1 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3 * config/rs6000/rs6000.md: Correct order of operands for DImode
6 * config/rs6000/rs6000.c (boolean_or_operator): New function.
7 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
8 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
9 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
10 boolean_operator for the boolean patterns without NOTs.
12 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
13 from reg_or_u_cint_operand. Change comment and behaviour.
14 (logical_operand): Clean up, add assertion.
15 (non_logical_cint_operand): Also check for
16 reg_or_logical_cint_operand.
17 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
18 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
24 2000-05-26 Mark Mitchell <mark@codesourcery.com>
26 * tree.h (struct record_layout_info): Rename to (struct
27 record_layout_info_s).
28 * stor-layout.c (start_record_layout): Replace
29 `record_layout_info' with `record_layout_info_s'.
31 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
33 * flow.c (find_label_refs): New function.
34 (find_basic_blocks_1): Call it for each alternative of a call
37 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
39 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
42 2000-05-25 Richard Henderson <rth@cygnus.com>
44 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
45 so strict about DImode.
46 (alpha_swapped_comparison_operator): Likewise.
47 * config/alpha/alpha.md (*setne_internal): Name it. Allow
48 any integer output mode.
49 (*setcc_internal): Likewise.
50 (*setcc_swapped_internal): Likewise.
51 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
52 (*mov[qhs]icc_internal): New.
53 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
55 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
57 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
59 2000-05-25 Richard Henderson <rth@cygnus.com>
61 * bb-reorder.c (reorder_block_def): Reorder elements for size.
62 Remove add_jump; add next; replace flags with visited.
64 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
65 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
66 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
67 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
69 (reorder_index, reorder_last_visited): Remove.
70 (skip_insns_after_block): Rewrite to use a switch.
71 (get_common_dest): Remove.
72 (chain_reorder_blocks): Remove.
73 (record_effective_endpoints): Split out from reorder_basic_blocks.
74 (make_reorder_chain): Likewise. Loop until all blocks are placed.
75 (make_reorder_chain_1): Renamed from old make_reorder_chain.
76 Only construct the reorder chain, do not move insns. Try harder
78 (label_for_bb, emit_jump_to_block_after): New.
79 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
80 and adjust the jump insns appropriately. Fixup basic_block_info.
81 (verify_insn_chain): Always define.
82 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
84 (make_new_scope): Don't write zeros to calloc'd space.
85 (build_scope_forest): Rely on xrealloc to DTRT.
86 (reorder_basic_blocks): Don't build loop nest. Don't fail if
87 profile_arc_flag. Streamline EH test.
89 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
90 * basic-block.h: Declare them.
92 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
94 * emit-rtl.c (reset_used_decls): New function.
95 (unshare_all_rtl_again): Call it.
97 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
99 * cpplex.c (maybe_macroexpand): Warn about function-like
100 macros used in non-function context, if -Wtraditional.
102 2000-05-25 Mark Mitchell <mark@codesourcery.com>
104 * recog.c (peephole2_optimize): Use INSN_P.
106 2000-05-25 Richard Henderson <rth@cygnus.com>
108 * ifcvt.c (seq_contains_jump): New.
109 (noce_try_store_flag_constants): Use it to fail conversion.
110 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
112 2000-05-25 Mark Mitchell <mark@codesourcery.com>
114 * except.h (can_throw): Declare it.
115 * except.c (can_throw): Give it external linkage.
116 * resource.c (find_dead_or_set_registers): Use can_throw.
118 2000-05-25 Richard Henderson <rth@cygnus.com>
120 * flow.c (mark_set_1): Don't record conditionally dead memory.
122 2000-05-25 Jan Hubicka <jh@suse.cz>
124 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
125 and pc_set at the place of simplejump_p and condjump_p.
126 * cse.c (record_jump_equiv): Likewise.
127 * emit-rtl.c (emit): Likewise.
128 * explow.c (find_next_ref): Likewise.
129 * flow.c (tidy_fallthru_edge): Likewise.
130 (init_propagate_block_info): Likewise.
131 * gcse.c (delete_null_pointer_checks): Likewise.
132 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
133 dead_or_predicable): Likewise.
134 * integrate.c (copy_insn_list): Likewise.
135 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
136 for_each_insn_in_loop, check_dbra_loop, get_condition,
137 insert_bct, load_mems): Likewise.
138 * resource.c (find_dead_or_set_registers): Likewise.
139 * sibcalls.c (simplejump_p): Likewise.
140 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
142 2000-05-25 David Edelsohn <edelsohn@gnu.org>
144 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
145 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
147 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
148 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
149 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
150 * rs6000.md: Name various internal patterns.
152 2000-05-25 Jan Hubicka <jh@suse.cz>
154 * jump.c (invert_exp_1): Remove first argument, use pc_set
155 to get the expression.
156 (redirect_exp): Make static; redirect only the pc_set expression,
157 remove first argument.
158 (invert_exp): Remove first argument, make static.
159 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
160 any_onlyjump at most places where we originaly did condjump_p
162 (jump_back_p, follow_jumps, thread_jumps): Likewise.
163 (delete_barrier_succesors): Use pc_set.
164 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
165 calls of invert_exp and redirect_exp.
166 * rtl.h (redirect_exp, invert_exp): Remove.
167 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
169 2000-05-25 Richard Henderson <rth@cygnus.com>
171 * stmt.c (expand_end_bindings): Fix thinko last change.
173 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
174 Andrew Haley <aph@cygnus.com>
176 * except.c (func_eh_entry): Add emitted field.
177 (new_eh_region_entry): Set emitted field to 0;
178 (output_exception_table_entry): Only emit previously un-emitted data,
179 and send it to the eh_data section.
180 (output_exception_table): Break out common parts. Output
181 exception table for entire compilation unit to eh_data section.
182 (output_exception_table_data): Common parts of output_exception_table.
183 Send output to eh_data section.
184 (output_function_exception_table): Output exception table data for
185 a single function to eh_data section.
186 (free_exception_table): New external to free the table.
187 * except.h (free_exception_table): Add prototype.
188 (output_function_exception_table): Add prototype.
189 * final.c (final_end_function): Output function exception table
190 for IA64_UNWIND_INFO.
191 (final_scan_insn): Emit any unwind directives for an insn.
193 * frame-dwarf2.c: New file containing all DWARF 2 specific code
195 * frame.c: Remove all DWARF 2 specific code.
196 * config/ia64/frame-ia64.c: New file.
197 (gthread_stuff): Make all gthread available with
199 (dwarf_fde): Define an IA64 struct for dwarf_fde.
200 (__register_frame_info, __register_frame): Move to common area of file.
201 (__register_frame_info_table, __register_frame_table): Move to common i
203 (__deregister_frame_info, __deregister_frame): Move to common area.
204 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
205 (read_uleb128): New version for ia64.
206 (get_unwind_record): Read the next IA-64 unwind record.
207 (read_R_record): Read a region header record.
208 (process_a_b_reg_code): X record helper.
209 (read_X_record): Read an X format record.
210 (read_B_record): Read a B format record.
211 (P3_record_types): List of record types matching the P3 format.
212 (P7_record_types): List of record types matching the P7 format.
213 (P8_record_types): List of record types matching the P8 format.
214 (read_P_record): Read a P format record.
215 (init_ia64_reg_loc): Set default fields for a register.
216 (init_ia64_unwind_frame): Set defaults for all register records.
217 (execute_one_ia64_descriptor): Execute one descriptor record.
218 (rse_address_add): Calculate the position of a local reg in memory.
219 (normalize_reg_loc): Turn a location descriptor into a memory address.
220 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
221 within a specified PC offset range.
222 (get_real_reg_value): Given a register location, retrieve its value.
223 (set_real_reg_value): Change the value of a register location.
224 (copy_reg_value): Copy reg values, if needed.
225 (copy_saved_reg_state): Copy all registers that need to be copied.
226 (process_state_between): Normalize all frame register records that
227 fall within the specified PC range.
228 (frame_translate): Take a processed frame description, and turn
229 everything into addresses.
230 (build_ia64_frame_state ): Find and create frame state record for a PC.
231 (get_personality): Get the personality routine for a given frame.
232 (get_except_table): Get the exception table for a given frame.
233 (record_name): Unwind record names for debugging.
234 (print_record): Print and unwind record.
235 (print_all_records): Print an entire unwind image.
236 (__ia64_backtrace): Print a backtrace.
237 (ia64_backtrace_helper): New function.
238 (__register_frame_info_aux): New function.
239 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
241 * frame.h (enum unw_record_type): New unwind record types.
242 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
243 (struct unw_r_record, unwind_record): New unwind record structs.
244 (struct unwind_info_ptr): Unwind information layout.
245 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
247 (struct ia64_reg_loc): Register location description.
248 (struct ia64_frame_state): Location of all registers in a frame.
249 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
250 * libgcc2.c (__ia64_personality_v1): Personality routine.
251 (__calc_caller_bsp): Calculate the bsp register for the caller's
253 (ia64_throw_helper): Figure out who to return to and set up the
255 (__throw): Throw routine.
257 * output.h (assemble_eh_align, assemble_eh_label): New functions
258 to generate EH info where we want it.
259 (assemble_eh_integer): New function.
260 * toplev.c (compile_file): Output module level exception table for
262 (main): Set exceptions_via_longjump and flag_new_exceptions based
263 on IA64_UNWIND_INFO too.
265 * varasm.c (assemble_eh_label): Generate a label via
266 ASM_OUTPUT_EH_LABEL if it has been specified.
267 (assemble_eh_align): Generate an alignment directive via
268 ASM_OUTPUT_EH_ALIGN if it has been specified.
269 (assemble_eh_label): Generate an integer value via
270 ASM_OUTPUT_EH_type if they have been specified.
271 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
272 (ia64_init_builtins): Add __builtin_ia64_bsp
273 and __builtin_ia64_flushrs.
274 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
275 IA64_BUILTIN_FLUSHRS.
276 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
277 IA64_BUILTIN_FLUSHRS.
279 * config/ia64/ia64.md (flushrs): New insn to flush the register
280 stack. Add to unspec list.
282 * config/ia64/crtbegin.asm (frame_object): Change size.
283 (__do_frame_setup_aux): New function.
284 * config/ia64/crtend.asm: call __do_frame_setup_aux.
285 * config/ia64/t-ia64 (LIB2ADDEH): Add.
286 * Makefile.in (LIB2ADDEH): Add.
287 (LIB2ADD): Use LIB2ADDEH.
289 2000-05-24 Richard Henderson <rth@cygnus.com>
291 * recog.c (offsettable_address_p): If mode size is zero, assume
294 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
296 * configure.in: Check for -Wno-long-long option support and improve
297 handling of warning CFLAGS for stages 1 and 2.
298 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
299 * configure: Regenerate.
301 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
303 * gcc.texi: Remove contributor list. Instead include contrib.texi.
304 * contrib.texi: New file.
306 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
308 * loop.c (basic_induction_var): Avoid double recording of an increment.
310 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
312 * Back out this patch:
313 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
314 * loop.h (struct induction): Add multi_insn_incr.
315 * loop.c (basic_induction_var): New multi_insn_incr argument.
316 Set it if we search back through previous insns for the biv.
317 (record_biv): New multi_insn_incr argument; fill in struct induction.
318 (strength_reduce): Discard an iv with multiple bivs, any of
319 which require multiple insns to increment.
321 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
323 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
325 * rtl.h (loc_mentioned_in_p): Declare.
326 * reload.c (loc_mentioned_in_p): Moved from here...
327 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
328 Fix loop increment for 'E' handling.
329 * loop.c (strength_reduce): When doing biv->giv conversion,
330 take multi-insn biv increments into account.
332 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
334 * stmt.c (expand_end_bindings): Look through NOTEs to find a
337 2000-05-24 Mark Mitchell <mark@codesourcery.com>
339 * calls.c (expand_call): Handle cleanups in tail-recursion
340 arguments analagously to cleanups in sibling calls.
342 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
344 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
347 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
349 * expr.c (expand_assignment, store_expr, expand_expr,
350 expand_expr_unaligned): Set in_check_memory_usage while emitting
351 chkr_check_addr libcall.
353 2000-05-24 Nick Clifton <nickc@cygnus.com>
355 * fold-const.c (extract_muldiv): When constructing a
356 multiplier/divisor, do not expect const_binop to correctly
357 determine if overflow has occured, so check explicitly.
359 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
361 * c-decl.c (build_enumerator): Don't modify the value's type,
364 2000-05-24 Andreas Jaeger <aj@suse.de>
366 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
368 2000-05-24 Eric Christopher <echristo@cygnus.com>
370 * configure.in: Redefine inhibit_libc conditions.
371 * libgcc2.c: Remove inhibit_libc conditional define.
372 * configure: Regenerate.
374 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
376 * configure.in: For --enable-languages=LIST, check for empty LIST.
377 * configure: Regenerate.
379 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
381 * pdp11.h (STACK_BOUNDARY): Define.
383 2000-05-24 Jakub Jelinek <jakub@redhat.com>
385 * ifcvt.c (if_convert): Update life info globally.
387 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
389 * emit-rtl.c (unshare_all_decls): New function.
390 (unshare_all_rtl): Call it.
392 2000-05-23 Nick Clifton <nickc@cygnus.com>
394 * configure.in: Treat 'strongarm' as if it were 'arm' when
395 determining cpu type.
397 * configure: Regenerate.
399 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
400 where constant strings are involved.
402 * config/arm/arm.h (arm_condition_codes): Change type to 'const
405 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
406 cases where constant strings are involved.
408 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
410 * config/sh/sh.c (gen_far_branch, split_branches): Update
411 to reflect new prototypes for redirect_jump and invert_jump.
412 (sh_insn_length_adjustment): Get rid of const warnings.
414 2000-05-23 Kazu Hirata <kazu@hxi.com>
416 * invoke.texi (Options for Debugging Your Program or GCC): Update
417 the names of dump files.
419 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
421 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
422 * configure: Regenerated.
424 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
426 * simplify-rtx.c (SIGN_EXTEND): New macro.
427 (simplify_unary_operation, simplify_binary_operation,
428 simplify_relational_operation): Use SIGN_EXTEND. Make low
429 halves of (low, high) pairs unsigned if they weren't already.
430 (simplify_ternary_operation): Cast INTVAL to unsigned before
431 comparing to a MODE_BITSIZE.
433 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
436 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
438 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
439 gcc_AC_NEED_DECLARATIONS.
441 * dwarfout.c: Don't prototype time().
443 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
445 * system.h: Likewise.
447 * toplev.c: Likewise.
449 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
451 * c-decl.c (pushdecl): Invert sense of test for non-global types.
453 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
455 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
457 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
459 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
461 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
463 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
464 (alpha_start_function): Never write ..ng label if VMS or NT.
465 (alpha_align_insns): Remove GP_IN_USE arg.
466 Alignment now unsigned.
467 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
468 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
469 and two define_insn's.
471 2000-05-22 Richard Henderson <rth@cygnus.com>
473 * combine.c (simplify_comparison): Use trunc_int_for_mode.
475 2000-05-22 Richard Henderson <rth@cygnus.com>
477 * stor-layout.c (place_field): Change rli->size to rli->offset.
479 2000-05-22 Richard Henderson <rth@cygnus.com>
481 * function.c (thread_prologue_and_epilogue_insns): Make sure
482 existing line number notes appear after the prologue.
484 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
486 * config/alpha/alpha.c (alpha_fnname): New static variable.
487 (print_operand, case '~'): New case.
488 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
489 (alpha_start_function): Set alpha_fnname.
490 Write "ng" label if no ldgp; don't write ldgp insn.
491 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
492 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
494 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
496 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
499 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
501 * varasm.c (eh_frame_section): Revert change to argument list.
503 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
505 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
506 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
508 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
509 dangling "else" that causes "break" to be conditional.
510 Also remove unneeded code at start.
512 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
514 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
515 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
516 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
518 2000-05-22 Jakub Jelinek <jakub@redhat.com>
520 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
523 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
525 * alias.c (record_component_aliases): New function.
526 * tree.h: Clean up some declarations and comments.
527 (record_component_aliases): New declaration.
528 * tree.c (get_alias_set): If type and has alias set, use it.
530 2000-05-22 Richard Henderson <rth@cygnus.com>
532 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
533 IF_THEN_ELSE to a setcc form.
534 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
536 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
538 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
539 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
541 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
543 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
546 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
548 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
549 * config/mn10300/mn10300.c (print_operand): Likewise.
551 * final.c (split_double): Right shift of negative values is not
554 * ifcvt.c (if_convert): Scan and kill dead code.
556 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
558 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
560 * diagnostic.c: Eliminate implicit int.
561 * except.c, gcc.c: Add static prototypes.
562 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
563 * gensupport.c (process_rtx): Use XVEC to initialize vector
566 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
567 debug_reg_names instead of static reg_names. If not, define
569 * regclass.c: Don't define global reg_names unless
570 DEBUG_REGISTER_NAMES is defined.
572 * reload1.c (order_regs_for_reload): Remove unused variable.
573 * varasm.c: Include output.h after defaults.h. Define
574 eh_frame_section as function of no args, not of unspecified args.
576 * gcc.c: Constify argbuf; arguments to store_arg,
577 process_command, main; elements of struct command and struct
578 switchstr; local variables in execute, process_command, main.
580 2000-05-20 Bruce Korb <bkorb@gnu.org>
582 * fixinc/inclhack.def: many applications of c_fix=format + tests
583 * fixinc/check.diff: regenerated
584 * fixinc/fixincl.x: regenerated
586 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
588 * alias.c: Clarify some comments.
589 (record_base_value): REGNO is unsigned.
590 * rtl.h (record_base_value): Likewise.
592 * alias.c (aliases_everything_p): Don't special-case QImode here.
593 * c-common.c (c_get_alias_set): Do it here.
594 Handle BIT_FIELD_REF by getting alias info for arg.
597 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
599 * mklibgcc.in: Restore rule to create ${dir}.
601 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
603 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
604 GCC_FOR_TARGET used by MULTILIBS.
605 * mklibgcc.in: Make sure each .o file depends on the
606 directory it will be in.
607 Make the multilib directory depends libgcc.
609 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
611 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
613 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
615 * fold-const.c (make_range): Handle degenerated intervals.
616 Fixes c-torture/execute/991221-1.c
618 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
620 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
621 * reload.c (find_equiv_reg): Likewise.
622 * alias.c (init_alias_analysis): Likewise.
623 Only call prologue_epilogue_contains on insns.
624 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
625 * bb-reorder.c (hard-reg-set.h): Include earlier.
626 * haifa-sched.c (hard-reg-set.h): Likewise.
627 * ifcvt.c (hard-reg-set.h): Likewise.
628 * local-alloc.c (hard-reg-set.h): Likewise.
629 * loop.c (hard-reg-set.h): Likewise.
630 * predict.c (hard-reg-set.h): Likewise.
631 * regrename.c (hard-reg-set.h): Likewise.
632 * flow.c (hard-reg-set.h): Likewise.
633 (reg_set_to_hard_reg_set): New function.
634 * bitmap.c (regs.h, basic-block.h): No longer include.
635 (bitmap.h): Now include.
636 * conflict.c (hard-reg-set.h): Include.
637 * profile.c (hard-reg-set.h): Likewise.
638 * print-rtl.c (hard-reg-set.h): Likewise.
639 * sbitmap.c (hard-reg-set.h): Likewise.
640 * toplev.c (hard-reg-set.h): Likewise.
641 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
642 * hard-reg-set.h (reg_names): Now constant.
643 * regs.h (reg_names): Likewise.
644 * regclass.c (reg_names): Likewise.
645 * loop.h (basic-block.h): No longer include.
646 (bitmap.h): Now include.
647 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
648 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
649 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
651 2000-05-19 Jan Hubicka <jh@suse.cz>
652 Richard Henderson <rth@cygnus.com>
654 * basic-block.h (struct edge_def): New field "count".
655 (struct basic_block_def): Likewise.
656 * flow.c (entry_exit_blocks): Add count fileds.
657 (split_edge): Keep count information up-to-date.
658 (dump_edge_info, dump_flow_info): Dump count fields.
660 * final.c (count_instrumented_edges): Rename to edge from arc.
661 (end_final): Update users.
662 * profile.c: Include expr.h, basic-block.h.
663 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
664 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
665 (ignore_next_note, return_label_execution_count): Kill.
666 (bbg_file_name, da_file_name): Kill.
667 (edge_info, bb_info): New structures.
668 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
669 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
670 (total_num_edges_instrumented): Likewise.
671 (init_arc, expand_spanning_tree): Kill.
672 (fill_spanning_tree, tablejump_entry_p): Kill.
673 (instrument_edges): Rewrite from instrument_arcs to use
674 commit_edge_insertions infrastructure.
675 (compute_branch_probabilities): Remove arguments; rewrite for
676 CFG infrastructure; use rtl_dump_file directly.
677 (branch_prob, find_spanning_tree): Likewise.
678 (union_groups, find_group): New.
679 (init_branch_prob): Make bbg_file_name and da_file_name local.
680 (end_branch_prob): Use rtl_dump_file directly.
681 (init_edge_profiler): Rename to edge from arc.
682 (output_arc_profiler): Kill.
683 (gen_edge_profiler): New.
684 (output_func_start_profiler): Turn off profiling. Make the
685 constructor static when we can.
686 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
688 * toplev.c (DFI_flow): Remove.
689 (DFI_cfg, DFI_life): New.
690 (dump_file): Update accordingly.
691 (compile_file): Call end_branch_prob if profile_arc_flag too.
692 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
693 profiling after the CFG is built. Move flow1 life analysis to
694 DFI_life. Always estimate remaining probabilities.
696 2000-05-19 Richard Henderson <rth@cygnus.com>
698 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
700 * flow.c (make_edges): The sibling call edge to exit is abnormal.
702 2000-05-19 Richard Henderson <rth@cygnus.com>
704 * jump.c (redirect_jump): Add delete_unused argument. Don't
705 remove labels and code following when LABEL_NUSES goes to zero.
706 (invert_jump): Likewise.
707 (jump_optimize_1): Fix redirect/invert arguments.
708 (do_cross_jump, thread_jumps): Likewise.
709 * flow.c (split_edge): Likewise.
710 * reorg.c (optimize_skip): Likewise.
711 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
712 * profile.c (instrument_arcs): Likewise.
713 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
714 * rtl.h: Update prototypes.
716 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
718 * ssa.c (convert_from_ssa): Tell life_analysis we need death
720 (make_regs_equivalent_over_bad_edges): Only look at abnormal
723 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
725 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
726 past l1 when deleting whitespace and markers.
728 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
729 * cpplib.c (do_unassert): Put the list to compare against on
732 2000-05-19 Bruce Korb <bkorb@gnu.org>
734 * fixinc/README: cleaned up old documentation
735 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
736 * fixinc/check.tpl: compute the list of needed directories
737 emit "#if defined(name)" because of conflict
738 omit machine name differences from output differences
739 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
740 (machine_name): change test text to use `sed' markers
741 * fixinc/fixincl.x: regen
743 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
745 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
748 2000-05-18 Chris Demetriou <cgd@sibyte.com>
750 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
751 it to match the current practice.
753 2000-05-18 Mark Mitchell <mark@codesourcery.com>
755 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
757 2000-05-18 Richard Henderson <rth@cygnus.com>
759 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
760 * rtl.h (insn_dependant_p): Declare it.
761 * loop.c (strength_reduce): Use it.
763 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
765 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
766 16-bit and 64-bit clean-up.
768 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
770 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
771 * configure: Rebuilt.
773 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
775 * genopinit.c: Use $ for escape sequences in optab patterns.
776 Remove backslashes from optab patterns. Change $A, $B, $C to
777 expand to (int) whatever instead of just whatever; remove
778 explicit (int) from all optab patterns.
780 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
781 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
782 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
783 genrecog.c: Remove private copies of xmalloc, xrealloc, and
786 2000-05-18 Richard Henderson <rth@cygnus.com>
788 * jump.c (jump_optimize_1): Base minimum insn count during
789 find_cross_jump on BRANCH_COST.
791 2000-05-18 Jakub Jelinek <jakub@redhat.com>
793 * print-rtl.c (print_rtx): Only print note line number as string
794 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
795 * final.c (final_scan_insn): Do nothing for note line number 0.
797 2000-05-18 Jakub Jelinek <jakub@redhat.com>
799 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
800 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
801 NOTE_INSN_DELETED_LABEL.
803 2000-05-18 Nick Clifton <nickc@cygnus.com>
805 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
806 uninitialised data in .rodata not .bss, and do not interpret an
807 error in the initialisation value as meaning that the variable
808 should be placed in the .bss section.
810 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
812 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
813 not `$ac_cv_prog_cc_cc_c_o'.
814 * configure: Regenerated.
816 2000-05-18 Chris Demetriou <cgd@sibyte.com>
817 Richard Henderson <rth@cygnus.com>
819 * c-common.h (enum c_tree_index): Add g77 type entries.
820 (g77_integer_type_node, g77_uinteger_type_node): New.
821 (g77_longint_type_node, g77_ulongint_type_node): New.
822 * c-decl.c (init_decl_processing): Initialize them.
824 2000-05-18 Richard Henderson <rth@cygnus.com>
826 * config/h8300/h8300.md (subs patterns): Use %G to negate.
828 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
829 (small_power_of_two): Likewise; use exact_log2.
830 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
831 (output_adds_subs): Remove.
832 (two_insn_adds_subs_operand): New.
833 (split_adds_subs): New.
834 * config/h8300/h8300-protos.h: Update.
835 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
836 (CONST_OK_FOR_L): Match strict adds operands.
837 (CONST_OK_FOR_N): Match struct subs operands.
838 * config/h8300/h8300.md (adds_subs insns): Remove.
839 (addhi patterns): Output adds/subs directly.
840 (addsi_h8300h): Likewise.
841 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
843 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
845 * cppexp.c (parse_assertion): New.
846 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
847 (_cpp_parse_expr): Remove case '#'. Don't set
848 parsing_if_directive.
849 * cpphash.c (collect_objlike_expansion,
850 collect_funlike_expansion, collect_params,
851 _cpp_create_definition): The list no longer has a trailing
853 * cpphash.h (enum node_type): Add T_ASSERTION.
854 (struct hashnode): Remove aschain, add pred.
855 (struct predicate): New.
858 * cpplex.c (expand_token_space): Handle both offset and
860 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
861 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
862 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
863 _cpp_equiv_toklists): New.
864 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
865 stop at any single-character token, not just newline.
866 (_cpp_lex_token): Remove special cases for #define and #if.
867 (cpp_get_token): Expect # as a separate token type. Remove
869 (_cpp_get_directive_token): Remove DIRECTIVE case.
870 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
872 * cpplib.c (_cpp_check_directive): Set dirno and
873 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
874 (_cpp_handle_directive): Run # <number> through the same logic
875 as normal directives.
876 (do_define): Don't set parsing_define_directive. Use
877 _cpp_scan_until. The list does not have a VSPACE at the end.
878 (do_if): Save, clear, and restore only_seen_white around
880 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
881 (do_assert, do_unassert): Rewrite.
883 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
884 (LIST_OFFSET): New flag.
885 (struct cpp_toklist): Replace dir_handler and dir_flags with
887 (struct cpp_reader): Remove parsing_if_directive and
888 parsing_define_directive.
890 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
893 following the cabs decl which terminate on the following line.
894 Add the corresponding test_text case.
896 2000-05-18 Neil Booth <NeilB@earthling.net>
898 * cppinit.c (cpp_reader_init): Initialise col_adjust and
899 default tab stop size.
900 (no_num, OPT_ftabstop): New.
901 (handle_option): Handle "ftabstop=" command-line option.
902 (print_help): Document it.
903 * cpplex.c (COLUMN): Remove.
904 (handle_newline): Reset col_adjust.
905 (skip_whitespace): Update col_adjust as tabs encountered.
906 (_cpp_lex_line): Update to use col_adjust. Call
907 skip_whitespace for all whitespace.
908 * cpplib.h (struct cpp_options): New member tabstop.
909 (struct cpp_reader): New member col_adjust.
910 (CPP_BUF_COL): Update.
911 (CPP_BUF_COLUMN): New.
912 * cpp.texi: Document "-ftabstop=" command line option.
914 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
916 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
918 * configure: Rebuilt.
920 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
922 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
924 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
925 HOST_BITS_PER_WIDE_INT is >= 64.
927 2000-05-17 Richard Henderson <rth@cygnus.com>
929 * jump.c (jump_optimize_1): Remove inactive but real insns
930 in jump-to-next-insn optimization.
932 2000-05-17 Richard Henderson <rth@cygnus.com>
934 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
935 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
936 Don't call recompute_reg_usage if no_new_pseudos is true.
937 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
938 Return true if we did work; update global life information.
939 * basic-block.h (optimize_mode_switching): Update decl.
941 2000-05-17 Neil Booth <neilb@earthling.net>
943 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
945 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
947 * cpplib.c: New feature, #pragma system_header.
948 * cpp.texi: Document special treatment of system headers, and
949 the various mechanisms to get a header that special treatment.
951 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
953 * system.h (offsetof): Define at the very end, to ensure we prefer
954 the platform's definition if available.
956 2000-05-16 Bruce Korb <bkorb@gnu.org>
958 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
959 * fixinc/server.c: likewise
960 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
961 + #ifdef debugging code + use #def constant for
963 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
964 on C++ math namespace
966 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
968 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
969 Don't check the return value of sprintf. Use asprintf to avoid
972 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
974 * flags.h (warn_unused_function, warn_unused_label,
975 warn_unused_parameter, warn_unused_variable, warn_unused_value):
976 Replace ``warn_unused''.
977 (set_Wunused): Add declaration.
978 * toplev.c (set_Wunused): New function.
979 (warn_unused_function, warn_unused_label, warn_unused_parameter,
980 warn_unused_variable, warn_unused_value): New variables.
981 (W_options): Add -Wunused-function, -Wunused-function,
982 -Wunused-label, -Wunused-parameter, -Wunused-variable and
983 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
985 * toplev.c (decode_W_option): Update -Wunused flags by calling
987 * c-decl.c (c_decode_option): Ditto for -Wall.
989 * stmt.c (expand_expr_stmt, expand_expr_stmt,
990 warn_about_unused_variables): Replace warn_unused with more
991 explicit warn_unused_value et.al.
992 * function.c (expand_function_end): Ditto.
993 * c-typeck.c (internal_build_compound_expr,
994 internal_build_compound_expr): Ditto.
995 * c-decl.c (poplevel, pop_label_level): Ditto.
996 * toplev.c (check_global_declarations): Replace warn_unused with
997 check for either warn_unused_function or warn_unused_variable.
999 * gcc.1, invoke.texi (Warning Options): Document
1000 -Wunused-function, -Wunused-function, -Wunused-label,
1001 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1003 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1005 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1006 $(srcdir), not in the current directory.
1008 2000-05-16 Richard Henderson <rth@cygnus.com>
1010 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1011 assembler supports it.
1012 (.fini, .init): Use a gp-relative indirect call.
1013 (__do_global_dtors_aux): Preserve the gp; rebundle.
1014 (__do_frame_setup): Likewise.
1015 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1016 (.init): Use a gp-relative indirect call.
1017 (__do_global_ctors_aux): Preserve the gp.
1019 2000-05-16 Richard Henderson <rth@cygnus.com>
1021 * flow.c (commit_one_edge_insertion): Be prepared for a return
1022 insn to be inserted on the edge with a normal jump.
1023 * jump.c (jump_optimize_1): Don't look to create return isns.
1025 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1026 * jump.c (jump_optimize_1): Likewise.
1027 (returnjump_p): Verify the argument is a JUMP_INSN.
1028 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1030 2000-05-16 Nick Clifton <nickc@cygnus.com>
1032 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1033 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1034 (large_insn_p): Ditto.
1035 (m32r_is_insn): New function: Return true if the insn contains
1036 an executable instruction.
1037 (m32r_adjust_insn): Use m32r_is_insn.
1038 (m32r_sched_reorder): Use m32r_is_insn.
1039 (m32r_sched_variable_issue): Use m32r_is_insn.
1041 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1043 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1046 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1048 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1049 according to given options.
1051 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1053 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1054 if X has VOIDmode either.
1055 (LIMIT_RELOAD_CLASS): Similarly.
1057 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1058 not "general_operand" to match the processor's capabilities.
1060 2000-05-16 Bruce Korb <bkorb@gnu.org>
1062 * fixinc/README: corrected return address
1063 * fixinc/check.diff: regenerate, now that test works
1064 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1065 (char_macro_def_fix,char_macro_use_fix): corrected and
1066 rewrote to use regex to parse the text
1067 * fixinc/inclhack.def: more testing
1068 * fixinc/fixincl.x: regenerated
1070 * fixinc/inclhack.def: added several "test_text" attributes
1071 changed several fixes to use `c_fix = format'
1072 re-alphabetized the fixes
1074 * fixinc/check.diff: regenerate
1075 * fixinc/fixincl.x: regenerate
1076 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1080 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1082 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1084 2000-05-15 Richard Henderson <rth@cygnus.com>
1086 * toplev.c (rest_of_compilation): Run full jump pass before
1087 find_basic_blocks of flow2.
1089 2000-05-15 Richard Henderson <rth@cygnus.com>
1091 * jump.c: Fix typos and clarify commentary from last change.
1092 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1093 (safe_to_remove_jump_p): Remove.
1094 (condjump_label): Use pc_set.
1096 2000-05-15 Richard Henderson <rth@cygnus.com>
1098 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1099 that get in the way after reload.
1100 (cond_exec_process_if_block): Skip a label heading THEN block.
1102 2000-05-15 Richard Henderson <rth@cygnus.com>
1104 * varasm.c (output_constant_pool): Abort instead of converting
1105 (improperly) deleted labels to zero.
1107 2000-05-16 Neil Booth <NeilB@earthling.net>
1109 * cpplex.c (parse_string2): Update comment.
1110 (cpp_lex_line): No special assertion treatment for '('.
1111 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1112 * cpplib.h (SYNTAX_ASSERT): Remove.
1114 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1116 * jump.c (condjump_p): Mark as depreached.
1117 (any_condump_p): New.
1118 (any_uncondump_p): New.
1120 (safe_to_remove_jump_p): New.
1121 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1122 safe_to_remove_jump_p): Declare.
1124 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1126 * calls.c: Re-install both patches reverted by last patch.
1127 (struct arg_data): New field tail_call_reg.
1128 (initialize_argument_information): Initialize tail_call_reg
1129 (load_register_parameters): New argument flags, use
1130 tail_call_reg when emiting tail call sequence.
1131 (expand_call): Update call of load_register_parameters;
1132 copy unadjusted_args_size to adjusted_args_size.
1134 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1136 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1137 and bct_p parameters to flags.
1138 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1139 * rtl.h (loop_optimize): Update prototype.
1140 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1142 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1144 * calls.c (expand_call): Move expand_start_target_temps call after
1147 2000-05-15 Neil Booth <NeilB@earthling.net>
1149 * cpphash.c (trad_stringify, warn_trad_stringify,
1150 collect_params): Make some pointers pointers to const.
1151 * cpplex.c (auto_expand_name_space) Guaranteed to always
1152 expand by at least one character.
1153 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1154 (struct token_spelling): Use const U_CHAR * rather than PTR.
1155 (expand_name_space): Fix up token pointers if name space
1156 is moved when expanding.
1157 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1158 parse_string2, save_comment, spell_token, cpp_output_list):
1159 Update so the routines handle tokens with a direct pointer to
1160 their text, rather than an offset into the token's list's namebuf.
1161 (_cpp_lex_line): Rearrange for clarity.
1163 * cpplib.c (_cpp_check_directive): Similarly.
1164 (do_define): Make SYM a pointer to const.
1165 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1166 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1167 (TOK_OFFSET): Delete.
1170 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1172 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1175 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1177 (logical_u_operand): Delete.
1178 (non_logical_cint_operand): Rewrite to take MODE into account.
1179 (non_logical_u_cint_operand): Delete.
1180 (boolean_operator): New function.
1181 (print_operand): Add new %q operand.
1182 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1183 remove logical_u_operand and non_logical_u_cint_operand,
1184 update logical_operand and non_logical_cint_operand.
1185 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1186 logical operations to use %q.
1188 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1189 (movdi): Make similar to movsi.
1190 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1191 is no such thing as a DImode CONST_DOUBLE.
1192 * config/rs6000/rs6000.c (output_toc): Likewise.
1194 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1195 codes when old mnemonics are in use. Print register names
1196 for cc registers when requested.
1198 * optabs.c (expand_float): Don't allow mode widening that causes
1201 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1202 flags to their current names -maix64 and -maix32.
1204 2000-05-14 Bruce Korb <bkorb@gnu.org>
1206 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1207 and/or after current text of file
1208 * fixinc/fixlib.c(must_malloc):
1209 * fixinc/fixlib.h(must_malloc): + reformatting
1210 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1211 with usages of ``c_fix = wrap;''
1212 Add several tests and use the ``c_fix = format'' fixer more.
1213 * fixinc/fixincl.x: regen
1214 * fixinc/check.diff: regen
1215 * fixinc/check.tpl: emit the associated header with the missing
1218 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1220 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1221 variables $src and $dst.
1223 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1225 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1226 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1227 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1228 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1230 (set_message_prefixing_rule): Declare.
1232 * diagnostic.c: (current_prefixing_rule): New variable.
1233 (set_message_prefixing_rule): Define.
1234 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1235 (init_output_buffer): Adjust Initialization.
1236 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1238 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1240 * ifcvt.c (if_convert): Do not free NULL.
1242 2000-05-12 Nick Clifton <nickc@cygnus.com>
1244 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1245 to move a double word value.
1246 (di_operand): New function: Return true if the operand is suitbale
1247 for a double word move operation.
1248 (nonimmediate_di_operand): New function: Return true if the
1249 operand is a DImode register or MEM.
1251 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1252 nonimmediate_di_operand.
1254 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1255 nonimmediate_di_operand.
1257 * config/fr30/fr30.md (movdi): New pattern. Required because
1258 other patterns generate DImode results.
1259 (movdi_insn): New pattern.
1261 2000-05-12 Richard Henderson <rth@cygnus.com>
1263 * config/alpha/alpha.c (struct shadow_summary): Define
1264 bitfields as type unsigned int.
1266 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1268 * config/avr/t-avr: Added definition of FLOAT while generates
1271 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1272 peepholes for tst+jump = sbrs/sbrc optimization.
1274 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1276 * expr.c (emit_push_insn): Do not adjust stack pointer when
1279 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1281 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1282 * system.h (offsetof): ... to here.
1284 2000-05-12 Richard Henderson <rth@cygnus.com>
1286 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1287 * final.c (final_end_function): Use app_disable. Rearrange note
1288 handling into a switch. Emit deleted labels.
1289 (output_asm_label): Generate label strings for deleted labels.
1290 * flow.c (tail_recursion_label_list): New.
1291 (find_basic_blocks_1): Set label_value_list directly. Collect list
1292 of tail recursion labels from call_placeholders. Don't add deleted
1293 labels to the label value list.
1294 (cleanup_cfg): Use free_EXPR_LIST_list.
1295 (flow_delete_insn_chain): Turn non-removable labels into notes.
1296 (flow_delete_block): Don't disable deleting the block because of
1297 a non-removable label.
1298 (tail_recursion_label_p): New.
1299 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1301 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1303 (merge_blocks): Disable a merge because of tail recursion labels.
1304 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1305 Use a more accurate measure of not merging the join block.
1306 (find_if_block): Don't disable conversion because of a label.
1307 (find_if_case_1, find_if_case_2): Likewise.
1308 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1309 element when copying.
1310 (squeeze_notes): Also leave EH notes.
1311 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1313 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1315 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1316 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1317 referring to a deleted label. Convert tail handling to a switch.
1318 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1319 for NOTE_INSN_DELETED_LABEL.
1320 (NOTE): Fix commentary.
1321 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1322 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1323 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1324 (LABEL_NUSES, LABEL_REFS): Likewise.
1325 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1327 2000-05-12 Bruce Korb <bkorb@gnu.org>
1329 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1330 * fixinc/check.diff: updated
1331 * fixinc/inclhack.def: corrected & added some test_text-s
1332 * fixinc/genfixes: removed unneeded options to autogen invocation
1333 * fixinc/fixincl.tpl: Specified the output file
1334 * fixinc/fixfixes.c: visual appearance
1335 * fixinc/fixincl.x: regenerate
1337 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1339 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1340 CTRL_defn_fix): Delete.
1341 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1342 char_macro_def_fix and char_macro_use_fix, respectively. Put
1343 them into the FIXUP_TABLE. Get the string to search for from
1346 (format_write): New function.
1347 (format_fix): Use it.
1349 (FIX_PROC_HEAD): Constify text parameter.
1350 (machine_name_fix): Constify all char *s.
1351 * fixtests.c (skip_quote): Remove double static.
1353 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1354 ctrl_use_quotes): Update for new scheme.
1355 * fixincl.x: Regenerate.
1357 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1359 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1361 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1362 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1364 2000-05-11 Robert Lipe <robertlipe@usa.net>
1366 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1367 * fixincl.x: Regenerate.
1369 2000-05-11 Richard Henderson <rth@cygnus.com>
1371 * calls.c: Revert both 05-09 patches.
1373 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1375 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1377 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1380 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1381 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1383 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1385 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1387 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1389 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1391 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1393 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1394 * config/avr/avr.c (jump_over_one_insn_p): New function.
1395 * config/avr/avr.md: New peepholes added. Output test and
1396 conditional jump to "sbrc" or "sbrs" command.
1398 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1400 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1402 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1404 * except.c (find_exception_handler_labels_1): New function.
1405 (find_exception_handler_labels): Split into two functions, dive
1406 into CALL_PLACEHOLDERs when looking for exception handler labels.
1408 2000-05-11 Stan Cox <scox@cygnus.com>
1410 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1411 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1412 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1414 2000-05-11 Bruce Korb <bkorb@gnu.org>
1416 * fixinc/fixfixes.c (double_slash_fix): obsolete
1417 (else_endif_label_fix): obsolete
1418 (format_fix): new, unused as yet
1420 * fixinc/fixlib.h: added fix description struct for use by format_fix
1421 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1422 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1423 modules. Removed the vestiges of the script version.
1424 Added support for "make check".
1425 * fixinc/check.diff: base diff file (needs work!!)
1426 * fixinc/check.tpl: quiet the fixup output
1427 * fixinc/fixtests.c (main): obsolete
1428 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1429 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1431 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1433 * toplev.c (rest_of_compilation): Remove dead code after
1436 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1438 * cpphash.c (collect_funlike_expansion): Make "# is not
1439 followed by a macro argument name" a pedwarn, not an error.
1440 Preserve the # in the output. Suppress the warning if lang_asm.
1442 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1444 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1445 * configure: Rebuilt.
1447 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1449 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1451 2000-05-10 Kazu Hirata <kazu@hxi.com>
1453 * combine.c (try_combine): Fix a typo.
1455 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1457 * config/ia64/ia64.md (insv): Add comment.
1459 2000-05-10 Richard Henderson <rth@cygnus.com>
1461 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1462 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1463 dependancies on FPBIT and DPBIT.
1465 2000-05-10 Nick Clifton <nickc@redhat.com>
1467 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1468 when optimising for size.
1469 (mark_used_regs:) Ditto.
1470 (try_pre_increment_1): Ditto.
1472 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1474 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1475 Make error message friendlier.
1477 * cpphash.h (struct hashnode): Use struct hack for name
1479 * cpphash.c (struct hashdummy): New.
1480 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1481 (make_HASHNODE): No need to set ->name pointer. Correct
1483 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1485 2000-05-10 Richard Henderson <rth@cygnus.com>
1487 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1490 2000-05-10 Bruce Korb <bkorb@gnu.org>
1492 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1494 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1496 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1497 after we enter .debug.
1499 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1501 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1502 abstract instance of a nested inline function.
1504 * stor-layout.c (finish_record_layout): finalize_type_size
1505 before laying out the pending_statics.
1507 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1509 * cpplex.c (spell_token): New function.
1510 (spell_string, spell_comment, spell_name): fold into
1513 (E, H): Remove macros.
1514 (save_comment): Save comment opening characters too.
1515 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1517 * cpplib.h (I, S): Add macros.
1518 (E, H): Remove macros.
1519 (TTYPE_TABLE): Update entries for new speller.
1520 (SYNTAX_ASSERT): Remove.
1522 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1524 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1525 when removing escaped newlines. Reverse sense of test for
1528 2000-05-09 Richard Henderson <rth@cygnus.com>
1530 * flow.c (find_basic_blocks_1): Do not delete the first
1531 bb_note we run across.
1532 (create_basic_block): Use reorder_insns to move an existing
1533 bb_note to the correct place.
1535 2000-05-09 Richard Henderson <rth@cygnus.com>
1537 * calls.c (expand_call): Increment currently_expanding_call
1538 before calling optimize_tail_recursion.
1540 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1542 * reload1.c (reload_combine): Fix errors in last change.
1544 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1546 * gcc.c (used_arg): Skip over a semicolon at the end of the
1547 split-up loop; don't break out of it.
1549 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1550 (tree.o): Depend on output.h.
1552 * c-decl.c (pending_invalid_xref_file,
1553 current_function_prototype_file): Constify.
1554 (pushdecl): Constify a local char *.
1555 (define_label): Constify filename parameter.
1556 * c-lex.c (init_parse): Constify parameter and return value.
1557 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1558 * c-tree.h: Update prototypes.
1559 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1560 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1561 objc/objc-parse.c: Regenerate.
1563 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1564 * dwarfout.h: Update prototypes.
1565 * expr.c (expand_expr): Constify a local char *.
1566 * flags.h: Constify main_input_filename.
1567 * function.c (expand_function_end): Constify filename parameter.
1568 * genrecog.c (make_insn_sequence): Use a character array for
1570 (main): Remove unused variables.
1571 * input.h: Constify input_filename, main_input_filename, and
1572 file_stack.name. Update prototypes.
1573 * output.h: Declare first_global_object_name and
1574 weak_global_object_name here, as const char *.
1575 * stmt.c (expand_asm_operands): Constify filename parameter.
1576 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1577 Constify filename parameter.
1578 (input_filename, main_input_filename): Constify.
1579 * toplev.h: Update prototypes.
1580 * tree.c: Include output.h. Don't declare
1581 first_global_object_name or weak_global_object_name. Clean up string
1582 bashing in get_file_function_name_long.
1583 * tree.h (struct tree_decl): Constify filename member.
1584 (input_filename): Constify.
1586 * varasm.c (first_global_object_name, weak_global_object_name):
1588 (assemble_start_function, assemble_variable): Clean up string bashing.
1590 * gcc.c: Constify all spec-related strings initialized,
1591 transitively, from string constants. Constify all strings
1592 and string variables related to multilibs.
1593 (set_spec, read_specs): Cast argument to free to PTR.
1594 (used_arg): Do not modify multilib_matches. Use strncmp plus
1595 length comparison to compare multilib switches.
1596 * genmultilib: Constify everything declared in multilib.h.
1598 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1600 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1603 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1605 * config/avr/avr-protos.h (extra_constraint): change a type of
1606 second argument from char to int to avoid warnings.
1607 (asm_output_byte): Likewise.
1609 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1610 (initial_elimination_offset): Handle elimination from
1611 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1612 (legitimate_address_p): Use MAX_LD_OFFSET.
1613 (legitimize_address): Likewise.
1614 (out_movqi_r_mr): Likewise.
1615 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1616 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1617 (out_movsi_mr_r): Likewise.
1618 (out_movqi_mr_r): Likewise.
1619 (out_movhi_mr_r): Likewise.
1620 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1621 count as CONST_INT != 6.
1622 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1623 shift count is a CONSTANT_P, but not a CONST_INT.
1624 (ashlhi3_out): Coding style modifications.
1625 (ashlsi3_out): Likewise.
1626 (ashrhi3_out): Likewise.
1627 (ashrsi3_out): Likewise.
1628 (lshrhi3_out): Likewise.
1629 (lshrsi3_out): Likewise.
1630 (ashrqi3_out): Generate shift for any known constant count without
1631 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1632 but not a CONST_INT.
1633 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1634 shift count is a CONSTANT_P, but not a CONST_INT.
1635 (extra_constraint): change a type of
1636 second argument from char to int to avoid warnings.
1637 (asm_output_byte): Likewise.
1638 (asm_file_end): Output size generated commands count as a hex
1641 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1643 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1645 (ashlqi3): Values of "length" attribute changed. Shift count
1646 uses constraints 'n' instead of 'i'.
1647 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1648 shifts without clobber register.
1649 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1650 (call_insn): Correct test for which_alternative == 1 (was 0).
1651 (call_value_insn): Likewise.
1653 * config/avr/t-avr: Remove definition of FLOAT while generates
1656 2000-05-09 Bruce Korb <bkorb@gnu.org>
1658 * fixinc/check.tpl: Template for checking fixes
1659 * fixinc/inclhack.def: Added 'test_text' for many fixes
1660 disable hpux8_bogus_inlines on SCO
1661 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1663 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1665 * calls.c (expand_call): Reorganize somewhat in order
1666 to avoid unnecesary recalculation inside loop and make
1667 tail call failure code cleaner.
1669 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1671 * alias.c (nonlocal_reference_p): Minor reformatting.
1672 * reload.c (find_equiv_reg): Simplify logic for
1673 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1674 some some reformatting.
1675 * reload1.c (reload_combine): Don't assume everything in
1676 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1678 2000-05-08 Richard Henderson <rth@cygnus.com>
1680 * final.c (current_insn_predicate): New.
1681 (final_scan_insn): Set it.
1682 * output.h (current_insn_predicate): Declare.
1684 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1685 Attach it to call insns.
1686 (cond_exec_process_if_block): Track probability for true and
1688 (dead_or_predicable): Likewise.
1690 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1691 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1692 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1693 (estimate_probability, expected_value_to_br_prob): Use them.
1695 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1696 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1697 (ia64_expand_prediction): New.
1698 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1699 as needed after calls.
1700 (ia64_epilogue_uses): Mark b0 used.
1701 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1702 (bne_true, bne_false): Remove.
1703 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1704 (br_true, br_false): New. Use predicate_operator and
1705 ia64_expand_prediction.
1706 (return_true, return_false): Likewise.
1707 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1708 (call_internal1, call_value_internal): Likewise.
1709 (call_value_internal1, call_multiple_values_internal1): Likewise.
1711 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1713 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1715 2000-05-08 Richard Henderson <rth@cygnus.com>
1717 * rtlanal.c (may_trap_p): Consider old-style and volatile
1720 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1722 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1724 2000-05-08 Richard Henderson <rth@cygnus.com>
1726 * config/ia64/ia64.h (predicate_operator): Declare.
1728 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1731 * gensupport.c (process_rtx): Copy and post-process each member
1732 of the define_insn rtvec individually.
1734 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1736 * cpplex.c (spell_token): New function.
1737 (TOKEN_LEN): Add 1 for whitespace.
1738 (_cpp_lex_file): Update to use spell_token.
1739 * cpplib.h (E): Remove.
1740 (TTYPE_TABLE): Update CPP_VSPACE entry.
1742 2000-05-08 Richard Henderson <rth@cygnus.com>
1744 * flow.c (init_propagate_block_info): Watch out for conditional
1745 branch to next instruction, and thus one outgoing edge.
1747 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1748 for global register variables; don't special case __[CD]TOR_LIST__;
1749 mind ggc_p for string allocation.
1751 2000-05-08 Nick Clifton <nickc@cygnus.com>
1753 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1755 2000-05-08 Bruce Korb <bkorb@gnu.org>
1757 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1758 i?86-*-msdosdjgpp* no longer uses fixincludes
1759 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1760 * fixinc/inclhack.sh: deleted
1761 * fixinc/hackshell.tpl: deleted
1762 * fixinc/inclhack.tpl: deleted
1763 * fixinc/Makefile.in: Remove dependencies on above
1764 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1766 2000-05-08 Andreas Jaeger <aj@suse.de>
1768 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1771 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1773 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1776 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1778 * cpplex.c: Move new lexer definitions and prototypes
1779 to top. Conditional include these and the code if
1780 NEW_LEXER is defined. Rename functions whose names
1781 clash if this code included.
1783 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1785 * rtl.def (COND_EXEC): Clarify.
1787 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1788 same fashion as zero_extendsidi2.
1790 2000-05-06 Richard Henderson <rth@cygnus.com>
1792 * config/ia64/ia64.c (predicate_operator): New.
1793 (ia64_print_operand): Handle 'J'.
1794 (rtx_needs_barrier): Handle COND_EXEC.
1795 * config/ia64/ia64.h (BRANCH_COST): Define.
1796 (PREDICATE_CODES): Update.
1797 * config/ia64/ia64.md: Docuement used unspec values.
1798 (attr predicable): New.
1799 (movxf, movxf_internal): New.
1800 (extendsfdf2): Don't comment out nop.
1801 (floatdidf2): Remove.
1802 (truncxfsf2, truncxfdf2, floatdixf2): New.
1803 (abssi2, absdi2): Put the neg in the "true" slot.
1804 (conditional branch instructions): Mark not predicable.
1805 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1806 (abs*_internal): Likewise.
1807 (alloc, set_bsp): Mark not predicable.
1808 (barrier, insn_group_barrier, flush_cache): Likewise.
1809 (define_cond_exec): New.
1811 2000-05-06 Richard Henderson <rth@cygnus.com>
1813 * c-decl.c: Include "tm_p.h".
1815 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1816 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1817 (ia64_expand_op_and_fetch): Declare.
1818 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1819 (setjmp_operand): Constify variables for XSTR.
1820 (ia64_encode_section_info): Likewise.
1821 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1823 (ia64_asm_output_external): Constify name.
1824 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1825 (process_for_unwind_directive): Provide switch default.
1826 (ia64_expand_compare_and_swap): Remove unused variables.
1827 (ia64_expand_builtin): Likewise.
1828 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1831 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1832 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1833 (shift_count_operand, shift_32bit_count_operand): Likewise.
1834 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1835 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1836 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1837 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1838 (ia64_expand_builtin): Likewise.
1839 (call_multiple_values_operation): Make dest_regno unsigned.
1841 2000-05-06 Richard Henderson <rth@cygnus.com>
1843 * rtl.def (DEFINE_COND_EXEC): New.
1844 * md.texi: Document it.
1846 * gensupport.c (input_file): Remove.
1847 (struct queue_elem): Add lineno.
1848 (rtx_ready_queue): Remove.
1850 (predicable_default): New.
1851 (predicable_true, predicable_false): New.
1852 (define_attr_queue, define_attr_tail): New.
1853 (define_insn_queue, define_insn_tail): New.
1854 (define_cond_exec_queue, define_cond_exec_tail): New.
1855 (other_queue, other_tail): New.
1856 (queue_pattern): New.
1857 (process_rtx): Add patterns to the appropriate queues.
1858 (is_predicable, identify_predicable_attribute): New.
1859 (n_alternatives, collect_insn_data): New.
1860 (alter_predicate_for_insn, alter_test_for_insn): New.
1861 (shift_output_template, alter_output_for_insn): New.
1862 (process_one_cond_exec, process_define_cond_exec): New.
1863 (init_md_reader): Read the entire file. Process define_cond_exec.
1864 (read_md_rtx): Return elements from the queues.
1866 2000-05-06 Richard Henderson <rth@cygnus.com>
1868 * flow.c (mark_set_1): Don't update conditional life info
1869 if the register is not_dead.
1871 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1873 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1874 (mostlyclean): Also delete fixincl, fixinc.sh, and
1875 specs.ready, and make clean in the fixinc subdir.
1877 2000-05-06 Richard Henderson <rth@cygnus.com>
1879 * Makefile.in (gensupport.o): Compile for the host.
1880 (host-prefix gensuuprt.o): Remove.
1881 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1882 (genattrtab.o): Likewise.
1883 (gencodes.o): Depend on gensupport.h.
1884 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1885 (genpeep.o, genattr.o, genoutput.o): Likewise.
1887 * gensupport.c (obstack, rtl_obstack): New.
1888 (init_md_reader): Initialize rtl_obstack.
1889 * gensupport.h (rtl_obstack): Declare.
1890 (message_with_line): Declare.
1892 * genattr.c: Remove all traces of obstack manipulation.
1893 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1894 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1896 * genattrtab.c (obstack, rtl_obstack): Remove.
1897 (main): Don't init rtl_obstack.
1898 * genflags.c: Likewise.
1900 * genrecog.c (message_with_line): Move ...
1901 * gensupport.c: ... here.
1903 2000-05-06 Richard Henderson <rth@cygnus.com>
1905 * c-typeck.c (build_c_cast): Remove dead code.
1907 2000-05-06 Richard Henderson <rth@cygnus.com>
1909 * flow.c (split_edge): Don't allocate global_live_at_start for
1910 the new block unless the old blocks had them as well.
1912 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1914 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1915 test_bb if a or b uses x.
1917 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1919 * cpphash.h: Remove conditional #define of __extension__.
1920 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1921 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1922 (ENABLE_RTL_CHECKING only).
1923 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1924 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1925 (ENABLE_TREE_CHECKING only).
1926 * varray.h: Add __extension__ to VARRAY_CHECK macro
1927 (ENABLE_CHECKING only).
1929 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1931 Use new tail-calling mechanism on ARM.
1932 * arm.md (sibcall, sibcall_value): New expands.
1933 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1934 (tailcalling peepholes): Delete.
1935 (push_multi): Simplify.
1936 * arm.c (lr_save_eliminated): Delete definition.
1937 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1938 (output_return_instruction): Remove checks on lr_save_eliminated.
1939 (output_arm_prologue): Remove old tail-calling code.
1940 (arm_output_epilogue): New parameter, really_return. All callers
1941 changed. Handle tail-calling epilogues.
1942 * arm.h (lr_save_eliminated): Delete declaration.
1943 (frame_pointer_needed): Delete declaration.
1944 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1946 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1948 * arm.c (thumb_code): Define it.
1949 (arm_override_options): Set it.
1950 * arm.h (thumb_code): Declare it.
1952 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1954 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1956 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1958 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1959 bogus clobber to insns.
1960 (load_multiple_operation, store_mulitple_operation): Don't check
1962 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1964 * arm.md (and_scc, ior_scc): Add missing mode.
1966 * arm.md (call_value_symbol): Remove predicate from op2.
1968 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1970 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1972 * expr.c (get_subtarget): New function.
1973 (force_operand, expand_expr, do_store_flag): Use it.
1975 * toplev.c (compile_file): Don't take strlen of NAME if null.
1977 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1979 * xcoffout.c (xcoff_current_include_file,
1980 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1981 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1983 (xcoffout_declare_function): Make name 'const char *'.
1984 (xcoffout_end_epilogue): Make fname 'const char *'
1985 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1986 xcoffout_declare_function, xcoffout_source_line): Match above.
1988 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1990 * rs6000.c (print_operand): Fix lossage typo.
1991 (output_cbranch): Remove "cr" decoration for now.
1992 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1994 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1996 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1999 2000-05-05 Bruce Korb <bkorb@gnu.org>
2001 * fixinc/genfixes: Improve the matching for make target names
2003 2000-05-05 Catherine Moore <clm@cygnus.com>
2005 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2006 attribute to the decl.
2007 * c-decl.c (pushdecl): Propagate the USED attribute to the
2010 2000-05-05 Richard Henderson <rth@cygnus.com>
2012 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2013 same way emit_group_load does.
2015 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2017 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2019 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2022 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2024 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2026 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2028 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2029 to support -shared, on platforms with dynamic libraries.
2031 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2033 * system.h (S_ISBLK): Provide fallback definition.
2035 2000-05-05 Geoff Berry <geoffb@bops.com>
2037 * extend.texi (Extended Asm): Document inability to give asm
2038 statements access to condition codes.
2040 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2042 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2043 as arg 2 of UNIQUE_SECTION.
2045 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2047 * predict.c: Remove May 4 change.
2048 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2049 if we have predicted the branch at 50-50 probability.
2051 2000-05-05 Richard Henderson <rth@cygnus.com>
2053 * flow.c (init_propagate_block_info): Fix merge error
2054 in HAVE_conditional_execution code.
2056 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2058 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2059 shift cycle for unknown shift count. Also generates dec + brpl.
2060 (ashlqi3_out): Don't generate dec + brpl which now generates by
2061 `out_shift_with_cnt'.
2062 (ashlhi3_out): Likewise.
2063 (ashlsi3_out): Likewise.
2064 (ashrqi3_out): Likewise.
2065 (ashrhi3_out): Likewise.
2066 (ashrsi3_out): Likewise.
2067 (lshrqi3_out): Likewise.
2068 (lshrhi3_out): Likewise.
2069 (lshrsi3_out): Likewise.
2071 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2073 * gcc.c (free_split_directories): Correct typo in explanation
2074 of make_relative_prefix.
2076 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2078 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2079 comparison codes to branch_comparison_operator.
2081 2000-05-04 Richard Henderson <rth@cygnus.com>
2083 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2085 2000-05-04 Richard Henderson <rth@cygnus.com>
2087 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2088 (DPBIT_FUNCS): Remove _sf_to_usi.
2089 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2091 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2092 between condition and jump.
2094 * libgcc2.c (near eh_context_specific): Comment #endif string.
2095 * longlong.h: Don't use strings with embedded newlines.
2097 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2099 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2100 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2101 (print_operand): Delete %t and %T codes.
2102 (output_cbranch): New function. Support branch prediction.
2103 * config/rs6000/rs6000.md: Use output_cbranch for
2104 conditional branches and returns.
2106 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2108 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2109 * stor-layout.c (place_field): Likewise.
2110 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2111 * expr.c (store_expr): Make align unsigned.
2112 * explow.c (plus_constant_wide): Make low words unsigned.
2113 * expmed.c (choose_multiplier): Likewise.
2114 * fold-const.c (fold): Likewise.
2115 * tree.h (build_int_2): Likewise.
2116 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2117 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2118 (init_emit): Change cast to unsigned char*.
2119 * varasm.c (compare_constant_1): Add cast to char*.
2120 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2121 * reload1.c (reload): Likewise.
2123 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2125 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2127 * predict.c (estimate_probability): If no prediction was found, then
2128 predict the successor that is the next physical block (if such a
2131 2000-05-04 Richard Henderson <rth@cygnus.com>
2133 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2135 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2137 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2139 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2141 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2142 attribute macros from here ...
2143 (CPP_SPEC): to here.
2144 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2145 (CPP_SPEC): Likewise.
2146 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2148 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2149 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2151 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2153 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2155 * diagnostic (vbuild_message_string, build_message_string,
2156 build_location_prefix, output_get_prefix, init_output_buffer,
2157 output_notice, vline_wrapper_message_with_location,
2158 v_message_with_decl, default_print_error_function): De-constify.
2159 (set_real_maximum_length): Prototype.
2161 * diagnostic.h (struct output_buffer, init_output_buffer,
2162 output_get_prefix, output_set_prefix): De-constify.
2164 * function.c (init_function_start): Constify.
2166 * gensupport.c (remove_constraints, process_rtx): Prototype.
2168 * gthr-posix.h: Indent uses of #pragma.
2170 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2173 * predict.c (find_expected_value): Delete prototype.
2174 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2176 * sbitmap.h (debug_sbitmap): Prototype.
2178 * ssa.c (compute_coalesced_reg_partition): Prototype.
2180 * stor-layout.c (debug_rli): Prototype.
2182 * tree.h (round_down): Prototype.
2183 (init_function_start): Constify.
2185 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2187 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2188 (overly conservative). Change extern inline wrappers to
2189 static inline, define them always, use PARAMS properly.
2190 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2191 whitespace warnings for \f and \v at the beginning of a line.
2193 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2195 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2198 2000-05-04 Bruce Korb <bkorb@gnu.org>
2200 * fixincl/inclhack.def: added broken_cabs -
2201 Remove `extern double cabs' declarations from math.h
2202 * fixincl/inclhack.sh: regen
2203 * fixincl/fixincl.x: regen
2204 * fixincl/fixincl.c: Remove BOGOSITY code
2205 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2207 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2209 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2211 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2212 when calling MEM_COPY_ATTRIBUTES.
2213 * emit-rtl.c (operand_subword, change_address): Likewise.
2214 * explow.c (stabilize): Likewise.
2215 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2216 * integrate.c (copy_rtx_and_substitute): Likewise.
2217 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2218 when calling MEM_COPY_ATTRIBUTES.
2219 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2221 * cse.c (gen_lowpart_if_possible): Likewise.
2222 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2223 * optabs.c (gen_move_insn): Likewise.
2224 * recog.c (validate_replace_rtx_1): Likewise.
2225 * simplify-rtx.c (add_mem_for_addr): Likewise.
2226 * stmt.c (expand_anon_union_decl): Likewise.
2227 * config/arm/arm.md: Likewise.
2228 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2229 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2230 (block_move_no_loop, block_move_sequence): Likewise.
2231 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2232 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2233 Clear MEM_ALIAS_SET.
2234 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2235 MEM_COPY_ATTRIBUTES.
2237 2000-05-03 Robert Lipe <robertlipe@usa.net>
2239 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2240 to suppress libgcc1.
2241 (i[34567]86-*-sco3.2v5*) Likewise.
2242 (i[34567]86-*-sco3.2v4*) Likewise.
2243 (i[34567]86-*-sco) Likewise.
2244 (i[34567]86-*-solaris2) Likewise.
2245 (i[34567]86-*-sysv5*) Likewise.
2246 (i[34567]86-*-sysv4*) Likewise.
2247 (i[34567]86-*-udk*) Likewise.
2248 (i[34567]86-*-sysv*) Likewise.
2250 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2252 * cpphash.h (U): New define, to correct type of string constants.
2253 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2254 routines, to do casts when passing unsigned strings to libc.
2255 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2257 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2258 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2259 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2260 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2261 second argument an U_CHAR *.
2263 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2264 length field, clean up initializer.
2265 (ISTABLE): Add __extension__ to designated-
2266 initializers version.
2267 * cpplex.c (CHARTAB): Likewise.
2269 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2270 case so the file won't be empty.
2272 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2274 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2275 (REORDER_BLOCK_SUCC): Removed.
2276 (enum reorder_skip_type): Removed.
2277 (skip_insns_between_block): Renamed to skip_insns_after_block.
2278 Removed second argument. Removed dead code and cleaned up.
2279 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2280 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2281 second parameter to skip_insns_after_block.
2283 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2285 * tree.c (staticp, case LABEL_DECL): New case.
2287 2000-05-03 Richard Henderson <rth@cygnus.com>
2289 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2291 * mklibgcc1.in: Fix typo last change.
2293 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2295 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2296 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2297 (GCC_CFLAGS): Use it.
2298 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2299 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2300 objc/Make-lang.in: Use it.
2302 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2304 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2306 2000-05-03 Richard Henderson <rth@cygnus.com>
2308 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2309 LIBGCC1 empty with libgcc1.null.
2311 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2313 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2316 2000-05-03 Greg McGary <gkm@gnu.org>
2318 * tree.h (tree_common): Add bounded_flag member. Remove
2319 inaccurate comment about number of remaining bits.
2320 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2321 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2322 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2323 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2324 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2325 (TYPE_QUAL_BOUNDED): New constant.
2326 (TYPE_QUALS): Handle bounded qualifier.
2327 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2328 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2329 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2330 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2331 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2332 (tree_type): Add pointer_depth member. Remove
2333 inaccurate comment about number of remaining bits.
2334 (DECL_POINTER_DEPTH): Add macro.
2335 (tree_decl): Add pointer_depth member.
2337 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2339 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2340 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2341 (lshrhi3_out): Likewise.
2342 (ashrsi3_out): bugfix in shift by 8.
2343 (test_hard_reg_class): New function.
2344 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2345 (ashlhi3): removed define_expand of this pattern.
2346 (*ashlhi3_insn): renamed to ashlhi3.
2347 (ashlsi3): removed define_expand of this pattern.
2348 (*ashlsi3_insn): renamed to ashlsi3.
2349 (ashrqi3): removed define_expand of this pattern.
2350 (*ashrqi3_insn): renamed to ashrqi3.
2351 (ashrhi3): removed define_expand of this pattern.
2352 (*ashrhi3_insn): renamed to ashrhi3.
2353 (ashrsi3): removed define_expand of this pattern.
2354 (*ashrsi3_insn): renamed to ashrsi3.
2355 (lshrhi3): removed define_expand of this pattern.
2356 (*lshrhi3_insn): renamed to lshrhi3.
2357 (lshrsi3): removed define_expand of this pattern.
2358 (*lshrsi3_insn): renamed to lshrsi3.
2360 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2362 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2363 inclusion of "system.h".
2365 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2367 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2370 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2372 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2373 if -mauto-pic is on.
2374 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2375 -mconstant-gp is in effect and function-descriptors are being used
2376 to make indirect calls.
2377 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2378 (MASK_AUTO_PIC): Ditto.
2379 (TARGET_CONST_GP): Ditto.
2380 (TARGET_AUTO_PIC): Ditto.
2381 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2382 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2383 -mno-pic is in effect.
2384 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2385 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2386 -mauto-pic is in effect.
2387 (gprel64_offset): New pattern.
2388 (load_gprel64): Ditto.
2389 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2390 -mconstant-gp is in effect, no need to preserve gp around direct
2392 (call_value): Ditto.
2393 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2394 (FUNCTION_PROFILER): Define.
2395 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2396 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2397 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2399 2000-05-03 Richard Henderson <rth@cygnus.com>
2401 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2402 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2403 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2404 (mklibgcc, libgcc.mk): New targets.
2405 (libgcc.a): Use libgcc.mk.
2406 (stmp-multilib): Likewise.
2407 (stmp-multilib-sub): Remove.
2408 (mostlyclean): Don't delete libgcc2 temp files.
2409 * configure.in (AC_PROG_CC_C_O): Add.
2410 (NO_MINUS_C_MINUS_O): Substitute it.
2411 (all_outputs): Add mklibgcc.
2412 * mklibgcc.in: New file.
2414 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2416 * cppexp.c (op_t): Make an int.
2418 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2420 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2422 * gensupport.c (process_rtx): Fix macros used.
2424 2000-05-03 Richard Henderson <rth@cygnus.com>
2426 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2427 call-clobbered registers of a call.
2429 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2431 * gensupport.c: New file.
2432 * gensupport.h: New file.
2433 * Makefile.in (HOST_RTL): Depend on gensupport.
2434 (gensupport.o) New rule.
2435 * genattr.c: Use gensupport for reading .md files.
2436 * genattrtab.c: Ditto.
2437 * gencodes.c: Ditto.
2438 * genconfig.c: Ditto.
2440 * genextract.c: Ditto.
2441 * genflags.c: Ditto.
2442 * genopinit.c: Ditto.
2443 * genoutput.c: Ditto.
2445 * genrecog.c: Ditto.
2446 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2447 * md.texi (Insn Splitting): Document define_insn_and_split.
2449 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2451 * flow.c (verify_flow_info): Added two more sanity checks. The
2452 first checks that the blocks are numbered consecutively. The second
2453 checks that n_basic_blocks is actually equal to the number of
2454 basic blocks in the insn chain.
2456 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2458 * cpplib.h: Add accessor macros for token lists.
2459 * cpplib.c, cpphash.c, cpplex.c: Use them.
2461 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2463 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2464 memory usage if not in a function.
2465 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2466 return address if static.
2468 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2470 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2471 whether address may trap.
2473 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2475 * bb-reorder (chain_reorder_blocks): Changed code to test for
2476 EDGE_FALLTHRU rather than making erroneous assumption that the
2477 first outgoing edge is the fall-through edge.
2479 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2481 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2482 ABI for varargs, across all MIPS. This is incompatible because the
2483 va_list (__builtin_va_list) structure is different, so a compilation
2484 unit passing a va_list and a compilation unit being passed one, should
2485 both be compiled with the same ABI. (The old structure had two
2486 pointers, now it has three.)
2488 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2490 * bb-reorder.c (struct reorder_block_def): Remove members end,
2491 block_begin, and block_end.
2492 (REORDER_BLOCK_OLD_END): Delete.
2493 (REORDER_BLOCK_BEGIN): Delete.
2494 (REORDER_BLOCK_END): Delete.
2495 (chain_reorder_blocks): Remove dead code.
2497 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2499 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2500 notes as the end of a basic block before deleting.
2502 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2504 * final.c (final_start_function): Fix spelling of "necessary".
2506 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2508 * toplev.c (debug_ignore_block): Return int.
2509 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2510 * toplev.h, dwarf2out.h: Adjust.
2511 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2513 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2514 * toplev.c, final.c, rtl.h: Adjust.
2516 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2518 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2519 * configure.in: Look for makeinfo in the unified tree, then
2520 for a system makeinfo which is sufficiently new.
2521 * Makefile.in: If configure says makeinfo is too old, don't
2522 build or install Info documentation.
2524 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2526 * cpphash.c (collect_params): Fix off-by-one error.
2527 (dump_hash_helper): Dump all four macro nodetypes.
2529 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2531 * cpphash.c (trad_stringify): Adjust p after stringification as
2534 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2536 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2537 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2539 * cppfiles.c (file_cleanup): Delete.
2540 * cpphash.c (macro_cleanup): Delete.
2541 (collect_objlike_expansion, collect_funlike_expansion,
2542 macarg, scan_arguments): Remove CPP_POP case.
2544 * cpplex.c (null_cleanup): Delete.
2545 (cpp_pop_buffer): Do the work that was done in the cleanups
2546 here. Call _cpp_unwind_if_stack from here.
2547 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2548 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2549 stack is the buffer _below_ the one we stacked.
2550 (cpp_get_token): Always pop an exhausted buffer. Return
2551 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2552 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2553 increment the line number.
2554 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2556 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2557 we see CPP_EOF and the top of stack is the buffer _below_ the
2559 * scan-decls.c: Likewise.
2561 2000-05-02 Andrew Haley <aph@cygnus.com>
2563 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2564 where this function is called for the second time on a decl that
2565 has had its section info changed in such a way as to move it out
2567 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2569 2000-05-01 Richard Henderson <rth@cygnus.com>
2571 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2572 the sequence we're moving, not to merge_bb->head.
2574 2000-05-01 Richard Henderson <rth@cygnus.com>
2576 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2577 reference to alpha/t-linux.
2578 (alpha*-*-linux-gnu*): Likewise.
2579 * configure: Rebuild.
2581 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2583 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2586 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2588 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2590 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2593 2000-05-01 Richard Henderson <rth@cygnus.com>
2595 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2596 emit_conditional_move.
2598 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2600 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2601 as the dynamic linker.
2603 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2605 * cppfiles.c (open_include_file): Open file in blocking mode.
2606 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2607 Only exclude block devices and directories.
2609 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2610 static. Allocate the hashnode and its string in the same
2612 (del_HASHNODE): Don't free h->name.
2613 (_cpp_lookup): If there is no entry for this string, create
2614 one, of type T_VOID.
2615 (_cpp_lookup_slot): Delete.
2616 * cpphash.h: Update prototypes.
2618 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2620 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2621 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2622 node here, just fill in the value field properly. "Delete"
2623 entries by setting the value field to T_VOID. Check for
2624 hp->type == T_VOID, not hp == NULL.
2626 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2627 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2630 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2632 * config/mn10300/mn10300.c (print_operand_address): Do not add
2635 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2636 adjusted by less than 256 bytes, use ret regardless of having any
2637 callee-saved register to restore.
2639 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2641 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2643 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2645 * config/i386/djgpp.h (INT_ASM_OP): Define.
2646 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2647 (ASM_WEAKEN_LABEL): Define.
2648 (MASK_BNU210): Define.
2649 (SUBTARGET_SWITCHES): Define.
2650 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2651 (MAKE_DECL_ONE_ONLY): Define.
2652 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2654 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2656 * i386/cygwin.h (INT_ASM_OP): Define.
2658 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2660 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2661 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2663 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2665 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2666 __tmp_reg__ and __zero_reg__ initialization.
2668 2000-04-30 Richard Henderson <rth@cygnus.com>
2670 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2672 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2673 referenced bewteen the condition and the jump. Don't delete
2674 anything but the jump.
2676 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2678 * bb-reorder.c (scope_def): New struct.
2679 (scope_forest_info): New struct.
2680 (struct reorder_block_def): New member "scope".
2681 (REORDER_BLOCK_SCOPE): New macro.
2682 (relate_bbs_with_scopes): New function and prototype.
2683 (make_new_scope): Likewise.
2684 (build_scope_forest): Likewise.
2685 (remove_scope_notes): Likewise.
2686 (insert_intra_1): Likewise.
2687 (insert_intra_bb_scope_notes): Likewise.
2688 (insert_inter_bb_scope_notes): Likewise.
2689 (rebuild_scope_notes): Likewise.
2690 (free_scope_forest_1): Likewise.
2691 (free_scope_forest): Likewise.
2692 (dump_scope_forest): Likewise.
2693 (dump_scope_forest_1): Likewise.
2694 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2695 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2697 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2698 and remove_scope_notes before reordering is done. Added calls to
2699 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2700 after reordering is done.
2702 2000-40-30 Bruce Korb <bkorb@gnu.org>
2704 * fixinc/inclhack.def: Added definitions needed by OSR5,
2705 removed two stale entries (defined away with OLD_CPP).
2706 * fixinc/inclhack.sh: regen
2707 * fixinc/fixincl.x: regen
2709 2000-04-30 Richard Henderson <rth@cygnus.com>
2711 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2712 from the last insn in the sequence.
2714 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2716 * cpplex.c (cpp_idcmp): New function.
2717 * cpplib.h: Prototype it.
2718 * scan_decls.c (scan_decls): Use it to inspect token names.
2719 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2720 the file being run through the preprocessor.
2721 (check_macro_names): Provide length of token to cpp_defined.
2723 * Makefile.in: Remove stale warning message.
2725 * cppfiles.c (redundant_include_p): Provide length of token to
2727 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2728 values are unsigned int.
2729 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2730 (_cpp_lookup_slot): Do not calculate the hash, either.
2731 * cpphash.h: Update prototypes.
2732 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2733 Hashes are unsigned int. Calculate hash here, pass by value
2734 to _cpp_lookup_slot.
2736 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2738 * simplify-rtx.c (check_value_useless): Delete function.
2739 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2741 (cselib_invalidate_regno): Likewise.
2742 (cselib_invalidate_mem_1): Likewise.
2743 (references_value_p): Recognize useless values by the fact that they
2745 (discard_useless_values): Likewise.
2746 (cselib_record_set): This may turn a useless value
2749 2000-04-30 Richard Henderson <rth@cygnus.com>
2751 * config/d30v: New port.
2753 * configure.in (d30v-*): Set fp format.
2754 * configure: Rebuild.
2756 2000-04-30 Richard Henderson <rth@cygnus.com>
2758 * ifcvt.c: New file.
2759 * Makefile.in (OBJS): Add it.
2760 (ifcvt.o): New target.
2761 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2762 and conditional arithmetic.
2763 (find_insert_position): Remove.
2764 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2765 * toplev.c (DFI_ce, DFI_ce2): New.
2766 (dump_file): Add ce and ce2 dumps.
2767 (rest_of_compilation): Run if_convert a couple o times. Set
2768 cse_not_expected after cse2. Don't set no_new_pseudos until
2769 after sched1 or recompute_reg_usage.
2771 2000-04-30 Richard Henderson <rth@cygnus.com>
2773 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2774 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2776 2000-04-30 Richard Henderson <rth@cygnus.com>
2778 * flow.c (struct reg_cond_life_info): New.
2779 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2780 (init_propagate_block_info): Initialize them.
2781 (free_propagate_block_info): Destruct them.
2782 (mark_set_1): Consider conditional life before killing a register.
2783 (mark_regno_cond_dead): New.
2784 (free_reg_cond_life_info): New.
2785 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2786 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2787 (mark_used_reg): Record conditional life.
2789 * haifa-sched.c (schedule_insns): Disable death counting
2790 sanity check for HAVE_conditional_execution.
2792 2000-04-30 Richard Henderson <rth@cygnus.com>
2794 * Makefile.in (TIMEVAR_H): New.
2795 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2796 (timevar.h): Remove rule.
2798 2000-04-29 Richard Henderson <rth@cygnus.com>
2800 * config/alpha/crtend.asm: Use C comments instead of #.
2801 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2803 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2805 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2807 * cpphash.h (enum node_type: Take out T_MCONST.
2808 (union hashval): Move into struct hashnode.
2809 (struct hashnode): Pack tighter. Remove file, line, col
2811 * cpphash.c: Constify most of the macro-definition structures.
2812 (struct definition): Replace by struct object_defn
2813 and struct funct_defn. Put file, line, column information
2814 here. All users updated to match.
2815 (_cpp_create_definition, _cpp_macroexpand): Remove special
2816 case for #define WORD OTHERWORD.
2817 * cpplib.c (do_undef): Remove T_MCONST case.
2819 * cpphash.h: Move struct reflist, struct definition, and the
2820 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2821 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2822 * cpphash.c (_cpp_free_definition): Free data pointed to by
2823 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2824 (_cpp_create_definition, del_HASHNODE): Just call
2825 _cpp_free_definition to clear out a hashnode.
2826 * cpplib.c (do_pragma_poison): Likewise.
2828 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2830 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2831 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2832 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2833 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2834 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2835 REGNO_AM33_P): Redefine in terms of the new macros.
2836 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2837 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2838 STRUCT_VALUE): Likewise.
2839 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2840 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2842 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2844 * regmove.c (struct record_stack_memrefs_data): New.
2845 (record_stack_memrefs): New function.
2846 (combine_stack_adjustments_for_block): Use it.
2848 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2850 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2851 use special_function_p to detect alloca.
2853 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2855 * gcc.texi: Fixes for makeinfo 4.0 --html.
2857 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2859 * pcp.h: Delete file.
2861 2000-04-28 Kazu Hirata <kazu@hxi.com>
2863 * h8300.c (function_epilogue): Clean up flags when the last insn
2864 in a function is a barrier.
2866 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2868 * configure.in (sparc-hal-solaris2*): protect [] glob from
2870 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2871 rather than hard-coded constants in target_cpu_default2.
2872 * configure: Regenerate.
2874 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2876 * tree.c (get_callee_fndecl): Extract the initial value from
2879 2000-04-28 Richard Henderson <rth@cygnus.com>
2881 * varasm.c (record_constant_1): Record the CODE_LABEL when
2882 taking the address of a LABEL_REF.
2884 2000-04-28 Richard Henderson <rth@cygnus.com>
2885 Jan Hubicka <jh@suse.cz>
2887 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2888 adjustment; don't do the stack adjust.
2889 (expand_call): Call compute_argument_block_size right before
2890 allocating the block; update comment; don't do alignment sanity
2891 checking for sibling call; use args_size instead of
2892 unadjusted_args_size before args_size is adjusted. Use
2893 combine_pending_stack_adjustment_and_call to compute stack adjust
2894 for must_preallocate case.
2896 * expr.c (push_block): Remove shadow `temp' in inner scope.
2898 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2900 * toplev.c (rest_of_compilation): Call
2901 note_deferral_of_defined_inline_function even if the function
2904 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2906 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2908 2000-04-28 Richard Henderson <rth@cygnus.com>
2910 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2912 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2914 * timevar.c (init_timevar): DeANSIfy function definition.
2916 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2918 * Makefile.in (timevar.o): Depend on flags.h.
2919 * timevar.c (unused_stack_instances): New variable.
2920 (timevar_push): Take a timevar_stack_def from
2921 unused_stack_instances if available.
2922 (timevar_pop): Push the popped timevar_stack_def onto
2923 unused_stack_instances.
2924 (TIMEVAR_ENABLE): New macro.
2925 (timevar_def): Make standalone a 1-bit field. Add field used.
2926 (get_time): Rename parameter to now. Return after clearing it if
2928 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2929 (timevar_pop): Likewise.
2930 (timevar_stop): Likewise.
2931 (timevar_push): Likewise. Mark the timing variable as used.
2932 (timevar_start): Likewise.
2933 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2934 timevars that were never used.
2936 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2938 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2939 always TREE_READONLY.
2941 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2943 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2944 for call instruction with mode QImode.
2946 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2948 * Makefile.in (OBJS): Add timevar.o.
2949 (toplev.o): Depend on timevar.h.
2950 (ggc-simple.o): Likewise.
2951 (ggc-page.o): Likewise.
2952 (timevar.o): New rule.
2953 (timevar.h): New rule.
2955 * timevar.h: New file.
2956 * timevar.c: Likewise.
2957 * timevar.def: Likewise.
2959 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2960 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2962 (TIMEVAR): Remove macro.
2963 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2964 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2965 flow_time, combine_time, regmove_time, sched_time,
2966 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2967 sched2_time, dbr_sched_time, reorder_blocks_time,
2968 rename_registers_time, shorten_branch_time, stack_reg_time,
2969 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2971 (compile_file): Don't initialize time variables. Call
2972 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2973 of many calls to print_time.
2974 (rest_of_compilation): Add timing for reload_cse_regs.
2975 (get_run_time): Removed to timevar.c.
2976 (print_time): Likewise.
2977 (get_run_time): Implement using TV_TOTAL time variable.
2978 (print_time): Get total run time from get_run_time.
2979 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2980 computing elapsed time explicitly.
2981 * ggc-simple.c (ggc_collect): Likewise.
2982 (gc_time): Remove declaration.
2984 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2986 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2987 (expand_call): Use it.
2989 2000-04-27 Jan Hubicka <jh@suse.cz>
2991 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2994 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2996 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2999 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3001 * function.c (epilogue_done): Pass whole insn to record_insns.
3003 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3005 * cse.c (CSE_ADDRESS_COST): Remove.
3006 (find_best_addr): Add new parameter "MODE", use address_cost instead
3008 (address_cost): New.
3009 (fold_rtx): Update call of find_best_addr.
3010 * rtl.h (address_cost): Declare.
3011 * loop.c (general_induction_var): Add new parameter "MODE", use
3012 address_cost instead of ADDRESS_COST
3013 (init_loop): Use address_cost instead of ADDRESS_COST.
3014 (check_insn_for_givs): Update call of general_induction_var.
3015 (find_mem_givs): Likewise.
3016 (consec_sets_giv): Likewise.
3017 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3018 * i386.c (ix86_address_cost): New.
3019 * i386-protos.h (ix86_address_cost): Declare.
3021 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3023 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3026 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3028 * expr.c (store_expr): Use clear_storage instead of direct memset
3031 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3033 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3034 ASHIFT, AND and LABEL_REF.
3036 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3038 * invoke.texi (-foptimize-sibling-calls): Fix.
3040 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3042 * loop.c (load_mems) Don't use hard registers for the hoisting.
3044 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3045 calculation; rename const_equiv array in the preconditioning code
3046 from loop_unroll to loop_unroll_precondition
3048 2000-04-27 Richard Henderson <rth@cygnus.com>
3050 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3052 (propagate_one_insn): Clear it. Don't update reg_live here.
3053 (init_propagate_block_info): Update for pbi member changes.
3054 (free_propagate_block_info): Likewise.
3055 (mark_set_1): Know that zero_extract, sign_extract, and
3056 strict_low_part don't kill their argument. Alter hard subregs.
3057 Update new_set for non-CLOBBER sets. Update reg_live.
3058 (find_auto_inc): Update reg_live, not new_dead.
3059 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3060 to determine if the reg in question was set this insn. Only update
3061 reg info with PROP_REG_INFO.
3063 2000-04-26 Richard Henderson <rth@cygnus.com>
3065 * flow.c (allocate_reg_life_data): Set max_regno here ...
3066 (life_analysis): ... not here.
3068 * flow.c (calculate_global_regs_live): Force stack pointer
3071 2000-04-26 Richard Henderson <rth@cygnus.com>
3073 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3074 commit change group changes.
3075 (invert_exp_1): Similarly.
3076 (redirect_exp, invert_exp): Use them.
3077 (redirect_jump_1): New.
3078 (invert_jump_1): New.
3079 (jump_optimize_1): Remove code subsumed by condexec.c.
3080 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3082 2000-04-26 Richard Henderson <rth@cygnus.com>
3084 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3086 * genconfig.c (main): Set all HAVE_foo to 1.
3088 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3090 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3092 * invoke.texi: Document -fssa flag.
3094 2000-04-26 Richard Henderson <rth@cygnus.com>
3096 * flow.c (count_reg_sets_1): Remove.
3097 (count_reg_sets, count_reg_references): Remove.
3098 (recompute_reg_usage): Implement with update_life_info.
3099 Reallocate life data.
3101 2000-04-26 Richard Henderson <rth@cygnus.com>
3103 * flow.c (update_life_info): Consider blocks null to mean the
3105 (calculate_global_regs_live): Likewise.
3106 (life_analysis): Do that instead of collecting all_blocks.
3108 2000-04-26 Richard Henderson <rth@cygnus.com>
3110 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3111 a still-valid conditional jump.
3113 2000-04-26 Richard Henderson <rth@cygnus.com>
3115 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3117 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3118 * flow.c (calculate_loop_depth): Remove.
3119 * output.h (calculate_loop_depth): Don't declare.
3120 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3121 inline; run estimate_probability at the same time.
3123 2000-04-26 Neil Booth <NeilB@earthling.net>
3125 * cpplib.h: "~=" is not a single pp-token.
3126 * cpplex.c: Correct commentary.
3128 2000-04-26 Richard Henderson <rth@cygnus.com>
3130 * flow.c (mark_set_1): New arguments code and flags; update all
3131 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3132 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3133 loop_depth when optimizing for size. Do new_dead update after
3134 emitting REG_UNUSED notes. Merge mark_set_reg code.
3135 (mark_set_reg): Remove.
3136 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3137 arrange to not emit REG_UNUSED notes.
3139 2000-04-26 Richard Henderson <rth@cygnus.com>
3141 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3142 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3144 2000-04-26 Richard Henderson <rth@cygnus.com>
3146 * flow.c (propagate_one_insn): Break out from propagate_block.
3147 (init_propagate_block_info): Likewise.
3148 (free_propagate_block_info): Likewise.
3149 (propagate_block): Use them. Export.
3150 * basic-block.h: Declare them all.
3152 2000-04-26 Richard Henderson <rth@cygnus.com>
3154 * basic-block.h (life_analysis): Declare here ...
3155 * output.h: ... not here.
3156 * flow.c (life_analysis): Remove nregs parameter; replace
3157 remove_dead_code with flags. Remove ssa dead code check.
3158 Only init alias analysis if we'll use it.
3159 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3160 * ssa.c (convert_to_ssa): Likewise.
3161 (convert_from_ssa): Likewise.
3162 * toplev.c (rest_of_compilation): Likewise.
3164 2000-04-26 Richard Henderson <rth@cygnus.com>
3166 * flow.c (flow_delete_block): Rename from delete_block. Export.
3167 * basic-block.h (flow_delete_block): Declare.
3169 2000-04-26 David S. Miller <davem@redhat.com>
3171 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3172 taking a PATTERN of it.
3174 2000-04-26 <NeilB@earthling.net>
3176 * cpplex.c (spell_other, spell_char): Remove.
3178 (token_spelling, trigraph_map): Use unsigned chars.
3179 (_cpp_lex_line): Tidy up the switch statement.
3180 * cpplib.h: Implement spell_char with spell_string.
3183 2000-04-26 <RodneyBrown@pmsc.com>
3185 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3186 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3188 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3190 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3191 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3192 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3193 dwarf2out_return_save, dwarf2out_return_reg,
3194 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3195 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3196 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3198 * dwarf2out.h (dwarf2out_init): Likewise.
3200 * dwarfout.c (filename_entry, primary_filename, last_filename,
3201 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3203 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3204 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3205 dwarf2out_return_reg): Likewise.
3207 2000-04-26 Andreas Jaeger <aj@suse.de>
3209 * extend.texi (Function Attributes): Fix description of pure
3212 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3214 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3215 before calling rest_of_compilation.
3217 2000-04-26 Andreas Jaeger <aj@suse.de>
3219 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3222 2000-04-25 Richard Henderson <rth@cygnus.com>
3224 * cse.c (cse_insn): Emit barrier after unconditional jump.
3226 * calls.c (expand_call): Disable tail call generation once
3227 rtx_equal_function_value_matters is false.
3229 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3232 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3234 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3236 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3238 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3239 is the primary DIE for a member function.
3240 (gen_decl_die): Call set_decl_origin_self here.
3241 * dwarfout.c (output_decl): And here.
3242 * integrate.c (output_inline_function): Not here.
3243 Don't clear DECL_INLINE until after calling rest_of_compilation.
3244 (set_decl_origin_self): No longer static.
3245 * tree.h: Add prototype.
3246 * toplev.c (note_deferral_of_defined_inline_function): Only write
3247 out abstract instance for actual inlines.
3249 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3251 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3252 EXTENDED_REGS only if TARGET_AM33.
3253 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3254 SP_REGS to register allocation and reloading unless absolutely
3256 (movsi3): Remove special-case of adding non-constants to SP.
3258 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3260 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3261 INCLUDES to search and does not provide any of its own. Also it
3262 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3263 parameters. Also it does not call AC_DEFINE.
3264 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3265 AC_DEFINE and provides for automatic entries for autoheader.
3266 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3268 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3269 so we can pass -I flags and include gansidecl.h/system.h in this
3272 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3274 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3277 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3278 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3280 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3281 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3282 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3283 for these macros. Clean up spacing and linewraps.
3285 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3287 * calls.c (expand_call): Use get_callee_fndecl.
3289 * print-tree.c (print_node): Print the chain of an _EXPR.
3291 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3292 Jim Wilson <wilson@cygnus.com>
3293 Andrew Haley <aph@cygnus.com>
3295 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3296 and gp save/restore problems.
3297 * config/ia64/crtend.asm: Add IA-64 unwind support.
3298 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3299 in fr_pad_size calculation.
3300 (save_restore_insns): Move PR save area. Correct uses of
3301 RTX_FRAME_RELATED_P.
3302 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3303 (ia64_expand_epilogue): Add eh_epilogue support.
3304 (ia64_function_prologue): Emit .prologue directive.
3305 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3306 (ia64_override_options): Set init_machine_status and
3307 mark_machine_status.
3308 (rtx_needs_barrier): Handle bsp reads and writes.
3309 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3310 New static variables.
3311 (process_set, process_for_unwind_directive): New functions.
3312 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3313 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3314 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3316 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3317 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3318 (struct machine_function): Define.
3319 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3321 2000-04-25 Bruce Korb <bkorb@gnu.org>
3323 * fixinc/Makefile.in: make the removal of old programs more
3325 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3326 install-bin and install-sh
3328 2000-04-25 Nick Clifton <nickc@cygnus.com>
3330 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3331 defined, define to return zero.
3332 (function_cannot_inline_p): If a function has any target
3333 specific attributes, then use the macro
3334 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3335 whether it can be inlined. If it cannot, issue a suitable
3338 * tm.texi: Add a new node 'Inlining' to document the new macro
3339 FUNCTION_ATTRIBUTE_INLINABLE_P.
3341 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3343 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3346 2000-04-25 Neil Booth <NeilB@earthling.net>
3348 Restore previous patch, plus the following fixes:
3350 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3351 flags, not CPP_OPEN_PAREN.
3352 * cpplex.c (expand_token_space, init_token_list,
3353 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3354 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3356 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3358 * config/i386/freebsd.h (INT_ASM_OP): Define.
3360 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3362 * loop.c (strength_reduce): Fix typo in the last checkin.
3364 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3366 * stor-layout.c (finalize_record_size): Simplify to use existing
3368 (compute_record_mode): No longer static.
3369 * tree.h (compute_record_mode): New declaration.
3371 2000-04-25 Neil Booth <NeilB@earthling.net>
3373 * Revert my patch below until cause of build failures
3376 2000-04-25 Richard Henderson <rth@cygnus.com>
3378 * combine.c (combine_instructions): Add missing argument
3381 * toplev.c (rest_of_compilation): Delay sibcall optimization
3382 until after emit_eh_context.
3384 2000-04-24 Nick Clifton <nickc@redhat.com>
3386 * combine.c (combine_instructions): Do not try to combine a
3387 sequence of insns when the second insn has been replaced by a
3390 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3392 * gcc.c (load_specs): New static function.
3393 (read_specs): Use it.
3395 * gcc.c (lookup_compiler): Make multiple passes for case
3396 insensitive filesystems.
3398 2000-04-24 Neil Booth <NeilB@earthling.net>
3400 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3401 * cpphash.h (_cpp_check_directive): new.
3402 * cpplex.c (handle_newline, cpp_free_token_list,
3403 init_trigraph_map, trigraph_ok, trigraph_replace,
3404 backslash_start, skip_block_comment, skip_line_comment,
3405 skip_whitespace, parse_name, parse_number, parse_string,
3406 copy_comment, _cpp_lex_line, spell_char, spell_string,
3407 spell_comment, spell_name, spell_other, _cpp_lex_file,
3408 _cpp_output_list): new.
3409 (expand_name_space): take length argument.
3410 (init_token_list): add comment list initialisation.
3411 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3412 instead of HSPACE_BEFORE.
3414 * cpplib.c (_cpp_check_directive): new
3415 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3416 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3417 (HSPACE_BEFORE): delete.
3418 (TTYPE_TABLE): rearrange.
3419 (struct cpp_toklist): update.
3421 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3424 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3425 argument form of AC_DEFINE.
3427 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3428 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3429 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3430 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3431 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3433 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3435 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3437 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3438 deduced.h): Use -isystem, not -I, for including system headers.
3440 2000-04-24 Nick Clifton <nickc@cygnus.com>
3442 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3443 the source register is the frame pointer or arg pointer.
3444 (addsi3_small_int): Disallow if source register is the frame
3445 pointer or arg pointer.
3447 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3449 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3450 call to AC_MSG_RESULT.
3452 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3454 * invoke.texi: Correct grammatical errors, document
3455 -fno-gnu-keywords as identical to -fno-asm for C++.
3457 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3459 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3460 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3461 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3462 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3463 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3465 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3466 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3467 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3468 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3471 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3473 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3474 (pop_alignment): Likewise.
3475 (handle_pragma_token): Likewise.
3477 2000-04-24 Robert Lipe <robertlipe@usa.net>
3479 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3481 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3483 * combine.c (try_combine): Update reg_nonzero_bits of
3484 newi2pat before newpat.
3486 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3488 * loop.c (strength_reduce): Simplify test to INSN_P.
3489 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3490 expressions instead of CONST_INT.
3491 (express_from_1): Likewise.
3493 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3495 * regs.h (reg_n_max): Don't declare.
3496 * flow.c (reg_n_max): Don't define.
3497 * regclass.c (renumber): Don't initialize to zero.
3498 (regno_allocated): Likewise.
3499 (reg_n_max): Define.
3500 (allocate_reg_info): Don't initialize unnecessarily.
3502 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3504 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3505 and blockage_p in the newly allocated attribute.
3507 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3509 * config/mn10300/mn10300.md (addsi): `inc4' on address
3510 registers does not modify cc, but `inc' on an extended
3513 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3515 * reload.c (find_equiv_reg): Checks all valueno regs
3516 as a reload_reg_p regs.
3518 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3520 * cpphash.c (collect_objlike_expansion): Add sanity check.
3521 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3522 the buffer is the empty string, return. Mark __DATE__ and
3523 __TIME__ as XCONST nodes, not MCONST.
3524 (_cpp_macroexpand): Avoid pushing an empty buffer.
3525 (funlike_macroexpand): Don't pop token_buffer here.
3527 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3529 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3530 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3531 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3532 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3533 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3534 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3535 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3537 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3539 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3542 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3544 * cpphash.h (struct definition): Move file, line, col members...
3545 (struct hashnode): ... here. Also add 'disabled' flag.
3546 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3547 T_IDENTITY. Remove T_DISABLED.
3550 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3551 (collect_expansion): Split into collect_objlike_expansion and
3552 collect_funlike_expansion.
3553 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3554 funlike_macroexpand.
3555 (_cpp_compare_defs): Rename compare_defs, make static.
3556 (_cpp_make_hashnode): Initialize hp->disabled.
3557 (macro_cleanup): Adjust for new token types. Clear
3559 (_cpp_create_definition): Move code here to determine what
3560 sort of macro it is, and code to check for redefinitions, from
3561 do_define. Implement a few simple cases without creating a
3563 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3564 Handle the simple cases.
3565 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3568 * cppinit.c (builtin_array): Change MCONST to XCONST
3570 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3571 fix check for disabled and function-like macros.
3572 * cpplib.c (do_define): Move most logic to
3573 _cpp_create_definition.
3574 (do_undef): Handle new special token types.
3576 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3578 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3579 of CONSTANT_P for mult_val; always use validate_change to update insn.
3581 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3583 * cpphash.c (trad_stringify, add_pat): New functions.
3584 (collect_expansion): Restore support for -traditional syntax.
3585 Use trad_stringify and add_pat.
3586 (_cpp_macroexpand): Restore support for -traditional semantics.
3587 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3588 get a COMMENT token.
3589 (_cpp_lex_token): Provide COMMENT tokens to caller if
3590 traditional and parsing_define_directive.
3591 (skip_comment): Warn about // comments if -Wtraditional.
3592 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3594 (do_undef): Don't warn about undefining EMPTY nodes.
3596 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3598 * loop.c (strength_reduce): Fix biv removal code.
3600 2000-04-22 Richard Henderson <rth@cygnus.com>
3602 * predict.c (estimate_probability): Examine both sides of
3603 a branch for no exits. Use 90% not 50% for predict taken.
3604 Reorg for one copy of note generation code.
3606 2000-04-22 Richard Henderson <rth@cygnus.com>
3608 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3610 2000-04-22 Richard Henderson <rth@cygnus.com>
3612 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3613 (output_clear): Likewise.
3614 (output_printf): Use va_copy.
3615 (vline_wrapper_message_with_location): Likewise.
3616 (v_message_with_decl): Likewise.
3617 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3618 * system.h (va_copy): Provide default implementation.
3620 2000-04-22 Richard Henderson <rth@cygnus.com>
3622 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3623 the collected condition is not a constant.
3625 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3627 * diagnostic.h: New file.
3629 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3631 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3632 various function prototypes.
3633 (diagnostic.h): #include.
3634 (struct output_buffer): Move into diagnostic.h.
3635 (get_output_prefix): Rename to output_get_prefix. Export.
3636 (init_output_buffer): Export. Break out. Ajust intialization.
3637 (output_space_left, output_append): Export.
3638 (output_newline): Rename to output_add_newline. Export.
3639 (output_clear): Nullify additional output_buffer fields.
3640 (output_puts): Rename to output_add_string. Export.
3641 (dump_output): Rename to output_flush_on. Export.
3642 (build_location_prefix): Constify return-type.
3643 (emit_output_prefix): Rename to output_emit_prefix. Export.
3644 (set_real_maximum_length): New function.
3645 (output_set_maximum_length): Ditto
3646 (output_clear): Ditto.
3647 (output_add_character): Ditto.
3648 (output_add_integer): Ditto.
3649 (output_add_space): Ditto.
3650 (output_format): Ditto.
3651 (output_printf): Adjust buffer initialization.
3652 (vline_wrapper_message_with_location): Ditto.
3653 (v_message_with_decl): Ditto. Adjust call to output_puts
3654 and get_output_prefix.
3655 (default_print_error_function): Adjust buffer intialization.
3657 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3659 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3662 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3664 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3667 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3669 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3670 accurate data about SP moves.
3672 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3674 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3675 aliases to AM33 registers.
3677 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3679 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3680 to all EXTENDED bitmaps.
3682 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3684 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3685 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3686 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3688 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3690 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3691 the operand is not constant.
3693 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3695 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3696 as a call-clobbered regs.
3698 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3700 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3702 * rtl.def: Update comment.
3703 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3704 * integrate.c (expand_inline_function): Likewise.
3705 * profile.c (branch_prob): Likewise.
3706 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3707 * print-rtl.c (print_rtx): Likewise.
3708 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3709 (reemit_notes): Likewise; also use enum insn_note.
3711 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3712 (place_field): Properly compute know and actual alignment.
3714 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3717 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3720 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3722 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3723 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3724 (collect_expansion): Rewrite to scan over a token list.
3725 Remove -traditional support.
3726 (collect_formal_parameters): Rename to collect_params; rewrite
3727 to scan over a token list.
3728 (_cpp_create_definition): Adjust to scan a token list.
3729 (_cpp_macroexpand): Remove -traditional support.
3730 (_cpp_compare_defs): Whitespace is now canonicalized.
3731 (comp_def_part): Delete function.
3733 * cpphash.h: Update prototypes.
3734 * cpplex.c (init_token_list): Don't set lineno if there is no
3736 (pedantic_whitespace): New function.
3737 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3738 consume a newline. Use pedantic_whitespace.
3739 (_cpp_lex_token): Remove support for -traditional macros.
3740 (_cpp_get_define_token): Delete.
3741 (_cpp_get_directive_token): Do the real work here. Use
3742 pedantic_whitespace.
3743 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3745 * cpplib.c (get_macro_name): Delete.
3746 (do_define): Read the entire line into pfile->directbuf, then
3747 feed the token list to _cpp_create_definition.
3748 * cpplib.h (HSPACE_BEFORE): new define.
3749 (struct cpp_reader): Add a toklist member, "directbuf".
3751 * predict.c (estimate_probability): New heuristic: if a jump
3752 branches around a block with no successors, predict it taken.
3753 Disentangle control flow.
3755 2000-04-20 Richard Henderson <rth@cygnus.com>
3757 * loop.c (emit_iv_add_mult): Revert last change.
3759 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3761 * cpplib.h (enum cpp_ttype): Add token types for all
3762 punctuators. Distinguish pp-numbers from valid C numbers.
3763 Give some tokens better names. Initialize from macro.
3764 (struct cpp_name, cpp_token, cpp_toklist): New data
3767 * cpplex.c (bump_column, expand_name_space,
3768 expand_token_space, init_token_list, cpp_output_list,
3769 _cpp_scan_line): New functions.
3770 (output_line_command): Add third argument, new line number.
3771 * cpphash.h: Update prototypes.
3772 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3775 2000-04-20 Richard Henderson <rth@cygnus.com>
3777 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3779 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3781 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3784 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3786 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3787 REG_EQUAL note explaining the calculated value.
3789 * calls.c (expand_call): Avoid unnecesary precalculation
3790 and outgoing parameters space guarding for sibling calls.
3791 (store_one_arg): Likewise.
3793 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3795 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3796 (rest_of_compilation): Write sibling dump file and account
3797 for time as jump time.
3798 * invoke.texi: Update documentation on dump flags.
3800 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3802 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3804 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3806 * cpphash.c (special_symbol): Represent an empty macro with
3807 "\r \r " not just "\r ".
3808 (_cpp_macroexpand): Correct condition for the foo ( ) special
3810 (unsafe_chars): Handle EOF as second argument.
3811 (push_macro_expansion): Simplify test for removing escape at
3812 end. Do not trim both escapes if there is no text in between.
3814 2000-04-19 Jim Blandy <jimb@redhat.com>
3816 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3817 of PTR_SIZE, when appropriate.
3819 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3821 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3822 (USE_ENUM_BITFIELDS): Fix typo.
3824 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3826 * stor-layout.c (place_field): Set rli->offset_align properly.
3828 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3830 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3831 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3832 PARM_BOUNDARY): Remove unnecessary casts.
3834 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3836 * calls.c (precompute_arguments): Remove must_preallocate and
3838 (expand_call): Update call of precompute_arguments.
3840 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3841 check_insn_for_givs): Break out from ...
3842 (strength_reduce) ... here; use for_every_insn_in_loop to call
3843 check_insn_for_givs.
3844 * loop.h (for_every_insn_in_loop): Declare.
3845 (loop_insn_callback): New type.
3847 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3849 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3852 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3854 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3857 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3859 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3861 * configure.in: Delete --disable-cpplib option and all
3862 references to cpp_main.
3863 * configure: Regenerate.
3864 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3865 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3866 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3867 cpp$(exeext). Add --no-headers to makeinfo command line when
3868 generating INSTALL. Install and uninstall cpp.1 manpage, not
3870 * install.texi: Delete all references to cexp.y/cexp.c.
3871 Delete ancient instructions for compiling GCC on 3b1.
3872 * INSTALL: Regenerate.
3874 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3875 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3876 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3878 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3879 which is no longer tested anywhere.
3881 * cppinit.c (handle_option): Don't run error message through
3884 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3886 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3887 * cpperror.c (hashtab.h): Now include.
3888 * cppexp.c (hashtab.h): Likewise.
3889 * cpplex.c (hashtab.h): Likewise.
3890 * cppfiles.c (hashtab.h): Likewise.
3891 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3892 to htab_find_slot_with_hash.
3893 * cpphash.c (hashtab.h): Now include.
3894 (_cpp_lookup_slot): INSERT is now enum insert_option.
3895 * cpphash.h (_cpp_lookup_slot): Likewise.
3896 * cppinit.c (hashtab.h): Include earlier.
3897 (initialize_builtins): Pass enum to htab_find_slot.
3898 * cpplib.c (hashtab.h): Now include.
3899 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3900 (do_pragma_poison, do_assert): Likewise.
3901 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3902 htab_find_slot_with_hash.
3903 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3904 * tree.c (type_hash_add): Likewise.
3905 (build1): Minor cleanup.
3907 * ggc-common.c: Add missing blanks.
3908 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3909 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3911 * stmt.c (mark_case_node): New function.
3912 (mark_case_nesting): Call it.
3914 * expmed.c (emit_store_flag): If comparing two-word integer
3915 with zero, can optimize NE, EQ, GE, and LT.
3917 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3918 * conflict.c: Minor cleanups.
3919 * optabs.c: Add blank line
3920 * simplify-rtx.c: Minor cleanups.
3922 2000-04-18 Stan Cox <scox@cygnus.com>
3924 * gengenrtl.c (genlegend): Fix misspelling.
3926 2000-04-18 Robert Lipe <robertlipe@usa.net>
3928 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3929 bitfields of the host compiler are not signed quantities.
3930 * config.in: Regenerate.
3931 * configure: Regenerate.
3932 * system.h (USE_ENUM_BITFIELDS): Added.
3933 (ENUM_BITFIELDS): Added.
3934 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3935 (SHORT_ENUM_BUG): Deleted.
3936 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3938 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3939 (CODE_FIELD_BUG): Likewise.
3940 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3942 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3944 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3946 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3949 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3951 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3952 * cpplib.c (do_include, do_import, do_include_next,
3953 read_line_number, detect_if_not_defined): Likewise.
3954 * cpphash.c (collect_expansion): Likewise.
3955 (special_symbol, _cpp_macroexpand): Check return from
3957 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3958 macros. Delete all uses.
3960 * gcc.dg/cpp-mi.c: Add two more test cases.
3961 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3963 2000-04-17 Richard Henderson <rth@cygnus.com>
3965 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3966 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3968 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3970 * function.c (expand_function_start): Use hard_function_value to
3971 compute the RTL to use for DECL_RESULT.
3973 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3975 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3976 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3977 x86_memory_mismatch_stall): New global variables.
3978 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3979 alloved; fix load penalties for Athlon.
3980 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3981 x86_memory_mismatch_stall): Declare.
3982 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3983 TARGET_MEMORY_MISMATCH_STALL): New.
3984 * i386.md (athlon scheduling parameters): Fix latencies according to
3985 Athlon Optimization Manual.
3986 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3988 (fsqrt instruction patterns): Set athlon_decode to direct.
3989 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3990 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3991 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3992 and TARGET_PARTIAL_REGISTER_STALL machines.
3993 (pushdf_nointeger): New pattern.
3994 (pushdf_integer): Rename from pushdf.
3995 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3996 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3998 2000-04-17 Richard Henderson <rth@cygnus.com>
4000 * loop.c (canonicalize_condition): Add WANT_REG argument.
4001 Stop the search if we match it.
4002 * expr.h (canonicalize_condition): Update decl.
4003 * predict.c (expected_value_to_br_prob): Use it. Track last
4004 expected value note.
4005 (find_expected_value): Remove.
4007 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4009 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4011 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4012 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4014 * configure.in: Call AC_FUNC_MMAP_FILE.
4015 * configure: Regenerate.
4016 * config.in: Regenerate.
4018 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4019 * fixinc/fixincl.c: Likewise.
4021 2000-04-17 Richard Henderson <rth@cygnus.com>
4023 * builtins.c (expand_builtin_expect): New.
4024 (expand_builtin): Call it.
4025 * builtins.def (BUILT_IN_EXPECT): New.
4026 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4027 * extend.texi: Document it.
4029 * predict.c (expected_value_to_br_prob): New.
4030 (find_expected_value): New.
4031 * basic-block.h (expected_value_to_br_prob): Declare.
4032 * toplev.c (rest_of_compilation): Invoke it.
4034 * rtl.h (NOTE_EXPECTED_VALUE): New.
4035 (NOTE_INSN_EXPECTED_VALUE): New.
4036 * rtl.c (note_insn_name): Update.
4037 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4038 cases; handle NOTE_INSN_EXPECTED_VALUE.
4040 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4042 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4043 leaf sibcall delay slot if flag_pic.
4044 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4046 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4050 * fixproto: If fix-header fails, exit with an error.
4052 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4054 * cse.c (struct check_depdendence_data): New.
4055 (check_dependence): New function.
4056 (invalidate): Use check_depdenence.
4058 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4060 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4061 UNITS_PER_WORD is unsigned.
4063 * tree.h (struct tree_common): Remove misleading comment.
4065 2000-04-16 Dave Pitts <dpitts@cozx.com>
4067 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4068 message in quotes. Otherwise, IBM's make program treats the '#' as the
4069 start of a comment and ignores the remainder of the line.
4071 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4073 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4074 * cexp.y (initialize_random_junk): Likewise.
4075 * cppfiles.c (find_include_file): Cast alloca return value.
4076 * cppinit.c (initialize_standard_includes): Likewise.
4077 * cpplib.c (cpp_define, cpp_undef): Likewise.
4078 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4079 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4080 * fold-const.c (CHARMASK): New.
4081 (real_hex_to_f): Use it.
4082 * real.c (CHARMASK): New.
4083 (etoasc, asctoeg): Use it.
4084 (asctoeg): EBCDIC lower case characters preceed upper case.
4086 * i370.c (mvs_add_label): Change spacing for coding conventions.
4087 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4088 outputing case vectors.
4089 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4090 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4091 since vector in in the data CSECT.
4092 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4093 * i370.md (Many patterns): Put the length in the XL directives.
4094 (movdi): Put back STM and MVC in definition.
4095 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4096 pattern using the TCA.
4097 * oe.h (CPP_SPEC): Added to allow trigraphs.
4098 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4099 not support the "long long" type.
4101 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4103 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4105 (mips_reg_mode_ok_for_base_p): Likewise.
4106 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4107 (REG_OK_FOR_INDEX_P): Define unconditionally.
4108 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4109 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4110 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4111 that GET_MODE_SIZE is unsigned.
4112 (mips_reg_mode_ok_for_base_p): Define.
4113 (mips_legitimate_address_p): Likewise. Adjust now
4114 that GET_MODE_SIZE is unsigned.
4115 (block_move_loop): Make the number of bytes unsigned.
4116 (expand_block_move): Likewise.
4117 (function_arg): Make the loop counter unsigned to match the
4120 2000-04-16 Richard Henderson <rth@cygnus.com>
4122 * rtl.h (enum insn_note): New enumeration. Subsume
4123 NOTE_INSN_DELETED and friends.
4124 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4125 * rtl.c (note_insn_name): Tweak string order.
4127 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4129 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4132 * cpplex.c (output_line_command): Remove debugging prints.
4133 (cpp_output_tokens): Don't write out a zero-length buffer or
4134 try to see if it has a newline in it.
4135 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4136 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4137 the end of the loop. Use memmove. Don't read past the end of
4138 the buffer. Remove trailing newlines from error messages.
4140 2004-04-16 Neil Booth <NeilB@earthling.net>
4142 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4143 * cpplib.c: Add new syntax flags to directive table, and
4146 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4148 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4151 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4153 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4154 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4156 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4158 * Makefile.in (ggc-page.o): Now includes toplev.h.
4159 * ggc-page.c (toplev.h): Now included.
4160 (gc_time): Remove declaration.
4161 (ggc_collect): TIME now long.
4162 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4164 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4166 * toplev.c: Make *_time variable long to reduce chance of overflow.
4167 (TIMEVAR): Likewise for `otime'.
4168 (print_time): Arg is now long; compute percentage in FP and round.
4169 * toplev.h (print_time): Arg is long.
4171 * tree.c: Minor whitespace changes.
4173 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4174 * configure: Rebuilt.
4175 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4176 (__fixunsxfDI): Renamed from __fixunsxfdi.
4177 (__fixunsdfDI): Renamed from __fixunsdfdi.
4178 (__fixunssfDI): Renamed from __fixunssfdi.
4179 (__floatdisf): Use proper type in REP_BIT macro.
4180 (__fixunsxfSI): Renamed from __fixunsxfsi.
4181 (__fixunsdfSI): Renamed from __fixunsdfsi.
4182 (__fixunssfSI): Renamed from __fixunssfsi.
4183 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4184 Change location of macros and upper-case some names as above.
4185 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4186 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4188 * varasm.c (assemble_variable): Add cast to remove warning.
4189 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4191 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4192 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4193 region number to -1.
4195 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4197 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4198 call unshare_all_rtl.
4200 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4202 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4204 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4205 Use .s1 not .s0 for all FP instructions.
4207 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4209 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4211 (safe_fwrite, output_line_command): New static functions.
4212 (cpp_expand_to_buffer): Now private to cpplib.
4213 (cpp_scan_buffer): Take a printer.
4215 * cpphash.h: Update prototypes.
4216 * cpplib.h: Update prototypes.
4218 (cpp_buffer): Remove last_nominal_fname.
4219 (cpp_reader): Remove lineno.
4221 * cppmain.c: Use a cpp_printer.
4222 * fix-header.c: No need to inhibit line commands. Call
4223 cpp_start_read with no printer.
4225 * cpperror.c (cpp_notice_from_errno): Provide default name.
4226 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4227 (find_include_file, cpp_read_file): Use make_IHASH.
4228 (file_cleanup): Set control_macro and clear
4229 input_stack_listing_current here.
4230 (_cpp_execute_include): Don't output entering-file marker.
4231 * cpphash.c (special_symbol): Look for the line number in the
4232 buffer, not the reader.
4233 (_cpp_macroexpand): No need to disable line commands.
4234 (_cpp_dump_definition): No need to generate line commands.
4235 (dump_hash_helper): Remove excess newline from output.
4236 * cppinit.c (dump_special_to_buffer): No need to generate line
4238 (cpp_printer_init): New.
4239 (cpp_start_read): Take a printer, and start it up if it's not
4240 NULL. No need to generate line commands.
4241 (cpp_finish): Expect no buffers stacked at all. Take a
4242 printer argument, and flush the output buffer if it's not
4244 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4245 Don't put two hashes at the beginning of an assertion.
4246 (cpp_get_token): Don't increment pfile->lineno or emit line
4247 commands here. Return EOF if there's no buffer when we get
4249 * cpplib.c (do_define, skip_if_group):
4250 No need to disable line commands.
4251 (_cpp_output_line_command): Delete function.
4252 (do_line): Don't emit line commands here, but set things up so
4253 they will be emitted if necessary. Use _cpp_fake_ihash to
4254 make unique nominal_fnames if necessary.
4255 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4256 with 0 for column, not -1.
4257 (_cpp_handle_eof): Don't set the control macro here. Don't
4258 clear input_stack_listing_current here. Don't emit line
4261 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4263 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4264 always, use the default SVR4 start address.
4266 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4267 (LINK_SHLIB_SPEC): Define.
4268 (LINK_START_DEFAULT_SPEC): Define.
4269 (LINK_OS_DEFAULT_SPEC): Define.
4271 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4273 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4274 __do_global_ctors to handle constructors.
4275 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4276 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4277 (STARTFILE_MVME_SPEC): Likewise.
4278 (STARTFILE_SIM_SPEC): Likewise.
4279 (ENDFILE_ADS_SPEC): Use crtend.
4280 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4281 (ENDFILE_MVME_SPEC): Likewise.
4282 (ENDFILE_SIM_SPEC): Likewise.
4283 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4284 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4285 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4286 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4287 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4288 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4289 (CRTSTUFF_T_CFLAGS_S): Define.
4290 * config/rs6000/eabi-ctors.c: Delete.
4292 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4295 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4299 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4301 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4302 plus mask size is smaller or equal to the mode size.
4304 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4306 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4309 * expr.c (reload.h): Now included.
4310 (emit_block_move): Set volatile_ok when checking for movstr.
4311 (emit_move_1): Check for replacements in addresses in multi-word case.
4312 * Makefile.in (expr.o): Now includes reload.h.
4314 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4315 Never have a LIBCALL end a basic block.
4316 (find_basic_blocks_1): Likewise.
4317 Reorganize CALL_INSN cases.
4319 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4321 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4323 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4324 completers from mov.ret instruction.
4326 2000-04-14 Richard Henderson <rth@cygnus.com>
4328 * fold-const.c (extract_muldiv): Don't distribute and widen
4329 multiply across plus for non-sizetype unsigned types.
4331 2000-04-14 Richard Henderson <rth@cygnus.com>
4333 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4334 If the original source is dead in the incr insn, it's dead now.
4336 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4338 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4339 see if DECL_BIT_FIELD needs to still be set.
4341 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4343 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4344 print_int_cst_octal with something that's not an INTEGER_CST.
4346 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4347 and not a SUBREG to a FLOAT rtl.
4349 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4351 * emit-rtl.c (try_split): Avoid infinite loop if the split
4352 results in a sequence that contains the original insn.
4354 2000-04-13 Andreas Jaeger <aj@suse.de>
4356 * config/mips/mips.c (expand_block_move): Pass alignment
4357 argument to move_by_pieces in bits, not bytes.
4359 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4360 __pic__ for little endian.
4362 2000-04-13 Andreas Jaeger <aj@suse.de>
4364 * config/i386/i386-protos.h: Add prototype for
4365 uno_comparison_operator.
4367 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4369 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4370 * calls.c (ECF_PURE): New flag.
4371 (emit_call_1): Handle ECF_PURE calls.
4372 (initialize_argument_information): Unset ECF_PURE flag too.
4373 (precompute_arguments): Precompute for ECF_PURE too.
4374 (expand_call): Handle ECF_PURE calls too.
4375 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4376 accept value of 2 as pure function.
4377 (emit_library_call_value, emit_library_call): Rename no_queue argument
4379 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4381 * tree.h (DECL_IS_PURE): New macro.
4382 (struct tree_decl): Add pure_flag.
4383 * c-common.c (enum attrs): Add attribute "pure".
4384 (init_attributes): Initialize attribute "pure"
4385 (decl_attributes): Handle attribute "pure".
4386 * extend.texi (Attribute "pure"): Document.
4387 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4389 (flags_from_decl_or_type): Support attribute "pure".
4391 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4393 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4394 the token except for numbers and identifiers.
4396 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4398 * i386.c (ix86_expand_binary_operator,
4399 ix86_expand_unary_operator): Check no_new_pseudos
4400 instead of reload_in_progress and reload_completed.
4401 (ix86_split_ashldi, ix86_split_ashrdi,
4402 ix86_split_lshrdi): Check no_new_pseudos instead
4403 of reload_completed.
4405 2000-04-12 Jeffrey A Law (law@cygnus.com)
4407 * function.c (purge_addressof): Unshare any shared rtl created by
4408 purge_addressof and its children.
4410 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4412 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4415 2000-04-05 Andreas Jaeger <aj@suse.de>
4417 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4418 not compiling PIC code, add flags for mabi=64.
4419 (SUBTARGET_CPP_SIZE_SPEC): New.
4420 (SUBTARGET_CPP_SPEC): New.
4421 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4422 for MIPS/Linux and lots of code needs these defines.
4424 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4426 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4427 trying the "opposite arithmetic" approach.
4429 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4431 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4432 (struct sh_args): Add new field force_mem.
4433 (INIT_CUMULATIVE_ARGS): Initialize it.
4434 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4436 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4438 * calls.c (expand_call): Do not reverse args in "equal from" field.
4439 (emit_library_call_value_1): Emit_libcall_block for const and pure
4442 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4444 * reload1.c (reload_combine): Don't enable optimization for fixed
4445 registers when encountering a BARRIER.
4447 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4449 * builtins.c (expand_builtin_memcmp): Do expansion even with
4450 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4452 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4453 stack is propertly aligned; add sanity checking for aligned
4455 (expand_library_call_value_1): Add sanity checking for aligned
4458 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4460 * calls.c (emit_library_call_value_1): Change 3rd arg to
4461 locate_and_pad_parm to disregard the setting of partial.
4463 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4465 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4467 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4468 CALL_INSN from the normal case.
4470 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4472 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4473 New global variables.
4474 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4476 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4478 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4479 TARGET_ADD_ESP_8): New macros.
4480 * i386.md: Add peep2s to convert esp adjustments to push and pop
4482 (pushsi_prologue, popsi_epilogue): New patterns.
4484 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4486 * real.c (toe64): Remove stale #endif from the last change.
4488 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4490 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4491 * real.c (toe64): Revert previous change.
4493 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4495 * objc/objc-act.c: Include ggc.h.
4496 (objc_tree_index, objc_global_trees): Convert most of the
4497 static tree variables into a static array with previous names
4499 (objc_ellipsis_node): New variable.
4500 (lang_init): Call objc_act_parse_init and c_parse_init.
4501 Create objc_ellipsis_node.
4502 (build_selector_translation_table): Use objc_ellipsis_node instead
4504 (hack_method_prototype): Likewise.
4505 (get_arg_type_list): Likewise.
4506 (start_method_def): Likewise.
4507 (continue_method_def): Likewise.
4508 (gen_method_decl): Likewise.
4509 (ggc_mark_imp_list): New function.
4510 (ggc_mark_hash_table): New function.
4511 (objc_act_parse_init): New function.
4512 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4513 * c-parse.in (c_parse_init): For objc add roots of objc specific
4514 local tree variables.
4515 * objc/objc-parse.y: Rebuilt.
4516 * objc/objc-parse.c: Rebuilt.
4517 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4519 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4521 * cse.c (delete_trivially_dead_insns): Also delete insns
4522 that copy a register to itself where the destination is
4525 2000-04-11 Richard Henderson <rth@cygnus.com>
4527 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4528 (propagate_block): Initialize them. Use them in parallel instead
4529 of one tmp variable, ie revert much of the 0408 and 0407 functional
4530 changes, but keep the structural changes.
4531 (mark_set_regs): Take new_dead from propagate_block_info instead.
4532 (mark_set_1, mark_set_reg): Likewise.
4533 (mark_used_regs): Likewise with new_live.
4534 (mark_used_reg): Likewise. Revert 0408 change.
4536 2000-04-11 Nick Clifton <nickc@cygnus.com>
4538 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4540 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4542 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4544 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4545 const section to output a CONSTRUCTOR based on the same conditions
4548 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4550 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4551 * pa/pa-protos.h (output_call): Add additional argument indicating
4552 if the call is a sibling/tail call.
4553 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4554 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4555 (function_arg, function_arg_partial_nregs): Likewise
4556 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4557 (emit_move_sequence): Zero extend certain constants as needed
4559 (compute_zdepdi_operands, output_64bit_and): New functions.
4560 (output_64bit_ior, function_arg): Likewise.
4561 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4562 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4563 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4564 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4565 (output_bvb): Likewise.
4566 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4567 (output_call): New argument 'sibcall'. Generate sibcall sequences
4569 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4570 (ouput_arg_descriptor): Do not emit argument descriptors for
4572 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4574 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4575 (FUNCTION_OK_FOR_SIBALL): Define.
4576 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4577 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4578 (CPP_SPEC): Use new spec infrastructure.
4579 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4580 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4581 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4582 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4583 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4584 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4585 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4586 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4587 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4588 (FUNCTION_ARG); Call out to C code.
4589 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4590 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4591 (MIN_UNITS_PER_WORD): Likewise.
4592 * pa/pa.md (cmpdi): New expander.
4593 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4594 (64bit conditional arithmetic): New patterns.
4595 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4596 (movsicc): Not available if modes on all the operands to not match.
4597 (movdicc): New expander and associated patterns.
4598 (64bit branches): New patterns.
4599 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4600 (pre_ldd, post_std): New patterns.
4601 (64bit addil, load low part): New patterns.
4602 (special movsf constant): Not available for TARGET_64BIT.
4603 (movsf, movdf expanders): Force constants into memory.
4604 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4605 (64bit movdf/movdi patterns): New patterns.
4606 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4608 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4609 (adddi3 expander): Allow "arith_operand" for second input.
4610 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4611 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4612 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4613 (muldi3): New expander for TARGET_64BIT.
4614 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4616 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4617 patterns for TARGET_64BIT.
4618 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4619 patterns for TARGET_64BIT.
4620 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4621 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4622 (sibcall_epilogue): New expander.
4623 (casesi): Tweak for TARGET_64BIT.
4624 (call expanders): Set & use the outgoing argument pointer. Use the
4625 64bit call patterns as needed. Add additional arg to output_call.
4626 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4627 (sibcall, sibcall_internal_symref): New expanders.
4628 (sibcall_value, sibcall_value_internal_symref
4629 (interspace_jump): Turn into an expander + matching patterns.
4630 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4631 * pa/pa64-regs.h: Eliminate trigraph sequences.
4632 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4634 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4636 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4637 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4638 cpp_token with cpp_ttype everywhere.
4639 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4640 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4641 CPP_BUF_COL. Line and column numbers are unsigned int, not
4643 * cpplex.c (cpp_buf_line_and_col): Delete.
4644 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4645 'long lineno' to 'unsigned int lineno'.
4646 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4648 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4650 * extend.texi: ISO C99 is not a draft anymore.
4651 * invoke.texi: ISO C++ is not a draft anymore.
4652 * cpp.texi: __cplusplus is required by the ISO standard.
4654 * extend.texi (-fthis-is-variable): Undocument.
4655 * flags.h (warn_template_debugging): Remove declaration.
4656 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4657 -Wenum-clash, -Wtemplate-debugging): Undocument.
4659 2000-04-10 Nick Clifton <nickc@cygnus.com>
4661 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4663 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4665 (ARM_SIGN_EXTEND): Use HOST_UINT.
4666 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4667 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4668 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4669 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4671 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4672 (arm_gen_constant): Use HOST_UINT.
4673 (arm_canonicalize_constant): Use HOST_UINT.
4674 (arm_reload_in_hi): Use HOST_UINT.
4675 (arm_reload_out_hi): Use HOST_UINT.
4676 (output_multi_immediate): Use HOST_UINT.
4677 (int_log2): Use HOST_UINT.
4678 (arm_poke_function_name): Use HOST_UINT.
4679 (arm_output_epilogue): Use arm_volatile_func().
4680 (output_thumb_prologue): Use arm_strip_name_encoding().
4682 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4684 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4685 of sequence point problems.
4687 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4689 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4691 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4693 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4695 * sbitmap.h: Whitespace changes and use upper-case macro args.
4696 (struct simple_bitmap_def): All sizes now unsigned.
4697 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4698 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4699 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4700 (sbitmap_zero): Cast bzero arg to PTR.
4701 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4702 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4703 loop to make structure clearer.
4704 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4705 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4706 (sbitmap_a_and_b_or_c): Likewise.
4707 (sbitmap_intersection_of_succs): Minor cleanups.
4708 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4709 (sbitmap_union_of_preds): Likewise.
4710 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4711 (debug_sbitmap): New function.
4713 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4714 * c-typeck.c (convert_for_assignment): Likewise.
4716 * expmed.c (init_expmed): Don't free objects we make.
4717 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4719 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4720 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4722 * gcse.c (expr_hash_table_size): Now unsigned.
4723 (compute_ae_gen): Local variable `i' now unsigned.
4724 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4725 (compute_transout, hoist_code): Likewise.
4726 (compute_local_properties): Likewise, also hash_table_size.
4727 (alloc_expr_hash_table): N_INSNS now unsigned.
4728 (delete_null_pointer_checks): Mark arg F as unused.
4730 * regrename.c: Minor cleanups, including chang some variables
4733 2000-04-10 Neil Booth <NeilB@earthling.net>
4735 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4737 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4739 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4741 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4742 __classof__, and __headof__ from the list of gnu keywords.
4743 (-ansi): Remove -foperator-names from list of implied options.
4744 Do not call it ANSI C++.
4745 (-foperator-names): Document as -fno-operator-names.
4747 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4749 * cpphash.c (timestamp): Delete.
4750 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4751 (special_symbol): Remove unnecessary braces. Remove
4752 T_VERSION. Treat T_STDC like T_CONST unless
4753 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4754 when one is encountered, then convert them into T_MCONST
4756 * cppinit.c (builtin_array): version_string is T_MCONST.
4757 __STDC__ has a "1" in its cpval. Don't have a terminator
4758 entry. Clean up which entries are dumped.
4759 (initialize_builtins): Only __STDC__ gets the special
4760 -traditional treatment. Count the length of builtin_array.
4761 Render version_string here.
4762 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4763 * cpplib.h (struct cpp_reader): Remove timebuf.
4765 2000-04-09 Richard Henderson <rth@cygnus.com>
4767 * genrecog.c (pred): Update comparison_operator for the unordered
4770 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4772 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4773 (uno_comparison_operator): New.
4774 (put_condition_code): Handle UNORDERED/ORDERED.
4775 (unsigned_comparison): Likewise.
4776 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4777 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4778 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4779 update all callers. Handle all 8 unordered operators.
4780 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4781 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4782 * config/i386/i386.h (PREDICATE_CODES): Update.
4783 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4784 (ix86_expand_branch, ix86_expand_setcc): Update.
4785 * config/i386/i386.md (sunordered, sordered): New.
4786 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4787 (bunordered, bordered): New.
4788 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4789 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4790 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4792 2000-04-09 Philip Blundell <philb@gnu.org>
4794 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4796 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4798 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4799 fix_truncxfhi2): New patterns.
4800 * i386.c (output_fix_trunc): Handle converting to HImode.
4802 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4804 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4806 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4807 (for_each_successor_phi): Change parameter to basic_block.
4808 (coalesce_regs_in_successor_phi_nodes): Likewise.
4809 (coalesce_regs_in_copies): Likewise.
4810 (compute_coalesced_reg_partition): Use basic_block instead of index.
4811 * rtl.h (convert_to_ssa): Delete.
4812 (convert_from_ssa): Likewise.
4813 (successor_phi_fn): Likewise.
4814 (for_each_successor_phi): Likewise.
4815 (in_ssa_form): Likewise.
4816 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4817 (convert_from_ssa): Likewise.
4818 (successor_phi_fn): Likewise.
4819 (in_ssa_form): Likewise.
4820 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4821 * flow.c (calculate_global_regs_live): Pass a basic_block to
4822 for_each_successor_phi.
4824 2000-04-08 Richard Henderson <rth@cygnus.com>
4826 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4827 was modified in the current insn.
4829 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4831 * arm/thumb.md: Delete.
4832 * arm/thumb-protos.h: Delete.
4834 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4836 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4838 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4840 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4843 * arm.md (nop): Use the standard RTL expression. Don't code as a
4845 (*arm_nop, *thumb_nop): Delete.
4847 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4848 constants. Use casts instead.
4849 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4850 output_multi_immediate, arm_poke_function_name): Likewise.
4851 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4852 MASK_RETURN_ADDDR): Likewise.
4854 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4856 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4859 * arm.md (eh_epilogue): New function.
4860 * arm.h (struct machine_function): Move to here ...
4861 * arm.c: ... from here.
4862 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4863 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4864 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4866 2000-03-30 Nick Clifton <nickc@cygnus.com>
4868 * config/arm/semi.h (ASM_SPEC): Restore definition.
4869 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4871 * config/arm/elf.h (ASM_SPEC): Restore definition.
4872 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4874 * config/arm/arm.h (ASM_SPEC): Remove definition.
4875 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4877 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4879 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4881 2000-03-24 Nick Clifton <nickc@cygnus.com>
4883 Various formating tidyups, elimination of compile time
4884 warnings and synchronisation with internal sources:
4886 * config/arm/arm-protos.h (assemble_align): Add prototype.
4887 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4888 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4889 (arm_return_addr_rtx): Rename to arm_return_addr.
4891 * config/arm/arm.c: Include except.h.
4892 Define shorter typenames for strict minipool_node and struct
4894 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4896 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4897 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4899 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4901 (ASM_SPEC): Define if not already defined.
4902 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4904 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4905 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4906 arm_gen_compare_reg.
4907 (indirect_jump): Only accept register operands.
4908 (load_indirect_jump): Keep this pattern since combine can generate
4911 * config/arm/coff.h: Include aout.h.
4912 (MULTILIB_DEFAULTS): Only define if not already defined.
4914 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4915 into arm.h (so that COFF ports can support thumb based aliases).
4916 (ASM_SPEC): Move definition into arm.h
4918 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4919 redundant apcs spec.
4920 (ASM_SPEC): Move definition to arm.h
4922 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4924 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4925 for entries in the .bss section
4927 2000-03-23 Nick Clifton <nickc@cygnus.com>
4929 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4930 to thumb_far_jump_used_p.
4932 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4933 single integer parameter.
4935 * config/arm/arm.c (struct machine_function): Add two new
4936 fields, 'far_jump_used' and 'arg_pointer_live'.
4937 (thumb_far_jump_used_p): Once the decision has been made that
4938 far jumps might be used, always return true.
4939 If being called from the initial elimination offset macro then
4940 do not bother to perform the test if the arg pointer is not
4942 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4943 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4945 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4947 * arm.c (output_return_instruction): Handle more cases where we can
4948 return from a function with an ldr instruction.
4949 (arm_output_epilogue): Likewise.
4951 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4952 if we need to push a large stack frame and there are no callee-saved
4955 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4956 in ARM code if the frame pointer has been eliminated.
4958 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4959 unspec_volatile arguments to avoid duplicates.
4960 (consttable_1, consttable_2): Fixes for big-endian mode.
4962 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4965 Re-write constant pool code.
4966 * arm.c (minipool_node, minipool_fix): New types.
4967 (minifix): Delete type.
4968 (arm_add_minipool_constant): Delete.
4969 (arm_compute_minipool_offsets, arm_find_barrier,
4970 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4971 (get_jump_table_size): Now returns HOST_WIDE_INT.
4972 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4974 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4975 (assign_minipool_offsets, arm_print_value): Likewise.
4976 (dump_minipool): Rewrite.
4977 (arm_barrier_cost): New function.
4978 (create_fix_barrier): New function.
4979 (push_minipool_barrier): New function.
4980 (push_minipool_fix): Record additional information about the fixup
4982 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4983 check the mode of what needs fixing.
4984 (arm_reorg): Rewrite.
4986 2000-03-08 Nick Clifton <nickc@cygnus.com>
4988 * config/arm/arm.md (indirect_jump): Force constant addresses into
4991 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4993 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4995 2000-02-24 Nick Clifton <nickc@cygnus.com>
4997 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4998 adjust is word aligned.
4999 (thumb_expand_epilogue): Make sure that stack adjust is word
5002 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5004 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5006 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5007 pointer relative addresses.
5009 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5011 * arm.c (find_barrier): Find the last barrier within the allowed
5014 2000-02-09 Nick Clifton <nickc@cygnus.com>
5016 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5018 2000-02-09 Nick Clifton <nickc@cygnus.com>
5020 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5021 ARM_FUNCTION_PROFILER.
5023 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5024 ARM_FUNCTION_PROFILER.
5026 * config/arm/linux-oldld.h: Imported from mainline sources.
5028 2000-02-07 Nick Clifton <nickc@cygnus.com>
5030 * config/arm/lib1funcs.asm: Merge in thumb functions from
5033 * config/arm/lib1thumb.asm: Delete.
5035 2000-02-04 Nick Clifton <nickc@cygnus.com>
5037 * config/arm/arm.c: Sychronised with current Red hat local
5039 * config/arm/arm.h: Ditto.
5040 * config/arm/arm-protos.h: Ditto.
5042 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5044 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5046 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5049 2000-02-02 Nick Clifton <nickc@cygnus.com>
5051 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5053 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5054 (return) was emited using an emit_insn() call.
5056 2000-01-31 Nick Clifton <nickc@cygnus.com>
5058 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5060 (thumb_exit): Move frame pointer back into hard frame pointer
5061 register if backtracing is being used.
5063 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5065 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5068 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5070 * config/arm/arm.md (neg_pool_offset): Provide default for new
5072 (arm_movsi_insn): Add neg_pool_offset attribute.
5073 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5074 rtx for the insn that starts the scan and an unsigned long for its
5075 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5076 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5077 instructions in *PINSERTED.
5078 (struct minipool_fixup): Add MIN_ADDRESS elt.
5079 (sort_fixups): Compute it.
5080 (arm_reorg): Changes to support inserting pools before the insn to be
5083 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5085 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5086 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5087 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5089 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5091 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5093 (TARGET_DEFAULT): Do not define if already defined.
5095 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5097 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5098 (iordi3): Allow disjoint source operands.
5099 (xordi3): Allow disjoint source operands.
5100 (negdi2): Permit construction for ARM and Thumb.
5101 (arm_negdi2): Renamed version of old negdi2 pattern.
5102 (thumb_negdi2): New pattern: Only permit non-overlapping
5103 source and destination.
5105 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5107 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5108 scratch low register so that it will not be deleted.
5110 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5112 * config/arm/pe.h (ARM_PE): Define.
5114 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5115 interfacearm attribute if this is a PE toolchain.
5116 (output_return_instruction): Do not emit anything if the function
5117 has the naked attribute set.
5118 (is_called_in_ARM_mode): If the function has the interfacearm
5119 attribute then return true.
5120 (thumb_expand_prologue): Do not generate a prologue for naked
5122 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5124 (output_thumb_prologue): Do not bother if the function is naked.
5125 Strip PE encoding from function name before emitting.
5127 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5129 * arm.md (pic_load_addr): Fix constraints.
5131 * arm.md (casesi_insn): Fix mis-applied patch.
5133 * arm.md ("core" function unit): Add rules for single- and
5135 (All TARGET_THUMB patterns): Add "type" attribute information
5137 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5138 the following insn is a CALL.
5140 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5142 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5143 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5144 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5146 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5148 * config/arm/linux-gas.h: oops - this file was missed out when the
5149 branch was created...
5151 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5153 * thumb.c: Deleted. Move contents to ...
5155 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5157 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5160 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5161 declare a prototype for asm_output_align();
5163 * arm.c (thumb_condition_code): Delete.
5164 (arm_print_operand): Always use arm_condition_code array.
5166 * arm.c (thumb_return_addr_rtx): Delete.
5167 (arm_save_machine_status, arm_restore_machine_status): Delete.
5168 (arm_init_machine_status, arm_mark_machine_status): New functions.
5169 (arm_init_expanders): Update accordingly.
5170 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5171 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5172 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5174 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5176 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5178 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5181 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5183 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5184 stack backtrace structure.
5186 * config/arm/arm-protos.h: Add prototypes for functions defined in
5189 * config/arm/arm.c (arm_override_options): Fix selection of
5190 attributes of default processor.
5192 * config/arm/coff.h: Delete needless #include.
5194 * config/arm/pe.c: Delete unused code.
5196 * config/arm/pe.h (CPP_DEFINES): Delete
5197 (SUBTARGET_CPP_SPEC): Define.
5198 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5200 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5202 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5204 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5206 (CAN_DEBUG_WITHOUT_FP): Define.
5207 (FIXED_REGISTERS): Make r11 call-saved.
5208 (CALL_USED_REGISTERS): Likewise.
5209 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5210 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5211 frame-pointer is required.
5212 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5213 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5214 if the target normally needs a stack frame in non-leaf functions.
5215 (use_return_insn): Correct logic for determining when a return
5216 instruction can be used.
5217 (output_return_instruction): Handle the frame-pointer register as
5218 a normal register when not TARGET_APCS_FRAME.
5219 (arm_output_prologue): Likewise.
5220 (arm_output_epilogue): Likewise.
5221 (output_func_epilogue): Likewise.
5222 (arm_expand_prologue): Likewise.
5223 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5225 * arm.c (use_return_insn): No need to check floating point regs if
5227 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5228 the code of value stored in the minipool array.
5229 (arm_add_minipool_constant): Likewise.
5231 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5233 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5235 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5237 * tree.c (tree_expr_nonnegative_p): New function.
5239 * tree.h (tree_expr_nonnegative_p): Declare.
5241 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5242 elide some sign_compare warnings.
5243 (build_conditional_expr): Likewise.
5245 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5247 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5249 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5250 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5251 operand. Abort if a 387 operand has an unsupported size.
5253 2000-04-08 Neil Booth <NeilB@earthling.net>
5255 * cppexp.c (parse_charconst): Null does not end character
5257 * cppinit.c (ISTABLE): Null character handled as whitespace.
5258 * cpplex.c (null_warning): new function.
5259 (skip_string): Emit warning if nulls encountered.
5260 (_cpp_skip_hspace): Emit warning if nulls encountered.
5261 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5265 2000-04-07 Richard Henderson <rth@cygnus.com>
5267 * flow.c (loop_depth): Remove.
5268 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5269 (struct propagate_block_info): New.
5270 (life_analysis): Don't allocate reg_next_use.
5271 (propagate_block_delete_insn): Break out of propagate_block.
5272 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5273 (propagate_block_delete_libcall): Likewise.
5274 (propagate_block): Create a propagate_block_info struct to pass
5275 to subroutines. Allocate one not two temporary regsets. Don't
5276 clobber memory for const calls. Look for clobbers in
5277 CALL_INSN_FUNCTION_USAGE.
5278 (mark_set_regs): Recognize COND_EXEC.
5279 (mark_set_reg): Break out of mark_set_1.
5280 (mark_used_reg): Break out of mark_used_regs.
5281 (mark_used_regs): Recognize COND_EXEC.
5282 (insn_dead_p): Use propagate_block_info struct.
5283 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5284 (find_auto_inc, try_pre_increment_1): Likewise.
5285 (print_rtl_with_bb): Dump regs live at end too.
5286 (count_reg_sets_1): Pass in loop_depth.
5287 (count_reg_sets, count_reg_references): Likewise.
5288 (recompute_reg_usage): Provide it.
5290 2000-04-07 Richard Henderson <rth@cygnus.com>
5292 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5295 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5297 * cpplib.c (do_elif): Skip the rest of the line if we're
5298 not going to bother evaluating it.
5299 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5300 to avoid pointless calls to the lexer.
5302 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5304 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5306 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5308 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5310 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5312 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5314 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5316 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5317 crtend so they can be multilibbed.
5318 (STAGESTUFF): Remove s-crt and s-crtS.
5320 2000-04-07 Richard Henderson <rth@cygnus.com>
5322 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5323 if we discover we need a pseudo and no_new_pseudos is true.
5324 * config/alpha/alpha.md (ne:DI insn): New.
5325 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5327 2000-04-07 Richard Henderson <rth@cygnus.com>
5329 * rtl.def (COND_EXEC): New.
5330 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5331 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5333 * genconfig.c (have_cond_arith_flag): Remove.
5334 (have_cond_exec_flag): New.
5335 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5336 (main): Print HAVE_conditional_execution.
5338 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5339 (sched_analyze_insn, print_pattern): Likewise.
5340 * reload.c (find_equiv_reg): Likewise.
5341 * rtlanal.c (reg_referenced_p): Likewise.
5342 (note_stores, dead_or_set_regno_p): Likewise.
5343 (reg_overlap_mentioned_p): Rewrite to use a switch.
5345 * ggc.h (struct rtx_def): Forward declare.
5347 * print-rtl.c (debug_rtx_range): New.
5348 * rtl.h (debug_rtx_range): Declare.
5350 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5352 * gcse.c (gcse_main): Don't rebuild the CFG here.
5353 (delete_null_pointer_checks): Likewise.
5354 * ssa.c (convert_to_ssa): Likewise.
5355 * toplev.c (rest_of_compilation): Do it here instead. Combine
5356 sequential calls to TIMEVAR. Consistently use `insns' instead of
5357 `get_insns()'. Always split insns after reload when optimizing.
5359 * basic-block.h (merge_blocks_nomove): Declare.
5360 (tidy_fallthru_edge): Declare.
5361 * flow.c (merge_blocks_nomove): Document as merging into previous
5362 blocks. Remove cruft from between blocks; remove all edges out of A.
5363 (tidy_fallthru_edge): Export.
5365 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5367 * ssa.c (compute_conservative_reg_partition): Declare with
5369 * toplev.c (clean_dump_file): Remove previously-deleted function
5370 inadvertantly merged back in.
5371 * conflict.c (conflict_graph_add): Use a single call to
5372 htab_find_slot to look up and insert.
5374 2000-04-06 Richard Henderson <rth@cygnus.com>
5376 * genrecog.c (*): Rename _last_insn to last_insn.
5377 (make_insn_sequence): Set the position of the peephole2 C test
5378 to be at the last insn.
5380 2000-04-06 Richard Henderson <rth@cygnus.com>
5382 * flow.c (compute_flow_dominators): Free worklist.
5384 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5386 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5388 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5390 * rtl.h (INSN_P): New macro.
5391 (successor_phi_fn): New typedef.
5392 (for_each_successor_phi): New prototype.
5393 (in_ssa_form): New variable.
5394 (PHI_NODE_P): Likewise.
5395 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5396 phi nodes in successors.
5397 (mark_used_regs): Add PHI case.
5398 (set_phi_alternative_reg): New function.
5399 (life_analysis): Assert that dead code elimination is not selected
5401 * toplev.c (to_ssa_time): New variable.
5402 (from_ssa_time): Likewise.
5403 (compile_file): Zero to_ssa_time and from_ssa_time.
5404 Print time to convert to and from SSA.
5405 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5406 (print_time): Compute percent fraction as integer.
5407 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5408 (convert_to_ssa): Check if we're already in SSA.
5409 Don't eliminate dead code in life_analysis.
5410 Rerun flow and life analysis at bottom.
5411 (eliminate_phi): Use canonical regnos when adding nodes.
5412 (mark_reg_in_phi): New function.
5413 (mark_phi_and_copy_regs): Likewise.
5414 (convert_from_ssa): Rerun life analysis at top.
5415 Use coalesced partition.
5416 Check for removing a phi node at the end of the block.
5417 (compute_coalesced_reg_partition): New function.
5418 (coalesce_regs_in_copies): Likewise.
5419 (coalesce_reg_in_phi): Likewise.
5420 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5421 (for_each_successor_phi): Likewise.
5422 (rename_context): New struct.
5423 (rename_block): Use a rename_context with rename_insn_1. When
5424 renaming sets of a subreg, emit a copy of the entire reg first.
5425 (rename_insn_1): Treat data as a rename_context *. Save current
5427 (rename_set_data): Add field set_insn.
5428 * Makefile.in (HASHTAB_H): Move up in file.
5429 (OBSTACK_H): New macro.
5430 (collect2.o): Use OBSTACK_H in dependencies.
5431 (sdbout.o): Likewise.
5432 (emit-rtl.o): Likewise.
5433 (simplify-rtx.o): Likewise.
5434 (fix-header.o): Likewise.
5435 (OBJS): Add conflict.o.
5436 (conflict.o): New rule.
5437 * basic-block.h: Include partition.h.
5438 (conflict_graph): New typedef.
5439 (conflict_graph_enum_fn): Likewise.
5440 (conflict_graph_new): New prototype.
5441 (conflict_graph_delete): Likewise.
5442 (conflict_graph_add): Likewise.
5443 (conflict_graph_conflict_p): Likewise.
5444 (conflict_graph_enum): Likewise.
5445 (conflict_graph_merge_regs): Likewise.
5446 (conflict_graph_print): Likewise.
5447 (conflict_graph_compute): Likewise.
5448 * conflict.c: New file.
5450 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5452 * tlink.c (read_repo_files): Don't look for .rpo info for
5455 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5457 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5459 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5461 * config/sh/lib1funcs.asm (___udivsi3_i4):
5462 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5463 only depends on FMOVD_WORKS.
5465 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5467 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5468 make double constant 8-byte aligned.
5470 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5472 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5473 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5474 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5475 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5476 Accept storing GENERAL_REGS into offsetable memory.
5477 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5478 building a TFmode constant other than 0.0L into GENERAL_REGS.
5480 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5482 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5484 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5486 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5487 (macro_cleanup): No need to cast pbuf->macro.
5488 (collect_expansion): Use _cpp_get_define_token. Goto done if
5489 it returns VSPACE. Remove check for trailing space after
5491 (_cpp_create_definition): Don't diddle flags here. Return
5493 (unsafe_chars): Handle c1 being EOF.
5494 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5495 checks. Don't push the buffer till after we're done with
5497 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5498 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5499 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5501 (_cpp_parse_assertion): Don't NUL terminate.
5502 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5503 hspace before calling _cpp_parse_assertion. Remove all sets
5504 of only_seen_white. Treat '\f' as hspace. Don't do anything
5505 special with '\n' here.
5506 (maybe_macroexpand): Handle T_EMPTY hash entries without
5507 pushing a buffer at all.
5508 (cpp_get_token): Handle clearing only_seen_white here. Handle
5509 incrementing the line number here. Clear
5510 potential_control_macro as well as only_seen_white, if
5512 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5513 (_cpp_get_define_token): New function, basically like
5514 _cpp_get_directive_token was but doesn't eat horizontal space.
5515 Don't do anything with only_seen_white here.
5516 (_cpp_get_directive_token): Just call _cpp_get_define_token
5517 repeatedly till it returns non-hspace.
5519 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5520 (conditional_skip, skip_if_group): Return int.
5521 (DIRECTIVE_TABLE): Change origin of all conditional directives
5523 (TRAD_DIRECT_P): New macro.
5524 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5525 an error for a bogus directive, unless -lang-asm. Use
5526 TRAD_DIRECT_P. Loop calling handler functions till one returns
5528 (get_macro_name): Don't diddle flags here.
5529 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5530 Create T_EMPTY nodes for #define macro /* nothing */.
5531 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5532 Use hp->name when calling pass_thru_directive.
5533 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5534 Return the result of conditional_skip and/or skip_if_group.
5535 Don't call _cpp_output_line_command.
5536 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5537 Issue -Wtraditional warnings as appropriate. Don't complain
5538 about unrecognized directives. If we are to stop skipping,
5539 return the number of the directive that ended the skip.
5540 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5541 expansion and line commands while skipping. Return the result
5542 of consider_directive_while_skipping, if nonzero.
5543 (do_endif): Just set potential_control_macro here.
5544 (validate_else): Use _cpp_get_directive_token.
5545 (do_assert, do_unassert): Don't save pointers into the
5546 token_buffer across calls to the lexer. Use
5547 _cpp_get_directive_token.
5549 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5550 pointer, not an offset. Replace 'data', which was a generic
5551 pointer, with 'macro', which points to a struct hashnode.
5552 (cpp_reader): Add 'potential_control_macro' pointer.
5553 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5554 (CPP_BUF_GET, CPP_FORWARD): Delete.
5555 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5556 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5557 ACTIVE_MARK_P): Update.
5558 (_cpp_get_define_token): New internal function.
5559 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5561 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5563 * configure.in: And here.
5564 * configure: Regenerate.
5565 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5566 --enable-libstdcxx-v3 is passed at configure time.
5567 * config.h.in: Regenerate.
5569 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5571 * final.c (final): Use xcalloc to allocate line_note_exists.
5572 * function.c (free_after_compilation): Free the temp_slots.
5573 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5574 (combine_temp_slot): Free temp_slots when they get combined.
5575 (purge_addressof): Fix typo in comment.
5576 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5577 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5579 * ggc.h: Include varray.h.
5580 (ggc_pending_trees): Declare.
5581 (ggc_mark_tree_children): Remove declaration.
5582 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5583 * ggc-common.c (ggc_pending_trees): New variable.
5584 (ggc_mark_roots): Call ggc_mark_trees.
5585 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5586 the ggc_pending_trees.
5587 * Makefile.in (GGC_H): New variable. Use it throughout in place
5590 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5592 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5595 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5597 * sh.c (sh_insn_length_adjustment): New function.
5598 * sh-protos.h (sh_insn_length_adjustment): Declare.
5599 * sh.h (ADJUST_INSN_LENGTH): Use it.
5601 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5603 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5604 from the insn where REG_RETVAL is added.
5605 (emit_no_conflict_block): Ditto.
5607 * md.texi (Standard Names): Clarify when movX is needed.
5609 * combine.c (simplify_comparison) [MINUS]: Do not replace
5610 all (op (minus A B) 0) with (op A B).
5612 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5613 J"orn Rennecke <amylaar@cygnus.co.uk>
5615 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5616 (block_lump_real): Likewise.
5618 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5620 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5621 remaining non-zero debugging masks.
5623 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5625 * basic-block.h (verify_flow_info): Declare.
5626 (flow_loop_outside_edge_p): Declare.
5627 * flow.c (verify_flow_info): Remove declaration.
5628 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5630 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5632 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5635 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5637 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5638 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5639 seqdi_zero_trunc+1): Allow splits only if registers are
5642 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5644 * acconfig.h: Add HAVE_GAS_HIDDEN.
5645 * config.in: Regenerated.
5646 * configure.in: Add test for .hidden pseudo-op in gas.
5647 * configure: Regenerated.
5648 * crtstuff.c: Include auto-host.h.
5649 Emit additional .hidden pseudo-op for __dso_handle if the
5650 assembler knows about it.
5652 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5654 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5655 before freeing argnames.
5656 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5658 2000-04-05 Michael Meissner <meissner@redhat.com>
5660 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5661 Walton <jonboy@gordian.com> to make memory references with update
5662 work wtih -mregnames.
5664 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5666 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5667 (regrename_optimize): Rename variables `def_uses' and
5668 `ext_basic_blocks' to avoid conflicts with similarly named
5669 typedefs in traditional C.
5671 * calls.c (initialize_argument_information): Fix typo in previous
5674 2000-04-04 Richard Henderson <rth@cygnus.com>
5676 * regrename.c (consider_available): Test fixed_regs not
5677 PIC_OFFSET_TABLE_REGNUM.
5679 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5681 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5683 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5684 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5685 (ENDFILE_LINUX_SPEC): Always use crtend.
5686 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5687 (powerpc-*-linux-gnu): Likewise.
5688 * configure: Regenerate.
5690 * config/rs6000/eabi.h: Don't include sysv4.h.
5691 (MULTILIB_DEFAULTS): Don't define.
5692 * config/rs6000/eabiaix.h: Don't include eabi.h.
5693 * config/rs6000/eabile.h: Delete.
5694 * config/rs6000/eabilesim.h: Delete.
5695 * config/rs6000/eabisim.h: Don't include eabi.h.
5696 * config/rs6000/linux.h: Don't include sysv4.h.
5697 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5698 (MULTILIB_DEFAULTS): Don't redefine.
5699 * config/rs6000/rtems.h: Don't include eabi.h.
5700 * config/rs6000/sol2.h: Don't include sysv4le.h.
5701 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5702 * config/rs6000/t-ppc: Delete.
5703 * config/rs6000/t-ppcgas: Correct comment.
5704 * config/rs6000/t-ppcos: Correct comment. Don't build
5705 multilibs for -fPIC, rather use -fPIC -mstrict-align
5707 * config/rs6000/t-ppc: Delete.
5708 * config/rs6000/vxppc.h: Don't include sysv4.h.
5709 * config/rs6000/vxppcle.h: Delete.
5710 * configure.in: Use multiple header files for p2pc ELF targets
5711 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5712 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5713 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5714 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5715 always available for these platforms.
5717 2000-04-04 Richard Henderson <rth@cygnus.com>
5719 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5721 2000-04-04 Stan Cox <scox@cygnus.com>
5723 * Makefile.in: Add rules for regrename.o
5724 * regrename.c: New file.
5725 * rtl.h (regrename_optimize): Add prototype.
5726 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5727 (compile_file, decode_d_option): Add support for -frename-registers.
5728 (rest_of_compilation): Call regrename_optimize.
5729 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5732 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5734 * Makefile (gccbug): New target.
5735 (doc): Depend on it.
5736 * gcc.texi (Bugs): Link subnodes.
5738 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5739 Document severities, priorities, and classes in bug form.
5741 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5743 * cpplex.c (trigraph_map, speccase): Combine into single
5745 (NORMAL, NONTRI): New macros.
5746 (_cpp_read_and_prescan): Change to use unified table. Use
5747 is_hspace to test for whitespace.
5749 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5750 definition that doesn't provoke the "empty body in an
5751 if-statement" warning.
5753 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5755 * builtins.c (expand_builtin_strlen): Force the source to
5756 be a memory address.
5758 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5760 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5762 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5764 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5765 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5766 (ECF_IS_CONST): Rename to ECF_CONST.
5767 (special_function_p): Make static, change interface.
5768 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5769 (expand_call) ... here; convert number of variables to flags.
5770 (emit_library_call_vlue_1): Likewise.
5771 (setjmp_call_p): New function.
5772 (initialize_argument_information): Accepts flags as argument;
5774 (precompute_arguments): Likewise.
5775 * tree.h (special_function_p): Remove.
5776 (setjmp_call_p): Add prototype.
5778 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5780 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5781 so that addresses are offsetable by up to 16 bytes.
5782 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5783 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5786 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5787 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5788 (movsf): Don't force any constant to memory if target is integer
5790 Move fp_zero_operand check below the const0_rtx check.
5791 (movtf): Likewise. Also allow fp_zero_operand for stores into
5793 (movdf): Likewise. Also allow fp_zero_operand for stores into
5794 memory and into integer hard registers.
5795 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5796 movdf_const_intreg_sp64): Remove.
5797 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5799 (movdf_no_e_insn_v9_sp32): New pattern.
5800 (movdf_insn_v9only): Remove.
5801 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5802 (movdf_insn_sp64): Remove.
5803 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5804 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5805 (following splits): Rewrite conditions. Add two new splits
5806 for storing 0.0 into memory and registers.
5807 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5808 (movtf_insn_sp32): Redo constraints and conditions.
5809 (movtf_insn_vis_sp32): New pattern.
5810 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5811 (movtf_insn_hq_sp64): Likewise.
5812 (movtf_insn_hq_vis_sp64): New pattern.
5813 (movtf_insn_sp64): Redo constraints and conditions.
5814 (movtf_insn_vis_sp64): New pattern.
5815 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5816 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5818 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5819 -mvis or -m64 to take down the number of various reload patterns.
5821 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5823 * pa/pa-64.h: New file.
5824 * pa/pa64-regs.h: New file.
5825 * pa/pa64-start.h: New file.
5826 * pa/t-pa64: New file.
5827 * pa/xm-pa64hpux.h: New file.
5829 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5831 * sparc.c (output_restore_regs): Prototype.
5832 (sparc_emit_float_lib_cmp): Constification.
5834 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5836 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5839 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5840 (get_value_hash, hash_rtx): Likewise.
5842 * ssa.c (compute_conservative_reg_partition): Prototype.
5844 * tree.c (mark_hash_entry): Prototype.
5846 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5848 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5849 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5850 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5852 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5853 * objc/lang-specs.h: Likewise.
5855 2000-04-03 Neil Booth <NeilB@earthling.net>
5857 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5858 and SYNTAX_ERROR2. Replace `' in messages with ''.
5859 (op_to_str): Make re-entrant.
5860 (_cpp_parse_expr): Implement new error macros. Use | rather
5861 than || to logically or 2 boolean integers. Simply expression
5862 checking we have a left operand iff needed.
5864 2000-04-03 Nick Clifton <nickc@cygnus.com>
5866 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5868 2000-04-03 Philip Blundell <philb@gnu.org>
5870 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5872 2000-04-03 Felix Lee <flee@cygnus.com>
5874 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5875 (run_shell): Use it.
5877 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5879 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5880 (stmp-fixproto): ...rather than here.
5882 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5884 * pa.c (print_operand): Compute 'base' only inside the code paths
5887 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5889 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5892 2000-04-03 Philipp Thomas <pthomas@suse.de>
5894 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5896 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5898 * Makefile.in (alias.o): Depend on $(TREE_H).
5900 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5902 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5904 * cpplib.c (_cpp_handle_directive): Improve warnings for
5905 traditional C and indented directives.
5907 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5908 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5909 fixinc/inclhack.def: Indent the # of #include_next one space.
5910 * cp/rtti.c: Un-indent #if and #endif.
5912 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5913 syntax error, but an error has already been printed.
5914 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5915 message when called with nothing remaining on the line.
5916 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5917 OTHER token, not an ASSERTION.
5918 * cpplib.c (do_assert): When we create a 'base' node, clear
5919 its aschain pointer.
5921 2000-04-02 Neil Booth <NeilB@earthling.net>
5923 * cppexp.c: New typedef op_t. struct operation and struct
5924 token updated to use it.
5925 (op_to_str): New function.
5926 (_cpp_parse_expr): Error messages modified to use op_to_str.
5928 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5930 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5931 before checking MUST_PASS_IN_STACK.
5933 2000-04-02 Neil Booth <NeilB@earthling.net>
5935 * cppexp.c: New FINISHED dummy token. Combine operator initial
5936 flags and initial priority into a single constant. New
5937 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5938 (_parse_cpp_expr): Implement new constants. Take left operand
5939 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5940 parse indicated by reducing FINISHED token. Remove new lines
5941 from cpp_error messages.
5943 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5945 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5948 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5950 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5951 directive. Add origin values to DIRECTIVE_TABLE. Generate
5952 the strings and function names on the fly. Take the #sccs
5953 entry out of the table if SCCS_DIRECTIVE is not defined.
5954 (_cpp_handle_directive): Decide if the # was at the beginning
5955 of the line here. Issue -pedantic warnings for extended
5956 directives here. Warn about K+R directives with the #
5957 indented, and C89/extended directives with the # not indented,
5959 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5960 do_assert, do_unassert): Don't issue pedantic warning here.
5962 * cpphash.h: Add CPP_WTRADITIONAL macro.
5963 * cpplib.h (struct cpp_options): Rename warn_stringify to
5964 warn_traditional; update comments.
5965 * cppinit.c (handle_option): Set warn_traditional not
5967 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5968 CPP_WTRADITIONAL (pfile).
5969 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5970 be ignored in -traditional mode here.
5972 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5973 to initialize speccase[] and trigraph_map[]. Delete all
5974 references to pfile->input_speccase. Always treat '?' as a
5975 special character. Remove table-initialization code from
5976 _cpp_init_input_buffer.
5978 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5979 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5981 2000-04-01 Richard Henderson <rth@cygnus.com>
5983 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5984 (mostlyclean): Likewise.
5986 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5987 (struct dump_file_info, enum dump_file_index, dump_file): New.
5988 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5989 not a string. Clean out file if we havn't yet done so. Do nothing
5990 if the dump isn't enabled.
5991 (close_dump_file): Do nothing if the dump isn't open. Dump
5992 graph data if requested.
5993 (dump_rtl, clean_dump_file): Remove.
5994 (compile_file): Don't clean the dump files. Only finalize .bp dump
5995 if flag_test_coverage or flag_branch_probabilities. Only finalize
5996 .combine dump if optimizing. Iterate over dump_file to finalize the
5998 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5999 Convert all uses of dump_rtl.
6000 (decode_d_option): Iterate over dump_file to implement 'a' and to
6001 locate pass-specific dumps.
6003 2000-04-01 Neil Booth <NeilB@earthling.net>
6005 * cppexp.c: Redefine priority constants.
6006 (_cpp_parse_expr): Replace left and right priority scheme with
6007 single priority logic. Move LOGICAL to same place as COMPARE.
6008 Remove bogus check for multiple unary +/- operators.
6010 2000-04-01 Neil Booth <NeilB@earthling.net>
6012 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6013 within the switch statement. Binary operations break out of
6014 the switch naturally. '(' tokens handled by forcing
6015 immediate shift. ')' handled by forcing immediate reduce to
6016 the previous '('. New error messages.
6018 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6020 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6021 part', it's already in use. Use %K instead. Add a return at the
6022 end of what is now %K.
6023 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6025 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6027 * builtins.c (expand_builtin_apply): Pass proper parameters to
6028 allocate_dynamic_stack_space.
6029 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6030 update stack_pointer_delta; do not update arg_size_so_far.
6031 (compute_argument_block_size): Use stack_delta instead of
6032 stack_pointer_pending and arg_size_so_far.
6033 (expand_call): Add sanity checking for stack_pointer_delta;
6034 save and restore stack_pointer_delta for SIB, use
6035 stack_pointer_delta for alignment; do not update arg_space_so_far.
6036 (emit_library_call_value): Use stack_pointer_delta for alignment.
6037 (store_one_arg): Do not update arg_space_so_far.
6038 * explow.c (adjust_stack, anti_adjust_stack): Update
6039 stack_pointer_delta.
6040 (allocate_dynamic_stack_space): Add sanity checking for
6041 stack_pointer_delta.
6042 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6043 stack_pointer_delta.
6044 (emit_push_insn): Update stack_pointer_delta.
6045 * function.h (struct expr_status): Add x_stack_pointer_delta;
6046 remove x_arg_space_so_far.
6047 (arg_space_so_far): Remove.
6048 (stack_pointer_delta): New macro.
6050 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6052 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6053 Reorder struct cpp_options and struct cpp_reader for better
6054 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6055 takes two args. Change all 'char' flags to 'unsigned char'.
6056 Move show_column flag into struct cpp_options. Don't
6057 prototype cpp_options_init.
6058 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6059 cppinit.c, cpplex.c, cpplib.c:
6060 Replace CPP_OPTIONS (pfile)->whatever with
6061 CPP_OPTION (pfile, whatever), and likewise for
6062 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6064 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6065 Extract CPP_OPTION (pfile, pending) and work with that
6067 (cpp_options_init): Delete.
6068 (cpp_reader_init): Turn on on-by-default options here.
6069 Allocate the pending structure here.
6070 (cl_options, enum opt_code): Define these from the same table,
6071 kept in a large macro. Add -fshow-column and -fno-show-column
6074 * cpperror.c (v_message): If show_column is off, don't print
6077 * cppmain.c: Update for new interface.
6078 * fix-header.c: Likewise.
6080 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6082 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6084 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6085 are passed to any invocation of AR_FOR_TARGET.
6086 (AR_CREATE_FOR_TARGET): New macro.
6087 (AR_EXTRACT_FOR_TARGET): New macro.
6088 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6089 AR_EXTRACT_FOR_TARGET.
6090 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6091 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6092 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6093 AR_EXTRACT_FOR_TARGET to sub-makes.
6095 2000-03-31 Neil Booth <NeilB@earthling.net>
6097 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6099 (_cpp_parse_expr): Check for multiple unary +/- operators.
6100 Correct priorities of ':' and '?'. Treat ')' as having a
6101 value. Ensure conditional expression is not void.
6103 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6105 * alias.c (canon_rtx): Make it global.
6106 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6108 * cse.c (struct table_elt): Add canon_exp.
6110 (invalidate): Canonicalize expressions only once.
6111 * rtl.h (canon_rtx): Declare.
6113 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6115 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6116 * alias.c (reg_known_value): Add comments.
6117 (init_alias_analysis): Likewise.
6118 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6120 (cse_basic_block): Fix typo in comment.
6121 * emit-rtl.c: Include hashtab.h.
6122 (const_int_htab): New variable.
6123 (const_int_htab_hash): New function.
6124 (const_int_htab_eq): Likewise.
6125 (rtx_htab_mark_1): Likewise.
6126 (rtx_htab_mark): Likewise.
6127 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6128 (unshare_all_rtx): Fix formatting.
6129 (init_emit_once): Initialize const_int_htab.
6130 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6132 * rtl.texi: Document the fact that all CONST_INTs with the same
6135 2000-03-30 Richard Henderson <rth@cygnus.com>
6137 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6139 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6141 * configure.in: Comment out --enable-c-cpplib stanza.
6142 * configure: Regenerate.
6144 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6146 * expr.c (store_constructor): Properly compute displacement and
6147 alignment when offset is variable.
6149 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6150 cases of alignment in bytes.
6152 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6154 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6155 since it is used to generate c-parse.y.
6156 * objc-parse.c, objc-parse.y: Regenerated.
6158 * function.c (expand_function_end): Pass alignment argument to
6159 emit_block_move in bits, not bytes.
6161 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6163 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6166 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6168 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6169 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6170 * function.c (assign_parms): Likewise.
6171 * integrate.c (expand_inline_function): Likewise.
6172 * stmt.c (expand_decl): Likewise.
6173 (copy_rtx_and_substitute): Likewise.
6174 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6175 (clear_by_pieces): Fix error in last change.
6176 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6177 * function.h (regno_pointer_align): Now unsigned.
6178 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6180 * config/i386/i386.c (aligned_operand): Likewise.
6181 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6182 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6183 (unaligned_memory_operand): Likewise.
6184 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6185 Also make alignments and sizes unsigned and some whitespace cleanup.
6186 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6188 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6189 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6190 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6191 (expand_builtin_memset): Likewise, but to clear_storage.
6192 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6193 (restore_fixed_argument_area): Likewise.
6194 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6195 (load_register_parameters): Likewise, to emit_group_load.
6196 (expand_call): Likewise, to emit_group_store and emit_block_move.
6197 (emit_library_call_value_1): Likewise, to emit_block_move.
6198 (store_one_arg): Likewise, and to emit_push_insn.
6199 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6200 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6201 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6202 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6203 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6204 (expand_assigment, store_expr, store_constructor_field): Likewise.
6205 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6206 (store_constructor, store_field, get_inner_reference): Likewise.
6207 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6208 (expand_expr, case COMPONENT_REF): Likewise.
6209 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6210 and positions; reindent code.
6211 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6212 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6213 (assign_parms): Likewise to emit_group_store.
6214 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6215 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6216 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6217 (expand_return): Likewise to {extract,store}_bit_field.
6218 * stor-layout.c (get_mode_alignment): Minor cleanup.
6219 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6220 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6222 2000-03-29 Nick Clifton <nickc@cygnus.com>
6224 * config/arm/arm.h: Undo effects of previous delta:
6225 (ASM_SPEC): Do not define.
6226 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6228 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6231 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6233 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6234 only after reading in the primary source file.
6236 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6238 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6239 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6240 or a reference to a va_list.
6241 * builtins.c (stabilize_va_list): Simplify now we don't have to
6242 work around C array address decay.
6243 * c-typeck.c (convert_for_assignment): Handle assignment to
6244 a reference parameter by taking the address of the RHS.
6245 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6246 (va_copy): Likewise.
6247 (__va_copy): Likewise.
6248 * ginclude/varargs.h (va_start): Likewise.
6249 (__va_copy): Likewise.
6251 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6253 * i386/djgpp.h: Remove extraneous "+".
6255 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6257 * calls.c (expand_call): Fix typo in last change.
6259 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6261 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6264 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6266 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6267 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6268 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6269 * tree.c (bit_position, byte_position): Likewise.
6270 * tree.h: Declare new functions.
6272 2000-03-29 Nick Clifton <nickc@cygnus.com>
6274 * config/arm/arm.c: Minor formatting changes/
6275 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6277 (ASM_SPEC): Define if not already defined.
6279 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6281 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6284 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6286 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6287 value, don't output it as unsigned.
6289 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6291 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6293 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6295 * c-common.c (c_common_nodes_and_builtins): Don't special case
6296 cplus_mode when declaring builtin bzero/bcmp, always avoid
6297 prototype arguments.
6299 2000-03-29 Bruce Korb <bkorb@gnu.org>
6301 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6304 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6306 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6307 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6308 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6309 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6310 (save_fixed_argument_area, restore_fixed_argument_area):
6311 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6312 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6313 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6314 (precompute_register_parameters): Avoid #ifdefs on
6315 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6316 (stire_one_args): Likewise.
6317 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6318 (emit_library_call_value_1): Likewise.
6319 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6320 ACCUMULATE_OUTGOING_ARGS.
6321 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6323 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6324 (use_crosses_set_p): Likewise.
6325 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6326 #define ACCUMULATE_OUTGOING_ARGS 1.
6327 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6329 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6331 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6332 (TARGET_SWITCHES): Add push-args, no-push-args,
6333 accumulate-outgoing-args and no-accumulate-outgoing-args.
6334 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6335 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6336 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6338 (emit_push_insn): Likewise.
6339 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6340 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6341 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6342 (STACK_DYNAMIC_OFFSET): Define correctly for both
6343 ACCUMULATE_OUTGOING_ARGS and normal mode.
6344 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6345 * tm.texi (PUSH_ARGS): Document.
6346 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6348 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6350 * flags.h (flag_optimize_sibling_calls): Declare.
6351 * calls.c (expand_call): Fail sibcall when
6352 !flag_optimize_sibling_calls
6353 * invoke.texi (flag_optimize_sibling_calls): Document.
6354 * toplev.c (flag_optimize_sibling_calls): New global variable.
6355 (f_options): Add flag_optimize_sibling_calls.
6356 (rest_of_compilation): Conditionize
6357 optimize_sibling_and_tail_recursive_calls by
6358 flag_optimize_sibling_calls.
6359 (main): Set flag_optimize_sibling_calls for -O2.
6360 * stmt.c (expand_return): Conditionize tail recursion by
6361 flag_optimize_sibling_calls.
6363 2000-03-29 Richard Henderson <rth@cygnus.com>
6365 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6366 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6368 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6370 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6372 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6374 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6376 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6377 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6378 * config/rs6000/aix.h: then modified likewise.
6380 2000-03-28 Richard Henderson <rth@cygnus.com>
6382 * rtl.h: Redistribute enum reg_note documentation.
6383 Kill trailing whitespace.
6384 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6385 Kill trailing whitespace.
6387 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6389 * cppfiles.c (hash_IHASH): Just return i->hash.
6390 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6391 htab_find_with_hash.
6392 (cpp_read_file): Likewise.
6393 (find_include_file): Likewise. Properly initialize
6394 ih->nshort. Share ih->name and ih->nshort if possible.
6395 * cpphash.c (_cpp_calc_hash): New function.
6396 (hash_HASHNODE): Just return h->hash.
6397 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6398 htab_find_with_hash.
6399 * cpphash.h: Prototype _cpp_calc_hash.
6400 * cppinit.c (initialize_builtins): Provide a valid hash
6401 to _cpp_make_hashnode, using _cpp_calc_hash.
6403 * cpphash.c (collect_expansion): # is not a special character
6404 in object-like macros. In -traditional mode, /**/ is not
6405 token paste at the beginning or end of the line.
6406 * cpplib.c (do_include, do_import, do_include_next): If
6407 parse_include fails, return immediately.
6409 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6411 * config/arm/arm.md (return peepholes): Update to reflect the new
6413 * config/arm/arm.c (arm_volatile_func): Also check
6414 current_function_nothrow.
6415 (output_return_instruction, output_func_prologue): Use it.
6416 (arm_output_epilogue, arm_expand_prologue): Likewise.
6418 2000-03-27 Tom Tromey <tromey@cygnus.com>
6420 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6423 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6425 * expr.c (store_constructor): SIZE now signed.
6426 For EXPR_SIZE, don't evaluate size; just needed if constant.
6427 * fold-const.c (fold): Fix a number of cases when folded tree is
6429 * function.c (flush_addressof): Reenable.
6430 * tree.h (flush_addressof): Likewise.
6431 * toplev.c (independent_decode_option): Look at strings_processed.
6432 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6434 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6436 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6437 Allow stack adjustment after function call.
6439 * regmove.c (struct csa_memlist): Make mem field rtx *.
6440 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6441 (try_apply_stack_adjustment): Replace whole MEM rtx.
6442 (combine_stack_adjustments_for_block): Update calls
6443 to record_one_stack_ref.
6445 2000-03-28 Neil Booth <NeilB@earthling.net>
6447 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6448 '\\' rather than a null character, so nulls are not special. Fix
6449 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6450 speed trigraph conversion.
6451 (_cpp_init_input_buffer): Initialize trigraph map.
6453 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6455 * config/i386/i386.c (output_387_binary_op): Correct intel
6456 mode assembly output, and add spaces after commas in AT&T
6457 output. Correct Unixware assembler comment. Document input
6458 constraints. Comment fp operations. Reduce profligate buffer
6459 size. Remove extraneous abort. Localize temp var.
6460 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6461 (output_fix_trunc): Add spaces after commas in assembly output.
6463 2000-03-27 Richard Henderson <rth@cygnus.com>
6465 * i386-protos.h (ix86_match_ccmode): Declare.
6466 * i386.c (ix86_match_ccmode): New.
6467 (ix86_expand_fp_compare): Update for pattern renames.
6468 (ix86_expand_strlensi_unroll_1): Likewise.
6469 * i386.h (EXTRA_CC_MODES): Add CCZ.
6470 (SELECT_CC_MODE): Use it for EQ/NE zero.
6471 * i386.md (cmpsi_ccz_1): New.
6473 (*testsi_ccz_1): New.
6474 (testqi_ccz_1): New.
6475 (cmpsi_ccno_1): Rename from cmpsi_0.
6476 (testsi_ccno_1): Rename from testsi_1.
6477 (testqi_ccno_1): Rename from testqi_1.
6478 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6479 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6480 (*cmphi_0): Use ix86_match_ccmode.
6481 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6482 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6483 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6484 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6485 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6486 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6487 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6488 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6489 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6490 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6491 (appropriate peepholes): Likewise.
6492 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6493 (*subsi_3, *subhi_3, *subqi_3): Remove.
6494 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6495 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6496 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6497 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6498 (x86_shift_adj_1): Use CCZ.
6499 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6501 2000-03-27 Stan Cox <scox@cygnus.com>
6503 * resource.h (mark_resource_type): New.
6504 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6505 find_free_register): Use mark_resource_type.
6506 (mark_set_resources): Change include_delayed_effects
6507 to mark_resource_type.
6508 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6509 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6510 Use mark_resource_type.
6512 2000-03-27 Richard Henderson <rth@cygnus.com>
6514 * i386.md (call_pop_0, call_value_pop_0): New.
6515 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6516 (call_value_pop_1): Likewise.
6517 (call_0, call_value_0): New.
6518 (call_1, call_value_1): Remove constraint from unused arg.
6520 2000-03-27 Nick Clifton <nickc@cygnus.com>
6522 * invoke.texi (Spec Files): Document new spec % command created by
6523 Tom Tromey's recent patch.
6525 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6527 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6530 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6532 * expr.c (expand_assignment): Fix typo in last change.
6534 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6536 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6538 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6539 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6540 and DECL_INLINE if FUNCTION_DECL.
6541 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6542 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6543 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6544 (combine_parm_decls): Likewise.
6545 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6546 * print-tree.c (print_node): Likewise.
6547 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6548 DECL_TRANSPARENT_UNION on proper decl types.
6549 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6550 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6551 DECL_BIT_FIELD of FIELD_DECL.
6552 * tree.h (DECL_RESULT_FLD): New macro.
6554 * expr.c (expand_assignment): Add code to handle variable-sized
6557 2000-03-26 Richard Henderson <rth@cygnus.com>
6559 * calls.c (expand_call): Pass parms not original exp to
6560 optimize_tail_recursion. Mind return value instead of looking
6562 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6563 call_expr. Move checks for call_expr and current_function_decl ...
6564 (expand_return): ... here.
6566 2000-03-26 Tom Tromey <tromey@cygnus.com>
6568 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6569 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6571 (process_command): Use them.
6572 (check_live_switch): Likewise.
6573 (give_switch): Skip ignored switches.
6575 2000-03-26 Jan Hubicka <jh@suse.cz>
6577 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6578 for minimal jump pass test.
6580 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6582 * integrate.c (function_cannot_inline_p): Do inline functions that
6585 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6587 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6588 now a list of TREE_LIST entries, not types.
6589 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6591 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6592 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6594 * config/mips/mips.c (function_arg): Likewise; also remove cast
6595 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6596 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6597 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6598 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6599 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6600 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6601 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6602 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6603 num_adjusts now unsigned.
6604 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6605 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6607 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6608 as is BITPOS variable; use host_integerp and int_bit_position.
6609 (function_arg_record_value_2): Likewise.
6610 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6611 Variable REGNO now unsigned.
6612 (function_arg_record_value): NREGS now unsigned.
6614 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6616 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6618 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6620 * Rework fields used to describe positions of bitfields and
6621 modify sizes to be unsigned and use HOST_WIDE_INT.
6622 * alias.c (reg_known_value_size): Now unsigned.
6623 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6624 (really_start_incremental_init): Use bitsize_zero_node.
6625 (push_init_level, pop_init_level, output_init_element): Likewise.
6626 Use bitsize_unit_node and bitsize_one_node.
6627 (output_pending_init_elements, process_init_element): Likewise.
6628 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6629 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6630 HOST_WIDE_INT, respectively.
6631 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6632 (num_sign_bit_copies): Returns unsigned.
6633 BITWIDTH now unsigned; rework arithmetic.
6634 Remove recursive call from arg to MAX.
6635 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6636 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6638 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6639 (find_split_point, expand_compound_operation, make_extraction): LEN
6640 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6641 (make_field_assignment): Likewise.
6642 (combine_simplify_rtx): Add cast.
6643 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6644 (force_to_mode): WIDTH now unsigned; add cast.
6645 (if_then_else_cond): SIZE now unsigned.
6646 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6647 (extended_count): Now returns unsigned.
6648 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6649 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6650 (simplify_comparison): MODE_WIDTH now unsigned.
6651 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6652 (mark_used_regs_combine): Likewise; rework arithmetic.
6653 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6654 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6655 (record_promoted_value): REGNO now unsigned.
6656 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6657 (get_last_value): REGNO now unsigned.
6658 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6659 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6660 (remove_death): Arg REGNO now unsigned.
6661 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6662 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6664 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6665 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6666 (struct cse_reg_info): REGNO now unsigned.
6667 (cached_regno): Now unsigned.
6668 (REGNO_QTY_VALID_P): Add cast.
6669 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6670 (remove_invalid_regs): Likewise.
6671 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6672 as are variables END and I.
6673 (get_cse_reg_info, insert): Likewise.
6674 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6675 (canon_hash): Likewise.
6676 (insert_regs, lookup_for_remove): REGNO now unsigned.
6677 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6679 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6680 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6681 * emit-rtl.c (subreg_realpart_p): Add cast.
6682 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6683 (operand_subword_force): Arg I is now unsigned.
6684 * except.c (eh_regs): Variable I is now unsigned.
6685 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6686 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6687 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6688 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6689 (extract_split_bit_field, store_bit_field, extract_bit_field):
6691 * expr.c (store_constructor_fields, store_constructor, store_field):
6692 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6693 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6694 (do_jump): Likewise.
6695 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6696 MAX_SIZE is now unsigned.
6697 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6698 (emit_group_store): Likewise.
6699 (emit_move_insn): I now unsigned.
6700 (store_constructor): Use host_integerp, tree_low_cst, and
6702 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6703 Rework all calculations to use trees and new fields.
6704 * expr.h (promoted_input_arg): Regno now unsigned.
6705 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6706 (mark_seen_cases): Arg is HOST_WIDE_INT.
6707 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6708 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6709 precisions and alignments are unsigned.
6710 (optimize_bit_field_compare, fold_truthop): Likewise.
6711 (int_const_binop): Adjust threshold for size_int_type_wide call.
6712 (fold_convert): Likewise.
6713 (size_int_type_wide): Make table larger and fix thinko that only
6714 had half of table used.
6715 (all_ones_mask_p, fold): Precisions are unsigned.
6716 * function.c (put_reg_info_stack): REGNO is unsigned.
6717 (instantiate_decl): Size is HOST_WIDE_INT.
6718 (instantiate_virtual_regs): I is unsigned.
6719 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6720 (promoted_input_arg): REGNO is unsigned.
6721 * function.h (struct function): x_max_parm_reg is now unsigned.
6722 * gcse.c (max_gcse_regno): Now unsigned.
6723 (struct null_pointer_info): min_reg and max_reg now unsigned.
6724 (lookup_set, next_set): REGNO arg now unsigned.
6725 (compute_hash_table): REGNO and I now unsigned.
6726 (handle_avail_expr): regnum_for_replacing now unsigned.
6727 (cprop_insn): REGNO now unsigned.
6728 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6729 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6730 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6731 * hard-reg-set.h (reg_class_size): Now unsigned.
6732 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6733 * jump.c (mark_modified_reg): I now unsigned; add cast.
6734 (rtx_equal_for_thread_p): Add cast.
6735 * loop.c (max_reg_before_loop): Now unsigned.
6736 (struct_movable): REGNO now unsigned.
6737 (try_copy_prop): REGNO arg unsigned.
6738 (regs_match_p): XN and YN now unsigned.
6739 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6740 (strength_reduce): Likewise; NREGS also unsigned.
6741 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6742 * loop.h (struct iv_class): REGNO now unsigned.
6743 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6745 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6746 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6747 * optabs.c (expand_binop): I and NWORDS now unsigned.
6748 (expand_unop): I now unsigned.
6749 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6750 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6751 * real.c (significand_size): Now returns unsigned.
6752 * real.h (significand_size): Likewise.
6753 * regclass.c (reg_class_size): Now unsigned.
6754 (choose_hard_reg_mode): Both operands now unsigned.
6755 (record_reg_classes): REGNO and NR now unsigned.
6756 (reg_scan): NREGS now unsigned.
6757 (reg_scan_update): old_max_regno now unsigned.
6758 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6759 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6760 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6761 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6762 Likewise for variable R.
6763 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6764 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6765 (find_equiv_reg): Add casts.
6766 (regno_clobbered_p): Arg REGNO now unsigned.
6767 * reload.h (struct reload): NREGS now unsigned.
6768 (refers_to_regno_for_reload_p): Regno args are unsigned.
6769 (regno_clobbered_p): Likewise.
6770 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6771 (compute_use_by_pseudos): REGNO now unsigned.
6772 (find_reg): I and J now unsigned, new variable K, and change loop
6773 variables accordingly; THIS_NREGS now unsigned.
6774 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6775 (spill_hard_reg): REGNO arg now unsigned; add casts.
6776 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6777 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6778 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6779 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6780 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6781 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6782 (emit_reload_insns): REGNO now unsigned.
6783 (reload_cse_move2add): Add cast.
6784 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6786 * resource.c (mark_referenced_resources, mark_set_resources): New
6787 variable R; REGNO and LAST_REGNO now unsigned.
6788 (mark_target_live_regs): J and REGNO now unsigned.
6789 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6790 * rtl.h (union rtunion_def): New field rtuint.
6791 (XCUINT): New macro.
6792 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6793 (operand_subword, operand_subword_force): Word number is unsigned.
6794 (choose_hard_reg_mode): Operands are unsigned.
6795 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6796 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6797 (regno_use_in, combine_instructions, remove_death): Likewise.
6798 (reg_scan, reg_scan_update): Likewise.
6799 (extended_count): Return is unsigned.
6800 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6801 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6802 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6803 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6804 (reg_reg_last_1): FIRS and LAST now unsigned.
6805 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6806 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6808 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6809 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6810 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6811 (replace_regs): Arg NREGS now unsigned.
6812 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6813 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6814 (simplify_binary_operation): Likewise.
6815 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6816 THIS_LAST now unsigned.
6817 (cselib_record_set): Add cast.
6818 * ssa.c (ssa_max_reg_num): Now unsigned.
6819 (rename_block): REGNO now unsigned.
6820 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6822 (all_cases_count): Just return -1 not -2.
6823 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6824 Rework tests to use trees whenever possible.
6825 Use host_integerp and tree_low_cst.
6826 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6827 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6828 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6829 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6830 (smallest_mode_for_size): Likewise.
6831 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6832 KNOWN_ALIGN is now an alignment, so simplify code.
6833 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6834 (start_record_layout): Renamed from new_record_layout_info.
6835 Update to new fields.
6836 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6838 (place_union_field): Renamed from layout_union_field.
6839 Update to use new fields in rli.
6840 (place_field): Renamed from layout_field.
6841 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6842 (finalize_record_size): Rework to use new fields in rli and handle
6844 (compute_record_mode): Rework to simplify and to use new DECL fields.
6845 (finalize_type_size): Make rounding more consistent.
6846 (finish_union_layout): Deleted.
6847 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6848 (layout_type, case RECORD_TYPE): Call new function names.
6849 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6850 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6851 (get_best_mode): UNIT is now unsigned; remove casts.
6852 * tree.c (bit_position): Compute from new fields.
6853 (byte_position, int_byte_position): New functions.
6854 (print_type_hash_statistics): Cast to remove warning.
6855 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6856 (build_index_type): Likewise; make subtype of sizetype.
6857 (build_index_2_type): Pass sizetype to build_range_type.
6858 (build_common_tree_nodes): Use size_int and bitsize_int to
6859 initialize nodes; add bitsize_{zero,one,unit}_node.
6860 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6861 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6862 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6863 (DECL_FIELD_BITPOS): Deleted.
6864 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6865 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6866 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6867 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6868 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6869 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6870 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6871 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6872 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6873 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6874 (DECL_ALIGN): Adjust to new field in union.
6875 (DECL_OFFSET_ALIGN): New field.
6876 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6877 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6878 (union tree_decl): Add struct for both aligns.
6879 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6880 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6881 (struct record_layout_info): Rework fields to have offset
6882 alignment and byte and bit position.
6883 (start_record_layout, place_field): Renamed from old names.
6884 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6885 (byte_position, int_byte_position): Likewise.
6886 (get_inner_reference): Change types of position and length.
6887 * unroll.c (unroll_loop): New variable R; use for some loops.
6888 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6889 (calculate_giv_inc): Arg REGNO now unsigned.
6890 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6891 * varasm.c (assemble_variable): Clean up handling of size using
6892 host_integerp and tree_low_cst.
6893 (decode_addr_const): Use byte, not bit, position.
6894 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6895 use tree_low_cst and int_bit_position.
6896 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6898 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6900 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6901 (reorder_block_def): New members eff_head and eff_end.
6902 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6903 (verify_insn_chain): New function.
6904 (skip_insns_between_block): Add code to skip deleted insns.
6905 Check for note before using.
6906 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6907 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6908 Check for note before using.
6909 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6910 (fixup_reorder_chain): Restructure, clean up, defect removal.
6911 (reorder_basic_blocks): Remove last_insn and references to it.
6912 Moved insn chain verification code into a new function (see above).
6913 Delete defective code that sets last insn.
6914 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6917 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6919 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6921 2000-03-24 Richard Henderson <rth@cygnus.com>
6923 * tree.c (lang_safe_for_unsave): Remove.
6924 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6925 allowing for two levels of unsafeness. Remove lang hook.
6926 * tree.h: Update declarations.
6927 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6928 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6929 Always fail sibcalls when there are pending cleanups.
6931 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6933 * flow.c (propagate_block): When we delete an ADDR_VEC,
6934 also delete the BARRIER following it if there is one.
6936 2000-03-24 Richard Henderson <rth@cygnus.com>
6938 * builtins.c (expand_builtin_bzero): Convert `length' argument
6941 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6943 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6944 comparison if regno's are equal.
6945 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6946 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6947 (expand_call): Update caller.
6948 Avoid making a sibling call if argument size of the callee is larger
6949 than argument size of the caller.
6950 Call hard_function_value with outgoing set if in sibcall pass.
6951 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6953 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6954 Change LEAF_REGISTERS from an array initializer to actual array
6955 identifier. Move static global variable into the function.
6956 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6957 sequences for leaf functions.
6958 * global.c (global_alloc): Likewise.
6959 * tm.texi (LEAF_REGISTERS): Update documentation.
6961 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6962 TARGET_FLAT leaf disabling hack.
6963 (LEAF_REGISTERS): Changed from an array initializer to actual array
6964 identifier to avoid duplication and remove the above hack.
6965 (FUNCTION_OK_FOR_SIBCALL): Define.
6966 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6967 always like call attribute.
6968 (eligible_for_sibcall_delay): New attribute.
6969 (sibcall): New delay type.
6970 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6971 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6972 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6973 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6974 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6976 (output_function_epilogue): Move part of the code into
6977 output_restore_regs.
6978 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6980 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6983 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6984 until infrastructure is finished.
6986 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6988 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6989 (save_parm_insns): Not here.
6991 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6993 * builtins.c (expand_builtin_bzero): New function.
6994 (expand_builtin): Handle bzero.
6996 * builtins.def: Add BUILT_IN_BZERO.
6998 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6999 prototype & function for bzero.
7001 2000-03-23 Michael Meissner <meissner@redhat.com>
7003 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7004 change adding TARGET_FP to the TF floating point insns, except for
7005 trunctfsf2, which generates direct calls to truncdfsf2.
7007 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7009 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7010 try to protect against middle-end changes that break binary
7012 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7014 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7016 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7018 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7020 * calls.c (expand_call): If TARGET is passed by reference and
7021 is readonly, write a CLOBBER.
7023 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7025 * builtins.c (expand_builtin): Handle bcmp.
7027 * builtins.def: Add BUILT_IN_BCMP.
7029 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7030 prototype & function for bcmp.
7032 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7034 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7035 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7036 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7038 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7040 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7041 alternative when using -fp64 -gp32.
7043 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7045 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7046 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7047 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7049 * frame.h (frame_state): Revert last change.
7050 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7051 * libgcc2.c (throw_helper): Revert last change.
7053 2000-03-22 Richard Henderson <rth@cygnus.com>
7055 * stmt.c (expand_asm_operands): Don't promote the temporary.
7057 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7059 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7060 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7061 c_get_alias_set): Likewise.
7062 * c-decl.c (duplicate_decls): Likewise.
7063 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7064 * calls.c (initialize_argument_information): Likewise.
7065 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7067 * dwarfout.c (decl_class_context,output_type): Likewise.
7068 * expr.c (get_inner_reference): Likewise.
7069 * fold-const.c (simple_operand_p,fold): Likewise.
7070 * function.c (aggregate_value_p): Likewise.
7071 * stmt.c (expand_asm_operands): Likewise.
7072 * varasm.c (named_section): Likewise.
7074 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7076 Implement dwarf2 exception handling for the ARM.
7077 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7078 (DWARF_FRAME_RETURN_COLUMN): Define.
7079 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7080 REG_FRAME_RELATED_EXPR note.
7081 (emit_sfm): Likewise.
7082 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7083 * dwarf2out.c (reg_save): Handle saving a register to itself.
7084 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7085 * except.c (eh_regs): Don't use the static chain reg if it's
7087 * frame.h (frame_state): Add cfa_saved field.
7088 * frame.c (execute_cfa_insn): Set it.
7089 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7091 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7093 (instantiate_virtual_regs): Adjust.
7095 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7096 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7097 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7099 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7100 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7102 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * builtins.def: New file.
7106 * Makefile.in (TREE_H): Depend on builtins.def.
7108 * builtins.c (built_in_names): Use builtins.def.
7110 * tree.h (built_in_function): Likewise.
7112 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7114 * tree.c (size_in_bytes): Return size_zero_node, not
7117 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7119 * config/fp-bit.c (pack_d): Correct the case when a denormal
7120 is rounded up and stops being denormal.
7122 2000-03-21 Richard Henderson <rth@cygnus.com>
7124 * config/alpha/alpha.c (function_arg): Check for void_type_node
7125 before using MUST_PASS_IN_STACK.
7127 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7129 * regmove.c (combine_stack_adjustments_for_block): Check that
7130 the stack pointer is a valid memory address.
7132 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7134 * calls.c: re-install Mar 16 emit_library_call merge.
7136 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7138 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7139 we cannot be sure that if reload_completed base register will
7140 be properly aligned.
7142 2000-03-21 Richard Henderson <rth@cygnus.com>
7144 * flow.c (delete_block): Fix typo last change.
7146 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7148 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7149 not COMPLETE_TYPE_P, to check the type of the expression.
7151 2000-03-21 Michael Meissner <meissner@redhat.com>
7153 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7154 all floating point insns that just tested the macro
7155 TARGET_HAS_XFLOATING_LIBS.
7156 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7157 used to only use the gprs.
7159 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7161 * tree.h (COMPLETE_TYPE_P): New macro.
7162 (COMPLETE_OR_VOID_TYPE_P): New macro.
7163 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7164 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7165 * c-aux-info.c (gen_type): Use them.
7166 * c-common.c (c_expand_expr_stmt): Likewise.
7167 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7168 grokdeclarator, grokparms, finish_struct, start_function,
7169 store_parm_decls, combine_parm_decls): Likewise.
7170 * c-parse.y (cast_expr): Likewise.
7171 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7172 c_size_in_bytes, c_alignof, build_component_ref,
7173 build_indirect_ref, build_array_ref, convert_arguments,
7174 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7175 * calls.c (initialize_argument_information): Likewise.
7176 * convert.c (convert_to_integer): Likewise.
7177 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7178 * dwarfout.c (location_or_const_value_attribute,
7179 output_enumeration_type_die, output_structure_type_die,
7180 output_union_type_die, output_type): Likewise.
7181 * expr.c (safe_from_p, expand_expr): Likewise.
7182 * function.c (assign_parms): Likewise.
7183 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7184 * tree.c (build_array_type, build_function_type,
7185 build_method_type, build_offset_type, build_complex_type): Likewise.
7186 * c-parse.c, c-parse.h: Regenerated.
7188 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7190 * config/c4x/rtems.h: Include config/rtems.h.
7192 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7194 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7195 decl is a FUNCTION_DECL
7197 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7199 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7200 function uses output registers. Don't save RP for leaf functions.
7201 Do save RP even if no epilogue.
7202 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7203 (CALL_USED_REGISTERS): Unmark in registers.
7204 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7207 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7209 * config/rs6000/rs6000.md (bunordered): New expander.
7210 (bordered): New expander.
7211 (buneq): New expander.
7212 (bunge): New expander.
7213 (bungt): New expander.
7214 (bunle): New expander.
7215 (bunlt): New expander.
7216 (bltgt): New expander.
7218 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7219 (ccr_bit_negated_p): New function.
7220 (print_operand): For %C, generate appropriate cror for UNEQ,
7221 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7223 2000-03-20 Andreas Jaeger <aj@suse.de>
7225 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7228 * tree.h (safe_for_unsave): Prototype.
7230 2000-03-20 Richard Henderson <rth@cygnus.com>
7232 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7233 (combine_stack_adjustments_for_block): Don't allow sp references
7234 in the side of a set we're not fixing up.
7235 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7236 after life_analysis.
7238 2000-03-20 Richard Henderson <rth@cygnus.com>
7240 * calls.c (expand_call): Don't bother generating tail call
7241 sequences if there are pending cleanups. Use
7242 expand_start_target_temps/expand_end_target_temps to elide
7243 cleanups created during sibcall expansion.
7245 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7247 * configure.in: Set $IFS to a value if it doesn't already have one
7248 in the --enable-checking handling.
7249 * configure: Regenerate.
7251 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7253 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7254 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7257 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7259 * jump.c (delete_noop_moves): Remove code attempting to
7260 combine stack adjustments.
7262 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7264 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7265 * except.c (emit_cleanup_handler): Use them.
7266 (expand_end_all_catch): Likewise.
7267 * function.c (fixup_var_refs): Likewise.
7268 (expand_function_end): Clear catch_clauses_last.
7269 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7270 * except.h (struct eh_status): New field x_catch_clauses_last.
7271 (catch_clauses_last): New define.
7273 * Makefile.in (tree.o): Depend on HASHTAB_H.
7274 * tree.c: Include hashtab.h.
7275 (struct type_hash): Remove next field.
7276 (TYPE_HASH_SIZE): Remove.
7277 (TYPE_HASH_INITIAL_SIZE): New define.
7278 (type_hash_table): Change type to htab_t.
7279 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7280 mark_hash_entry): New functions.
7281 (init_obstacks): Allocate type hash.
7282 (type_hash_lookup): Use htab functions.
7283 (type_hash_add, mark_type_hash): Likewise.
7284 (dump_tree_statistics): Call print_type_hash_statistics.
7286 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7288 * rs6000/t-aix41: New file.
7290 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7292 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7294 * tm.texi (Driver): Fix typos and tweak entry for
7296 Move misplaced STRUCT_FORCE_BLK entry ...
7297 (Storage Layout): ... to here.
7298 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7300 2000-03-19 Richard Henderson <rth@cygnus.com>
7302 * flow.c (delete_block): Delete the addr_vec along with the block.
7303 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7306 * fold-const.c (extract_muldiv): Apply type check for defined
7307 overflow to multiply as well as divide.
7309 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7311 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7313 * emit-rtl.c (remove_unncessary_notes): Check that all
7314 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7315 associated NOTE_BLOCK.
7316 * function.h (identify_blocks): Update comments.
7317 (reorder_blocks): Declare.
7318 * function.c (identify_blocks): Don't take paramters.
7319 (reorder_blocks): Don't take parameters.
7320 * loop.h (find_loop_tree_blocks): Remove.
7321 (unroll_block_trees): Likewise.
7322 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7323 reorder_blocks instead of unroll_block_trees.h
7324 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7325 * stmt.c (find_loop_tree_blocks): Remove.
7326 (unroll_block_trees): Likewise.
7327 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7328 in whole-function mode.
7329 * tree.h (reorder_blocks): Remove declaration.
7331 * expr.c: Include intl.h.
7332 * Makefile.in (expr.o): Depend on intl.h.
7334 2000-03-18 Richard Henderson <rth@cygnus.com>
7336 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7338 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7340 * tree.h (tree_index): Remove enumerals for integer types.
7341 (integer_type_kind): New type.
7342 (integer_types): New variable.
7343 (char_type_node): Adjust.
7344 (signed_char_type_node): Likewise.
7345 (unsigned_char_type_node): Likewise.
7346 (short_integer_type_node): Likewise.
7347 (short_unsigned_type_node): Likewise.
7348 (integer_type_node): Likewise.
7349 (unsigned_type_node): Likewise.
7350 (long_integer_type_node): Likewise.
7351 (long_unsigned_type_node): Likewise.
7352 (long_long_integer_type_node): Likewise.
7353 (long_long_unsigned_type_node): Likewise.
7354 * tree.c (integer_types): New variable.
7355 (init_obstacks): Register it as a root.
7357 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7359 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7360 NEXT_INSN. Update last insn in chain.
7362 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7364 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7365 with TYPE_DECL_SUPPRESS_DEBUG set.
7367 2000-03-18 Richard Henderson <rth@cygnus.com>
7369 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7371 2000-03-18 Richard Henderson <rth@cygnus.com>
7373 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7374 care for HALF_PIC_P.
7375 (expander_call_insn_operand): Remove.
7376 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7377 * i386.h (PREDICATE_CODES): Update.
7378 * i386.md (all call expanders): Remove predicates, remove special
7379 handling for half-pic.
7380 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7381 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7382 (sibcall_epilogue): New.
7384 2000-03-17 Richard Henderson <rth@cygnus.com>
7386 * rtlanal.c (single_set): Reject if the parallel has anything
7387 except SET or USE or CLOBBER.
7389 2000-03-17 Jeff Law <law@cygnus.com>
7390 Richard Henderson <rth@cygnus.com>
7392 * Makefile.in (OBJS): Add sibcall.o.
7394 * sibcall.c: New file.
7395 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7396 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7397 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7398 Emit sibcall patterns when requested. Update all callers.
7399 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7400 elimination seems feasable.
7401 * final.c (leaf_function_p): Sibling calls don't discount being
7403 * flow.c (HAVE_sibcall_epilogue): Provide default.
7404 (find_basic_blocks_1): Sibling calls don't throw.
7405 (make_edges): Make edge from sibling call to EXIT.
7406 (propagate_block): Don't remove sibcall_epilogue insns.
7407 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7408 (sibcall_epilogue): New.
7409 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7410 (identify_blocks_1): Likewise. Break out from ...
7411 (identify_blocks): ... here.
7412 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7413 (reorder_blocks): ... here.
7414 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7415 (record_insns): Extend a varray instead of mallocing new memory.
7416 (contains): Read a varray not array of ints.
7417 (sibcall_epilogue_contains): New.
7418 (thread_prologue_and_epilogue_insns): Emit and record
7419 sibcall_epilogue patterns.
7420 (init_function_once): Allocate prologue/epilogue varrays.
7421 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7422 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7424 (save_for_inline_nocopy): ... here.
7425 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7427 (expand_inline_function): ... here.
7428 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7429 (subst_constants): Handle 'n' formats.
7430 * jump.c (jump_optimize_minimal): New.
7431 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7432 optimizations if it's set.
7433 * rtl.c (copy_rtx): Do copy jump & call for insns.
7434 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7435 (SIBLING_CALL_P): New.
7436 (sibcall_use_t): New.
7437 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7438 Invoke optimize_sibling_and_tail_recursive_calls.
7439 * tree.c (lang_safe_for_unsave): New.
7440 (safe_for_unsave): New.
7441 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7443 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7444 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7445 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7447 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7449 * objc/objc-act.c (encode_method_prototype): Pass types, not
7450 PARM_DECLs, to int_size_in_bytes.
7452 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7454 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7456 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7457 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7459 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7461 * Clean up usages of TREE_INT_CST_LOW.
7462 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7463 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7465 * c-tree.h (min_precision): Move declaration to here.
7466 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7467 (build_unary_op, add_pending_init): Use bit_position.
7468 (pending_init_member, process_init_element): Likewise.
7469 (really_start_incremental_init, push_init_level, pop_init_level):
7470 Don't make copies of nodes or modify them in place, use consistent
7471 types when tracking positions, and use tree routines computations.
7472 (set_init_index, output_init_element): Likewise.
7473 (output_pending_init_elements, process_init_element): Likewise.
7474 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7475 tree_low_cst and int_bit_position; also minor cleanup.
7476 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7477 (print_cst_octal): Precision is unsigned.
7478 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7479 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7480 (simple_type_align_in_bits): Result is unsigned int.
7481 Use tree_int_low_cst and host_integerp.
7482 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7483 (field_byte_offset): Result is HOST_WIDE_INT.
7484 Change types of internal variables so alignments are unsigned int,
7485 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7486 Use host_integerp, tree_low_cst, and int_bit_position.
7487 (add_bit_offset_attribute): Likewise.
7488 (add_data_member_location_attribute): Use tree_cst_low.
7489 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7490 (add_bit_size_attribute): Use tree_low_cst.
7491 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7492 * dwarfout.c: Similar changes to dwarf2out.c.
7493 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7494 * genoutput.c (n_occurences): Return -1 for null string.
7495 (strip_whitespace): Accept null string and make into function.
7496 (scan_operands): Reflect above changes.
7497 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7498 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7499 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7500 * tree.c (int_size_in_bytes): Check for too big to represent.
7501 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7502 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7504 (min_precision): Delete from here.
7505 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7506 and int_bit_position.
7507 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7508 (encode_method_def): Likewise.
7509 (build_ivar_list_initializer): Use int_bit_position.
7510 (generate_shared_structures): Convert size.
7511 (encode_type, encode_complete_bitfield): Use integer_zerop.
7512 (encode_bitfield): Use tree_low_cst and int_bit_position.
7514 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7516 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7518 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7520 * call.c (special_function_p): It is only malloc if it returns
7523 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7525 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7526 (C33_FLAG, TARGET_C3X): Add macros.
7527 (TARGET_SWITCHES): Add -m33 option.
7528 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7530 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7532 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7533 (PARALLEL_PACK_FLAG): Delete.
7534 (TARGET_SWITCHES): Update.
7535 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7537 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7539 * fold-const.c (fold): Fix a few cases when the returned result
7540 is not of the same type as the input.
7542 2000-03-16 Nick Clifton <nickc@cygnus.com>
7544 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7547 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7549 * libgcc2.h: Move prototypes above macros with the same name.
7550 Wrap some function prototypes in the conditional which indicates
7551 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7553 2000-03-16 Richard Henderson <rth@cygnus.com>
7555 * calls.c: Revert last two changes.
7557 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7559 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7560 has exponent 0 is a zero.
7562 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7563 HASH may already be nonzero. Add code/mode into hash value
7564 immediately after repeat label.
7565 (cselib_lookup): Don't leave the hash table in an inconsistent
7566 state before a hash lookup operation.
7568 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7570 * i386.md (all HI and QI mode non-move patterns): Conditionize
7571 by TARGET_[HQ]IMODE_MATH.
7572 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7573 x86_promote_qi_regs): Declare.
7574 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7575 TARGET_PROMOTE_QI_REGS): New macros.
7576 (PROMOTE_MODE): New macro.
7577 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7578 x86_promote_qi_regs): New global variables.
7580 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7582 * calls.c (emit_library_call_value_1): Break out from ...; handle
7583 VOIDmode function calls too.
7584 (emit_library_call_value): ... here.
7585 (emit_library_call): Implement by calling emit_library_call_value_1.
7587 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7589 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7590 Update arg_space_so_far on stack adjustments.
7591 (emit_library_call, emit_library_call_value): Likewise; take into
7592 account arg_space_so_far and pending_stack_adjust when calculcating
7595 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7597 * flow.c: Move all basic block reordering code into its own file.
7598 (create_basic_block): Externalize.
7599 * bb-reorder.c: New file. Copy all basic block reordering code from
7600 flow.c to this file.
7601 (reorder_basic_blocks): Fix fencepost error in for-loop.
7602 (reorder_basic_blocks): Remove braces from single statement for-loops.
7603 * basic-block.h: Add declaration for create_basic_block.
7604 * Makefile.in: Add rules for bb-reorder.o.
7606 2000-03-16 Neil Booth <NeilB@earthling.net>
7608 * cppinit.c (handle_option): Implement #unassert directive
7609 as -A- command line option.
7610 (print_help): Update.
7611 * cpptexi.c: Update.
7613 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7615 * md.texi (Standard Names): Document `jump'.
7617 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7619 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7622 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7624 Merge changes from newppc-branch onto trunk.
7626 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7628 * rs6000.c (toc_hash_table): Update for new hash table functions.
7629 (toc_hash_function): Likewise.
7630 (toc_hash_eq): Likewise.
7631 (toc_hash_mark_entry): Likewise.
7632 (toc_hash_mark_table): Likewise.
7633 (output_toc): Likewise.
7634 (rs6000_add_gc_roots): Likewise.
7636 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7638 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7639 (AR_FLAGS_FOR_TARGET): here. New macro.
7641 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7643 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7644 fpmem_operand) Delete.
7646 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7647 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7648 (rs6000_save_machine_status, rs6000_restore_machine_status,
7649 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7650 references to above variables.
7651 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7652 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7653 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7654 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7655 (XER_REGNO_P, XER_REGNO): New.
7656 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7657 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7658 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7660 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7661 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7662 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7664 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7666 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7667 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7668 * rs6000.h: from here.
7670 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7671 (rs6000_select_rtx_section): Likewise.
7672 (rs6000_encode_section_info): Likewise.
7673 (sdata_section): Likewise.
7674 (sdata2_section): Likewise.
7675 (sbss_section): Likewise.
7676 * sysv4.h (rs6000_select_section): Delete prototype.
7677 (rs6000_select_rtx_section): Likewise.
7678 (rs6000_encode_section_info): Likewise.
7679 (sdata_section): Likewise.
7680 (sdata2_section): Likewise.
7681 (sbss_section): Likewise.
7682 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7684 * sysv4.h: Delete various unnecessary #undef's and put a comment
7685 on the remaining ones.
7686 Change various comments according to coding standard.
7688 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7690 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7691 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7692 (CR0_REGNO_P) Remove.
7693 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7694 setup_incoming_varargs, mtcrf_operation, print_operand,
7695 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7696 Use the above macros.
7698 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7700 * config/rs6000/rs6000.md: Added a new alternative for each
7701 pattern that had a 'x' alternative but no 'y' alternative.
7702 Added a new split for each of the above patterns.
7704 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7706 * aix41.h (ASM_CPU_SPEC): Delete.
7707 (CPP_CPU_SPEC): Delete.
7709 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7710 (ASM_OUTPUT_LABEL): Define.
7711 (ASM_GLOBALIZE_LABEL): Define.
7712 (STRIP_NAME_ENCODING): Define.
7713 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7714 (STRIP_NAME_ENCODING): Don't define.
7715 (ASM_OUTPUT_LABEL): Don't define.
7716 (ASM_GLOBALIZE_LABEL): Don't define.
7717 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7718 names, and ASM_OUTPUT_LABEL to output labels, rather than
7720 (ASM_OUTPUT_LABEL): Define.
7721 (ASM_OUTPUT_INT): Use assemble_name.
7722 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7723 (STRIP_NAME_ENCODING): Don't undefine first.
7724 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7726 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7727 specified with 'asm' even with -fleading-underscore.
7728 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7729 (output_epilog): Likewise.
7730 (output_toc): Likewise.
7731 * tramp.asm: Handle -fleading-underscore correctly.
7733 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7735 (nonlocal_goto_receiver): Delete.
7736 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7738 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7739 (SET_ASM_OP): Define.
7740 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7742 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7745 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7746 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7748 * rs6000.h: Add 'u' to more constants.
7750 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7752 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7754 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7756 * rs6000.c (reg_or_u_cint_operand): New function.
7757 (logical_operand): Handle 64-bit hosts.
7758 (logical_u_operand): New function.
7759 (non_logical_cint_operand): Handle 64-bit hosts.
7760 (non_logical_u_cint_operand): New function.
7761 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7762 (PREDICATE_CODES): Define new functions.
7763 * rs6000-protos.h: Declare new functions.
7764 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7765 (movdi_64): Bracket code intended for 64-bit hosts. Create
7766 CONST_DOUBLE for 32-bit values.
7767 (scc insns): Generate DImode compares.
7768 (mfcr insns): Create DImode versions.
7769 (sge matchers): New patterns.
7771 2000-02-15 Gabriel Paubert <paubert@iram.es>
7773 * rs6000.md: Correct instructions length attributes and
7774 constraints on unsigned compare instructions.
7775 (*ne0): Disable for PowerPC64.
7777 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7779 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7780 quantity, fix profile1.C test failure under -fPIC.
7782 * rs6000.c: Add 'u' to many constants to suppress warnings.
7783 (constant_pool_expr_1): Make static.
7784 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7785 * rs6000.h: Add 'u' to many constants to suppress warnings.
7787 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7788 for the start of the TOC, instead of LCTOC..0.
7789 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7791 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7792 (load_toc_aix_di): Use LCTOC..1.
7794 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7795 * rs6000.c (rs6000_legitimize_address): New function from
7796 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7797 symbols in the constant pool that really are TOC references.
7798 (print_operand_address): For ELF, write TOC offsets under
7799 -fPIC as subtractions in the insn.
7800 (output_toc): For ELF, define symbols in TOC as normal labels,
7802 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7803 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7804 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7805 * rs6000.md (movsi): Only use create_TOC_reference on
7806 symbols in the constant pool that really are TOC references.
7808 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7809 * rs6000.c (rs6000_reorg): Delete.
7810 * rs6000-protos.h (rs6000_reorg): Delete.
7812 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7814 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7816 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7817 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7818 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7819 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7820 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7821 rs6000_aix_emit_builtin_unwind_init.
7822 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7823 rs6000_emit_eh_toc_restore on AIX.
7824 (return_eh_si): Use r2.
7825 (return_eh_di): Use r2.
7827 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7828 since we're breaking binary compatibility anyway.
7830 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7832 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7833 constant_pool_expr_p): Declare them.
7834 (constant_pool_expr_p): Declare it.
7835 * config/rs6000/rs6000.c (toc_label_name): Define.
7836 (rs6000_override_options): Set toc_label_name.
7837 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7838 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7839 uses_TOC): New functions.
7840 (print_operand): Delete old '*' case.
7841 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7842 and strip off rtl for TOC before calling output_addr_const.
7843 (rs6000_emit_load_toc_table): Use toc_label_name.
7844 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7846 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7847 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7848 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7849 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7850 into explicit TOC_REGISTER offsets.
7851 (TOC_REGISTER): New macro.
7852 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7853 TARGET_TOC to reference TOC_REGISTER.
7854 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7855 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7856 uses_TOC before emitting label references.
7858 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7860 * rs6000.md (stack_tie): Fix warning.
7862 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7863 to handle -fleading-underscore.
7864 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7865 (USER_LABEL_PREFIX): New macro.
7866 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7867 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7868 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7869 call-linux can use the same multilibs.
7870 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7871 and call-linux multilibs. Do multilib with -fleading-underscore.
7872 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7873 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7876 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7877 have MASK_SOFT_FLOAT set.
7878 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7879 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7880 CPP_FLOAT_DEFAULT_SPEC.
7882 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7883 * rs6000.md: Whitespace change.
7884 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7885 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7887 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7889 * rs6000.md (eh_epilogue): New expander.
7890 (eh_reg_restore): New expand/split/insn combination.
7891 (return_eh_si): New insn.
7892 (return_eh_di): New insn.
7894 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7895 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7896 * eabi-ctors.c (__do_global_ctors): Register this object's
7897 frame. Clean up. Call atexit() after the constructors.
7898 (__do_global_dtors): Deregister this object's frame. Clean up.
7899 Allow for recursive calls to exit().
7900 * rs6000.c (fixuplabelno): New variable.
7901 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7902 TARGET_RELOCATABLE, it slows down exec() under linux.
7903 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7905 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7906 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7907 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7908 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7909 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7910 (ASM_OUTPUT_DWARF_ADDR): New macro.
7911 (ASM_OUTPUT_DWARF_DATA4): New macro.
7912 (ASM_OUTPUT_DWARF_DATA2): New macro.
7913 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7914 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7915 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7917 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7919 * rs6000.c (rs6000_sr_alias_set): New variable.
7920 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7921 (rs6000_emit_stack_tie): New function.
7922 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7923 in a way that dwarf2out can understand.
7924 (rs6000_frame_related): New function.
7925 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7926 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7927 Use rs6000_emit_stack_tie when needed.
7928 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7929 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7930 * rs6000.md (stack_tie): New insn.
7931 (return_internal_si): Allow return value to be in the count
7933 (return_internal_di): Likewise.
7935 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7937 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7939 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7941 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7943 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7945 * rs6000.md (stmw): Use the right POWER opcode.
7948 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7950 * rs6000-protos.h: New file.
7952 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7954 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7957 * sysv4.h: Likewise.
7959 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7961 * ../../configure.in: Delete powerpcle-*-winnt*
7962 and powerpcle-*-pe|powerpcle-*-cygwin*.
7963 * ../../configure: Regenerated.
7965 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7966 (TARGET_WINDOWS_NT): Delete.
7968 (CALL_NT_DLLIMPORT): Delete.
7969 Delete NT-specific code.
7970 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7973 * nt-ci.asm: Delete.
7974 * nt-cn.asm: Delete.
7975 * ntstack.asm: Delete.
7977 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7979 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7980 (ASM_FILE_START): Likewise.
7981 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7982 (ASM_OUTPUT_LABELREF): Likewise.
7983 (ASM_OUTPUT_SKIP): Likewise.
7984 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7985 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7986 (ASM_OUTPUT_CASE_LABEL): Likewise.
7987 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7988 (ASM_OUTPUT_ASCII): Likewise.
7990 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7992 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7993 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7994 increment rs6000_pic_labelno here.
7995 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7996 and increment rs6000_pic_labelno here.
7998 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8000 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8001 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8002 allocation knows (reg) is dead before the insn.
8004 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8006 * rs6000.md (movsi_to_cr): Correct typo in output template.
8008 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8010 * rs6000.c (rs6000_pic_labelno): Always define.
8011 (rs6000_pic_func_labelno): Delete.
8012 (lmw_operation): Check for a zero base register,
8013 which doesn't mean what we want.
8014 (stmw_operation): New function.
8015 (print_operand): Define new 'l' modifier.
8016 (rs6000_stack_info): We must save all 64 bits of the registers
8017 if TARGET_POWERPC64.
8018 (rs6000_output_load_toc_table): Delete.
8019 (rs6000_emit_load_toc_table): New function.
8020 (rs6000_allocate_stack_space): Delete.
8021 (rs6000_emit_allocate_stack): New function.
8022 (rs6000_emit_prologue): New function.
8023 (output_prolog): Use rs6000_emit_prologue.
8024 (rs6000_emit_epilogue): Change a few variable names to be
8025 more accurate. Restore all 64 bits of the registers if
8026 TARGET_POWERPC64. Only restore the FP registers which were used
8027 if they are being saved/restored one-at-a-time.
8028 (output_mi_thunk): Delete inefficient code generation.
8029 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8030 * rs6000.h: Declare rs6000_emit_load_toc_table,
8031 rs6000_allocate_stack_space, stmw_operation. Don't declare
8032 rs6000_output_load_toc_table.
8033 * rs6000.md (elf_high): Allow register 0, but discourage it
8035 (elf_low): Support loading into register 0.
8036 (load_toc_aix_si): New pattern.
8037 (load_toc_aix_di): New pattern.
8038 (load_toc_v4_pic_si): New pattern.
8039 (load_toc_v4_pic_di): New pattern.
8040 (load_toc_v4_PIC_1): New pattern.
8041 (load_toc_v4_PIC_1b): New pattern.
8042 (load_toc_v4_PIC_2): New pattern.
8043 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8044 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8045 (prologue): New expander.
8046 (movesi_from_cr): New pattern.
8047 (stmw): New pattern.
8048 (save_fpregs_si): New pattern.
8049 (save_fpregs_di): New pattern.
8051 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8053 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8058 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8060 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8062 (movsi_got_internal): Likewise.
8063 (movsi_got_internal+1): Likewise.
8064 (set_sp): 'unspec 7' does a SImode clobber.
8066 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8068 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8069 allocate a stack temporary.
8070 (floatsidf2_internal): Likewise.
8071 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8073 (floatunssidf2): Don't use the fpmem "register", just
8074 allocate a stack temporary.
8075 (floatunssidf2_internal): Likewise.
8076 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8078 (floatsidf2_loadaddr): Delete.
8079 (floatsidf2_store1): Delete.
8080 (floatsidf2_store2): Delete.
8081 (floatsidf2_load): Delete.
8082 (fix_truncdfsi2): Don't use the fpmem "register", just
8083 allocate a stack temporary.
8084 (fix_truncdfsi2_internal_si): Delete.
8085 (fix_truncdfsi2_internal_di): Delete.
8086 (fix_truncdfsi2_internal): New insn.
8087 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8088 (fix_truncdfsi2_store): Delete.
8089 (fix_truncdfsi2_load): Delete.
8090 (fctiwz): Produce gen_fctiwz.
8092 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8094 * eabi.h (INVOKE__main): Define.
8095 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8097 (rs6000_emit_prologue): Likewise.
8098 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8099 this is the main program.
8101 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8103 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8105 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8107 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8108 goes after the argument.
8110 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8112 * rs6000.md: Document 'unspec' values used.
8113 (epilogue): New expander.
8114 (movesi_to_cr_one): New expander.
8115 (movesi_to_cr and following): New pattern.
8117 (return_internal_si): New pattern.
8118 (return_internal_di): New pattern.
8119 (return_and_restore_fpregs_si): New pattern.
8120 (return_and_restore_fpregs_di): New pattern.
8121 * rs6000.h: Declare new functions.
8122 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8123 rather than rs6000_calls_p.
8124 (rs6000_makes_calls): Delete.
8125 (lmw_operation): New function.
8126 (mtcrf_operation): New function.
8127 (rs6000_emit_epilogue): New function.
8128 (output_epilog): Call rs6000_emit_epilogue and final if
8129 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8131 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8133 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8134 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8135 * aix.h (SUBTARGET_SWITCHES): Document switches.
8136 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8137 sched-prolog and sched-epilog the same. Document all the
8139 (TARGET_OPTIONS): No longer allow -mdebug-.
8141 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8143 * rs6000.h (ASM_FILE_END): Move to aix.h.
8144 (EXTRA_SECTIONS): Move to aix.h.
8145 (READONLY_DATA_SECTION): Move to aix.h.
8146 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8147 (SELECT_SECTION): Move to aix.h.
8148 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8149 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8150 (LINK_REGISTER_REGNUM): New definition.
8151 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8152 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8154 * sysv4.h: Delete the code between the inclusion of rs6000.h
8156 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8157 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8158 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8159 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8160 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8161 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8162 (fix_truncdfsi2_internal_di): New pattern.
8163 (fix_truncdfsi2_store): The second arg here is Pmode too.
8164 (fix_truncdfsi2_load): The second arg here is Pmode too.
8165 (tablejumpdi): Now that switch tables hold only SImode values,
8166 gcc needs to know how to add them to the pc which is DImode.
8167 * rs6000.c (rs6000_stack_info): Use symbolic name for
8168 LINK_REGISTER_REGNUM.
8169 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8170 (output_toc): Delete unused variables s1 and s2.
8171 (output_ascii): Use fputs not fprintf on a variable string.
8173 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8175 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8176 * aix43.h: Revert Aug 2 change.
8177 (HAS_INIT_SECTION): Define, not visible yet.
8178 (LD_INIT_SWITCH): Define, not visible yet.
8179 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8181 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8183 * config/rs6000/rtems.h: Include config/rtems.h.
8185 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8187 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8188 (SLOW_UNALIGNED_ACCESS): Define.
8189 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8190 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8191 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8192 (toc_section): Likewise and .toc pseudo-op.
8193 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8195 (TEXT_SECTION_ASM_OP): Likewise.
8196 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8199 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8201 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8202 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8205 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8207 * rs6000.h: Move more stuff from here...
8209 * sysv4.h: Cleanup accordingly.
8210 * netware.h: Likewise
8212 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8214 * rs6000.h: Continue cleanup.
8217 * netware.h: Likewise.
8219 * sysv4.h: Likewise.
8220 * win-nt.h: Likewise.
8222 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8223 (TARGET_OPTIONS): Likewise.
8225 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8226 (SUBTARGET_OPTIONS): Likewise.
8228 * rs6000.md: Fix compile time warnings.
8230 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8232 vxworks patches from the Cygnus tree originally by
8233 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8234 <vmakarov@cygnus.com>.
8235 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8236 (ENDFILE_SPEC): Likewise.
8237 (LIB_VXWORKS_SPEC): New macro.
8238 (STARTFILE_VXWORKS_SPEC): New macro.
8239 (ENDFILE_VXWORKS_SPEC): New macro.
8240 (LINK_START_VXWORKS_SPEC): New macro.
8241 (LINK_OS_VXWORKS_SPEC): New macro.
8242 (CPP_OS_VXWORKS_SPEC): New macro.
8243 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8244 * vxppc.h: Rewrite to use proper configuration method.
8245 * vxppcle.h: New file.
8246 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8247 * ../../configure: Rebuilt.
8249 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8251 Lots of changes to rs6000.h, sysv4.h, aix.h,
8252 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8253 with the aim that rs6000.h is the first header
8254 included and the others override it.
8257 * x-aix41-gld: Remove.
8259 * x-aix41: Remove target-specific switches, and don't specify
8260 -Wl,-bbigtoc as we don't need it any more.
8261 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8262 Use t-aix43 for AIX 4.3 and above.
8263 * ../../configure: Regenerated.
8265 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8266 options, that don't do anything yet.
8267 (MASK_SCHED_PROLOG): New macro.
8268 (MASK_SCHED_EPILOG): New macro.
8269 (TARGET_SCHED_PROLOG): New macro.
8270 (TARGET_SCHED_EPILOG): New macro.
8272 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8274 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8275 one per translation unit, not one per function.
8276 (output_toc): Also do duplicate constant elimination
8277 for per-translation-unit TOCs.
8279 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8280 a comment explaining _exactly_ when this pattern gets used.
8281 (builtin_setjmp_receiver): New pattern for better clarity.
8282 (init_v4_pic): Move it into a section dealing with TOC registers.
8284 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8286 * rs6000.c (toc_hash_table): New variable.
8287 (rs6000_hash_constant): New function.
8288 (toc_hash_function): New function.
8289 (toc_hash_eq): New function.
8290 (toc_hash_mark_entry): New function.
8291 (toc_hash_mark_table): New function.
8292 (output_toc): Don't output duplicate TOC entries in
8294 (rs6000_add_gc_roots): Add the hash table as a GC root.
8295 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8296 where they clearly shouldn't be. This may need to be fixed
8297 later when there is a GNU ar for AIX.
8298 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8299 Don't define BOOT_LDFLAGS as it is now not necessary.
8301 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8303 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8304 for va_list on AIX. Use unsigned_char_type_node rather than
8305 constructing our own version on svr4.
8307 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8309 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8310 since patently it's not.
8312 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8314 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8315 define_expand/define_insn pair, and handle restore of the
8316 SVR4 -fpic register.
8318 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8320 * acconfig.h (HAVE_GAS_WEAK): New define.
8321 * configure.in (assembler weak support): Check for .weak support.
8322 * config.in, configure: Rebuilt.
8323 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8324 HAVE_GAS_WEAK is defined.
8326 2000-03-15 Nick Clifton <nickc@cygnus.com>
8328 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8331 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8333 * cppfiles.c (open_include_file): New function.
8334 (find_include_file, cpp_read_file): Use it.
8336 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8338 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8340 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8342 * flow.c (verify_flow_info): Check for unconditional return.
8344 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8346 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8347 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8348 (__ia64_restore_stack_nonlocal): New.
8349 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8351 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8353 * cpphash.c (collect_formal_parameters): Do not complain about
8354 parameter names that just start with `__VA_ARGS__'.
8356 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8358 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8359 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8360 * i386.c (pentiumpro_cost): Set mul cost to 4.
8361 (x86_use_movx): Set for PPro.
8363 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8365 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8366 STACK_BOUNDARY for empty frames now.
8368 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8370 * stor-layout.c (layout_union): Remove.
8371 (layout_union_field): New function, split out from layout_union.
8372 (finish_union_layout): Likewise.
8373 (layout_field): Handle unions by calling layout_union_field.
8374 (finish_record_layout): Handle unions.
8375 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8376 QUAL_UNION_TYPE handling.
8378 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8380 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8381 end of basic block is jump_insn, not barrier; use create_basic_block
8382 instead of creating basic block by hand.
8384 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8386 * flow.c (reorder_basic_blocks): Account for barriers when writing
8387 over NEXT_INSN (last_bb->end).
8388 (verify_flow_info): Add check for missing barriers.
8390 2000-03-14 Greg McGary <gkm@gnu.org>
8392 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8393 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8394 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8395 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8396 __unbounded, __unbounded__): New keywords.
8397 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8398 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8399 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8401 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8403 * cselib.h: New file.
8404 * alias.c: Include "cselib.h".
8405 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8406 MEMs as two new arguments.
8407 (get_addr): New static function.
8408 (find_base_term): Handle VALUEs.
8409 (memrefs_conflict_p): Likewise.
8410 (true_dependence): Call get_addr on the addresses.
8411 Call fixed_scalar_and_varying_struct_p with addresses that have been
8412 passed through get_addr and canon_rtx.
8413 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8414 with true_dependence.
8415 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8416 * loop.c: Include "cselib.h".
8417 (load_mems): Process extended basic block that enters the loop with
8418 cselib. Use that information to change initialization of the shadow
8419 register so that a constant equivalence is seen by later passes.
8420 * reload1.c: Include "cselib.h".
8421 (reload_cse_invalidate_regno): Delete function.
8422 (reload_cse_mem_conflict_p): Likewise.
8423 (reload_cse_invalidate_mem): Likewise.
8424 (reload_cse_invalidate_rtx): Likewise.
8425 (reload_cse_regno_equal_p): Likewise.
8426 (reload_cse_check_clobber): Likewise.
8427 (reload_cse_record_set): Likewise.
8428 (reg_values): Delete static variable.
8429 (invalidate_regno_rtx): Likewise.
8430 (reload_cse_delete_noop_set): New static function.
8431 (reload_cse_simplify): New static function, broken out of
8433 (reload_cse_noop_set_p): Delete unused argument INSN.
8434 Just call rtx_equal_for_cselib_p on set source and destination.
8435 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8436 reload_cse_delete_noop_set. Delete code to keep track of values; use
8437 cselib functions instead. Delete code to push/pop obstacks.
8438 (reload_cse_simplify_set): Use cselib to find equivalent values.
8439 Delete code to push/pop obstacks.
8440 (reload_cse_simplify_operands): Likewise.
8441 * rtl.def (VALUE): New rtx code.
8442 * rtl.h (union rtunion_def): New elt rt_cselib.
8443 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8444 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8445 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8446 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8447 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8448 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8449 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8450 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8451 cselib_record_set, cselib_record_sets): New static functions.
8452 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8453 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8454 references_value_p): New functions.
8455 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8456 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8457 n_useless_values, reg_values, callmem, cselib_obstack,
8458 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8459 New static variables.
8460 * varray.h (union varray_data_tag): New elt te.
8461 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8462 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8465 2000-03-14 Nick Clifton <nickc@cygnus.com>
8467 * gcc.c (do_spec_1): Catch the case where %* is used in a
8468 substitution pattern, but it has not been initialised.
8469 Issue a meaningful error message if an unrecognised operator
8470 is encountered in a spec string.
8472 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8474 * function.c (prepare_function_start): Correctly initialize
8475 cfun->stack_alignment_needed.
8477 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8479 * cppfiles.c (find_include_file): Don't assume nshort is a
8482 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8484 * configure.in (hppa configurations): Add pa32-regs.h to the
8485 list of tm files as appropriate.
8486 * configure: Rebuilt.
8487 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8489 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8490 (fmpyaddoperands, fmpysuboperands): Likewise.
8491 * pa.h: Remove various definitions which depend on knowing
8492 how registers are numbered.
8493 * pa32-regs.h: New file with PA32 register numbering specific
8496 2000-03-14 Richard Henderson <rth@cygnus.com>
8498 * regmove.c (combine_stack_adjustments): New.
8499 (stack_memref_p, single_set_for_csa): New.
8500 (free_csa_memlist, record_one_stack_memref): New.
8501 (try_apply_stack_adjustment): New.
8502 (combine_stack_adjustments_for_block): New.
8503 * rtl.h (combine_stack_adjustments): Declare.
8504 * toplev.c (rest_of_compilation): Call it.
8506 * i386.md: Revert 2000-01-16 change.
8508 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8510 * gccbug.in: Add web category, gcc specific classes.
8512 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8514 * stor-layout.c (finalize_record_size): Fix typo.
8516 2000-03-14 Stan Shebs <shebs@apple.com>
8518 * c-typeck.c (c_alignof): Error on incomplete types.
8519 * extend.texi (Alignment): Document this.
8521 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8523 * cppfiles.c: Include mkdeps.h.
8524 (find_include_file, read_include_file): Remove _cpp_ prefix
8525 from name, make static.
8526 (_cpp_execute_include): New function, broken out of
8529 * cpplib.c: Don't include mkdeps.h.
8530 (struct directive): Remove type field. Reorder entries. The
8531 function takes only one argument.
8532 (struct if_stack): Make type field an int.
8533 (directive_table): Rename to dtable. Generate it, the
8534 prototypes of the directive handlers, and the enum for the
8535 directive numbers, from a template macro.
8536 (do_ifndef, do_include_next, do_import): New functions.
8537 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8538 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8539 do_ident, do_assert, do_unassert, do_sccs): Take only one
8541 (do_sccs): Define always, but alter behavior based on
8543 (_cpp_handle_directive, consider_directive_while_skipping):
8544 Restructure for new directive table layout.
8546 (pass_thru_directive): Take a directive number, not a pointer
8547 to a struct directive.
8548 (parse_include): New function, broken out of do_include.
8549 (do_include, do_import, do_include_next): Use parse_include
8550 and _cpp_execute_include.
8551 (do_elif, do_else): Test for T_ELSE specifically when checking
8552 for #elif/#else after #else.
8553 (parse_ifdef): New function, broken out of do_ifdef.
8554 (validate_else): Expect a name arg without a leading #.
8555 (if_directive_name): Delete.
8556 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8557 directive handlers with only one argument.
8559 * cpphash.h: Update prototypes.
8560 (enum node_type): Remove entries for directives.
8561 * Makefile.in: Update dependencies.
8563 * cpphash.c (dump_hash_helper): Only dump nodes of type
8564 T_MACRO. Emit a newline after each definition.
8566 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8568 * gccbug.in: New file.
8569 * configure.in (all_outputs): Add gccbug.
8570 * Makefile.in (install-common): Install gccbug.
8571 (GCCBUG_INSTALL_NAME): New variable.
8572 * configure: Rebuilt.
8574 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8576 * function.c (put_var_into_stack): Use type_for_mode to calculate
8577 part_type. Use MEM_SET_IN_STRUCT_P.
8578 * expr.c (store_field): Handle CONCAT.
8579 (store_constructor): Use fields_length.
8580 * tree.c (fields_length): New fn.
8581 * tree.h: Declare it.
8583 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8585 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8586 (cpplex.o): New target.
8587 * po/POTFILES.in: Add cpplex.c.
8589 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8590 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8591 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8592 skip_block_comment, skip_line_comment, skip_comment,
8593 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8594 _cpp_parse_name, skip_string, parse_string,
8595 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8596 _cpp_get_directive_token, find_position,
8597 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8598 (maybe_macroexpand, _cpp_lex_token): New functions.
8600 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8601 parse_goto_mark): Delete.
8602 (_cpp_handle_eof): New function.
8603 (_cpp_handle_directive): Rename from handle_directive.
8604 (_cpp_output_line_command): Rename from output_line_command.
8605 (do_if, do_elif): Call _cpp_parse_expr directly.
8606 * cppfiles.c (_cpp_read_include_file): Don't call
8607 init_input_buffer here.
8608 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8609 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8610 here; pop the token_buffer and skip the rest of the line here.
8611 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8614 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8616 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8617 CPP_GOTO_MARK): New macros.
8618 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8619 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8620 _cpp_read_and_prescan, _cpp_init_input_buffer,
8621 _cpp_grow_token_buffer, _cpp_get_directive_token,
8622 _cpp_handle_directive, _cpp_handle_eof,
8623 _cpp_output_line_command): Prototype them here.
8624 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8625 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8626 quote_string, output_line_command): Remove.
8628 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8630 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8631 whether it is too large we must also verify that it isn't negative.
8633 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8635 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8636 (movsi_zero_liveg0): Remove.
8637 (movsf_insn_novis_liveg0): Remove.
8639 (negsi2_not_liveg0): Rename to negsi2.
8640 (one_cmplsi2): Remove.
8641 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8642 (one_cmplsi2_liveg0): Remove.
8643 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8644 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8645 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8646 (PREDICATE_CODES): Remove zero_operand.
8647 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8648 TARGET_BROKEN_SAVERESTORE.
8649 (zero_operand): Remove.
8650 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8651 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8653 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8654 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8655 TARGET_BROKEN_SAVERESTORE): Remove.
8656 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8658 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8660 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8663 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8665 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8667 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8668 truncating a string. Don't assume tokens are nul terminated.
8669 Problem noted by Andreas Jaeger <aj@suse.de>
8671 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8673 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8674 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8675 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8677 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8679 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8680 STRUCTURE_SIZE_BOUNDARY.
8682 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8684 * tree.h (record_layout_info_s): New structure.
8685 (record_layout_info): New type.
8686 (new_record_layout_info): New function.
8687 (layout_field): Likewise.
8688 (finish_record_layout): Likewise.
8689 * stor-layout.c (layout_record): Remove.
8690 (new_record_layout_info): New function.
8691 (layout_field): New function, broken out from layout_record.
8692 (finalize_record_size): Likewise.
8693 (compute_record_mode): Likewise.
8694 (finalize_type_size): New function, broken out from layout_type.
8695 (finish_record_layout): Likewise.
8696 (layout_type): Use them.
8698 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8700 * cpphash.c: Don't include version.h.
8701 (special_symbol) [case T_VERSION]: Look for the string in
8702 hp->value.cpval; don't use version_string.
8703 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8704 __VERSION__ to version_string.
8705 * Makefile.in (cpphash.o): Update deps.
8707 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8709 Convert cpplib to use libiberty/hashtab.c.
8711 * cpplib.h (struct cpp_reader): Make hashtab and
8712 all_include_files of type 'struct htab *'. Delete HASHSIZE
8713 and ALL_INCLUDE_HASHSIZE macros.
8715 * cpphash.h: Update prototypes.
8716 (struct hashnode): Remove next, prev, and bucket_hdr members.
8717 Make length a size_t. Add hash member.
8718 (struct ihash): Remove next member. Add hash member. Make
8719 name a flexible array member.
8721 * cppfiles.c: Include hashtab.h.
8722 (include_hash): Delete.
8723 (IHASHSIZE): New macro.
8724 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8725 (cpp_included): Do the hash lookup here.
8726 (_cpp_find_include_file): Rewrite.
8727 (cpp_read_file): Put the "fake" hash entry into the hash
8728 table. Honor the control_macro, if it turns out we've seen
8729 the file before. Don't push the buffer here.
8730 (_cpp_read_include_file): Push the buffer here.
8731 (OMODES): New macro. Use it whenever we call open(2).
8733 * cpphash.c: Include hashtab.h.
8734 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8735 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8736 _cpp_lookup_slot): New functions.
8737 (HASHSIZE): new macro.
8738 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8739 (_cpp_lookup): Use hashtab.h routines.
8741 * cppinit.c: Include hashtab.h.
8742 (cpp_reader_init): Call _cpp_init_macro_hash and
8743 _cpp_init_include_hash. Don't allocate hashtab directly.
8744 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8745 pfile->all_include_files.
8746 (initialize_builtins): Use _cpp_make_hashnode and
8747 htab_find_slot to add hash entries.
8748 (cpp_finish): Just call _cpp_dump_macro_hash.
8749 * cpplib.c: Include hashtab.h.
8750 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8751 create hash entries.
8752 (do_pragma_poison, do_assert): Likewise.
8753 (do_include): Don't push the buffer here. Don't increment
8754 system_include_depth unless _cpp_read_include_file succeeds.
8755 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8757 (do_pragma_implementation): Use alloca to create copy.
8759 * Makefile.in: Update dependencies.
8761 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8763 * cppinit.c (cl_directive_handler): More K&R fixing.
8765 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8767 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8769 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8771 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8773 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8774 Change from char[] to macros.
8776 2000-03-12 Neil Booth <NeilB@earthling.net>
8778 * cppinit.c (cpp_start_read): Update indirect function
8781 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8783 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8786 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8787 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8789 2000-03-11 Neil Booth <NeilB@earthling.net>
8791 * cppinit.c (struct pending option): Replace undef with a
8792 pointer to a directive handling routine.
8793 (struct cpp_pending): Replace separate assert_ and define_
8794 lists with one directive_ list.
8795 (new_pending_define): Rename new_pending_directive. Extra
8796 argument is the directive's handling routine.
8797 (handle_option): Update to use new_pending_directive.
8799 2000-03-11 Neil Booth <NeilB@earthling.net>
8801 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8802 remap_filename, _cpp_read_include_file, actual_directory,
8803 hack_vms_include_specification): Replace bcopy(), index() etc
8804 calls. Add casts to some allocations. Make some variables
8805 pointers to const [unsigned] char.
8806 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8807 collect_formal_parameters): Similarly.
8808 * cppinit.c (struct pending_option, append_include_chain,
8809 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8810 cpp_start_read, new_pending_define, handle_option): Similarly.
8811 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8812 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8813 do_pragma_implementation, detect_if_not_defined,
8814 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8815 do_assert, do_unassert): Similarly.
8816 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8817 function prototypes.
8818 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8820 2000-03-10 Richard Henderson <rth@cygnus.com>
8822 * builtins.c (expand_builtin_strlen): Revert last change.
8823 Use emit_insn_before if we're at the beginning of a sequence.
8825 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8827 * builtins.c (expand_builtin_strlen): Make sure that we have something
8828 at the beginning of the sequence.
8830 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8833 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8835 2000-03-10 Richard Henderson <rth@cygnus.com>
8837 * except.c (can_throw): Use INTVAL on a CONST_INT.
8838 (reachable_handlers): Likewise.
8839 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8841 2000-03-10 Andreas Jaeger <aj@suse.de>
8843 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8844 MD_STARTFILE_PREFIX since those are not needed on linux.
8845 (ASM_FILE_START): New, from mips/gnu.h.
8847 2000-03-09 Richard Henderson <rth@cygnus.com>
8848 Alex Samuel <samuel@codesourcery.com> and others
8850 * Makefile.in (ssa.o): New rule.
8852 (STAGESTUFF): Add *.ssa and *.ussa.
8853 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8854 * rtl.def (PHI): New RTL expression.
8855 * rtl.h (clear_log_links): New declaration.
8856 (convert_to_ssa): Likewise.
8857 (convert_from_ssa): Likewise.
8858 * flow.c (split_edge): If the entry node falls through to the
8859 split edge's source block, split the entry edge.
8860 (clear_log_links): New function.
8861 * toplev.c (ssa_dump): New variable.
8862 (flag_ssa): Likewise.
8863 (f_options): Add "ssa".
8864 (compile_file): Create SSA dump files.
8865 (rest_of_compilation): Go to and from SSA if enabled.
8866 (decide_d_option): Handle -de for SSA dump files.
8869 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8871 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8874 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8876 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8878 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8880 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8881 (MD_STARTFILE_PREFIX_1): New macro.
8883 2000-03-09 Robert Lipe <robertl@sco.com>
8885 * config/ia64/ia64.c: Include system.h.
8887 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8889 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8890 (init_eh_nesting_info): Likewise.
8892 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8893 (TREE_NOTHROW): Rename from TREE_RAISES.
8894 * toplev.c (rest_of_compilation): Set it.
8895 * print-tree.c (print_node): Adjust.
8896 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8897 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8898 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8899 REG_EH_REGION note as appropriate.
8900 (libfunc_nothrow): New fn.
8901 (emit_library_call, emit_library_call_value): Use it.
8902 (expand_call): Check TREE_NOTHROW.
8904 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8905 DECL_ASSEMBLER_NAME.
8907 2000-03-09 Andreas Jaeger <aj@suse.de>
8909 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8910 (TARGET_MEM_FUNCTIONS): Define.
8912 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8914 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8916 * except.c (can_throw): See through a SEQUENCE.
8917 (nothrow_function_p): New fn.
8918 * except.h: Declare it.
8919 * function.c (current_function_nothrow): New var.
8920 (prepare_function_start): Initialize it.
8921 * output.h: Declare it.
8922 * toplev.c (rest_of_compilation): Set it.
8923 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8925 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8927 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8928 match. (cpp_compare_defs): Count the nul separator when
8929 advancing over argument names.
8931 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8933 * recog.c (preprocess_constraints): Matching constraints affect
8934 same alternative/different operand, not same operand/different
8937 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8938 register and a constant specially.
8940 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8942 * libgcc2.h: New file.
8943 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8945 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8947 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8948 * configure: Regenerate.
8951 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8953 * Makefile.in (LIBCPP_DEPS): New macro.
8954 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8956 * cpperror.c: Include cpphash.h.
8957 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8959 (lex): Don't use CPP_WARN_UNDEF.
8960 (_cpp_parse_expr): Return an int, the truth value.
8961 * cppfiles.c: Include cpphash.h.
8962 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8963 * cppinit.c (include_defaults_array): Disentangle.
8964 (cpp_cleanup): Don't free the if stack here.
8965 (cpp_finish): Pop off all buffers, not just one.
8966 * cpplib.c (eval_if_expr): Return int.
8967 (do_xifdef): Rename do_ifdef.
8968 (handle_directive): Don't use CPP_PREPROCESSED.
8969 (cpp_get_token): Don't use CPP_C89.
8970 * fix-header.c: Don't use CPP_OPTIONS.
8972 * cpplib.h: Move U_CHAR, enum node_type, struct
8973 file_name_list, struct ihash, is_idchar, is_idstart,
8974 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8975 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8976 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8977 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8978 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8979 of _cpp_simplify_pathname, _cpp_find_include_file,
8980 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8981 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8983 Change all uses of U_CHAR to be unsigned char instead.
8984 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8986 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8988 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8989 (dwarf2out_begin_prologue): Set it.
8990 (output_call_frame_info): Don't emit EH unwind info for leaves.
8992 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8993 can occur outside of an EH region.
8994 * except.c: Correct comments about rethrow behavior.
8995 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8997 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8999 * flow.c (make_edges): Always call make_eh_edge for calls.
9001 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9003 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9004 (struct cpp_buffer): Remove fname and underflow fields.
9005 (struct cpp_reader): Remove get_token field.
9006 (struct include_hash): Rename to struct ihash. Add typedef to
9008 (struct if_stack): Remove fname field.
9009 (IF_STACK_FRAME): Rename to IF_STACK.
9011 * cpperror.c (print_containing_files): Trust that there are no
9012 macro buffers below the top file buffer.
9013 * cppfiles.c: Replace all references to 'struct include_hash'
9014 with 'IHASH'. Rename initialize_input_buffer to
9015 init_input_buffer. Don't set or reference cpp_buffer->fname,
9016 use buffer->ihash->name instead.
9017 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9018 not CPP_NULL_BUFFER.
9019 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9020 IF_STACK_FRAME, IHASH not struct include_hash.
9021 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9022 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9023 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9024 references to cpp_buffer->fname (delete entirely, or use
9025 ->ihash->name instead) and IF_STACK->fname.
9026 (cpp_push_buffer): Don't set new->underflow.
9027 (do_include): Use cpp_file_buffer.
9029 * cpphash.c (collect_formal_parameters): Remove duplicate
9030 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9031 used as a macro argument name. Don't append "..." to namebuf
9032 for varargs macros. After we're done scanning, go through
9033 namebuf and make it NUL separated, not comma separated.
9034 (_cpp_compare_defs): Remove register tag from variables.
9035 Expect defn->argnames to be NUL separated.
9036 (_cpp_dump_definition): Expect defn->argnames to be NUL
9037 separated and in forward order.
9038 * cpphash.h: Update documentation of argnames field.
9040 2000-03-08 Richard Henderson <rth@cygnus.com>
9042 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9043 to fail. Don't pre-expand the source operand.
9045 * i386.md (strlensi): Initialize eoschar and align before use.
9047 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9049 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9050 CONSTRUCTOR element.
9052 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9054 * mips.c (mips_expand_prologue): If the last
9055 named argument is the vararg marker "va_list", treat it as
9056 an unnamed argument.
9058 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9060 * dbxout.c (dbxout_parms): When correcting for promoted
9061 big-endian parameters, use the mode of the DECL_RTL rather
9062 than UNITS_PER_WORD.
9064 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9066 * c-common.h (make_fname_decl): Declare.
9067 * c-common.c (make_fname_decl): Define.
9068 (declare_hidden_char_array): Remove.
9069 (declare_function_name): Use make_fname_decl.
9070 * c-decl.c (c_make_fname_decl): New function.
9071 (init_decl_processing): Set make_fname_decl.
9073 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9075 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9077 2000-03-07 Philipp Thomas <pthomas@suse.de>
9079 * po/POTFILES.in: Remove cppalloc.c from file list.
9081 2000-03-07 Steve Chamberlain <sac@pobox.com>
9083 * pj.c (pj_expand_prologue): current_function->args_info is
9084 now current_function_args_info.
9086 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9087 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9088 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9090 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9092 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9093 output as hexadecimal rather than the default octal.
9095 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9097 * cpphash.c (special_symbol): Fix thinko in previous commit.
9099 2000-03-07 Neil Booth <NeilB@earthling.net>
9101 * cppexp.c (struct operation, left_shift, right_shift,
9102 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9103 "int"s to "unsigned int"s.
9104 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9106 * cpplib.h: Update for above.
9107 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9108 returned from allocations.
9110 * cppinit.c (opt_comp, parse_options): New functions.
9111 (handle_option): Use parse_option to parse a single command
9112 line option, that possibly takes an argument.
9113 (cpp_handle_options): Sort the array of command line options on
9114 first invocation (non-ASCII hosts only).
9115 (print_help): Update.
9117 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9119 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9120 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9122 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9124 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9126 * cpperror.c (cpp_print_containing_files,
9127 cpp_print_file_and_line, v_cpp_message): Rename to
9128 print_containing_files, print_file_and_line, and v_message.
9129 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9130 to _cpp_parse_expr, parse_escape, and lex.
9131 (parse_charconst): Remove broken multibyte support.
9132 * cppfiles.c (include_hash): Make static.
9133 (cpp_included): New function.
9134 (merge_include_chains, find_include_file, finclude,
9135 simplify_pathname): Rename to _cpp_merge_include_chains,
9136 _cpp_find_include_file, _cpp_read_include_file, and
9137 _cpp_simplify_pathname.
9138 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9139 cpp_install, create_definition, macroexpand, compare_defs,
9140 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9141 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9142 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9143 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9145 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9147 * cpphash.h: Update prototypes.
9148 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9150 2000-03-07 Andrew Haley <aph@cygnus.com>
9152 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9153 PTRDIFF_TYPE should be based solely on Pmode.
9156 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9158 * rtl.h (rtunion_def): Constify member `rtstr'.
9159 (emit_line_note_after, emit_line_note, emit_line_note_force,
9160 emit_note, decode_asm_operands): Constify.
9162 * cse.c (canon_hash): Likewise.
9164 * dbxout.c (dbxout_block): Likewise.
9166 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9167 v_warning_for_asm): Likewise.
9169 * dwarfout.c (function_start_label): Likewise.
9171 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9172 emit_line_note_force): Likewise.
9174 * final.c (last_filename, asm_insn_count, final_scan_insn,
9175 output_source_line): Likewise.
9177 * function.h (struct emit_status): Likewise.
9179 * gcse.c (hash_expr_1): Likewise.
9181 * genattr.c (gen_attr, main): Likewise.
9183 * genattrtab.c (struct function_unit, current_alternative_string,
9184 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9185 attr_numeral, check_attr_test, check_attr_value,
9186 convert_set_attr_alternative, convert_set_attr,
9187 compute_alternative_mask, simplify_by_exploding, gen_attr,
9188 gen_unit): Likewise.
9190 * genflags.c (gen_insn): Likewise.
9192 * gengenrtl.c (type_from_format): Likewise.
9194 * genopinit.c (gen_insn): Likewise.
9196 * genoutput.c (n_occurrences, process_template, process_template):
9199 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9202 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9205 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9206 ggc_set_mark, ggc_get_size): Likewise.
9208 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9210 * optabs.c (init_one_libfunc): Likewise.
9212 * output.h (assemble_start_function): Likewise.
9214 * recog.c (decode_asm_operands): Likewise.
9216 * toplev.c (rest_of_compilation): Likewise.
9218 * tree.h (emit_line_note_after, emit_line_note,
9219 emit_line_note_force): Likewise.
9221 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9222 asm_emit_uninitialised, assemble_start_function,
9223 assemble_variable, const_hash, compare_constant_1,
9224 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9226 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9228 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9230 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9232 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9234 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9235 arm_dllimport_name_p): Likewise.
9237 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9240 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9242 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9244 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9245 arm_mark_dllexport, arm_mark_dllimport,
9246 arm_pe_encode_section_info): Likewise.
9248 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9249 ASM_FINISH_DECLARE_OBJECT): Likewise.
9251 * arm/thumb.c (thumb_function_prologue): Likewise.
9253 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9255 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9257 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9259 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9261 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9263 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9265 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9266 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9268 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9270 * i386/i386.c (asm_output_function_prefix): Likewise.
9272 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9274 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9276 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9278 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9279 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9280 ASM_OUTPUT_SECTION_NAME): Likewise.
9282 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9284 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9286 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9288 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9290 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9292 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9294 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9296 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9298 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9300 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9302 * mips/mips.md (movdi, movsi): Likewise.
9304 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9306 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9308 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9310 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9311 ASM_OUTPUT_ASCII): Likewise.
9313 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9314 output_mi_thunk, output_toc): Likewise.
9316 * rs6000/rs6000.md (movsi): Likewise.
9318 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9320 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9322 * v850/v850.c (print_operand, print_operand_address,
9323 v850_encode_data_area): Likewise.
9325 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9327 * config/mips/mips.md (zero_extendsidi2): Always force operand
9328 one to memory for mips16.
9330 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9332 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9333 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9334 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9335 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9336 (min_precision): Result is unsigned.
9337 (add_double, neg_double, mul_double): Low word is unsigned.
9338 (lshift_double, rshift_double, lrotate_double): Likewise.
9339 (rrotate_double, div_and_round_double): Likewise.
9340 (tree_floor_log2, compare_tree_int): New functions.
9341 (preserve_rtl_expr_temps): New declaration.
9342 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9343 (decl_attributes): Use tree_log2 to find alignment.
9344 Check for TREE_INT_CST_HIGH for format args.
9345 (min_precision): Now unsigned.
9346 Use tree_floor_log2.
9347 (truthvalue_conversion): Delete long-disabled code.
9348 * c-decl.c (finish_struct): Clean up tests on field width.
9349 (finish_function): Use compare_tree_int.
9350 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9351 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9352 (default_conversion, digest_init): Use compare_tree_int.
9353 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9354 Fix type errors in forming masks.
9355 * calls.c (initialize_argument_information): Use compare_tree_int.
9356 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9357 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9358 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9359 (store_field): Use compare_tree_int.
9360 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9361 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9362 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9363 (do_store_flag): Use compare_tree_int.
9364 * fold-const.c (encode, decode): Low part is always unsigned.
9365 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9366 (lshift_double, rshift_double, lrotate_double): Likewise.
9367 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9368 (fold_convert): Use compare_tree_int.
9369 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9370 (invert_truthvalue, case INTEGER_CST): Likewise.
9371 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9372 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9373 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9374 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9376 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9377 (expand_end_case): Use compare_tree_int.
9378 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9379 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9380 (layout_decl): Likewise.
9381 (layout_record, layout_union): Make sizes unsigned.
9382 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9383 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9384 * tree.c (struct type_hash): hashcode is unsigned.
9385 (build_type_attribute_variant, type_hash_list): Likewise.
9386 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9387 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9388 (build_complex_type): Likewise.
9389 (real_value_from_int_cst): Remove unneeded casts.
9390 (integer_all_onesp): Add casts.
9391 (tree_floor_log2, compare_tree_int): New functions.
9392 (build_index_type): Use tree_int_cst_sgn.
9393 * varasm.c (assemble_variable): Use compare_tree_int.
9395 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9397 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9399 * varasm.c (make_decl_rtl): Don't add a number to members of
9401 (make_function_rtl): Likewise.
9403 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9405 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9406 patch from 2000-01-28.
9408 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9410 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9411 filled with an insn from the jump target.
9413 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9415 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9416 (c4x_external_ref): Likewise.
9417 * config/c4x/c4x.c (struct name_list): Likewise.
9419 1999-12-16 Ben Collins <bcollins@debian.org>
9421 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9422 argument to genmultilib.
9423 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9424 the contents into the multilib.h header.
9425 * gcc.c: Declare multilib_exclusions for the specs file.
9426 (set_multilib_dir): Use it.
9427 (print_multilib_info): Likewise.
9428 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9429 to pass to genmultilib.
9431 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9433 * builtins.c (built_in_class_names, built_in_names): Constify a
9436 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9438 (_mcleanup): Ensure value matches format specifier in sprintf.
9440 * cpphash.c (special_symbol): Don't needlessly cast away
9443 * cppinit.c (base_name): Delete unused prototype.
9445 * mkdeps.c (deps_init): Make definition K&R safe.
9447 * tree.h (built_in_class_names, built_in_names): Constify a
9450 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9452 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9453 floating point instructions for epilogue delay.
9455 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9456 to gas if it supports .register pseudo.
9458 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9459 LONG_DOUBLE_TYPE_SIZE if not defined.
9460 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9461 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9463 * gengenrtl.c: Likewise.
9464 * print-rtl.c: Likewise.
9466 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9467 MASK_LONG_DOUBLE_128.
9468 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9469 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9470 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9471 (SUBTARGET_SWITCHES): Define.
9472 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9473 with -mlong-double-128.
9474 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9475 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9476 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9477 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9478 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9479 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9480 with -mlong-double-128.
9481 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9482 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9483 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9484 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9485 TARGET_LONG_DOUBLE_128): Define.
9486 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9487 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9488 long double on TARGET_ARCH64.
9490 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9492 * function.c (free_temps_for_rtl_expr): Don't free slots
9493 that have been pushed into a higher level.
9496 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9498 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9500 * basic-block.h (ALLOCA_REG_SET): Remove.
9501 (INITIALIZE_REG_SET): New macro.
9502 * flow.c (update_life_info): Use it.
9503 (calculate_global_regs_live): Likewise.
9504 (propagate_block): Likewise.
9505 * global.c (build_insn_chain): Likewise.
9506 * haifa-sched.c (schedule_region): Likewise.
9508 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9510 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9511 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9512 (DWARF_ARANGES_PAD_SIZE): New define.
9513 (output_aranges): Use it to pad the address range header.
9514 (DWARF_ROUND): Fix for non power of 2 rounding.
9516 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9518 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9520 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9522 * tree.def (RTL_EXPR): Update documentation.
9523 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9524 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9525 * function.c (preserve_rtl_expr_temp): New function.
9526 (preserve_rtl_expr_temps): Likewise.
9527 (preserve_rtl_expr_result): Use it.
9530 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9532 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9534 * regmove.c (copy_src_to_dest) Do not create src->dest move
9535 for unchanging destination.
9537 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9539 * function.h (struct sequence_stack): Remove rtl_expr.
9540 (struct emit_staus): Likewise.
9541 (seq_rtl_expr): Remove.
9542 * tree.h (free_temps_for_rtl_expr): Don't declare.
9543 (start_sequence_for_rtl_expr): Likewise.
9544 * rtl.h (preserve_rtl_expr_result): Likewise.
9545 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9546 (start_sequence_for_rtl_expr): Remove.
9547 (push_topmost_sequence): Don't save sequence_rtl_expr.
9548 (pop_topmost_sequence): Remove comment about not restoring it.
9549 (end_sequence): Don't set seq_rtl_expr.
9550 (init_emit): Don't initialize it.
9551 (mark_sequence_stack): Don't mark it.
9552 (mark_emit_status): Likewise.
9553 * except.c (protect_with_terminate): Use
9554 start_sequence_for_rtl_expr, not start_sequence.
9555 * expr.c (expand_expr, case RTL_EXPR): Don't call
9556 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9557 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9558 (preserve_rtl_expr_result): Remove.
9559 (free_temps_for_rtl_expr): Likewise.
9560 (pop_temp_slots): Likewise.
9561 (mark_temp_slot): Don't mark the rtl_expr.
9562 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9563 start_sequence_for_rtl_expr.
9565 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9567 * mkdeps.c, mkdeps.h: New files.
9568 * po/POTFILES.in: Add them.
9569 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9570 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9571 (mkdeps.o): New target.
9573 * cppfiles.c: Delete deps_output.
9574 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9575 OBJECT_SUFFIX, and base_name.
9576 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9578 (initialize_dependency_output): Use deps_init,
9579 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9580 all the unnecessary string bashing.
9581 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9583 * cpplib.c (do_include): Use deps_add_dep.
9584 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9585 deps_allocated_size, deps_size, deps_column members with
9586 single pointer to a struct deps. Delete prototype of
9589 * cppinit.c: Fix thinko in previous patch.
9591 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9593 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9594 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9595 (mode_for_size_tree): New function.
9596 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9597 * tree.h (mode_for_size_tree): New declaration.
9599 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9601 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9603 * stmt.c (is_body_block): Move...
9604 * dwarfout.c, dwarf2out.c: ...from here.
9605 * tree.h: Declare it.
9606 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9607 * final.c (final_start_function): Do call remove_unnecessary_notes
9610 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9612 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9614 * cpplib.h (_dollar_ok): New macro.
9615 (is_idchar, is_idstart): Use it.
9616 (IStable): Rename to _cpp_IStable. Declare it const if
9617 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9618 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9619 is_space): Update for renamed IStable.
9621 * cppinit.c: Delete all references to FAKE_CONST and CAT
9622 macros. Define init_IStable as empty macro if gcc >=2.7 or
9623 C99. Change TABLE() to ISTABLE and hardcode name of table.
9624 (cpp_start_read): Don't change the IStable based on
9627 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9628 changed. Handle '$' for char1 correctly.
9629 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9631 * cppexp.c (tokentab2): Make const.
9632 (cpp_lex): Make toktab const.
9633 * cppinit.c (include_defaults_array): Make const.
9634 (initialize_standard_includes): Make default_include const.
9636 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9638 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9639 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9640 (gen_decl_die): Likewise.
9641 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9642 (output_decl): Likewise.
9644 * varasm.c (make_function_rtl): If we change the name used in the
9645 rtl, update DECL_ASSEMBLER_NAME accordingly.
9646 (make_decl_rtl): Likewise.
9648 * toplev.c (rest_of_compilation): Tweak formatting.
9650 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9651 remove_unnecessary_notes.
9652 (debug_ignore_block): New fn.
9653 * toplev.h: Declare it.
9654 * emit-rtl.c (remove_unncessary_notes): Call it.
9655 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9656 * dwarf2out.h: Declare it.
9657 * final.c (final_start_function): Don't call remove_unnecessary_notes
9658 if we did insn scheduling.
9660 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9662 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9663 * cpplib.h: Delete SET_CPP_PEDANTIC.
9665 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9667 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9668 result is a RECORD_TYPE.
9670 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9672 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9674 2000-03-03 Richard Henderson <rth@cygnus.com>
9676 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9677 addition over compliments over shifts.
9679 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9681 * reload1.c (reload_combine_note_use): Handle return register USEs.
9682 REG case: Handle multi-hard-register hard regs.
9684 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9686 * md.texi: Document use of '*' in insn pattern name.
9688 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9690 * calls.c (special_function_p): operator new may not be malloc-like.
9692 * gcse.c (dump_hash_table): Really fix error in last change.
9694 2000-03-02 Denis Chertykov <denisc@overta.ru>
9696 * avr.c (print_operand): Use print_operand_address instead of
9698 * avr/libgcc.S: Cleanup code.
9700 2000-03-02 Richard Henderson <rth@cygnus.com>
9702 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9704 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9706 * tree.h (TYPE_ALIGN_UNIT): New macro.
9708 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9710 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9712 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9714 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9716 (SET_CPP_PEDANTIC): New macro.
9717 * cpplib.c (do_include): Don't bother checking system_header_p.
9718 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9719 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9721 * function.h (struct expr_status): Add x_arg_space_so_far.
9722 (arg_space_so_far): New macro.
9723 * expr.c (init_expr): Initialize it.
9724 * calls.c (emit_call_1): Reset it.
9725 (compute_argument_block_size, expand_call): Use it.
9726 (expand_call, store_one_arg): Increment it.
9728 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9730 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9733 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9735 * cppfiles.c (cpp_read_file): New function.
9737 * cpphash.c (collect_expansion): Make sure to reset last_token
9738 to NORM when we hit a string. Handle trailing whitespace
9739 properly when the expansion is empty.
9740 (create_definition): Disable line commands while parsing the
9742 (dump_definition): If pfile->lineno == 0, output a line
9743 command ahead of the dump, and add a trailing newline.
9745 * cppinit.c (append_include_chain): Add fifth argument, which
9746 indicates whether or not system headers are C++ aware.
9747 (initialize_standard_includes): New function,
9748 broken out of read_and_prescan. Pass 'cxx_aware' value from
9749 the include_defaults_array on to append_include_chain.
9750 (dump_special_to_buffer): Const-ify char array.
9751 (builtin_array): Don't dump __BASE_FILE__.
9752 (cpp_start_read): Use cpp_read_file. Reorder code for
9753 clarity. Don't output line commands here for -D/-A/-U
9754 switches. Don't call deps_output for files included with
9755 -include or -imacros.
9757 * cpplib.c (do_define): Don't pay any attention to the second
9759 (cpp_expand_to_buffer): Disable line commands while scanning.
9760 (output_line_command): Work in the file buffer.
9761 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9762 Fix formatting of comments. Prototype cpp_read_file.
9764 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9766 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9767 reference the language-equivalent of sizetype.
9768 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9769 * fold-const.c (size_binop, size_diffop): Put back checks.
9770 * gcse.c (dump_hash_table): Fix minor error in last change.
9771 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9772 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9775 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9777 * calls.c (expand_call) Do not attempt to combine stack adjustments
9778 with inhibit_defer_pop set.
9780 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9782 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9783 the DECL_SIZE for a FIELD_DECL.
9785 2000-03-01 Bruce Korb <bkorb@gnu.org>
9787 * fixinc/inclhack.tpl: remove unused symlinks
9788 * fixinc/README: GCC Maintainer info
9789 * fixinc/inclhack.sh: regen
9790 * fixinc/fixincl.sh: regen
9792 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9794 * cpphash.c (collect_expansion): Trim trailing white space
9795 from macro definitions, but don't go past the last insertion
9798 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9800 * i386.md (mulqi3): New pattern.
9802 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9804 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9806 (struct cpp_reader): Add parsing_if_directive and
9807 parsing_define_directive flags.
9808 (struct cpp_options): Remove output_conditionals flag.
9809 (check_macro_name): Delete prototype.
9811 * cpphash.h (struct macrodef): Delete.
9812 (struct reflist): Separate from struct definition.
9813 (struct definition): Remove unused fields. Add column number.
9814 (create_definition): Returns a DEFINITION *. Takes a
9815 cpp_reader * and an int.
9817 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9818 (PEEKC): Copy defn from cpplib.c.
9819 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9821 (struct arglist): Simplify.
9822 (collect_expansion): Rewrite. Get tokens by calling
9823 cpp_get_token. Add more error checking.
9824 (collect_formal_parameters): New function, broken out of
9825 create_definition and reworked to use get_directive_token.
9826 (create_definition): All real work is now in collect_expansion
9827 and collect_formal_parameters. do_define handles finding the
9828 macro name. Return a DEFINITION, not a MACRODEF.
9829 (macroexpand): Replace bcopy with memcpy throughout. Replace
9830 character-at-a-time copy loop with memcpy and pointer increments.
9831 (compare-defs): d1->argnames / d2->argnames might be null.
9833 * cpplib.c (copy_rest_of_line): Delete function.
9834 (skip_rest_of_line): Do all the work ourselves.
9835 (skip_string): New function.
9836 (parse_string): Use skip_string.
9837 (get_macro_name): New function.
9838 (check_macro_name): Delete.
9839 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9840 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9841 (handle_directive): ICE if we're called on a macro buffer.
9842 (do_define): Determine macro name and type (funlike/objlike)
9843 here. Expunge all uses of MACRODEF.
9844 (cpp_push_buffer): Set line_base to NULL.
9845 (do_undef, read_line_number): Don't worry about getting a POP token.
9846 (eval_if_expression): Set/reset parsing_if_directive around
9847 cpp_parse_expr. Don't clear only_seen_white.
9848 (skip_if_group): Remove output_conditionals logic. Use
9850 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9851 tokens under appropriate conditions.
9852 (cpp_unassert): Call do_unassert not do_assert. Oops.
9854 * cppexp.c (parse_defined): New function, break out of
9856 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9857 ourselves, with cpp_defined.
9858 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9860 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9861 * gcc.dg/strpaste-2.c: New.
9863 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9865 * fold-const.c (size_binop): Don't asert inputs are the same and
9866 have TYPE_IS_SIZETYPE set.
9867 (size_diffop): Likewise.
9869 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9871 * dwarfout.c (output_block): Output abstract blocks even if they
9872 don't have TREE_ASM_WRITTEN set.
9874 * calls.c (emit_library_call): Check for null REG.
9876 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9878 * c-decl.c (current_function_decl): Move to toplev.c.
9879 (init_decl_processing): Don't add current_function_decl as a ggc
9881 * dbxout.c (dbxout_symbol): Change return type to int.
9882 (dbxout_symbol_location, dbxout_syms): Likewise.
9883 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9884 any locals. Use current_function_func_begin_label if set.
9885 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9886 * dwarf2out.c (dwarf2out_begin_prologue): Set
9887 current_function_func_begin_label.
9888 * final.c (final_start_function): Reset it.
9889 * toplev.c (current_function_decl): Define it here.
9890 (current_function_func_begin_label): New variable.
9891 (main): Add both as ggc roots.
9892 * tree.h (current_function_func_begin_label): Declare.
9894 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9896 * gcse.c: Cleanups throughout: mostly white-space, but also
9897 some minor rearrangement of code.
9899 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9901 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9902 returns a PARALLEL. Use emit_group_load and use_group_regs
9904 (emit_library_call_value): Similarly.
9906 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9907 * pa/quadlib.asm: Remove.
9908 * pa/quadlib.c: New file.
9910 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9911 * configure: Rebuilt.
9913 2000-02-29 Philip Blundell <pb@futuretv.com>
9915 * config/arm/conix-elf.h: New file.
9916 * configure.in (arm*-*-conix*): New configuration.
9917 * configure: Regenerate.
9919 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9921 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9922 don't have TREE_ASM_WRITTEN set.
9924 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9926 * Eliminate DECL_FIELD_SIZE.
9927 * builtins.c (built_in_class_names, built_in_names): New variables.
9928 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9929 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9930 DECL_SIZE, not DECL_FIELD_SIZE.
9931 * print-tree.c (print_node): Remove code that prints extra blank
9932 lines in some cases.
9933 Properly handle inline and builtin function cases.
9934 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9935 * tree.h (built_in_class_named, built_in_names): New declarations.
9936 (union tree_decl): Rename internal unions to u1 and u2 and change
9937 some of their components.
9938 Add new field built_in_class.
9939 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9940 Reflect above changes.
9941 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9942 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9943 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9944 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9946 2000-02-28 Dmitri Makarov <dim@windriver.com>
9948 * extend.texi: Document ARM's support for long/short calls.
9950 * invoke.texi: Document ARM's -mlong-calls command line switch.
9952 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9953 (arm_encode_call_attribute): Add prototype.
9954 (arm_set_default_type_attribute): Add prototype.
9955 (arm_strip_name_encoding): Add prototype.
9957 * config/arm/arm.c (arm_init_cumulative_args): replace
9958 initialisation og 'long_calls' field with initialisation of
9959 'call_cookie' field.
9960 (enum arm_pragma_enum): New enum.
9961 (arm_pragma_long_calls): New static variable.
9962 (arm_process_pragma): Also process "#pragma long_calls_off".
9963 (arm_valid_type_attribute_p): Accept short_call attribute.
9964 (arm_comp_type_attributes): Check long/short call attributes.
9965 (arm_encode_call_attribute): New function: Encode long_call
9966 or short_call attribute in function name.
9967 (arm_set_default_type_attributes): New function: Assign
9968 default attributes to newly defined type.
9969 (current_file_function_operand): New function: Return true if
9970 the symbol is a function which has already been compiled.
9971 (arm_is_longcall_p): New function: Return true if the
9972 indicated function should be called via a long call.
9973 (arm_get_strip_length): New function. Returns number of
9974 prefix characters to be stripped from a function's name.
9975 (arm_strip_name_encoding): New function. Strip prefix characters
9976 from a function's name.
9978 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9980 (SHORT_CALL_FAG_CHAR): Define.
9981 (LONG_CALL_FAG_CHAR): Define.
9982 (ENCODED_SHORT_CALL_ATTR_P): Define.
9983 (ENCODED_LONG_CALL_ATTR_P): Define.
9984 (ARM_NAME_ENCODING_LENGTHS): Define.
9985 (STRIP_NAME_ENCODING): Define.
9986 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9987 (ARM_ENCODE_CALL_TYPE): Define.
9988 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9989 (ARM_DECLARE_FUNCTION_SIZE): Define.
9990 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9992 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9993 if a long call is needed.
9994 (call_value): Ditto.
9995 (call_symbol): Ditto.
9997 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9998 ARM_DECLARE_FUNCTION_SIZE.
10000 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10001 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10002 (ARM_STRIP_NAME_ENCODING): Undefine.
10003 (STRIP_NAME_ENCODING): Undefine.
10004 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10005 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10006 (ASM_OUTPUT_COMMON): Ditto.
10007 (ASM_DECLARE_OBJECT_NAME): Ditto.
10009 * config/arm/pe.c (arm_dllexport_name_p): Check for
10011 (arm_dllimport_name_p): Ditto.
10012 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10013 (arm_mark_dllimport): Ditto.
10015 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10017 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10019 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10021 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10023 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10025 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10026 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10027 NO_BUILTIN_WCHAR_TYPE is not defined.
10028 (CPP_WCHAR_TYPE): Delete.
10029 * cccp.c (main): Don't change wchar_type if cplusplus.
10030 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10032 2000-02-28 Nick Clifton <nickc@cygnus.com>
10034 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10036 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10038 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10039 (ASM_WEAKEN_LABEL): Define.
10041 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10043 * expr.c (store_constructor): Do not emit USE.
10044 * rtl.h (stupid_life_analysis): Remove.
10046 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10048 * function.c (number_blocks): Reset next_block_index based on
10049 what debugging format is used, not what is defined.
10051 * lcm.c: Minor reformatting throughout.
10052 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10054 * toplev.c (rest_of_compilation): Account for time in
10055 optimize_mode_switching.
10057 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10058 if only marking labels.
10060 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10062 * calls.c (expand_call): Attempt to combine stack adjustments with
10063 pending stack adjustments.
10065 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10067 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10068 to the end of the function.
10070 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10072 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10074 * final.c (next_block_index): Remove.
10075 (max_block_depth): Likewise.
10076 (pending_blocks): Likewise.
10077 (init_final): Don't initialize them.
10078 (final_start_function): Don't set next_block_index. Set up
10080 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10081 * function.h (number_blocks): New function.
10082 * function.c (get_block_vector): New function.
10083 (identify_blocks): Use it.
10084 (reorder_blocks): Set NOTE_BLOCK.
10085 (number_blocks): New function.
10086 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10087 * tree.h (BLOCK_NUMBER): New macro.
10088 (tree_block): Add block_num field.
10089 * dbxout.c (next_block_number): Remove.
10090 (dbxout_init): Don't set it.
10091 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10092 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10094 * toplev.c (rest_of_compilation): Always call
10095 find_loop_tree_blocks. Fix indentation.
10096 * dwarf2out.c (next_block_number): Remove.
10097 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10098 to determine block numbers.
10099 (gen_inlined_subroutine_die): Likewise.
10100 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10101 (decls_for_scope): Don't increment next_block_number.
10102 * dwarfout.c (next_block_number): Remove.
10103 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10104 to determine block numbers.
10105 (output_inlined_subroutine_die): Likewise.
10106 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10107 (output_decls_for_scope): Don't increment next_block_number.
10108 * sdbout.c (next_block_number): Remove.
10109 (sdbout_block): Use BLOCK_NUMBER.
10110 (sdbout_begin_block): Simplify.
10111 * xcoffout.c (next_block_number): Remove.
10112 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10113 (xcoffout_begin_block): Don't set next_block_number.
10114 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10117 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10119 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10120 (expand_builtin_strcpy): Pass correct type to size_binop.
10121 (expand_builtin_strcmp): Likewise.
10122 Clean up conditional structure.
10123 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10124 (complete_array_type): Don't use size_binop for MAXINDEX.
10125 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10126 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10127 (c_alignof): Use size_one_node.
10128 (build_unary_op): Pass arg of proper type to size_binop.
10129 (really_start_incremental_init, push_init_level): Use sizetype for
10130 constructor{,_bit,_unfilled}_index.
10131 (pop_init_label, output_init_element): Likewise.
10132 (output_pending_init_elements, process_init_element): Likewise.
10133 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10134 * expr.c (store_expr): Use size_int.
10135 (store_constructor): Use proper types for size_binop args.
10136 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10137 (expand_expr_unaligned): Likewise.
10138 (string_contant): Return object of sizetype.
10139 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10140 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10141 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10142 * fold-const.c (int_const_binop): Refine when size_int is called.
10143 (fold_convert): Likewise.
10144 (size_int_wide): Rework to take KIND as arg, only take low order
10145 bits, handle new sizetype_tab datatype, and chain entries in
10147 (size_int_type_wide): New function.
10148 (size_binop): Validate types of arguments.
10149 (ssize_binop): Deleted.
10150 (size_diffop): New function.
10151 (extract_muldiv): Only fold division into multiplication for sizetypes.
10152 * function.c (assign_parms): Use size_diffop and make sure
10153 VAR field is of ssizetype; also pass proper type to size_binop.
10154 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10155 (round_down): Deleted from here.
10156 * store-layout.c (sizetype_tab): Now an array.
10157 (sizetype_set, early_root_list): New variables.
10158 (variable_size): Use size_one_node.
10159 (round_up): Pass proper type to size_binop.
10160 (round_down): Moved to here and corrected as above.
10161 (layout_record): Pass proper arg types to size_binop.
10162 (layout_type): Likewise.
10163 If sizetype_set is zero, record the type just laid out.
10164 (make_unsigned_type): Don't call set_sizetype;
10165 (make_signed_type): Likewise; also, call fixup_signed_type.
10166 (initialize_sizetypes): New function.
10167 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10168 set name of bitsizetype to "bit_size_type".
10169 Fix up type of sizes of all types made before call.
10170 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10171 * tree.c (fix_sizetype): Deleted.
10172 (build_common_tree_nodes): Call initialize_sizetypes.
10173 (build_common_tree_nodes_2): Don't call fix_sizetype.
10174 * tree.h (TYPE_IS_SIZETYPE): New macro.
10175 (initialize_sizetype): New declaration.
10176 (enum size_type_kind): New type.
10177 (struct sizetype_tab): Deleted.
10178 (sizetype_tab): Now array; adjust sizetype macros.
10179 (size_diffop, size_int_type_wide): New functions.
10180 (size_int_wide): Change number of args and type; access macros changed.
10181 (ssize_int, sbitsize_int): New macros.
10182 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10183 (ROUND_TYPE_SIZE_UNIT): New macro.
10185 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10187 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10189 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10191 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10192 Mark as possibly unused.
10194 * cse.c (cse_insn): Delete dead code involving tablejump.
10195 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10197 * Makefile.in (libcpp.a): Start by deleting it.
10199 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10201 * cpplib.h (enum file_change_code): Added rename_file.
10202 * cpplib.c (do_line): If a filename is given, set file_change to
10204 (output_line_command): If file_change is rename_file, always
10205 output a # directive with the file name.
10207 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10209 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10211 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10212 when copying a PARM_DECL or RESULT_DECL.
10214 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10216 * fix-header.c (recognized_function): Also fix prototypes for
10217 functions taking "void".
10219 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10221 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10222 looking at reg_reloaded_contents.
10224 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10226 * Makefile.in (STMP_FIXINC): New toggle.
10227 (LIBGCC2_DEPS): Delete all references.
10228 (stmp-headers): Delete target. All references either deleted
10229 or changed to stmp-int-headers.
10230 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10231 (LIBCPP_OBJS): Take out cppalloc.o.
10232 (cppalloc.o): Delete target.
10233 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10234 (gen-protos, fix-header): Link with libiberty.a.
10235 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10238 * configure.in: Remove refs to strerror.
10239 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10240 * system.h: Take out strerror stanza.
10242 * cpperror.c (my_strerror): Delete function.
10243 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10244 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10245 * cppalloc.c: Delete file.
10246 * gen-protos.c: Don't provide xrealloc.
10248 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10249 xstrerror throughout.
10251 2000-02-26 Bruce Korb <bkorb@gnu.org>
10253 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10254 match for DOS headers, too.
10255 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10257 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10259 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10260 is right for most ELF targets.
10261 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10262 Let the default file use %U properly.
10263 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10266 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10269 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10271 * toplev.c (documented_lang_options): Correct spelling error.
10272 (decode_d_option, decode_f_option, main): Likewise.
10274 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10276 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10277 to tell assembler it is permitted to expand large constants.
10279 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10281 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10282 (aux_info_suffix): Use.
10283 (SAVE_SUFFIX): New macro.
10284 (save_suffix): Use.
10285 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10286 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10287 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10289 * invoke.texi (Running Protoize): Update documentation.
10291 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10293 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10295 2000-02-25 John Wehle (john@feith.com)
10297 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10299 2000-02-25 Anthony Green <green@cygnus.com>
10301 * toplev.c (rest_of_compilation): Rebuild jump labels if
10302 combine_instructions has created a new direct jump.
10303 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10305 (combine_instructions): Call try_combine with new argument.
10306 Return non-null value when new direct jump instruction is created.
10307 * rtl.h: combine_instructions returns an int.
10309 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10311 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10312 jump when changing a computed jump into a jump to a known
10315 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10317 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10318 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10320 * i386.md (define_expand "clrstrsi"): Fix typo.
10322 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10324 * rtl.texi: Fix typo.
10326 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10328 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10329 UNITS_PER_WORD. Change caller initial_elimination_offset.
10330 (rounded_frame_size): Take into account that argument pushed has
10331 changed. Fix TARGET_ALIGN_DOUBLE problem.
10333 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10335 * haifa-sched.c (schedule_block): Explain the real reason
10336 we delete REG_SAVE_NOTEs on the first insn of a block.
10337 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10339 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10341 * input.h (push_srcloc): New function.
10342 (pop_srcloc): Likewise.
10343 * toplev.c (push_srcloc): Define it.
10344 (pop_srcloc): Likewise.
10346 2000-02-24 Richard Henderson <rth@cygnus.com>
10348 * flow.c (life_analysis): When collecting reg info, clear
10351 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10353 Fix bug exposed by reload.c no longer rounding the frame
10354 size to BIGGEST_ALIGNMENT:
10355 * sh.c (rounded_frame_size): New function.
10356 (sh_expand_prologue, sh_expand_epilogue): Use it.
10357 (initial_elimination_offset): Likewise.
10359 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10361 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10362 * sh-protos.h (sh_need_epilogue): Declare.
10363 * sh.c (sh_need_epilogue_known): New static variable.
10364 (sh_need_epilogue): New function.
10365 (function_epilogue): Clear need_epilogue_known.
10366 * sh.md (return): Split into expander / insn pattern.
10367 Make the expander conditional on ! sh_need_epilogue ().
10369 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10371 * machmode.h (get_mode_alignment): Declare.
10372 (GET_MODE_ALIGNMENT): Call it.
10373 * stor-layout.c (get_mode_alignment): New function. Make
10374 sure alignment is always power of 2.
10376 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10378 * i386.h: Remove useless definition of "I386" and misleading
10381 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10383 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10384 under which TREE_PERMANENT will be set.
10385 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10386 build1): Use TREE_SET_PERMANENT.
10387 * print-tree.c (print_node): Don't report value of
10388 TREE_PERMANENT if ggc_p is true.
10390 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10391 decide whether to give a type a new alias set.
10392 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10393 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10394 of value of 'obstack'.
10397 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10399 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10401 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10403 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10404 * cpplib.c (cpp_get_token): Produce them.
10405 * cppexp.c (cpp_lex): Handle them.
10407 2000-02-23 Nick Clifton <nickc@cygnus.com>
10409 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10410 comment tests on type attributes.
10412 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10414 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10415 conform to documentation.
10416 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10417 to check for special cases.
10418 * sh-protos.h (sh_loop_align): Declare.
10419 * sh.c (sh_loop_align): Define.
10421 2000-02-22 Andrew Haley <aph@cygnus.com>
10423 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10424 (SIZE_TYPE): Is 32 bits when using -mgp32.
10425 (PTRDIFF_TYPE): Ditto.
10427 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10429 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10431 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10433 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10434 BIGGEST_FIELD_ALIGNMENT a constant.
10436 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10438 * dwarf2out.c (output_line_info): Put the marker for the end of
10439 the line number info at the actual end.
10440 (gen_struct_or_union_type_die): Use decl_function_context
10441 to check for local classes.
10442 * dwarfout.c (output_type): Likewise.
10444 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10446 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10447 for arguments with a mode, but no type.
10448 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10449 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10450 * pa/long_double.h: New file.
10451 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10452 both have 128bit wide long doubles.
10453 * configure: Rebuilt.
10455 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10457 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10459 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10460 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10461 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10463 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10465 * integrate.c (compare_blocks, find_block): Likewise.
10467 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10469 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10471 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10472 expand_asm_operands): Likewise.
10474 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10476 * predict.c (estimate_probability): Added the pointer heuristic to
10477 the collection of static branch predictors.
10479 2000-02-21 Catherine Moore <clm@cygnus.com>
10481 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10482 * invoke.texi (-mfix7000): Document.
10484 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10486 * diagnostic.c (init_output_buffer): Make it possible to output at
10487 least 32 characters if we're given a too long prefix.
10489 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10491 * varasm.c (initializer_constant_valid_p): Call
10492 lang_expand_constant to simplify the constant.
10494 2000-02-20 Bruce Korb <bkorb@gnu.org>
10496 * fixinc/inclhack.def(stdio_va_list):
10497 typedef needs to be disabled.
10498 * fixinc/inclhack.sh: regen
10499 * fixinc/fixincl.x: regen
10501 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10503 * print-rtl.c (print_rtx): Don't print addresses when
10504 flag_dump_unnumbered.
10506 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10508 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10510 (sparc_va_arg, sparc_flat_output_function_prologue,
10511 sparc_flat_output_function_epilogue): Cast value to unsigned in
10513 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10515 * sparc.md: Add default case in switch.
10517 2000-02-19 Richard Henderson <rth@cygnus.com>
10519 * c-typeck.c (add_pending_init): Don't abort for multiple
10520 fields at the same offset.
10521 (pending_init_member): Test the correct member.
10523 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10525 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10527 (start_catch_handler) : Same.
10529 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10531 * Makefile.in: Have flow.o depend on $(EXPR_H)
10533 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10535 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10536 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10537 (finish_decl): Remove -Wlarger-than code from here.
10538 * flags.h (id_clash_len): Now int.
10539 (larger_than_size): Now HOST_WIDE_INT.
10540 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10541 Clean up checking to see if in table.
10542 (make_bit_field_ref): Remove extra parm to bitsize_int.
10543 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10544 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10545 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10546 and for computing size of decl.
10547 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10548 Move -Wlarger-than code to here.
10549 (layout_record): Remove extra arg to bitsize_int.
10550 Set TYPE_BINFO_SIZE_UNIT.
10551 (layout_union): Remove extra arg to bitsize_int.
10552 Use proper type for size of QUAL_UNION.
10553 (layout_type): Remove extra arg to bitsize_int.
10554 * toplev.c (id_clash_len): Now int.
10555 (larger_than_size): Now HOST_WIDE_INT.
10556 (decode_W_option): Clean up id-clash and larger-than- cases.
10557 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10558 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10559 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10560 (struct tree_decl): New field size_unit.
10561 (size_int_wide): No HIGH operand; NUMBER is now signed.
10562 (size_int_2): Deleted.
10563 (size_int, bitsize_int): Don't use it and rework args.
10564 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10566 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10568 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10570 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10572 * invoke.texi (Warning Options): Add an explanation of why
10573 you might want the -Wfloat-equal flag.
10575 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10577 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10578 * cppinit.c (new_pending_define): Add cast to avoid warning.
10579 * expmed.c (extract_bit_field): Likewise.
10580 * flow.c (enum reorder_skip_type): New type.
10581 (skip_insns_between_blcok): New it.
10582 Rework to avoid warning about possibly undefined variable.
10583 * function.c (assign_parms): Make thisparm_boundary unsigned.
10584 * genrecog.c (write_switch): Cast XWINT result to int.
10585 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10586 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10587 one for MIPS and one for Alpha.
10588 (get_tag, copy_object): Add casts to avoid warnings.
10589 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10590 * reload.c (find_reloads): Make TYPE enum reload_type.
10591 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10592 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10593 * varasm.c (compare_constant_1): Add cast to avoid warning.
10594 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10596 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10597 Cast switch operand of size to int.
10598 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10599 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10602 2000-02-18 Nick Clifton <nickc@cygnus.com>
10604 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10605 anything for an alignment of zero.
10607 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10608 anything for an alignment of zero.
10610 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10612 * gcc.texi (Bug Reporting): Refer to bugs.html.
10613 (Bug Lists): Likewise.
10614 * system.h (GCCBUGURL): New preprocessor define.
10615 * rtl.c (fancy_abort): Use it.
10616 * gcc.c (main): Likewise.
10618 2000-02-18 Richard Henderson <rth@cygnus.com>
10620 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10621 (life_analysis_1): Subsume into ...
10622 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10623 Use update_life_info for the relaxation.
10624 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10625 entry and regs_live_at_setjmp.
10626 (set_noop_p): Simplify.
10627 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10628 (record_volatile_insns): Split into ...
10629 (delete_noop_moves): ... here,
10630 (notice_stack_pointer_modification): ... here,
10631 (insn_dead_p): ... and here.
10632 (propagate_block): Don't query INSN_VOLATILE.
10633 (mark_used_regs): Mind !PROP_REG_INFO.
10634 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10635 not in life_analysis.
10637 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10639 * loop.c (canonicalize_condition): New function,
10640 broken out of get_condition.
10641 (get_condition): Use it.
10642 * expr.h (canonicalize_condition): Prototype it.
10644 * tree.h (tree_int_cst_msb): Declare.
10645 * tree.c (tree_int_cst_msb): New function.
10647 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10649 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10652 * invoke.texi (-fmessage-length=n): Document.
10654 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10656 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10658 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10660 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10661 after the prologue.
10663 2000-02-17 Nick Clifton <nickc@cygnus.com>
10665 * config/arm/thumb.c: Replace includes of system headers with
10666 #include "system.h".
10668 2000-02-16 Richard Henderson <rth@cygnus.com>
10670 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10671 Add crtbeginS.o and crtendS.o.
10672 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10673 (ENDFILE_SPEC): Use crtendS.o.
10674 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10676 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10677 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10678 shared and present.
10679 (__dso_handle): New variable.
10680 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10681 bias to __CTOR_END__.
10683 2000-02-16 Richard Henderson <rth@cygnus.com>
10685 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10687 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10689 * longlong.h (__clz_tab): Declare as static to match definition.
10691 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10693 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10694 (XREF_FILE_NAME): Define.
10696 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10697 (EH_FRAME_SECTION_ASM_OP): Define.
10698 (IDENT_ASM_OP): Define.
10699 (TEXT_SECTION_ASM_OP): Define.
10700 (CPP_SPEC): Define.
10701 (CTORS_SECTION_ASM_OP): Define.
10702 (CTOR_SECTION_FUNCTION): Use it.
10703 (DTORS_SECTION_ASM_OP): Define.
10704 (DTOR_SECTION_FUNCTION): Use it.
10706 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10708 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10711 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10712 debug_bb_n): New functions.
10713 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10714 * basic-block.h: Prototype new functions.
10716 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10718 * configure.in: Add support for avr target.
10719 * configure: Rebuilt.
10721 * invoke.texi: Add AVR invocation docs.
10722 * install.texi: Add information about AVR.
10723 * md.texi: Add AVR constraint letters description.
10724 * extend.texi: Add description for AVR specific attributes.
10726 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10728 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10730 2000-02-16 Nick Clifton <nickc@cygnus.com>
10732 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10733 (make_insn_raw): Move RTL check here.
10735 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10737 * version.c: Include gansidecl.h and version.h.
10739 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10741 * configure.in (gcc_version): When setting, narrow search to
10742 lines containing `version_string'.
10744 * Makefile.in (mainversion): Likewise.
10745 (GCC_H): New variable.
10746 (gcc.h): Delete target.
10747 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10748 (version.o): Depend on version.h.
10749 (dbxout.o): Don't depend on gcc.h.
10751 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10752 Michael Meissner <meissner@cygnus.com>
10754 * md.texi (Simple Constraints): Add item about whitespace.
10755 * genoutput.c (strip_whitespace): New.
10756 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10757 strip_whitespace for constraints.
10758 Test pointer using NULL, not 0.
10760 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10762 * cpplib.c (do_line): Pedwarn for #line > 32767.
10764 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10766 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10768 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10769 to default cpp spec.
10770 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10771 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10774 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10777 2000-02-15 Denis Chertykov <denisc@overta.ru>
10779 * configure.in: Add support for avr target.
10781 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10783 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10784 (sh_addr_diff_vec_mode): Don't declare.
10785 * sh.c (sh_addr_diff_vec_mode): Delete.
10787 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10789 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10791 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10793 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10794 (smulsi3_highpart_i): Name.
10795 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10796 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10797 (smulsi3_highpart, umulsi3_highpart): Likewise.
10799 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10800 correctly independent of endianness.
10801 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10802 confuse the optimizers.
10803 (mulsidi3+1, umulsidi3+1): New define_split.
10805 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10807 * config/sh/sh.md: Guard insn splits against illegal registers.
10808 * config/sh/sh.h: Correct comment about macros.
10810 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10811 Andrew MacLeod <amacleod@cygnus.com>
10813 * Makefile.in (lcm.o): Depend on insn-attr.h.
10814 * basic-block.h (optimize_mode_switching): Declare.
10815 * lcm.c (tm_p.h, insn-attr.h): #include.
10816 (seginfo, bb_info): New structs.
10817 (antic, transp, comp, delete, insert) : New file-scope static variables.
10818 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10819 (reg_becomes_live, optimize_mode_switching): Likewise.
10820 * tm.texi: Add description of mode switching macros.
10821 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10823 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10824 (fldi_ok, fpscr_set_from_mem): New prototypes.
10825 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10826 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10827 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10828 (sh_flag_remove_dead_before_cse): Remove declaration.
10829 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10830 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10831 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10832 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10833 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10834 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10835 (fldi_ok): New function.
10836 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10837 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10838 (emit_df_insn): Likewise.
10839 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10840 (sh_flag_remove_dead_before_cse): Delete.
10841 (get_free_reg, fpscr_set_from_mem): New functions.
10842 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10843 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10845 2000-02-15 Loren Rittle <ljrittle@acm.org>
10847 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10849 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10851 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10852 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10854 * cccp.c: Include version.h and/or don't declare `version_string'.
10855 * collect2.c: Likewise.
10856 * alpha.c: Likewise.
10857 * arm/aof.h: Likewise.
10858 * arm/coff.h: Likewise.
10859 * arm/elf.h: Likewise.
10860 * arm/pe.h: Likewise.
10861 * arm/tcoff.h: Likewise.
10862 * arm/telf.h: Likewise.
10863 * arm/tpe.h: Likewise.
10864 * arm/vxarm.h: Likewise.
10865 * convex/convex.c: Likewise.
10866 * i386/dgux.c: Likewise.
10867 * i386/sun386.h: Likewise.
10868 * m88k/m88k.c: Likewise.
10869 * mcore/mcore-pe.h: Likewise.
10870 * mips/mips.h: Likewise.
10871 * romp/romp.h: Likewise.
10872 * sh/sh.c: Likewise.
10873 * cpphash.c: Likewise.
10874 * cppinit.c: Likewise.
10875 * dwarf2out.c: Likewise.
10876 * dwarfout.c: Likewise.
10879 * mips-tfile.c: Likewise.
10880 * protoize.c: Likewise.
10881 * toplev.c: Likewise.
10882 * tree.h: Likewise.
10884 * version.c (version_string): Constify a char*.
10886 * version.h: New file.
10888 2000-02-14 Nick Clifton <nickc@cygnus.com>
10890 * configure.in: Add mcore-elf and mcore-pe targets.
10891 * configure: Regenerate.
10893 * NEWS: Add note that MCore port has been contributed.
10895 * invoke.texi: Document command line switches for MCore port.
10896 * install.texi: Add MCore to list of supported targets.
10898 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10900 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10901 then we will need to import the frame handling functions.
10902 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10903 to import the frames themselves.
10905 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10906 Jason Eckhardt <jle@cygnus.com>
10908 * basic_block.h: Added prototype for reorder_basic_blocks.
10909 * toplev.c: Changes to add -freorder-blocks and graph dump after
10910 block reordering is done.
10911 * flow.c (reorder_block_def): New structure for use during block
10913 (REORDER_BLOCK_*): New macros to access members of above structure.
10914 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10915 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10916 functions for block reordering.
10918 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10920 * gcc.texi (Passes): Fix typo.
10921 * md.texi (Standard Names): Ditto.
10922 * tm.texi (Storage Layout): Ditto.
10924 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10926 * cpplib.c (do_define): Only free the old definition if it
10929 2000-02-13 Neil Booth <NeilB@earthling.net>
10931 * cppfiles.c (read_and_prescan): When emitting deferred
10932 newlines, test speccase[] again instead of checking each
10933 possible whitespace character in turn. When we encounter \r,
10934 look behind for \n first, then ahead.
10936 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10938 * cse.c (cse_altered): New internal flag.
10939 (cse_insn): Set it if we changed an insn.
10940 (cse_main): Clear cse_altered before each basic block.
10941 Only garbage collect if cse_altered is true afterward.
10943 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10945 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10947 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10949 * combine.c (simplify_comparison): Fix typo.
10951 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10953 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10956 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10958 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10959 previously inserted node instead of root node. Caller changed.
10961 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10963 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10965 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10967 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10968 __dereg_frame_dtor): Add prototype argument.
10970 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10972 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10974 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10976 * gthr-vxworks.h (__gthread_once): Likewise.
10978 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10980 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10982 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10983 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10984 stack pointer in functions w/o saved registers, output LEAVE more often
10985 on TARGET_USE_LEAVE machines.
10987 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10989 * config/arm/arm.c (arm_init_cumulative_args); New function:
10990 Initlaise the CUMULATIE_ARGS strcuture for a function
10992 (arm_function_arg): New function: Determine where to place a
10993 function's argument. Also handles deciding the function's
10995 (current_file_function_operand): New function: Return true if
10996 the symbol is a function which has already been compiled.
10997 (arm_is_long_call_p): New function: Return true if the
10998 indicated function should be called via a long call.
10999 (arm_valid_type_attribute_p): New function: Return true if the
11000 attribute is a valid, arm specific, attribute.
11001 (arm_comp_type_attribute): New function: Return true if the
11002 two types have compatable, arm specific, attributes.
11004 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11006 (FUNCTION_ARG): Redefine to call arm_function_arg.
11007 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11009 (INIT_CUMULATIVE_ARGS): Redefine to call
11010 arm_init_cumulative_args.
11011 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11013 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11015 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11017 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11018 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11019 (COMP_TYPE_ATTRIBUTES): Define.
11021 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11022 if a long call is needed.
11023 (call_value): Call arm_is_long_call_p to decide if a long call
11025 (call_symbol): Call arm_is_long_call_p to decide if a long call
11028 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11030 2000-02-11 Denis Chertykov <denisc@overta.ru>
11032 * README.AVR: New file with information about the avr ports.
11033 * config/avr: New directory with avr port files.
11035 2000-02-11 Andreas Jaeger <aj@suse.de>
11037 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11039 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11041 * cpphash.c: Fix formatting, update commentary.
11042 (dump_definition): Take three separate arguments instead of a
11043 MACRODEF structure argument.
11044 * cpphash.h: Update prototype of dump_definition.
11045 * cppinit.c (cpp_finish): Update call of dump_definition.
11047 * cpplib.c (do_define): Always create new hash entry with
11048 T_MACRO type. Remove redundant check for redefinition of
11049 poisoned identifier. Update call of dump_definition.
11050 (do_undef): Don't call check_macro_name. Rename sym_length to
11052 (do_error, do_warning): Don't use copy_rest_of_line or
11054 (do_warning): Don't use pedwarn for the actual warning,
11055 only the notice about its not being in the standard. (Fixes
11056 bug with #warning in system headers.)
11057 (do_ident): Stricter argument checking - accept only a single
11058 string after #ident. Also, macro-expand the line.
11059 (do_xifdef): Use cpp_defined. De-obfuscate.
11061 (do_pragma): Split out specific pragma handling to separate
11062 functions. Use get_directive_token. Update commentary. Do
11063 not pass on #pragma once or #pragma poison to the front end.
11064 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11065 do_pragma_default): New.
11067 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11069 * jump.c (jump_optimize_1): The first operand in a relational
11070 can be a CONST_INT.
11071 * optabs.c (emit_conditional_move): Handle relationals which
11072 have a known true/false result.
11074 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11076 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11077 a RETURN insn into a block which already ends with a jump.
11079 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11081 * haifa-sched.c (BUF_LEN): Increase a lot.
11083 2000-02-11 Nick Clifton <nickc@cygnus.com>
11085 * configure.in: Add tm_p_file specification for thumb targets.
11086 * configure: Regenerate.
11088 * config/arm/thumb-protos.h: New file: Prototypes for exported
11089 functions defined in thumb.c.
11091 2000-02-11 Robert Lipe <robertl@sco.com>
11093 * Makefile.in (bootstrap-lean): Remove additional files.
11094 (bootstrap2-lean): Likewise.
11095 (VOL_FILES): List of files for above.
11097 2000-02-11 Nathan Sidwell <nathan@acm.org>
11099 * cpphash.c (special_symbol): Remove spurious argument to
11102 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11104 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11106 * configure: Rebuilt.
11108 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11110 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11112 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11114 * pa.c, pa.h: Remove trigraph sequences within comments.
11116 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11118 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11120 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11122 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11124 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11126 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11128 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11130 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11131 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11132 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11133 (ASM_FILE_END): Use c4x_file_end.
11134 * config/c4x/c4x.c (c4x_global_label): New function.
11135 (c4x_external_ref, c4x_file_end): Likewise.
11137 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11138 (c4x_external_ref, c4x_end_file): Likewise.
11140 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11142 * cppexp.c: Don't include cpphash.h.
11143 (parse_charconst, cpp_lex): Use cpp_defined.
11144 (cpp_lex): Use get_directive_token throughout. Remove
11145 unnecessary cases from switch. Move assertion-handling code
11146 down to OTHER case.
11147 (cpp_parse_expr): If we see '+' or '-', check the context to
11148 determine if they are unary or binary operators. Streamline
11149 the jumps a bit. Do not call skip_rest_of_line.
11151 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11152 static. Export get_directive_token. Update commentary.
11153 (cpp_defined): New function.
11154 (do_define): Remove reference to T_PCSTRING. Call
11155 free_definition to release memory for old definition, when
11156 redefining a macro.
11157 (eval_if_expression): Set only_seen_white to 0 before calling
11158 cpp_parse_expr. Call skip_rest_of_line after it returns.
11159 (cpp_read_check_assertion): Don't preserve a pointer into the
11160 token buffer across a call to cpp_get_token.
11162 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11163 * cppfiles.c (redundant_include_p): Use cpp_defined.
11164 * cpphash.c (free_definition): New function.
11165 (delete_macro): Use it. Update commentary.
11166 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11168 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11169 from enum node_type. Prototype cpp_defined and get_directive_token.
11170 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11172 * fix-header.c (check_macro_names): Use cpp_defined.
11173 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11174 the options structure.
11176 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11178 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11180 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11182 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11183 rather than die->die_tag.
11185 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11187 * combine.c (make_extraction, force_to_mode): Avoid warning on
11188 mixed-signedness conditionals.
11189 (make_field_assignment, nonzero_bits): Likewise.
11190 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11191 (store_split_bit_field, extract_split_bit_field): Likewise.
11192 (extract_fixed_bit_field, store_bit_field,
11193 * expr.c: Change alignment to be unsigned everywhere.
11194 (move_by_pieces, store_constructor_field, store_constructor):
11195 Alignment parm is unsigned.
11196 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11197 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11198 (do_compare_rtx_and_jump): Likewise.
11199 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11200 Compare align with GET_MODE_ALIGNMENT.
11201 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11202 (get_inner_reference): Likewise.
11203 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11204 (expand_assignment): Local vars for alignment now unsigned.
11205 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11206 (do_compare_and_jump): Likewise.
11207 (store_field): Call new function expr_align.
11208 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11209 Alignment arg now unsigned.
11210 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11211 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11212 (extract_bit_field): Likewise.
11213 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11214 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11215 (get_best_mode): Alignment arg is unsigned.
11216 * rtl.h (move_by_pieces): Likewise.
11217 * store-layout.c (maximum_field_alignment, set_alignment):
11219 (layout_decl): Alignment arg is now unsigned.
11220 Remove unneeded casts.
11221 (layout_record, layout_union, layout_type): Remove unneeded casts.
11222 Local alignment variables now unsigned.
11223 (get_best_mode): Alignment arg now unsigned.
11224 * tree.c (expr_align): New function.
11225 * tree.h (expr_align): Likewise.
11226 (maximum_field_alignment, set_alignment): Now unsigned.
11227 (get_inner_reference): Alignment argument is now pointer to unsigned.
11228 * varasm.c (assemble_variable): Add cast to eliminate warning.
11230 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11232 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11233 then store directly into op0.
11235 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11236 the CALL_INSN, and emit the note immediately after it.
11238 2000-02-10 Nick Clifton <nickc@cygnus.com>
11240 * config/arm/thumb.md (epilogue): Include a (return) in the
11241 generated insn, and emit it using emit_jump_insn not
11244 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11246 * function.c (assign_temp): Change zero-sized arrays to size 1.
11247 * integrate.c (expand_inline_function): Do not update
11248 stack_alignment_needed
11249 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11250 add some sanity checking, remove optimization for function with
11253 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11255 * flow.c (mark_regs_live_at_end): Delete unused variables.
11257 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11259 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11260 in macro FRAME_GROWS_DOWNWARD.
11262 * stmt.c (expand_end_bindings): Delete unused variable.
11264 * unroll.c (iteration_info): Mark parameter `loop' with
11267 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11269 * fixinc/server.c (load_data): Return NULL if the marker line is
11271 (run_shell): If load_data returns NULL, retry the command once, in
11274 * configure: Rebuilt.
11276 2000-02-09 Bruce Korb <bkorb@gnu.org>
11278 * gcc/fixincludes: ** DELETED **
11279 * gcc/fixcpp: ** DELETED **
11280 * gcc/fixinc-nt.sed: ** DELETED **
11281 * gcc/just-fixinc: ** DELETED **
11282 * gcc/Makefile.in: Removed out-dated commentary
11283 * gcc/configure.in: Removed fast-fixincludes disablement.
11284 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11286 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11287 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11290 2000-02-09 Richard Henderson <rth@cygnus.com>
11292 * jump.c (delete_insn): Don't delete user labels at -O0.
11294 2000-02-09 Robert Lipe <robertl@sco.com>
11296 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11297 Don't link with HOST_LIBS.
11299 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11301 * configure.in: Correct --help text for --with-dwarf2.
11302 Put tm-dwarf2.h after other tm files, if it's requested.
11303 * configure: Regenerate.
11304 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11307 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11309 * cpplib.h: Provide HASHNODE typedef and forward decl of
11310 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11311 DEFINITION, struct hashnode, struct macrodef, struct
11312 definition, scan_decls prototype, default defn of
11313 INCLUDE_LEN_FUDGE moved elsewhere.
11315 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11316 definition, and struct hashnode moved here. Remove the unused
11317 'predefined' field from struct definition. Replace the 'args'
11318 union with its sole member. All users updated (cpphash.c).
11319 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11320 multiple include guard.
11322 * cpphash.c (hashf): Make static; use better algorithm; drop
11323 HASHSIZE parameter; return an unsigned int.
11324 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11325 used. Calculate HASHSIZE modulus here.
11326 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11328 (create_definition): Drop PREDEFINITION parameter.
11329 * cpplib.c (do_define): Don't calculate a hash value here.
11330 Don't pass (keyword == NULL) to create_definition.
11332 * scan.h: Prototype scan_decls here.
11333 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11334 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11335 callers of cpp_lookup and cpp_install updated.
11337 * cpphash.c (macarg): Hoist all the flag diddling out of the
11339 (macroexpand): ... and out of the loop that calls macarg.
11340 Skip over the initial paren before macro arguments with
11341 cpp_get_non_space_token; point may be some distance before
11342 that paren. Abort if it's not there.
11344 * cpplib.c (parse_clear_mark): Delete function.
11345 (parse_set_mark, parse_goto_mark): Make static.
11346 (ACTIVE_MARK_P): New macro.
11347 (skip_block_comment, skip_line_comment): Do not bump the line
11348 if ACTIVE_MARK_P is true.
11349 (cpp_pop_buffer): The buffer to be popped may not have an
11351 (cpp_get_token): When looking for the initial paren before
11352 macro arguments, only set a mark in a file buffer, Always
11353 return to that mark before proceeding to call macroexpand or
11354 return a NAME token.
11356 * cpplib.h: Remove prototypes of parse_set_mark,
11357 parse_clear_mark, parse_goto_mark.
11358 (struct cpp_options): Rename 'put_out_comments' to
11359 'discard_comments' and invert its sense.
11360 * cppinit.c, cpphash.c, cpplib.c: All users of
11361 put_out_comments changed to use discard_comments, with
11364 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11366 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11367 the edge from a block that both jumps and falls through to the
11370 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11372 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11373 constant source address is legitimate.
11375 2000-02-09 Philip Blundell <pb@futuretv.com>
11377 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11380 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11382 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11384 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11386 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11387 ends with a newline and a NUL. Don't be so clever manipulating
11390 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11392 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11393 not to BIGGEST_ALIGNMENT.
11395 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11397 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11398 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11399 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11400 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11401 * frame.c (execute_cfa_insn): Handle
11402 DW_CFA_GNU_negative_offset_extended.
11404 2000-02-08 Richard Henderson <rth@cygnus.com>
11406 * flow.c (tidy_fallthru_edges): Split out from ...
11407 (delete_unreachable_blocks): ... here.
11408 (find_basic_blocks): Use it.
11410 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11412 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11414 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11416 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11417 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11418 (fix-header.o): Don't depend on cpphash.h.
11420 * scan.c (hashstr): New function.
11421 * scan.h: Prototype it.
11422 * fix-header.c: Don't include cpphash.h. Use hashstr.
11423 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11424 hashstr. Report hash table statistics. Add private
11425 definition of xrealloc.
11427 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11429 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11431 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11433 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11434 jumps with returns unless they are jumps to the fallthru block.
11436 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11438 * i386.md (addqi3_cc): Fix contraints.
11440 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11442 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11444 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11446 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11447 carriage return after a macro name.
11449 2000-02-07 Fred Fish <fnf@be.com>
11451 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11452 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11454 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11456 * cppfiles.c (deps_output): Count spacers in deps_column.
11458 2000-02-07 Neil Booth <NeilB@earthling.net>
11460 * cppinit.c (initialize_dependency_output): If there is no
11461 suffix, don't try to look for known suffixes. Use strrchr.
11462 (cpp_start_read): Remove duplicate initialization.
11464 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11466 * calls.c (compute_argument_block_size): New argument
11467 preferred_stack_boundary.
11468 (expand_call): update cfun->preferred_stack_boundary, update call of
11469 compute_argument_block_size
11470 (emit_library_call): Increate cfun->preferred_stack_boundary
11471 to PREFERRED_STACK_BOUNDARY
11472 (emit_library_call_value): Likewise.
11473 * explow.c (allocate_dynamic_stack_spave): Likewise.
11474 * function.c (prepare_function_start): Set
11475 cfun->preferred_stack_boundary
11476 * function.h (struct function): Add preferred_stack_boundary field.
11477 * integrate.c (expand_inline_function): Update
11478 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11479 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11480 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11482 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11484 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11485 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11486 cpp_pedwarn, cpp_pedwarn_with_line,
11487 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11488 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11489 v_cpp_error_with_line, v_cpp_warning_with_line,
11490 cpp_message_from_errno, cpp_perror_with_name): Delete.
11492 * cpperror.c (cpp_print_containing_files): Take starting
11493 buffer as argument.
11494 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11495 (v_cpp_message): Now called directly by all entry points.
11497 (cpp_pfatal_with_name, cpp_message): Delete.
11498 (cpp_notice_from_errno, cpp_ice): New functions.
11499 (cpp_notice): Is now for reporting error conditions, just
11500 without an associated file.
11501 (cpp_error, cpp_error_with_line): Don't do anything if
11502 opts->inhibit_errors is on.
11503 (cpp_pedwarn_with_file_and_line): Take column argument also.
11505 * cpplib.h: Update prototypes of exported functions.
11506 (struct cpp_options): Add inhibit_errors.
11508 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11509 non-error messages. Include intl.h.
11511 * cppinit.c, cppmain.c: Likewise. Also, use
11512 cpp_notice_from_errno instead of cpp_perror_with_name or
11513 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11515 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11516 report internal errors.
11518 * cpplib.c (do_define): Switch bcopy to memcpy.
11519 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11521 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11522 bail out early if we hit a line comment.
11524 2000-02-06 Richard Henderson <rth@cygnus.com>
11526 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11527 * basic-block.h: Declare them.
11528 * emit-rtl.h (active_insn_p): New.
11529 (next_active_insn, prev_active_insn): Use it.
11530 * rtl.h: Declare it.
11531 * function.c (emit_return_into_block): New.
11532 (thread_prologue_and_epilogue_insns): Insert return insns instead
11533 of epilogues when possible.
11534 * jump.c (jump_optimize_1): Remove code to insert a return insn
11535 on the fallthru to the exit block.
11537 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11538 and for non-empty stack frames.
11539 * i386.md (return): Expand to return-pop as needed.
11541 2000-02-06 Richard Henderson <rth@cygnus.com>
11543 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11544 constant to op1 for testing.
11546 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11548 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11549 (fixuns_truncqfqi2): Use it.
11551 2000-02-06 Richard Henderson <rth@cygnus.com>
11553 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11554 as a TYPE_LEA insn.
11556 * i386.md (widening and peepholes): Mask the constant instead of
11559 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11561 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11562 input pointer before possibly branching off to the backslash
11564 * cpphash.c (macroexpand): Correctly delete \r escapes when
11565 stringifying parameters.
11566 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11567 if we can; bail out early if we hit a line comment.
11568 (handle_directive): Treat '# 123' in an .S file just like
11569 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11570 Return 1 for '# not_a_directive'.
11571 (get_directive_token): Pop macro buffers here, so that
11572 cpp_get_token can't sneakily move past a newline.
11574 (cpp_get_token): goto randomchar if handle_directive returns 0.
11576 * cppalloc.c: Update copyright.
11577 * cpplib.c: Merge all the static function prototypes into one
11579 * cpplib.h: Remove #if 0 block.
11581 * cpperror.c: Remove #ifdef EMACS block.
11582 * cppmain.c: Likewise.
11583 * cpphash.c: Remove #if 0 blocks.
11584 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11585 * cpplib.c: Remove #if 0 blocks and code referencing
11586 pcp_inside_if or for_lint. Remove duplicate error message.
11587 Fix error messages for #else after #else or #elif. Reformat.
11588 Remove archaic TODO list.
11589 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11591 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11593 * i386/osf1elf.h: Add missing backslash to multiline string.
11595 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11597 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11599 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11601 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11603 * c-common.c: Include expr.h.
11605 * c-pragma.c (mark_align_stack): Add prototype.
11607 * caller-save.c (add_stored_regs): Likewise.
11609 * combine.c (record_promoted_value): Likewise.
11611 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11614 * cppinit.c (new_pending_define): Likewise.
11616 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11618 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11619 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11620 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11621 class_scope_p): Likewise.
11623 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11624 dwarf2out_add_library_unit_info): Likewise.
11626 * ggc.h (ggc_page_print_statistics): Likewise.
11628 * haifa-sched.c (propagate_deps): Likewise.
11630 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11632 * rtl.h (set_stack_check_libfunc): Likewise.
11634 * toplev.h (set_fatal_function): Likewise.
11636 * toplev.c (set_fatal_function): Delete prototype.
11638 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11640 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11642 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11643 (FUNC_END): Likewise.
11645 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11647 * caller-save.c: Include tm_p.h.
11649 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11651 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11653 2000-02-04 Neil Booth <NeilB@earthling.net>
11655 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11658 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11660 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11661 * genflags.c: Use the max_operand_1 logic from genemit.c to
11662 calculate how many arguments gen_insn prototypes have. Remove
11663 NO_MD_PROTOTYPES ifdefs from the generated file.
11664 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11665 file. Cast gen_insn initializers to insn_gen_fn.
11666 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11667 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11669 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11671 * fixinc/Makefile.in (HDR): Add machname.h.
11674 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11676 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11677 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11678 (c4x_cpu_version): Ditto.
11679 * config/c4x/c4x-protos.h: ... here.
11681 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11683 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11684 gen_abstract_function on our context if we're a nested function.
11686 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11688 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11689 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11691 2000-02-04 Bruce Korb <bkorb@gnu.org>
11693 * fixinc/genfixes(machname.h):
11694 Move the functionality from gen-machine.h into this file.
11695 UNdef MN_NAME_PAT if there are no names to change.
11696 Also, be a little kinder when AutoGen is not present.
11698 * fixinc/Makefile.in(machname.h):
11699 Change the generation rule to use genfixes.
11701 * fixinc/fixfixes.c(machine_name):
11702 machine_name_fix's functionality now dependent upon whether
11703 MN_NAME_PAT is defined.
11705 * fixinc/fixtests.c(machine_name):
11708 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11711 * fixinc/fixlib.h(mn_get_regexps):
11714 * fixinc/gen-machine.h: DELETED
11716 2000-02-04 Jan Hubicka <jh@suse.cz>
11717 Richard Henderson <rth@cygnus.com>
11719 * i386.c (SAVE_REGS_FIRST): Remove.
11720 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11721 (ix86_compute_frame_size): Likewise.
11722 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11723 (ix86_emit_restore_regs): Remove.
11724 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11725 when a frame pointer is in use.
11726 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11727 instead of pop to restore a register when profitable; emit leave
11729 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11730 as a TYPE_LEA insn.
11731 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11732 * i386.md (prologue_allocate_stack): Remove.
11733 (epilogue_deallocate_stack): Remove.
11734 (pro_epilogue_adjust_stack): New.
11736 2000-02-04 Richard Henderson <rth@cygnus.com>
11738 * function.c (diddle_return_value): Rework to use a callback function.
11739 Use current_function_return_rtx if it's been set up.
11740 (do_clobber_return_reg, clobber_return_register): New.
11741 (do_use_return_reg, use_return_register): New.
11742 (expand_function_end): Use them.
11743 * stmt.c (expand_null_return): Likewise.
11744 * function.h: Declare them.
11745 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11746 (mark_reg): Change arguments as appropriate for callback.
11747 * integrate.c (expand_inline_function): Revert 19 Jan change.
11749 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11751 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11752 (Misc): Say the scheduler, not the Haifa scheduler.
11754 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11756 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11757 when in_mem is set. Update all callers.
11759 2000-02-04 Richard Henderson <rth@cygnus.com>
11761 * i386/openbsd.h (INT_ASM_OP): Define.
11763 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11765 * tm.texi: Fix various typos.
11767 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11769 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11770 (MD_STARTFILE_PREFIX_1): New macro.
11772 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11774 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11775 destination when needed.
11776 (strmovsi, strsetsi): New expander.
11777 (strmovsi_1, strsetsi_1): New pattern.
11778 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11779 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11780 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11781 * invoke.texi (align-stringops, inline-all-stringops): Document.
11783 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11785 * i386/netbsd.h (INT_ASM_OP): Define.
11787 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11789 * cpplib.h (cpp_reader): Add new flag, no_directives.
11790 * cpphash.c (macarg): Set it.
11791 * cpplib.c (handle_directive): If no_directives is on and we
11792 find a directive, issue an error and discard the line.
11794 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11796 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11797 FP constants. Add ! TARGET_FPU check for FP constants.
11799 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11801 * flow.c (find_basic_blocks): Don't kill label_value_list
11803 (cleanup_cfg): Kill it here.
11805 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11807 * expr.c (store_field): Ensure ALIGN is no stricter than the
11810 2000-02-02 Richard Henderson <rth@cygnus.com>
11812 * jump.c (delete_insn): Partially revert 19 Jan change;
11813 don't convert unused code labels to notes at -O0.
11815 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11817 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11818 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11820 2000-02-01 Richard Henderson <rth@cygnus.com>
11822 * i386.c (general_no_elim_operand): New.
11823 (nonmemory_no_elim_operand): New.
11824 (ix86_expand_move): Copy eliminable operands before a push.
11825 * i386-protos.h: Declare new functions.
11826 * i386.h (CAN_ELIMINATE): Simplify.
11827 (PREDICATE_CODES): Update.
11828 * i386.md (push insns): Don't allow eliminable register operands.
11830 2000-02-01 Richard Henderson <rth@cygnus.com>
11832 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11833 replace BLKmode with DECL_RTL's mode.
11835 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11837 * frame.c (find_fde): Convert for loop to do-while so compiler
11838 sees it's always executed at least once.
11839 * libgcc2.c (BBINBUFSIZE): Kill.
11840 (__bb_init_prg): Use fgets.
11841 (__bb_exit_trace_func): Don't paste strings.
11842 * unroll.c (unroll_loop): Initialize unroll_type, not
11843 unroll_number, and tweak logic to match.
11845 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11847 (ix86_flags_dependant): Likewise. Disentangle control flow.
11848 (ix86_sched_reorder): Break guts out to
11849 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11850 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11853 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11854 use string concatenation. Don't save and restore esi.
11856 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11857 (machname.h): Remove script to separate file. Use two-step
11858 sequence so target is not created if script fails.
11859 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11860 identifiers are defined.
11861 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11862 an empty string, machine_name doesn't need to do anything at
11864 (is_cxx_header): Add more cases to regexp.
11865 * fixinc/fixlib.h: Update prototype.
11866 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11868 * fixinc/fixincl.c: Define NO_BOGOSITY.
11870 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11871 (hp_sysfile): Add missing comma.
11872 (math_exception): Put the wrapper ifdefs at the beginning and
11873 the end of the file.
11874 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11876 2000-02-01 Richard Henderson <rth@cygnus.com>
11878 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11879 Use CONST0_RTX. Update all callers.
11880 * sparc.h, sparc-protos.h: Update accordingly.
11881 * sparc.md (fp mov insns): Use fp_zero_operand directly
11884 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11886 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11889 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11891 * Makefile.in (specs.ready): New target.
11892 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11894 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11896 * fixinc.irix: Use unique filenames for writing into /tmp,
11897 * fixinc.ptx: Likewise.
11898 * fixinc.sco: Likewise.
11899 * fixinc.svr4: Likewise.
11900 * fixinc.winnt: Likewise.
11902 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11904 * tsystem.h: New file.
11906 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11907 s-crtS): Depend on tsystem.h.
11909 * crtstuff.c: Include tsystem.h.
11910 * frame.c: Likewise.
11911 * libgcc2.c: Likewise.
11913 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11915 * builtins.c (expand_builtin_memset): Expand for variable sized
11918 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11920 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11923 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11925 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11927 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11929 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11931 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11932 case 3->2 combining (combining with splitting) in which 2 is CC0
11933 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11934 checked at the begining of the function with the aid of calling
11935 function 'can_combine_p'.
11937 2000-01-31 Dave Brolley <brolley@redhat.com>
11939 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11941 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11943 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11946 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11948 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11950 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11953 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11955 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11956 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11957 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11958 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11959 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11960 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11961 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11962 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11963 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11964 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11966 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11967 Add %(cpp_cpu) to CPP_SPEC.
11969 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11970 Add %(cc1_cpu) to CC1_SPEC.
11972 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11974 * c-decl.c (c_decode_option): Accept optional numeric argument to
11975 -Wformat and set warn_format.
11976 * c-common.c: Don't emit warning about non-constant printf format
11977 string unless warn_format > 1.
11979 2000-01-30 Richard Henderson <rth@cygnus.com>
11981 * alpha.md (return_internal): Allow after reload only.
11983 2000-01-30 Richard Henderson <rth@cygnus.com>
11985 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11986 local frame size is zero.
11988 2000-01-30 Richard Henderson <rth@cygnus.com>
11990 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11991 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11992 * alpha.md (return): Turn into an expander.
11993 (return_internal): Don't use $26.
11994 (epilogue): Emit the return insn.
11996 2000-01-30 Richard Henderson <rth@cygnus.com>
11998 * alpha.md (negtf2, abstf2): Fix word order thinko.
11999 (extendsftf2): New.
12000 (trunctfsf2): Avoid intermediate rounding errors.
12002 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12004 * cppfiles.c (find_position): Drop 'colp' argument, return the
12006 (read_and_prescan): Adjust to match. Don't ever manipulate
12007 line or line_base except via find_position.
12009 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12011 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12012 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12015 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12017 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12018 just print "<command line>". If 'filename' is null or an
12019 empty string, print "<stdin>" for the filename.
12020 * cpplib.c (do_define): Don't print the 'location of the
12021 previous definition' message if we're still parsing the
12023 (cpp_pedwarn_with_file_and_line): Always call
12024 cpp_file_line_for_message.
12026 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12028 * flow.c (mark_regs_live_at_end): Fix typo.
12030 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12032 * c-common.c: Adjust variable names, comments, help strings to c99.
12033 * c-lex.c: Likewise.
12034 * c-parse.y: Likewise.
12035 * c-tree.h: Likewise.
12036 * cccp.c: Likewise.
12037 * cpplib.h: Likewise.
12038 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12039 * cppinit.c: Likewise.
12041 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12043 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12044 * c4x.c: Define the optab rtx values.
12045 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12046 (c4x_emit_libcall): Use new optab rtx values.
12047 (c4x_emit_libcall3): Likewise.
12048 (c4x_emit_libcall_mulhi): Likewise.
12049 * c4x-protos.h: Add prototypes for optab rtx values and change
12050 prototypes for above c4x_emit_libcall functions.
12052 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12054 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12056 (c4x_function_prologue): Use regnames intead of float_reg_names when
12058 (c4x_function_epilogue): Likewise.
12059 (c4x_print_operand): Likewise.
12060 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12061 * c4x.md (set_high): Disable for TARGET_TI.
12063 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12065 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12066 of framepointer + constant to ADDR_REGS class.
12067 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12068 * c4x.c (std_or_reg_operand): New function.
12069 * c4x-protos.h (std_or_reg_operand): Prototype it.
12071 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12073 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12074 object names as libgcc2.c.
12075 * libgcc.S: Use newly defined names.
12077 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12078 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12080 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12081 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12082 (FLOW_LOOP_LAST_BLOCK): Likewise.
12084 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12086 * basic-block.h (struct loop): New fields 'first' and 'last'.
12087 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12088 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12089 and loop->last to check for NOTE_INSN_LOOP_END.
12091 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12093 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12094 of the loop descriptor rather than HEADER and LATCH. Also added
12095 missing break statements as well making some coding style modifications
12096 as suggested by Michael Hayes.
12098 2000-01-28 Richard Henderson <rth@cygnus.com>
12100 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12101 Break out that code ...
12102 (cleanup_cfg): ... here.
12103 (commit_one_edge_insertion): Detect a return instruction being
12104 emitted to an edge. Emit a barrier following; clear fallthru.
12105 (commit_edge_insertions): Verify CFG consistency.
12106 * function.c (expand_function_start): Kill unused variable.
12107 (expand_function_end): Likewise.
12108 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12109 to insert the epilogue.
12111 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12112 (delete_null_pointer_checks): Likewise.
12113 * output.h: Likewise.
12114 * reg-stack.c (reg_to_stack): Likewise.
12115 * toplev.c (rest_of_compilation): Likewise. Run
12116 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12118 2000-01-28 Richard Henderson <rth@cygnus.com>
12120 * Makefile.in (flow.o): Revert 24 Jan change.
12121 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12122 FUNCTION_VALUE result to DECL_RESULT's mode.
12124 * haifa-sched.c (schedule_insns): Don't recompute reg info
12127 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12129 * configure.in: Make --enable-cpplib the default.
12130 * configure: Regenerate.
12131 * gcc.dg/990119-1.c: No longer expected to fail.
12133 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12135 * jump.c (jump_optimize_1): Delete an optimization that is also done
12136 by merge_blocks in flow.
12138 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12140 * diagnostic.c (build_message_string, output_printf,
12141 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12142 (build_location_prefix): Fix non-literal format string.
12144 2000-01-27 Richard Henderson <rth@cygnus.com>
12146 * alpha.md (trunctfsf2): New.
12148 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12150 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12152 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12154 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12156 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12158 (skip_comment) ... here. Permit C++ comments in system
12159 headers always. Warn about C++ comments in user code under
12160 -std=gnu89 -pedantic.
12161 (copy_comment): Use skip_comment.
12162 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12164 (consider_directive_while_skipping, do_else, do_endif): Call
12165 validate_else unconditionally.
12166 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12167 text after the conditional in a system header.
12168 * cpplib.h (struct cpp_buffer): Add flag
12169 warned_cplusplus_comments.
12171 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12173 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12174 Use unshare_all_rtl_1.
12175 (unshare_all_rtl_again): New function.
12176 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12178 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12179 rather than resetting the 'used' flags ourself.
12181 * toplev.c (rest_of_compilation): Add current_function_decl
12182 to the unshare_all_rtl call.
12183 * tree.h: Prototype unshare_all_rtl.
12184 * rtl.h: Prototype unshare_all_rtl_again here.
12186 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12188 * genoutput.c (output_prologue): Include ggc.h in generated
12190 * Makefile.in (insn-output.o): Depends on ggc.h.
12192 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12193 Hans-Peter Nilsson <hp@bitrange.com>
12195 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12196 Remove redundant include of xm-ns32k.h.
12197 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12198 Remove redundant include of xm-ns32k.h.
12199 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12200 Remove redundant include of xm-ns32k.h.
12201 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12203 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12204 (TARGET_SWITCHES): Add documentation strings.
12205 (DWARF_FRAME_REGNUM): Override default definition.
12206 (REG_CLASS_CONTENTS): Add comments.
12207 (SUBSET_P): Format to reduce line length.
12208 (SMALL_REGISTER_CLASSES): Make a run time option.
12209 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12210 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12211 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12212 (regclass_map): fix typo in comment.
12213 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12214 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12215 (trace, reg_or_mem_operand): Delete, unused function.
12216 (calc_address_cost): Small offsets are cheaper than large ones.
12217 (expand_block_move): Generate more efficient code when bytes is a
12218 known at compile time.
12219 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12220 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12221 instead of reg_or_mem_operand.
12223 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12224 not general_operand. Similarly use "=rm" or stricter, not "=g".
12225 For input operands, use stricter constraints than "g" if not
12226 general_operand. Similarly use stricter predicate than
12227 "general_operand" when stricter constraints than "g" are present,
12228 except for matching constraints.
12229 (movstrsi): Use "memory_operand" for operands 0 and 1.
12230 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12231 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12232 not reg_or_mem_operand.
12233 (udivmoddisi4): Ditto.
12234 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12235 Use nonimmediate_operand for operand 3, not register_operand.
12236 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12237 reg_or_mem_operand.
12239 2000-01-27 Fred Fish <fnf@be.com>
12241 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12242 * gthr-single.h: Likewise.
12243 * gthr-solaris.h: Likewise.
12244 * gthr-vxworks.h: Likewise.
12245 * gthr-win32.h: Likewise.
12246 * gthr.h: Likewise.
12248 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12250 * cppinit.c: Add " (cpplib)" to end of string printed by
12253 2000-01-27 Richard Henderson <rth@cygnus.com>
12255 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12256 testing for a signed comparison.
12257 (alpha_emit_floatuns): New.
12258 * alpha-protos.h: Declare it.
12259 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12260 (extendsfdf2): Tidy.
12262 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12264 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12265 no -g option specifying debugging format, default to -gstabs+.
12267 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12269 * calls.c (special_function_p): New argument fork_or_exec.
12270 (expand_call): When profile_arc_flag is set and the function
12271 is in the fork_or_exec group, call __bb_fork_func first.
12272 * libgcc2.c, _bb module (__bb_fork_func): New function.
12273 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12275 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12276 * tree.h (special_function_p): Update prototype.
12278 2000-01-26 Richard Henderson <rth@cygnus.com>
12280 * alpha.c (alpha_split_tfmode_pair): New.
12281 * alpha-protos.h: Declare it.
12282 * alpha.md (abstf2, negtf2): New.
12283 (movtf insn): Add input G constraint.
12284 (movtf splitter): Use alpha_split_tfmode_pair.
12286 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12288 * i386/cygwin.h: PROTO -> PARAMS.
12290 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12292 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12293 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12294 using _Qp_cmp/_Q_cmp and testing the return value.
12295 (print_operand): Call reverse_condition_maybe_unordered if
12296 we are handling CCFPmode or CCFPEmode.
12297 Handle ORDERED, UN* and LTGT comparisons.
12298 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12299 if not TARGET_HARD_QUAD.
12300 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12301 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12302 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12303 Adjust gen_b* calls so that they reflect return comparison of
12304 sparc_emit_float_lib_cmp.
12306 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12308 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12309 incoming operands array is large enough for one more operand.
12310 (alpha_emit_xfloating_arith): Likewise.
12312 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12314 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12315 file with one line and no trailing newline.
12316 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12317 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12318 checking if the match is on the line.
12319 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12321 2000-01-25 Richard Henderson <rth@cygnus.com>
12323 * sparc.c (output_cbranch): Fix accidental squashing of the
12324 fp branch pre-delay nop.
12326 2000-01-25 Richard Henderson <rth@cygnus.com>
12328 * tree.def (UNNE_EXPR): Remove.
12329 * c-typeck.c (build_binary_op): Don't handle it.
12330 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12332 * rtl.def (UNNE): Remove.
12334 * jump.c (reverse_condition): Update accordingly.
12335 (swap_condition): Likewise.
12336 (comparison_dominates_p): Handle unordered comparisons.
12337 (reverse_condition_maybe_unordered): New.
12338 * rtl.h (reverse_condition_maybe_unordered): Declare.
12340 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12341 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12342 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12343 * sparc.md (bltgt): New.
12345 2000-01-25 Nick Clifton <nickc@redhat.com>
12347 * emit-rtl.c (emit_insn): Only check machine class insns for
12348 improper emission of a RETURN.
12350 2000-01-25 Richard Henderson <rth@cygnus.com>
12352 * Makefile.in (flow.o): Depend on $(EXPR_H).
12353 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12354 duplicate the structure of diddle_return_value for keeping regs live.
12356 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12358 * loop.c (current_loop_info): Delete.
12359 (consec_sets_invariant_p): Add loop argument, update callers.
12360 (get_condition_for_loop): Likewise.
12361 (count_nonfixed_reads, update_giv_derive): Likewise.
12362 (simplify_giv_expr, general_induction_var): Likewise.
12363 (consec_sets_giv, recombine_givs): Likewise.
12364 (move_movables): Delete loop_start and loop_end arguments,
12365 add loop argument, and update callers.
12366 (find_mem_givs, check_final_value): Likewise.
12367 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12368 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12370 (basic_induction_var): Add loop argument, delete loop_level argument,
12371 and update callers.
12372 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12373 add loop argument, and update callers.
12374 (find_splittable_regs, find_splittable_givs): Likewise.
12375 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12376 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12377 (biv_total_increment): Delete loop_start and loop_end arguments;
12379 (precondition_loop_p): Delete loop_start and loop_info arguments;
12381 * loop.h (get_condition_for_loop): Add loop argument.
12382 (biv_total_increment): Delete loop_start and loop_end arguments.
12383 (precondition_loop_p): Delete loop_start and loop_info arguments;
12385 (final_biv_value): Delete loop_start and loop_end arguments;
12387 (final_giv_value, back_branch_in_range_p): Likewise.
12389 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12391 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12393 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12395 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12396 point to the new "generated_files" doc.
12398 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12400 * config/fp-bit.c (_unord_f2): Fix typo.
12402 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12404 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12405 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12406 functions obsoleted by GC, such as push_obstacks_nochange,
12407 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12408 and code which existed only to decide whether or not to call
12409 them. Remove now-unused NESTED argument from start_function;
12410 all callers changed. Do not change behavior based on ggc_p.
12411 The use of the ixp_obstack in c-iterate.c and the util_obstack
12412 in objc/objc-act.c remain; these are not obsoleted by garbage
12414 * c-tree.h: Update prototype for start_function.
12416 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12418 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12420 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12423 2000-01-25 Richard Henderson <rth@cygnus.com>
12425 * sparc-protos.h (select_cc_mode): Declare.
12426 * sparc.c (select_cc_mode): New. Handle unordered compares.
12427 (output_cbranch): Always reverse via code change. Handle
12428 unordered compares. Factor tests and string updates.
12429 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12430 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12431 * sparc.md (bunordered, bordered): New.
12432 (bungt, bunlt, buneq, bunge, bunle): New.
12434 2000-01-25 Richard Henderson <rth@cygnus.com>
12436 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12437 * ggc-common.c (ggc_add_rtx_varray_root): New.
12438 (ggc_mark_rtx_varray): New.
12439 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12440 functions down below ggc_mark_foo.
12441 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12443 2000-01-25 Richard Henderson <rth@cygnus.com>
12445 * alpha.c (secondary_reload_class): Don't allocate a secondary
12446 for integral mode memories into FLOAT_REGS. Rearrange the more
12447 complicated memory expression inward.
12449 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12451 * inclhack.def: Fixes to play nicer with FreeBSD, and
12452 corrections to comments.
12453 (cxx_unready): Add select expression.
12454 (irix_sockaddr): Add bypass expression.
12455 (machine_ansi_h_va_list): New fix.
12456 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12457 Split out addition of "#include <stdarg.h>" to...
12458 (stdio_stdarg_h): ... here.
12459 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12460 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12461 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12463 (ultrix_ifdef): Tighten up select expression.
12465 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12466 re_ct and max_mach to avoid use of shell. Make printed names
12467 match names in inclhack.def. Use static copyright date.
12468 Don't count c_test and test expressions as requiring regex_t
12469 slots. Add some commentary.
12470 * inclhack.tpl: Do not include the 'This script contains N
12471 fixup scripts' line if PROGRAM is defined. Use static
12474 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12476 * dwarf2out.c: include "varray.h", not dyn-string.h.
12477 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12478 (addr_const_to_string, addr_to_string): Lose.
12479 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12480 (struct dw_val_struct): val_addr is now an rtx.
12481 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12482 (used_rtx_varray): New varray.
12483 (dwarf2out_init): Initialize it.
12484 (save_rtx): New fn.
12485 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12487 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12488 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12489 * Makefile.in (dwarf2out.o): Update dependencies.
12491 2000-01-24 Richard Henderson <rth@cygnus.com>
12493 * i386.c (i386_dwarf_output_addr_const): New.
12494 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12496 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12498 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12499 * i386.c (i386_simplify_dwarf_addr): New.
12500 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12502 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12504 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12505 TYPE_STUB_DECL is NULL.
12507 2000-01-24 Richard Henderson <rth@cygnus.com>
12509 * builtins.c (expand_tree_builtin): Move ...
12510 * c-common.c (expand_tree_builtin): ... here.
12512 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12514 * loop.h (LOOP_INFO): New accessor macro.
12515 * basic-block.h (struct loop): Rename field `info' to `aux'.
12516 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12517 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12518 * unroll.c (loop_iterations, unroll_loop): Likewise.
12520 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12522 * config/i386/t-cygwin: Accomodate new winsup directory layout
12523 when searching for include files.
12525 2000-01-24 Richard Henderson <rth@cygnus.com>
12527 * rtl.def: Add unordered fp comparisions.
12528 * tree.def: Likewise.
12529 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12531 * builtins.c (expand_tree_builtin): New function.
12532 * c-typeck.c (build_function_call): Use it.
12533 (build_binary_op): Support unordered compares.
12534 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12536 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12537 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12538 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12539 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12540 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12542 (swap_condition): Handle unordered compares.
12543 (thread_jumps): Check can_reverse before reversing.
12544 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12547 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12548 setcc is present before acking for cmp_optab. Update all callers.
12549 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12550 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12551 * expr.c (expand_expr): Likewise. Support unordered compares.
12552 (do_jump, do_store_flag): Likewise.
12553 * expr.h (enum libfunc_index): Add unordered compares.
12555 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12556 (DPBIT_FUNCS): Add _unord_df.
12557 * config/fp-bit.c (_unord_f2): New.
12558 * fp-test.c (main): Try unordered compare builtins.
12560 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12561 * alpha.c (alpha_comparison_operator): Check mode properly.
12562 (alpha_swapped_comparison_operator): Likewise.
12563 (signed_comparison_operator): Likewise.
12564 (alpha_fp_comparison_operator): New.
12565 (alpha_emit_conditional_branch): Handle unordered compares.
12566 * alpha.h (PREDICATE_CODES): Update.
12567 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12568 (bunordered, bordered): New.
12570 2000-01-24 Richard Henderson <rth@cygnus.com>
12572 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12573 * alpha.md (movtf): New expander, insn, and splitter.
12575 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12577 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12580 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12582 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12583 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12584 REG_ALLOC_ORDER): Add frame pointer
12585 (FRAME_POINTER_REGNUM): Set to 20
12586 (HARD_FRAME_POINTER_REGNUM): New macro.
12587 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12588 to HARD_FRAME_POINTER.
12589 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12590 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12591 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12592 (HI_REGISTER_NAMES): Add "frame".
12593 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12594 (debug_reg): Handle FRAME_POINTER_REGNUM.
12595 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12596 GENERAL_REGS and INDEX_REGS.
12597 * i386.c (SAVED_REGS_FIRST): new macro.
12598 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12599 (ix86_decompose_address, memory_address_length): Likewise.
12600 (regclass_map): Add frame pointer.
12601 (call_insn_operand): Handle frame_pointer_rtx.
12602 (reg_no_sp_operand): Likewise.
12603 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12604 (print_operand, legitimize_pic_address): Fix formating.
12605 (ix86_compute_frame_size): Make static, update prototype, new
12606 parameters padding1, padding2, use ix86_nsaved_regs, use
12607 stack_alignment_needed.
12608 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12609 to HARD_FRAME_POINTER_REGNUM conversions.
12610 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12611 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12612 (print_reg): Abort on FRAME_POINTER_REGNUM
12614 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12616 * i386.h (PREDICATE_CODES): Add aligned_operand.
12617 * i386.c (aligned_operand): New function.
12618 (ix86_aligned_p): Kill.
12619 * i386.md (movhi_1): Emit mov for aligned operands.
12620 (promoting peep2s): Use aligned_operand.
12622 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12624 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12625 expression to allow underscores in macro names.
12626 (fix_char_macro_defines): Increment scanning pointer.
12628 2000-01-23 Richard Henderson <rth@cygnus.com>
12630 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12631 * alpha/osf5.h: New file.
12632 * configure.in (alpha-*-osf5): Add it to tm_file.
12634 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12636 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12637 (alpha_emit_xfloating_cvt, function_arg): Declare.
12638 * alpha.c (alpha_emit_conditional_branch): Call
12639 alpha_emit_xfloating_compare for TFmode compares.
12640 (alpha_lookup_xfloating_lib_func): New.
12641 (alpha_compute_xfloating_mode_arg): New.
12642 (alpha_emit_xfloating_libcall): New.
12643 (alpha_emit_xfloating_arith): New.
12644 (alpha_emit_xfloating_compare): New.
12645 (alpha_emit_xfloating_cvt): New.
12646 (print_operand): Add default abort case.
12647 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12648 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12649 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12650 (RETURN_IN_MEMORY): True for TF/TCmode.
12651 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12652 (FUNCTION_ARG): Move to function_arg.
12653 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12654 (ASM_OUTPUT_LONG_DOUBLE): New.
12655 (ASM_OUTPUT_DOUBLE): Always output bits.
12656 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12657 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12658 (extenddftf2, trunctfdf2): New.
12660 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12662 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12663 * config/sparc/sol2.h: ... here.
12665 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12667 * basic-block.h (struct loops): New field `levels'.
12668 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12669 (flow_loop_level_compute): Initialise level to 1.
12670 (flow_loops_find): Set loops->levels.
12671 (flow_loops_dump): Print loops->levels.
12673 2000-01-23 Richard Henderson <rth@cygnus.com>
12675 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12676 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12678 2000-01-23 Richard Henderson <rth@cygnus.com>
12680 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12681 * i386.h (DBX_REGISTER_NUMBER): Use them.
12682 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12683 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12684 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12685 * i386/sequent.h: Kill incorrect comment.
12687 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12689 * ggc-page.c (struct page_entry): Make `context_depth' an
12691 (struct globals): Likewise.
12693 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12695 * loop.c (check_dbra_loop): When checking a loop for
12696 reversability, check the source of any stores to ensure
12697 they don't depend on an initial value.
12699 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12701 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12703 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12705 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12706 'pz_scan' into scope of entire function. Only affects
12707 compiles with -DDEBUG.
12709 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12711 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12712 section naming to that prior to 2000-01-07 patch.
12713 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12714 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12715 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12716 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12717 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12719 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12721 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12724 2000-01-21 Jim Wilson <wilson@cygnus.com>
12726 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12727 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12729 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12731 * cpphash.c (change_newlines): Delete function.
12732 (struct argdata): Delete 'newlines' and 'use_count' fields.
12733 (macroexpand): Remove code referencing those fields.
12735 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12737 * loop.c (loops_info): New variable.
12738 (loop_optimize): Allocate loops->array and free it on exit.
12739 Allocate memory for loops_info and assign to each loop,
12741 (find_and_verify_loops): Do not allocate loops->array.
12743 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12745 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12747 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12749 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12750 pseudos if expanded after first flow.
12751 (movdi_pic_label_ref): Likewise.
12753 2000-01-20 Richard Henderson <rth@cygnus.com>
12755 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12757 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12759 * Makefile.in (fixinc.sh): Depend on specs.
12760 * fixinc/Makefile.in: Add rule to create machname.h.
12761 (fixlib.o): Depend on machname.h.
12762 * fixinc/fixtests.c (machine_name): New test.
12763 * fixinc/fixfixes.c (machine_name): New fix.
12764 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12765 the machine_name test and fix.
12766 * fixinc/fixlib.h: Prototype it.
12767 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12768 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12770 * gcc.c (do_spec_1) [case P]: Take care not to create
12771 identifiers with three leading or trailing underscores.
12773 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12774 (fixincl): Don't specify libraries twice on link line.
12775 (gnu-regex.o): Remove special rule.
12776 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12777 defined by config.h. Do not define _REGEX_RE_COMP.
12778 (regcomp): Allocate and initialize a fastmap.
12779 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12781 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12783 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12785 2000-01-19 Richard Henderson <rth@cygnus.com>
12787 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12788 arguments with BB. Update all callers. Tidy line wrapping.
12790 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12792 * emit-rtl.c (try_split): Return last_insn if we split the
12795 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12797 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12798 (ix86_initial_elimination_offset): Declare.
12799 * i386.c (ix86_nsaved_regs): Break out from ...
12800 (ix86_can_use_return_insn_p): ... here.
12801 (ix86_emit_save_regs): Break out from ...
12802 (ix86_expand_prologue): ... here.
12803 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12805 (ix86_expand_epilogue): ... here.
12806 (ix86_compute_frame_size): Make static, add prototype.
12807 (ix86_initial_elimination_offset): Break out from ...
12808 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12810 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12812 * recog.h (OUT_FCN): Delete.
12814 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12816 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12818 * cppalloc.c: PROTO -> PARAMS.
12819 * cpperror.c: Likewise.
12820 * cppfiles.c: Likewise.
12821 * cpplib.c: Likewise.
12822 * cpplib.h: Likewise.
12824 * config/arm/arm-protos.h: PROTO -> PARAMS.
12825 * config/arm/arm.c: Likewise.
12826 * config/c4x/c4x.c: Likewise.
12827 * config/fr30/fr30-protos.h: Likewise.
12828 * config/nextstep.c: Likewise.
12829 * config/pa/pa.c: Likewise.
12830 * config/pj/pj.c: Likewise.
12831 * config/rs6000/rs6000.c: Likewise.
12832 * config/v850/v850-protos.h: Likewise.
12833 * config/v850/v850.c: Likewise.
12835 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12837 * i370-protos.h: New file.
12839 * i370.c: Include tm_p.h. Fix compile time warnings.
12841 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12844 * i370.md: Likewise.
12846 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12848 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12849 (target_isinf, target_isnan, eisnan): Mark parameter with
12851 (eiisinf): Wrap in INFINITY.
12852 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12853 (ibmtoe): Remove unused variable `rndsav'.
12855 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12857 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12858 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12860 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12862 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12863 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12864 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12866 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12867 Recognize Emacs mode markers also.
12868 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12869 C++ comments in C++ headers. Call is_cxx_header only if
12872 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12873 bypass for ncurses.
12874 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12875 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12876 ... these, which use the new C fixes.
12877 (math_exception): Escape literal '+' in bypass expression.
12879 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12882 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12884 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12887 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12889 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12890 prior to calling scan_loop.
12892 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12894 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12895 (split_branches, calc_live_regs): Likewise.
12897 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12899 * sh.md (fpu_single, fp_mode): New attributes.
12901 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12903 * loop.c (current_loop_info): Renamed from loop_info_data
12904 and changed to a pointer.
12905 (loop_optimize): Allocate loop_info structure for each loop
12906 and initialise to zero.
12907 (scan_loop): Set current_loop_info.
12909 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12912 2000-01-19 Richard Henderson <rth@cygnus.com>
12914 * stupid.c: Die die die.
12915 * Makefile.in (OBJS): Remove stupid.o.
12916 (stupid.o): Likewise.
12918 * except.c (emit_eh_context): Don't emit USEs for stupid.
12919 * explow.c (probe_stack_range): Likewise.
12920 * flags.h (obey_regdecls): Remove.
12921 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12922 when not optimizing.
12923 (life_analysis): Limit data collection when not optimizing.
12924 (mark_regs_live_at_end): Always mark the return value registers.
12925 (mark_used_regs): Remove dummy RETURN case.
12926 (print_rtl_with_bb): Don't consult obey_regdecls.
12927 * function.c (use_variable, use_variable_after): Remove.
12928 (assign_parms): Consult optimize not obey_regdecls.
12929 (expand_function_start): Don't emit USEs for stupid.
12930 (expand_function_end): Likewise.
12931 * global.c (build_insn_chain): Export.
12932 * integrate.c (expand_inline_function): Kill return-value USE
12934 * jump.c (jump_optimize_1): Do simple jump optimizations and
12935 dead code elimination.
12936 (calculate_can_reach_end): Remove check_deleted argument.
12937 (delete_insn): Patch out insns even when not optimizing.
12938 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12939 * rtl.h (use_variable, use_variable_after): Remove declarations.
12940 (build_insn_chain): Declare.
12941 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12942 (expand_end_bindings): Likewise.
12943 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12944 * toplev.c (obey_regdecls): Remove.
12945 (rest_of_compilation): Don't set it. Kill stupid in favour of
12946 flow1, local-alloc, and reload.
12947 (main): Don't set obey_regdecls.
12949 * config/nextstep.c (handle_pragma): Likewise.
12951 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12953 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12955 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12957 * alpha-protos.h: PROTO -> PARAMS.
12958 * alpha.c: Likewise.
12960 * h8300.c: Likewise.
12961 * i386-protos.h: Likewise.
12962 * i386.c: Likewise.
12963 * m32r-protos.h: Likewise.
12964 * m32r.c: Likewise.
12965 * mips.c: Likewise.
12966 * mips.md: Likewise.
12967 * gmon-sol2.c: Likewise.
12968 * sparc.c: Likewise.
12970 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12972 * ns32k-protos.h: New file.
12974 * ns32k.c: Fix compile time warnings.
12976 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12979 * ns32k.md: Likewise.
12981 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12983 * vax-protos.h: New file.
12985 * vax.c: Fix compile time warnings.
12987 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12990 * vax.md: Likewise.
12992 * vaxv.md: Likewise.
12994 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12996 * romp-protos.h: New file.
12998 * romp.c: Fix compile time warnings.
13000 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13003 * romp.md: Likewise.
13005 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13007 * we32k-protos.h: New file.
13009 * we32k.c: Fix compile time warnings.
13011 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13014 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13016 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13018 * except.c (eh_regs): Likewise.
13020 * final.c (output_operand): Likewise.
13022 * fold-const.c (target_isinf, target_isnan): Likewise.
13024 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13026 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13027 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13029 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13030 when optimize_size.
13031 (clrstrsi): Rewrite.
13032 (strsethi, strsetqi): New expanders.
13033 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13034 (cmpstrsi): Emit compare insn before cmpstrsi_1
13035 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13036 (strlensi_1): Likewise.
13037 (cmpstrsi_1): Likewise; do not output compare.
13038 (strlen expander): Do not unroll when optimizing for size.
13039 (*subsi3_carry): Rename to subsi3_carry
13040 (addqi3_cc): New pattern.
13041 * i386.h (processor_costs): Add move_ratio field.
13042 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13043 * i386.c (*_cost): Set move_ratio.
13044 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13045 (x86_expand_strlensi_1): Rewrite the main loop.
13047 2000-01-17 Richard Henderson <rth@cygnus.com>
13049 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13050 * cse.c (find_comparison_args, fold_rtx): Likewise.
13051 * integrate.c (subst_constants): Likewise.
13052 * loop.c (get_condition): Likewise.
13054 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13056 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13058 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13060 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13061 (RESTORE_WARN_FLAGS): Unpack it.
13062 Change semantic type of extension to ttype.
13063 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13064 * c-parse.y, c-parse.c, objc/objc-parse.y,
13065 objc/objc-parse.c: Regenerate.
13067 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13069 * fixinc/fixlib.c: Add copyright notice.
13070 (compile_re): New function.
13071 * fixinc/fixlib.h: Prototype compile_re.
13073 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13074 Use compile_re to compile regular expressions.
13076 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13077 where the pattern matched.
13079 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13081 (ultrix_ansi_compat): Likewise.
13082 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13084 (interactv_add2, interactv_add3): Delete.
13085 (x11_sprintf): Don't use filename glob.
13086 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13089 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13091 * print-rtl.c: PROTO -> PARAMS.
13092 * real.c: Likewise.
13093 * reg-stack.c: Likewise.
13094 * resource.c: Likewise.
13095 * sdbout.h: Likewise.
13096 * simplify-rtx.c: Likewise.
13097 * stor-layout.c: Likewise.
13098 * stupid.c: Likewise.
13099 * xcoffout.c: Likewise.
13100 * xcoffout.h: Likewise.
13102 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13104 * toplev.c: PROTO -> PARAMS.
13105 * toplev.h: Likewise.
13106 * tree.c: Likewise.
13107 * tree.h: Likewise.
13108 * unroll.c: Likewise.
13109 * varasm.c: Likewise.
13110 * varray.c: Likewise.
13111 * varray.h: Likewise.
13113 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13115 * reload.c: PROTO -> PARAMS.
13116 * reload.h: Likewise.
13117 * reload1.c: Likewise.
13118 * reorg.c: Likewise.
13119 * resource.h: Likewise.
13122 * rtlanal.c: Likewise.
13123 * sbitmap.h: Likewise.
13124 * sdbout.c: Likewise.
13125 * stack.h: Likewise.
13126 * stmt.c: Likewise.
13127 * system.h: Likewise.
13129 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13131 * machmode.h: PROTO -> PARAMS.
13132 * mbchar.h: Likewise.
13133 * mips-tdump.c: Likewise.
13134 * mips-tfile.c: Likewise.
13135 * optabs.c: Likewise.
13136 * output.h: Likewise.
13137 * prefix.c: Likewise.
13138 * profile.c: Likewise.
13139 * protoize.c: Likewise.
13140 * real.h: Likewise.
13141 * recog.c: Likewise.
13142 * recog.h: Likewise.
13143 * regclass.c: Likewise.
13144 * regmove.c: Likewise.
13145 * regs.h: Likewise.
13147 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13149 * ggc-common.c: PROTO -> PARAMS.
13150 * ggc-page.c: Likewise.
13151 * ggc-simple.c: Likewise.
13153 * global.c: Likewise.
13154 * graph.c: Likewise.
13155 * gthr-win32.h: Likewise.
13156 * haifa-sched.c: Likewise.
13157 * halfpic.h: Likewise.
13158 * integrate.c: Likewise.
13159 * integrate.h: Likewise.
13160 * jump.c: Likewise.
13162 * local-alloc.c: Likewise.
13163 * loop.c: Likewise.
13164 * loop.h: Likewise.
13166 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13168 * genattr.c: PROTO -> PARAMS.
13169 * genattrtab.c: Likewise.
13170 * gencheck.c: Likewise.
13171 * gencodes.c: Likewise.
13172 * genconfig.c: Likewise.
13173 * genemit.c: Likewise.
13174 * genextract.c: Likewise.
13175 * genflags.c: Likewise.
13176 * gengenrtl.c: Likewise.
13177 * genopinit.c: Likewise.
13178 * genoutput.c: Likewise.
13179 * genpeep.c: Likewise.
13180 * genrecog.c: Likewise.
13182 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13184 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13186 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13188 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13189 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13190 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13191 * configure, config.in: Rebuilt.
13193 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13195 * config/i386/i386.md: Add peephole to merge successive stack
13198 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13200 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13201 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13202 when walking backwards to find all the parameter loads when
13203 the basic block ends in a call.
13205 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13207 * loop.c (this_loop_info): Delete.
13208 (uid_loop): Add in place of uid_loop_num. All uses updated.
13209 (loop_number_exit_count): Delete and replace with entry in loop
13210 structure. All uses updated.
13211 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13212 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13213 (loop_outer_loop): Likewise.
13214 (loop_invalid, loop_number_exit_labels): Likewise.
13215 (loop_used_count_register): Delete and replace with entry in
13216 loop_info structure.
13217 (find_and_verify_loops): Add loops argument.
13218 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13219 loop_end, etc. arguments with loop structure pointer. All callers
13221 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13222 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13223 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13224 (insert_bct): Likewise.
13225 (basic_induction_var): New argument level.
13226 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13227 vtop, and cont. Add used_count_register.
13228 (uid_loop): Delete declaration.
13229 (loop_number_exit_count): Likewise.
13230 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13231 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13232 (loop_outer_loop, loop_used_count_register): Likewise.
13233 (loop_invalid, loop_number_exit_labels): Likewise.
13234 (unroll_loop): Replace loop_start and loop_end arguments
13235 with loop structure pointer.
13236 (loop_precondition_p, loop_iterations): Likewise.
13237 Include basic-block.h.
13238 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13239 with loop structure pointer.
13240 (loop_precondition_p, loop_iterations): Likewise.
13241 * basic-block.h (struct loop): New entries vtop, cont,
13242 cont_dominator, start, end, top, scan_start, exit_labels,
13244 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13246 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13248 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13250 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13252 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13254 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13256 * pdp11-protos.h: New file.
13258 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13261 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13264 * pdp11.md: Likewise.
13266 * 2bsd.h: Likewise.
13268 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13270 * mn10300-protos.h: New file.
13272 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13275 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13278 * mn10300.md: Likewise.
13280 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13282 * mn10200-protos.h: New file.
13284 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13287 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13290 * mn10200.md: Likewise.
13292 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13294 * h8300-protos.h: New file.
13296 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13299 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13302 * h8300.md: Likewise.
13304 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13306 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13307 (asm_emit_uninitialised): Likewise.
13309 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13311 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13312 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13314 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13316 * config/mips/mips.c (override_options): Don't turn on extra
13317 alignment for mips16.
13319 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13321 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13322 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13325 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13327 * builtins.c (PAD_VARARGS_DOWN): Define.
13328 (std_expand_builtin_va_arg): Use the above macro.
13329 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13330 * tm.texi (Register Arguments): Document the above macro.
13332 2000-01-14 Nick Clifton <nickc@cygnus.com>
13334 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13335 that this function has not been used to emit a jump
13338 * jump.c (return_jump_1): Cope with being passed a null rtx.
13340 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13342 * eh-common.h: PROTO -> PARAMS.
13343 * emit-rtl.c: Likewise.
13344 * errors.c: Likewise.
13345 * errors.h: Likewise.
13346 * except.c: Likewise.
13347 * except.h: Likewise.
13348 * explow.c: Likewise.
13349 * expmed.c: Likewise.
13350 * expr.c: Likewise.
13351 * expr.h: Likewise.
13352 * final.c: Likewise.
13353 * fix-header.c: Likewise.
13354 * flow.c: Likewise.
13355 * fold-const.c: Likewise.
13356 * function.c: Likewise.
13357 * function.h: Likewise.
13359 * gcov-io.h: Likewise.
13360 * gcov.c: Likewise.
13361 * gcse.c: Likewise.
13363 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13365 * sh-protos.h: New file.
13367 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13368 Add static prototypes. Fix compile time warnings.
13370 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13374 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13376 * arc-protos.h: New file.
13378 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13381 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13384 * arc.md: Likewise.
13386 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13388 * dsp16xx-protos.h: New file.
13390 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13393 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13396 * dsp16xx.md: Likewise.
13398 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13400 * convex-protos.h: New file.
13402 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13405 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13408 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13410 * elxsi-protos.h: New file.
13412 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13415 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13418 * elxsi.md: Likewise.
13420 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13422 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13423 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13424 match the comment for MIPS16.
13426 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13428 * flow.c (split_edge): Do not call set_block_for_insn if we
13429 do not have a basic_block_for_insn structure.
13431 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13432 and destination functions are 32bit aligned within the trampoline.
13433 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13434 (TRAMPOLINE_ALIGNMENT): Define.
13436 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13437 (set (pc) (label_ref)), verify the change creates a valid insn.
13439 * fr30.c (call_operand): Tighten and rework to match rules for
13440 call RTL expressions.
13441 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13442 * fr30.md (call patterns): Improve constraints.
13444 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13446 * fr30.c (fr30_expand_epilogue): Revert last change.
13447 Use emit_jump_insn for the return insn.
13449 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13450 Stan Cox <scox@cygnus.com>
13452 * predict.c: New file. Preliminary infrastructure work for static
13453 branch prediction and basic block reordering.
13454 * basic-block.h: Add prototype for estimate_probability.
13455 * Makefile.in: Add rules for predict.o.
13457 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13459 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13460 * fixinc/*: Likewise.
13462 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13464 * cccp.c: PROTO -> PARAMS.
13465 * cexp.y: Likewise.
13466 * collect2.c: Likewise.
13467 * combine.c: Likewise.
13468 * convert.h: Likewise.
13470 * dbxout.c: Likewise.
13471 * dbxout.h: Likewise.
13472 * diagnostic.c: Likewise.
13473 * doprint.c: Likewise.
13474 * dwarf2out.c: Likewise.
13475 * dwarf2out.h: Likewise.
13476 * dwarfout.c: Likewise.
13477 * dwarfout.h: Likewise.
13478 * dyn-string.h: Likewise.
13480 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13482 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13483 macro conditionals guarding use.
13485 * dwarf2out.c: Include "tm_p.h".
13487 * function.c (locate_and_pad_parm): Mark parameter with
13489 (expand_function_end): Likewise for variable `context'.
13491 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13493 2000-01-13 Nick Clifton <nickc@cygnus.com>
13495 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13496 register to prevent compile time warnings.
13498 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13500 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13501 to avoid -Wtraditional warning.
13503 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13505 * 1750a-protos.h: New file.
13507 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13510 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13513 * 1750a.md: Likewise.
13515 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13517 * a29k-protos.h: New file.
13519 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13522 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13525 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13527 * clipper-protos.h: New file.
13529 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13532 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13535 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13537 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13539 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13541 * configure.in (--enable-new-gxx-abi): New option.
13542 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13543 * Makefile.in (GXX_ABI_FLAG): New variable.
13544 * configure: Regenerate.
13546 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13548 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13549 * tm.texi (FORCE_STRUCT_BLK): Document.
13550 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13552 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13554 * config/ns32k/ns32k.md: Revert Jan 9 change.
13556 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13557 to a mode-test, if the predicate is address_operand.
13559 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13561 * combine.c (if_then_else_cond): Be careful about what kinds
13562 of RTL expressions are passed to operand_subword.
13564 * flow.c (split_edge): If we have to insert a new jump, make
13565 sure to associate it with a basic block.
13567 * flow.c (commit_one_edge_insertion): A block with one successor
13568 can end in a JUMP_INSN that is not a simplejump.
13570 2000-01-12 Robert Lipe <robertl@sco.com>
13572 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13573 (BUILD_VA_LIST_TYPE): Define.
13574 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13577 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13579 * cccp.c (do_pragma): Add cast to (char *).
13581 2000-01-12 Richard Henderson <rth@cygnus.com>
13582 Fred Fish <fnf@be.com>
13583 Jason Merrill <jason@cygnus.com>
13585 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13586 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13587 * i386/beos-elf.h, i386/beos-pe.h: New files.
13589 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13590 * cross-make (SYSTEM_HEADER_DIR): Define using
13591 CROSS_SYSTEM_HEADER_DIR.
13593 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13594 (process_command): Use it.
13595 (main): Likewise. Kill trailing = from env vars.
13596 (build_search_list): Put it back.
13597 * collect2.c (main): Use LIBRARY_PATH_ENV.
13599 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13600 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13602 * tm.texi (Frame Layout): Document SMALL_STACK.
13603 * c-common.c (c_common_nodes_and_builtins): Check it.
13605 * system.h: Undef alloca after including glibc's <stdlib.h>,
13606 if USE_C_ALLOCA is defined.
13608 * gcc.c (set_input): New fn.
13609 (main): After all input files are compiled, reset the input file
13612 * aclocal.m4 (rindex, index): If already defined, don't attempt
13615 * ginclude/varargs.h: (__va_list__): Define ifndef.
13616 * ginclude/stdarg.h: Likewise.
13618 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13619 instead of unsigned char.
13621 * hash.h (true, false, boolean): Undef before enum.
13623 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13624 proper type of "HOST_WIDE_INT *", rather than their natural type of
13625 "unsigned HOST_WIDE_INT *".
13627 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13629 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13631 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13633 * regclass.c (choose_hard_reg_mode): Likewise.
13635 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13637 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13639 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13641 * c-common.c: PROTO -> PARAMS.
13642 * c-common.h: Likewise.
13643 * c-decl.c: Likewise.
13644 * c-iterate.c: Likewise.
13645 * c-lang.c: Likewise.
13646 * c-lex.c: Likewise.
13647 * c-lex.h: Likewise.
13648 * c-parse.in: Likewise.
13649 * c-pragma.c: Likewise.
13650 * c-pragma.h: Likewise.
13651 * c-tree.h: Likewise.
13652 * c-typeck.c: Likewise.
13653 * objc/objc-act.c: Likewise.
13654 * objc/objc-act.h: Likewise.
13656 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13658 * m88k-protos.h: New file.
13660 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13663 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13665 * m88k.md: Likewise.
13667 * tekXD88.h: Likewise.
13669 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13671 * m68k-protos.h: New file.
13673 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13676 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13678 * mot3300.h: Likewise.
13680 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13682 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13684 (extract_bitlist): Declare bitlen.
13686 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13688 * cccp.c: Accept and ignore -lang-fortran.
13690 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13691 qualifiers don't match at any level of pointerness.
13693 2000-01-12 Robert Lipe <robertl@sco.com>
13695 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13697 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13699 * reload1.c (reload_reg_unavailable): New static variable.
13700 (reload_reg_free_p): Test it.
13701 (reload_reg_free_for_value_p): Test it instead of
13703 (choose_reload_regs_init): Compute it.
13705 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13707 * reorg.c (fill_slots_from_thread): Check modified_in_p
13710 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13712 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13713 these nodes even if INTERNALS is not set.
13715 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13717 * gcse.c (delete_null_pointer_checks_1): Cope when
13718 get_condition cannot determine the condition.
13720 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13722 * toplev.h (set_message_length): Declare.
13724 * diagnostic.c (obstack_chunk_alloc): Define macro.
13725 (obstack_chunk_free): Likewise.
13726 (struct output_buffer): New data structure.
13727 (vmessage): Remove.
13728 (output_maximum_width): New variable.
13729 (doing_line_wrapping, set_message_length, init_output_buffer,
13730 get_output_prefix, output_space_left, emit_output_prefix,
13731 output_newline, output_append, output_puts, dump_output,
13732 vbuild_message_string, build_message_string, build_location_prefix,
13733 voutput_notice, output_printf, line_wrapper_printf,
13734 vline_wrapper_message_with_location): New functions. Implement
13735 automatic line wrapping.
13736 (v_message_with_decl): Make it handle automatic line wrapping.
13737 (v_error_with_file_and_line): Likewise.
13738 (v_warning_with_file_and_line): Likewise.
13739 (announce_function): Likewise.
13740 (default_print_error_function): Likewise.
13742 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13744 * cpplib.h (struct cpp_options): Change lang_asm to char.
13746 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13747 done in cpp_handle_option now.
13748 (initialize_builtins): Take out special case code used only by
13750 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13751 if -traditional. Recognize -lang-fortran and set
13752 lang_fortran, also turn off cplusplus_comments.
13753 (print_help): Document -lang-fortran.
13754 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13755 lang_asm. Ignore all directives other than `# 123 "file"' if
13757 (cpp_get_token): If -traditional, don't recognize directives
13758 unless the # is in column 1.
13759 (parse_string): If lang_fortran or lang_asm, silently
13760 terminate strings ('' or "") at end of line.
13761 Remove unnecessary braces.
13763 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13764 Richard Henderson <rth@cygnus.com>
13766 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13768 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13769 strict_low_part when possible.
13771 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13773 * alias.c: PROTO -> PARAMS.
13774 * basic-block.h: Likewise.
13775 * bitmap.c: Likewise.
13776 * bitmap.h: Likewise.
13777 * builtins.c: Likewise.
13778 * c-aux-info.c: Likewise.
13779 * caller-save.c: Likewise.
13780 * calls.c: Likewise.
13782 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13784 * Makefile.in (toplev.o): Depend on regs.h.
13786 * output.h (tdesc_section): Prototype.
13788 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13790 * sdbout.c: Include "tm_p.h".
13792 * toplev.c: Include "regs.h".
13794 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13796 * unroll.c (unroll_loop): Add EH support.
13798 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13800 * pa-protos.h: New file.
13802 * pa.c: Include recog.h and tm_p.h.
13803 (compute_zdepwi_operands, compute_movstrsi_length,
13804 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13805 find_addr_reg, import_milli): Add static prototypes.
13806 (pa_cpu_string, pa_arch_string): Constify a char*.
13807 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13808 (read_only_operand): Add argument `mode'.
13809 (singlemove_string, output_move_double, output_fp_move_double,
13810 output_block_move, output_and, output_ior, output_ascii,
13811 remove_useless_addtr_insns, milli_names, output_mul_insn,
13812 output_div_insn, output_mod_insn, output_arg_descriptor,
13813 output_cbranch, output_bb, output_bvb, output_dbra, ,
13814 output_millicode_call, output_call, hppa_encode_label,
13815 output_parallel_movb, output_parallel_addb): Constify a char*.
13816 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13817 (output_parallel_addb): Remove extra arg to `constrain_operands'
13819 * pa.h: Move all prototypes to pa-protos.h.
13820 (pa_cpu_string, pa_arch_string): Constify a char*.
13821 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13823 * pa.md: Call `function_label_operand' with mode argument.
13824 Likewise for `read_only_operand'.
13825 Fix nesting of parens in call to `symbolic_operand'.
13827 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13829 * i860-protos.h: New file.
13831 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13834 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13836 * i860.md: Likewise.
13838 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13840 * i386.md (movstrsi expander): Rewrite.
13841 (movstrsi_1 insn): Deleted.
13842 (strmovhi, strmovqi expander): New expanders.
13843 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13844 * i386.c (x86_single_stringop): New global variable.
13845 * i386.h (x86_single_stringop): Declare.
13846 (TARGET_SINGLE_STRINGOP): New macro.
13848 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13850 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13851 integer vararg POSTINCREMENT before the destination of the jump
13852 for the hard fp case.
13853 (function_arg_pass_by_reference): Pass a copy of CUM to
13856 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13857 for CONSTANT_ADDRESS_P above while loop for subreg.
13859 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13861 * flow.c (propagate_block): When a prologue/epilogue insn
13862 is marked dead, unconditionally clear libcall_is_dead and
13863 insn_is_dead, and only dump rtl if warnings aren't being
13866 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13868 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13869 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13870 (FIXED_REGISTERS): Set dirflag as fixed.
13871 (CALL_USED_REGISTERS): Set dirflag as used.
13872 (REG_ALLOC_ORDER): Set dirflag as last one.
13873 (DIRFLAG_REG): New macro.
13874 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13875 (HI_REGISTER_NAMES): Add dirflag.
13876 (DEBUF_PRINT_REG): Handle dirflag.
13877 * i386.md (type attribute): New cld and str types.
13878 (length_opcode attribute): Set cld and str to 1.
13879 (memory attribute): Set str to unknown - it is not clear from the
13881 (pent_np function unit): Prefixed string operations takes 12 cycles
13882 minimally; cld takes 2 cycles.
13883 (ppro_uops attribute): Str is "many" and cld is "few".
13884 (ppro_p0 unit): Handle cld here.
13885 (k6_alux unit): Handle cld and str types.
13886 (k6_load unit): It is ocupied by str opcodes.
13887 (k6_store unit): It is ocupied by str opcodes.
13888 (athlon_decode): Str is vector decoded.
13889 (athlon_ieu): Handle str and cld.
13890 (cld pattern): New.
13891 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13892 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13893 cmpstrsi_nz_1 insn): Do not output cld instruction
13895 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13897 * gcc.texi (G++ and GCC): Add Java and Chill.
13898 (Bug Critera): Don't list languages.
13900 * gcc.texi (Incompatibilities): No longer claim most C compilers
13903 * gcc.texi (G++ and GCC): Update other front-ends list.
13905 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13907 * i386.c (ix86_expand_setcc): Fix typo.
13908 (ix86_expand_movcc): Similarly.
13910 * Band-aid until haifa's bitset implementation is nuked.
13911 * haifa-sched.c (extract_bitlst): New parameter for size of the
13912 bitset in bits. All callers changed. Avoid looking at undefined
13913 bits in the bitset.
13914 (edgeset_bitsize): New variable.
13915 (schedule_region): Initialize edgeset_bitsize.
13917 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13919 * Makefile.in (optabs.o): Depend on real.h
13920 (resource.o): Depend on insn-attr.h
13922 * builtins.c (result_vector): Wrap prototype in macro conditions
13923 governing definition and use.
13925 * c-common.c: Include tm_p.h.
13927 * c-lex.c: Likewise.
13929 * elfos.h: Constify a char*.
13931 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13932 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13933 parameter with ATTRIBUTE_UNUSED.
13935 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13938 * haifa-sched.c (schedule_insns): Mark parameter with
13941 * optabs.c: Include real.h.
13943 * real.h (ereal_atof): Add prototype arguments.
13945 * resource.c: Include insn-attr.h.
13947 * sdbout.c (sdbout_queue_anonymous_type,
13948 sdbout_dequeue_anonymous_types): Wrap in macro
13949 SDB_ALLOW_FORWARD_REFERENCES.
13950 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13953 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13955 * stupid.c: Include tm_p.h.
13957 * tree.c (real_value_from_int_cst): Mark parameter with
13960 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13962 * i960-protos.h: New file.
13964 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13967 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13969 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13971 * combine.c (expand_field_assignment): Do not discard SUBREGs
13972 while computing nonzero_bits.
13974 2000-01-09 Nick Clifton <nickc@cygnus.com>
13976 * config/arm/arm.c: Fix compile time warnings about signed vs
13977 unsigned constants.
13978 * config/arm/arm.h: Fix compile time warnings about signed vs
13979 unsigned constants.
13981 2000-01-09 Philip Blundell <philb@gnu.org>
13983 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13984 than `ldm' with only one register.
13985 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13988 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13991 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13993 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13996 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13998 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13999 assignment used as truth value.
14001 * function.c (assign_temp): Mark parameter `dont_promote' with
14002 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14003 PROMOTE_FOR_CALL_ONLY.
14005 * genrecog.c (write_subroutine): Mark variable `operands' with
14008 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14011 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14012 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14014 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14017 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14019 * config/c4x.h: Tidy up comments.
14020 * config/c4x.c: Likewise.
14022 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14024 * fold-const.c (lshift_double, rshift_double): Handle
14025 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14027 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14029 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14030 in prepare_function_start().
14032 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14034 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14035 longer allocate extra stack for function calls.
14037 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14039 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14041 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14043 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14045 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14047 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14048 * aix43.h: Revert Aug 2 change.
14049 (HAS_INIT_SECTION): Define, not visible yet.
14050 (LD_INIT_SWITCH): Define, not visible yet.
14051 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14053 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14055 * collect2.c (main): Expand ld2 size further.
14056 (export_object_lst): Cast assignment to avoid warning.
14057 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14058 (scan_prog_file, COFF): Do not collect initialization or
14059 finalization functions generated for entire shared object if
14060 init/fini support present.
14062 2000-01-07 Nick Clifton <nickc@cygnus.com>
14064 * config/elfos.h: Tidy up formatting of marcos. Make sure
14065 that .section directives are always prefixed by a tab.
14067 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14070 2000-01-07 Matt Austern <austern@sgi.com>
14072 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14075 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14077 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14079 (crtbegin.o, s-crtS): Likewise.
14081 2000-01-06 Richard Henderson <rth@cygnus.com>
14083 * alpha.md (adddi_2+1): Limit offset such that it will be
14084 loadable with a single ldah+lda pair.
14085 (adddi_2+2): Explicitly fail split if we can't make it work.
14087 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14089 * protoize.c: Conditionally include unistd.h.
14090 (IS_SAME_PATH_CHAR): New macro.
14091 (IS_SAME_PATH): New macro.
14092 (CPLUS_FILE_SUFFIX): New macro.
14093 (cplus_suffix): New static variable.
14094 (is_abspath): New static function.
14095 (in_system_include_dir): Handle DOS style pathnames.
14096 (file_could_be_converted): Likewise.
14097 (file_normally_convertible): Likewise.
14098 (directory_specified_p): Likewise.
14099 (file_excluded_p): Likewise.
14100 (abspath): Likewise.
14101 (shortpath): Likewise.
14102 (referenced_file_is_newer): Likewise.
14103 (save_def_or_dec): Likewise.
14104 (do_processing): Likewise.
14106 (edit_file): Likewise. Use rename instead of link.
14107 (rename_c_file): Likewise. Don't rename syscalls file.
14108 (munge_compile_params): Define null device for DOS based systems.
14109 (process_aux_info_file): Use binary mode if appliable.
14110 (edit_file): Likewise.
14111 * invoke.texi (Running Protoize): Document C++ suffixes used.
14113 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14114 IS_DIR_SEPARATOR macros.
14115 * collect2.c: Likewise.
14116 * cppinit.c: Likewise.
14117 * dwarf2out.c: Likewise.
14119 * gcov.c: Likewise.
14120 * prefix.c: Likewise.
14122 * toplev.c: Likewise.
14123 * system.h: And move to here.
14125 * prefix.c (update_path): Fix typo in variable name.
14127 2000-01-06 Richard Henderson <rth@cygnus.com>
14129 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14130 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14131 (count_reg_sets_1, count_reg_references): Likewise.
14132 (flow_loops_level_compute): Start counting actual loop depth at 1.
14133 (flow_loops_find): Likewise.
14134 * local-alloc.c (update_equiv_regs): Likewise.
14135 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14137 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14139 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14140 FIRST_PSEUDO_REGISTER
14141 * dwarf2out.c: Don't include frame.h
14142 * dwarfout.c: Likewise
14143 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14146 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14148 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14151 * i386.c (movsf splitter): Fix typo in my last checkin.
14153 2000-01-05 Nick Clifton <nickc@cygnus.com>
14155 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14156 own definition of this macro.
14157 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14158 flag_data_sections or UNIQUE_SECTION_P are true.
14160 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14161 unitialised data decls.
14163 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14164 being called for uninitialised data.
14166 * config/i386/interix.c (i386_pe_unique_section): Cope with
14167 being called for uninitialised data.
14169 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14170 for uninitialised data.
14172 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14173 for uninitialised data.
14175 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14176 for uninitialised data.
14178 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14179 (UNIQUE_SECTION_P): Always generate a unique section if
14180 flag_data_sections is true.
14181 (UNIQUE_SECTION): Also generate unique sections for
14182 uninitialised data.
14183 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14184 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14187 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14189 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14192 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14194 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14195 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14196 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14197 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14198 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14200 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14202 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14204 * c-decl.c (finish_enum): Simplify code to determine minimum and
14205 maximum values of the enum, and calculate the type. Remove check
14206 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14207 the DECL_INITIAL of each enumeration constant with a copy converted
14208 to the enumeration type. When updating variant types, don't bother
14209 updating the type itself.
14211 * c-typeck.c (build_binary_op): Simplify conditional expressions
14212 when weeding out spurious signed-unsigned warnings. Add new
14213 spurious warning category: if the unsigned quantity is an enum
14214 and its maximum value fits in signed_type(result_type). Update
14216 (build_conditional_expr): Warn here if one alternative is signed
14217 and the other is unsigned.
14219 2000-01-05 Nick Clifton <nickc@cygnus.com>
14221 * config/fr30/fr30.h: Remove extraneous comments.
14223 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14225 * reload1.c (choose_reload_regs): When disabling a reload, also
14226 set reload_spill_index to -1.
14228 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14230 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14232 (m68*-*-rtemself*): New target.
14233 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14234 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14235 (sparc*-*-rtemself*): New target.
14236 (sparc*-*-rtems*): Now elf not a.out.
14237 * config/i386/rtems.h: Include config/rtems.h.
14238 * config/i386/rtemself.h: Include config/rtems.h.
14239 * config/i960/rtems.h: Include config/rtems.h.
14240 * config/m68k/rtems.h: Include config/rtems.h.
14241 * config/m68k/rtemself.h: Include config/rtems.h.
14242 * config/mips/rtems64.h: Include config/rtems.h.
14243 * config/pa/rtems.h: Include config/rtems.h.
14244 * config/rs6000/rtems.h: Include config/rtems.h.
14245 * config/sh/rtems.h: Include config/rtems.h.
14246 * config/sh/rtemself.h: Include config/rtems.h.
14247 * config/sparc/rtems.h: Include config/rtems.h.
14248 * config/sparc/rtemself.h: Include config/rtems.h
14250 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14252 * final.c (shorten_branches): Correctly compute length of
14253 asms without operands.
14255 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14257 * configure.in: Add pj target.
14258 * configure: Regenerate.
14259 * config/pj: New directory.
14260 * config/pj/lib1funcs.S: New file.
14261 * config/pj/linux.h: New file.
14262 * config/pj/pj.c: New file.
14263 * config/pj/pj.md: New file.
14264 * config/pj/pjl.h: New file.
14265 * config/pj/t-pj: New file.
14266 * config/pj/xm-pj.h: New file
14268 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14270 * toplev.c (rest_of_compilation): Run shorten-branches before
14273 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14275 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14276 macros so that they're consistent with their names.
14277 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14278 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14280 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14282 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14283 modified inadvertently.
14285 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14287 * configure.in (v850*-*-rtems*): New target.
14288 * configure: Regenerate.
14289 * config/v850/rtems.h: New file.
14291 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14293 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14294 (__gthread_key_create): Likewise.
14295 (__gthread_key_dtor): Likewise.
14296 (__gthread_once): Fix logic.
14297 (__gthread_key_delete): Cast away constness.
14299 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14300 * invoke.texi: Document.
14301 * i386/mingw32.h (CPP_SPEC): Use.
14302 (LIBGCC_SPEC): Likewise.
14303 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14305 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14307 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14308 (HANDLE_PRAGMA_PACK): Undefine.
14309 (SLOW_UNALIGNED_ACCESS): Define.
14311 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14313 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14314 to default definition.
14315 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14316 (store_fixed_bit_field): Call macro with word_mode and alignment.
14317 (extract_bit_field): Call macro with relevant mode and alignment.
14318 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14319 to default definition.
14320 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14322 (move_by_pieces_ninsns): Likewise.
14323 (clear_by_pieces): Likewise.
14324 (emit_push_insn): Likewise.
14325 (store_field): Call macro with relevant mode and alignment.
14326 (expand_expr): Likewise.
14327 (expand_expr_unaligned): Likewise.
14329 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14330 (SLOW_UNALIGNED_ACCESS): Define.
14331 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14332 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14333 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14334 (toc_section): Likewise and .toc pseudo-op.
14335 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14337 (TEXT_SECTION_ASM_OP): Likewise.
14338 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14341 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14342 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14343 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14344 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14345 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14347 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14349 * regclass.c: Revert my Jan 4 change to loop cost computation.
14351 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14353 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14356 2000-01-04 Stan Cox <scox@cygnus.com>
14358 * haifa-sched.c (build_control_flow): Change unreachable simple
14359 loop test to check if current block has only one predecessor.
14360 (find_rgns): Initialize degree. Use dest as degree index, not src.
14362 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14364 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14366 * calls.c (expand_call): Likewise for
14367 `old_stack_arg_under_construction'.
14369 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14371 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14374 * gcc.c (execute): Likewise for `ut' and `st'.
14376 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14378 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14380 * jump.c (jump_optimize_1): Likewise for `temp2'.
14382 * local-alloc.c (block_alloc): Likewise for `r1'.
14384 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14386 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14387 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14389 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14392 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14393 and `goal_earlyclobber'.
14395 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14397 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14399 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14401 * unroll.c (copy_loop_body): Likewise for `copy'.
14403 * varasm.c (output_constructor): Likewise for `byte'.
14405 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14407 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14408 all FP constants for constant->reg moves.
14409 (ix86_split_to_parts): Try to convert memory address into immediate
14410 when available in the constant pool.
14411 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14413 (LEGITIMATE_CONSTANT_P): Return 1.
14414 * i386.md (pushsf): New splitter to convert constant pool memory
14415 reference to immediate.
14416 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14419 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14421 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14422 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14423 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14424 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14425 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14427 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14429 * ginclude/stdbool.h: Support compilation as C++.
14431 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14433 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14435 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14437 * regclass.c (regclass): Properly compute loop_cost. Adjust
14440 * regclass.c: Fix minor whitespace problems.
14442 2000-01-03 Anthony Green <green@cygnus.com>
14444 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14445 Restore the pic register if required.
14447 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14449 * c-common.c (format_char_info): Update comment.
14450 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14451 was recognized. Emit warning for formats new in ISO C99 only
14452 if flag_isoc9x is not set.
14454 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14456 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14458 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14460 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14461 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14462 (make_compound_operation): Choose cheaper alternative between
14463 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14465 * regclass.c (op_costs): Remove global variable.
14466 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14467 (record_operand_costs): Break out from ...
14468 (scan_one_insn): ... here.
14469 (dump_regclass): Make dumps nicer.
14470 (regclass): Dump preferrences choosed and changes done during passes.
14472 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14474 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14476 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14478 * config/sparc/sparc.c (gen_df_reg): New function.
14479 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14480 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14481 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14482 movtf_cc_reg_sp64+1): Use it.
14484 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14486 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14487 copied LABEL_DECLs.
14489 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14491 * config/i386/i386.c (ix86_expand_unary_operator): Function
14492 definition made void.
14493 (ix86_expand_binary_operator): Update outdated preceding comment.
14494 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14497 * config/i386/i386.c (override_options): Fix option-name typo.
14499 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14501 * system.h (CEIL): Define.
14502 * builtins.c (CEIL): Remove.
14503 * expmed.c (CEIL): Likewise.
14504 * expr.c (CEIL): Likewise.
14505 * stor-layout.c (CEIL): Likewise.
14507 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14509 * expr.c (store_constructor_field): Fix typo introduced with last
14512 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14514 * tree.h (BINFO_N_BASETYPES): New macro.
14516 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14518 * expmed.c (emit_store_flag): Prevent losing a pending stack
14519 adjust the same way we prevent losing queued increments.
14521 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14523 * function.c (update_temp_slot_address): Handle case where sum of
14524 temporary address plus offset in register is a valid address.
14526 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14528 * genrecog.c (change_state) Corrected typo.
14530 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14532 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14533 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14534 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14536 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14538 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14539 case, expand GT comparisons correctly. Fix a comment before this
14542 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14544 * dwarfout.c: Include "frame.h"
14545 * dwarf2out.c: Likewise.
14546 * Makefile.in (dwarfout.o): Depend on frame.h
14547 (dwarf2out.o): Likewise.
14549 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14551 Restore i386 binary compatibility in Dwarf EH info.
14552 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14553 value of FIRST_PSEUDO_REGISTER.
14554 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14555 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14556 * dwarfout.c (output_reg_number): Ditto.
14557 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14558 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14560 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14562 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14563 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14564 (<hack>_RE_CT): not needed
14565 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14566 rewritten to scan the file text once only
14567 "template<..." test added
14568 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14569 (is_cxx_header): declaration added
14570 * fixinc/fixtests.c(is_cxx_header): removed
14571 (apply_fix_p_t): removed
14572 (double_slash_test): is_cxx_header is only called once now
14573 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14574 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14575 within the templates.
14576 The borken spelling of "broken" was fixed.
14577 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14578 The default level depends on FIXINC_DEBUG.
14580 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14582 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14583 Otherwise provide a declaration for atexit.
14584 (init_dummy): Make sure dummy call to atexit is nevertheless
14585 called with correct number of args.
14587 * frame.c: Update comments referring to other files.
14589 * libgcc2.c: Likewise.
14591 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14593 * cse.c (free_element, get_element): Remove unused prototypes.
14595 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14598 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14601 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14603 * configure.in,configure: case arm for mn10200-*-* now sets
14604 float_format=i32 so that float.h will correctly claim "double"
14605 to be 32 bits. Ran autoconf to generate configure from .in file.
14607 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14609 * pa.md (conditional zero): If op1 is a register, force it into
14610 the same register as op0.
14612 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14614 * tree.h (BINFO_BASETYPES): Improve documentation.
14616 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14618 * configure.in (--enable-checking): Use a more portable `for'
14621 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14623 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14624 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14626 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14629 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14630 Delete descriptions.
14632 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14633 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14634 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14635 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14636 xm-svr4.h: Remove all instances of sys_siglist handling.
14638 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14640 * config/sparc/sparc.md (cmp_zero_qi,
14641 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14642 cmp_zero_extendqidi2_andcc_set): New patterns.
14644 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14646 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14647 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14648 (fpgnulib.c, xfgnulib.c): Add rules.
14649 * m68k/t-mot3300-gas: Likewise.
14651 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14653 * configure.in: Avoid [[ by using test and changequote. Add
14654 changequote required by 1999-12-14 change.
14655 * configure: Rebuild.
14657 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14659 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14661 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14663 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14664 * flow.c (find_use_as_address): Likewise.
14665 * function.c (fixup_var_refs_1): Likewise.
14666 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14667 * jump.c (invert_exp, redirect_exp): Likewise.
14668 * loop.c (replace_call_address): Likewise.
14669 (count_nonfixed_reads): Likewise.
14670 * rtlanal.c (modified_between_p): Likewise.
14671 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14672 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14673 * unroll.c (remap_split_bivs): Likewise.
14675 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14677 * diagnostic.c (v_message_with_decl): Use .* format specifier
14678 instead of building the format specifier width manually.
14680 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14681 determining whether to provide a prototype. Remove the
14682 sys_siglist clause in the conditional.
14684 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14686 * fold-const.c (operand_equal_p): Use memcmp to compare string
14688 Suggested by D. J. Bernstein
14690 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14692 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14693 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14695 * config/mips/mips.h (TARGET_64BIT): Likewise.
14696 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14697 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14698 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14699 dsps. Give routines proper names if SI/DI modes are not used.
14700 * longlong.h: Use DWunion instead of DIunion.
14702 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14704 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14705 GC_CHECKING, GC_ALWAYS_COLLECT.
14706 * configure.in: Allow --enable-checking with an argument
14707 listing check modes to enable.
14708 * config.in, configure: Rebuilt.
14709 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14710 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14711 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14712 ENABLE_GC_ALWAYS_COLLECT.
14713 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14715 * tree.h, tree.c: Change ENABLE_CHECKING to
14716 ENABLE_TREE_CHECKING throughout.
14718 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14720 * fold-const.c (fold_truthop): Properly check for FP RHS.
14722 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14724 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14725 * toplev.c (note_deferral_of_defined_inline_function): New
14726 function, split out from ...
14727 (rest_of_compilation): ... here. Use it.
14729 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14731 * expr.c (store_constructor): Don't call clear_storage if size is
14734 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14736 * Makefile.in (toplev.o): Depend on loop.h.
14738 * dwarfout.c: Include tm_p.h.
14740 * emit-rtl.c (restore_emit_status): Mark parameter with
14743 * final.c (final_scan_insn): Likewise.
14745 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14746 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14747 flow_depth_first_order_compute, flow_loop_pre_header_find,
14748 flow_loop_tree_node_add, flow_loops_tree_build,
14749 flow_loop_level_compute, flow_loops_level_compute,
14750 flow_loop_outside_edge_p): Add prototypes.
14751 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14753 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14754 Mark with ATTRIBUTE_NORETURN.
14756 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14758 * local-alloc.c (no_conflict_p): Likewise.
14760 * loop.c (insert_bct): Hide definitions of variables with hidden
14762 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14764 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14765 with ATTRIBUTE_UNUSED.
14766 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14767 (reg_scan): Likewise.
14769 * reload.c (find_reloads): Remove unused variables `changed'.
14771 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14773 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14774 Remove unused variable `insn'.
14776 * toplev.c: Include loop.h.
14777 (report_file_and_line): Remove unnecessary prototype.
14779 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14781 * unroll.c (biv_total_increment): Likewise.
14783 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14785 * reload1.c (emit_input_reload_insns): Restore old behaviour
14786 wrt. 'special' reloads.
14788 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14790 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14791 hash.h. (cse.c): Don't depend on hashtab.h.
14793 * cse.c: Don't include hashtab.h.
14794 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14796 * ggc-simple.c: Don't include hash.h.
14798 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14800 * dwarf2out.c (add_abstract_origin_attribute): Call
14801 gen_abstract_function on our function context.
14803 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14805 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14807 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14809 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14812 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14814 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14815 constraints to "a!r".
14817 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14819 * Makefile.in (calls.o): Depend on function.h.
14820 (alias.o): Likewise.
14822 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14824 * reload1.c (emit_reload_insns): Break out code and variables into...
14825 (input_reload_insns, other_input_address_reload_insns,
14826 other_input_reload_insns, input_address_reload_insns,
14827 inpaddr_address_reload_insns, output_reload_insns,
14828 output_address_reload_insns, outaddr_address_reload_insns,
14829 operand_reload_insns, other_operand_reload_insns,
14830 other_output_reload_insns): ... new static variables, and...
14831 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14832 do_output_reload): ... new functions.
14834 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14836 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14838 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14840 * md.texi: Add c4x constraints documentation.
14842 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14844 * config/i386/dgux.c (struct option): Rename to
14845 lang_independent_option.
14846 (struct m_options): Add description field.
14847 (output_options): Rename option type, add sep declaration, output
14848 ix86_cpu_string and ix86_arch_string only if set.
14849 (output_file_start): Rename option type.
14851 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14853 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14855 (libgcc2.a): Similarly.
14857 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14859 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14860 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14861 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14863 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14865 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14866 Remove redundant initialization of "frexpon" and "expon".
14868 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14870 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14872 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14873 (store_constructor_field, expand_expr): Pass new arg.
14875 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14877 * Makefile.in (explow.o): Depend on function.h.
14879 * stor-layout.c (set_sizetype): Fix typo.
14881 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14883 * function.c (cfun): Renamed from current_function. All users
14885 * function.h (cfun): Rename declaration as well.
14887 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14888 to be of type regset_head, not regset. All users changed by adding
14890 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14892 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14894 * config/c4x/rtems.h: New file.
14896 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14898 * reload1.c (spill_failure): Take class of failed reload as argument
14899 and print it. Caller changed.
14901 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14903 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14904 (TARGET_SWITCHES): Allow subtargets to default switches.
14905 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14907 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14909 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14912 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14914 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14915 * cppinit.c (cpp_handle_option): Likewise.
14917 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14918 determine when to define.
14920 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14922 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14923 cmove with mismatched test and data modes.
14925 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14927 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14930 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14932 * alias.c: Minor reformatting.
14933 * flow.c: Likewise.
14934 * regs.h: Likewise.
14935 * stor-layout.c: Likewise.
14936 * fold-const.c: Likewise.
14937 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14938 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14940 (size_int_wide): Cache nodes even if garbage collecting.
14941 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14942 of SAVE_EXPR has no side effects.
14943 * cse.c: Move a comment.
14944 * tree.c: Minor reformatting.
14945 (int_size_in_bytes): Return -1 if constant overflows.
14947 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14949 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14951 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14953 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14954 after any change to c-parse.in, even if objc-parse.y didn't
14957 1999-12-18 David S. Miller <davem@redhat.com>
14959 * toplev.c (rest_of_compilation): Restore BLOCK tree
14960 reconstruction and branch shortening changes lost in
14961 December 18th change.
14963 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14965 * config/arm/linux-elf.h: Change all instances of
14966 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14967 * config/arm/uclinux-elf.h: Likewise.
14969 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14971 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14972 v_message_with_decl, file_and_line_for_asm,
14973 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14974 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14975 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14976 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14977 pfatal_with_name, fatal_io_error, need_error_newline,
14978 last_error_function, last_error_tick, announce_function,
14979 default_print_error_function, print_error_function,
14980 report_error_function, fnotice, error_with_file_and_line,
14981 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14982 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14983 warning_with_decl, warning_for_asm, warning, pedwarn,
14984 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14986 (compile_file): Use fnotice instead of notice. Adjust call.
14988 * diagnostic.c: New file.
14990 * Makefile.in (OBJS): Include diagnostic.o
14991 (diagnostic.o): Define dependence.
14993 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14995 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14998 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15000 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
15002 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15004 * fixtests.c (is_cxx_header): New fn, split out of
15006 (else_endif_label): Allow "#endif // comment" in C++ headers,
15007 as determined by is_cxx_header.
15008 * fixfixes.c (else_endif_label_fix): Update comment.
15009 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
15011 * genfixes: Correct double thinko in commandline parsing.
15012 * hackshell.tpl: Generate correct sh syntax for bypass
15015 * inclhack.def (all): Whenever an inserted preprocessor
15016 conditional is split over multiple lines, use double
15017 backslashes in this file so the fixed header will be readable.
15019 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
15020 and add bypass entry for correct version of this header.
15021 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
15022 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
15024 (hpux8_bogus_inlines): New fix, split from...
15025 (ultrix_atof_param) ... here.
15026 (math_expression): Add bypass entry keyed to glibc comment
15027 indicating the problem has been dealt with; disable
15028 unnecessary sed operations; update commentary.
15029 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
15030 add select and bypass entries, simplify shell operation.
15031 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
15033 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
15034 ultrix_atof_param): Add select entry.
15035 (stdio_va_list, sunos_mather_decl): Add bypass entry.
15036 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
15037 comments with the fixes they describe.
15039 * c-parse.in (string action): Do not warn about ANSI string
15040 concatenation in system headers. Affects C parser only.
15041 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
15043 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15045 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
15046 compiling libgcc2 the macro depends always on arch cpp defines.
15048 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
15050 * loop.c (insert_loop_mem): Don't record MEMs from inside
15053 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
15055 * regclass.c (regclass): Do not use flowgraph when not optimizing.
15057 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
15058 notes too, create one when replacement failed, attempt to simplify
15060 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
15061 or REG_EQUIV notes.
15063 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15065 * crtstuff.c (__dso_handle): Declare.
15066 (__cxa_finalize): Likewise.
15067 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
15070 * invoke.texi: Document -fuse-cxa-atexit.
15072 * tree.h (ptr_type_node): Document.
15073 (const_ptr_type_node): Likewise.
15075 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15077 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
15078 (optimize_reg_copy_2): Likewise.
15079 (optimize_reg_copy_3): Likewise.
15080 (fixup_match_2): Likewise.
15081 (regmove_optimize): Likewise.
15082 (fixup_match_1): Liekwise.
15084 * i386.md (HI to SImode promoting splitters): Rewrite.
15085 (pushsf mem peep2): New.
15086 (testhi to andhi peep2): Remove.
15087 * i386.h (x86_promote_QImode): New.
15088 (TARGET_PROMOTE_QImode): New.
15089 (PREDICATE_CODES): Add promotable_binary_operator.
15090 * i386.c (x86_promote_QImode0: New.
15091 (promotable_binary_operator): New.
15092 * i386-protos.h (promotable_binary_operator): New.
15094 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
15096 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
15098 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15100 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
15101 * function.c (insert_block_after_note): Remove.
15102 (retrofit_block): Likewise.
15103 (identify_blocks): Fix indentation.
15104 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
15105 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
15106 * function.h (insert_block_after_note): Remove prototype.
15107 (retrofit_block): Likewise.
15108 * integrate.c (expand_inline_function): Don't call
15109 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
15110 just expand_start_bindings. Use the block_map to remap old
15111 NOTE_BLOCKs to new ones.
15112 (integrate_decl_tree): Keep track of remapped blocks.
15113 * integrate.h (struct inline_remap): Add block_map.
15114 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
15115 NOTE_BLOCK on the notes.
15116 (expand_start_bindings): Rename to ...
15117 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
15118 (expand_end_bindings): Set NOTE_BLOCK.
15119 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
15120 reconstruct the BLOCK tree.
15121 * tree.h (expand_start_bindings): Macroize. Call ...
15122 (expand_start_bindings_and_block): New function.
15124 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15126 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
15127 to match the format.
15129 1999-12-16 David S. Miller <davem@redhat.com>
15131 * expr.c (emit_move_insn_1): Only emit clobbers if one of
15132 the outputs is a SUBREG.
15133 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
15136 * config/sparc/sparc.c (epilogue_renumber): Add default case
15139 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15141 * toplev.c (rest_of_compilation): Run branch shortening after
15144 * regclass.c (loop_depth): Remove
15145 (scan_one_insn): Do not handle LOOP_NOTE insns.
15146 (regclass): Go through basic blocks and set loop_cost
15148 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
15150 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
15152 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15154 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
15155 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
15156 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
15158 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
15160 * loop.c (insert_loop_mem): Ignore memory clobbers.
15162 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
15165 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
15167 * profile.c: Remove redundant #include "output.h".
15169 * h8300.md (HImode preinc peephole): Fix typo.
15171 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15173 * function.c (retrofit_block): Abort if we don't find a suitable insn.
15174 (insert_block_after_note): Abort if we don't have a previous block.
15175 Remove FN parameter.
15176 * function.h: Adjust.
15178 1999-12-15 Mark Mitchell <mark@codesourcery.com>
15180 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
15181 argument more than once.
15183 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15185 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
15187 1999-12-15 Jakub Jelinek <jakub@redhat.com>
15189 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
15191 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15193 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
15194 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
15195 update stack_alignment_needed.
15196 (prepare_function_start): Initialize stack_alignment_needed
15197 * function.h (struct function): Add field stack_alignment_needed.
15199 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15201 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
15202 Handle live_throughout / dead_or_set instead of live_before /
15204 (save_call_clobbered_regs): Get register livenessinformation from
15205 chain->live_throughout.
15206 (add_stored_regs): New function.
15207 (insert_restore, insert_save): Add restored / saved registers to
15209 * global.c (reg_dies): New parameter chain.
15210 (reg_becomes_live): Third parameter is regs_set now.
15211 Changed all callers.
15212 (reg_dies): New parameter chain. Changed all callers.
15213 (build_insn_chain): Set live_throughout instead of
15214 live_before / live_after.
15215 * reload.h (struct insn_chain): Replace members live_before /
15216 live_after with live_throughout / dead_or_set.
15217 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
15218 instead of live_before / live_after.
15219 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
15220 (order_regs_for_reload, find_reg, finish_spills): Likewise.
15221 (choose_reload_regs_init): Likewise.
15222 * stupid.c (current_chain, find_clobbered_regs): Delete.
15223 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
15224 instead of chain->live_before / chain->live_after.
15225 (mark_hard_ref): New function.
15226 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
15228 1999-12-15 David S. Miller <davem@redhat.com>
15230 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
15232 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15234 * flow.c (calculate_loop_depth): Make global, remove prototype,
15235 rewrite to use new loop infrastructure.
15236 (find_basic_block): Remove calculate_loop_depth call.
15237 * toplev.c (rest_of_compilation): Call find_basic_block.
15238 * output.h (calculate_loop_depth): Declare.
15240 * flow.c (dump_flow_info): Dump loop_depth.
15241 (flow_loops_nodes_find): Increase loop_depth for basic block in the
15243 (flow_loops_find): Initialize the loop_depth for each basic block.
15245 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15247 * tree.c (decl_function_context): Handle virtual functions.
15249 * tlink.c (scan_linker_output): Don't look in demangled name when
15250 looking for linker output keywords.
15252 * dwarfout.c (output_type): We can defer namespace-scope classes.
15254 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
15256 * regclass.c (record_reg_classes): Update comment for merging
15257 register class preferences in reg->reg copies. Tighten conditions
15258 for merging register class preferences in reg->reg copies.
15260 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
15262 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
15264 1999-12-14 Geoff Keating <geoffk@cygnus.com>
15266 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
15267 (INIT_SECTION_ASM_OP): Delete.
15268 (FINI_SECTION_ASM_OP): Delete.
15269 (STARTFILE_SPEC): Define to hold just crtbegin.o.
15271 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
15273 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
15274 the abstract origin wasn't emitted.
15276 * dwarf2out.c (class_scope_p): New fn.
15277 (gen_subprogram_die): Use it.
15278 (gen_variable_die): Use it. Tweak logic.
15279 (gen_struct_or_union_type_die): Check context_die to determine
15280 if we're function-local.
15281 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
15283 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15285 * loop.c (check_dbra_loop): Can't reverse a biv that has
15286 maybe_multiple set.
15288 1999-12-14 Nick Clifton <nickc@cygnus.com>
15290 * config/arm/arm.c: Add support for -mcpu=arm720 command line
15293 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15295 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
15296 for givs made from biv increments.
15298 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
15300 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
15301 * alpha.c (override_options): Recognize -mcpu=ev67.
15302 * alpha.h (CPP_CPU_EV67_SPEC): New.
15303 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
15304 (EXTRA_SPECS): Update.
15306 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
15308 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
15309 appropriate for -lang-c89 and -std=*.
15310 * cppinit.c (cpp_handle_option): Likewise.
15311 (new_pending_define): New, split out from cpp_handle_option.
15312 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
15313 or enable trigraphs for -ansi/-std=*.
15315 * ginclude/stdarg.h (__va_copy): New.
15316 (va_copy): Don't define for C89.
15318 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
15320 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
15321 for long long multiply-accumulate.
15323 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15325 * regclass.c (scan_one_insn): Set loop_cost to 1 when
15326 optimizing for size.
15328 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15330 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
15331 if something changed. Back out that part of yesterday's changes.
15333 * loop.c (loop_max_reg): New static variable.
15334 (loop_optimize): Initialize it. Eliminate one unnecessary call to
15336 (scan_loop): Call reg_scan_update whenever we may have added new
15337 registers, and update loop_max_reg.
15339 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15341 * regclass.c (record_reg_classes): Do not do the copying preferrencing
15342 when source does not die.
15344 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
15346 1999-12-14 Jakub Jelinek <jakub@redhat.com>
15348 * config/sparc/linux64.h (TARGET_LIVE_G0,
15349 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
15351 * config/sparc/linux.h (TARGET_LIVE_G0,
15352 TARGET_BROKEN_SAVERESTORE): Likewise.
15353 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
15354 TARGET_BROKEN_SAVERESTORE): Likewise.
15356 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
15357 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
15359 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
15360 as sparc64 block profiling register.
15361 * config/sparc/sparc.c (sparc_override_options): Allow block
15362 profiling with -m32.
15363 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
15364 profiling register.
15365 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
15366 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
15367 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
15369 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
15371 * config/sparc/sparc.h: Likewise.
15372 * config/sparc/xm-sysv4-64.h: Likewise.
15373 * config/float-sparc.h: Likewise.
15374 * glimits.h: Likewise.
15375 * longlong.h: Likewise.
15377 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
15378 (ASM_IDENTIFY_GCC): Remove.
15380 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15382 * combine.c (combine_simplify_rtx): Don't make shared rtl.
15383 (simplify_logical): Likewise.
15385 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15387 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
15388 * cppfiles.c (INO_T_EQ): Likewise.
15390 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15392 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
15393 * i386/mingw32.h (LIB_SPEC): Likewise.
15394 (STARTFILE_SPEC): Likewise.
15395 * i386/uwin.h (LIB_SPEC): Likewise.
15396 (STARTFILE_SPEC): Likewise.
15398 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
15399 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
15401 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
15403 * combine.c (combine_simplify_rtx): Fix order of checks for
15404 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
15406 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
15408 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
15409 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
15411 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15413 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
15415 * regclass.c (inv_reg_alloc_order): New array.
15416 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
15418 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
15419 counted_for_groups, counted_for_nongroups. Add fields rld and
15421 * reload.c (push_secondary_reload): Don't set nongroup field of
15423 (push_reload): Likewise.
15424 (find_reloads): Delete code to compute nongroup fields.
15425 * reload1.c (reload_insn_firstobj): New static variable.
15426 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
15428 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
15429 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
15430 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
15432 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
15434 (struct hard_reg_n_uses): Deleted.
15435 (potential_reload_regs): Deleted.
15436 (init_reload): Initialize spilled_pseudos and pseudos_counted.
15437 (reload): Don't try to allocate reload registers if we already know
15438 we have to make another pass. Call select_reload_regs. Free memory
15439 starting with reload_firstobj when starting another pass.
15440 Don't allocate spilled_pseudos.
15441 (calculate_needs_all_insns): Call copy_reloads for an insn that
15442 needs reloads; don't call calculate_needs.
15443 (spill_cost): New static array.
15444 (used_spill_regs_local): New static variable.
15445 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
15446 to compute potential_reload_regs.
15447 (find_reload_regs): Completely rewritten to use find_reg.
15448 (allocate_reload_reg): Don't test counted_for_groups or
15449 counted_for_nongroups. Lose NOERROR arg and code to give an error;
15450 all cllers changed.
15451 (choose_reload_regs): Add fallback code that uses the existing
15452 register allocation from find_reload_regs.
15454 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
15456 * flow.c (create_edge_list): Cast xmalloc return value.
15458 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
15460 * doprnt.c: Remove incorrect comment closure.
15462 * cse.c: Fix a few minor whitespace goofs.
15464 1999-12-13 Don Bowman <don@pixstream.com>
15466 * mips/vxworks.h: Fix problem with comment termination.
15467 (EXTRA_SECTIONS): Add in_sbss.
15468 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
15470 1999-12-12 David S. Miller <davem@redhat.com>
15472 * cse.c (struct cse_reg_info): Add hash_next member,
15473 reorder rest of struct for better packing on 64-bit
15475 (cse_reg_info_tree): Kill.
15476 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
15477 REGHASH_FN): New custom pow2 hash mechanism.
15479 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
15480 use a pow2 hash table.
15481 (get_cse_reg_info): Rework to use new REGHASH.
15482 (new_basic_block): Likewise, use HASH_SIZE, and inline
15484 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
15485 and inline free_element call.
15486 (lookup_as_function, insert, flush_hash_table, invalidate,
15487 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
15488 invalidate_for_call, use_related_value, find_comparison_args,
15489 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
15490 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
15491 get_element): Kill.
15493 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
15495 * cse.c (cse_basic_block): Free qty_table consistently.
15497 1999-12-12 David S. Miller <davem@redhat.com>
15498 Jakub Jelinek <jakub@redhat.com>
15500 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
15501 SUBREGs by hand, gen the appropriate hard reg directly.
15502 (movtf reg/mem split): Likewise and alter_subreg on destination
15504 (movtf mem/reg split): Similarly.
15505 (movdf_cc_sp64): Rename from hidden pattern.
15506 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
15507 (movtf_cc_sp64, following split): New pattern and splitter.
15508 (movdf_cc_reg_sp64): Rename from hidden pattern.
15509 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15511 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15513 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15515 * loop.c (load_mems): Don't hoist written floating point mem
15518 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15520 * except.h (struct eh_queue): Add `next' pointer.
15521 (struct eh_status): Make x_ehqueue a pointer.
15522 (push_ehqueue): Declare.
15523 (pop_ehqueue): Likewise.
15524 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15526 (expand_fixup_region_end): Likewise.
15527 (expand_leftover_cleanups): Likewise.
15528 (push_ehqueue): Define.
15529 (pop_ehqueue): Likewise.
15530 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15531 than doing it inline.
15532 (expand_start_all_catch): Adjust now that ehqueue is a
15534 (mark_eh_queue): Mark all level of the queue.
15535 (mark_eh_status): Adjust now that ehqueue is a
15537 (init_eh_for_function): Allocate ehqueue.
15538 (free_eh_status): Free it.
15539 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15540 expansion for a fixup.
15542 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15544 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15546 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15547 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15548 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15549 function_ptr, getpagesize, __enable_execute_stack,
15550 __enable_execute_stack, __clear_insn_cache,
15551 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15552 _cleanup, _exit, __default_terminate, __terminate_func,
15553 __terminate, __empty, __throw, new_eh_context,
15554 eh_context_initialize, eh_context_static, eh_context_specific,
15555 get_eh_context, __get_eh_context, __get_eh_info,
15556 init_reg_size_table, eh_threads_initialize,
15557 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15558 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15559 __pure_virtual): Add prototype arguments.
15560 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15561 Cast a signed value to unsigned long when comparing against one.
15562 (new_eh_context): Wrap in _GTHREADS macro.
15563 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15565 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15566 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15568 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15570 * combine.c (record_promoted_value): Remove unused variable
15573 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15575 * global.c (record_conflicts): Likewise for `j'.
15577 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15580 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15582 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15583 output_fp_compare): Constify a char*.
15585 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15587 (override_options, ix86_comp_type_attributes, print_operand,
15588 output_387_binary_op, output_fix_trunc, output_fp_compare):
15590 (ix86_sched_reorder): Mark parameter `clock_var' with
15593 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15595 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15597 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15598 operand, for use in the Java front-end.
15600 1999-12-10 Ben Collins <bcollins@debian.org>
15602 * configure.in: Fix typo for "-64" in 64bit as check.
15603 * configure: Rebuilt.
15605 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15607 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15610 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15612 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15613 concatenation is utilized.
15615 * invoke.texi (-Wtraditional): Document it.
15617 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15619 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15620 Cast a ptrdiff_t to long and pass it to printf with %ld.
15622 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15624 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15625 68881, we have no 68881 registers at all.
15626 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15627 value in a 68881 register if it is available.
15629 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15631 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15632 for long long multiply-accumulate.
15634 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15636 * loop.c (insert_loop_mem): Undo last change.
15638 1999-12-10 David S. Miller <davem@redhat.com>
15640 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15642 * config/sparc/sparc-protos.h: Add them.
15643 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15644 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15645 constraints which use those helpers.
15646 (EXTRA_CONSTRAINT): Use this new macro.
15647 * md.texi: Update sparc target constraints documentation.
15648 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15649 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15650 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15651 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15652 (movsf high/lo_sum split): Rework for new patterns.
15653 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15655 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15657 * c-common.c (c_common_nodes_and_builtins):
15658 Create __builtin_ptrdiff_t and __builtin_size_t.
15660 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15662 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15664 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15666 * regclass.c (globalize_reg): Re-instate test that allows
15667 fixed registers to be declared as a variable even after functions
15670 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15672 * i386.md (cpu attribute): Add "athlon".
15673 (athlon_decode): New attribute.
15674 (Athlon scheduling units definitions): New.
15675 (fcmp and shld patterns): Set athlon_decode to "vector".
15676 * i386.c (athlon_cost): New.
15678 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15679 x86_use_sahf): Set for Athlon.
15680 (x86_use_fiop): Unset for Athlon.
15681 (override_options): Define Athlon alignments and "athlon" name.
15682 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15683 * i386.h (TARGET_ATHLON): New.
15684 (enum processor_type): Add PROCESSOR_ATHLON.
15685 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15687 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15689 1999-12-09 Andreas Jaeger <aj@suse.de>
15691 * loop.c (record_biv): Declare parameter as int.
15693 * config/i386/i386-protos.h: Declare long_memory_operand.
15695 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15697 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15698 EXPR_WITH_FILE_LOCATION.
15700 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15702 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15705 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15707 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15710 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15712 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15713 default on linux64 again.
15714 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15715 models for multilibing.
15716 * genmultilib: Accept | as alternative separator within a set in
15719 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15721 * calls.c (precompute_arguments): Make sure initial_value contains
15722 value pseudo which CSE expects.
15723 * cse.c (struct set): New entry orig_src.
15724 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15727 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15729 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15731 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15733 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15735 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15737 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15738 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15740 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15743 * longlong.h: Merge in changes from glibc.
15744 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15745 -mno-app-regs libgcc can be compiled.
15746 * libgcc2.c: Add defines so that the updated longlong.h
15747 can be used in libgcc2.a. Also, make sure on most architectures
15748 (at least on all which have optimized code in longlong.h defined
15749 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15751 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15753 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15754 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15755 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15757 * configure: Rebuilt.
15759 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15761 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15762 outputs require a register.
15764 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15766 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15767 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15768 functions like dptoul will be resolved.
15769 (libgcc2.a): Make sure that the object files from DPBIT are named
15770 differently (prefix `_dp') from those that would be coming from
15773 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15775 * configure.in: When target is sparc* and tm_file contains 64,
15776 test for 64bit support in assembler. If not supported, remove
15777 sparc/t-sol2-64 from target-dependent Makefile fragments.
15778 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15779 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15780 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15781 * acconfig.h (AS_SPARC64_FLAG): Added.
15782 * configure, config.in: Rebuilt.
15783 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15784 support. Use AS_SPARC64_FLAG.
15786 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15788 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15789 suitable for holding OFmode values so that gcc works with complex
15791 (hard_64bit_mode_classes): Likewise.
15793 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15794 so that it is actually matched.
15795 (sethi_di_medlow): Likewise.
15797 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15798 as legitimate constant if -mvis.
15799 * config/sparc/sparc.md (movtf): Likewise.
15800 (clear_sf): Use const_double_operand.
15801 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15803 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15804 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15805 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15806 routines, _Qp_* cannot be handled like that now.
15807 (INIT_TARGET_OPTABS): Likewise.
15808 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15809 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15810 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15811 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15812 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15813 divtf3, sqrttf3): New expanders.
15814 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15815 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15816 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15819 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15820 * configure: Rebuilt.
15821 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15822 -mcpu is given and we're doing 64bit compiles.
15824 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15826 * loop.h (struct induction): Add multi_insn_incr.
15827 * loop.c (basic_induction_var): New multi_insn_incr argument.
15828 Set it if we search back through previous insns for the biv.
15829 (record_biv): New multi_insn_incr argument; fill in struct induction.
15830 (strength_reduce): Discard an iv with multiple bivs, any of
15831 which require multiple insns to increment.
15833 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15835 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15838 1999-12-06 David S. Miller <davem@redhat.com>
15840 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15841 PROMOTE_FUNCTION_RETURN.
15843 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15845 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15846 and handle REG_UNUSED note on insn.
15848 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15849 inner_mask instead of mask.
15851 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15853 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15854 zero if there was an error.
15856 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15858 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15861 * longlong.h: Fix clobbers in SPARC asm statements.
15863 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15864 valid sethi operations when TARGET_ARCH64.
15866 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15867 always use move_by_pieces to avoid infinite recursion.
15868 (restore_fixed_argument_area): Likewise.
15870 * combine.c (check_promoted_subreg, record_promoted_value): New
15872 (combine_instructions): Use them to retain nonzero and sign bit
15873 information after SUBREGs are eliminated by optimizations in
15874 this pass if PROMOTE_FUNCTION_RETURN.
15876 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15877 .register declaration. Don't use variables with __ prefixes.
15879 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15881 * fold-const.c (optimize_bit_field_compare): Only use one mode
15882 for both RHS and LHS in non-constant case.
15884 1999-12-06 Nathan Sidwell <nathan@acm.org>
15886 * frame.c (start_fde_sort): Only allocate erratic array, if
15887 linear one was allocated. Return allocated flag.
15888 (fde_insert): Only insert, if there's a valid array.
15889 (fde_end_sort): Split, sort and merge if linear and erratic
15890 arrays exist, else just sort linear one.
15891 (search_fdes): New function. Linear search through original fde
15893 (frame_init): Permit multiple initializations. Cope with
15895 (find_fde): Fallback on linear search, if failed to sort array.
15896 (__deregister_frame_info): Only free sorted array, if we
15899 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15901 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15903 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15905 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15907 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15909 * tree.h (special_function_p): Declare.
15910 * calls.c (special_function_p): Make it global. Don't take `name'
15911 as a parameter. Fix typo in 1999-11-28 change.
15912 (expand_cal): Adjust.
15914 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15916 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15917 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15918 EXPR_WFL_FILENAME_NODE.
15919 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15921 * print-tree.c (print_note): Print TREE_PRIVATE and
15924 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15925 the original die cannot be found.
15927 * varray.h (varray_head_tag): Add elements_used.
15928 (VARRAY_PUSH): New macro.
15929 (VARRAY_POP): Likewise.
15930 (VARRAY_TOP): Likewise.
15931 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15933 * varray.c (varray_init): Initialize elements_used.
15934 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15935 (INTEGRATE_H): New variable.
15936 (integrate.o): Depend on INTEGRATE_H.
15937 (unroll.o): Likewise.
15939 * function.h (insert_block_after_note): Declare.
15940 * function.c (insert_block_after_note): Split out from ...
15941 (retrofit_block): ... here.
15943 * stmt.c (expand_fixup): Fix typo in comment.
15945 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15947 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15948 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15949 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15950 (regmove_optimize, fixup_match_1): Likewise.
15952 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15954 * flow.c (flow_loops_dump): Add missing argument when calling
15955 flow_loop_nested_p.
15957 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15958 Greg McGary <gkm@gnu.org>
15960 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15961 (init_attributes): Add A_NO_LIMIT_STACK.
15962 (decl_attributes): Handle A_NO_LIMIT_STACK.
15963 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15964 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15965 Handle stack bounds checking.
15966 * flags.h (flag_stack_check): Use the word 'probe' rather than
15967 'check', because the flag doesn't actually cause any checking to
15969 * function.c (expand_function_start): Set
15970 current_function_limit_stack.
15971 * function.h (struct function): Add limit_stack.
15972 (current_function_limit_stack): Define.
15973 * invoke.texi (Code Gen Options): Document new options.
15974 * rtl.h: Declare stack_limit_rtx.
15975 * toplev.c (stack_limit_rtx): New variable.
15976 (decode_f_option): Handle new options -fstack-limit-register=REG,
15977 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15978 (main): Add stack_limit_rtx as GC root.
15979 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15980 (struct tree_decl): New member no_limit_stack.
15982 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15984 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15985 (conditional_trap+1): Get new mnemonic correct.
15986 (conditional_trap+2): New pattern for DImode traps.
15988 * config/m68k/m68k.c (output_function_prologue): Handle
15990 * config/m68k/m68k.md (trap): New insn.
15991 (conditional_trap): New insn.
15992 * md.texi (Standard Names): Document `trap' and
15993 `conditional_trap'.
15994 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15995 so a cc0 setter doesn't get emitted at some random place in the
15998 * config/i960/i960.md (trap): New insn.
15999 (conditional_trap): New expander.
16000 (conditional_trap+1, conditional_trap+2): New insns for signed
16001 and unsigned cases.
16002 * config/i960/i960.c (i960_function_prologue): Use
16003 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
16005 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
16006 Geoffrey Keating <geoffk@cygnus.com>
16008 * flags.h (warn_padded, warn_packed): Add global var decls.
16009 * toplev.c (warn_padded, warn_packed): Add global var defns.
16010 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
16011 * stor-layout.c (layout_record): Add local variable `type'
16012 to hold often-used TREE_TYPE (field). Add local variable
16013 `unpacked_align' to hold alignment that would be in force
16014 if no `packed' attribute were present. Warn if `packed' attribute
16015 is unnecessary, or even harmful. Warn when gcc inserts padding
16016 to satisfy alignment requirements of members. Use NULL_TREE
16017 when checking whether var_size is set.
16018 * invoke.texi: Document new flags.
16020 1999-12-03 Nathan Sidwell <nathan@acm.org>
16022 * frame.c (fde_split): Reimplement to avoid variable sized array.
16024 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16026 * combine.c (try_combine): Before fixing up LOG_LINKS for the
16027 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
16029 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
16031 * invoke.texi: Document the mips option -mno-crt0
16033 1999-12-02 Mike Karr <mkarr@mathworks.com>
16035 * cccp.c (argdata): Added free_ptr member.
16036 (macroexpand): Initialize free_ptr of each argument. When an
16037 argument's buffers are freed, if the argument's free_ptr corresponds
16038 to a buffer on the input stack, then return the free_ptr to that stack
16039 frame, otherwise, free it.
16040 (macarg): If an argument begins and ends on the same input stack level,
16041 then transfer the free_ptr of that buffer to the argument in case
16042 the stack is popped during the processing of a subsequent argument.
16044 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
16046 * loop.c (note_reg_stored): New function.
16047 (struct note_reg_stored_arg): New structure.
16048 (try_copy_prop): Change to be more conservative; only replace within
16049 one extended basic block and stop replacing if a store to the
16050 replacement reg is seen.
16052 1999-12-02 Nick Clifton <nickc@cygnus.com>
16054 * config/fp-bit.c: Initialise all fields of the NAN
16057 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
16060 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16062 * i386.md (extend?f?f2): Force the input into a register, not
16065 1999-12-01 Jakub Jelinek <jakub@redhat.com>
16067 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
16069 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
16070 alternative because setting up 64bit constant is usually costly,
16071 especially when reload is in progress or completed.
16072 (movdf_const_intreg_sp64): Likewise.
16073 (movdf_const_intreg split): Fix building up constants when
16074 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
16076 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
16078 * combine.c (if_then_else_cond): Use const_true_rtx instead of
16079 const1_rtx for return values in EQ/NE comparison against (const_int 0)
16082 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
16083 (asm_file_start): Emit .am33 into assembly file when compiling for
16085 (print_operand_address): Handle POST_INC addresses.
16086 (can_use_return_insn, initial_offset): Check AM33 registers too.
16087 (expand_prologue): Check & save AM33 registers too.
16088 (expand_epilogue): Similarly.
16089 (secondary_reload_class): Handle AM33 specific secondary reloads.
16090 (output_tst): Emit efficient code for the AM33 too.
16091 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
16092 (TARGET_SWITCHES): Add -mam33 switch.
16093 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
16094 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
16095 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
16096 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
16097 (enum reg_class, REG_CLASS_NAMES): Likewise.
16098 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
16099 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
16100 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
16101 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
16102 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
16103 (HAVE_POST_INCREMENT): Define.
16104 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
16105 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
16106 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
16107 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
16108 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
16109 (zero_extend to SI from QI/HI): Likewise.
16110 (sign_extend to SI from QI/HI): Likewise.
16111 (mulsidi3, umulsidi3): New patterns for the AM33.
16112 (tstsi with zero extension from QI/HI): Add AM33 variants.
16113 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
16114 (return_internal_regs, store_movm): Handle new AM33 registers.
16115 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
16116 (LIBGCC, INSTALL_LIBGCC): Likewise.
16117 * invoke.texi: Document new flags.
16119 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16121 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
16122 (addsi3_carry): Likewise.
16123 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
16124 (sbbsi3_carry): Likewise.
16125 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
16126 (mulhi3): Likewise.
16127 (test?i_1): Ensure that only one operand is memory.
16128 (conditional move patterns): likewise.
16129 (shift and rotate patterns): Rewrite to expander, add
16130 "binary_operator_ok" to the condition.
16132 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
16133 * i386.h (procesor_costs): Add movzbl_load field.
16134 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
16135 non-Q registers, accept DImode registers anywhere.
16137 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
16138 * i386.c (*_cost): Set value for movxbl_load field.
16140 * (addsi): New add to lea splitter.
16141 (ashlsi): Likewise.
16142 (lea to add/shift peep2): New.
16144 1999-12-01 Mark Salter <msalter@cygnus.com>
16146 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
16147 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
16148 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
16150 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16152 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
16153 * i386.md (movsi_xor): New.
16155 (movsi_1, movhi_1, movqi_1): Remove.
16156 (movsi_2): Rename to movsi_1.
16157 (movhi_2): Rename to movhi_1.
16158 (movqi_2): Rename to movqi_1.
16159 (movdi_1): Remove; remove splitter.
16160 (movdi_2): Rename to movdi_1.
16161 (divmodsi4 splitter): Do not emit clobbers for move patterns.
16162 (long move peep2): Do not create QI or HI mode mov0s
16163 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
16165 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
16168 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
16169 (abs?f2_if): Likewise.
16171 1999-11-30 Alex Samuel <samuel@codesourcery.com>
16173 * ggc.h (ggc_test_and_set_mark): New macro.
16174 (ggc_mark_rtx): Use ggc_test_and_set_mark.
16175 (ggc_mark_tree): Likewise.
16176 (ggc_mark_rtvec): Likewise.
16177 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
16179 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
16181 * dwarf2out.c (scope_die_for): Only handle types. Only search for
16183 (decl_scope_table): Just an array of trees now.
16184 (push_decl_scope): Simplify.
16185 (dwarf2out_init): Adjust.
16186 (local_scope_p): New fn.
16187 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
16188 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
16189 (gen_typedef_die): Likewise.
16190 (gen_lexical_block_die): Don't call push/pop_decl_scope.
16191 (gen_inlined_subroutine_die): Likewise.
16192 (gen_abstract_function): Set current_function_decl temporarily.
16193 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
16194 Handle block extern declarations. Don't call push/pop_decl_scope.
16195 (gen_decl_die): Fix logic for block externs.
16197 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16199 * calls.c (special_function_p): Remove `realloc' and add `strdup'
16200 to the list of functions which have attribute malloc by default.
16202 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16204 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
16205 integer constant does not match the traditional type, limit the
16206 warnings to cases where the base of the type is ten.
16208 * invoke.texi (-Wtraditional): Document it.
16210 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16212 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
16213 * rs6000.md: Only access a CONST_INT with INTVAL
16215 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
16217 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
16218 (compute_nearerout): Likewise.
16219 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
16220 size_t to unsigned long for formatting.
16222 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16224 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
16225 Allow the user to override call-used/fixed state of %g2-5
16226 registers from the command line (with the exception of %g4 for
16228 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
16229 there is a higher chance of having a leaf function.
16230 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
16231 for ARCH64 which has %ccr register.
16232 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
16234 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
16235 insn accept into delay slot any insn which does not use %[ol]
16236 registers. Accept some LO_SUM and shift left by 1 for the normal
16238 (output_function_epilogue): Likewise.
16239 (epilogue_renumber): Added argument which inhibits any renumbering
16240 and just tests if the rtx does not use any %[ol] registers.
16241 (output_return): Reflect above change.
16243 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16245 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
16246 aggregate passing for sizes <= 16 bytes.
16248 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
16250 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
16251 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
16252 * reload.c (find_dummy_reload): Likewise.
16253 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
16254 * reload1.c (reload_as_needed): Likewise.
16255 * stupid.c (stupid_find_reg): Likewise.
16256 * tm.texi (Obsolete Register Macros): Delete section.
16257 * gmicro.h: Remove all traces of the two macros.
16258 * i386.h: Likewise.
16259 * m88k.h: Likewise.
16260 * mips.h: Likewise.
16262 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
16264 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
16265 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
16266 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
16267 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
16268 units for the sparclite86x chip.
16269 (flush): Revert October 14th change; add SImode specifically.
16270 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
16271 * invoke.texi: Document it.
16273 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
16275 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
16276 psimode_truncation_operand.
16278 * config/mn10200/mn10200.c (psimode_truncation_operand): New
16279 function. Return true if the operand is either a MEM valid
16280 for a PSImode address or not a MEM at all.
16282 * config/mn10200/mn10200.md (truncsipsi2): Use
16283 psimode_truncation_operand.
16285 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16287 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
16288 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
16289 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
16290 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
16291 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
16292 (flow_loop_level_compute, low_loops_level_compute): Likewise.
16293 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
16294 * basic-block.h: Protect from multiple inclusion.
16295 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
16296 (struct loops, struct loop): Define structures.
16297 * sbitmap.c (sbitmap_a_subset_b_p): New function.
16298 * sbitmap.h: Protect from multiple inclusion.
16299 (sbitmap_a_subset_b_p): Add prototype.
16300 * Makefile.in (LOOP_H): New macro.
16301 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
16303 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
16305 * cppinit.c (CAT): The argument list of this macro may not contain
16308 1999-11-29 David S. Miller <davem@redhat.com>
16310 Move quantity tables and register equivalence chains into
16311 per-qty and per-register structure arrays respectively.
16312 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
16313 qty_const_insn, qty_comparison_code, qty_comparison_const,
16314 qty_comparison_qty): Delete, replace with...
16315 (qty_table): this structure table.
16316 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
16317 (reg_eqv_table): this structure table.
16318 (make_new_qty): Add argument MODE. Caller updated.
16319 Update to use qty_table and reg_eqv_table.
16320 (make_regs_eqv, delete_reg_equiv, insert_regs,
16321 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
16322 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
16323 cse_process_notes, cse_main, cse_basic_block): Likewise.
16325 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16327 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
16328 operation if C is negative.
16329 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
16330 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
16331 law for some divisions if constant is negative and change other
16332 divisions to the opposite rounding.
16334 * expr.c (store_constructor_field): If bit position is not multiple
16335 of alignment of TARGET's mode, use BLKmode.
16337 * expr.c (expand_expr_unaligned): Add more code from full case
16338 that is needed when OP0 is in a register.
16340 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16342 * dwarfout.c (field_byte_offset): Size can be zero if there was
16345 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16347 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
16348 (associate_trees): Delete unused var TEM.
16349 (extract_muldiv): Delete unused var CANCEL_P.
16351 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
16352 (target_isinf, target_isnan, target_negative): Add return types to
16353 function definitions.
16355 1999-11-29 Bruce Korb <autogen@linuxbox.com>
16357 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
16358 * fixinc/hackshell.tpl: ditto
16359 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16360 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
16362 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16364 * reload.c (push_reload): When looking for a register to put into
16365 reg_rtx, make sure all hard regs in a multi-reg register are in the
16366 right class and nonfixed.
16368 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
16369 pending_read_insns, pending_write_insns, pending_read_mems,
16370 pending_write_mems, pending_list_length, last_pending_memory_flush,
16371 last_function_call, sched_before_next_call): Move static variables
16373 (bb_ prefixed versions): Replace with single array bb_deps.
16374 (struct deps): New structure.
16375 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
16376 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
16377 argument of type "struct deps *"; use that instead of global
16378 variables. All callers changed.
16379 (init_rgn_data_dependencies): Delete function.
16380 (init_rtx_vector): Delete function.
16381 (init_deps): New function.
16383 (free_pending_lists): Simplify, we always use the bb_deps array even
16384 if only one basic block.
16385 (compute_block_backward_dependences): Likewise.
16386 (schedule_region): Likewise.
16388 (propagate_deps): New function, broken out of
16389 compute_block_backward_dependences.
16390 (compute_block_backward_dependences): Use it.
16392 * alpha.md: Delete useless patterns that tried to work around
16393 register elimination problems.
16395 * unroll.c (loop_iterations): Don't abort if iteration variable
16398 From Joern Rennecke:
16399 * reload1.c (reloads_conflict): Reverse test comparing operand
16400 numbers when testing for conflict between output/outaddr reloads.
16402 1999-11-29 David S. Miller <davem@redhat.com>
16404 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
16406 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
16408 1999-11-28 Robert Lipe <robertl@cygnus.com>
16410 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
16411 table from .fini into .dtor.
16413 1999-11-28 Anthony Green <green@cygnus.com>
16415 * tree.h (struct tree_decl): Add malloc_flag.
16416 (DECL_IS_MALLOC): Define.
16417 * c-common.c (attrs): Add A_MALLOC attribute.
16418 (init_attributes): Add this attribute to the table.
16419 (decl_attributes): Handle malloc attribute.
16420 * calls.c (special_function_p): Check for the malloc attribute.
16421 * extend.texi (Function Attributes): Document malloc attribute.
16423 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
16425 * pa.md (reload shift-add patterns): Remove.
16427 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16429 * reorg.c (dbr_schedule) Print more statistics. Corrected
16430 problem when printing info when 3 delay slots are filled.
16432 1999-11-28 Jakub Jelinek <jakub@redhat.com>
16434 * combine.c (setup_incoming_promotions): Pass an outgoing
16435 regno to FUNCTION_ARG_REGNO_P which it expects.
16437 1999-11-28 Andreas Jaeger <aj@suse.de>
16439 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
16441 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
16443 * cccp.c (do_include): Avoid initialization of automatic variable.
16445 * integrate.c (mark_stores): Function definition made void, to match
16446 previous declaration.
16447 * regclass.c (dump_regclass): Ditto.
16448 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
16450 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16452 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
16453 known to be multiple of divisor.
16455 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
16457 * combine.c (try_combine): Add code to try to merge a set of a
16458 two-word pseudo to a constant with a setting of one of those words
16461 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
16462 (split_tree): Completely rework to make more general.
16463 (make_range, fold): Call negate_expr.
16464 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
16465 (fold, associate): Call new split_tree and associate_trees.
16466 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
16468 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
16470 * loop.c (try_copy_prop): Avoid GNU C extension.
16472 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16474 * except.c (init_eh_for_function): Still zero eh_return_context,
16475 eh_return_stack_adjust, and eh_return_handler.
16477 * except.h (eh_status): Adjust documentation for x_protect_list.
16478 (begin_protect_partials): New function.
16479 * except.c (enqueue_eh_entry): Fix formatting.
16480 (get_first_handler): Add consistency check.
16481 (add_partial_entry): Adjust usage of protect_list.
16482 (emit_cleanup_handler): Save and restore ehqueue.
16483 (expand_start_all_catch): Add comment.
16484 (begin_protect_partials): New function.
16485 (end_protect_partials): Adjust usage of protect_list.
16486 (init_eh_for_function): Use xcalloc.
16488 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16490 * c-common.c (check_format_info): Don't call a variadic function
16491 with a non-literal format string.
16493 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
16495 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
16496 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
16499 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
16502 * collect2.c (collect_wait): Likewise.
16504 * dbxout.c (dbxout_type): Likewise.
16506 * gcc.c (do_spec_1): Likewise.
16508 * genemit.c (gen_insn, gen_expand): Likewise.
16510 * genrecog.c (write_switch, write_subroutine): Likewise.
16512 * mips-tfile.c (catch_signal, botch): Likewise.
16514 * print-rtl.c (print_rtx): Likewise.
16516 * toplev.c (default_print_error_function, report_error_function,
16517 _fatal_insn): Likewise.
16519 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16521 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16523 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16525 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16526 operations when needed.
16527 * i386.md (fop_?f_comm): New.
16528 (fop_?f_1): Do not accept commutative operands.
16530 1999-11-25 Andreas Jaeger <aj@suse.de>
16532 * config/mips/mips.md (casesi_internal): Add missing brace.
16534 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16536 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16537 (splice_child_die): Handle moving a child DIE from the declaration
16538 DIE of a class to its specification.
16539 (gen_struct_or_union_type_die): Use 'complete' consistently.
16540 (gen_decl_die): Generate the virtual context DIE first.
16541 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16543 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16545 * config/mips/mips.md (call_value_multiple_interanal1): New.
16547 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16549 * dwarf2out.c (free_AT, free_die): New fns.
16550 (remove_children): Call them.
16551 (output_line_info): Disable removal of duplicate notes.
16553 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16554 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16555 means pretend the type isn't defined.
16556 Don't defer emitting types.
16557 (gen_type_die_for_member): New fn.
16558 (gen_decl_die): Call it.
16559 (splice_child_die): New fn.
16560 (gen_member_die): Call it rather than generate duplicate dies.
16562 Defer emitting information for the abstract instance of an inline
16563 until we either inline it or emit an out-of-line copy.
16564 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16565 from output_inline_function if DECL_ABSTRACT is also set.
16566 (block_ultimate_origin): Likewise.
16567 (gen_abstract_function): New fn.
16568 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16569 (gen_subprogram_die): An abstract instance is not a declaration
16570 just because it doesn't match current_function_decl. Don't abort
16571 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16572 has an abstract origin.
16573 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16574 abstract instance here.
16576 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16578 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16579 where we need to reload fpul from a system register.
16581 1999-11-24 Andreas Jaeger <aj@suse.de>
16583 * config/mips/linux.h (CPP_PREDEFINES): Added.
16584 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16586 1999-11-24 Andreas Jaeger <aj@suse.de>
16588 * config/mips/linux.h (TARGET_VERSION): Added.
16589 (HANDLE_SYSV_PRAGMA): Added.
16590 (DEFAULT_VTABLE_THUNKS): Added.
16592 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16594 * local-alloc.c (qty): New structure and static variable.
16595 (qty_phys_reg): Remove, all references changed to qty.
16596 (qty_n_refs): Likewise.
16597 (qty_min_class): Likewise.
16598 (qty_birth): Likewise.
16599 (qty_death): Likewise.
16600 (qty_size): Likewise.
16601 (qty_mode): Likewise.
16602 (qty_n_calls_crossed): Likewise.
16603 (qty_alternate_class): Likewise.
16604 (qty_changes_size): Likewise.
16605 (qty_first_reg): Likewise.
16606 (alloc_qty): Rename variable QTY to QTYNO.
16607 (finf_free_reg): Likewise.
16608 (local_alloc): Allocate qty, do not allocate the removed variables.
16610 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16612 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16613 when -membedded-pic is passed.
16615 * config/mips/mips.md (casesi): Handle 64-bit case too.
16616 (casesi_internal_di): New insn.
16618 * config/mips/mips.c (embedded_pic_offset): Always make the
16619 embedded-pic subtractions relative to the name of the current
16620 function by use of the magic string "..CURRENT_FUNCTION".
16621 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16623 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16625 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16626 of (const_int 0), when what we really care about is
16627 whether it's a zero constant anyway.
16628 (div_trap_mips16): Likewise.
16630 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16632 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16633 unroll_block_trees when generating debuggable code.
16635 * tree.h (unsave_expr_1): New function.
16636 (lang_unsave): New variable.
16637 (get_callee_fndecl): New function.
16638 * tree.c (unsave_expr_now_r): New function.
16639 (lang_unsave): Define.
16640 (unsave_expr_1): Likewise.
16641 (unsave_expr_now_r): Split out from unsave_expr_now.
16642 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16643 call unsave_expr_now_r.
16644 (get_callee_fndecl): Define.
16646 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16647 (gencheck.o): Do depend on lang_tree_files.
16649 * integrate.h (copy_decl_for_inlining): New declaration.
16650 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16651 (copy_decl_for_inlining): New function.
16652 (integrate_parm_decls): Use it.
16653 (integrate_decl_tree): Likewise.
16655 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16657 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16658 the second two from the first.
16659 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16660 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16661 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16663 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16664 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16667 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16669 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16670 needed on the address operand.
16671 * pa.c (call_operand_address): Check for the correct mode.
16673 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16675 * loop.c: Include "basic-block.h".
16676 (try_copy_prop, replace_loop_reg): New functions.
16677 (load_mems): Detect registers that just hold copies of the hoisted
16678 mem, and call try_copy_prop to eliminate them.
16679 * Makefile.in (loop.o): Update dependencies.
16681 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16683 * Makefile.in (gencheck.o): Depend on gencheck.h.
16684 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16685 (insn-peep.o): Depend on except.h and function.h.
16686 (insn-attrtab.o): Depend on RECOG_H.
16687 (insn-output.o): Depend on toplev.h and flags.h.
16688 (gengenrtl.o): Depend on real.h.
16689 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16690 Unify all dependencies to be on RECOG_H rather than recog.h.
16692 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16694 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16695 * configure.in: Try building a bi-arch 32/64-bit compiler on
16696 sparc-*-solaris2.7 and higher.
16697 * configure: Rebuild.
16699 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16701 * config/freebsd.h: New, FreeBSD architecture independent file.
16702 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16703 independent pieces.
16704 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16705 directly by i386/freebsd.h.
16706 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16707 independent configuration file.
16708 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16709 directly by i386/freebsd.h.
16710 * configure: Rebuilt.
16712 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16713 which is in the user's namespace.
16714 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16715 `i386' which is not in our namespace.
16717 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16719 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16721 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16723 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16724 (add_dwarf_attr, add_child_die): Just push onto the front.
16725 (reverse_die_lists): New fn.
16726 (add_sibling_attributes): Use it.
16727 (push_decl_scope): Reorganize.
16728 (add_name_and_src_coords_attributes): Don't set file and line for
16729 an artificial decl.
16730 (gen_subprogram_die): An artificial function doesn't need to match
16732 (gen_compile_unit_die): Return the generated die. Only add
16733 AT_comp_dir if the filename is relative.
16734 (remove_AT): Simplify loop. Also free string values.
16735 (output_die): A DIE ref can't be null.
16736 (output_value_format, value_format): Take a dw_attr_ref.
16737 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16738 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16739 AT_addr, AT_lbl): New fns.
16740 (various): Use them.
16741 (various): Constify.
16743 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16745 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16746 take SUBREG_WORD into account.
16747 (if_then_else_cond): Likewise.
16749 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16751 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16752 clause from BSD license, pursuant with
16754 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16756 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16758 * loop.c (load_mems): Reformat slightly.
16759 * basic-block.h (regset_head): New typedef.
16760 (INIT_REG_SET): New macro.
16762 1999-11-22 Bruce Korb <autogen@linuxbox.com
16764 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16765 (mips-dec-bsd*): non-functional code
16766 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16768 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16769 added three replacement fixes
16770 (no_double_slash): removed comments that are not (any longer) pertinent
16771 (bad_lval): this fix currently runs against many files.
16772 The comment seems to indicate that we should select for files
16773 containing 'pragma extern_prefix'.
16775 * fixinc/fixinc.x86-linux-gnu: deleted
16776 * fixinc/inclhack.sh: regen
16777 * fixinc/fixincl.x: regen
16778 * fixinc/fixincl.sh: regen
16780 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16782 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16783 its code is INSN and it has no notes.
16785 1999-11-22 Andrew Haley <aph@cygnus.com>
16787 * varasm.c (function_defined): Remove.
16788 (make_function_rtl): Don't set function_defined.
16789 (make_decl_rtl): Remove global register warning.
16790 * regclass.c (no_global_reg_vars): New variable.
16791 (globalize_reg): Warn if function has already been defined.
16792 (regclass_init): Set no_global_reg_vars.
16794 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16796 * regclass.c (reg_pref): New structure and static variable
16797 (prefclass): Delete.
16798 (altclass): Delete.
16799 (all uses of prefclass and altclass): Use reg_pref instead.
16801 1999-11-21 Nick Clifton <nickc@cygnus.com>
16803 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16805 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16806 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16807 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16809 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16811 * varasm.c (output_constructor): Solve problem with long long
16812 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16814 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16816 * global.c (allocno): New structure and static variable.
16817 (allocno_reg): Remove, all references replaced by allocno.
16818 (allocno_size): Likewise.
16819 (hard_reg_conflicts): Likewise.
16820 (hard_reg_preferences): Likewise.
16821 (hard_reg_copy_preferences): Likewise.
16822 (hard_reg_full_preferences): Likewise.
16823 (regs_someone_prefers): Likewise.
16824 (allocno_calls_crossed): Likewise.
16825 (allocno_n_refs): Likewise.
16826 (allocno_live_length): Likewise.
16827 (find_reg): Rename ALLOCNO to NUM.
16829 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16830 references updated.
16831 (may_move_out_cost): New variable.
16832 (init_reg_sets_1): Initialize may_move_out_cost.
16833 (record_reg_classes): Use may_move_out_cost.
16835 * regclass.c (dump_regclass): New function.
16836 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16837 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16838 pass rtl_dump_file to regclass.
16839 * rtl.h (regclass): Update prototype.
16841 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16843 * i386.md (neg, not and abs patterns): Revmap to use
16844 ix86_expand_unary_operator and ix86_unary_operator_ok.
16845 (add?f and sub?f expanders): Force operand 1 to register.
16846 * i386.c (ix86_expand_unary_operator): Rewrite.
16847 (ix86_unary_operator_ok): Ensure that memory operands
16849 (ix86_binary_operator_ok): Do not allow operand 1 to
16850 come into memory and operand 0 not.
16851 (ix86_expand_binary_operator): Ensure that
16852 src1 is not non-matching memory.
16854 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16855 to support integer registers and memory.
16856 (abss?2_integer): Likewise.
16858 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16859 (REG_CLASS_NAMES): Likewise.
16860 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16862 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16863 (movsf): Likewise; unify 4th and 5th alternative.
16864 (pushdf): Likewise.
16865 (movdf_1): Likewise; rename to movdf_integer.
16866 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16867 remove redundant splitter.
16868 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16869 (movdf_nointeger): New.
16870 (movxf_nointeger): New.
16871 (pushxf_nointeger): New.
16873 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16874 memory operands in patterns.
16875 (fop*): Refuse two memory operands.
16877 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16878 on !TARGET_USE_CLTD CPUs.
16880 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16882 * extend.texi: Document C++ restricted pointers and references.
16884 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16886 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16887 (invalidate_skipped_set): Call it unconditionally.
16888 (cse_set_around_loop): Likewise.
16890 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16892 * rtl.texi (mem): Add documentation for alias-set argument
16895 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16897 * i386.h (struct_processor_costs): New fields int_load, int_store,
16898 fp_move, fp_load and fp_store
16899 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16901 (MEMORY_MOVE_COST): New macro.
16902 * i386.c (386_cost): Define new fields.
16903 (i486_cost): Likewise.
16904 (pentium_cost): Likewise.
16905 (pentiumpro_cost): Likewise.
16906 (k6_cost): Likewise.
16908 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16909 Geoffrey Keating <geoffk@cygnus.com>
16911 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16913 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16916 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16917 (TARGET_STRICT_ALIGNMENT): New macro.
16918 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16919 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16920 * invoke.texi (M680x0 Options): Document -mstrict-align.
16922 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16923 Richard Henderson <rth@cygnus.com>
16925 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16926 (ix86_split_long_move): Declare.
16927 * i386.c (split_xf, ix86_split_movdi): Remove.
16928 (ix86_split_to_parts, ix86_split_long_move): New.
16929 * i386.md (dimode move splitters): Use ix86_split_long_move.
16930 (dfmode move splitters): Likewise.
16931 (xfmode move splitters): Likewise.
16932 (movsf_1): Allow F->r.
16933 (movdf_1, movxf_1): Allow F->ro.
16935 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16937 * except.h (struct eh_entry): Add goto_entry_p.
16938 (eh_region_from_symbol): Remove prototype.
16939 * except.c (find_func_region_from_symbol): New function.
16940 (emit_cleanup_handler): Likewise.
16941 (eh_region_from_symbol): Make it static.
16942 (add_new_handler): Verify the argument.
16943 (find_func_region): Update comment.
16944 (expand_eh_region_end): Expand handlers here, rater than waiting
16945 until expand_leftover_cleanups or start_all_catch.
16946 (expand_leftover_cleanups): Don't expand here.
16947 (expand_start_all_catch): Or here.
16948 (expand_rethrow): Check the return value from find_func_region.
16949 * function.c (expand_function_end): Emit the catch_clauses.
16951 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16953 * integrate.c (expand_inline_function): Add necessary check for NULL.
16955 1999-11-18 Nick Clifton <nickc@cygnus.com>
16957 * toplev.c (main): Correctly detect an unrecognised option.
16959 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16960 a -f option if it has not been recognised.
16962 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16964 * basic-block.h (update_life_extent): Remove trailing comma on
16965 enumeration type list.
16967 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16969 * varasm.c (output_constructor) Solved problem with long long
16970 bitfields. Corrected calculating this_time and shift. Also
16971 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16973 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16975 * flow.c (split_edge): Take looping structure into account when
16976 determining where to put the new block note.
16978 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16980 * Makefile.in (ggc-none.o): Provide host specific version if
16983 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16985 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16986 containing subregs too.
16988 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16990 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16991 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16992 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16993 (text_section): Add switches -munint-const-in-rodata and
16994 -mno-uninit-const-in-rodata.
16995 (ASM_OUTPUT_COMMON): Remove.
16996 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16997 const objects should be placed in read-only data. Otherwise declare
17000 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
17002 * jump.c (jump_optimize_1): Revert last change.
17004 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
17006 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
17007 test if optimizing for size.
17009 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17011 * Makefile.in (toplev.o): Depend on except.h.
17012 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
17014 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17016 * i386.md (divmodsi4): Rewrite to expander.
17017 (*divmodsi4_nocltd): New.
17018 (*divmodsi4_cltd): New.
17019 (divmodsi4 splitter): Handle the case when input comes in edx.
17020 (udivmodhi4): Do not use constraints in exander.
17021 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
17023 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
17025 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
17026 for the common case.
17028 1999-11-16 Jakub Jelinek <jakub@redhat.com>
17030 * explow.c (hard_function_value): Add outgoing argument.
17031 * expr.h (hard_function_value): Declare it.
17032 * calls.c (expand_call, emit_library_call_value): Update callers.
17033 * function.c (aggregate_value_p): Ditto.
17034 (diddle_return_value): Must look at the outgoing registers
17035 on archs with register windows.
17037 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
17039 * alpha.c (alpha_build_va_list): Use make_lang_type and
17040 initialize TYPE_NAME for the va_list record.
17042 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
17044 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
17046 * ggc.h (struct ggc_statistics): Rearrange elements for better
17047 packing on 64-bit hosts.
17048 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
17049 (compute_nearerout): Likewise.
17051 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
17053 * config/rs6000/rs6000.c (first_reg_to_save): Save
17054 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
17056 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
17058 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
17059 notion of nesting to find the DIE for a type or function.
17060 DIEs can go in limbo even if we got a context_die.
17061 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
17062 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
17064 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
17065 (gen_type_die): Writing out the context doesn't cause member class
17066 template instantiations to be written out as well.
17068 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
17070 * rs6000.h (ASM_OUTPUT_DEF): New.
17071 Based on proposed addition from David Edelsohn.
17073 1999-11-15 Robert Lipe <RobertLipe@usa.net>
17074 Bruce Korb <autogen@linuxbox.com>
17076 * fixinc/inclhack.def
17077 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
17078 (unixware7_byteorder_fix): added. Removes conflicts for new defs
17080 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
17081 (svr4_endian): enabled with SVR5
17082 (svr4_mkdev): simplified syntax and enabled with SVR5
17084 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
17086 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
17087 * configure: Rebuilt.
17088 * config/t-freebsd-thread: New file.
17090 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
17092 * i386.c (ix86_decompose_address): Verify the base is a REG
17093 before trying to examine its register number.
17095 * basic-block.h: Remove all #defines and prototypes related to
17097 (free_bb_mem, compute_preds_succs): Remove prototype.
17098 * rtl.h (free_bb_mem): Remove prototype.
17099 * flow.c (alloc_int_list_node); Remove function.
17100 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
17101 (compute_preds_succs, free_bb_mem): Likewise.
17102 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
17103 * toplev.c (rest_of_compilation): Likewise.
17104 * haifa-sched.c (build_control_flow): Use flow generated edge
17105 list to build the haifa specific edge list.
17106 (find_rgns): Use new CFG data structures instead of pred/succ lists.
17107 (schedule_insns): Do not build pred/succ lists anymore. Instead
17108 build the edge table.
17110 * basic-block.h (dump_bb_data): Remove declaration.
17111 * flow.c (dump_bb_data): Remove function.
17112 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
17113 (sbitmap_union_of_predsucc): Likewise.
17115 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
17116 argument. All callers changed.
17117 (delete_null_pointer_checks_1): No longer need to compute the
17120 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
17121 All callers changed.
17122 (pre_expr_reaches_here_p_work): Likewise.
17123 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
17124 * lcm.c (compute_laterin): Fix initialization of LATER.
17125 (compute_nearerout): Similarly for NEARER.
17127 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17129 * cse.c (set_nonvarying_address_components): Delete unused function.
17130 (refers_to_p): Likewise.
17132 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
17134 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
17137 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17139 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
17140 definition in do while (0).
17142 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
17144 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
17146 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
17148 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
17150 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17152 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
17153 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
17154 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
17155 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
17157 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
17158 saved on the stack. Output more accurate stack frame statistics
17159 into assembler file.
17161 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
17163 * genextract.c (record_insn_name): New function.
17164 (get_insn_name): No longer a stub.
17165 (main): Call record_insn_name for each insn. After each label
17166 written, print the insn name in a comment.
17168 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17170 * output.h (const_section, init_section, fini_section): Add
17173 * alpha/elf.h (const_section): Delete declaration.
17175 * svr4.h (const_section): Likewise.
17177 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
17179 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
17180 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
17181 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
17183 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
17184 variable-sized array bounds.
17186 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
17188 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
17191 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17193 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
17194 addresses the same way GO_IF_LEGITIMATE_INDEX does.
17196 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17198 * cse.c (hash_arg_in_struct): Delete.
17199 (struct table_elt): Delete elt in_struct.
17200 (struct set): Delete elt src_in_struct.
17201 (merge_equiv_classes): Don't set either hash_arg_in_struct or
17202 the corresponding in_struct elts.
17203 (canon_hash): Likewise.
17204 (safe_hash): Likewise.
17205 (find_best_addr): Likewise.
17206 (record_jump_cond): Likewise.
17207 (cse_insn): Likewise.
17209 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
17211 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
17213 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
17216 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
17218 * function.c (diddle_return_value): Put back check that the DECL_RTL
17219 for the function is a register.
17221 * function.c (diddle_return_value): Use hard_function_value to
17222 get an rtx suitable for use in the USE/CLOBBER insn.
17224 * global.c (global_conflicts): Update comments.
17225 (record_conflicts): No need to record conflicts between pseudos here.
17227 1999-11-11 Bruce Korb <autogen@linuxbox.com>
17229 * fixinc/fixincl.c: Added verbose levels for status messages
17231 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17233 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
17234 operand as argument to expand_and or expand_binop.
17236 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
17238 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
17239 gcc_add_string_root.
17241 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
17243 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
17245 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
17247 * flow.c (compute_flow_dominators): Initially put all blocks on
17249 * lcm.c (compute_antinout_edge, compute_available): Similarly.
17250 * gcse.c (compute_cprop_avinout): Remove.
17251 (compute_cprop_data): Use compute_available.
17252 (delete_null_pointer_checks_1): Use compute_available.
17254 * basic-block.h (compute_available): Returns a void now.
17255 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
17256 to return a value anymore.
17257 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
17258 worklists. Fix boundary cases. Compute maximal solutions.
17259 (compute_laterin, compute_nearerout): Similarly.
17261 * dwarf2out.c (add_AT_location_description): Allow
17262 (mem (plus (pseudo) (...)) too.
17264 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
17266 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
17268 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
17269 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17271 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
17273 * gansidecl.h: Likewise.
17279 * toplev.h: Likewise.
17281 * tree.c: Likewise.
17283 * tree.h: Likewise.
17285 * varray.c: Likewise.
17287 * varray.h: Likewise.
17289 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
17291 * gcov.c (struct arcdata): Add hits and total, remove prob.
17292 (output_branch_counts): New.
17293 (process_args): Set output_branch_counts if -c.
17294 (calculate_branch_probs): Store hits and total instead of
17296 (output_data): Emit counts if output_branch_counts is true.
17297 * gcov.texi (Invoking Gcov): Document -c switch..
17299 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
17301 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
17302 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
17304 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
17306 * invoke.texi (C Dialect Options): Add missing builtins from
17307 c-common.c to list.
17308 * extend.texi (Other Builtins): Copy to this list.
17310 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17312 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
17313 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
17314 redundant bitmap.h.
17316 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
17318 * flow.c (compute_flow_dominators): No longer treat basic block 0
17319 or (n_basic_blocks - 1) specially. Clear the AUX field before
17320 starting computation of doms/pdoms. Fix initial state for pdoms.
17322 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17324 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
17325 match rtl.o's: added ggc.h and toplev.h
17326 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
17327 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
17328 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
17330 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
17332 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
17333 from HAVE_DOS_BASED_FILESYSTEM.
17334 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
17335 HAVE_DOS_BASED_FILESYSTEM.
17337 (split_directories): Only special-case DOS file names if
17338 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
17339 instead of explicit tests. Conditionalize on !VMS.
17340 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
17341 tests. Conditionalize on !VMS.
17342 (process_command): Only use make_relative_prefix if !VMS.
17343 (free_split_directories): Conditionalize on !VMS.
17344 (DIR_UP): Conditionalize on !VMS.
17346 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
17348 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
17350 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
17352 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
17355 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
17357 * invoke.texi (Environment Variables): Document relative path
17359 * gcc.c (DIR_UP): If not defined, define as "..".
17360 (standard_bindir_prefix): New static, holds target location to
17362 (split_directories): New function to split a filename into
17363 component directories.
17364 (free_split_directories): New function, release memory allocated
17365 by split_directories.
17366 (make_relative_prefix): New function, make a relative pathname if
17367 the compiler is not in the expected location.
17368 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
17369 can figure out an appropriate prefix from argv[0].
17370 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
17371 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
17372 STANDARD_BINDIR_PREFIX.
17374 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17376 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
17378 * config/c4x/c4x.h: Moved prototypes to c4x.h.
17379 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
17380 c4x_secondary_memory_needed) Delete.
17381 (fp_zero_operand): Add mode argument.
17383 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
17385 * reload1.c (reload_reg_free_for_value_p): Don't use a register
17386 that is in reload_reg_used.
17388 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
17390 * config/arm/arm-protos.h: New file: Prototypes for functions
17391 defined in arm.c and pe.c.
17392 * config/arm/arm.h: Fix compile time warnings.
17393 * config/arm/arm.c: Fix compile time warnings.
17394 * config/arm/pe.h: Fix compile time warnings.
17395 * config/arm/aout.h: Fix compile time warnings.
17397 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
17399 * config/m32r/m32r-protos.h: New file: Prototypes for functions
17402 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
17403 Add support for subtargets.
17404 Add prototypes for new predicates.
17405 Add scheduling macros.
17407 * config/m32r/m32r.c: Fix compile time warnings.
17408 (int8_operand): New predicate function.
17409 (reg_or_cmp_int16_operand): New predicate function.
17410 (extend_operand): New predicate function.
17411 (m32r_adjust_code): New scheduling function.
17412 (m32r_adjust_priorty): New scheduling function.
17413 (m32r_sched_init): New scheduling function.
17414 (m32r_sched_reorder): New scheduling function.
17415 (m32r_sched_variable_issue): New scheduling function.
17416 (direct_return): New codegen function.
17417 (m32r_not_same_reg): New rtl testsing function.
17419 * config/m32r/m32r.md: Fix compile time warnings.
17420 Add support for pre decrement and post increment memory
17422 Add S<cc> patterns.
17425 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17427 * global.c (EXECUTE_IF_CONFLICT): Don't define.
17428 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
17429 (find_reg): Likewise.
17431 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
17433 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
17434 to avoid assembler errors.
17436 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
17438 * config/v850/v850-protos.h: New file: Prototypes for functions
17440 * config/v850/v850.h: Move prototypes to v850-protos.h
17441 * config/v850/v850.c: Move prototypes to v850-protos.h
17442 * config/v850/v850.md: Fix compile time warnings.
17444 * config/fr30/fr30-protos.h: New file: Prototypes for functions
17446 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
17447 * config/fr30/fr30.c: Fix compile time warnings.
17448 * config/fr30/fr30.md: Fix compile time warnings.
17450 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
17452 * tree.h (get_containing_scope): Declare it.
17453 * tree.c (get_containing_scope): New fucntion.
17454 (decl_function_context): Use it.
17455 * toplev.c (rest_of_compilation): Use get_containing_scope.
17457 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17459 * Makefile.in (rtl.o): Depend on toplev.h.
17461 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
17463 * cse.c (delete_trivially_dead_insns): Replace alloca with
17465 * except.c (update_rethrow_references): Likewise.
17466 (init_eh_nesting_info): Likewise.
17467 * function.c (identify_blocks): Likewise.
17468 * gcse.c (dump_hash_table): Likewise.
17469 * graph.c (print_rtl_graph_with_bb): Likewise.
17470 * loop.c (combine_movables): Likewise.
17471 (move_movables): Likewise.
17472 (count_loop_regs_set): Likewise.
17473 (strength_reduce): Likewise.
17474 * profile.c (compute_branch_probabilities): New function, split
17476 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
17477 * regclass.c (regclass): Likewise.
17478 * regmove.c (regmove_optimize): Likewise.
17479 * toplev.c (compile_file): Likewise.
17480 (main): Don't mess with the stack rlimit.
17482 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
17484 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
17485 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
17487 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
17489 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
17491 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
17493 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
17494 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
17497 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
17499 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
17501 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
17503 * gcse.c (post_dominators): Kill.
17504 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
17505 (compute_code_hoist_data): Use compute_flow_dominators. Do not
17506 pass in a pdom array since we do not need pdoms.
17507 * haifa-sched.c (schedule_insns): Similarly.
17508 * flow.c (compute_dominators): Remove dead function.
17509 (compute_flow_dominators): Do not compute doms or pdoms if the
17510 caller does not request them. Split up loop to build doms and
17511 pdoms. Use a worklist to compute doms and pdoms.
17512 * basic-block.h (compute_dominators): Remove prototype.
17514 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17516 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17517 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17518 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17519 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17520 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17521 (schedule_region): Remove unused variable.
17522 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17524 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17526 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17527 (update_equiv_regs): Likewise.
17528 (block_alloc): Likewise.
17529 * reg-stack.c (reg_to_stack): Likewise.
17530 (convert_regs_2): Likewise.
17531 * reload1.c (reload_as_needed): Likewise.
17533 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17535 * Makefile.in (dbxout.o): Depend on ggc.h.
17536 (dwarf2out.o): Likewise.
17537 (xcoffout.o): Likewise.
17538 * dbxout.c: Include ggc.h.
17539 (dbxout_init): Register lastfile as a root.
17540 * dwarf2out.c: Include ggc.h.
17541 (dwarf2out_line): Register lastfile as a root.
17542 * xcoffout.c: Include ggc.h.
17543 (xcoffout_source_line): Register xcoff_lastfile as a root.
17545 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17547 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17549 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17551 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17553 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17555 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17557 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17558 (EXECUTE_IF_CONFLICT): Likewise.
17559 (ALLOCNO_LIVE_P): Avoid signed division.
17560 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17561 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17562 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17564 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17566 * haifa-sched.c (schedule_block): Don't crash if there's no
17567 next insn for an interblock movement.
17568 (add_branch_dependences): Don't allow clobber insns to move either.
17570 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17572 * i386.c (split_xf): New.
17573 * i386-protos.h: Declare it.
17574 * i386.md (movxf_1): Add general regs alternatives.
17575 (movxf_1+1): New splitter for same.
17577 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17579 * function.c (purge_addressof_1): Add missing return values.
17581 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17583 * function.c (is_addressof): New function. Returns true if
17584 the given piece of RTL is an ADDRESSOF.
17585 (purge_addressof_1): Make boolean. Return false if the
17586 ADDRESSOFs could not be purged.
17587 (purge_addressof): If ADDRESSOFs could not be purged from the
17588 notes attached to an insn, remove the offending note(s),
17589 unless they are attached to a libcall.
17591 1999-11-05 Andreas Jaeger <aj@suse.de>
17593 * genoutput.c (null_operand =): Initialize all fields.
17595 * errors.h: Add extern to prototypes.
17597 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17599 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17600 * configure: Rebuilt.
17602 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17604 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17605 (mirror_conflicts): New function.
17606 (global_alloc): Call it.
17607 (expand_preferences): Remove redundant CONFLICTP test.
17608 (find_reg, dump_conflicts): Likewise.
17609 (prune_preferences): Process conflicts one word at a time.
17611 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17613 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17614 instead of an explicit loop.
17616 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17618 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17619 if REG_RETVAL check succeeds, then put classp in src_elt.
17621 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17623 * function.c (pad_to_arg_alignment): Only update argument_pad
17624 if the argument's alignment is greater than STACK_BOUNDARY.
17626 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17628 * bitmap.h (BITMAP_XFREE): New.
17629 * flow.c (life_analysis): Use it.
17630 (life_analysis_1): Free blocks.
17632 * combine.c (undo_commit): New.
17633 (try_combine): Use it. Don't zap undobuf.undos.
17634 (combine_instructions): Don't zap undobuf.undos; free the
17635 undobuf.frees list.
17637 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17639 * stmt.c (cost_table_): New.
17640 (estimate_case_costs): Use it instead of xmalloc.
17642 * toplev.c (compile_file): Reuse dumpname memory instead
17645 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17647 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17648 after verifying an EH edge.
17650 * haifa-sched.c (init_rgn_data_dependences): Correctly
17651 size bb_pending_lists_length when zeroing.
17653 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17655 * function.c (diddle_return_value): New.
17656 (expand_function_end): Use it.
17657 * stmt.c (expand_null_return): Likewise.
17658 (expand_value_return): Likewise.
17660 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17662 * reload1.c (reload): Don't remove return value clobbers.
17664 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17666 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17668 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17670 * cse.c (cse_main): Use xmalloc, not alloca.
17671 (cse_basic_block): Likewise.
17672 * local-alloc.c (local_alloc): Likewise.
17674 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17675 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17677 * rtl.c: Include toplev.h.
17678 (fatal): Remove declaration.
17680 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17682 * haifa-sched.c (schedule_block): Fix thinko.
17684 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17686 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17687 S_IR* defined values
17689 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17691 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17692 call `malloc' instead.
17694 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17696 * flags.h (flag_renumber_insns): Declare.
17697 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17699 * rtl.h (renumber_insns): Change prototype.
17700 * toplev.c (flag_renumber_insns): Define.
17701 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17703 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17705 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17706 and fpsqrtd. Use them and create fdiv function unit to more
17707 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17708 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17710 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17712 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17714 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17715 insn into ready list, do not use just a raw swap.
17717 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17719 * rtl.h (renumber_insns): New function.
17720 (remove_unnecessary_notes): Likewise.
17721 * emit-rtl.c (renumber_insns): Define.
17722 (remove_unncessary_notes): Likewise.
17723 * toplev.c (rest_of_compilation): Remove dead code.
17724 Use renumber_insns and remove_unncessary_notes.
17726 * gcse.c (struct null_pointer_info): New type.
17727 (get_bitmap_width): New function.
17728 (current_block): Remove.
17729 (nonnull_local): Likewise.
17730 (nonnull_killed): Likewise.
17731 (invalidate_nonnull_info): Take a null_pointer_info as input.
17732 (delete_null_pointer_checks_1): New function.
17733 (delete_null_pointer_checks): Use it.
17735 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17736 (split_edges): Likewise.
17737 (schedule_block): Likewise.
17738 (compute_block_backward_dependencies): Likewise.
17739 (schedule_region): Likewise.
17740 (schedule_insns): Likewise.
17742 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17744 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17745 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17746 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17747 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17748 * jump.c (delete_unreferenced_labels): Don't delete if
17749 LABEL_ALTERNATE_NAME is set.
17750 * print-rtl.c (print_rtx): Dump alternate name.
17751 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17752 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17753 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17754 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17756 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17758 * fix-header.c (recognized_extern, recognized_function): Constify
17761 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17762 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17763 (compute_available): Remove unused variable `last'.
17764 (compute_nearerout): Remove unused variable `temp_bitmap'.
17765 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17766 Remove unused variable `x'.
17768 * scan.h (recognized_function, recognized_extern): Constify a
17771 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17773 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17775 * varasm.c (decode_rtx_const): Use XSTR to access the string
17778 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17780 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17782 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17784 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17786 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17788 * pa.c (ireg_operand): New function.
17789 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17790 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17791 Fix out of date comment.
17793 * pa.md (negdi2): Turn into expander + anonymous pattern.
17795 * reload.c (find_reloads): Fix typos in recent change.
17797 * dwarf2out.c: Do not include ctype.h.
17799 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17801 * regclass.c (record_reg_classes): Always use may_move_cost when
17802 seeing how operand fits with various register classes.
17804 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17806 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17807 * toplev.c: Revert Nov 1 13:22 change.
17809 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17811 * config/pa/pa.md (height reduction patterns): Add checks for
17812 overlapping operands to avoid semantic-destroying splits for
17813 height reduction patterns.
17815 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17817 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17818 have been an hyphen, fixed.
17819 * configure: Rebuilt.
17821 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17823 * config/arm/tpe.h: Add prototypes for exported functions.
17824 * config/arm/pe.c: Fix compile time warnings.
17825 * config/arm/semi.h: Fix compile time warnings.
17826 * config/arm/arm.c: Fix compile time warnings.
17827 * config/arm/arm.h: Fix compile time warnings.
17828 * config/arm/arm.md: Fix compile time warnings.
17829 * config/arm/thumb.c: Fix compile time warnings.
17830 * config/arm/thumb.h: Fix compile time warnings.
17831 * config/arm/thumb.md: Fix compile time warnings.
17833 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17835 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17838 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17839 completely unrolled.
17841 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17843 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17845 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17847 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17848 * rtl.h (rtx_equal_p): Move prototype.
17849 * rtl.c (rtx_equal_function_value_matters): Move from
17851 (rtx_equal_p): Likewise.
17852 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17853 (rtx_equal_p): Likewise.
17855 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17857 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17858 ! HAS_INIT_SECTION.
17860 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17862 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17864 * pa.h (ADDR_VEC_ALIGN): Define.
17866 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17867 notes when presented with "if (foo) break; end_of_loop" and
17868 the break sequence gets moved out of the loop.
17870 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17871 Remove explicit zero initializations of entries within MAP.
17873 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17875 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17877 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17879 * bitmap.h (BITMAP_XMALLOC): New macro.
17880 * flow.c (CLEAN_ALLOCA): Remove.
17881 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17882 (life_analysis): Likewise.
17883 (update_life_info): Don't use CLEAN_ALLOCA.
17884 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17885 (calculate_global_regs_live): Likewise.
17886 (print_rtl_with_bb): Likewise.
17887 (verify_flow_info): Likewise.
17888 * global.c (global_alloc): Likewise.
17889 (global_conflicts): Likewise.
17890 * integrate.c (save_for_inline_nocopy): Likewise.
17891 (expand_inline_function): Likewise.
17892 * jump.c (jump_optimize_1): Likewise.
17893 (duplicate_loop_exit_test): Likewise.
17894 (thread_jumps): Likewise.
17895 * loop.c (loop_optimize): Likewise.
17896 (combine_givs): Likewise.
17897 (recombine_givs): Likewise.
17898 * reorg.c (dbr_schedule): Likewise.
17899 * unroll.c (unroll_loop): Likewise.
17901 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17903 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17905 * toplev.c (rest_of_compilation): Don't optimize the CFG
17906 when rebuilding, just before dbr.
17908 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17910 * output.h (assemble_end_function, assemble_destructor,
17911 assemble_constructor, assemble_gc_entry, assemble_global,
17912 assemble_label, output_constant_pool) Constify a char*.
17914 * varasm.c (assemble_destructor, assemble_constructor,
17915 assemble_gc_entry, assemble_end_function, assemble_global,
17916 assemble_label, output_constant_pool): Likewise.
17918 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17920 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17921 explaining what is goin on in this function.
17923 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17925 * regclass.c (record_reg_classes): In matching case, recompute
17926 costs since the direction of movement is different.
17928 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17930 * resource.c (mark_target_live_regs): For unconditional branches,
17931 the resources found at the branch target should be added to the
17932 resources found so far, not intersected.
17934 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17936 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17938 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17939 (sys/mman.h): Include this file only if #HAVE_MMAP.
17940 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17941 with automatically concatenated ANSI strings.
17943 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17945 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17946 (DIV_ROUND_UP): Robustify.
17947 (ggc_recalculate_in_use_p): New function.
17948 (release_pages): Don't inline it.
17949 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17951 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17952 (clear_marks): Always save in_use_p.
17953 (sweep_pages): Use ggc_recalculate_in_use_p.
17954 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17955 Release pages before counting statistics.
17957 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17959 * toplev.c (rest_of_compilation): Fix thinko in this change:
17961 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17963 (rest_of_compilation): If inside an inlined external function,
17964 pretend we are just being declared.
17966 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17968 * flow.c (calculate_global_regs_live): Fix thinko.
17970 * integrate.c (expand_inline_function): Fix bugs in previous
17971 change from Oct 28, 1999.
17973 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17975 * stmt.c (expand_value_return): Fix typo in this change:
17977 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17978 (expand_value_return): Correctly convert VAL when promoting function
17979 return; support RETURN_REG being a PARALLEL.
17981 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17983 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17985 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17987 * hard-reg-set.h (reg_names): Constify a char*.
17989 * regclass.c (reg_names): Likewise.
17991 * regs.h (reg_names): Likewise
17993 * a29k/a29k.c (reg_names): Delete declaration.
17995 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17997 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17998 arc_output_function_epilogue): Likewise.
18000 * elxsi/elxsi.c (reg_names): Likewise.
18002 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
18004 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
18007 * m88k/m88k.c (output_function_profiler): Likewise.
18009 * sparc/sparc.c (sparc_flat_output_function_prologue,
18010 sparc_flat_output_function_epilogue): Likewise.
18012 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
18014 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
18015 warning from -Wuninitialized and put it under -W.
18016 * function.c (uninitialized_vars_warning): Warn only when the
18017 corresponding flag is set.
18019 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
18021 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
18022 is nonzero and the single set does not have an elt, then assign
18025 * simplify-rtx.c: New file.
18026 * Makefile.in (OBJS): Add simplify-rtx.o
18027 (simplify-rtx.o): Add dependencies.
18028 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
18029 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
18030 (cse_gen_binary, simplify_unary_operation): Delete.
18031 (simplify_binary_operation, simplify_plus_minus): Likewise.
18032 (check_fold_consts, simplify_relation_operation): Likewise.
18033 (simplify_ternary_operation): Likewise.
18034 (delete_trivially_dead_insns): Simplify the contents of the
18035 REG_EQUAL note before trying to substitute it into the source
18036 of the reg-reg copy at the end of a libcall sequence.
18038 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
18039 references/callers changed.
18041 * mn10200.c (mn10200_va_arg): Force the return value into a
18044 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
18046 * cccp.c (macroexpand): Avoid out of range accesses for omitted
18049 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
18051 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
18053 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
18055 * fold-const.c (fold): Fix thinko when optimizing comparisons
18058 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
18060 * gcc.texi (Passes): Update front-end files to their current
18063 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
18065 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
18066 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
18067 (PREDICATE_CODES): Add addition_operation.
18068 * alpha-protos.h (addition_operation): Declare.
18069 (secondary_reload_class): Likewise.
18070 * alpha.c (addition_operation): New.
18071 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
18072 * alpha.md (adddi3): Turn into expander.
18073 (*lda, *adddi_2): New.
18074 (movsf, movdf patterns): Don't preference integer regs.
18075 (movsi, movdi patterns): Don't preference fp regs.
18077 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
18079 * genrecog.c (write_switch): Check for duplicate CODE cases.
18081 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
18083 * ggc-common.c: Update pre-function commentary.
18084 * ggc-page.c: Likewise.
18086 (poison_pages): Use memset directly.
18087 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
18088 (ggc_collect): Poison before sweeping.
18089 * ggc-simple.c: Update pre-function commentary.
18090 (ggc_alloc_obj): Poison non-zeroed memory.
18092 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
18094 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
18095 match format string, even on 64-bit hosts.
18096 * gcc-page.c (ggc_page_print_statistics): Likewise.
18098 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
18100 * config/i386/i386.c (ix86_cpu): Revert last patch.
18101 * config/i386/i386.h (ix86_cpu): Ditto.
18103 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
18105 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
18106 TYPE_SIZE, convert type of result to sizetype.
18108 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
18110 * flow.c (count_or_remove_death_notes): Equate NULL with the
18113 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
18114 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
18117 * i386.c (pic_label_no): Delete.
18118 (ix86_attr_length_default): Don't use single_set to peek
18121 * recog.c (peephole2_optimize): Allow recog_next_insn to index
18122 the first insn after bb->end.
18123 * i386.md (push mem peeps): Scratch is live after evaluation
18125 (cmp mem peep): Similarly.
18127 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
18129 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
18130 * function.c (pad_to_arg_alignment): Add missing braces.
18132 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18134 * alpha/alpha-protos.h (literal_section): Add prototype.
18135 (alpha_need_linkage, alpha_start_function,alpha_end_function):
18138 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
18140 (alpha_start_function, alpha_end_function, float_strings,
18141 alpha_need_linkage): Constify a char*
18143 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
18145 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
18147 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
18149 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
18151 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18153 * flow.c (debug_flow_info): Add prototype.
18155 * gcc.c (main): Likewise.
18157 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
18160 * reload1.c (failed_reload, set_reload_reg): Likewise.
18162 * mips-tfile.c (main): Likewise.
18163 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
18164 with ATTRIBUTE_NORETURN.
18166 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
18168 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
18169 DECL is not a memory ref.
18171 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
18173 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
18174 * config/i386/i386.c (ix86_cpu): Add extern attribute.
18176 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
18178 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
18179 * config/mips/elf64.h: ditto.
18181 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
18183 * expr.c (emit_push_insn): New argument alignment_pad.
18184 Update all callers. Adjust stack pointer based on alignment pad.
18185 * function.c (pad_to_arg_alignment): New argument alignment_pad.
18186 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
18187 (locate_and_pad_parm): New argument alignment_pad. Update all
18189 * expr.h (emit_push_insn): Update prototype.
18190 (locate_and_pad_parm): Update prototype.
18191 * calls.c (arg_data): Add new field alignment_pad.
18192 (initialize_argument_information): Initialize alignment_pad.
18194 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
18196 * except.c (free_eh_nesting_info): Free the info itself.
18197 * function.c (free_after_compilation): Don't free NULL.
18198 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
18199 (pre_edge_insert): Free inserted.
18200 * stmt.c (free_stmt_status): Don't free NULL.
18202 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18204 * gcov.c (DIR_SEPARATOR): Provide default.
18205 (output_data): Add test for MS-DOS format absolute filename.
18206 (fancy_abort): Correct program name.
18207 (open_files): Open all files in binary mode.
18208 * libgcc2.c (__bb_exit_func): Likewise.
18210 * profile.c (init_branch_prob): Specify binary when opening files.
18212 * flags.h (flag_unwind_tables): New decl.
18213 * toplev.c (flag_unwind_table): New definition.
18214 (f_options): Add -funwind-tables.
18215 (decode_g_option): Clarify warning when unknown -g option is given.
18216 (rest_of_compilation): If inside an inlined external function,
18217 pretend we are just being declared.
18219 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
18220 (dwarf2out_frame_finish): Likewise.
18222 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
18224 * fold-const.c (merge_ranges): If not in0, but in1, handle
18225 upper bounds equal like subset case.
18227 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
18229 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
18230 passed in a register but moved to the stack.
18232 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
18234 * gcc.c (pass_exit_codes, greatest_status): New variables.
18235 (struct option_map): Add entry for "--pass-exit-codes".
18236 (execute): Update greatest_status if error.
18237 (display_help): Add documentation for -pass-exit-codes.
18238 (process_command): Handle -pass-exit-codes.
18239 (main): Look at pass_exit_codes and greatest_status on call to exit.
18241 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18243 * reload.c (find_reloads): Refine test for no input reload
18244 case to not includes reloads emitted after insn.
18246 * function.c (find_temp_slots_from_address): Handle sum involving
18247 a register that points to a temp slot.
18248 (update_temp_slot_address): Make recursive call if both old and
18249 new are PLUS with a common operand.
18250 * calls.c (expand_call): Mark temp slot for result as having
18253 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
18255 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
18256 component as well as "BINUTILS".
18258 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
18259 * integrate.c (copy_rtx_and_substitute): Likewise.
18260 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
18261 All callers changed.
18262 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
18264 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
18265 gdb extensions, write size of type; also be more consistent
18266 in using references when this is a subtype.
18268 * pa.md (extv, extzv, insv): Use define_expand to reject constant
18269 that is out of range.
18271 * loop.c (unknown_constant_address_altered): New variable.
18272 (prescan_loop): Initialize it.
18273 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
18274 (invariant_p, case MEM): Remove handling for volatile and readonly;
18275 check new variable if readonly.
18276 (check_dbra_loop): Chdeck unknown_constant_address_altered.
18278 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
18279 (addr_affects_sp_p): Removed from note_mem_written and only
18280 define #ifdef AUTO_INC_DEC.
18282 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
18284 * regclass.c (record_reg_classes): Properly handle register move
18287 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
18288 Don't think valid if both operands are invalid.
18289 (struct constant_descriptor): New field RTL.
18290 (mark_const_hash_entry): Mark it.
18291 (record_constant{,_rtx}): Initialize it.
18292 (output_constant_def): Allocate RTL in permanent obstack and
18294 ({record,compare}_constant_1): Modes must match for
18295 CONSTRUCTOR of ARRAY_TYPE.
18297 * c-common.h (initializer_constant_valid_p): Delete decl from here.
18298 * output.h (initializer_constant_valid_p): Move decl to here.
18299 * c-common.c (initializer_constant_valid_p): Delete function from here.
18300 * varasm.c (initializer_constant_valid_p): Move function to here.
18302 * tree.h (STRIP_SIGN_NOPS): New macro.
18303 * fold-const.c (optimize_minmax_comparison): New function.
18304 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
18305 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
18306 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
18307 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
18308 widening conversions.
18309 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
18310 to look at size of mode, not precision of type; also add missing cases.
18311 (optimize_bit_field_compare, decode_field_reference): Don't try to
18312 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
18314 * dwarf2out.c (ctype.h): Include.
18315 (dwarf2out_set_demangle_name_func): New function.
18316 (size_of_line_info): Deleted.
18317 (output_line_info): Compute size of line info table from difference
18319 (base_type_die, add_name_attribute): Call demangle function, if any.
18320 (field_byte_offset): Use bits per word for variable length fields.
18321 (gen_array_type_die): Add array name.
18322 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
18323 (dwarf2out_add_library_unit_info): New function.
18325 * explow.c (set_stack_check_libfunc): New function.
18326 (stack_check_libfunc): New static variable.
18327 (probe_stack_range): Allow front-end to set up a libfunc to call.
18329 * combine.c (simplify_comparison): When making comparison in wider
18330 mode, check for having commuted an AND and a SUBREG.
18331 (contains_muldiv): New function.
18332 (try_combine): Call it when dividing a PARALLEL.
18333 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
18334 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
18336 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
18337 use one of the CLOBBERs instead.
18338 (if_then_else_cond): If comparing against zero, just return thing
18341 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
18342 Don't generate shifts and subtract if have conditional arithmetic.
18344 * rtl.h (delete_barrier): New declaration.
18345 * jump.c (jump_optimize): Set up to handle conditional call.
18346 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
18347 (delete_barrier): New function.
18349 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
18351 * recog.c (nonmemory_operand): Accept ADDRESSOF.
18353 * tree.c (build_type_attribute_variant): Push to obstack of
18354 ttype around type_hash_canon call.
18356 * expr.c (placeholder_list): Move decl to file scope.
18357 (expand_expr): Don't force access to volatile just because its
18359 If ignoring reference operations, just expand the operands.
18360 (expand_expr, case COMPONENT_REF): Propagate
18361 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
18362 Refine test for using bitfield operations vs pointer punning.
18363 (expand_expr, case CONVERT_EXPR): If converting to
18364 BLKmode UNION_TYPE from BLKmode, just return inner object.
18365 Use proper mode in store_field call.
18366 Properly set sizes of object to store and total size in store_field
18367 call for convert to union.
18368 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
18369 memory (like for ADDR_EXPR). Also, don't put constant in register if
18370 we'll want it in memory.
18371 (readonly_fields_p): New function.
18372 (expand_expr, case INDIRECT_REF): Call it if LHS.
18373 (expand_assignment): Handle a RESULT_DECL where
18374 DECL_RTL is a PARALLEL.
18375 (do_jump, case WITH_RECORD_EXPR): New case.
18376 (get_inner_reference): Always go inside a CONVERT_EXPR
18377 and NOP_EXPR if both modes are the same.
18378 (store_field): Use bitfield operations if size of bitsize is not same
18379 as size of RHS's type.
18380 Check for bitpos not a multiple of alignment in BLKmode case.
18381 Do block move in largest possible alignment.
18382 (store_constructor): Set BITSIZE to -1 for variable size and properly
18383 in case of array of BLKmode.
18384 (expand_expr_unaligned): New function.
18385 (do_compare_and_jump): Call it.
18387 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
18388 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
18389 does not include 'o'.
18391 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
18392 both SET_DEST and SET_SRC reference a virtual register.
18393 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
18395 * integrate.c (expand_inline_function): Handle case of setting
18396 virtual stack vars register (from built in setjmp); when parameter
18397 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
18398 (subst_constant): Add new parm, MEMONLY.
18399 (expand_inline_function, integrate_parm_decls): Pass new parm.
18400 (integrate_decl_tree): Likewise.
18401 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
18402 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
18403 (copy_rtx_and_substitute, case SET): Add explicit calls to
18404 copy_rtx_and_substitute for both sides.
18406 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
18408 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
18409 within INDEX_TYPE, instead of before.
18410 (fixup_gotos): Use f->target_rtl, not the next insn,
18411 since latter may be from a later fixup.
18412 (expand_value_return): Correctly convert VAL when promoting function
18413 return; support RETURN_REG being a PARALLEL.
18414 (expand_return): When checking for result in regs and having
18415 cleanup, consider PARALLEL in DECL_RTL as being in regs.
18417 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
18419 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
18420 last_nominal_fname): Mark const.
18421 (struct include_hash: name, nshort, control_macro): Mark
18423 (struct macrodef: symnam): Mark const.
18424 (struct if_stack: fname): Mark const.
18425 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
18426 (IStable): New character-syntax array which encompasses all
18427 the old is_foo arrays.
18428 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
18429 is_space): New macros for interrogating IStable.
18430 (check_macro_name): Kill last argument. All callers changed.
18432 * cppinit.c (initialize_char_syntax): Delete.
18433 (is_idchar, is_idstart, is_hor_space, is_space,
18434 trigraph_table): Delete.
18435 (IStable): New. Initialize with clever macros to avoid
18436 information duplication.
18437 (builtin_array): Table of builtins to get rid of explicit list
18438 in initialize_builtins.
18439 (initialize_builtins): Use builtins_array.
18440 (cpp_start_read): Call init_IStable, and set IStable['$'] if
18441 opts->dollars_in_ident.
18443 * cppexp.c: Change all refs to is_xyz[] arrays to use new
18445 (cpp_parse_expr): Avoid 'format string is not constant'
18446 warning. Use ISGRAPH to identify printable chars.
18447 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
18449 (read_and_prescan): Map trigraphs to chars with open-coded
18450 if-else-if-... sequence, not a lookup table.
18451 * cpphash.c: Change all refs to is_xyz[] arrays to use new
18453 * cpplib.c: Change all refs to is_xyz[] arrays to use new
18454 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
18455 (check_macro_name): Remove ability to report an invalid
18456 assertion name, which is never used.
18457 (do_line): Constify a couple of char *'s.
18458 * cppmain.c (main): Call cpp_cleanup before returning.
18460 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
18462 * ggc.h (struct ggc_statistics): New type.
18463 (ggc_get_size): New function.
18464 (ggc_print_statistics): Likewise.
18465 * ggc-common.c (ggc_stats): New variable.
18466 (ggc_mark_rtx_children): Keep statistics.
18467 (ggc_mark_tree_children): Likewise.
18468 (ggc_print_statistics): New function.
18469 * ggc-page.c (struct globals): Add bytes_mapped field.
18470 (alloc_anon): Update it.
18471 (release_pages): Likewise.
18472 (ggc_get_size): New function.
18473 (ggc_page_print_statistics): New function.
18474 * ggc-simple.c (ggc_get_size): New function.
18476 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
18478 * flow.c (propagate_block): When the last reference to a label
18479 before an ADDR_VEC is deleted because the reference is a dead
18480 store, delete the ADDR_VEC.
18482 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
18484 * resource.c (find_free_register): Don't use the frame pointer
18485 if frame_pointer_needed.
18487 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
18489 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
18490 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
18492 * config/i960/i960.c (i960_va_start): New locals base, num.
18493 Use INDIRECT_REF instead of ARRAY_REF on valist.
18494 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
18496 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
18498 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
18500 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
18502 * tree.def (PLACEHOLDER_EXPR): Update comments.
18504 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18506 * c-common.c (check_format_info): Avoid non-literal format string
18507 warnings when `first_arg_num' is zero.
18509 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18511 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18513 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18515 * arm.md (casesi_insn): Add a clobber of the condition code
18518 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18520 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18521 used by both cc1 and cc1plus.
18523 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18525 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18526 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18527 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18528 to the value 32 if it has not already been defined.
18529 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18530 Override definition in arm.h with a value of 8.
18532 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18534 * c-pragma.c (push_alignment): Don't check the return value
18537 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18539 * sparc.h (ADJUST_COST): Fix thinko.
18541 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18543 * cccp.c (rescan): Fixed obp pointer handling around call to
18544 check_expand subroutine.
18546 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18548 * gcse.c (delete_null_pointer_checks): Only record non-null info
18549 for pseudos when examining stores.
18551 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18552 splitters for these patterns. Use "#" for output templates.
18553 (addsi3_carryin_shift): New pattern.
18555 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18557 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18558 of the function return register into a plain REG until
18559 after function inlining is done.
18561 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18563 * jump.c (jump_optimize_1): If we did cross-jumping, and
18564 the data will matter, rebuild the CFG.
18565 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18566 not optimizing. Don't run shorten_branches.
18567 * toplev.c (rest_of_compilation): Run shorten_branches after
18570 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18572 * rtl.h (note_stores): Add additional paramter.
18573 * rtlanal.c (reg_set_p_1): Take additional paramter.
18574 (reg_set_last_1): Likewise.
18575 (reg_set_p): Adjust call to note_stores.
18576 (reg_set_last): Likewise.
18577 (note_stores): Pass data parameter to worker function.
18578 * alias.c (record_set): Take additional parameter.
18579 (init_alias_analysis): Pass it.
18580 * caller-save.c (mark_set_regs): Take additional parameter.
18581 (save_call_clobbered_regs): Pass NULL to note_stores.
18582 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18584 (record_dead_and_set_regs_1): Likewise.
18585 (reg_dead_at_p_1): Likewise.
18586 (combine_instructions): Adjust calls to note_stores.
18587 (try_combine): Likewise.
18588 (record_dead_insn): Remove.
18589 (record_dead_and_set_regs): Adjust calls to note_stores.
18590 (reg_dead_at_p): Likewise.
18591 * cse.c (invalidate_skipped_set): Take additional parameter.
18592 (cse_check_loop_start): Likewise.
18593 (cse_check_loop_start_value): Remove.
18594 (cse_set_around_loop): Adjust calls to note_stores.
18595 * flow.c (notice_stack_pointer_modification): Take additional
18596 parameter. Remove duplicate declaration.
18597 (record_volatile_insns): Adjust calls to note_stores.
18598 * gcse.c (record_set_info): Take additional parameter.
18599 (record_last_set_info): Likewise.
18600 (invalidate_nonnull_info): Likewise.
18601 (record_set_insn): Remove.
18602 (compute_sets): Adjust calls to note_stores.
18603 (last_set_insn): Remove.
18604 (compute_hash_table): Adjust calls to note_stores.
18605 (insert_insn_end_bb): Likewise.
18606 (delete_null_pointer_checks): Likewise.
18607 * global.c (mark_reg_store): Take additional parameter.
18608 (mark_reg_clobber): Likewise.
18609 (reg_becomes_live): Likewise.
18610 (global_conflicts): Adjust calls to note_stores.
18611 (build_insn_chain): Likewise.
18612 * integrate.c (note_modified_parmregs): Take additional parameter.
18613 (mark_stores): Likewise. Make it static.
18614 (save_for_inline_nocopy): Adjust calls to note_stores.
18615 (try_constants): Likewise.
18616 * integrate.h (mark_stores): Remove declaration.
18617 * jump.c (mark_modified_reg): Take additional parameter.
18618 (thread_jumps): Adjust calls to note_stores.
18619 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18621 (no_equiv): Likewise.
18622 (reg_is_set): Likewise.
18623 (validate_equiv_mem): Adjust calls to note_stores.
18624 (update_equiv_regs): Likewise.
18625 (block_alloc): Likewise.
18626 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18627 (note_addr_stored): Take additional parameter.
18628 (note_set_pseudo_multiple_uses): Likewise.
18629 (record_initial): Likewise.
18630 (prescan_loop): Adjust calls to note_stores.
18631 (strength_reduce): Likewise.
18632 (check_dbra_loop): Likewise.
18633 * regmove.c (flags_set_1): Take additional paramter.
18634 (mark_flags_life_zones): Adjust calls to note_stores.
18635 * reload1.c (mark_not_eliminable): Take additional parameter.
18636 (forget_old_reloads_1): Likewise.
18637 (reload_cse_invalidate_rtx): Likewise.
18638 (reload_cse_check_clobber): Likewise.
18639 (reload_combine_note_store): Likewise.
18640 (move2add_note_store): Likewise.
18641 (reload): Adjust calls to note_stores.
18642 (reload_as_needed): Likewise.
18643 (emit_reload_insns): Likewise.
18644 (reload_cse_regs_1): Likewise.
18645 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18646 (reload_combine): Adjust calls to note_stores.
18647 * resource.c (update_live_status): Take additional paramter.
18648 (mark_target_live_regs): Adjust calls to note_stores.
18649 * stupid.c (find_clobbered_regs): Take additional parameter.
18650 (stupid_life_analysis): Adjust calls to note_stores.
18652 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18654 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18657 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18660 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18661 of the variable arm_structure_size_boundary.
18663 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18665 * alias.c (init_alias_analysis): Allocate reg_known_value and
18666 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18668 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18669 * cse.c (cse_main): Call end_alias_analysis.
18670 * haifa-sched.c (schedule_insns): Likewise.
18671 * local-alloc. (update_equiv_regs): Likewise.
18672 * reload1.c (reload_cse_regs): Likewise.
18674 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18676 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18677 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18678 mapping from MASK_FPU.
18680 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18682 * sparc.md (call): Don't bound structure return size to 0xfff.
18684 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18686 * resource.c (mark_target_live_regs): Check that the target
18687 insn wasn't created after compute_bb_for_insn.
18689 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18691 * ggc-page.c (poison_pages): Don't be overzealous.
18693 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18695 * alias.c: Update comments for ADDRESS.
18696 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18697 it is a local memory reference.
18699 * c-typeck.c (build_function_call): Check that the built-in
18700 function is of class BUILT_IN_NORMAL before trying to recongize
18701 it as BUILT_IN_ABS.
18702 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18703 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18705 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18707 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18709 (pre_gcse): Likewise.
18710 (hoist_expr_reaches_here_p): Likewise.
18711 (hoist_code): Likewise.
18712 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18714 (pre_expr_reaches_here_p_work): ... here.
18715 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18717 (expr_reaches_here_p_work): ... here.
18719 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18721 * resource.c (find_basic_block): Delete.
18722 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18723 (init_resource_info): Call compute_bb_for_insn.
18725 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18727 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18728 with already adjacent blocks, but no fallthru.
18729 (merge_blocks_move_successor_nojumps): Simplify.
18730 (debug_flow_info): New.
18732 * toplev.c (rest_of_compilation): Open jump1 dump file before
18733 jump and close after, as opposed to just using dump_rtl.
18735 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18737 * reload.h (earlyclobber_operand_p): Declare.
18738 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18739 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18740 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18741 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18743 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18744 Richard Henderson <rth@cygnus.com>
18746 * emit-rtl.c (emit_block_insn_before): New.
18747 (emit_block_insn_after): New.
18748 * basic-block.h: Declare them.
18750 * bitmap.h: Protect from multiple inclusion.
18752 * recog.c (scratch_operand): Handle VOIDmode correctly.
18754 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18756 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18757 * function.c (assign_parms): Likewise.
18758 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18760 * reg-stack.c (max_uid): Remove.
18761 (blocks, block_begin, block_end, block_drops_in): Remove.
18762 (block_stack_in, block_out_reg_set, block_number): Remove.
18763 (struct block_info_def, BLOCK_INFO): New.
18764 (enum emit_where): New.
18765 (current_block): New.
18766 (BLOCK_NUM): Remove.
18767 (mark_regs_pat, record_label_references): Remove.
18768 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18770 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18771 (reg_to_stack): Simplified test for existance of fp code. Use
18772 flow.c code. Call shorten_branches after cross-jump opt.
18773 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18774 Return false if the asm doesn't use stack regs. Don't do life
18775 analysis on the asm.
18776 (emit_pop_insn): Replace function pointer arg `when' with
18777 enum `where'. Update all callers.
18778 (change_stack): Likewise. Update basic block end.
18779 (emit_swap_insn): Use current_block->head to limit reverse search
18780 for start of block. Use emit_block_insn_after.
18781 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18782 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18783 structure assignment instead of bcopy.
18784 (print_stack): New.
18785 (convert_regs_entry, convert_regs_exit): New.
18786 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18787 Work on basic blocks and the CFG.
18788 (convert_regs): Use them.
18790 * i386.c (output_fix_trunc): Remove code for DImode input operand
18791 not at top-of-stack.
18792 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18794 (fix_truncdi_1): Allow any mode scratch.
18796 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18798 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18799 * linux.h, netbsd.h, vms.h: Not here.
18801 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18803 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18804 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18805 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18806 CONDITIONAL_REGISTER_USEAGE): Use them.
18807 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18808 gen_conditional_branch,override_options) : Use them.
18809 * config/mips/mips.md : Use them.
18811 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18813 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18815 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18817 * integrate.c (function_cannot_inline_p): Don't allow inlining
18820 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18822 * c-parse.in (cast_expr): Constify.
18824 * cccp.c (special_symbol): Likewise.
18826 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18828 * dwarf2out.c (base_type_die): Likewise.
18830 * global.c (allocno_compare): Likewise.
18832 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18834 * regclass.c (fix_register): Likewise.
18836 * rtl.h (fix_register): Likewise.
18838 * stupid.c (stupid_reg_compare): Likewise.
18840 * toplev.c (decode_f_option): Likewise.
18842 * tree.c (build_complex_type): Likewise.
18844 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18846 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18848 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18850 * reload.c (find_reloads): Compute mode and nregs fields of all
18852 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18853 (calculate_needs): Use precomputed mode/nregs values.
18854 (allocate_reload_reg): Likewise.
18856 (failed_reload, set_reload_reg): ... new functions.
18857 (choose_reload_regs_init): New function, mostly broken out from...
18858 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18859 Also lose one #if 0 block.
18861 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18863 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18866 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18868 * tree.h (BLOCK_TYPE_TAGS): Remove.
18869 (BLOCK_END_NOTE): Likewise.
18870 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18871 (BLOCK_LIVE_RANGE_START): Likewise.
18872 (BLOCK_LIVE_RANGE_END): Likewise.
18873 (tree_block): Remove live_range_flag, live_range_var_flag, and
18874 type_tags. Remove end_note, live_range_start, and live_range_end.
18875 (remember_end_note): Remove prototype.
18876 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18877 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18879 * ggc-common.c (ggc_mark_tree_children): Don't mark
18880 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18881 * integrate.c (adjust_copied_decl_tree): Remove.
18882 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18883 * stmt.c (last_block_end_note): Remove.
18884 (init_stmt): Don't add a GC root for it.
18885 (expand_fixup): Don't set it.
18886 (remember_end_note): Remove.
18887 (expand_end_bindings): Don't set last_block_end_note.
18889 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18891 * reload1.c (reload_reg_free_for_value_p): Show
18892 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18895 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18897 * expmed.c (extract_bit_field): Allow for the case of non-integer
18898 objects that are smaller than a word (like SFmode on a 64-bit
18901 * loop.c (basic_induction_var): A non-integer variable which is
18902 being set by a paradoxical subreg is probably not a biv.
18904 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18906 * prefix.c (translate_name) Check for empty prefix string.
18908 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18910 * Makefile.in (CPP_CROSS_NAME): New variable.
18911 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18913 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18914 names of the files to be uninstalled.
18916 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18918 * collect2.c (IS_DIR_SEPARATOR): Define.
18919 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18921 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18924 * haifa-sched.c (add_dependence): Update the true dependency
18925 cache the first time we add a true dependence to the LOG_LINKS chain.
18927 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18929 * fold-const.c (fold): Fix comment.
18931 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18933 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18934 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18935 dbxout_start_new_source_file, dbxout_source_file,
18936 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18937 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18939 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18940 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18941 (dbxout_block): Initialize variable `blocknum'.
18943 * dbxout.h (dbxout_init, dbxout_finish,
18944 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18945 dbxout_args, dbxout_source_line): Constify a char*.
18947 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18948 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18949 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18950 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18951 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18952 src_info_attribute, mac_info_attribute, producer_attribute,
18953 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18954 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18955 dwarfout_undef): Constify a char*.
18956 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18958 * dwarfout.h (dwarfout_define, dwarfout_undef,
18959 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18961 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18963 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18964 (MULTILIB_ISA_DEFAULT): New.
18965 (MULTILIB_DEFAULTS): Use it.
18966 * config/mips/mips.c (): Remove the now unnecessary definition
18967 of MIPS_ISA_DEFAULT.
18968 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18969 unnecessary definition.
18971 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18973 * arm.md (pic_load_addr): Add constraints to operand 1.
18975 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18977 * fixinc/genfixes: Provide a means for specifying -D options to
18980 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18982 * arm.c (arm_override_options): Correct initialization of
18983 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18984 arm_is_strong, and arm_is_6_or_7.
18986 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18987 (note_set_pseudo_multiple_uses): New function.
18988 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18989 if a pseudo set in the loop exit is used elsewhere.
18991 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18993 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18995 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18997 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18998 a single load-address pattern.
19000 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
19002 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
19003 depending on whether or not line-number notes are present.
19005 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19007 * cccp.c (progname, file_buf, default_include, include_file,
19008 macrodef, definition, hashval, wchar_type, user_label_prefix,
19009 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
19010 expand_to_temp_buffer, is_system_include, base_name,
19011 absolute_filename, read_name_map, open_include_file,
19012 record_control_macro, check_precompiled, check_preconditions,
19013 pcfinclude, pass_thru_directive, create_definition,
19014 check_macro_name, comp_def_part, collect_expansion,
19015 check_assertion, read_token_list, assertion_install,
19016 assertion_lookup, eval_if_expression, conditional_skip,
19017 validate_else, skip_quoted_string, quote_string, macarg1,
19018 error_from_errno, install, lookup, hashf, dump_defn_1,
19019 perror_with_name, pfatal_with_name, main, trigraph_pcp,
19020 check_white_space, rescan, handle_directive, monthnames,
19021 special_symbol, do_include, remap_include_file, write_output,
19022 arglist, do_assert, do_unassert, do_line, do_error, do_once,
19023 do_ident, do_sccs, do_xifdef, skip_if_group,
19024 output_line_directive, macroexpand, macarg, change_newlines,
19025 initialize_builtins, make_definition): Constify a char*.
19027 * pcp.h (stringdef): Likewise.
19029 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
19031 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
19034 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
19035 Richard Henderson <rth@cygnus.com>
19037 * alias.c: Include ggc.h.
19038 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
19039 (record_set): Verify enough room in reg_base_value.
19040 (init_alias_analysis): Allocate reg_base_value with xcalloc.
19041 Register it as a GC root.
19042 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
19043 * Makefile.in (alias.o): Depend on ggc.h.
19045 * unroll.c (unroll_loop): Verify the insn before a barrier
19046 is a JUMP_INSN before checking JUMP_LABEL.
19048 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19050 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
19051 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
19052 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
19053 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
19054 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
19055 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
19057 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19059 * output.h (ctors_section, dtors_section, bss_section): Prototype.
19061 * alpha/alpha-interix.h (text_section): Delete prototype.
19062 * alpha/elf.h (text_section): Likewise.
19063 * arm/linux-elf.h (text_section): Likewise.
19064 * arm/linux-telf.h (text_section): Likewise.
19065 * c4x/c4x.h (text_section): Likewise.
19066 * dsp16xx/dsp16xx.h (bss_section): Likewise.
19067 * elfos.h (text_section): Likewise.
19068 * i386/aix386ng.h (text_section): Likewise.
19069 * i386/i386-interix.h (text_section): Likewise.
19070 * i386/sco5.h (text_section): Likewise.
19071 * i386/svr3gas.h (text_section): Likewise.
19072 * nextstep.h (text_section): Likewise.
19073 * psos.h (text_section): Likewise.
19074 * ptx4.h (text_section): Likewise.
19075 * svr3.h (text_section): Likewise.
19076 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
19078 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19080 * final.c (peephole): Delete prototype.
19082 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
19083 (pre_insert_copies): Remove unused variable `bb'.
19085 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
19088 * output.h (peephole): Add prototype.
19090 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
19092 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
19095 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
19097 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
19098 for inlined declarations.
19100 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
19102 * arm.c (logical_binary_operator): New fucntion.
19103 * arm.h (logical_binary_operator): Declare it.
19104 (PREDICATE_CODES): Handle logical_binary_operator.
19105 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
19106 output constraints. Add appropriate splitters.
19107 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
19108 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
19109 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
19111 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19113 * genoutput.c (struct operand_data): New elt eliminable.
19114 (output_operand_data): Write it.
19115 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
19116 (compare_operands): Take it into account.
19117 * recog.h (struct insn_operand_data): New elt eliminable.
19118 * reload1.c (check_eliminable_occurrences, elimination_effects): New
19120 (old_asm_operands_vec, new_asm_operands_vec): Delete.
19121 (eliminate_regs): Move code that detects changes to elimination
19122 target regs into new function elimination_effects.
19123 Delete one #if 0 block.
19124 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
19125 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
19126 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
19127 Only call eliminate_regs for real operands of the insn, not for parts
19128 of its structure or parts matched by things like match_operator.
19129 Use elimination_effects and check_eliminable_occurrences. Use
19130 copy_insn to duplicate the pattern when not in the final pass.
19132 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
19134 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
19137 1999-10-22 Bruce Korb <autogen@linuxbox.com>
19139 * fixinc/README: document the "mach" machine matching test
19140 * fixinc/fixfixes.c: Implement the #else/#endif label fix
19141 * fixinc/fixtests.c: Implement the #else/#endif label test
19142 * fixinc/inclhack.def: utilize these tests and fixes
19143 * fixinc/inclhack.sh: regen
19144 * fixinc/fixincl.x: regen
19145 * fixinc/fixincl.sh: regen
19147 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
19149 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
19152 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
19154 * gcc.1: Document exit codes.
19156 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19158 * calls.c: Include tm_p.h later, so everything we need is defined.
19159 * expr.c: Likewise.
19160 * function.c: Likewise.
19162 * except.c: Include tm_p.h.
19164 * sparc.c: Likewise.
19165 (dwarf2out_cfi_label): Don't prototype.
19166 (check_return_regs, epilogue_renumber,
19167 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
19168 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
19169 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
19170 ultra_schedule_insn): Add static prototype.
19171 (data_segment_operand, text_segment_operand): Call itself with the
19172 proper number of arguments.
19173 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
19175 * sparc.h: Move all declarations to sparc-protos.h.
19176 (SELECT_RTX_SECTION): Pass a missing MODE argument to
19179 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
19181 * config/svr4.h (text_section, ctors_section, dtors_section): Add
19183 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
19184 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
19185 ASM_OUTPUT_ASCII): Constify a char*.
19187 * sparc-protos.h: New file for sparc prototypes.
19189 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19191 * function.c (record_insns, contains): Always declare and define.
19192 (record_insns): Mark with ATTRIBUTE_UNUSED.
19194 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19196 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
19197 to .section when outputting a .bss section to deal with multiple
19198 .bss input sections (as happens with -fdata-sections)
19199 Also output %progbits, not @progbits so the assembler doesn't treat as
19201 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
19203 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
19204 thumb parts even when building with non-thumb CPUs, by forcing
19207 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
19209 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
19210 (movdf_const_intreg_sp64): Similarly.
19212 * local-alloc.c (update_equiv_regs): Check the correct insn
19213 for pre-existing REG_EQUIV notes.
19215 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
19217 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
19218 block reached by a branch if we're not going to actually process
19221 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
19223 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
19224 a local extern function declaration.
19226 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
19228 * i386.c (ix86_expand_prologue): Properly wrap USE around
19229 reg for CALL_INSN_FUNCTION_USAGE.
19231 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
19233 * config/mips/mips.md (movdf_internal1a): Allow floating-point
19234 move between GP_REGs.
19236 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
19238 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
19239 the mode size when finding out if an offset is legal.
19241 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
19243 * basic-block.h (PROP_*): Move constants from ...
19244 * flow.c: ... here.
19245 (compute_bb_for_insn): Free the array before reallocating.
19246 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
19247 (allocate_reg_life_data): Reset all reg variables collected by
19249 (get_block_head_tail): Don't convert from bb to block.
19250 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
19251 (find_insn_reg_weight): Take block not bb.
19252 (schedule_block): Don't set block num for moved insns.
19253 (schedule_region): Don't update_life_info or find_insn_reg_weight.
19254 (schedule_insns): Do it here instead.
19255 * combine.c (combine_instructions): Invoke compute_bb_for_insn
19256 before update_life_info.
19257 * recog.c (split_all_insns, peephole2_optimize): Update for
19258 new arg to update_life_info.
19259 * rtlanal.c (remove_note): Cope with NULL note.
19260 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
19263 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
19265 * jump.c (jump_optimize_1): More accurately detect casesi insns.
19267 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
19268 block records so that merge_blocks_nomove will clean up correctly.
19269 (split_edge): Handle casesi insns.
19271 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
19273 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
19275 * pa.md (call, call_value): Do not emit a blockage after restoring
19278 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
19280 * c-typeck.c (c_expand_asm_operands): Fix typo.
19282 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19284 * arm.c (fpu_rhs_operand): Verify modes.
19285 (fpu_add_operand): Likewise.
19286 (di_operand): Likewise.
19287 (soft_df_operand): Likewise.
19289 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
19291 * arm.c (arm_return_in_memory): APCS rules state that the elements
19292 of a structure returned in a register must be 'integer-like'.
19294 1999-10-19 Bruce Korb <autogen@linuxbox.com>
19296 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
19297 in the source tree when the generated targets are out of date
19298 * fixinc/genfixes: Alter it to run individual fixes for make.
19299 * fixinc/README: rewrite
19300 * fixinc/inclhack.def: moved initial comments to README
19302 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
19304 * toplev.c (main): Do not generate an error message if an
19305 unrecognised command line switch is recognisable by another
19306 language. If extra_warnings are enabled, then generate a
19307 warning message instead.
19309 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
19311 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
19312 (insert_pack_attributes): Delete prototype.
19314 * c-pragma.c (default_alignment): New static variable.
19315 (push_alignment): Initialize to current effective alignment.
19316 (pop_alignment): Use to set new alignment.
19317 (insert_pack_attributes): Delete function.
19318 (handle_pragma_token): Set default_alignment as well each time
19319 a #pragma pack(<n>) is encountered.
19321 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
19323 * reg-stack.c (stack_result): Aggregates are not returned in
19326 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19328 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
19330 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
19332 * basic-block.h (set_block_num): Declare.
19333 * flow.c (update_life_info): Don't call compute_bb_for_insn
19334 or free_basic_block_vars.
19335 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
19336 (insn_orig_block): Remove.
19337 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
19338 (schedule_block): Keep BLOCK_NUM up-to-date.
19339 (schedule_insns): Use compute_bb_for_insn.
19340 * recog.c (split_all_insns): Likewise.
19341 (peephole2_optimize): Likewise.
19343 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
19345 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
19346 if the pic register is used.
19348 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19350 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
19351 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
19352 if that tests TREE_PERMANENT.
19354 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
19356 * cse.c (invalidate_for_call): Do not remove memory references from
19357 the table here. It's handled elsewhere.
19359 * haifa-sched.c (add_dependence): Protect references to the
19360 true dependency cache with #ifdef INSN_SCHEDULING.
19361 (remove_dependence): Similarly.
19363 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
19364 to the cfg code that this is a return instruction.
19365 * mn10300.md (return_internal): Similarly.
19367 * combine.c (get_last_value): If the last set of a register
19368 is after subst_low_cuid, then we can not use it to determine
19369 the register's last value.
19371 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19373 * Makefile.in: Back out previous change.
19375 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
19377 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
19379 * haifa-sched.c (add_dependence): Only check/update the cache
19381 (remove_dependence): Likewise.
19382 (schedule_insns): Only create the true_dependency_cache if the
19383 average number of instructions in a basic block is very large.
19385 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19387 * Makefile.in (ggc-common.o): Depend on genrtl.h.
19388 (ggc-simple.o): Likewise.
19389 (ggc-page.o): Likewise.
19391 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
19393 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
19394 Prototype for exported functions.
19395 (pre_lcm, pre_rev_lcm): Remove prototypes.
19396 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
19397 (compute_available): Move to lcm.c, and change parameter order.
19398 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
19399 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
19400 (gcse_main): No longer call compute_preds_succs. Rebuild the
19401 set table after reach pre pass.
19402 (pre_insert_map, pre_delete_map, edge_list): New.
19403 (alloc_pre_mem): Allocate edge vectors.
19404 (free_pre_mem): Delete edge vectors.
19405 (compute_pre_data): Call new edge based lcm routines.
19406 (process_insert_insn): New function.
19407 (insert_insn_end_bb): Use it.
19408 (pre_edge_insert): New function.
19409 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
19411 (pre_insert_copies): Revamp using new edge based lcm outputs.
19412 (pre_delete): Likewise.
19413 (one_pre_gcse_pass): Insert & remove fake edges to the exit
19415 (compute_code_hoist_vbeinout): New new edge based routines.
19416 * lcm.c: Remove all the old LCM functions. Replace with new ones
19417 that work with the new cfg datastructures and work with edges
19420 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19422 * reload.h (struct reload): Add new fields "mode" and "nregs".
19423 * reload1.c: Change all occurrences of reload_mode and reload_nregs
19424 to reference the "mode" and "nregs" field within struct reload.
19426 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
19428 * haifa-sched.c (true_dependency_cache): New.
19429 (add_dependence): Use the true dependency cache to avoid expensive
19430 walks down the LOG_LINKS dependency list. Add entries to the
19431 cache as necessary.
19432 (remove_dependence): Remove entries from the true dependency cache
19434 (schedule_insns): Allocate and initialize and free the true
19437 * haifa-sched.c (schedule_insns): Do not remove inter-block
19438 dependencies anymore.
19440 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19442 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
19443 * i386/t-winnt: Likewise.
19445 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
19447 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
19449 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
19451 * Makefile.in (LANGUAGES): Omit "proto".
19452 (clean): Remove stale comment about removing unprotoize.c.
19454 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19456 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
19457 using arithmetic on void pointers.
19459 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
19461 * haifa-sched.c (compute_block_forward_dependencies): Only check
19462 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
19464 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
19466 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
19467 (expr_equiv_p): Reject memories with different alias sets.
19469 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
19471 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
19472 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
19473 (f_options): Add "bounded-pointers" and "bounds-check" entries.
19474 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
19475 (lang_init): Set default for flag_bounds_check if still "unspecified".
19477 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19479 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
19481 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19483 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
19486 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19488 * config/c4x/c4x.md (*db_noclobber,
19489 *decrement_and_branch_until_zero_noclobber): New patterns and
19490 associated splitters.
19492 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19494 * config/c4x/c4x.md (parallel instruction patterns): Rework
19495 constraints to keep reload happy.
19497 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19499 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
19500 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
19501 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
19502 Add new patterns and associated post-reload splitters.
19504 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19506 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
19508 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19510 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19512 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19514 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19516 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19519 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19521 * pa.c (move_operand): Rely on memory_address_p to determine the
19522 validity of non-indexed memory addresses.
19523 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19524 operand in DFmode and SFmode when generating PA2.0 code.
19526 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19528 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19530 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19532 * mips.c (function_prologue): Fix argument types.
19533 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19534 (casesi_internal): Write to the scratch register.
19536 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19538 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19540 (parse_charconst): Delete unnecessary cast when calling
19542 (cpplib.h): Kill prototype of cpp_parse_escape.
19544 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19546 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19547 * unroll.c (unroll_loop): Cast return value of alloca.
19548 * i370/i370.c: Include function.h and toplev.h.
19549 (i370_label_scan): Remove c++ commented abort.
19550 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19551 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19552 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19553 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19555 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19557 * config/t-freebsd: Do not override USER_H.
19558 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19560 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19561 Mumit Khan <khan@xraylith.wisc.edu>
19563 * c-parse.in (component_decl): Support anonymous struct/union.
19565 * c-parse.y: Regenerate.
19566 * c-parse.c: Likewise.
19567 * objc/objc-parse.y: Likewise.
19568 * objc/objc-parse.c: Likewise.
19569 * c-decl.c (finish_struct): Don't sort the fields.
19570 (field_decl_cmp): Delete unused function.
19572 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19574 * sparc.md (movsf_const_intreg): Revert last constraint change.
19575 (movdf_const_intreg_sp32): Likewise.
19577 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19579 * cse.c: Include hashtab.h instead of splay-tree.h
19580 (struct cse_reg_info): No longer use variant union. Add new
19581 field "regno". All references changed to avoid union.
19582 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19583 (free_cse_reg_info): Remove.
19584 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19585 (get_cse_reg_info): Revamp to use expandable hash tables instead
19586 of splay trees. Initialize new fields in cse_reg_info structure.
19587 (new_basic_block): Similarly.
19589 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19591 * genrecog.c (message_with_line): Prototype.
19592 (validate_pattern): Pass along the set for the dest, not a flag.
19593 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19594 Check for PC/CC0 as sources.
19595 (nodes_identical): Check for children position match before
19596 allowing the combination.
19598 * rtl.c (read_rtx): Track line number across \\\n.
19600 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19602 * mips.h (SPECIAL_MODE_PREDICATES): New.
19603 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19604 (movdi+1, movsi+1): Add output reload constraint.
19605 (casesi_internal): Likewise. Fix commentary.
19606 (return_internal): Use pmode_register_operand.
19608 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19610 * 1750a.md (movstrqi): Add missing output reload constraint.
19611 (call_value): Likewise.
19612 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19613 (jmpfdec): Add missing inout reload constraint.
19614 * elxsi.md (addsi patterns): Add missing output reload constraint.
19615 (move from sp): Use @ alternates.
19616 (call_value): No constraint on output.
19617 * fr30.md (movsi_pop): Add missing output reload constraint.
19618 (movsf_constant_store): Likewise.
19619 (splits): Remove constraints.
19620 (subsi3): Add missing mode.
19621 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19622 (call_value): Likewise.
19623 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19624 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19625 * m32r.md (movsicc_internal): Add output reload constraint.
19626 (movstrsi_internal): Add inout reload constraints.
19627 * m88k.h (reg_names): Don't declare.
19628 (SPECIAL_MODE_PREDICATES): New.
19629 * m88k.md (*): Use register_operand not reg_or_0_operand
19631 * mn10200.h (PREDICATE_CODES): New.
19632 * ns32k.md (ffs pattern): Add output reload constraint.
19633 * pdp11.md (sob pattern): Add inout reload constraint.
19634 * sh.md (splits): Remove constraints.
19635 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19636 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19637 * vax.md (jgequ pattern): Add inout reload constraint.
19639 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19641 * configure.in (djgpp): Revert previous patch.
19642 * configure: Rebuit.
19643 * config/i386/djgpp.h: Revert previous patch.
19645 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19647 * fixinc/inclhack.def: Restore patch lost during last merge of
19648 "no_bogosity" branch.
19649 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19651 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19653 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19654 * fixinc/inclhack.def: Same.
19655 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19657 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19659 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19660 as the base of a PLUS.
19662 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19664 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19665 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19667 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19669 * pa.md (post_stw+1): Use pmode_register_operand.
19670 (dcacheflush, icacheflush): Likewise.
19672 * i386.md (movstricthi_1): Allow r/r.
19674 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19676 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19677 to (not (and (arg0) (arg1))). Similary for and.
19679 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19680 fallthrough to associate code.
19681 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19684 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19685 no bits in common; remove XOR to ROTATE conversion.
19687 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19689 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19691 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19693 * config/c4x/c4x.c (dst_operand): New.
19694 (PREDICATE_CODES): Update.
19695 * config/c4x/c4x.h (dst_operand): Declare it.
19696 * config/c4x/c4x.md: Define mode for each unspec usage.
19697 (move patterns): Use dst_operand predicate instead of src_operand.
19698 (movqi_update, movqf_update): Delete.
19700 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19702 * recog.c (pmode_register_operand): New.
19703 * recog.h: Declare it.
19704 * genrecog.c (pred_codes): Likewise.
19705 (special_mode_pred_table): Likewise.
19706 (validate_pattern): Don't warn no mode for address_operand.
19708 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19709 if the operand is not insn-like.
19711 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19712 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19714 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19716 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19718 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19719 instead of general_operand in a SET_DEST. Use const_double_operand
19720 instead of an explicit test against CONST_DOUBLE.
19721 (movsf_const_lo): Add missing register mode.
19722 (goto_handler_and_restore): Add auxiliary test for Pmode.
19723 (flush): Adjust to use address_operand.
19724 (return_sf_no_fpu): Add missing output constraint.
19726 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19728 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19729 for call return value.
19730 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19732 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19734 * toplev.c (main): Only warn about options for other languages.
19735 * collect2.c (main): Pass -w to sub-gcc.
19737 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19739 * flow.c (propagate_block): Add call-clobbered registers to
19742 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19743 zapping mem_set_list.
19744 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19745 (mark_set_1, mark_used_regs): Likewise.
19747 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19749 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19751 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19753 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19754 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19755 options. Also add a new item "C-only Warning Options" to the
19758 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19760 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19761 from multiple calls.
19763 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19765 * i386.md (call value patterns): Move to the end of the file.
19766 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19768 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19770 * configure.in (djgpp configuration): Define extra_objects..
19771 * configure: Rebuilt.
19772 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19773 (DTORS_SECTION_ASM_OP): Define.
19774 (INIT_SECTION_ASM_OP): Define.
19775 (FINI_SECTION_ASM_OP): Define.
19776 (DATA_SECTION_ASM_OP): Define.
19777 (TEXT_SECTION_ASM_OP): Define.
19778 (EH_FRAME_SECTION_ASM_OP): Define.
19779 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19780 (STARTFILE_SPEC): Add crtbegin.o.
19781 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19782 to here from LINK_COMMAND_SPEC.
19783 (DO_GLOBAL_CTORS_BODY): Define.
19784 (CRTSTUFF_USE_FINI_SECTION): Define
19785 (HAS_INIT_SECTION): Delete.
19787 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19789 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19791 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19793 * pa.h (PREDICATE_CODES): New.
19795 * genrecog.c (validate_pattern): Condense the destination
19796 non-lvalue message.
19798 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19800 * alpha.md (call-1): Supply missing mode for operator.
19801 (*): Add missing output reload constraints. Remove constraints
19802 from define_splits.
19804 * i386.h (SPECIAL_MODE_PREDICATES): New.
19805 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19806 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19807 (addsi_lea_3): Add missing mode for op 3.
19808 (prologue_set_got, prologue_get_pc): Add missing modes.
19809 (*) Add missing output reload constraints.
19811 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19813 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19814 check for member bit-size overflow and use var_size if it occurs.
19815 (layout_record): Use bitsize_int() to define the type size in bits.
19816 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19817 (layout_decl): Likewise when assigning to DECL_SIZE.
19819 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19821 * genrecog.c (validate_pattern): Typo last change. Verify
19822 that output operands have output reloads.
19824 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19826 * genrecog.c (special_mode_pred_table): New.
19827 (NUM_SPECIAL_MODE_PREDS): New.
19828 (find_operand): New.
19829 (validate_pattern): New argument `insn'. Warn for assignment to
19830 any predicate accepting non-lvalues. Conditionaly warn for
19831 match_operand without a mode. Try much harder to match source
19832 and destination modes on a set.
19833 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19835 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19837 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19839 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19841 * combine.c (simplify_logical): Recognize xor pattern that encodes
19844 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19846 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19849 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19851 * ggc-page.c (MAP_FAILED): Provide default.
19853 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19855 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19856 * sparc.h (PREDICATE_CODES): Update.
19858 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19860 * alpha.c (some_ni_operand): New.
19861 * alpha-protos.h: Declare it.
19862 * alpha.h (PREDICATE_CODES): Update.
19863 * alpha.md (sXaddq reload insns): Use some_ni_operand
19864 for SET_DEST instead of some_operand.
19866 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19867 Jim Wilson <wilson@cygnus.com>
19869 * genrecog.c (maybe_both_true_2): Don't compare modes of
19871 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19872 after find_afterward.
19873 (debug_decision_1): Dump next and afterward codes.
19875 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19877 * rtl.c (dump_and_abort): Remove.
19878 (fatal_with_file_and_line): New.
19879 (fatal_expected_char): New.
19880 (read_rtx_lineno, read_rtx_filename): New.
19881 (read_skip_spaces): Track line number.
19882 (read_name): Use fatal_with_file_and_line.
19883 (read_rtx): Use fatal_expected_char. Track line number.
19884 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19886 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19887 if it isn't a CODE_LABEL.
19889 * genattr.c (main): Set read_rtx_filename.
19890 * genattrtab.c (main): Likewise.
19891 * gencodes.c (main): Likewise.
19892 * genconfig.c (main): Likewise.
19893 * genemit.c (main): Likewise.
19894 * genextract.c (main): Likewise.
19895 * genflags.c (main): Likewise.
19896 * genopinit.c (main): Likewise.
19897 * genoutput.c (main): Likewise.
19898 * genpeep.c (main): Likewise.
19900 * genrecog.c (decision_test.u.insn): Add `lineno'.
19901 (pattern_lineno, error_count): New variables.
19902 (message_with_line): New.
19903 (add_to_sequence): Break out checking code to ...
19904 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19905 (merge_insn): Use message_with_line.
19906 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19907 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19909 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19911 * expr.c (store_constructor): Clear union if constructor is empty.
19913 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19915 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19916 Add !endian checks. Change %{...} to %(...).
19918 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19920 * i386.md (*addsi3_cc): Renamed from addcsi3.
19921 (*addsi3_carry): Renamed from addxsi3.
19922 (*subsi3_cc): Renamed from subcsi3.
19923 (*subsi3_carry): Renamed from subxsi3.
19924 (*xorqi_cc_1): Renamed from xorcqi_1.
19925 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19926 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19928 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19930 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19931 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19933 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19935 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19936 climb up the chain of insns.
19938 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19940 * genrecog.c (write_subroutine): Careful for null trees.
19941 (process_tree): Don't elide empty functions.
19943 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19945 * Makefile.in (genrtl.o): Depend on ggc.h.
19946 * configure.in (valloc): Probe for it.
19947 (with-gc): Use ggc-page if valloc present.
19948 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19949 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19950 (ggc_alloc_string): Moved from ggc-page.c.
19951 * ggc-none.c (ggc_alloc_obj): New.
19952 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19953 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19954 (struct globals): Likewise for dev_zero_fd.
19955 (init_ggc): Likewise for it's initialization.
19956 (ggc_allocated_p): Move careful dereference from ...
19957 (ggc_lookup_page_table): ... here. Delete.
19958 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19959 (alloc_anon): Use valloc if no mmap.
19960 (release_pages): Use free if using valloc.
19961 (ggc_alloc_obj): Renamed from alloc_obj.
19962 (ggc_set_mark): Renamed from mark_obj.
19963 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19964 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19965 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19966 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19967 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19968 (ggc_collect): Use fp printing instead of our own rounding.
19969 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19970 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19971 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19972 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19973 (struct ggc_string, struct ggc_any): Delete.
19974 (offsetof): Provide default definition.
19975 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19977 (struct ggc_mem): New, from corpse of ggc_any.
19978 (struct ggc_status): Delete.
19979 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19980 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19981 (n_strings_collected, n_anys_collected): Delete.
19982 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19983 (ggc_alloc_string, ggc_alloc): Delete.
19984 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19985 (ggc_free_string, ggc_free_any): Delete.
19986 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19987 (ggc_compare_addresses, ggc_mark_string): Delete.
19988 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19989 (search_data): Delete.
19990 (struct globals): New.
19991 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19992 (tree_insert, tree_lookup): New.
19993 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19994 (clear_marks, sweep_objs): New.
19995 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19996 (init_ggc): Set allocated_last_gc.
19997 (ggc_push_context): Gut. Use G.context.
19998 (ggc_pop_context): Likewise.
19999 (ggc_pop_context_1): New.
20000 (debug_ggc_tree): New.
20001 (debug_ggc_balance, tally_leaves): New.
20002 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
20003 (ggc_mark_string_if_gcable): Remove decl.
20004 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
20005 (ggc_mark_rtvec_children): New.
20006 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
20007 (ggc_mark_if_gcable): New decl.
20008 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
20009 (ggc_alloc_tree, ggc_alloc): Likewise.
20010 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
20011 (ggc_alloc_obj): New decl.
20012 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
20013 (ggc_alloc_tree, ggc_alloc): Likewise.
20014 (ggc_set_mark): New decl.
20015 * rtl.h (struct rtx_def): Remove gc_mark.
20016 (struct rtvec_def): Likewise.
20017 * tree.h (struct tree_common): Likewise.
20019 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
20021 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
20022 float_format and thread_file definitions.
20023 * configure: Rebuilt.
20025 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
20027 * extend.texi (Function Names): Document types of function names.
20029 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20031 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
20032 an earlyclobbered output conflict with RELOAD_INPUT reloads.
20034 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20036 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
20038 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20040 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
20042 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
20044 * collect2.c (main): Do prelimnary link on AIX if rflag.
20046 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20048 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
20049 __CTOR_LIST__ in opposite order, which is the correct order for sorted
20051 (__do_global_dtors): similarly for __DTOR_LIST__.
20053 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20054 Diego Novillo <dnovillo@cygnus.com>
20056 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
20059 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
20061 * fixincl/*: Merged "no_bogosity" branch
20062 * fixincl/fixlib.h: protect against doubly defining t_bool
20063 * fixincl/server.h: protect against doubly defining t_bool
20065 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
20067 * genoutput.c: Include toplev.h.
20069 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
20071 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
20073 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
20074 * configure: Regenerate.
20076 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20078 * gcse.c (delete_null_pointer_checks): Returns void.
20080 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20082 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
20083 * emit-rtl.c (copy_insn_1): Likewise.
20085 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20087 * config/mips/mips.c (mips_build_va_list): Correct
20088 TREE_CHAIN setting when hard-float.
20089 (mips_va_start): Use corrected setting.
20090 (mips_va_arg): Likewise. Also pass a tree to build of
20091 POSTINCREMENT_EXPR rather than a naked 'int'.
20093 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
20095 * ggc.h (ggc_push_context): Fix comment.
20096 (ggc_pop_context): Likewise.
20097 (mark_string_if_gcable): Likewise.
20098 * ggc-common.c (ggc_mark_rtx_children): Use
20099 ggc_mark_string_if_gcable.
20100 * ggc-page.c (ggc_lookup_page_table): New function.
20101 (ggc_allocated_p): Likewise.
20102 (mark_obj): Fix formatting.
20103 (ggc_mark_string_if_gcable): New function.
20104 * ggc-simple.c (ggc_allocated_strings): New variable.
20105 (ggc_strings_used): Likewise.
20106 (ggc_compare_addresses): New function.
20107 (ggc_pop_context): Pop the `any' memory too.
20108 (ggc_mark_string_if_gcable): New function.
20109 (ggc_collect): Initialize and tear down ggc_allocated_strings.
20111 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
20113 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
20114 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
20115 * rs6000.c (expand_block_move): Match movstrsi_?reg register
20118 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
20120 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
20121 (sched_reg_live_length, sched_reg_basic_block): Delete.
20122 (current_block_num, bb_live_regs, old_live_regs): Delete.
20123 (dead_notes, struct sometimes): Delete.
20124 (sched_note_set, birthing_insn_p): Delete.
20125 (adjust_priority): Gut useless reg lifetime code.
20126 (create_reg_dead_note, attach_deaths): Delete.
20127 (attach_deaths_insn, new_sometimes_live): Delete.
20128 (finish_sometimes_live): Delete.
20129 (find_pre_sched_live, find_post_sched_live): Delete.
20130 (update_reg_usage): Delete.
20131 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
20132 (schedule_insns): Delete reg lifetime code.
20133 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
20134 (unlink_other_notes): Adjust REG_NOTE commentary.
20135 (reemit_notes): Use REG_SAVE_NOTE.
20136 (schedule_block): Likewise.
20137 (schedule_region): Allocate bitmap of blocks in region. Use
20138 count_or_remove_death_notes. Use update_life_info.
20140 * rtl.h (REG_SAVE_NOTE): New.
20141 * rtl.c (reg_note_name): Update.
20143 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
20145 * combine.c (refresh_blocks, need_refresh): New.
20146 (combine_instructions): Allocate refresh_blocks. Invoke
20147 update_life_info if needed.
20148 (distribute_notes): Mark refresh_blocks instead of installing
20150 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
20151 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
20153 * Makefile.in (recog.o): Depend on basic-block.h.
20155 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
20157 * genrecog.c (add_to_sequence): Thinko last change: delete
20158 shadowing allow_const_int variable.
20160 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20162 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
20163 __GNUC__ and __GNUC_MINOR__.
20165 * gansidecl.h: Likewise.
20171 * toplev.h: Likewise.
20173 * tree.c: Likewise.
20175 * tree.h: Likewise.
20177 * varray.c: Likewise.
20179 * varray.h: Likewise.
20181 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20183 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
20184 use one before a jump table.
20186 * rtl.def (ADDRESS): Change documentation to match reality.
20187 * md.texi: Don't document it.
20188 * gmicro.md (load address pattern): Use 'p' constraint, delete use
20191 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
20193 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
20195 * genrecog.c (add_to_sequence): Move allow_const_int test outside
20196 known predicate block; default allow_const_int true.
20197 (debug_decision_list): New.
20199 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
20201 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
20203 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
20205 * gcse.c (gcse_main): Avoid global optimizations if we have a
20206 large number of basic blocks and the ratio of edges to blocks
20208 (delete_null_pointer_checks): Likewise.
20210 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
20212 * c-common.c (check_format_info): Warn if format string isn't a
20215 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20217 * configure.in (arm*-*-*): Don't let autoconf remove brackets
20218 * configure: regenerate
20220 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
20222 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
20223 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
20224 (peepholes): Re-enable.
20226 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
20228 * Makefile.in (flow.o): Depend on TREE_H.
20229 * basic-block.h (REG_SET_EQUAL_P): New.
20230 (XOR_REG_SET): New.
20231 (n_edges): Declare.
20232 (free_regset_vector): Remove declaration.
20233 (flow_delete_insn_chain): Declare.
20234 (enum update_life_extent): New.
20235 (update_life_info, count_or_remove_death_notes): Declare.
20236 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
20237 Verify register live at bb->global_live_at_start before adding USE.
20238 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
20239 (CLEAN_ALLOCA): New.
20241 (PROP_*): New flags.
20242 (find_basic_blocks_1): Use alloc_EXPR_LIST.
20243 (clear_edges): Zero n_edges.
20244 (make_edge): Increment n_edges.
20245 (split_edge): Don't allocate bb->local_set. Increment n_edges.
20246 (flow_delete_insn_chain): Export.
20247 (delete_block): Decrement n_edges.
20248 (merge_blocks_nomove): Likewise.
20249 (life_analysis): Give life_analysis_1 PROP flags.
20250 (verify_wide_reg_1, verify_wide_reg): New.
20251 (verify_local_live_at_start): New.
20252 (update_life_info): Rewrite to call into propogate_block.
20254 (mark_regs_live_at_end): After reload, if epilogue as rtl,
20255 always mark stack pointer. Conditionally mark PIC register.
20256 After reload, mark call-saved registers, return regsiters.
20257 (life_analysis_1): Accept PROP flags not remove_dead_code.
20258 Call mark_regs_live_at_end before zeroing regs_ever_live.
20259 Use calculate_global_regs_live. Copy global_live_at_end before
20260 calling final propagate_block. Zero reg_next_use on exit.
20261 (calculate_global_regs_live): New.
20262 (allocate_bb_life_data): Don't allocate bb->local_set.
20263 (init_regset_vector, free_regset_vector): Remove.
20264 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
20265 Test flags before every operation. Warn if prologue/epilogue insn
20266 would have been deleted.
20267 (mark_set_regs, mark_set_1): Accept and use FLAGS.
20268 Use alloc_EXPR_LIST.
20269 (mark_used_regs): Accept and use FLAGS, not FINAL.
20270 Remove special handling for RETURN.
20271 (try_pre_increment): Use alloc_EXPR_LIST.
20272 (dump_flow_info): Dump n_edges.
20273 (unlink_insn_chain, split_hard_reg_notes): Remove.
20274 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
20275 (find_insn_with_note, new_insn_dead_notes): Remove.
20276 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
20277 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
20278 (replace_insns): Remove.
20279 (count_or_remove_death_notes): New.
20280 (verify_flow_info): Abort on error after all checks.
20281 (remove_edge): Decrement n_edges.
20282 (remove_fake_edges): Tweak format.
20283 * haifa-sched.c (schedule_insns): Use split_all_insns.
20284 * output.h (update_life_info): Remove declaration.
20285 * recog.c (split_all_insns): From the corpse of split_block_insns,
20286 do the whole function block by block. Use update_life_info.
20287 (recog_last_allowed_insn): New.
20288 (recog_next_insn): Mind it.
20289 (peephole2_optimize): Set it. Walk backwards through blocks.
20290 Use update_life_info.
20291 * rtl.h (update_flow_info, replace_insns): Remove declarations.
20292 (split_all_insns): Declare.
20293 * toplev.c (rest_of_compilation): Thread prologue before flow2.
20294 Use split_all_insns.
20296 * i386.md (or -1 peep2s): Disable.
20298 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
20300 * config/mips/mips.md (movstrsi+[123]) : Combine these into
20301 a single pattern. Scrap the 'd' versions as unnecessary.
20303 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
20304 tablejump_mips162,tablejump_internal4): The operands to a
20305 label_ref must be VOIDmode.
20307 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20309 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
20311 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20313 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
20315 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20317 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
20318 cache every function if ggc_p.
20320 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20322 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
20323 instead of copy_rtx. Accept sequences that contain asm statements.
20324 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
20325 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
20326 orig_asm_operands_vector, copy_asm_operands_vector,
20327 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
20329 * rtl.h (copy_insn, copy_insn_1): Declare.
20331 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20333 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
20335 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
20336 arguments to `current_file_function_operand'.
20338 * genrecog.c: Include hard-reg-set.h and resource.h in the
20339 generated output file.
20341 * real.c: Include tm_p.h.
20343 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20345 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
20348 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
20350 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
20351 before the fctiwz insn.
20353 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20354 Mark Mitchell <mark@codesourcery.com>
20356 * tree.c (make_lang_type_fn): New funtion pointer.
20357 (make_lang_type): Call it.
20358 * tree.h (make_lang_type): Declare.
20359 (make_lang_type_fn): Likewise.
20360 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
20362 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
20364 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
20365 make sure that HIGH instructions are copied into BASE_REGS.
20367 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
20369 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
20371 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
20373 * c-decl.c (finish_struct): Use simpler method of
20374 removing elements of a singly-linked list.
20376 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
20378 * alpha.md (peephole2's): Comment out peephole2's that generate
20381 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
20383 * genrecog.c (add_to_sequence): Disable mode check for
20386 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20388 * ggc-simple.c (init_ggc): Set empty_string.
20390 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
20392 * configure.in: Detect mmap. Add --with-gc=foo to select
20393 garbage collector; default to page if mmap available.
20394 * Makefile.in (GGC): Substitute.
20396 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
20398 * c-decl.c (ggc_p): Enable.
20400 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20402 * flow.c (verify_flow_info): Make it extern & unconditionally define.
20404 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
20406 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
20407 string for little-endian-data.
20409 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
20411 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
20412 case somebody tries to compile --enable-checking code with gcc
20415 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
20417 * genrecog.c (add_to_sequence): Verify operand to label_ref is
20420 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
20422 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
20423 * jump.c (jump_optimize_1): Document why.
20425 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20427 * collect2.c (scan_prog_file, scan_libraries): Prototype function
20428 pointers and casts for `int_handler' and `quit_handler'.
20430 * flow.c (verify_flow_info, split_hard_reg_notes,
20431 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
20432 remove_edge, remove_fake_successors): Add static prototypes.
20433 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
20434 (mark_set_1): Initialize variable `regno'.
20435 (unlink_insn_chain): Likewise for variable `curr'.
20436 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
20438 * loop.c (strength_reduce): Initialize variable
20439 `unrolled_insn_copies'.
20440 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
20441 prototypes. Change these functions to take const PTR parameters
20442 to avoid prototype conflict when used as the comparson argument
20444 (check_dbra_loop): Initialize variable `comparison_val'.
20446 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
20447 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
20448 (find_valid_class): Initialize variable `best_class'.
20449 (find_reloads): Call memcpy, not bcopy.
20451 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
20452 (hard_reg_use_compare): Don't needlessly cast away const.
20453 (reload_reg_class_lower): Likewise.
20454 (choose_reload_regs): Initialize variable `regno'.
20456 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
20458 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
20460 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
20462 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
20463 ({,d}discard): Add forward declarations. Declare parameter as
20465 (main_without_main): Explicitly declare return type to be int.
20466 (memcpy): Properly declare.
20468 * libgcc2.c (toplevel): If inhibit_libc is defined and not
20469 building the trampoline support, declare malloc, free, and
20471 (__clear_cache): Mark arguments as potentially unused.
20473 * frame.c (toplevel): If inhibit_libc is defined, declare
20476 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
20478 * flow.c (make_edge): Accept an optional 2D bitmap in which
20479 to cache edge existence. Update all callers.
20480 (make_label_edge, make_eh_edge): Pass through the edge cache.
20481 (make_edges): Provide the cache.
20483 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20485 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
20487 (local_mbtowc): Change the type of variable `i' from int to size_t.
20489 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
20490 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
20492 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
20494 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
20495 after other includes that define the appropriate types. Include
20496 tm_p.h for getting user prototypes.
20497 * ggc-callbacks.c (toplevel): Ditto.
20498 * ggc-none.c (toplevel): Ditto.
20499 * gcc-page.c (toplevel): Ditto.
20500 * ggc-simple.c (toplevel): Ditto.
20502 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
20503 Jonathan Larmour <jlarmour@cygnus.co.uk>
20505 * config/mips/mips.c (mips_move_2words): Split doubles if
20506 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
20508 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
20510 * genrecog.c (struct decision_test): New.
20511 (struct decision): Remove test-related members, sort the rest by size.
20512 (IS_SPLIT): Simplify.
20513 (new_decision, new_decision_test): New.
20514 (add_to_sequence): Use them. No special handling for args of
20516 (maybe_both_true): Renamed from not_both_true; return sense changed.
20517 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20518 of maybe_both_true and adjusted for decision_test.
20519 (position_merit): Remove.
20520 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20521 (merge_accept_insn): New, broken out of merge_trees.
20522 (merge_trees): Use them. No special case for c_test; no node
20523 splitting; use test type instead of position_merit.
20524 (factor_tests): New.
20525 (simplify_tests): New.
20526 (break_out_subroutines): Don't write code now.
20527 (find_afterward): New.
20528 (write_afterward, write_switch, write_cond): New.
20529 (write_action, is_unconditional): New.
20530 (write_node): New. Use them.
20531 (write_tree_1): Rewrite. Use the new functions above.
20532 (write_tree): Remove afterward processing.
20533 (write_subroutine): Simplify function variant emission.
20534 (write_subroutines): New.
20535 (same_codes, clear_codes): Remove.
20536 (same_modes, clear_modes): Remove.
20537 (write_header): New, broken out of main.
20538 (make_insn_sequence): Use new_decision and new_decision_test.
20539 (process_tree): New, broken out of main.
20540 (main): Adjust for merge_trees interface change.
20541 Don't #define operands in the output file.
20542 (record_insn_name): New, broken out of make_insn_sequence.
20543 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20544 (debug_decision): New.
20546 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20548 * resource.c (find_free_register): Mark class_str argument const.
20549 * resource.h: Update prototype to match.
20551 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20552 * i386.md: Give all anonymous insns names.
20554 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20556 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20559 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20561 * toplev.c (dbr_sched_time): Unconditional.
20562 (peephole2_time): New.
20563 (compile_file): Add pass numbers to all of the dump file suffixes.
20564 Dump peephole2_time. Don't dump times for non-applicable passes.
20565 (rest_of_compilation): Add pass numbers to dump file suffixes.
20566 Conditionalize calls to the scheduler.
20567 * invoke.texi: Update.
20569 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20571 * flow.c (make_edges): Fix insn iteration.
20572 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20573 (find_basic_blocks_1): Fix spelling mistake.
20575 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20577 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20578 always have side-effects. Use memset not bzero.
20579 (make_node): Likewise.
20581 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20583 * stmt.c (expand_anon_union_decl): When any of the elements of the
20584 union is addressable, so is the entire union.
20586 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20588 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20590 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20591 * bitmap.c (bitmap_operation): Return true iff TO changed.
20592 (bitmap_equal_p): New.
20593 (bitmap_bit_p): Tidy arithmetic.
20594 (debug_bitmap_file): Likewise.
20596 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20598 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20599 before cse2 instead of after.
20601 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20603 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20606 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20608 * cppinit.c (is_idchar initializer): Loosen tests to accept
20611 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20613 * mips.md: Define conditional move patterns for floating point
20614 operands and DI mode conditions.
20616 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20618 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20619 always have side-effects.
20621 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20623 * mn10200.c (asm_file_start): Fix typo.
20625 * cppinit.c (is_idchar initializer): Tighten tests for when
20626 to put the table into initialized memory.
20628 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20629 not an array of rtunion.
20630 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20631 * gcc-simple (ggc_free_rtvec): Similarly.
20633 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20636 * mbchar.h: Add missing #endif.
20638 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20639 (FPBIT, DPBIT): Define.
20641 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20643 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20645 * profile.c (instrument_arcs, output_gcov_string,
20646 tablejump_entry_p): Add static prototypes.
20647 (output_gcov_string): Constify a char*.
20649 * regmove.c (replacement_quality, fixup_match_2): Add static
20652 * resource.h (reg_dead_p): Add extern prototype.
20654 * rtl.c (trim_filename): Add static prototype.
20656 * scan-decls.c (skip_to_closing_brace): Likewise.
20658 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20659 (expand_end_case): Initialize variable `range'.
20660 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20662 * varasm.c (asm_emit_uninitialised): Add static prototype.
20663 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20666 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20668 * cpplib.c (if_directive_nameo): Add static prototype.
20670 * cse.c (cse_insn): Remove unused variable `p'.
20672 * except.c (create_rethrow_ref, push_entry,
20673 receive_exception_label, new_eh_region_entry, find_func_region,
20674 clear_function_eh_region, process_nestinfo): Add static prototypes.
20675 (get_reg_for_handler): Hide definition.
20676 (process_nestinfo): Initialize variable `extra_handlers'.
20678 * expr.h (expand_builtin_longjmp): Add extern prototype.
20680 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20682 * function.c (prepare_function_start): Likewise.
20683 (pop_function_context_from): Mark parameter `context' with
20685 (push_temp_slots_for_block, flush_addressof): Hide definition.
20687 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20688 solve_program_flow_graph, calculate_branch_probs,
20689 function_summary, main, fancy_abort): Add prototypes.
20691 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20692 (add_hash): Constify a char*.
20694 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20695 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20696 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20698 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20700 * lists.c (free_list, zap_lists): Likewise.
20702 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20704 * alias.c (nonlocal_reference_p): Add static prototype.
20706 * bitmap.c (bitmap_element_allocate): Prototype args in function
20709 * builtins.c (stabilize_va_list): Add static prototype.
20710 (expand_builtin_va_arg): Constify a char*.
20712 * c-lex.c (getch, put_back, extend_token_buffer_to,
20713 read_line_number, token_getch, token_put_back): Add static
20716 * c-parse.gperf (hash, is_reserved_word): Likewise.
20718 * cccp.c (is_dir_separator): Likewise.
20720 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20722 * graph.h: New file to prototype functions exported by graph.c.
20724 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20726 * graph.c: Include graph.h.
20728 * toplev.c: Likewise. Remove redundant prototypes.
20730 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20732 * invoke.texi: Removed duplicated description for -Q.
20734 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20736 * extend.texi: Grammar fix in __extension__ text.
20738 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20740 * md.texi (define_peephole2): New section.
20742 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20744 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20745 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20748 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20750 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20752 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20754 * i386.md (ffs expander): Emit Pentium friendly code for
20757 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20759 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20761 (build1): Likewise.
20763 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20765 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20767 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20769 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20770 register is in use.
20772 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20774 * md.texi (No Constraints): Delete section.
20775 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20776 * final.c (final_scan_insn): We always have register constraints.
20777 * genattrtab.c: Don't include "insn-config.h".
20778 (write_attr_case): We always have register constraints.
20779 * genconfig.c (register_constraint_flag): Delete.
20780 (walk_insn_part): Don't check whether we have register constraints.
20781 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20782 * genoutput.c (have_constraints): Delete.
20783 (main): Don't set it.
20784 (output_operand_data): We always have constraints.
20785 (scan_operands): Likewise.
20786 (compare_operands): Likewise.
20787 * local-alloc.c (block_alloc): We always have constraints.
20788 (requires_inout): Always compile this function.
20789 * recog.c (extract_insn): We always have constraints.
20790 (constrain_operands, reg_fits_class_p): Always compile these
20792 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20794 (struct insn_operand_data): Likewise.
20795 * regclass.c (regclass): We always have constraints.
20796 (record_reg_classes, copy_cost, record_address_regs,
20797 auto_inc_dec_reg_p): Always compile these functions.
20798 * regmove.c (regmove_optimize): We always have constraints.
20799 * reload.c (find_reloads): Likewise.
20800 * reload1.c (reload): Likewise.
20801 (reload_cse_simplify_operands): Likewise.
20802 * i860.c (output_delay_insn): Likewise.
20804 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20806 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20808 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20810 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20811 for the va_list record.
20813 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20815 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20818 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20820 * alias.c: Include insn-flags.h.
20821 * Makefile.in (alias.o): Update.
20823 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20825 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20826 to LTU and GEU. Handle more cases using sbb.
20828 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20830 * i386.md (truncatexfdf splitters): Do not use subreg.
20831 (fop XFmode patterns): Fix mode in operand testing.
20833 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20835 * jump.c (jump_optimize_1): Amend last change to test only the
20836 form of the operand, not the insn.
20838 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20839 not register_operand to determine when B may need preloading.
20841 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20843 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20844 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20845 (call-value patterns): Move to end of file.
20846 (*): Remove mode from label_ref in (pc) context.
20847 (movstrqi): Use memory not general_operand for BLKmode operands.
20848 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20849 to register_operand operands.
20850 (peep2 patterns): Convert from commented-out peephole patterns.
20852 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20854 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20855 to BUILT_IN_INIT_DWARF_REG_SIZES.
20856 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20857 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20858 expand_builtin_init_dwarf_reg_sizes.
20859 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20860 with __builtin_init_dwarf_reg_size_table.
20861 * dwarf2out.c (struct reg_size_range): Delete.
20862 (expand_builtin_init_dwarf_reg_sizes): New function.
20863 (expand_builtin_dwarf_reg_size): Delete.
20864 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20865 (expand_builtin_dwarf_reg_size): Don't declare.
20866 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20867 (dwarf_reg_size_table): New.
20868 (init_reg_size_table): New function.
20869 (copy_reg): Use dwarf_reg_size_table.
20870 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20873 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20875 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20876 Correctly build argument list to constructor and destructor functions.
20878 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20880 * c-tree.h (warn_float_equal): Declare.
20881 * c-decl.c (warn_float_equal): Define.
20882 (c_decode_option): Recognize -W[no-]float-equal.
20883 * c-typeck.c (build_binary_op): Conditionally warn
20884 about equality tests of floating point types.
20885 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20886 * invoke.texi: Add docs for -Wfloat-equal warning.
20888 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20890 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20891 generating RTL directly.
20892 * mips.h (INIT_TARGET_OPTABS): Likewise.
20893 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20895 * expr.h (init_mov_optab): Delete declaration
20897 * h8300.c (WORD_REG_USED): Update to avoid useless register
20898 saves in interrupt functions and functions which never return.
20900 * cse.c (struct set): Delete inner_dest_loc field.
20901 (cse_insn): Remove assignments to inner_dest_loc field.
20903 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20905 * ggc-page.c: Don't include <unistd.h> etc taken care of
20906 by "system.h". Include <sys/mman.h> afterward.
20908 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20910 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20913 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20915 * xcoffout.c (xcoffout_declare_function): Add documentation.
20916 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20917 TARGET_64BIT. Compare constant to -1, not bit pattern.
20918 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20919 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20922 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20924 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20925 origin_die is NULL.
20926 (gen_inlined_enumeration_type_die): Do not abort if the type has
20927 not been writeen out.
20928 (gen_inlined_structure_type_die): Do not abort if the type has
20929 not been writeen out.
20930 (gen_inlined_union_type_die): Do not abort if the type has
20931 not been writeen out.
20932 (gen_tagged_type_instantiation_die): Do not abort if the type
20933 has not been written out.
20935 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20937 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20939 * reg-stack.c (straighten_stack): Copy hard reg set with
20942 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20944 * builtins.c (stabilize_va_list): Stabilize array type va_list
20945 to a pointer type, not the base record type.
20946 (expand_builtin_va_copy): Dereference the pointers explicitly;
20947 use the correct size for the copy.
20949 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20950 (rs6000_va_arg): Likewise.
20952 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20954 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20956 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20958 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20960 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20962 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20964 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20965 (init_ggc): Use it instead of a constant.
20966 (ggc_collect): Bound allocated_last_gc by it.
20968 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20970 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20973 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20975 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20976 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20977 * configure: Regen.
20978 * config/mips/openbsd.h: New, OpenBSD little endian target.
20979 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20980 * config/mips/xm-openbsd.h: New, OpenBSD host.
20982 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20984 * config/m68k/m68k.c (output_function_prologue,
20985 output_function_epilogue): Use
20986 current_function_uses_pic_offset_table instead of regs_ever_live
20987 to decide whether to save/restore pic register.
20988 (legitimize_pic_address): Don't modify regs_ever_live any more.
20990 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20992 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20993 * stor-layout.c (variable_size): Don't add sizes to the pending
20994 sizes list if x_dont_save_pending_sizes_p is set.
20996 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20998 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20999 for symbolic_operand().
21000 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
21002 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21004 * combine.c (gen_rtx_combine): Add missing call to va_end().
21006 * final.c (asm_fprintf): Likewise.
21008 * genattrtab.c (attr_rtx): Likewise.
21010 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
21012 * cse.c: Update comments.
21013 (cse_insn): When converting a conditional/computed jump into
21014 an unconditional jump, always make sure a BARRIER immediately
21015 follows the converted jump. Do not delete unreachable code.
21016 (cse_basic_block): Do not delete unreachable code.
21017 * toplev.c (rest_of_compilation): Move call to
21018 delete_trivially_dead_insns after the conditional call to
21021 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21023 * collect2.c (make_temp_file): Don't prototype.
21025 * gcc.c (make_temp_file): Likewise.
21027 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
21029 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
21031 * varasm.c (asm_emit_uninitialised): New function: Generate
21032 the assembler statements necessary to declare an uninitialised
21034 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
21036 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
21037 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
21039 (assemble_variable): Use asm_emit_uninitialised to emit an
21040 uninitialised variable.
21042 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
21044 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
21045 constant on a 64 bit host. Patch supplied by Geoffrey Keating
21046 <geoffk@cygnus.com>.
21048 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21050 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
21051 * c-common.h (builtin_function): Don't declare.
21053 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
21055 (pushdecl): Likewise.
21056 (finish_decl): Likewise.
21057 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
21058 int. All callers changed.
21059 Set the builtin's DECL_BUILT_IN_CLASS.
21060 * tree.h (enum built_in_class): New.
21061 (enum built_in_function): Delete NOT_BUILT_IN.
21062 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
21064 (DECL_SET_FUNCTION_CODE): Likewise.
21065 (DECL_BUILT_IN_CLASS): New macro.
21066 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
21067 (struct tree_decl): Split builtin function code field into a
21069 (builtin_function): Declare.
21071 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
21073 * optabs.c (init_traps): Fix typo in last change.
21075 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
21077 * toplev.c (rest_of_decl_compilation): Update comment.
21079 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21081 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
21082 in .sbss if appropriate.
21083 (EXTRA_SECTION_FUNCTIONS): Add sbss.
21084 (SBSS_SECTION_ASM_OP): New macro.
21085 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
21086 (EXTRA_SECTIONS): Add in_sbss.
21087 * config/mips/mips.h: Prototype sbss_section.
21089 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
21091 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
21094 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
21096 * optabs.c (init_traps): Register trap_rtx as a GC root.
21098 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21100 * config/mips/mips.c (function_arg_pass_by_reference): Define
21101 unconditionally, since it's called unconditionally.
21103 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21105 * toplev.c (documented_lang_options): Add -fshort-wchar.
21106 * c-decl.c (c_decode_option): Likewise.
21107 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
21109 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
21110 * gcc.c (default_compilers): If -fshort-wchar,
21111 override __WCHAR_TYPE__.
21112 * tm.texi (C Dialect Options): Add -fshort-wchar.
21114 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
21115 symbol for a variable.
21117 * cpplib.h (CPP_PREPROCESSED): New macro.
21118 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
21119 we're seeing this input for a second time.
21121 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
21123 * emit-rtl.c (init_emit_once): Initialize modes first.
21125 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
21127 * config/i386/i386.c (pic_label_name): Change to char pointer.
21128 (global_offset_table): New variable.
21129 (load_pic_register): Fill global_offset_table if it hasn't
21130 already been done. Allocate pic_label_name dynamically.
21131 * ggc.h (empty_string): New variable.
21132 * ggc-simple.c (empty_string): Likewise.
21133 (init_ggc): Allocate empty_string and add as root.
21134 * stmt.c (digit_strings): New variable.
21135 (init_stmt): Add last_block_end_note as root. Allocate and
21136 initialize digit_strings.
21137 (expand_asm_operands): Use empty_string instead of string
21138 constant. Use digit_strings instead of string constants.
21139 * profile.c (init_arc_profiler): Allocate string with
21140 ggc_alloc_string instead of xmalloc.
21141 (output_func_start_profiler): Likewise.
21142 * c-typeck.c (digest_init): Check if init is error_mark_node.
21144 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
21145 Richard Henderson <rth@cygnus.com>
21147 * ggc-page.c: New file.
21148 * Makefile.in (ggc-page.o): New.
21150 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
21152 * invoke.texi: Document -fdelete-null-pointer-checks
21153 * toplev.c (flag_delete_null_pointer_checks): New.
21154 (f_options): Add entry for -fdelete-null-pointer-checks.
21155 (rest_of_compilation): Conditionalize null pointer check
21156 elimination on flag_delete_null_pointer_checks.
21157 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
21159 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
21161 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
21162 copyright notice and special exception to GPL.
21164 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21166 * abi64.h (mips_function_value): Add prototype arguments.
21168 * mips-protos.h: New file with mips prototypes.
21170 * mips.c: Include "tm_p.h".
21171 (mktemp, lookup_name): Add prototype arguments.
21172 (extern_list, string_constant, mips_fill_delay_slot,
21173 mips_output_external, mips_output_external_libcall,
21174 mips_output_filename, mips_declare_object, function_prologue,
21175 mips_expand_prologue, function_epilogue, mips16_constant,
21176 build_mips16_function_stub, mips_output_conditional_branch):
21178 (mips_va_start): Remove unused variable `u'.
21179 (mips_va_arg): Cast value to unsigned when comparing against one.
21181 (save_restore_insns, mips_expand_prologue): Add missing arg in
21182 call to `large_int'.
21184 * mips.h: Move prototypes to mips-protos.h.
21185 (data_section, memory_address_p, rdata_section,
21186 readonly_data_section, simple_epilogue_p, text_section): Delete
21187 prototypes delcared elsewhere.
21188 (mips_epilogue_delay_slots, print_options): Delete unused decls.
21190 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
21192 * mips.md: Delete extra args in call to `mips_move_2words'.
21194 * xm-iris6.h (alloca): Add prototype argument.
21196 * genpeep.c: Include "tm_p.h" in generated output file.
21198 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21200 * basic-block.h (find_edge_index): Change parameters.
21201 * flow.c (verify_edge_list): Pass basic_block parameters to
21202 find_edge_index instead of integers.
21204 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
21206 * combine.c (simplify_comparison): Use an unsigned shift to adjust
21209 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
21211 * gcc.1: Fix a formatting error.
21213 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21215 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
21216 i786, mn10200, mn10300, pdp11, v850.
21218 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
21220 * libgcc2.c (num_digits): Add prototype with
21221 __attribute__((const)).
21222 (__terminate): Add prototype.
21224 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
21226 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
21228 * alpha/alpha.c (print_operand): Fix type of `code'.
21229 (alpha_output_filename): Constify.
21230 * alpha/alpha.h: Move all function declarations ...
21231 * alpha/alpha-protos.h: ... here. New file.
21232 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
21233 (SECTION_FUNCTION_TEMPLATE): Likewise.
21235 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21237 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
21238 * expr.c (expand_expr): Likewise.
21239 (do_jump): Likewise.
21240 (do_store_flag): Pass ccp_store_flag to can_compare_p.
21241 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
21243 (enum can_compare_purpose): New.
21244 (can_compare_p): Adjust prototype.
21245 (prepare_cmp_insn, prepare_operand): Declare.
21246 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
21247 * optabs.c (cmp_available_p): Deleted.
21248 (expand_abs): Pass ccp_jump to can_compare_p.
21249 (can_compare_p): New arg PURPOSE. Check for combined optabs.
21250 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
21251 Call can_compare_p rather than cmp_available_p.
21252 (prepare_operand): No longer static.
21253 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
21254 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
21255 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
21256 sequence to use emit_cmp_and_jump_insns.
21257 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
21259 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
21261 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
21262 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
21263 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
21264 (plus (reg) (const_int 0))
21265 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
21267 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
21269 * rs6000.c (expand_block_move): DImode loads and stores require
21270 word-aligned displacements. Increment address registers with
21271 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
21273 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
21275 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
21276 is no name for the base type, rather than segfault. If we are
21277 writing out a complex integer type, use DW_ATE_lo_user.
21279 * expr.c (emit_move_insn_1): If we are copying a complex that fits
21280 in one word or less (complex char, complex short, or on 64 bit
21281 systems complex float) to/from a hard register, copy it through
21282 memory instead of dying in gen_{real,imag}part. If we have a
21283 short complex type, prevent inlining since it allocates stack
21286 * tree.c (build_complex_type): If we are writing dwarf2 output,
21287 generate a name for complex integer types.
21289 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21291 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
21292 * flow.c (remove_edge): Remove extra whitespace.
21293 (remove_fake_edges): Fix comment.
21294 (add_noreturn_fake_exit_edges): Use the correct name.
21296 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
21298 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
21299 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
21300 (clean): Depend on INTL_CLEAN.
21301 (maintainer-clean): Adjust.
21303 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21305 * configure.in (AC_PREREQ): Bump to 2.13.
21306 (AC_C_STRINGIZE): Call this instead of using a custom macro.
21308 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
21310 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
21312 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
21314 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
21315 (HAVE_STRINGIZE): Define.
21317 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
21319 * c-parse.in: save and restore warn_pointer_arith on __extension__
21320 along with pedantic.
21321 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
21322 Set the type of extension to itype rather than $<itype>1 kludge.
21323 * extend.texi (Alternate Keywords): Adjust documentation.
21324 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
21326 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
21328 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
21329 most assembler templates.
21331 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
21332 FP loads and stores.
21333 (following_call): Always return zero for the PA8000.
21334 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
21335 FP loads and stores.
21336 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
21338 * pa.h (BRANCH_COST): Define.
21340 * pa.md (return, return_internal): Use bve for PA2.0.
21342 * pa.md (fused multiply): Add variants which reduce height for the
21343 fused multiply, but which still generate 2 insns.
21344 (fnegabs): Similarly.
21346 * pa.md (subsi3): Turn into an expander. Create two anonymous
21347 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
21348 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
21350 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
21352 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
21354 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
21355 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
21357 * regclass.c (init_regs): Add "top_of_stack" as a garbage
21360 * flow.c (record_active_eh_regions): Terminate loop after finding
21361 the last insn in the last basic block.
21363 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21365 * config/c4x/c4x.md: Delete parallel instruction peepholes.
21367 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21369 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
21371 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21373 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
21374 splitting to not use output template.
21376 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21378 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
21379 * config/c4x/c4x.c (c4x_va_start): New function.
21381 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
21383 * genrecog.c (not_both_true): Handle correctly cases when called for
21384 tests with different positions in the insn.
21386 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21388 * machmode.h (HOST_PTR_PRINTF): Move from here ...
21390 * system.h (HOST_PTR_PRINTF): ... to here.
21392 * mips-tfile.c: Don't include machmode.h.
21394 * Makefile.in (MACHMODE_H): New variable. Update to use it.
21395 (mips-tfile.o): Don't depend on machmode.h.
21397 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21399 * haifa-sched.c (sched_analyze): Rename local variable `region' to
21400 avoid conflicts with typedef struct `region' at the top level scope.
21402 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
21404 * basic-block.h (basic_block): Add eh_beg, eh_end.
21405 * flow.c (entry_exit_blocks): Update.
21406 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
21407 Call new functions.
21408 (find_basic_blocks_1): Don't record eh_list at each bb. Use
21409 lists.c functions to allocate insn lists.
21410 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
21412 (make_eh_edge): ... here. New.
21413 (move_stray_eh_region_notes): New.
21414 (record_active_eh_regions): New.
21415 (delete_unreachable_blocks): Split out block merging ...
21416 (try_merge_blocks): ... here. New.
21417 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
21418 Dump debugging data.
21419 (merge_blocks_move_successor_nojumps): Likewise.
21420 (merge_blocks): Use eh_beg+eh_end to validate block movement.
21422 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21424 * extend.texi (Bound member functions): Document unbound pmf
21427 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21429 * flow.c (split_edge): Handle insertion on a fallthrough edge which
21430 has the EXIT_BLOCK as a dest.
21432 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21434 * flow.c (remove_edge): New function to remove an edge from the
21436 (remove_fake_successors): New function to remove fake successor edges.
21437 (remove_fake_edges): New function to remove all fake edges from the
21439 (add_fake_exit_edges): New function to add fake edges from all blocks
21440 with no successors to the exit block.
21441 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
21442 prototypes for new functions.
21444 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21446 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
21447 Use Pmode to determine whether to output .dword or .word.
21449 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
21451 * tree.c (built_in_filename): New variable.
21452 (BUILT_IN_FILENAME): New macro.
21453 (init_tree_codes): Allocate built_in_filename.
21454 (make_node): Use built_in_filename instead of string constant.
21456 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
21458 * configure.in: Add fr30 target.
21459 * configure: Regenerate.
21460 * config/fr30: New directory.
21461 * config/fr30/crti.asm: New file.
21462 * config/fr30/fr30.c: New file.
21463 * config/fr30/crtn.asm: New file.
21464 * config/fr30/fr30.h: New file.
21465 * config/fr30/fr30.md: New file.
21466 * config/fr30/lib1funcs.asm: New file.
21467 * config/fr30/t-fr30: New file.
21468 * config/fr30/xm-fr30.h: New file.
21470 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
21472 * flow.c (merge_blocks_move_successor_nojumps): Delete the
21473 BARRIER at the end of the successor, not the BARRIER before
21476 * pa.c (pa_add_gc_roots): Fix thinko in last change.
21478 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
21480 * stmt.c (any_pending_cleanups): Don't crash when
21481 current_function->stmt is unset.
21483 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21485 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
21486 other initializations that may use it for relative offsets.
21488 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21490 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
21491 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
21492 * config/i386/sol2dbg.h: Removed.
21493 * config/i386/sol2gas.h: New file, to enable gas work-around.
21494 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
21495 Don't use sol2dbg.h.
21496 * configure: Rebuilt.
21498 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
21500 * invoke.texi (-fthis-is-variable): Remove documentation.
21502 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
21504 * basic-block.h (compute_bb_for_insn): Declare.
21505 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
21506 to use; set size of basic_block_for_insn directly.
21507 (find_basic_blocks): Update.
21509 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21511 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21513 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21515 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21516 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21518 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21520 * c-decl.c (c_decode_option): Extend comment.
21522 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21524 * toplev.c (progname): Make 'const char *'
21525 (flag_print_mem): Move out of main.
21526 (version_flag): Move out of main.
21527 (filename): Move out of main.
21528 (debug_args): Remove g prefix from options.
21529 (documented_lang_options): Remove cpplib specific options.
21530 (display_help): Add g prefix to debug options.
21531 (check_lang_option): Delete this function.
21532 (decode_d_option): New function: Decode -d... option.
21533 (decode_f_option): New function: Decode -f... option.
21534 (decode_W_option): New function: Decode -W... option.
21535 (decode_g_option): New function: Decode -g... option.
21536 (independent_decode_option): New function: Decode a language
21537 independent command line option.
21538 (main): Invoke lang_decode_option and then
21539 independent_decode_option on each command line option in
21542 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21544 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21545 * fold-const.c (fold_range_test): Do not try to fold the range
21546 test if the rhs or lhs has side effects.
21548 * basic-block.h (compute_flow_dominators): Declare.
21550 * gcse.c (alloc_code_hoist_mem): New function.
21551 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21552 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21553 (hoist_code, one_code_hoisting_pass): Likewise.
21554 (gcse_main): If optimizing for size, then hoist expressions
21555 computed in multiple dominated basic blocks.
21557 * gcse.c (invalid_nonnull_info): New function.
21558 (delete_null_pointer_checks): Likewise.
21559 * rtl.h (delete_null_pointer_checks): Declare.
21560 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21562 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21563 (merge-blocks_move_successor_nojumps): Likewise.
21564 (merge_blocks): Allow merging of some blocks, even if it requires
21565 physical movement of the blocks, but not if it requires new jumps.
21567 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21568 Callers and prototype changed.
21569 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21571 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21573 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21574 -YP when both -p and -pg are present. From i386/sol2.h.
21576 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21578 * Makefile.in (distclean): Delete tm_p.h.
21579 * configure.in: Create a new file, "tm_p.h", from a list in
21580 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21581 "i386/i386-protos.h".
21583 * alias.c: Include "tm_p.h".
21584 * c-typeck.c: Likewise.
21585 * calls.c: Likewise.
21587 * emit-rtl.c: Likewise.
21588 * explow.c: Likewise.
21589 * expmed.c: Likewise.
21590 * expr.c: Likewise.
21591 * final.c: Likewise.
21592 * flow.c: Likewise.
21593 * fold-const.c: Likewise.
21594 * function.c: Likewise.
21595 * gcse.c: Likewise.
21596 * global.c: Likewise.
21597 * haifa-sched.c: Likewise.
21598 * integrate.c: Likewise.
21599 * jump.c: Likewise.
21600 * local-alloc.c: Likewise.
21601 * loop.c: Likewise.
21602 * optabs.c: Likewise.
21603 * recog.c: Likewise.
21604 * reg-stack.c: Likewise.
21605 * regclass.c: Likewise.
21606 * regmove.c: Likewise.
21607 * reload.c: Likewise.
21608 * reload1.c: Likewise.
21609 * reorg.c: Likewise.
21610 * resource.c: Likewise.
21611 * stmt.c: Likewise.
21612 * stor-layout.c: Likewise.
21613 * toplev.c: Likewise.
21614 * tree.c: Likewise.
21615 * unroll.c: Likewise.
21616 * genattrtab.c (main): Make generated file include "tm_p.h".
21617 * genemit.c (main): Likewise.
21618 * genoutput.c (main): Likewise.
21619 * genrecog.c (main): Likewise.
21621 * i386.h: Delete all prototypes.
21622 * i386.c: Include "tm_p.h".
21623 (ix86_attr_length_default): Call constant_call_address_operand
21624 with correct number of arguments.
21625 * i386-protos.h: New file.
21626 * i386.md (unnamed patterns): Call constant_call_address_operand
21627 with correct number of arguments.
21628 (exception_receiver): Call load_pic_register with correct number
21631 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21633 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21635 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21637 * rtl.h (insns_safe_to_move_p): New function.
21638 * loop.c (find_and_verify_loops): Use it.
21639 * rtlanal.c (insns_safe_to_move_p): Define it.
21641 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21643 * c-pragma.c: Include ggc.h.
21644 * Makefile.in (c-pragma.o): Update.
21646 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21648 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21649 (LIB_SPEC): Likewise.
21650 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21651 Reindent -YP/-p/-pg.
21652 Copied from config/sparc/sol2.h.
21654 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21656 * c-pragma.c (mark_align_stack): New.
21657 (init_pragma): New.
21658 * c-pragma.h (init_pragma): Declare it.
21659 * c-lex.c (init_parse): Call it.
21661 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21663 * configure.in: Pick up thread library on Solaris/x86 just
21664 like on Solaris/sparc.
21665 * configure: Rebuilt.
21667 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21669 * rtl.h (global_rtx_index): New enum.
21670 (global_rtl): Change to array of rtx.
21671 (pc_rtx, cc0_rtx): Redefine accordingly.
21672 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21673 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21674 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21675 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21676 (const_int_rtx): Change to array of rtx.
21677 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21679 * emit-rtl.c (global_rtl): Change to array of rtx.
21680 (const_int_rtx): Change to aray of rtx.
21681 (gen_rtx_CONST_INT): Redefine accordingly.
21682 (init_emit_once): Allocate and initialize global_rtl. Likewise
21683 for const_int_rtx. Add both as GC roots.
21684 * genattrtab.c (global_rtl): Update declaration.
21686 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21688 * Makefile (USER_H): Add iso646.h back.
21690 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21692 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21693 zapping the LOG_LINKS of sched_before_next_call.
21695 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21696 * pa.c (insn_refs_are_delayed): Renamed from
21697 insn_sets_and_refs_are_delayed.
21699 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21701 * functiion.h (struct function): Add x_whole_function_mode_p.
21702 (retrofit_block): Declare.
21703 * function.c (retrofit_block): New function.
21704 (identify_blocks): Add assertions. Allow an incomplete set of
21705 block notes if we're still generating code for the function.
21706 * integrate.c: Include loop.h.
21707 (expand_inline_function): Call find_loop_tree_blocks to map block
21708 notes to blocks when in whole-function mode. Use retrofit_block
21709 to insert new BLOCKs for the inlined function, rather than
21711 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21712 * Makefile.in (integrate.o): Depend on loop.h.
21714 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21716 * tree.h (warn_about_unused_variables): Declare.
21717 * stmt.c (warn_about_unused_variables): New function, split out
21719 (expand_end_bindings): Here.
21721 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21723 * stmt.c (preserve_subexpressions_p): Don't crash when
21724 current_function->stmt is unset.
21726 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21728 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21729 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21730 (expand_start_target_temps): Use it.
21731 * except.c (expand_eh_region_start_for_decl): Likewise.
21732 * expr.c (expand_expr): Likewise.
21734 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21736 * fold-const.c (operand_equal_p): Pay attention to side effects.
21738 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21740 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21741 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21743 * tlink.c (scan_linker_output): Look for keywords before accepting
21744 a mangled name in quotes.
21746 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21748 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21749 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21751 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21753 * alpha.md: Revert Thu Nov 26 change that came in through the
21754 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21755 Avoid earlyclobber when possible.
21757 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21759 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21761 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21762 Define HAVE_ON_EXIT.
21764 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21766 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21767 CTYPE_CONV in all ctype macros.
21769 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21772 * cexp.y (initialize_random_junk): Likewise.
21774 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21776 * i370.c (handle_pragma): Likewise.
21778 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21780 * v850.c (override_options): Likewise.
21782 * doprint.c (_doprnt): Likewise.
21784 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21787 * fixinc/server.c (load_data): Likewise.
21789 * fold-const.c (real_hex_to_f): Likewise.
21791 * genattr.c (write_upcase, gen_attr): Likewise.
21793 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21794 write_upcase): Likewise.
21796 * genemit.c (print_code): Likewise.
21798 * genopinit.c (gen_insn): Likewise.
21800 * genpeep.c (print_code): Likewise.
21802 * genrecog.c (print_code): Likewise.
21804 * optabs.c (init_libfuncs): Likewise.
21806 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21808 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21810 (reemit_notes): Likewise.
21812 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21814 * ggc.h (ggc_root): Move to ggc-common.c.
21816 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21817 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21818 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21819 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21820 * ggc-common.c (ggc_root): Move from ggc.h.
21821 (roots): Declare, static.
21822 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21823 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21824 null or check/set mark bit.
21825 (ggc_mark_roots): New.
21826 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21828 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21830 * m32r.c: Include toplev.h.
21831 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21832 (gen_compare): Rename swap_p to must_swap to match uses.
21833 Add default abort case.
21834 (m32r_output_function_epilogue): Remove unused variables.
21835 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21836 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21837 define to empty parameter list. Update all uses.
21838 (predicate decls): Use enum machine_mode not int.
21839 * m32r.md (movsi): Call abort, not fatal_insn.
21840 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21842 1999-09-14 Andrew Haley <aph@cygnus.com>
21844 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21845 use $0 instead of 0.
21847 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21849 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21850 computation out of loop over hard regs.
21852 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21854 * function.c (identify_blocks): Don't shadow a variable in an
21856 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21857 pushdecl, or poplevel to build up the new BLOCK tree.
21858 (expand_inline_function): Likewise.
21859 (integrate_parm_decls): Likewise.
21861 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21863 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21865 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21867 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21868 * invoke.texi: Document this change.
21870 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21872 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21874 (mark_emit_status): Renamed from mark_emit_state.
21875 * except.c (mark_eh_status): Renamed from mark_eh_state.
21876 Check not null before marking.
21877 (free_eh_status): New.
21878 * expr.c (mark_expr_status, free_expr_status): New.
21879 * function.c (free_machine_status): New.
21880 (free_after_parsing): New.
21881 (free_after_compilation): Move bits to free_after_parsing; call
21882 free_eh_status, free_expr_status; zero the marked members of the
21884 (prepare_function_start): No can_garbage_collect.
21885 Call init_eh_for_function.
21886 (expand_dummy_function_end): Free up current_function state.
21887 (mark_function_status): Renamed from mark_function_state.
21888 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21889 * function.h (struct function): No can_garbage_collect.
21890 (free_machine_status, free_after_parsing): Declare.
21891 (free_eh_status, free_expr_status): Declare.
21892 * ggc.h (mark_expr_status): Declare.
21893 * stmt.c (free_stmt_status): Free the struct.
21894 (mark_stmt_status): Renamed from mark_stmt_state.
21895 (init_stmt): Don't call init_eh.
21896 (init_stmt_for_function): Don't call init_eh_for_function.
21897 * toplev.c (compile_file): Call init_eh.
21898 (rest_of_compilation): Free basic block info before ggc_collect.
21899 Call free_after_parsing; conditionally call free_after_compilation.
21900 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21901 Check not null before marking.
21902 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21904 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21906 * c-lex.c (yylex): Initialize warn.
21908 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21910 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21911 register when performing secondary reloads for the SAR register.
21913 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21915 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21916 (NOTE_BLOCK): New macro.
21917 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21918 * function.h (identify_blocks): Change prototype.
21919 * function.c (identify_blocks): Simplify.
21920 (reorder_blocks): Likewise.
21921 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21922 NOTE_INSN_BLOCK_{BEG,END}.
21923 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21924 the list of saved notes if the note isn't a
21925 NOTE_INSN_BLOCK_{BEG,END}.
21926 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21928 (reemit_notes): Adjust recreation of notes to reflect new saved
21930 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21931 printing a block note.
21932 * stmt.c (block_vector): Remove.
21933 (find_loop_tree_blocks): Simplify.
21934 (unroll_block_trees): Likewise.
21935 * tree.h (reorder_block): Change prototype.
21937 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21939 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21940 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21941 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21942 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21943 (atexit, exit): Simplify.
21944 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21945 * config/lots: Remove defns of HAVE_ATEXIT.
21947 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21949 * calls.c (precompute_arguments): Fix typo in comment.
21950 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21953 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21955 * dsp16xx.c (override_options): Fix typos in GC root registration.
21957 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21959 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21960 from config/svr4.h.
21961 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21962 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21963 (CC1_SPEC): Likewise.
21965 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21967 * genattr.c (main): Add extern prototype. Call return, not exit.
21968 * genattrtab.c (main): Likewise.
21969 * gencheck.c (main): Likewise.
21970 * gencodes.c (main): Likewise.
21971 * genconfig.c (main): Likewise.
21972 * genemit.c (main): Likewise.
21973 * genextract.c (main): Likewise.
21974 * genflags.c (main): Likewise.
21975 * gengenrtl.c (main): Likewise.
21976 * genopinit.c (main): Likewise.
21977 * genoutput.c (main): Likewise.
21978 * genpeep.c (main): Likewise.
21979 * genrecog.c (main): Likewise.
21981 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21982 * genattrtab.c (get_insn_name): Likewise.
21983 * gencodes.c (get_insn_name): Likewise.
21984 * genconfig.c (get_insn_name): Likewise.
21985 * genemit.c (get_insn_name): Likewise.
21986 * genextract.c (get_insn_name): Likewise.
21987 * genflags.c (get_insn_name): Likewise.
21988 * genopinit.c (get_insn_name): Likewise.
21989 * genpeep.c (get_insn_name): Likewise.
21991 * gencheck.c (usage): Add static prototype.
21992 * genextract.c (print_path): Constify a char*.
21993 * genopinit.c (optabs): Likewise.
21994 * genoutput.c (operand_data, data, output_predicate_decls,
21995 compare_operands): Likewise.
21996 * genrecog.c (write_tree): Add default case in switch.
21998 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22000 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
22002 * print-rtl.c (get_insn_name): Remove prototype.
22004 * toplev.h (progname): Declare const.
22006 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
22007 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
22008 dump_sched_info, dump_local_alloc, regset_release_memory,
22009 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
22010 error_with_file_and_line, error_with_decl, error_for_asm, error,
22011 fatal, warning_with_file_and_line, warning_with_decl, warning,
22012 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
22013 Remove redundant prototypes.
22015 (notice, check_lang_option, report_file_and_line, vnotice,
22016 mark_file_stack): Add static prototype.
22017 (set_fatal_function): Add prototype.
22018 (vnotice, report_file_and_line, set_fatal_function,
22019 check_lang_option): Constify a char*.
22020 (main): Prototype. Call return, not exit.
22022 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22024 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
22026 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
22028 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
22030 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
22032 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22034 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
22035 behave as if it's zero in all cases.
22036 (expand_function_start): Adjust call to assign_parms.
22037 * tree.h (assign_parms): Adjust prototype.
22038 * objc/objc-act.c (hack_method_prototype): Adjust call to
22041 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
22043 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
22044 arg_pointer_rtx fixed if the argument pointer register is
22046 (NONZERO_BASE_PLUS_P): Likewise.
22048 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
22050 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
22051 match_insn2 to match_insn.
22052 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
22054 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
22056 * Makefile.in (USER_H): Remove va-foo.h.
22058 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
22059 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
22060 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
22061 va-spur.h,va-v850.h}: Remove.
22063 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
22065 * sparc/sparc.md (eligible_for_return_delay): New attribute.
22066 (in_return_delay): Use it instead of match_insn.
22068 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22070 * config/alpha/va_list.h (va-alpha.h): Do not include.
22071 (__gnuc_va_list): Typedef as in varargs.h.
22073 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
22075 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
22076 DECL_LIVE_RANGE_RTL.
22078 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
22080 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
22081 not NOTE_BLOCK_NUMBER.
22082 (expand_eh_region_end): Likewise.
22083 (find_exception_handler_labels): Likewise.
22084 (scan_region): Likewise.
22085 (exception_optimize): Likewise.
22086 (update_rethrow_references): Likewise.
22087 (set_insn_eh_region): Likewise.
22088 * final.c (final_scan_insn): Likewise.
22089 * flow.c (make_edges): Likewise.
22090 * integrate.c (expand_inline_function): Likewise.
22091 * print-rtl.c (print_rtx): Likewise.
22093 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
22095 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
22096 terms of builtin functions and types.
22098 * mips.c (mips_build_va_list): New.
22099 (mips_va_start, mips_va_arg): New.
22100 * mips.h (BUILD_VA_LIST_TYPE): New.
22101 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22103 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
22104 (sh_build_va_list, sh_va_start, sh_va_arg): New.
22105 * sh.h (BUILD_VA_LIST_TYPE): New.
22106 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22108 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
22110 * recog.h (struct recog_data): Make dup_num, operand_address_p,
22111 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
22112 (struct insn_data): Likewise with n_operands, n_dups,
22113 n_alternatives, output_format.
22114 * regclass.c (scan_one_insn): Cast n_operands to int before
22115 arithmetic inside comparison.
22117 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
22119 * toplev.c (compile_function): Unconditionally emit nop.
22121 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22123 * haifa-sched.c (actual_hazard): Move declaration of variable
22124 `this_cost' into the scope where it is used.
22126 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22128 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
22129 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
22130 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
22132 * genrecog.c (make_insn_sequence): Call memset, not bzero.
22134 * jump.c (find_insert_position): Don't declare or define unless
22135 !HAVE_conditional_arithmetic.
22136 (returnjump_p_1, delete_prior_computation): Add static prototypes.
22138 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
22140 * recog.c (offsettable_address_p): Prototype function pointer.
22141 (preprocess_constraints): Call memset, not bzero.
22143 * tree.c (tree_node_kind_names): Constify a char*. Make static.
22144 (gcc_obstack_init): Don't declare.
22145 (fix_sizetype): Add static prototype.
22146 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
22147 (tree_cons): Call memset, not bzero.
22149 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
22150 definition in macro ASM_WEAKEN_LABEL.
22151 (mark_const_hash_entry): Add static prototype.
22153 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22155 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
22157 * unroll.c (find_common_reg_term, subtract_reg_term,
22158 loop_find_equiv_value): Add static prototypes.
22159 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
22160 (copy_loop_body): Remove unreachable break statement.
22162 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
22164 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
22166 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22168 Undo some changes from the gcc2 merge:
22169 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
22170 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
22174 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
22175 * emit-rtl.c (gen_lowpart_common): Disable optimization of
22176 initialized float-int union if the value is a NaN.
22178 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
22180 * gthr-win32.h: New file.
22182 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
22183 shared as a valid attribute.
22184 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
22185 * extend.texi: Document `shared' variable attribute.
22187 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
22189 * configure.in: Handle --enable-threads on FreeBSD.
22190 * configure: Rebuit.
22192 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22194 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
22196 * configure: Rebuilt.
22198 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
22199 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
22200 Rosimildo DaSilva <rdasilva@connecttel.com>
22202 * configure.in (m68k-*-rtemscoff*): Added.
22203 * configure.in (mips64orion-*-rtems*): Converted to ELF.
22204 * configure.in (sparc-*-rtemsaout*): Added as alias for old
22205 sparc-rtems configuration.
22206 * configure.in (sparc-*-rtemself*): Added.
22207 * configure.in (sparc-*-rtems*): Now ELF not a.out.
22208 * config/i386/rtems.h: Added comment.
22209 * config/sparc/rtemself.h: New file.
22211 * configure.in (m68k-rtemself): Added.
22212 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
22213 and DWARF_DEBUGGING_INFO.
22214 * config/m68k/crti.s: New file.
22215 * config/m68k/crtn.s: New file.
22216 * config/m68k/t-crtstuff: New file.
22217 * config/m68k/rtemself.h: New file.
22219 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
22220 global ctor/dtor and C++ exception handling.
22221 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
22222 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
22224 * config/i386/t-rtems-i386: New File.
22226 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
22228 * stmt.c (expand_end_case): Return right away if the case stack is
22231 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
22233 * Makefile.in (version.c): Remove rule incorrectly brought in from
22236 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
22238 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
22239 * msdos/top.sed: Take into account a prepended $(SHELL) to
22241 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
22243 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
22245 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22247 * regmove.c (fixup_match_1): Don't change an unchanging register.
22248 (stable_but_for_p): Renamed to:
22249 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
22250 Changed all callers.
22252 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
22254 * loop.c (strength_reduce): Don't call reg_used_between_p if the
22255 insn from BL2 is after the insn from BL.
22257 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
22259 * recog.h (INSN_OUTPUT_FORMAT_*): New.
22260 (struct insn_data): Merge `template' and `outfun' into `output'.
22261 Add `output_format'.
22262 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
22263 (struct data): Remove `outfun'; add `output_format'.
22264 (name_for_index): Remove declaration.
22265 (output_insn_data): Handle output formats.
22266 (process_template): Emit the bare array for @.
22267 (gen_expand, gen_split): Set output_format to NONE.
22268 * output.h (get_insn_template): Declare.
22269 * final.c (get_insn_template): New.
22270 (final_scan_insn): Use it.
22271 * toplev.c (compile_file): Likewise.
22273 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22274 * i860/i860.c (output_delayed_branch): Likewise.
22275 (output_delay_insn): Likewise.
22277 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22279 * rtl.c (obstack_alloc_rtx): Removed.
22281 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
22283 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
22285 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
22287 * i386.c (call_insn_operand): Reject const_int.
22288 (expander_call_insn_operand): Use call_insn_operand.
22290 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22292 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
22294 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
22296 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
22297 Use DImode operation.
22299 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
22301 * gcc.c: Include sys/resource.h.
22302 (report_times): New flag.
22303 (execute): If report_times is set, calculate and report the
22304 CPU time consumed by each subprocess.
22306 (rus, prus): New globals.
22307 (option_map): Add --time.
22308 (display_help): Document -time.
22309 (process_command): Set report_times if -time is given.
22310 Turn off -pipe if -time is given.
22312 * invoke.texi: Document new option -time.
22314 * configure.in: Check for getrusage. Check if we have to
22315 prototype getrusage.
22316 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
22317 * configure: Regenerate.
22318 * config.in: Regenerate.
22320 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
22322 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
22325 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
22327 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
22328 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
22329 (nan): Return _thenan_sf or _thenan_df as appropriate.
22330 (L_thenan_sf): Define _thenan_sf.
22331 (L_thenan_df): Define _thenan_df.
22333 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
22334 (DPBIT_FUNCS): Add _thenan_df.
22336 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
22338 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
22341 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22343 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
22346 (lang_specific_driver): Don't take a function pointer parameter.
22347 All callers changed.
22349 * gcc.c: Include gcc.h.
22350 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
22351 lang_specific_extra_outfiles, fatal): Don't declare.
22352 (multilib_defaults_raw): Constify.
22353 (read_specs): Call memset, rather than bzero.
22354 (main): Call return, not exit.
22355 (lookup_compiler): Call memcpy, not bcopy.
22356 (fatal): Make extern.
22358 * cppspec.c: Include gcc.h.
22359 (lang_specific_driver): Initialize variable `quote'. Constify a
22360 char*. All calls to the function pointer parameter now
22361 explicitly call `fatal'.
22363 * gccspec.c (lang_specific_driver): Include gcc.h.
22365 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
22367 * arm.c (note_invalid_constants): Use recog_data.operand_type
22370 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22372 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
22375 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
22376 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22377 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22378 reload_secondary_in_reload, reload_secondary_out_reload,
22379 reload_secondary_in_icode, reload_secondary_out_icode,
22380 reload_reg_rtx, reload_when_needed): Delete declarations.
22381 (struct reload): New structure.
22382 (rld): Declare new array.
22383 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
22384 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22385 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22386 reload_secondary_in_reload, reload_secondary_out_reload,
22387 reload_secondary_in_icode, reload_secondary_out_icode,
22388 reload_reg_rtx, reload_when_needed): Delete definitions.
22390 (whole file): Replace uses of the deleted arrays with uses of rld.
22391 * reload1.c (whole file): Replace uses of the deleted arrays with
22393 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
22394 explicit loops, not with bcopy.
22396 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
22398 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
22399 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
22400 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
22401 insn_name): Delete and consolidate into new structures.
22402 (insn_operand_predicate_fn): New.
22403 (insn_output_fn): New.
22404 (insn_gen_fn): New.
22405 (struct insn_operand_data): New.
22406 (struct insn_data): New.
22408 (OUT_FCN): Update for insn_data change.
22409 * builtins.c (expand_builtin_strlen): Likewise.
22410 (expand_builtin_memcmp): Likewise.
22411 * combine.c (make_extraction, simplify_comparison): Likewise.
22412 * cse.c (canon_reg, cse_insn): Likewise.
22413 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
22414 * expmed.c (store_bit_field, extract_bit_field): Likewise.
22415 (emit_store_flag): Likewise.
22416 * expr.c (convert_move, emit_block_move): Likewise.
22417 (clear_storage, emit_push_insn, expand_increment): Likewise.
22418 (do_store_flag): Likewise.
22419 * expr.h (GEN_FCN): Likewise.
22420 (insn_gen_function): Die.
22421 * final.c (final_scan_insn): Update for insn_data change.
22422 (output_asm_name): Likewise.
22423 * function.c (fixup_var_refs_1): Likewise.
22424 * loop.c (check_dbra_loop): Likewise.
22425 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
22426 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
22427 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
22428 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
22429 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
22430 * regmove.c (gen_add3_insn): Likewise.
22431 * reload.c (push_secondary_reload, combine_reloads): Likewise.
22432 (find_reloads, find_reloads_address_1): Likewise.
22433 (debug_reload_to_stream): Likewise.
22434 * reload1.c (emit_reload_insns, gen_reload): Likewise.
22435 * stmt.c (expand_end_case): Likewise.
22436 * toplev.c (compile_file): Likewise.
22438 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22439 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22441 * print-rtl.c (insn_name_ptr): Remove declaration.
22442 (get_insn_name): Declare.
22443 (print_rtx): Use it.
22444 * genoutput.c (insn_name_ptr): Remove.
22445 (next_operand_number): New.
22446 (struct operand_data): New.
22447 (null_operand, odata, odata_end): New.
22448 (struct data): Use struct operand_data.
22449 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
22450 (get_insn_name): Renamed from name_for_index.
22451 (output_prologue): Define NO_MD_PROTOTYPES.
22452 (output_predicate_decls): Break out from output_epilogue.
22453 Iterate over the operands list.
22454 (output_operand_data): Break out from output_epilogue. Emit
22455 just the operands list.
22456 (output_insn_data): Break out from output_epilogue. Emit just
22458 (output_epilogue): Remove.
22459 (output_get_insn_name): New.
22460 (constraints, op_n_alternatives, predicates, address_p): Die.
22461 (modes, strict_low, seen): Die.
22462 (scan_operands): Take new param `d' instead of writing to
22463 seven global variables.
22464 (compare_operands): New.
22465 (place_operands): New.
22466 (validate_insn_alternatives): Update for struct data change.
22467 (gen_insn): Don't zero or copy 7 global arrays. Update for
22468 scan_operands; call place_operands.
22469 (gen_peephole, gen_expand, gen_split): Likewise.
22470 (main): Update for new output routines.
22472 * genattr.c (insn_name_ptr): Remove.
22473 (get_insn_name): New function.
22474 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
22475 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
22476 * genrecog.c: Likewise.
22478 * alpha.md (adddi3): Make `pattern' array static.
22480 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22482 * config/c4x/c4x.h (c4x_rpts_cycles_string,
22483 c4x_cpu_version_string): Constify char *.
22484 * config/c4x/c4x.c (c4x_rpts_cycles_string,
22485 c4x_cpu_version_string): Likewise.
22487 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
22489 * tree.c (save_tree_status): Revert 10 Sep change.
22490 (restore_tree_status): Likewise. Call obstack_free with NULL
22491 before freeing the obstack proper.
22493 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
22495 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
22497 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
22498 surrounding context.
22500 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
22502 * tree.c (type_hash_canon): Put all types in the hash-table, when
22505 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
22507 * recog.h (struct recog_data, recog_data): New.
22508 (recog_foo variables): Kill.
22509 * recog.c (recog_operand, recog_operand_loc): Kill.
22510 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22511 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22512 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22513 (recog_data): Define.
22514 (extract_insn): Update all recog_foo references to use recog_data.
22515 (preprocess_constraints, constrain_operands): Likewise.
22516 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22517 * genattrtab.c (main): Likewise.
22518 * genextract.c (main): Likewise.
22519 * genoutput.c: Likewise.
22520 * genrecog.c (write_subroutine, main): Likewise.
22521 * local-alloc.c (block_alloc): Likewise.
22522 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22523 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22524 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22525 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22526 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22527 (reload_cse_simplify_operands): Likewise.
22529 * arc/arc.c (arc_final_prescan_insn): Likewise.
22530 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22531 * h8300/h8300.c (notice_update_cc): Likewise.
22532 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22533 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22534 * mn10200/mn10200.c (notice_update_cc): Likewise.
22535 * mn10300/mn10300.c (notice_update_cc): Likewise.
22536 * romp/romp.c (update_cc): Likewise.
22537 * sparc/sparc.c (check_pic): Likewise.
22538 * v850/v850.c (notice_update_cc): Likewise.
22540 * genemit.c (main): Don't declare recog_operand.
22542 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22544 * ggc.h (rtvec_def): Forward declare.
22545 (tree_node): Likewise.
22546 (ggc_root): Define.
22548 (ggc_set_mark_rtx): Add prototype.
22549 (ggc_set_mark_rtvec): Likewise.
22550 (ggc_set_mark_tree): Likewise.
22551 * ggc-simple.c (ggc_root): Don't define.
22552 (roots): Don't declare.
22553 (ggc_mark_rtx): Remove.
22554 (ggc_mark_rtvec): Likewise.
22555 (ggc_mark_tree): Likewise.
22556 (ggc_mark_varray): Likewise.
22557 (ggc_mark_tree_hash_table_entry): Likewise.
22558 (ggc_mark_tree_hash_table): Likewise.
22559 (ggc_set_mart_rtx): New function.
22560 (ggc_set_mark_rtvec): Likewise.
22561 (ggc_set_mark_tree): Likewise.
22562 (ggc_add_root): Remove.
22563 (ggc_add_rtx_root): Likewise.
22564 (ggc_remove_tree_root): Likewise.
22565 (ggc_add_string_root): Likewise.
22566 (ggc_add_tree_varray_root): Likewise.
22567 (ggc_add_tree_hash_table_root): Likewise.
22568 (ggc_del_root): Likewise.
22569 (ggc_mark_rtx_ptr): Likewise.
22570 (ggc_mark_tree_ptr): Likewise.
22571 (ggc_mark_string_ptr): Likewise.
22572 (ggc_mark_tree_varray_ptr): Likewise.
22573 (ggc_mark_tree_hash_table_ptr): Likewise.
22574 * ggc-common.c: New file.
22575 * Makefile.in (OBJS): Add ggc-common.o.
22576 (ggc-common.o): List dependencies.
22578 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22580 * cppalloc.c (xstrdup): Use memcpy.
22581 * cpperror.c (cpp_print_containing_files): Don't use
22583 * cpplib.c (conditional_skip): Set temp->lineno.
22584 (do_endif): Make error message less obscure.
22585 (if_directive_name): New function.
22586 (cpp_get_token [case EOF]): Unwind the if stack and generate
22587 error messages for each unterminated conditional in this file.
22588 (parse_string): Do not behave differently if -traditional.
22590 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22592 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22593 va_list decomposing to pointer-type.
22594 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22595 (rs6000_va_arg): Likewise.
22597 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22599 * except.c (start_dynamic_handler): Compute size using
22600 STACK_SAVEAREA_MODE.
22602 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22604 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22605 include directory headers. Don't define strrchr. Don't provide
22606 my_* replacement functions. Prefer PTR over `pointer_type'.
22607 Don't prototype system functions. Don't redefine getopt.
22609 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22610 safe_read, safe_write, save_pointers, restore_pointers,
22611 is_id_char, in_system_include_dir, directory_specified_p,
22612 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22613 find_corresponding_lparen, referenced_file_is_newer,
22614 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22615 process_aux_info_file, identify_lineno, check_source,
22616 seek_to_line, forward_to_next_token_char, output_bytes,
22617 output_string, output_up_to, other_variable_style_function,
22618 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22619 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22620 find_static_definition, connect_defs_and_decs, add_local_decl,
22621 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22622 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22623 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22624 scan_for_missed_items, edit_file, string_list_cons): Add static
22626 (standard_exec_prefix, target_machine, target_version,
22627 default_syscalls_dir, string_list, string_list_cons, find_file,
22628 do_cleaning): Constify a char*.
22629 (safe_read, safe_write): Use PTR, not a char*.
22630 (is_id_char): Take an int, not a char.
22631 (main): Add prototype. Call return, not exit.
22633 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22635 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22636 when comparing types.
22638 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22640 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22641 (strength_reduce): Release the varrays from the no-bivs early exit.
22643 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22644 the loop over the registers.
22646 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22648 (restore_tree_status): Check that instead when freeing the obstack.
22650 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22652 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22655 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22657 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22658 operand size modifiers.
22660 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22662 * c-common.c (c_common_nodes_and_builtins): Don't build
22664 * c-common.h (enum c_tree_index and related accesor macros): Remove
22665 everything now declared in tree.h.
22666 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22667 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22668 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22669 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22670 unsigned_type_node, ptr_type_node, va_list_type_node,
22671 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22672 (init_decl_processing): Call build_common_tree_nodes and
22673 build_common_tree_nodes_2 instead of building their nodes here.
22674 Don't add roots for these nodes.
22675 * stor-layout.c (size_zero_node, size_one_node): Delete.
22676 (set_sizetype): Make a new node for bitsizetype each time.
22677 * tree.c (global_trees): New variable.
22678 (init_obstacks): Add a gc root for it.
22679 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22680 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22681 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22682 (build_common_tree_nodes): New function.
22683 (fix_sizetype): New function.
22684 (build_common_tree_nodes_2): New function.
22685 * tree.h (enum tree_index): New.
22686 (global_trees): Declare.
22687 Add accessor macros for all nodes now moved to global_trees.
22688 Delete their declarations.
22690 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22692 * c-decl.c (finish_function): When processing a nested function,
22693 push and pop GC context around rest_of_compilation.
22695 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22697 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22698 Default ix86_arch to PROCESSOR_I386.
22699 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22700 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22701 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22702 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22703 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22704 (EXTRA_SPECS): Remove deleted specs.
22706 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22708 * function.c (assign_stack_local_1): Allocate from
22709 function->x_frame_offset, not frame_offset.
22711 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22713 * ggc.h (lang_cleanup_tree): Remove.
22714 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22715 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22717 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22718 TYPE_LANG_SPECIFIC when garbage collecting.
22719 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22720 (lang_cleanup_tree): Remove.
22722 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22724 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22725 * crtstuff.c: Not here.
22726 * dwarf2out.c: Or here.
22727 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22730 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22732 * function.h (free_after_compilation): Remove decl parameter.
22733 (free_varasm_status0: Likewise.
22734 (free_emit_status): Likewise.
22735 (free_stmt_status): Likewise.
22736 (free_after_compilation): Likewise.
22737 (init_lang_status): New variable.
22738 (free_lang_status): Likewise.
22739 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22740 * function.c (init_lang_status): New variable.
22741 (free_lang_status): Likewise.
22742 (push_function_context_to): Don't set function::decl here.
22743 (free_after_copmilation): Make decl parameter implicit. Call
22744 free_lang_status if defined.
22745 (prepare_function_start): Call init_lang_status if defined.
22746 (init_function_start): Set function::decl here.
22747 * profile.c (output_func_start_profiler): Don't call pushdecl
22748 until we've actually started the function.
22749 * stmt.c (free_stmt_status): Make decl parameter implicit.
22750 * toplev.c (rest_of_compilation): Don't pass decl to
22751 free_after_compilation.
22752 * varasm.c (free_varasm_status): Likewise.
22754 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22756 * except.c (call_get_eh_context): Add root when allocating static
22759 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22761 * arm.c: Include "ggc.h".
22762 (arm_add_gc_roots): New function.
22763 (arm_override_options): Call it.
22764 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22766 * arm.md (define_asm_attributes): Add a pool_range attribute.
22768 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22770 * extend.texi (Volatiles): New node.
22772 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22774 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22775 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22776 (struct ggc_any): Replace `mark' with `magic_mark'.
22777 (ggc_alloc_string): Use memcpy, not bcopy.
22778 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22779 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22780 (ggc_free_any): New.
22781 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22782 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22783 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22784 Use IS_MARKED. Use ggc_free_any.
22786 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22788 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22790 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22792 * toplev.c (main): Always init_ggc.
22794 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22796 * except.c (find_all_handler_type_matches): Free the list if
22797 we found no matches.
22799 * combine.c (SUBST): Break out to a real function do_SUBST.
22800 (SUBST_INT): Likewise.
22801 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22802 (pre_insert): Free `inserted'.
22803 * loop.c (basic_induction_var): Always set `location'.
22805 * function.c (expand_function_end): Add initial_trampoline as a root.
22806 * rtl.h (init_varasm_once): Declare.
22807 * toplev.c (compile_file): Call it.
22808 * ggc-simple.c (ggc_mark_string_ptr): New.
22809 (ggc_add_string_root): New.
22810 (ggc_collect): Disable collection avoidance temporarily.
22811 * ggc.h (ggc_add_string_root): Declare.
22812 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22813 * optabs.c (init_libfuncs): Likewise.
22814 * varasm.c (named_section): Use ggc_alloc_string.
22815 (make_function_rtl): Likewise.
22816 (make_decl_rtl): Likewise.
22817 (assemble_static_space): Likewise.
22818 (assemble_trampoline_template): Likewise.
22819 (output_constant_def): Likewise.
22820 (force_const_mem): Likewise.
22821 (mark_const_hash_entry): New.
22822 (mark_pool_sym_hash_table): New.
22823 (mark_varasm_state): Use it.
22824 (init_varasm_once): New.
22826 * expr.h (init_one_libfunc): Declare.
22827 * optabs.c (init_one_libfunc): New.
22828 (init_optabs): Use it.
22829 * config/gofast.h: Likewise.
22830 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22831 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22833 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22835 * Makefile.in (cppexp.o): Depend on cpphash.h.
22836 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22838 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22839 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22840 redefining poisoned identifiers, etc.
22841 (do_undef): Don't allow poisoned identifiers to be undefined.
22842 (do_pragma): Add #pragma poison.
22843 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22845 * cccp.c: Add T_POISON node type.
22846 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22848 (do_define): Generalise to handle poisoned definitions,
22849 redefining poisoned identifiers, etc.
22850 (do_undef): Don't allow poisoned identifiers to be undefined.
22851 (do_pragma): Add #pragma poison.
22852 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22854 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22855 * c-pragma.h: Add ps_poison state. We now always have generic
22858 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22860 * ggc.h (ggc_alloc): New function.
22861 (ggc_mark): Likewise.
22862 * ggc-simple.c (ggc_any): New structure.
22863 (ggc_status): Add anys.
22864 (n_anys_collected): New variable.
22865 (ggc_alloc): Define.
22866 (ggc_mark): Likewise.
22867 (ggc_collect): Collect the anys.
22869 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22871 * c-decl.c (mark_binding_level): Make static to match prototype.
22873 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22875 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22877 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22879 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22880 will use into account. Expand the max width to 5.
22883 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22885 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22886 for the rtx length.
22888 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22890 * alpha.md (call value patterns): Remove the result predicates.
22892 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22894 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22897 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22899 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22900 changed from extern char *, to extern PTR. Also fix typo in
22901 NEED_DECLARATION_REALLOC test.
22903 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22905 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22907 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22908 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22909 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22910 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22912 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22914 * cccp.c (pcfinclude): Likewise.
22916 * global.c (allocno_compare): Likewise.
22918 * haifa-sched.c (rank_for_schedule): Likewise.
22920 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22922 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22924 * stupid.c (stupid_reg_compare): Likewise.
22926 * tree.c (_obstack_allocated_p): Likewise.
22928 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22930 1999-09-08 Bruce Korb autogen@linuxbox.com
22932 * Makefile.in: Give the hapless gperf user a hint about
22933 why "gperf -F" fails.
22935 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22937 * lists.c: Include ggc.h.
22939 (init_EXPR_INSN_LIST_cache): Install it.
22941 * ggc-simple.c (init_ggc): Absorb the old init.
22942 (ggc_push_context): Use xcalloc.
22943 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22944 (ggc_collect): Add [rvts] tags to the collection stats.
22946 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22948 * cccp.c (main): Fix handling of -include and -imacros options.
22950 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22952 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22954 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22956 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22959 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22961 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22962 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22963 and SET_DEST. Update comment.
22965 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22967 * config/c4x/c4x.c: Include ggc.h.
22968 (c4x_add_gc_roots): New function.
22969 (c4x_override_options): Call c4x_add_gc_roots.
22971 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22973 * defaults.h (TARGET_ESC): Move ...
22974 * system.h: ... here, where Linas had it in the first place. Silly me.
22976 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22978 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22979 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22980 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22981 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22982 * defaults.h (TARGET_ESC): Add default.
22984 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22986 * configure.in: add i370-*-openedition, i370-*-mvs and
22987 i370-*-linux targets
22989 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22991 * dsp16xxx.c: Include ggc.h
22992 (override_options): Mark GC roots.
22993 * mn10200.c: Include ggc.h.
22994 (asm_file_start): Mark GC roots.
22995 * tahoe.c: Include ggc.h.
22996 (extensible_operand): Mark GC roots.
22998 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
23000 * README: Add section discussing status of ELF ABI.
23001 * i370.c: Fix misc spelling mistakes.
23002 (i370_label_scan): Updated notes, exception handling.
23003 (i370_function_prolog): Simplify ELF stack handling.
23004 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
23005 (STACK_GROWS_DOWNWARD): ELF stack grows down.
23006 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
23007 * i370.md: (movdi): Add notes.
23008 (floatsidf2): Use stack not rtca for scratch float area.
23009 (iorsi3): Correct operand constraints.
23010 * x-oe: Restore TAROUTOPTS which are used by pax.
23012 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
23014 * rs6000.c: Include ggc.h.
23015 (rs6000_add_gc_roots): New function.
23016 (override_options): Call it.
23018 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
23020 * alpha.h (alpha_compare): New.
23021 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
23022 * alpha.c: Likewise for the definitions.
23023 (alpha_emit_conditional_branch): Update for alpha_compare.
23024 (alpha_emit_conditional_move): Likewise.
23025 * alpha.md (cmpdf, cmpdi): Likewise.
23026 (setcc patterns): Likewise. Zero alpha_compare after use.
23027 (sne): Optimize (x != 0) into (0U < x).
23029 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
23031 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
23032 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
23033 (INIT_EXPANDERS): Remove.
23034 * alpha.c: Include ggc.h.
23035 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
23036 (alpha_init_machine_status, alpha_mark_machine_status): New.
23037 (override_options): Install them.
23038 (struct machine_function): Moved to alpha.h.
23039 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
23040 (alpha_init_expanders): Remove.
23041 (alpha_return_addr): Adjust to use current_function->machine.
23042 (alpha_ra_ever_killed): Likewise.
23043 (alpha_expand_epilogue): Likewise.
23044 * alpha.md (eh_epilogue): Likewise.
23046 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
23047 Melissa O'Neill <oneill@cs.sfu.ca>
23048 Geoffrey Keating <geoffk@cygnus.com>
23050 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
23051 call-used registers (call-saved registers must still be contiguous
23052 and end with r31, of course).
23054 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
23056 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
23057 (self_promoting_type_p): Delete.
23058 (self_promoting_args_p): Move ...
23059 * c-common.c: ... here.
23060 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
23061 (simple_type_promotes_to): New.
23062 * builtins.c (lang_type_promotes_to): New.
23063 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
23064 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
23065 * c-common.h: ... here.
23066 (self_promoting_args_p, simple_type_promotes_to): Declare.
23067 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
23068 (grokdeclarator): Likewise.
23069 * tree.h (lang_type_promotes_to): Declare.
23071 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
23073 Add some machine-dependent GC roots.
23074 * sparc.c: Include ggc.h.
23075 (sparc_add_gc_roots): New function.
23076 (mark_ultrasparc_pipeline_state): Likewise.
23077 (override_options): Call sparc_add_gc_roots.
23078 * pa.c: Include ggc.h.
23079 (pa_add_gc_roots): New function.
23080 (mark_deferred_plabels): Likewise.
23081 (override_options): Call pa_add_gc_roots.
23082 * mips.c: Include ggc.h.
23083 (mips_add_gc_roots): New function.
23084 (override_options): Use it.
23086 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23088 * cpperror.c (cpp_file_line_for_message): Constify a char*.
23090 * cppexp.c (parse_number, parse_charconst, cpp_lex,
23091 cpp_parse_expr): Add static prototypes.
23092 (parse_charconst): Don't cast away const-ness.
23093 (token): Constify a char*.
23095 * cppfiles.c (file_name_list, include_hash, find_include_file,
23096 finclude, initialize_input_buffer): Constify a char*.
23097 (file_cleanup, find_position): Add static prototypes.
23099 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
23100 collect_expansion): Add static prototypes.
23101 (cpp_install, create_definition, monthnames): Constify a char*.
23103 * cpphash.h (cpp_install): Likewise.
23105 * cppinit.c (known_suffixes, default_include,
23106 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
23107 (base_name, dump_special_to_buffer, initialize_dependency_output):
23108 Add static prototypes.
23110 * cpplib.c (my_strerror): Constify a char*.
23111 (null_underflow, null_cleanup, skip_comment, copy_comment,
23112 copy_rest_of_line, handle_directive, pass_thru_directive,
23113 get_directive_token, read_line_number, cpp_print_file_and_line,
23114 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
23115 v_cpp_warning_with_line, detect_if_not_defined,
23116 consider_directive_while_skipping): Add static prototypes.
23117 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
23118 cpp_pedwarn_with_file_and_line): Constify a char*.
23120 * cpplib.h (cpp_options, include_hash, progname, definition,
23121 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
23122 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
23123 find_include_file, deps_output, include_hash): Constify a char*.
23125 * cppmain.c (progname): Constify.
23126 (main): Add prototype. Use return, not exit.
23128 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
23129 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
23130 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
23131 check_protection): Add static prototype.
23133 (progname, recognized_macrom, recognized_extern): Constify a char*.
23134 (main): Add prototype.
23136 * gen-protos.c (progname): Constify a char*.
23138 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
23140 * emit-rtl.c (free_emit_status): Take decl as a parameter.
23141 (init_emit_once): Add more GC roots.
23142 * except.c (mark_func_eh_entry): New function.
23143 (mark_eh_node): Mark false_label and rethrow_label.
23144 (init_eh): Add more GC roots.
23145 * function.c (free_after_compilation): Take decl as a paramter.
23146 Call free_stmt_status.
23147 (mark_function_state): Don't assume x_parm_reg_stack_loc is
23149 * function.h (free_after_compilation): Change prototype.
23150 (free_varasm_status): Likewise.
23151 (free_emit_status): Likewise.
23152 (free_stmt_status): New function.
23153 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
23154 Remove, replacing with ...
23155 (ggc_status): New structure.
23156 (ggc_chain): New variable.
23157 (init_gcc): Define.
23158 (ggc_push_context): New function.
23159 (ggc_pop_context): Likewise.
23160 (ggc_alloc_rtx): Adjust for use of ggc_chain.
23161 (ggc_alloc_rtvec): Likewise.
23162 (ggc_alloc_tree): Likewise.
23163 (ggc_alloc_string): Likewise.
23164 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
23165 (ggc_mark_tree): Give language-dependent code a chance to mark
23167 (ggc_mark_tree_varray): Handle empty arrays.
23168 (ggc_collect): Adjust for use of ggc_chain. Clear
23169 bytes_alloced_since_last_gc.
23170 * ggc.h (ggc_pop_context): New function.
23171 (ggc_push_context): Likewise.
23172 * print-tree.c (print_node): Don't print obstacks when GC'ing.
23173 * stmt.c (free_stmt_status): New function.
23174 (init_stmt_for_function): Clear last_expr_value.
23175 * toplev.c (rest_of_compilation): Always call free_after_compilation.
23176 Conditionalize call to ggc_collect.
23177 (main): Call init_ggc.
23178 * tree.c (push_obstacks): Do the push, even when GC'ing.
23179 (push_obstacks_nochange): Likewise.
23180 (pop_obstacks): Liekwise.
23181 * varasm.c (free_varasm_status): Take decl as a parameter.
23183 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
23185 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
23186 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
23187 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
23188 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
23190 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
23192 * pa/x-pa-mpeix: New file for the MPE port.
23194 * pa/quadlib.asm: New file for long double support.
23196 * configure.in: Add hppa1.0-*-mpeix for MPE port.
23197 * configure: Rebuilt.
23199 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
23201 * final.c (shorten_branches): Fix last change.
23203 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
23205 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
23207 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
23209 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
23212 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23214 * c-aux-info.c (concat): Don't define.
23216 * cccp.c (my_strerror): Likewise. All callers changed to use
23218 (do_include): Call xstrdup, not xmalloc/strcpy.
23219 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
23220 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
23222 * collect2.c (my_strsignal): Likewise. All callers changed to use
23224 (locatelib): Call xstrdup, not xmalloc/strcpy.
23226 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
23228 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
23230 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
23232 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
23234 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
23236 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
23238 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
23240 (find_all_handler_type_matches): Likewise. Don't check return
23242 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
23243 xmalloc, not malloc.
23244 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
23246 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
23247 (init_spec): Call xcalloc, not xmalloc/bzero.
23248 (set_spec): Call xstrdup, not save_string.
23249 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
23250 (find_a_file): Call xstrdup, not xmalloc/strcpy.
23251 (process_command): Call xstrdup, not save_string.
23252 (main): Call xcalloc, not xmalloc/bzero.
23254 * gcov.c (xmalloc): Don't define.
23255 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
23256 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
23257 (output_data): Call xcalloc, not xmalloc/bzero.
23259 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
23261 * mips-tdump.c (xmalloc): Don't define.
23262 (print_symbol): Call xmalloc, not malloc.
23263 (read_tfile): Call xcalloc, not calloc.
23265 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
23266 Don't define. All callers of xfree/my_strsignal changed to use
23267 free/strsignal instead.
23268 (allocate_cluster): Call xcalloc, not calloc.
23270 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
23271 Fix memory leak, free allocated memory.
23273 * prefix.c (translate_name): Call xstrdup, not save_string.
23274 (update_path): Likewise.
23276 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
23278 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
23279 Don't define. Callers of xfree/savestring2 changed to use
23280 free/concat instead.
23282 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
23283 (init_elim_table): Likewise.
23285 * resource.c (init_resource_info): Likewise.
23287 * stupid.c (stupid_life_analysis): Likewise.
23289 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
23290 (open_dump_file): Call concat, not xmalloc/strcpy/...
23291 (clean_dump_file): Likewise.
23292 (compile_file): Call xstrdup, not xmalloc/strcpy.
23294 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
23296 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
23297 * v850.c (v850_va_arg): New.
23299 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23301 * haifa-sched.c: Tidy comments.
23303 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23305 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
23306 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
23307 $(out_object_file)): Depend on ggc.h.
23308 * c-common.c: Include "ggc.h".
23309 (combine_strings): If doing GC, use ggc_alloc_string.
23310 * c-decl.c: Include "ggc.h".
23311 (ggc_p): Define with value 0.
23312 (mark_binding_level): New function.
23313 (init_decl_processing): Add GC roots.
23314 (mark_c_function_context): New function.
23315 (lang_mark_false_label_stack): New function.
23316 (lang_mark_tree): New function.
23317 (lang_cleanup_tree): New function.
23318 * c-lang.c: Include "ggc.h".
23319 (lang_init): Call c_parse_init.
23320 * c-lex.c: Include "ggc.h".
23321 (check_linenum): If doing GC, don't copy filenames to permanent
23323 * c-parse.in: Include "ggc.h".
23324 (c_parse_init): New function.
23325 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
23326 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
23328 * except.c (mark_eh_state): Mark more state.
23329 * function.c (mark_function_state): Likewise.
23330 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
23331 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
23332 * toplev.c (mark_file_stack): New function.
23333 (compile_file): If doing GC, use ggc_alloc_string on input filename.
23334 (main): Add root for input_file_stack.
23336 * i386.c: Include "ggc.h".
23337 (ix86_mark_machine_status): New function.
23338 (override_options): Set mark_machine_status.
23340 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23342 * tree.c (copy_node): Copy node contents also if doing GC.
23344 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23346 * collect2.c (scan_libraries): Fix double-thinko :-).
23348 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
23350 * collect2.c (scan_libraries): Fix thinko.
23352 * cse.c (delete_trivially_dead_insns): Do not skip the last
23353 insn if it is a real insn.
23355 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
23357 * Makefile.in (ggc-simple.o): Depend on hash.h.
23358 * ggc.h (ggc_add_tree_hash_table_root): Declare.
23359 (ggc_mark_tree_varray): Likewise.
23360 (ggc_mark_tree_hash_table): Likewise.
23361 * ggc-simple.c: Include hash.h.
23362 (ggc_mark_tree_hash_table_ptr): New function.
23363 (ggc_mark_tree_hash_table_entry): Likewise.
23364 (ggc_mark_tree_hash_table): Likewise.
23365 (ggc_add_tree_hash_table_root): Likewise.
23366 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
23367 rtx, when defining fields.
23369 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23371 * profile.c (output_func_start_profiler): Remove apparently
23372 nonsensical call to start_sequence.
23374 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
23376 * clipper/clipper.c (clipper_va_start): Fix typos.
23378 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
23379 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
23380 (spur_va_arg): New stub.
23382 * configure.in: Comment out pyramid.
23384 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
23386 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
23387 don't conflict with the bits that win32, cygwin, and dgux
23390 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
23391 Bernd Schmidt <bernds@cygnus.co.uk>
23393 * integrate.c (function_cannot_inline_p): Do not inline
23394 functions with forced labels.
23396 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
23397 Bernd Schmidt <bernds@cygnus.co.uk>
23398 Mark Mitchell <mark@codesourcery.com>
23400 * Makefile.in (ggc-simple.o): Depend on varray.h.
23401 (rtl.o): Depend on ggc.h.
23402 (genattrtab.o): Depend on ggc.h.
23403 (print-tree.o): Likewise.
23404 (fold-const.o): Likewise.
23405 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
23406 (make_insn_raw): Don't cache insns when GC'ing.
23407 (emit_insn_before): Likewise.
23408 (emit_insn_after): Likewise.
23409 (emit_insn): Likewise.
23410 (start_sequence): Use xmalloc to allocate the sequence_stack.
23411 (end_sequence): Add free to free it.
23412 (gen_sequence): Don't cache insns when GC'ing.
23413 (clear_emit_caches): Don't use sequence_element_free_list.
23414 (init_emit): Use xcalloc, not xmalloc+bzero.
23415 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
23416 * function.c (pop_function_context_from): Use free to free the
23417 fixup_var_refs_queue.
23418 (put_reg_into_stack): Allocate it with xmalloc.
23419 * genattrtab.c: Include ggc.h.
23420 (operate_exp): Don't use obstack_free when GC'ing.
23421 (simplify_cond): Likewise.
23422 (simplify_text_exp): Likewise.
23423 (optimize_attrs): Likewise.
23424 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
23426 (gencode): Generate a #include for ggc.h.
23427 * ggc-callbacks.c (ggc_p): Define it to zero.
23428 * ggc-none.c (ggc_p): Likewise.
23429 * ggc-simple.c: Include varray.h.
23430 (ggc_mark_tree_varray): New function.
23431 (ggc_add_tree_varray_root): Likewise.
23432 (ggc_mark_tree_varray_ptr): Likewise.
23433 * ggc.h (ggc_p): Declare.
23434 (varray_head_tag): Likewise.
23435 (ggc_add_tree_varray_root): Declare.
23436 * print-tree.c (print_node): Don't check for TREE_PERMANENT
23437 inconsistencies when GC'ing.
23438 * rtl.c: Include ggc.h.
23439 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
23440 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
23441 (rtx_free): Don't call obstack_free when GC'ing.
23442 * toplev.c (rest_of_compilation): Call ggc_collect after every
23444 * tree.c (push_obstacks): Do nothing, if GC'ing.
23445 (pop_obstacks_nochange): Likewise.
23446 (pop_obstacks): Likewise.
23447 (make_node): Use ggc_alloc_tree when GC'ing.
23448 (copy_node): Likewise.
23449 (get_identifier): Use ggc_alloc_string when GC'ing.
23450 (build_string): Likewise.
23451 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
23452 (tree_cons): Likewise.
23453 (build1): Likewise.
23454 (type_hash_canon): Don't call obstack_free when GC'ing.
23456 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
23458 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
23459 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
23461 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
23462 Bernd Schmidt <bernds@cygnus.co.uk>
23463 Mark Mitchell <mark@codesourcery.com>
23465 * Makefile.in (stor-layout.o): Depend on ggc.h.
23466 (expr.o): Depend on ggc.h.
23467 (profile.o): Depend on ggc.h.
23468 (stor-layout.o): Depend on ggc.h.
23469 * emit-rtl.c (init_emit_once): Add gc roots.
23470 * expr.c: Include ggc.h.
23471 (emit_block_move): Add gc roots.
23472 (clear_storage): Likewise.
23473 * expr.h (init_stor_layout_once): New function.
23474 * profile.c: Include ggc.h.
23475 (init_arc_profiler): profiler_label is a root.
23476 * scan.c (make_sstring_space): Trust xrealloc to function
23477 correctly with first parameter NULL.
23478 * stor-layout.c: Include ggc.h.
23479 (set_sizetype): Add gc root.
23480 (init_stor_layout_once): New function.
23481 * toplev.c (compile_file): Call it.
23483 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
23484 Bernd Schmidt <bernds@cygnus.co.uk>
23485 Mark Mitchell <mark@codesourcery.com>
23487 * Makefile.in (tree.o): Depend on ggc.h.
23488 (varasm.o): Likewise.
23489 (function.o): Likewise.
23490 (stmt.o): Likewise.
23491 (except.o): Likewise.
23492 (optabs.o): Likewise.
23493 (emit-rtl.o): Likewise.
23494 * emit-rtl.c: Include ggc.h.
23495 (sequence_element_free_list): Remove, and all references.
23496 (mark_sequence): New functions.
23497 (mark_emit_state): New function.
23498 * except.c: Include ggc.h.
23499 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
23500 (mark_tree_label_node): New functions.
23501 (mark_eh_state): New function.
23502 * function.c: Include ggc.h.
23503 (mark_temp_slot, mark_function_chain): New functions.
23504 (mark_function_state): New function.
23505 (init_function_once): New function.
23506 * function.h (init_function_once): New function.
23507 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
23508 * ggc.h (label_node): Declare.
23509 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
23510 (lang_mark_false_label_stack): New function.
23511 (mark_temp_slot): Remove declaration.
23512 (mark_function_chain): Likewise.
23513 (mark_eh_state): Adjust prototype.
23514 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23516 * optabs.c: Include ggc.h.
23517 (mark_optab): New function.
23518 (init_optabs): Add gc roots.
23519 * stmt.c: Include ggc.h.
23520 (mark_cond_nesting, mark_loop_nesting): New functions.
23521 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23522 (mark_stmt_state): New function.
23523 * toplev.c (compile_file): Call init_function_once.
23524 * tree.c: Include ggc.h.
23525 (type_hash): Move declaration earlier in file.
23526 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23527 (init_obstacks): Add gc roots.
23528 (mark_type_hash): New function.
23529 * varasm.c: Include ggc.h.
23530 (mark_pool_constant): New function.
23531 (mark_varasm_state): New function.
23533 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23535 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23537 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23539 * c-decl.c (struct language_function): Renamed from struct c_function.
23541 (c_function_chain): Delete.
23542 (push_c_function_context): New arg F. Don't warn about nested
23543 functions here. Fill LANGUAGE elt of F. Delete code to update
23544 c_function_chain. Don't call push_function_context.
23545 (pop_c_function_context): New arg F. Restore from there instead of
23546 from c_function_chain. Don't call pop_function_context. Clear out
23547 LANGUAGE field of F when done.
23548 * c-lang.c: Include "function.h"
23549 (lang_init): Initialize save_lang_status and restore_lang_status.
23550 * c-parse.in (nested_function, nested_function_notype): Warn about
23551 nested functions. Call push_function_context/pop_function_context
23552 instead of the _c_ variants.
23553 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23555 * Makefile.in (c-lang.o): Update dependencies.
23557 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23558 regno_pointer_flag, regno_pointer_align.
23559 (gen_reg_rtx): Use xrealloc to enlarge them.
23560 (free_emit_status): New function.
23561 * function.c (mark_machine_status, mark_lang_status): New variables.
23562 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23563 in some bits from assign_stack_local. All callers changed to use new
23565 (assign_stack_local): Just call assign_stack_local_1.
23566 (free_after_compilation): New function.
23567 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23568 (trampoline_address): Likewise.
23569 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23570 (prepare_function_start): Explicitly clear some more variables.
23571 * function.h (struct function): New elt can_garbage_collect.
23572 (mark_machine_status, mark_lang_status): Declare variables.
23573 (free_after_compilation, free_emit_status, free_varasm_status,
23574 init_varasm_status): Declare functions.
23575 * toplev.c (rest_of_compilation): Call free_after_compilation when
23576 done with the current function.
23577 * varasm.c (free_varasm_status): New function.
23579 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23581 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23582 (EXPAND_BUILTIN_VA_ARG): Define.
23583 * sparc.c (sparc_va_start): New.
23584 (sparc_va_arg): New.
23586 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23588 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23590 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23592 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23594 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23596 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23597 (OBJS): Add $(GGC).
23598 (ggc-callbacks.o): New target.
23599 * ggc-callbacks.c: New file.
23601 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23603 * expr.h: Collapse individual optab and libfunc vars to arrays.
23604 (optab_index, libfunc_index): New enumerations.
23605 (optab_table, libfunc_table): New arrays.
23606 Add accessor macros for both.
23608 * optabs.c (optab_table, libfunc_table): New.
23609 Delete declarations for individual optab and libfunc vars.
23611 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23613 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23615 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23617 * Makefile.in (GGC, GGC_LIB): New.
23618 (HOST_RTL): Include ggc-none.o.
23619 (ggc-simple.o): New target.
23620 (ggc-none.o): Likewise.
23621 * tree.h (tree_common): Add gc_mark.
23622 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23623 (struct rtvec_def): Add gc_mark.
23624 * emit-rtl.c (global_rtl): Update static initializers to contain
23625 enough initializers.
23626 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23627 * toplev.c (gc_time): New variable.
23628 (all_time): New variable.
23629 (compile_file): Print gc time.
23630 (print_time): Calculate percentage of the whole.
23632 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23634 Change obstack memory management and varasm constant pool handling so
23635 that nested functions are treated like any other functions.
23636 * function.c (init_machine_status): New variable.
23637 (push_function_context_to): Set contains_functions for the outer
23638 function. Don't call save_varasm_status.
23639 (pop_function_context_from): Don't call restore_varasm_status. Don't
23640 set current_function_contains_functions.
23641 (prepare_function_start): Call init_varasm_status rather than
23642 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23644 * function.h (struct function) Add field varasm. Delete fields
23645 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23646 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23647 (init_machine_status): Declare.
23648 (save_varasm_status, restore_varasm_status): Delete declarations.
23649 (save_tree_status, restore_tree_status): Delete last argument.
23650 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23651 code. All callers changed.
23652 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23653 save_constants_in_decl_trees, restore_constants, save_constants,
23654 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23656 (inlining): New variable.
23657 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23658 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23660 (save_for_inline_nocopy): Don't save constants.
23661 Don't set inl_emit field in current_function.
23662 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23663 function. Set new variable inlining before
23664 calling copy_rtx_and_substitute.
23665 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23666 constant pool references if inlining is nonzero.
23667 Delete ADDRESS and (most of the) CONST cases.
23668 (output_inline_function): Save and restore current_function/
23669 current_function_decl. Delete restore_constants code. Don't call
23670 init_const_rtx_hash_table.
23671 * output.h (init_const_rtx_hash_table): Don't declare.
23672 * rtl.h (struct function): Declare.
23673 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23674 * toplev.c (rest_of_compilation): Don't treat nested functions or
23675 functions containing them specially. Delete all code to deal with
23676 save_for_inline_copying.
23677 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23678 inline_obstacks): Delete variables.
23679 (save_tree_status): Lose arg CONTEXT. All callers changed.
23680 Simply allocate a new function_maybepermanent_obstack for the new
23681 function, delete all the special cases.
23682 Don't save inline_obstacks.
23683 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23684 Delete special handling for function_maybepermanent_obstack; simply
23686 Don't restore inline_obstacks.
23687 (permanent_allocation): Delete code that frees inline_obstacks.
23688 (print_inline_obstack_statistics): Delete function.
23689 (dump_tree_statistics): Don't call it.
23690 * varasm.c (struct varasm_status): New.
23691 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23692 last_pool, pool_offset, const_double_chain): Delete global
23693 variables, replace with accessor macros.
23694 (immed_double_const): Don't walk const_double_chain outside a
23695 function, but don't treat nested functions specially anymore.
23696 (immed_real_const_1): Likewise.
23697 (clear_const_double_mem): Don't treat nested functions specially.
23698 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23699 (save_varasm_status, restore_varasm_status): Delete functions.
23700 (init_varasm_status): New function.
23701 (force_const_mem): Don't treat nested functions specially.
23702 (find_pool_constant): Accept new arg F, search for constants in
23703 that function's pool rather than the current one. All callers
23705 (get_pool_constant_for_function, get_pool_mode_for_function): New
23708 * i386.c (init_386_machine_status): New function, mostly from
23709 clear_386_stack_locals.
23710 (struct machine_functions): Rename element names to avoid name
23712 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23713 macros, replacing global variables.
23714 (clear_386_stack_locals, save_386_machine_status,
23715 restore_386_machine_status): Delete functions.
23716 (override_options): Initialize init_machine_status.
23717 * i386.h (INIT_EXPANDERS): Delete macro.
23718 (save_386_machine_status, restore_386_machine_status,
23719 clear_386_stack_locals): Delete declarations.
23721 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23723 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23724 (doloop_begin): Simplify pattern and use emit_jump_insn.
23725 (doloop_end): Simplify pattern, switch operand order,
23726 and use emit_jump_insn.
23728 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23730 * function.h (struct function): Add new element LANGUAGE.
23731 (save_lang_status): Declare new variable.
23732 (restore_lang_status): Likewise.
23733 * function.c (save_lang_status): Define.
23734 (restore_lang_status): Likewise.
23735 (push_function_context_to): Call language-specific save function.
23736 (pop_function_context_from): Call language-specific restore function.
23738 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23740 * i386.md (movsf_1): Check REG_P before use of REGNO.
23741 (movdf_1): Likewise.
23742 (movxf_1): Likewise.
23743 (extendsfdf2): Likewise.
23744 (extendsfxf2): Likewise.
23745 (extenddfxf2): Likewise.
23747 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23749 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23750 constants into memory.
23751 (c4x_shiftable_constant): New function.
23752 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23753 (c4x_shiftable_constant): Declare.
23754 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23755 ashlqi3_noclobber): Add new patterns and associated splitters.
23757 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23759 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23760 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23761 * final.c (shorten_branches): Likewise.
23762 * global.c (global_alloc): Likewise.
23763 * haifa-sched.c (build_control_flow): Likewise.
23764 * stmt.c (check_for_full_enumeration_handling): Likewise.
23765 (estimate_case_costs): Likewise.
23767 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23769 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23771 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23773 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23774 (recompute_reg_usage): Likewise.
23775 * rtlanal.c (find_regno_fusage): Likewise.
23777 * rtl.c (rtl_check_failed_code1): New function.
23778 (rtl_check_failed_code2): New.
23779 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23780 (RTL_CHECKC1, RTL_CHECKC2): New.
23781 (XC*): New accessor macros.
23782 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23783 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23784 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23785 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23786 (TRAP_*, RANGE_INFO_*): Likewise.
23788 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23790 * Makefile.in (tlink.o): Don't depend on toplev.h.
23792 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23793 output_file, nm_file_name, ldd_file_name, strip_file_name,
23794 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23795 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23796 fork_execute, maybe_unlink, add_to_list,
23797 extract_init_priority, write_list, dump_list,
23798 dump_prefix_list, write_list_with_asm, write_c_file,
23799 write_c_file_stat, write_c_file_glob, scan_prog_file,
23800 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23801 ignore_library, extract_string, notice, dump_file, target_machine,
23802 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23803 read_file, print_load_command): Constify a char*.
23804 (fdopen, error, fatal, fatal_perror): Don't prototype.
23805 (my_strerror): Remove. All callers use xstrerror instead.
23806 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23807 (main): Add prototype. Constify lots of char* ptrs. Change calls
23808 to xcalloc/strcpy/strcat/... to one call to concat.
23809 (main, scan_prog_file, scan_libraries): Use an intermediate
23810 `const char **' to build an argv array.
23811 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23813 * collect2.h (collect_execute, collect_wait, dump_file,
23814 file_exists): Constify a char*.
23815 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23816 temporary_firstobj, vflag, debug): Add extern declarations.
23817 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23819 * tlink.c: Don't include toplev.h.
23820 (vflag, debug, ldout, c_file_name, temporary_obstack,
23821 permanent_obstack, temporary_firstobj): Don't declare.
23822 (tlink_execute, frob_extension, symbol_hash_lookup,
23823 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23824 recompile_files, read_repo_files, demangle_new_symbols,
23825 scan_linker_output): Constify a char*.
23826 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23827 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23829 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23831 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23832 (relative) rather than jsr (absolute) subroutine call insns.
23833 * config/m68k/m68k-coff.h: Ditto.
23835 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23837 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23838 now rework these too.
23839 (arm_reorg): If an insn can't reach the end of the current pool,
23840 ensure that we emit that pool before the insn.
23842 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23844 * tlink.c (scan_linker_output): Skip the initial underscore in
23845 a mangled name if appropriate.
23847 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23849 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23850 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23851 error_with_ivar, gen_declarator, create_builtin_decl,
23852 my_build_string, generate_descriptor_table, generate_ivars_list,
23853 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23854 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23855 dump_base_name, lang_decode_option, build_encode_expr,
23856 start_class, finish_class, encode_pointer, really_start_method,
23857 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23859 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23860 Add static prototypes.
23861 (build_objc_string_decl, build_selector_reference_decl,
23862 encode_bitfield, build_class_reference_decl): Remove unused
23863 parameter, all callers changed.
23864 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23865 (objc_printable_name): Likewise. Change second parameter to type int.
23866 (init_objc): Use memcpy, not bcopy, to avoid casts.
23868 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23870 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23871 reg notes on a deleted insn.
23872 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23874 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23876 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23878 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23880 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23883 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23885 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23886 * tm.texi (MD_ASM_CLOBBERS): Document it.
23888 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23890 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23891 * except.c (expand_rethrow): Remove unused variable.
23892 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23893 * flow.c (replace_insns): Likewise.
23894 (create_edge_list, verify_edge_list): Likewise.
23895 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23897 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23898 is special code to run.
23899 (main): Don't define operands to emit_operand.
23900 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23902 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23904 * alpha/alpha.h (normal_memory_operand): Declare.
23905 (reg_no_subreg_operand): Declare.
23906 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23908 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23910 * c-parse.in (compstmt_primary_start): New, broken out of first
23911 part of compstmt handling in primary.
23912 (primary): Use it. Add an error clause.
23913 (compstmt_nostart): Renamed from compstmt; remove all
23914 initial invocations of compstmt_start.
23917 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23919 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23922 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23924 * combine.c (simplify_shift_const): Remove extra semicolon.
23925 * dwarf2out.c (remove_AT): Likewise.
23926 * expmed.c (expand_mult): Likewise.
23927 * gcov.c (create_program_flow_graph): Likewise.
23928 * reorg.c (mostly_true_jump): Likewise.
23930 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23932 * fold-const.c (fold_range_test): Do not try to fold the range
23933 test if the rhs or lhs has side effects.
23935 * combine.c (simplify_rtx): Recognize another case of a synthesized
23938 * varasm.c (mark_constant_pool): When marking indirect references,
23939 only look at SYMBOL_REFs.
23941 * except.c (expand_fixup_region_end): Do not peek at
23942 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23944 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23946 * flags.h: New variables align_loops, align_loops_log,
23947 align_jumps, align_jumps_log, align_labels, align_labels_log,
23948 align_functions, align_functions_log.
23949 * toplev.c: Define them.
23950 (f_options): Handle -falign-* when they have no argument.
23951 (main): Add logic to set variables for -falign-functions,
23952 -falign-jumps, -falign-labels, -falign-loops.
23953 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23954 (display_help): Change help to match options.
23955 * final.c (LABEL_ALIGN): Default to align_labels_log.
23956 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23957 (LOOP_ALIGN): Default to align_loops_log.
23958 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23959 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23960 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23961 * varasm.c (assemble_start_function): Handle align_functions.
23963 * config/sparc/sparc.h: Don't declare sparc_align_*.
23964 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23965 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23967 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23969 * config/sparc/sparc.c: Delete sparc_align_loops,
23970 sparc_align_jumps, sparc_align_funcs and the corresponding string
23972 (sparc_override_options): Default align_functions on ultrasparc.
23973 Delete -malign-* handling.
23975 * config/mips/mips.c (override_options): On 64-bit targets,
23976 try to align code to 64-bit boundaries.
23977 (print_operand): New substitution, %~,
23978 which aligns labels to align_labels_log.
23979 * config/mips/mips.md (div_trap_normal): Use %~.
23980 (div_trap_mips16): Likewise.
23982 (absdi2): Likewise.
23983 (ffssi2): Likewise.
23984 (ffsdi2): Likewise.
23985 (ashldi3_internal): Likewise.
23986 (ashrdi3_internal): Likewise.
23987 (lshrdi3_internal): Likewise.
23988 (casesi_internal): Likewise.
23990 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23992 Merge new ia32 backend from the branch!
23994 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23995 See ChangeLog.P2 on new_ia32_branch for details.
23997 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23998 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23999 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
24000 * i386/gas.h (ASM_FILE_START): Define.
24001 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
24002 for name change of ix86_valid_decl_attribute_p.
24003 (i386_pe_valid_type_attribute_p): Similarly.
24005 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
24007 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
24008 to step through CC modes.
24010 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24012 * regmove.c (fixup_match_1): Don't move INSN in front of P if
24013 it would end up in the shadow of a live flags regsiter.
24015 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24017 * reload1.c: Fix many indentation problems.
24018 * reload.c: Likewise.
24020 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
24022 * alias.c (non_local_reference_p): Constify fmt.
24024 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
24026 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
24028 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
24030 * cse.c (delete_trivially_dead_insns): Do not delete stores to
24031 the internal_arg_pointer.
24033 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
24035 Merge peephole2 from new_ia32_branch:
24036 * Makefile.in (STAGESTUFF): Add *.peephole2.
24037 (mostlyclean): Likewise.
24038 (recog.o): Depend on resource.h.
24040 * final.c (peephole): Conditionalize decl on HAVE_peephole.
24041 (final_scan_insn): Likewise for the invocation of peephole.
24042 * genconfig.c (main): Look for peephole and peephole2 patterns.
24043 Emit HAVE_peephole* accordingly.
24044 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
24045 * flags.h (flag_peephole2): Declare.
24046 * toplev.c: New pass peephole2. New flag -fpeephole2.
24048 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
24049 * gencodes.c (main): Likewise.
24050 * genextract.c (main): Likewise.
24051 * genoutput.c (main): Likewise.
24052 * genemit.c (max_operand_1): Look for the max scratch operand.
24053 (gen_rtx_scratch): New.
24054 (gen_exp): Use it, and pass on new arg subroutine_type.
24055 (gen_expand): Take max scratch into account.
24056 (gen_split): Emit peephole2 functions.
24057 (output_peephole2_scratch): New.
24058 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
24059 * genrecog.c (routine_type): Add PEEPHOLE2.
24061 (make_insn_sequence): Match outer parallel for peep2. Discard
24062 top level scratches and dups.
24063 (add_to_sequence): New args insn_type and top. Update all callers.
24064 Handle toplevel peep2 matching insns.
24065 (write_subroutine): Handle peep2.
24066 (write_tree_1): Likewise.
24067 (write_tree): Likewise.
24069 (change_state): New arg afterward. Update all callers.
24070 Handle matching separate insns.
24071 * recog.c (recog_next_insn): New.
24072 (peephole2_optimize): New.
24073 * rtl.def (DEFINE_PEEPHOLE2): New.
24074 * resource.c (find_free_register): New argument last_insn. Use it
24075 to find a register available through the entire span.
24076 * resource.h (find_free_register): Update prototype.
24078 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
24080 * i386.c (output_strlen_unroll): Don't write xops[7]
24081 label if it wasn't set.
24083 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
24085 * cpplib.c (struct directive): Const-ify name pointer and
24086 function pointer prototype.
24087 (validate_else, do_define, do_line, do_include, do_undef,
24088 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
24089 do_elif, do_endif, do_sccs, do_assert, do_unassert,
24090 do_warning): Const-ify second arg.
24091 (directive_table): Mark const. Reorder entries by frequency
24092 of usage, record statistics.
24094 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
24096 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
24097 bounds- check RTL accesses if --enable-checking.
24098 (RTVEC_ELT): Bounds check if --enable-checking.
24099 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
24100 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
24101 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
24103 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
24104 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
24106 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
24107 (NOTE_SOURCE_FILE): Use X0STR.
24108 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
24109 MEM_ALIAS_SET): Use X0INT.
24110 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
24111 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
24113 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
24114 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
24115 (rtl_check_failed_bounds, rtl_check_failed_type1,
24116 rtl_check_failed_type2, rtvec_check_failed_bounds): New
24118 (fancy_abort): Fix comment.
24120 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
24121 (cse_insn): Decrement LABEL_NUSES for jump target before
24122 deleting jump insn.
24123 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
24124 * final.c (alter_subreg): Compute regno before changing x to
24125 REG; set REGNO(x) after changing it.
24126 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
24127 notes containing CONST_INTs.
24128 (delete_eh_regions): Use NOTE_EH_HANDLER.
24129 * function.c (put_reg_into_stack): Make reg a MEM before
24131 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
24133 (gen_mem_addressof): Make reg a MEM before initializing it.
24134 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
24136 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
24137 deleting an insn, not after.
24138 (block_alloc): Only look at PATTERN(insn) if we have to, and
24139 only if it's format class 'i'.
24140 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
24141 CONST_INT before using its INTVAL.
24142 * print-rtl.c (print_rtx): Use X0STR.
24143 * regmove.c (fixup_match_1): Don't look at PATTERN of
24144 non-class-'i' insn chain elements.
24145 * reload.c (loc_mentioned_in_p): Take address of
24146 in->fld[1].rtx directly.
24147 * reload1.c (reload): Change reg to a MEM before initializing
24149 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
24151 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
24153 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
24155 * config/mips/mips.c (machine_dependent_reorg): Force a
24156 barrier to output the local constant pool if a barrier hasn't
24157 been found at a natural point in the instruction stream.
24159 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24161 * c-parse.in (language_string): Constify.
24163 * dwarf2out.c (language_string): Remove declaration.
24165 * dwarfout.c (language_string): Likewise.
24167 * toplev.c (language_string, init_parse, finish_parse): Likewise.
24169 * tree.h (language_string, init_parse, finish_parse): Declare.
24171 * i386/sun386.h (language_string): Remove declaration.
24173 * mips.h (language_string): Likewise.
24175 * nextstep.h (language_string): Likewise.
24177 * nextstep21.h (language_string): Likewise.
24179 * rs6000.c (language_string): Likewise.
24181 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24183 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
24184 (getpwd.o): Remove target.
24186 * getpwd.c: Delete file. Its in libiberty now.
24188 * dbxout.c (getpwd): Don't prototype.
24189 * dwarf2out.c (getpwd): Likewise
24190 * dwarfout.c (getpwd): Likewise
24191 * final.c (getpwd): Likewise.
24192 * protoize.c (getpwd): Likewise.
24194 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24196 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
24198 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
24200 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
24201 mark_set_resources.
24203 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
24205 * fixinc/Makefile.in (subdir): New.
24206 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
24209 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
24211 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
24212 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
24215 * invoke.texi: Fix typo.
24217 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
24218 changed. Handle autoincrement addressing modes.
24220 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
24221 just like we would the virtual incoming args register when
24224 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
24226 * rs6000.h (ASM_FILE_START): Specify complete filename, including
24227 path, in .file directive.
24229 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
24231 * gcc.texi (External Bugs): Remove obsolete note about Perl on
24234 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
24236 * stdbool.h: Make the typedef name _Bool, with bool a #defined
24239 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24241 * tree.c (tree_code_name): Constify a char*.
24243 * tree.h (tree_code_name, decl_printable_name): Likewise.
24245 * function.h (struct function): Likewise.
24247 * toplev.c (decl_name, decl_printable_name): Likewise.
24249 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
24251 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
24252 (init_objc): Remove function pointer cast.
24254 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24256 * pa.md (interspace_jump): New pattern.
24257 (builtin_longjmp): New expander.
24259 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
24261 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
24262 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
24263 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
24265 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
24267 * jump.c (delete_prior_computation): Also check calls
24268 to constant functions. Don't bother checking for a
24269 REG_UNUSED note before adding it.
24270 (delete_computation): Handle multi-word hard registers
24271 when synthesizing missing REG_DEAD notes for a register
24272 which is both set and used by an insn.
24274 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24276 * loop.c (this_loop_info): New variable.
24277 (loop_has_call, loop_has_volatile, loop_has_tablejump,
24278 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
24280 (prescan_loop, strength_reduce): New argument loop_info. All callers
24282 (scan_loop): New variable loop_info, initialise to address of
24284 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
24285 Delete variable loop_has_multiple_exit targets and replace with
24286 field in this_loop_info.
24287 (find_and_verify_loops): Rename this_loop to this_loop_num.
24288 (strength_reduce): Delete loop_iteration_info. Replace variable
24289 loop_info with function argument of same name.
24290 (insert_bct): Rework test for loop being completely unrolled.
24292 * loop.h (struct loop_info): New fields num, loops_enclosed,
24293 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
24294 has_indirect_jump, and cont. Redefine use of unroll_number.
24295 (loop_unroll_number): Delete.
24297 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
24298 field of loop_info.
24299 (loop_iterations): Delete variable vtop and instead use
24300 loop_info->vtop computed in prescan_loop.
24302 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
24304 * fix-header.c (main): Do not pass a null pointer to strcmp.
24306 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
24308 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
24310 * configure: Rebuilt.
24312 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
24314 * jump.c (jump_optimize_1): Do not delete assignments to
24315 internal_arg_pointer.
24316 * cse.c (delete_trivially_dead_insns): Always consider a set of
24317 the internal_arg_pointer live.
24319 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
24321 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
24322 (update_life_info) [REG_WAS_0]: Search the original insns rather
24323 than the new insns for the note. Fix typos finding note_dest.
24324 If no dest found, discard the note rather than abort.
24325 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
24326 (replace_insns): Remove the old insn list after update_life_info
24329 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
24331 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
24332 sched_analyze_insn.
24333 (sched_analyze_1): Let add_dependence care for not adding dups.
24334 (sched_analyze_2): Likewise.
24335 (add_branch_dependences): Likewise.
24337 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
24339 * i386/winnt.c (export_list): New type.
24340 (exports_head): Rename to
24341 (export_head): this.
24342 (i386_pe_record_exported_symbol): Add is_data flag.
24343 (i386_pe_asm_file_end): Emit directive for exported variables.
24344 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
24346 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
24347 (ASM_DECLARE_OBJECT_NAME): Likewise.
24348 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24349 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
24351 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
24353 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
24355 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
24358 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
24360 * config/openbsd.h: Define SET_ASM_OP.
24361 * tm.texi: cross-reference SET_ASM_OP in the index.
24363 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
24365 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
24366 for a CONST_DOUBLE, at compile time. Initialize rtx_length
24367 and class_narrowest_mode at compile time. Kill init_rtl.
24368 Mark rtx_length, mode_class, mode_size, mode_unit_size,
24369 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
24370 rtx_format as const. Kill all references to EXTRA_CC_MODES or
24372 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
24374 * rtl.h: Declare rtx_length and rtx_format as const.
24375 * machmode.def: Define CC(). Use CC() to define CCmode. If
24376 EXTRA_CC_MODES is defined, expand it here.
24377 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
24378 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
24379 const. Kill all references to EXTRA_CC_MODES.
24381 * toplev.c: Don't prototype or call init_rtl.
24382 * optabs.c: Don't call init_mov_optab.
24383 * genemit.c: Don't generate init_mov_optab. Don't call
24385 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
24387 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
24388 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
24389 genrecog.c: Don't call init_rtl.
24391 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
24392 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
24393 definition of EXTRA_CC_MODES.
24395 * md.texi: Kill ref to EXTRA_CC_NAMES.
24396 * tm.texi: Document new way to define EXTRA_CC_MODES.
24398 * genrecog.c: Do not look up the name of a define_split.
24399 (Unrelated bugfix.)
24401 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
24403 * config/v850/v850.md: Fix typo introduced by previous delta.
24405 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24407 * gcc.c (fatal): Make definition static to match prototype.
24409 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24411 * combine.c (get_last_value): Don't look for earlier sets if the last
24412 known set is somewhere in between the insns being combined.
24414 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
24416 * configure.in: Don't use shell ! to negate exit codes
24417 * configure: Regenerate
24419 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
24421 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
24422 the fact that ALIGN is measured in bits, not bytes.
24424 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
24426 * errors.c: New file; defines functions error, warning, and
24427 fatal, variables have_error and progname.
24428 * errors.h: New file; prototypes and decls for stuff in errors.c.
24430 * Makefile: Add rules to build errors.o and
24431 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
24432 genopinit, genrecog, genextract, genpeep, genattr, and
24433 genoutput with errors.o. Add errors.h to deps of genconfig.o,
24434 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
24435 genpeep.o, genattr.o, and genoutput.o.
24437 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
24438 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
24439 define or prototype fatal. Set progname at beginning of main.
24440 * genoutput.c: Likewise, and don't define or prototype error
24443 * c-typeck.c (c_expand_start_case): Return immediately if exp
24445 * fold-const.c (operand_equal_p): Return immediately if arg1
24446 or arg0 are ERROR_MARKs.
24447 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
24448 fields of type ERROR_MARK when calculating if the record can
24451 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
24452 with much help from Jeffrey A Law and Richard Henderson
24454 * i386.md: In the 6 insns which call output_fix_trunc,
24455 earlyclobber operands[0].
24457 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
24459 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
24460 creating new registers.
24462 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
24464 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
24465 i386_reg_alloc_order, i386_regparm_string,
24466 i386_align_loops_string, i386_align_jumps_string,
24467 i386_align_funcs_string, i386_preferred_stack_boundary_string,
24468 and i386_branch_cost_string as type "const char *".
24469 * i386.c: Define all above strings as type "const char *".
24471 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
24473 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
24474 when emitting alignment padding. Emit padding byte of 0 instead of 4.
24476 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
24478 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
24479 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
24481 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
24483 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
24484 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
24485 (dwarf2out_line, dwarf2out_finish): Likewise.
24486 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
24488 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
24490 * tree.c (lang_unsave_expr_now) : Correct return type.
24491 * tree.h (lang_unsave_expr_now) : Same.
24493 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
24495 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
24496 instead of duplicating code.
24498 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24500 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
24502 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
24504 * tree.h: fancy_abort always takes three args.
24505 * resource.c: Move include of system.h before toplev.h.
24507 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
24509 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24512 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24514 * system.h: Don't redefine abort or trim_filename.
24515 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24516 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24517 whether or not __FUNCTION__ is available.
24518 * tree.h: Duplicate rtl.h's definition of abort, for files
24519 that don't include rtl.h. Delete all code to perform type
24520 checking with a compiler other than GCC.
24521 * varray.h: Delete all code to perform type checking with a
24522 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24523 its arguments exactly once, using a statement expression.
24524 Adjust the VARRAY_<type> accessor macros to match.
24525 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24526 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24527 caller's location. Define fatal_insn and fatal_insn_not_found
24528 as macros that use _fatal_insn and _fatal_insn_not_found.
24529 (fancy_abort, trim_filename): Kill prototypes.
24531 * rtl.c (trim_filename): Move here from toplev.c.
24532 (fancy_abort): New function.
24533 (DIR_SEPARATOR): Provide default definition.
24534 * tree.c (tree_check_failed, tree_class_check_failed): Go
24535 through fancy_abort.
24536 (tree_check, tree_class_check, cst_or_constructor_check,
24537 expr_check): Delete.
24538 * varray.c (varray_check_failed): New function.
24539 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24540 _fatal_insn and _fatal_insn_not_found. Go through
24542 (trim_filename, fancy_abort): Delete.
24544 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24545 * except.c (start_catch_handler): Report ICE with error/abort
24547 * final.c (output_operand_lossage): Likewise.
24548 * flow.c (verify_flow_info): Likewise.
24550 * gcc.c: Prototype fatal.
24551 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24552 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24553 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24554 Don't define fancy_abort.
24556 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24558 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24561 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24563 * m88k.h (VERSION_INFO2): Kill.
24564 (VERSION_STRING): Kill.
24566 (VERSION_INFO1): Tidy.
24567 (TARGET_VERSION): Update.
24568 * m88k/dgux.h (VERSION_INFO2): Kill.
24569 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24570 * m88k/luna.h (VERSION_INFO1): Tidy.
24571 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24572 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24573 (output_file_start): Adjust for death of VERSION_STRING.
24575 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24577 * cpplib.c (detect_if_not_defined): New function.
24578 (do_if): Use it to detect potential once-only headers.
24580 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24582 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24584 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24586 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24587 anywere in the function only if they are pseudos and set before
24588 being used (not live at the start of the function).
24589 (num_sign_bit_copies) : Same.
24590 (get_last_value_validate) : Same.
24591 (get_last_value) : Same.
24593 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24595 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24596 where N and M are constant and N is an integer multiple of M.
24598 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24600 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24601 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24602 sbitmap_union_of_preds): Add prototypes.
24603 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24604 the intersection of successors with the new flow graph structures.
24605 (sbitmap_intersection_of_preds): New function to compute the
24606 intersection of predecessors with the new flow graph structures.
24607 (sbitmap_union_of_succs): New function to compute the union of
24608 successors with the new flow graph structures.
24609 (sbitmap_union_of_preds): New function to compute the union of
24610 predecessors with the new flow graph structures.
24611 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24612 (expr_reaches_here_p): Use edge and basic_block structures instead
24613 of s_preds and s_succs.
24614 (compute_cprop_avinout): Use new sbitmap routines.
24615 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24616 of s_preds and s_succs.
24617 * flow.c (compute_flow_dominators): Compute dominators using
24618 edges and basic blocks instead of s_preds and s_succs.
24620 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24622 * lists.c (unused_insn_list, unused_expr_list): New file for
24623 maintaining various types of lists. New statics for maintaining a
24624 cache of available INSN_LIST and EXPR_LIST nodes.
24625 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24626 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24627 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24628 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24629 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24630 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24631 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24632 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24633 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24634 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24635 (remove_dependence, free_pending_lists): Use new global routines.
24636 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24637 (sched_analyze, compute_block_backward_dependences): Use new routines.
24638 (sched_analyze_1, sched_analyze_2): Use new routines.
24639 (schedule_insns): Use new global routines.
24640 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24642 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24643 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24645 * toplev.c (rest_of_compilation): Initialize node cache.
24646 * Makefile.in (OBJS): Add lists.o to list of object files.
24647 (lists.o): Add dependancies.
24649 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24651 * config/v850/v850.md: Fix compile time warning messages.
24652 * config/v850/v850.c: Fix compile time warning messages.
24653 * config/v850/v850.h: Fix compile time warning messages.
24655 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24657 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24658 Remove unused prototype for `init_lengths'.
24660 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24662 * calls.c (emit_call_1): Mark parameter `stack_size' with
24664 (expand_call): Initialize variable `insn'.
24665 (emit_library_call): Likewise for variable `high_to_save'.
24666 (emit_library_call_value): Likewise.
24667 (store_one_arg): Likewise for variables `lower_bound' and
24670 * combine.c (try_combine): Likewise for variables `i2_code_number'
24671 and `other_code_number'.
24672 (find_split_point): Likewise for variables `pos', `unsignedp' and
24674 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24675 (simplify_and_const_int): Remove unused variable `width'.
24676 (merge_outer_ops): Likewise.
24678 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24679 HOST_WIDE_INT' when comparing against one.
24680 (simplify_relational_operation): Likewise.
24681 (cse_insn): Initialize variables `src_eqv_volatile',
24682 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24684 * final.c (init_final): Constify parameter `filename'.
24685 (final_start_function): Mark parameter `optimize' with
24687 (profile_function): Likewise for parameters `first' and `optimize'.
24688 (output_source_line): Likewise for parameter `file'.
24690 * integrate.c (subst_constants): Cast a value to `size_t' when
24691 comparing against one.
24692 (mark_stores): Initialize variable `mode'. Cast a value to
24693 `size_t' when comparing against one.
24695 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24697 * loop.c (move_movables): Initialize variable `first'.
24698 (strength_reduce): Likewise for variable `increment'.
24699 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24700 value to `size_t' when comparing against one.
24701 (load_mems): Initialize variable `end_label'.
24703 * output.h (init_final): Constify parameter.
24705 * reload.c (decompose): Initialize variable `base'.
24707 * reload1.c (reload): Likewise for variable `is_scalar'.
24708 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24709 (choose_reload_regs): Initialize variable `mode'.
24710 (emit_reload_insns): Likewise for variable `store_insn'.
24711 (reload_cse_noop_set_p): Mark parameter `insn' with
24713 (reload_combine): Initialize variable `set'.
24715 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24716 (copy_loop_body): Cast a value to `size_t' when comparing against
24719 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24720 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24721 (remove_from_pending_weak_list): Mark parameter `name' with
24724 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24726 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24729 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24731 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24732 (ASM_DECLARE_FUNCTION_NAME): Define.
24733 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24734 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24735 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24736 not already defined.
24738 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24740 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24741 of n_popped when call/call_value are not defined.
24743 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24745 * tm.texi: GNU CC -> GCC conversion.
24746 (CC1_SPEC): Indicate it is used for all language front ends.
24748 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24750 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24751 NOTE_INSN_EH_REGION_END correctly.
24753 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24754 Jeff Law <law@cygnus.com>
24756 * loop.c (strength_reduce): Automatically unroll loops if the
24757 unrolled loop size is smaller than the rolled loop size.
24759 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24760 and delete comment that code should be rewritten.
24762 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24764 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24767 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24769 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24771 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24772 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24773 (LINK_SPEC): Add -u _main when building executables.
24774 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24775 (ASM_FILE_END): Use the default for ix86-pe.
24776 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24778 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24780 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24781 and ASM_CLOSE_PAREN are empty strings.
24783 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24784 Geoffrey Keating <geoffk@cygnus.com>
24786 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24787 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24788 (unprotoize.o): Ditto.
24789 (test-protoize-simple): Don't define STD_PROTO_DIR.
24790 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24791 changes to make 'test-protoize-simple' pass.
24792 (STD_PROTO_DIR): Remove define.
24793 (STANDARD_EXEC_PREFIX): Supply default define.
24794 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24795 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24796 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24797 (GET_ENV_PATH_LIST): New macro.
24798 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24799 (do_processing): Initialize default_syscalls_dir using new
24800 macros. Use it to initialize syscalls_absolute_filename.
24802 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24804 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24805 B into a register before emit_conditional_move.
24807 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24809 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24810 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24811 multiplicand out of (+ (* a b) (* c d)).
24813 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24814 Richard Henderson <rth@cygnus.com>
24816 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24817 (new_insn_dead_notes): Likewise.
24818 (update_n_sets): Likewise.
24819 (update_flow_info): Move to flow.c, renamed to update_life_info;
24820 extend to handle multiple source insns.
24821 * flow.c: Include resource.h
24822 (unlink_insn_chain): New.
24823 (split_hard_reg_notes): New.
24824 (maybe_add_dead_note): New.
24825 (maybe_add_dead_note_use): New.
24826 (find_insn_with_note): New.
24827 (new_insn_dead_notes): New.
24828 (update_n_sets): New.
24829 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24830 (maybe_remove_dead_notes): New.
24831 (update_life_info): New.
24832 (prepend_reg_notes): New.
24833 (replace_insns): New.
24834 * output.h (update_life_info): Declare.
24835 * recog.c (split_block_insns): Use update_life_info.
24836 * resource.c (find_free_register): Use reg_alloc_order, don't use
24837 fixed regs, make sure the mode is supported, don't use new regs.
24839 * rtl.h (replace_insns): Declare.
24841 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24843 * expr.c (expand_expr): Cope with COND_EXPRs with one
24844 non-returning branch.
24846 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24848 * expr.c (store_expr): Always pass down the target, even when not
24851 1999-08-24 Nick Clifton <nickc@cygnus.com>
24853 * configure.in: Define target_cpu_default for v850 targets.
24854 * configure: Regenerate
24856 * config/v850/v850.h (TARGET_CPU_generic): Define.
24857 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24858 addresses are 4 byte aligned.
24860 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24863 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24865 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24866 (main): Add prototypes.
24868 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24869 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24870 (write_attr_get): Emit prototypes along with function definition.
24871 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24872 (write_complex_function): Emit static prototype along with
24873 function definition.
24875 * genemit.c (gen_split): Emit prototypes along with function
24878 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24879 Likewise for predicates and `insn_operand_predicate'.
24880 (process_template): Emit static prototype along with function
24883 * genrecog.c (make_insn_sequence): Constify a char*. Add
24884 prototypes for get_split_*().
24885 (write_subroutine): Emit prototypes along with function
24888 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24890 * gcse.c (find_avail_set): Follow chains of register-register copies.
24891 Use oprs_not_set_p to guarantee that the returned value can be
24893 (cprop_insn): Don't verify the return value of find_avail_set with
24896 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24897 (cprop_cc0_jump): New function.
24898 (cprop_insn): Break out new function cprop_jump and use it.
24899 Also use cprop_cc0_jump for machines with CC0.
24900 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24902 * tree.h (current_function_calls_setjmp,
24903 current_function_calls_longjmp): Delete declarations.
24904 * dsp16xx.c: Include "function.h".
24905 * elxsi.c: Likewise.
24906 * gmicro.c: Likewise.
24907 * h8300.c: Likewise.
24908 * i370.c: Likewise.
24909 * m32r.c: Likewise.
24910 * mn10200.c: Likewise.
24911 * mn10300.c: Likewise.
24912 * ns32k.c: Likewise.
24913 * spur.c: Likewise.
24914 * v850.c: Likewise.
24916 * rtl.h (rtx_equal_function_value_matters): Declare.
24917 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24919 * function.c: Likewise.
24920 * emit-rtl.c: Likewise.
24922 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24924 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24927 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24929 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24932 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24934 * cpp.texi: Add a node documenting macro varargs (copied
24937 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24939 * cppspec.c: Put a null pointer at the end of the new argv.
24941 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24943 * configure.in: Remove code to select/de-select the haifa
24944 scheduler. Every scheduled port gets haifa now.
24945 * configure: Rebuilt.
24946 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24948 * Makefile.in: Corresponding changes.
24950 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24952 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24953 All callers changed.
24954 (prepare_float_lib_cmp): Likewise.
24955 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24956 * expr.h (emit_float_lib_cmp): Delete declaration.
24957 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24958 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24959 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24961 (cmptf): Now conditional on TARGET_HARD_QUAD.
24963 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24965 * resource.c (mark_target_live_regs): Use
24966 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24968 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24970 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24972 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24974 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24976 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24978 * rtl.h (rtx_format): Constify a char*.
24980 * rtl.c (rtx_format): Likewise.
24981 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24982 (init_rtl): Use accessor macro, not `rtx_format'.
24984 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24987 * caller-save.c (mark_referenced_regs): Likewise.
24989 * combine.c (subst, make_compound_operation, known_cond,
24990 gen_rtx_combine, update_table_tick, get_last_value_validate,
24991 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24993 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24994 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24995 count_reg_usage): Likewise.
24997 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
25000 * final.c (leaf_renumber_regs_insn): Likewise.
25002 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
25003 dump_edge_info, count_reg_references): Likewise.
25005 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
25006 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
25009 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
25010 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
25011 add_label_notes): Likewise.
25013 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
25014 clear_struct_flag, count_sub_rtxs, count_alternatives,
25015 compares_alternatives_p, contained_in_p, walk_attr_value,
25016 write_expr_attr_cache): Likewise.
25018 * genconfig.c (walk_insn_part): Likewise.
25020 * genemit.c (max_operand_1, gen_exp): Likewise.
25022 * genextract.c (walk_rtx): Likewise.
25024 * genflags.c (num_operands): Likewise.
25026 * genoutput.c (scan_operands): Likewise.
25028 * genpeep.c (match_rtx): Likewise.
25030 * genrecog.c (add_to_sequence): Likewise.
25032 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
25035 * integrate.c (save_constants, copy_for_inline,
25036 copy_rtx_and_substitute, subst_constants, restore_constants):
25039 * jump.c (mark_jump_label, invert_exp, redirect_exp,
25040 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
25042 * local-alloc.c (contains_replace_regs, memref_referenced_p):
25045 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
25046 add_label_notes, replace_call_address, count_nonfixed_reads,
25047 invariant_p, find_single_use_in_loop, find_mem_givs,
25048 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
25051 * print-rtl.c (reg_names, print_rtx): Likewise.
25053 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
25055 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
25056 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
25057 print_blocks): Likewise.
25059 * regclass.c (fix_register, record_address_regs,
25060 reg_scan_mark_refs): Likewise.
25062 * regmove.c (stable_but_for_p): Likewise.
25064 * reload.c (loc_mentioned_in_p, operands_match_p,
25065 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
25066 copy_replacements, refers_to_regno_for_reload_p,
25067 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
25068 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
25071 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
25072 delete_address_reloads_1, count_occurrences,
25073 reload_cse_mem_conflict_p, reload_combine_note_use,
25074 add_auto_inc_notes): Likewise.
25076 * resource.c (mark_referenced_resources, mark_set_resources):
25079 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
25080 reg_mentioned_p, regs_set_between_p, modified_between_p,
25081 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
25082 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
25083 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
25084 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
25086 * sched.c (sched_analyze_2, attach_deaths): Likewise.
25088 * stupid.c (stupid_mark_refs): Likewise.
25090 * unroll.c (remap_split_bivs): Likewise.
25092 * varasm.c (mark_constants): Likewise.
25094 * a29k/a29k.c (uses_local_reg_p): Likewise.
25096 * alpha/alpha.c (summarize_insn): Likewise.
25098 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
25099 eliminate_lr2ip): Likewise.
25101 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
25103 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
25104 reg_mentioned_in_mem): Likewise.
25106 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
25107 symbolic_reference_mentioned_p): Likewise.
25109 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
25111 * sh/sh.c (regs_used, mark_use): Likewise.
25113 * vax/vax.c (vax_rtx_cost): Likewise.
25115 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25117 * machmode.h (mode_name): Constify a char*.
25119 * rtl.c (mode_name): Likewise.
25121 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
25123 * optabs.c (init_libfuncs): Constify a char*.
25125 * print-tree.c (mode_name): Remove redundant declaration.
25126 (print_node): Use accessor macro, not `mode_name'.
25128 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
25130 (new_spill_reg): Constify a char*.
25132 * tree.c (mode_name): Remove redundant declaration.
25134 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25136 * rtl.c (rtx_name): Constify a char*.
25138 * rtl.h (rtx_name, fix_sched_param): Likewise.
25140 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
25141 (mypr): Use accessor macro, not `rtx_name'.
25143 * genemit.c (print_code): Constify a char*.
25145 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
25147 * genpeep.c (print_code): Constify a char*.
25149 * genrecog.c (print_code): Likewise.
25151 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
25152 end_bb): Add static prototype.
25153 (draw_edge): Constify a char*.
25154 (end_bb): Remove unused parameter.
25156 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
25157 print_block_visualization): Constify a char*.
25159 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
25161 * c-common.c (c_get_alias_set): Update comment.
25163 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25165 * linux.h (LIB_SPEC): Added.
25167 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25169 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
25171 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
25173 * tree.c (expr_check): Fix typo in last change.
25175 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
25177 * rtl.def (NOTE): Change format to "iuu0n".
25178 (ADDR_DIFF_VEC): Change format to "eEee0".
25179 (ADDRESSOF): Change format to "eit".
25181 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
25182 (RTVEC_ELT): Change to match.
25183 (XVECEXP): Use XVEC and RTVEC_ELT.
25184 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
25185 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
25186 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
25187 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
25188 TRAP_CONDITION, TRAP_CODE): Use XEXP.
25189 (INTVAL): Use XWINT.
25190 (ADDRESSOF_DECL): Use XTREE.
25191 (SET_ADDRESSOF_DECL): Delete.
25192 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
25193 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
25194 ifdefed out since 2.6 at least.
25195 (gen_rtvec_vv): Delete prototype.
25197 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
25199 (copy_most_rtx): Handle 't' format letter.
25200 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
25201 (gen_rtvec_vv): Delete function. All callers changed to use
25202 gen_rtvec_v instead.
25203 * print-rtl.c (print_rtx): Move special casing of NOTEs to
25204 the '0' format letter.
25206 * function.c (gen_mem_addressof): Don't use
25207 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
25209 * integrate.c (copy_rtx_and_substitute): Likewise.
25210 Copy 't' slots with XTREE.
25211 (subst_constants): Treat 't' slots like '[swi]' slots.
25212 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
25213 * jump.c (rtx_equal_for_thread_p): Likewise.
25214 * rtlanal.c (rtx_equal_p): Likewise.
25215 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
25216 only four arguments.
25217 * gengenrtl.c (type_from_format): Provide correct types for
25221 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
25222 If a recent gcc is in use (always in stage2 and beyond), use
25223 statement expressions, so we don't make a function call unless
25224 the check fails. Evaluate arguments exactly once.
25225 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
25226 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
25228 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
25229 they evaluate their arguments exactly once, irrespective of
25230 the compiler in use.
25232 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
25233 is used by the currently-enabled check macros. This is:
25234 (tree_check_failed, tree_class_check_failed): For gcc.
25235 (tree_check, tree_class_check, cst_or_constructor_check,
25236 expr_check): For other compilers.
25238 * gencheck.c: Do not define any *_CHECK1 macros.
25240 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
25241 Mark Mitchell <mark@codesourcery.com>
25243 * c-common.c (c_get_alias_set): Fix support for poitners and
25246 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
25248 * alias.c: Include tree.h.
25249 (nonlocal_reference_p, mark_constant_function): New functions.
25250 * flow.c (life_analysis): Call mark_constant_function.
25251 * rtl.h (mark_constant_function): Declare it.
25253 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
25255 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
25256 unrecognisable switches.
25258 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25260 * loop.c (recombine_givs): Set ix field after sorting.
25261 (recombine_givs): Remove bogus index / giv lockstep looping.
25263 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25265 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
25267 (emit_store_flag_force): Use do_compare_rtx_and_jump.
25268 (do_cmp_and_jump): Formatting fixes.
25269 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
25270 do_compare_rtx_and_jump instead of compare_from_rtx.
25271 (do_compare_rtx_and_jump): New function; mostly copied from
25273 (do_jump_for_compare): Delete.
25274 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
25276 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
25277 of compare/do_jump_for_compare pairs.
25278 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
25279 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
25280 compare_from_rtx/do_jump_for_compare pairs.
25281 (do_jump_by_parts_equality): Likewise.
25282 (do_jump_by_parts_equality_rtx): Likewise.
25283 * expr.h (do_compare_rtx_and_jump): Declare.
25284 * optabs.c (prepare_cmp_insn): New function, contains most of the code
25285 that used to be in emit_cmp_insn.
25286 (cmp_available_p): New function.
25287 (prepare_operand): New function.
25288 (emit_cmp_and_jump_insn_1): New function, contains some code that used
25289 to be in emit_cmp_insn.
25290 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
25291 parameters to be pointers; don't emit final compare but modify some of
25292 the values pointed to by the args so the caller can perform the
25293 correct comparison.
25294 (expand_binop): Call emit_store_flag_force with signed forms of
25296 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
25297 emit_jump_insn pair.
25298 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
25299 emit_cmp_and_jump_insn_1. Call emit_queue.
25300 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
25302 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
25303 jump sets cc0 before deleting it.
25304 * integrate.c (expand_inline_function): Likewise.
25305 * unroll.c (unroll_loop): Similar changes in several places.
25306 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
25307 before deleting it.
25309 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25311 * Makefile.in (insn-recog.o): Update dependencies.
25312 * genrecog.c (main): Make generated file include "function.h".
25314 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
25316 * cse.c (cse_insn): Call never_reached_warning when a jump is
25317 changed to be unconditional.
25318 * flags.h: Declare warn_notreached.
25319 * flow.c (delete_block): Call never_reached_warning when
25320 a block is deleted.
25321 * jump.c (delete_barrier_successors): Call never_reached_warning
25322 when we delete everything after a BARRIER.
25323 (never_reached_warning): New function.
25324 * rtl.h: Declare never_reached_warning.
25325 * toplev.c (warn_notreached): New variable.
25326 (lang_independent_options): Set warn_notreached
25327 when -Wunreachable-code.
25328 (compile_file): We need line numbers for -Wunreachable-code.
25330 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
25332 * haifa-sched.c (insn_unit): Fix typo on out of range test.
25333 * sched.c (insn_unit): Likewise.
25335 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
25337 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
25339 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25341 * flow.c (create_edge_list): Use xmalloc, not malloc.
25343 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
25345 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
25346 C-style comments. Do not lose the character before double slash.
25348 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25350 * basic-block.h (struct edge_list): Stucture to maintain a vector
25352 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
25353 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
25354 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
25355 New function prototypes.
25356 * flow.c (create_edge_list): Function to create an edge list.
25357 (free_edge_list): Discards memory used by an edge list.
25358 (print_edge_list): Debug output showing an edge list.
25359 (verify_edge_list): Internal consistency check for an edge list.
25360 (find_edge_index): Function to find an edge index for a pred and succ.
25362 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
25364 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
25367 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
25369 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
25371 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25373 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25375 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
25377 * toplev.c (rest_of_compilation): Allow machine dependent
25378 reorganisation pass to place information into the RTL dump
25379 file if it so wishes.
25381 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
25383 * explow.c (hard_function_value): Use VOIDmode instead of
25385 * stmt.c (expand_return): Likewise.
25386 * stor-layout.c (get_best_mode): Likewise.
25388 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
25389 emit call instead of emit_insn call.
25391 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25393 * configure.in: Handle --disable/enable-win32-registry.
25394 * install.texi: Document --disable/enable-win32-registry.
25395 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
25396 (WIN32_REGISTRY_KEY): New macro.
25397 * prefix.c: Use to enable/disable win32-specific code.
25398 (lookup_key): Use versioned key.
25399 * configure: Regenerate.
25400 * config.in: Likewise.
25402 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
25404 * cpplib.c (read_line_number): New fn, split out of...
25407 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
25409 tree.c (lang_unsave_expr_now) : New.
25410 (unsave_expr_now): Call lang_unsave_expr_now.
25411 tree.h (lang_unsave_expr_now) : New.
25413 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
25415 * toplev.c (flag_new_exceptions): On by default.
25417 1999-08-13 Michael Meissner <meissner@cygnus.com>
25419 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
25421 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25423 * dwarfout.c (fundamental_type_code): Return FT_boolean for
25424 INTEGER_TYPE with precision==1, it's __java_boolean.
25426 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25428 * global.c (prune_preferences): Move some invariants out of the
25431 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
25433 * configure.in (alpha*-dec-osf*): Add osf5.
25435 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
25437 * configure.in: Rework handling of ARM GNU/Linux slightly.
25438 (arm*-*-linux-gnuoldld): New target.
25439 * configure: Regenerate.
25440 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
25441 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
25442 * config/arm/linux-oldld.h: New file.
25443 * config/arm/linux-elf26.h: Don't include linux-elf.h.
25444 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
25446 * config/arm/linux-elf.h (ASM_SPEC): Define.
25447 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
25448 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
25449 for 26-bit APCS and old linker.
25450 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
25452 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
25453 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
25454 don't define `arm' or `arm_elf'.
25455 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
25456 MULTILIB_DIRNAMES): Define. Fix typo in comment.
25458 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
25460 * rtl.texi: Fix typo.
25462 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
25464 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
25466 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
25468 * extend.texi (C++ Signatures): Remove node.
25469 * invoke.texi: Remove discussion of -fhandle-signatures,
25470 signature, sigof, __signature__, and __sigof__.
25472 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
25474 * Makefile.in (JAVAGC): Removed.
25476 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
25478 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25480 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
25482 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25484 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
25486 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
25487 a register that is already known to be a pointer.
25489 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
25491 * fixinc/inclhack.tpl: Only install assert.h conditionally.
25492 * fixinc/inclhack.sh: Regenerated.
25493 * fixinc/fixincl.sh: Regenerated.
25495 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
25497 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
25498 Fix documentation of -ansi flag to describe its C++ behavior.
25499 Remove bogus reference to GCC 2.9.
25501 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
25503 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
25504 note if it is non-NULL.
25506 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25508 * except.h (eh_nesting_info): Add new structure defintion.
25509 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
25510 (reachable_handlers, update_rethrow_references): Add function
25512 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25513 a rethrow symbol instead of an integer exception region number.
25514 * flow.c (Make_edges): Use new exception nesting routines to determine
25515 which handlers are reachable from a CALL or asynchronous insn.
25516 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25518 (delete_eh_regions): Update rethrow labels, and don't delete
25519 regions which are the target of a rethrow.
25520 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25521 avoid overloading the SYMBOL_REF_USED flag.
25522 (rethrow_symbol_map): Use new rethrow_ref field.
25523 (rethrow_used): Use new rethrow_ref field.
25524 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25525 of an integer. Fix formatting.
25526 (output_exception_table_entry): Use new rethrow_ref field.
25527 (can_throw): Check for EH_REGION_NOTE before deciding
25528 whether a CALL can throw or not.
25529 (scan_region): Call rethrow_used() instead of accessing data structure.
25530 (update_rethrow_references): New function to make sure only regions
25531 which are still targets of a rethrow are flagged as such.
25532 (process_nestinfo): New static function to initialize a handler
25533 list for a specific region.
25534 (init_eh_nesting_info): New function to allocate and initialize
25535 the list of all EH handlers reachable from all regions.
25536 (reachable_handlers): New function to retrieve the list of handlers
25537 reachable from a specific region and insn.
25538 (free_eh_nesting_info): New function to dispose of a list of
25539 reachable handlers.
25541 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25543 * flow.c (split_edge): Set JUMP_LABEL field.
25544 (commit_one_edge_insertion): Set head correctly for insert_before.
25545 When inserting insns, update insn block numbers if allocated.
25547 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25549 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25550 retry_incomplete_types): Add static prototype.
25551 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25552 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25553 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25554 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25555 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25558 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25559 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25561 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25563 * output.h (assemble_name): Constify a char*.
25565 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25566 assemble_variable, assemble_name): Likewise.
25568 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25570 * arm/pe.c (arm_pe_unique_section): Likewise.
25572 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25574 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25576 * i386/interix.c (i386_pe_unique_section): Likewise.
25578 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25580 * i386/winnt.c (i386_pe_unique_section): Likewise.
25582 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25584 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25586 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25588 * pa/pa.c (output_call): Likewise.
25590 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25592 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25594 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25597 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25600 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25602 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25603 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25605 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25607 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25609 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25611 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25613 * tree.h (lang_identify): Constify a char*.
25614 (print_error_function): Add extern prototype. Constify a char*.
25616 * c-lang.c (lang_identify): Constify a char*.
25618 * objc/objc-act.c (lang_identify): Constify a char*.
25620 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25622 * genpeep.c (main): Make generated file include "function.h".
25623 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25625 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25627 * Makefile.in: Update dependencies.
25628 * alias.c: Include "function.h"
25629 * c-decl.c: Likewise.
25630 * caller-save.c: Likewise.
25631 * calls.c: Likewise.
25632 * combine.c: Likewise.
25634 * explow.c: Likewise.
25635 * final.c: Likewise.
25636 * global.c: Likewise.
25637 * graph.c: Likewise.
25638 * local-alloc.c: Likewise.
25639 * loop.c: Likewise.
25640 * optabs.c: Likewise.
25641 * profile.c: Likewise.
25642 * recog.c: Likewise.
25643 * regclass.c: Likewise.
25644 * regmove.c: Likewise.
25645 * reload.c: Likewise.
25646 * reorg.c: Likewise.
25647 * resource.c: Likewise.
25648 * sched.c: Likewise.
25649 * stupid.c: Likewise.
25650 * config/1750a/1750a.c: Likewise.
25651 * config/a29k/a29k.c: Likewise.
25652 * config/arc/arc.c: Likewise.
25653 * config/arm/arm.c: Likewise.
25654 * config/arm/thumb.c: Likewise.
25655 * config/c4x/c4x.c: Likewise.
25656 * config/clipper/clipper.c: Likewise.
25657 * config/convex/convex.c: Likewise.
25658 * config/fx80/fx80.c: Likewise.
25659 * config/i860/i860.c: Likewise.
25660 * config/m68k/m68k.c: Likewise.
25661 * config/m88k/m88k.c: Likewise.
25662 * config/mips/mips.c: Likewise.
25663 * config/pdp11/pdp11.c: Likewise.
25664 * config/pyr/pyr.c: Likewise.
25665 * config/romp/romp.c: Likewise.
25666 * config/sh/sh.c: Likewise.
25667 * config/tahoe/tahoe.c: Likewise.
25668 * config/vax/vax.c: Likewise.
25669 * config/we32k/we32k.c: Likewise.
25670 * config/sparc/sparc.c: Include "function.h".
25671 (mem_min_alignment): Test current_function rather than
25672 regno_pointer_align.
25673 * config/pa/pa.c: Likewise.
25674 (compute_frame_size): Delete declaration of
25675 current_function_outgoing_args_size.
25676 * config/arc/arc.h (current_function_varargs): Delete declaration.
25677 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25679 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25681 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25682 current_function_uses_pic_offset_table.
25683 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25684 of current_function_returns_pointer.
25685 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25686 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25687 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25688 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25689 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25690 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25691 * config/m88k/m88k.c: Include "function.h"
25692 (call_used_regs, current_function_pretend_args_size,
25693 current_function_outgoing_args_size, frame_pointer_needed): Delete
25695 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25697 * config/mips/mips.h (current_function_calls_alloca): Delete
25699 * config/mn10200/mn10200.h (current_function_needs_context,
25700 rtx_equal_function_value_matters): Delete declarations.
25701 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25702 flag_pic): Delete declarations.
25703 * config/pa/pa.h (current_function_pretend_args_size,
25704 current_function_decl): Delete declarations.
25705 * config/pa/som.h (current_function_varargs): Delete declaration.
25706 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25708 * config/pyr/pyr.h (current_function_pretend_args_size,
25709 current_function_args_size, current_function_calls_alloca): Delete
25711 * config/sh/sh.h (current_function_varargs): Delete declaration.
25712 * config/sparc/sparc.h (current_function_outgoing_args_size,
25713 current_function_calls_alloca, current_function_decl): Delete
25715 * config/spur/spur.h (current_function_pretend_args_size,
25716 current_function_calls_alloca): Delete declarations.
25717 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25719 * config/vax/vms.h (current_function_name): Delete declaration.
25720 * gcse.c: Include "function.h".
25721 (current_function_name, current_function_calls_setjmp): Delete
25723 * haifa-sched.c: Include "function.h".
25724 (forced_labels): Delete declaration.
25725 * jump.c: Likewise.
25726 * reg-stack.c: Likewise.
25727 * reload1.c: Likewise.
25728 * genemit.c (main): Make generated file include function.h.
25729 * genoutput.c (output_prologue): Likewise.
25731 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25732 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25733 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25734 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25735 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25736 macros for some of them.
25737 (emit_filename, emit_lineno): Delete declarations.
25738 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25739 regno_pointer_* variables through current_function.
25740 (gen_inline_header_rtx): Delete function.
25741 (save_emit_status): Delete function.
25742 (set_new_last_label_num): New function.
25743 (clear_emit_caches): New function.
25744 (restore_emit_status): Just clear last_labelnum and call
25746 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25747 through macro seq_stack.
25748 (add_insn_after): Likewise.
25749 (add_insn_before): Likewise.
25750 (remove_insn): Likewise.
25751 (pop_topmost_sequence): Likewise.
25752 (in_sequence_p): Likewise.
25753 (start_sequence_for_rtl_expr): Likewise.
25754 (start_sequence): Likewise, and likewise for
25755 sequence_rtl_expr/seq_rtl_expr.
25756 (push_topmost_sequence): Likewise.
25757 (end_sequence): Likewise.
25758 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25759 All callers changed. Store into that pointer instead of globals.
25760 (init_emit): Allocate emit elt of current_function.
25761 Changes for sequence_rtl_expr/sequence_stack renaming.
25762 Call clear_emit_caches instead of doing it in-line.
25763 Access regno_pointer_* variables through current_function.
25764 (init_emit_once) Don't clear sequence_stack.
25766 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25768 (arg_pointer_save_area): Delete declaration.
25769 (finish_expr_for_function): Renamed from init_queue; no longer static.
25770 (init_expr): Don't call init_queue.
25771 (save_expr_status, restore_expr_status): Delete functions.
25772 (expand_expr): Changes to reflect new layout of struct function.
25773 Don't access current_function_check_memory_usage when current_function
25775 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25776 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25777 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25778 current_function_uses_const_pool, function_call_count,
25779 current_function_uses_pic_offset_table, nonlocal_labels,
25780 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25781 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25782 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25784 (finish_expr_for_function): Declare.
25785 * flags.h (current_function_has_nonlocal_label,
25786 current_function_has_nonlocal_goto, current_function_is_thunk,
25787 current_function_has_computed_jump): Delete declarations.
25788 * flow.c (forced_labels): Delete declaration.
25789 * function.c (current_function_pops_args,
25790 current_function_returns_struct, current_function_returns_pcc_struct,
25791 current_function_needs_context, current_function_calls_setjmp,
25792 current_function_calls_longjmp, current_function_has_nonlocal_label,
25793 current_function_has_nonlocal_goto, current_function_is_thunk,
25794 current_function_has_computed_jump, current_function_calls_alloca,
25795 current_function_contains_functions, current_function_returns_pointer,
25796 current_function_epilogue_delay_list, current_function_args_size,
25797 current_function_pretend_args_size, current_function_arg_offset_rtx,
25798 current_function_outgoing_args_size, current_function_varargs,
25799 current_function_stdarg, current_function_args_info, cleanup_label,
25800 current_function_name, current_function_uses_const_pool,
25801 current_function_instrument_entry_exit, current_function_return_rtx,
25802 current_function_uses_pic_offset_table, nonlocal_labels,
25803 current_function_internal_arg_pointer, current_function_cannot_inline,
25804 current_function_check_memory_usage, function_call_count,
25805 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25806 nonlocal_goto_stack_level, return_label, save_expr_regs,
25807 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25808 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25809 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25810 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25811 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25813 (push_function_context_to): Don't save them. Don't call
25814 save_storage_status, save_emit_status or save_expr_status.
25815 (pop_function_context_from): Don't restore them. Don't call
25816 restore_storage_status or restore_expr_status.
25817 (get_func_frame_size): New function.
25818 (get_frame_size): Use it.
25819 (assign_outer_stack_local): Reflect some member name changes in struct
25821 (put_reg_into_stack): Likewise.
25822 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25824 (fixup_var_refs): Likewise.
25825 (fix_lexical_addr): Likewise.
25826 (trampoline_address): Likewise.
25827 (prepare_function_start): Clear field inlinable of current_function.
25828 (init_function_for_compilation): New function.
25829 (expand_dummy_function_end): New function.
25830 (expand_function_end): Call finish_expr_for_function.
25831 * function.h (struct emit_status): New; fields moved here from struct
25832 function and from global variables. Add accessor macros for some of
25834 (struct expr_status): Likewise.
25835 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25836 (struct function): Add fields expr and emit, inlinable, inl_emit,
25837 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25838 inl_max_label_num. Add many comments.
25839 Add accessor macros for all elts of struct function that no longer
25840 have a global variable.
25841 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25842 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25843 stack_slot_list): Delete declarations.
25844 (get_func_frame_size): Declare.
25845 (save_expr_status, restore_expr_status, save_emit_status,
25846 save_storage_status, restore_storage_status): Delete declarations.
25847 (init_virtual_regs): Declare.
25848 * output.h (current_function_pops_args,
25849 current_function_returns_struct, current_function_returns_pcc_struct,
25850 current_function_needs_context, current_function_calls_setjmp,
25851 current_function_calls_longjmp, current_function_calls_alloca,
25852 current_function_has_nonlocal_label, current_function_varargs,
25853 current_function_has_computed_jump, current_function_returns_pointer,
25854 current_function_contains_functions, current_function_args_size,
25855 current_function_pretend_args_size, current_function_stdarg,
25856 current_function_outgoing_args_size, current_function_args_info,
25857 current_function_name, current_function_return_rtx,
25858 current_function_epilogue_delay_list,
25859 current_function_uses_const_pool, current_function_cannot_inline):
25860 Delete declarations.
25861 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25862 regno_reg_rtx): Delete declaration.
25863 (REGNO_POINTER_FLAG): Delete macro.
25864 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25865 function were renamed.
25866 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25868 * toplev.c: Include "function.h".
25869 (current_function_decl): Delete declaration.
25870 (compile_file): Call init_dummy_function_start and
25871 expand_dummy_function_end around some initializations that need to
25873 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25874 Call init_function_for_compilation.
25875 * unroll.c: Include "function.h"
25876 (unroll_loop): Access regno_pointer_* variables through
25879 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25880 (DECL_SAVED_INSNS): use it.
25881 (expand_dummy_function_end): Declare.
25882 (init_function_for_compilation): Declare.
25883 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25884 that it's no longer an INLINE_HEADER.
25885 (expand_call): Likewise.
25886 * integrate.c (finish_inline): Delete function.
25887 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25888 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25889 args. Don't generate an INLINE_HEADER rtx, just return the arg
25890 vector. All callers changed.
25891 (save_for_inline_copying): Create a duplicate struct emit_status to
25892 hold the emit state for compiling the current function. Use this and
25893 the other new fields in struct function that are for integration
25894 instead of an INLINE_HEADER.
25895 Use memcpy instead of bcopy.
25896 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25897 (save_for_inline_nocopy): Similar changes, except no new emit_status
25899 (expand_inline_function): Get information from function structure,
25900 not from an inline header rtx.
25901 (output_inline_function): Lose code to extract the necessary
25902 information from an inline header; simply put back the function
25903 structure into current_function. Clear its inlinable elt.
25904 * rtl.def (INLINE_HEADER): Delete.
25905 * rtl.h: Delete all accessors for an INLINE_HEADER.
25906 (gen_inline_header_rtx): Delete declaration.
25907 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25908 Delete declarations.
25909 (REGNO_POINTER_ALIGN): Delete.
25910 (clear_emit_caches): Declare.
25911 (set_new_last_label_num): Declare.
25913 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25915 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25917 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25918 * stmt.c (is_eh_region): Make sure current_function is present, too.
25920 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25922 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25923 for 64bit PA targets.
25925 * pa.h (SELECT_SECTION): Define.
25926 * som.h (SELECT_SECTION): Delete.
25928 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25930 * alias.c (init_alias_analysis): Wrap call to
25931 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25933 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25935 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25936 <sys/asm.h> contains an asm comment with an apostrophe
25937 * fixinc/inclhack.sh: regen
25938 * fixinc/fixincl.x: regen
25940 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25942 * function.c (init_function_start): Clear prologue & epilogue.
25943 (prologue_epilogue_contains): New function.
25944 * alias.c (init_alias_analysis): Use it.
25945 * rtl.h (prologue_epilogue_contains): Declare it.
25947 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25949 * jump.c (onlyjump_p): New function.
25950 * rtl.h: Declare it.
25951 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25952 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25954 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25956 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25957 to invert loops. Simplify block scanning.
25959 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25961 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25962 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25964 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25966 * config/sparc/liteelf.h: New file to support sparclite-elf target
25967 * config/sparc/t-sp86x: New file to support sparc86x targets
25968 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25969 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25970 * configure.in: Support above target triplets
25971 * configure: Regenerated
25973 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25975 * fixinc/server.c (server_setup): Do not prefix function used as
25976 parameter with `&'.
25978 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25980 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25981 Remove fp reg alternatives.
25983 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25985 * Makefiin (TAROUTOPTS): Kill.
25986 (install-headers-tar): Use "xpf" for tar headerfile extraction
25987 * i370/x-oe (TAROUTOPTS): Delete.
25988 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25989 * m68k/x-hp320 (TAROUTOPTS): Delete.
25990 * m68k/x-hp320g (TAROUTOPTS): Delete.
25991 * gcc.texi: Update bug reporting text.
25993 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25995 * reg-stack.c (change_stack) Fixed problem with negative array index.
25997 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25999 * extend.texi, install.texi: Fix spelling mistakes.
26001 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
26002 (s-attrtab); No longer try to use pre-made insn-attrtab file.
26003 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
26004 PREMADE_ATTRTAB_MD.
26005 * mips/t-ecoff: Likewise.
26006 * mips/t-elf: Likewise.
26007 * mips/t-mips: Likewise.
26008 * mips/t-osfrose: Likewise.
26009 * mips/t-r3900: Likewise.
26010 * mips/t-svr3: Likewise.
26011 * mips/t-svr4: Likewise.
26012 * mips/t-ultrix: Likewise.
26014 * gcc.texi: Document recommend means to provide software floating
26015 point libraries in libgcc.a
26017 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
26019 * c-lex.c (yylex): We can have a number with no digits.
26021 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
26023 * jump.c (delete_prior_computation): New function, broken
26024 out of delete_computation. Check for side effects with
26025 side_effects_p instead of FIND_REG_INC_NOTE. Handle
26026 multi-word hard registers.
26027 (delete_computation): Use it. Check for side effects with
26028 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
26029 missing REG_DEAD note for a register which is both set and
26032 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
26034 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
26035 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
26036 (ASM_FILE_START): Import _mcount with the right type.
26037 (ASM_DECLARE_FUNCTION_NAME): Define.
26038 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
26039 * pa.c (output_function_prologue): Always emit the function's label
26041 * pa.h (TEXT_SPACE_P): Define.
26042 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26043 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
26044 * som.h (TEXT_SPACE_P): Delete.
26045 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26046 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
26048 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
26050 * expr.c (emit_group_load): Allow src to be a CONCAT.
26052 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26054 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
26055 (___mulsi3): Use '!' comment character.
26057 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26059 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
26061 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
26063 * gcc.c: Update URLs and mail addresses.
26064 * gcc.texi: Likewise.
26066 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
26068 * rs6000.c (current_file_function_operand): Return zero for
26070 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
26072 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
26075 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
26077 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
26078 allocate space in the stack frame for the PIC register.
26080 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
26082 * m68k.md (xordi3, anddi3): These patterns are not available on
26085 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
26087 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
26088 (PUT_REAL): Likewise.
26090 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26092 * final.c (shorten_branches): Don't add an alignment for loops
26093 that have no label inside.
26095 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26097 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
26098 prototypes in macro HAVE_cmpstrsi.
26100 * cpplib.c (cpp_get_token): Remove unused label `op3'.
26102 * emit-rtl.c (operand_subword): Remove unused variable
26105 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
26107 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
26109 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
26111 * cpphash.c (macroexpand): Delete leading whitespace when arg
26112 is concatenated before.
26113 (unsafe_chars): Correct test for whether + and - can extend a
26116 * cppinit.c (cpp_start_read): Do dependencies for
26117 -include/-imacros files also.
26119 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
26120 tokenizing non-directive lines.
26121 (cpp_expand_to_buffer): Temporarily disable no-output mode.
26122 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
26125 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26127 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
26129 * c-lex.c: Sync with C++ frontend.
26130 (linemode): New variable.
26131 (parse_float): imag, conversion_errno, and type are output only.
26132 (yylex): Adjust. Move initial '.' case into main switch.
26134 (handle_generic_pragma): Just deal with tokens.
26135 (readescape): Use ISXDIGIT and ISGRAPH.
26136 * c-parse.in: Add END_OF_LINE token.
26138 * c-lex.c (lang_init): Generalize.
26139 (nextchar): Remove. Replace uses with UNGETC.
26140 (skip_white_space): Handle linemode here. Optimize for cpplib.
26141 (skip_white_space_on_line): Remove.
26142 (extend_token_buffer_to): New fn.
26143 (extend_token_buffer): Use it.
26144 (read_line_number, check_newline): Just deal with tokens.
26145 (token_getch, token_put_back): New fns.
26146 (yylex): Use them. More cpplib optimizations. Simplify.
26148 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26149 Jason Merrill <jason@yorick.cygnus.com>
26151 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
26152 (consume_string): Make this smart about USE_CPPLIB.
26153 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
26154 (yylex): Rewrite to be intelligent about USE_CPPLIB.
26155 Also, clean up cases where we redundantly set token_buffer[0].
26156 (read_line_number): New fn.
26157 (ignore_escape_flag): New variable.
26159 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
26161 * a29k/t-a29kbare: Fix some comments.
26162 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
26163 (FPBIT, DPBIT): Define.
26164 * a29k/t-vx29k: Likewise.
26165 * arc/t-arc: Likewise.
26166 * arm/t-arm-elf: Likewise.
26167 * arm/t-bare: Likewise.
26168 * arm/t-pe: Likewise.
26169 * arm/t-pe-thumb: Likewise.
26170 * arm/t-semi: Likewise.
26171 * arm/t-thumb: Likewise.
26172 * arm/t-thumb-elf: Likewise.
26173 * arm/t-thumb-linux: Likewise.
26174 * h8300/t-h8300: Likewise.
26175 * i960/t-i960: Likewise.
26176 * i960/t-vxworks960: Likewise.
26177 * m32r/t-m32r: Likewise.
26178 * mips/t-ecoff: Likewise.
26179 * mips/t-elf: Likewise.
26180 * mips/t-r3900: Likewise.
26181 * pa/t-pro: Likewise.
26182 * rs6000/t-aix43: Likewise.
26183 * rs6000/t-beos: Likewise.
26184 * rs6000/t-newas: Likewise.
26185 * rs6000/t-ppccomm: Likewise.
26186 * rs6000/t-rs6000: Likewise.
26187 * rs6000/t-winnt: Likewise.
26188 * rs6000/t-xnewas: Likewise.
26189 * rs6000/t-xrs6000: Likewise.
26190 * sh/t-sh: Likewise.
26191 * sparc/t-elf: Likewise.
26192 * sparc/t-sparcbare: Likewise.
26193 * sparc/t-sparclite: Likewise.
26194 * sparc/t-splet: Likewise.
26195 * v850/t-v850: Likewise.
26196 * mn10200/t-mn10200: Fix comments.
26197 * mn10300/t-mn10300: Likewise.
26199 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
26200 dummy operand. Allocate a new pseudo for the dummy operand.
26201 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
26203 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
26205 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
26207 * configure: Rebuilt.
26208 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
26210 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
26212 * recog.c (preproces_constraints): Zero recog_op_alt before
26213 processing the constraints.
26215 * arm.c (typedef minipool_node): Renamed from pool_node.
26216 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
26217 (add_minipool_constant): New function.
26218 (dump_minipool): New function.
26219 (find_barrier): Remove special case for getting the insn size of
26220 an insn that references the constant pool.
26221 (minipool_fixup): New structure.
26222 (push_minipool_barrier): New function.
26223 (push_minipool_fix): New function.
26224 (note_invalid_constants): New function.
26225 (add_pool_constant, dump_table, fixit, broken_move): Delete.
26226 (arm_reorg): Rewrite code to fix up the constant pool into a
26227 series of mini-pools embedded in the insn stream.
26228 (arm_output_epilogue): New function, made mainly from the body
26229 of output_func_epilogue.
26230 (output_func_epilogue): Move insn generation part of epilogue code
26231 to arm_output_epilogue.
26232 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
26233 * arm.md (pool_range): New attribute.
26234 (zero_extendqidi2): Add attribute pool_range.
26235 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
26236 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
26237 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
26238 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
26239 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
26240 (epilogue): New expand.
26241 (epilogue_insn): New insn. Call arm_output_epilogue.
26243 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
26244 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
26246 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26248 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
26250 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
26252 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
26254 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
26256 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
26258 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
26260 * global.c: Fix comment.
26262 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
26264 * gcc.c (access_check): New static function.
26265 (find_a_file): Use it when searching a directory list.
26266 * collect2.c (find_a_file): Don't accept directories found when
26267 searching a directory list.
26269 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
26271 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
26272 function parameters with `&'.
26273 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
26275 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
26277 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
26278 or tidy_fallthru_edge if the last insn in the block is not
26279 an unconditional jump or a simple conditional jump.
26281 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26283 * Makefile.in (c-decl.o): Depends on defaults.h.
26285 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
26287 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
26289 (CLASS_MAX_NREGS): Likewise.
26291 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
26293 * cse.c (cse_insn): Fix dumb thinko in last change.
26295 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26297 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
26300 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
26302 * dwarf2out.c (add_location_or_const_value_attribute): Correct
26303 test for sizes of passed and declared parameter types.
26305 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26307 * fixincludes: Fix the return type of bsearch, char* -> void*.
26309 * fixinc/inclhack.def: Likewise.
26311 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
26313 * invoke.texi (-fdump-translation-unit): New option.
26315 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
26317 * expr.h (PROMOTE_PROTOTYPES): Move ...
26318 * defaults.h: ... to here.
26319 * c-decl.c: Include defaults.h instead of expr.h.
26320 * c-typeck.c: Include defaults.h.
26322 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
26324 * toplev.h (errorcount): Declare.
26325 (warningcount): Likewise.
26326 (sorrycount): Likewise.
26327 * c-lex.c (errorcount): Don't declare.
26328 * dwarf2out.c (errorcount): Don't declare.
26330 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
26332 * config/libgloss.h: Add a note discouraging use with ELF.
26333 * configure.in: Don't use libgloss.h for ELF targets.
26334 Always use_collect2 on a.out targets.
26336 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
26338 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
26339 (force_to_mode, case ASHIFTRT): Add shiftrt label.
26341 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26343 * loop.c (strength_reduce): When doing biv->giv conversion, update
26344 reg note of NEXT->insn.
26346 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26348 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
26350 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26352 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
26353 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
26354 Ensure expr.h is included.
26355 * c-typecheck.c (convert_arguments): Ditto.
26357 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
26359 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
26360 * config/convex/convex.h: Ditto.
26361 * config/dsp16xx/dsp16xx.h: Ditto.
26362 * config/fx80/fx80.h: Ditto.
26363 * config/gmicro/gmicro.h: Ditto.
26364 * config/i370/i370.h: Ditto.
26365 * config/i386/i386.h: Ditto.
26366 * config/m32r/m32r.h: Ditto.
26367 * config/m68k/m68k.h: Ditto.
26368 * config/m88k/m88k.h: Ditto.
26369 * config/mips/mips.h: Ditto.
26370 * config/pa/pa.h: Ditto.
26371 * config/pyr/pyr.h: Ditto.
26372 * config/tahoe/tahoe.h: Ditto.
26373 * config/we32k/we32k.h: Ditto.
26375 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
26376 based on arch size.
26378 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
26380 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
26383 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
26385 1999-08-02 Richard Henderson <rth@cygnus.com>
26387 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
26388 for the register spill block.
26389 (m32r_va_arg): New.
26390 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
26391 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
26393 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
26394 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
26395 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
26397 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26399 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
26400 MAX_WCHAR_TYPE defined in sparc.h.
26401 * config/sparc/linuxaout.h: Likewise.
26402 * config/sparc/linux64.h: Likewise.
26403 Also default to -mvis if CPU is UltraSPARC.
26405 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26407 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
26408 (RTX_OK_FOR_OLO10): Likewise.
26409 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
26410 %lo(), allow it in addresses...
26411 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
26412 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
26413 does not make sense.
26414 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
26415 (sparc_output_scratch_registers): New function.
26416 (output_function_prologue, sparc_flat_output_function_prologue): Use
26418 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
26420 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
26421 * configure.in: Add check for .register pseudo-op support in as and
26422 check for offsetable %lo().
26423 * acconfig.h: Add templates for the above checks.
26424 * configure: Regenerate.
26426 1999-08-02 Richard Henderson <rth@cygnus.com>
26428 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
26429 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
26430 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
26432 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26434 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26437 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26439 * config/float-sparc.h: New file.
26440 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
26441 sparc-*-linux-gnu and sparc64-*-linux*.
26443 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26445 * rs6000.c (rs6000_va_list): Type is an array.
26446 (rs6000_va_start): Don't doubly adjust for varargs.
26447 (rs6000_va_arg): Evaluate long long GPR adjustment.
26449 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
26451 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
26452 -maix64 and -maix32.
26453 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
26454 LINK_SPEC): Change appropriately.
26455 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
26456 (u_short_cint_operand): Likewise.
26457 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
26459 * rs6000/t-aix43 (MULTILIB): Change to -m64.
26461 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
26463 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
26465 * rs6000/rs6000.c (num_insns_constant_wide): Correct
26466 for type promotion.
26467 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
26468 (non_add_cint_operand): Likewise.
26469 (logical_operand): Likewise.
26470 (non_logical_cint_operand): Likewise.
26471 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
26472 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
26473 (rs6000_select_rtx_section): Suppress warning.
26474 (small_data_operand): Suppress warning.
26475 (rs6000_got_register): Suppress warning.
26476 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
26477 type, so `J' is generally the wrong constraint for a SImode value;
26479 (andsi3_internal2): Likewise.
26480 (andsi3_internal3): Likewise.
26481 (iorsi3_internal1): Likewise.
26482 (xorsi3_internal1): Likewise.
26484 (movsf_softfloat): Likewise.
26485 (scc insns): Likewise.
26486 (movsi+2): Preserve sign bits of SImode constant.
26487 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
26488 (movdf+1): Sign-extend properly.
26489 (movdi_32+1): Sign-extend properly.
26490 (scc insns): Sign-extend properly.
26492 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
26495 1999-08-02 Richard Henderson <rth@cygnus.com>
26497 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
26498 -mcpu parsing code.
26499 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
26500 * alpha.md (all fp insns): Likewise.
26502 1999-08-02 Nick Clifton <nickc@cygnus.com>
26504 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
26507 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
26509 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
26510 pic_load_label generator directly.
26511 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26512 No longer a named pattern.
26514 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26516 * explow.c (force_reg): Call force_operand if X does not
26517 satisfy general_operand.
26519 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26521 * fix-header.c (main): When testing for CONTINUED, use string
26522 equality, not pointer equality.
26524 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26526 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26528 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26530 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26531 that has become an unconditional jump.
26533 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26534 (output_function_epilogue): Similarly.
26536 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26538 * tree.h (init_dummy_function_start): Declare.
26540 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26542 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26543 last_expr_type, last_expr_value, block_start_count, block_stack,
26544 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26545 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26546 dynamically in stmt elt of struct function for each function.
26547 (struct nesting): Rename function_call_count elt to n_function_calls,
26548 target_temp_slot_level to block_target_temp_slot_level. All users
26550 (struct stmt_status): New structure definition.
26551 Add many accessor macros for stmt_status elements which previously
26552 were global variables.
26553 (init_stmt_for_function): Allocate stmt elt for current_function.
26554 Reflect that block_start_count was renamed to
26555 current_block_start_count.
26556 (save_stmt_status, restore_stmt_status): Delete functions.
26557 (preserve_subexpressions_p): Don't access loop_stack when outside
26559 (expand_start_bindings): Reflect that block_start_count was renamed to
26560 current_block_start_count.
26561 (expand_fixup): Likewise.
26562 (expand_decl): Don't access block_stack when outside a function.
26563 (expand_decl_cleanup): Likewise.
26564 (expand_dcc_cleanup): Likewise.
26565 (expand_dhc_cleanup): Likewise.
26566 (expand_anon_union_decl): Likewise.
26567 (set_file_and_line_for_stmt): New function.
26568 (in_control_zone_p): New function.
26570 * function.h (struct function): Add new elt stmt.
26571 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26572 case_stack, nesting_stack, nesting_depth, block_start_count,
26573 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26574 emit_lineno, goto_fixup_chain.
26575 (save_eh_status, restore_eh_status, save_stmt_status,
26576 restore_stmt_status): Delete declarations.
26577 * function.c (push_function_context_to): Don't call save_stmt_status.
26578 (pop_function_context_to): Don't call restore_stmt_status.
26579 * tree.h (in_control_zone_p): Declare.
26580 * rtl.h (set_file_and_line_for_stmt): Declare.
26582 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26583 call set_file_and_line_for_stmt.
26585 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26587 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26588 Also update copyright.
26590 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26592 * c-pragma.c: Don't include "except.h".
26593 * emit-rtl.c: Likewise.
26594 * stor-layout.c: Likewise.
26595 * tree.c: Likewise.
26596 * varasm.c: Likewise.
26598 * flow.c: Include "function.h".
26599 * tree.h (init_dummy_function_start): Declare new function.
26601 * except.h (struct eh_status): New structure.
26602 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26604 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26605 catch_clauses, false_label_stack, caught_return_label_stack,
26606 protect_list, current_function_ehc): Add accessor macros for the
26607 corresponding fields in current_function->eh; delete declarations
26608 for all items that used to be declared here.
26609 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26610 catch_clauses, false_label_stack, caught_return_label_stack,
26611 protect_list, current_function_ehc): Delete variables.
26612 (init_eh_for_function): Allocate current_function->eh.
26613 (save_eh_status, restore_eh_status): Delete functions.
26615 * function.h (struct function): Add fields next_global and eh.
26616 Delete all exception handling related fields.
26617 * function.c (current_function): New variable.
26618 (all_functions): New variable.
26619 (push_function_context_to): Don't allocate a struct function,
26620 use current_function instead. Call init_dummy_function_start when
26621 outside a function. Clear current_function before returning.
26622 (pop_function_context_from): Restore current_function.
26623 Don't free the restored struct function.
26624 (prepare_function_start): New function.
26625 (init_dummy_function_start): New function.
26626 (init_function_start): Break out some code into prepare_function_start
26629 * stmt.c (save_stmt_status): Don't call save_eh_status.
26630 (restore_stmt_status): Don't call restore_eh_status.
26632 * Makefile.in: Update dependencies.
26634 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26636 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26637 of depending on a magic constant value. Update comments.
26638 (hppa_expand_prologue): Similarly.
26640 * pa.md (reload_indi, reload_outdi): Allow any register for the
26641 original reload register.
26643 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26645 * cccp.c (print_help): Change marcos to macros.
26647 1999-07-30 Richard Henderson <rth@cygnus.com>
26649 * c-typeck.c (initializer_constant_valid_p): Move ...
26650 * c-common.c (initializer_constant_valid_p): ... here. Use
26651 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26652 of label addresses.
26653 * c-common.h (initializer_constant_valid_p): Declare.
26654 * c-tree.h (initializer_constant_valid_p): Remove.
26656 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26658 * config/i386/sol2-c1.asm: Align the stack.
26659 * config/i386/sol2-gc1.asm: Likewise.
26661 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26663 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26664 -Asparclite for sparc86x.
26665 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26667 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26669 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26671 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26672 the user if using the non-default arch size in BI_ARCH configuration.
26673 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26675 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26676 Fix patterns so that they actually match.
26677 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26678 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26679 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26681 (mulsidi3): Reflect this in the expand.
26682 (smulsi3_highpart): Only on TARGET_ARCH32.
26683 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26684 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26685 (umulsidi3): Reflect this in the expand.
26686 (umulsi3_highpart): Only on TARGET_ARCH32.
26687 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26688 don't require g0 to be zero.
26689 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26690 ({,u}divsi3): New expands.
26691 ({,u}divsi3_sp64): New patterns.
26692 (after lshrdi3_v8plus): Four new patterns to help combiner
26693 optimizing nested mixed mode shifts.
26695 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26696 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26697 speed things up. Don't use them by default on plain v9 in 64bit
26698 mode, according to what SPAMv9 sais.
26700 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26701 top 32 bits of %[og][0-7] in signal handlers.
26702 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26704 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26706 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26707 (ashlsi3): Corresponding changes.
26709 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26711 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26713 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26715 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26717 * arm.h (Hint): Delete macro.
26718 Substitute HOST_WIDE_INT for Hint in some prototypes.
26719 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26721 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26723 * builtins.c (expand_builtin_setjmp): Use force_operand to
26724 make sure that the buffer address is in a suitable form to be
26725 passed to force_reg.
26727 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26729 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26732 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26734 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26735 proper mode in the condition string.
26736 (icacheflush, dcacheflush): Remove modes from match_operands.
26738 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26739 proper mode before using it.
26741 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26744 * pa.c (store_reg): Do not call add_high_const generator directly.
26745 (load_reg, set_reg_plus_d): Likewise.
26746 * pa.md (add_high_const): No longer a named pattern.
26748 * pa.c (legitimize_address): Consistently use Pmode rather than
26749 SImode. Do not call gen_pic2_highpart directly anymore.
26750 * pa.md (pic2_highpart): No longer a named pattern.
26751 (pic2_lo_sum): Similarly. Reformat to make more readable.
26753 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26758 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26760 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26762 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26764 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26765 and tag the spill mems.
26766 (hppa_va_start): New.
26767 (hppa_va_arg): New.
26768 * pa.h (EXPAND_BUILTIN_VA_START): New.
26769 (EXPAND_BUILTIN_VA_ARG): New.
26771 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26773 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26774 and tag the spill mems.
26775 (mn10300_va_start): New.
26776 (mn10300_va_arg): New.
26777 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26778 (EXPAND_BUILTIN_VA_ARG): New.
26780 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26782 * mn10200.c (mn10200_va_arg): New.
26783 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26785 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26787 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26788 rather than play with TREE_INT_CST_LOW.
26790 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26792 * config/arm/telf.h: Include dbxelf.h.
26793 (CPP_PREDEFINES): Only define if not already defined.
26794 (ASM_IDENTIFY_GCC): Likewise.
26795 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26796 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26797 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26799 (DBX_DEBUGGING_INFO): Don't define.
26800 * config/arm/linux-telf.h: New file.
26801 * config/arm/linux-tgas.h: New file.
26802 * config/arm/t-thumb-linux: New file.
26803 * config/arm/uclinux-elf.h: New file.
26804 * config/arm/uclinux-telf.h: New file.
26805 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26806 thumb-*-uclinux): New targets.
26807 * configure: Regenerate.
26809 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26811 * pa.md (post_store, pre_load): New expanders.
26812 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26813 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26814 need to directly generate RTL for them.
26815 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26818 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26820 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26821 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26822 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26823 (secndary_reload_class): Make TARGET_ELF conditional compile.
26824 (print_operand_address): Similar.
26825 (output_toc): Print all values as hex.
26826 (get_issue_rate): Rearrange and add RS64A and PPC630.
26827 * rs6000.h (processor_type): Add RS64A and PPC630.
26828 (PROCESSOR_POWERPC64): New.
26829 (PROMOTE_MODE): Use word_mode.
26830 (RTX_COSTS): Add RS64A and PPC630.
26831 * rs6000.md (scheduling information): Add lmul and ldiv
26832 representing 64-bit integer multiply and divide. Add rs64a and
26833 PPC630 information.
26834 (ashldi3): Add support for "rldic" instruction.
26835 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26837 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26839 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26840 instead of V8 for sparclite86x in cpu_table.
26842 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26844 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26845 output_file_directive.
26847 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26849 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26850 tree for op1, not the rtl.
26852 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26854 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26855 to m88k_va_start, leaving only the register spill.
26856 (m88k_build_va_list): New.
26857 (m88k_va_start): New.
26858 (m88k_va_arg): New.
26859 * m88k.h (BUILD_VA_LIST_TYPE): New.
26860 (EXPAND_BUILTIN_VA_START): New.
26861 (EXPAND_BUILTIN_VA_ARG): New.
26863 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26865 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26866 Rename from expand_builtin_saveregs.
26867 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26869 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26871 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26872 for the register spill block.
26873 (i960_build_va_list): New.
26874 (i960_va_start): New.
26875 (i960_va_arg): New.
26876 * i960.h (BUILD_VA_LIST_TYPE): New.
26877 (EXPAND_BUILTIN_VA_START): New.
26878 (EXPAND_BUILTIN_VA_ARG): New.
26879 * i960.md (store_multiple): Use change_address on individul mems.
26881 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26883 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26885 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26886 (expand_builtin_va_end): Evaluate arg for side effects.
26887 * c-common.c (c_common_nodes_and_builtins): Construct a
26888 va_list_arg_type_node to handle array decomposition to pointer.
26890 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26892 * except.c (st_dynamic_cleanup): Use force_operand on the
26895 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26897 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26898 * c4x.c (c4x_va_arg): New.
26900 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26902 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26903 has manual_pop set.
26905 1999-07-26 Nathan Sidwell <nathan@acm.org>
26907 * eh-common.h (__eh_matcher): Prototype correctly.
26909 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26911 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26912 (TARGET_SINGLE_PIC_BASE): Likewise.
26913 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26915 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26916 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26917 (TARGET_OPTIONS): Add -mpic-register=N.
26918 (OUTPUT_INT_ADDR_CONST): New macro.
26919 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26920 LEGITIMATE_PIC_OPERAND_P): Likewise.
26921 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26922 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26923 output_addr_const directly.
26924 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26926 (thumb_pic_register, thumb_pic_register_string): Declare.
26928 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26930 (label_mentioned_p): New function: Imported from arm.c.
26931 (legitimize_pic_address): New function: Imported from arm.c.
26932 (is_pic):New function: Imported from arm.c.
26933 (thumb_finalize_pic):New function: Imported from arm.c.
26934 (add_constant): Cope with PIC constants.
26935 (fixit): Cope with PIC constants.
26936 (output_return): Do not treat the PIC register as live if
26937 TARGET_SINGLE_PIC_BASE is true.
26938 (thumb_function_prologue): Do not treat the PIC register as live if
26939 TARGET_SINGLE_PIC_BASE is true.
26940 (thumb_expand_prologue): Do not treat the PIC register as live if
26941 TARGET_SINGLE_PIC_BASE is true.
26942 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26943 TARGET_SINGLE_PIC_BASE is true.
26944 (thumb_print_operand): Accept '|'.
26945 (thumb_override_options): Process PIC options.
26947 * config/arm/thumb.md (movsi): Support PIC.
26948 (call_insn): Change "i" constraint to "X".
26949 (call_value_insn): Likewise.
26950 (consttable_4, consttable_8, consttable_end): Set and clear
26951 "making_const_table" as appropriate.
26952 (pic_load_addr, pic_add_dot_plus_four): New insns.
26954 * invoke.texi (Thumb Options): Fix spelling. Document new
26955 options -msingle-pic-base and -mpic-register=.
26957 1999-07-26 Andrew Haley <aph@cygnus.com>
26959 * config/m32r/initfini.c (__init): Use a full word immediate for
26960 __fini: this allows it to be placed in any memory region.
26962 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26963 -mmodel=medium. This is OK for all memory models.
26965 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26967 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26968 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26970 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26972 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26975 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26977 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26979 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26980 (BUILD_VA_LIST_TYPE): New.
26981 (EXPAND_BUILTIN_VA_START): New.
26982 (EXPAND_BUILTIN_VA_ARG): New.
26983 * i860.c (output_delayed_branch): Disable.
26984 (output_delay_insn): Likewise.
26985 (i860_saveregs): New.
26986 (i860_build_va_list): New.
26987 (i860_va_start): New.
26988 (i860_va_arg): New.
26989 * i860.md: Disable all peepholes using output_delayed_branch.
26990 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26992 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26994 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26995 (BUILD_VA_LIST_TYPE): New.
26996 (EXPAND_BUILTIN_VA_START): New.
26997 (EXPAND_BUILTIN_VA_ARG): New.
26998 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26999 Return the address of the save area.
27000 (clipper_build_va_list): New.
27001 (clipper_va_start): New.
27002 (clipper_va_arg): New.
27004 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
27006 * arc.h (EXPAND_BUILTIN_VA_START): New.
27007 (EXPAND_BUILTIN_VA_ARG): New.
27008 * arc.c (arc_setup_incoming_varargs): Set alias set of
27010 (arc_va_start): New.
27013 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
27015 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
27016 (BUILD_VA_LIST_TYPE): New.
27017 (EXPAND_BUILTIN_VA_START): New.
27018 (EXPAND_BUILTIN_VA_ARG): New.
27019 * alpha.c (alpha_builtin_saveregs): Delete.
27020 (alpha_build_va_list): New.
27021 (alpha_va_start): New.
27022 (alpha_va_arg): New.
27024 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
27026 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
27028 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
27029 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
27031 * gcc.texi: More changes related to list conversion.
27032 * invoke.texi: Likewise.
27034 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
27036 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
27037 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
27038 (expand_builtin_next_arg): Accept ARGLIST not EXP.
27039 (stabilize_va_list): New function.
27040 (std_expand_builtin_va_start): New function.
27041 (expand_builtin_va_start): New function.
27042 (get_varargs_alias_set): New function.
27043 (std_expand_builtin_va_arg): New function.
27044 (expand_builtin_va_arg): New function.
27045 (expand_builtin_va_end): New function.
27046 (expand_builtin_va_copy): New function.
27047 (expand_builtin): Call them.
27048 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
27049 __builtin_{varargs_start,stdarg_start,end,copy}.
27050 (build_va_arg): New function.
27051 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
27052 (build_va_arg): Declare.
27053 * c-decl.c (ptr_type_node, va_list_type_node): New.
27054 * c-parse.gperf (__builtin_va_arg): New.
27055 * c-parse.in (VA_ARG): New token.
27056 (unary_expr): Recognize it.
27057 * expr.c (expand_expr): Expand VA_ARG_EXPR.
27058 * expr.h (std_expand_builtin_va_start): Declare.
27059 (std_expand_builtin_va_arg): Declare.
27060 (expand_builtin_va_arg): Declare.
27061 (get_varargs_alias_set): Declare.
27062 * tree.def (VA_ARG_EXPR): New.
27063 * tree.h (BUILT_IN_VARARGS_START): New.
27064 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
27065 (ptr_type_node, va_list_type_node): Declare.
27066 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
27067 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
27068 * m88k.h, m88k.c: Likewise.
27069 * mn10300.h, mn10300.c: Likewise.
27070 * pa.h, pa.c: Likewise.
27071 * rs6000.h, rs6000.c: Likewise.
27072 * sh.h, sh.c: Likewise.
27073 * sparc.h, sparc.c: Likewise.
27075 * emit-rtl.c (operand_subword): Copy alias set.
27076 (change_address): Likewise.
27078 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
27080 * pa.c (compute_frame_size): Scan all the used callee saved registers,
27081 not just the first one.
27083 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
27085 * config/arm/arm.h (TARGET_SWITCHES): Add
27086 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
27087 (TARGET_OPTIONS): Add -mpic-register=.
27088 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
27089 (arm_pic_register_string): Declare.
27090 (NEED_PLT_GOT): Delete, replace with ...
27091 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
27092 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
27093 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
27094 * config/arm/arm.c (arm_override_options): Add new option
27096 (arm_pic_register_string): New variable.
27097 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
27098 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
27099 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
27100 (output_return_instruction): Likewise.
27101 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
27102 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
27103 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
27105 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
27106 mention of -msched-prolog. Document new options -msingle-pic-base
27107 and -mpic-register=.
27109 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
27111 * haifa-sched.c (reemit_notes): Tidy.
27112 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
27115 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
27117 * explow.c (trunc_int_for_mode): New function.
27118 (plus_constant_wide): Use it.
27119 * combine.c (simplify_and_const_int): Likewise.
27120 (merge_outer_ops): Likewise.
27121 (simplify_shift_const): Likewise.
27122 * cse.c (simplify_unary_operation): Likewise.
27123 (simplify_binary_operation): Likewise.
27124 * emit-rtl.c (operand_subword): Likewise.
27125 * rtl.h: Declare it.
27127 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27129 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
27130 (use NUM_REGS instead of NUM_INTS).
27132 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27134 * builtins.c: New file.
27135 * expr.c (saveregs_value, apply_args_value): Delete definition,
27136 moved into builtins.c.
27137 (string_constant): No longer static.
27138 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
27139 apply_args_size, apply_result_size, result_vector,
27140 expand_builtin_apply_args, expand_builtin_apply,
27141 expand_builtin_return): Delete functions, moved into builtins.c.
27142 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
27143 * expr.h (saveregs_value, apply_args_value): Declare variables.
27144 (expand_builtin, string_constant): Declare functions.
27145 * Makefile.in: Update to build builtin.o.
27147 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
27149 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
27150 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
27151 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
27152 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
27154 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
27157 1999-07-21 Michael Meissner <meissner@cygnus.com>
27159 * print-rtl.c (print_rtx): Print the names of the virtual
27162 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
27164 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
27165 introduced in previous delta.
27167 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27169 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
27170 to avoid name clash.
27172 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
27174 * c-lex.c (yylex) : Correct the test for overflow when lexing
27177 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
27179 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
27180 (adjust_priority): Always call ADJUST_PRIORITY.
27181 (schedule_insn): Only put insns into the ready at cost 0.
27182 (schedule_block): Remove redundant initial sort. Give clock_var
27183 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
27185 * tm.texi (MD_SCHED_REORDER): Update docs.
27187 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
27188 * sparc.c (ultra_reorder_called_this_block): Delete.
27189 (ultrasparc_sched_init): Don't set it.
27190 (ultrasparc_sched_reorder): Don't check it.
27192 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
27194 * rs6000.h (struct rs6000_args): Add sysv_gregno.
27195 * rs6000.c (init_cumulative_args): Init sysv_gregno.
27196 (function_arg_boundary): Align DFmode.
27197 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
27198 to get fp reg and stack overflow correct.
27199 (function_arg): Likewise.
27200 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
27201 (setup_incoming_varargs): Restructure for ABI_V4; use
27202 function_arg_advance to skip final named argument.
27203 (expand_builtin_saveregs): Properly unskip the last integer arg
27204 when doing varargs. Adjust overflow location calculation.
27206 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
27207 explicitly unsigned.
27208 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
27209 (__VA_GP_REGSAVE): Similarly.
27210 (__va_longlong_p): Delete.
27211 (__va_arg_type_violation): New declaration.
27212 (va_arg): Restructure. Flag promotion errors. Align double.
27213 TFmode passed by reference.
27215 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
27216 in the HOST_BITS_PER_WIDE_INT > 32 case.
27218 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
27220 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
27222 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
27224 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
27225 * toplev.c (documented_lang_options): Add -fpreprocessed.
27226 * cpplib.h (struct cpp_buffer): Add preprocessed.
27227 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
27228 (cpp_start_read): Don't expand macros or emit an initial #line
27229 directive if -fpreprocessed.
27231 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
27233 * cpplib.h (struct cpp_buffer): Added manual_pop for
27234 better C++ tokenization.
27235 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
27236 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
27237 * c-common.c (cpp_token): Make non-static.
27239 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27241 * c-common.h: New file.
27242 * c-common.c (permanent_obstack): Delete unused declaration.
27243 (c_global_trees): New array.
27244 (c_common_nodes_and_builtins): New function; split off common code
27245 from init_decl_processing in both c-decl.c and cp/decl.c.
27246 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
27247 c_global_trees and accessor macros defined in c-common.h.
27248 Include c-common.h.
27249 * c-decl.c: Delete definitions for tree nodes that were replaced by
27251 (init_decl_processing): Build void_list_node.
27252 Call c_common_nodes_and_builtins; delete code to generate the common
27254 * objc/objc-act.c (build_module_descriptor): Rename variable
27255 void_list_node to avoid clash with c-common.h.
27257 * Makefile.in: Update dependencies.
27258 * objc/Make-lang.in: Likewise.
27260 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
27262 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
27263 (UNIQUE_SECTION_P): Likewise.
27264 (UNIQUE_SECTION): Likewise.
27266 1999-07-19 Linas Vepstas <linas@linas.org>
27268 * config/i370/README: New file.
27269 * config/i370/linux.h: New file.
27270 * config/i370/mvs.h: New file.
27271 * config/i370/oe.h: New file.
27272 * config/i370/t-linux: New file.
27273 * config/i370/t-mvs: New file.
27274 * config/i370/t-oe: New file.
27275 * config/i370/x-oe: New file.
27276 * config/i370/xm-linux.h: New file.
27277 * config/i370/xm-mvs.h: New file.
27278 * config/i370/xm-oe.h: New file.
27280 * i370.c (label_node_t): Add first_ref_page, label_addr,
27281 label_first_ref, label_last_ref members.
27282 (mvs_need_base_reload): Renamed from mvs_label_emitted.
27283 (MAX_MVS_LABEL_SIZE): Define.
27284 (MAX_LONG_LABEL_SIZE): Define.
27285 (alias_node_t, alias_anchor, alias_number): New.
27286 (mvs_function_table): Reorder for EBCDIC.
27287 (ascebc, ebcasc): Unconditionally define.
27288 (i370_branch_dest, i370_branch_length): New functions.
27289 (i370_short_branch, i370_label_scan): New functions.
27290 (mvs_get_label): Renamed from mvs_add_label. Search for
27291 an existing label before creating a new one.
27292 (mvs_add_label): New function.
27293 (mvs_get_label_page): New function.
27294 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
27295 over the entire list.
27296 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
27297 (mvs_check_page) [TARGET_ELF_ABI]: New function.
27298 (mvs_add_alias, mvs_need_alias): New functions.
27299 (mvs_get_alias, mvs_check_alias): New functions.
27300 (handle_pragma): New function.
27301 (mvs_function_check): New function.
27302 (unsigned_jump_follows_p): Search harder.
27303 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
27304 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
27305 * i370.h (TARGET_VERSION): Delete.
27306 (CPP_SPEC, CPP_PREDEFINES): Delete.
27307 (mvs_label_emitted): Delete.
27308 (TARGET_EBCDIC): Delete.
27309 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
27310 (HANDLE_PRAGMA): Define.
27311 (HARD_REGNO_NREGS): Handle complex modes.
27312 (HARD_REGNO_MODE_OK): Likewise.
27313 (CLASS_MAX_NREGS): Likewise.
27314 (RET_REG): Likewise.
27315 (EXTRA_CONSTRAINT): Define.
27316 (RETURN_IN_MEMORY): True for DImode.
27317 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
27318 (FUNCTION_PROFILER): Delete.
27319 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
27320 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
27321 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
27322 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
27323 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
27324 (ASM_FILE_START): Add "RMODE ANY".
27325 (ASM_OUTPUT_EXTERNAL): Check for aliases.
27326 (ASM_GLOBALIZE_LABEL): Likewise.
27327 (ASM_OUTPUT_LABELREF): Likewise.
27328 (ASM_OUTPUT_COMMON): Likewise.
27329 (PRINT_OPERAND): Handle 'K', 'W', default.
27330 (PRINT_OPERAND_ADDRESS): New.
27331 (Lots of defines): Add support for TARGET_ELF_ABI.
27332 * i370.md (attr length): New. Define for all patterns.
27333 (*): Lots of tweeks to assembly output and constraints.
27335 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
27337 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
27338 Disable patterns performing SImode comparisons with SImode values
27339 if TARGET_POWERPC64 and instruction does not sign-extend or does
27340 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
27341 differ for signed quantities.
27342 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
27343 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
27344 (decrement_and_branch_on_count): Add 64-bit variant.
27346 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27348 * final.c (output_asm_insn): When searching for the matching string
27349 for a given dialect, don't run past the end of the list of
27350 alternatives if there are fewer alternatives in the template than
27353 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
27355 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
27356 Removed paragraph about compression of files and size limitation,
27357 duplicated in the FAQ. Use gcc-patches for posting patches.
27358 * gcc.c (main): Updated URL with bug reporting instructions to
27359 gcc.gnu.org. Removed e-mail address.
27360 * system.h (abort): Likewise.
27362 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27364 * Makefile.in (stmp-multilib-sub): Make the files extracted
27365 from $(LIBGCC1) writable.
27367 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
27369 * config/arm/aout.h: Reformat for improved readability.
27371 * config/arm/arm.h: Reformat for improved readability.
27372 Replace uses of fprintf with asm_fprintf where appropriate.
27373 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
27374 function declaration assembler actions.
27375 (NUM_INTS): New macro: Convert from bytes to words.
27376 (NUM_REGS): New macro: Compute number of registers required to
27377 hold a quanitity of tyep MODE.
27378 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
27380 (NUM_ARG_REGS): New macro: The number of argument registers
27382 (ARG_REGISTER): New macro: Compute the register number of the Nth
27384 (LAST_ARG_REGNUM): New macro: The number of the last argument
27386 (SP_REGNUM): New macro: Register number of the stack pointer.
27387 (FP_REGNUM): New macro: Register number of the frame pointer.
27388 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
27389 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
27390 CUMULATIVE_ARGS so that it counts registers not bytes.
27392 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
27394 Replace uses of fprintf with asm_fprintf where appropriate.
27395 (output_ascii_pseudo_op): Replace with version from thumb.c
27397 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
27399 * config/arm/elf.h (CPP_PREDEFINES): Replace with
27400 SUBTARGET_CPP_SPEC.
27401 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
27402 (ASM_FILE_START): Emit ASM_APP_OFF.
27404 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
27406 * pa.c (compute_frame_size): Round frame according to
27407 STACK_BOUNDARY rather than a hardwired value.
27409 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
27411 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
27413 * configure: Rebuilt.
27415 * configure.in (hppa*-*-linux*): New configuration.
27416 * configure: Rebuilt.
27417 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
27418 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
27419 * pa/pa-linux.h: New file.
27420 * pa/t-linux: New file.
27421 * pa/xm-linux.h: New file.
27423 * pa.c (hppa_legitimize_address): Change references from SImode to
27424 either Pmode or word_mode as appropriate.
27425 (emit_move_sequence, store_reg, load_reg): Likewise.
27426 (set_reg_plus_d, hppa_expand_prologue): Likewise.
27427 (output_mul_insn): Likewise.
27428 * pa.h (PROMOTE_MODE): Likewise.
27429 (INITIALZE_TRAMPOLINE): Likewise.
27430 (Pmode): Define to word_mode.
27432 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
27433 value of 4. Allocate 8 bytes for each FP register save.
27434 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
27436 (hppa_expand_prologue): Likewise.
27437 * pa.h (PROMOTE_MODE): Likewise.
27438 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
27439 (FUNCTION_ARG_BOUNDARY): Likewise.
27441 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
27443 * pa.c (out_of_line_prologue_epilogue): Delete.
27444 (override_options): Remove -mspace related code.
27445 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
27446 (compute_frame_size): Only allocate space for register that
27447 actually need to be saved.
27448 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
27449 (TARGET_SWITCHES): Remove -mspace, -mno-space
27450 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
27451 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
27452 * pa/ee.asm, pa/ee_fp.asm: Delete.
27454 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
27456 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
27457 directive in column zero.
27459 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
27461 * m68k.c (output_function_prologue): Fix computation of save mask
27462 when generating PIC code.
27464 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
27466 * tree.c (build_type_attribute_variant): Move current_obstack restore
27467 after build_qualified_type call.
27469 1999-07-15 Mark Mitchell <mark@codesourcery.com>
27471 * configure.in: Use t-iris6, even with GNU LD.
27472 * config/mips/iris6gld.h: Fix typo in linker spec.
27473 * config/mips/t-iris6gld: Remove.
27475 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
27477 * rs6000.md (insv, extzv): Remove SImode dependence in named
27478 patterns. Explicitly generate DImode RTL if PowerPC64 and
27480 (insvdi): Reverse start and size in instruction template.
27482 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
27484 * invoke.texi: Typo fixes.
27486 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
27488 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
27489 handle at this time instead of silently generating incorrect code.
27490 (gen_imagpart): Likewise.
27492 * reload.c (find_reloads): Emit a USE for a pseudo register without
27493 a hard register if we could not create an optional reload for the
27496 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27498 * c-typeck.c (output_init_element, process_init_element):
27499 When advancing constructor_unfilled_fields for a RECORD_TYPE,
27500 check for nameless bit fields.
27502 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
27504 * regclass.c (scan_one_insn): Notice subregs that change the
27505 size of their operand.
27506 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
27508 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
27510 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27511 * configure: Rebuilt.
27512 * alpha/t-ieee: New file.
27514 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27516 * rs6000.c (find_addr_reg): Do not select r0 as an address
27519 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27521 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27523 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27525 * rs6000.md (movsf): Do not force easy FP constants into memory.
27527 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27528 immed_double_const to ensure they are properly truncated then
27531 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27533 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27534 always unless NO_DEBUG is used. Compile this code
27536 (replace_symbols_in_block): Compile it unconditionally.
27538 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27540 * configure.in (i?86-*-elf*): New target.
27541 * configure: Rebuilt.
27542 * i386/i386elf.h, i386/t-i386elf: New files.
27544 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27546 * toplev.c (main): Don't complain about saying -gdwarf.
27547 (rest_of_compilation): Remove redundant code.
27549 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27551 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27553 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27555 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27556 "Li960R:", to avoid name clash.
27558 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27560 * loop.c (check_dbra_loop): When reversing a loop, delete all
27561 REG_EQUAL notes referencing the reversed biv except those which are
27562 for a giv based on it.
27564 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27566 * version.c: Drop "gcc-" prefix from version #.
27568 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27570 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27571 the label if we're being verbose.
27573 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27575 * m68k.c (output_function_prologue): Add pic register to mask
27576 if live and flag_pic.
27577 (output_function_epilogue): Likewise.
27579 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27581 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27582 directives in column zero.
27584 * pa/elf.h (ASM_FILE_START): Define.
27585 * pa/som.h (ASM_FILE_START): Include .level directives.
27586 * pa/hpux10.h (ASM_FILE_START): Delete.
27587 * pa/hpux11.h (ASM_FILE_START): Delete.
27589 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27591 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27593 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27594 when reload_out equals reload_in.
27596 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27598 * invoke.texi (Spec Files): New node: Describe the contents of
27601 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27603 * invoke.texi (DEC Alpha Options): Put @end table at
27604 beginning of line, to avoid confusing texi2html.
27606 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27608 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27609 introduced in previous delta.
27611 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27613 * reload1.c (gen_reload): When synthesizing a 3 operand add
27614 sequence, improve test for when to reload OP1 into the reload
27615 register instead of OP0.
27617 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27619 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27621 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27623 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27626 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27628 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27629 (va_dcl): Use __builtin_va_alist_t.
27631 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27633 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27634 on the permanent_obstack.
27635 * dwarfout.c (output_type): Likewise.
27637 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27639 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27640 Merged from c-typeck.c and cp/typeck.c.
27641 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27642 Merged into c-common.
27644 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27646 * c-lex.c (errorcount): Declare it.
27647 (finish_parse): Update errorcount when using CPPLIB.
27649 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27651 * fixinc/inclhack.def(end_else_label): Double the backslash so
27652 sed gets a chance to see it.
27653 * fixinc/inclhack.sh: regen
27654 * fixinc/fixincl.x: regen
27656 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27658 Add framework to support armv5 architecture when it becomes
27661 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27662 (arm_arch5): New variable.
27663 (all_architectures): Add armv5 line.
27664 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27665 -march=armv5 is specified on the command line.
27666 (arm_arch5): Export this variable.
27667 * invoke.texi: Document new string accepted by -march= switch for
27670 * config/arm/arm.h: Replace use of constant 12 as a register
27671 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27672 * config/arm/arm.c: Replace use of constant 12 as a register
27673 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27675 * config/arm/elf.h: Tidy up.
27676 * config/arm/coff.h: Tidy up.
27678 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27680 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27681 * gcc/config/mips/t-iris6gld: New file.
27682 * gcc/config/mips/iris6gld.h: Likewise.
27684 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27686 * c-decl.c (widest_integer_literal_type_node,
27687 widest_unsigned_literal_type) : New.
27688 (init_decl_processing): Handle/use the two new types.
27689 * c-common.c (type_for_size,type_for_mode) : Same.
27690 * c-lex.c (yylex) : Same.
27691 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27693 * c-tree.h (widest_integer_literal_type_node,
27694 widest_unsigned_literal_type) : New.
27696 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27698 * dwarfout.c (field_byte_offset): Correctly compute the object's
27699 byte offset for the first bit of a field which crosses an alignment
27700 boundary on a !BYTES_BIG_ENDIAN target.
27702 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27704 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27707 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27708 Jeff Law <law@cygnus.com>
27710 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27713 * except.c: Include intl.h.
27714 (expand_eh_return): Set current_function_cannot_inline.
27715 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27716 * function.h (struct function): Add eh_return_stub_label.
27717 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27718 * Makefile.in (except.o): Depend on intl.h.
27720 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27722 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27723 same as offsettable in cases 1 and 2.
27725 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27727 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27728 (extlh, extwh): Likewise.
27730 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27732 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27734 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27736 * configure.in: Add arm-pe and thumb-pe targets.
27737 * configure: Regenerate.
27739 * thumb.c (arm_naked_function_p): New function: Determines if
27740 a function is naked (has no gcc generated prologue/epilogue).
27741 (is_called_in_ARM_mode): Return true if the func has the
27742 interfacearm attribute.
27743 (output_return): Do not generate a return for naked functions.
27744 (thumb_function_prologue): Do not generate a prologue for
27746 (thumb_expand_prologue): Do not generate a prologue for naked
27748 (thumb_expand_epilogue): Do not generate an epilogue for naked
27750 (arm_valid_machine_decl_attribute): New function, copied from
27751 arm.c: Permit naked and interfacearm attributes.
27753 * config/arm/pe.c: New file: Support code for arm-pe target.
27754 * config/arm/pe.h: New file: Header file for arm-pe target.
27755 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27756 * config/arm/t-thumb-pe: New file: Makefile fragment for
27759 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27761 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27762 -fPIC or -fpic is specified.
27764 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27766 * expr.c (emit_block_move): Use copy_to_mode_reg for
27767 !TARGET_MEM_FUNCTIONS case too.
27769 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27771 * configure: Rebuilt.
27772 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27773 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27774 definitions made redundant by dbxelf.h inclusion. Delete
27775 lots of definitions related to assembly output that are
27776 specific to the SOM object format.
27777 * pa.c (output_function_prologue): Do not emit the function's
27779 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27780 * pa-pro.h: Deleted.
27781 * som.h: New file with SOM specific definitions.
27782 * elf.h: New file with ELF specific definitions.
27784 * elfos.h (const_section): Output a tab before assembler directives.
27785 (ctors_section, dtors_section): Likewise.
27786 (ASM_OUTPUT_SECTION_NAME): Likewise.
27788 * pa/pa1.h: Delete unused file.
27790 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27792 * configure.in (hppa*-hp-hpux11*): New configuration.
27793 * configure: Rebuilt.
27794 * pa/pa-hpux11.h: New file.
27795 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27798 * mips.md (leasi, leadi): New patterns.
27800 * expr.c (emit_block_move): Properly handle case where one of the
27801 block move arguments has a queued increment or decrement.
27802 (clear_storage): Similarly. Fix formatting goof.
27804 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27806 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27807 semicolon from the BSD VA_LIST replacement expression.
27809 * fixinc/inclhack.sh: regen
27810 * fixinc/fixincl.x: regen
27812 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27813 now use the fixincl program.
27815 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27817 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27818 case. Also make the PIC register call_used.
27820 * m68k.h (FINALIZE_PIC): Delete.
27821 * m68k.c (finalize_pic): Delete.
27823 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27825 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27828 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27830 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27832 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27834 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27836 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27838 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27840 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27842 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27844 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27846 * rs6000.c (output_toc): Always use hex values for floating-point
27847 constants. Store single-precision values in upper-half of TOC
27848 entry in 64-bit mode.
27849 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27850 to final constraints.
27851 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27852 (fctiwz): Improve accuracy of RTL for pattern.
27854 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27856 * expr.c (expand_expr): Allow RTL_EXPR's through the
27857 MAX_INTEGER_COMPUTATION_MODE checks.
27859 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27861 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27862 such that MASK_SUPPORT_ARCH is not negative.
27864 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27866 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27867 ADDR_DIFF_VEC insns that appear inside loops.
27869 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27870 Jeff Law <law@cygnus.com>
27872 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27873 Handle LO_SUM the same as offsettable in cases 1 and 2.
27874 * rs6000.c (find_addr_reg): Revert previous patch.
27876 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27878 * system.h (strstr): New external function declaration.
27879 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27880 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27881 * config.in, configure: Rebuilt.
27883 1999-06-24 Tom Tromey <tromey@cygnus.com>
27885 * gcc.c (main): Read user-specified specs files after computing
27886 additional startfile_prefixes.
27888 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27890 Revert these two patches:
27892 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27893 * loop.c (strength_reduce): When doing biv->giv conversion, update
27894 reg note of NEXT->insn.
27896 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27897 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27899 (recombine_givs): Set ix field after sorting.
27901 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27903 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27904 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27906 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27908 *fixinc/inclhack.def: Add fix development commentary
27909 (read_ret_type): reactivate and add selection clause
27910 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27911 *fixinc/{fixincl.x|inclhack.sh}: regen
27913 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27915 * expr.c (expand_expr): STRIP_NOPS before checking against
27916 MAX_INTEGER_COMPUTATION_MODE
27917 (check_max_integer_computation_mode): Likewise.
27919 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27921 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27923 1999-06-22 Jim Wilson <wilson@cygnus.com>
27925 * expr.c (store_expr): When target is a promoted subreg, return a
27926 promoted subreg as a result.
27928 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27930 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27932 (dwarf2out_define): Mark unused parameters appropriately.
27933 (gen_unspecified_parameters_die): Ditto.
27934 (gen_subprogram_die): Fix signed/unsigned warnings.
27935 (gen_variable_die): Ditto.
27937 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27939 * fixinc/inclhack.def(end_else_label): combined else_label
27940 and endif_label and fixed the sed expression.
27941 *fixinc/{fixincl.x|inclhack.sh}: regen
27943 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27945 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27946 'x' when handling non-offsettable addresses
27948 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27950 * final.c (shorten_branches): Don't try to split an insn that has
27953 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27955 * config/mips/mips.c (symbolic_expression_p): New function.
27956 (mips_select_rtx_section): Put symbolic expressions in the
27957 data section, not the read-only data section.
27959 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27961 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27963 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27965 * collect2.c (main): Log frame table count.
27966 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27967 (scan_prog_file) [COFF]: Handle frame tables.
27969 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27970 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27971 * alpha/elf.h: Undef them again.
27972 * alpha/vms.h: Remove their definitions.
27974 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27976 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27977 remove the clobber of r0 and change the REG_UNUSED note to
27980 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27982 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27983 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27984 fits in HOST_WIDE_INT and one uses union to access a long constant
27987 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27989 * sparc.c (sparc_override_options): Don't allow profiling for
27990 code models other than medlow.
27991 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27992 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27993 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27994 (sparc_block_profiler): Likewise.
27995 (sparc_function_block_profiler_exit): Likewise.
27996 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27997 (FUNCTION_BLOCK_PROFILER): Likewise.
27998 (BLOCK_PROFILER): Likewise.
27999 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
28000 (MCOUNT_FUNCTION): New.
28001 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
28002 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
28003 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
28004 (MCOUNT_FUNCTION): New.
28005 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
28006 (BLOCK_PROFILER): Delete.
28007 (MCOUNT_FUNCTION): New.
28009 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
28011 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
28013 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
28015 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28018 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28021 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28024 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28027 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
28029 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
28032 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
28034 * i386/djgpp.h (LIB_SPEC): New.
28035 (STARTFILE_SPEC): New.
28037 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
28039 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
28041 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
28044 * system.h (WSTOPSIG): New macro.
28046 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
28048 * c-pragma.c (push_alignment): Don't ignore alignments greater than
28050 (insert_pack_attributes): Take into account member natural
28053 * i386/winnt.c (exports_head): New static variable.
28054 (i386_pe_record_exported_symbol): New function.
28055 (i386_pe_asm_file_end): Use.
28056 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
28057 symbols to be emitted at end of assembly.
28058 (ASM_DECLARE_OBJECT_NAME): Likewise.
28059 (ASM_DECLARE_FUNCTION_NAME): Likewise.
28061 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
28064 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
28066 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
28069 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
28071 * haifa-sched.c (sched_analyze_1): Use free_list instead of
28072 zapping reg_last_uses directly.
28073 (sched_analyze_2, sched_analyze_insn): Likewise.
28074 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
28076 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
28078 * rs6000.md (movdf_hardfloat32): Use worst case insn length
28079 attributes for cases 1 and 2.
28081 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
28083 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
28086 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
28088 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
28090 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
28092 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
28093 PIC_OFFSET_TABLE_REGNUM for general alloaction.
28094 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
28095 must be stacked if it is used for PIC accesses.
28096 * arm.c (use_return_insn): Handle PIC register specially.
28097 (output_return_instruction): Likewise.
28098 (output_func_{prologue,epilogue}): Likewise.
28099 (output_expand_prologue): Likewise.
28101 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
28102 (*strsi_predec): Renamed from *strqi_predec.
28103 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
28104 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
28106 * arm.c (arm_override_options): Remove warning about PIC code
28107 not being supported.
28109 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
28111 * rs6000.c (find_addr_reg): New function.
28112 * rs6000.h (find_addr_reg): Declare.
28113 (offsettable_addr_operand): Delete.
28114 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
28115 from and stores to GPRs.
28117 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
28119 * alpha.c (alpha_expand_block_move): Use get_insns rather than
28120 gen_sequence as argument to emit_no_conflict_block.
28122 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28124 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
28125 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
28126 *fixinc/fixincl.x: regen
28127 *fixinc/inclhack.sh: regen
28129 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
28131 * added support for -mpcrel (PC relative addressing for m68k)
28132 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
28133 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
28134 * m68k.c (print_operand_address): Handle 32-bit PIC case.
28135 (comments for general_src_operand): Add some explanation
28136 about EXTRA_CONSTRAINTS.
28137 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
28138 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
28139 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
28140 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
28141 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
28142 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
28143 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
28144 if not already set.
28145 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
28146 * m68k.h (TARGET_PCREL): New target flag.
28147 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
28148 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
28149 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
28150 contains a SYMBOL_REF. Relax this constraint during reload, since
28151 we want to use the predicates, not reload's built-in concept of a
28152 valid memory address, to control what insns need reloading.
28153 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
28154 operands (essentially 'g', 'm', and 's' under normal circumstances).
28155 * m68k.c (print_operand): Cause printing of pc-relative addresses
28156 to include pc register.
28157 (print_operand_address): Ditto.
28158 (general_src_operand): Accept operands that are not only
28159 general_operands, but are also valid when used as a pc-relative
28161 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
28162 (memory_src_operand): Similar, for memory_operands.
28163 (pcrel_address): New predicate to accept the special case of a
28164 pc-relative address.
28165 * m68k.md (many patterns): Rewrite common SImode, HImode, and
28166 QImode insns to accept *_src_operand instead of *_operand where
28167 pc-relative operands can fit. For example, a pc-relative operand
28168 can be used as a memory source operand for addsi3, but not as a
28169 memory destination.
28170 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
28172 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
28174 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
28175 .thumb_set pseudo op to mark aliases of thumb functions.
28177 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
28179 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
28180 preference to ASM_OUTPUT_DEF, if it is defined.
28182 * tm.texi: Document new, optional target macro
28183 ASM_OUTPUT_DEF_FROM_DECLS.
28185 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28187 * fixincludes: ISCNTL patch
28188 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
28189 (dgux_int_varargs): new for DG/UX
28190 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
28192 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
28194 * invoke.texi (ia32 options): Fix typo.
28196 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28198 * loop.c (strength_reduce): When doing biv->giv conversion, update
28199 reg note of NEXT->insn.
28201 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
28203 * loop.c (move_movables): Note issues with replacing REGs with
28205 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
28207 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
28209 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
28211 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
28212 the reference to `mcount' was not correct for the ELF on FreeBSD.
28214 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28216 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28219 (recombine_givs): Set ix field after sorting.
28221 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
28223 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
28224 to safe to extract a subword out of a REG.
28226 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28228 * sh.md (mulsi3): Don't add a no-op move at the end.
28230 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28232 * cse.c (cse_insn): Don't put hard register source into tables for
28233 the last insn of a libcall.
28235 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28237 * loop.c (strength_reduce): Insert sets of derived givs at every
28238 biv increment, even if it's the only one.
28240 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
28242 * dwarfout.c (add_incomplete_type): New fn.
28243 (output_type): Call it.
28244 (retry_incomplete_types): New fn.
28245 (dwarfout_finish): Call it.
28247 From Eric Raskin <ehr@listworks.com>:
28248 (output_type): Output types for bases.
28250 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
28252 * mips.c (mips_output_conditional_branch): Add `break'
28253 between `default' label and `close braces'.
28255 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
28257 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
28258 specifications and make it realistic.
28259 (LIB_SPEC): Likewise.
28261 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
28263 * config/mips/mips.c (mips_secondary_reload_class): Check for
28264 (PLUS (SP) (REG)) and return appropriate register class.
28265 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
28266 Handle (PLUS (SP) (REG)).
28267 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
28268 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
28269 of emit_insn for tablejump.
28271 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
28273 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
28274 asm_fprintf format string by itself.
28275 (output_function_profiler): Likewise.
28277 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
28279 * combine.c (simplify_logical, case AND): Only call
28280 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
28281 or the constant is positive.
28283 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
28285 * configure.in: Fix typo in rs6000-ibm-aix4 case.
28286 * configure: Regenerate.
28288 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
28290 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
28291 require a sub-version #.
28292 * configure: Rebuilt.
28294 1999-06-14 Robert Lipe (robertlipe@usa.net)
28296 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
28298 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
28300 * c-typeck.c (process_init_element): Detect excess elements in
28301 char array initializer.
28303 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
28305 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
28307 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28309 * invoke.texi (Option Summary): Add -fpermissive flag.
28311 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
28313 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
28314 that require PIC code sequences.
28316 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
28318 * configure.in: Add new target: thumb-elf.
28319 * configure: Regenerate.
28320 * config/arm/t-thumb-elf: New file: Makefile fragment for
28322 * config/arm/telf.h: New file: Header file for thumb-elf
28325 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
28327 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
28328 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
28329 initializers is some circumstances.
28331 * fixinc/inclhack.def (endif_label): Add additional selector for
28332 more bogus stuff after #endif statements.
28333 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
28335 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
28337 * i386/cygwin.h (SET_ASM_OP): Define.
28339 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
28341 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
28343 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28345 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
28348 * sh.md (ic_invalidate_line_i): Remove second alternative.
28350 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28352 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
28353 test for the presence of valid prototypes. Delete bypass expr.
28354 (ioctl_fix_ctrl): Correct the selection expression.
28355 (no_double_slash): Correct quoting rules
28356 *fixinc/fixincl.x: regen
28357 *fixinc/inclhack.sh: regen
28359 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
28361 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
28363 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28365 * rs6000.md (movsi_got_internal_mem): Delete.
28366 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
28367 (GOT_TOC_REGNUM): Delete.
28368 (PIC_OFFSET_TABLE_REGNUM): Define.
28369 (FINALIZE_PIC): Disable.
28370 * rs6000.c (rs6000_got_register): New code for fixed pic register.
28371 (rs6000_replace_regno): Delete.
28372 (rs6000_finalize_pic): Likewise.
28373 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
28375 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28377 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
28378 is a note; use <= for the compare; advance P while it is
28381 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
28383 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
28384 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
28386 * varasm.c (remove_from_pending_weak_list): Verify t->name
28387 is non-NULL before passing it to strcmp.
28389 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28391 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
28392 the typed arguments are not part of a comment
28393 (ioctl_fix_ctrl): Added a purpose comment
28394 *fixinc/fixincl.x: regenerate
28395 *fixinc/inclhack.sh: regenerate
28397 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28399 * invoke.texi: Add C4x invocation docs.
28401 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28403 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
28405 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
28407 (c4x_legitimize_reload_address): New function.
28408 * config/c4x/c4x.md: Update docs.
28410 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
28412 * fixincludes: Avoid removing '.'.
28413 * fixinc/fixinc.svr4: Likewise.
28414 * fixinc/fixinc.winnt: Likewise.
28415 * fixinc/inclhack.tpl: Likewise.
28416 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
28418 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28420 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
28422 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
28424 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
28426 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
28429 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
28431 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
28432 * configure: Regenerate.
28434 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
28436 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
28439 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
28441 * fixinc/inclhack.def (avoid_bool): Also catch
28442 "typedef [unsigned] int bool".
28443 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28445 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
28446 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
28447 * configure: Rebuilt.
28449 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
28451 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
28452 such that we can override its definitions if necessary.
28453 (CPP_SPEC): New define. Support processor specific predefines via
28455 (CC1_SPEC): New define. Support processor specific compiler
28456 options via %(cc1_cpu).
28457 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
28460 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28462 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
28463 between sed's -e flag, and the open-quote following it.
28464 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28466 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
28467 Jeffrey A Law (law@cygnus.com)
28469 * varasm.c (assemble_start_function): Remove the function
28470 from the pending weak decls list when we define a function.
28471 (assemble_variable): Similarly for variables.
28472 (weak_finish): Ignore items on the list with a NULL name.
28473 (remove_from_ending_weak_list); New function to "remove" an item
28474 from the pending weak declarations list.
28476 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28478 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
28480 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
28482 * c-lex.c (GETC): Redefine to call getch.
28483 (UNGETC): Redefine to call put_back.
28484 (putback_buffer): New structure type.
28485 (putback): New static structure.
28486 (getch): New function.
28487 (put_back): New function.
28488 (yylex): Replace unused bytes from bad multibyte character.
28490 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
28492 * cpplib.c (do_define): Cast `alloca' return value.
28493 (do_include, do_undef, do_pragma): Likewise.
28494 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
28496 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
28497 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
28499 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
28501 * sparc.md (abstf2): This should be an expand.
28502 (split after abstf2_notv9): Fix mode.
28503 (abstf2_hq_v9): New pattern.
28504 (abstf2_v9): Only use when no hard quad.
28505 (absdf2_v9): Fix if target is not the same as source.
28506 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
28507 Add correct output constraints.
28509 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28511 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28512 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28514 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28516 * mips.h (mips_output_conditional_branch): New function.
28517 (mips_adjust_insn_length): Likewise.
28518 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28519 (ADJUST_INSN_LENGTH): Likewise.
28520 * mips.c (print_operand): Add `F' and `W' for floating-point
28521 comparison opcodes.
28522 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28524 (mips_adjust_insn_length): New function.
28525 (mips_output_conditional_branch): New function.
28526 * mips.md (length): Adjust attribute definition to handle
28527 conditional branches. Change lengths to bytes, rather than
28528 instructions throughout. Remove length attribute from
28529 instructions whose length is four bytes, and rely on the default
28531 (dslot): Fix typo in comment.
28532 Reword conditional branch patterns to use
28533 mips_output_conditional_branch.
28535 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28537 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28538 (LIB_SPEC): Likewise.
28539 Link with -lprof1_r for -g/-pg.
28541 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28543 * loop.c (check_dbra_loop): Fix change of Jan 19.
28545 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28547 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28548 (STARTFILE_SPEC): Define, override the svr4.h version.
28549 (ENDFILE_SPEC): Likewise.
28551 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28553 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28554 * fixinc/fixincl.x: Regenerated.
28555 * fixinc/inclhack.sh: Regenerated.
28557 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28559 * sh.c (barrier_align): Don't return early for normal branch/barrier
28560 when optimizing for SH2.
28562 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28564 * i386/udk.h (LINK_SPEC): Correct linker search path for
28567 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28569 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28570 (braf_label_ref_operand): Delete.
28571 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28572 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28573 label_ref, and has no predicate.
28574 The patten has a predicate to guard against invalid substitutions.
28575 (dummy_jump): Delete.
28576 (casesi): Update use of casesi_jump_2.
28578 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28580 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28581 *fixinc/fixincl.x: regenerate
28582 *fixinc/inclhack.sh: regenerate
28584 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28586 * dwarf2out.c (add_incomplete_type): New fn.
28587 (gen_struct_or_union_type_die): Call it.
28588 (retry_incomplete_types): New fn.
28589 (dwarf2out_finish): Call it.
28591 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28593 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28594 current block starts with a CODE_LABEL and ends with a CALL and
28595 we can not find all the argument setup instructions for the CALL.
28597 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28599 Revert this change:
28600 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28601 something is a candidate for optimize_bit_field_compare.
28603 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28605 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28607 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28609 * alpha.c (override_options): Thinko in last patch.
28611 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28612 (LIB_SPEC): Recognize -pthread.
28614 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28616 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28617 definition in config/arm/coff.h
28618 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28620 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28622 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28623 fixes that need "file=xxx\n" prepended before invocation
28624 (start_fixer - new): starting the fixer process is complex enough
28625 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28626 (process): uses the new routine; omit usage of putenv()
28627 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28628 * fixinc/fixincl.x: regenerate
28630 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28632 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28633 and version #s (1.1 -> 2.96) as needed.
28634 * README.g77: Kill way out of date file in the toplevel directory.
28636 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28638 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28639 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28640 * configure: Rebuilt.
28641 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28642 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28643 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28644 (SWITCH_TAKES_ARG): Likewise.
28645 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28646 * config/t-freebsd: Moved from config/i386/ so it can used for all
28649 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28651 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28653 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28655 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28656 * configure: Rebuilt.
28658 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28660 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28661 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28662 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28663 (rs6000_output_load_toc_table): Same.
28664 (output_prolog, output_mi_thunk): Same.
28665 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28666 (ASM_GLOBALIZE_LABEL): Use putc.
28668 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28670 * alpha.md (reload_*_help): New patterns and splitters.
28671 (reload_*): Use them.
28672 (mov[qh]i): Likewise.
28674 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28676 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28679 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28681 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28683 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28685 * flow.c (mark_regs_live_at_end, insn_dead_p,
28686 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28687 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28688 hasn't run or the frame pointer is needed.
28689 * haifa-sched.c (attach_deaths): Likewise.
28690 * sched.c (attach_deaths): Likewise.
28692 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28694 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28695 calculate_can_reach_end returns nonzero.
28697 * configure.in (native gas tests): Search for an assembler in the
28698 same manner that the installed compiler will.
28699 * configure: Rebuilt.
28700 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28702 * alias.c (find_base_term): Improve handling of addresses
28703 constructed from binary operations.
28705 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28707 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28709 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28711 * function.h (cleanup_label, frame_offset): Declare.
28712 (tail_recursion_label, tail_recursion_reentry): Likewise.
28713 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28714 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28715 (tail_recursion_label, tail_recursion_reentry): Likewise.
28716 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28718 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28720 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28722 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28723 (MAX_OFILE_ALIGNMENT): Define.
28725 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28727 * fixincl.c: Replace local include scheme with #includes of
28728 gansidecl.h and system.h.
28729 * procopen.c: Likewise.
28730 * server.c: Likewise.
28732 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28734 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28735 (crti.o): Add build rule and dependencies.
28736 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28738 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28740 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28741 (LIB_LINUX_SPEC): Likewise.
28742 (LIB_LINUX_SPEC): Add support for -pthread
28743 (CPP_OS_LINUX_SPEC): Likewise.
28744 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28747 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28749 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28751 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28752 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28753 for IEEE math and CC_FCOMI.
28754 (put_jump_code): No IEEE if CC_FCOMI is set.
28756 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28758 * fold-const.c (fold_truthop): Make the field reference unsigned
28759 when converting a single bit compare.
28761 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28763 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28765 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28767 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28768 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28771 * reload.c (push_reload): Do not call remove_address_replacements
28772 when presented with identical optional reloads.
28774 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28776 * alpha.h (MASK_FIX, TARGET_FIX): New.
28777 (MASK_*): Reorganize constants.
28778 (CPP_AM_FIX_SPEC): New.
28779 (TARGET_SWITCHES): Add FIX.
28780 (EXTRA_SPECS): Likewise.
28781 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28782 (SECONDARY_MEMORY_NEEDED): Likewise.
28783 (REGISTER_MOVE_COST): Likewise.
28784 * alpha.c (override_options): Add FIX support. Always use
28785 ALPHA_TP_PROG for ev6.
28786 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28787 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28788 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28790 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28792 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28793 something is a candidate for optimize_bit_field_compare.
28795 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28797 * gcc.texi (Passes): Document branch-shortening.
28798 * invoke.texi (Debugging Options): Document the fact that `-dp'
28799 outputs length information for instructions.
28801 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28803 * flow.c: Revert previous delta.
28805 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28807 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28808 FRAME_POINTER_REGNUM.
28809 (mark_set_1): Ditto.
28810 (mark_used_regs): Ditto.
28812 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28814 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28815 (GOT_PCREL): New macro. Define to 1 if not already defined.
28816 * arm/elf.h (GOT_PCREL): Define to 0.
28817 * arm.c (arm_finalize_pic): Take into account the setting of
28820 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28822 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28823 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28825 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28826 store elimination candidates.
28828 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28830 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28833 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28835 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28836 Add use of x-aix41-gld.
28838 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28840 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28841 (ASM_OUTPUT_DESTRUCTOR): Define.
28843 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28845 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28846 last CODE_LABEL in a loop if we have previously passed a jump
28847 to the top of the loop.
28849 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28851 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28852 applying Philip's patch.
28854 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28856 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28859 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28861 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28863 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28865 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28866 Also remove a useless comment.
28868 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28870 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28872 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28874 * collect2.c (main): Only generate import or export file and add
28875 to link arguments if non-empty. Use xmalloc not alloca.
28876 (write_{export,import}_file): Delete.
28877 (write_aix_file): New function.
28878 (locatelib): Use xmalloc not malloc.
28879 (GCC_OK_SYMBOL): Do not check type if aix64.
28881 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28883 Based on patch by Scott Bambrough and Pat Beirne:
28884 * config/arm/arm.c (making_const_table): New variable.
28885 * config/arm/arm.h (making_const_table): Declare.
28886 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28888 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28889 Keep track of when we are building the constant table.
28891 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28893 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28896 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28898 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28901 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28903 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28906 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28908 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28910 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28912 * rs6000.c (output_mi_thunk): Enable full support again.
28914 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28916 * sh.h (BRANCH_COST): Define.
28918 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28920 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28922 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28924 * function.c (assign_stack_local): Align stack slot propertly.
28925 (assign_outer_stack_local): Likewise.
28927 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28929 * expr.h (lang_expand_constant): Declare.
28930 * toplev.c (lang_expand_constant): Define it.
28931 * varasm.c (output_constant): Use it.
28933 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28935 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28936 Change function definitions to K&R style.
28938 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28940 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28942 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28944 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28945 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28946 (several places): omit static initialization
28947 (process): use single fd, since only the read fd is used
28948 * fixinc/gnu-regex.c: define 'const' away, if not supported
28949 * fixinc/procopen.c(several places): omit static initialization
28950 * fixinc/server.c: define 'volitile' away, if not supported
28952 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28954 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28955 asm_fprintf and %L to generate the label name.
28956 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28957 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28959 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28961 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28962 insn for a conditional jump can not be found.
28964 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28966 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28967 on variables in specific sections other than .sbss and .sdata.
28969 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28971 * stmt.c (expand_return): Call start_cleanup_deferral and
28972 end_cleanup_deferral around conditional code.
28974 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28976 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28977 filename lists. Utilizes new "krstr" AutoGen function.
28978 * fixinc/fixincl.x: Rebuilt.
28980 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28982 * i386.c (output_float_compare): Avoid GNU-C extensions.
28984 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28986 * version.c: Bump to distinguish mainline tree from the
28989 See ChangeLog.1 for earlier changes.