1 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
7 * i386.h: (TARGET_SWITCHES) Add description fields for flags
8 documented in install.texi.
9 (TARGET_OPTIONS) Likewise.
11 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
13 * version.c: Bump for snapshot.
15 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
17 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
18 * cccp.c (main): Likewise.
20 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
21 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
24 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
26 * Makefile.in (LIBS): Link in libiberty.a.
27 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
29 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
31 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
32 it to update bb boundaries. Update caller.
33 * function.c (reposition_prologue_and_epilogue_notes): Update
34 bb boundaries wrt the moved note.
36 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
38 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
40 * configure: Regenerate.
42 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
44 * alpha.c (alpha_sr_alias_set): New variable.
45 (override_options): Set it.
46 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
47 (mode_mask_operand): Fix signed-unsigned comparision warning.
48 (alpha_expand_block_move): Likewise.
49 (print_operand): Likewise.
50 (get_aligned_mem): Use change_address.
51 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
52 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
53 (alphaev4_next_nop, alphaev5_next_nop): New functions.
54 (alpha_align_insns): Remade from old alphaev5_align_insns
55 to handle multiple processors.
56 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
57 * output.h (label_to_alignment): Prototype.
59 * tree.c (new_alias_set): New function.
60 * tree.h (new_alias_set): Declare it.
61 * c-common.c (c_get_alias_set): Use it.
63 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
65 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
66 to an ABS expr, convert an unsigned input to signed.
68 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
70 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
72 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
74 * configure.in: Add support for c4x targets.
77 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
79 * combine.c (distribute_notes): If an insn is a cc0 user, only
80 delete it if we can also delete the cc0 setter.
82 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
84 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
85 (invert_truthvalue): Enable truthvalue inversion for
86 floating-point operands if -ffast-math.
88 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
90 * configure.in: Disable collect2 for nextstep. Instead use
93 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
94 (ENDFILE_SPEC): Define.
95 (OBJECT_FORMAT_MACHO): Define.
96 (EH_FRAME_SECTION_ASM_OP): Define.
97 * crtstuff.c: Handle MACHO.
99 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
101 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
103 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
105 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
106 (_fpadd_parts): Get sign right for 0.
108 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
110 * ginclude/varargs.h: Add support for C4x target.
111 * ginclude/stdargs.h: Likewise.
113 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
115 * alpha.c (alpha_return_addr): SET should be VOIDmode.
116 (alpha_emit_set_long_const): Rewrite to be callable from reload
118 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
119 * alpha.md (movdi): Likewise.
121 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
123 * arm.c (add_constant): New parameter address_only, change caller.
124 Set it non-zero if taking the address of an item in the pool.
125 (arm_reorg): Handle cases where we need the address of an item in
128 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
130 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
131 memory addresses that are not in standard canonical form.
133 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
135 * README.C4X: New file with information about the c4x ports.
136 * ginclude/va-c4x.h: New file for c4x varargs support.
137 * config/c4x: New directory with c4x port files.
139 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
141 * reload.c (find_reloads): Do not replace a pseudo with
142 (MEM (reg_equiv_addr)) in the initializing insn for the
145 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
147 * toplev.c (rest_of_compilation): Set bct_p on second call to
149 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
151 (strength_reduce): Only call analyze_loop_iterations and
152 insert_bct if bct_p set.
153 (check_dbra_loop): Fix typo.
154 (insert_bct): Use word_mode instead of SImode.
155 (instrument_loop_bct): Likewise. Do not delete iteration count
156 condition code generation insn. Initialize iteration count before
158 * rtl.h (loop_optimize): Update prototype.
160 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
161 not doubleword aligned.
163 * rs6000.c (optimization_options): New function.
164 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
165 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
166 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
167 first; cr1 can be used for FP record condition insns.
169 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
171 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
174 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
177 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
179 (block_move_call): New function: Call a library routine to copy a
181 (m32r_expand_block_move): New function: Expand a "movstrsi"
182 pattern into a sequence of insns.
183 (m32r_output_block_move): New function: Expand a
184 "movstrsi_internal" pattern into a sequence of assembler opcodes.
185 (m32r_block_immediate_operand): New function: Return true if the
186 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
188 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
190 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
192 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
194 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
196 * regmove.c (copy_src_to_dest): Check that modes match.
198 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
200 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
202 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
204 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
205 narrower than FLOAT_REGS.
207 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
209 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
211 * Makefile.in (old_gxx_include_dir): removed
213 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
215 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
218 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
219 (sh_handle_pragma): Change function arguments to match new
220 specification for HANDLE_PRAGMA.
222 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
224 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
226 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
227 When generating output, initialize missing struct member to zero.
229 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
231 * regmove.c (copy_src_to_dest): Don't copy if that requires
234 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
236 * global.c (reg_allocno): Now static.
237 * reload1.c (reg_allocno): Delete declaration.
238 (order_regs_for_reload): Take no arguments. Don't treat regs
239 allocated by global differently than those allocated by local-alloc.
241 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
243 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
244 condition, fix format strings.
245 (output_function_epilogue): Likewise.
247 * m68k/m68k.c: Don't include <stdlib.h> directly.
249 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
251 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
252 mem_first_set, mem_last_set; because 0 can be a CUID.
253 (oprs_unchanged_p): Use new definition.
254 (record_last_reg_set_info): Likewise.
255 (record_last_mem_set_info): Likewise.
256 (compute_hash_table): Likewise.
258 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
260 * rs6000.c (output_epilogue): Handle Chill.
262 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
263 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
265 * combine.c (make_extraction): If no mode is specified for
266 an operand of insv, extv, or extzv, default it to word_mode.
267 (simplify_comparison): Similarly.
268 * expmed.c (store_bit_field): Similarly.
269 (extract_bit_field): Similarly.
270 * function.c (fixup_var_regs_1): Similarly.
271 * recog.c (validate_replace_rtx_1): Similarly.
272 * mips.md (extv, extzv, insv expanders): Default modes for most
273 operands. Handle TARGET_64BIT.
274 (movdi_uld, movdi_usd): New patterns.
276 * pa.c (emit_move_sequence): Do not replace a pseudo with its
277 equivalent memory location unless we have been provided a scratch
278 register. Similarly do not call find_replacement unless a
279 scratch register has been provided.
281 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
283 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
286 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
288 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
289 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
290 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
291 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
292 * c-decl.c (init_decl_processing): Update accordingly.
293 * expr.c (expand_builtin): Likewise.
295 * rtl.h (global_rtl): Add cfa entry.
296 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
297 (LAST_VIRTUAL_REGISTER): Update.
298 * emit-rtl.c (global_rtl): Add cfa entry.
299 (init_emit): Initialize it.
300 * function.c (cfa_offset): New.
301 (instantiate_virtual_regs): Initialize it.
302 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
303 (expand_function_end): Call expand_eh_return.
304 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
306 * except.c (current_function_eh_stub_label): Kill.
307 (current_function_eh_old_stub_label): Likwise; update all references.
308 (expand_builtin_set_return_addr_reg): Kill.
309 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
310 (expand_builtin_set_eh_regs): Kill.
311 (eh_regs): Produce a third reg for the actual handler address.
312 (eh_return_context, eh_return_stack_adjust): New.
313 (eh_return_handler, eh_return_stub_label): New.
314 (init_eh_for_function): Initialize them.
315 (expand_builtin_eh_return, expand_eh_return): New.
316 * except.h: Update prototypes.
317 * flow.c (find_basic_blocks_1): Update references to the stub label.
318 * function.h (struct function): Kill stub label elements.
320 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
321 register number is one that would be in the previous window.
322 Provide a dummy definition for non-windowed targets.
323 (get_reg_addr): New function.
324 (get_reg, put_reg, copy_reg): Use it.
325 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
326 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
328 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
329 (alpha_init_expanders): Initialize it.
330 (alpha_expand_epilogue): Use it.
331 * alpha.h: Declare it.
332 * alpha.md (eh_epilogue): New.
334 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
335 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
337 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
339 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
342 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
344 * except.h (struct eh_entry): Add false_label field.
345 (end_catch_handler): Add prototype.
346 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
347 (start_catch_handler): When using old style exceptions, issue
348 runtime typematch code before continuing with the handler.
349 (end_catch_handler): New function, generates label after handler
350 if needed by older style exceptions.
351 (expand_start_all_catch): No need to check for new style exceptions.
352 (output_exception_table_entry): Only output the first handler label
353 for old style exceptions.
354 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
355 mechanism into one function, if a runtime matcher is provided.
357 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
359 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
361 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
363 * integrate.c (copy_decl_list): Fix typo.
365 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
367 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
370 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
372 * version.c: Bump for snapshot.
374 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
376 * version.c: Bump for snapshot.
378 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
380 * version.c: Bump for snapshot.
382 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
384 * invoke.texi (C Dialect Options): Put back missing @end itemize.
386 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
388 * configure.in: remove usage of `!' to negate the result of a
389 command; some common shells do not support it
391 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
393 * configure.in: in sparc9-sol2 config, use 'if test' not
395 * configure: Rebuilt.
397 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
399 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
400 (CPP_CPU_DEFAULT_SPEC): Likewise.
401 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
404 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
407 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
411 * collect2.c: Don't declare `sys_siglist' here.
412 (my_strsignal): Prototype and define new function. Use it in
413 place of `sys_siglist' hacks.
415 * mips_tfile.c: Likewise.
417 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
418 (GCC_NEED_DECLARATIONS): Likewise.
420 * system.h (strsignal): Prototype it, if necessary.
421 (sys_siglist): Declare it, if necessary.
423 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
425 * loop.c (move_movables): While removing insn sequences, preserve
426 the next pointer of the most recently deleted insn when we skip
429 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
431 * objc/config-lang.in: Do not output the name of the selected
432 thread file when building the front-end. The Makefile for the
433 runtime library will do this.
435 * objc/Make-lang.in: Do not build the runtime library or install
436 the Objective C header files. The Makefile for the runtime
437 library will do this.
439 * objc/Makefile.in (all.indirect): Only build the front-end.
440 (compiler): Rename to `frontend'.
441 (obj-runtime): Remove target.
442 (copy-headers): Likewise.
443 (clean): No need to remove `libobjc.a' any longer.
445 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
447 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
448 supported with -mcpu=xxx.
450 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
452 * flow.c (mark_set_1): Recognize multi-register structure return
453 values in CALL insns.
454 (mark_used_regs): Likewise.
455 (count_reg_sets_1): Likewise.
456 (count_reg_references): Likewise.
457 * rtlanal.c (note_stores): Likewise.
458 (reg_overlap_mentioned_p): Likewise.
459 * haifa-sched.c (check_live_1): Likewise.
460 (update_live_1): Likewise.
461 (sched_analyze_1): Likewise.
462 (sched_note_set): Likewise.
463 (birthing_insn_p): Likewise.
464 (attach_deaths): Likewise.
466 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
469 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
471 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
473 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
475 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
477 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
479 * configure.in: Add check for GAS subsection -1 support.
480 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
481 * configure config.in: Rebuilt.
482 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
483 SImode is subsection -1 works, else use DImode.
484 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
486 * config/sparc/sparc.c (sparc_output_addr_vec,
487 sparc_output_addr_diff_vec): Use them if defined.
489 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
491 * tree.h (DECL_ORIGIN): New macro.
492 * integrate.c (copy_and_set_decl_abstract_origin): New function.
493 (copy_decl_list): Use it.
494 (integrate_parm_decls): Likewise.
495 (integrate_decl_tree): Likewise.
496 * dwarf2out.c (decl_ultimate_origin): Simplify.
497 * dwarfout.c (decl_ultimate_origin): Likewise.
498 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
499 (pushdecl): Likewise.
501 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
503 * config/rs6000/rs6000.c (output_epilog): Add Java support.
505 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
507 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
509 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
511 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
512 empty or has a single entry.
514 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
515 before calling reg_to_stack.
517 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
519 * alpha.c (alphaev5_insn_pipe): Abort on default case.
520 (alphaev5_next_group): Swallow CLOBBERs and USEs.
522 * c-tree.h (warn_long_long): Declare it.
524 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
526 * emit-rtl.c (gen_lowpart_common): Disable optimization of
527 initialized float-int union if the value is a NaN.
529 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
531 * c-lex.c (real_yylex): Don't warn about long long constants if
532 we're allowing long long
534 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
536 * except.h (current_function_eh_stub_label): Declare.
537 (current_function_eh_old_stub_label): Declare.
538 * function.h (struct function): New members eh_stub_label and
540 * except.c (current_function_eh_stub_label): New variable.
541 (current_function_eh_old_stub_label): New variable.
542 (init_eh_for_function): Clear them.
543 (save_eh_status): Save them.
544 (restore_eh_status): Restore them.
545 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
546 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
547 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
548 make an edge from the block that contains it to the block starting
549 with the label if this label is one of the eh stub labels.
550 If eh stub labels exist, show they are reachable from the last block
553 * reload1.c (reload): Break out several subroutines and make some
555 (calculate_needs_all_insns): New function, broken out of reload.
556 (calculate_needs): Likewise.
557 (find_reload_regs): Likewise.
558 (find_group): Likewise.
559 (find_tworeg_group): Likewise.
560 (something_needs_reloads): New global variable, formerly in reload.
561 (something_needs_elimination): Likewise.
562 (caller_save_spill_class): Likewise.
563 (caller_save_group_size): Likewise.
564 (max_needs): Likewise.
565 (group_size): Likewise.
566 (max_groups): Likewise.
567 (max_nongroups): Likewise.
568 (group_mode): Likewise.
569 (max_needs_insn): Likewise.
570 (max_groups_insn): Likewise.
571 (max_nongroups_insn): Likewise.
574 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
576 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
578 * loop.c (load_mems): Copy rtx for output mem.
580 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
582 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
583 mips1 or mips2 either.
585 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
587 * pa.c (pa_reorg): New marking scheme for jumps inside switch
589 (pa_adjust_insn_length): Update to work with new marking scheme
590 for jumps inside switch tables.
591 * pa.md (switch_jump): Remove pattern.
592 (jump): Handle jumps inside jump tables.
594 * Makefile.in (profile.o): Depend on insn-config.h
596 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
598 * iris6.h (DWARF2_UNWIND_INFO): Undef.
600 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
602 Add preliminary native sparcv9 Solaris support.
603 * configure.in: Recognize sparv9-*-solaris2*
605 * config.sub: Recognize sparcv9 just like sparc64.
606 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
607 config/sparc/sol2-cn.asm: Macroize so it can be shared between
608 32-bit and 64-bit Solaris systems.
609 * config/sparc/t-sol2: Assemble those with cpp.
610 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
611 (*TF*_LIBCALL): If ARCH64 use V9 names.
612 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
614 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
616 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
617 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
619 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
621 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
622 to Pmode if CASE_VECTOR_MODE is something else.
624 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
626 * prefix.c (update_path): Correctly handle cases where PATH is
627 a substring of the builtin prefix, but specifies a different
630 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
632 * expr.c: Corrected comment about what MOVE_RATIO does.
633 * config/alpha/alpha.h: Ditto.
634 * config/1750a/1750a.h: Ditto.
635 * config/clipper/clipper.h: Ditto.
636 * config/i386/i386.h: Ditto.
638 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
640 * configure.in (m68k-next-nextstep3*): Use collect2.
641 Similarly for x86 NeXT configurations.
642 * configure: Rebuilt.
644 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
646 * configure.in: Don't assume srcdir is .../gcc
647 * configure: Rebuilt.
649 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
651 * global.c: Update comments.
652 (global_alloc): Assign allocation-numbers
653 even for registers allocated by local_alloc in case
654 they are later spilled and retry_global_alloc is called.
655 (mark_reg_store, mark_reg_clobber,
656 mark_reg_conflicts, mark_reg_death): Always record a
657 conflict with a pseudo register even if it has been
658 assigned to a hard register.
659 (dump_conflicts): Don't list pseudo registers already assigned to
660 a hard register as needing to be allocated, but do list their
662 * local-alloc.c: Update comment.
664 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
666 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
667 * configure: Rebuilt.
669 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
671 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
673 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
674 for all targets that set -msoft-float.
676 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * toplev.c (print_switch_values): Make static to match prototype.
680 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
682 * configure.in: If we are unable to find the "gnatbind" program,
683 then do not configure the ada subdir.
684 * configure: Rebuilt.
686 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
688 * version.c: Bump for snapshot.
690 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
692 * version.c: Bump for snapshot.
694 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
696 * Makefile.in (toplev.o): Depend on $(EXPR_H).
697 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
699 * gansidecl.h: Define ATTRIBUTE_NORETURN.
701 * genattrtab.c: Have insn-attrtab.c include toplev.h.
703 * genextract.c: Have insn-extract.c include toplev.h.
705 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
707 * toplev.c: Include expr.h.
708 (really_sorry, fancy_abort): Remove prototypes.
709 (set_target_switch): Add argument in prototype.
710 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
711 (v_really_sorry): Likewise.
712 (print_version, print_single_switch, print_switch_values): Make
713 static and add prototype arguments.
714 (decl_printable_name): Add prototype arguments.
715 (lang_expand_expr_t): New typedef.
716 (lang_expand_expr): Declare as a lang_expand_expr_t.
717 (incomplete_decl_finalize_hook): Add prototype argument.
718 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
719 (botch): Likewise for variable `s'.
720 (rest_of_type_compilation): Mark variables `type' and `toplev'
721 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
722 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
723 (display_help): Make variable `i' an `unsigned long'.
724 (main): Remove unused parameter `envp'.
725 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
726 Cast -1 when comparing it with a `size_t'.
728 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
729 prototype with ATTRIBUTE_NORETURN.
730 (fatal_insn_not_found, fatal_insn, really_sorry,
731 push_float_handler, pop_float_handler): Add prototypes.
732 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
733 (do_abort, botch): Add prototypes.
735 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
737 * final.c (final): If a label is reached only from a single jump,
738 call NOTICE_UPDATE_CC on the jump and its predecessor before
739 emitting the insn after the label.
741 * i386.h: Add AMD K6 support.
742 Change TARGET_* macros to use table lookup.
743 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
744 (ADJUST_COST): Change definition to call function in i386.c.
745 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
746 * i386.c: Add AMD K6 support.
747 Add constants for feature tests used by TARGET_* macros.
748 (split_di): If before reload, call gen_lowpart and gen_highpart.
749 (x86_adjust_cost): New function.
750 (put_jump_code): New function.
751 (print_operand): New codes 'D' and 'd'.
752 * i386.md: New insn types. New insn attribute "memory".
753 Redefine scheduling parameters to use new types and add AMD K6
754 support. Explicitly set type of most insns.
755 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
756 Pro and K6 prefer movl $1,reg to incl reg.
757 (adddi3, subdi3): Set cc_status.
758 (DImode shift patterns): Change label counters from HOST_WIDE_INT
759 to int; x86 can't have more than 2^31 DImode shifts per file.
760 (setcc): Combine all setcc patterns. Allow writing memory.
761 Combine all jump patterns using match_operator.
762 (*bzero): Name pattern. Emit mutliple stos instructions when that
763 is faster than rep stos.
764 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
767 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
769 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
772 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
774 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
775 not whatever we're generating now.
777 * alpha.c (set_frame_related_p, FRP): New.
778 (alpha_expand_prologue): Mark frame related insns.
779 (alpha_expand_epilogue): Likewise, but with a null FRP.
780 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
781 * alpha.md (exception_receiver): New.
782 * alpha/crtbegin.asm (.eh_frame): New beginning.
783 (__do_frame_setup, __do_frame_takedown): New.
784 * alpha/crtend.asm (.eh_frame): New ending.
785 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
786 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
787 (ASM_FILE_START): Don't emit .file for dwarf2.
789 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
790 * rtl.c (reg_note_name): Likewise.
791 * rtl.texi (REG_NOTES): Likewise.
792 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
795 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
797 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
798 * i386.md (movsf, movdf, movxf): Validate memory address returned
799 from force_const_mem. Kill useless REG_EQUAL setting code.
801 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
803 * m68k.md (zero_extendsidi2): Fix typo.
805 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
807 * configure.in: Removed references to the removed file
808 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
809 * arm*-*-netbsd* and ns32k-*-netbsd*.
810 * config/i386/xm-netbsd.h: Removed unnecessary file.
811 * config/m68k/xm-netbsd.h: Likewise.
812 * config/sparc/xm-netbsd.h: Likewise.
813 * config/mips/xm-netbsd.h: Likewise.
815 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
817 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
818 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
820 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
821 for exact section attributions.
823 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
825 * i386/crtdll.h (CPP_PREDEFINES): Define.
827 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
829 * m68k.md (5200 movqi): Do not allow byte sized memory references
831 * m68k.c (output_move_qimode): Do not use byte sized operations on
834 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
835 explicit rules for building. Similarly for alloca, vfprintf,
836 choose-temp and mkstemp, getopt, getopt1, and obstack.
837 (INCLUDES): Add $(srcdir)/../include.
838 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
839 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
841 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
843 * gcc.c (do_spec_1): [case 'o'] Account for
844 lang_specific_extra_outfiles.
845 (main): Correctly clear all slots in outfiles for
846 lang_specific_extra_outfiles. Set input_file_number before
847 calling lang_specific_pre_link.
849 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
851 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
853 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
855 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
857 (sparc_output_deferred_case_vectors): If no work to do, return.
858 Fix thinko in Sept 1 change.
860 1998-09-03 SL Baur <steve@altair.xemacs.org>
862 * Makefile.in: add semicolon in BISON definition for portability.
864 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
866 * config/nextstep.c (handle_pragma): Correct name of third
869 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
871 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
872 * config/m32r/m32r.h: Make register 17 be fixed.
873 * config/m32r/m32r.c: Use SImode for cc operations.
875 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
877 * invoke.texi (Warning Options): Add -Wnon-template-friend
880 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
882 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
884 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
886 * rs6000.md (movsf): Disable explicit secondary-reload-like
887 functionality if TARGET_POWERPC64.
888 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
891 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
893 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
894 and term.h from fixinc.wrap.
896 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
899 safe to include both string.h and strings.h together.
900 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
901 which headers to search for function declarations. Continue to
902 prefer string.h over strings.h when both are not acceptable.
904 * acconfig.h (STRING_WITH_STRINGS): Add stub.
906 * configure.in: Call GCC_HEADER_STRING.
908 * system.h: Test STRING_WITH_STRINGS when deciding which headers
909 to include. Continue to prefer string.h over strings.h when both
912 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
914 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
915 not assume top 32-bits of symbolic addresses are zero if
918 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
920 * ginclude/va-alpha.h: Protect entire second portion of the
921 file against double inclusion.
923 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
925 Added support for the Boehm's garbage collector.
926 * configure.in: Handle --enable-objc-gc.
927 * configure: Rebuilt.
928 * Makefile.in (CHECK_TARGETS): Add check-objc.
929 (check-objc): New rule.
930 * objc/Make-lang.in: Build a different Objective-C library that
931 runs with the Boehm's collector.
932 * objc/encoding.c (objc_round_acc_size_for_types): New function.
933 * objc/encoding.c: Correctly compute the size of compound types in
934 the presence of bitfields. Skip the variable name of the type if
935 any. Added support for long long.
936 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
937 (_F_GCINVISIBLE): New mask.
938 * objc/gc.c: New file. Compute the type memory mask associated with
939 a class based on the runtime information.
940 * objc/misc.c: Added the hooks that use the Boehm's collector
941 allocation functions.
942 * objc/objc-act.c (build_class_template): Generate a new class
943 member (gc_object_type) to hold the class' type memory mask.
944 (build_shared_structure_initializer): Initialize the new member to
946 (encode_complete_bitfield): New function. Generate the new
948 (encode_field_decl): Generate the new encoding only for the GNU
950 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
952 (class_get_gc_object_type): New function to mark a pointer instance
953 variable as a weak pointer.
954 * objc/objc-features.texi: New file.
955 * objc/objc.h (gc_object_type): New class member.
956 * objc/objects.c (class_create_instance): Create a typed memory
957 object when compiled with Boehm's collector support.
958 * objc/sendmsg.c (__objc_init_install_dtable): Call
959 __objc_send_initialize instead of setting the initialize flag.
960 (__objc_send_initialize): Call __objc_generate_gc_type_description
961 to generate the class type memory mask. Rewrite the code that
962 sends the +initialize so that it is called only once (bug report
963 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
964 * testsuite/objc: New testsuite for Objective-C type encoding.
965 * testsuite/lib/objc-torture.exp: New file.
966 * testsuite/lib/objc.exp: New file.
968 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
970 * jump.c (jump_optimize): In if/then/else transformations, add
971 another call to modified_between_p for the jump insn.
973 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
975 * fix-header.c (symlink): Treat like readlink.
977 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
979 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
982 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
984 * config/nextstep.h: Update HANDLE_PRAGMA macro.
985 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
986 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
988 * config/nextstep.c (handle_pragma): Take three arguments, as per
989 the new HANDLE_PRAGMA macro specification.
990 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
991 per the new HANDLE_PRAGMA macro specification.
992 * config/i960/i960.c (process_pragma): Take three arguments, as
993 per the new HANDLE_PRAGMA macro specification.
995 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
997 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
998 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
999 if unknown pragmas are encountered.
1000 (handle_sysv_pragma): Interpret return code from
1001 handle_pragma_token (). Return success/failure indication rather
1002 than next unprocessed character.
1003 (pragma_getc): New function: retrieves characters from the
1004 input stream. Defined when HANDLE_PRAGMA is enabled.
1005 (pragma_ungetc): New function: replaces characters back into the
1006 input stream. Defined when HANDLE_PRAGMA is enabled.
1008 * c-pragma.c (handle_pragma_token): Return success/failure status
1011 * c-pragma.h: Change prototype of handle_pragma_token().
1013 * varasm.c: (handle_pragma_weak): Only create this function if
1014 HANDLE_PRAGMA_WEAK is defined.
1016 * c-common,c (decl_attributes): If defined call the expression
1017 contained within the INSERT_ATTRIBUTES macro before adding
1018 attributes to a decl.
1020 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1021 HANDLE_PRAGMA, which takes three arguments.
1022 (INSERT_ATTRIBUTES): Document this new macro.
1024 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1025 new INSERT_ATTRIBUTES macro.
1027 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1029 * config/sparc/sparc.md (movdf): Only generate special RTL for
1030 LABEL_REFs when PIC.
1031 (move_label_di): Remove
1032 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1033 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1034 references when PIC.
1035 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1036 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1037 output an .xword for all 64-bit cases.
1039 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1041 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1042 alignment, use FUNCTION_BOUNDARY instead.
1043 (sparc_output_deferred_case_vectors): Likewise.
1045 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1047 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1048 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1050 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1052 * alpha/va_list.h: New file.
1053 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1055 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1057 * NEWS: Add SCO Openserver and Unixware 7 notes.
1061 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1063 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1064 (record_constant_1): Handle RANGE_EXPR.
1066 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1068 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1069 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1070 and NOTE_INSN_RANGE_END specially.
1071 (reemit_notes): Likewise.
1073 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1075 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1076 (ultrasparc_sched_init): Remove unneeded &.
1078 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1080 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1081 for m68020-60, to prevent the use of fintrz.
1083 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1085 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1087 * Makefile.in: Likewise.
1088 * configure: Regenerated.
1090 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1092 * configure.in (gxx_include_dir): Changed to
1093 '${prefix}/include/g++'-${libstdcxx_interface}.
1094 * configure: Rebuilt.
1096 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1098 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1100 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1101 *sequences* *below* which scalar moves will be used.
1103 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1105 * collect2.c (mktemp): Delete unused declaration.
1107 * config/xm-netbsd.h: Remove unnecessary file.
1108 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1109 file anymore, it is not needed.
1111 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1113 * convert.c (convert_to_integer): Issue an error on conversions to
1116 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1118 * Makefile.in: Add lang_tree_files and gencheck.h.
1119 * configure.in: Generate them.
1120 * gencheck.c: Include gencheck.h.
1122 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1124 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1125 movdi_lo_sum_pic and movdi_high_pic and make visible.
1126 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1127 emit these when Pmode is not SImode.
1128 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1130 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1132 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1133 .linkonce directive after the first time.
1135 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1137 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1138 the clobbered operand overlaps with an input.
1139 (bne0_di): Similarly.
1141 * Makefile.in (INSTALL): Remove "--no-header" argument.
1143 * NEWS: Various updates.
1145 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1147 * config/sparc/sparc.c (arith_operand, const64_operand,
1148 const64_high_operand, arith_double_4096_operand): Mark mode as
1150 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1152 (sparc_emit_set_const64): Remove unused variable i.
1153 (sparc_splitdi_legitimate): Likewise for addr_part.
1154 (ultra_code_from_mask): Likewise for mask.
1155 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1156 reverse return values so it matches usage and comments.
1157 (ultra_flush_pipeline): Likewise.
1158 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1159 this_type, and allow loads and stores of differing FP modes as
1160 they do not create a conflict.
1161 (ultra_find_type): Initialize fpmode to SFmode, fix
1162 parenthesization thinkos in large conditional.
1163 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1164 Init free_slot_mask after ultra_cur_hist is reset, not before.
1165 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1166 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1167 use ultra_flush_pipeline instead, then re-init group pointer.
1168 Fix statement with no effect. If no progress made in, and no
1169 instructions scheduled at all, advance to new pipeline cycle else
1170 we get into an endless loop.
1171 (ultrasparc_adjust_cost): Remove previous arg.
1172 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1174 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1176 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1177 code. Use reg_overlap_mentioned_p to detect when source and
1178 destination overlap.
1179 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1181 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1183 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1184 COMPARISON_VAL, into invariant_p.
1186 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1188 * regmove.c (regclass_compatible_p): New function.
1189 (regmove_optimize): Use it.
1191 Use NREGS parameter insted of calling max_reg_num.
1193 (fixup_match_1): Don't use code = MINUS when later tieing with
1194 a hard register is likely.
1196 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1198 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1199 COMPARISON_VAL was normalized.
1201 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1203 * loop.c (check_dbra_loop): The loop ending comparison value
1204 must be an invariant or we can not reverse the loop.
1206 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1207 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1209 (load_mems_and_recount_loop_regs_set): Likewise.
1211 * i386.c (print_operand): Remove obsolete 'c' docs.
1213 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1215 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1216 * frame.c (init_object_mutex): New function.
1217 (init_object_mutex_once): Likewise.
1218 (find_fde): Call it.
1219 (__register_frame_info): Likewise.
1220 (__register_frame_info_table): Likewise.
1221 (__deregister_frame_info): Likewise.
1223 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1225 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1227 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1229 * loop.c (check_dbra_loop): Enable code for reversal
1230 of some loops without a known constant loop end.
1232 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1234 * haifa-sched.c (last_clock_var): New.
1235 (schedule_block): Initialize it.
1236 (schedule_insn): Use it to fill insn modes with issue information.
1238 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1239 Tag trapb and next insn with TImode.
1240 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1241 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1242 Invoke alphaev5_align_insns as appropriate.
1243 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1244 (MD_SCHED_VARIABLE_ISSUE): New.
1245 * alpha.md (attr type): Add multi.
1246 (define_asm_attributes): New.
1247 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1248 (arg_home): Likewise.
1249 (fnop, unop, realign): New.
1251 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1253 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1254 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1256 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1257 (rs6000-ibm-aix4.[12]*): Likewise.
1258 * configure: Regnerate.
1260 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1262 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1263 already contains the return address.
1265 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1267 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1268 word sized hunks when loading unaligned args into registers.
1270 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1271 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1273 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1275 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1277 * loop.c (check_dbra_loop): Add some code that would allow reversal
1278 of some loops without a known constant loop end if it were enabled.
1280 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1282 * mips.md (lshrsi3_internal2+2): Fix type-o.
1284 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1286 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1287 correctly with regards to stdio.h.
1289 * calls.c: Remove stdarg.h/varargs.h.
1292 * combine.c: Likewise.
1293 * cpperror.c: Likewise.
1294 * cpplib.c: Likewise.
1295 * cpplib.h: Likewise.
1296 * doprint.c: Likewise.
1297 * emit-rtl.c: Likewise.
1298 * final.c: Likewise.
1299 * fix-header.c: Likewise.
1301 * genattr.c: Likewise.
1302 * genattrtab.c: Likewise.
1303 * gencodes.c: Likewise.
1304 * genconfig.c: Likewise.
1305 * genemit.c: Likewise.
1306 * genextract.c: Likewise.
1307 * genflags.c: Likewise.
1308 * genopinit.c: Likewise.
1309 * genoutput.c: Likewise.
1310 * genpeep.c: Likewise.
1311 * genrecog.c: Likewise.
1312 * mips-tfile.c: Likewise.
1313 * prefix.c: Likewise.
1314 * protoize.c: Likewise.
1315 * regmove.c: Likewise.
1316 * toplev.c: Likewise.
1319 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1321 * config/sparc/sparc.c (sparc_override_options): If not
1322 TARGET_FPU, turn off TARGET_VIS.
1323 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1324 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1325 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1326 (movdi_insn_sp64): Add VIS fzero alternative.
1327 (clear_sf, clear_df): New VIS patterns.
1328 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1330 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1332 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1334 * loop.c (n_times_set, n_times_used, may_not_optimize,
1335 reg_single_usage): Convert to varrays. All uses changed.
1336 (insert_loop_mem): Return a value.
1337 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1338 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1341 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1344 * configure.in: Do not set thread_file to "irix" since no such
1347 * sparc.md (float abs/neg splits): Check reload_completed before
1348 calling alter_subreg.
1350 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1352 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1354 * config/sparc/sparc.h: Declare it.
1355 * config/sparc/sparc.md (float abs/neg splits): Use it.
1356 (all other splits): Handle SUBREGs properly where necessary.
1357 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1359 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1361 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1362 an insn on the unfilled_slots_list that has no delay slots.
1363 (fill_eager_delay_slots): Similarly.
1365 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1367 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1368 as an ordinary operand.
1370 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1372 * tree.c (valid_machine_attribute): Don't apply attributes to both
1375 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1377 * reload.c (operands_match_p): Handle rtvecs.
1379 * i386.c (legitimate_pic_address_disp_p): New.
1380 (legitimate_address_p): Use it.
1381 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1382 Handle constant pool symbols just like statics.
1383 (emit_pic_move): Use Pmode not SImode for clarity.
1384 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1385 [UNSPEC]: New, handling what we killed above.
1386 [PLUS]: Detect and abort on invalid symbol arithmetic.
1387 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1389 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1391 * alias.c: Include output.h.
1392 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1393 different if we're in a varargs function.
1394 * Makefile.in (alias.o): Depend on output.h
1396 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1398 * sh.h (GIV_SORT_CRITERION): Delete.
1400 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1402 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1403 * stupid.c (stupid_life_analysis): Ditto.
1404 * reload1.c (reload): Ditto.
1406 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1408 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1409 arith_double_4096_operand, arith_double_add_operand): New
1411 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1412 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1413 them to transform add/sub 4096 into add/sub -4096.
1415 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1417 * loop.c (scan_loop): Allocate some slop to handle pseudos
1418 generated by move_movables.
1419 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1422 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1424 * tree.def (DECL_RESULT): Correct documentation.
1426 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1428 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1429 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1430 conflicts will all RELOAD_FOR_OUTPUT reloads.
1432 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1433 loads the function result, substitute with a USE.
1435 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1437 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1438 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1439 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1440 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1441 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1442 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1444 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1445 'o' to 'm' for GPR variant constraints.
1447 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1449 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1451 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1453 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1454 when the source and destination overlap.
1456 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1457 clash with global type.
1459 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1461 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1463 * c-common.c (combine_strings): Also set TREE_READONLY.
1464 Change warn_write_strings to flag_const_strings.
1465 * c-decl.c, c-tree.h: Likewise.
1467 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1469 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1470 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1471 sequence, use SET/IOR instead so CSE can see it.
1472 * config/sparc/sparc.md (movhi_const64_special,
1473 movsi_const64_special): New patterns necessitated by that change.
1474 (movhi_high): Remove.
1475 (movhi_lo_sum): Change to match an IOR.
1476 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1477 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1478 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1479 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1480 registers are involved.
1481 (snesi_zero_extend split): Remove reload_completed test.
1482 (unnamed plus and minus zero_extend sidi splits): Add it.
1484 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1486 * extend.texi: Remove description of extension to explicit
1487 instantiation that is now endorsed by standard C++.
1489 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1491 * config/arc/arc.c (arc_initialize_pic): Remove.
1492 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1493 nothing on any platform and is invoked by no-one, it does not even
1494 appear in the documentation.
1495 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1496 * config/sparc/sparc.c (initialize_pic): Likewise.
1497 (find_addr_reg): Remove this as well, no longer referenced after
1500 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1502 * recog.c (validate_replace_rtx_group): New function.
1503 * recog.h (validate_replace_rtx_group): Declare it.
1504 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1505 the entire group of substitutions.
1507 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1509 * loop.c (load_mems): Fix initializers.
1511 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1513 * config/sparc/sparc.md (TFmode splits): Handle destination
1514 registers being referenced in the address correctly.
1516 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1517 TREE_UNSIGNED, when bitsize of type's mode is larger than
1518 HOST_BITS_PER_WIDE_INT.
1520 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1522 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1523 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1524 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1526 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1529 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1531 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1532 * h8300.h (TINY_DATA_NAME_P): Likewise.
1533 (STRIP_NAME_ENCODING): Handle '&'.
1535 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1536 register (it could be accessed via an outer SUBREG).
1537 (REG_OK_FOR_BASE_P): Likewwise.
1538 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1540 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1543 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1545 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1547 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1548 must be offsettable so the splits can be made.
1550 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1552 * config/i386/winnt.c: Include system.h, not stdio.h to get
1553 sys/param.h pulled in before rtl.h in case the system defines MIN
1556 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1558 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1560 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1562 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1564 * cpplib.c (cpp_define): Handle macros with parameters.
1566 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1568 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1569 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1570 and DImode 64-bit. Use llong for minimal-toc SFmode and
1571 SYMBOL_REF / LABEL_REF 64-bit.
1572 (output_function_profiler): Use llong for profiler label and ld to
1573 load 64-bit label address.
1575 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1577 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1580 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1582 * version.c: Bump for snapshot.
1584 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1586 * version.c: Bump for snapshot.
1588 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1590 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1592 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1594 * tm.texi (Misc): Fix typo "teh".
1596 * tm.texi (PIC): Fix typo "PPIC".
1598 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1599 effect when -O2 and higher.
1600 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1602 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1604 * regclass.c: Changed register set documentation to be consistent
1607 * final.c (final_start_function) Removed redundant test for
1610 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1612 * rtl.h (rtx_function): New type.
1613 (for_each_rtx): New function.
1614 * rtlanal.c (for_each_rtx): Define it.
1616 * recog.c (change_t): New type.
1617 (change_objects, change_old_codes, change_locs, change_olds):
1619 (changes): New variable.
1620 (validate_change): Dynamically allocate room for more changes, if
1621 necessary. Uses changes array instead of change_objects, etc.
1622 (apply_change_group): Use changes array instead of
1623 change_objects, etc.
1625 * loop.c (loop_mem_info): New type.
1626 (loop_mems): New variable.
1627 (loop_mems_idx): Likewise.
1628 (looop_mems_allocated): Likewise.
1629 (scan_loop): Remove nregs parameter.
1630 (next_insn_in_loop): New function.
1631 (load_mems_and_recount_loop_regs_set): Likewise.
1632 (load_mems): Likewise.
1633 (insert_loop_mem): Likewise.
1634 (replace_loop_mem): Likewise.
1635 (replace_label): Likewise.
1636 (INSN_IN_RANGE_P): New macro.
1637 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1638 (scan_loop): Remove nregs parameter, compute it after any new
1639 registers are created by load_mems. Use INSN_IN_RANGE_P and
1640 next_insn_in_loop rather than expanding them inline. Call
1641 load_mems to load memory into pseudos, if appropriate.
1642 (prescan_loop): Figure out whether or not there are jumps from the
1643 loop to targets other than the label immediately following the
1644 loop. Call insert_loop_mem to notice all the MEMs used in the
1645 loop, if it could be safe to pull MEMs into REGs for the duration
1647 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1649 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1651 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1653 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1655 * config/sparc/sparc.c (finalize_pic): Check for the correct
1656 nonlocal_goto_receiver UNSPEC number.
1657 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1658 making note of this dependency existing in sparc.c
1659 (negtf2_notv9 split): Give NEG SFmode.
1660 (negsf2): Fix insn output string.
1662 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1664 * c-common.c (decl_attributes): Issue an error if the argument
1665 to alias is not a string.
1667 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1669 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1670 pending memory flush list.
1672 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1674 (try_combine): Allow combining insns with REG_LIBCALL notes.
1676 * expr.c (emit_block_move): Do not call memcpy as a libcall
1677 instead build up a CALL_EXPR and call it like any other
1679 (clear_storage): Similarly for memset.
1681 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1684 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1687 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1688 and REG_LIVE_LENGTH as successful substitutions are made.
1690 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1693 statement after end of loop label.
1695 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1697 * config/sparc/sparc.c (ultra_types_avail): New variable.
1698 (ultra_build_types_avail): New function to record mask of insn
1699 types in ready list at this cycle.
1700 (ultrasparc_sched_reorder): Call it.
1701 (ultra_find_type): Use it to quicken the search. Also simplif
1702 dependency check, don't use rtx_equal_p because we know exactly
1703 what we are looking for.
1705 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1707 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1708 for architecture v4.
1710 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1712 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1714 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1715 movdf_const_intreg and helper splits): New patterns to move float
1716 constants into integer registers.
1717 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1720 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1723 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1725 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1727 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1728 a BASE_REGS register is needed as an intermediate when copying
1729 a symbolic value into any register class other than BASE_REGS.
1731 * expr.c (move_by_pieces): No longer static. Remove prototype.
1732 * rtl.h (move_by_pieces): Add extern prototype.
1733 * mips.c (expand_block_move): Handle aligned straight line copy by
1734 calling move_by_pieces.
1736 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1739 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1741 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1742 jumps out of the loop to be treated as part of the exit test.
1744 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1745 Jeff Law <law@cygnus.com>
1747 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1748 * cplus-dem.c: Delete.
1750 * Makefile.in (fold-const.o): depend on $(RTL_H).
1752 * fold-const.c: Include rtl.h to get the prototype for
1753 `set_identifier_local_value'.
1755 * loop.c (express_from_1): Remove unused variable `tmp'.
1756 (combine_givs): cast the first argument of bzero to char *.
1758 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1760 * c-decl.c (init_decl_processing): Remove unneeded &.
1762 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1764 * except.c (set_exception_lang_code, set_exception_version_code):
1765 Change parameter from `short' to `int' to avoid using a gcc
1768 * except.h (set_exception_lang_code, set_exception_version_code):
1769 Likewise for prototypes.
1771 * flow.c (count_reg_references): Remove unused variables `regno'
1774 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1776 * prefix.c (translate_name): Cast the result of `alloca'.
1778 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1780 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1782 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1784 (valid_dbcc_comparison_p): Mark mode argument as unused.
1785 (symbolic_operand): Likewise.
1786 (legitimize_pic_address): Likewise.
1787 (const_uint32_operand): Likewise.
1788 (const_sint32_operand): Likewise.
1789 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1790 schedule_insns and comment out rest of file.
1792 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1794 (output_move_[hq]imode): Likewise.
1796 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1798 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1799 * invoke.texi: Corresponding changes.
1801 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1803 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1805 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1807 * config/sparc/sparc.c (ultra_code_from_mask,
1808 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1809 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1810 ultrasparc_sched_init, ultrasparc_variable_issue,
1811 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1812 functions to describe UltraSPARC pipeline exactly to Haifa.
1813 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1814 as there is nothing the scheduler can do about it. Indicate that
1815 REG_DEP_OUTPUT's collide. Fixup formatting.
1816 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1817 divide costs on Ultra for DImode.
1818 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1820 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1821 ieuN and add call_no_delay_slot to type list.
1822 (cti function unit): New unit for branches on UltraSPARC.
1823 (subx/addx insns): Set type to misc.
1824 (sidi zero/sign extension insns on arch64): Set type to shift.
1825 (sign_extendhidi2_insn): Set type to sload.
1827 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1829 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1830 (output_epilog): Use if != 0 for offset.
1831 (rs6000_fatal_bad_address): Prepare for Intl.
1832 * rs6000.h (rs6000_fatal_bad_address): Declare.
1833 * rs6000.md (movsfcc, movdfcc): Use else if.
1834 (elf_high): Use {liu|lis}.
1835 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1836 (movsi): Use rs6000_fatal_bad_address.
1838 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1840 * reload.c (find_equiv_reg): Reject equivalences separated
1841 by a volatile instruction.
1843 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1845 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1847 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1849 * alpha.md (movsicc): Fix mode mismatch.
1851 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1853 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1855 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1857 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1859 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1860 write-only modifier from operand 1 constraint.
1862 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1864 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1865 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1867 (sparc_emit_set_const64): Likewise, also when computing trailing
1868 bits do not negate low_bits and make fast_int an int.
1870 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1872 * loop.c (add_label_notes): Do not ignore references to labels
1873 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1874 * gcse.c (add_label_notes): Similarly.
1876 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1878 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1879 (adddi_dishl32): Similarly.
1881 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1883 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1884 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1885 * cse.c (cse_basic_block): Add parens to shut up warnings.
1887 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1889 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1890 sparc_emit_set_const64_longway, const64_is_2insns,
1891 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1892 in 64-bit constant formation.
1893 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1894 rtl for addx not subx.
1895 (define_insn movdi_const64_special): Make available even when
1896 HOST_BITS_PER_WIDE_INT is not 64.
1897 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1898 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1899 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1900 instances of operand 1 inside a QI subreg.
1901 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1902 (one_cmpldi2_sp64): Fix output string.
1903 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1905 (unnamed arch64 ashift DI): Truncate shift count if greater than
1908 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1910 * expr.c (store_expr): Don't optimize away load-store pair
1911 when either source or destination have a side effect.
1913 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1915 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1916 operands of SET are incompatible.
1918 * alpha.md: Fix max and min patterns so modes of SET operands match.
1920 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1922 * configure.in: Avoid [[ by using test and changequote.
1923 * configure: Rebuild.
1925 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1927 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1929 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1930 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1931 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1932 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1933 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1934 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1935 Fix mismatching modes in SET operands.
1936 (conditional move patterns): Fix formatting.
1937 (unnamed subx arch64 pattern): Remove duplicate insn.
1939 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1941 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1942 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1943 (input_operand): Fixup test for what we accept for constant
1945 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1947 (safe_constDI): Remove.
1948 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1949 gen_safe_XOR64): New functions.
1950 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1951 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1953 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1954 available when HOST_BITS_PER_WIDE_INT is not 64.
1955 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1956 move before movdi_insn_sp64 pattern.
1957 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1958 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1959 symbolic_operand as predicate for second operand.
1960 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1961 expander): Give set VOIDmode.
1963 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1965 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1967 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1969 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1971 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1973 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1975 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1977 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1979 * install.texi: Various SCO OpenServer tweaks.
1981 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1983 * reload1.c (eliminate_regs_in_insn): Handle another case when
1984 eliminating the frame pointer to the hard frame pointer. Add
1985 missing ep->to_rtx check to one existing case.
1987 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1989 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1991 * tree.h: De-conditionalize init_priority code.
1993 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1994 * collect2.c (NM_FLAGS): Change from -p to -n.
1996 * configure.in: Turn on collect2 for mipstx39-elf.
1997 Handle use_collect2=no properly.
1999 * c-common.c: De-conditionalize init_priority code.
2000 * collect2.c (extract_init_priority, sort_ids): New fns.
2001 (main): Call sort_ids.
2002 Move sequence_number to file scope.
2004 * configure.in: Handle --enable-init-priority.
2005 * c-common.c (attrs): Add A_INIT_PRIORITY.
2006 (init_attributes, decl_attributes): Likewise.
2007 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2008 * tree.c (get_file_function_name_long): Split out...
2009 (get_file_function_name): ...from here.
2011 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2013 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2016 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2018 * toplev.c (display_help): Add braces to shut up warnings.
2019 * tree.c (simple_cst_equal): Likewise.
2021 * fold-const.c (non_lvalue): Don't deal with null pointer
2023 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2025 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2026 of any size to a pointer.
2028 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2030 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2032 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2034 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2035 which will be saved.
2036 * mn10300.md (prologue insn): Only save registers which need saving.
2037 (epilogue insn): Similarly.
2039 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2042 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2044 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2045 VAR_DECL's in gp addressable sections.
2047 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2049 * sparc.c: Change return <exp> to <exp>; return; in functions
2051 * sparc.md: Add empty semicolon statement after final label in
2054 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2056 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2057 addx_extend_sp64, only allow when TARGET_ARCH64.
2058 (define_insn addx_extend_sp32 and split): Version that works when
2060 (define_insn subx_extend): Likewise.
2061 (define_split adddi3 and subdi3 with zero extension): Fixup and
2062 correct bugs when not TARGET_ARCH64.
2064 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2066 * except.c (set_exception_lang_code, set_exception_version_code):
2067 Use prototype-style definition if __STDC__, to match declaration
2070 * genemit.c: Change FAIL and DONE macros not to use loops.
2072 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2074 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2075 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2077 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2079 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2081 * README.g77: Update from Craig.
2083 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2085 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2087 (safe_constDI sparc_emit_set_const64_quick1,
2088 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2089 analyze_64bit_constant, const64_is_2insns,
2090 create_simple_focus_bits): Fix some bugs when compiled on real
2092 (function_arg_record_value_3, function_arg_record_value_2,
2093 function_arg_record_value): Add fully prototyped forward decls.
2094 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2095 to cmpsi_insn and use on both 64 and 32 bit targets.
2096 (define_insn cmpsi_insn_sp64): Remove.
2097 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2098 (define_insn zero_extendsidi2_insn): Rename to
2099 zero_extendsidi2_insn_sp64.
2100 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2101 assosciated forced split for it.
2103 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2105 * config/sparc/sparc.h: Declare them.
2106 (PREDICATE_CODES): Add them.
2107 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2108 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2110 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2112 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2113 in v9 case as the latter makes the Solaris assembler crash.
2115 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2117 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2118 for TFmode when !v9. We require offsettable memory addresses.
2119 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2120 DFmode register number conversions.
2121 * config/sparc/sparc.md (define_split DFmode moves): If register
2122 is a SUBREG do alter_subreg on it before using.
2123 (define_expand movtf): Fixup comment about alignment on v9.
2124 (define_split TFmode moves): Don't use gen_{high,low}part, create
2125 explicit SUBREGs instead.
2127 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2129 * Makefile.in (mbchar.o): Depend on mbchar.c.
2131 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2132 Richard Henderson <rth@cygnus.com>
2134 Rewrite Sparc backend for better code generation and
2135 improved sparc64 support.
2136 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2138 * config/sparc/sysv4.h: Likewise.
2139 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2140 move_operand, v8plus_regcmp_op, emit_move_sequence,
2141 singlemove_string, doublemove_string, mem_aligned_8,
2142 output_move_double, output_move_quad, output_fp_move_double,
2143 move_quad_direction, output_fp_move_quad, output_scc_insn):
2145 (small_int_or_double): New predicate.
2146 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2147 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2148 old pic_{sethi,lo_sum}_si patterns.
2149 (mem_min_alignment): New generic function to replace
2150 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2151 available and can test for arbitrary alignments. All callers
2153 (save_regs, restore_regs, build_big_number,
2154 output_function_prologue, output_cbranch, output_return,
2155 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2156 sparc_flat_output_function_epilogue): Prettify
2158 (output_function_epilogue): Likewise and add code to output
2159 deferred case vectors.
2160 (output_v9branch): Likewise, add new arg INSN and use it to tack
2161 on branch prediction settings. All callers changed.
2162 (print_operand): Likewise and output %l44 for LO_SUMs when
2164 (sparc_splitdi_legitimate): New function to make sure DImode
2165 splits can be run properly when !arch64.
2166 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2167 Reformat example code in comments.
2168 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2169 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2170 of deferred case vectors we need to output.
2171 (sparc_defer_case_vector): Record a case vector.
2172 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2173 sparc_output_deferred_case_vectors): New functions to output them.
2174 (sparc_emit_set_const32): New function to form 32-bit constants in
2175 registers when that requires more than one instruction.
2176 (safe_constDI, sparc_emit_set_const64_quick1,
2177 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2178 analyze_64bit_constant, const64_is_2insns,
2179 create_simple_focus_bits, sparc_emit_set_const64): New functions
2180 which do the same for 64-bit constants when arch64.
2181 (sparc_emit_set_symbolic_const64): New function to emit address
2182 loading for all code models on v9.
2183 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2184 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2185 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2186 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2187 inaccuracies in comments, add symbolic and text_segment operands
2188 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2189 GENERAL_REGS in these cases as a temp REG is needed to load these
2190 addresses into a register properly.
2191 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2193 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2194 quads are guarenteed to have 16-byte alignment.
2195 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2196 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2197 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2198 deferred case vector implementation.
2199 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2200 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2201 Generate "internal label - label" instead of "label - 1b".
2202 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2203 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2204 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2206 (doublemove_string, output_block_move, output_fp_move_double,
2207 output_fp_move_quad, output_move_double, output_move_quad,
2208 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2209 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2210 (sparc_emit_set_const32, sparc_emit_set_const64,
2211 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2212 mem_min_alignment, small_int_or_double): Add externs.
2213 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2214 UNSPEC_VOLATILE in this backend.
2215 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2216 unary to types which execute in it.
2217 (define_function_unit ieu_shift): Rename to ieu0.
2218 (define_function_unit ieu1): New, executes compare, call, and
2219 uncond_branch type insns.
2220 (define_function_units for type fdivs, fdivd, fsqrt): These
2221 execute in the fpu multiply unit not the adder on UltraSparc.
2222 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2223 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2224 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2225 allows the arith_double_operand predicate and rHI constraint when
2227 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2228 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2229 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2230 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2231 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2232 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2233 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2234 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2235 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2236 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2237 sign_extendqihi2_insn, sign_extendqisi2_insn,
2238 sign_extendqidi2_insn, sign_extendhidi2_insn,
2239 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2240 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2241 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2242 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2243 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2244 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2245 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2246 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2247 smulsi3_highpart_v8plus, unnamed subreg mult,
2248 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2249 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2250 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2251 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2252 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2253 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2254 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2255 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2256 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2257 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2258 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2259 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2260 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2261 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2262 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2263 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2264 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2265 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2266 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2267 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2268 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2269 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2270 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2271 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2272 call_address_untyped_struct_value_sp32,
2273 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2274 call_value_symbolic_sp32, call_value_address_sp64,
2275 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2276 flush_register_windows, goto_handler_and_restore,
2277 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2278 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2279 return_addsi, return_di, return_adddi, return_sf, all call+jump
2280 peepholes, trap, unnamed trap insns): Prettify output strings.
2281 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2282 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2283 Likewise and force + implement splits for integer cases.
2284 (define_insn return_sf_no_fpu): Likewise and allow to match when
2285 no-fpu because of our subreg SFmode splits.
2286 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2287 zero_extendqidi2_insn, zero_extendhidi2_insn,
2288 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2289 input_operand for second operand.
2290 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2291 reg_or_0_operand for operand 2 so new splits can use it.
2292 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2293 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2295 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2296 CONST_DOUBLEs for operand 2.
2297 (define_insn move_label_di): Likewise and label distance
2298 optimization because it no longer works with new deferred case
2299 vector scheme. To be revisited.
2300 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2301 and allow reg_or_0_operand and J constraint for second operand.
2302 (define_insn jump): Set branch predict taken on V9.
2303 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2304 new deferred case vector scheme.
2305 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2306 (define_insn negdi2_sp32): Force + implement splits.
2307 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2308 one_cmplsi2_not_liveg0 respectively, and create expander of original
2309 names which emit special rtl for TARGET_LIVE_G0.
2310 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2311 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2312 gen_compare_reg, FAIL instead.
2313 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2314 values when trying to reverse condition codes, if they FAIL then
2316 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2317 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2318 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2319 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2320 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2321 set output string to # to indicate they are mandatory splits.
2322 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2323 pic_sethi_di, move_pic_label_si): Remove.
2324 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2325 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2327 (define_expand movsi_pic_label_ref, define_insn
2328 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2329 expander and insns to handle PIC label references and deferred
2331 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2333 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2334 Rewrite to not use emit_move_sequence, make use of new constant
2335 formation code, and new splits for all multi-insn cases.
2336 (define_insn movqi_insn): Remove sethi case, it can never happen.
2337 Use reg_or_zero_operand instead of const0_rtx explicit test,
2338 use input_operand instead of move_operand for source, and use
2339 general_operand now for dest.
2340 (define_insn movhi_insn): Similar but leave sethi case.
2341 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2342 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2343 movhi_lo_sum respectively, prettify output string.
2344 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2345 register when needed on TARGET_LIVE_G0.
2346 (define_insn movsi_insn): Use general_operand and input_operand
2347 for dest and src respectively. Simplify applicability test.
2348 Prettify output strings, and add clr alternative for J
2350 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2351 deprecated std and reg-reg DI moves): Remove and...
2352 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2353 implementation which uses forced splits for all non-single insn
2355 (define_split DI move cases on !arch64): New splits to handle all
2356 situations of 64-bit double register DImode on 32bit, and
2357 unaligned registers and memory addresses for all subtargets.
2358 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2360 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2361 input_operand for dest and src respectively, prettify output
2363 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2364 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2366 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2367 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2368 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2369 movtf_no_e_insn_sp64) Replace with new
2370 implementation which uses forced splits for all non-single insn
2372 (define_split DF move cases): New splits in similar vein to DI
2374 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2375 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2376 movdi_sp64_insn): Remove old v9 code model and constant loading
2378 (define_insn pic_lo_sum_di, pic_sethi_di,
2379 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2380 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2381 embmedany_sethi, embmedany_losum, embmedany_brsum,
2382 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2383 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2384 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2385 scheme, using unspecs, secondary reloads, and one to one sparc
2386 insn to rtl insn mapping for better scheduling and code gen.
2387 (define_expand reload_indi, reload_outdi): Reload helpers for
2388 MEDANY and EMBMEDANY symbol address loading cases which require a
2390 (define_expand movsicc): Remove v8plus_regcmp cases.
2391 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2392 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2393 cmp_diqi_trunc_set): New patterns used by some of the new scc
2395 (define_insn xordi3_sp64_dbl): New pattern used for constant
2396 formation when crossing from 32-bit targets.
2397 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2399 (define_insn addx, subx): Make visible and prettify.
2400 (define_insn adddi3_insn_sp32): Likewise and force split.
2401 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2402 64bit scc split usage.
2403 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2404 zero_extend, subdi3): Force and implement splits.
2406 * final.c (final_scan_insn): Don't output labels if target
2407 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2410 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2411 don't forget to walk inside SEQUENCESs too as these are what the
2412 delay slot scheduler will create.
2414 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2416 * alpha.md (extxl+1,+2): New patterns to work around
2419 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2421 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2422 caused bad assembly code to be generated.
2424 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2426 * netbsd.h: Fix typo.
2428 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2430 * config.sub: Fix typo.
2432 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2434 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2436 (Running Protoize): Typo: Change "ther" into "other".
2438 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2440 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2441 * m68k/netbsd.h: Likewise.
2442 * ns32k/netbsd.h: Likewise.
2443 * sparc/netbsd.h: Likewise.
2445 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2447 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2448 * ginclude/va-clipper.h (va_list): Likewise.
2450 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2452 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2453 load/store multiple instructions unless user overrides.
2455 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2457 * ns32k/netbsd.h: Fix typo.
2459 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2461 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2462 labels with .debugsym if no parallel insns.
2464 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2466 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2467 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2469 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2471 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2472 (AR_FOR_TARGET): Define.
2474 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2476 * dyn-string.h: New file.
2477 * dyn-string.c: Likewise.
2478 * Makefile.in (OBJS): Add dyn-string.o.
2479 (dwarf2out.o): Add dyn-string.h dependency.
2480 (dyn-string.o): List dependencies.
2481 * dwarf2out.c: Include dyn-string.h.
2482 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2483 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2484 prototype. Use dyn_string_append rather than strcat, throughout.
2485 (addr_to_string): Use dyn_string_t.
2487 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2489 Function entry/exit profiling instrumentation:
2490 * expr.h (profile_function_entry_libfunc,
2491 profile_function_exit_libfunc): Declare new variables.
2492 * optabs.c: Define them here.
2493 (init_optabs): Initialize them.
2494 * tree.h (struct tree_decl): New flag
2495 no_instrument_function_entry_exit.
2496 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2497 * c-decl.c (duplicate_decls): Merge it.
2498 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2499 (init_attributes): Use it for "no_instrument_function".
2500 (decl_attributes): Handle it, for functions that have not yet been
2501 compiled. Set decl flag.
2502 * flags.h (flag_instrument_function_entry_exit): Declare new
2504 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2505 (f_options): New option "instrument-functions".
2506 * function.h (struct function): New field instrument_entry_exit.
2507 * function.c (current_function_instrument_entry_exit): New
2509 (push_function_context_to, pop_function_context_from): Save and
2511 (expand_function_start): Set current_ variable, maybe emit return
2512 label and entry profile call.
2513 (expand_function_end): Maybe emit exit profile call.
2515 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2517 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2518 NON_QI_REG_P, pretend the register is SImode.
2520 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2522 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2523 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2524 manufacturer id for ns32k.
2525 * configure: Regenerated.
2526 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2527 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2528 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2529 * config/m68k/netbsd.h: Same.
2530 * config/ns32k/netbsd.h: Same.
2531 * config/sparc/netbsd.h: Same.
2533 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2535 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2536 or UNROLL_COMPLETELY loop that starts with a jump to its
2539 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2541 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2542 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2543 (print_operand, case 'B'): Don't fall through.
2544 (print_operand, case 'S'): Correct mask begin/end computation.
2545 Use HOST_BITS_PER_WIDE_INT.
2546 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2547 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2548 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2549 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2551 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2553 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2554 constraint from second alternative.
2556 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2558 * configure.in: Fix --without/--disable cases for local-prefix,
2559 gxx-include-dir and checking.
2561 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2563 * configure.in (enable_haifa): Set by default for sparc64 too.
2566 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2568 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2569 * i386/winnt.c (associated_type): New fn.
2570 (i386_pe_valid_type_attribute_p): New fn.
2571 (i386_pe_check_vtable_importexport): Remove.
2572 (i386_pe_dllexport_p): Use associated_type.
2573 (i386_pe_dllimport_p): Likewise.
2575 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2576 * i386.c (i386_valid_type_attribute_p): Also accept
2577 attributes for METHOD_TYPEs.
2579 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2581 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2583 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2585 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2587 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2588 them from generating a new base name for each occurence of
2591 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2593 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2595 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2599 * cplus-dem.c (type_kind_t): New type.
2600 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2601 on this paramter, rather than demangling the type again.
2602 (demangle_integral_value): Pass tk_integral.
2603 (demangle_template_: Pass the value returned from do_type.
2604 (do_type): Return a type_kind_t. Pass tk_integral to
2605 demangle_template_value_parm for array bounds.
2606 (demangle_fund_type): Likewise.
2608 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2610 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2613 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2615 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2617 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2619 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2621 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2624 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2626 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2627 (DEBUGGER_ARG_OFFSET): Likewise.
2629 * mn10300.md (movsf): Remove last change. Not needed.
2631 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2633 * c-lex.c (yylex): Fix boundary conditions in character literal and
2634 string literal loops.
2636 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2638 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2639 being invoked incorrectly.
2641 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2642 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2644 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2645 * configure.in: Added i[34567]86-*-win32
2646 * config.sub: Ditto.
2647 * configure: Rebuilt.
2649 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2651 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2652 the frame pointer and compiling PIC code and reload has not completed.
2654 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2657 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2659 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2661 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2663 * Makefile.in (install-info): Only try to update the info
2664 directory file if it exists in the first place.
2666 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2668 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2670 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2672 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2673 CONST_DOUBLE source.
2675 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2677 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2678 strings as the insertion of USER_LABEL_PREFIX.
2679 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2681 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2684 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2686 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2687 already defined type.
2689 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2691 * expr.c (check_max_integer_computation_mode): Allow conversions
2692 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2693 (expand_expr): Likewise.
2695 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2697 * expr.c (expand_expr): Expand RETURN_EXPR.
2699 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2701 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2703 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2705 * dwarf2out.c (output_aranges): Call stripattributes
2706 for TEXT_SECTION references.
2707 (output_line_info): Likewise.
2709 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2711 * profile.c (branch_prob): Call allocate_reg_info after outputting
2712 profile rtl in instrument_arcs.
2714 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2716 * fixinc.irix (math.h): Install wrapper instead of copying.
2718 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2720 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2721 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2722 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2723 lang_flag_0. Added documentation in the flag table.
2725 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2727 * cccp.c (do_include): Fix vax c style include handling.
2729 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2731 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2733 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2735 * fold-const.c (non_lvalue): Don't deal with null pointer
2737 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2739 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2741 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2742 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2743 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2744 (u_short_cint_operand): Same.
2745 (reg_or_cint_operand): Same.
2746 (logical_operand): Same.
2747 (input_operand): Same.
2748 (reg_or_short_operand): Use u_short_cint_operand.
2750 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2752 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2753 but keep the insns and splits. Adjust so when the ultimate destination
2754 is memory, use cvtql.
2756 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2758 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2760 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2762 * gcc.c (do_spec): Call "error" not "warning".
2764 * configure.in: Fix minor problems with gas feature detection code.
2765 * configure: Rebuilt.
2767 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2770 * gcc.c: Delete %[spec] support.
2771 (do_spec_1, case '('): Likewise.
2772 (do_spec_1, case '['): Call error.
2774 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2776 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2777 (CPP_SUBTARGET_SPEC): Default to empty string.
2778 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2779 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2780 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2781 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2783 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2784 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2785 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2786 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2787 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2788 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2789 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2790 * alpha/vxworks.h: Likewise.
2792 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2794 * mips.md (reload_outsi): Added missing REGNO call.
2795 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2797 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2798 another match_operator and compare the codes.
2800 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2802 * MIPS multiply pattern fixes:
2803 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2804 Add union classes for HI, LO, or HILO plus general registers.
2805 (GENERATE_MADD): Deleted.
2806 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2807 Add TARGET_MAD to condition.
2808 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2809 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2810 "*d" for accumulator, to give preference to LO initially but not
2813 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2815 * configure.in (enable_c_mbchar): New configure option.
2816 (extra_cpp_objs): Always available now.
2818 * cexp.y (mbchar.h): #include it.
2819 (yylex): Handle Multibyte characters in character literals.
2821 * cccp.c (mbchar.h): #include it.
2822 (main): Set character set based on LANG environment variable.
2823 (rescan): Handle multibyte characters in comments.
2824 (skip_if_group): See above.
2825 (validate_else): See above.
2826 (skip_to_end_of_comment): See above.
2827 (macarg1): See above.
2828 (discard_comments): See above.
2829 (rescan): Handle multibyte characters in string and character literals.
2830 (collect_expansion): See above.
2831 (skip_quoted_string): See above.
2832 (macroexpand): See above.
2833 (macarg1): See above.
2834 (discard_comments): See above.
2835 (change_newlines): See above.
2837 * c-lex.c (mbchar.h): #include it.
2838 (GET_ENVIRONMENT): New macro.
2839 (init_lex): Set character set based on LANG environment variable.
2840 (yylex): Handle multibyte characters in character literals.
2841 (yylex): Handle multibyte characters in string literals.
2843 * Makefile.in (mbchar.o): New target.
2844 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2845 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2847 * mbchar.[ch]: New files for multibyte character handling.
2849 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2851 * jump.c (jump_optimize): When simplifying noop moves and
2852 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2853 the PUSHes to rewrite in second loop as we did in the first.
2855 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2857 * cplus-dem.c (demangle_nested_args): Make function definition
2858 static to match the prototype.
2860 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2862 * alloca.c: Respect USE_C_ALLOCA.
2863 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2864 * gengenrtl.c (xmalloc): Likewise.
2866 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2868 * loop.h (struct induction): Add no_const_addval.
2869 * loop.c (the_movables, reg_address_cost): New variables.
2870 (init_loop): Init reg_address_cost.
2871 (loop_optimize): Call end_alias_analysis.
2872 (scan_loop): Init the_movables.
2873 (record_giv): Init induction->no_const_addval.
2874 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2875 [REG]: Rearrange loop search test to catch more cases.
2876 (general_induction_var): Return success not benefit; take an extra
2877 argument for that. Change all callers.
2878 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2879 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2880 [default]: Search the_movables for additional combinations.
2881 (sge_plus_constant, sge_plus): New functions.
2882 (express_from_1): New function.
2883 (express_from): Always define. Rewrite using express_from_1.
2884 (combine_givs_p): Handle more cases. Ignore address cost.
2885 (cmp_combine_givs_stats): New function.
2886 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2887 (combine_givs): Rewrite to do best-fit combination.
2889 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2890 (fold): Do a complete (A*C)+(B*C) association check.
2892 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2894 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2896 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2898 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2900 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2902 * tree.c (valid_machine_attribute): Only create a new type variant if
2903 there is a decl to use it.
2905 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2907 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2910 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2912 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2915 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2917 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2918 Simplify tests for clearing an address register.
2919 (expand_prologue): Corresponding changes.
2921 * mn10300.md (movXX patterns): Make sure the destination is an
2922 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2923 (logical patterns): Split into expanders + patterns
2924 (zero and sign extension patterns): Similarly.
2925 (shift patterns): Similarly.
2927 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2929 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2930 for the sequence, recording base values.
2932 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2934 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2936 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2938 * gcc.c: Remove ANSI-C ism from --help code.
2940 * toplev.c: Support --help with USE_CPPLIB.
2942 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2944 * configure.in: Rework gas feature code to work with symlink based
2947 * extend.texi: Clarify some issues related to local variables
2948 assigned to explicit registers.
2950 * mn10300.md (mulsi): Turn into expander + pattern.
2952 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2955 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2957 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2959 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2961 * version.c: Bump again to distinguish mainline tree from the
2964 See ChangeLog.0 for earlier changes.
2967 add-log-time-format: current-time-string