1 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
3 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
4 as the threshold to permit splitting memory operations.
6 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
8 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
9 (LIBGCC2_CFLAGS): Remove -fexceptions.
10 (LIB2FUNCS): Remove "_eh".
11 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
14 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
15 * local-alloc.c (block_alloc): Avoid creating false
16 dependencies for targets which use instruction scheduling.
18 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
20 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
21 (ASM_FINISH_DECLARE_OBJECT): Define;
22 * mips/elf64.h: Likewise.
24 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
26 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
28 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
30 * version.c: Bump for snapshot.
32 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
34 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
35 (mulsidi3_ppc64): Delete.
37 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
39 * Makefile.in (varasm.o): Depend on dbxout.h.
40 (cse.o): Depend on toplev.h and output.h.
41 (gcse.o): Depend on output.h.
43 * mips.c: Include system.h and toplev.h and remove redundant code.
44 Include output.h after tree.h so all its prototypes get activated.
45 * mips.md (table_jump): Remove unused variable `dest'.
47 * sparc.h: Add prototype for `v8plus_regcmp_op'.
49 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
50 with __attribute__ ((__unused__)).
51 (__frame_dummy): Provide prototype before use, wrap it with
52 EH_FRAME_SECTION_ASM_OP.
54 * cse.c: Move inclusion of <setjmp.h> above local headers.
55 Include toplev.h and output.h.
57 * dbxout.h: Add prototype for `dbxout_begin_function'.
59 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
60 ASM_OUTPUT_MAX_SKIP_ALIGN.
62 * gcse.c: Include system.h and output.h.
63 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
64 Make extern instead of static.
65 (compute_can_copy): Only declare variables `reg' and `insn' when
66 AVOID_CCMODE_COPIES is not defined.
67 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
68 (hash_scan_clobber): Likewise for `x' and `insn'.
69 (hash_scan_call): Likewise.
70 (record_last_set_info): Likewise for `setter'.
71 (mark_call): Likewise for `pat'.
72 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
74 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
75 length parameter so that it multiplies the number of elements by
78 * output.h: Add prototype for `weak_finish'.
80 * recog.h: Likewise for `validate_replace_src'.
82 * rtl.h: Likewise for `optimize_save_area_alloca',
83 `fix_sched_param', `purge_addressof', `gcse_main',
84 `regmove_optimize', `dbr_schedule', `branch_prob' and
87 * toplev.h: Likewise for `set_float_handler' and
88 `output_quoted_string'.
90 * varasm.c: Include dbxout.h.
92 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
94 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
95 GP_REG_P. Use gr_regs instead of GR_REGS.
97 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
98 Jeff Law <law@cygnus.com>
100 * Revamped multiply support for MIPS chips.
101 * mips.c (extend_operator): New function.
102 (highpart_shift_operator): Likewise.
103 * mips.h: Declare new functions.
104 (PREDICATE_CODES): Add support for new predicates.
105 * mips.md (mulsi3 expander): Simplify.
106 (mulsi_mult3): Add another constraint alternative. Support
107 3 operand multiply instructions as found on various mips
109 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
110 (mul_acc_si): New pattern and associated splitters.
111 (mulsidi3 expander): Rework to use mulsidi3_64bit and
113 (umulsidi3): New expander.
114 (mulsidi3_internal): Accept either sign or zero extended
115 operands and generate code as appropriate appropriately.
116 (mulsidi3_64bit): Similarly.
117 (smulsi3_highpart): Turn into an expander and generate code
118 to match new patterns.
119 (umulsi3_highpart): Likewise.
120 (xmulsi3_highpart_internal): New pattern.
121 (maddi patterns): Delete. Replace with:
122 (mul_acc_di, mul-acc_64bit_di): New patterns.
124 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
126 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
127 flag_new_exceptions runtime flag.
128 (struct old_exception_table): New struct which represents what
129 the exception table looks like without the new model.
130 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
131 flag that this is a new style table.
132 * except.h: Remove compile time flag NEW_EH_MODEL.
133 (expand_builtin_eh_stub_old): New prototype.
134 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
135 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
136 * c-decl.c (init_decl_processing): Add new builtin function
137 __builtin_eh_stub_old.
138 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
139 * flags.h (flag_new_exceptions): New runtime flag.
140 * toplev.c (flag_new_exceptions): Initialize default to 0,
141 -fnew-exceptions sets to 1.
142 * except.c (output_exception_table_entry): Output New style exception
143 identifier into table, and replace compile time flag NEW_EH_MODEL
144 with runtime flag flag_new_exceptions.
145 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
146 (expand_builtin_eh_stub_old): Duplicates original functionality of
147 expand_builtin_eh_stub.
148 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
149 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
150 (old_find_exception_handler): New func, same as find_exception_handler
151 except it works on the old style exception table.
152 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
153 of identifier in the exception table, and call appropriate routines.
155 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
157 * function.c: Define current_function_cannot_inline.
158 (push_function_context_to): Save it.
159 (pop_function_context_from): Restore it.
160 * function.h (struct function): Provide it a home.
161 * output.h: Declare it.
162 * integrate.c (function_cannot_inline_p): Check it.
164 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
166 * expr.c (force_operand): Detect PIC address loads before
167 splitting arithmetic.
169 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
171 * version.c: Bump for snapshot.
173 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
175 * tree.c (tree_class_check): Add braces to eliminate ambigious
177 (tree_check): Likewise.
179 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
181 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
182 stack is the destination for conditional move insn.
184 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
186 * tree.h (TREE_VEC_END): Cast unused value to void.
188 * i386.c (print_operand): Use %lx for long operand.
190 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
192 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
194 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
196 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
197 conversion functions.
199 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
201 * toplev.c (flag_exceptions): Default to 0.
202 (compile_file): Remove flag_exceptions == 2 hack.
203 (main): Call lang_init_options.
204 * tree.h: Declare it.
205 * c-lang.c: Implement it.
206 * objc/objc-act.c: Likewise.
208 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
210 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
211 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
212 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
213 (output_function_profiler): Use asm_fprintf and fputs.
215 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * gencheck.c: Remove redundant stdio.h include. Add a definition
218 of xmalloc for when we are forced to link with alloca.o.
220 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
223 * fold-const.c (constant_boolean_node): Make definition static to
226 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
228 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
229 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
230 (do_spec, input_filename, input_filename_length): Make public.
231 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
232 Call lang_specific_pre_link befor elinking.
234 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
236 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
237 the insn which has the most insns dependent on it.
239 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
241 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
243 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
245 * alpha.md (insxh-1): New insxl pattern for combine.
247 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
249 * i386/i386.c (output_fp_conditional_move): New function
250 to output floating point conditional move.
251 (output_int_conditional_move): New function to output integer
254 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
255 output_int_conditional_move () to output int conditional move.
256 (movsfcc+5, movdfcc+5, movxfcc+5): Call
257 output_fp_conditional_move () to output floating point
260 * i386/i386.c (put_condition_code): In INT mode, check
261 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
263 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
265 * dbxout.c (dbxout_type): Output arrays of bits as if
266 they were bitstrings for Chill
268 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
270 * tree.c (get_inner_array_type): New function.
271 * tree.h (get_inner_array_type): Prototype.
272 * expr.h (STACK_SAVEAREA_MODE): New macro.
273 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
275 (expand_builtin_longjmp): Likewise.
276 * explow.c (emit_stack_save): Likewise.
277 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
279 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
280 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
281 * rs6000/aix43.h: New file.
282 * rs6000/t-aix43: New file.
283 * rs6000/x-aix41: New file.
284 * rs6000/x-aix43: New file.
285 * configure.in (rs6000-ibm-aix*): Use them.
286 * rs6000/powerpc.h: Delete.
287 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
288 * rs6000/netware.h: and here.
289 * rs6000/win-nt.h: and here.
291 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
293 (rs6000_override_options): Ignore flag_pic for AIX.
294 (rs6000_immed_double_const): Delete.
295 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
296 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
297 (num_insns_constant): mask64_operand() is 2 insns.
298 (logical_operand): Don't assume 32-bit CONST_INT.
299 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
300 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
301 (mask_constant): HOST_WIDE_INT parameter.
302 (non_and_cint_operand): Delete.
303 (mask64_operand): New function.
304 (and64_operand): New function.
305 (function_arg_advance): DImode arguments do not need special
306 alignment when 64-bit.
307 (function_arg): Likewise.
308 (setup_incoming_varargs): Reverse reg_size assignment.
309 (print_operand): HOST_WIDE_INT second parameter.
310 (print_operand, 'B'): New case.
311 (print_operand, 'M'): Fix typo in lossage string.
312 (print_operandm 'S'): New case.
313 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
314 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
315 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
316 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
317 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
318 (rs6000_allocate_stack_space): Use {cal|la}.
319 (output_epilog): Use {cal|la}
320 (output_function_profiler): Add call glue to mcount call.
321 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
323 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
324 (STACK_BOUNDARY): Depend on TARGET_32BIT.
325 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
326 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
327 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
329 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
330 (STACK_SAVEAREA_MODE): New macro.
331 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
332 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
333 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
334 (ASM_FILE_START): Emit 64-bit ABI directive.
335 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
336 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
337 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
338 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
340 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
341 Restore define_splits.
342 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
343 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
344 Do not specify base register operand mode.
345 (floatsidf2_loadaddr): Do not specify base register operand mode.
346 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
347 register; do not specify mode. Remove !TARGET_POWERPC64 final
349 (floatsidf2_load): Do not specify base register operand mode. Remove
350 !TARGET_POWERPC64 final constraint.
351 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
352 base register operand mode.
353 (adddi3): Split large constants early.
354 (absdi3): Shift by 63, not 31.
355 (*mulsidi3_ppc64): New pattern.
356 (rotldi3): Add masking combiner patterns.
357 (anddi3): Add rldic{r,l} masking. Remove split of large constants
358 because PPC insns zero-extend.
359 (iordi3, xordi3): Split large constants early.
360 (movsi matcher): Remove S and T constraints.
361 (movsf const_double): create SImode constant from TARGET_DOUBLE.
362 (movdf_hardfloat32): Add default abort() case.
363 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
364 (movdi): Remove 64-bit constant generator. Try to convert
365 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
366 (movdi_32): Add default abort() case.
367 (movdi_64): Add numerous ways to split 64-bit constants.
368 Make catch-all define_split more optimal and never FAIL.
369 (movti_ppc64): Add default abort() case.
370 (allocate_stack): Remove operand modes. Use Pmode.
371 (restore_stack_block): Remove operand modes. Generate Pmode
373 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
374 temporary. Save area is double Pmode.
375 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
376 (call, call_value): Do not specify address operand mode. Choose
378 (*call_local64, *ret_call_local64): New patterns.
379 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
380 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
381 (compare): Materialize DImode truthvalues.
383 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
385 * expr.c (safe_from_p): Avoid combinatorial explosion
386 over duplicate SAVE_EXPRs by ensuring we never recurse
387 on one that has already been visited.
389 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
391 * loop.c (check_dbra_loop): Initialise final_value before
392 normalizing the loop.
394 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
396 * reload1.c (reload_reg_free_for_value_p): New arguments out and
397 reloadnum. Changed all callers.
399 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
401 * system.h: Add _() and N_() macros in preparation for gettext.
403 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
405 * c-common.c (check_format_info): Put back check for C9x `hh'
406 length modifier. Warn about %n format writing into const. Remove
408 (format_char_info): Fix comments.
410 * configure.in: Set float_format to m68k for all m68k targets that
411 do not override LONG_DOUBLE_TYPE_SIZE.
412 * config/float-m68k.h: New file.
414 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
416 * jump.c (jump_optimize): Remove debug messages accidentally left in
417 with the previous change.
419 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
421 * expr.c (store_expr): Revert stray patch associated with
424 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
426 * jump.c (rtx_unsafe_p): New function.
427 (jump_optimize): Use it on if/then/else transformations and
428 conditional move transformations.
430 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
432 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
433 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
434 Cope with CONST being out of range for the bitfield.
436 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
438 * expr.c (emit_move_insn_1): When moving complex values in several
439 steps, emit a CLOBBER to show the destination dies.
441 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
443 * Makefile.in (site.exp): Use the object testsuite directory as
444 the temporary directory.
446 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
447 address of an ADDRESSOF rtx.
449 1998-06-02 Mike Stump <mrs@wrs.com>
451 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
452 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
453 * i960.md (ret, flush_register_windows): Define.
454 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
456 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
458 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
460 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
461 around an OSF/1 library bug wrt sign-extension of inputs.
463 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
465 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
467 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
469 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
471 * varasm.c (assemble_variable): Augment alignment warning.
473 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
475 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
476 in the presence of IEEE negative 0's.
478 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
480 * reload.c (find_reloads): Record the existing mode if
481 operand_mode == VOIDmode before replacing a register with
483 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
484 i386_compare_op1 to const0_rtx for the benefit of the
485 conditional move patterns.
486 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
487 based on suggestions from Jim Wilson.
489 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
491 * version.c: Bump for snapshot.
493 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
495 * Makefile.in (fixinc.sh): Update rules again.
497 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
499 * extend.texi: Bring back reference to trampoline paper.
501 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
503 * Makefile.in (USER_H): Add stdbool.h.
504 * ginclude/stdbool.h: New file.
506 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
508 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
511 * gcse.c (pre_delete): Fix code to determine the mode of
512 the reaching pseudo register.
514 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
516 * Makefile.in (GEN): Add gencheck
517 (STAGESTUFF): Add tree-check.h and gencheck.
519 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
521 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
522 (fixinc.sh): Set some additional environment variables before
525 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
527 * reload.c (find_reloads): Do not force a reloads of match_operators.
529 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
531 * except.h (remove_handler): Add new prototype.
532 * except.c (remove_handler): New function to remove handlers
533 from an exception region.
534 * flow.c (find_basic_blocks_1): Remove handlers from regions when
535 handler label is deleted; remove exception regions with no handlers.
537 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
539 * except.h (rtx): Define rtx type correctly if needed.
540 * function.h (rtx): Ditto.
541 (tree): Define tree type correctly if needed.
543 * c-pragma.c (toplevel): Include rtl.h.
545 * stor-layout.c (toplevel): Move include of rtl.h before
548 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
549 (tree.o): Add except.h dependency.
551 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
553 * reload1.c: Revert accidental checkin.
555 * configure.lang: Fix thinko when adding a definition for
556 target_alias to the Makefile.
558 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
560 * config/sparc/lb1spc.asm (.rem and .urem): Replace
563 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
565 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
566 variable warnings. Don't generate scratch registers if only
568 (find_barrier): Eliminate unused variable SRC.
570 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
572 * toplev.h (rtx_def): Provide global declaration to avoid
573 `limited scope' warnings.
575 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
577 * Makefile.in (gencheck.o): Use HOST_CC.
578 * i386/t-mingw32: New file.
579 * configure.in (i386-*-mingw32*): Use.
581 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
583 * arm.c (bad_signed_byte_operand): New predicate function.
584 * arm.h (PREDICATE_CODES): Add it to the list.
585 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
587 (define_split): Two new splits for above insns.
589 * arm.c: Include toplev.h.
590 (arm_override_options): Add parentheses around use of tune_flags.
591 (arm_split_constant): Remove unused variable.
592 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
593 (output_func_prologue, arm_expand_prologue): Likewise.
594 (arm_canonicalize_comparison): Make I unsigned; rework constants
595 accordignly. Add missing paratheses around << operation.
596 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
598 ({load,store}_multiple_sequence): Initialize BASE_REG.
599 (select_dominance_cc_mode): Add DEFAULT clauses.
600 (broken_move): Return zero if the destination is not a register.
601 (arm_reorg): Move unused REGNO declaration into the dead code.
602 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
604 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
606 * version.c: Bump for snapshot.
608 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
610 * version.c: Bump for snapshot.
612 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
614 * cpperror.c (v_cpp_message): Remove static prototype.
615 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
616 * cpplib.h (v_cpp_message): Add protoptype.
617 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
619 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
621 * version.c: Bump for snapshot.
623 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
625 * version.c: Bump for snapshot.
627 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
629 * m68k.h: Declare more functions used in macros.
630 (REG_CLASS_CONTENTS): Completely embrace initializer.
631 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
632 about returning no value.
633 * cse.c (find_best_addr): Declare p and found_better only if
635 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
636 * dwarfout.c (string_length_attribute): #if 0 away.
637 * function.c (expand_function_end): Define varible blktramp only
639 * jump.c (find_insert_position): Define only if !HAVE_cc0.
640 * loop.c (combine_givs_p): Define variable tem only if needed.
641 * real.c: Comment out unused functions eabs, eround,
642 e{24,53,64,113}toasc and eiinfin.
645 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
647 * Makefile.in (boostrap2-lean, bootstrap3-lean,
648 bootstrap4-lean): New targets.
650 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
652 * warn_summary, test_summary: Moved into the contrib directory.
654 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
656 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
658 (FLOAT_H_TEST): Likewise.
660 (float.h-nat): Likewise.
661 (float.h-cross): Likewise.
663 (enquire.o): Likewise.
664 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
665 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
667 (FLOAT_H): Remove old float.h-nat version; move current definition
668 to CROSS_FLOAT_H location.
669 (all.cross): Remove comments about enquire stuff.
671 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
672 (rest.encap): Likewise.
673 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
675 * toplev.h (tree_node): Provide global declaration to avoid
676 `limited scope' warnings.
678 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
680 * test_summary: Display section breaks for each entry
681 in a multilibbed target's output.
683 1998-05-23 Richard Henderson <rth@cygnus.com>
685 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
686 offset's mode is not ptr_mode, convert it.
688 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
690 * fold-const.c (ssize_binop): New fn.
691 * tree.h: Declare it.
693 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
695 * genextract.c (print_path): Handle zero-length path as a special
698 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
700 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
702 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
704 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
705 (shorten_branches, final_scan_insn): Test value of
706 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
708 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
709 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
710 * arm/tcoff.h: Likewise.
711 * i386/386bsd.h: Likewise.
712 * i386/freebsd-elf.h: Likewise.
713 * i386/freebsd.h: Likewise.
714 * i386/netbsd.h: Likewise.
715 * i386/ptx4-i.h: Likewise.
716 * i386/sysv4.h: Likewise.
718 * rs6000/linux.h: Likewise.
719 * rs6000/rs6000.h: Likewise.
721 * sparc/sp64-elf.h: Likewise.
722 * v850/v850.h: Likewise.
723 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
724 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
726 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
728 * regmove.c (gen_add3_insn): New function.
729 (fixup_match_2): Use it instead of calling gen_addsi3.
731 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
733 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
735 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
738 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
740 * Makefile.in (TREE_H): Add tree-check.h.
741 (tree-check.h, gencheck): New targets.
742 * gencheck.c: New file.
743 * tree.c (tree_check, tree_class_check): New functions.
744 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
745 (TYPE_CHECK, DECL_CHECK): Define.
746 Modify all access macros to use generated checking macros.
748 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
750 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
751 * configure.in: Check for it.
752 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
753 * final.c (uid_align, uid_shuid, label_align): Make static.
754 (label_align): Change type to struct label_alignment pointer.
755 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
756 (LABEL_TO_MAX_SKIP): Define.
757 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
758 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
759 (shorten_branches): Record the maximum bytes to skip when
761 (final_scan_insn): Use the maximum bytes to skip when aligning a label
762 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
763 * i386.h (LOOP_ALIGN_MAX_SKIP,
764 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
765 * i386.c (override_options): i386_align_jumps and i386_align_loops
766 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
767 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
769 1998-05-21 Mark Mitchell <mmitchell@usa.net>
771 * cplus-dem.c (do_type): Handle volatile qualification.
773 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
775 * function.c (init_function_start): Don't call emit_line_note if
776 lineno is 0. (Can happen when compiling Java .class files.)
778 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
780 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
781 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
783 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
785 * combine.c (nonzero_bits): For paradoxical subregs, take
786 LOAD_EXTENDED_OP into account.
788 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
790 * configure.in (extra_c_objs): add prefix.o.
791 (extra_cxx_objs): extra objects for C++ with cpplib.
792 * configure: Regenerate.
794 * c-tree.h: (get_directive_line): Different prototype for cpplib.
795 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
797 * c-lex.h: (get_directive_line): Not needed here for cpplib.
799 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
800 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
802 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
803 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
805 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
807 * gengenrtl.c (type_from_format, accessor_from_format): Change
808 type of parameter `c' from `char' to `int'.
810 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
812 * warn_summary, test_summary: New scripts from
813 Kaveh Ghazi and Alexandre Oliva respectively.
815 * gcse.c (current_function_calls_longjmp): Declare.
817 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
819 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
821 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
822 Jeff Law (law@cygnus.com)
824 * Global CSE and constant/copy propagation.
825 * Makefile.in (OBJS): Add gcse.o
826 (STAGESTUFF): Add *.gcse.
827 (gcse.o): Add dependencies.
828 (mostlyclean): Remove *.gcse and */*.gcse.
830 * loop.c (loop_optimize): Move call to init_alias_analysis.
831 * recog.c (validate_replace_src): New function.
832 * toplev.c (gcse_dump): New global variable.
833 (flag_gcse, gcse_time): Likewise.
834 (compile_file): Initialize gcse_time and clean out the gcse dump
836 (rest_of_compilation): Call gcse_main as requested. Dump RTL
837 after gcse if requested.
838 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
840 * gcc.texi: Add gcse related internal documentation.
841 * invoke.texi: Note new command line options for gcse.
842 * tm.texi: Document AVOID_CCMODE_COPIES.
843 * mips.h (AVOID_CCMODE_COPIES): Define.
845 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
847 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
849 (stmp-fixproto): Simlarly for running fixproto.
850 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
852 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
854 * config/mips/mips.c (double_memory_operand): Accept any MEM during
855 reload when TARGET_64BIT.
857 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
859 Finish incomplete change started by Kenner.
860 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
861 (powerpcle-*-cygwin32): Delete xm_defines.
862 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
863 HAVE_STAB_H instead of NO_STAB_H.
864 * config/xm-linux.h (NO_STAB_H): Delete.
865 (HAVE_STAB_H): Undefine.
866 * config/i386/xm-go32.h (NO_STAB_H): Delete.
868 1998-05-19 Jim Wilson <wilson@cygnus.com>
870 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
871 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
873 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
875 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
877 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
879 * reload1.c (reload_reg_free_for_value_p): New function.
880 (allocate_reload_reg, choose_reload_regs): Use it.
882 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
884 * except.c (expand_start_catch): Correct logic for when to
885 generate a new handler label, and when to use the old one.
887 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
889 * Makefile.in (print-rtl.o): Depend on bitmap.h.
890 (dbxout.o): Depend on toplev.h.
891 ($(SCHED_PREFIX)sched.o): Likewise.
892 ($(out_object_file)): Likewise for system.h and toplev.h.
893 (cppmain.o): Depend on gansidecl.h.
894 (cpplib.o): Likewise.
895 (cpperror.o): Likewise.
896 (cppexp.o): Likewise.
897 (cpphash.o): Likewise.
898 (cppalloc.o): Likewise.
899 (fix-header.o): Depend on cpplib.h and cpphash.h.
900 (scan-decls.o): Depend on gansidecl.h.
902 * basic-block.h (free_regset_vector): Add prototype.
904 * cccp.c (check_precompiled): Mark parameter `fname' with
906 (do_assert): Likewise for `op' and `keyword'.
907 (do_unassert): Likewise.
908 (do_line): Likewise for `keyword'.
909 (do_error): Likewise for `op' and `keyword'.
910 (do_warning): Likewise.
911 (do_ident): Likewise for `keyword'.
912 (do_pragma): Likewise for `limit', `op' and `keyword'.
914 (do_if): Likewise for `keyword'.
917 (do_endif): Likewise.
919 * collect2.c (getenv): Remove redundant prototype.
920 (collect_exit, collect_execute, dump_file): Likewise.
921 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
922 (dump_prefix_list): Hide prototype and definition.
924 * sparc.c: Include toplev.h.
925 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
926 (symbolic_memory_operand): Likewise.
927 (sp64_medium_pic_operand): Likewise.
928 (data_segment_operand): Likewise.
929 (text_segment_operand): Likewise.
930 (splittable_symbolic_memory_operand): Likewise.
931 (splittable_immediate_memory_operand): Likewise.
932 (eq_or_neq): Likewise.
933 (normal_comp_operator): Likewise.
934 (noov_compare_op): Likewise.
935 (v9_regcmp_op): Likewise.
936 (v8plus_regcmp_op): Likewise.
937 (extend_op): Likewise.
938 (cc_arithop): Likewise.
939 (cc_arithopn): Likewise.
940 (small_int): Likewise.
941 (uns_small_int): Likewise.
942 (clobbered_register): Likewise.
943 (legitimize_pic_address): Likewise.
944 (delay_operand): Likewise.
945 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
947 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
948 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
950 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
952 * cppalloc.c: Include gansidecl.h.
954 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
955 (cpp_file_line_for_message): Mark parameter `pfile' with
957 (v_cpp_message): New function.
958 (cpp_message): Use it. Also convert to variable arguments.
959 (cpp_fatal): Likewise.
960 (cpp_pfatal_with_name): Constify parameter `name'.
962 * cppexp.c: Move gansidecl.h before cpplib.h.
963 * cpphash.c: Likewise.
964 * cpphash.h (hashf, delete_macro): Add prototypes.
966 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
967 cpplib.h. Don't include errno.h.
968 (update_path): Add arguments to prototype.
969 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
970 cpp_print_containing_files): Remove redundant prototypes.
971 (cpp_hash_cleanup, add_import, append_include_chain,
972 make_assertion, path_include, initialize_builtins,
973 initialize_char_syntax, finclude, validate_else, comp_def_part,
974 lookup_import, redundant_include_p, is_system_include,
975 read_name_map, read_filename_string, open_include_file,
976 check_macro_name, compare_defs, compare_token_lists,
977 eval_if_expression, change_newlines): Add prototype arguments.
978 (hashf): Remove redundant prototype.
979 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
980 conditional_skip, skip_if_group): Add prototype arguments.
981 (fdopen): Remove redundant prototype.
982 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
983 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
984 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
985 (struct directive): Add prototype arguments to function pointer
987 (handle_directive): Add missing arguments to call to `do_line'.
988 (do_include): Mark parameters `unused1' and `unused2' with
990 (do_line): Likewise for `keyword' and new parameters `unused1' and
992 (do_error): Likewise for `keyword'.
993 (do_warning): Likewise. Also add missing argument `pfile' in call
995 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
997 (do_ident): Likewise for `keyword', `buf' and `limit'.
998 (do_pragma): Likewise. Also add missing arguments in call to do_once.
999 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1001 (do_if): Likewise for `keyword'.
1002 (do_elif): Likewise.
1003 (eval_if_expression): Likewise for `buf' and `length'.
1004 (do_xifdef): Likewise for `unused1' and `unused2'.
1005 (do_else): Likewise for `keyword', `buf' and `limit'.
1006 (do_endif): Likewise.
1007 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1008 (cpp_handle_options): Remove superfluous NULL argument in call to
1010 (cpp_handle_options): Likewise.
1011 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1013 (do_unassert): Likewise.
1014 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1015 cpp_file_line_for_message.
1016 (v_cpp_error): New function.
1017 (cpp_error): Use it. Also accept variable arguments.
1018 (v_cpp_warning): New function.
1019 (cpp_warning): Use it. Also accept variable arguments.
1020 (cpp_pedwarn): Accept variable arguments.
1021 (v_cpp_error_with_line): New function
1022 (cpp_error_with_line): Use it. Accept variable arguments.
1023 (v_cpp_warning_with_line): New function.
1024 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1026 (cpp_pedwarn_with_line): Accept variable arguments.
1027 (cpp_pedwarn_with_file_and_line): Likewise.
1028 (cpp_error_from_errno): Constify parameter `name'. Add missing
1029 argument `pfile' in call to cpp_file_line_for_message.
1030 (cpp_perror_with_name): Constify parameter `name'.
1032 * cpplib.h: Define PARAMS() in terms of PROTO().
1033 (fatal): Remove redundant prototype.
1034 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
1035 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
1036 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
1037 cpp_fatal, cpp_message, cpp_pfatal_with_name,
1038 cpp_file_line_for_message, cpp_print_containing_files): Add
1039 arguments to prototypes.
1040 (scan_decls, cpp_finish): Add prototypes.
1042 * cppmain.c: Include gansidecl.h.
1043 (main): Remove unused variable `i'.
1045 * dbxout.c: Include toplev.h.
1047 * demangle.h (do_tlink, collect_execute, collect_exit,
1048 collect_wait, dump_file, file_exists): Add prototype.
1050 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
1051 prototype and definition.
1052 (gen_unspecified_parameters_die): Don't assign results of call to
1053 function new_die() to unused variable `parm_die'.
1054 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
1055 (dwarf2out_define): Likewise for `lineno' and `buffer'.
1057 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
1058 prototype and definition.
1059 (output_die): Add prototype arguments to function pointer arg.
1060 (output_unspecified_parameters_die): Mark parameter `arg' with
1063 * except.c (output_exception_table_entry): Remove unused variable
1066 * except.h (expand_fixup_region_start, expand_fixup_region_end):
1069 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
1071 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
1073 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
1074 before cpplib.h, include cpphash.h, remove redundant prototype of
1075 cpp_fatal, don't define `const', add a prototype for `fatal'.
1076 (cpp_file_line_for_message): Add missing arguments `pfile'.
1077 (v_cpp_message): New function.
1078 (cpp_message): Use it.
1079 (v_fatal): New function.
1080 (fatal, cpp_fatal): Use it.
1081 (cpp_pfatal_with_name): Constify parameter `name'.
1083 * flow.c (free_regset_vector): Remove redundant prototype.
1085 * function.c (round_down): Wrap prototype and definition with
1086 macro ARGS_GROW_DOWNWARD.
1087 (record_insns): Wrap prototype and definition with
1088 defined (HAVE_prologue) || defined (HAVE_epilogue).
1090 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
1092 * gen-protos.c: Include gansidecl.h.
1093 (hashf): Don't make it static, constify parameter `name'.
1095 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
1096 specifier %s in calls to function `fatal'.
1098 * haifa-sched.c: Include toplev.h.
1099 (find_rgns): Remove unused variable `j'.
1101 * integrate.c (note_modified_parmregs): Mark parameter `x' with
1103 (mark_stores): Likewise.
1105 * jump.c (mark_modified_reg): Likewise.
1107 * output.h (insn_current_reference_address): Add prototype.
1108 (eh_frame_section): Likewise.
1110 * print-rtl.c: Include bitmap.h.
1112 * reload1.c (reload): Wrap variables `note' and `next' in macro
1113 PRESERVE_DEATH_INFO_REGNO_P.
1114 (forget_old_reloads_1): Mark parameter `ignored' with
1116 (choose_reload_regs): Remove unused variable `in'.
1117 (reload_cse_invalidate_mem): Mark parameter `ignore' with
1119 (reload_cse_check_clobber): Likewise.
1121 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
1122 (mark_elimination): Fix typo in prototype.
1124 * scan-decls.c: Include gansidecl.h.
1126 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
1128 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
1130 * function.c (identify_blocks): Fix thinko when setting the
1131 block number for NOTE_INSN_BLOCK_END.
1133 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
1135 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
1138 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
1139 underscores for the prefixes to the names of the maths functions.
1141 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
1142 comment explaining why.
1144 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
1146 * tree.h (TYPE_SIZE_UNIT): New.
1147 (struct tree_type): Add size_unit member.
1148 * stor-layout.c (layout_type): Initialize it.
1149 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
1150 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
1152 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
1154 * stor-layout.c (layout_record): Fix off-by-one error when checking
1155 length of the TYPE_BINFO vector.
1157 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
1159 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
1160 function parameter passed in memory.
1162 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
1164 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
1165 Prototypes for externally used functions in respective C files.
1166 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
1167 final.c: Include above files.
1168 * Makefile.in (toplev.o): Add dependency for above four headers.
1169 (final.o): Likewise.
1170 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
1171 respective header files.
1173 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
1175 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
1176 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
1177 the build tree if they exist.
1178 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
1180 (objdir): Let configure substitute value.
1181 (FLOAT_H): Let configure select a pre-built version from the
1183 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
1184 * configure.in: Substitute for objdir.
1186 * Makefile.in (build_canonical, host_canonical): Let configure
1187 substitute values for these variables.
1188 * configure.in: Substitute for build_canonical, host_canonical
1189 and target_subdir in generated Makefile.
1191 * output.h (find_basic_blocks): Declare.
1192 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
1194 * Makefile.in (BISON): Use bison from the build tree if it exists.
1197 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
1199 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
1200 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
1201 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
1202 command line arguments to see if an executable is not being
1203 created, and if so - do not append the suffix.
1205 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
1208 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
1210 * i386.h (ALIGN_DFmode): Delete.
1211 (CONSTANT_ALIGNMENT): Define.
1212 * varasm.c (force_const_mem): Use it.
1214 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
1216 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
1217 using it with swap_condition, not before.
1219 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
1221 * alias.c (mode_alias_check): Delete.
1222 (true_dependence, anti_dependence, output_dependence): Revert April 21
1225 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
1227 * toplev.c (output_lang_identify): Enable prototype and definition.
1229 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
1231 * version.c: Bump for snapshot.
1233 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
1235 * alpha/osf.h (HAVE_STAMP_H): Define.
1237 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
1238 * configure.in (alpha*-*-netbsd*): New.
1239 Based on patches from Paul H. Anderson <pha@pdq.com>.
1241 * configure.in (alpha*-*-linux-*): Kill xm_defines.
1242 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
1243 * alpha/xm-linux.h: Remove file.
1245 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
1247 * dbxout.c (dbxout_parms): If mode of type of parameter living
1248 in memory doesn't match mode of DECL_RTL, make big endian correction.
1250 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
1252 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
1254 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
1256 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
1257 * stor-layout.c (layout_record): Set it.
1259 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
1261 * toplev.c (rest_of_compilation): Don't defer nested functions.
1263 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
1265 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
1266 to an 8-byte boundary if info_ptr->fpmem_p.
1268 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
1270 * loop.c (basic_induction_var): Added test preventing
1271 CCmode parameter passed to convert_modes().
1273 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1275 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
1276 input_filename and lineno around expand_expr call. Set them to values
1277 in WFL before expand_expr call.
1279 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1281 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
1283 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
1285 * fold-const.c (constant_boolean_node): New function.
1288 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1290 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
1291 Abort if trying to split kind 3 or 4 outside of combine.
1293 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
1295 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
1297 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
1299 * objc/Make-lang.in (OBJC_O): Add missing exeext.
1300 (libobjc.a, runtime-info.h): Likewise.
1302 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
1304 * i386.h (DATA_ALIGNMENT): Define.
1306 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1308 * reload1.c (delete_output_reload): Ignore single USE that
1309 was emitted for the pseudo use of this INSN.
1310 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
1311 remains, we can always delete OUTPUT_RELOAD_INSN.
1313 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
1315 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
1317 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
1319 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
1321 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1323 * eh-common.h: New file for basic EH data structures.
1324 * except.h: Various prototypes and structures for NEW_EH_MODEL
1325 * function.h (struct function): Add a struct eh_stack for the catch
1327 * except.c (gen_exception_label): New function to generate an
1329 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
1330 (push_entry): New function to push an existing entry onto a stack.
1331 (receive_exception_label): New function to emit the code required
1332 at the start of all catch blocks.
1333 (struct func_eh_entry): New structure for maintaining handlers
1334 associated with EH regions.
1335 (new_eh_region_entry): New function to register an EH region.
1336 (add_new_handler): New function to register a handler with a region.
1337 (get_new_handler): Creates anew handler entry for registering.
1338 (find_func_region): New function to convert a NOTE eh region number
1339 to an Eh region index.
1340 (get_first_handler): New function to get the first handler in a region.
1341 (clear_function_eh_region): New function to release memory.
1342 (duplicate_handlers): New function to duplicate a list of handlers.
1343 (expand_eh_region_end): Create a new region entry node as well.
1344 (expand_leftover_cleanups): Call receive_exception_label() and
1345 register the cleanup as a handler to the current region.
1346 (expand_start_catch): New function to start a catch clause.
1347 (expand_end_catch): New function to end a catch clause.
1348 (expand_start_all_catch): restructure to not do the equivilent of
1349 what expand_start_catch() does now. Push the exception region being
1350 handled onto the catch stack.
1351 (output_exception_table_entry): Issue an entry for each handler
1352 associated with a region.
1353 (set_exception_lang_code): New function for setting the language code.
1354 (set_exception_version_code): New function to set the version number.
1355 (output_exception_table): Output version and language codes.
1356 (find_exception_handler_labels): Find handler labels using new scheme.
1357 (is_exception_handler_label): New function, returns 1 if label is
1358 present as a handler in some exception region.
1359 (check_exception_handler_labels): Use the new scheme.
1360 (init_eh_for_function): Initialize the catch stack.
1361 (save_eh_status): Save the catch stack.
1362 (restore_eh_status): Restore the catch stack.
1363 (scan_region): Don't remove unreferenced handler label. Flow does it.
1364 (get_reg_for_handler): New function to get the eh_context pointer
1366 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
1367 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
1368 entry when processing END region rather that START region.
1369 * flow.c (find_basic_blocks_1): Find all potential handler regions
1370 now that we don't automatically know what the labels might be.
1371 Let scan_region() remove unreferenced EH BEGIN/END labels.
1372 * integrate.c (get_label_from_map): Put inlined labels onto the
1373 permanent obstack since we dont know which ones might be exception
1375 (save_for_inline_copying): Make new copies of all the handlers.
1376 (expand_inline_function): Make new copies of all the handlers.
1377 * libgcc2.c: Remove local struct decls, and include eh-common.h.
1378 (find_exception_handler): With NEW_EH_MODEL the first matching
1379 region we find is the right one. Add eh_info as a new parameter.
1380 (__throw): Pass eh_info to find_exception_handler. Set handler
1381 and pass use different regs under NEW_EH_MODEL.
1383 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
1385 * i960.h (hard_regno_mode_ok): Changed to function from array of
1387 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
1388 * i960.c (hard_regno_mode_ok): Changed to function from array of
1391 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1393 * reload.c (remove_replacements): New function.
1394 * reload.h (remove_replacements): Declare.
1395 * reload1.c (choose_reload_regs): Disable some reloads that
1396 belong to inherited reloads.
1398 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1400 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
1402 * reload1.c (merge_assigned_reloads): When merging, reset
1403 reload_spill_index for the eliminated reload.
1405 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
1407 * haifa-sched.c (schedule_insns): Fix merge goof.
1409 1998-05-13 Jim Wilson <wilson@cygnus.com>
1411 * varasm.c (make_decl_rtl): Revert April 1 change.
1412 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
1413 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
1414 Get function name from the SYMBOL_REF in the DECL_RTL, not from
1415 DECL_ASSEMBLER_NAME.
1416 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
1417 DECL_ASSEMBLER_NAME.
1419 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
1421 * i386.c (notice_update_cc, output_float_compare): Disable
1422 TARGET_CMOVE support.
1424 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
1425 Jeff Law <law@cygnus.com>
1427 * rtlanal.c (find_reg_note): Ignore notes that are not on on
1429 (find_regno_note): Likewise.
1431 * Makefile.in (stor-layout.o): Depend on except.h
1432 (varasm.o, function.o): Likewise.
1433 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
1435 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
1436 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
1437 ($(HOST_PREFIX_1)rtl.o): Likewise.
1438 ($(HOST_PREFIX_1)bitmap.o): New host object.
1439 * emit-rtl.c (toplevel): Include bitmap.h.
1440 (gen_rtx): Handle 't' and 'b' nodes.
1441 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
1442 Print block number for block begin/end notes. Print 't' type
1443 nodes as a pointer. Know that the 3rd argument of live range
1444 start/stop notes is really a range_info rtx. If type is 'b', print
1445 out argument as a bitmap.
1446 * rtl.c: Include bitmap.c.
1447 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
1448 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
1449 * rtl.def (RANGE_LIVE): New node to hold live information while we
1450 recalculate the basic blocks.
1451 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
1452 (RANGE_VAR): New node, to hold information saved in symbol node for New
1453 communicating live range information to the debug output functions.
1454 * rtl.h (rtunion_def): Add rttree and rtbit fields.
1455 (XBITMAP, XTREE): New accessor macros.
1456 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
1457 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
1458 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
1459 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
1460 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
1461 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
1462 (RANGE_INFO_*): Likewise.
1463 * sched.c (sched_analyze): Keep live range start/stop notes.
1464 (unlink_other_notes): Likewise.
1465 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
1466 (unlink_other_notes): Likewise.
1467 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
1468 (BLOCK_LIVE_RANGE_FLAG): Likewise.
1469 (DECL_LIVE_RANGE_RTL): Likewise.
1470 (struct tree_block): Add live_range_flag, live_range_var_flag,
1471 live_range_start and live_range_end.
1472 (struct tree_decl): Add live_range_rtl field.
1473 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
1474 (accessor_from_format): Likewise.
1476 * haifa-sched.c (schedule_block): Make verbose output line up.
1477 Also add a blank line in printing the individual ready lists.
1479 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
1482 (c-lex.o): Depend on output.h.
1483 (c-common.o): Likewise.
1485 (calls.o): Likewise.
1486 (integrate.o): Depend on toplev.h.
1487 (regclass.o): Depend on output.h.
1488 (final.o): Depend on reload.h.
1490 * c-common.c: Include output.h.
1491 (check_format_info): Remove unused variable `integral_format'.
1493 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
1494 `indent' with ATTRIBUTE_UNUSED.
1495 (print_lang_type): Likewise.
1496 (maybe_build_cleanup): Likewise for parameter `decl'.
1497 (copy_lang_decl): Likewise for parameter `node'.
1499 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
1500 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1501 with ATTRIBUTE_UNUSED.
1502 (lookup_interface): Likewise for parameter `arg'.
1503 (is_class_name): Likewise.
1504 (maybe_objc_check_decl): Likewise for parameter `decl'.
1505 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
1507 (maybe_objc_method_name): Likewise for parameter `decl'.
1508 (build_objc_string): Likewise for parameters `len' and `str'.
1510 * c-lex.c: Include output.h.
1512 * c-lex.h (position_after_white_space): Correct typo in prototype.
1514 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
1515 c_expand_end_cond, init_iterators): Add prototypes.
1517 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
1518 with ATTRIBUTE_UNUSED.
1520 * calls.c: Include output.h.
1522 * cccp.c (pipe_closed): Mark parameter `signo' with
1525 * combine.c: Move inclusion of expr.h to after insn-config.h.
1527 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
1528 as empty, rather define as ((void)0).
1530 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
1531 Add parentheses around assignment used as truth value.
1533 * cplus-dem.c (squangle_mop_up): Change return type to void.
1534 (internal_cplus_demangle): Remove unused parameter `options'.
1535 All callers changed.
1536 (cplus_demangle_opname): Remove function wide variable `int i' and
1537 replace with `size_t i' at each location where it is used.
1538 (cplus_demangle_opname): change type of `i' from int to size_t.
1540 * cppexp.c (right_shift): Mark parameter `pfile' with
1543 * cpphash.c (cpp_lookup): Likewise.
1544 (cpp_hash_cleanup): Likewise.
1546 * cpplib.c (parse_name): Add a prototype and make it static.
1547 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1548 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
1549 (macro_cleanup): Likewise for parameter `pfile'.
1550 (file_cleanup): Likewise.
1552 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
1553 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
1555 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
1556 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
1558 * cse.c (cse_check_loop_start): Mark parameter `set' with
1561 * dbxout.c (flag_minimal_debug, have_used_extensions,
1562 source_label_number): Move inside macro wrapper check against
1563 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
1565 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
1567 * except.h (doing_eh): Provide prototype.
1569 * expr.c: Move inclusion of expr.h to after insn-config.h.
1571 * final.c: Include reload.h.
1572 (shorten_branches): Cast the first argument of bzero to char *.
1574 * fix-header.c (cpp_print_containing_files): Mark parameter
1575 `pfile' with ATTRIBUTE_UNUSED.
1576 (cpp_fatal): Likewise.
1578 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
1581 * genattrtab.c (make_length_attrs): Change the type of variable
1582 `i' from int to size_t.
1583 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
1586 * genextract.c (main): When generating insn-extract.c, mark
1587 variable `junk' with ATTRIBUTE_UNUSED.
1589 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
1590 argument of bzero to char*.
1592 * integrate.c: Include toplev.h.
1594 * libgcc2.c: Wrap `struct exception_table' and
1595 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
1597 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
1599 * objc/objc-act.c: Include toplev.h.
1600 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1601 with ATTRIBUTE_UNUSED.
1602 (finish_protocol): Likewise for parameter `protocol'.
1604 * output.h (declare_weak): Add prototype.
1605 (decode_reg_name): Don't wrap with TREE_CODE macro.
1606 (assemble_alias): Add prototype.
1608 * regclass.c: Include output.h.
1610 * reload.h (reloads_conflict): Add prototype.
1612 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
1613 output_func_start_profiler): Add prototypes.
1615 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
1618 * scan-decls.c: Include scan.h.
1620 * scan.h (recognized_function, recognized_extern): Add prototypes.
1622 * stmt.c: Include output.h.
1624 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
1625 (output_lang_identify): Hide prototype and definition.
1626 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
1627 (pipe_closed): Likewise.
1629 * toplev.h (count_error, strip_off_ending, error_for_asm,
1630 warning_for_asm): Add prototypes.
1632 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
1634 * toplev.c (rest_of_compilation): "Charge" final for any time
1635 doing various cleanup operations after finishing compilation
1638 * flow.c (dump_flow_info): Also print number of sets and
1639 whether or not the pseudo is a user variable.
1641 * flow.c (reg_n_max): New global variable.
1642 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
1643 Delete regno_max variable.
1644 * regs.h (REG_N_CHECK): Define.
1645 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
1646 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
1647 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
1649 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
1651 * acconfig.h (ENABLE_CHECKING): Undefine.
1652 * configure.in (--enable-checking): New option.
1654 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1656 * reload1.c (merge_assigned_reloads): Can merge
1657 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
1658 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
1660 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
1662 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
1664 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1666 * reload1.c (gen_reload): Create REG_EQUIV notes.
1668 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1670 * reload1.c (reload): Fix check for USEs to use code of pattern.
1671 (choose_reload_regs): Remove dead variable use_insn.
1673 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
1675 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
1677 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
1679 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
1681 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
1682 (insn_{unit,issue_delay}): Ditto.
1683 (blockage_range): Ditto.
1684 (actual_hazard{,_this_instance}): Ditto.
1685 (schedule_unit): Ditto.
1686 (potential_hazard): Ditto.
1689 (queue_insn): Ditto.
1690 (birthing_insn_p): Ditto.
1691 (adjust_priority): Ditto.
1692 (get_block_head_tail): Ditto.
1693 (init_rgn_data_dependences): Ditto.
1695 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
1697 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
1699 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
1701 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
1703 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
1705 * config/mips/mips.md (dslot): Move after definition of "cpu"
1706 attribute. Handle r3900 case.
1708 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1710 * system.h: Define the STRINGIFY macro here.
1711 * protoize.c: Not here.
1712 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
1714 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
1716 * varasm.c (assemble_variable): Compute the alignment of the data
1717 earlier so that both initialized and uninitialized variables are
1718 effected by DATA_ALIGNMENT.
1719 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
1721 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
1723 * mips.c: Prototype static functions.
1725 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
1727 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
1728 Add explanatory comments.
1730 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
1732 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
1734 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
1736 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
1738 * varasm.c (make_decl_rtl): Disable April 1 change.
1740 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
1742 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
1744 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
1746 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
1747 * alpha.c (print_operand): Handle it.
1748 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
1749 related define_splits. Also add peepholes for SImode reload
1750 plus sign_extend lossage.
1752 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * genattr.c: Include stdarg.h/varargs.h. Change function
1755 `fatal' to use variable arguments instead of faking it with
1756 integer parameters. Provide a prototype which also
1757 checks the format specifiers using ATTRIBUTE_PRINTF_1.
1759 * genattrtab.c: Likewise.
1760 * gencodes.c: Likewise.
1761 * genconfig.c: Likewise.
1762 * genemit.c: Likewise.
1763 * genextract.c: Likewise.
1764 * genflags.c: Likewise.
1765 * genopinit.c: Likewise.
1766 * genpeep.c: Likewise.
1767 * genrecog.c: Likewise.
1768 * genoutput.c: Likewise. Similarly for function `error'.
1770 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1772 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
1773 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
1774 * configure.in: Use GCC_C_VOLATILE.
1775 * system.h (volatile): Define as empty if no volatile support is
1778 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
1780 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
1783 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
1785 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
1786 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
1787 the body of beq; additionally set the mode of the branch to CCmode for
1788 FP compares and not fast_math.
1789 (alpha_emit_conditional_move): Always use a compare insn for FP
1790 when not fast_math, as well as setting CCmode on the cmov.
1791 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
1793 * machmode.h (COMPLEX_MODE_P): New macro.
1795 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
1797 * haifa-sched.c (print_exp): Fix typo.
1799 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
1801 * version.c: Bump for snapshot.
1803 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
1805 * final.c (final_scan_insn): Call fatal_insn instead of abort if
1806 we could not split an insn when required to.
1808 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
1810 (peepholes): Disable peepholes that call dead_or_set_p.
1811 (movsi): Rewrite to handle addresses better after last change.
1812 Add define_split to split load of addresses in large/medium modes.
1813 (prologue): Call m32r_expand_prologue.
1814 (movsi_{push,pop}): Generators for push/pop.
1815 (movsi): Support PRE_{INC,DEC}, POST_INC.
1816 (mov{di,df}): Rewrite. Always split the insns.
1817 (movsf): Add define_split to get register load in correct mode.
1818 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
1819 (attributes): Rewrite attributes so that type indicates both the
1820 type and the length of the insn directly.
1821 (all insns): Change to use new type attributes.
1822 (debug): New attribute to convey whether -mdebug was used.
1823 (opt_space): New attribute to convey whether -Os was used.
1824 (function units): Loads are 3 cycles, not 2. Better classify all
1825 insns into short/long.
1826 (load/store/extend insns): Add separate case for load/store
1827 indirect operations without an offset.
1828 (divsi3): Division is a long operation, not short.
1830 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
1832 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
1833 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
1834 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
1835 operands with PRE_{INC,DEC}, POST_INC.
1836 (FUNCTION_PROFILER): Call abort instead of doing nothing.
1837 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
1839 (gen_split_move_double): Declare.
1840 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
1842 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
1843 emit_move_insn, build up SET's directly.
1844 (toplevel): Include system.h, not stdio.h.
1845 (move_double_src_operand): Allow any DF or DI mode constant.
1846 (gen_split_move_double): Split moves of DI or DF values into the
1847 appropriate moves, loads, or stores. Don't handle use of auto
1848 inc/dec if using dead index. Do handle overlapping moves, etc.
1849 (m32r_frame_info): Remove prologue_size field.
1850 (m32r_compute_frame_size): Don't calculate prologue size.
1851 (m32r_output_function_prologue): Change to pretty much a NOP.
1852 (m32r_expand_prologue): Expand prologue as a series of INSNs.
1853 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
1854 (m32r_print_operand_address): Ditto.
1856 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
1858 * reload1.c (emit_reload_insns): When performing expensive
1859 optimizations, do not output the last reload insn if OLD is
1860 not the dest of NSN and is in the src and is clobbered by INSN.
1862 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1864 * Makefile.in (genrtl.o): Depend on system.h.
1865 * gengenrtl.c (gencode): When creating genrtl.c, have it
1868 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1870 * config/m68k/t-linux: Remove extra stuff already included in
1873 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
1875 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
1876 curses.h if it contains `typedef char bool;', as suggested by
1877 Manfred Hollstein <manfred@s-direktnet.de>.
1879 * configure.in: Rename fixinc.math to fixinc.wrap.
1881 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
1883 * gcc.c (read_specs): Handle missing blank line at end of specs file.
1885 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
1886 movdfcc_1): Disable.
1888 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
1890 * configure.in (enable_threads): Rename to enable_threads_flag before
1891 main loop. Set enable_threads to enable_threads_flag inside main
1894 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
1896 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
1899 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1901 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
1903 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
1904 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
1905 (AC_CHECK_FUNCS): Remove unused check for vprintf.
1907 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
1908 (cccp.o): Depend on gansidecl.h.
1911 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
1912 per the rest of gcc source.
1913 * cexp.y: Likewise. Include gansidecl.h and remove all code made
1916 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
1917 used when vfprintf is missing.
1920 * genattrtab.c: Likewise.
1921 * mips-tfile.c: Likewise.
1922 * toplev.c: Likewise.
1924 * vfprintf.c: New file.
1925 * doprint.c: New file.
1927 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
1929 * config/linux.h (ASM_COMMENT_START): Remove from here,
1930 * config/linux-aout.h (ASM_COMMENT_START): and here,
1931 * config/i386/linux.h (ASM_COMMENT_START): to here,
1932 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
1933 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
1936 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1938 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
1941 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
1943 * Makefile.in (dwarfout.o) Add toplev.h dependency.
1944 * dwarfout.c, i386.c: Include toplev.h
1945 * toplev.h: (pfatal_with_name) Add prototype.
1947 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1949 * Makefile.in: Fix .SUFFIXES.
1951 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
1953 * config/linux.h (ASM_COMMENT_START): Define as "#".
1954 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
1956 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
1958 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
1959 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1961 * toplev.c: Include toplev.h.
1962 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
1963 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
1964 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
1965 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
1966 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
1967 toplev.h dependency.
1969 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
1970 HARD_FRAME_POINTER_REGNUM.
1972 * expr.c (target_temp_slot_level): Delete duplicate definition.
1974 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
1976 * stmt.c (mark_seen_cases): Make it have external linkage again.
1977 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
1980 * haifa-sched.c (print_value, case SUBREG): Fix typo.
1982 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
1983 * i386.h (REG_CLASS_CONTENTS): Similarly.
1985 * toplev.c (-fsched-max): Delete flag.
1986 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
1987 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
1988 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
1991 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
1992 inner loops which are not reducible.
1994 * loop.c (regs_match_p): Fix typo in prototype.
1996 * regmove.c (try_auto_increment): Wrap declaration inside an
1997 #ifdef AUTO_INC_DEC.
1999 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2001 * final.c (output_operand_lossage): Call fatal with the operand
2002 lossage message instead of calling abort.
2004 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2006 * c-common.c: Convert to using ctype macros defined in system.h.
2007 * c-lex.c: Likewise.
2009 * collect2.c: Likewise.
2010 * rs6000.c: Likewise.
2011 * cpplib.c: Likewise.
2012 * fix-header.c: Likewise.
2014 * gen-protos.c: Likewise.
2015 * pexecute.c: Likewise.
2016 * protoize.c: Likewise.
2020 * tlink.c: Likewise.
2021 * toplev.c: Likewise.
2023 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2025 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2026 Replace -gdwarf-2 with -g0.
2028 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2030 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2031 * mips-tdump.c: Include system.h, remove redundant headers.
2032 * mips-tfile.c: Likewise. Also, convert all ctype function calls
2033 to calls of the macro versions defined in system.h.
2035 * objc/Make-lang.in (objc-act.o): Depend on system.h.
2036 * objc/objc-act.c: Include system.h, remove redundant headers.
2038 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2040 * configure.in (AC_CHECK_FUNCS): Add isascii.
2041 (GCC_NEED_DECLARATIONS): Add atof.
2043 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
2044 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
2046 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2048 * system.h: Wrap time.h and sys/file.h in autoconf checks.
2049 Provide default definitions for O_RDONLY and O_WRONLY here.
2051 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
2053 1998-05-06 Mark Mitchell <mmitchell@usa.net>
2055 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
2057 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
2059 * toplev.h: New file. Protypes for functions in toplev.c.
2060 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
2061 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
2062 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
2063 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
2064 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
2065 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
2066 varasm.c: include it.
2068 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
2069 Jim Wilson (wilson@cygnus.com)
2071 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
2072 blocks. Check for 1 successor which is the EXIT_BLOCK.
2074 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
2075 unreachable loops with more than one block.
2077 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2079 * fix-header.c (write_rbrac): Add "abort" to functions which need to
2082 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
2084 * Check in merge from gcc2. See ChangeLog.12 for details.
2086 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
2088 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
2089 accept 'a' flag. 'S' does accept 'a' flag.
2090 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
2093 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
2095 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2097 * config/m68k/m68k.h: Declare functions from m68k.c used in
2098 macros and machine description.
2099 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
2101 (ASM_OUTPUT_FLOAT): Likewise.
2102 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
2104 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2106 * tree.def: Add NAMESPACE_DECL.
2107 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
2108 * dwarf2out.c (push_decl_scope): Likewise.
2109 (scope_die_for): Likewise.
2110 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
2111 how to get next context level.
2113 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
2115 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
2118 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
2120 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
2122 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
2123 for any insns skipped at the start of a block because they were
2126 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
2128 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
2130 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
2132 * c-common.c (format_char_info): Add new field hhlen.
2133 (print_char_table, scan_char_table, time_char_table): Initialize
2134 hhlen field appropriately.
2135 (char_format_info): Recognize hh modifier and lookup correct char
2138 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
2140 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
2141 reference if this is a store.
2143 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
2145 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
2147 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
2149 Make UnixWare 7 bootstrap support work with final shipping product.
2150 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
2151 Pick up xm-siglist and xm-alloca.
2152 (xm_defines): Add USG so dbxout will build.
2153 * configure: Regenerate.
2155 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
2157 Support for official Sparc V9 ABI:
2158 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
2159 Care for flag_pcc_struct_return default.
2160 (output_move_quad): Rewrite to move by halves on v9 and in the
2162 (move_quad_direction): New function.
2163 (output_fp_move_quad): Use it to determine the direction of copy.
2164 (function_arg_slotno): Return -1 for FP reg overflow as well.
2165 (function_arg_record_value*): New functions.
2166 (function_arg): Use them. Streamline unprototyped parameter passing.
2167 (function_arg_pass_by_reference): Pass TCmode by reference.
2168 (function_value): New function.
2169 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
2170 long long in 64-bit mode.
2171 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
2172 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
2173 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
2174 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
2175 (BASE_INCOMING_ARG_REG): Likewise.
2176 (FUNCTION_VALUE): Call function_value.
2177 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
2178 * sparc.md (movdi_sp32_v9): Disable for arch64.
2179 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
2180 (call_value_address_sp64): Remove register class constraints.
2181 (call_value_symbolic_sp64): Likewise.
2182 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
2183 v9 case to 32-bit constants.
2184 (goto_handler_and_restore_v9): Provide a version for arch64.
2185 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
2186 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
2187 (CPP_PREDEFINES): New.
2188 * sparc/sp64-elf.h: Likewise.
2189 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
2190 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
2191 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
2193 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
2195 * version.c: Bump for snapshot.
2197 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2199 * reload.c (find_reloads): Emit USEs to mark where a pseudo
2200 is reloaded with the MEM of its stack slot.
2201 * reload1.c (cannot_omit_stores): Delete.
2202 (reload): Don't initialize it.
2203 Don't apply avoid_return_reg logic to USEs.
2204 When done, remove USEs that have a REG_EQUAL note on them.
2205 (emit_reload_insns): Handle case where we have inherited a MEM.
2206 (choose_reload_regs): Likewise.
2207 (delete_output_reload): Don't use cannot_omit_stores.
2209 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
2211 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
2213 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
2215 * haifa-sched.c (print_{exp,value}): Various changes to make the
2216 debug output easier to read. Also, use only one buffer, and make
2217 sure the buffer we are passed in doesn't overflow.
2218 (safe_concat): Concatenate to a buffer without overflow.
2220 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2222 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
2225 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2227 * sched.c (new_insn_dead_notes): Check if the register was
2228 used in the original instruction.
2229 * haifa-sched.c (new_insn_dead_notes): Likewise.
2231 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
2233 * dwarf2out.c (scope_die_for): If could not find proper scope,
2234 check for and handle tagged type with incorrect TYPE_CONTEXT.
2236 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
2238 * calls.c (expand_call): Fix recognition of C++ operator new.
2240 * alias.c (mode_alias_check): Disable type based alias detection.
2242 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
2244 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
2245 ASM_OUTPUT_WEAK_ALIAS): Define.
2246 * config/mips/elf64.h: Same.
2247 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2248 ASM_WEAKEN_LABEL): Removed.
2250 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2252 * calls.c (expand_call): Bump the length limit on the specially
2253 recognized function names to 17.
2255 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
2257 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
2258 when undefining macros at the end.
2260 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
2261 val or len has TREE_SIDE_EFFECTS set.
2263 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
2264 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
2265 (smuldi3_highpart): Call const v8plus routine.
2266 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
2267 (const_smulsi3_highpart_v8plus): New pattern.
2268 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
2269 (umulsidi3): Call const v8plus routine.
2270 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
2272 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
2273 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
2275 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
2277 * m32r.c (*_oper{and|ator}): Change enum arguments and return
2278 values to int, so they can be prototyped even in files that don't
2280 ({small,large}_insn_p): Ditto.
2281 (m32r_select_cc_mode): Ditto.
2282 (gen_compare): Ditto.
2283 (function_arg_partial_nregs): Ditto.
2284 (m32r_setup_incoming_varargs): Ditto.
2285 (init_reg_tables): Add prototype.
2286 (m32r_frame_info): Add prolog_size field.
2287 (m32r_compute_frame_size): Calculate the size of the prologue.
2288 (m32r_first_insn_address): Return prologue size.
2289 (m32r_output_function_prologue): Calculate frame size before
2290 printing out information. Print out the prologue size.
2292 * m32r.h: Prototype all functions in m32r.c.
2293 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
2295 * m32r.md (bcc functions): Cast enum's to int.
2297 * m32r.c (conditional_move_operand): Silence a debug message.
2298 ({small,long}_insn): New predicates.
2300 * m32r.h (TARGET_M32R): New macro.
2301 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
2302 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
2304 (ISSUE_RATE): Define as 2.
2306 * m32r.md (insn_size): New attribute.
2307 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
2309 (m32r): New attribute.
2311 * configure.in (enable_haifa): Switch m32r to Haifa by default.
2312 * configure: Regenerate.
2314 (Changes from Nick Clifton <nickc@cygnus.com>)
2315 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
2316 the equivalent of a negated 'I' constraint.
2317 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
2318 optimisation to work.
2320 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
2321 than 'I' since the value is negated.
2322 (peephole): Add peephole optimisation to cope with optimization of
2323 divide and subtracts of the same operands.
2325 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
2329 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
2332 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
2334 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
2336 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
2338 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
2339 frame_pointer_rtx not FRAME_POINTER_REGNUM.
2341 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
2343 * reg-stack.c: Revert last patch (Apr 20).
2344 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
2346 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
2348 * loop.c (check_dbra_loop): New locals jump, first_compare, and
2349 compare_and_branch. Call get_condition to set first_compare.
2350 Set compare_and_branch to number of compare/branch instructions.
2351 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
2352 Replace '2' with compare_and_branch.
2354 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2356 * cplus-dem.c (demangle_qualified): Replace missing else.
2358 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2360 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
2362 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2364 * sh.c (sh_expand_prologue, sh_expand_epilogue):
2365 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
2366 * sh.h (STACK_BOUNDARY): Likewise.
2368 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2370 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2372 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
2374 * system.h (abort): If abort is not defined, and neither is
2375 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
2376 reporting the line and filename of the error.
2378 * .gdbinit: Add breakpoints on exit and fancy_abort.
2380 * final.c (split_double): Avoid a compiler warning if
2381 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
2383 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
2384 for calling jump_optimize.
2386 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
2387 macros, rather than 0/1's.
2389 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
2391 * alpha.h (CONST_COSTS): Zero is always free.
2392 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
2394 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2396 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
2397 length in the name of a virtual table.
2399 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
2401 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
2403 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
2405 * version.c: Bump for snapshot.
2407 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
2409 * fold-const.c (fold_convert): Fix typo.
2411 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
2413 * alias.c (alias_invariant): New variable.
2414 (record_base_value): New argument INVARIANT.
2415 (memrefs_conflict_p): If a register has an entry in the alias_invariant
2416 array, try substituting that value for the register.
2418 * rtl.h: Declare record_base_value.
2420 * loop.c, unroll.c: Update callers of record_base_value.
2422 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
2423 ZERO_EXTEND do not affect base values.
2425 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
2427 * dbxout.c (dbxout_type): Fix typo.
2428 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
2430 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
2432 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
2434 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
2435 if the argument is the address of a structure or array.
2437 * configure.in: Enable Haifa scheduler by default for SPARC.
2439 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2441 * cse.c (cse_set_around_loop): Don't do optimization when
2442 new pseudos are created.
2444 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
2446 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
2448 (dbxout_type_method_1, dbxout_type): Likewise.
2449 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
2450 (dbxout_type): Fix check for when to print a type range in
2453 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2455 * (gen_shl_and, in case 1): Fix comparison with mask.
2457 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
2459 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
2460 pointer as second register in REG+REG pair.
2462 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2464 * c-common.c (check_format_info): Don't check for the 'x' format
2465 character twice, instead check for 'x' and 'X'
2467 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2469 * Makefile.in (libgcc2.ready): Add explicit dependancy from
2470 $(STMP_FIXPROTO) to ensure all necessary include files have
2471 been created and to guarantee proper parallel builds.
2473 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2475 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
2476 register for stdarg functions.
2477 * sh.h (current_function_varargs): Declare.
2478 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
2480 1998-04-23 Jim Wilson <wilson@cygnus.com>
2482 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
2483 inhibit_libc is defined.
2485 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
2487 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
2489 * profile.c (tablejump_entry_p): New function.
2490 (branch_prob): Add code to recognize MIPS tablejump entry branch.
2491 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
2493 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
2495 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
2496 found, rather than at end of the loop, after the insn has been
2499 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2501 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
2502 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
2504 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
2506 * loop.c (note_addr_stored): Correct function to take 2 arguments,
2509 * rtl.def (MATCH_INSN2): Add new matching pattern.
2510 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
2512 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
2514 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
2515 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
2517 * final.c (split_double): Sign extend both halves of a split CONST_INT.
2519 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
2521 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
2523 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2525 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
2526 (cplus_demangle_opname): Call mop_up_squangle.
2527 (cplus_demangle): Initialize squangle info, then call
2528 internal_cplus_demangle. (Most code moved there as well)
2529 (internal_cplus_demangle): New function, performs most of what use
2530 to be done in cplus_demangle, but is only called with this file.
2531 (squangle_mop_up): New function to clean up B and K code data.
2532 (mop_up): set pointers to NULL after freeing.
2533 (demangle_signature, demangle_template, demangle_class): Add
2534 switch elements to handle K and B codes.
2535 (demangle_prefix, gnu_special, demangle_qualified): Add
2536 code to handle K and B codes.
2537 (do_type, demangle_fund_type): Handle B and K codes.
2538 (remember_Ktype): New function to store K info.
2539 (register_Btype, remember_Btype): New functions for B codes.
2540 (forget_B_and_K_types): New function to destroy B and K info.
2542 1998-04-21 Jim Wilson <wilson@cygnus.com>
2544 * stmt.c (check_seenlabel): When search for line number note for
2545 warning, handle case where there is no such note.
2547 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
2549 * genemit.c (gen_exp): Allow machine description to set mode of
2552 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
2554 * alias.c (mode_alias_check): New function.
2555 (true_dependence, anti_dependence, output_dependence): Call
2558 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
2560 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
2561 (MIPS_STACK_ALIGN): Similarly.
2563 * c-common.c (type_for_mode): Handle TI types.
2564 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
2565 (init_decl_processing): Handle TI types.
2566 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
2568 * mips.c (block_move_loop): Test Pmode == DImode instead of
2570 (expand_block_move, save_restore_insns): Likewise.
2571 (function_prologue, mips_expand_prologue): Likewise.
2572 (mips_expand_epilogue): Likewise.
2573 * mips.h (POINTER_SIZE): Allow specific targets to override.
2574 (Pmode): Allow specific targets to override.
2575 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
2576 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
2577 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2578 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
2579 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2580 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
2581 * mips.md (indirect, tablejump & casesi support): Test for
2582 Pmode == DImode instead of TARGET_MIPS64.
2583 (call patterns): Likewise.
2585 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
2588 for gen_rtx(MEM, ...).
2590 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
2592 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
2593 to not be so gross, and to properly function with PIC.
2595 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
2597 * frame.c (heapsort): Rename to frame_heapsort.
2599 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
2601 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
2603 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
2605 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
2607 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
2608 operands during and after reload.
2610 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2612 * final.c (shorten_branches, init_insn_lengths): Move code
2613 to free label_align, uid_shuid, insn_lengths, insn_addresses
2614 and uid_align from the former function into the latter one;
2615 Add code to clear these variables.
2616 * sh.h (label_align): Remove declaration.
2618 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
2620 * gcc.c (lang_specific_driver): Declare prototype properly so
2621 fatal can be passed to it without error.
2623 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
2624 * configure: Regenerate.
2625 * config.in: Add #undef's for strchr and strrchr.
2627 * protoize.c (toplevel): If we have rindex, but not strrchr, map
2629 (file_could_be_converted): Use strrchr, not rindex since rindex is
2630 not defined on Linux systems when _POSIX_SOURCE is defined.
2631 (file_normally_convertible): Ditto.
2632 (process_aux_info_file): Ditto.
2635 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
2636 a constant to an integer register, don't split the insns that do
2637 the simple AND and OR operations, rather just split each word, and
2638 let the normal movsi define split handle it further.
2640 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2642 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
2643 (split_branches): Call init_insn_lengths.
2645 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
2647 * i386.c: Include expr.h to get the change_address prototype
2650 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
2652 * reg-stack.c (subst_asm_stack_regs): Change to return the last
2653 new insn generated by this function.
2654 (subst_stack_regs): Likewise.
2655 (convert_regs): Record the last newly generated insn and use
2656 it for change_stack () instead of INSN.
2658 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2660 * fix-header.c (enum special_file): Undefine enumerators if they
2661 are already defined by include files.
2662 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
2663 macro with '__' to not pollute user namespace.
2665 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
2667 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
2669 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
2671 * version.c: Bump for snapshot.
2673 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
2675 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
2677 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
2678 Add missing -Dpentium* options.
2679 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
2680 instead of CPP_CPU_DEFAULT.
2681 (EXTRA_SPECS): Add entry for cpp_cpu_default.
2683 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
2685 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
2686 negative in a stackless frame.
2687 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
2688 in stackless frame size. Support 64-bit stackless frame size.
2689 Combine fpmem offset calculations and don't add total_size to
2690 offset if not pushing a stack frame.
2692 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
2694 * regmove.c (fixup_match_1): In three places, in flag_exceptions
2695 check, change p to q.
2697 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
2699 * gcc.c (lang_specific_driver): Add new parm type to prototype.
2700 (added_libraries): New file scope static variable.
2701 (process_command): Initialize added_libraries. Pass it to
2702 lang_specific_driver.
2703 (main): Use added_libraries in check for no input files.
2705 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
2707 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
2708 code generation. Use 64 bit instructions in 32 bit mode when
2709 possible. Use V9 return instruction. UltraSPARC optimizations.
2711 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
2713 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
2715 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
2716 just pass zero. That will work regardless of the size of HARD_REG_SET.
2718 * libgcc2.c (__floatdisf): Fix a couple typos.
2720 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
2722 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
2724 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
2726 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
2728 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
2730 * emit-rtl.c (operand_subword_force): If a register can not be
2731 accessed by words, copy it to a pseudo register.
2733 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
2735 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
2737 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
2739 * tree.h (mark_seen_cases): Delete declaration.
2741 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
2743 * stmt.c (mark_seen_cases): Make static and add prototype.
2745 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2747 * frame.c: Include stdlib.h and unistd.h to possibly get various
2748 function prototypes. The fixproto script guarantees these header
2749 files exist on the target system.
2750 * libgcc2.c: Likewise.
2752 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
2753 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
2754 function parameters.
2755 * libgcc2.c (__udiv_w_sdiv): Likewise.
2757 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
2759 * varasm.c (asm_output_bss): Add prototype.
2760 (asm_output_aligned_bss): Likewise.
2762 * unroll.c (verify_addresses): Add prototype.
2764 * toplev.c: Add many prototypes. Too many to mention here.
2766 * stmt.c (check_seenlabel): Add prototype.
2768 * rtlanal.c (reg_set_p_1): Add prototype.
2769 (reg_set_last_1): Likewise.
2771 * reorg.c (find_dead_or_set_registers): Add prototype.
2773 * regmove (try_auto_increment): Add prototype.
2775 * reg-stack.c (pop_stack): Add prototype.
2777 * recog.c (validate_replace_rtx_1): Add prototype.
2778 (find_cosntant_term_loc): Likewise.
2780 * loop.c (regs_patch_p): Add prototype.
2781 (add_label_notes, count_nonfixed_reads): Likewise.
2782 (find_single_use_in_loop): Likewise.
2783 (express_from): Surround prototype with #ifdef.
2784 (giv_sort): Similarly.
2786 * jump.c (mark_modified_reg): Add prototype.
2788 * haifa-sched.c (is_prisky): Add prototype.
2789 (queue_to_ready): Likewise.
2791 * genextract.c (gen_insn): Add prototype.
2793 * genemit.c (max_operand_1): Add prototype.
2794 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
2795 (gen_expand, gen_explit, output_add_clobbers): Likewise.
2796 (output_init_mov_optab): Likewise.
2798 * genattrtab.c (attr_hash_add_rtx): Add prototype.
2799 (attr_hash_add_string, write_length_unit_log): Likewise.
2801 * genattr.c (init_range): Add prototype.
2803 * combine.c (sets_function_arg_p): Add prototype.
2805 * expr.c (store_constructor_field): Add prototype.
2806 (get_memory_usage_from_modifier): Likewise
2808 * expmed.c (synth_mult): Add prototype.
2809 (choose_multiplier, invert_mod2n): Likewise.
2811 * except.c (push_eh_entry): Add prototype.
2812 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
2813 (call_get_eh_context, start_dynamic_cleanup): Likewise.
2814 (start_dynamic_handler, can_throw): Likewise.
2815 (output_exception_table_entry, scan_region): Likewise.
2816 (eh_regs, set_insn_eh_region): Likewise.
2818 * dwarfout.c (decl_class_context): Add prototype.
2819 (output_inheritance_die, type_ok_for_scope): Likewise.
2821 * c-lex.c (skip_white_space_on_line): Add prototype.
2823 * alias.c (record_set): Add prototype.
2824 (find_base_term, base_alias_check): Likewise.
2826 * function.c (assign_outer_stack_local): Make static and add prototype.
2828 * haifa-sched.c (build_control_flow): Accept raw data as inputs
2829 instead of computing it locally. Callers changed.
2830 (find_rgns): Several new arguments. Callers changed.
2831 Generally clean up and comment better. Use dominators to
2832 identify reducible loops. Convert some flag arrays to bitmaps.
2833 Convert most of the code to work on pred/succ lists instead of
2834 an edge table. Add comments for future improvements.
2835 (schedule_insns): Allocate temporary tables for flow data, call
2836 routines to compute flow data and pass it along to children as
2838 (debug_control_flow): Delete. Use dump_bb_data instead.
2840 * basic-block.h (compute_dominators): Declare.
2842 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
2844 * basic-block.h: Declare them.
2846 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
2848 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
2851 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
2853 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
2854 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
2855 node is non NULL. Cache last file name and file name identifier node.
2857 1998-04-15 Mark Mitchell <mmitchell@usa.net>
2859 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
2860 the length of an array, not TREE_TYPE.
2862 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
2864 * flow.c (sbitmap_union_of_successors): New function.
2865 * basic-block.h (sbitmap_union_of_successors): Declare it.
2867 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
2869 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
2870 Set gnu_ld to gnu_ld_flag inside main loop.
2873 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
2875 * toplev.c (compile_file): Call init_parse using new interface.
2876 (init_lex): Remove declaration.
2878 * c-lex.c (init_parse): Now returns char* containing filename.
2880 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
2882 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
2884 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
2886 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
2887 (gen{extract,peep,opinit,output}): Ditto.
2889 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
2890 global definition so print-rtl.o can be linked in.
2891 * gen{peep,recog}.c (insn_attr_name): Ditto.
2893 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
2895 * fixincludes: discard empty C++ comments, as found in sys/time.h
2898 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2900 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
2903 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
2905 * emit-rtl.c (operand_subword): Rework slightly to avoid
2906 bogus warning from previous change.
2908 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
2910 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
2911 Nov 8 find_replacement change. Move decls of get_unaligned_address
2912 * alpha.h: ... here.
2914 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
2916 * function.c (assign_parms): Initialize unsignedp before passing
2917 its pointer to promote_mode.
2919 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
2920 (write_test_expr): Allow MATCH_INSN.
2922 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
2924 * install.texi: Update section on warnings that can be safely ignored.
2926 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
2928 * mips.md (reload_outdi): Change the scratch mode from DImode to
2929 TImode. New variable scratch, used instead of operand[2] in template.
2930 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
2932 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
2934 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
2936 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
2938 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
2940 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
2942 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
2943 (ASM_FINISH_DECLARE_OBJECT): Likewise.
2945 * Idea and part of the patch from HJ.
2946 * Makefile.in: auto-host.h renamed from auto-config.h. All references
2948 (distclean): Remove auto-build.h too.
2949 * configure.in: Rename host autoconf generated file to auto-host.h.
2950 If host != build, then run autoconf to generate auto-build.h for
2951 the build machine and include it in build_xm_files.
2952 Check for wait.h and sys/wait.h.
2954 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
2955 TRULY_NOOP_TRUNCATION.
2957 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
2959 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
2961 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
2963 * invoke.texi (ld options) Include memset requirements
2964 for options -nodstdlib and -nodefaultlibs.
2966 1998-04-12 Paul Eggert <eggert@twinsun.com>
2968 This change is from an idea suggested by Arthur David Olson.
2970 * c-common.c (decl_attributes, record_function_format,
2971 check_format_info, init_function_format_info):
2972 Add support for strftime format checking.
2973 (enum format_type): New type.
2974 (record_function_format): Now static, and takes value of type
2975 enum format_type instead of int.
2976 (time_char_table): New constant.
2977 (struct function_format_info): format_type member renamed from is_scan.
2978 (check_format_info): Use `warning' rather than sprintf followed by
2979 `warning', to avoid mishandling `%' in warnings.
2980 Change `pedwarn' to `warning', since these warnings do not necessarily
2981 mean the program does not conform to the C Standard, as the code
2982 need not be executed.
2984 * c-tree.h (record_function_format): Remove decl; no longer extern.
2986 * extend.texi: Add documentation for strftime format checking.
2988 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
2990 * mips/ecoffl.h: Do not include mips.h.
2991 * mips/elf.h: Likewise.
2993 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
2994 * mips/ecoff.h: Include "mips/mips.h".
2996 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
2998 * version.c: Bump for snapshot.
3000 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3002 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3003 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3004 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3005 between loop optimization passes.
3006 * rtl.h: Updated appropriately.
3008 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3010 Reinstall this patch from Jason.
3011 * function.c (push_function_context_to): Don't call init_emit.
3013 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3015 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3016 encountering unterminated comments.
3018 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3020 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3023 * configure.in: Handle --with-fast-fixincludes.
3024 (fixincludes): If --with-fast-fixincludes, then use a different
3025 fixincludes program by default.
3026 * Makefile.in (fixinc.sh): New rule.
3028 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3030 * i386.md (movqi+1): Handle invalid QI register.
3031 (movsf_push-1): Likewise.
3033 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
3035 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
3037 symbolic_memort_operand(), call32_operand(), int8_operand(),
3038 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
3040 uint16_operand(): Made static.
3042 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
3044 * calls.c (expand_call): Fix typo.
3046 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
3048 * c-lex.c (finput): New global.
3049 (init_parse): Always included. Handle !USE_CPPLIB using
3050 code originally in compile_file.
3051 (finish_parse): Update for CPPLIB.
3052 * toplev.c (init_parse, finish_parse): Declare.
3053 (finput): Delete variable. Now in front-ends.
3054 (compile_file): Remove code which is now handled by init_parse
3055 which is unconditionally called. Similarly for finish_parse.
3057 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
3059 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3060 ASM_WEAKEN_LABEL): Add.
3062 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
3064 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
3065 * configure.in (alpha-*-linux*): Use them.
3067 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3069 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
3070 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
3071 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
3072 (build_expr_wfl): New prototype declaration.
3073 * tree.c (build_expr_wfl): New function, to build
3074 EXPR_WITH_FILE_LOCATION nodes.
3075 (copy_node): Don't zero TREE_CHAIN if copying a
3076 EXPR_WITH_FILE_LOCATION node.
3077 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
3078 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
3080 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
3082 * configure.in (v850): Use t-v850.
3083 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
3085 * protoize.c (creat, read, write): Do not declare.
3087 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
3088 refer to the CODE_LABEL before a dispatch table.
3090 * invoke.texi: Add ARC options.
3092 * gcc.c (proces_command): Improve error message for -o with
3095 * i386/x-cygwin32 (CLIB): Link in advapi32.
3097 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
3098 (ASM_IDENTIFY_LANGUAGE): Likewise.
3100 * i386.md (movqi recognizer): Don't perfom byte increment into
3103 * configure.in (x86-dg-dgux): Run fixinc.dgux.
3105 * i370.h: Fix typo in GEN_INT changes.
3107 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
3108 of an empty arglist in prototype.
3110 * Makefile.in: Remove bytecode crud that crept back in after the
3113 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
3115 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
3116 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
3118 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
3120 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3122 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
3124 * c-lex.c (is_class_name): Delete declaration.
3125 (whitespace_cr): Make static and add prototype.
3126 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
3127 yylex, get_directive_line): Turn declarations into prototypes.
3128 (position_after_whitespace, check_newline, yyerror,, is_class_name,
3129 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
3131 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
3133 * gencodes.c (gen_insn): Add prototype.
3134 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
3135 gen_peephole): Add prototypes.
3136 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
3138 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
3139 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
3140 genheader, gencode): Add prototypes.
3141 * genopinit.c (gen_insn): Add prototype.
3142 * genoutput.c (output_prologue, output_epilogue, scan_operands,
3143 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
3144 gen_expand, gen_split, n_occurrences): Add prototypes.
3145 * genpeep.c (gen_peephole): Add prototype.
3146 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
3147 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
3148 labels_in_range_p, count_loop_regs_set, note_addr_stored,
3149 loop_reg_used_before_p, scan_loop, replace_call_address,
3150 skip_consec_insns, libcall_benefit, ignore_some_movables,
3151 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
3152 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
3153 check_final_value, record_giv, update_giv_derive, basic_induction_var,
3154 simplify_giv_expr, general_induction_var, consec_sets_giv,
3155 check_dbra_loop, express_from, combine_givs_p, combine_givs,
3156 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
3157 last_use_this_basic_block, record_initial, update_reg_last_use,
3158 iteration_info, analyze_loop_iterations, insert_bct,
3159 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
3162 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3164 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3166 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
3168 * config/mips/mips.c (siginfo): Deleted.
3169 (override_options): Don't install SIGINFO signal handler.
3171 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
3173 * loop.c (check_dbra_loop): When normalize comparison_val, add check
3174 to verify it is non-negative.
3176 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
3178 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
3179 (alpha_expand_block_clear): Likewise.
3181 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
3183 * tree.h (sizetype_tab): Fix previous change for K&R.
3185 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
3187 * version.c: Bump for snapshot.
3189 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
3191 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
3192 Add USG and POSIX to xm_defines.
3194 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
3196 * gcc.c: Add linker spec.
3197 (link_command_spec): Use %(linker) instead of ld.
3198 (main): If collect2 is requested as the linker, see if it exists;
3199 if not, use ld instead.
3201 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
3203 (install-collect2): Install as collect2, not ld.
3205 * configure.in(will_use_collect2): It's named collect2 now.
3207 * collect2: Remove checks to see if we were invoked recursively.
3208 (collect_execute): Use _spawnvp under cygwin32.
3210 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
3212 * haifa-sched.c (build_control_flow): Set unreachable for block whose
3213 only predecessor is itself.
3215 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3217 * c-parse.in: Include system.h, and remove stuff now made redundant.
3220 * protoize.c: Likewise. Properly check for cpp stringification.
3222 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
3225 * objc/Make-lang.in (objc-parse.o): Likewise.
3227 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * gansidecl.h: Check if compiler supports __attribute__. Provide
3230 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
3231 __attribute__ when its available. Also provide definitions for
3232 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
3233 terms of ATTRIBUTE_PRINTF.
3235 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
3238 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
3240 * combine.c (can_combine_p): Include successor in volatile test.
3242 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3244 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
3247 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
3249 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
3250 in prototype and definition.
3252 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
3254 * version.c: Bump for snapshot.
3256 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
3258 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
3259 alpha_expand_unaligned_store_words.
3261 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
3263 * i386.md (movsf_push, movsf_mem): Remove.
3264 (movsf_push): Rename from movsf_push_nomove and move in front of
3265 movsf. Use nonmemory_operand predicate and don't bother checking
3267 (movsf_push_memory): New pattern.
3268 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
3269 both operands refer to memory then force operand[1] into a register.
3270 (movsf_normal): Change to unnamed pattern.
3271 Likewise for movdf, movxf, and friends.
3273 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
3275 * version.c: Bump for snapshot.
3277 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
3279 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
3281 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
3283 * configure.in (mips-wrs-vxworks): New target.
3285 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
3287 * expmed.c (synth_mult): The value -1, has no zeros, so it can
3288 never have the form ...011.
3290 * version.c: Bump for snapshot.
3292 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
3294 * i386.c (asm_output_function_prefix, load_pic_register):
3295 Use ASM_GENERATE_INTERNAL_LABEL properly.
3296 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
3297 (print_operand): Ignore it.
3298 (load_pic_register): Use it for the got load call.
3299 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
3300 (prologue_get_pc_and_set_got): Likewise.
3301 * i386.h: Update print_operand docs.
3303 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
3305 * i386.md (ffssi, ffshi): Rewrite as define_expands.
3306 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
3307 * i386.c (notice_update_cc): Recognize unspec 5.
3309 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
3311 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
3312 * alpha.c (print_operand): Handle it.
3313 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
3315 (fix_truncdfdi2): Likewise.
3317 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
3319 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
3320 of these into a single struct, with additional [us]sizetype entries.
3321 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
3322 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
3325 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
3327 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
3329 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
3331 * haifa-sched.c (split_block_insns): Don't supress insn splitting
3332 on subsequent passes.
3334 * alpha.c (hard_fp_register_operand): New function.
3335 * alpha.h (PREDICATE_CODES): Add it.
3336 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
3337 f<-m case and accompanying define_split.
3338 (trapb): Use a unique unspec_volatile number.
3340 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
3342 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
3345 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
3347 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
3350 * haifa-sched.c: Mirror recent changes from gcc2.
3352 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
3354 * Makefile.in (insn*.o): Depend on system.h.
3356 * pa.c (output_global_address): Initialize base.
3357 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
3359 1998-04-03 Mike Stump <mrs@wrs.com>
3361 * gthr.h: Support systems that don't have weak, but have threads.
3362 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
3363 * gthr-vxworks.h: New file.
3364 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
3366 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
3368 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
3370 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
3372 * ginclude/va-i960.h (va_end): Change void * to void.
3374 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3376 * Makefile.in (choose-temp.o): Depend on system.h.
3378 * choose-temp.c: Include system.h when IN_GCC.
3380 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
3381 Richard Henderson <rth@cygnus.com>
3383 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
3384 (move_replacements): New function.
3385 * reload.h: Prototype it.
3387 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
3389 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
3391 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
3394 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
3395 (gen_highpart): Likewise.
3396 * final.c (alter_subreg): Allow the target to hook by-mode subreg
3397 hard register number changes.
3399 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
3401 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
3402 rnbitsize, rnmode and rinner.
3403 (make_range): Initialize type.
3404 (fold): Initialize arg0, arg1 and varop.
3406 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
3408 (expand_function_start): Initialize last_ptr.
3410 * stor-layout.c (layout_record): Initialize desired_align.
3411 (get_best_mode): Initialize unit.
3413 * tree.c (copy_node): Initialize length.
3415 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
3417 * caller-save.c (insert_save_restore): Initialize pat, code and
3420 * emit-rtl.c (push_to_sequence): Initialize top.
3421 (push_topmost_sequence): Likewise.
3423 * genattrtab.c (simplify_by_exploding): Initialize defval.
3425 * profile.c (branch_prob): Initialize dest.
3427 * rtl.h (note_stores): Remove duplicate prototype.
3428 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
3430 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
3431 strings that are not actually lengths.
3433 * genattrtab.c: Make generated file use system.h, instead of
3434 including stdio.h, etc directly.
3435 * genextract.c, genopinit.c, genoutput.c: Likewise.
3436 * genpeep.c, genrecog.c: Likewise
3438 * genoutput.c (process_template): Mark operands in the generated
3439 function as potentially unused if compiling with GNU CC.
3441 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
3443 * pa.md (reload peepholes): Remove unused variable "mode".
3445 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
3447 * config/arm/thumb.h: Add super interworking support.
3448 * config/arm/thumb.c: Add super interworking support.
3449 * config/arm/thumb.md: Add super interworking support.
3450 * config/arm/lib1funcs.asm: Add interworking support.
3451 * config/arm/lib1thumb.asm: Add super interworking support.
3452 * config/arm/t-semi: Add interworking support.
3453 * config/arm/t-thumb: Add interworking support.
3454 * config/arm/README-interworking: New file.
3456 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
3458 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
3459 (MD_STARTFILE_PREFIX): Unset.
3461 1998-04-01 Mark Mitchell <mmitchell@usa.net>
3463 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
3464 entity in a local scope.
3466 * fold-const.c (fold): Call truthvalue_conversion for values which
3467 are folded to boolean type.
3469 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
3471 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
3472 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
3473 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
3474 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
3475 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
3476 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
3477 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
3478 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
3479 * md.texi: Likewise.
3481 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
3483 * fixincludes (limits.h): Fix nested comments in Motorola's
3484 limits.h and sys/limits.h.
3486 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
3488 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
3489 as dest of expand_binop call.
3491 * alpha.md (extzv): Correct check for valid operand[2] values.
3493 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
3496 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
3498 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
3500 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
3501 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
3503 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
3504 cygwin32 can override this to allow both unix and win32 style PATHs.
3506 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
3507 style environment paths.
3509 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3511 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
3512 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
3513 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
3516 * cpphash.c: Include config.h.
3517 * cppalloc.c: Include system.h. Add parameters to various
3518 function prototypes.
3519 * cpperror.c: Likewise.
3520 * cppexp.c: Likewise.
3521 * cpphash.c: Likewise.
3522 * cpplib.c: Likewise.
3523 * cppmain.c: Likewise.
3524 * fix-header.c: Likewise.
3526 * gen-protos.c: Likewise.
3527 * gengenrtl.c: Likewise.
3528 * halfpic.c: Likewise.
3530 * scan-decls.c: Likewise.
3533 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
3535 * README.gnat: Add lang_print_xnode definition.
3537 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3539 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
3540 fmovecr on the 68060.
3542 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
3544 * genemit.c (DONE): Rework so that it works in the true arm if
3545 an if-else conditional.
3548 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
3550 * rs6000.c: Do not include stdioh or ctype.h anymore.
3552 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
3554 (stor-layout.o): Likewise.
3555 * c-typeck.c: Include rtl.h and expr.h.
3556 * stor-layout.c: Likewise.
3558 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
3559 All callers changed.
3560 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
3561 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
3562 All callers changed.
3564 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
3566 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
3568 * tree.h (lang_print_xnode): Provide prototype.
3570 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
3572 * version.c: Bump for snapshot.
3574 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
3576 * objc/sendmsg.c (__objc_block_forward): Add braces for return
3577 value if INVISIBLE_STRUCT_RETURN.
3579 * pa.c (arith_double_operand): Fix parens.
3581 * haifa-sched.c (print_pattern): Correct arg to sprintf.
3583 * Makefile.in (libgcc1.null): Make return type for __foo void.
3585 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
3587 * pa.h: Add declarations for many functions defined in pa.c.
3589 * genpeep.c (main): Remove unused variable 'i' from the generated
3592 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
3593 (gen_split): Likewise.
3594 (main): Rework generated definitions of DONE and FAIL so that they
3595 no longer use gotos. Avoids warnings about unused labels.
3597 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
3598 unused "junk" variable.
3600 * genattrtab.c (write_complex_function): Add a default case in
3601 generated switch statement to keep -W -Wall quiet.
3603 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
3605 * invoke.texi: Document more ARM and Thumb command line options.
3607 * config/arm/xm-thumb.h: New file.
3609 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
3611 * stmt.c (expand_expr_stmt): Must generate code for
3612 statements within an expression (gcc's `({ ... )}')
3613 even if -fsyntax-only.
3615 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3616 Jeffrey A Law (law@cygnus.com)
3618 * basic-block.h (basic_block_computed_jump_target): Declare.
3619 * flags.h: (current_function_has_computed_jump): Declare.
3620 * flow.c: (basic_block_computed_jump_target): Define.
3621 (flow_analysis): Allocate it. Set current_function_has_computed_jump
3623 (find_basic_blocks): Set current_function_has_computed_jump and
3624 elements of basic_block_computed_jump_target to 1 as appropriate.
3625 * function.c: (current_function_has_computed_jump): Define.
3626 * global.c (global_conflicts): Don't allocate pseudos into stack regs
3627 at the start of a block that is reachable by a computed jump.
3628 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
3630 (subst_stack_regs): Undo change from Sep 4 1997.
3631 (uses_reg_or_mem): Now unused, deleted.
3632 * stupid.c (stupid_life_analysis): Compute
3633 current_function_has_computed_jump.
3634 (stupid_find_reg): Don't allocate stack regs if the function has a
3636 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
3637 the current function has a computed jump. Use the global value
3640 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
3642 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
3643 (DWARF2_UNWIND_INFO): Define to zero.
3645 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
3647 * gcc.c (set_std_prefix): Add declaration.
3648 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
3649 suffix, and update the standard prefix prefix.c uses.
3651 * prefix.c (std_prefix): New global to hold default prefix value.
3652 (get_key_value): Change to use std_prefix instead of PREFIX.
3653 (translate_name): Ditto.
3654 (update_path): Ditto.
3655 (get_key_value): Release allocated scratch storage.
3656 (set_std_prefix): New function to reset the standard prefix.
3658 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3660 * sh.c (find_barrier): Fix calculations for alignment increase.
3662 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
3664 * Makefile.in (stmp-fixinc): If we're actually fixing include
3665 files, copy gcc's assert.h into the fixed include dir.
3666 * fixincludes (assert.h): Avoid any attempts to fix a probably
3667 broken system specific assert.h file.
3668 * fixproto (stdlib.h): Make sure, it'll contain a definition of
3671 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
3673 * regclass.c (reg_scan_mark_refs): Be more selective about
3674 when we mark a register with REGNO_POINTER_FLAG.
3676 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3678 reload inheritance improvement:
3679 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
3680 Change meaning: index is now hard reg number.
3681 (reg_reloaded_valid, reg_reloaded_dead): New variables.
3682 (reload_spill_index): Content is now a hard reg number.
3683 (reload_as_needed): Change to fit new variable meaning.
3684 (forget_old_reloads_1, allocate_reload_reg): Likewise.
3685 (choose_reload_regs, emit_reload_insns): Likewise.
3687 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3689 * regclass.c (record_reg_classes): '?' increases cost by two.
3691 * reload.c (find_reloads): Double previous costs. Output
3692 reloads cost one unit extra.
3694 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
3695 boiled down to && ! 0.
3697 * reload.c (find_equiv_reg): Also consider a goal offset from the
3698 frame pointer to be constant.
3700 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3702 * sh.h (OPTIMIZATION_OPTIONS): Define.
3704 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
3706 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
3708 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
3710 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
3712 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
3714 * c-common.c (check_format_info): Initialize type, is_type. New local
3715 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
3716 when pedantic if used with integral format specifier.
3718 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
3720 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
3722 (function_arg_padding): Declare.
3724 * rs6000.c: Include system.h.
3725 (function_arg_padding): Change return type to int, cast enum's to
3728 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
3729 * collect2.c (scan_prog_file): Add explicit braces to avoid
3732 * dbxout.c (dbxout_type_fields): Add braces around empty body in
3734 (dbxout_type): Likewise.
3736 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
3737 `ptt_size' from int to size_t.
3738 (rs6000_file_start): Likewise for `i'.
3739 (rs6000_replace_regno): Add default case in enumeration switch.
3740 (output_epilog): Remove unused variable `i'.
3741 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
3744 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
3746 (get_issue_rate, non_logical_cint_operand): Add prototype.
3747 (rs6000_output_load_toc_table): Ditto.
3749 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
3752 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
3754 * config/arm/thumb.c: New File. Support for ARM's Thumb
3756 * config/arm/thumb.h: New File. Thumb definitions.
3757 * config/arm/thumb.md: New File. Thumb machine description.
3758 * config/arm/tcoff.h: New File. Thumb COFF support.
3759 * config/arm/t-thumb: New File. Thumb makefile fragment.
3760 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
3762 * configure.in: Add Thumb-coff target.
3763 * configure: Add Thumb-coff target.
3764 * config.sub: Add Thumb-coff target.
3766 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
3768 * loop.c (scan_loop): Initialize move_insn_first to zero.
3770 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
3772 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
3773 * config/i386/rtems.h: Likewise.
3774 * config/i960/rtems.h: Likewise.
3775 * config/m68k/rtems.h: Likewise.
3776 * config/mips/rtems64.h: Likewise.
3777 * config/pa/rtems.h: Likewise.
3778 * config/rs6000/rtems.h: Likewise.
3779 * config/sh/rtems.h: Likewise.
3780 * config/sparc/rtems.h: Likewise.
3782 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3784 * pa.c (emit_move_sequence): If in reload, call find_replacement.
3786 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
3788 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
3790 * collect2.c (find_a_file): Add debugging.
3791 (find_a_file): Test for win32 style absolute paths if
3792 DIR_SERPARATOR is defined.
3793 (prefix_from_string): Add debugging.
3794 (main): Test for debug command line switch at start of program
3796 (main): Use GET_ENVIRONMENT rather than getenv().
3797 (prefix_from_env): Use GET_ENVIRONMENT.
3799 1998-03-24 Mark Mitchell <mmitchell@usa.net>
3801 * cplus-dem.c (optable): Add sizeof.
3802 (demangle_template_value_parm): New function containing code
3803 previously found in demangle_template.
3804 (demangle_integral_value): New function which handles complicated
3805 integral expressions.
3806 (demangle_template): Use them.
3808 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3810 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
3811 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
3812 genattrtab.o, genoutput.o): Depend on system.h.
3814 * genattr.c: Include system.h. Add arguments to various function
3815 prototypes. Remove redundant prototype of read_rtx().
3816 * genattrtab.c: Likewise.
3817 * gencodes.c: Likewise.
3818 * genconfig.c: Likewise.
3819 * genemit.c: Likewise.
3820 * genextract.c: Likewise.
3821 * genflags.c: Likewise.
3822 * genopinit.c: Likewise.
3823 * genoutput.c: Likewise.
3824 * genpeep.c: Likewise.
3825 * genrecog.c: Likewise.
3827 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
3829 * c-lang.c (lang_print_xnode): New function.
3830 * objc/objc-act.c (lang_print_xnode): Likewise.
3831 * print-tree.c (print_node): Call it
3833 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
3835 * c-parse.in: Recognize protocol qualifiers in class
3836 definitions for objc.
3838 (yyerror): Remove redundant decl.
3839 (yyprint): Fix prototype.
3841 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
3843 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
3845 * stmt.c (unroll_block_trees): Free block_vector if needed.
3847 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
3849 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
3850 (zero_extendsidi2): Avoid useless copy.
3851 (iordi_zext): New pattern.
3852 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
3854 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
3856 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
3857 (ashldi3): Allow constant shift count in range ]32,63].
3858 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
3860 1998-03-22 Mark Mitchell <mmitchell@usa.net>
3862 * tree.h (IS_EXPR_CODE_CLASS): New macro.
3864 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
3866 * h8300.h (CONST_COSTS): Remove definition.
3867 (DEFAULT_RTX_COSTS): Define.
3869 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
3871 * config/sh/rtems.h: Switched from ELF to COFF.
3873 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3875 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
3877 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
3879 * version.c: Bump for snapshot.
3881 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
3882 Geoff Noer <noer@cygnus.com>
3884 * Makefile.in: Various fixes for building cygwin32 native toolchains.
3886 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
3887 * objc/Make-lang.in: Likewise.
3889 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
3891 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
3893 * configure.in: Handle with-PACKAGE=no correctly
3895 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3897 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
3898 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
3899 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
3900 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
3901 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
3902 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
3903 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
3904 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
3905 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
3906 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
3909 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
3910 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
3911 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
3912 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
3913 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
3914 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
3915 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
3916 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
3917 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
3918 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
3919 xcoffout.c: Include system.h. Organize include ordering so
3920 that stdarg/varargs comes before other system headers. Remove
3921 spurious casts of functions assured of a prototype in system.h.
3923 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
3925 * reg-stack.c (pop_stack): Define. Pops any register on the
3926 regstack and adjusts regstack.
3927 (compare_for_stack_reg): Use pop_stack.
3929 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
3931 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
3934 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
3936 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
3938 * fold-const.c (fold): Replace sign-extension of a zero extended
3939 value by a single zero extension.
3941 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
3943 * except.c (init_eh): Do nothing.
3944 (save_eh_status): Call init_eh_for_function, not init_eh.
3945 * function.c (push_function_context_to): Don't call init_emit.
3947 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
3949 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
3952 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3954 * final.c (shorten_branches): Add parentheses around +/- in
3957 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
3959 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
3961 * regclass.c (memory_move_secondary_cost): Wrap uses of
3962 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
3965 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
3967 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
3969 * flow.c (life_analysis): #include <sys/types.h> to make sure
3971 * cplus-dem.c (demangle_function_name): Likewise.
3973 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
3975 * final.c (insn_noperands): Change type to unsigned int.
3976 (final_scan_insn): Likewise for noperands;
3977 properly check operand number boundaries.
3979 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
3981 * alpha.md (extzv): Don't reject register operands. Fix
3984 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
3986 * dbxout.c (dbxout_function_end): Fix last change. The correct
3987 predicate is ASM_OUTPUT_SECTION_NAME.
3989 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
3991 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
3992 (ashlsi): Use match_dup 1 instead of match_operand 2.
3994 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3996 * fold-const.c (operand_equal_for_comparison_p): See if equal
3997 when nop conversions are removed.
3999 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4001 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4002 don't use ORIGINAL_TARGET unless REG.
4004 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4006 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4008 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4010 * loop.c (struct movable): New field move_insn_first.
4011 (scan_loop): In consec sets code, set it. Clear it otherwise.
4012 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4013 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4016 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4018 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4019 is large, and the system doesn't provide atoll or atoq.
4022 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4023 Reported by Klaus Kaempf <kkaempf@progis.de>.
4025 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4027 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4028 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4030 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4031 test !ACCUMULATE_OUTGOING_ARGS.
4033 * collect2.c (write_c_file_glob): Wrap function definition in
4034 macro test !LD_INIT_SWITCH.
4036 * combine.c (try_combine): Wrap variables `cc_use' and
4037 `compare_mode' in macro test EXTRA_CC_MODES.
4039 * cpplib.c (do_ident): Remove unused variable `len'.
4040 (skip_if_group): Remove unused variables `at_beg_of_line' and
4042 (cpp_get_token): Remove unused variable `dummy'.
4044 * dbxout.c (scope_labelno): Move static variable definition inside
4045 the one function scope where it is used.
4046 (dbxout_function_end): Wrap prototype and definition in
4047 macro test !NO_DBX_FUNCTION_END.
4049 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
4050 in macro test !MIPS_DEBUGGING_INFO.
4052 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
4053 into the scope where it is used. Wrap empty else-statement body
4056 * fix-header.c: Fix typo in comment.
4057 (inf_skip_spaces): Cast results of INF_UNGET to (void).
4058 (check_protection, main): Likewise.
4060 * flow.c (find_basic_blocks_1): Remove dangling comment text.
4062 * function.c (contains): Wrap prototype and definition in macro
4063 test HAVE_prologue || HAVE_epilogue.
4064 (fixup_var_refs_1): Remove unused variable `width'.
4066 * gen-protos.c (main): Remove unused variable `optr'.
4068 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
4070 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
4071 (__sjpopnthrow): Remove unused variable `jmpbuf'.
4072 (__throw): Remove unused variable `val'.
4074 * protoize.c: Check for a previously existing definition before
4075 defining *_OK macros.
4077 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
4079 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4081 * vax.h (ADDR_VEC_ALIGN): Define.
4083 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
4085 * gcc.c (default_arg): Don't wander off the end of allocated
4088 (From Geoffrey Keating <geoffk@ozemail.com.au>)
4089 * rs6000.c (small_data_operand): Ensure that any address
4090 referenced relative to the small data area is inside the SDA.
4092 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
4094 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
4096 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4098 * except.h (in_same_eh_region): New prototype.
4099 (free_insn_eh_region, init_insn_eh_region): New prototypes.
4100 * except.c (insn_eh_region, maximum_uid): New static variables.
4101 (set_insn_eh_region): New static function to set region numbers.
4102 (free_insn_eh_region): New function to free EH region table.
4103 (init_insn_eh_region): New function to initialize EH region table.
4104 (in_same_eh_region): New function used to determine if two rtl
4105 instructions are in the same exception region or not.
4106 * final.c (final): Initialize the table indicating which instructions
4107 belong in which exception region.
4108 * genpeep.c (main): Add "except.h" to include file list in generated
4110 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
4111 peepholes involving calls and unconditional branches.
4113 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
4115 * README.gnat: New file.
4117 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4119 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4120 "recog.h" for offsettable_memref_p.
4121 (legitimize_pic_address): Remove unused variable `offset'.
4122 (notice_update_cc): Change return type to void. Add default label
4124 (standard_68881_constant_p): Remove unused variable mode.
4125 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
4126 (const_int_cost): Explicitly declare as returning int.
4127 (output_dbcc_and_branch): Change return type to void.
4129 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
4130 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
4131 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
4133 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
4135 * version.c: Bump for snapshot.
4137 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4139 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4140 check for 'M' constraint.
4142 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
4144 * cccp.c (create_definition): If pedantic, call pedwarn for macro
4147 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4149 * i386.c (ix86_logical_operator): New function.
4150 (split_di): Ensure that when a MEM is split, the resulting MEMs have
4152 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
4155 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4156 Richard Earnshaw <rearnsha@arm.com>
4157 Nick Clifton <nickc@cygnus.com>
4159 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
4161 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
4163 * cse.c (rtx_cost): Provide a default case in an enumeration
4164 switch, and call DEFAULT_RTX_COSTS if it's defined.
4166 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
4168 * basic-block.h (compute_preds_succs): Change return type in
4170 * flow.c (compute_preds_succs): Likewise in function definition.
4172 * regmove.c (find_matches): Cast char used as array index to unsigned char
4175 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
4177 * i386.h (RTX_COSTS): Insert braces around nested if.
4178 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
4181 * gcc.c (default_compilers): Properly put brackets around array elements in
4184 * getopt.c (_getopt_internal): Add explicit braces around nested if;
4187 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
4188 (record_reg_life_pat): Add explicit parens around && and || in expression.
4189 (stack_reg_life_analysis): Add parens around assignment used as expression.
4190 (convert_regs): Likewise.
4192 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
4194 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
4195 change callers accordingly.
4197 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
4198 and definition; change all callers accordingly.
4200 * except.c (init_eh): Avoid assignment of unused return value of
4201 build_pointer_type; cast it to void, instead, and remove unused
4204 * gcc.c (lang_specific_driver): Define prototype only #ifdef
4205 LANG_SPECIFIC_DRIVER.
4206 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
4208 * genoutput.c (output_epilogue): Initialize next_name to 0.
4210 * real.c (efrexp): #if 0 prototype and function definition.
4211 (eremain): Likewise.
4218 * reload.c (push_secondary_reload): Define prototype only
4219 #ifdef HAVE_SECONDARY_RELOADS.
4221 * varasm.c (assemble_static_space): Define rounded only
4222 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
4224 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4226 * i386.md (andsi): Add default case in enumeration switch.
4231 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
4233 * c-decl (finish_struct): Change type of min_align to unsigned.
4235 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
4236 remove unused variable len.
4238 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
4239 comment indicating this is proper behaviour.
4240 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
4242 (based_loc_descr): Likewise.
4244 * enquire.c (bitpattern): Change type of variable i to unsigned.
4246 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
4248 * flow.c (life_analysis): Change type of variable i to size_t;
4249 remove unused variable insn.
4251 * gcc.c (translate_options): Change type of variables optlen, arglen and
4253 (input_filename_length): Change type to size_t.
4254 (do_spec_1): Change type of variable bufsize to size_t.
4255 (main): Change type of variables i and j to size_t;
4256 remove subblock local definition of variable i.
4257 (lookup_compiler): Change type of second argument to size_t;
4258 change type of variable i to size_t.
4260 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
4262 * genopinit.c (get_insn): Change type of variable pindex to size_t.
4264 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
4266 * global.c (global_alloc): Change type of variable i to size_t.
4268 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
4270 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
4271 (expand_end_case): Change type of variable count to size_t.
4273 * toplev.c (main): Change type of variable j to size_t.
4274 (set_target_switch): Change type of variable j to size_t.
4275 (print_switch_values): Change type of variable j to size_t;
4276 remove unused variable flags.
4278 * varasm.c (assemble_variable): Change type of variable align to size_t.
4279 (const_hash_rtx): Change type of variable i to size_t.
4281 1998-03-11 Mark Mitchell <mmitchell@usa.net>
4283 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
4284 TREE_VEC if that's what it really is.
4286 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
4288 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
4291 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
4293 * gthr.h: Changed the comment about return values.
4294 * gthr-solaris.h (__gthread_once): Do not use errno; return the
4295 error number instead of -1.
4296 (__gthread_key_create): Any non-zero return value is an error.
4297 * libgcc2.c (eh_context_initialize): Check for non-zero return
4298 value from __gthread_once.
4299 Check that the value of get_eh_context was really changed.
4301 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4303 * sh.h (LOOP_ALIGN): Only align when optimizing.
4304 * sh.c (find_barrier): Clear inc for CODE_LABELs.
4305 When not optimizing, calculate alignment for BARRIERs directly.
4307 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4309 * final.c (shorten_branches): Remove conditionalizing on
4310 SHORTEN_WITH_ADJUST_INSN_LENGTH
4311 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
4313 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
4315 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
4316 an unconditional jump around deleted blocks.
4318 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
4320 * profile.c (branch_prob): If see computed goto, call fatal instead of
4323 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
4325 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
4326 Patch from Bruno Haible.
4328 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
4329 (assign_parms): Set aggregate if hide_last_arg and last_named.
4331 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4333 * final.c (shorten_branches): Initialize insn_addresses.
4335 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4337 * sh.h (MUST_PASS_IN_STACK): Define.
4339 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
4341 * final.c (shorten_branches): Fix minor logic error in
4342 ADDR_DIFF_VEC shortening support.
4344 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
4346 * version.c: Bump for snapshot.
4348 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
4350 * haifa-sched.c (is_cfg_nonregular): Change return type to
4351 an int. No longer compute "estimated" number of edges. Use
4352 computed_jump_p instead of duplicating the code. Fixup/add
4354 (build_control_flow): Returns a value indicating an irregularity
4355 in the cfg was detected. Count the number of edges in the cfg.
4356 allocate various edge tables.
4357 (find_rgns): No longer look for unreachable blocks.
4358 (schedule_insns): Do not allocate memory for edge tables here.
4359 Free memory for edge tables before returning. Do not perform
4360 cross block scheduling if build_control_flow returns nonzero.
4361 * flow.c (compute_preds_succs): More accurately determine when
4364 * basic-block.h (free_basic_block_vargs): Provide prototype.
4366 * cccp.c (main): Fix dumb mistakes in last change.
4368 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4370 * rtl.h (addr_diff_vec_flags): New typedef.
4371 (union rtunion_def): New member rt_addr_diff_vec_flags.
4372 (ADDR_DIFF_VEC_FLAGS): New macro.
4374 * sh.c (output_branch): Fix offset overflow problems.
4376 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
4377 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
4378 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
4379 * stmt.c (expand_end_case): Supply new arguments to
4380 gen_rtx_ADDR_DIFF_VEC.
4381 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
4382 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
4383 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
4384 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
4385 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
4386 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
4387 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
4388 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
4389 * i386/freebsd.h, i386/linux.h : Likewise.
4390 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
4391 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
4392 * m68k/mot3300.h, m68k/sgs.h : Likewise.
4393 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
4394 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
4395 (CASE_VECTOR_SHORTEN_MODE): Define.
4396 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
4397 (med_branch_p, braf_branch_p): Don't declare.
4398 (mdep_reorg_phase, barrier_align): Declare.
4399 (ADJUST_INSN_LENGTH): Remove alignment handling.
4400 * sh.c (uid_align, uid_align_max): Deleted.
4401 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
4402 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
4403 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
4404 (output_far_jump): Don't use braf_branch_p.
4405 (output_branchy_insn): Don't use branch_offset.
4406 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
4407 Remove paired barrier stuff.
4408 Don't use cache_align_p.
4409 Take alignment insns into account.
4410 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
4412 (barrier_align, branch_dest): New function.
4413 (machine_dependent_reorg, split_branches): Remove infrastructure
4414 for branch shortening that is now provided in the backend.
4415 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
4416 (braf_branch_p, braf_cbranch_p): Likewise.
4417 (attribute length): Use new attributes.
4418 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
4419 (addr_diff_vec_adjust): Delete.
4420 (align_2): Now a define_expand.
4421 (align_log): Now length 0.
4423 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
4425 * m32r.md (right): Correctly check for length == 2, not 1.
4427 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 * mips/mips.h: Prototype `machine_dependent_reorg'.
4430 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
4432 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4434 * final.c (shorten_branches): Restore accidentally removed code.
4436 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4438 * configure.in: Remove duplicate uses of AC_PROG_CC and
4441 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
4443 * configure.in (target_cpu_default2): Correct typo for alphapca56.
4445 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
4446 Doug Evans (devans@cygnus.com)
4448 * haifa-sched.c (build_jmp_edges): Delete dead function.
4449 (build_control_flow): Use cfg routines from flow.c
4450 (schedule_insns): Remove debugging code accidentally checked
4453 * basic-block.h: Add external integer list structures, typdefs,
4454 accessor macros and function declarations. Simlarly for
4455 basic block pred/succ support and simple bitmap stuff.
4456 * flow.c: Add functions for integer list, basic block pred/succ
4457 support and simple bitmap support.
4458 (compute_dominators): New function to compute dominators and
4460 (find_basic_blocks): Split into two functions.
4461 (life_analysis): Likewise.
4462 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
4463 the life_analysis from toplev.c
4464 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
4465 life_analysis instead of flow_analysis.
4467 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4469 * jump.c (jump_optimize): Call mark_jump_label also for deleted
4471 (mark_jump_label): Don't increment ref counts for deleted insns.
4473 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4475 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
4477 * mips/mips.c: Include stdlib.h and unistd.h.
4478 (mips_asm_file_end): Add braces around empty body in an if-statement.
4479 (function_prologue): Wrap variable `fnname' in
4480 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
4481 (mips_select_rtx_section, mips_select_section): Declare as void.
4483 * mips/mips.h: Add prototypes for extern functions in mips.c.
4484 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
4485 (ENCODE_SECTION_INFO): Add braces around empty body in an
4488 * mips/mips.md (movdi): Add parentheses around && within ||.
4489 (movsf, movdf): Likewise.
4490 (branch_zero, branch_zero_di): Add default case in
4494 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
4496 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
4497 real constants, since they can't be changed.
4498 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4499 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
4500 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4501 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4502 * alpha/vms.h (TARGET_OPEN_VMS): New.
4503 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
4505 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
4507 * reload.c (find_reloads): Always force (subreg (mem)) to be
4508 reloaded if WORD_REGISTER_OPERATIONS.
4510 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
4512 * haifa-sched.c (free_list): Rename from free_pnd_lst.
4513 (free_pending_lists): Rename free_pnd_lst uses.
4514 (remove_dependence): Place expunged element on unused_insn_list.
4515 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
4516 gen_rtx_*_LIST and alloc_rtx to use them.
4517 (compute_block_backward_dependences): Free the reg_last_* lists.
4519 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
4521 * cccp.c (main): Avoid undefined behavior when setting pend_includes
4524 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4526 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
4527 USE_GNULIBC_1 is defined
4528 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
4529 includes the t-linux-gnulibc1 fragment
4531 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
4533 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
4535 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4537 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
4539 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4541 * final.c (shorten_branches): Tag the loop alignment onto the
4542 first label after NOTE_INSN_LOOP_BEG even if there is an
4545 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4547 * final.c (insn_current_reference_address):
4548 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
4549 proper alignment chain.
4551 * final.c (max_labelno): New static variable.
4552 (final_scan_insn): Check max_labelno before outputting an
4553 alignment for a label.
4554 (shorten_branches): Remove unused variable length_align.
4556 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4558 * sparc.c (ultrasparc_adjust_cost): Add default case in
4561 * sparc.h: Add prototypes for extern functions defined in
4564 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
4566 * toplev.c: Only generate <name>.dbr file when dumping RTL if
4567 DEALY_SLOTS is defined.
4569 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
4571 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
4572 in call to fill_slots_from_thread.
4574 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
4576 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
4577 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
4579 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4581 * final.c (insn_last_address, insn_current_align, uid_align):
4583 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
4584 (insn_current_reference_address): Likewise.
4585 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
4586 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
4587 (label_to_alignment): New function.
4588 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
4589 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
4590 insn_current_reference_address instead of insn_current_address.
4591 (or_attr_value, write_length_unit_log): New functions.
4592 (main): Call write_length_unit_log.
4593 (write_const_num_delay_slots): Output extra '\n'.
4594 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
4596 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
4597 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
4598 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
4600 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
4601 (LABEL_ALIGN_AFTER_BARRIER).
4602 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
4603 * ns32k/tek6000.h: Likewise.
4604 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
4605 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
4606 ASM_OUTPUT_ALIGN_CODE.
4608 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
4610 * version.c: Bump for snapshot.
4612 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
4614 * version.c: Bump for snapshot.
4616 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
4618 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
4619 if condition code of jump conflicts with opposite_needed.
4621 * reorg.c (fill_slots_from_thread): Mark resources referenced in
4622 opposite_needed thread. Return delay_list even when cannot get
4623 any more delay insns from end of subroutine.
4625 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
4627 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
4628 All callers changed.
4630 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4632 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
4633 end_fde_sort): New functions for fast sorting of an FDE array.
4634 (fde_insert): Simplified.
4635 (add_fdes): Change argument list.
4636 (frame_init): Use the new functions.
4638 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
4640 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
4642 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
4644 * fold-const.c (fold_range_test): Always return a value.
4646 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
4648 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
4649 data in the text section unless READONLY_DATA_SECTION is defined.
4651 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
4653 * c-parse.in (undeclared variable error): Tweak error message to
4656 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
4658 * version.c: Bump for snapshot.
4660 1998-02-28 Mark Mitchell <mmitchell@usa.net>
4662 * final.c (final_scan_insn): Undo overzealous removal of `set'.
4664 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4666 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
4667 case, add parentheses to specify the proper order of precedence in
4671 * c-aux-info.c: Include string.h/strings.h.
4673 * pa.c: Include stdlib.h.
4674 (pa_combine_instructions): Prototype the function.
4675 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
4676 (reloc_needed): Add default case for enumeration switch.
4677 (remove_useless_addtr_insns): Remove unused variable `all'.
4678 (hppa_expand_prologue): Add explicit braces to avoid
4680 (output_function_epilogue): Remove unused variable `i'.
4681 (output_millicode_call): Remove unused variable `link'.
4682 (shadd_constant_p, forward_branch_p): Make the function static.
4683 (following_call): Explicitly declare to return int.
4684 (pa_reorg): Declare as void.
4685 (pa_combine_instructions): Declare as static void. Add
4686 parentheses around && within ||.
4688 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
4689 following_call, function_label_operand, lhs_lshift_cint_operand
4692 * pa.md: Add parentheses around && within ||.
4694 * cppalloc.c: Include stdlib.h.
4696 * cpperror.c (cpp_print_containing_files): Remove unused variable
4697 `i'. Fix format specifier in fprintf.
4699 * cse.c (cse_around_loop): Add explicit braces to avoid
4701 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
4703 * expr.c (expand_expr): Add parentheses around && within ||.
4705 * final.c (app_enable): Replace fprintf with fputs where there are
4706 no format specifiers and no trailing argument after the string.
4707 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
4708 (app_disable): Likewise.
4709 (final_end_function): Likewise.
4710 (final_scan_insn): Likewise. Remove unused variable `set'.
4711 (profile_function): Wrap empty if-statement body in {} brackets.
4713 * function.c: Include stdlib.h.
4714 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
4715 (reposition_prologue_and_epilogue_notes): Add parentheses
4716 around assignment used as truth value.
4718 * integrate.c (expand_inline_function): Wrap variable
4719 `cc0_insn' in macro HAVE_cc0.
4721 * jump.c (jump_optimize): Wrap variable `q' in macro
4722 HAVE_cc0. Remove unused variable `prev1'.
4724 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
4725 within ||. Fix format specifier in fprintf.
4726 (__bb_init_prg): Add parentheses around assignment used as
4729 * local-alloc.c: Include stdlib.h.
4730 (requires_inout): Add parentheses around assignment used
4733 * loop.c (analyze_loop_iterations): Wrap prototype and definition
4734 in macro HAVE_decrement_and_branch_on_count.
4735 (insert_bct, instrument_loop_bct): Likewise.
4736 (move_movables): Add parentheses around assignment used as
4738 (consec_sets_invariant_p): Likewise.
4739 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
4741 * objc/objc-act.c: Include stdlib.h.
4742 (lookup_method_in_protocol_list): Wrap empty else-statement body
4744 (lookup_protocol_in_reflist): Likewise.
4745 (objc_add_static_instance): Remove unused variables `decl_expr'
4747 (get_objc_string_decl): Remove unused variable `decl'.
4748 (generate_static_references): Remove unused variables `idecl' and
4750 (check_protocols): Wrap empty else-statement body in braces.
4752 * protoize.c: Include stdlib.h.
4753 (substr): Add parentheses around assignment used as truth value.
4754 (abspath): Likewise.
4755 (shortpath): Likewise.
4757 * regmove.c (fixup_match_1): Add parentheses around assignment
4758 used as truth value.
4760 * reload.c (push_secondary_reload): Remove unused variable `i'.
4761 (find_reloads): Add parentheses around assignment used as truth
4764 * reload1.c: Include stdlib.h.
4766 * rtl.h: Correct typo in prototype of offsettable_memref_p.
4768 * stmt.c (add_case_node): Add parentheses around assignment used
4770 (case_tree2list): Likewise.
4772 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
4773 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
4774 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
4775 (merge_attributes): Add explicit braces to avoid ambiguous
4778 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
4781 * varasm.c: Include stdlib.h.
4784 * system.h: Remove sys/stat.h.
4785 * gcc.c: Add sys/stat.h.
4787 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
4788 * genattrtab.c: Likewise.
4789 * genconfig.c: Likewise.
4790 * genemit.c: Likewise.
4791 * genextract.c: Likewise.
4792 * genflags.c: Likewise.
4793 * genopinit.c: Likewise.
4794 * genoutput.c: Likewise.
4795 * genpeep.c: Likewise.
4796 * genrecog.c: Likewise.
4797 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
4799 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4801 * invoke.texi: Use @itemx for a secondary item in a @table.
4803 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
4806 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
4808 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
4810 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
4812 * i386.c (struct machine_function): Add new fields for PIC stuff.
4813 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
4815 (restore_386_machine_status): Corresponding changes.
4816 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
4818 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
4820 * c-parse.y (undeclared variable error): Tweak error message
4823 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
4825 * flags.h (g_switch_value, g_switch_set): Declare.
4826 * alpha.c (override_options): Set g_switch_value=8 if not set.
4827 * alpha/elf.h (CC1_SPEC): New.
4829 (LINK_SPEC): Pass along the -G value we were given.
4830 (LOCAL_ASM_OP): Remove.
4831 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
4832 (MAX_OFILE_ALIGNMENT): New.
4833 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
4834 (EXTRA_SECTIONS): Add sbss and sdata.
4835 (SECTION_FUNCTION_TEMPLATE): New.
4836 (EXTRA_SECTION_FUNCTIONS): Use it.
4837 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4838 (SELECT_SECTION): Use sdata when small enough.
4839 * alpha/linux.h (ASM_SPEC): Remove.
4842 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4843 * config.sub (sco5): Fix typo.
4845 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
4847 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
4849 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
4850 * config/alpha/t-linux: Remove file.
4851 * config/sparc/t-linux: Remove file.
4852 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
4853 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
4854 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
4856 (alpha*-*-linux-gnu*): Likewise.
4857 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
4858 (sparc-*-linux-gnu*): Likewise.
4860 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
4861 * collect2.c (ldd_file_name): Bracket declaration with same
4863 (full_real_ld_suffix): Deleted. Variable was calloced and
4864 written into, but never read.
4866 1998-02-23 Mike Stump <mrs@wrs.com>
4868 * configure.in: Add support for i386-wrs-vxworks configuration.
4869 * i386/vxi386.h: New file.
4871 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4873 * tree.c (contains_placeholder_p): Ensure function always returns
4875 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
4876 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
4878 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
4880 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
4882 1998-02-22 Paul Eggert <eggert@twinsun.com>
4884 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
4885 Define this new symbol.
4886 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
4887 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
4888 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
4890 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
4892 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
4893 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
4895 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
4897 * objc/Object.m (-error): Call objc_verror with our va_list.
4899 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4901 * collect2.c (scan_prog_file): Completely cover uses of variable
4902 `exports' with macro COLLECT_EXPORT_LIST.
4904 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
4906 * version.c: Bump for snapshot.
4908 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
4910 * sched.c (schedule_block): Remove code to get arguments from hard
4911 regs into pseudos early. Same as Aug 25, 1997 change to
4914 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
4916 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
4918 1998-02-16 Mark Mitchell <mmitchell@usa.net>
4920 * toplev.c (rest_of_compilation): Do not defer the output of a
4923 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
4925 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
4926 continuation character (line 243).
4928 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4930 * genrecog.c (main): Remove duplicated sentence in emitted comment.
4932 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
4933 David Edelsohn <edelsohn@mhpcc.edu>
4935 * collect2.c (XCOFF_SCAN_LIBS): Remove.
4936 (export_flag): New variable.
4937 (export_file): #ifdef COLLECT_EXPORT_LIST.
4938 (import_file, exports, imports, undefined): New variables.
4939 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
4940 (dump_list, dump_prefix_list, is_in_list): New functions.
4941 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
4942 (write_import_file, resolve_lib_name): New functions.
4943 (use_import_list, ignore_library): Same.
4944 (collect_exit): maybe_unlink import_file and #ifdef.
4946 (main): New variable importf, #ifdef exportf. Move parsing of
4947 -shared before general argument parsing. Resolve AIX library
4948 paths and import libgcc.a symbols. Treat .so shared libraries the
4949 same as objects and .a libraries. Create alias for object_lst and
4950 increment it instead of original pointer. Scan AIX libraries as
4951 objects earlier instead of using scan_libraries. Perform AIX
4952 tlink later to resolve templates instead of forking ld.
4953 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
4954 (GCC_UNDEF_SYMBOL): New macro.
4955 (scan_prog_file): Loop for members of AIX libraries. Handle
4956 export/import of ctors/dtors.
4957 (aix_std_libs): New variable.
4958 (scan_libraries, XCOFF): Delete.
4960 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
4962 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
4964 1998-02-19 Mike Stump <mrs@wrs.com>
4966 * Makefile.in: Use $tooldir for sys-include to match toplevel
4969 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
4970 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4972 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
4974 * emit-rtl.c (hard-reg-set.h): Include.
4975 (get_lowpart_common): Don't make new REG for hard reg in a
4976 class that cannot change size.
4977 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
4979 * combine.c: Revert previous patch.
4981 1998-02-19 Paul Eggert <eggert@twinsun.com>
4983 * config/sparc/sol2-sld.h: New file.
4984 * configure.in (sparc-*-solaris2*): Use it when using the
4987 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
4989 * loop.c (force_movables): Fix typo.
4991 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
4993 * m88k.h: Change file pattern to match reality.
4995 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
4997 * varasm.c (output_constant_pool): Fix dumb thinko in last
5000 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5001 a function name to a section name.
5003 1998-02-18 Doug Evans <devans@cygnus.com>
5005 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5006 (split_specs_attrs, strip_attrs): Add prototypes.
5007 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5008 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5009 Update olddecl's attributes too.
5010 * c-common.c (strip_attrs): New function.
5011 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5012 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5013 (make_decl_rtl): Likewise.
5015 1998-02-18 Jim Wilson <wilson@cygnus.com>
5017 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5019 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5021 Remove this change until we can fix it correctly.
5022 * collect2.c: Bracket declaration of 'exportf' and
5023 'full_real_ld_suffix'.
5025 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5027 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5029 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5031 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5032 c_expand_start_else): Don't warn about non-ambiguous else even if
5035 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
5037 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
5038 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
5041 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
5043 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
5044 simplifying a subreg of a hard reg.
5045 (expand_compound_operation): Likewise.
5046 (force_to_mode): Likewise.
5048 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5050 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
5051 (lshift_double): Add parentheses around + or - inside shift.
5052 (rshift_double): Likewise.
5053 (size_int_wide): Explicitly set type of `bit_p' to `int'.
5055 * Makefile.in (fold-const.o): Depend on system.h.
5057 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
5060 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
5061 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5062 (sched_note_set): Remove unused parameter `b', all callers changed.
5063 (schedule_block): Likewise for `rgn'.
5064 (split_hard_reg_notes): Likewise for `orig_insn'.
5065 (check_live): Likewise for `trg'.
5066 (update_live): Likewise.
5067 (check_live_1): Explcitly declare variable `i' as int.
5068 (update_live_1): Likewise.
5069 (insn_issue_delay): Remove unused variable `link'.
5070 (sched_analyze_2): Add default case in enumeration switch.
5071 (schedule_insns): Remove unused variable `i'.
5073 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
5075 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
5077 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
5078 a dangling else clause.
5080 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
5082 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
5083 pointer for the stack pointer in MIPS16 and 64BIT.
5085 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5087 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
5088 * emit-rtl.c (force_line_numbers, restore_line_number_status):
5090 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
5091 (expand_start_case): Adjust to this change.
5092 (check_seenlabel): New function.
5093 (pushcase, pushcase_range, expand_endcase): Use it.
5095 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5097 * i386.md (adddi3): Add =!r,0,0,X alternative.
5099 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5101 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
5102 * x-aix31 (INSTALL): Delete.
5104 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
5106 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
5107 tsize changes to something other than zero.
5109 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
5111 * ginclude/va-mips.h: Replace casts of pointers to int with
5112 casts of pointers to __PTRDIFF_TYPE__.
5114 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
5116 * loop.c (strength_reduce, record_biv, record_giv): Use
5117 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
5119 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
5121 * tree.c (first_rtl_op): New fn.
5122 (unsave_expr_now): Use it.
5123 * print-tree.c (print_node): Likewise.
5124 * tree.c (has_cleanups): New fn.
5125 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
5126 conservative about pushing the cleanup point down.
5127 * tree.h: Declare them.
5129 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
5131 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
5132 (flag_schedule_reverse_after_reload): Likewise.
5133 (f_options): Remove reverse scheduling support.
5134 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
5135 (flag_schedule_reverse_after_reload): Likewise.
5136 * haifa-sched.c (rank_for_schedule): Remove support for reverse
5139 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5141 * gcc.c: Get system includes, prototypes and macros via "system.h"
5142 instead of doing it manually. Change all calls of the ctype
5143 macros to custom versions defined in "system.h".
5145 * system.h: Fix return type of bcmp prototype from `void' to `int'.
5146 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
5147 Add a prototype for getenv.
5149 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
5151 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
5153 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
5155 * alias.c: Include <stdlib.h> and <string.h>.
5156 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
5158 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
5160 * version.c: Bump for snapshot.
5162 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
5164 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5166 (movdfcc): Only accept fpu_add_operand for operands[3].
5168 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
5169 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
5171 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
5173 * varasm.c (output_constant_pool): Bring back 'done' label inside
5174 an appropriate #ifdef.
5176 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
5178 (bitmap_copy, bitmap_operation): Likewise.
5179 * combine.c (combinable_i3pat): Similarly for 'src'.
5180 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
5181 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
5182 * regclass.c (copy_cost): Similarly for 'secondary_class'.
5183 * reload.c (make_memloc): Simliarly for 'i'.
5184 (find_reloads_address_1): Similarly for 'link'.
5185 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
5186 (emit_reload_insns): Similarly for 'second_reloadreg'.
5187 * unroll.c (iteration_info): Similarly for 'v'.
5189 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
5190 * calls.c (expand_call): Similarly for 'i'.
5191 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
5192 * fold-const.c (strip_compund_expr): Similarly for 'type'.
5193 * function.c (fixup_var_refs_1): Similarly for 'width'.
5194 (fixup_memory_subreg): Similarly for 'saved'.
5195 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
5196 (setjmp_protect): Similarly for 'sub'.
5197 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
5198 * loop.c (record_giv): Similarly for 'p'.
5199 (combine_givs): Similarly for 'temp_iv'.
5200 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
5201 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
5202 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
5203 * unroll.c (unroll_loop): Similarly for 'copy'.
5204 (iteration_info): Similarly for 'b'.
5205 * varasm.c (assemble_string): Similarly for 'i'.
5206 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
5208 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
5210 * c-lang.c (lang_print_xnode): New function.
5211 * objc/objc-act.c (lang_print_xnode): Likewise.
5212 * print-tree.c (print_node): Call it
5214 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
5216 * dwarf2out.c (decl_scope_node): New type.
5217 (decl_scope_table): Change type to use it.
5218 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
5219 (push_decl_scope): Use new type. New locals containing_scope, i.
5220 Add code to handle setting previous field.
5221 (scope_die_for): Change type of local i to int. Add code to use
5223 (dwarf2out_init): Use new type.
5225 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
5227 * except.c (emit_throw): Lose throw_used.
5229 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5231 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
5233 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
5235 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
5237 * genextract.c (main): Fix typo.
5239 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
5241 * c-lang.c (finish_file): Bracket declaration of static_ctors,
5244 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
5245 'old_stack_arg_under_construction'
5246 (emit_library_call): Bracket declaration of 'upper_bound',
5247 'lower_bound', 'i', 'reg_parm_stack_space'
5248 (emit_library_call_value): Likewise.
5251 * collect2.c: include <unistd.h> when appropriate.
5252 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
5254 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
5256 * explow.c (plus_constant_for_output_wide): Remove unused variable
5258 (memory_address): Remove unused variable 'orig_x'.
5260 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
5261 (write_const_num_delay_slots): Remove unused variable 'i'.
5263 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
5264 (gen_insn): Remove unused variable 'obstack_ptr'.
5266 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
5268 (__bb_exit_trace_func): Remove unused variable 'e'.
5270 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
5272 (expand_unop): Remove unused variable 'funexp'.
5273 (expand_complex_abs): Remove unused variable 'funexp'.
5274 (init_optabs): Bracket declaration of 'j'.
5275 (init_complex_libfuncs): Deleted. Dead static function.
5277 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
5279 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
5280 (reg_to_stack): 'initialized', 'before_function_beg'
5281 explictly type as ints instead of defaulting.
5282 (emit_swap_insn): Remove unused variable 'i2'.
5283 (compare_for_stack_reg): Remove unused variable 'src_note'.
5285 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
5287 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
5289 * stmt.c (add_case_node): Add parens for assignment used as truth.
5290 (all_cases_count): Remove unused variable 'count_high'.
5291 (mark_seen_cases): Remove unused variable 'i'.
5292 (check_for_full_enumeration_handling): Remove unused variable 't'.
5293 Bracket declaration of 'all_values', 'l'.
5295 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
5297 * varasm.c (assemble_string): Remove unused variable 'i'.
5298 (immed_double_const): Remove unused variable 'in_current_obstack'.
5299 (immed_real_const_1): Likewise.
5300 (output_constant_pool): Remove unreferenced label 'done'.
5301 (output_constant): Remove unused variable 'x'.
5303 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
5306 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
5309 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5311 * combine.c (can_combine_p): Handle USEs in PARALLELs.
5313 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
5315 * config/linux.h (LIB_SPEC): Add -lc for -shared if
5316 USE_GNULIBC_1 is not defined.
5317 * config/sparc/linux.h; Ditto.
5319 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
5321 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
5322 USE_GNULIBC_1 is not defined.
5324 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5326 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
5329 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5331 * system.h: New file to get common systems includes and various
5332 definitions and declarations based on autoconf macros.
5334 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
5336 * cccp.c (new_include_prefix): Correctly handle -I./.
5338 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
5340 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
5342 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
5344 * expr.c (expand_assignment): Correct typo exposed by -Wall.
5345 offset should have been a truth value, not an assignment.
5347 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
5349 * cse.c (delete_dead_from_cse): If a libcall produces a constant
5350 result and that result can be substituted into SET_SRC of the
5351 insn with the REG_RETVAL note, then perform the substitution
5352 and delete the libcall.
5354 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
5356 * mips.md (trucndihi2,truncdiqi2): Change these to support
5359 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
5361 * mips/mips.c (movdi_operand): Direct referances to symbols
5362 that arn't mips16 consts in mips16 mode arn't valid operands.
5364 * mips/mips.c (mips_move_2words): Add gprel handling.
5366 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
5368 * mips.md (extendsidi2): Allow extension to/from a non-mips16
5371 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
5373 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
5376 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5378 * Makefile.in (WARN_CFLAGS): New variable.
5379 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
5381 1998-02-11 Mark Mitchell <mmitchell@usa.net>
5383 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
5384 falling through default case in switch.
5385 (i386_aligned_p): Likewise.
5387 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
5389 * mips/mips.h (mips_abi_string): Correct typo in comment.
5391 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
5393 * mips/mips.md (movdi): These PLUS's need to be Pmode.
5395 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
5398 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
5399 indirectly via expr.h.
5401 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
5403 * stor-layout.c (layout_type): Do upper - lower in the native type,
5404 so as to properly handle negative indices.
5406 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
5408 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
5409 (expand_eh_region_start_tree): Remove unused variable 'note'.
5410 (exception_optimize): Remove unused variable 'regions'.
5411 (expand_builtin_eh_stub): Remove unused variable 'temp'.
5412 (copy_eh_entry): Deleted. Dead function.
5414 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
5415 'last' with same #if HAVE_load_multiple as use of it.
5416 (move_block_from_reg): Likewise.
5417 (emit_move_insn_1): Remove unused variable 'insns'.
5418 (store_constructor): Bracket declaration of startb, endb with
5419 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
5420 'target', and 'xtarget'.
5421 (expand_builtin_setjmp): Remove unused variables 'op0',
5422 'next_arg_reg', 'old_inhibit_defer_pop'.
5423 (expand_builtin): Remove unused variable 'offset'.
5424 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
5425 (emit_queue): Add parens for assignment used as conditional.
5426 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
5428 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
5430 * i386.c: Added include for recog.h.
5431 (override_options): Removed unused variable p. Initialized regno to
5433 (order_regs_for_local_alloc): Initialized regno to avoid warning.
5434 (legitimize_address): Likewise for 'other'.
5435 (i386_aligned_reg_p): Added default case with abort ().
5436 (print_operand): Likewise.
5437 (reg_mentioned_in_mem): Likewise.
5438 (ix86_expand_binary_operator): Removed unused variables i & insn.
5439 (ix86_expand_unary_operator): Removed unused variable insn.
5440 (output_fp_cc0_set): Removed unused variable unordered_label.
5442 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
5444 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
5445 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
5446 and format string match.
5448 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
5450 * flow.c (life_analysis): Do not conside the stack pointer live at
5451 the end of a function if the fucntio ncalls alloca.
5452 (mark_used_regs): Similarly.
5454 1998-02-10 John F Carr <jfc@mit.edu>
5456 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
5457 1, fzero on alternative 8.
5459 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5461 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
5463 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5465 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
5466 SUBREGs of CONST_INTs.
5468 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
5470 * mips.c (print_operand, function_prologue): Make printf format
5471 match argument type.
5473 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5475 * alpha.c (alpha_return_addr): Remove unused variable `first'.
5476 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
5477 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
5479 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5481 * loop.c (strength_reduce): When placing increment for auto-inc
5482 case, do comparison in loop order.
5484 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
5486 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
5487 not a HOST_WIDE_INT.
5489 * calls.c (expand_call): Change test of expand_inline_function
5490 return value to stop compiler warning.
5492 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
5494 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
5495 Jeff Law (law@cygnus.com)
5497 * regmove.c: Fix various minor formatting problems.
5498 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
5499 is true. Make end of basic block tests consistent through regmove.c.
5500 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
5501 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
5503 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5505 * gansidecl.h: Check for a conflicting macro definition before
5506 attempting to prototype bcopy, bcmp or bzero.
5508 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
5510 * expr.c (clear_pending_stack_adjust): Handle case where a function
5511 calls alloca, but the user has specified -fomit-fframe-pointer.
5513 * function.c (assign_parms): Fix typo in last change.
5515 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
5517 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
5519 (free_path_suffix): Remove unreferenced static function.
5520 (process_command): Remove unused variable temp.
5521 (default_arg): Remove unused variable i.
5522 (do_spec_1): Add parens for assignment used as truth value.
5524 (validate_all_switches): Likewise.
5525 (main): Remove unused variables i, first_time>
5527 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
5529 * calls.c (expand_call): Remove unused variables funtree,
5530 n_regs, and tmpmode.
5532 * dbxout.c, except.c: Include <string.h>/<strings.h>.
5534 * explow.c: (plus_constant_for_output_wide) Removed unused
5535 variable all_constant.
5537 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
5538 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
5539 genrecog.c, global.c, integrate.c , stupid.c : Include
5542 * genextract.c: (walk_rtx) Remove unused variable link.
5544 * genrecog.c: (concat) Remove unreferenced static function.
5546 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
5548 * stmt.c: Include <stdlib.h>.
5549 (expand_asm_operands): Remove unused variable val1.
5550 (expand_return): Remove unused variable block.
5551 (pushcase): Remove unused variables l and n.
5552 (pushcaserange): Likewise.
5554 * unroll.c (unroll_loop): Remove unused variable temp.
5556 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
5558 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
5560 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5562 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
5563 functions for whether they support the %p format specifier.
5564 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
5565 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
5566 * configure, config.in: Rebuild.
5568 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
5570 * function.c (assign_parms): New variable named_arg, with value
5571 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
5573 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
5575 * mips/t-r3900: New - same as t-ecoff but eliminate
5576 multilibs: mips1 and mips3.
5577 * configure.in (tx39*): Use new mips/t-r3900.
5578 * configure: Rebuild.
5579 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
5581 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
5583 * dwarf2out.c: Add old_args_size.
5584 (dwarf2out_args_size): Use it.
5585 (dwarf2out_begin_prologue): Initialize it.
5586 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
5587 pushed args until we see a call.
5588 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
5589 before outputting them.
5591 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
5593 * cplus-dem.c (demangle_template_template_parm): New function.
5594 (demangle_template): Handle template template parameters.
5596 1998-02-02 Mark Mitchell <mmitchell@usa.net>
5598 * calls.c (expand_call): Don't confuse member functions named
5599 realloc, setjmp, and so forth with the standard library
5600 functions of the same names.
5602 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
5604 * stmt.c (expand_asm_operands): Correctly identify asm statements
5607 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5609 * c-common.c (decl_attributes): Flag unrecognized attribute
5610 functions as warnings instead of as errors.
5612 1998-02-05 Marc Lehmann <pcg@goof.com>
5614 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
5615 when -Os is specified.
5616 * toplev.c (main): Don't disable flag_inline_functions anymore when
5619 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5621 * regmove.c: Update.
5622 * flags.h (flag_regmove): Declare.
5623 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
5624 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
5625 Moved into regmove; changed caller.
5626 * toplev.c (rest_of_compilation): Call regmove_optimize also for
5627 expensive_optimizations.
5629 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
5631 * version.c: Bump for snapshot.
5633 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5634 Undo this change (the problem was actually in reload):
5635 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5637 * sh.md (movqi_i+1): New peephole.
5639 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
5641 * jump.c (jump_optimize): Lose calls to modified_in_p they are
5642 not needed anymore due to changes elsewhere in jump.c.
5644 * jump.c (jump_optimize): Fix first arg to modified_in_p in
5647 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
5649 * expr.c (expand_builtin_setjmp): Accept two new arguments for
5650 the labels to branch to on first and subsequent executions. Don't
5651 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
5652 and provide it with the jmp_buf. Use only one of
5653 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
5654 and provide the former with the target label.
5655 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
5656 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
5657 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
5658 insn to replace all of the normal nonlocal_goto code. Don't play
5659 with __dummy. Correct arguments to nonlocal_goto.
5660 * expr.h (expand_builtin_setjmp): Update prototype.
5661 * except.c (start_dynamic_handler): When using builtin_setjmp,
5662 generate more accurate flow information.
5664 * alpha.md (nonlocal_goto_receiver_osf): Delete.
5665 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
5666 (builtin_longjmp, builtin_setjmp_receiver): New.
5667 * sparc.md (update_return): Disambiguate unspec number.
5668 (nonlocal_goto): Rearrange arguments to match caller in except.c.
5669 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
5671 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
5672 (builtin_setjmp_setup*, builtin_longjmp): New.
5674 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
5676 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
5678 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
5680 * vmsconfig.com: Remove bytecode references.
5682 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5684 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
5685 -fno-sjlj-exceptions works for a target that defines
5686 DWARF2_UNWIND_INFO as zero.
5688 * regmove.c (fixup_match_1): Undo last change which removed some
5689 "useless" code, and add a comment explaining this.
5691 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
5693 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
5696 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
5698 * makefile.vms: Remove bytecode references.
5699 Create genrtl files.
5701 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5703 * jump.c (jump_optimize): Allow conditional loading of floating point
5704 constants and constants from memory. Reinstalled modified_in_p tests.
5706 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5708 * loop.c (get_condition): Handle sign-extended constants.
5710 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
5712 * expr.c (emit_push_insn): Add code to use movstrti if present.
5714 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
5715 and movstrqi as in emit_block_move ().
5717 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5719 * config/m68k/x-next: Remove /NextDeveloper/Headers from
5720 the directories to fixinclude - /usr/include is a link
5721 to it and hence its contents are fixed by default.
5723 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5725 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
5727 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
5729 * cccp.c (main): Predefine __VMS_VER on VMS.
5731 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5733 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
5734 * fold-const.c (size_int): Replace with
5736 (make_bit_field_ref): Use bitsize_int for bit position.
5737 * stor-layout.c (sizetype): Delete.
5738 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
5739 (layout_record, layout_union, layout_type):
5740 Use bitsize_int for bit size.
5741 (set_sizetype): New function.
5742 (make_signed_type, make_unsigned_type): Use it.
5743 * c-decl.c (init_decl_processing): Likewise.
5744 * tree.h (size_int): Don't delcare, #define.
5745 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
5746 (set_sizetype): Declare.
5747 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
5749 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
5750 Convert result to sizetype.
5751 (really_start_incremental_init, push_init_level):
5752 Set type of constructor_bit_index to sbitsizetype.
5753 (push_init_level): Use unsigned arithmetic to determine padding.
5754 (output_init_element): Likewise.
5756 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
5758 * combine.c (simplify_shift_const): Fix typo in last change.
5760 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
5762 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
5763 is (truncate (lshiftrt)).
5765 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
5767 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
5768 Make sure result winds up in TGT.
5769 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
5770 src to be other than DImode.
5771 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
5772 (alpha_expand_unaligned_store_words): Likewise.
5773 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
5774 that source and destination are separately optimized for alignment.
5775 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
5777 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
5779 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
5780 with handling of -32768.
5782 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5784 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
5785 shell variable argument instead of only hard coded functions.
5786 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
5788 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
5789 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
5790 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
5791 declarations for bcopy, bcmp and bzero.
5793 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
5795 * gansidecl.h: If we have bcopy but don't declare it, then do so.
5796 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
5797 bzero, index and rindex if they aren't already present.
5799 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
5801 * toplev.c (close_dump_file): Wrap function prototype for
5802 argument "func" in PROTO.
5803 (dump_rtl): Likewise.
5805 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
5807 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
5809 (output_function_epilogue): Omit epilogue if nothing drops through.
5810 (output_move_double): Supress int ldd usage on ultrasparc and v9.
5811 (registers_ok_for_ldd_peep): Likewise.
5812 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
5813 (ultrasparc_adjust_cost): New function.
5814 (sparc_issue_rate): New function.
5815 * sparc.h (MASK_VIS, TARGET_VIS): New
5816 (MASK_V8PLUS, TARGET_V8PLUS): New.
5817 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
5818 (TARGET_SWITCHES): Add vis and v8plus.
5819 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
5820 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
5821 (RTX_COSTS): Use TARGET_HARD_MUL
5822 (ADJUST_COST): Call ultrasparc_adjust_cost.
5824 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
5825 of load & fp appropritely.
5826 (supersparc function units): Adjust for Haifa.
5827 (ultrasparc function units): Likewise.
5828 (get_pc_via_rdpc): All v9, not just arch64.
5829 (movdi_v8plus, movdi_v8plus+1): New.
5830 (adddi3_sp32+1): New.
5831 (subdi3_sp32+1): New.
5832 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
5833 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
5834 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
5835 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
5836 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
5837 (ldd peepholes): Suppress for v9.
5838 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
5839 (return_subsi): Revmove.
5841 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
5843 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
5844 save/restore MEM rtl.
5846 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
5848 * configure.in: Check for declaration of abort.
5849 * acconfig.h: Corresponding changes.
5850 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
5853 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
5855 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
5858 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
5860 * version.c: Bump for snapshot.
5862 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
5864 * configure.in: Check for atoq and atoll.
5865 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
5866 proper routine for converting ascii into long long values.
5868 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
5870 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
5872 * vmsconfig.com: Remove bytecode references.
5874 * alpha/vms.h (PREFIX): Define.
5876 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5878 * am-alpha.h: Don't include alloca for OPEN_VMS.
5880 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
5882 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
5883 (GCC_INCLUDE_DIR): Define
5885 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
5886 * makefile.vms: New file.
5888 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
5890 * alpha.c (output_prolog): Output '.name' directive
5891 for minimal traceback information.
5893 * alpha.c (output_prolog): Don't prepend entry point symbols
5894 with '$' on OPEN_VMS.
5896 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
5897 Jeffrey A Law (law@cygnus.com)
5899 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
5902 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
5904 * genemit.c (gen_exp): Likewise.
5905 * genpeep.c (match_rtx): Likewise.
5906 * genrecog.c (write_tree_1): Likewise.
5908 * c-lex.c (yyprint): Use proper format string based upon
5909 disposition of HOST_BITS_PER_WIDE_INT.
5910 (yylex): Put casts in right place for args to build_int_2.
5912 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
5914 * combine.c: Fix typos in Jan27 changes.
5916 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
5918 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
5919 (LINK_SPEC): Likewise.
5920 (STARTFILE_SPEC): Likewise.
5922 1998-01-28 Mike Stump <mrs@wrs.com>
5924 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
5926 * genattrtab.c (reload_completed): Define.
5928 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
5931 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5933 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
5934 SUBREG_REG if the word count is unchanged, also in the input reload
5935 case. Disable non-applicable sanity checks.
5937 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
5939 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
5941 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
5943 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
5945 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
5947 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
5948 is a TREE_VEC before trying to use it for baseclasses.
5949 (Chill uses the same field for a different purpose.)
5951 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
5953 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
5955 * config.sub: More accurate determination of HP processor types.
5957 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5959 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
5960 prototype for `handle_sysv_pragma', and make it static. Add
5961 parentheses around assignment used as truth value.
5963 * combine.c (combine_instructions): Protect variable `prev' with
5965 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
5966 (extract_left_shift): Add parentheses around operand of &.
5967 (merge_outer_ops): Avoid an empty body in an else-statement.
5968 (gen_rtx_combine): Remove unused variable `i'.
5970 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
5971 function monstartup `void'. Likewise for internal_mcount. Add
5972 `static void' prototype for moncontrol. Reconcile sprintf format
5975 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
5976 Make return type of function_arg_slotno explicitly `int'.
5977 (reg_unused_after): Add parentheses around assignment used as
5979 (save_regs): Add explicit braces to avoid ambiguous `else'.
5980 (function_arg_slotno): Add parentheses around && within ||.
5981 (function_arg_pass_by_reference): Likewise.
5982 (sparc_flat_output_function_prologue): Reconcile fprintf format
5985 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5986 assignment used as truth value.
5988 * cplus-dem.c: Include <stdlib.h>.
5989 (demangle_signature): Avoid an empty body in an else-statement.
5990 (do_type): Remove unused variable `lvl'.
5992 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
5993 Include <string.h>/<strings.h>.
5994 (cpp_lex): Remove unused variable `namelen'.
5995 (cpp_lex): Explicitly declare `num_chars' as an int.
5997 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
5998 <unistd.h> instead. Explicitly declare is_system_include
6000 (make_assertion): Remove unused variable `kt'.
6001 (cpp_expand_to_buffer): Hide variable `obuf'.
6002 (output_line_command): Remove unused variables, `line_end',
6003 `line_cmd_buf' and `len'.
6004 (macarg): Remove unused variable `arg_start'.
6005 (special_symbol): Remove unused variable `i'. Add parentheses
6006 around assignment used as truth value.
6007 (do_include): Remove unused variables `pcfname' and `retried',
6008 hide `pcf' and `pcfbuflimit'.
6009 (do_line): Remove unused variable `i'.
6010 (finclude): Hide variable `missing_newline'.
6011 (cpp_handle_options): Remove unused variable `j'.
6012 (read_token_list): Remove unused variable `eofp'.
6013 (cpp_error_with_line): Remove unused variable `i'.
6014 (cpp_warning_with_line): Likewise.
6015 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6016 (cpp_error_from_errno): Remove unused variable `i'.
6018 * cse.c (invalidate): Add parentheses around assignment used as
6020 (find_best_addr): Move declaration of variable `our_cost' inside
6021 the conditional macro where its used.
6022 (fold_rtx): Avoid an empty body in an if-statement.
6023 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6024 `this_insn_cc0' in macro HAVE_cc0.
6026 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6027 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6028 (output_uleb128): Likewise.
6029 (output_sleb128): Likewise.
6030 (output_cfi): Likewise.
6031 (output_call_frame_info): Remove unused variables `j', `fde_size'
6033 (comp_unit_has_inlines): Hide declaration as per rest of file.
6034 (size_of_line_prolog): Correct typo in prototype.
6035 (add_arange): Likewise.
6036 (output_aranges): Likewise.
6037 (add_name_and_src_coords_attributes): Likewise.
6038 (gen_array_type_die): Likewise.
6039 (gen_inlined_subroutine_die): Likewise.
6040 (equate_decl_number_to_die): Remove unused variable `i'.
6041 (print_die): Reconcile format vs. args in fprintf's.
6042 (print_dwarf_line_table): Likewise.
6043 (output_die): Likewise.
6044 (output_line_info): Likewise.
6045 (add_subscript_info): Avoid an empty body in an else-statement.
6046 (gen_subprogram_die): Remove unused variable `fp_loc'.
6048 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
6049 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
6050 macro. Protect `src_coords_attribute' prototype with
6051 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
6052 prototype as in the rest of the file. Likewise for
6053 `output_pointer_type_die' and `output_reference_type_die'. Remove
6054 prototype for `type_of_for_scope'.
6055 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
6056 (type_attribute): Add explicit braces to avoid ambiguous `else'.
6058 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
6059 (shorten_branches): Protect declaration of tmp_length with
6060 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
6061 (profile_function): Protect declaration of `sval' and `cxt'
6062 variables with appropriate macros.
6063 (final_scan_insn): Likewise for `note' variable. Add explicit
6064 braces to avoid empty body in an if-statement.
6065 (output_asm_insn): Move variable `i' inside macro conditional
6066 where it is used. Add parentheses around assignment used as truth
6068 (asm_fprintf) Likewise, likewise.
6070 * fix-header.c (main): Remove unused variable `done'. Protect
6071 declaration of `i' with FIXPROTO_IGNORE_LIST.
6073 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
6075 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
6078 * profile.c: Include <string.h>/<strings.h>.
6079 (instrument_arcs): Remove unused variables `note', `inverted',
6080 `zero' and `neg_one'.
6081 (branch_prob): Avoid empty body in an if-statement.
6083 * regclass.c: Include <stdlib.h>.
6084 (reg_alternate_class): Explicitly declare parameter `regno'.
6086 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
6087 parentheses around assignment used as truth value.
6088 (find_matches): Remove unused variables `output_operand' and
6090 (fixup_match_1): Remove statement with no effect: "if (0) ;".
6092 * scan.c (sstring_append): Explicitly declare `count' as int.
6093 (scan_string): Explicitly declare parameter `init' as int.
6095 * sched.c: Include <stdlib.h>.
6096 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6097 (rank_for_schedule): Add parentheses around assignment used as
6099 (schedule_block): Likewise.
6100 (regno_use_in): Likewise.
6101 (schedule_insns): Remove unused variable `i'.
6103 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
6104 (v_message_with_decl): Remove unused variable `n'.
6105 (botch): Explicitly declare parameter `s' as char *.
6106 (main): Add parentheses around assignment used as truth value.
6108 * tree.c (make_node): Protect the variable `kind' with the
6109 GATHER_STATISTICS macro.
6110 (real_value_from_int_cst): Move variable `e' inside conditional
6111 macro area where it is used.
6112 (tree_last): Add parentheses around assignment used as truth value.
6113 (build1): Protect the variable `kind' with the GATHER_STATISTICS
6115 (print_obstack_statistics): Reconcile format vs. args in fprintf.
6116 Protect variables `i', `total_nodes', and `total_bytes' with the
6117 GATHER_STATISTICS macro.
6119 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
6121 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
6122 some comments regarding use of dead_or_set_p.
6124 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
6126 * fixincludes: Tweak fix for struct exception in math.h
6128 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
6130 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
6131 Change mode of registers used to add/sub from
6132 hard_frame_pointer_rtx from word_mode to Pmode.
6134 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
6136 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
6137 asm_output_aligned_bss() instead of asm_output_bss().
6139 * toplev.c (rest_of_compilation): Replace references to
6140 stack_reg_dump_file and dbr_sched_dump_file with references to
6143 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6145 * tlink.c (scan_linker_output): Call fclose() for opened files.
6147 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
6149 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
6150 compiling with -fpic -- we want to be able to override symbols
6152 (alpha_expand_block_move): Fix thinko in last change.
6154 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
6155 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
6156 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
6158 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
6160 * alpha.md (abssf, absdf): Revert last change.
6162 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
6164 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
6165 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6167 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
6169 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
6170 a CONST_INT into SFmode.
6172 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
6174 * flags.h: New flag (optimize_size).
6175 * toplev.c (main): Parse -Os option and set optimize_space
6177 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
6178 __OPTIMIZE_SIZE__ when compiling with -Os.
6179 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
6180 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
6181 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
6183 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
6185 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
6187 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
6188 stuff only if MCT_TEXT is #define'd.
6190 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
6192 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
6195 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
6197 * toplev.c: Add -dM command line option to dump RTL after the
6198 machine dependent reorganisation pass, if there is one.
6199 Reorganise RTL dump code, so that only one file handle is
6202 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
6204 * except.c (check_exception_handler_labels): Disable warning when
6207 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
6209 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
6211 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6213 * c-decl.c (grokdeclarator): Get parameter tags from
6214 last_function_parm_tags.
6215 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
6216 traversing the parameter types.
6217 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
6219 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
6221 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
6223 (get_shift_alg): Fix typo.
6225 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
6227 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
6229 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
6231 * toplev.c (get_run_time): Make sure each case gets its variables.
6233 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
6235 * configure.in (build_xm_file): Add auto-config.h if host=build.
6236 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
6237 (build_xm_file_list): Likewise.
6238 * configure: Rebuild.
6240 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6242 * recog.c (validate_replace_rtx_1): Only perform substitutions
6243 of arguments to commutative and comparison operators once.
6245 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6247 * sparc.c (output_cbranch): Add default case in
6250 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
6251 (emit_delay_sequence): Eliminate unused parameter, all callers
6253 (fill_simple_delay_slots): Likewise.
6254 (fill_slots_from_thread): Likewise.
6255 (fill_eager_delay_slots): Likewise.
6256 (mark_referenced_resources): Add default case in enumeration switch.
6257 (mark_set_resources): Likewise.
6258 (rare_destination): Likewise.
6259 (mostly_true_jump): Likewise.
6260 (find_dead_or_set_registers): Likewise.
6261 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
6262 (update_reg_unused_notes): Remove unused variable `p'.
6263 (mark_target_live_regs): Remove unused variables `next' and
6265 (fill_simple_delay_slots): Remove unused variable `j'.
6266 (fill_slots_from_thread): Add parentheses around assignment used
6268 (dbr_schedule): Likewise.
6270 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
6271 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6273 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
6275 * cse.c (simplify_ternary_operation): Don't try to simplify
6276 IF_THEN_ELSE expressions (created by combine) that don't use
6277 relational operators.
6279 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
6281 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
6284 * crtstuff.c (init_dummy): Keep the epilogue in the init
6285 section for non-ELF systems.
6287 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6289 * sh.md (movqi_i+1): New peephole.
6291 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
6293 * Makefile.in: Remove remaining bytecode stuff.
6294 * emit-rtl.c, expr.c: Likewise.
6296 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
6298 * toplev.c (lang_options): Add unknown-pragma options.
6300 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
6302 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
6303 special (and incomplete) handling for Chill arrays.
6305 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
6307 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
6310 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
6312 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
6314 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
6316 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
6317 .frame directive instead of FRAME_POINTER_REGNUM.
6319 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
6321 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
6322 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
6323 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
6324 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
6325 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
6326 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
6327 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6328 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6330 * longlong.h: Replace __mc68332__ with __mcpu32__.
6332 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
6334 * version.c: Bump for snapshot.
6336 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
6338 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
6339 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
6340 * reload1.c (eliminate_regs): Likewise.
6342 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
6344 * regmove.c (find_matches): Initialize matches->earlyclobber too.
6346 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
6348 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
6349 (negsf2, negdf2): Use proper subtract in IEEE mode.
6351 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
6353 * Makefile.in: Remove more bytecode stuff.
6354 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
6355 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
6356 * f/install.texi, objc/Make-lang.in: Likewise.
6358 * Makefile.in: Remove all bytecode support.
6359 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
6360 * emit-rtl.c: Remove all bytecode support.
6361 * expr.c, expr.h function.c, integrate.c: Likewise.
6362 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
6363 * tree.h, varasm.c: Likewise.
6364 * config/m68k/m68k.h: Likewise.
6365 * bi-*, bc-*, bytecode*: Delete bytecode related files.
6366 * modemap.def: Likewise.
6368 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
6370 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
6371 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
6373 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
6375 * i386.md (push): Prohibit symbolic constants if flag_pic.
6376 (movsi+1): Likewise for move to non-register.
6378 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
6380 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
6381 (print_operand): Handle 0xffffffff on 32 bit host.
6383 * configure.in (thread_file): Rename uses before main loop to
6384 target_thread_file. Initialize to empty in main loop. Set thread_file
6385 to target_thread_file after main loop if not set.
6386 * configure: Rebuild.
6388 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
6389 (add_values_to_cover): Revert last change (which had no ChangeLog
6391 (simplify_with_current_value_aux): Handle CONST_INT.
6393 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6395 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
6397 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
6399 * configure.in: Add cpp stringify test.
6400 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
6401 * gengenrtl.c: Use it.
6402 * configure, config.in: Rebuild.
6404 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6406 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
6408 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
6410 * configure.in: Find declaration for sbrk.
6411 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
6412 * config.in, configure: Rebuild.
6413 * mips-tfile.c: Properly protect declaration of sbrk and free.
6414 * toplev.c: Properly protect declaration of sbrk.
6416 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
6418 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
6420 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
6422 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
6424 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
6426 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
6428 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
6430 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
6431 constant offset computations from objects with known alignment in
6432 the presence of STACK_BIAS.
6434 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
6436 (const_hash): Hash val is unsigned long.
6437 (SYMHASH): Likewise.
6439 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
6441 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
6442 char pointer, not HOST_WIDE_INT.
6443 (print_node): Likewise. Also hash is unsigned long not
6446 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
6448 * explow.c (optimize_save_area_alloca): New function for targets
6449 where SETJMP_VIA_SAVE_AREA is true.
6450 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
6451 compute the amount of stack space needed should we find later that
6452 setjmp is never called by this function, stuff rtl for this inside
6453 a REG_NOTE of the final SET of stack_pointer_rtx.
6454 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
6455 current_function_calls_alloca, call optimize_save_area_alloca.
6457 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
6459 * i386.md: Remove redundant integer push patterns.
6460 Don't bother checking for TARGET_PUSH_MEMORY when
6461 pushing constants or registers.
6463 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6464 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
6466 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
6467 (pwait): New function for mingw32.
6469 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
6470 pipe support is broken for now.
6472 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
6474 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
6475 between frame_pointer_rtx, hard_frame_pointer_rtx, and
6476 arg_pointer_rtx is respected in initialization.
6477 (init_emit_once): Use gen_rtx_raw_REG() to create
6478 return_address_pointer_rtx.
6480 * reorg.c: #include "expr.h" for rtx prototypes.
6481 * Makefile.in (reorg.o): Depend on expr.h
6483 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
6485 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
6486 local_prefix to sub-make invocations.
6488 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
6490 * objc-parse.c: Recognize protocol qualifiers in class definitions.
6492 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
6496 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
6497 * configure.in: Check for atol.
6498 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
6500 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
6502 * loop.c (find_and_verify_loops): When attempting to move insns from
6503 inside the loop outside the loop, create a BARRIER if no suitable
6506 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
6507 favor of an equivalent change from gcc-2.8.
6509 * i386/x-sco5 (CC): Remove trailing whitespace.
6511 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6513 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
6514 (accessor_from_format): Likewise.
6515 (xmalloc): New function for use when linking with alloca.o.
6517 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6519 * frame.c (find_fde): Correct FDE's upper bound.
6521 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
6523 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
6525 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
6527 * calls.c (expand_call): Move #ifdef code out of macro argument
6529 (emit_library_call, emit_library_call_value): Likewise.
6531 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
6533 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
6535 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
6537 * version.c: Bump for snapshot.
6539 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
6541 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
6542 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
6543 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
6544 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
6545 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
6546 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
6547 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
6548 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
6549 * unroll.c, varasm.c: Likewise.
6550 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
6552 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
6554 * mips.h: Fix some type-o's from a previous change.
6556 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
6558 * loop.c (check_dbra_loop): Make sure initial value is a
6559 CONST_INT before trying to normalize it.
6561 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
6563 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
6565 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
6567 * cppexp.c: Include gansidecl.h
6569 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
6571 * svr4.h (LINK_SPEC): Never specify -h.
6572 * ptx4.h (LINK_SPEC): Likewise.
6573 * rs6000/sysv4.h (LINK_SPEC): Likewise.
6574 * sparc/sol2.h (LINK_SPEC): Likewise.
6576 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
6578 * c-typeck.c (comptypes): Exit early on NULL input.
6580 * haifa-sched.c (schedule_insns): Correctly remove inter-block
6581 dependencies after reload.
6583 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6585 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
6587 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
6589 * alpha/vms.h (DIR_SEPARATOR): define
6591 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6593 * Makefile.in (stamp-proto): Remove.
6594 (protoize.o, unprotoize.o): Straightforward compile.
6595 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
6597 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6599 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
6600 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
6602 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
6604 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
6605 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
6606 * sparc/netbsd.h, vax/netbsd.h: Likewise.
6608 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
6610 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
6612 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
6614 * configure.in (target_cpu_default, target_cpu_default2): Use double
6615 quotes around them when testing their value.
6616 * configure: Rebuilt.
6618 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
6620 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
6622 (gendef): Call obstack_alloc_rtx.
6624 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
6626 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
6629 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
6631 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
6632 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
6633 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
6635 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
6637 * mips.md (return_internal): Change mode from SImode to VOIDmode.
6639 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
6641 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
6644 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
6646 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
6647 suffix from operand 3.
6649 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6650 Jeffrey A Law (law@cygnus.com)
6652 * regmove.c: New implementation of regmove pass.
6653 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
6654 decls, make them have external linkage. Return a value from
6655 optimize_reg_copy_1.
6656 * reload.h (count_occurrences): Add decl.
6657 * reload1.c (count_occurrences): Delete decl, make it have external
6659 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
6661 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
6663 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
6664 if it is not defined.
6666 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
6668 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
6669 * emit-rtl.c (gen_rtx): Move special code to ...
6670 (gen_rtx_CONST_INT): New function.
6671 (gen_rtx_REG): New function.
6672 (*): Update all calls to gen_rtx.
6673 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
6674 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
6675 (GEN_INT): Call gen_rtx_CONST_INT.
6676 * gengenrtl.c: New file.
6678 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
6680 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
6681 (base_alias_check): If no base found for address call canon_rtx and
6684 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
6686 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
6687 arguments for mips16.
6688 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
6689 Don't lose if tsize is zero after handling large stack for mips16.
6690 * mips.md (return): For trivial return, return address is in $31.
6692 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
6694 * mips/mips16.S: Various changes to make it work with -msingle-float
6697 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
6698 Ian Lance Taylor <ian@cygnus.com>
6699 Jeff Law <law@cygnus.com>
6701 * mips.c, mips.h, mips.md: First cut at merging in mips16
6702 support. Major modifications throughout all three files.
6704 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
6706 * configure.in: Make gthr-default.h a forwarding header instead of
6709 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6711 * gcov-io.h: Include sys/types.h to ensure we get size_t.
6713 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
6715 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
6716 Jeffrey A Law (law@cygnus.com)
6718 * crtstuff.c (__frame_dummy): New function for irix6.
6719 (__do_global_ctors): Call __frame_dummy for irix6.
6720 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
6722 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
6724 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
6726 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
6728 * c-decl.c (init_decl_processing): Provide proper fallback symbol
6729 for __builtin_memset.
6730 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
6731 not INTEGER_CST. Assert arg 3 is a constant.
6733 * alpha.c (mode_width_operand): Accept 64-bit modes.
6734 (mode_mask_operand): Likewise.
6735 (print_operand): Likewise for 'M' and 'U' codes.
6736 (alpha_expand_unaligned_load): New function.
6737 (alpha_expand_unaligned_store): Likewise.
6738 (alpha_expand_unaligned_load_words): Likewise.
6739 (alpha_expand_unaligned_store_words): Likewise.
6740 (alpha_expand_block_move): Likewise.
6741 (alpha_expand_block_clear): Likewise.
6742 * alpha.h (MOVE_RATIO): New define.
6743 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
6744 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
6746 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
6747 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
6749 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
6751 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
6752 * configure: Update.
6754 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
6756 * emit-rtl.c (operand_subword): Correctly handle extracting a word
6757 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
6759 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
6762 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
6764 * configure.in: Set and subsitute host_exeext. Use it when creating
6765 the assembler and linker symlinks.
6766 * configure: Rebuild.
6767 * Makefile.in (exeext): Set to @host_exeext@.
6768 (build_exeext): New variable, set to @build_exeext@.
6769 (FLAGS_TO_PASS): Pass down build_exeext.
6770 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
6773 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
6775 * mn10200.md (addsi3, subsi3): Fix thinkos.
6777 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
6779 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
6780 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
6781 unix always, since we want to be able to thunk to functions in a
6782 shared library from an application.
6784 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
6786 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6787 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
6789 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
6791 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
6792 offset's mode is not ptr_mode, convert it.
6794 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
6796 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
6797 compiling if it was already defined.
6799 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
6801 * flow.c (find_basic_blocks): Don't create a new basic block
6802 for calls in a LIBCALL block.
6804 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
6806 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
6808 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
6810 * cse.c (rtx_cost): Remove conflicting default case.
6812 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
6814 * configure.in: Move default enabling of Haifa out of for loop.
6815 * configure: Rebuild.
6817 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
6819 * version.c: Bump for snapshot.
6821 1997-12-25 Teemu Torma <tot@trema.com>
6823 * Makefile.in (GTHREAD_FLAGS): New var.
6824 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
6825 (distclean): Remove gthr-default.h.
6827 * configure.in: Accept dce as a thread package.
6828 Check for thread.h and pthread.h.
6829 Link gthr-default.h to appropriate thread file and set
6831 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
6832 include multilib definitions from pa/t-dce-thr.
6833 (sparc-*-solaris2*): Enable threads by default, if thread.h or
6834 pthread.h is found, preferring posix threads over solaris ones.
6836 * config/pa/t-dce-thr: New file.
6837 * config/pa/t-pa: Removed multilibs.
6838 * config/sparc/t-sol2: Ditto.
6841 * gthr-single.h: New file.
6842 * gthr-posix.h: New file.
6843 * gthr-solaris.h: New file.
6844 * gthr-dce.h: New file.
6845 * libgcc-thr.h: Removed.
6846 * objc/thr-dce.c: New file copied from thr-decosf1.c.
6848 * frame.c: Include gthr.h instead of libgcc-thr.h.
6849 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
6850 (eh_context_initialize): If __gthread_once fails, use static eh
6852 (eh_context_free): Call __gthread_key_dtor.
6854 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
6856 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
6858 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
6860 * cse.c (max_insn_uid): New variable.
6861 (cse_around_loop): Use max_insn_uid.
6862 (cse_main): Set max_insn_uid.
6864 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
6865 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
6866 -mlong64, and -mgp{32,64} options.
6867 * mips.c (mips_abi): Change type to int.
6868 * mips.h (enum mips_abi_type): Delete.
6869 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
6870 (mips_abi): Change type to int.
6872 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
6874 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
6875 optimization is now always enabled.
6877 * calls.c (expand_call): Recognize C++ operator new as malloc-like
6880 * alias.c (memrefs_conflict_p): Eliminate tests now done by
6882 (*_dependence): Call canon_rtx before base_alias_check.
6883 (init_alias_once): New function to precompute set of registers which
6884 can hold Pmode function arguments.
6886 * rtl.h: Declare init_alias_once.
6888 * toplev.c (compile_file): Call init_alias_once.
6890 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
6892 * tree.c (restore_tree_status): Do not dereference a null pointer.
6894 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
6896 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
6897 RLIMIT_STACK. This maintains consistency with the recent, similar
6898 patch to cccp.c and toplev.c.
6900 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
6902 * genattrtab.c (expand_units): For large nr opclasses, expand
6903 function_units_used with ORX to prevent blowups. Tag with FFS.
6904 (num_unit_opclasses): New variable.
6905 (gen_unit): Update it.
6906 (enum operator): Add ORX_OP.
6907 (operate_exp): Treat ORX as or, except don't expand across an if.
6908 Reuse number rtx's after operating on them.
6909 (check_attr_value): Accept IOR, AND, & FFS.
6910 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
6911 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
6912 (write_expr_attr_cache, write_toplevel_expr): New functions.
6913 (write_attr_get): Handle FFS-tagged expressions.
6914 (make_canonical): Don't expand const attributes.
6915 (convert_const_symbol_ref): Dike out.
6916 (evaluate_eq_attr): Handle SYMBOL_REF.
6917 (main): Don't emit get_attr_foo for const attributes.
6919 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
6920 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
6921 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
6922 * alpha.md: Redo all of the scheduling, adding EV6 support, and
6923 combining function units where possible.
6924 (attr "type"): Split loads, stores, cmov into int/fp. Combine
6925 multiplies and divides. Add EV6 sqrt, ftoi, itof.
6926 (attr "opsize"): New attribute.
6927 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
6928 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
6929 to control register allocation.
6930 (movsi2-1, movdi2-1): Likewise.
6932 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
6934 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
6935 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
6936 Move OSF/1 specific defines out.
6937 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
6938 Move Linux specific defines out.
6939 (LINK_SPEC): Genericize.
6940 (ASM_FILE_START): Emit .arch if using more than the base insn set.
6941 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
6942 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
6943 (HANDLE_SYSV_PRAGMA): Define.
6944 * alpha/osf.h: New file.
6945 * alpha/linux.h: Split. Retain file-format independant defines.
6946 Import Linux bits from elf.h.
6947 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
6948 (FUNCTION_PROFILER): _mcount takes its address in $28.
6949 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
6950 * alpha/linux-ecoff.h: New file.
6951 * alpha/linux-elf.h: New file.
6952 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
6953 * alpha/win-nt.h (TARGET_DEFAULT): Define.
6954 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
6955 Add new headers as appropriate.
6957 * configure.in (alpha*): Enable Haifa by default.
6958 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
6959 * configure: Rebuild.
6961 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
6963 * Makefile.in (clean): Remove the stages with their objects here ...
6964 (distclean): ... instead of here.
6966 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6968 * cse.c (rtx_cost): Add default case in enumeration switch.
6969 * fix-header.c (recognized_macro): Likewise.
6970 (recognized_extern): Likewise.
6971 (write_rbrac): Likewise.
6972 * objc/objc-act.c (encode_aggregate): Likewise.
6973 (gen_declarator): Likewise.
6974 (gen_declspecs): Likewise.
6976 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
6978 * haifa-sched.c (create_reg_dead_note): Detect and handle another
6979 case where we kill more regs after sched than were killed before
6981 * sched.c (create_reg_dead_note): Similarly.
6983 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
6985 * c-pragma.c: Include flags.h.
6987 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
6989 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
6990 about system headers.
6991 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
6992 and also to resolve symbols in prefix.c.
6994 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
6995 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
6996 when the definitions in auto-config.h is not visible.
6997 (HAVE_BZERO): Likewise.
6998 (HAVE_BCMP): Likewise.
6999 (HAVE_RINDEX): Likewise.
7000 (HAVE_INDEX): Likewise.
7002 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7004 * pa.c (emit_move_sequence): Handle a function label source
7007 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7009 * c-pragma.c (handle_pragma_token): Generate warning messages
7010 about unknown pragmas if warn_unknown_pragmas is set.
7012 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7013 line option to set variable: warn_unknown_pragmas.
7015 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7017 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7019 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7021 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7023 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7024 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7025 generate more fine grained floating point emulation libraries.
7026 * config/fp-bit.c: Add protecting #ifdef to all functions so
7027 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7028 then compile all suitable functions.
7029 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7030 underscores to avoid namespace pollution.
7031 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
7033 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
7037 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 Jeff Law <law@cygnus.com>
7040 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
7042 * c-decl.c (finish_decl): Use parentheses around && within ||.
7043 * rtl.c: Include stdlib.h.
7044 (read_skip_spaces): Add parentheses around assignments used as
7046 (read_rtx): Initialize list_rtx.
7047 * cppexp.c (parse_number): Use || when operands are truth values.
7048 * alias.c (find_base_value): Add default case.
7049 (memrefs_conflict): Likewise.
7050 * combine.c (sets_function_arg_p): Likewise.
7051 * genemit.c (gen_exp): Likewise.
7052 * local-alloc.c (contains_replace_regs): Likewise.
7053 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
7054 * fold-const.c (fold_convert): Use "&&" for truth values.
7055 (fold): Add default case.
7056 * sdbout.c (sdbout_field_types): Fix typo in declaration.
7057 (sdbout_one_type): Add default case.
7058 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
7059 (some_operand): Add default case.
7060 (input_operand): Likewise.
7061 (signed_comparison_operator): Likewise.
7062 (divmod_operator): Likewise.
7063 (alpha_set_memflags_1): Likewise.
7064 * reload1.c (reload_cse_simplify_operands): Ensure function
7065 always returns a value.
7066 * scan-decls.c (scan_decls): Likewise.
7067 * c-lex.c (skip_white_space): Fix typo in declaraion.
7068 * c-typeck.c (comp_target_types): Add parentheses around assignment
7069 used as truth value.
7070 (print_spelling): Likewise.
7071 (constructor_implicit, constructor_result): Remove unused variables.
7072 * collect2.c (scan_library): Protect prototype with
7073 #ifdef SCAN_LIBRARIES.
7074 * emit-rtl.c (find_line_note): Fix typo in declaration.
7075 * final.c (asm_insn_count): Protect prototype with
7076 #ifdef HAVE_ATTR_length.
7077 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
7078 (try_pre_increment_1, try_pre_increment): Likewise.
7079 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
7080 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
7081 * gcov-io.h (__store_long, __write_long, __read_long): Fix
7082 unsigned/signed comparisons.
7083 * gcov.c (read_files): Remove unused "first_type" variable.
7084 (scan _for_source_files): Initialize s_ptr.
7085 (function_summary): Eliminate "%lf" formatting, use %ld for
7087 (output_data): Initialize branch_probs and last_line_num.
7088 Eliminate "%lf" formatting, use "%ld" for longs.
7090 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
7092 * mips16.S: New file.
7094 * libgcc2.c (varargs): Handle mips16.
7096 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
7098 * stmt.c (expand_end_case): Likewise.
7099 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
7100 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
7101 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
7103 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7105 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
7106 the build directory.
7107 (libobjc.a): Update dependency list.
7108 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
7110 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
7111 (objc.mostlyclean): Remove runtime-info.h.
7113 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
7115 * tree.c (build_range_type): Allow creation of ranges with no maximum.
7116 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
7117 * dwarf2out.c (add_subscript_info): Likewise.
7118 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
7119 * sdbout.c (plain_type_1): Likewise.
7120 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
7122 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
7125 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7127 * mips.c (fatal): Remove declaration.
7129 1997-12-18 Mark Mitchell <mmitchell@usa.net>
7131 * integrate.c (get_label_from_map): New function.
7132 (expand_inline_function): Use it. Initialize the label_map to
7133 NULL_RTX instead of gen_label_rtx.
7134 (copy_rtx_and_substitute): Use get_label_from_map.
7135 * integrate.h (get_label_from_map): New function.
7136 (set_label_from_map): New macro.
7137 * unroll.c (unroll_loop): Use them.
7138 (copy_loop_body): Ditto.
7140 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
7142 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
7143 (INIT_TARGET_OPTABS): Define.
7144 * mips/ecoff.h: Include gofast.h before mips.h.
7145 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
7146 * mips/elf64.h: Likewise.
7147 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
7149 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
7151 * except.c: Remove register_exception_table{,_p}.
7153 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
7155 * unroll.c (calculate_giv_inc): Handle constant increment found in
7156 a MEM with an appropriate REG_EQUAL note.
7158 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
7160 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
7161 frame pointer in the prologue.
7163 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
7165 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
7166 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
7168 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
7170 * config/m68k/m68k.c (output_function_prologue): Typecast
7171 dwarf2out_cfi_label to (char *).
7172 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
7174 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
7176 * sparc.md (jump): Don't use the annul bit around an empty loop.
7177 Patch from Kevin.Kelly@East.Sun.COM.
7179 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
7181 * jump.c: (jump_optimize): Don't use the return register as a
7182 source1 of a conditional move.
7184 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
7186 * sparc.c (DF_MODES): Or the mask not the bit number.
7187 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
7189 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7191 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
7193 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
7195 * fixincludes (size_t): Add support for Motorola's stdlib.h
7196 which fails to provide a definition for size_t.
7197 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
7198 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
7199 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
7201 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
7202 prevent unresolved externals in libio.
7203 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
7205 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
7207 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
7208 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
7209 (LIB_SPEC): Updated for glibc 2.
7211 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
7213 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
7214 * ginclude/varargs.h: Likewise.
7216 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
7218 * version.c: Bump for snapshot.
7220 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
7222 * frame.h (__register_frame, __register_frame_table,
7223 __deregister_frame): New.
7224 * frame.c (__register_frame, __register_frame_table,
7225 __deregister_frame): New.
7226 * frame.c (__deregister_frame_info): Return void *.
7227 * frame.h (__deregister_frame_info): Ditto.
7228 * collect2.c (__deregister_frame_info): Ditto.
7230 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
7232 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
7234 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
7236 * alpha.c (alpha_cpu_name): New variable.
7237 (alpha_mlat_string): Likewise.
7238 (alpha_memory_latency): Likewise.
7239 (override_options): Handle -mmemory-latency.
7240 (alpha_adjust_cost): Adjust load cost for latency.
7241 * alpha.h (TARGET_OPTIONS): Add meory-latency.
7242 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
7243 TARGET_CIX into account.
7244 (MEMORY_MOVE_COST): Define in terms of memory_latency.
7245 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
7247 * alpha.h (ASM_COMMENT_START): New macro.
7249 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
7251 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
7252 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
7254 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
7255 SUBREG_REG if the word count is unchanged.
7256 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
7257 subregs of identical word size for push_reload.
7259 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
7261 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
7262 if all we're doing is dealing with -Wreturn-type.
7264 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
7266 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
7267 Use and 255 instead of zapnot 1, since it schedules better.
7269 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
7271 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
7274 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
7276 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
7277 dependency we delete. Properly update prev for multiple consecutive
7279 (priority): Skip deleted dependence.
7281 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
7283 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
7285 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7287 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
7288 determining when a new basic block starts.
7290 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
7292 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
7293 * pa.md (iorsi3): Add missing args to *_operand calls.
7295 * except.c (call_get_eh_context): Don't mess with sequences.
7296 (emit_eh_context): Include the call in the sequence here.
7298 1997-12-11 Paul Eggert <eggert@twinsun.com>
7300 * collect2.c (write_c_file_glob): Allocate initial frame object
7301 in static storage and pass its address.
7303 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7305 * except.c (call_get_eh_context): Don't take a parm.
7306 Put the call at the top of the function.
7307 (emit_eh_context): Adjust.
7308 (get_eh_context): Replace with former use_eh_context.
7309 (get_eh_context_once, get_saved_pc_ref): Remove.
7310 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
7312 * integrate.c (expand_inline_function): Adjust.
7313 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
7315 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
7317 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
7318 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
7320 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
7322 * fixincludes (strlen,strspn,strcspn return value): Handle different
7324 (hypot): Provide a fake for hypot which is broken on
7325 m88k-motorola-sysv3.
7327 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
7329 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
7330 tree_code_name from pointers to arrays.
7331 * tree.c: Remove standard_tree_code_* variables, no longer used.
7332 * print-tree.c: Remove declaration of tree_code_name.
7334 * cp/lex.c (init_lex): Update for tree_code_* changes.
7335 * objc/objc-act.c (init_objc): Likewise.
7337 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
7340 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
7342 * config.sub: Add support for BeOS target.
7343 * configure.in: Likewise.
7344 * ginclude/stdarg.h: Likewise.
7345 * ginclude/stddef.h: Likewise.
7346 * ginclude/varargs.h: Likewise.
7347 * rs6000/beos.h: New file for BeOS.
7348 * rs6000/t-beos: Likewise.
7349 * rs6000/x-beos: Likewise.
7350 * rs6000/xm-beos.h: Likewise.
7351 * toplev.c (get_run_time): Just return 0 on BeOS.
7353 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
7354 Toon Moene (toon@moene.indiv.nluug.nl)
7356 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
7357 old and broken Sun3 assemblers. Newer versions handle large
7358 offsets correctly as does the GNU assembler.
7360 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7362 * objc/objc-act.c (lang_report_error_function): Disable.
7363 * objc/objc-parse.y: Include "output.h".
7364 (yyerror): Remove redundant decl.
7365 (yyprint): Fix prototype.
7366 (apply_args_register_offset): Remove redundant decl.
7367 (get_file_function_name): Likewise.
7369 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
7371 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
7373 (find_basic_blocks_1): Likewise.
7375 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7377 * except.c (use_eh_context): Don't copy_rtx a REG.
7378 (emit_throw): Lose old unwinder support.
7379 (expand_internal_throw): Likewise.
7380 * libgcc2.c (struct eh_context): Likewise.
7381 (new_eh_context): Likewise.
7382 (__get_eh_info): Lose redundant cast.
7383 (__get_dynamic_handler_chain): Likewise.
7384 (__get_saved_pc): Lose.
7385 Lose all old unwinder support code.
7387 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
7389 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
7391 * integrate.c (expand_inline_function): If the inline fn uses eh
7392 context, make sure that the current fn has one.
7393 * toplev.c (rest_of_compilation): Call emit_eh_context.
7394 * except.c (use_eh_context): New fn.
7395 (get_eh_context_once): New fn.
7396 (call_get_eh_context): New fn.
7397 (emit_eh_context): New fn.
7398 (get_eh_context): Call either get_eh_context_once or
7399 call_get_eh_context, depending on what we have.
7400 (get_dynamic_handler_chain): Call get_eh_context_once.
7401 * except.h: Prototypes for fns above.
7402 * optabs.c (get_eh_context_libfunc): Removed.
7403 (init_optabs): Don't initialize it.
7404 * expr.h (get_eh_context_libfunc): Removed.
7405 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
7406 * config/pa/pa.h (CPP_SPEC): Support for -threads.
7407 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
7408 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
7409 New multilib for -threads.
7410 * config/sparc/t-sol2: Added multilibs for -threads and
7411 made -pthreads alias to it.
7412 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
7413 Added -threads and -pthreads options.
7414 * libgcc-thr.h: New file.
7415 * libgcc2.c: (__get_cpp_eh_context): Removed.
7416 (struct cpp_eh_context): Removed.
7417 (struct eh_context): Replaced cpp_eh_context with generic language
7419 (__get_eh_info): New function.
7420 (__throw): Check eh_context::info.
7422 * libgcc2.c: Include libgcc-thr.h.
7423 (new_eh_context, __get_eh_context,
7424 eh_pthread_initialize, eh_context_initialize, eh_context_static,
7425 eh_context_specific, eh_context_free): New functions.
7426 (get_eh_context, eh_context_key): New variables.
7427 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
7428 get_eh_context to get the context.
7429 (longjmp): Move the declaration inside
7430 #ifdef DONT_USE_BUILTIN_SETJMP.
7431 * frame.c: Include libgcc-thr.h.
7432 (object_mutex): Mutex to protect the object list.
7433 (find_fde, __register_frame, __register_frame_table,
7434 __deregister_frame): Hold the lock while accessing objects.
7435 * except.h (get_eh_context): Declare.
7436 * except.c (current_function_ehc): Define.
7437 (current_function_dhc, current_function_dcc): Removed.
7438 (get_eh_context): New function.
7439 (get_dynamic_handler_chain): Use get_eh_context.
7440 (get_saved_pc_ref): Ditto.
7441 (get_dynamic_cleanup_chain): Removed references to
7442 current_function_dcc.
7443 (save_eh_status, restore_eh_status): Save and restore
7444 current_function_ehc instead.
7445 * optabs.c (get_eh_context_libfunc): New variable.
7446 (init_optabs): Initialize it.
7447 * expr.h: Declare get_eh_context_libfunc.
7448 * function.h (struct function): Replaced dhc and dcc with ehc.
7449 * except.c (get_saved_pc_ref): New functions.
7450 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
7451 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
7453 (end_eh_unwinder): Likewise.
7454 (init_eh): Remove initialization of eh_saved_pc.
7455 * optabs.c (get_saved_pc_libfunc): New variable.
7456 (init_optabs): Initialize it.
7457 * expr.h: Declare get_saved_pc_libfunc.
7458 * except.h (eh_saved_pc_rtx): Deleted.
7459 (get_saved_pc_ref): Declared.
7461 From Scott Snyder <snyder@d0sgif.fnal.gov>:
7462 * libgcc2.c (__get_saved_pc): New.
7463 (__eh_type, __eh_pc): Deleted.
7464 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
7465 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
7468 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
7470 * sparc/sol2.h: Use 64 bit multiply and divide functions in
7471 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
7474 * rtl.h (global_rtl): New variable, replacing separate variables for
7476 (const_int_rtx): Now array of rtx_def, not rtx.
7477 * emit-rtl.c: Update for new rtl data structures.
7478 * genattrtab.c: Define global_rtl.
7480 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
7482 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
7485 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
7487 * crtstuff.c (__do_global_ctors): Fix typo.
7489 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
7491 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7492 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7494 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
7496 * rs6000.h (FUNCTION_ARG_PADDING): Define.
7497 * rs6000.c (function_arg_padding): New function.
7499 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
7501 * m68k.c: Include tree.h only once.
7503 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7505 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
7507 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
7509 * Partially cleaned up prototyping code from HJ.
7510 * tree.h: Add many prototypes.
7511 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
7512 All references changed.
7513 * rtl.h: Protect from multiple inclusions. Add many prototypes.
7515 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
7517 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
7518 string functions like strlen.
7520 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
7522 * configure.in: Check for functions getrlimit and setrlimit.
7523 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7524 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7526 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
7528 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
7530 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
7532 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
7535 * alpha.c (override_options): Don't know about scheduling for EV6.
7536 * alpha.md (ev5 function units): Don't overload as ev6.
7538 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
7539 * alpha.md (define_attr type): Add mvi.
7540 (ev5_e0): Define sceduling parameters for it.
7541 (TARGET_MAX insns): Type is mvi not shift.
7543 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
7545 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
7547 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7549 * cstamp-h, auto-config.h: Delete.
7551 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
7553 * version.c: Bump for snapshot.
7555 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
7557 * cccp.c: Fix typo brought over in merge.
7559 * Merge in changes from gcc-2.8.
7561 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
7563 * m68k.c: Include tree.h for dwarf2out_cfi_label.
7565 * gcc.c (process_command): Do not take address of function fatal when
7566 calling lang_specific_driver.
7568 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
7570 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
7571 doesn't work with it yet, so set it to 0.
7572 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
7574 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7576 * cse.c (cse_insn): Check for invalid entries when taking references.
7578 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7580 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
7581 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
7582 * toplev.c (rest_of_compilation): Pass it. Remove code to
7583 save / clear / restore flag_unroll_{,all_}loops.
7585 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
7587 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
7589 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
7591 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
7593 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
7595 * except.c (get_dynamic_handler_chain): Only make the call once per
7598 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
7600 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7602 * sh.c (final_prescan_insn): Use local label prefix
7603 when emitting .uses pseudo-ops.
7605 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7607 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
7608 * except.c: Lose outer_context_label_stack.
7609 (expand_eh_region_end): Rethrow from outer_context here.
7610 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
7611 (expand_internal_throw): Take no args.
7612 (expand_internal_throw_indirect): Lose.
7613 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
7614 (expand_start_all_catch): Start a rethrow region.
7615 (expand_end_all_catch): End it.
7616 (expand_rethrow): New fn.
7617 * except.h: Reflect above changes.
7618 * flow.c: Revert change of Nov 27.
7620 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
7622 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
7624 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7626 * except.c (expand_fixup_region_end): New fn.
7627 (expand_fixup_region_start): Likewise.
7628 (expand_eh_region_start_tree): Store cleanup into finalization here.
7629 * stmt.c (expand_cleanups): Use them to protect fixups.
7631 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
7633 * mips/mips.md (muldi3_r4000): Broaden the output template
7634 and attribute assignments to handle three operand dmult;
7635 rename to muldi3_internal2.
7636 (muldi3): Call the new muldi3_internal2 for R4000, and
7637 any GENERATE_MULT3 chip.
7639 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7641 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
7643 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
7645 * unroll.c (find_splittable_givs): Remove last change. Handle givs
7646 with a dest_reg that was created by loop.
7648 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
7650 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
7652 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
7654 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
7656 * configure.in: Fix NCR entries.
7658 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
7660 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
7661 nested exceptions correctly.
7663 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
7664 that was created by loop.
7666 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7668 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
7670 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
7672 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
7674 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
7675 (print_operand): Use SMALL_DATA_REG for the register involved in
7676 small data relocations.
7677 (print_operand_address): Ditto.
7679 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
7680 -dynamic linker is not used.
7682 * rs6000.md (call insns): For local calls, use @local suffix under
7683 System V. Don't use @plt under Solaris.
7685 * rs6000.c (output_function_profiler): Put label address in r0, and
7686 store LR in 4(sp) for System V/eabi.
7688 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
7689 byte boundary, and maintain stack backchain.
7691 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7693 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7694 fix_truncsfdi2): Change *.
7696 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
7698 * toplev.c (main): Complain about -gdwarfn.
7700 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
7702 * dwarfout.c (output_type): If finalizing, write out nested types
7703 of types we've already written.
7705 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
7707 (patches originally from Geoffrey Keating)
7708 * rs6000.c (function_arg): Excess floating point arguments don't
7709 go into GPR registers after exhausting FP registers under the
7711 (function_arg_partial_nregs): Ditto.
7713 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
7716 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
7718 * integrate.c (output_inline_function): Just unset DECL_INLINE.
7720 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
7722 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
7725 * libgcc2.c (__throw): Initialize HANDLER.
7727 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7729 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7730 fix_truncsfdi2): Change *X to ?*X.
7732 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
7734 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
7736 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
7738 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
7740 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
7742 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
7744 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
7746 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
7747 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
7750 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
7752 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
7753 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
7754 gas and not using the new HP assembler.
7756 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
7758 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
7759 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
7761 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
7763 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
7764 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
7767 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7769 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
7771 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
7773 * except.h: Add outer_context_label_stack.
7774 * except.c: Likewise.
7775 (expand_start_all_catch): Push the outer_context for the try block
7776 onto outer_context_label_stack.
7777 (expand_end_all_catch): Use it and pop it.
7779 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
7781 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
7783 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
7785 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
7787 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
7789 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
7790 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
7792 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
7794 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
7795 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
7796 __builtin_delete, and __builtin_vec_delete.
7798 * except.c (output_exception_table): Don't bother with
7801 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
7803 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
7804 is an in/out operand.
7805 (zero extended variants of stwm/stwm patterns): Similarly.
7807 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
7809 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
7811 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
7813 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
7814 (output_call_frame_info): Emit a \n after using it.
7816 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
7818 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
7820 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
7822 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
7823 (ASM_OUTPUT_DWARF_VALUE4): New macro.
7824 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
7826 (output_call_frame_info): Do not output forward label differences
7827 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
7828 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
7830 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7832 * sh.md (attribute "type"): Add nil.
7833 (movsi_ie): y/y alternative is type nil.
7834 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
7836 (movsf_ie+1): Delete.
7838 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
7840 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
7841 large_int, emit two insns instead of one splitable insn.
7842 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
7843 from cfa_temp_value, use cfa_offset. Add assert checking that
7846 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
7848 * cccp.c (deps_output): Properly quote file names for make.
7850 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
7852 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
7854 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
7856 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
7858 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
7860 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
7862 (cse_end_of_basic_block): Similarly.
7864 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
7866 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
7867 (SELECT_RTX_SECTION): Define.
7868 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
7870 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
7872 * Makefile.in (compare, compare-lean): Define $stage for each
7874 (gnucompare, gnucompare-lean): Likewise.
7876 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
7878 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
7880 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
7881 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
7883 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
7885 * dwarfout.c (byte_size_attribute): Add local var upper_bound
7886 and add case to handle STRING_TYPE.
7887 * dwarfout.c (output_string_type_die): Fix code to generate
7888 correct string length attribute for fixed length strings.
7889 Still needs support for varying length strings.
7891 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
7893 * toplev.c (get_run_time): Do something sensible for cygwin32.
7895 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
7897 * expr.c (expand_builtin_setjmp): Set
7898 current_function_has_nonlocal_label.
7899 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
7900 call-saved registers across calls.
7902 * alpha.md (exception_receiver): Remove.
7903 (nonlocal_goto_receiver_osf): New
7904 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
7905 (nonlocal_goto_receiver): New, select _osf or _vms.
7907 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
7908 keep them from being propogated to the object file.
7909 (alpha_write_linkage): Likewise.
7910 * alpha.md (call_vms): Likewise.
7911 (call_value_vms): Likewise.
7912 (unnamed osf call insns): Likewise.
7914 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
7915 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7917 * alpha.c (call_operand): Any reg is valid for WinNT.
7918 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
7919 (anon nt calls): Add 'R' alternative.
7920 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
7921 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
7923 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
7925 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
7927 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
7928 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
7929 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
7931 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
7933 * reload1.c (new_spill_reg): Improve fixed or forbidden register
7934 spill error message.
7936 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7938 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
7939 use varargs.h. Wrap header with <>, not "".
7941 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
7943 * integrate.c (save_for_inline_copying): Add return value from
7946 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
7948 * fixincludes: Be a little more restrictive on what we will
7949 substitute to replace definitions of MAXINT for HPUX.
7951 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
7953 * dbxout.c (dbxout_symbol_location): Don't assume that variables
7954 whose address is the stack or argument pointers are indirect
7957 1997-11-13 Paul Eggert <eggert@twinsun.com>
7959 * cccp.c, cpplib.c (compare_defs):
7960 Don't complain about arg name respellings unless pedantic.
7961 * cpplib.c (compare_defs): Accept pfile as new arg.
7962 All callers changed.
7964 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7966 * fold-const.c (fold_truthop): Fix bug in last change.
7968 1997-11-13 Paul Eggert <eggert@twinsun.com>
7970 Fix some confusion with IEEE minus zero.
7972 * real.h (REAL_VALUES_IDENTICAL): New macro.
7974 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
7975 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
7977 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
7978 same tree structure as 0.0.
7980 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
7981 macro instead of doing it by hand.
7983 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
7985 * v850/lib1funcs.asm: Minor whitespace changes.
7986 * v850.c: Fix minor formatting problems in many places.
7987 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
7989 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
7991 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
7992 xplus1 when xplus0 is not a register.
7994 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
7996 * flow.c (find_basic_blocks): During marking phase, if we encounter
7997 an insn with a REG_LABEL note, make the target block live and
7998 create an edge from the insn to the target block. Do not make
7999 edges from all blocks to the target block.
8001 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8003 * confiugre.in: Tweak NCR entries.
8004 * configure: Rebuilt.
8006 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8008 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8009 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8010 and CONST_DOUBLE_HIGH.
8012 * rs6000.md (define_splits for DF constants): Use the appropriate
8013 REAL_VALUE_* interface to pick apart DF floating point constants in
8014 a machine independent fashion.
8016 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8018 * fold-const.c (fold_truthop): When changing a one-bit comparison
8019 against zero into a comparison against mask, do a proper sign
8022 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8024 * except.c: Do not include "assert.h".
8025 (save_eh_status): Turn asserts into conditional aborts.
8026 (restore_eh_status, scan_region): Likewise.
8027 * dwarfout.c: Do not include "assert.h".
8028 (bit_offset_attribute): Turn asserts into conditional aborts.
8029 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8030 (output_inlined_structure_type_die): Likewise.
8031 (output_inlined_union_type_die): Likewise
8032 (output_tagged_type_instantiation): Likewise.
8033 (dwarfout_file_scope_decl): Likewise.
8034 * dwarf2out.c: Do not include "assert.h"
8035 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
8036 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
8037 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
8038 (add_bit_size_attribute, scope_die_for): Likewise.
8039 (output_pending_types_for_scope): Likewise.
8040 (get_inlined_enumeration_type_die): Likewise.
8041 (get_inlined_structure_type_die): Likewise.
8042 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
8043 (gen_tagged_type_instantiation_die): Likewise.
8045 * flow.c (find_basic_blocks): Refine further to get a more correct
8046 cfg, especially in the presense of exception handling, computed
8047 gotos, and other non-trivial cases. Call abort if an inaccuracy
8048 is detected in the cfg.
8050 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8052 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
8054 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
8055 (skip_white_space): Use whitespace_cr.
8056 (check_newline): Handle whitespace more consistently.
8058 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
8060 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
8061 * i386/xm-cygwin32.h (POSIX): Define.
8063 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
8065 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
8066 is available elsewhere.
8068 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
8070 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
8071 what the instruction can handle.
8073 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
8075 * stmt.c (expand_decl_cleanup_no_eh): New fn.
8077 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
8079 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
8081 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
8082 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
8084 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
8086 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
8087 swap instruction order.
8089 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
8091 * fixinc.svr4 (__STDC__): Add another case.
8093 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8095 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
8096 addresses in the epilogue delay slot.
8098 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
8100 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
8101 in generated `specs' file.
8103 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
8105 * flags.h (flag_rerun_loop_opt): Declare.
8106 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
8107 * toplev.c (flag_rerum_loop_opt): Delete static.
8109 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8111 Bring over from FSF:
8113 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8115 * va-sh.h (__va_arg_sh1): Define.
8117 SH3E doesn't use any integer registers for subsequent arguments
8118 once a non-float value was passed in the stack.
8119 * sh.c (machine_dependent_reorg): If optimizing, put explicit
8120 alignment in front label for ADDR_DIFF_VEC.
8121 * sh.h (PASS_IN_REG_P): Fix SH3E case.
8122 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
8124 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8126 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
8129 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8131 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
8132 put an use_sfunc_addr before each sfunc.
8133 * sh.md (use_sfunc_addr, dummy_jump): New insns.
8134 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
8136 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8138 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
8140 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
8142 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
8145 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
8147 * alias.c (find_base_value): Only return the known base value for
8150 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
8152 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
8153 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
8155 (prologue_get_pc_and_set_got): New pattern.
8157 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
8159 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
8160 for SUBREG, just fall through.
8162 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
8164 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
8166 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
8168 * fixincludes: Fix "hypot" prototype in NeXT math.h.
8170 * Makefile.in (USE_ALLOCA): Always include alloca.o.
8171 (USE_HOST_ALLOCA): Likewise.
8173 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
8174 and LABEL_REFS fields.
8175 * rtl.h (LABEL_REFS): Update.
8177 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
8179 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
8180 sets i2dest. When calling distribute_notes for i3dest_killed, pass
8181 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
8184 * mips.md (insv, extzv, extv): Add change_address call.
8185 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
8187 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
8189 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
8191 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
8192 save_restore_insns if no FP and GP will be restored.
8194 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
8195 Convert CCmode to word_mode before calling GET_MODE_SIZE.
8197 * acconfig.h (HAVE_INTTYPES_H): Undef.
8198 * configure.in (inttypes.h): Check for conflicts between sys/types.h
8199 and inttypes.h, and verify that intmax_t is defined.
8200 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
8201 * config/mips/x-iris3: Likewise.
8203 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
8205 * alias.c (find_base_value): When copying arguments, return the
8206 tenative value for a hard register.
8208 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
8210 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
8211 (yylex): Record wide strings using target endianness, not host.
8213 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
8215 * mn10200.h (ASM_OUTPUT_BSS): Delete.
8216 (ASM_OUTPUT_ALIGNED_BSS): New macro
8217 * mn10300.h (ASM_OUTPUT_BSS): Delete.
8218 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8219 * v850.h (ASM_OUTPUT_BSS): Delete.
8220 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8222 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8224 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
8226 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
8228 * configure.in (sco5): Use cpio to install header files.
8230 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
8232 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
8234 * configure: Rebuild.
8236 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
8238 * i386/sco5.h: enable -gstabs once again.
8240 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
8242 * arm.c (output_move_double): Allocate 3 entries in otherops array.
8244 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
8246 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
8247 notes for sjlj exceptions too.
8248 (expand_eh_region_end): Similarly for EH_REGION_END notes.
8249 (exception_optimize): Optimize EH regions for sjlj exceptions too.
8250 * final.c (final_scan_insn): Don't output labels for EH REGION
8251 notes if doing sjlj exceptions.
8253 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
8255 * alias.c (init_alias_analysis): Handle -fno-alias-check when
8256 optimizing correctly.
8258 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
8259 or set current_function_calls_setjmp anymore.
8261 * flow.c (find_basic_blocks): If we delete the label for an
8262 exception handler, remove it from the EH label list and remove
8263 the EH_BEGIN/EH_END notes for that EH region.
8265 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
8267 * flow.c (find_basic_blocks): Generate correct flow control
8268 information when exception handling notes are present.
8270 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
8272 * dwarf2out.c (output_call_frame_info): Fix length argument
8273 to ASM_OUTPUT_ASCII.
8274 (output_die, output_pubnames, output_line_info): Likewise.
8276 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
8278 * version.c: Bump for snapshot.
8280 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
8281 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
8282 flag_debug_asm is on.
8283 (output_die, output_pubnames, output_line_info): Likewise.
8285 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
8286 and static_chain_rtx into the potential base values array if
8289 * alias.c (new_reg_base_value): New array of potential base values.
8290 (unique_id): Now file scoped static.
8291 (find_base_value, case REG): Return the value in reg_base_value
8292 array for the REG if it exists. Else, return the value from
8293 new_reg_base_value if copying args and REG is a hard register.
8294 (find_base_value, case PLUS): If either operand of the PLUS is
8295 a REG, try to get its base value. Handle base + index and
8297 (record_set): Use new_reg_base_value instead of reg_base_value.
8298 (init_alias_analysis): Allocate space for new_reg_base_value too.
8299 Rework code to iterate over the insns propagating base value
8300 information until nothing changes.
8302 * global.c (global_alloc): Free the conflict matrix after
8303 reload has finished.
8305 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
8307 * libgcc2.c (L_eh): Define __eh_pc.
8308 Replace __eh_type with generic pointer __eh_info.
8310 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8312 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
8313 use copy_to_reg if address is not a general_operand.
8315 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8317 * profile.c (output_func_start_profiler): Clear flag_inline_functions
8318 for the duration of the call to rest_of_compilation.
8320 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
8322 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
8324 (sparc*-*-*): Recognize --with-cpu=v9.
8325 * sparc/elf.h: New file.
8326 * sparc/t-elf: New file.
8328 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
8330 * mn10300.c (const_8bit_operand): New function.
8331 (mask_ok_for_mem_btst): New funtion.
8332 * mn10300.md (btst patterns with mem operands): Use new functions
8333 to avoid creating btst instructions with invalid operands.
8335 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
8337 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
8338 are running on PowerPC Linux.
8340 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
8342 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
8343 if not previously defined.
8345 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
8347 * function.c (assign_parms): Correct mode of stack_parm if
8348 entry_parm underwent a mode conversion.
8350 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
8352 * global.c (global_alloc): Use xmalloc instead of alloca for
8353 CONFLICTS, since max_allocno * allocno_row_words alone can be more
8354 than 2.5Mb sometimes.
8356 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
8358 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
8359 DEST for the spill, adjust mode of SRC to compensate.
8361 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
8363 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
8364 since any_memory_operand() allows pseudos during reload.
8365 (reload_inhi, reload_outqi, reload_outhi): Likewise.
8367 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
8369 * m68k.md (btst patterns): Add 5200 support.
8371 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8373 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
8374 optimizations, look inside dividend to determine if the expression
8375 can be simplified by using EXACT_DIV_EXPR.
8377 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
8380 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
8382 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
8384 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
8386 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
8388 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
8391 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
8393 * alpha.md (movqi, movhi): Make sure new insns created during reload
8394 won't need reloading themselves.
8395 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
8397 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
8399 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
8401 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
8403 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
8404 Patch from Klaus Kaempf <kkaempf@progis.de>.
8406 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
8408 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
8409 to an element in a constant string.
8411 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
8413 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
8414 bit PC-relative offset. The exception range table pointer is now in
8416 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
8417 (count_fdes, add_fdes, get_cie): Adjust.
8418 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
8421 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
8423 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
8425 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
8426 like stack_pointer_rtx.
8428 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
8430 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
8431 targets using "$@" to provide support for similar but not identical
8432 targets without having to duplicate code.
8433 (bootstrap4): New goal.
8435 * Makefile.in (compare, compare-lean, compare3): Combined to one
8436 ruleset determining actions to be performed via $@.
8437 (compare4, compare4-lean): New targets.
8438 (gnucompare, gnucompare3): Combined to one ruleset determining
8439 actions to be performed via $@. Also, note which files failed
8440 the comparison test in .bad_compare.
8441 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
8443 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8445 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
8446 if the dividend is a multiple of the divisor.
8448 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
8450 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
8452 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
8455 * alias.c (true_dependence): Fix typo.
8457 * toplev.c (flag_rerun_loop_opt): New variable.
8458 (f_options): Handle -frerun-loop-opt.
8459 (rest_of_compilation): If -frerun-loop-opt, then run the loop
8461 (main): Enable -frerun-loop-opt by default for -O2 or greater.
8463 * loop.c (simplify_giv_expr): Adding two invariants results
8466 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
8468 * expr.c (get_inner_reference): Remove the array bias after
8469 converting the index to Pmode.
8471 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
8473 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
8474 (TARGET_MULT_BUG): Define.
8475 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
8476 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
8478 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
8480 * mn10200.c (indirect_memory_operand): Delete unused function.
8481 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
8482 * mn10200.md (bset, bclr insns): Handle output in a reg too.
8484 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
8486 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
8487 the callee's ldgp, we must do it ourselves, and we use the jsr tag
8488 for more than scheduling.
8490 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
8492 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
8494 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
8496 * mn10300.c (symbolic_operand, legitimize_address): New functions.
8497 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
8498 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
8500 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
8502 * version.c: Bump for snapshot.
8504 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8506 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
8509 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
8511 * toplev.c (flag_exceptions): Default value is 2.
8512 (compile_file): If flag_exceptions still has the value 2, then
8515 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
8516 (rs6000_save_machine_status): Save pic_offset_table_rtx.
8517 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
8519 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
8522 * rs6000.md (*movsi_got_internal_mem): New pattern.
8523 (*movsi_got_internal_mem splitter): New define_split.
8525 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
8527 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
8529 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8531 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
8532 only need to save LR.
8534 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
8536 * mn10300.md (movqi, movhi): Avoid using address registers as
8537 destinations unless absolutely necessary.
8539 * mn10200.c (expand_prologue): Fix typo.
8541 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
8543 * mn10200.md (neghi2): Provide an alternative which works if
8544 the input and output register are the same.
8546 * mn10300.c (print_operand): Handle 'S'.
8547 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
8548 shift amount in last alternative
8550 * mn10300.c (expand_epilogue): Rework to handle register restores
8551 in "ret" and "retf" instructions correctly.
8553 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
8555 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
8556 extzv for memory operands.
8558 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
8559 redundant conditional moves to single operand.
8561 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
8563 * v850.h: Move define of __v850__ from CPP_PREDEFINES
8566 * xm-v850.h: Use __v850 rather than __v850__ to
8569 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
8571 * mips/mips.c (compute_frame_size): Not a leaf function if
8574 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8576 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
8578 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
8580 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
8581 (DEFAULT_ARCH32_P): New macro.
8582 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
8583 (enum cmodel): Declare.
8584 (sparc_cmodel_string,sparc_cmodel): Declare.
8585 (SPARC_DEFAULT_CMODEL): Provide default.
8586 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
8587 (TARGET_FULLANY): Deleted.
8588 (TARGET_CM_MEDMID): New macro.
8589 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
8590 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8591 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
8592 (CPP_SPEC): Rewrite.
8593 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8594 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
8595 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8596 (ASM_SPEC): Add %(asm_arch).
8597 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
8598 Rename asm_default to asm_cpu_default.
8599 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
8600 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
8601 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
8602 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
8603 (MASK_INT64,MASK_LONG64): Delete.
8604 (MASK_ARCH64): Renamed to MASK_64BIT.
8605 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
8606 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
8607 (TARGET_SWITCHES): Always provide 64 bit options.
8608 (ARCH64_SWITCHES): Delete.
8609 (TARGET_OPTIONS): New option -mcmodel=.
8610 (INT_TYPE_SIZE): Always 32.
8611 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
8612 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
8613 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
8614 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
8615 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
8617 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8618 * sparc/linux.h: Likewise.
8619 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
8620 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8621 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
8622 (SPARC_DEFAULT_CMODEL): Define.
8623 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8624 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8625 (LONG_DOUBLE_TYPE_SIZE): Define.
8626 (ASM_SPEC): Add %(asm_arch).
8627 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8628 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8629 (TARGET_CPU_DEFAULT): Add ultrasparc case.
8630 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
8631 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
8632 (SPARC_DEFAULT_CMODEL): Define.
8633 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
8634 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
8635 MASK_LONG64, MASK_MEDANY.
8636 (SPARC_DEFAULT_CMODEL): Define.
8637 (CPP_PREDEFINES): Delete.
8638 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8639 (ASM_SPEC): Add %(asm_arch).
8640 (LONG_DOUBLE_TYPE_SIZE): Define.
8641 (DWARF2_DEBUGGING_INFO): Define.
8642 * sparc/splet.h (CPP_SPEC): Delete.
8643 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8644 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
8645 (BLOCK_PROFILER): Likewise.
8646 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
8647 (sparc_override_options): Handle code model selection.
8648 (sparc_init_expanders): Renamed from sparc64_init_expanders.
8649 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
8650 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
8651 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
8652 (sethi_di_fullany): Delete.
8654 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
8655 Jeff Law <law@cygnus.com>
8656 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8658 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
8659 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
8660 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
8661 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
8662 * alpha/alpha.md (arg_home): Likewise.
8664 * alpha/alpha.c (vmskrunch): Delete
8665 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
8666 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
8667 truncate to 64 characters.
8669 * make-l2.com: Support openVMS/Alpha.
8671 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
8673 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8675 * longlong.h (count_leading_zeros): Add missing casts to USItype.
8677 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
8679 * i386/bsd386.h (ASM_COMMENT_START): Define.
8681 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8683 * tree.c (restore_tree_status): Also free up temporary storage
8684 when we finish a toplevel function.
8685 (dump_tree_statistics): Print stats for backend obstacks.
8687 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
8689 * expr.c (use_group_regs): Don't call use_reg for MEMs.
8691 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
8693 * libgcc2.c (__throw): Don't copy the return address.
8694 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
8696 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
8697 * toplev.c (main): Initialize exceptions_via_longjmp.
8699 * tree.c: Add extra_inline_obstacks.
8700 (save_tree_status): Use it.
8701 (restore_tree_status): If this is a toplevel inline obstack and we
8702 didn't want to save anything on it, recycle it.
8703 (print_inline_obstack_statistics): New fn.
8704 * function.c (pop_function_context_from): Pass context to
8705 restore_tree_status.
8706 * obstack.h (obstack_empty_p): New macro.
8708 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
8710 * i386/freebsd.h (ASM_COMMENT_START): Fix.
8712 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
8714 * v850.c (ep_memory_offset): New function.
8715 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
8717 * v850.h (CONST_OK_FOR_*): Add and correct comments.
8718 (CONSTANT_ADDRESS_P): Add comment.
8719 (EXTRA_CONSTRAINT): Define 'U'.
8720 * v850.md: Add comments on bit field instructions.
8721 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
8722 (lshrsi3): Use N not J constraint.
8724 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
8726 * v850.c (reg_or_0_operand): Call register_operand.
8727 (reg_or_int5_operand): Likewise.
8728 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
8729 (TARGET_SWITCHES): Add "big-switch".
8730 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
8731 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
8732 (CASE_DROPS_THROUGH): Comment out.
8733 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
8734 * v850.md (cmpsi): Delete compare mode.
8735 (casesi): New pattern.
8737 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
8738 * v850.md (ashlsi3): Use SImode not QImode for shift count.
8739 (lshrsi3): Likewise.
8741 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
8742 unreachable switch statement after 'b' support. Remove "b" from
8743 strings for 'b' support.
8744 * v850.md (branch_normal, branch_invert): Change %b to b%b.
8746 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
8748 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
8749 empty line if @inhibit_libc@ is empty.
8751 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
8753 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
8754 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
8755 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8756 (DWARF2_UNWIND_INFO): Let this track object file format.
8757 (EXTRA_SECTIONS): Add in_eh.
8758 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
8759 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8761 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
8763 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
8764 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
8766 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
8767 (output_double_int): Output DI mode values correctly when
8768 HOST_BITS_PER_WIDE_INT is 64.
8769 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
8770 fmovd so it works if a quad float ends up in one of the upper 32
8772 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
8773 necessary for PIC support on sparc64.
8775 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
8777 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
8778 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
8779 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
8780 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
8781 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
8782 (SPARC_FP_ARG_FIRST): New macro.
8783 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
8784 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
8785 (NPARM_REGS): There are 32 fp argument registers now.
8786 (FUNCTION_ARG_REGNO_P): Likewise.
8787 (FIRST_PARM_OFFSET): Update to new v9 abi.
8788 (REG_PARM_STACK_SPACE): Define for arch64.
8789 (enum sparc_arg_class): Delete.
8790 (sparc_arg_count,sparc_n_named_args): Delete.
8791 (struct sparc_args): Redefine and use for arch32 as well as arch64.
8792 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
8793 (FUNCTION_ARG_ADVANCE): Rewrite.
8794 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
8795 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
8796 (FUNCTION_ARG_CALLEE_COPIES): Delete.
8797 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
8798 (STRICT_ARGUMENT_NAMING): Define.
8799 (doublemove_string): Declare.
8800 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
8801 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
8802 (doublemove_string): New function.
8803 (output_move_quad): Clean up some of the arch64 support.
8804 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
8805 Don't add 8 bytes of reserved space if arch64.
8806 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
8807 (init_cumulative_args): New function.
8808 (function_arg_slotno): New static function.
8809 (function_arg,function_arg_partial_nregs): New functions.
8810 (function_arg_{pass_by_reference,advance}): New functions.
8811 (function_arg_padding): New function.
8812 * ginclude/va-sparc.h: Rewrite v9 support.
8814 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8816 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
8817 for hard regs to determine base and index registers.
8819 * reload.c (debug_reload_to_stream): New function. Specify stream
8820 into which to write debug info.
8821 (debug_reload): Modify to call debug_reload_to_stream with stderr.
8823 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
8825 * combine.c (can_combine_p): Don't combine with an asm whose
8826 output is a hard register.
8828 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
8830 * c-decl.c (start_struct): Ensure that structs with forward
8831 declarations are in fact packed when -fpack-struct is given.
8833 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
8834 we are packing a structure. This allows a structure with only
8835 bytes to be aligned on a byte boundary and have no padding on a
8838 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8840 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
8842 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
8844 * alpha.c (alpha_return_addr_rtx): New variable.
8845 (alpha_save_machine_status): New; save it.
8846 (alpha_restore_machine_status): New; restore it.
8847 (alpha_init_expanders): New; clear it.
8848 (alpha_return_addr): New; set it.
8849 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
8850 is overly conservative, so search the insns explicitly.
8851 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
8852 (alpha_sa_size [VMS && !VMS]): Likewise.
8853 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
8854 (INIT_EXPANDERS): New definition.
8856 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
8857 (output_prolog [!VMS]): Use them.
8859 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
8860 (alpha_does_function_need_gp): ... a new function. Refine the
8861 CALL_INSN test to just TYPE_JSR.
8862 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
8864 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
8866 * version.c: Bump for snapshot.
8868 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8870 * pa.c (move_operand): Respect -mdisable-indexing.
8871 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
8873 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
8875 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
8877 (umulsidi3,umulsi3_highpart): Ditto.
8878 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
8880 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
8882 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
8883 (alpha_handle_trap_shadows): ... a new function. Handle the entire
8884 function in one go. Emit RTL for trapb, instead of printf directly.
8885 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
8886 (trap_pending): Kill global variable.
8887 (output_epilog): Don't call final_prescan_insn.
8888 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
8889 * alpha.h (FINAL_PRESCAN_INSN): Remove.
8890 (MACHINE_DEPENENT_REORG): Define.
8891 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
8894 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
8896 Tune Haifa scheduler for Alpha:
8897 * alpha.h (ISSUE_RATE): Define.
8898 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
8899 EV4 adjustments to EV5.
8900 * alpha.md: Remove all scaling from function unit delays. Rework
8901 EV5 function units to match the CPU.
8902 (umuldi3_highpart): EV5 added the IMULH insn class.
8904 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
8906 * pa.c (following_call): Fail if the CALL_INSN is an indirect
8909 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
8911 * cplus-dem.c (demangle_signature): Don't look for return types on
8912 constructors. Handle member template constructors.
8914 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
8916 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
8917 * tree.h: Declare them.
8919 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
8921 * configure.in: Handle --with-newlib.
8922 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
8924 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
8926 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
8928 * config/ptx4.h: Fix typo.
8930 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
8932 * version.c: Bump for snapshot.
8934 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
8936 * aclocal.m4: Substitute INSTALL.
8937 * configure: Re-built.
8939 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
8941 * integrate.c (save_for_inline_copying): Avoid undefined pointer
8943 (expand_inline_function): Likewise.
8945 * dwarf2out.c (output_call_frame_info): Reinstate last change
8946 using flag_debug_asm check instead of flag_verbose_asm.
8948 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
8950 * dwarf2out.c (output_call_frame_info): Remove last change.
8952 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8954 * frame.c (__frame_state_for): Execute the FDE insns until the
8955 current pc value is strictly bigger than the target pc value.
8957 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
8959 * regclass.c (init_reg_modes): If we can't find a mode for the
8960 register, use the previous one.
8962 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
8964 * haifa-sched.c (print_block_visualization): Call fprintf directly,
8965 don't sprintf through an alloca'ed buffer.
8967 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
8969 * reload.c (decompose): Always initialize val.base.
8971 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
8973 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
8974 instead of aborting.
8975 * dwarf2out.c (output_call_frame_info): Call app_enable and
8976 app_disable to let GNU as accept the generated comments.
8978 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
8980 * tree.h (get_file_function_name): Add declaration.
8981 * dwarf2out.c (output_call_frame_info): No need to cast
8982 get_file_function_name call anymore.
8983 * profile.c (toplevel): Remove get_file_function_name
8985 * c-lang.c (finish_file): Ditto.
8987 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
8989 * Makefile.in (program_transform_name): Let autoconf substitute
8992 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
8994 * haifa-sched.c (schedule_block): If the first real insn in a
8995 block has any special notes attached to it, remove them.
8997 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
8999 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9001 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9003 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9005 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9007 * Makefile.in (check-g77): New test target.
9008 (CHECK-TARGETS): Add check-g77.
9010 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9012 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9014 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9016 * flow.c (print_rtl_with_bb): Cast alloca return value for
9019 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9021 * i386.h (RETURN_ADDR_RTX): New definition that works for
9022 __builtin_return_address(0) and -fomit-frame-pointer.
9024 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9026 Bring over from FSF.
9027 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9029 * mips.c (function_arg): Handle passing a struct
9030 containing a double in a DFmode register without the PARALLEL.
9032 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
9034 * pexecute.c: Use spawn if __CYGWIN32__.
9036 * pexecute.c: Include "config.h" first, as per autoconf manual
9037 (from Paul Eggert <eggert@twinsun.com>).
9039 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9041 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
9042 optimisation for f/expr.o and f/stb.o.
9044 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
9046 * cse.c (this_insn_cc0_mode): Initialize.
9048 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
9050 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
9052 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
9054 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
9056 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
9057 that pair will dual-issue on the 21164 and plus+beq won't.
9058 (bne): Likewise for cmpeq+beq.
9060 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
9062 * except.c (find_exception_handler_labels): Correct argument to free.
9064 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
9066 * except.c (find_exception_handler_labels): Free LABELS when we're
9069 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
9071 * version.c: Bump for snapshot.
9073 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9075 * flow.c (find_basic_blocks): Mark calls as potentially jumping
9078 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
9080 * configure.in: Substitute for "install" too.
9081 * configure: Rebuilt.
9083 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
9085 * Makefile.in (bootstrap-lean, compare-lean): New targets.
9087 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
9089 * alias.c (base_alias_check): Two symbols can conflict if they
9090 are accessed via AND.
9091 (memrefs_conflict_p): Likewise.
9093 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
9094 after flushing argument registers to the stack.
9096 * Makefile.in (mostlyclean): Remove .regmove files.
9098 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9100 * libgcc2.c (__throw): Fix thinko.
9102 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
9104 * cplus-dem.c (demangle_template): Add new parameter. Handle new
9105 template-function mangling.
9106 (consume_count_with_underscores): New function.
9107 (demangle_signature): Handle new name-mangling scheme.
9109 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9111 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
9114 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
9116 * frame.c: Remove last change.
9117 * dwarf2.h: Remove last change.
9118 * tree.h: Add declarations of DWARF2 unwind info support
9121 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9123 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
9124 * tree.h (built_in_function): Likewise.
9125 * expr.c (expand_builtin): Likewise.
9126 * except.h: Likewise.
9127 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
9128 * libgcc2.c (copy_reg): New fn.
9131 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
9133 * c-typeck.c (build_binary_op): Warn about comparing signed vs
9134 unsigned if -W is specified and -Wno-sign-compare is not.
9135 * c-decl.c (warn_sign_compare): Initialize to -1.
9136 (c_decode_option): -Wall no longer implies -Wsign-compare.
9138 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9140 * frame.c: Include gansidecl.h for PROTO.
9141 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
9142 defined. Don't declare dwarf2out_cfi_label here.
9143 * dwarf2.h: Add declarations of DWARF2 unwind info support
9145 * m68k.c: Include dwarf2.h.
9146 (output_function_prologue): Add dwarf2 support.
9147 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
9148 (INCOMING_FRAME_SP_OFFSET): Likewise.
9150 * integrate.c (expand_inline_function): Make sure there is at
9151 least one insn that can be used as an insertion point.
9153 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9155 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
9157 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
9159 * version.c: Bump for snapshot.
9161 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
9163 Bring over from FSF.
9165 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
9167 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
9168 (get_pc_via_rdpc): Renamed from get_pc_sp64.
9169 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
9171 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
9173 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
9174 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
9176 (sparc_align_{loops,jumps,funcs}_string): Declare.
9177 (sparc_align_{loops,jumps,funcs}): Declare.
9178 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
9179 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
9180 (STACK_BIAS): Define.
9181 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
9183 (SPARC_SETHI_P): New macro.
9184 (CONST_OK_FOR_LETTER_P): Use it.
9185 (ASM_OUTPUT_ALIGN_CODE): Define.
9186 (ASM_OUTPUT_LOOP_ALIGN): Define.
9187 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
9188 (sparc_align_{loops,jumps,funcs}): New globals.
9189 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
9191 (move_operand): Use SPARC_SETHI_P.
9192 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
9194 (arith11_double_operand): Likewise.
9195 (arith10_double_operand): Likewise.
9196 (finalize_pic): Finish sparc64 support.
9197 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
9198 64 bit constants if able.
9199 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
9200 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
9202 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
9203 (get_pc_sp32): Use for sparc64 as well.
9204 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
9205 (sethi_di_sp64_const): Likewise.
9206 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
9207 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
9208 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
9210 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
9212 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
9213 * sparc/linux.h (COMMENT_BEGIN): Likewise.
9214 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
9216 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
9218 Add sparc64 linux support.
9219 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
9220 to xm_file list on 32-bit sparc-linux.
9221 * sparc/xm-sp64.h: New file.
9222 * sparc/linux64.h: New file.
9223 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
9224 Don't include xm-sparc.h.
9225 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
9226 * glimits.h (LONG_MAX): Handle sparc64.
9228 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
9230 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
9231 * sparc.h (ASM_COMMENT_START): Define.
9232 * sparc.c (output_function_prologue): Use it.
9233 (sparc_flat_output_function_{epi,pro}logue): Likewise.
9235 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
9237 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
9238 use sparc.h's copies.
9239 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
9242 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9244 * sparc.c (dwarf2out_cfi_label): Add declaration.
9245 (save_regs, output_function_prologue): Remove cast for it.
9246 (sparc_flat_{save_restore,output_function_prologue): Likewise.
9247 ({save,restore}_regs): No longer inline.
9249 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9251 * fold-const.c (make_range): Correctly handle cases of converting
9252 from unsigned to signed type.
9254 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9256 * fold-const.c (merge_ranges): Make sure that if one range is subset
9257 of another, it will always be the second range. Correct (+,-) case to
9260 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
9262 * final.c (final_end_function): Also do dwarf2 thing if
9263 DWARF2_DEBUGGING_INFO.
9264 (final_start_function): Likewise.
9266 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
9268 * expmed.c (expand_divmod): If compute_mode is not the same as
9269 mode, handle the case where convert_modes() causes op1 to no
9270 longer be a CONST_INT.
9272 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
9273 note holding get_jump_flags() calculation to all JUMP_INSNs.
9274 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
9275 * rtl.c (reg_note_name): Add new note types.
9277 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
9279 * rtlanal.c (computed_jump_p): Fix typo in last change.
9281 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9283 * loop.c (indirect_jump_in_function_p): Return 0
9286 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
9288 * rs6000/xm-rs6000.h: Fix thinko in last change.
9289 * rs6000/xm-sysv4.h: Likewise.
9291 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
9293 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
9295 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
9297 * reg-stack.c (find_blocks): Fix thinko in last change.
9299 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9301 * m68k.c (output_function_prologue): Add dwarf2 support.
9303 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
9304 INCOMING_FRAME_SP_OFFSET): New definitions.
9306 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9308 * combine.c (try_combine): Use NULL_RTX instead of '0' where
9309 appropriate in calls to gen_rtx().
9310 * cse.c (cse_main): Likewise.
9311 * emit-rtl.c (gen_label_rtx): Likewise.
9312 * expr.c (init_expr_once): Likewise.
9313 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
9314 sched_analyze, init_rgn_data_dependences,
9315 compute_block_backward_dependences): Likewise.
9316 * sched.c (schedule_insns): Likewise.
9317 * varasm.c (immed_double_const): Likewise.
9319 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
9320 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
9322 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
9324 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
9325 (MULTILIB_DEFAULTS): Define.
9326 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
9327 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
9328 (LIBGCC_SPEC): Likewise.
9329 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
9330 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
9331 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
9332 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
9333 (EXTRA_PARTS, TAROUTOPTS): Delete.
9334 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
9335 (MULTILIB_OPTIONS): Define.
9336 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
9337 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
9339 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
9341 * version.c: Bump for snapshot.
9343 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
9345 * loop.c (loop_number): Delete function. Change all references
9346 to use uid_loop_num array.
9347 * loop.h (loop_number): Delete declaration.
9348 * unroll.c (unroll_loop): Change "loop_number" references to
9349 use uid_loop_num instead.
9351 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
9353 (loop_unroll_iter): Remove unused variable and all references.
9354 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
9355 (insert_bct): Fix minor formatting problems.
9356 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
9357 (loop_unroll_iter): Removed unused decl.
9358 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
9359 Always record the unrolling factor.
9361 * cse.c (simplify_relational_operation): Set h0u just like h0s.
9362 Similarly for h1u and h1s.
9364 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
9365 (find_basic_blocks): Use computed_jump_p to determine if a
9366 particular JUMP_INSN is a computed jump.
9367 * reg-stack.c (find_blocks): Use computed_jump_p to determine
9368 if a particular JUMP_INSN is a computed jump.
9369 * rtlanal.c (jmp_uses_reg_or_mem): New function.
9370 (computed_jump_p): Likewise.
9371 * rtl.h (computed_jump_p): Declare.
9372 * genattrtab.c (pc_rtx): Define and initialize.
9373 * loop.c (loop_optimize): Always determine if the current
9374 function has a computed jump.
9375 (indirect_jump_in_function_p): Use computed_jump_p to determine
9376 if a particular JUMP_INSN is a computed jump.
9378 * loop.c (fix_bct_param): Delete unused function.
9379 (check_bct_param): Likewise.
9381 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9383 * frame.c (__deregister_frame): Check properly for initialized object.
9385 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9387 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
9389 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9391 * jump.c (thread_jumps): check can_reverse_comparison_p before
9392 threading a reversed-condition jump.
9394 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
9395 * haifa-sched.c (update_flow_info): Likewise.
9397 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
9399 * Makefile.in (BOOT_CFLAGS): Use -O2.
9401 * configure.in (strtoul, bsearch): Have autoconf check for these
9403 * configure, config.in: Rebuilt.
9405 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
9406 * mips/mips.h (alloca): Likewise.
9407 * rs6000/xm-rs6000.h (alloca): Likewise.
9408 * rs6000/xm-sysv4.h: Likewise.
9410 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
9412 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
9413 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
9414 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
9416 * except.c (end_eh_unwinder): Subtract 1 from return address.
9417 * libgcc2.c (__throw): Likewise.
9418 (find_exception_handler): Don't change PC here. Compare end with >.
9420 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
9422 * v850.c (compute_register_save_size): Correct register
9424 * v850.md (save_interrupt, return_interrupt): Correct
9426 * v850/lib1funcs.asm (save_interrupt): Correct register number.
9427 (return_interrupt): Use stack pointer, not element pointer.
9429 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
9431 * configure.in, configure: Make sure to create the stage* and include
9432 symbolic links in each subdirectory.
9434 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
9436 * pa.md (reload_peepholes): Don't allow addresses with side
9437 effects for the memory operand.
9439 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9441 * libgcc2.c (find_exception_handler): Subtract one from our PC when
9442 looking for a handler, to avoid hitting the beginning of the next
9445 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
9447 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
9449 * mips/abi64.h (LONG_MAX_SPEC): Define.
9450 * mips.h (LONG_MAX_SPEC): Define.
9451 (CPP_SPEC): Include long_max_spec.
9452 (EXTRA_SPECS): Include long_max_spec.
9454 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
9456 * v850.c (construct_save_jarl): Fix thinko in last change.
9458 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
9460 * version.c: Bump for snapshot.
9462 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9464 * libgcc2.c (find_exception_handler): Not found is -1.
9466 * integrate.c (expand_inline_function): Move expand_start_bindings
9467 after expanding the arguments.
9469 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
9471 * expr.c (expand_expr): Remove previous incorrect change.
9472 If target and slot has no DECL_RTL, then call mark_addressable
9473 again for the slot after we give it RTL.
9475 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
9477 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
9478 again for the slot after we give it RTL.
9480 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
9482 * v850.c (register_is_ok_for_epilogue,
9483 pattern_is_ok_for_epilogue, construct_restore_jr,
9484 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
9486 * v850.h (pattern_is_ok_for_prologue,
9487 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
9490 * v850.md: Replace prologue and epilogue patterns with a
9491 match_parallel pattern.
9493 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
9495 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
9496 * configure.in: Use EGCS_PROG_INSTALL.
9498 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
9500 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
9501 extern inline function.
9503 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
9505 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
9506 (concat_loc_descriptor): New function.
9507 (loc_descriptor): Call it.
9508 (add_AT_location_description): Also elide the descriptor if both
9509 halves of a CONCAT are pseudos.
9510 (add_location_or_const_value_attribute): Recognize CONCAT too.
9512 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
9514 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
9516 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
9517 out-or-range reg_offset.
9518 (output_epilog): Likewise.
9520 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
9522 * cse.c (simplify_relational_operation): If MODE specifies a
9523 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
9524 is derived from the sign bit of the low word.
9526 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9528 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
9530 * dwarf2.h: Add DW_CFA_GNU_args_size.
9531 * frame.c (execute_cfa_insn): Likewise.
9532 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
9533 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
9534 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
9535 insn, hand it off to dwarf2out_stack_adjust.
9536 (dwarf2out_begin_prologue): Initialize args_size.
9537 * frame.h (struct frame_state): Add args_size.
9538 * libgcc2.c (__throw): Use args_size.
9539 * final.c (final_scan_insn): If we push args, hand off all insns
9540 to dwarf2out_frame_debug.
9541 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
9543 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
9544 Handle epilogue restore of SP from FP.
9545 * emit-rtl.c (gen_sequence): Still generate a sequence if the
9546 lone insn has RTX_FRAME_RELATED_P set.
9548 * frame.c (extract_cie_info): Handle "e" augmentation.
9549 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
9550 absence of UNALIGNED_*_ASM_OP.
9551 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
9552 (output_call_frame_info): Use "e" instead of "z" for augmentation.
9553 Don't emit augmentation fields length.
9554 (dwarf2out_do_frame): Move outside of #ifdefs.
9555 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
9558 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
9559 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
9560 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
9561 * sparc/sun4gas.h: New file.
9562 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
9564 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
9565 __register_frame_table and __deregister_frame.
9567 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
9569 * except.c (find_exception_handler_labels): Use xmalloc instead of
9570 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
9573 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
9575 * Makefile.in: Various changes to build info files
9576 in the object tree rather than the source tree.
9578 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
9580 * fixinc.math: New file to fix math.h on some systems.
9581 * configure.in (freebsd, netbsd): Use fixinc.math on these
9583 * configure: Rebuilt.
9585 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
9587 * regmove.c (regmove_optimize): If we end up moving the
9588 original insn due to lifetime overlaps, make sure to move
9591 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
9593 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
9595 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
9597 * haifa-sched.c (add_branch_dependences): Make each insn in
9598 a SCHED_GROUP_P block explicitly depend on the previous insn.
9600 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9602 * except.h: Prototype dwarf2 hooks.
9605 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
9607 * configure.in (native_prefix): Delete.
9608 (mips-dec-netbsd): Don't set prefix.
9609 (*linux*): Don't set prefix.
9611 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
9613 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
9614 defined. If not defined, include <sys/varargs.h> if
9615 HAVE_SYS_VARARGS_H is defined.
9616 * configure.in: Test for varargs.h and sys/varargs.h.
9617 * configure: Regenerate with autoconf.
9618 * config.in: Regenerate with autoheader.
9620 * cpplib.c (quote_string): Cast first arg of sprintf call
9621 from "unsigned char *" to "char *".
9622 (output_line_command): Ditto.
9623 (macroexpand): Ditto.
9624 (do_line): Cast atoi arg from "unsigned char *" to "char *".
9626 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
9628 * version.c: Bump for snapshot.
9630 * Makefile.in (compare): Exit with nonzero status if there
9631 are comparison failures. Note which files failed the
9632 comparison test in .bad_compare.
9634 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9636 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
9638 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
9640 * Makefile.in (LN, LN_S): New macros, use where appropriate.
9641 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
9642 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
9643 * configure: Regenerated.
9645 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
9647 * loop.c (strength_reduce): Fix typo.
9649 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
9651 * m88k/m88k.c (struct option): Rename to struct options.
9652 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
9653 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
9654 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
9655 __DOLPHIN__ or sysV88.
9657 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
9659 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
9662 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
9664 * config.sub: Accept 'amigados' for backward compatability.
9666 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9668 * Makefile.in (testsuite/site.exp): New target.
9669 (check-gcc, check-g++): Depend on testsuite/site.exp.
9670 Don't stop for failure.
9672 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
9674 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
9675 if DWARF2_UNWIND_INFO.
9677 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
9679 Add support for exception handling using DWARF 2 frame unwind info.
9680 Currently works on SPARC and MIPS, and almost on x86.
9682 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
9683 next_stack_level, in_reg_window): Helper fns.
9684 (__throw): Implement for DWARF2_UNWIND_INFO.
9686 * expr.c (expand_builtin): Handle builtins used by __throw.
9687 * tree.h (enum built_in_function): Add builtins used by __throw.
9688 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
9689 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
9690 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
9691 (expand_builtin_extract_return_addr): Likewise.
9692 (expand_builtin_frob_return_addr): Likewise.
9693 (expand_builtin_set_return_addr_reg): Likewise.
9694 (expand_builtin_eh_stub): Likewise.
9695 (expand_builtin_set_eh_regs): Likewise.
9696 (eh_regs): Choose two call-clobbered registers for passing back values.
9698 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
9699 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
9700 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
9701 (stmp-multilib): Likewise.
9702 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
9704 * except.c: #include "defaults.h".
9705 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
9706 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
9707 (register_exception_table_p): New fn.
9708 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
9709 (end_eh_unwinder): Likewise.
9711 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
9712 call __register_frame and __deregister_frame as needed.
9713 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
9714 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
9715 EH_FRAME_SECTION_ASM_OP.
9716 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
9717 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
9718 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
9720 * dwarf2out.c (output_call_frame_info): If no support for
9721 EXCEPTION_SECTION, mark the start of the frame info with a
9723 * collect2.c (frame_tables): New list.
9724 (is_ctor_dtor): Recognise frame entries.
9725 (scan_prog_file): Likewise.
9726 (main): Pass -fno-exceptions to sub-compile. Also do collection
9727 if there are any frame entries.
9728 (write_c_file_stat): Call __register_frame_table and
9729 __deregister_frame as needed.
9730 (write_c_file_glob): Likewise.
9732 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
9733 Also require unaligned reloc support.
9734 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
9735 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
9736 * sparc/sysv4.h: Not here.
9738 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
9739 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
9740 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
9742 * libgcc2.c (L_eh): Reorganize, moving code shared by different
9743 EH implementations to the top.
9744 (find_exception_handler): Split out. Start from 0. Compare against
9746 (__find_first_exception_table_match): Use it.
9747 * except.c (output_exception_table): Don't do anything if there's
9748 no table. Don't output a first entry of zeroes.
9749 (eh_outer_context): Adjust properly.
9750 (add_eh_table_entry): Use xrealloc.
9751 * toplev.c (compile_file): Just call output_exception_table.
9753 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
9755 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
9757 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
9759 * except.c (eh_outer_context): Do masking using expand_and.
9761 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
9763 Add port done awhile ago for the ARC cpu.
9764 * arc/arc.h: New file.
9765 * arc/arc.c: New file.
9766 * arc/arc.md: New file.
9767 * arc/initfini.c: New file.
9768 * arc/lib1funcs.asm: New file.
9769 * arc/t-arc: New file.
9770 * arc/xm-arc.h: New file.
9771 * ginclude/va-arc.h: New file.
9772 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
9773 * ginclude/varargs.h: Likewise.
9774 * Makefile.in (USER_H): Add va-arc.h.
9775 * configure.in (arc-*-elf*): Recognize.
9776 * longlong.h: Add ARC support.
9778 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
9780 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
9781 when clearing non-BLKmode data.
9783 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
9785 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
9786 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
9788 * xm-m88k.h (USG): Only define if it hasn't already been defined.
9790 * Makefile.in (risky-stage1): Delete gratutious whitespace.
9792 * Makefile.in (clean): Delete libgcc1-test.
9794 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
9796 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
9798 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
9801 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9803 * dwarf2out.c (output_call_frame_info): Call named_section.
9805 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
9807 * haifa-sched.c (print_value): Fix last change.
9809 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
9811 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
9814 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
9816 * mips.c (function_prologue): Set up the CFA when ABI_32.
9818 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
9819 for dwarf2 unwind info.
9820 (output_function_prologue, sparc_flat_output_function_prologue): Same.
9822 * final.c (final_end_function): Check dwarf2out_do_frame instead
9823 of DWARF2_DEBUG for dwarf2 unwind info.
9824 (final_scan_insn): Likewise.
9825 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
9828 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
9831 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
9833 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
9835 * v850.h (ASM_SPEC): Pass on target processor.
9836 (CPP_PREDEFINES): Only define if not already specified.
9837 (TARGET_VERSION): Only define if not already specified.
9838 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
9840 (EXTRA_SWITCHES): Extra entries in the switches array.
9841 (TARGET_DEFAULT): Set default target processor.
9843 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
9845 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
9846 cases, add %# and %/, and add : to make them into extended asms.
9848 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
9850 * alias.c (init_alias_analysis): Clean up incompatible pointer
9851 type warning in bzero.
9852 * regmove.c (regmove_optimize): Ditto.
9853 * haifa-sched.c (find_rgns): Ditto.
9855 * haifa-sched.c (print_value): Clean up ptr->int cast
9858 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
9860 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
9861 * install.texi (Configurations): Ditto.
9862 * config.sub: Ditto.
9864 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
9866 * Makefile.in (sdbout.o): Depend on insn-config.h.
9868 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
9870 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
9871 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
9873 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
9875 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
9876 prologue insn, only the first elt is significant.
9877 (output_call_frame_info): For exception handling, always use 4-byte
9878 fields as specified by the dwarf2 spec.
9879 Don't skip trivial FDEs.
9881 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
9883 * version.c: Bump for snapshot.
9885 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
9887 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
9888 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
9891 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
9893 * final.c (shorten_branches): During first pass, assume worst
9894 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
9896 * Makefile.in (distclean): Remove various things left around
9897 by running the testsuite.
9899 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
9901 * configure.in (out_file): Emit definition to config.status in order
9902 to have a defined value for configure.lang.
9903 * configure: Re-built.
9905 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
9907 * configure.in: Make symlink to as-new rather than as.new. Similarly
9909 * configure: Rebuilt.
9911 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
9913 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
9915 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
9917 * sparc/sparc.md: Add ultrasparc scheduling support.
9918 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
9920 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9922 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
9923 as initial value for real_label_map.
9924 (copy_for_inline): Likewise.
9926 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9928 * sched.c (update_flow_info) When looking if to set found_split_dest
9929 or found_orig_dest, look at all parts of a PARALLEL.
9930 * haifa-sched.c (update_flow_info): Likewise.
9932 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
9934 * v850: New directory for v850 port.
9935 * v850/lib1funcs.asm: New file.
9936 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
9937 * ginclude/va-v850.h: New file.
9938 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
9939 * configure.in (mn10200-*-*): New target.
9940 * configure: Rebuilt.
9941 * config.sub: Handle v850-elf.
9942 * Makefile.in (USER_H): Add va-mn10200.h.
9943 * invoke.texi: Document v850 stuff.
9945 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
9947 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
9948 has integer TYPE_{MAX,MIN}_VALUE before using them.
9950 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
9951 __HPUX_ASM__ versions.
9953 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
9955 * install.sh: Delete duplicate install script.
9957 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
9959 * reg-stack.c (subst_stack_regs): Pop the stack register for a
9960 computed goto which sets the same stack register.
9962 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
9963 destination are both on the regstack.
9964 (subst_stack_regs_pat): Put the destination at the top of the regstack.
9966 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
9968 * mips.md (nonlocal_goto_receiver): Define.
9970 * profile.c (output_arc_profiler): Check next_insert_after for non
9971 NULL before deferencing it.
9973 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
9975 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
9977 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
9979 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
9981 * toplev.c (rest_of_compilation): For passes starting with
9982 flow_analysis, use print_rtl_with_bb instead of print_rtl.
9984 * print-rtl.c (print_rtl_single): Print a single rtl value to a
9987 * flow.c (print_rtl_with_bb): Print which insns start and end
9988 basic blocks. For the start of a basic block, also print the live
9991 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
9993 * toplev.c (main): Change #elif to #else/#ifdef
9995 * tlink.c: Include ctype.h.
9996 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
9998 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10000 * bitmap.c: Conditionally include stdlib.h.
10001 (free): Provide a declaration if NEED_DECLARATION_FREE.
10003 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10005 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10007 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10009 * profile.c (output_arc_profiler): Verify next_insert_after is an
10010 INSN before and after skipping a stack pop.
10012 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10014 * final.c (shorten_branches): Don't count the lengths of deleted
10017 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10019 * version.c: Bump for snapshot.
10021 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10023 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10024 two bitmaps ANDed together.
10025 (bitmap_print): Declare.
10027 * bitmap.c (function_obstack): Don't declare any more.
10028 (bitmap_obstack): Obstack for allocating links from.
10029 (bitmap_obstack_init): New static to say whether to initialize
10031 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10032 (bitmap_release_memory): Free all memory allocated from
10035 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
10036 EXECUTE_IF_AND_IN_BITMAP.
10038 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
10040 * alias.c (true_dependence): Address with AND can alias scalars.
10041 (anti_dependence, output_dependence): Likewise.
10043 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
10045 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
10047 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
10048 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
10049 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
10050 definitions. Use -qrtems instead of -mrtems.
10052 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
10054 * xm-sco5.h (sys_siglist): Define.
10055 (SYS_SIGLIST_DECLARED): Likewise.
10057 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
10059 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
10061 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
10063 * except.c (eh_outer_context): Expand masking operation using
10066 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
10068 * alpha.md (floatdisf2-1): New pattern.
10070 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
10072 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
10073 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
10074 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
10075 * gcc.texi: Note that if you define sys_siglist that you should
10076 also define SYS_SIGLIST_DECLARED.
10078 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
10079 are relative to the next instruction, not the current instruction.
10081 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
10083 * local-alloc.c (contains_replace_regs): New function.
10084 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
10085 verify that there is no existing REG_EQUIV note, and add a call to
10086 contains_place_regs.
10088 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10090 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
10091 (STARTFILE_SPEC): Always use crtbegin.o%s
10092 (ENDFILE_SPEC): Always use crtend.o%s.
10094 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
10096 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
10098 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
10099 SFmode for 64 bit hosts.
10101 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
10103 * fixincludes: Permits spaces between # and define. Discard C++
10104 comments in sys/pci.h on HP/UX 10.20.
10106 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
10108 * version.c: Bump for snapshot.
10110 * pa.c (restore_unscaled_index_insn_codes): New function.
10111 (record_unscaled_index_insn_codes): Likewise.
10112 (output_function_prologue): Call restore_unscaled_index_insn_codes.
10113 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
10114 (pa_reorg): Call record_unscaled_index_insn_codes.
10116 * haifa-sched.c (move_insn): Handle notes correctly for insns
10117 with SCHED_GROUP_P set.
10119 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10121 * alpha/xm-linux.h (USE_BFD): Undef before define.
10123 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
10125 * cse.c (cse_insn): Don't record BLKmode values.
10127 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
10129 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
10131 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
10133 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
10134 * collect2.c (sys_errlist): Likewise.
10135 * cpplib.c (sys_errlist): Likewise.
10136 * gcc.c (sys_errlist): Likewise.
10137 * protoize (sys_errlist): Likewise.
10138 * configure.in: Check for strerror.
10139 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
10140 * xm-gnu.h (HAVE_STRERROR): Likewise.
10141 * xm-linux.h (HAVE_STRERROR): Likewise.
10142 * xm-netbsd.h (HAVE_STRERROR): Likewise.
10143 * xm-bsd386.h (HAVE_STRERROR): Likewise.
10144 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
10145 * xm-dos.h (HAVE_STRERROR): Likewise.
10146 * xm-mingw32.h (HAVE_STRERROR): Likewise.
10147 * xm-pa.h (HAVE_STRERROR): Likewise.
10148 * xm-papro.h (HAVE_STRERROR): Likewise.
10149 * xm-sysv4.h (HAVE_STRERROR): Likewise.
10150 * configure, config.in: Rebuilt.
10152 * Makefile.in: Add several missing "else true" clauses.
10154 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
10155 * mips-tfile.c: Likewise.
10156 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
10157 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
10158 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
10159 * configure.in: Check for sys_siglist declaration.
10160 * configure, config.in: Rebuilt.
10162 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
10164 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
10165 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
10166 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
10167 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
10168 * rs6000/sysv4.h (extra_subtarget_switches): Added new
10169 macro EXTRA_SUBTARGET_SWITCHES.
10170 * configure.in (sh*-*-rtems*): New target.
10171 * sh/rtems.h: New file.
10172 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
10173 * configure: Rebuilt.
10175 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
10177 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
10179 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
10181 * rs6000.md: Make DF fused-add operations pay attention to
10184 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
10186 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
10188 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
10190 * pa.md (reload_peepholes): Make sure operand is a REG before
10191 examining REGNO. Allow general registers too.
10193 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
10195 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
10197 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
10199 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
10200 to reallocate abbrev_die_table.
10202 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
10204 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
10206 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10208 * Makefile.in (config.status): Depend on version.c
10210 * expr.h (insn_gen_function): Reenable prototype.
10212 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
10215 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
10217 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
10219 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
10221 * version.c: Bump for latest snapshot.
10223 * bc-optab.c: Conditionally include stdlib.h.
10224 (free): Provide a declaration if NEED_DECLARATION_FREE.
10225 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
10226 * rtl.h (free): Remove declaration.
10227 * tree.h (free): Remvoe declaration.
10229 * configure: Rebuilt.
10231 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
10233 * flags.h (flag_move_all_movables): Declare.
10234 (flag_reduce_all_givs): Likewise.
10235 * loop.c (move_movables): Handle flag_move_all_movables.
10236 (strength_reduce): Handle flag_reduce_all_givs.
10237 * toplev.c (flag_move_all_movables): Define.
10238 (flag_reduce_all_givs): Likewise.
10239 (f_options): Add -fmove-all-movables and -freduce-all-givs.
10240 * invoke.texi: Document new options, including alias stuff that
10241 wasn't included last time.
10243 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
10245 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
10246 * t-mn10200: Ditto.
10247 * t-vxsparc: Ditto.
10248 * t-vxworks68: Ditto.
10249 * t-vxworks960: Ditto.
10252 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
10254 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
10255 if not already defined, and USE_C_ALLOCA not defined.
10257 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
10259 * config.guess: Replace with script that uses ../config.guess.
10261 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
10262 if USE_GNULIBC_1 is not defined.
10264 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
10266 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
10267 * config.guess: Recognize alpha-linux-gnulibc1.
10268 * configure.in (alpha-*-linux-gnulibc1): New target.
10269 (alpha-*-linux-gnu*): Don't build crtbegin/end.
10271 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
10273 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
10276 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
10278 * loop.c (combine_movables): Earlier insns don't match later ones.
10280 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10282 * config/linux.h (CC1_SPEC): Define it only if not defined.
10284 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
10287 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
10288 USE_GNULIBC_1 is not defined.
10290 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
10292 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
10293 as 1 if USE_GNULIBC_1 is not defined.
10295 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
10297 * reorg.c (dbr_schedule): Allow current_function_return_rtx
10298 to be something other than a REG.
10299 * function.c (expand_function_end): Fix current_function_return_rtx
10300 if it was a pseudo.
10302 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
10303 * x-netbsd: Likewise
10304 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
10305 (INSTALL_HEADERS): Delete.
10306 * x-dguxbcs: Likewise.
10307 * x-hp3bsd44: Likewise
10310 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10312 * i386.md (pop): pop increments the stack pointer.
10313 (prologue_set_stack_ptr): New pattern.
10314 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
10317 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
10319 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
10320 address where an offsettable address is required.
10322 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
10324 * loop.c (check_final_value): Don't miss a biv increment in a
10327 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
10329 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
10330 TYPE_DECL_IS_STUB instead of DECL_NAME.
10332 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10334 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
10336 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
10338 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
10340 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
10342 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
10343 (find_post_sched_live): Likewise.
10345 * haifa-sched.c (schedule_block): Remove old code to get arguments
10346 from hard regs into pseudos early.
10348 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
10350 * version.c: Bump for new snapshot.
10352 * local-alloc.c (update_equiv_regs): All the target to reject
10353 promotion of some REG_EQUAL to REG_EQUIV notes.
10354 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
10356 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
10359 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
10360 store of the argument registers.
10362 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
10364 * fold-const.c (multiple_of_p): New function.
10365 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
10367 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
10369 * expr.h (insn_gen_function): Temporarily remove prototype.
10371 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
10373 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
10374 filenames. Use sed to extract base filename for install.
10376 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
10378 * unroll.c (find_splittable_givs): Only share if two givs have the
10379 same add and multiply values.
10381 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
10383 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
10384 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
10386 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
10388 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
10389 around branch tables.
10390 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
10391 and .end_brtab directives if TARGET_GAS.
10393 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
10395 * alias.c (true_dependence): Pass x_addr not x to varies.
10397 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
10398 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
10399 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
10401 * config.in, configure: Regenerate.
10403 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
10405 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
10407 (record_set): Handle LO_SUM like PLUS.
10408 (init_alias_analysis): When following chains of base addresses,
10409 do not stop on reaching a hard register.
10411 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
10413 * version.c: Bump for new snapshot.
10415 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
10417 * alpha.h (ARCH_ASM_FILE_START): Define.
10418 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
10419 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
10421 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
10423 * Makefile.in (install-common): Put gcov comment at start of line.
10425 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
10427 * alias.c (init_alias_analysis): When simplifying the reg_base_value
10428 array, simplify entries for hard registers too.
10430 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
10432 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
10435 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
10437 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
10438 block_stack before dereferencing it.
10440 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
10442 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
10444 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10446 * cplus-dem.c: Add 'extern' to prepends_underscore.
10448 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
10450 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
10451 (get_issue_rate): Delete.
10452 * pa.h (ISSUE_RATE): Define.
10454 * configure.in: Turn on haifa by default for the PA.
10455 * configure: Rebuilt.
10456 * pa.c (override_options): Accept -mschedule=7200 option.
10457 (pa_adjust_cost): No longer need to scale costs for newer
10459 * pa.h (enum processor_type): Add PROCESSOR_7200.
10460 * pa.md: Revamp scheduling parameters to work better with
10461 haifa. Add scheduling parameters for the 7200.
10463 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
10465 (schedule_block): When adjusting basic_block_{head,end}, account
10466 for movement of SCHED_GROUP_P insns too.
10468 * haifa-sched.c (debug_dependencies): Fix thinko.
10470 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
10471 (site.exp, check, check-g++, check-gcc): New targets.
10473 * haifa-sched.c: Make lots of variables static.
10475 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10477 * expr.h, real.h: Finish prototyping.
10479 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
10481 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
10482 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
10483 * reload1.c: Undo bugfix from Aug 11.
10485 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
10487 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
10488 quotes around the name.
10489 * configure: Regenerate.
10491 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
10493 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
10495 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
10497 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
10498 to sub-makes to avoid building more passes than the user might have
10499 requested on the command line.
10501 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
10503 * configure.in: Expurgate `broken_install' (install is
10506 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
10509 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
10511 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
10512 functions and declarations.
10513 (analyze_loop_iterations): Use condjump_p.
10514 (insert_bct): Likewise. Use exact_log2.
10516 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
10518 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
10519 (schedule_region): Likewise.
10520 (schedule_insns): Likewise.
10522 * PROJECTS: Update with Haifa stuff.
10524 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
10526 * version.c: Change the version string to look like:
10527 egcs-2.90.00 970814 (gcc2-970802 experimental).
10529 * loop.c (is_conditional_branch): Make definition match declaration.
10531 * gcc.c: Take out experimental snapshot warning message.
10533 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
10535 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
10536 print out the names of the notes. Print out the name of the insn
10537 that is not a note, and not an {,CALL_,JUMP_}INSN.
10539 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10541 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10542 again for the slot after we give it RTL.
10544 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
10546 * configure.in (haifa configury): Fix typo.
10547 * configure: Regenerate.
10549 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
10551 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
10553 * gcc.info*: Rebuilt.
10555 * COPYING.g77, README.g77: New files.
10556 * real.c (ereal_unto_float, ereal_unto_double): New functions.
10557 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
10558 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
10560 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
10562 * Integrate Haifa instruction scheduler.
10563 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
10564 to sched with $(SCHED_CFLAGS.
10565 * configure.in: Handle --enable-haifa.
10566 * configure: Rebuilt.
10567 * flags.h: Add new flags for haifa instruction scheduler.
10568 * genattrtab.c (expand_units): For haifa, don't subtract one
10569 when computing blockage.
10570 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
10571 (flag_schedule_speculative): Ditto.
10572 (flag_schedule_speculative_load): Ditto.
10573 (flag_schedule_speculative_load_dangerous): Ditto.
10574 (flag_schedule_reverse_before_reload): Ditto.
10575 (flag_schedule_reverse_after_reload): Ditto.
10576 (flag_branch_on_count_reg): Ditto.
10577 (f_options): Add Haifa switches.
10578 (main): Turn off some Haifa options if appropriate macro is
10579 defined. Process Haifa switches.
10580 * unroll.c (iteration_info): No longer static, since Haifa
10582 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
10583 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
10584 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
10585 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
10586 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
10587 storage for the Haifa scheduler.
10588 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
10590 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
10591 are defined, call analyze_loop_iterations and insert_bct to use
10593 (record_giv): Refine test for jumps out of loops if HAIFA is
10595 (analyze_loop_iterations): New function to identify if we can use
10597 (insert_bct): Insert countdown loop.
10598 (instrument_loop_bct): Low level code to insert countdown loop.
10599 (loop_number): Calculate UID of loop.
10600 (indirect_jump_in_function_p): Return true if an indirect jump is
10602 (is_power_of_2): Return true if value is a power of 2.
10603 (is_conditional_branch): Return true if insn is a conditional
10605 (fix_bct_param): Process -fbct-{min,max}-N switches.
10606 (check_bct_param): Return true if loop should be instrumented.
10607 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
10608 (loop_optimize): Initialize.
10609 (get_condition_for_loop): Ditto.
10610 * loop.c (strength_reduce): Inside of code that uses #ifdef
10611 HAVE_decrement_and_branch_on_count code, test it to make sure the
10613 (instrument_loop_bct): Ditto.
10614 * haifa-sched.c: New file.
10617 * Integrate regmove pass.
10618 * Makefile.in (OBJS): Add regmove.o
10619 (regmove.o): Add dependencies.
10620 * flow.c (find_use_as_address): No longer static.
10621 * rtl.h (find_use_as_address): Declare.
10622 * toplev.c (regmove_dump, flag_regmove): Define.
10623 (f_options): Add -fregmove.
10624 (regmove_dump_file, regmove_time): Define.
10625 (fatal_insn): Close the regmove dump file.
10626 (compile_file): Initialize regmove_time; open/close the regmove dump
10627 file as needed. Print regmove time as needed.
10628 (rest_of_compilation): Run regmove pass if requested, dump
10629 RTL after regmove if requested.
10630 (main): If -O2 or more, turn on regmove. Handle dump switches.
10631 * regmove.c: New file.
10633 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
10635 * Integrate tlink patch from jason@cygnus.com
10636 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
10637 (process_command): Increment n_switches for them. Don't discard
10638 their args. Validate them.
10639 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
10641 (process_command): Set include_prefixes from COMPILER_PATH.
10642 (main): Set COLLECT_GCC_OPTIONS sooner.
10643 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
10644 * tlink.c, hash.c, hash.h: New files.
10645 * Makefile.in (USE_COLLECT2): Always use collect2.
10646 (collect2): Depend on and link in hash.o and tlink.o.
10647 (tlink.o, hash.o): Add dependencies.
10649 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
10651 * Integrate alias analysis changes from jfc@mit.edu
10652 * Makefile.in (OBJS): Add alias.o
10653 (alias.o): Add dependencies.
10654 * alias.c: New file.
10655 * sched.c: Remove alias analysis code. It lives in alias.c now.
10656 (sched_analyze_2): Add new arguments to true_dependence.
10657 (schedule_insns): Always call init_alias_analysis.
10658 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
10659 mark return value from such functions as a pointer and keep track of
10660 them for alias analysis. If a return value from a function is a
10661 pointer, mark it as such.
10662 * combine.c (distribute_notes): Handle REG_NOALIAS.
10663 * cse.c (struct write_data): Delete. No longer needed.
10664 (invalidate): Don't call set_nonvarying_address_components anymore.
10665 Use true_dependence to decide if an entry should be removed from
10667 (invalidate_memory): Remove WRITES argument, simplify appropriately.
10669 (note_mem_written): Similarly for WRITE_PTR argument.
10670 (invalidate_from_clobbers): Similarly for W argument.
10671 (invalidate_for_call): Remove memory elements from the hash table.
10672 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
10673 (cse_rtx_varies_p): New function. Derived from old
10674 cse_rtx_addr_varies_p.
10675 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
10676 Don't call note_mem_written anymore. Stack pushes invalidate the stack
10677 pointer if PUSH_ROUNDING is defined. No longer need to call
10678 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
10679 (skipped_writes_memory): Remove variable.
10680 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
10681 (invalidate_skipped_block): Simplify for new alias analysis code.
10682 (cse_set_around_loop): Likewise.
10683 (cse_main): Call init_alias_analysis.
10684 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
10685 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
10686 (f_options): Add new alias checking arguments.
10687 (main): Set flag_alias_check when optimizing.
10688 * local_alloc (validate_equiv_mem_from_store): Add new arguments
10689 to true_dependence.
10690 (memref_referenced_p): Likewise.
10691 * loop.c (NUM_STORES): Increase to 30.
10692 (prescan_loop): Only non-constant calls set unknown_address_altered.
10693 (invariant_p): Add new arguments to true_dependence.
10694 (record_giv): Initialize unrolled and shared fields.
10695 (emit_iv_add_mult): Call record_base_value as needed.
10696 * loop.h (struct induction): Add unrolled and shared fields.
10697 * unroll.c (unroll_loop): Call record_base_value as needed.
10698 (copy_loop_body): Likewise.
10699 (final_biv_value): Likewise.
10700 (final_giv_value): Likewise.
10701 (find_splittable_regs): Likewise. Only create one new pseudo
10702 if we have multiple address GIVs that were combined with the same
10703 dst_reg GIV. Note when a new register is created due to unrolling.
10704 * rtl.c (reg_note_name): Add REG_NOALIAS.
10705 * rtl.h (enum reg_note): Similarly.
10706 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
10707 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
10708 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
10709 (true_dependence, read_dependence, anti_dependence): Likewise.
10710 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
10711 (mark_user_reg, mark_reg_pointer): Likewise.
10714 * Integrate reload bugfix from Wilon which enables the PA port
10715 to bootstrap again.
10716 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
10717 OPERAND_ADDRESS when computing how many registers an insn needs.
10718 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
10720 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
10721 OPADDR_ADDR reload.
10722 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
10723 in reload_reg_use_in_op_addr do not reach the end.
10724 do not reach the end.
10725 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
10726 RELOAD_FOR_OPERAND_ADDRESS.
10728 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
10730 * egcs project officially starts.
10733 add-log-time-format: current-time-string