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i386.c (notice_update_cc): Clear cc_status.value2 in the case of UNSPEC 5 (bsf).
[gcc.git] / gcc / ChangeLog
1 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
2
3 * fold-const.c (fold): Even with otherwise constant trees, look for
4 opportunities to combine integer constants.
5
6 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
7
8 * i386.c (notice_update_cc): Clear cc_status.value2 in the
9 case of UNSPEC 5 (bsf).
10
11 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
12 conditional move instructions don't support signed integer
13 comparisons.
14
15 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
16
17 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
18 overlfows.
19
20 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
21 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
22 <glctr@abc.it>.
23
24 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
25
26 * except.c (expand_start_catch): Rename to start_catch_handler.
27 (expand_end_catch): Delete function.
28 (expand_end_all_catch): Remove catch status that expand_end_catch
29 use to do.
30 * except.h (expand_start_catch): Rename prototype.
31 (expand_end_catch): Delete prototype.
32
33 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
34
35 * invoke.texi: Add documentation for -mips4 and -mabi=*.
36
37 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
38
39 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
40 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
41 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
42
43 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
44
45 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
46 as the threshold to permit splitting memory operations.
47
48 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
49
50 * mips.c (gpr_mode): New variable.
51 (override_options): Initialize gpr_mode.
52 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
53 determine size and offset of general purpose registers save slots.
54 (save_restore_insns, mips_expand_prologue): Similarly.
55
56 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
57 (LIBGCC2_CFLAGS): Remove -fexceptions.
58 (LIB2FUNCS): Remove "_eh".
59 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
60 it with -fexceptions.
61
62 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
63 * local-alloc.c (block_alloc): Avoid creating false
64 dependencies for targets which use instruction scheduling.
65
66 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
67
68 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
69 (ASM_FINISH_DECLARE_OBJECT): Define;
70 * mips/elf64.h: Likewise.
71
72 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
73
74 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
75
76 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
77
78 * version.c: Bump for snapshot.
79
80 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
81
82 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
83 (mulsidi3_ppc64): Delete.
84
85 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86
87 * Makefile.in (varasm.o): Depend on dbxout.h.
88 (cse.o): Depend on toplev.h and output.h.
89 (gcse.o): Depend on output.h.
90
91 * mips.c: Include system.h and toplev.h and remove redundant code.
92 Include output.h after tree.h so all its prototypes get activated.
93 * mips.md (table_jump): Remove unused variable `dest'.
94
95 * sparc.h: Add prototype for `v8plus_regcmp_op'.
96
97 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
98 with __attribute__ ((__unused__)).
99 (__frame_dummy): Provide prototype before use, wrap it with
100 EH_FRAME_SECTION_ASM_OP.
101
102 * cse.c: Move inclusion of <setjmp.h> above local headers.
103 Include toplev.h and output.h.
104
105 * dbxout.h: Add prototype for `dbxout_begin_function'.
106
107 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
108 ASM_OUTPUT_MAX_SKIP_ALIGN.
109
110 * gcse.c: Include system.h and output.h.
111 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
112 Make extern instead of static.
113 (compute_can_copy): Only declare variables `reg' and `insn' when
114 AVOID_CCMODE_COPIES is not defined.
115 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
116 (hash_scan_clobber): Likewise for `x' and `insn'.
117 (hash_scan_call): Likewise.
118 (record_last_set_info): Likewise for `setter'.
119 (mark_call): Likewise for `pat'.
120 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
121
122 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
123 length parameter so that it multiplies the number of elements by
124 the sizeof(element).
125
126 * output.h: Add prototype for `weak_finish'.
127
128 * recog.h: Likewise for `validate_replace_src'.
129
130 * rtl.h: Likewise for `optimize_save_area_alloca',
131 `fix_sched_param', `purge_addressof', `gcse_main',
132 `regmove_optimize', `dbr_schedule', `branch_prob' and
133 `end_branch_prob'.
134
135 * toplev.h: Likewise for `set_float_handler' and
136 `output_quoted_string'.
137
138 * varasm.c: Include dbxout.h.
139
140 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
141
142 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
143 GP_REG_P. Use gr_regs instead of GR_REGS.
144
145 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
146 Jeff Law <law@cygnus.com>
147
148 * Revamped multiply support for MIPS chips.
149 * mips.c (extend_operator): New function.
150 (highpart_shift_operator): Likewise.
151 * mips.h: Declare new functions.
152 (PREDICATE_CODES): Add support for new predicates.
153 * mips.md (mulsi3 expander): Simplify.
154 (mulsi_mult3): Add another constraint alternative. Support
155 3 operand multiply instructions as found on various mips
156 parts.
157 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
158 (mul_acc_si): New pattern and associated splitters.
159 (mulsidi3 expander): Rework to use mulsidi3_64bit and
160 mulsidi3_internal.
161 (umulsidi3): New expander.
162 (mulsidi3_internal): Accept either sign or zero extended
163 operands and generate code as appropriate appropriately.
164 (mulsidi3_64bit): Similarly.
165 (smulsi3_highpart): Turn into an expander and generate code
166 to match new patterns.
167 (umulsi3_highpart): Likewise.
168 (xmulsi3_highpart_internal): New pattern.
169 (maddi patterns): Delete. Replace with:
170 (mul_acc_di, mul-acc_64bit_di): New patterns.
171
172 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
173
174 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
175 flag_new_exceptions runtime flag.
176 (struct old_exception_table): New struct which represents what
177 the exception table looks like without the new model.
178 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
179 flag that this is a new style table.
180 * except.h: Remove compile time flag NEW_EH_MODEL.
181 (expand_builtin_eh_stub_old): New prototype.
182 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
183 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
184 * c-decl.c (init_decl_processing): Add new builtin function
185 __builtin_eh_stub_old.
186 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
187 * flags.h (flag_new_exceptions): New runtime flag.
188 * toplev.c (flag_new_exceptions): Initialize default to 0,
189 -fnew-exceptions sets to 1.
190 * except.c (output_exception_table_entry): Output New style exception
191 identifier into table, and replace compile time flag NEW_EH_MODEL
192 with runtime flag flag_new_exceptions.
193 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
194 (expand_builtin_eh_stub_old): Duplicates original functionality of
195 expand_builtin_eh_stub.
196 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
197 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
198 (old_find_exception_handler): New func, same as find_exception_handler
199 except it works on the old style exception table.
200 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
201 of identifier in the exception table, and call appropriate routines.
202
203 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
204
205 * function.c: Define current_function_cannot_inline.
206 (push_function_context_to): Save it.
207 (pop_function_context_from): Restore it.
208 * function.h (struct function): Provide it a home.
209 * output.h: Declare it.
210 * integrate.c (function_cannot_inline_p): Check it.
211
212 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
213
214 * expr.c (force_operand): Detect PIC address loads before
215 splitting arithmetic.
216
217 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
218
219 * version.c: Bump for snapshot.
220
221 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
222
223 * tree.c (tree_class_check): Add braces to eliminate ambigious
224 else warning.
225 (tree_check): Likewise.
226
227 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
228
229 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
230 stack is the destination for conditional move insn.
231
232 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
233
234 * tree.h (TREE_VEC_END): Cast unused value to void.
235
236 * i386.c (print_operand): Use %lx for long operand.
237
238 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
239
240 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
241
242 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
243
244 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
245 conversion functions.
246
247 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
248
249 * toplev.c (flag_exceptions): Default to 0.
250 (compile_file): Remove flag_exceptions == 2 hack.
251 (main): Call lang_init_options.
252 * tree.h: Declare it.
253 * c-lang.c: Implement it.
254 * objc/objc-act.c: Likewise.
255
256 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
257
258 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
259 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
260 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
261 (output_function_profiler): Use asm_fprintf and fputs.
262
263 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264
265 * gencheck.c: Remove redundant stdio.h include. Add a definition
266 of xmalloc for when we are forced to link with alloca.o.
267
268 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
269 instead of `1U'.
270
271 * fold-const.c (constant_boolean_node): Make definition static to
272 match the prototype.
273
274 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
275
276 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
277 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
278 (do_spec, input_filename, input_filename_length): Make public.
279 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
280 Call lang_specific_pre_link befor elinking.
281
282 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
283
284 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
285 the insn which has the most insns dependent on it.
286
287 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
288
289 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
290
291 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
292
293 * alpha.md (insxh-1): New insxl pattern for combine.
294
295 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
296
297 * i386/i386.c (output_fp_conditional_move): New function
298 to output floating point conditional move.
299 (output_int_conditional_move): New function to output integer
300 conditional move.
301
302 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
303 output_int_conditional_move () to output int conditional move.
304 (movsfcc+5, movdfcc+5, movxfcc+5): Call
305 output_fp_conditional_move () to output floating point
306 conditional move.
307
308 * i386/i386.c (put_condition_code): In INT mode, check
309 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
310
311 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
312
313 * dbxout.c (dbxout_type): Output arrays of bits as if
314 they were bitstrings for Chill
315
316 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
317
318 * tree.c (get_inner_array_type): New function.
319 * tree.h (get_inner_array_type): Prototype.
320 * expr.h (STACK_SAVEAREA_MODE): New macro.
321 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
322 STACK_SAVEAREA_MODE.
323 (expand_builtin_longjmp): Likewise.
324 * explow.c (emit_stack_save): Likewise.
325 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
326
327 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
328 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
329 * rs6000/aix43.h: New file.
330 * rs6000/t-aix43: New file.
331 * rs6000/x-aix41: New file.
332 * rs6000/x-aix43: New file.
333 * configure.in (rs6000-ibm-aix*): Use them.
334 * rs6000/powerpc.h: Delete.
335 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
336 * rs6000/netware.h: and here.
337 * rs6000/win-nt.h: and here.
338
339 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
340 MASK_POWERPC64.
341 (rs6000_override_options): Ignore flag_pic for AIX.
342 (rs6000_immed_double_const): Delete.
343 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
344 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
345 (num_insns_constant): mask64_operand() is 2 insns.
346 (logical_operand): Don't assume 32-bit CONST_INT.
347 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
348 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
349 (mask_constant): HOST_WIDE_INT parameter.
350 (non_and_cint_operand): Delete.
351 (mask64_operand): New function.
352 (and64_operand): New function.
353 (function_arg_advance): DImode arguments do not need special
354 alignment when 64-bit.
355 (function_arg): Likewise.
356 (setup_incoming_varargs): Reverse reg_size assignment.
357 (print_operand): HOST_WIDE_INT second parameter.
358 (print_operand, 'B'): New case.
359 (print_operand, 'M'): Fix typo in lossage string.
360 (print_operandm 'S'): New case.
361 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
362 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
363 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
364 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
365 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
366 (rs6000_allocate_stack_space): Use {cal|la}.
367 (output_epilog): Use {cal|la}
368 (output_function_profiler): Add call glue to mcount call.
369 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
370
371 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
372 (STACK_BOUNDARY): Depend on TARGET_32BIT.
373 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
374 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
375 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
376 64-bit mask operand.
377 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
378 (STACK_SAVEAREA_MODE): New macro.
379 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
380 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
381 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
382 (ASM_FILE_START): Emit 64-bit ABI directive.
383 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
384 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
385 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
386 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
387
388 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
389 Restore define_splits.
390 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
391 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
392 Do not specify base register operand mode.
393 (floatsidf2_loadaddr): Do not specify base register operand mode.
394 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
395 register; do not specify mode. Remove !TARGET_POWERPC64 final
396 constraint.
397 (floatsidf2_load): Do not specify base register operand mode. Remove
398 !TARGET_POWERPC64 final constraint.
399 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
400 base register operand mode.
401 (adddi3): Split large constants early.
402 (absdi3): Shift by 63, not 31.
403 (*mulsidi3_ppc64): New pattern.
404 (rotldi3): Add masking combiner patterns.
405 (anddi3): Add rldic{r,l} masking. Remove split of large constants
406 because PPC insns zero-extend.
407 (iordi3, xordi3): Split large constants early.
408 (movsi matcher): Remove S and T constraints.
409 (movsf const_double): create SImode constant from TARGET_DOUBLE.
410 (movdf_hardfloat32): Add default abort() case.
411 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
412 (movdi): Remove 64-bit constant generator. Try to convert
413 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
414 (movdi_32): Add default abort() case.
415 (movdi_64): Add numerous ways to split 64-bit constants.
416 Make catch-all define_split more optimal and never FAIL.
417 (movti_ppc64): Add default abort() case.
418 (allocate_stack): Remove operand modes. Use Pmode.
419 (restore_stack_block): Remove operand modes. Generate Pmode
420 temporary.
421 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
422 temporary. Save area is double Pmode.
423 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
424 (call, call_value): Do not specify address operand mode. Choose
425 appropriate AIX ABI.
426 (*call_local64, *ret_call_local64): New patterns.
427 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
428 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
429 (compare): Materialize DImode truthvalues.
430
431 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
432
433 * expr.c (safe_from_p): Avoid combinatorial explosion
434 over duplicate SAVE_EXPRs by ensuring we never recurse
435 on one that has already been visited.
436
437 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
438
439 * loop.c (check_dbra_loop): Initialise final_value before
440 normalizing the loop.
441
442 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
443
444 * reload1.c (reload_reg_free_for_value_p): New arguments out and
445 reloadnum. Changed all callers.
446
447 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
448
449 * system.h: Add _() and N_() macros in preparation for gettext.
450
451 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
452
453 * c-common.c (check_format_info): Put back check for C9x `hh'
454 length modifier. Warn about %n format writing into const. Remove
455 obsolete comment.
456 (format_char_info): Fix comments.
457
458 * configure.in: Set float_format to m68k for all m68k targets that
459 do not override LONG_DOUBLE_TYPE_SIZE.
460 * config/float-m68k.h: New file.
461
462 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
463
464 * jump.c (jump_optimize): Remove debug messages accidentally left in
465 with the previous change.
466
467 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
468
469 * expr.c (store_expr): Revert stray patch associated with
470 1998-05-23 commit.
471
472 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
473
474 * jump.c (rtx_unsafe_p): New function.
475 (jump_optimize): Use it on if/then/else transformations and
476 conditional move transformations.
477
478 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
479
480 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
481 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
482 Cope with CONST being out of range for the bitfield.
483
484 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
485
486 * expr.c (emit_move_insn_1): When moving complex values in several
487 steps, emit a CLOBBER to show the destination dies.
488
489 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
490
491 * Makefile.in (site.exp): Use the object testsuite directory as
492 the temporary directory.
493
494 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
495 address of an ADDRESSOF rtx.
496
497 1998-06-02 Mike Stump <mrs@wrs.com>
498
499 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
500 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
501 * i960.md (ret, flush_register_windows): Define.
502 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
503 work yet.
504 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
505
506 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
507
508 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
509 around an OSF/1 library bug wrt sign-extension of inputs.
510
511 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
512
513 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
514
515 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
516
517 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
518
519 * varasm.c (assemble_variable): Augment alignment warning.
520
521 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
522
523 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
524 in the presence of IEEE negative 0's.
525
526 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
527
528 * reload.c (find_reloads): Record the existing mode if
529 operand_mode == VOIDmode before replacing a register with
530 a constant.
531 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
532 i386_compare_op1 to const0_rtx for the benefit of the
533 conditional move patterns.
534 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
535 based on suggestions from Jim Wilson.
536
537 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
538
539 * version.c: Bump for snapshot.
540
541 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
542
543 * Makefile.in (fixinc.sh): Update rules again.
544
545 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
546
547 * extend.texi: Bring back reference to trampoline paper.
548
549 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
550
551 * Makefile.in (USER_H): Add stdbool.h.
552 * ginclude/stdbool.h: New file.
553
554 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
555
556 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
557 of a non-note insn.
558
559 * gcse.c (pre_delete): Fix code to determine the mode of
560 the reaching pseudo register.
561
562 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
563
564 * Makefile.in (GEN): Add gencheck
565 (STAGESTUFF): Add tree-check.h and gencheck.
566
567 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
568
569 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
570 (fixinc.sh): Set some additional environment variables before
571 calling mkfixinc.sh.
572
573 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
574
575 * reload.c (find_reloads): Do not force a reloads of match_operators.
576
577 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
578
579 * except.h (remove_handler): Add new prototype.
580 * except.c (remove_handler): New function to remove handlers
581 from an exception region.
582 * flow.c (find_basic_blocks_1): Remove handlers from regions when
583 handler label is deleted; remove exception regions with no handlers.
584
585 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
586
587 * except.h (rtx): Define rtx type correctly if needed.
588 * function.h (rtx): Ditto.
589 (tree): Define tree type correctly if needed.
590
591 * c-pragma.c (toplevel): Include rtl.h.
592
593 * stor-layout.c (toplevel): Move include of rtl.h before
594 except.h.
595
596 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
597 (tree.o): Add except.h dependency.
598
599 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
600
601 * reload1.c: Revert accidental checkin.
602
603 * configure.lang: Fix thinko when adding a definition for
604 target_alias to the Makefile.
605
606 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
607
608 * config/sparc/lb1spc.asm (.rem and .urem): Replace
609 routines.
610
611 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
612
613 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
614 variable warnings. Don't generate scratch registers if only
615 counting insns.
616 (find_barrier): Eliminate unused variable SRC.
617
618 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
619
620 * toplev.h (rtx_def): Provide global declaration to avoid
621 `limited scope' warnings.
622
623 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
624
625 * Makefile.in (gencheck.o): Use HOST_CC.
626 * i386/t-mingw32: New file.
627 * configure.in (i386-*-mingw32*): Use.
628
629 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
630
631 * arm.c (bad_signed_byte_operand): New predicate function.
632 * arm.h (PREDICATE_CODES): Add it to the list.
633 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
634 can't handle.
635 (define_split): Two new splits for above insns.
636
637 * arm.c: Include toplev.h.
638 (arm_override_options): Add parentheses around use of tune_flags.
639 (arm_split_constant): Remove unused variable.
640 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
641 (output_func_prologue, arm_expand_prologue): Likewise.
642 (arm_canonicalize_comparison): Make I unsigned; rework constants
643 accordignly. Add missing paratheses around << operation.
644 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
645 clause.
646 ({load,store}_multiple_sequence): Initialize BASE_REG.
647 (select_dominance_cc_mode): Add DEFAULT clauses.
648 (broken_move): Return zero if the destination is not a register.
649 (arm_reorg): Move unused REGNO declaration into the dead code.
650 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
651
652 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
653
654 * version.c: Bump for snapshot.
655
656 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
657
658 * version.c: Bump for snapshot.
659
660 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
661
662 * cpperror.c (v_cpp_message): Remove static prototype.
663 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
664 * cpplib.h (v_cpp_message): Add protoptype.
665 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
666
667 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
668
669 * version.c: Bump for snapshot.
670
671 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
672
673 * version.c: Bump for snapshot.
674
675 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
676
677 * m68k.h: Declare more functions used in macros.
678 (REG_CLASS_CONTENTS): Completely embrace initializer.
679 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
680 about returning no value.
681 * cse.c (find_best_addr): Declare p and found_better only if
682 needed.
683 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
684 * dwarfout.c (string_length_attribute): #if 0 away.
685 * function.c (expand_function_end): Define varible blktramp only
686 if needed.
687 * jump.c (find_insert_position): Define only if !HAVE_cc0.
688 * loop.c (combine_givs_p): Define variable tem only if needed.
689 * real.c: Comment out unused functions eabs, eround,
690 e{24,53,64,113}toasc and eiinfin.
691
692
693 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
694
695 * Makefile.in (boostrap2-lean, bootstrap3-lean,
696 bootstrap4-lean): New targets.
697
698 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
699
700 * warn_summary, test_summary: Moved into the contrib directory.
701
702 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
703
704 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
705 of the Makefile.
706 (FLOAT_H_TEST): Likewise.
707 (ENQUIRE): Likewise.
708 (float.h-nat): Likewise.
709 (float.h-cross): Likewise.
710 (enquire): Likewise.
711 (enquire.o): Likewise.
712 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
713 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
714 no-op.
715 (FLOAT_H): Remove old float.h-nat version; move current definition
716 to CROSS_FLOAT_H location.
717 (all.cross): Remove comments about enquire stuff.
718
719 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
720 (rest.encap): Likewise.
721 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
722
723 * toplev.h (tree_node): Provide global declaration to avoid
724 `limited scope' warnings.
725
726 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
727
728 * test_summary: Display section breaks for each entry
729 in a multilibbed target's output.
730
731 1998-05-23 Richard Henderson <rth@cygnus.com>
732
733 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
734 offset's mode is not ptr_mode, convert it.
735
736 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
737
738 * fold-const.c (ssize_binop): New fn.
739 * tree.h: Declare it.
740
741 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
742
743 * genextract.c (print_path): Handle zero-length path as a special
744 case.
745
746 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
747
748 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
749
750 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
751
752 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
753 (shorten_branches, final_scan_insn): Test value of
754 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
755 is defined.
756 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
757 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
758 * arm/tcoff.h: Likewise.
759 * i386/386bsd.h: Likewise.
760 * i386/freebsd-elf.h: Likewise.
761 * i386/freebsd.h: Likewise.
762 * i386/netbsd.h: Likewise.
763 * i386/ptx4-i.h: Likewise.
764 * i386/sysv4.h: Likewise.
765 * pa/pa.h: Likewise.
766 * rs6000/linux.h: Likewise.
767 * rs6000/rs6000.h: Likewise.
768 * sh/sh.h: Likewise.
769 * sparc/sp64-elf.h: Likewise.
770 * v850/v850.h: Likewise.
771 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
772 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
773
774 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
775
776 * regmove.c (gen_add3_insn): New function.
777 (fixup_match_2): Use it instead of calling gen_addsi3.
778
779 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
780
781 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
782
783 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
784 address.
785
786 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
787
788 * Makefile.in (TREE_H): Add tree-check.h.
789 (tree-check.h, gencheck): New targets.
790 * gencheck.c: New file.
791 * tree.c (tree_check, tree_class_check): New functions.
792 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
793 (TYPE_CHECK, DECL_CHECK): Define.
794 Modify all access macros to use generated checking macros.
795
796 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
797
798 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
799 * configure.in: Check for it.
800 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
801 * final.c (uid_align, uid_shuid, label_align): Make static.
802 (label_align): Change type to struct label_alignment pointer.
803 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
804 (LABEL_TO_MAX_SKIP): Define.
805 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
806 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
807 (shorten_branches): Record the maximum bytes to skip when
808 aligning a label.
809 (final_scan_insn): Use the maximum bytes to skip when aligning a label
810 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
811 * i386.h (LOOP_ALIGN_MAX_SKIP,
812 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
813 * i386.c (override_options): i386_align_jumps and i386_align_loops
814 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
815 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
816
817 1998-05-21 Mark Mitchell <mmitchell@usa.net>
818
819 * cplus-dem.c (do_type): Handle volatile qualification.
820
821 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
822
823 * function.c (init_function_start): Don't call emit_line_note if
824 lineno is 0. (Can happen when compiling Java .class files.)
825
826 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
827
828 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
829 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
830
831 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
832
833 * combine.c (nonzero_bits): For paradoxical subregs, take
834 LOAD_EXTENDED_OP into account.
835
836 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
837
838 * configure.in (extra_c_objs): add prefix.o.
839 (extra_cxx_objs): extra objects for C++ with cpplib.
840 * configure: Regenerate.
841
842 * c-tree.h: (get_directive_line): Different prototype for cpplib.
843 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
844
845 * c-lex.h: (get_directive_line): Not needed here for cpplib.
846
847 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
848 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
849
850 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
851 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
852
853 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
854
855 * gengenrtl.c (type_from_format, accessor_from_format): Change
856 type of parameter `c' from `char' to `int'.
857
858 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
859
860 * warn_summary, test_summary: New scripts from
861 Kaveh Ghazi and Alexandre Oliva respectively.
862
863 * gcse.c (current_function_calls_longjmp): Declare.
864
865 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
866
867 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
868
869 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
870 Jeff Law (law@cygnus.com)
871
872 * Global CSE and constant/copy propagation.
873 * Makefile.in (OBJS): Add gcse.o
874 (STAGESTUFF): Add *.gcse.
875 (gcse.o): Add dependencies.
876 (mostlyclean): Remove *.gcse and */*.gcse.
877 * gcse.c: New file.
878 * loop.c (loop_optimize): Move call to init_alias_analysis.
879 * recog.c (validate_replace_src): New function.
880 * toplev.c (gcse_dump): New global variable.
881 (flag_gcse, gcse_time): Likewise.
882 (compile_file): Initialize gcse_time and clean out the gcse dump
883 file if necessary.
884 (rest_of_compilation): Call gcse_main as requested. Dump RTL
885 after gcse if requested.
886 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
887 dumps for -da.
888 * gcc.texi: Add gcse related internal documentation.
889 * invoke.texi: Note new command line options for gcse.
890 * tm.texi: Document AVOID_CCMODE_COPIES.
891 * mips.h (AVOID_CCMODE_COPIES): Define.
892
893 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
894
895 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
896 exists.
897 (stmp-fixproto): Simlarly for running fixproto.
898 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
899
900 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
901
902 * config/mips/mips.c (double_memory_operand): Accept any MEM during
903 reload when TARGET_64BIT.
904
905 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
906
907 Finish incomplete change started by Kenner.
908 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
909 (powerpcle-*-cygwin32): Delete xm_defines.
910 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
911 HAVE_STAB_H instead of NO_STAB_H.
912 * config/xm-linux.h (NO_STAB_H): Delete.
913 (HAVE_STAB_H): Undefine.
914 * config/i386/xm-go32.h (NO_STAB_H): Delete.
915
916 1998-05-19 Jim Wilson <wilson@cygnus.com>
917
918 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
919 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
920
921 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
922
923 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
924
925 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
926
927 * reload1.c (reload_reg_free_for_value_p): New function.
928 (allocate_reload_reg, choose_reload_regs): Use it.
929
930 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
931
932 * except.c (expand_start_catch): Correct logic for when to
933 generate a new handler label, and when to use the old one.
934
935 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936
937 * Makefile.in (print-rtl.o): Depend on bitmap.h.
938 (dbxout.o): Depend on toplev.h.
939 ($(SCHED_PREFIX)sched.o): Likewise.
940 ($(out_object_file)): Likewise for system.h and toplev.h.
941 (cppmain.o): Depend on gansidecl.h.
942 (cpplib.o): Likewise.
943 (cpperror.o): Likewise.
944 (cppexp.o): Likewise.
945 (cpphash.o): Likewise.
946 (cppalloc.o): Likewise.
947 (fix-header.o): Depend on cpplib.h and cpphash.h.
948 (scan-decls.o): Depend on gansidecl.h.
949
950 * basic-block.h (free_regset_vector): Add prototype.
951
952 * cccp.c (check_precompiled): Mark parameter `fname' with
953 ATTRIBUTE_UNUSED.
954 (do_assert): Likewise for `op' and `keyword'.
955 (do_unassert): Likewise.
956 (do_line): Likewise for `keyword'.
957 (do_error): Likewise for `op' and `keyword'.
958 (do_warning): Likewise.
959 (do_ident): Likewise for `keyword'.
960 (do_pragma): Likewise for `limit', `op' and `keyword'.
961 (do_sccs): Likewise.
962 (do_if): Likewise for `keyword'.
963 (do_elif): Likewise.
964 (do_else): Likewise.
965 (do_endif): Likewise.
966
967 * collect2.c (getenv): Remove redundant prototype.
968 (collect_exit, collect_execute, dump_file): Likewise.
969 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
970 (dump_prefix_list): Hide prototype and definition.
971
972 * sparc.c: Include toplev.h.
973 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
974 (symbolic_memory_operand): Likewise.
975 (sp64_medium_pic_operand): Likewise.
976 (data_segment_operand): Likewise.
977 (text_segment_operand): Likewise.
978 (splittable_symbolic_memory_operand): Likewise.
979 (splittable_immediate_memory_operand): Likewise.
980 (eq_or_neq): Likewise.
981 (normal_comp_operator): Likewise.
982 (noov_compare_op): Likewise.
983 (v9_regcmp_op): Likewise.
984 (v8plus_regcmp_op): Likewise.
985 (extend_op): Likewise.
986 (cc_arithop): Likewise.
987 (cc_arithopn): Likewise.
988 (small_int): Likewise.
989 (uns_small_int): Likewise.
990 (clobbered_register): Likewise.
991 (legitimize_pic_address): Likewise.
992 (delay_operand): Likewise.
993 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
994
995 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
996 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
997
998 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
999
1000 * cppalloc.c: Include gansidecl.h.
1001
1002 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
1003 (cpp_file_line_for_message): Mark parameter `pfile' with
1004 ATTRIBUTE_UNUSED.
1005 (v_cpp_message): New function.
1006 (cpp_message): Use it. Also convert to variable arguments.
1007 (cpp_fatal): Likewise.
1008 (cpp_pfatal_with_name): Constify parameter `name'.
1009
1010 * cppexp.c: Move gansidecl.h before cpplib.h.
1011 * cpphash.c: Likewise.
1012 * cpphash.h (hashf, delete_macro): Add prototypes.
1013
1014 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
1015 cpplib.h. Don't include errno.h.
1016 (update_path): Add arguments to prototype.
1017 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
1018 cpp_print_containing_files): Remove redundant prototypes.
1019 (cpp_hash_cleanup, add_import, append_include_chain,
1020 make_assertion, path_include, initialize_builtins,
1021 initialize_char_syntax, finclude, validate_else, comp_def_part,
1022 lookup_import, redundant_include_p, is_system_include,
1023 read_name_map, read_filename_string, open_include_file,
1024 check_macro_name, compare_defs, compare_token_lists,
1025 eval_if_expression, change_newlines): Add prototype arguments.
1026 (hashf): Remove redundant prototype.
1027 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
1028 conditional_skip, skip_if_group): Add prototype arguments.
1029 (fdopen): Remove redundant prototype.
1030 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
1031 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
1032 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
1033 (struct directive): Add prototype arguments to function pointer
1034 member `func'.
1035 (handle_directive): Add missing arguments to call to `do_line'.
1036 (do_include): Mark parameters `unused1' and `unused2' with
1037 ATTRIBUTE_UNUSED.
1038 (do_line): Likewise for `keyword' and new parameters `unused1' and
1039 `unused2'.
1040 (do_error): Likewise for `keyword'.
1041 (do_warning): Likewise. Also add missing argument `pfile' in call
1042 to cpp_pedwarn.
1043 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
1044 ATTRIBUTE_UNUSED.
1045 (do_ident): Likewise for `keyword', `buf' and `limit'.
1046 (do_pragma): Likewise. Also add missing arguments in call to do_once.
1047 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1048 ATTRIBUTE_UNUSED.
1049 (do_if): Likewise for `keyword'.
1050 (do_elif): Likewise.
1051 (eval_if_expression): Likewise for `buf' and `length'.
1052 (do_xifdef): Likewise for `unused1' and `unused2'.
1053 (do_else): Likewise for `keyword', `buf' and `limit'.
1054 (do_endif): Likewise.
1055 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1056 (cpp_handle_options): Remove superfluous NULL argument in call to
1057 cpp_fatal.
1058 (cpp_handle_options): Likewise.
1059 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1060 ATTRIBUTE_UNUSED.
1061 (do_unassert): Likewise.
1062 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1063 cpp_file_line_for_message.
1064 (v_cpp_error): New function.
1065 (cpp_error): Use it. Also accept variable arguments.
1066 (v_cpp_warning): New function.
1067 (cpp_warning): Use it. Also accept variable arguments.
1068 (cpp_pedwarn): Accept variable arguments.
1069 (v_cpp_error_with_line): New function
1070 (cpp_error_with_line): Use it. Accept variable arguments.
1071 (v_cpp_warning_with_line): New function.
1072 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1073 definition.
1074 (cpp_pedwarn_with_line): Accept variable arguments.
1075 (cpp_pedwarn_with_file_and_line): Likewise.
1076 (cpp_error_from_errno): Constify parameter `name'. Add missing
1077 argument `pfile' in call to cpp_file_line_for_message.
1078 (cpp_perror_with_name): Constify parameter `name'.
1079
1080 * cpplib.h: Define PARAMS() in terms of PROTO().
1081 (fatal): Remove redundant prototype.
1082 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
1083 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
1084 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
1085 cpp_fatal, cpp_message, cpp_pfatal_with_name,
1086 cpp_file_line_for_message, cpp_print_containing_files): Add
1087 arguments to prototypes.
1088 (scan_decls, cpp_finish): Add prototypes.
1089
1090 * cppmain.c: Include gansidecl.h.
1091 (main): Remove unused variable `i'.
1092
1093 * dbxout.c: Include toplev.h.
1094
1095 * demangle.h (do_tlink, collect_execute, collect_exit,
1096 collect_wait, dump_file, file_exists): Add prototype.
1097
1098 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
1099 prototype and definition.
1100 (gen_unspecified_parameters_die): Don't assign results of call to
1101 function new_die() to unused variable `parm_die'.
1102 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
1103 (dwarf2out_define): Likewise for `lineno' and `buffer'.
1104
1105 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
1106 prototype and definition.
1107 (output_die): Add prototype arguments to function pointer arg.
1108 (output_unspecified_parameters_die): Mark parameter `arg' with
1109 ATTRIBUTE_UNUSED.
1110
1111 * except.c (output_exception_table_entry): Remove unused variable
1112 `eh_entry'.
1113
1114 * except.h (expand_fixup_region_start, expand_fixup_region_end):
1115 Add prototypes.
1116
1117 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
1118
1119 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
1120
1121 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
1122 before cpplib.h, include cpphash.h, remove redundant prototype of
1123 cpp_fatal, don't define `const', add a prototype for `fatal'.
1124 (cpp_file_line_for_message): Add missing arguments `pfile'.
1125 (v_cpp_message): New function.
1126 (cpp_message): Use it.
1127 (v_fatal): New function.
1128 (fatal, cpp_fatal): Use it.
1129 (cpp_pfatal_with_name): Constify parameter `name'.
1130
1131 * flow.c (free_regset_vector): Remove redundant prototype.
1132
1133 * function.c (round_down): Wrap prototype and definition with
1134 macro ARGS_GROW_DOWNWARD.
1135 (record_insns): Wrap prototype and definition with
1136 defined (HAVE_prologue) || defined (HAVE_epilogue).
1137
1138 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
1139
1140 * gen-protos.c: Include gansidecl.h.
1141 (hashf): Don't make it static, constify parameter `name'.
1142
1143 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
1144 specifier %s in calls to function `fatal'.
1145
1146 * haifa-sched.c: Include toplev.h.
1147 (find_rgns): Remove unused variable `j'.
1148
1149 * integrate.c (note_modified_parmregs): Mark parameter `x' with
1150 ATTRIBUTE_UNUSED.
1151 (mark_stores): Likewise.
1152
1153 * jump.c (mark_modified_reg): Likewise.
1154
1155 * output.h (insn_current_reference_address): Add prototype.
1156 (eh_frame_section): Likewise.
1157
1158 * print-rtl.c: Include bitmap.h.
1159
1160 * reload1.c (reload): Wrap variables `note' and `next' in macro
1161 PRESERVE_DEATH_INFO_REGNO_P.
1162 (forget_old_reloads_1): Mark parameter `ignored' with
1163 ATTRIBUTE_UNUSED.
1164 (choose_reload_regs): Remove unused variable `in'.
1165 (reload_cse_invalidate_mem): Mark parameter `ignore' with
1166 ATTRIBUTE_UNUSED.
1167 (reload_cse_check_clobber): Likewise.
1168
1169 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
1170 (mark_elimination): Fix typo in prototype.
1171
1172 * scan-decls.c: Include gansidecl.h.
1173
1174 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
1175
1176 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
1177
1178 * function.c (identify_blocks): Fix thinko when setting the
1179 block number for NOTE_INSN_BLOCK_END.
1180
1181 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
1182
1183 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
1184 ___udivsi3.
1185
1186 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
1187 underscores for the prefixes to the names of the maths functions.
1188
1189 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
1190 comment explaining why.
1191
1192 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
1193
1194 * tree.h (TYPE_SIZE_UNIT): New.
1195 (struct tree_type): Add size_unit member.
1196 * stor-layout.c (layout_type): Initialize it.
1197 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
1198 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
1199
1200 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
1201
1202 * stor-layout.c (layout_record): Fix off-by-one error when checking
1203 length of the TYPE_BINFO vector.
1204
1205 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
1206
1207 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
1208 function parameter passed in memory.
1209
1210 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
1211
1212 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
1213 Prototypes for externally used functions in respective C files.
1214 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
1215 final.c: Include above files.
1216 * Makefile.in (toplev.o): Add dependency for above four headers.
1217 (final.o): Likewise.
1218 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
1219 respective header files.
1220
1221 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
1222
1223 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
1224 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
1225 the build tree if they exist.
1226 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
1227 appropriately.
1228 (objdir): Let configure substitute value.
1229 (FLOAT_H): Let configure select a pre-built version from the
1230 config subdir.
1231 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
1232 * configure.in: Substitute for objdir.
1233
1234 * Makefile.in (build_canonical, host_canonical): Let configure
1235 substitute values for these variables.
1236 * configure.in: Substitute for build_canonical, host_canonical
1237 and target_subdir in generated Makefile.
1238
1239 * output.h (find_basic_blocks): Declare.
1240 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
1241
1242 * Makefile.in (BISON): Use bison from the build tree if it exists.
1243 (FLEX): Similarly.
1244
1245 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
1246
1247 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
1248 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
1249 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
1250 command line arguments to see if an executable is not being
1251 created, and if so - do not append the suffix.
1252
1253 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
1254 driver macro.
1255
1256 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
1257
1258 * i386.h (ALIGN_DFmode): Delete.
1259 (CONSTANT_ALIGNMENT): Define.
1260 * varasm.c (force_const_mem): Use it.
1261
1262 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
1263
1264 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
1265 using it with swap_condition, not before.
1266
1267 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
1268
1269 * alias.c (mode_alias_check): Delete.
1270 (true_dependence, anti_dependence, output_dependence): Revert April 21
1271 change.
1272
1273 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
1274
1275 * toplev.c (output_lang_identify): Enable prototype and definition.
1276
1277 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
1278
1279 * version.c: Bump for snapshot.
1280
1281 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
1282
1283 * alpha/osf.h (HAVE_STAMP_H): Define.
1284 * alpha.c: Use it.
1285 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
1286 * configure.in (alpha*-*-netbsd*): New.
1287 Based on patches from Paul H. Anderson <pha@pdq.com>.
1288
1289 * configure.in (alpha*-*-linux-*): Kill xm_defines.
1290 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
1291 * alpha/xm-linux.h: Remove file.
1292
1293 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
1294
1295 * dbxout.c (dbxout_parms): If mode of type of parameter living
1296 in memory doesn't match mode of DECL_RTL, make big endian correction.
1297
1298 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
1299
1300 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
1301
1302 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
1303
1304 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
1305 * stor-layout.c (layout_record): Set it.
1306
1307 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
1308
1309 * toplev.c (rest_of_compilation): Don't defer nested functions.
1310
1311 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
1312
1313 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
1314 to an 8-byte boundary if info_ptr->fpmem_p.
1315
1316 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
1317
1318 * loop.c (basic_induction_var): Added test preventing
1319 CCmode parameter passed to convert_modes().
1320
1321 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1322
1323 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
1324 input_filename and lineno around expand_expr call. Set them to values
1325 in WFL before expand_expr call.
1326
1327 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1328
1329 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
1330
1331 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
1332
1333 * fold-const.c (constant_boolean_node): New function.
1334 (fold): Use it.
1335
1336 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1337
1338 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
1339 Abort if trying to split kind 3 or 4 outside of combine.
1340
1341 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
1342
1343 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
1344
1345 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
1346
1347 * objc/Make-lang.in (OBJC_O): Add missing exeext.
1348 (libobjc.a, runtime-info.h): Likewise.
1349
1350 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
1351
1352 * i386.h (DATA_ALIGNMENT): Define.
1353
1354 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1355
1356 * reload1.c (delete_output_reload): Ignore single USE that
1357 was emitted for the pseudo use of this INSN.
1358 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
1359 remains, we can always delete OUTPUT_RELOAD_INSN.
1360
1361 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
1362
1363 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
1364
1365 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
1366
1367 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
1368
1369 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1370
1371 * eh-common.h: New file for basic EH data structures.
1372 * except.h: Various prototypes and structures for NEW_EH_MODEL
1373 * function.h (struct function): Add a struct eh_stack for the catch
1374 clause stack.
1375 * except.c (gen_exception_label): New function to generate an
1376 exception label.
1377 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
1378 (push_entry): New function to push an existing entry onto a stack.
1379 (receive_exception_label): New function to emit the code required
1380 at the start of all catch blocks.
1381 (struct func_eh_entry): New structure for maintaining handlers
1382 associated with EH regions.
1383 (new_eh_region_entry): New function to register an EH region.
1384 (add_new_handler): New function to register a handler with a region.
1385 (get_new_handler): Creates anew handler entry for registering.
1386 (find_func_region): New function to convert a NOTE eh region number
1387 to an Eh region index.
1388 (get_first_handler): New function to get the first handler in a region.
1389 (clear_function_eh_region): New function to release memory.
1390 (duplicate_handlers): New function to duplicate a list of handlers.
1391 (expand_eh_region_end): Create a new region entry node as well.
1392 (expand_leftover_cleanups): Call receive_exception_label() and
1393 register the cleanup as a handler to the current region.
1394 (expand_start_catch): New function to start a catch clause.
1395 (expand_end_catch): New function to end a catch clause.
1396 (expand_start_all_catch): restructure to not do the equivilent of
1397 what expand_start_catch() does now. Push the exception region being
1398 handled onto the catch stack.
1399 (output_exception_table_entry): Issue an entry for each handler
1400 associated with a region.
1401 (set_exception_lang_code): New function for setting the language code.
1402 (set_exception_version_code): New function to set the version number.
1403 (output_exception_table): Output version and language codes.
1404 (find_exception_handler_labels): Find handler labels using new scheme.
1405 (is_exception_handler_label): New function, returns 1 if label is
1406 present as a handler in some exception region.
1407 (check_exception_handler_labels): Use the new scheme.
1408 (init_eh_for_function): Initialize the catch stack.
1409 (save_eh_status): Save the catch stack.
1410 (restore_eh_status): Restore the catch stack.
1411 (scan_region): Don't remove unreferenced handler label. Flow does it.
1412 (get_reg_for_handler): New function to get the eh_context pointer
1413 passed by __throw.
1414 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
1415 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
1416 entry when processing END region rather that START region.
1417 * flow.c (find_basic_blocks_1): Find all potential handler regions
1418 now that we don't automatically know what the labels might be.
1419 Let scan_region() remove unreferenced EH BEGIN/END labels.
1420 * integrate.c (get_label_from_map): Put inlined labels onto the
1421 permanent obstack since we dont know which ones might be exception
1422 labels.
1423 (save_for_inline_copying): Make new copies of all the handlers.
1424 (expand_inline_function): Make new copies of all the handlers.
1425 * libgcc2.c: Remove local struct decls, and include eh-common.h.
1426 (find_exception_handler): With NEW_EH_MODEL the first matching
1427 region we find is the right one. Add eh_info as a new parameter.
1428 (__throw): Pass eh_info to find_exception_handler. Set handler
1429 and pass use different regs under NEW_EH_MODEL.
1430
1431 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
1432
1433 * i960.h (hard_regno_mode_ok): Changed to function from array of
1434 unsigned.
1435 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
1436 * i960.c (hard_regno_mode_ok): Changed to function from array of
1437 unsigned.
1438
1439 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1440
1441 * reload.c (remove_replacements): New function.
1442 * reload.h (remove_replacements): Declare.
1443 * reload1.c (choose_reload_regs): Disable some reloads that
1444 belong to inherited reloads.
1445
1446 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1447
1448 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
1449
1450 * reload1.c (merge_assigned_reloads): When merging, reset
1451 reload_spill_index for the eliminated reload.
1452
1453 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
1454
1455 * haifa-sched.c (schedule_insns): Fix merge goof.
1456
1457 1998-05-13 Jim Wilson <wilson@cygnus.com>
1458
1459 * varasm.c (make_decl_rtl): Revert April 1 change.
1460 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
1461 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
1462 Get function name from the SYMBOL_REF in the DECL_RTL, not from
1463 DECL_ASSEMBLER_NAME.
1464 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
1465 DECL_ASSEMBLER_NAME.
1466
1467 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
1468
1469 * i386.c (notice_update_cc, output_float_compare): Disable
1470 TARGET_CMOVE support.
1471
1472 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
1473 Jeff Law <law@cygnus.com>
1474
1475 * rtlanal.c (find_reg_note): Ignore notes that are not on on
1476 insns of class 'i'.
1477 (find_regno_note): Likewise.
1478
1479 * Makefile.in (stor-layout.o): Depend on except.h
1480 (varasm.o, function.o): Likewise.
1481 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
1482
1483 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
1484 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
1485 ($(HOST_PREFIX_1)rtl.o): Likewise.
1486 ($(HOST_PREFIX_1)bitmap.o): New host object.
1487 * emit-rtl.c (toplevel): Include bitmap.h.
1488 (gen_rtx): Handle 't' and 'b' nodes.
1489 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
1490 Print block number for block begin/end notes. Print 't' type
1491 nodes as a pointer. Know that the 3rd argument of live range
1492 start/stop notes is really a range_info rtx. If type is 'b', print
1493 out argument as a bitmap.
1494 * rtl.c: Include bitmap.c.
1495 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
1496 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
1497 * rtl.def (RANGE_LIVE): New node to hold live information while we
1498 recalculate the basic blocks.
1499 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
1500 (RANGE_VAR): New node, to hold information saved in symbol node for New
1501 communicating live range information to the debug output functions.
1502 * rtl.h (rtunion_def): Add rttree and rtbit fields.
1503 (XBITMAP, XTREE): New accessor macros.
1504 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
1505 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
1506 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
1507 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
1508 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
1509 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
1510 (RANGE_INFO_*): Likewise.
1511 * sched.c (sched_analyze): Keep live range start/stop notes.
1512 (unlink_other_notes): Likewise.
1513 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
1514 (unlink_other_notes): Likewise.
1515 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
1516 (BLOCK_LIVE_RANGE_FLAG): Likewise.
1517 (DECL_LIVE_RANGE_RTL): Likewise.
1518 (struct tree_block): Add live_range_flag, live_range_var_flag,
1519 live_range_start and live_range_end.
1520 (struct tree_decl): Add live_range_rtl field.
1521 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
1522 (accessor_from_format): Likewise.
1523
1524 * haifa-sched.c (schedule_block): Make verbose output line up.
1525 Also add a blank line in printing the individual ready lists.
1526
1527 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1528
1529 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
1530 (c-lex.o): Depend on output.h.
1531 (c-common.o): Likewise.
1532 (stmt.o): Likewise.
1533 (calls.o): Likewise.
1534 (integrate.o): Depend on toplev.h.
1535 (regclass.o): Depend on output.h.
1536 (final.o): Depend on reload.h.
1537
1538 * c-common.c: Include output.h.
1539 (check_format_info): Remove unused variable `integral_format'.
1540
1541 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
1542 `indent' with ATTRIBUTE_UNUSED.
1543 (print_lang_type): Likewise.
1544 (maybe_build_cleanup): Likewise for parameter `decl'.
1545 (copy_lang_decl): Likewise for parameter `node'.
1546
1547 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
1548 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1549 with ATTRIBUTE_UNUSED.
1550 (lookup_interface): Likewise for parameter `arg'.
1551 (is_class_name): Likewise.
1552 (maybe_objc_check_decl): Likewise for parameter `decl'.
1553 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
1554 `reflexive'.
1555 (maybe_objc_method_name): Likewise for parameter `decl'.
1556 (build_objc_string): Likewise for parameters `len' and `str'.
1557
1558 * c-lex.c: Include output.h.
1559
1560 * c-lex.h (position_after_white_space): Correct typo in prototype.
1561
1562 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
1563 c_expand_end_cond, init_iterators): Add prototypes.
1564
1565 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
1566 with ATTRIBUTE_UNUSED.
1567
1568 * calls.c: Include output.h.
1569
1570 * cccp.c (pipe_closed): Mark parameter `signo' with
1571 ATTRIBUTE_UNUSED.
1572
1573 * combine.c: Move inclusion of expr.h to after insn-config.h.
1574
1575 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
1576 as empty, rather define as ((void)0).
1577
1578 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
1579 Add parentheses around assignment used as truth value.
1580
1581 * cplus-dem.c (squangle_mop_up): Change return type to void.
1582 (internal_cplus_demangle): Remove unused parameter `options'.
1583 All callers changed.
1584 (cplus_demangle_opname): Remove function wide variable `int i' and
1585 replace with `size_t i' at each location where it is used.
1586 (cplus_demangle_opname): change type of `i' from int to size_t.
1587
1588 * cppexp.c (right_shift): Mark parameter `pfile' with
1589 ATTRIBUTE_UNUSED.
1590
1591 * cpphash.c (cpp_lookup): Likewise.
1592 (cpp_hash_cleanup): Likewise.
1593
1594 * cpplib.c (parse_name): Add a prototype and make it static.
1595 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1596 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
1597 (macro_cleanup): Likewise for parameter `pfile'.
1598 (file_cleanup): Likewise.
1599
1600 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
1601 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
1602
1603 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
1604 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
1605
1606 * cse.c (cse_check_loop_start): Mark parameter `set' with
1607 ATTRIBUTE_UNUSED.
1608
1609 * dbxout.c (flag_minimal_debug, have_used_extensions,
1610 source_label_number): Move inside macro wrapper check against
1611 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
1612
1613 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
1614
1615 * except.h (doing_eh): Provide prototype.
1616
1617 * expr.c: Move inclusion of expr.h to after insn-config.h.
1618
1619 * final.c: Include reload.h.
1620 (shorten_branches): Cast the first argument of bzero to char *.
1621
1622 * fix-header.c (cpp_print_containing_files): Mark parameter
1623 `pfile' with ATTRIBUTE_UNUSED.
1624 (cpp_fatal): Likewise.
1625
1626 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
1627 to char *.
1628
1629 * genattrtab.c (make_length_attrs): Change the type of variable
1630 `i' from int to size_t.
1631 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
1632 (one_fn): Likewise.
1633
1634 * genextract.c (main): When generating insn-extract.c, mark
1635 variable `junk' with ATTRIBUTE_UNUSED.
1636
1637 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
1638 argument of bzero to char*.
1639
1640 * integrate.c: Include toplev.h.
1641
1642 * libgcc2.c: Wrap `struct exception_table' and
1643 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
1644
1645 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
1646
1647 * objc/objc-act.c: Include toplev.h.
1648 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1649 with ATTRIBUTE_UNUSED.
1650 (finish_protocol): Likewise for parameter `protocol'.
1651
1652 * output.h (declare_weak): Add prototype.
1653 (decode_reg_name): Don't wrap with TREE_CODE macro.
1654 (assemble_alias): Add prototype.
1655
1656 * regclass.c: Include output.h.
1657
1658 * reload.h (reloads_conflict): Add prototype.
1659
1660 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
1661 output_func_start_profiler): Add prototypes.
1662
1663 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
1664 ATTRIBUTE_UNUSED.
1665
1666 * scan-decls.c: Include scan.h.
1667
1668 * scan.h (recognized_function, recognized_extern): Add prototypes.
1669
1670 * stmt.c: Include output.h.
1671
1672 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
1673 (output_lang_identify): Hide prototype and definition.
1674 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
1675 (pipe_closed): Likewise.
1676
1677 * toplev.h (count_error, strip_off_ending, error_for_asm,
1678 warning_for_asm): Add prototypes.
1679
1680 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
1681
1682 * toplev.c (rest_of_compilation): "Charge" final for any time
1683 doing various cleanup operations after finishing compilation
1684 of a function.
1685
1686 * flow.c (dump_flow_info): Also print number of sets and
1687 whether or not the pseudo is a user variable.
1688
1689 * flow.c (reg_n_max): New global variable.
1690 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
1691 Delete regno_max variable.
1692 * regs.h (REG_N_CHECK): Define.
1693 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
1694 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
1695 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
1696
1697 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
1698
1699 * acconfig.h (ENABLE_CHECKING): Undefine.
1700 * configure.in (--enable-checking): New option.
1701
1702 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1703
1704 * reload1.c (merge_assigned_reloads): Can merge
1705 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
1706 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
1707
1708 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
1709
1710 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
1711
1712 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1713
1714 * reload1.c (gen_reload): Create REG_EQUIV notes.
1715
1716 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1717
1718 * reload1.c (reload): Fix check for USEs to use code of pattern.
1719 (choose_reload_regs): Remove dead variable use_insn.
1720
1721 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
1722
1723 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
1724
1725 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
1726
1727 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
1728 already defined.
1729 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
1730 (insn_{unit,issue_delay}): Ditto.
1731 (blockage_range): Ditto.
1732 (actual_hazard{,_this_instance}): Ditto.
1733 (schedule_unit): Ditto.
1734 (potential_hazard): Ditto.
1735 (insn_cost): Ditto.
1736 (swap_sort): Ditto.
1737 (queue_insn): Ditto.
1738 (birthing_insn_p): Ditto.
1739 (adjust_priority): Ditto.
1740 (get_block_head_tail): Ditto.
1741 (init_rgn_data_dependences): Ditto.
1742
1743 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
1744
1745 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
1746
1747 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
1748
1749 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
1750
1751 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
1752
1753 * config/mips/mips.md (dslot): Move after definition of "cpu"
1754 attribute. Handle r3900 case.
1755
1756 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1757
1758 * system.h: Define the STRINGIFY macro here.
1759 * protoize.c: Not here.
1760 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
1761
1762 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
1763
1764 * varasm.c (assemble_variable): Compute the alignment of the data
1765 earlier so that both initialized and uninitialized variables are
1766 effected by DATA_ALIGNMENT.
1767 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
1768
1769 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
1770
1771 * mips.c: Prototype static functions.
1772
1773 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
1774
1775 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
1776 Add explanatory comments.
1777
1778 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
1779
1780 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
1781
1782 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
1783
1784 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
1785
1786 * varasm.c (make_decl_rtl): Disable April 1 change.
1787
1788 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
1789
1790 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
1791
1792 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
1793
1794 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
1795 * alpha.c (print_operand): Handle it.
1796 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
1797 related define_splits. Also add peepholes for SImode reload
1798 plus sign_extend lossage.
1799
1800 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1801
1802 * genattr.c: Include stdarg.h/varargs.h. Change function
1803 `fatal' to use variable arguments instead of faking it with
1804 integer parameters. Provide a prototype which also
1805 checks the format specifiers using ATTRIBUTE_PRINTF_1.
1806
1807 * genattrtab.c: Likewise.
1808 * gencodes.c: Likewise.
1809 * genconfig.c: Likewise.
1810 * genemit.c: Likewise.
1811 * genextract.c: Likewise.
1812 * genflags.c: Likewise.
1813 * genopinit.c: Likewise.
1814 * genpeep.c: Likewise.
1815 * genrecog.c: Likewise.
1816 * genoutput.c: Likewise. Similarly for function `error'.
1817
1818 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1819
1820 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
1821 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
1822 * configure.in: Use GCC_C_VOLATILE.
1823 * system.h (volatile): Define as empty if no volatile support is
1824 available.
1825
1826 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
1827
1828 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
1829 generated fucntion.
1830
1831 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
1832
1833 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
1834 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
1835 the body of beq; additionally set the mode of the branch to CCmode for
1836 FP compares and not fast_math.
1837 (alpha_emit_conditional_move): Always use a compare insn for FP
1838 when not fast_math, as well as setting CCmode on the cmov.
1839 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
1840
1841 * machmode.h (COMPLEX_MODE_P): New macro.
1842
1843 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
1844
1845 * haifa-sched.c (print_exp): Fix typo.
1846
1847 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
1848
1849 * version.c: Bump for snapshot.
1850
1851 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
1852
1853 * final.c (final_scan_insn): Call fatal_insn instead of abort if
1854 we could not split an insn when required to.
1855
1856 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
1857 level insns.
1858 (peepholes): Disable peepholes that call dead_or_set_p.
1859 (movsi): Rewrite to handle addresses better after last change.
1860 Add define_split to split load of addresses in large/medium modes.
1861 (prologue): Call m32r_expand_prologue.
1862 (movsi_{push,pop}): Generators for push/pop.
1863 (movsi): Support PRE_{INC,DEC}, POST_INC.
1864 (mov{di,df}): Rewrite. Always split the insns.
1865 (movsf): Add define_split to get register load in correct mode.
1866 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
1867 (attributes): Rewrite attributes so that type indicates both the
1868 type and the length of the insn directly.
1869 (all insns): Change to use new type attributes.
1870 (debug): New attribute to convey whether -mdebug was used.
1871 (opt_space): New attribute to convey whether -Os was used.
1872 (function units): Loads are 3 cycles, not 2. Better classify all
1873 insns into short/long.
1874 (load/store/extend insns): Add separate case for load/store
1875 indirect operations without an offset.
1876 (divsi3): Division is a long operation, not short.
1877
1878 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
1879 modes > 1 word.
1880 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
1881 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
1882 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
1883 operands with PRE_{INC,DEC}, POST_INC.
1884 (FUNCTION_PROFILER): Call abort instead of doing nothing.
1885 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
1886 SImode variables.
1887 (gen_split_move_double): Declare.
1888 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
1889
1890 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
1891 emit_move_insn, build up SET's directly.
1892 (toplevel): Include system.h, not stdio.h.
1893 (move_double_src_operand): Allow any DF or DI mode constant.
1894 (gen_split_move_double): Split moves of DI or DF values into the
1895 appropriate moves, loads, or stores. Don't handle use of auto
1896 inc/dec if using dead index. Do handle overlapping moves, etc.
1897 (m32r_frame_info): Remove prologue_size field.
1898 (m32r_compute_frame_size): Don't calculate prologue size.
1899 (m32r_output_function_prologue): Change to pretty much a NOP.
1900 (m32r_expand_prologue): Expand prologue as a series of INSNs.
1901 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
1902 (m32r_print_operand_address): Ditto.
1903
1904 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
1905
1906 * reload1.c (emit_reload_insns): When performing expensive
1907 optimizations, do not output the last reload insn if OLD is
1908 not the dest of NSN and is in the src and is clobbered by INSN.
1909
1910 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1911
1912 * Makefile.in (genrtl.o): Depend on system.h.
1913 * gengenrtl.c (gencode): When creating genrtl.c, have it
1914 include system.h.
1915
1916 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1917
1918 * config/m68k/t-linux: Remove extra stuff already included in
1919 config/t-linux.
1920
1921 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
1922
1923 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
1924 curses.h if it contains `typedef char bool;', as suggested by
1925 Manfred Hollstein <manfred@s-direktnet.de>.
1926
1927 * configure.in: Rename fixinc.math to fixinc.wrap.
1928
1929 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
1930
1931 * gcc.c (read_specs): Handle missing blank line at end of specs file.
1932
1933 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
1934 movdfcc_1): Disable.
1935
1936 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
1937
1938 * configure.in (enable_threads): Rename to enable_threads_flag before
1939 main loop. Set enable_threads to enable_threads_flag inside main
1940 loop.
1941
1942 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
1943
1944 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
1945 multiple times.
1946
1947 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1948
1949 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
1950
1951 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
1952 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
1953 (AC_CHECK_FUNCS): Remove unused check for vprintf.
1954
1955 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
1956 (cccp.o): Depend on gansidecl.h.
1957 (cexp.o): Likewise.
1958
1959 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
1960 per the rest of gcc source.
1961 * cexp.y: Likewise. Include gansidecl.h and remove all code made
1962 redundant.
1963
1964 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
1965 used when vfprintf is missing.
1966 * cexp.y: Likewise.
1967 * gcc.c: Likewise.
1968 * genattrtab.c: Likewise.
1969 * mips-tfile.c: Likewise.
1970 * toplev.c: Likewise.
1971
1972 * vfprintf.c: New file.
1973 * doprint.c: New file.
1974
1975 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
1976
1977 * config/linux.h (ASM_COMMENT_START): Remove from here,
1978 * config/linux-aout.h (ASM_COMMENT_START): and here,
1979 * config/i386/linux.h (ASM_COMMENT_START): to here,
1980 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
1981 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
1982 here as '#' too.
1983
1984 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1985
1986 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
1987 constant.
1988
1989 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
1990
1991 * Makefile.in (dwarfout.o) Add toplev.h dependency.
1992 * dwarfout.c, i386.c: Include toplev.h
1993 * toplev.h: (pfatal_with_name) Add prototype.
1994
1995 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1996
1997 * Makefile.in: Fix .SUFFIXES.
1998
1999 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
2000
2001 * config/linux.h (ASM_COMMENT_START): Define as "#".
2002 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
2003
2004 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
2005
2006 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
2007 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2008
2009 * toplev.c: Include toplev.h.
2010 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
2011 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
2012 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
2013 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
2014 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
2015 toplev.h dependency.
2016
2017 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
2018 HARD_FRAME_POINTER_REGNUM.
2019
2020 * expr.c (target_temp_slot_level): Delete duplicate definition.
2021
2022 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
2023
2024 * stmt.c (mark_seen_cases): Make it have external linkage again.
2025 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
2026 has been included.
2027
2028 * haifa-sched.c (print_value, case SUBREG): Fix typo.
2029
2030 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
2031 * i386.h (REG_CLASS_CONTENTS): Similarly.
2032
2033 * toplev.c (-fsched-max): Delete flag.
2034 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
2035 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
2036 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
2037 conditionals.
2038
2039 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
2040 inner loops which are not reducible.
2041
2042 * loop.c (regs_match_p): Fix typo in prototype.
2043
2044 * regmove.c (try_auto_increment): Wrap declaration inside an
2045 #ifdef AUTO_INC_DEC.
2046
2047 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2048
2049 * final.c (output_operand_lossage): Call fatal with the operand
2050 lossage message instead of calling abort.
2051
2052 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2053
2054 * c-common.c: Convert to using ctype macros defined in system.h.
2055 * c-lex.c: Likewise.
2056 * cccp.c: Likewise.
2057 * collect2.c: Likewise.
2058 * rs6000.c: Likewise.
2059 * cpplib.c: Likewise.
2060 * fix-header.c: Likewise.
2061 * gcc.c: Likewise.
2062 * gen-protos.c: Likewise.
2063 * pexecute.c: Likewise.
2064 * protoize.c: Likewise.
2065 * rtl.c: Likewise.
2066 * scan.c: Likewise.
2067 * stmt.c: Likewise.
2068 * tlink.c: Likewise.
2069 * toplev.c: Likewise.
2070
2071 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2072
2073 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2074 Replace -gdwarf-2 with -g0.
2075
2076 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077
2078 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2079 * mips-tdump.c: Include system.h, remove redundant headers.
2080 * mips-tfile.c: Likewise. Also, convert all ctype function calls
2081 to calls of the macro versions defined in system.h.
2082
2083 * objc/Make-lang.in (objc-act.o): Depend on system.h.
2084 * objc/objc-act.c: Include system.h, remove redundant headers.
2085
2086 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2087
2088 * configure.in (AC_CHECK_FUNCS): Add isascii.
2089 (GCC_NEED_DECLARATIONS): Add atof.
2090
2091 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
2092 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
2093
2094 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2095
2096 * system.h: Wrap time.h and sys/file.h in autoconf checks.
2097 Provide default definitions for O_RDONLY and O_WRONLY here.
2098
2099 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
2100
2101 1998-05-06 Mark Mitchell <mmitchell@usa.net>
2102
2103 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
2104
2105 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
2106
2107 * toplev.h: New file. Protypes for functions in toplev.c.
2108 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
2109 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
2110 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
2111 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
2112 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
2113 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
2114 varasm.c: include it.
2115
2116 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
2117 Jim Wilson (wilson@cygnus.com)
2118
2119 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
2120 blocks. Check for 1 successor which is the EXIT_BLOCK.
2121
2122 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
2123 unreachable loops with more than one block.
2124
2125 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2126
2127 * fix-header.c (write_rbrac): Add "abort" to functions which need to
2128 be protected.
2129
2130 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
2131
2132 * Check in merge from gcc2. See ChangeLog.12 for details.
2133
2134 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
2135
2136 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
2137 accept 'a' flag. 'S' does accept 'a' flag.
2138 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
2139 and `a' flag.
2140
2141 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
2142
2143 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2144
2145 * config/m68k/m68k.h: Declare functions from m68k.c used in
2146 macros and machine description.
2147 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
2148 long values.
2149 (ASM_OUTPUT_FLOAT): Likewise.
2150 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
2151
2152 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2153
2154 * tree.def: Add NAMESPACE_DECL.
2155 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
2156 * dwarf2out.c (push_decl_scope): Likewise.
2157 (scope_die_for): Likewise.
2158 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
2159 how to get next context level.
2160
2161 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
2162
2163 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
2164 case.
2165
2166 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
2167
2168 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
2169
2170 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
2171 for any insns skipped at the start of a block because they were
2172 redundant.
2173
2174 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
2175
2176 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
2177
2178 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
2179
2180 * c-common.c (format_char_info): Add new field hhlen.
2181 (print_char_table, scan_char_table, time_char_table): Initialize
2182 hhlen field appropriately.
2183 (char_format_info): Recognize hh modifier and lookup correct char
2184 table entry.
2185
2186 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
2187
2188 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
2189 reference if this is a store.
2190
2191 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
2192
2193 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
2194
2195 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
2196
2197 Make UnixWare 7 bootstrap support work with final shipping product.
2198 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
2199 Pick up xm-siglist and xm-alloca.
2200 (xm_defines): Add USG so dbxout will build.
2201 * configure: Regenerate.
2202
2203 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
2204
2205 Support for official Sparc V9 ABI:
2206 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
2207 Care for flag_pcc_struct_return default.
2208 (output_move_quad): Rewrite to move by halves on v9 and in the
2209 proper direction.
2210 (move_quad_direction): New function.
2211 (output_fp_move_quad): Use it to determine the direction of copy.
2212 (function_arg_slotno): Return -1 for FP reg overflow as well.
2213 (function_arg_record_value*): New functions.
2214 (function_arg): Use them. Streamline unprototyped parameter passing.
2215 (function_arg_pass_by_reference): Pass TCmode by reference.
2216 (function_value): New function.
2217 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
2218 long long in 64-bit mode.
2219 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
2220 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
2221 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
2222 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
2223 (BASE_INCOMING_ARG_REG): Likewise.
2224 (FUNCTION_VALUE): Call function_value.
2225 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
2226 * sparc.md (movdi_sp32_v9): Disable for arch64.
2227 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
2228 (call_value_address_sp64): Remove register class constraints.
2229 (call_value_symbolic_sp64): Likewise.
2230 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
2231 v9 case to 32-bit constants.
2232 (goto_handler_and_restore_v9): Provide a version for arch64.
2233 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
2234 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
2235 (CPP_PREDEFINES): New.
2236 * sparc/sp64-elf.h: Likewise.
2237 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
2238 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
2239 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
2240
2241 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
2242
2243 * version.c: Bump for snapshot.
2244
2245 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2246
2247 * reload.c (find_reloads): Emit USEs to mark where a pseudo
2248 is reloaded with the MEM of its stack slot.
2249 * reload1.c (cannot_omit_stores): Delete.
2250 (reload): Don't initialize it.
2251 Don't apply avoid_return_reg logic to USEs.
2252 When done, remove USEs that have a REG_EQUAL note on them.
2253 (emit_reload_insns): Handle case where we have inherited a MEM.
2254 (choose_reload_regs): Likewise.
2255 (delete_output_reload): Don't use cannot_omit_stores.
2256
2257 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
2258
2259 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
2260
2261 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
2262
2263 * haifa-sched.c (print_{exp,value}): Various changes to make the
2264 debug output easier to read. Also, use only one buffer, and make
2265 sure the buffer we are passed in doesn't overflow.
2266 (safe_concat): Concatenate to a buffer without overflow.
2267
2268 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2269
2270 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
2271 with the prototype.
2272
2273 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2274
2275 * sched.c (new_insn_dead_notes): Check if the register was
2276 used in the original instruction.
2277 * haifa-sched.c (new_insn_dead_notes): Likewise.
2278
2279 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
2280
2281 * dwarf2out.c (scope_die_for): If could not find proper scope,
2282 check for and handle tagged type with incorrect TYPE_CONTEXT.
2283
2284 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
2285
2286 * calls.c (expand_call): Fix recognition of C++ operator new.
2287
2288 * alias.c (mode_alias_check): Disable type based alias detection.
2289
2290 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
2291
2292 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
2293 ASM_OUTPUT_WEAK_ALIAS): Define.
2294 * config/mips/elf64.h: Same.
2295 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2296 ASM_WEAKEN_LABEL): Removed.
2297
2298 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2299
2300 * calls.c (expand_call): Bump the length limit on the specially
2301 recognized function names to 17.
2302
2303 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
2304
2305 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
2306 when undefining macros at the end.
2307
2308 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
2309 val or len has TREE_SIDE_EFFECTS set.
2310
2311 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
2312 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
2313 (smuldi3_highpart): Call const v8plus routine.
2314 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
2315 (const_smulsi3_highpart_v8plus): New pattern.
2316 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
2317 (umulsidi3): Call const v8plus routine.
2318 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
2319 routine.
2320 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
2321 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
2322
2323 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
2324
2325 * m32r.c (*_oper{and|ator}): Change enum arguments and return
2326 values to int, so they can be prototyped even in files that don't
2327 include rtl.h.
2328 ({small,large}_insn_p): Ditto.
2329 (m32r_select_cc_mode): Ditto.
2330 (gen_compare): Ditto.
2331 (function_arg_partial_nregs): Ditto.
2332 (m32r_setup_incoming_varargs): Ditto.
2333 (init_reg_tables): Add prototype.
2334 (m32r_frame_info): Add prolog_size field.
2335 (m32r_compute_frame_size): Calculate the size of the prologue.
2336 (m32r_first_insn_address): Return prologue size.
2337 (m32r_output_function_prologue): Calculate frame size before
2338 printing out information. Print out the prologue size.
2339
2340 * m32r.h: Prototype all functions in m32r.c.
2341 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
2342
2343 * m32r.md (bcc functions): Cast enum's to int.
2344
2345 * m32r.c (conditional_move_operand): Silence a debug message.
2346 ({small,long}_insn): New predicates.
2347
2348 * m32r.h (TARGET_M32R): New macro.
2349 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
2350 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
2351 was selected.
2352 (ISSUE_RATE): Define as 2.
2353
2354 * m32r.md (insn_size): New attribute.
2355 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
2356 short.
2357 (m32r): New attribute.
2358
2359 * configure.in (enable_haifa): Switch m32r to Haifa by default.
2360 * configure: Regenerate.
2361
2362 (Changes from Nick Clifton <nickc@cygnus.com>)
2363 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
2364 the equivalent of a negated 'I' constraint.
2365 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
2366 optimisation to work.
2367
2368 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
2369 than 'I' since the value is negated.
2370 (peephole): Add peephole optimisation to cope with optimization of
2371 divide and subtracts of the same operands.
2372
2373 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
2374 * m32r.h: Ditto.
2375 * m32r.md: Ditto.
2376
2377 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
2378 predicates.
2379
2380 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
2381
2382 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
2383
2384 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
2385
2386 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
2387 frame_pointer_rtx not FRAME_POINTER_REGNUM.
2388
2389 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
2390
2391 * reg-stack.c: Revert last patch (Apr 20).
2392 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
2393
2394 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
2395
2396 * loop.c (check_dbra_loop): New locals jump, first_compare, and
2397 compare_and_branch. Call get_condition to set first_compare.
2398 Set compare_and_branch to number of compare/branch instructions.
2399 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
2400 Replace '2' with compare_and_branch.
2401
2402 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2403
2404 * cplus-dem.c (demangle_qualified): Replace missing else.
2405
2406 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2407
2408 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
2409
2410 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2411
2412 * sh.c (sh_expand_prologue, sh_expand_epilogue):
2413 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
2414 * sh.h (STACK_BOUNDARY): Likewise.
2415
2416 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2417
2418 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2419
2420 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
2421
2422 * system.h (abort): If abort is not defined, and neither is
2423 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
2424 reporting the line and filename of the error.
2425
2426 * .gdbinit: Add breakpoints on exit and fancy_abort.
2427
2428 * final.c (split_double): Avoid a compiler warning if
2429 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
2430
2431 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
2432 for calling jump_optimize.
2433
2434 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
2435 macros, rather than 0/1's.
2436
2437 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
2438
2439 * alpha.h (CONST_COSTS): Zero is always free.
2440 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
2441
2442 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2443
2444 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
2445 length in the name of a virtual table.
2446
2447 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
2448
2449 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
2450
2451 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
2452
2453 * version.c: Bump for snapshot.
2454
2455 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
2456
2457 * fold-const.c (fold_convert): Fix typo.
2458
2459 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
2460
2461 * alias.c (alias_invariant): New variable.
2462 (record_base_value): New argument INVARIANT.
2463 (memrefs_conflict_p): If a register has an entry in the alias_invariant
2464 array, try substituting that value for the register.
2465
2466 * rtl.h: Declare record_base_value.
2467
2468 * loop.c, unroll.c: Update callers of record_base_value.
2469
2470 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
2471 ZERO_EXTEND do not affect base values.
2472
2473 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
2474
2475 * dbxout.c (dbxout_type): Fix typo.
2476 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
2477
2478 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
2479
2480 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
2481
2482 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
2483 if the argument is the address of a structure or array.
2484
2485 * configure.in: Enable Haifa scheduler by default for SPARC.
2486
2487 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2488
2489 * cse.c (cse_set_around_loop): Don't do optimization when
2490 new pseudos are created.
2491
2492 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
2493
2494 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
2495 appropriately.
2496 (dbxout_type_method_1, dbxout_type): Likewise.
2497 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
2498 (dbxout_type): Fix check for when to print a type range in
2499 octal vs decimal.
2500
2501 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2502
2503 * (gen_shl_and, in case 1): Fix comparison with mask.
2504
2505 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
2506
2507 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
2508 pointer as second register in REG+REG pair.
2509
2510 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2511
2512 * c-common.c (check_format_info): Don't check for the 'x' format
2513 character twice, instead check for 'x' and 'X'
2514
2515 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2516
2517 * Makefile.in (libgcc2.ready): Add explicit dependancy from
2518 $(STMP_FIXPROTO) to ensure all necessary include files have
2519 been created and to guarantee proper parallel builds.
2520
2521 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2522
2523 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
2524 register for stdarg functions.
2525 * sh.h (current_function_varargs): Declare.
2526 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
2527
2528 1998-04-23 Jim Wilson <wilson@cygnus.com>
2529
2530 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
2531 inhibit_libc is defined.
2532
2533 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
2534
2535 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
2536
2537 * profile.c (tablejump_entry_p): New function.
2538 (branch_prob): Add code to recognize MIPS tablejump entry branch.
2539 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
2540
2541 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
2542
2543 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
2544 found, rather than at end of the loop, after the insn has been
2545 changed.
2546
2547 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2548
2549 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
2550 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
2551
2552 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
2553
2554 * loop.c (note_addr_stored): Correct function to take 2 arguments,
2555 instead of 1.
2556
2557 * rtl.def (MATCH_INSN2): Add new matching pattern.
2558 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
2559
2560 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
2561
2562 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
2563 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
2564
2565 * final.c (split_double): Sign extend both halves of a split CONST_INT.
2566
2567 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
2568
2569 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
2570
2571 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2572
2573 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
2574 (cplus_demangle_opname): Call mop_up_squangle.
2575 (cplus_demangle): Initialize squangle info, then call
2576 internal_cplus_demangle. (Most code moved there as well)
2577 (internal_cplus_demangle): New function, performs most of what use
2578 to be done in cplus_demangle, but is only called with this file.
2579 (squangle_mop_up): New function to clean up B and K code data.
2580 (mop_up): set pointers to NULL after freeing.
2581 (demangle_signature, demangle_template, demangle_class): Add
2582 switch elements to handle K and B codes.
2583 (demangle_prefix, gnu_special, demangle_qualified): Add
2584 code to handle K and B codes.
2585 (do_type, demangle_fund_type): Handle B and K codes.
2586 (remember_Ktype): New function to store K info.
2587 (register_Btype, remember_Btype): New functions for B codes.
2588 (forget_B_and_K_types): New function to destroy B and K info.
2589
2590 1998-04-21 Jim Wilson <wilson@cygnus.com>
2591
2592 * stmt.c (check_seenlabel): When search for line number note for
2593 warning, handle case where there is no such note.
2594
2595 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
2596
2597 * genemit.c (gen_exp): Allow machine description to set mode of
2598 MATCH_OP_DUP.
2599
2600 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
2601
2602 * alias.c (mode_alias_check): New function.
2603 (true_dependence, anti_dependence, output_dependence): Call
2604 mode_alias_check.
2605
2606 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
2607
2608 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
2609 (MIPS_STACK_ALIGN): Similarly.
2610
2611 * c-common.c (type_for_mode): Handle TI types.
2612 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
2613 (init_decl_processing): Handle TI types.
2614 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
2615
2616 * mips.c (block_move_loop): Test Pmode == DImode instead of
2617 TARGET_MIPS64.
2618 (expand_block_move, save_restore_insns): Likewise.
2619 (function_prologue, mips_expand_prologue): Likewise.
2620 (mips_expand_epilogue): Likewise.
2621 * mips.h (POINTER_SIZE): Allow specific targets to override.
2622 (Pmode): Allow specific targets to override.
2623 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
2624 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
2625 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2626 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
2627 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2628 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
2629 * mips.md (indirect, tablejump & casesi support): Test for
2630 Pmode == DImode instead of TARGET_MIPS64.
2631 (call patterns): Likewise.
2632
2633 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2634
2635 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
2636 for gen_rtx(MEM, ...).
2637
2638 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
2639
2640 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
2641 to not be so gross, and to properly function with PIC.
2642
2643 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
2644
2645 * frame.c (heapsort): Rename to frame_heapsort.
2646
2647 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
2648
2649 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
2650
2651 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
2652
2653 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
2654
2655 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
2656 operands during and after reload.
2657
2658 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2659
2660 * final.c (shorten_branches, init_insn_lengths): Move code
2661 to free label_align, uid_shuid, insn_lengths, insn_addresses
2662 and uid_align from the former function into the latter one;
2663 Add code to clear these variables.
2664 * sh.h (label_align): Remove declaration.
2665
2666 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
2667
2668 * gcc.c (lang_specific_driver): Declare prototype properly so
2669 fatal can be passed to it without error.
2670
2671 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
2672 * configure: Regenerate.
2673 * config.in: Add #undef's for strchr and strrchr.
2674
2675 * protoize.c (toplevel): If we have rindex, but not strrchr, map
2676 rindex to strrchr.
2677 (file_could_be_converted): Use strrchr, not rindex since rindex is
2678 not defined on Linux systems when _POSIX_SOURCE is defined.
2679 (file_normally_convertible): Ditto.
2680 (process_aux_info_file): Ditto.
2681 (main): Ditto.
2682
2683 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
2684 a constant to an integer register, don't split the insns that do
2685 the simple AND and OR operations, rather just split each word, and
2686 let the normal movsi define split handle it further.
2687
2688 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2689
2690 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
2691 (split_branches): Call init_insn_lengths.
2692
2693 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
2694
2695 * i386.c: Include expr.h to get the change_address prototype
2696 declared.
2697
2698 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
2699
2700 * reg-stack.c (subst_asm_stack_regs): Change to return the last
2701 new insn generated by this function.
2702 (subst_stack_regs): Likewise.
2703 (convert_regs): Record the last newly generated insn and use
2704 it for change_stack () instead of INSN.
2705
2706 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2707
2708 * fix-header.c (enum special_file): Undefine enumerators if they
2709 are already defined by include files.
2710 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
2711 macro with '__' to not pollute user namespace.
2712
2713 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
2714
2715 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
2716
2717 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
2718
2719 * version.c: Bump for snapshot.
2720
2721 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
2722
2723 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
2724
2725 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
2726 Add missing -Dpentium* options.
2727 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
2728 instead of CPP_CPU_DEFAULT.
2729 (EXTRA_SPECS): Add entry for cpp_cpu_default.
2730
2731 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
2732
2733 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
2734 negative in a stackless frame.
2735 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
2736 in stackless frame size. Support 64-bit stackless frame size.
2737 Combine fpmem offset calculations and don't add total_size to
2738 offset if not pushing a stack frame.
2739
2740 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
2741
2742 * regmove.c (fixup_match_1): In three places, in flag_exceptions
2743 check, change p to q.
2744
2745 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
2746
2747 * gcc.c (lang_specific_driver): Add new parm type to prototype.
2748 (added_libraries): New file scope static variable.
2749 (process_command): Initialize added_libraries. Pass it to
2750 lang_specific_driver.
2751 (main): Use added_libraries in check for no input files.
2752
2753 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
2754
2755 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
2756 code generation. Use 64 bit instructions in 32 bit mode when
2757 possible. Use V9 return instruction. UltraSPARC optimizations.
2758
2759 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
2760
2761 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
2762
2763 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
2764 just pass zero. That will work regardless of the size of HARD_REG_SET.
2765
2766 * libgcc2.c (__floatdisf): Fix a couple typos.
2767
2768 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
2769
2770 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
2771
2772 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
2773
2774 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
2775
2776 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
2777
2778 * emit-rtl.c (operand_subword_force): If a register can not be
2779 accessed by words, copy it to a pseudo register.
2780
2781 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
2782
2783 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
2784
2785 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
2786
2787 * tree.h (mark_seen_cases): Delete declaration.
2788
2789 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
2790
2791 * stmt.c (mark_seen_cases): Make static and add prototype.
2792
2793 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794
2795 * frame.c: Include stdlib.h and unistd.h to possibly get various
2796 function prototypes. The fixproto script guarantees these header
2797 files exist on the target system.
2798 * libgcc2.c: Likewise.
2799
2800 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
2801 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
2802 function parameters.
2803 * libgcc2.c (__udiv_w_sdiv): Likewise.
2804
2805 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
2806
2807 * varasm.c (asm_output_bss): Add prototype.
2808 (asm_output_aligned_bss): Likewise.
2809
2810 * unroll.c (verify_addresses): Add prototype.
2811
2812 * toplev.c: Add many prototypes. Too many to mention here.
2813
2814 * stmt.c (check_seenlabel): Add prototype.
2815
2816 * rtlanal.c (reg_set_p_1): Add prototype.
2817 (reg_set_last_1): Likewise.
2818
2819 * reorg.c (find_dead_or_set_registers): Add prototype.
2820
2821 * regmove (try_auto_increment): Add prototype.
2822
2823 * reg-stack.c (pop_stack): Add prototype.
2824
2825 * recog.c (validate_replace_rtx_1): Add prototype.
2826 (find_cosntant_term_loc): Likewise.
2827
2828 * loop.c (regs_patch_p): Add prototype.
2829 (add_label_notes, count_nonfixed_reads): Likewise.
2830 (find_single_use_in_loop): Likewise.
2831 (express_from): Surround prototype with #ifdef.
2832 (giv_sort): Similarly.
2833
2834 * jump.c (mark_modified_reg): Add prototype.
2835
2836 * haifa-sched.c (is_prisky): Add prototype.
2837 (queue_to_ready): Likewise.
2838
2839 * genextract.c (gen_insn): Add prototype.
2840
2841 * genemit.c (max_operand_1): Add prototype.
2842 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
2843 (gen_expand, gen_explit, output_add_clobbers): Likewise.
2844 (output_init_mov_optab): Likewise.
2845
2846 * genattrtab.c (attr_hash_add_rtx): Add prototype.
2847 (attr_hash_add_string, write_length_unit_log): Likewise.
2848
2849 * genattr.c (init_range): Add prototype.
2850
2851 * combine.c (sets_function_arg_p): Add prototype.
2852
2853 * expr.c (store_constructor_field): Add prototype.
2854 (get_memory_usage_from_modifier): Likewise
2855
2856 * expmed.c (synth_mult): Add prototype.
2857 (choose_multiplier, invert_mod2n): Likewise.
2858
2859 * except.c (push_eh_entry): Add prototype.
2860 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
2861 (call_get_eh_context, start_dynamic_cleanup): Likewise.
2862 (start_dynamic_handler, can_throw): Likewise.
2863 (output_exception_table_entry, scan_region): Likewise.
2864 (eh_regs, set_insn_eh_region): Likewise.
2865
2866 * dwarfout.c (decl_class_context): Add prototype.
2867 (output_inheritance_die, type_ok_for_scope): Likewise.
2868
2869 * c-lex.c (skip_white_space_on_line): Add prototype.
2870
2871 * alias.c (record_set): Add prototype.
2872 (find_base_term, base_alias_check): Likewise.
2873
2874 * function.c (assign_outer_stack_local): Make static and add prototype.
2875
2876 * haifa-sched.c (build_control_flow): Accept raw data as inputs
2877 instead of computing it locally. Callers changed.
2878 (find_rgns): Several new arguments. Callers changed.
2879 Generally clean up and comment better. Use dominators to
2880 identify reducible loops. Convert some flag arrays to bitmaps.
2881 Convert most of the code to work on pred/succ lists instead of
2882 an edge table. Add comments for future improvements.
2883 (schedule_insns): Allocate temporary tables for flow data, call
2884 routines to compute flow data and pass it along to children as
2885 arguments.
2886 (debug_control_flow): Delete. Use dump_bb_data instead.
2887
2888 * basic-block.h (compute_dominators): Declare.
2889
2890 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
2891 functions.
2892 * basic-block.h: Declare them.
2893
2894 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
2895
2896 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
2897 no operands.
2898
2899 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
2900
2901 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
2902 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
2903 node is non NULL. Cache last file name and file name identifier node.
2904
2905 1998-04-15 Mark Mitchell <mmitchell@usa.net>
2906
2907 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
2908 the length of an array, not TREE_TYPE.
2909
2910 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
2911
2912 * flow.c (sbitmap_union_of_successors): New function.
2913 * basic-block.h (sbitmap_union_of_successors): Declare it.
2914
2915 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
2916
2917 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
2918 Set gnu_ld to gnu_ld_flag inside main loop.
2919 (gas): Likewise.
2920
2921 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
2922
2923 * toplev.c (compile_file): Call init_parse using new interface.
2924 (init_lex): Remove declaration.
2925
2926 * c-lex.c (init_parse): Now returns char* containing filename.
2927
2928 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
2929
2930 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
2931
2932 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
2933
2934 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
2935 (gen{extract,peep,opinit,output}): Ditto.
2936
2937 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
2938 global definition so print-rtl.o can be linked in.
2939 * gen{peep,recog}.c (insn_attr_name): Ditto.
2940
2941 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
2942
2943 * fixincludes: discard empty C++ comments, as found in sys/time.h
2944 on hpux-11.0.
2945
2946 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2947
2948 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
2949 operand.
2950
2951 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
2952
2953 * emit-rtl.c (operand_subword): Rework slightly to avoid
2954 bogus warning from previous change.
2955
2956 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
2957
2958 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
2959 Nov 8 find_replacement change. Move decls of get_unaligned_address
2960 * alpha.h: ... here.
2961
2962 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
2963
2964 * function.c (assign_parms): Initialize unsignedp before passing
2965 its pointer to promote_mode.
2966
2967 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
2968 (write_test_expr): Allow MATCH_INSN.
2969
2970 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
2971
2972 * install.texi: Update section on warnings that can be safely ignored.
2973
2974 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
2975
2976 * mips.md (reload_outdi): Change the scratch mode from DImode to
2977 TImode. New variable scratch, used instead of operand[2] in template.
2978 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
2979
2980 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
2981
2982 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
2983
2984 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
2985
2986 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
2987
2988 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
2989
2990 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
2991 (ASM_FINISH_DECLARE_OBJECT): Likewise.
2992
2993 * Idea and part of the patch from HJ.
2994 * Makefile.in: auto-host.h renamed from auto-config.h. All references
2995 changed.
2996 (distclean): Remove auto-build.h too.
2997 * configure.in: Rename host autoconf generated file to auto-host.h.
2998 If host != build, then run autoconf to generate auto-build.h for
2999 the build machine and include it in build_xm_files.
3000 Check for wait.h and sys/wait.h.
3001
3002 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
3003 TRULY_NOOP_TRUNCATION.
3004
3005 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
3006
3007 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
3008
3009 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
3010
3011 * invoke.texi (ld options) Include memset requirements
3012 for options -nodstdlib and -nodefaultlibs.
3013
3014 1998-04-12 Paul Eggert <eggert@twinsun.com>
3015
3016 This change is from an idea suggested by Arthur David Olson.
3017
3018 * c-common.c (decl_attributes, record_function_format,
3019 check_format_info, init_function_format_info):
3020 Add support for strftime format checking.
3021 (enum format_type): New type.
3022 (record_function_format): Now static, and takes value of type
3023 enum format_type instead of int.
3024 (time_char_table): New constant.
3025 (struct function_format_info): format_type member renamed from is_scan.
3026 (check_format_info): Use `warning' rather than sprintf followed by
3027 `warning', to avoid mishandling `%' in warnings.
3028 Change `pedwarn' to `warning', since these warnings do not necessarily
3029 mean the program does not conform to the C Standard, as the code
3030 need not be executed.
3031
3032 * c-tree.h (record_function_format): Remove decl; no longer extern.
3033
3034 * extend.texi: Add documentation for strftime format checking.
3035
3036 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
3037
3038 * mips/ecoffl.h: Do not include mips.h.
3039 * mips/elf.h: Likewise.
3040
3041 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
3042 * mips/ecoff.h: Include "mips/mips.h".
3043
3044 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
3045
3046 * version.c: Bump for snapshot.
3047
3048 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3049
3050 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3051 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3052 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3053 between loop optimization passes.
3054 * rtl.h: Updated appropriately.
3055
3056 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3057
3058 Reinstall this patch from Jason.
3059 * function.c (push_function_context_to): Don't call init_emit.
3060
3061 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3062
3063 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3064 encountering unterminated comments.
3065
3066 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3067
3068 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3069 64x32 cross builds.
3070
3071 * configure.in: Handle --with-fast-fixincludes.
3072 (fixincludes): If --with-fast-fixincludes, then use a different
3073 fixincludes program by default.
3074 * Makefile.in (fixinc.sh): New rule.
3075
3076 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3077
3078 * i386.md (movqi+1): Handle invalid QI register.
3079 (movsf_push-1): Likewise.
3080
3081 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
3082
3083 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
3084 addresses.
3085 symbolic_memort_operand(), call32_operand(), int8_operand(),
3086 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
3087 Not used.
3088 uint16_operand(): Made static.
3089
3090 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
3091
3092 * calls.c (expand_call): Fix typo.
3093
3094 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
3095
3096 * c-lex.c (finput): New global.
3097 (init_parse): Always included. Handle !USE_CPPLIB using
3098 code originally in compile_file.
3099 (finish_parse): Update for CPPLIB.
3100 * toplev.c (init_parse, finish_parse): Declare.
3101 (finput): Delete variable. Now in front-ends.
3102 (compile_file): Remove code which is now handled by init_parse
3103 which is unconditionally called. Similarly for finish_parse.
3104
3105 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
3106
3107 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3108 ASM_WEAKEN_LABEL): Add.
3109
3110 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
3111
3112 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
3113 * configure.in (alpha-*-linux*): Use them.
3114
3115 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3116
3117 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
3118 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
3119 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
3120 (build_expr_wfl): New prototype declaration.
3121 * tree.c (build_expr_wfl): New function, to build
3122 EXPR_WITH_FILE_LOCATION nodes.
3123 (copy_node): Don't zero TREE_CHAIN if copying a
3124 EXPR_WITH_FILE_LOCATION node.
3125 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
3126 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
3127
3128 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
3129
3130 * configure.in (v850): Use t-v850.
3131 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
3132
3133 * protoize.c (creat, read, write): Do not declare.
3134
3135 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
3136 refer to the CODE_LABEL before a dispatch table.
3137
3138 * invoke.texi: Add ARC options.
3139
3140 * gcc.c (proces_command): Improve error message for -o with
3141 either -c or -S.
3142
3143 * i386/x-cygwin32 (CLIB): Link in advapi32.
3144
3145 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
3146 (ASM_IDENTIFY_LANGUAGE): Likewise.
3147
3148 * i386.md (movqi recognizer): Don't perfom byte increment into
3149 a NON_QI_REG_P.
3150
3151 * configure.in (x86-dg-dgux): Run fixinc.dgux.
3152
3153 * i370.h: Fix typo in GEN_INT changes.
3154
3155 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
3156 of an empty arglist in prototype.
3157
3158 * Makefile.in: Remove bytecode crud that crept back in after the
3159 gcc2 merge.
3160
3161 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
3162
3163 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
3164 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
3165
3166 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
3167
3168 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3169
3170 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
3171
3172 * c-lex.c (is_class_name): Delete declaration.
3173 (whitespace_cr): Make static and add prototype.
3174 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
3175 yylex, get_directive_line): Turn declarations into prototypes.
3176 (position_after_whitespace, check_newline, yyerror,, is_class_name,
3177 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
3178 prototypes.
3179 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
3180 prototypes.
3181 * gencodes.c (gen_insn): Add prototype.
3182 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
3183 gen_peephole): Add prototypes.
3184 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
3185 prototypes.
3186 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
3187 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
3188 genheader, gencode): Add prototypes.
3189 * genopinit.c (gen_insn): Add prototype.
3190 * genoutput.c (output_prologue, output_epilogue, scan_operands,
3191 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
3192 gen_expand, gen_split, n_occurrences): Add prototypes.
3193 * genpeep.c (gen_peephole): Add prototype.
3194 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
3195 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
3196 labels_in_range_p, count_loop_regs_set, note_addr_stored,
3197 loop_reg_used_before_p, scan_loop, replace_call_address,
3198 skip_consec_insns, libcall_benefit, ignore_some_movables,
3199 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
3200 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
3201 check_final_value, record_giv, update_giv_derive, basic_induction_var,
3202 simplify_giv_expr, general_induction_var, consec_sets_giv,
3203 check_dbra_loop, express_from, combine_givs_p, combine_givs,
3204 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
3205 last_use_this_basic_block, record_initial, update_reg_last_use,
3206 iteration_info, analyze_loop_iterations, insert_bct,
3207 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
3208 into prototypes.
3209
3210 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3211
3212 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3213
3214 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
3215
3216 * config/mips/mips.c (siginfo): Deleted.
3217 (override_options): Don't install SIGINFO signal handler.
3218
3219 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
3220
3221 * loop.c (check_dbra_loop): When normalize comparison_val, add check
3222 to verify it is non-negative.
3223
3224 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
3225
3226 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
3227 (alpha_expand_block_clear): Likewise.
3228
3229 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
3230
3231 * tree.h (sizetype_tab): Fix previous change for K&R.
3232
3233 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
3234
3235 * version.c: Bump for snapshot.
3236
3237 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
3238
3239 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
3240 Add USG and POSIX to xm_defines.
3241
3242 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
3243
3244 * gcc.c: Add linker spec.
3245 (link_command_spec): Use %(linker) instead of ld.
3246 (main): If collect2 is requested as the linker, see if it exists;
3247 if not, use ld instead.
3248
3249 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
3250 (ld:) Deleted.
3251 (install-collect2): Install as collect2, not ld.
3252
3253 * configure.in(will_use_collect2): It's named collect2 now.
3254
3255 * collect2: Remove checks to see if we were invoked recursively.
3256 (collect_execute): Use _spawnvp under cygwin32.
3257
3258 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
3259
3260 * haifa-sched.c (build_control_flow): Set unreachable for block whose
3261 only predecessor is itself.
3262
3263 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3264
3265 * c-parse.in: Include system.h, and remove stuff now made redundant.
3266 * cccp.c: Likewise.
3267 * cexp.y: Likewise.
3268 * protoize.c: Likewise. Properly check for cpp stringification.
3269
3270 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
3271 Depend on system.h.
3272
3273 * objc/Make-lang.in (objc-parse.o): Likewise.
3274
3275 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276
3277 * gansidecl.h: Check if compiler supports __attribute__. Provide
3278 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
3279 __attribute__ when its available. Also provide definitions for
3280 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
3281 terms of ATTRIBUTE_PRINTF.
3282
3283 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
3284 of __attribute__.
3285
3286 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
3287
3288 * combine.c (can_combine_p): Include successor in volatile test.
3289
3290 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3291
3292 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
3293 offset_unsigned.
3294
3295 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
3296
3297 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
3298 in prototype and definition.
3299
3300 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
3301
3302 * version.c: Bump for snapshot.
3303
3304 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
3305
3306 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
3307 alpha_expand_unaligned_store_words.
3308
3309 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
3310
3311 * i386.md (movsf_push, movsf_mem): Remove.
3312 (movsf_push): Rename from movsf_push_nomove and move in front of
3313 movsf. Use nonmemory_operand predicate and don't bother checking
3314 TARGET_MOVE.
3315 (movsf_push_memory): New pattern.
3316 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
3317 both operands refer to memory then force operand[1] into a register.
3318 (movsf_normal): Change to unnamed pattern.
3319 Likewise for movdf, movxf, and friends.
3320
3321 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
3322
3323 * version.c: Bump for snapshot.
3324
3325 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
3326
3327 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
3328
3329 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
3330
3331 * configure.in (mips-wrs-vxworks): New target.
3332
3333 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
3334
3335 * expmed.c (synth_mult): The value -1, has no zeros, so it can
3336 never have the form ...011.
3337
3338 * version.c: Bump for snapshot.
3339
3340 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
3341
3342 * i386.c (asm_output_function_prefix, load_pic_register):
3343 Use ASM_GENERATE_INTERNAL_LABEL properly.
3344 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
3345 (print_operand): Ignore it.
3346 (load_pic_register): Use it for the got load call.
3347 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
3348 (prologue_get_pc_and_set_got): Likewise.
3349 * i386.h: Update print_operand docs.
3350
3351 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
3352
3353 * i386.md (ffssi, ffshi): Rewrite as define_expands.
3354 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
3355 * i386.c (notice_update_cc): Recognize unspec 5.
3356
3357 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
3358
3359 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
3360 * alpha.c (print_operand): Handle it.
3361 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
3362 for ALPHA_TP_INSN.
3363 (fix_truncdfdi2): Likewise.
3364
3365 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
3366
3367 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
3368 of these into a single struct, with additional [us]sizetype entries.
3369 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
3370 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
3371 an array.
3372
3373 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
3374
3375 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
3376
3377 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
3378
3379 * haifa-sched.c (split_block_insns): Don't supress insn splitting
3380 on subsequent passes.
3381
3382 * alpha.c (hard_fp_register_operand): New function.
3383 * alpha.h (PREDICATE_CODES): Add it.
3384 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
3385 f<-m case and accompanying define_split.
3386 (trapb): Use a unique unspec_volatile number.
3387
3388 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
3389
3390 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
3391 from gcc2 merge.
3392
3393 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
3394
3395 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
3396 for details.
3397
3398 * haifa-sched.c: Mirror recent changes from gcc2.
3399
3400 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
3401
3402 * Makefile.in (insn*.o): Depend on system.h.
3403
3404 * pa.c (output_global_address): Initialize base.
3405 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
3406
3407 1998-04-03 Mike Stump <mrs@wrs.com>
3408
3409 * gthr.h: Support systems that don't have weak, but have threads.
3410 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
3411 * gthr-vxworks.h: New file.
3412 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
3413
3414 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
3415
3416 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
3417
3418 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
3419
3420 * ginclude/va-i960.h (va_end): Change void * to void.
3421
3422 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423
3424 * Makefile.in (choose-temp.o): Depend on system.h.
3425
3426 * choose-temp.c: Include system.h when IN_GCC.
3427
3428 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
3429 Richard Henderson <rth@cygnus.com>
3430
3431 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
3432 (move_replacements): New function.
3433 * reload.h: Prototype it.
3434
3435 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
3436
3437 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
3438
3439 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
3440 Run fixincludes.
3441
3442 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
3443 (gen_highpart): Likewise.
3444 * final.c (alter_subreg): Allow the target to hook by-mode subreg
3445 hard register number changes.
3446
3447 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
3448
3449 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
3450 rnbitsize, rnmode and rinner.
3451 (make_range): Initialize type.
3452 (fold): Initialize arg0, arg1 and varop.
3453
3454 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
3455 and regnor.
3456 (expand_function_start): Initialize last_ptr.
3457
3458 * stor-layout.c (layout_record): Initialize desired_align.
3459 (get_best_mode): Initialize unit.
3460
3461 * tree.c (copy_node): Initialize length.
3462
3463 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
3464
3465 * caller-save.c (insert_save_restore): Initialize pat, code and
3466 numregs.
3467
3468 * emit-rtl.c (push_to_sequence): Initialize top.
3469 (push_topmost_sequence): Likewise.
3470
3471 * genattrtab.c (simplify_by_exploding): Initialize defval.
3472
3473 * profile.c (branch_prob): Initialize dest.
3474
3475 * rtl.h (note_stores): Remove duplicate prototype.
3476 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
3477
3478 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
3479 strings that are not actually lengths.
3480
3481 * genattrtab.c: Make generated file use system.h, instead of
3482 including stdio.h, etc directly.
3483 * genextract.c, genopinit.c, genoutput.c: Likewise.
3484 * genpeep.c, genrecog.c: Likewise
3485
3486 * genoutput.c (process_template): Mark operands in the generated
3487 function as potentially unused if compiling with GNU CC.
3488
3489 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
3490
3491 * pa.md (reload peepholes): Remove unused variable "mode".
3492
3493 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
3494
3495 * config/arm/thumb.h: Add super interworking support.
3496 * config/arm/thumb.c: Add super interworking support.
3497 * config/arm/thumb.md: Add super interworking support.
3498 * config/arm/lib1funcs.asm: Add interworking support.
3499 * config/arm/lib1thumb.asm: Add super interworking support.
3500 * config/arm/t-semi: Add interworking support.
3501 * config/arm/t-thumb: Add interworking support.
3502 * config/arm/README-interworking: New file.
3503
3504 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
3505
3506 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
3507 (MD_STARTFILE_PREFIX): Unset.
3508
3509 1998-04-01 Mark Mitchell <mmitchell@usa.net>
3510
3511 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
3512 entity in a local scope.
3513
3514 * fold-const.c (fold): Call truthvalue_conversion for values which
3515 are folded to boolean type.
3516
3517 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
3518
3519 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
3520 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
3521 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
3522 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
3523 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
3524 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
3525 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
3526 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
3527 * md.texi: Likewise.
3528
3529 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
3530
3531 * fixincludes (limits.h): Fix nested comments in Motorola's
3532 limits.h and sys/limits.h.
3533
3534 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
3535
3536 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
3537 as dest of expand_binop call.
3538
3539 * alpha.md (extzv): Correct check for valid operand[2] values.
3540
3541 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
3542 branch.
3543
3544 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
3545
3546 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
3547
3548 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
3549 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
3550
3551 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
3552 cygwin32 can override this to allow both unix and win32 style PATHs.
3553
3554 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
3555 style environment paths.
3556
3557 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3558
3559 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
3560 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
3561 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
3562 system.h.
3563
3564 * cpphash.c: Include config.h.
3565 * cppalloc.c: Include system.h. Add parameters to various
3566 function prototypes.
3567 * cpperror.c: Likewise.
3568 * cppexp.c: Likewise.
3569 * cpphash.c: Likewise.
3570 * cpplib.c: Likewise.
3571 * cppmain.c: Likewise.
3572 * fix-header.c: Likewise.
3573 * gcov.c: Likewise.
3574 * gen-protos.c: Likewise.
3575 * gengenrtl.c: Likewise.
3576 * halfpic.c: Likewise.
3577 * hash.c: Likewise.
3578 * scan-decls.c: Likewise.
3579 * scan.c: Likewise.
3580
3581 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
3582
3583 * README.gnat: Add lang_print_xnode definition.
3584
3585 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3586
3587 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
3588 fmovecr on the 68060.
3589
3590 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
3591
3592 * genemit.c (DONE): Rework so that it works in the true arm if
3593 an if-else conditional.
3594 (FAIL): Likewise.
3595
3596 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
3597
3598 * rs6000.c: Do not include stdioh or ctype.h anymore.
3599
3600 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
3601 $(RTL_H).
3602 (stor-layout.o): Likewise.
3603 * c-typeck.c: Include rtl.h and expr.h.
3604 * stor-layout.c: Likewise.
3605
3606 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
3607 All callers changed.
3608 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
3609 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
3610 All callers changed.
3611
3612 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
3613
3614 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
3615
3616 * tree.h (lang_print_xnode): Provide prototype.
3617
3618 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
3619
3620 * version.c: Bump for snapshot.
3621
3622 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
3623
3624 * objc/sendmsg.c (__objc_block_forward): Add braces for return
3625 value if INVISIBLE_STRUCT_RETURN.
3626
3627 * pa.c (arith_double_operand): Fix parens.
3628
3629 * haifa-sched.c (print_pattern): Correct arg to sprintf.
3630
3631 * Makefile.in (libgcc1.null): Make return type for __foo void.
3632
3633 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
3634
3635 * pa.h: Add declarations for many functions defined in pa.c.
3636
3637 * genpeep.c (main): Remove unused variable 'i' from the generated
3638 file.
3639
3640 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
3641 (gen_split): Likewise.
3642 (main): Rework generated definitions of DONE and FAIL so that they
3643 no longer use gotos. Avoids warnings about unused labels.
3644
3645 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
3646 unused "junk" variable.
3647
3648 * genattrtab.c (write_complex_function): Add a default case in
3649 generated switch statement to keep -W -Wall quiet.
3650
3651 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
3652
3653 * invoke.texi: Document more ARM and Thumb command line options.
3654
3655 * config/arm/xm-thumb.h: New file.
3656
3657 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
3658
3659 * stmt.c (expand_expr_stmt): Must generate code for
3660 statements within an expression (gcc's `({ ... )}')
3661 even if -fsyntax-only.
3662
3663 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3664 Jeffrey A Law (law@cygnus.com)
3665
3666 * basic-block.h (basic_block_computed_jump_target): Declare.
3667 * flags.h: (current_function_has_computed_jump): Declare.
3668 * flow.c: (basic_block_computed_jump_target): Define.
3669 (flow_analysis): Allocate it. Set current_function_has_computed_jump
3670 to 0.
3671 (find_basic_blocks): Set current_function_has_computed_jump and
3672 elements of basic_block_computed_jump_target to 1 as appropriate.
3673 * function.c: (current_function_has_computed_jump): Define.
3674 * global.c (global_conflicts): Don't allocate pseudos into stack regs
3675 at the start of a block that is reachable by a computed jump.
3676 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
3677 immediately.
3678 (subst_stack_regs): Undo change from Sep 4 1997.
3679 (uses_reg_or_mem): Now unused, deleted.
3680 * stupid.c (stupid_life_analysis): Compute
3681 current_function_has_computed_jump.
3682 (stupid_find_reg): Don't allocate stack regs if the function has a
3683 computed goto.
3684 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
3685 the current function has a computed jump. Use the global value
3686 instead.
3687
3688 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
3689
3690 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
3691 (DWARF2_UNWIND_INFO): Define to zero.
3692
3693 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
3694
3695 * gcc.c (set_std_prefix): Add declaration.
3696 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
3697 suffix, and update the standard prefix prefix.c uses.
3698
3699 * prefix.c (std_prefix): New global to hold default prefix value.
3700 (get_key_value): Change to use std_prefix instead of PREFIX.
3701 (translate_name): Ditto.
3702 (update_path): Ditto.
3703 (get_key_value): Release allocated scratch storage.
3704 (set_std_prefix): New function to reset the standard prefix.
3705
3706 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3707
3708 * sh.c (find_barrier): Fix calculations for alignment increase.
3709
3710 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
3711
3712 * Makefile.in (stmp-fixinc): If we're actually fixing include
3713 files, copy gcc's assert.h into the fixed include dir.
3714 * fixincludes (assert.h): Avoid any attempts to fix a probably
3715 broken system specific assert.h file.
3716 * fixproto (stdlib.h): Make sure, it'll contain a definition of
3717 size_t.
3718
3719 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
3720
3721 * regclass.c (reg_scan_mark_refs): Be more selective about
3722 when we mark a register with REGNO_POINTER_FLAG.
3723
3724 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3725
3726 reload inheritance improvement:
3727 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
3728 Change meaning: index is now hard reg number.
3729 (reg_reloaded_valid, reg_reloaded_dead): New variables.
3730 (reload_spill_index): Content is now a hard reg number.
3731 (reload_as_needed): Change to fit new variable meaning.
3732 (forget_old_reloads_1, allocate_reload_reg): Likewise.
3733 (choose_reload_regs, emit_reload_insns): Likewise.
3734
3735 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3736
3737 * regclass.c (record_reg_classes): '?' increases cost by two.
3738
3739 * reload.c (find_reloads): Double previous costs. Output
3740 reloads cost one unit extra.
3741
3742 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
3743 boiled down to && ! 0.
3744
3745 * reload.c (find_equiv_reg): Also consider a goal offset from the
3746 frame pointer to be constant.
3747
3748 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3749
3750 * sh.h (OPTIMIZATION_OPTIONS): Define.
3751
3752 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
3753
3754 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
3755
3756 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
3757
3758 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
3759
3760 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
3761
3762 * c-common.c (check_format_info): Initialize type, is_type. New local
3763 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
3764 when pedantic if used with integral format specifier.
3765
3766 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
3767
3768 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
3769 direction.
3770 (function_arg_padding): Declare.
3771
3772 * rs6000.c: Include system.h.
3773 (function_arg_padding): Change return type to int, cast enum's to
3774 int.
3775
3776 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
3777 * collect2.c (scan_prog_file): Add explicit braces to avoid
3778 ambiguous `else'.
3779
3780 * dbxout.c (dbxout_type_fields): Add braces around empty body in
3781 an if-statement.
3782 (dbxout_type): Likewise.
3783
3784 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
3785 `ptt_size' from int to size_t.
3786 (rs6000_file_start): Likewise for `i'.
3787 (rs6000_replace_regno): Add default case in enumeration switch.
3788 (output_epilog): Remove unused variable `i'.
3789 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
3790 and `reg2'.
3791
3792 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
3793 initializer.
3794 (get_issue_rate, non_logical_cint_operand): Add prototype.
3795 (rs6000_output_load_toc_table): Ditto.
3796
3797 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
3798 `else'.
3799
3800 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
3801
3802 * config/arm/thumb.c: New File. Support for ARM's Thumb
3803 instruction set.
3804 * config/arm/thumb.h: New File. Thumb definitions.
3805 * config/arm/thumb.md: New File. Thumb machine description.
3806 * config/arm/tcoff.h: New File. Thumb COFF support.
3807 * config/arm/t-thumb: New File. Thumb makefile fragment.
3808 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
3809
3810 * configure.in: Add Thumb-coff target.
3811 * configure: Add Thumb-coff target.
3812 * config.sub: Add Thumb-coff target.
3813
3814 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
3815
3816 * loop.c (scan_loop): Initialize move_insn_first to zero.
3817
3818 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
3819
3820 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
3821 * config/i386/rtems.h: Likewise.
3822 * config/i960/rtems.h: Likewise.
3823 * config/m68k/rtems.h: Likewise.
3824 * config/mips/rtems64.h: Likewise.
3825 * config/pa/rtems.h: Likewise.
3826 * config/rs6000/rtems.h: Likewise.
3827 * config/sh/rtems.h: Likewise.
3828 * config/sparc/rtems.h: Likewise.
3829
3830 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3831
3832 * pa.c (emit_move_sequence): If in reload, call find_replacement.
3833
3834 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
3835
3836 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
3837
3838 * collect2.c (find_a_file): Add debugging.
3839 (find_a_file): Test for win32 style absolute paths if
3840 DIR_SERPARATOR is defined.
3841 (prefix_from_string): Add debugging.
3842 (main): Test for debug command line switch at start of program
3843 execution.
3844 (main): Use GET_ENVIRONMENT rather than getenv().
3845 (prefix_from_env): Use GET_ENVIRONMENT.
3846
3847 1998-03-24 Mark Mitchell <mmitchell@usa.net>
3848
3849 * cplus-dem.c (optable): Add sizeof.
3850 (demangle_template_value_parm): New function containing code
3851 previously found in demangle_template.
3852 (demangle_integral_value): New function which handles complicated
3853 integral expressions.
3854 (demangle_template): Use them.
3855
3856 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3857
3858 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
3859 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
3860 genattrtab.o, genoutput.o): Depend on system.h.
3861
3862 * genattr.c: Include system.h. Add arguments to various function
3863 prototypes. Remove redundant prototype of read_rtx().
3864 * genattrtab.c: Likewise.
3865 * gencodes.c: Likewise.
3866 * genconfig.c: Likewise.
3867 * genemit.c: Likewise.
3868 * genextract.c: Likewise.
3869 * genflags.c: Likewise.
3870 * genopinit.c: Likewise.
3871 * genoutput.c: Likewise.
3872 * genpeep.c: Likewise.
3873 * genrecog.c: Likewise.
3874
3875 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
3876
3877 * c-lang.c (lang_print_xnode): New function.
3878 * objc/objc-act.c (lang_print_xnode): Likewise.
3879 * print-tree.c (print_node): Call it
3880
3881 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
3882
3883 * c-parse.in: Recognize protocol qualifiers in class
3884 definitions for objc.
3885 Include "output.h".
3886 (yyerror): Remove redundant decl.
3887 (yyprint): Fix prototype.
3888
3889 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
3890
3891 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
3892
3893 * stmt.c (unroll_block_trees): Free block_vector if needed.
3894
3895 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
3896
3897 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
3898 (zero_extendsidi2): Avoid useless copy.
3899 (iordi_zext): New pattern.
3900 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
3901 operand 2.
3902 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
3903
3904 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
3905 (ashldi3): Allow constant shift count in range ]32,63].
3906 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
3907
3908 1998-03-22 Mark Mitchell <mmitchell@usa.net>
3909
3910 * tree.h (IS_EXPR_CODE_CLASS): New macro.
3911
3912 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
3913
3914 * h8300.h (CONST_COSTS): Remove definition.
3915 (DEFAULT_RTX_COSTS): Define.
3916
3917 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
3918
3919 * config/sh/rtems.h: Switched from ELF to COFF.
3920
3921 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3922
3923 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
3924
3925 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
3926
3927 * version.c: Bump for snapshot.
3928
3929 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
3930 Geoff Noer <noer@cygnus.com>
3931
3932 * Makefile.in: Various fixes for building cygwin32 native toolchains.
3933
3934 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
3935 * objc/Make-lang.in: Likewise.
3936
3937 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
3938
3939 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
3940
3941 * configure.in: Handle with-PACKAGE=no correctly
3942
3943 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3944
3945 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
3946 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
3947 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
3948 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
3949 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
3950 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
3951 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
3952 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
3953 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
3954 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
3955 on system.h.
3956
3957 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
3958 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
3959 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
3960 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
3961 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
3962 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
3963 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
3964 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
3965 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
3966 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
3967 xcoffout.c: Include system.h. Organize include ordering so
3968 that stdarg/varargs comes before other system headers. Remove
3969 spurious casts of functions assured of a prototype in system.h.
3970
3971 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
3972
3973 * reg-stack.c (pop_stack): Define. Pops any register on the
3974 regstack and adjusts regstack.
3975 (compare_for_stack_reg): Use pop_stack.
3976
3977 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
3978
3979 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
3980 config too.
3981
3982 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
3983
3984 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
3985
3986 * fold-const.c (fold): Replace sign-extension of a zero extended
3987 value by a single zero extension.
3988
3989 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
3990
3991 * except.c (init_eh): Do nothing.
3992 (save_eh_status): Call init_eh_for_function, not init_eh.
3993 * function.c (push_function_context_to): Don't call init_emit.
3994
3995 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
3996
3997 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
3998 and EABI.
3999
4000 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4001
4002 * final.c (shorten_branches): Add parentheses around +/- in
4003 operand of &.
4004
4005 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
4006
4007 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
4008
4009 * regclass.c (memory_move_secondary_cost): Wrap uses of
4010 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
4011 with #ifdef tests.
4012
4013 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4014
4015 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
4016
4017 * flow.c (life_analysis): #include <sys/types.h> to make sure
4018 size_t is defined.
4019 * cplus-dem.c (demangle_function_name): Likewise.
4020
4021 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
4022
4023 * final.c (insn_noperands): Change type to unsigned int.
4024 (final_scan_insn): Likewise for noperands;
4025 properly check operand number boundaries.
4026
4027 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
4028
4029 * alpha.md (extzv): Don't reject register operands. Fix
4030 mode of operand 1.
4031
4032 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
4033
4034 * dbxout.c (dbxout_function_end): Fix last change. The correct
4035 predicate is ASM_OUTPUT_SECTION_NAME.
4036
4037 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4038
4039 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
4040 (ashlsi): Use match_dup 1 instead of match_operand 2.
4041
4042 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4043
4044 * fold-const.c (operand_equal_for_comparison_p): See if equal
4045 when nop conversions are removed.
4046
4047 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4048
4049 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4050 don't use ORIGINAL_TARGET unless REG.
4051
4052 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4053
4054 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4055
4056 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4057
4058 * loop.c (struct movable): New field move_insn_first.
4059 (scan_loop): In consec sets code, set it. Clear it otherwise.
4060 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4061 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4062 out code.
4063
4064 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4065
4066 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4067 is large, and the system doesn't provide atoll or atoq.
4068 (atoll): New.
4069
4070 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4071 Reported by Klaus Kaempf <kkaempf@progis.de>.
4072
4073 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4074
4075 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4076 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4077
4078 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4079 test !ACCUMULATE_OUTGOING_ARGS.
4080
4081 * collect2.c (write_c_file_glob): Wrap function definition in
4082 macro test !LD_INIT_SWITCH.
4083
4084 * combine.c (try_combine): Wrap variables `cc_use' and
4085 `compare_mode' in macro test EXTRA_CC_MODES.
4086
4087 * cpplib.c (do_ident): Remove unused variable `len'.
4088 (skip_if_group): Remove unused variables `at_beg_of_line' and
4089 `after_ident'.
4090 (cpp_get_token): Remove unused variable `dummy'.
4091
4092 * dbxout.c (scope_labelno): Move static variable definition inside
4093 the one function scope where it is used.
4094 (dbxout_function_end): Wrap prototype and definition in
4095 macro test !NO_DBX_FUNCTION_END.
4096
4097 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
4098 in macro test !MIPS_DEBUGGING_INFO.
4099
4100 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
4101 into the scope where it is used. Wrap empty else-statement body
4102 in braces.
4103
4104 * fix-header.c: Fix typo in comment.
4105 (inf_skip_spaces): Cast results of INF_UNGET to (void).
4106 (check_protection, main): Likewise.
4107
4108 * flow.c (find_basic_blocks_1): Remove dangling comment text.
4109
4110 * function.c (contains): Wrap prototype and definition in macro
4111 test HAVE_prologue || HAVE_epilogue.
4112 (fixup_var_refs_1): Remove unused variable `width'.
4113
4114 * gen-protos.c (main): Remove unused variable `optr'.
4115
4116 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
4117
4118 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
4119 (__sjpopnthrow): Remove unused variable `jmpbuf'.
4120 (__throw): Remove unused variable `val'.
4121
4122 * protoize.c: Check for a previously existing definition before
4123 defining *_OK macros.
4124
4125 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
4126
4127 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4128
4129 * vax.h (ADDR_VEC_ALIGN): Define.
4130
4131 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
4132
4133 * gcc.c (default_arg): Don't wander off the end of allocated
4134 memory.
4135
4136 (From Geoffrey Keating <geoffk@ozemail.com.au>)
4137 * rs6000.c (small_data_operand): Ensure that any address
4138 referenced relative to the small data area is inside the SDA.
4139
4140 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
4141
4142 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
4143
4144 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4145
4146 * except.h (in_same_eh_region): New prototype.
4147 (free_insn_eh_region, init_insn_eh_region): New prototypes.
4148 * except.c (insn_eh_region, maximum_uid): New static variables.
4149 (set_insn_eh_region): New static function to set region numbers.
4150 (free_insn_eh_region): New function to free EH region table.
4151 (init_insn_eh_region): New function to initialize EH region table.
4152 (in_same_eh_region): New function used to determine if two rtl
4153 instructions are in the same exception region or not.
4154 * final.c (final): Initialize the table indicating which instructions
4155 belong in which exception region.
4156 * genpeep.c (main): Add "except.h" to include file list in generated
4157 file insn-peep.c.
4158 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
4159 peepholes involving calls and unconditional branches.
4160
4161 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
4162
4163 * README.gnat: New file.
4164
4165 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4166
4167 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4168 "recog.h" for offsettable_memref_p.
4169 (legitimize_pic_address): Remove unused variable `offset'.
4170 (notice_update_cc): Change return type to void. Add default label
4171 to switch.
4172 (standard_68881_constant_p): Remove unused variable mode.
4173 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
4174 (const_int_cost): Explicitly declare as returning int.
4175 (output_dbcc_and_branch): Change return type to void.
4176
4177 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
4178 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
4179 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
4180
4181 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
4182
4183 * version.c: Bump for snapshot.
4184
4185 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4186
4187 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4188 check for 'M' constraint.
4189
4190 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
4191
4192 * cccp.c (create_definition): If pedantic, call pedwarn for macro
4193 varargs feature.
4194
4195 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4196
4197 * i386.c (ix86_logical_operator): New function.
4198 (split_di): Ensure that when a MEM is split, the resulting MEMs have
4199 SImode.
4200 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
4201 to implement them.
4202
4203 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4204 Richard Earnshaw <rearnsha@arm.com>
4205 Nick Clifton <nickc@cygnus.com>
4206
4207 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
4208
4209 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
4210
4211 * cse.c (rtx_cost): Provide a default case in an enumeration
4212 switch, and call DEFAULT_RTX_COSTS if it's defined.
4213
4214 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
4215
4216 * basic-block.h (compute_preds_succs): Change return type in
4217 prototype to void.
4218 * flow.c (compute_preds_succs): Likewise in function definition.
4219
4220 * regmove.c (find_matches): Cast char used as array index to unsigned char
4221 to supress warning.
4222
4223 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
4224
4225 * i386.h (RTX_COSTS): Insert braces around nested if.
4226 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
4227 elements.
4228
4229 * gcc.c (default_compilers): Properly put brackets around array elements in
4230 initializer.
4231
4232 * getopt.c (_getopt_internal): Add explicit braces around nested if;
4233 reformatted.
4234
4235 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
4236 (record_reg_life_pat): Add explicit parens around && and || in expression.
4237 (stack_reg_life_analysis): Add parens around assignment used as expression.
4238 (convert_regs): Likewise.
4239
4240 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
4241
4242 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
4243 change callers accordingly.
4244
4245 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
4246 and definition; change all callers accordingly.
4247
4248 * except.c (init_eh): Avoid assignment of unused return value of
4249 build_pointer_type; cast it to void, instead, and remove unused
4250 variable type.
4251
4252 * gcc.c (lang_specific_driver): Define prototype only #ifdef
4253 LANG_SPECIFIC_DRIVER.
4254 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
4255
4256 * genoutput.c (output_epilogue): Initialize next_name to 0.
4257
4258 * real.c (efrexp): #if 0 prototype and function definition.
4259 (eremain): Likewise.
4260 (uditoe): Likewise.
4261 (ditoe): Likewise.
4262 (etoudi): Likewise.
4263 (etodi): Likewise.
4264 (esqrt): Likewise.
4265
4266 * reload.c (push_secondary_reload): Define prototype only
4267 #ifdef HAVE_SECONDARY_RELOADS.
4268
4269 * varasm.c (assemble_static_space): Define rounded only
4270 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
4271
4272 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4273
4274 * i386.md (andsi): Add default case in enumeration switch.
4275 (iorsi3): Likewise.
4276 (iorhi3): Likewise.
4277 (xorsi3): Likewise.
4278
4279 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
4280
4281 * c-decl (finish_struct): Change type of min_align to unsigned.
4282
4283 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
4284 remove unused variable len.
4285
4286 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
4287 comment indicating this is proper behaviour.
4288 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
4289 reg >= 0.
4290 (based_loc_descr): Likewise.
4291
4292 * enquire.c (bitpattern): Change type of variable i to unsigned.
4293
4294 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
4295
4296 * flow.c (life_analysis): Change type of variable i to size_t;
4297 remove unused variable insn.
4298
4299 * gcc.c (translate_options): Change type of variables optlen, arglen and
4300 complen to size_t.
4301 (input_filename_length): Change type to size_t.
4302 (do_spec_1): Change type of variable bufsize to size_t.
4303 (main): Change type of variables i and j to size_t;
4304 remove subblock local definition of variable i.
4305 (lookup_compiler): Change type of second argument to size_t;
4306 change type of variable i to size_t.
4307
4308 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
4309
4310 * genopinit.c (get_insn): Change type of variable pindex to size_t.
4311
4312 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
4313
4314 * global.c (global_alloc): Change type of variable i to size_t.
4315
4316 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
4317
4318 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
4319 (expand_end_case): Change type of variable count to size_t.
4320
4321 * toplev.c (main): Change type of variable j to size_t.
4322 (set_target_switch): Change type of variable j to size_t.
4323 (print_switch_values): Change type of variable j to size_t;
4324 remove unused variable flags.
4325
4326 * varasm.c (assemble_variable): Change type of variable align to size_t.
4327 (const_hash_rtx): Change type of variable i to size_t.
4328
4329 1998-03-11 Mark Mitchell <mmitchell@usa.net>
4330
4331 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
4332 TREE_VEC if that's what it really is.
4333
4334 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
4335
4336 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
4337 as per ISO C spec.
4338
4339 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
4340
4341 * gthr.h: Changed the comment about return values.
4342 * gthr-solaris.h (__gthread_once): Do not use errno; return the
4343 error number instead of -1.
4344 (__gthread_key_create): Any non-zero return value is an error.
4345 * libgcc2.c (eh_context_initialize): Check for non-zero return
4346 value from __gthread_once.
4347 Check that the value of get_eh_context was really changed.
4348
4349 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4350
4351 * sh.h (LOOP_ALIGN): Only align when optimizing.
4352 * sh.c (find_barrier): Clear inc for CODE_LABELs.
4353 When not optimizing, calculate alignment for BARRIERs directly.
4354
4355 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4356
4357 * final.c (shorten_branches): Remove conditionalizing on
4358 SHORTEN_WITH_ADJUST_INSN_LENGTH
4359 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
4360
4361 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
4362
4363 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
4364 an unconditional jump around deleted blocks.
4365
4366 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
4367
4368 * profile.c (branch_prob): If see computed goto, call fatal instead of
4369 abort.
4370
4371 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
4372
4373 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
4374 Patch from Bruno Haible.
4375
4376 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
4377 (assign_parms): Set aggregate if hide_last_arg and last_named.
4378
4379 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4380
4381 * final.c (shorten_branches): Initialize insn_addresses.
4382
4383 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4384
4385 * sh.h (MUST_PASS_IN_STACK): Define.
4386
4387 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
4388
4389 * final.c (shorten_branches): Fix minor logic error in
4390 ADDR_DIFF_VEC shortening support.
4391
4392 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
4393
4394 * version.c: Bump for snapshot.
4395
4396 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
4397
4398 * haifa-sched.c (is_cfg_nonregular): Change return type to
4399 an int. No longer compute "estimated" number of edges. Use
4400 computed_jump_p instead of duplicating the code. Fixup/add
4401 some comments.
4402 (build_control_flow): Returns a value indicating an irregularity
4403 in the cfg was detected. Count the number of edges in the cfg.
4404 allocate various edge tables.
4405 (find_rgns): No longer look for unreachable blocks.
4406 (schedule_insns): Do not allocate memory for edge tables here.
4407 Free memory for edge tables before returning. Do not perform
4408 cross block scheduling if build_control_flow returns nonzero.
4409 * flow.c (compute_preds_succs): More accurately determine when
4410 a block drops in.
4411
4412 * basic-block.h (free_basic_block_vargs): Provide prototype.
4413
4414 * cccp.c (main): Fix dumb mistakes in last change.
4415
4416 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4417
4418 * rtl.h (addr_diff_vec_flags): New typedef.
4419 (union rtunion_def): New member rt_addr_diff_vec_flags.
4420 (ADDR_DIFF_VEC_FLAGS): New macro.
4421
4422 * sh.c (output_branch): Fix offset overflow problems.
4423
4424 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
4425 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
4426 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
4427 * stmt.c (expand_end_case): Supply new arguments to
4428 gen_rtx_ADDR_DIFF_VEC.
4429 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
4430 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
4431 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
4432 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
4433 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
4434 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
4435 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
4436 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
4437 * i386/freebsd.h, i386/linux.h : Likewise.
4438 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
4439 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
4440 * m68k/mot3300.h, m68k/sgs.h : Likewise.
4441 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
4442 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
4443 (CASE_VECTOR_SHORTEN_MODE): Define.
4444 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
4445 (med_branch_p, braf_branch_p): Don't declare.
4446 (mdep_reorg_phase, barrier_align): Declare.
4447 (ADJUST_INSN_LENGTH): Remove alignment handling.
4448 * sh.c (uid_align, uid_align_max): Deleted.
4449 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
4450 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
4451 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
4452 (output_far_jump): Don't use braf_branch_p.
4453 (output_branchy_insn): Don't use branch_offset.
4454 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
4455 Remove paired barrier stuff.
4456 Don't use cache_align_p.
4457 Take alignment insns into account.
4458 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
4459 the addr_diff_vec.
4460 (barrier_align, branch_dest): New function.
4461 (machine_dependent_reorg, split_branches): Remove infrastructure
4462 for branch shortening that is now provided in the backend.
4463 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
4464 (braf_branch_p, braf_cbranch_p): Likewise.
4465 (attribute length): Use new attributes.
4466 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
4467 (addr_diff_vec_adjust): Delete.
4468 (align_2): Now a define_expand.
4469 (align_log): Now length 0.
4470
4471 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
4472
4473 * m32r.md (right): Correctly check for length == 2, not 1.
4474
4475 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4476
4477 * mips/mips.h: Prototype `machine_dependent_reorg'.
4478 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
4479
4480 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4481
4482 * final.c (shorten_branches): Restore accidentally removed code.
4483
4484 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4485
4486 * configure.in: Remove duplicate uses of AC_PROG_CC and
4487 AC_PROG_MAKE_SET.
4488
4489 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
4490
4491 * configure.in (target_cpu_default2): Correct typo for alphapca56.
4492
4493 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
4494 Doug Evans (devans@cygnus.com)
4495
4496 * haifa-sched.c (build_jmp_edges): Delete dead function.
4497 (build_control_flow): Use cfg routines from flow.c
4498 (schedule_insns): Remove debugging code accidentally checked
4499 in earlier today.
4500
4501 * basic-block.h: Add external integer list structures, typdefs,
4502 accessor macros and function declarations. Simlarly for
4503 basic block pred/succ support and simple bitmap stuff.
4504 * flow.c: Add functions for integer list, basic block pred/succ
4505 support and simple bitmap support.
4506 (compute_dominators): New function to compute dominators and
4507 post dominators.
4508 (find_basic_blocks): Split into two functions.
4509 (life_analysis): Likewise.
4510 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
4511 the life_analysis from toplev.c
4512 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
4513 life_analysis instead of flow_analysis.
4514
4515 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4516
4517 * jump.c (jump_optimize): Call mark_jump_label also for deleted
4518 insns.
4519 (mark_jump_label): Don't increment ref counts for deleted insns.
4520
4521 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4522
4523 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
4524
4525 * mips/mips.c: Include stdlib.h and unistd.h.
4526 (mips_asm_file_end): Add braces around empty body in an if-statement.
4527 (function_prologue): Wrap variable `fnname' in
4528 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
4529 (mips_select_rtx_section, mips_select_section): Declare as void.
4530
4531 * mips/mips.h: Add prototypes for extern functions in mips.c.
4532 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
4533 (ENCODE_SECTION_INFO): Add braces around empty body in an
4534 if-statement.
4535
4536 * mips/mips.md (movdi): Add parentheses around && within ||.
4537 (movsf, movdf): Likewise.
4538 (branch_zero, branch_zero_di): Add default case in
4539 enumeration switch.
4540
4541
4542 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
4543
4544 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
4545 real constants, since they can't be changed.
4546 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4547 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
4548 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4549 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4550 * alpha/vms.h (TARGET_OPEN_VMS): New.
4551 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
4552
4553 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
4554
4555 * reload.c (find_reloads): Always force (subreg (mem)) to be
4556 reloaded if WORD_REGISTER_OPERATIONS.
4557
4558 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
4559
4560 * haifa-sched.c (free_list): Rename from free_pnd_lst.
4561 (free_pending_lists): Rename free_pnd_lst uses.
4562 (remove_dependence): Place expunged element on unused_insn_list.
4563 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
4564 gen_rtx_*_LIST and alloc_rtx to use them.
4565 (compute_block_backward_dependences): Free the reg_last_* lists.
4566
4567 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
4568
4569 * cccp.c (main): Avoid undefined behavior when setting pend_includes
4570 and pend_files.
4571
4572 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4573
4574 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
4575 USE_GNULIBC_1 is defined
4576 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
4577 includes the t-linux-gnulibc1 fragment
4578
4579 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
4580
4581 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
4582
4583 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4584
4585 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
4586
4587 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4588
4589 * final.c (shorten_branches): Tag the loop alignment onto the
4590 first label after NOTE_INSN_LOOP_BEG even if there is an
4591 intervening insn.
4592
4593 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4594
4595 * final.c (insn_current_reference_address):
4596 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
4597 proper alignment chain.
4598
4599 * final.c (max_labelno): New static variable.
4600 (final_scan_insn): Check max_labelno before outputting an
4601 alignment for a label.
4602 (shorten_branches): Remove unused variable length_align.
4603
4604 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4605
4606 * sparc.c (ultrasparc_adjust_cost): Add default case in
4607 enumeration switch.
4608
4609 * sparc.h: Add prototypes for extern functions defined in
4610 sparc.c.
4611
4612 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
4613
4614 * toplev.c: Only generate <name>.dbr file when dumping RTL if
4615 DEALY_SLOTS is defined.
4616
4617 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
4618
4619 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
4620 in call to fill_slots_from_thread.
4621
4622 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
4623
4624 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
4625 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
4626
4627 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4628
4629 * final.c (insn_last_address, insn_current_align, uid_align):
4630 New variables.
4631 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
4632 (insn_current_reference_address): Likewise.
4633 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
4634 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
4635 (label_to_alignment): New function.
4636 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
4637 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
4638 insn_current_reference_address instead of insn_current_address.
4639 (or_attr_value, write_length_unit_log): New functions.
4640 (main): Call write_length_unit_log.
4641 (write_const_num_delay_slots): Output extra '\n'.
4642 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
4643 replace with:
4644 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
4645 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
4646 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
4647 (LOOP_ALIGN).
4648 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
4649 (LABEL_ALIGN_AFTER_BARRIER).
4650 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
4651 * ns32k/tek6000.h: Likewise.
4652 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
4653 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
4654 ASM_OUTPUT_ALIGN_CODE.
4655
4656 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
4657
4658 * version.c: Bump for snapshot.
4659
4660 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
4661
4662 * version.c: Bump for snapshot.
4663
4664 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
4665
4666 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
4667 if condition code of jump conflicts with opposite_needed.
4668
4669 * reorg.c (fill_slots_from_thread): Mark resources referenced in
4670 opposite_needed thread. Return delay_list even when cannot get
4671 any more delay insns from end of subroutine.
4672
4673 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
4674
4675 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
4676 All callers changed.
4677
4678 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4679
4680 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
4681 end_fde_sort): New functions for fast sorting of an FDE array.
4682 (fde_insert): Simplified.
4683 (add_fdes): Change argument list.
4684 (frame_init): Use the new functions.
4685
4686 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
4687
4688 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
4689
4690 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
4691
4692 * fold-const.c (fold_range_test): Always return a value.
4693
4694 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
4695
4696 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
4697 data in the text section unless READONLY_DATA_SECTION is defined.
4698
4699 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
4700
4701 * c-parse.in (undeclared variable error): Tweak error message to
4702 be clearer.
4703
4704 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
4705
4706 * version.c: Bump for snapshot.
4707
4708 1998-02-28 Mark Mitchell <mmitchell@usa.net>
4709
4710 * final.c (final_scan_insn): Undo overzealous removal of `set'.
4711
4712 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4713
4714 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
4715 case, add parentheses to specify the proper order of precedence in
4716 the if-statement.
4717
4718
4719 * c-aux-info.c: Include string.h/strings.h.
4720
4721 * pa.c: Include stdlib.h.
4722 (pa_combine_instructions): Prototype the function.
4723 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
4724 (reloc_needed): Add default case for enumeration switch.
4725 (remove_useless_addtr_insns): Remove unused variable `all'.
4726 (hppa_expand_prologue): Add explicit braces to avoid
4727 ambiguous `else'.
4728 (output_function_epilogue): Remove unused variable `i'.
4729 (output_millicode_call): Remove unused variable `link'.
4730 (shadd_constant_p, forward_branch_p): Make the function static.
4731 (following_call): Explicitly declare to return int.
4732 (pa_reorg): Declare as void.
4733 (pa_combine_instructions): Declare as static void. Add
4734 parentheses around && within ||.
4735
4736 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
4737 following_call, function_label_operand, lhs_lshift_cint_operand
4738 and zdepi_cint_p.
4739
4740 * pa.md: Add parentheses around && within ||.
4741
4742 * cppalloc.c: Include stdlib.h.
4743
4744 * cpperror.c (cpp_print_containing_files): Remove unused variable
4745 `i'. Fix format specifier in fprintf.
4746
4747 * cse.c (cse_around_loop): Add explicit braces to avoid
4748 ambiguous `else'.
4749 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
4750
4751 * expr.c (expand_expr): Add parentheses around && within ||.
4752
4753 * final.c (app_enable): Replace fprintf with fputs where there are
4754 no format specifiers and no trailing argument after the string.
4755 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
4756 (app_disable): Likewise.
4757 (final_end_function): Likewise.
4758 (final_scan_insn): Likewise. Remove unused variable `set'.
4759 (profile_function): Wrap empty if-statement body in {} brackets.
4760
4761 * function.c: Include stdlib.h.
4762 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
4763 (reposition_prologue_and_epilogue_notes): Add parentheses
4764 around assignment used as truth value.
4765
4766 * integrate.c (expand_inline_function): Wrap variable
4767 `cc0_insn' in macro HAVE_cc0.
4768
4769 * jump.c (jump_optimize): Wrap variable `q' in macro
4770 HAVE_cc0. Remove unused variable `prev1'.
4771
4772 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
4773 within ||. Fix format specifier in fprintf.
4774 (__bb_init_prg): Add parentheses around assignment used as
4775 truth value.
4776
4777 * local-alloc.c: Include stdlib.h.
4778 (requires_inout): Add parentheses around assignment used
4779 as truth value.
4780
4781 * loop.c (analyze_loop_iterations): Wrap prototype and definition
4782 in macro HAVE_decrement_and_branch_on_count.
4783 (insert_bct, instrument_loop_bct): Likewise.
4784 (move_movables): Add parentheses around assignment used as
4785 truth value.
4786 (consec_sets_invariant_p): Likewise.
4787 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
4788
4789 * objc/objc-act.c: Include stdlib.h.
4790 (lookup_method_in_protocol_list): Wrap empty else-statement body
4791 in braces.
4792 (lookup_protocol_in_reflist): Likewise.
4793 (objc_add_static_instance): Remove unused variables `decl_expr'
4794 and `decl_spec'.
4795 (get_objc_string_decl): Remove unused variable `decl'.
4796 (generate_static_references): Remove unused variables `idecl' and
4797 `instance'.
4798 (check_protocols): Wrap empty else-statement body in braces.
4799
4800 * protoize.c: Include stdlib.h.
4801 (substr): Add parentheses around assignment used as truth value.
4802 (abspath): Likewise.
4803 (shortpath): Likewise.
4804
4805 * regmove.c (fixup_match_1): Add parentheses around assignment
4806 used as truth value.
4807
4808 * reload.c (push_secondary_reload): Remove unused variable `i'.
4809 (find_reloads): Add parentheses around assignment used as truth
4810 value.
4811
4812 * reload1.c: Include stdlib.h.
4813
4814 * rtl.h: Correct typo in prototype of offsettable_memref_p.
4815
4816 * stmt.c (add_case_node): Add parentheses around assignment used
4817 as truth value.
4818 (case_tree2list): Likewise.
4819
4820 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
4821 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
4822 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
4823 (merge_attributes): Add explicit braces to avoid ambiguous
4824 `else'.
4825
4826 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
4827 macro HAVE_cc0.
4828
4829 * varasm.c: Include stdlib.h.
4830
4831
4832 * system.h: Remove sys/stat.h.
4833 * gcc.c: Add sys/stat.h.
4834
4835 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
4836 * genattrtab.c: Likewise.
4837 * genconfig.c: Likewise.
4838 * genemit.c: Likewise.
4839 * genextract.c: Likewise.
4840 * genflags.c: Likewise.
4841 * genopinit.c: Likewise.
4842 * genoutput.c: Likewise.
4843 * genpeep.c: Likewise.
4844 * genrecog.c: Likewise.
4845 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
4846
4847 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4848
4849 * invoke.texi: Use @itemx for a secondary item in a @table.
4850
4851 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
4852 zero.
4853
4854 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
4855
4856 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
4857
4858 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
4859
4860 * i386.c (struct machine_function): Add new fields for PIC stuff.
4861 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
4862 and pic_label_name.
4863 (restore_386_machine_status): Corresponding changes.
4864 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
4865
4866 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
4867
4868 * c-parse.y (undeclared variable error): Tweak error message
4869 to be clearer.
4870
4871 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
4872
4873 * flags.h (g_switch_value, g_switch_set): Declare.
4874 * alpha.c (override_options): Set g_switch_value=8 if not set.
4875 * alpha/elf.h (CC1_SPEC): New.
4876 (ASM_SPEC): New.
4877 (LINK_SPEC): Pass along the -G value we were given.
4878 (LOCAL_ASM_OP): Remove.
4879 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
4880 (MAX_OFILE_ALIGNMENT): New.
4881 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
4882 (EXTRA_SECTIONS): Add sbss and sdata.
4883 (SECTION_FUNCTION_TEMPLATE): New.
4884 (EXTRA_SECTION_FUNCTIONS): Use it.
4885 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4886 (SELECT_SECTION): Use sdata when small enough.
4887 * alpha/linux.h (ASM_SPEC): Remove.
4888
4889
4890 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4891 * config.sub (sco5): Fix typo.
4892
4893 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
4894
4895 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
4896 set to empty.
4897 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
4898 * config/alpha/t-linux: Remove file.
4899 * config/sparc/t-linux: Remove file.
4900 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
4901 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
4902 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
4903 for tmake_file.
4904 (alpha*-*-linux-gnu*): Likewise.
4905 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
4906 (sparc-*-linux-gnu*): Likewise.
4907
4908 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
4909 * collect2.c (ldd_file_name): Bracket declaration with same
4910 manifests as use.
4911 (full_real_ld_suffix): Deleted. Variable was calloced and
4912 written into, but never read.
4913
4914 1998-02-23 Mike Stump <mrs@wrs.com>
4915
4916 * configure.in: Add support for i386-wrs-vxworks configuration.
4917 * i386/vxi386.h: New file.
4918
4919 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4920
4921 * tree.c (contains_placeholder_p): Ensure function always returns
4922 a value.
4923 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
4924 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
4925
4926 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
4927
4928 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
4929
4930 1998-02-22 Paul Eggert <eggert@twinsun.com>
4931
4932 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
4933 Define this new symbol.
4934 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
4935 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
4936 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
4937
4938 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
4939
4940 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
4941 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
4942
4943 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
4944
4945 * objc/Object.m (-error): Call objc_verror with our va_list.
4946
4947 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4948
4949 * collect2.c (scan_prog_file): Completely cover uses of variable
4950 `exports' with macro COLLECT_EXPORT_LIST.
4951
4952 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
4953
4954 * version.c: Bump for snapshot.
4955
4956 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
4957
4958 * sched.c (schedule_block): Remove code to get arguments from hard
4959 regs into pseudos early. Same as Aug 25, 1997 change to
4960 haifa-sched.c.
4961
4962 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
4963
4964 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
4965
4966 1998-02-16 Mark Mitchell <mmitchell@usa.net>
4967
4968 * toplev.c (rest_of_compilation): Do not defer the output of a
4969 nested function.
4970
4971 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
4972
4973 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
4974 continuation character (line 243).
4975
4976 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4977
4978 * genrecog.c (main): Remove duplicated sentence in emitted comment.
4979
4980 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
4981 David Edelsohn <edelsohn@mhpcc.edu>
4982
4983 * collect2.c (XCOFF_SCAN_LIBS): Remove.
4984 (export_flag): New variable.
4985 (export_file): #ifdef COLLECT_EXPORT_LIST.
4986 (import_file, exports, imports, undefined): New variables.
4987 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
4988 (dump_list, dump_prefix_list, is_in_list): New functions.
4989 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
4990 (write_import_file, resolve_lib_name): New functions.
4991 (use_import_list, ignore_library): Same.
4992 (collect_exit): maybe_unlink import_file and #ifdef.
4993 (handler): Same.
4994 (main): New variable importf, #ifdef exportf. Move parsing of
4995 -shared before general argument parsing. Resolve AIX library
4996 paths and import libgcc.a symbols. Treat .so shared libraries the
4997 same as objects and .a libraries. Create alias for object_lst and
4998 increment it instead of original pointer. Scan AIX libraries as
4999 objects earlier instead of using scan_libraries. Perform AIX
5000 tlink later to resolve templates instead of forking ld.
5001 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
5002 (GCC_UNDEF_SYMBOL): New macro.
5003 (scan_prog_file): Loop for members of AIX libraries. Handle
5004 export/import of ctors/dtors.
5005 (aix_std_libs): New variable.
5006 (scan_libraries, XCOFF): Delete.
5007
5008 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
5009
5010 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
5011
5012 1998-02-19 Mike Stump <mrs@wrs.com>
5013
5014 * Makefile.in: Use $tooldir for sys-include to match toplevel
5015 configure.
5016
5017 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
5018 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5019
5020 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
5021
5022 * emit-rtl.c (hard-reg-set.h): Include.
5023 (get_lowpart_common): Don't make new REG for hard reg in a
5024 class that cannot change size.
5025 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
5026
5027 * combine.c: Revert previous patch.
5028
5029 1998-02-19 Paul Eggert <eggert@twinsun.com>
5030
5031 * config/sparc/sol2-sld.h: New file.
5032 * configure.in (sparc-*-solaris2*): Use it when using the
5033 system linker.
5034
5035 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
5036
5037 * loop.c (force_movables): Fix typo.
5038
5039 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5040
5041 * m88k.h: Change file pattern to match reality.
5042
5043 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
5044
5045 * varasm.c (output_constant_pool): Fix dumb thinko in last
5046 change.
5047
5048 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5049 a function name to a section name.
5050
5051 1998-02-18 Doug Evans <devans@cygnus.com>
5052
5053 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5054 (split_specs_attrs, strip_attrs): Add prototypes.
5055 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5056 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5057 Update olddecl's attributes too.
5058 * c-common.c (strip_attrs): New function.
5059 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5060 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5061 (make_decl_rtl): Likewise.
5062
5063 1998-02-18 Jim Wilson <wilson@cygnus.com>
5064
5065 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5066
5067 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5068
5069 Remove this change until we can fix it correctly.
5070 * collect2.c: Bracket declaration of 'exportf' and
5071 'full_real_ld_suffix'.
5072
5073 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5074
5075 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5076
5077 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5078
5079 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5080 c_expand_start_else): Don't warn about non-ambiguous else even if
5081 braces are missing.
5082
5083 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
5084
5085 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
5086 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
5087 instead.
5088
5089 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
5090
5091 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
5092 simplifying a subreg of a hard reg.
5093 (expand_compound_operation): Likewise.
5094 (force_to_mode): Likewise.
5095
5096 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5097
5098 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
5099 (lshift_double): Add parentheses around + or - inside shift.
5100 (rshift_double): Likewise.
5101 (size_int_wide): Explicitly set type of `bit_p' to `int'.
5102
5103 * Makefile.in (fold-const.o): Depend on system.h.
5104
5105 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
5106 change to gcc.c.
5107
5108 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
5109 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5110 (sched_note_set): Remove unused parameter `b', all callers changed.
5111 (schedule_block): Likewise for `rgn'.
5112 (split_hard_reg_notes): Likewise for `orig_insn'.
5113 (check_live): Likewise for `trg'.
5114 (update_live): Likewise.
5115 (check_live_1): Explcitly declare variable `i' as int.
5116 (update_live_1): Likewise.
5117 (insn_issue_delay): Remove unused variable `link'.
5118 (sched_analyze_2): Add default case in enumeration switch.
5119 (schedule_insns): Remove unused variable `i'.
5120
5121 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
5122
5123 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
5124
5125 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
5126 a dangling else clause.
5127
5128 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
5129
5130 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
5131 pointer for the stack pointer in MIPS16 and 64BIT.
5132
5133 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5134
5135 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
5136 * emit-rtl.c (force_line_numbers, restore_line_number_status):
5137 New functions.
5138 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
5139 (expand_start_case): Adjust to this change.
5140 (check_seenlabel): New function.
5141 (pushcase, pushcase_range, expand_endcase): Use it.
5142
5143 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5144
5145 * i386.md (adddi3): Add =!r,0,0,X alternative.
5146
5147 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5148
5149 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
5150 * x-aix31 (INSTALL): Delete.
5151
5152 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
5153
5154 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
5155 tsize changes to something other than zero.
5156
5157 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
5158
5159 * ginclude/va-mips.h: Replace casts of pointers to int with
5160 casts of pointers to __PTRDIFF_TYPE__.
5161
5162 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
5163
5164 * loop.c (strength_reduce, record_biv, record_giv): Use
5165 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
5166
5167 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
5168
5169 * tree.c (first_rtl_op): New fn.
5170 (unsave_expr_now): Use it.
5171 * print-tree.c (print_node): Likewise.
5172 * tree.c (has_cleanups): New fn.
5173 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
5174 conservative about pushing the cleanup point down.
5175 * tree.h: Declare them.
5176
5177 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
5178
5179 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
5180 (flag_schedule_reverse_after_reload): Likewise.
5181 (f_options): Remove reverse scheduling support.
5182 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
5183 (flag_schedule_reverse_after_reload): Likewise.
5184 * haifa-sched.c (rank_for_schedule): Remove support for reverse
5185 scheduling.
5186
5187 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5188
5189 * gcc.c: Get system includes, prototypes and macros via "system.h"
5190 instead of doing it manually. Change all calls of the ctype
5191 macros to custom versions defined in "system.h".
5192
5193 * system.h: Fix return type of bcmp prototype from `void' to `int'.
5194 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
5195 Add a prototype for getenv.
5196
5197 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
5198
5199 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
5200
5201 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
5202
5203 * alias.c: Include <stdlib.h> and <string.h>.
5204 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
5205
5206 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
5207
5208 * version.c: Bump for snapshot.
5209
5210 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
5211
5212 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5213 float.
5214 (movdfcc): Only accept fpu_add_operand for operands[3].
5215
5216 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
5217 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
5218
5219 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
5220
5221 * varasm.c (output_constant_pool): Bring back 'done' label inside
5222 an appropriate #ifdef.
5223
5224 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
5225 appropriate #ifdef.
5226 (bitmap_copy, bitmap_operation): Likewise.
5227 * combine.c (combinable_i3pat): Similarly for 'src'.
5228 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
5229 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
5230 * regclass.c (copy_cost): Similarly for 'secondary_class'.
5231 * reload.c (make_memloc): Simliarly for 'i'.
5232 (find_reloads_address_1): Similarly for 'link'.
5233 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
5234 (emit_reload_insns): Similarly for 'second_reloadreg'.
5235 * unroll.c (iteration_info): Similarly for 'v'.
5236
5237 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
5238 * calls.c (expand_call): Similarly for 'i'.
5239 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
5240 * fold-const.c (strip_compund_expr): Similarly for 'type'.
5241 * function.c (fixup_var_refs_1): Similarly for 'width'.
5242 (fixup_memory_subreg): Similarly for 'saved'.
5243 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
5244 (setjmp_protect): Similarly for 'sub'.
5245 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
5246 * loop.c (record_giv): Similarly for 'p'.
5247 (combine_givs): Similarly for 'temp_iv'.
5248 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
5249 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
5250 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
5251 * unroll.c (unroll_loop): Similarly for 'copy'.
5252 (iteration_info): Similarly for 'b'.
5253 * varasm.c (assemble_string): Similarly for 'i'.
5254 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
5255
5256 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
5257
5258 * c-lang.c (lang_print_xnode): New function.
5259 * objc/objc-act.c (lang_print_xnode): Likewise.
5260 * print-tree.c (print_node): Call it
5261
5262 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
5263
5264 * dwarf2out.c (decl_scope_node): New type.
5265 (decl_scope_table): Change type to use it.
5266 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
5267 (push_decl_scope): Use new type. New locals containing_scope, i.
5268 Add code to handle setting previous field.
5269 (scope_die_for): Change type of local i to int. Add code to use
5270 previous field.
5271 (dwarf2out_init): Use new type.
5272
5273 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
5274
5275 * except.c (emit_throw): Lose throw_used.
5276
5277 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5278
5279 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
5280 was deleted.
5281 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
5282
5283 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
5284
5285 * genextract.c (main): Fix typo.
5286
5287 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
5288
5289 * c-lang.c (finish_file): Bracket declaration of static_ctors,
5290 static_dtors.
5291
5292 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
5293 'old_stack_arg_under_construction'
5294 (emit_library_call): Bracket declaration of 'upper_bound',
5295 'lower_bound', 'i', 'reg_parm_stack_space'
5296 (emit_library_call_value): Likewise.
5297 (store_one_arg):
5298
5299 * collect2.c: include <unistd.h> when appropriate.
5300 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
5301
5302 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
5303
5304 * explow.c (plus_constant_for_output_wide): Remove unused variable
5305 'code'.
5306 (memory_address): Remove unused variable 'orig_x'.
5307
5308 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
5309 (write_const_num_delay_slots): Remove unused variable 'i'.
5310
5311 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
5312 (gen_insn): Remove unused variable 'obstack_ptr'.
5313
5314 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
5315 'j', 'tmp', 'i'.
5316 (__bb_exit_trace_func): Remove unused variable 'e'.
5317
5318 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
5319 'funexp'.
5320 (expand_unop): Remove unused variable 'funexp'.
5321 (expand_complex_abs): Remove unused variable 'funexp'.
5322 (init_optabs): Bracket declaration of 'j'.
5323 (init_complex_libfuncs): Deleted. Dead static function.
5324
5325 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
5326
5327 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
5328 (reg_to_stack): 'initialized', 'before_function_beg'
5329 explictly type as ints instead of defaulting.
5330 (emit_swap_insn): Remove unused variable 'i2'.
5331 (compare_for_stack_reg): Remove unused variable 'src_note'.
5332
5333 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
5334
5335 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
5336
5337 * stmt.c (add_case_node): Add parens for assignment used as truth.
5338 (all_cases_count): Remove unused variable 'count_high'.
5339 (mark_seen_cases): Remove unused variable 'i'.
5340 (check_for_full_enumeration_handling): Remove unused variable 't'.
5341 Bracket declaration of 'all_values', 'l'.
5342
5343 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
5344
5345 * varasm.c (assemble_string): Remove unused variable 'i'.
5346 (immed_double_const): Remove unused variable 'in_current_obstack'.
5347 (immed_real_const_1): Likewise.
5348 (output_constant_pool): Remove unreferenced label 'done'.
5349 (output_constant): Remove unused variable 'x'.
5350
5351 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
5352 a string.
5353
5354 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
5355 as truth.
5356
5357 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5358
5359 * combine.c (can_combine_p): Handle USEs in PARALLELs.
5360
5361 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
5362
5363 * config/linux.h (LIB_SPEC): Add -lc for -shared if
5364 USE_GNULIBC_1 is not defined.
5365 * config/sparc/linux.h; Ditto.
5366
5367 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
5368
5369 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
5370 USE_GNULIBC_1 is not defined.
5371
5372 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5373
5374 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
5375 for -mcall-linux
5376
5377 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5378
5379 * system.h: New file to get common systems includes and various
5380 definitions and declarations based on autoconf macros.
5381
5382 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
5383
5384 * cccp.c (new_include_prefix): Correctly handle -I./.
5385
5386 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
5387
5388 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
5389
5390 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
5391
5392 * expr.c (expand_assignment): Correct typo exposed by -Wall.
5393 offset should have been a truth value, not an assignment.
5394
5395 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
5396
5397 * cse.c (delete_dead_from_cse): If a libcall produces a constant
5398 result and that result can be substituted into SET_SRC of the
5399 insn with the REG_RETVAL note, then perform the substitution
5400 and delete the libcall.
5401
5402 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
5403
5404 * mips.md (trucndihi2,truncdiqi2): Change these to support
5405 mips16.
5406
5407 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
5408
5409 * mips/mips.c (movdi_operand): Direct referances to symbols
5410 that arn't mips16 consts in mips16 mode arn't valid operands.
5411
5412 * mips/mips.c (mips_move_2words): Add gprel handling.
5413
5414 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
5415
5416 * mips.md (extendsidi2): Allow extension to/from a non-mips16
5417 register.
5418
5419 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
5420
5421 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
5422 <strings.h>.
5423
5424 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425
5426 * Makefile.in (WARN_CFLAGS): New variable.
5427 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
5428
5429 1998-02-11 Mark Mitchell <mmitchell@usa.net>
5430
5431 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
5432 falling through default case in switch.
5433 (i386_aligned_p): Likewise.
5434
5435 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
5436
5437 * mips/mips.h (mips_abi_string): Correct typo in comment.
5438
5439 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
5440
5441 * mips/mips.md (movdi): These PLUS's need to be Pmode.
5442
5443 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5444
5445 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
5446 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
5447 indirectly via expr.h.
5448
5449 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
5450
5451 * stor-layout.c (layout_type): Do upper - lower in the native type,
5452 so as to properly handle negative indices.
5453
5454 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
5455
5456 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
5457 (expand_eh_region_start_tree): Remove unused variable 'note'.
5458 (exception_optimize): Remove unused variable 'regions'.
5459 (expand_builtin_eh_stub): Remove unused variable 'temp'.
5460 (copy_eh_entry): Deleted. Dead function.
5461
5462 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
5463 'last' with same #if HAVE_load_multiple as use of it.
5464 (move_block_from_reg): Likewise.
5465 (emit_move_insn_1): Remove unused variable 'insns'.
5466 (store_constructor): Bracket declaration of startb, endb with
5467 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
5468 'target', and 'xtarget'.
5469 (expand_builtin_setjmp): Remove unused variables 'op0',
5470 'next_arg_reg', 'old_inhibit_defer_pop'.
5471 (expand_builtin): Remove unused variable 'offset'.
5472 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
5473 (emit_queue): Add parens for assignment used as conditional.
5474 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
5475
5476 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
5477
5478 * i386.c: Added include for recog.h.
5479 (override_options): Removed unused variable p. Initialized regno to
5480 avoid warning.
5481 (order_regs_for_local_alloc): Initialized regno to avoid warning.
5482 (legitimize_address): Likewise for 'other'.
5483 (i386_aligned_reg_p): Added default case with abort ().
5484 (print_operand): Likewise.
5485 (reg_mentioned_in_mem): Likewise.
5486 (ix86_expand_binary_operator): Removed unused variables i & insn.
5487 (ix86_expand_unary_operator): Removed unused variable insn.
5488 (output_fp_cc0_set): Removed unused variable unordered_label.
5489
5490 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
5491
5492 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
5493 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
5494 and format string match.
5495
5496 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
5497
5498 * flow.c (life_analysis): Do not conside the stack pointer live at
5499 the end of a function if the fucntio ncalls alloca.
5500 (mark_used_regs): Similarly.
5501
5502 1998-02-10 John F Carr <jfc@mit.edu>
5503
5504 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
5505 1, fzero on alternative 8.
5506
5507 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5508
5509 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
5510
5511 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5512
5513 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
5514 SUBREGs of CONST_INTs.
5515
5516 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
5517
5518 * mips.c (print_operand, function_prologue): Make printf format
5519 match argument type.
5520
5521 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5522
5523 * alpha.c (alpha_return_addr): Remove unused variable `first'.
5524 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
5525 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
5526
5527 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5528
5529 * loop.c (strength_reduce): When placing increment for auto-inc
5530 case, do comparison in loop order.
5531
5532 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
5533
5534 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
5535 not a HOST_WIDE_INT.
5536
5537 * calls.c (expand_call): Change test of expand_inline_function
5538 return value to stop compiler warning.
5539
5540 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
5541
5542 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
5543 Jeff Law (law@cygnus.com)
5544
5545 * regmove.c: Fix various minor formatting problems.
5546 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
5547 is true. Make end of basic block tests consistent through regmove.c.
5548 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
5549 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
5550
5551 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5552
5553 * gansidecl.h: Check for a conflicting macro definition before
5554 attempting to prototype bcopy, bcmp or bzero.
5555
5556 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
5557
5558 * expr.c (clear_pending_stack_adjust): Handle case where a function
5559 calls alloca, but the user has specified -fomit-fframe-pointer.
5560
5561 * function.c (assign_parms): Fix typo in last change.
5562
5563 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
5564
5565 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
5566 <fcntl.h>.
5567 (free_path_suffix): Remove unreferenced static function.
5568 (process_command): Remove unused variable temp.
5569 (default_arg): Remove unused variable i.
5570 (do_spec_1): Add parens for assignment used as truth value.
5571 (main): Likewise.
5572 (validate_all_switches): Likewise.
5573 (main): Remove unused variables i, first_time>
5574
5575 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
5576
5577 * calls.c (expand_call): Remove unused variables funtree,
5578 n_regs, and tmpmode.
5579
5580 * dbxout.c, except.c: Include <string.h>/<strings.h>.
5581
5582 * explow.c: (plus_constant_for_output_wide) Removed unused
5583 variable all_constant.
5584
5585 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
5586 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
5587 genrecog.c, global.c, integrate.c , stupid.c : Include
5588 <stdlib.h>.
5589
5590 * genextract.c: (walk_rtx) Remove unused variable link.
5591
5592 * genrecog.c: (concat) Remove unreferenced static function.
5593
5594 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
5595
5596 * stmt.c: Include <stdlib.h>.
5597 (expand_asm_operands): Remove unused variable val1.
5598 (expand_return): Remove unused variable block.
5599 (pushcase): Remove unused variables l and n.
5600 (pushcaserange): Likewise.
5601
5602 * unroll.c (unroll_loop): Remove unused variable temp.
5603
5604 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
5605
5606 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
5607
5608 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5609
5610 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
5611 functions for whether they support the %p format specifier.
5612 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
5613 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
5614 * configure, config.in: Rebuild.
5615
5616 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
5617
5618 * function.c (assign_parms): New variable named_arg, with value
5619 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
5620
5621 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
5622
5623 * mips/t-r3900: New - same as t-ecoff but eliminate
5624 multilibs: mips1 and mips3.
5625 * configure.in (tx39*): Use new mips/t-r3900.
5626 * configure: Rebuild.
5627 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
5628
5629 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
5630
5631 * dwarf2out.c: Add old_args_size.
5632 (dwarf2out_args_size): Use it.
5633 (dwarf2out_begin_prologue): Initialize it.
5634 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
5635 pushed args until we see a call.
5636 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
5637 before outputting them.
5638
5639 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
5640
5641 * cplus-dem.c (demangle_template_template_parm): New function.
5642 (demangle_template): Handle template template parameters.
5643
5644 1998-02-02 Mark Mitchell <mmitchell@usa.net>
5645
5646 * calls.c (expand_call): Don't confuse member functions named
5647 realloc, setjmp, and so forth with the standard library
5648 functions of the same names.
5649
5650 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
5651
5652 * stmt.c (expand_asm_operands): Correctly identify asm statements
5653 no output operands.
5654
5655 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5656
5657 * c-common.c (decl_attributes): Flag unrecognized attribute
5658 functions as warnings instead of as errors.
5659
5660 1998-02-05 Marc Lehmann <pcg@goof.com>
5661
5662 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
5663 when -Os is specified.
5664 * toplev.c (main): Don't disable flag_inline_functions anymore when
5665 -Os is in effect.
5666
5667 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5668
5669 * regmove.c: Update.
5670 * flags.h (flag_regmove): Declare.
5671 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
5672 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
5673 Moved into regmove; changed caller.
5674 * toplev.c (rest_of_compilation): Call regmove_optimize also for
5675 expensive_optimizations.
5676
5677 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
5678
5679 * version.c: Bump for snapshot.
5680
5681 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5682 Undo this change (the problem was actually in reload):
5683 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5684
5685 * sh.md (movqi_i+1): New peephole.
5686
5687 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
5688
5689 * jump.c (jump_optimize): Lose calls to modified_in_p they are
5690 not needed anymore due to changes elsewhere in jump.c.
5691
5692 * jump.c (jump_optimize): Fix first arg to modified_in_p in
5693 previous change.
5694
5695 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
5696
5697 * expr.c (expand_builtin_setjmp): Accept two new arguments for
5698 the labels to branch to on first and subsequent executions. Don't
5699 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
5700 and provide it with the jmp_buf. Use only one of
5701 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
5702 and provide the former with the target label.
5703 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
5704 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
5705 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
5706 insn to replace all of the normal nonlocal_goto code. Don't play
5707 with __dummy. Correct arguments to nonlocal_goto.
5708 * expr.h (expand_builtin_setjmp): Update prototype.
5709 * except.c (start_dynamic_handler): When using builtin_setjmp,
5710 generate more accurate flow information.
5711
5712 * alpha.md (nonlocal_goto_receiver_osf): Delete.
5713 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
5714 (builtin_longjmp, builtin_setjmp_receiver): New.
5715 * sparc.md (update_return): Disambiguate unspec number.
5716 (nonlocal_goto): Rearrange arguments to match caller in except.c.
5717 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
5718 jmp_buf operand.
5719 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
5720 (builtin_setjmp_setup*, builtin_longjmp): New.
5721
5722 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
5723
5724 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
5725
5726 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
5727
5728 * vmsconfig.com: Remove bytecode references.
5729
5730 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5731
5732 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
5733 -fno-sjlj-exceptions works for a target that defines
5734 DWARF2_UNWIND_INFO as zero.
5735
5736 * regmove.c (fixup_match_1): Undo last change which removed some
5737 "useless" code, and add a comment explaining this.
5738
5739 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
5740
5741 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
5742 to TARGET_LONG64.
5743
5744 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
5745
5746 * makefile.vms: Remove bytecode references.
5747 Create genrtl files.
5748
5749 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5750
5751 * jump.c (jump_optimize): Allow conditional loading of floating point
5752 constants and constants from memory. Reinstalled modified_in_p tests.
5753
5754 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5755
5756 * loop.c (get_condition): Handle sign-extended constants.
5757
5758 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
5759
5760 * expr.c (emit_push_insn): Add code to use movstrti if present.
5761
5762 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
5763 and movstrqi as in emit_block_move ().
5764
5765 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5766
5767 * config/m68k/x-next: Remove /NextDeveloper/Headers from
5768 the directories to fixinclude - /usr/include is a link
5769 to it and hence its contents are fixed by default.
5770
5771 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5772
5773 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
5774
5775 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
5776
5777 * cccp.c (main): Predefine __VMS_VER on VMS.
5778
5779 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5780
5781 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
5782 * fold-const.c (size_int): Replace with
5783 (size_int_wide).
5784 (make_bit_field_ref): Use bitsize_int for bit position.
5785 * stor-layout.c (sizetype): Delete.
5786 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
5787 (layout_record, layout_union, layout_type):
5788 Use bitsize_int for bit size.
5789 (set_sizetype): New function.
5790 (make_signed_type, make_unsigned_type): Use it.
5791 * c-decl.c (init_decl_processing): Likewise.
5792 * tree.h (size_int): Don't delcare, #define.
5793 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
5794 (set_sizetype): Declare.
5795 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
5796 Define.
5797 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
5798 Convert result to sizetype.
5799 (really_start_incremental_init, push_init_level):
5800 Set type of constructor_bit_index to sbitsizetype.
5801 (push_init_level): Use unsigned arithmetic to determine padding.
5802 (output_init_element): Likewise.
5803
5804 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
5805
5806 * combine.c (simplify_shift_const): Fix typo in last change.
5807
5808 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
5809
5810 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
5811 is (truncate (lshiftrt)).
5812
5813 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
5814
5815 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
5816 Make sure result winds up in TGT.
5817 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
5818 src to be other than DImode.
5819 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
5820 (alpha_expand_unaligned_store_words): Likewise.
5821 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
5822 that source and destination are separately optimized for alignment.
5823 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
5824
5825 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
5826
5827 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
5828 with handling of -32768.
5829
5830 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5831
5832 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
5833 shell variable argument instead of only hard coded functions.
5834 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
5835
5836 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
5837 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
5838 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
5839 declarations for bcopy, bcmp and bzero.
5840
5841 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
5842
5843 * gansidecl.h: If we have bcopy but don't declare it, then do so.
5844 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
5845 bzero, index and rindex if they aren't already present.
5846
5847 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
5848
5849 * toplev.c (close_dump_file): Wrap function prototype for
5850 argument "func" in PROTO.
5851 (dump_rtl): Likewise.
5852
5853 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
5854
5855 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
5856 MASK_V8PLUS.
5857 (output_function_epilogue): Omit epilogue if nothing drops through.
5858 (output_move_double): Supress int ldd usage on ultrasparc and v9.
5859 (registers_ok_for_ldd_peep): Likewise.
5860 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
5861 (ultrasparc_adjust_cost): New function.
5862 (sparc_issue_rate): New function.
5863 * sparc.h (MASK_VIS, TARGET_VIS): New
5864 (MASK_V8PLUS, TARGET_V8PLUS): New.
5865 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
5866 (TARGET_SWITCHES): Add vis and v8plus.
5867 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
5868 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
5869 (RTX_COSTS): Use TARGET_HARD_MUL
5870 (ADJUST_COST): Call ultrasparc_adjust_cost.
5871 (ISSUE_RATE): New.
5872 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
5873 of load & fp appropritely.
5874 (supersparc function units): Adjust for Haifa.
5875 (ultrasparc function units): Likewise.
5876 (get_pc_via_rdpc): All v9, not just arch64.
5877 (movdi_v8plus, movdi_v8plus+1): New.
5878 (adddi3_sp32+1): New.
5879 (subdi3_sp32+1): New.
5880 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
5881 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
5882 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
5883 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
5884 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
5885 (ldd peepholes): Suppress for v9.
5886 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
5887 (return_subsi): Revmove.
5888
5889 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
5890
5891 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
5892 save/restore MEM rtl.
5893
5894 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
5895
5896 * configure.in: Check for declaration of abort.
5897 * acconfig.h: Corresponding changes.
5898 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
5899 be declared.
5900
5901 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
5902
5903 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
5904 uses it.
5905
5906 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
5907
5908 * version.c: Bump for snapshot.
5909
5910 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
5911
5912 * configure.in: Check for atoq and atoll.
5913 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
5914 proper routine for converting ascii into long long values.
5915
5916 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
5917
5918 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
5919
5920 * vmsconfig.com: Remove bytecode references.
5921
5922 * alpha/vms.h (PREFIX): Define.
5923
5924 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5925
5926 * am-alpha.h: Don't include alloca for OPEN_VMS.
5927
5928 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
5929
5930 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
5931 (GCC_INCLUDE_DIR): Define
5932
5933 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
5934 * makefile.vms: New file.
5935
5936 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
5937
5938 * alpha.c (output_prolog): Output '.name' directive
5939 for minimal traceback information.
5940
5941 * alpha.c (output_prolog): Don't prepend entry point symbols
5942 with '$' on OPEN_VMS.
5943
5944 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
5945 Jeffrey A Law (law@cygnus.com)
5946
5947 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
5948 HOST_WIDE_INT.
5949
5950 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
5951 as needed.
5952 * genemit.c (gen_exp): Likewise.
5953 * genpeep.c (match_rtx): Likewise.
5954 * genrecog.c (write_tree_1): Likewise.
5955
5956 * c-lex.c (yyprint): Use proper format string based upon
5957 disposition of HOST_BITS_PER_WIDE_INT.
5958 (yylex): Put casts in right place for args to build_int_2.
5959
5960 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
5961
5962 * combine.c: Fix typos in Jan27 changes.
5963
5964 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
5965
5966 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
5967 (LINK_SPEC): Likewise.
5968 (STARTFILE_SPEC): Likewise.
5969
5970 1998-01-28 Mike Stump <mrs@wrs.com>
5971
5972 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
5973 reload completes.
5974 * genattrtab.c (reload_completed): Define.
5975
5976 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
5977 comments.
5978
5979 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5980
5981 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
5982 SUBREG_REG if the word count is unchanged, also in the input reload
5983 case. Disable non-applicable sanity checks.
5984
5985 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
5986
5987 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
5988
5989 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
5990
5991 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
5992
5993 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
5994
5995 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
5996 is a TREE_VEC before trying to use it for baseclasses.
5997 (Chill uses the same field for a different purpose.)
5998
5999 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
6000
6001 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
6002
6003 * config.sub: More accurate determination of HP processor types.
6004
6005 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6006
6007 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
6008 prototype for `handle_sysv_pragma', and make it static. Add
6009 parentheses around assignment used as truth value.
6010
6011 * combine.c (combine_instructions): Protect variable `prev' with
6012 macro HAVE_cc0.
6013 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
6014 (extract_left_shift): Add parentheses around operand of &.
6015 (merge_outer_ops): Avoid an empty body in an else-statement.
6016 (gen_rtx_combine): Remove unused variable `i'.
6017
6018 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
6019 function monstartup `void'. Likewise for internal_mcount. Add
6020 `static void' prototype for moncontrol. Reconcile sprintf format
6021 vs. args.
6022
6023 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
6024 Make return type of function_arg_slotno explicitly `int'.
6025 (reg_unused_after): Add parentheses around assignment used as
6026 truth value.
6027 (save_regs): Add explicit braces to avoid ambiguous `else'.
6028 (function_arg_slotno): Add parentheses around && within ||.
6029 (function_arg_pass_by_reference): Likewise.
6030 (sparc_flat_output_function_prologue): Reconcile fprintf format
6031 vs. args.
6032
6033 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6034 assignment used as truth value.
6035
6036 * cplus-dem.c: Include <stdlib.h>.
6037 (demangle_signature): Avoid an empty body in an else-statement.
6038 (do_type): Remove unused variable `lvl'.
6039
6040 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
6041 Include <string.h>/<strings.h>.
6042 (cpp_lex): Remove unused variable `namelen'.
6043 (cpp_lex): Explicitly declare `num_chars' as an int.
6044
6045 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
6046 <unistd.h> instead. Explicitly declare is_system_include
6047 returning int.
6048 (make_assertion): Remove unused variable `kt'.
6049 (cpp_expand_to_buffer): Hide variable `obuf'.
6050 (output_line_command): Remove unused variables, `line_end',
6051 `line_cmd_buf' and `len'.
6052 (macarg): Remove unused variable `arg_start'.
6053 (special_symbol): Remove unused variable `i'. Add parentheses
6054 around assignment used as truth value.
6055 (do_include): Remove unused variables `pcfname' and `retried',
6056 hide `pcf' and `pcfbuflimit'.
6057 (do_line): Remove unused variable `i'.
6058 (finclude): Hide variable `missing_newline'.
6059 (cpp_handle_options): Remove unused variable `j'.
6060 (read_token_list): Remove unused variable `eofp'.
6061 (cpp_error_with_line): Remove unused variable `i'.
6062 (cpp_warning_with_line): Likewise.
6063 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6064 (cpp_error_from_errno): Remove unused variable `i'.
6065
6066 * cse.c (invalidate): Add parentheses around assignment used as
6067 truth value.
6068 (find_best_addr): Move declaration of variable `our_cost' inside
6069 the conditional macro where its used.
6070 (fold_rtx): Avoid an empty body in an if-statement.
6071 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6072 `this_insn_cc0' in macro HAVE_cc0.
6073
6074 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6075 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6076 (output_uleb128): Likewise.
6077 (output_sleb128): Likewise.
6078 (output_cfi): Likewise.
6079 (output_call_frame_info): Remove unused variables `j', `fde_size'
6080 and `fde_pad'.
6081 (comp_unit_has_inlines): Hide declaration as per rest of file.
6082 (size_of_line_prolog): Correct typo in prototype.
6083 (add_arange): Likewise.
6084 (output_aranges): Likewise.
6085 (add_name_and_src_coords_attributes): Likewise.
6086 (gen_array_type_die): Likewise.
6087 (gen_inlined_subroutine_die): Likewise.
6088 (equate_decl_number_to_die): Remove unused variable `i'.
6089 (print_die): Reconcile format vs. args in fprintf's.
6090 (print_dwarf_line_table): Likewise.
6091 (output_die): Likewise.
6092 (output_line_info): Likewise.
6093 (add_subscript_info): Avoid an empty body in an else-statement.
6094 (gen_subprogram_die): Remove unused variable `fp_loc'.
6095
6096 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
6097 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
6098 macro. Protect `src_coords_attribute' prototype with
6099 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
6100 prototype as in the rest of the file. Likewise for
6101 `output_pointer_type_die' and `output_reference_type_die'. Remove
6102 prototype for `type_of_for_scope'.
6103 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
6104 (type_attribute): Add explicit braces to avoid ambiguous `else'.
6105
6106 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
6107 (shorten_branches): Protect declaration of tmp_length with
6108 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
6109 (profile_function): Protect declaration of `sval' and `cxt'
6110 variables with appropriate macros.
6111 (final_scan_insn): Likewise for `note' variable. Add explicit
6112 braces to avoid empty body in an if-statement.
6113 (output_asm_insn): Move variable `i' inside macro conditional
6114 where it is used. Add parentheses around assignment used as truth
6115 value.
6116 (asm_fprintf) Likewise, likewise.
6117
6118 * fix-header.c (main): Remove unused variable `done'. Protect
6119 declaration of `i' with FIXPROTO_IGNORE_LIST.
6120
6121 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
6122
6123 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
6124 `ind'.
6125
6126 * profile.c: Include <string.h>/<strings.h>.
6127 (instrument_arcs): Remove unused variables `note', `inverted',
6128 `zero' and `neg_one'.
6129 (branch_prob): Avoid empty body in an if-statement.
6130
6131 * regclass.c: Include <stdlib.h>.
6132 (reg_alternate_class): Explicitly declare parameter `regno'.
6133
6134 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
6135 parentheses around assignment used as truth value.
6136 (find_matches): Remove unused variables `output_operand' and
6137 `matching_operand'.
6138 (fixup_match_1): Remove statement with no effect: "if (0) ;".
6139
6140 * scan.c (sstring_append): Explicitly declare `count' as int.
6141 (scan_string): Explicitly declare parameter `init' as int.
6142
6143 * sched.c: Include <stdlib.h>.
6144 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6145 (rank_for_schedule): Add parentheses around assignment used as
6146 truth value.
6147 (schedule_block): Likewise.
6148 (regno_use_in): Likewise.
6149 (schedule_insns): Remove unused variable `i'.
6150
6151 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
6152 (v_message_with_decl): Remove unused variable `n'.
6153 (botch): Explicitly declare parameter `s' as char *.
6154 (main): Add parentheses around assignment used as truth value.
6155
6156 * tree.c (make_node): Protect the variable `kind' with the
6157 GATHER_STATISTICS macro.
6158 (real_value_from_int_cst): Move variable `e' inside conditional
6159 macro area where it is used.
6160 (tree_last): Add parentheses around assignment used as truth value.
6161 (build1): Protect the variable `kind' with the GATHER_STATISTICS
6162 macro.
6163 (print_obstack_statistics): Reconcile format vs. args in fprintf.
6164 Protect variables `i', `total_nodes', and `total_bytes' with the
6165 GATHER_STATISTICS macro.
6166
6167 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
6168
6169 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
6170 some comments regarding use of dead_or_set_p.
6171
6172 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
6173
6174 * fixincludes: Tweak fix for struct exception in math.h
6175
6176 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
6177
6178 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
6179 Change mode of registers used to add/sub from
6180 hard_frame_pointer_rtx from word_mode to Pmode.
6181
6182 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
6183
6184 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
6185 asm_output_aligned_bss() instead of asm_output_bss().
6186
6187 * toplev.c (rest_of_compilation): Replace references to
6188 stack_reg_dump_file and dbr_sched_dump_file with references to
6189 rtl_dump_file.
6190
6191 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6192
6193 * tlink.c (scan_linker_output): Call fclose() for opened files.
6194
6195 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
6196
6197 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
6198 compiling with -fpic -- we want to be able to override symbols
6199 properly.
6200 (alpha_expand_block_move): Fix thinko in last change.
6201
6202 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
6203 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
6204 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
6205
6206 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
6207
6208 * alpha.md (abssf, absdf): Revert last change.
6209
6210 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
6211
6212 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
6213 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6214
6215 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
6216
6217 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
6218 a CONST_INT into SFmode.
6219
6220 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
6221
6222 * flags.h: New flag (optimize_size).
6223 * toplev.c (main): Parse -Os option and set optimize_space
6224 accordingly.
6225 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
6226 __OPTIMIZE_SIZE__ when compiling with -Os.
6227 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
6228 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
6229 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
6230 to macro.
6231 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
6232
6233 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
6234
6235 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
6236 stuff only if MCT_TEXT is #define'd.
6237
6238 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
6239
6240 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
6241 configurations.
6242
6243 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
6244
6245 * toplev.c: Add -dM command line option to dump RTL after the
6246 machine dependent reorganisation pass, if there is one.
6247 Reorganise RTL dump code, so that only one file handle is
6248 needed.
6249
6250 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
6251
6252 * except.c (check_exception_handler_labels): Disable warning when
6253 flag_syntax_only.
6254
6255 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
6256
6257 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
6258
6259 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6260
6261 * c-decl.c (grokdeclarator): Get parameter tags from
6262 last_function_parm_tags.
6263 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
6264 traversing the parameter types.
6265 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
6266
6267 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
6268
6269 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
6270 the default case.
6271 (get_shift_alg): Fix typo.
6272
6273 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
6274
6275 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
6276
6277 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
6278
6279 * toplev.c (get_run_time): Make sure each case gets its variables.
6280
6281 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
6282
6283 * configure.in (build_xm_file): Add auto-config.h if host=build.
6284 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
6285 (build_xm_file_list): Likewise.
6286 * configure: Rebuild.
6287
6288 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6289
6290 * recog.c (validate_replace_rtx_1): Only perform substitutions
6291 of arguments to commutative and comparison operators once.
6292
6293 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6294
6295 * sparc.c (output_cbranch): Add default case in
6296 enumeration switch.
6297
6298 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
6299 (emit_delay_sequence): Eliminate unused parameter, all callers
6300 changed.
6301 (fill_simple_delay_slots): Likewise.
6302 (fill_slots_from_thread): Likewise.
6303 (fill_eager_delay_slots): Likewise.
6304 (mark_referenced_resources): Add default case in enumeration switch.
6305 (mark_set_resources): Likewise.
6306 (rare_destination): Likewise.
6307 (mostly_true_jump): Likewise.
6308 (find_dead_or_set_registers): Likewise.
6309 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
6310 (update_reg_unused_notes): Remove unused variable `p'.
6311 (mark_target_live_regs): Remove unused variables `next' and
6312 `jump_count'.
6313 (fill_simple_delay_slots): Remove unused variable `j'.
6314 (fill_slots_from_thread): Add parentheses around assignment used
6315 as truth value.
6316 (dbr_schedule): Likewise.
6317
6318 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
6319 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6320
6321 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
6322
6323 * cse.c (simplify_ternary_operation): Don't try to simplify
6324 IF_THEN_ELSE expressions (created by combine) that don't use
6325 relational operators.
6326
6327 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
6328
6329 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
6330 simplifications.
6331
6332 * crtstuff.c (init_dummy): Keep the epilogue in the init
6333 section for non-ELF systems.
6334
6335 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6336
6337 * sh.md (movqi_i+1): New peephole.
6338
6339 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
6340
6341 * Makefile.in: Remove remaining bytecode stuff.
6342 * emit-rtl.c, expr.c: Likewise.
6343
6344 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
6345
6346 * toplev.c (lang_options): Add unknown-pragma options.
6347
6348 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
6349
6350 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
6351 special (and incomplete) handling for Chill arrays.
6352
6353 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
6354
6355 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
6356 to get clock rate.
6357
6358 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
6359
6360 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
6361
6362 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
6363
6364 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
6365 .frame directive instead of FRAME_POINTER_REGNUM.
6366
6367 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
6368
6369 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
6370 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
6371 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
6372 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
6373 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
6374 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
6375 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6376 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6377 mcpu32 or m5200.
6378 * longlong.h: Replace __mc68332__ with __mcpu32__.
6379
6380 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
6381
6382 * version.c: Bump for snapshot.
6383
6384 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
6385
6386 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
6387 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
6388 * reload1.c (eliminate_regs): Likewise.
6389
6390 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
6391
6392 * regmove.c (find_matches): Initialize matches->earlyclobber too.
6393
6394 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
6395
6396 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
6397 (negsf2, negdf2): Use proper subtract in IEEE mode.
6398
6399 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
6400
6401 * Makefile.in: Remove more bytecode stuff.
6402 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
6403 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
6404 * f/install.texi, objc/Make-lang.in: Likewise.
6405
6406 * Makefile.in: Remove all bytecode support.
6407 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
6408 * emit-rtl.c: Remove all bytecode support.
6409 * expr.c, expr.h function.c, integrate.c: Likewise.
6410 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
6411 * tree.h, varasm.c: Likewise.
6412 * config/m68k/m68k.h: Likewise.
6413 * bi-*, bc-*, bytecode*: Delete bytecode related files.
6414 * modemap.def: Likewise.
6415
6416 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
6417
6418 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
6419 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
6420
6421 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
6422
6423 * i386.md (push): Prohibit symbolic constants if flag_pic.
6424 (movsi+1): Likewise for move to non-register.
6425
6426 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
6427
6428 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
6429 (print_operand): Handle 0xffffffff on 32 bit host.
6430
6431 * configure.in (thread_file): Rename uses before main loop to
6432 target_thread_file. Initialize to empty in main loop. Set thread_file
6433 to target_thread_file after main loop if not set.
6434 * configure: Rebuild.
6435
6436 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
6437 (add_values_to_cover): Revert last change (which had no ChangeLog
6438 entry).
6439 (simplify_with_current_value_aux): Handle CONST_INT.
6440
6441 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6442
6443 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
6444
6445 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
6446
6447 * configure.in: Add cpp stringify test.
6448 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
6449 * gengenrtl.c: Use it.
6450 * configure, config.in: Rebuild.
6451
6452 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6453
6454 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
6455
6456 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
6457
6458 * configure.in: Find declaration for sbrk.
6459 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
6460 * config.in, configure: Rebuild.
6461 * mips-tfile.c: Properly protect declaration of sbrk and free.
6462 * toplev.c: Properly protect declaration of sbrk.
6463
6464 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
6465
6466 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
6467
6468 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
6469
6470 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
6471
6472 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
6473
6474 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
6475
6476 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
6477
6478 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
6479 constant offset computations from objects with known alignment in
6480 the presence of STACK_BIAS.
6481
6482 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
6483 necessary.
6484 (const_hash): Hash val is unsigned long.
6485 (SYMHASH): Likewise.
6486
6487 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
6488
6489 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
6490 char pointer, not HOST_WIDE_INT.
6491 (print_node): Likewise. Also hash is unsigned long not
6492 HOST_WIDE_INT.
6493
6494 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
6495
6496 * explow.c (optimize_save_area_alloca): New function for targets
6497 where SETJMP_VIA_SAVE_AREA is true.
6498 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
6499 compute the amount of stack space needed should we find later that
6500 setjmp is never called by this function, stuff rtl for this inside
6501 a REG_NOTE of the final SET of stack_pointer_rtx.
6502 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
6503 current_function_calls_alloca, call optimize_save_area_alloca.
6504
6505 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
6506
6507 * i386.md: Remove redundant integer push patterns.
6508 Don't bother checking for TARGET_PUSH_MEMORY when
6509 pushing constants or registers.
6510
6511 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6512 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
6513
6514 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
6515 (pwait): New function for mingw32.
6516
6517 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
6518 pipe support is broken for now.
6519
6520 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
6521
6522 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
6523 between frame_pointer_rtx, hard_frame_pointer_rtx, and
6524 arg_pointer_rtx is respected in initialization.
6525 (init_emit_once): Use gen_rtx_raw_REG() to create
6526 return_address_pointer_rtx.
6527
6528 * reorg.c: #include "expr.h" for rtx prototypes.
6529 * Makefile.in (reorg.o): Depend on expr.h
6530
6531 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
6532
6533 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
6534 local_prefix to sub-make invocations.
6535
6536 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
6537
6538 * objc-parse.c: Recognize protocol qualifiers in class definitions.
6539
6540 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
6541
6542 * rtl.h: Fix typos.
6543
6544 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
6545 * configure.in: Check for atol.
6546 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
6547
6548 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
6549
6550 * loop.c (find_and_verify_loops): When attempting to move insns from
6551 inside the loop outside the loop, create a BARRIER if no suitable
6552 one was found.
6553
6554 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
6555 favor of an equivalent change from gcc-2.8.
6556
6557 * i386/x-sco5 (CC): Remove trailing whitespace.
6558
6559 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6560
6561 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
6562 (accessor_from_format): Likewise.
6563 (xmalloc): New function for use when linking with alloca.o.
6564
6565 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6566
6567 * frame.c (find_fde): Correct FDE's upper bound.
6568
6569 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
6570
6571 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
6572
6573 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
6574
6575 * calls.c (expand_call): Move #ifdef code out of macro argument
6576 lists.
6577 (emit_library_call, emit_library_call_value): Likewise.
6578
6579 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
6580
6581 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
6582
6583 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
6584
6585 * version.c: Bump for snapshot.
6586
6587 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
6588
6589 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
6590 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
6591 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
6592 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
6593 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
6594 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
6595 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
6596 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
6597 * unroll.c, varasm.c: Likewise.
6598 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
6599
6600 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
6601
6602 * mips.h: Fix some type-o's from a previous change.
6603
6604 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
6605
6606 * loop.c (check_dbra_loop): Make sure initial value is a
6607 CONST_INT before trying to normalize it.
6608
6609 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
6610
6611 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
6612
6613 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
6614
6615 * cppexp.c: Include gansidecl.h
6616
6617 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
6618
6619 * svr4.h (LINK_SPEC): Never specify -h.
6620 * ptx4.h (LINK_SPEC): Likewise.
6621 * rs6000/sysv4.h (LINK_SPEC): Likewise.
6622 * sparc/sol2.h (LINK_SPEC): Likewise.
6623
6624 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
6625
6626 * c-typeck.c (comptypes): Exit early on NULL input.
6627
6628 * haifa-sched.c (schedule_insns): Correctly remove inter-block
6629 dependencies after reload.
6630
6631 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6632
6633 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
6634
6635 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
6636
6637 * alpha/vms.h (DIR_SEPARATOR): define
6638
6639 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6640
6641 * Makefile.in (stamp-proto): Remove.
6642 (protoize.o, unprotoize.o): Straightforward compile.
6643 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
6644
6645 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6646
6647 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
6648 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
6649
6650 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
6651
6652 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
6653 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
6654 * sparc/netbsd.h, vax/netbsd.h: Likewise.
6655
6656 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
6657
6658 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
6659
6660 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
6661
6662 * configure.in (target_cpu_default, target_cpu_default2): Use double
6663 quotes around them when testing their value.
6664 * configure: Rebuilt.
6665
6666 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
6667
6668 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
6669 to allocate rtx.
6670 (gendef): Call obstack_alloc_rtx.
6671
6672 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
6673
6674 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
6675 for now.
6676
6677 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
6678
6679 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
6680 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
6681 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
6682
6683 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
6684
6685 * mips.md (return_internal): Change mode from SImode to VOIDmode.
6686
6687 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
6688
6689 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
6690 "-static".
6691
6692 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
6693
6694 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
6695 suffix from operand 3.
6696
6697 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6698 Jeffrey A Law (law@cygnus.com)
6699
6700 * regmove.c: New implementation of regmove pass.
6701 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
6702 decls, make them have external linkage. Return a value from
6703 optimize_reg_copy_1.
6704 * reload.h (count_occurrences): Add decl.
6705 * reload1.c (count_occurrences): Delete decl, make it have external
6706 linkage.
6707 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
6708
6709 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
6710
6711 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
6712 if it is not defined.
6713
6714 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
6715
6716 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
6717 * emit-rtl.c (gen_rtx): Move special code to ...
6718 (gen_rtx_CONST_INT): New function.
6719 (gen_rtx_REG): New function.
6720 (*): Update all calls to gen_rtx.
6721 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
6722 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
6723 (GEN_INT): Call gen_rtx_CONST_INT.
6724 * gengenrtl.c: New file.
6725
6726 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
6727
6728 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
6729 (base_alias_check): If no base found for address call canon_rtx and
6730 try again.
6731
6732 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
6733
6734 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
6735 arguments for mips16.
6736 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
6737 Don't lose if tsize is zero after handling large stack for mips16.
6738 * mips.md (return): For trivial return, return address is in $31.
6739
6740 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
6741
6742 * mips/mips16.S: Various changes to make it work with -msingle-float
6743 and -EL.
6744
6745 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
6746 Ian Lance Taylor <ian@cygnus.com>
6747 Jeff Law <law@cygnus.com>
6748
6749 * mips.c, mips.h, mips.md: First cut at merging in mips16
6750 support. Major modifications throughout all three files.
6751
6752 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
6753
6754 * configure.in: Make gthr-default.h a forwarding header instead of
6755 a symlink.
6756
6757 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6758
6759 * gcov-io.h: Include sys/types.h to ensure we get size_t.
6760
6761 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
6762
6763 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
6764 Jeffrey A Law (law@cygnus.com)
6765
6766 * crtstuff.c (__frame_dummy): New function for irix6.
6767 (__do_global_ctors): Call __frame_dummy for irix6.
6768 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
6769
6770 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
6771
6772 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
6773
6774 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
6775
6776 * c-decl.c (init_decl_processing): Provide proper fallback symbol
6777 for __builtin_memset.
6778 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
6779 not INTEGER_CST. Assert arg 3 is a constant.
6780
6781 * alpha.c (mode_width_operand): Accept 64-bit modes.
6782 (mode_mask_operand): Likewise.
6783 (print_operand): Likewise for 'M' and 'U' codes.
6784 (alpha_expand_unaligned_load): New function.
6785 (alpha_expand_unaligned_store): Likewise.
6786 (alpha_expand_unaligned_load_words): Likewise.
6787 (alpha_expand_unaligned_store_words): Likewise.
6788 (alpha_expand_block_move): Likewise.
6789 (alpha_expand_block_clear): Likewise.
6790 * alpha.h (MOVE_RATIO): New define.
6791 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
6792 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
6793
6794 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
6795 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
6796
6797 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
6798
6799 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
6800 * configure: Update.
6801
6802 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
6803
6804 * emit-rtl.c (operand_subword): Correctly handle extracting a word
6805 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
6806
6807 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
6808 for first argument.
6809
6810 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
6811
6812 * configure.in: Set and subsitute host_exeext. Use it when creating
6813 the assembler and linker symlinks.
6814 * configure: Rebuild.
6815 * Makefile.in (exeext): Set to @host_exeext@.
6816 (build_exeext): New variable, set to @build_exeext@.
6817 (FLAGS_TO_PASS): Pass down build_exeext.
6818 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
6819 programs.
6820
6821 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
6822
6823 * mn10200.md (addsi3, subsi3): Fix thinkos.
6824
6825 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
6826
6827 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
6828 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
6829 unix always, since we want to be able to thunk to functions in a
6830 shared library from an application.
6831
6832 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
6833
6834 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6835 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
6836
6837 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
6838
6839 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
6840 offset's mode is not ptr_mode, convert it.
6841
6842 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
6843
6844 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
6845 compiling if it was already defined.
6846
6847 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
6848
6849 * flow.c (find_basic_blocks): Don't create a new basic block
6850 for calls in a LIBCALL block.
6851
6852 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
6853
6854 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
6855
6856 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
6857
6858 * cse.c (rtx_cost): Remove conflicting default case.
6859
6860 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
6861
6862 * configure.in: Move default enabling of Haifa out of for loop.
6863 * configure: Rebuild.
6864
6865 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
6866
6867 * version.c: Bump for snapshot.
6868
6869 1997-12-25 Teemu Torma <tot@trema.com>
6870
6871 * Makefile.in (GTHREAD_FLAGS): New var.
6872 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
6873 (distclean): Remove gthr-default.h.
6874
6875 * configure.in: Accept dce as a thread package.
6876 Check for thread.h and pthread.h.
6877 Link gthr-default.h to appropriate thread file and set
6878 gthread_flags.
6879 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
6880 include multilib definitions from pa/t-dce-thr.
6881 (sparc-*-solaris2*): Enable threads by default, if thread.h or
6882 pthread.h is found, preferring posix threads over solaris ones.
6883
6884 * config/pa/t-dce-thr: New file.
6885 * config/pa/t-pa: Removed multilibs.
6886 * config/sparc/t-sol2: Ditto.
6887
6888 * gthr.h: New file.
6889 * gthr-single.h: New file.
6890 * gthr-posix.h: New file.
6891 * gthr-solaris.h: New file.
6892 * gthr-dce.h: New file.
6893 * libgcc-thr.h: Removed.
6894 * objc/thr-dce.c: New file copied from thr-decosf1.c.
6895
6896 * frame.c: Include gthr.h instead of libgcc-thr.h.
6897 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
6898 (eh_context_initialize): If __gthread_once fails, use static eh
6899 context.
6900 (eh_context_free): Call __gthread_key_dtor.
6901
6902 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
6903
6904 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
6905
6906 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
6907
6908 * cse.c (max_insn_uid): New variable.
6909 (cse_around_loop): Use max_insn_uid.
6910 (cse_main): Set max_insn_uid.
6911
6912 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
6913 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
6914 -mlong64, and -mgp{32,64} options.
6915 * mips.c (mips_abi): Change type to int.
6916 * mips.h (enum mips_abi_type): Delete.
6917 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
6918 (mips_abi): Change type to int.
6919
6920 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
6921
6922 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
6923 optimization is now always enabled.
6924
6925 * calls.c (expand_call): Recognize C++ operator new as malloc-like
6926 function.
6927
6928 * alias.c (memrefs_conflict_p): Eliminate tests now done by
6929 base_alias_check.
6930 (*_dependence): Call canon_rtx before base_alias_check.
6931 (init_alias_once): New function to precompute set of registers which
6932 can hold Pmode function arguments.
6933
6934 * rtl.h: Declare init_alias_once.
6935
6936 * toplev.c (compile_file): Call init_alias_once.
6937
6938 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
6939
6940 * tree.c (restore_tree_status): Do not dereference a null pointer.
6941
6942 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
6943
6944 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
6945 RLIMIT_STACK. This maintains consistency with the recent, similar
6946 patch to cccp.c and toplev.c.
6947
6948 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
6949
6950 * genattrtab.c (expand_units): For large nr opclasses, expand
6951 function_units_used with ORX to prevent blowups. Tag with FFS.
6952 (num_unit_opclasses): New variable.
6953 (gen_unit): Update it.
6954 (enum operator): Add ORX_OP.
6955 (operate_exp): Treat ORX as or, except don't expand across an if.
6956 Reuse number rtx's after operating on them.
6957 (check_attr_value): Accept IOR, AND, & FFS.
6958 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
6959 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
6960 (write_expr_attr_cache, write_toplevel_expr): New functions.
6961 (write_attr_get): Handle FFS-tagged expressions.
6962 (make_canonical): Don't expand const attributes.
6963 (convert_const_symbol_ref): Dike out.
6964 (evaluate_eq_attr): Handle SYMBOL_REF.
6965 (main): Don't emit get_attr_foo for const attributes.
6966
6967 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
6968 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
6969 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
6970 * alpha.md: Redo all of the scheduling, adding EV6 support, and
6971 combining function units where possible.
6972 (attr "type"): Split loads, stores, cmov into int/fp. Combine
6973 multiplies and divides. Add EV6 sqrt, ftoi, itof.
6974 (attr "opsize"): New attribute.
6975 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
6976 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
6977 to control register allocation.
6978 (movsi2-1, movdi2-1): Likewise.
6979
6980 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
6981
6982 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
6983 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
6984 Move OSF/1 specific defines out.
6985 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
6986 Move Linux specific defines out.
6987 (LINK_SPEC): Genericize.
6988 (ASM_FILE_START): Emit .arch if using more than the base insn set.
6989 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
6990 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
6991 (HANDLE_SYSV_PRAGMA): Define.
6992 * alpha/osf.h: New file.
6993 * alpha/linux.h: Split. Retain file-format independant defines.
6994 Import Linux bits from elf.h.
6995 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
6996 (FUNCTION_PROFILER): _mcount takes its address in $28.
6997 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
6998 * alpha/linux-ecoff.h: New file.
6999 * alpha/linux-elf.h: New file.
7000 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
7001 * alpha/win-nt.h (TARGET_DEFAULT): Define.
7002 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
7003 Add new headers as appropriate.
7004
7005 * configure.in (alpha*): Enable Haifa by default.
7006 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
7007 * configure: Rebuild.
7008
7009 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
7010
7011 * Makefile.in (clean): Remove the stages with their objects here ...
7012 (distclean): ... instead of here.
7013
7014 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7015
7016 * cse.c (rtx_cost): Add default case in enumeration switch.
7017 * fix-header.c (recognized_macro): Likewise.
7018 (recognized_extern): Likewise.
7019 (write_rbrac): Likewise.
7020 * objc/objc-act.c (encode_aggregate): Likewise.
7021 (gen_declarator): Likewise.
7022 (gen_declspecs): Likewise.
7023
7024 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
7025
7026 * haifa-sched.c (create_reg_dead_note): Detect and handle another
7027 case where we kill more regs after sched than were killed before
7028 sched.
7029 * sched.c (create_reg_dead_note): Similarly.
7030
7031 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
7032
7033 * c-pragma.c: Include flags.h.
7034
7035 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
7036
7037 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
7038 about system headers.
7039 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
7040 and also to resolve symbols in prefix.c.
7041
7042 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
7043 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
7044 when the definitions in auto-config.h is not visible.
7045 (HAVE_BZERO): Likewise.
7046 (HAVE_BCMP): Likewise.
7047 (HAVE_RINDEX): Likewise.
7048 (HAVE_INDEX): Likewise.
7049
7050 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7051
7052 * pa.c (emit_move_sequence): Handle a function label source
7053 operand.
7054
7055 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7056
7057 * c-pragma.c (handle_pragma_token): Generate warning messages
7058 about unknown pragmas if warn_unknown_pragmas is set.
7059
7060 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7061 line option to set variable: warn_unknown_pragmas.
7062
7063 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7064
7065 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7066 definition.
7067 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7068
7069 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7070
7071 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7072 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7073 generate more fine grained floating point emulation libraries.
7074 * config/fp-bit.c: Add protecting #ifdef to all functions so
7075 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7076 then compile all suitable functions.
7077 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7078 underscores to avoid namespace pollution.
7079 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
7080 (FPBIT): Define.
7081 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
7082 (FPBIT): Define.
7083 (DPBIT): Define.
7084
7085 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7086 Jeff Law <law@cygnus.com>
7087
7088 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
7089 of the declaration.
7090 * c-decl.c (finish_decl): Use parentheses around && within ||.
7091 * rtl.c: Include stdlib.h.
7092 (read_skip_spaces): Add parentheses around assignments used as
7093 truth values.
7094 (read_rtx): Initialize list_rtx.
7095 * cppexp.c (parse_number): Use || when operands are truth values.
7096 * alias.c (find_base_value): Add default case.
7097 (memrefs_conflict): Likewise.
7098 * combine.c (sets_function_arg_p): Likewise.
7099 * genemit.c (gen_exp): Likewise.
7100 * local-alloc.c (contains_replace_regs): Likewise.
7101 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
7102 * fold-const.c (fold_convert): Use "&&" for truth values.
7103 (fold): Add default case.
7104 * sdbout.c (sdbout_field_types): Fix typo in declaration.
7105 (sdbout_one_type): Add default case.
7106 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
7107 (some_operand): Add default case.
7108 (input_operand): Likewise.
7109 (signed_comparison_operator): Likewise.
7110 (divmod_operator): Likewise.
7111 (alpha_set_memflags_1): Likewise.
7112 * reload1.c (reload_cse_simplify_operands): Ensure function
7113 always returns a value.
7114 * scan-decls.c (scan_decls): Likewise.
7115 * c-lex.c (skip_white_space): Fix typo in declaraion.
7116 * c-typeck.c (comp_target_types): Add parentheses around assignment
7117 used as truth value.
7118 (print_spelling): Likewise.
7119 (constructor_implicit, constructor_result): Remove unused variables.
7120 * collect2.c (scan_library): Protect prototype with
7121 #ifdef SCAN_LIBRARIES.
7122 * emit-rtl.c (find_line_note): Fix typo in declaration.
7123 * final.c (asm_insn_count): Protect prototype with
7124 #ifdef HAVE_ATTR_length.
7125 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
7126 (try_pre_increment_1, try_pre_increment): Likewise.
7127 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
7128 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
7129 * gcov-io.h (__store_long, __write_long, __read_long): Fix
7130 unsigned/signed comparisons.
7131 * gcov.c (read_files): Remove unused "first_type" variable.
7132 (scan _for_source_files): Initialize s_ptr.
7133 (function_summary): Eliminate "%lf" formatting, use %ld for
7134 longs.
7135 (output_data): Initialize branch_probs and last_line_num.
7136 Eliminate "%lf" formatting, use "%ld" for longs.
7137
7138 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
7139
7140 * mips16.S: New file.
7141
7142 * libgcc2.c (varargs): Handle mips16.
7143
7144 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
7145 expression.
7146 * stmt.c (expand_end_case): Likewise.
7147 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
7148 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
7149 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
7150
7151 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7152
7153 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
7154 the build directory.
7155 (libobjc.a): Update dependency list.
7156 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
7157 directory.
7158 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
7159 (objc.mostlyclean): Remove runtime-info.h.
7160
7161 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
7162
7163 * tree.c (build_range_type): Allow creation of ranges with no maximum.
7164 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
7165 * dwarf2out.c (add_subscript_info): Likewise.
7166 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
7167 * sdbout.c (plain_type_1): Likewise.
7168 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
7169 Likewise.
7170 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
7171 Likewise.
7172
7173 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7174
7175 * mips.c (fatal): Remove declaration.
7176
7177 1997-12-18 Mark Mitchell <mmitchell@usa.net>
7178
7179 * integrate.c (get_label_from_map): New function.
7180 (expand_inline_function): Use it. Initialize the label_map to
7181 NULL_RTX instead of gen_label_rtx.
7182 (copy_rtx_and_substitute): Use get_label_from_map.
7183 * integrate.h (get_label_from_map): New function.
7184 (set_label_from_map): New macro.
7185 * unroll.c (unroll_loop): Use them.
7186 (copy_loop_body): Ditto.
7187
7188 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
7189
7190 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
7191 (INIT_TARGET_OPTABS): Define.
7192 * mips/ecoff.h: Include gofast.h before mips.h.
7193 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
7194 * mips/elf64.h: Likewise.
7195 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
7196
7197 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
7198
7199 * except.c: Remove register_exception_table{,_p}.
7200
7201 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
7202
7203 * unroll.c (calculate_giv_inc): Handle constant increment found in
7204 a MEM with an appropriate REG_EQUAL note.
7205
7206 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
7207
7208 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
7209 frame pointer in the prologue.
7210
7211 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
7212
7213 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
7214 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
7215
7216 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
7217
7218 * config/m68k/m68k.c (output_function_prologue): Typecast
7219 dwarf2out_cfi_label to (char *).
7220 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
7221
7222 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
7223
7224 * sparc.md (jump): Don't use the annul bit around an empty loop.
7225 Patch from Kevin.Kelly@East.Sun.COM.
7226
7227 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
7228
7229 * jump.c: (jump_optimize): Don't use the return register as a
7230 source1 of a conditional move.
7231
7232 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
7233
7234 * sparc.c (DF_MODES): Or the mask not the bit number.
7235 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
7236
7237 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7238
7239 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
7240
7241 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
7242
7243 * fixincludes (size_t): Add support for Motorola's stdlib.h
7244 which fails to provide a definition for size_t.
7245 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
7246 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
7247 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
7248
7249 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
7250 prevent unresolved externals in libio.
7251 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
7252
7253 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
7254
7255 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
7256 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
7257 (LIB_SPEC): Updated for glibc 2.
7258
7259 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
7260
7261 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
7262 * ginclude/varargs.h: Likewise.
7263
7264 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
7265
7266 * version.c: Bump for snapshot.
7267
7268 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
7269
7270 * frame.h (__register_frame, __register_frame_table,
7271 __deregister_frame): New.
7272 * frame.c (__register_frame, __register_frame_table,
7273 __deregister_frame): New.
7274 * frame.c (__deregister_frame_info): Return void *.
7275 * frame.h (__deregister_frame_info): Ditto.
7276 * collect2.c (__deregister_frame_info): Ditto.
7277
7278 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
7279
7280 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
7281
7282 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
7283
7284 * alpha.c (alpha_cpu_name): New variable.
7285 (alpha_mlat_string): Likewise.
7286 (alpha_memory_latency): Likewise.
7287 (override_options): Handle -mmemory-latency.
7288 (alpha_adjust_cost): Adjust load cost for latency.
7289 * alpha.h (TARGET_OPTIONS): Add meory-latency.
7290 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
7291 TARGET_CIX into account.
7292 (MEMORY_MOVE_COST): Define in terms of memory_latency.
7293 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
7294
7295 * alpha.h (ASM_COMMENT_START): New macro.
7296
7297 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
7298
7299 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
7300 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
7301
7302 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
7303 SUBREG_REG if the word count is unchanged.
7304 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
7305 subregs of identical word size for push_reload.
7306
7307 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
7308
7309 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
7310 if all we're doing is dealing with -Wreturn-type.
7311
7312 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
7313
7314 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
7315 Use and 255 instead of zapnot 1, since it schedules better.
7316
7317 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
7318
7319 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
7320 it as volatile.
7321
7322 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
7323
7324 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
7325 dependency we delete. Properly update prev for multiple consecutive
7326 deletions.
7327 (priority): Skip deleted dependence.
7328
7329 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
7330
7331 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
7332
7333 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7334
7335 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
7336 determining when a new basic block starts.
7337
7338 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
7339
7340 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
7341 * pa.md (iorsi3): Add missing args to *_operand calls.
7342
7343 * except.c (call_get_eh_context): Don't mess with sequences.
7344 (emit_eh_context): Include the call in the sequence here.
7345
7346 1997-12-11 Paul Eggert <eggert@twinsun.com>
7347
7348 * collect2.c (write_c_file_glob): Allocate initial frame object
7349 in static storage and pass its address.
7350
7351 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7352
7353 * except.c (call_get_eh_context): Don't take a parm.
7354 Put the call at the top of the function.
7355 (emit_eh_context): Adjust.
7356 (get_eh_context): Replace with former use_eh_context.
7357 (get_eh_context_once, get_saved_pc_ref): Remove.
7358 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
7359 * except.h: Adjust.
7360 * integrate.c (expand_inline_function): Adjust.
7361 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
7362
7363 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
7364
7365 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
7366 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
7367
7368 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
7369
7370 * fixincludes (strlen,strspn,strcspn return value): Handle different
7371 layout on sysV88.
7372 (hypot): Provide a fake for hypot which is broken on
7373 m88k-motorola-sysv3.
7374
7375 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
7376
7377 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
7378 tree_code_name from pointers to arrays.
7379 * tree.c: Remove standard_tree_code_* variables, no longer used.
7380 * print-tree.c: Remove declaration of tree_code_name.
7381
7382 * cp/lex.c (init_lex): Update for tree_code_* changes.
7383 * objc/objc-act.c (init_objc): Likewise.
7384
7385 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
7386 changes.
7387
7388 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
7389
7390 * config.sub: Add support for BeOS target.
7391 * configure.in: Likewise.
7392 * ginclude/stdarg.h: Likewise.
7393 * ginclude/stddef.h: Likewise.
7394 * ginclude/varargs.h: Likewise.
7395 * rs6000/beos.h: New file for BeOS.
7396 * rs6000/t-beos: Likewise.
7397 * rs6000/x-beos: Likewise.
7398 * rs6000/xm-beos.h: Likewise.
7399 * toplev.c (get_run_time): Just return 0 on BeOS.
7400
7401 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
7402 Toon Moene (toon@moene.indiv.nluug.nl)
7403
7404 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
7405 old and broken Sun3 assemblers. Newer versions handle large
7406 offsets correctly as does the GNU assembler.
7407
7408 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7409
7410 * objc/objc-act.c (lang_report_error_function): Disable.
7411 * objc/objc-parse.y: Include "output.h".
7412 (yyerror): Remove redundant decl.
7413 (yyprint): Fix prototype.
7414 (apply_args_register_offset): Remove redundant decl.
7415 (get_file_function_name): Likewise.
7416
7417 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
7418
7419 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
7420 a new basic block.
7421 (find_basic_blocks_1): Likewise.
7422
7423 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7424
7425 * except.c (use_eh_context): Don't copy_rtx a REG.
7426 (emit_throw): Lose old unwinder support.
7427 (expand_internal_throw): Likewise.
7428 * libgcc2.c (struct eh_context): Likewise.
7429 (new_eh_context): Likewise.
7430 (__get_eh_info): Lose redundant cast.
7431 (__get_dynamic_handler_chain): Likewise.
7432 (__get_saved_pc): Lose.
7433 Lose all old unwinder support code.
7434
7435 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
7436
7437 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
7438
7439 * integrate.c (expand_inline_function): If the inline fn uses eh
7440 context, make sure that the current fn has one.
7441 * toplev.c (rest_of_compilation): Call emit_eh_context.
7442 * except.c (use_eh_context): New fn.
7443 (get_eh_context_once): New fn.
7444 (call_get_eh_context): New fn.
7445 (emit_eh_context): New fn.
7446 (get_eh_context): Call either get_eh_context_once or
7447 call_get_eh_context, depending on what we have.
7448 (get_dynamic_handler_chain): Call get_eh_context_once.
7449 * except.h: Prototypes for fns above.
7450 * optabs.c (get_eh_context_libfunc): Removed.
7451 (init_optabs): Don't initialize it.
7452 * expr.h (get_eh_context_libfunc): Removed.
7453 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
7454 * config/pa/pa.h (CPP_SPEC): Support for -threads.
7455 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
7456 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
7457 New multilib for -threads.
7458 * config/sparc/t-sol2: Added multilibs for -threads and
7459 made -pthreads alias to it.
7460 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
7461 Added -threads and -pthreads options.
7462 * libgcc-thr.h: New file.
7463 * libgcc2.c: (__get_cpp_eh_context): Removed.
7464 (struct cpp_eh_context): Removed.
7465 (struct eh_context): Replaced cpp_eh_context with generic language
7466 specific pointer.
7467 (__get_eh_info): New function.
7468 (__throw): Check eh_context::info.
7469 (__sjthrow): Ditto.
7470 * libgcc2.c: Include libgcc-thr.h.
7471 (new_eh_context, __get_eh_context,
7472 eh_pthread_initialize, eh_context_initialize, eh_context_static,
7473 eh_context_specific, eh_context_free): New functions.
7474 (get_eh_context, eh_context_key): New variables.
7475 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
7476 get_eh_context to get the context.
7477 (longjmp): Move the declaration inside
7478 #ifdef DONT_USE_BUILTIN_SETJMP.
7479 * frame.c: Include libgcc-thr.h.
7480 (object_mutex): Mutex to protect the object list.
7481 (find_fde, __register_frame, __register_frame_table,
7482 __deregister_frame): Hold the lock while accessing objects.
7483 * except.h (get_eh_context): Declare.
7484 * except.c (current_function_ehc): Define.
7485 (current_function_dhc, current_function_dcc): Removed.
7486 (get_eh_context): New function.
7487 (get_dynamic_handler_chain): Use get_eh_context.
7488 (get_saved_pc_ref): Ditto.
7489 (get_dynamic_cleanup_chain): Removed references to
7490 current_function_dcc.
7491 (save_eh_status, restore_eh_status): Save and restore
7492 current_function_ehc instead.
7493 * optabs.c (get_eh_context_libfunc): New variable.
7494 (init_optabs): Initialize it.
7495 * expr.h: Declare get_eh_context_libfunc.
7496 * function.h (struct function): Replaced dhc and dcc with ehc.
7497 * except.c (get_saved_pc_ref): New functions.
7498 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
7499 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
7500 of eh_saved_pc.
7501 (end_eh_unwinder): Likewise.
7502 (init_eh): Remove initialization of eh_saved_pc.
7503 * optabs.c (get_saved_pc_libfunc): New variable.
7504 (init_optabs): Initialize it.
7505 * expr.h: Declare get_saved_pc_libfunc.
7506 * except.h (eh_saved_pc_rtx): Deleted.
7507 (get_saved_pc_ref): Declared.
7508
7509 From Scott Snyder <snyder@d0sgif.fnal.gov>:
7510 * libgcc2.c (__get_saved_pc): New.
7511 (__eh_type, __eh_pc): Deleted.
7512 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
7513 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
7514 this fcn.
7515
7516 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
7517
7518 * sparc/sol2.h: Use 64 bit multiply and divide functions in
7519 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
7520 as 0.
7521
7522 * rtl.h (global_rtl): New variable, replacing separate variables for
7523 commonly used rtl.
7524 (const_int_rtx): Now array of rtx_def, not rtx.
7525 * emit-rtl.c: Update for new rtl data structures.
7526 * genattrtab.c: Define global_rtl.
7527
7528 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
7529
7530 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
7531 default.
7532
7533 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
7534
7535 * crtstuff.c (__do_global_ctors): Fix typo.
7536
7537 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
7538
7539 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7540 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7541
7542 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
7543
7544 * rs6000.h (FUNCTION_ARG_PADDING): Define.
7545 * rs6000.c (function_arg_padding): New function.
7546
7547 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
7548
7549 * m68k.c: Include tree.h only once.
7550
7551 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7552
7553 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
7554
7555 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
7556
7557 * Partially cleaned up prototyping code from HJ.
7558 * tree.h: Add many prototypes.
7559 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
7560 All references changed.
7561 * rtl.h: Protect from multiple inclusions. Add many prototypes.
7562
7563 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
7564
7565 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
7566 string functions like strlen.
7567
7568 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
7569
7570 * configure.in: Check for functions getrlimit and setrlimit.
7571 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7572 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7573
7574 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
7575
7576 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
7577
7578 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
7579
7580 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
7581 Fix merge problems.
7582
7583 * alpha.c (override_options): Don't know about scheduling for EV6.
7584 * alpha.md (ev5 function units): Don't overload as ev6.
7585
7586 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
7587 * alpha.md (define_attr type): Add mvi.
7588 (ev5_e0): Define sceduling parameters for it.
7589 (TARGET_MAX insns): Type is mvi not shift.
7590
7591 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
7592
7593 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
7594
7595 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7596
7597 * cstamp-h, auto-config.h: Delete.
7598
7599 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
7600
7601 * version.c: Bump for snapshot.
7602
7603 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
7604
7605 * cccp.c: Fix typo brought over in merge.
7606
7607 * Merge in changes from gcc-2.8.
7608
7609 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
7610
7611 * m68k.c: Include tree.h for dwarf2out_cfi_label.
7612
7613 * gcc.c (process_command): Do not take address of function fatal when
7614 calling lang_specific_driver.
7615
7616 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
7617
7618 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
7619 doesn't work with it yet, so set it to 0.
7620 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
7621
7622 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7623
7624 * cse.c (cse_insn): Check for invalid entries when taking references.
7625
7626 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7627
7628 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
7629 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
7630 * toplev.c (rest_of_compilation): Pass it. Remove code to
7631 save / clear / restore flag_unroll_{,all_}loops.
7632
7633 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
7634
7635 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
7636
7637 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
7638
7639 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
7640
7641 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
7642
7643 * except.c (get_dynamic_handler_chain): Only make the call once per
7644 function.
7645
7646 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
7647
7648 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7649
7650 * sh.c (final_prescan_insn): Use local label prefix
7651 when emitting .uses pseudo-ops.
7652
7653 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7654
7655 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
7656 * except.c: Lose outer_context_label_stack.
7657 (expand_eh_region_end): Rethrow from outer_context here.
7658 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
7659 (expand_internal_throw): Take no args.
7660 (expand_internal_throw_indirect): Lose.
7661 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
7662 (expand_start_all_catch): Start a rethrow region.
7663 (expand_end_all_catch): End it.
7664 (expand_rethrow): New fn.
7665 * except.h: Reflect above changes.
7666 * flow.c: Revert change of Nov 27.
7667
7668 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
7669
7670 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
7671
7672 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7673
7674 * except.c (expand_fixup_region_end): New fn.
7675 (expand_fixup_region_start): Likewise.
7676 (expand_eh_region_start_tree): Store cleanup into finalization here.
7677 * stmt.c (expand_cleanups): Use them to protect fixups.
7678
7679 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
7680
7681 * mips/mips.md (muldi3_r4000): Broaden the output template
7682 and attribute assignments to handle three operand dmult;
7683 rename to muldi3_internal2.
7684 (muldi3): Call the new muldi3_internal2 for R4000, and
7685 any GENERATE_MULT3 chip.
7686
7687 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7688
7689 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
7690
7691 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
7692
7693 * unroll.c (find_splittable_givs): Remove last change. Handle givs
7694 with a dest_reg that was created by loop.
7695
7696 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
7697
7698 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
7699
7700 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
7701
7702 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
7703
7704 * configure.in: Fix NCR entries.
7705
7706 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
7707
7708 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
7709 nested exceptions correctly.
7710
7711 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
7712 that was created by loop.
7713
7714 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7715
7716 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
7717
7718 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
7719
7720 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
7721
7722 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
7723 (print_operand): Use SMALL_DATA_REG for the register involved in
7724 small data relocations.
7725 (print_operand_address): Ditto.
7726
7727 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
7728 -dynamic linker is not used.
7729
7730 * rs6000.md (call insns): For local calls, use @local suffix under
7731 System V. Don't use @plt under Solaris.
7732
7733 * rs6000.c (output_function_profiler): Put label address in r0, and
7734 store LR in 4(sp) for System V/eabi.
7735
7736 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
7737 byte boundary, and maintain stack backchain.
7738
7739 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7740
7741 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7742 fix_truncsfdi2): Change *.
7743
7744 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
7745
7746 * toplev.c (main): Complain about -gdwarfn.
7747
7748 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
7749
7750 * dwarfout.c (output_type): If finalizing, write out nested types
7751 of types we've already written.
7752
7753 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
7754
7755 (patches originally from Geoffrey Keating)
7756 * rs6000.c (function_arg): Excess floating point arguments don't
7757 go into GPR registers after exhausting FP registers under the
7758 System V.4 ABI.
7759 (function_arg_partial_nregs): Ditto.
7760
7761 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
7762 suffix to calls.
7763
7764 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
7765
7766 * integrate.c (output_inline_function): Just unset DECL_INLINE.
7767
7768 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
7769
7770 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
7771 proper alignment.
7772
7773 * libgcc2.c (__throw): Initialize HANDLER.
7774
7775 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7776
7777 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7778 fix_truncsfdi2): Change *X to ?*X.
7779
7780 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
7781
7782 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
7783
7784 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
7785
7786 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
7787
7788 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
7789
7790 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
7791
7792 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
7793
7794 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
7795 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
7796 * expr.h: Likewise.
7797
7798 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
7799
7800 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
7801 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
7802 gas and not using the new HP assembler.
7803
7804 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
7805
7806 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
7807 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
7808
7809 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
7810
7811 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
7812 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
7813 definition.
7814
7815 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7816
7817 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
7818
7819 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
7820
7821 * except.h: Add outer_context_label_stack.
7822 * except.c: Likewise.
7823 (expand_start_all_catch): Push the outer_context for the try block
7824 onto outer_context_label_stack.
7825 (expand_end_all_catch): Use it and pop it.
7826
7827 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
7828
7829 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
7830
7831 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
7832
7833 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
7834
7835 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
7836
7837 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
7838 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
7839
7840 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
7841
7842 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
7843 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
7844 __builtin_delete, and __builtin_vec_delete.
7845
7846 * except.c (output_exception_table): Don't bother with
7847 __EXCEPTION_END__.
7848
7849 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
7850
7851 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
7852 is an in/out operand.
7853 (zero extended variants of stwm/stwm patterns): Similarly.
7854
7855 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
7856
7857 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
7858
7859 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
7860 Use assemble_name.
7861 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
7862 (output_call_frame_info): Emit a \n after using it.
7863
7864 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
7865
7866 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
7867
7868 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
7869
7870 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
7871 (ASM_OUTPUT_DWARF_VALUE4): New macro.
7872 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
7873 defined.
7874 (output_call_frame_info): Do not output forward label differences
7875 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
7876 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
7877
7878 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7879
7880 * sh.md (attribute "type"): Add nil.
7881 (movsi_ie): y/y alternative is type nil.
7882 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
7883 alternatives.
7884 (movsf_ie+1): Delete.
7885
7886 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
7887
7888 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
7889 large_int, emit two insns instead of one splitable insn.
7890 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
7891 from cfa_temp_value, use cfa_offset. Add assert checking that
7892 cfa_reg is SP.
7893
7894 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
7895
7896 * cccp.c (deps_output): Properly quote file names for make.
7897
7898 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
7899
7900 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
7901
7902 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
7903
7904 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
7905
7906 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
7907
7908 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
7909 return.
7910 (cse_end_of_basic_block): Similarly.
7911
7912 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
7913
7914 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
7915 (SELECT_RTX_SECTION): Define.
7916 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
7917
7918 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
7919
7920 * Makefile.in (compare, compare-lean): Define $stage for each
7921 shell command.
7922 (gnucompare, gnucompare-lean): Likewise.
7923
7924 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
7925
7926 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
7927
7928 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
7929 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
7930
7931 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
7932
7933 * dwarfout.c (byte_size_attribute): Add local var upper_bound
7934 and add case to handle STRING_TYPE.
7935 * dwarfout.c (output_string_type_die): Fix code to generate
7936 correct string length attribute for fixed length strings.
7937 Still needs support for varying length strings.
7938
7939 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
7940
7941 * toplev.c (get_run_time): Do something sensible for cygwin32.
7942
7943 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
7944
7945 * expr.c (expand_builtin_setjmp): Set
7946 current_function_has_nonlocal_label.
7947 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
7948 call-saved registers across calls.
7949
7950 * alpha.md (exception_receiver): Remove.
7951 (nonlocal_goto_receiver_osf): New
7952 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
7953 (nonlocal_goto_receiver): New, select _osf or _vms.
7954
7955 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
7956 keep them from being propogated to the object file.
7957 (alpha_write_linkage): Likewise.
7958 * alpha.md (call_vms): Likewise.
7959 (call_value_vms): Likewise.
7960 (unnamed osf call insns): Likewise.
7961
7962 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
7963 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7964
7965 * alpha.c (call_operand): Any reg is valid for WinNT.
7966 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
7967 (anon nt calls): Add 'R' alternative.
7968 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
7969 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
7970
7971 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
7972
7973 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
7974
7975 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
7976 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
7977 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
7978
7979 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
7980
7981 * reload1.c (new_spill_reg): Improve fixed or forbidden register
7982 spill error message.
7983
7984 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7985
7986 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
7987 use varargs.h. Wrap header with <>, not "".
7988
7989 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
7990
7991 * integrate.c (save_for_inline_copying): Add return value from
7992 savealloc.
7993
7994 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
7995
7996 * fixincludes: Be a little more restrictive on what we will
7997 substitute to replace definitions of MAXINT for HPUX.
7998
7999 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8000
8001 * dbxout.c (dbxout_symbol_location): Don't assume that variables
8002 whose address is the stack or argument pointers are indirect
8003 pointers.
8004
8005 1997-11-13 Paul Eggert <eggert@twinsun.com>
8006
8007 * cccp.c, cpplib.c (compare_defs):
8008 Don't complain about arg name respellings unless pedantic.
8009 * cpplib.c (compare_defs): Accept pfile as new arg.
8010 All callers changed.
8011
8012 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8013
8014 * fold-const.c (fold_truthop): Fix bug in last change.
8015
8016 1997-11-13 Paul Eggert <eggert@twinsun.com>
8017
8018 Fix some confusion with IEEE minus zero.
8019
8020 * real.h (REAL_VALUES_IDENTICAL): New macro.
8021
8022 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
8023 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
8024 identical to 0.0.
8025 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
8026 same tree structure as 0.0.
8027
8028 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
8029 macro instead of doing it by hand.
8030
8031 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
8032
8033 * v850/lib1funcs.asm: Minor whitespace changes.
8034 * v850.c: Fix minor formatting problems in many places.
8035 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
8036
8037 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
8038
8039 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
8040 xplus1 when xplus0 is not a register.
8041
8042 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
8043
8044 * flow.c (find_basic_blocks): During marking phase, if we encounter
8045 an insn with a REG_LABEL note, make the target block live and
8046 create an edge from the insn to the target block. Do not make
8047 edges from all blocks to the target block.
8048
8049 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8050
8051 * confiugre.in: Tweak NCR entries.
8052 * configure: Rebuilt.
8053
8054 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8055
8056 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8057 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8058 and CONST_DOUBLE_HIGH.
8059
8060 * rs6000.md (define_splits for DF constants): Use the appropriate
8061 REAL_VALUE_* interface to pick apart DF floating point constants in
8062 a machine independent fashion.
8063
8064 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8065
8066 * fold-const.c (fold_truthop): When changing a one-bit comparison
8067 against zero into a comparison against mask, do a proper sign
8068 extension.
8069
8070 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8071
8072 * except.c: Do not include "assert.h".
8073 (save_eh_status): Turn asserts into conditional aborts.
8074 (restore_eh_status, scan_region): Likewise.
8075 * dwarfout.c: Do not include "assert.h".
8076 (bit_offset_attribute): Turn asserts into conditional aborts.
8077 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8078 (output_inlined_structure_type_die): Likewise.
8079 (output_inlined_union_type_die): Likewise
8080 (output_tagged_type_instantiation): Likewise.
8081 (dwarfout_file_scope_decl): Likewise.
8082 * dwarf2out.c: Do not include "assert.h"
8083 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
8084 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
8085 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
8086 (add_bit_size_attribute, scope_die_for): Likewise.
8087 (output_pending_types_for_scope): Likewise.
8088 (get_inlined_enumeration_type_die): Likewise.
8089 (get_inlined_structure_type_die): Likewise.
8090 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
8091 (gen_tagged_type_instantiation_die): Likewise.
8092
8093 * flow.c (find_basic_blocks): Refine further to get a more correct
8094 cfg, especially in the presense of exception handling, computed
8095 gotos, and other non-trivial cases. Call abort if an inaccuracy
8096 is detected in the cfg.
8097
8098 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8099
8100 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
8101
8102 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
8103 (skip_white_space): Use whitespace_cr.
8104 (check_newline): Handle whitespace more consistently.
8105
8106 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
8107
8108 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
8109 * i386/xm-cygwin32.h (POSIX): Define.
8110
8111 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
8112
8113 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
8114 is available elsewhere.
8115
8116 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
8117
8118 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
8119 what the instruction can handle.
8120
8121 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
8122
8123 * stmt.c (expand_decl_cleanup_no_eh): New fn.
8124
8125 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
8126
8127 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
8128
8129 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
8130 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
8131
8132 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
8133
8134 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
8135 swap instruction order.
8136
8137 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
8138
8139 * fixinc.svr4 (__STDC__): Add another case.
8140
8141 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8142
8143 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
8144 addresses in the epilogue delay slot.
8145
8146 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
8147
8148 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
8149 in generated `specs' file.
8150
8151 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
8152
8153 * flags.h (flag_rerun_loop_opt): Declare.
8154 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
8155 * toplev.c (flag_rerum_loop_opt): Delete static.
8156
8157 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8158
8159 Bring over from FSF:
8160
8161 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8162
8163 * va-sh.h (__va_arg_sh1): Define.
8164 (va_arg): Use it.
8165 SH3E doesn't use any integer registers for subsequent arguments
8166 once a non-float value was passed in the stack.
8167 * sh.c (machine_dependent_reorg): If optimizing, put explicit
8168 alignment in front label for ADDR_DIFF_VEC.
8169 * sh.h (PASS_IN_REG_P): Fix SH3E case.
8170 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
8171
8172 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8173
8174 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
8175 svr4.h.
8176
8177 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8178
8179 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
8180 put an use_sfunc_addr before each sfunc.
8181 * sh.md (use_sfunc_addr, dummy_jump): New insns.
8182 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
8183
8184 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8185
8186 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
8187
8188 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
8189
8190 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
8191 linked once FDEs.
8192
8193 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
8194
8195 * alias.c (find_base_value): Only return the known base value for
8196 pseudo registers.
8197
8198 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
8199
8200 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
8201 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
8202 to pattern.
8203 (prologue_get_pc_and_set_got): New pattern.
8204
8205 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
8206
8207 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
8208 for SUBREG, just fall through.
8209
8210 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
8211
8212 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
8213
8214 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
8215
8216 * fixincludes: Fix "hypot" prototype in NeXT math.h.
8217
8218 * Makefile.in (USE_ALLOCA): Always include alloca.o.
8219 (USE_HOST_ALLOCA): Likewise.
8220
8221 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
8222 and LABEL_REFS fields.
8223 * rtl.h (LABEL_REFS): Update.
8224
8225 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
8226
8227 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
8228 sets i2dest. When calling distribute_notes for i3dest_killed, pass
8229 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
8230 sets i1dest.
8231
8232 * mips.md (insv, extzv, extv): Add change_address call.
8233 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
8234
8235 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
8236
8237 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
8238
8239 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
8240 save_restore_insns if no FP and GP will be restored.
8241
8242 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
8243 Convert CCmode to word_mode before calling GET_MODE_SIZE.
8244
8245 * acconfig.h (HAVE_INTTYPES_H): Undef.
8246 * configure.in (inttypes.h): Check for conflicts between sys/types.h
8247 and inttypes.h, and verify that intmax_t is defined.
8248 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
8249 * config/mips/x-iris3: Likewise.
8250
8251 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
8252
8253 * alias.c (find_base_value): When copying arguments, return the
8254 tenative value for a hard register.
8255
8256 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
8257
8258 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
8259 (yylex): Record wide strings using target endianness, not host.
8260
8261 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
8262
8263 * mn10200.h (ASM_OUTPUT_BSS): Delete.
8264 (ASM_OUTPUT_ALIGNED_BSS): New macro
8265 * mn10300.h (ASM_OUTPUT_BSS): Delete.
8266 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8267 * v850.h (ASM_OUTPUT_BSS): Delete.
8268 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8269
8270 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8271
8272 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
8273
8274 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
8275
8276 * configure.in (sco5): Use cpio to install header files.
8277
8278 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
8279
8280 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
8281 14 char length.
8282 * configure: Rebuild.
8283
8284 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
8285
8286 * i386/sco5.h: enable -gstabs once again.
8287
8288 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
8289
8290 * arm.c (output_move_double): Allocate 3 entries in otherops array.
8291
8292 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
8293
8294 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
8295 notes for sjlj exceptions too.
8296 (expand_eh_region_end): Similarly for EH_REGION_END notes.
8297 (exception_optimize): Optimize EH regions for sjlj exceptions too.
8298 * final.c (final_scan_insn): Don't output labels for EH REGION
8299 notes if doing sjlj exceptions.
8300
8301 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
8302
8303 * alias.c (init_alias_analysis): Handle -fno-alias-check when
8304 optimizing correctly.
8305
8306 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
8307 or set current_function_calls_setjmp anymore.
8308
8309 * flow.c (find_basic_blocks): If we delete the label for an
8310 exception handler, remove it from the EH label list and remove
8311 the EH_BEGIN/EH_END notes for that EH region.
8312
8313 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
8314
8315 * flow.c (find_basic_blocks): Generate correct flow control
8316 information when exception handling notes are present.
8317
8318 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
8319
8320 * dwarf2out.c (output_call_frame_info): Fix length argument
8321 to ASM_OUTPUT_ASCII.
8322 (output_die, output_pubnames, output_line_info): Likewise.
8323
8324 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
8325
8326 * version.c: Bump for snapshot.
8327
8328 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
8329 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
8330 flag_debug_asm is on.
8331 (output_die, output_pubnames, output_line_info): Likewise.
8332
8333 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
8334 and static_chain_rtx into the potential base values array if
8335 they are registers.
8336
8337 * alias.c (new_reg_base_value): New array of potential base values.
8338 (unique_id): Now file scoped static.
8339 (find_base_value, case REG): Return the value in reg_base_value
8340 array for the REG if it exists. Else, return the value from
8341 new_reg_base_value if copying args and REG is a hard register.
8342 (find_base_value, case PLUS): If either operand of the PLUS is
8343 a REG, try to get its base value. Handle base + index and
8344 index + base.
8345 (record_set): Use new_reg_base_value instead of reg_base_value.
8346 (init_alias_analysis): Allocate space for new_reg_base_value too.
8347 Rework code to iterate over the insns propagating base value
8348 information until nothing changes.
8349
8350 * global.c (global_alloc): Free the conflict matrix after
8351 reload has finished.
8352
8353 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
8354
8355 * libgcc2.c (L_eh): Define __eh_pc.
8356 Replace __eh_type with generic pointer __eh_info.
8357
8358 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8359
8360 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
8361 use copy_to_reg if address is not a general_operand.
8362
8363 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8364
8365 * profile.c (output_func_start_profiler): Clear flag_inline_functions
8366 for the duration of the call to rest_of_compilation.
8367
8368 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
8369
8370 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
8371 Set extra_parts.
8372 (sparc*-*-*): Recognize --with-cpu=v9.
8373 * sparc/elf.h: New file.
8374 * sparc/t-elf: New file.
8375
8376 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
8377
8378 * mn10300.c (const_8bit_operand): New function.
8379 (mask_ok_for_mem_btst): New funtion.
8380 * mn10300.md (btst patterns with mem operands): Use new functions
8381 to avoid creating btst instructions with invalid operands.
8382
8383 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
8384
8385 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
8386 are running on PowerPC Linux.
8387
8388 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
8389
8390 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
8391 if not previously defined.
8392
8393 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
8394
8395 * function.c (assign_parms): Correct mode of stack_parm if
8396 entry_parm underwent a mode conversion.
8397
8398 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
8399
8400 * global.c (global_alloc): Use xmalloc instead of alloca for
8401 CONFLICTS, since max_allocno * allocno_row_words alone can be more
8402 than 2.5Mb sometimes.
8403
8404 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
8405
8406 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
8407 DEST for the spill, adjust mode of SRC to compensate.
8408
8409 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
8410
8411 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
8412 since any_memory_operand() allows pseudos during reload.
8413 (reload_inhi, reload_outqi, reload_outhi): Likewise.
8414
8415 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
8416
8417 * m68k.md (btst patterns): Add 5200 support.
8418
8419 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8420
8421 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
8422 optimizations, look inside dividend to determine if the expression
8423 can be simplified by using EXACT_DIV_EXPR.
8424
8425 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
8426
8427 From Brendan:
8428 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
8429
8430 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
8431
8432 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
8433
8434 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
8435
8436 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
8437 on a CLOBBER.
8438
8439 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
8440
8441 * alpha.md (movqi, movhi): Make sure new insns created during reload
8442 won't need reloading themselves.
8443 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
8444
8445 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
8446
8447 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
8448
8449 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
8450
8451 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
8452 Patch from Klaus Kaempf <kkaempf@progis.de>.
8453
8454 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
8455
8456 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
8457 to an element in a constant string.
8458
8459 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
8460
8461 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
8462 bit PC-relative offset. The exception range table pointer is now in
8463 the CIE.
8464 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
8465 (count_fdes, add_fdes, get_cie): Adjust.
8466 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
8467
8468 From H.J. Lu:
8469 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
8470
8471 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
8472
8473 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
8474 like stack_pointer_rtx.
8475
8476 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
8477
8478 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
8479 targets using "$@" to provide support for similar but not identical
8480 targets without having to duplicate code.
8481 (bootstrap4): New goal.
8482
8483 * Makefile.in (compare, compare-lean, compare3): Combined to one
8484 ruleset determining actions to be performed via $@.
8485 (compare4, compare4-lean): New targets.
8486 (gnucompare, gnucompare3): Combined to one ruleset determining
8487 actions to be performed via $@. Also, note which files failed
8488 the comparison test in .bad_compare.
8489 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
8490
8491 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8492
8493 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
8494 if the dividend is a multiple of the divisor.
8495
8496 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
8497
8498 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
8499
8500 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
8501 and POS_DEC.
8502
8503 * alias.c (true_dependence): Fix typo.
8504
8505 * toplev.c (flag_rerun_loop_opt): New variable.
8506 (f_options): Handle -frerun-loop-opt.
8507 (rest_of_compilation): If -frerun-loop-opt, then run the loop
8508 optimizer twice.
8509 (main): Enable -frerun-loop-opt by default for -O2 or greater.
8510
8511 * loop.c (simplify_giv_expr): Adding two invariants results
8512 in an invariant.
8513
8514 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
8515
8516 * expr.c (get_inner_reference): Remove the array bias after
8517 converting the index to Pmode.
8518
8519 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
8520
8521 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
8522 (TARGET_MULT_BUG): Define.
8523 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
8524 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
8525
8526 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
8527
8528 * mn10200.c (indirect_memory_operand): Delete unused function.
8529 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
8530 * mn10200.md (bset, bclr insns): Handle output in a reg too.
8531
8532 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
8533
8534 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
8535 the callee's ldgp, we must do it ourselves, and we use the jsr tag
8536 for more than scheduling.
8537
8538 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
8539
8540 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
8541
8542 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
8543
8544 * mn10300.c (symbolic_operand, legitimize_address): New functions.
8545 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
8546 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
8547
8548 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
8549
8550 * version.c: Bump for snapshot.
8551
8552 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8553
8554 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
8555 for FILENAME.
8556
8557 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
8558
8559 * toplev.c (flag_exceptions): Default value is 2.
8560 (compile_file): If flag_exceptions still has the value 2, then
8561 set it to 0.
8562
8563 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
8564 (rs6000_save_machine_status): Save pic_offset_table_rtx.
8565 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
8566
8567 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
8568 are shared.
8569
8570 * rs6000.md (*movsi_got_internal_mem): New pattern.
8571 (*movsi_got_internal_mem splitter): New define_split.
8572
8573 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
8574
8575 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
8576
8577 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8578
8579 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
8580 only need to save LR.
8581
8582 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
8583
8584 * mn10300.md (movqi, movhi): Avoid using address registers as
8585 destinations unless absolutely necessary.
8586
8587 * mn10200.c (expand_prologue): Fix typo.
8588
8589 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
8590 addresses.
8591 * mn10200.md (neghi2): Provide an alternative which works if
8592 the input and output register are the same.
8593
8594 * mn10300.c (print_operand): Handle 'S'.
8595 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
8596 shift amount in last alternative
8597
8598 * mn10300.c (expand_epilogue): Rework to handle register restores
8599 in "ret" and "retf" instructions correctly.
8600
8601 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
8602
8603 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
8604 extzv for memory operands.
8605
8606 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
8607 redundant conditional moves to single operand.
8608
8609 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
8610
8611 * v850.h: Move define of __v850__ from CPP_PREDEFINES
8612 to CPP_SPEC.
8613
8614 * xm-v850.h: Use __v850 rather than __v850__ to
8615 identify v850 port.
8616
8617 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
8618
8619 * mips/mips.c (compute_frame_size): Not a leaf function if
8620 profile_flag set.
8621
8622 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8623
8624 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
8625
8626 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
8627
8628 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
8629 (DEFAULT_ARCH32_P): New macro.
8630 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
8631 (enum cmodel): Declare.
8632 (sparc_cmodel_string,sparc_cmodel): Declare.
8633 (SPARC_DEFAULT_CMODEL): Provide default.
8634 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
8635 (TARGET_FULLANY): Deleted.
8636 (TARGET_CM_MEDMID): New macro.
8637 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
8638 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8639 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
8640 (CPP_SPEC): Rewrite.
8641 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8642 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
8643 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8644 (ASM_SPEC): Add %(asm_arch).
8645 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
8646 Rename asm_default to asm_cpu_default.
8647 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
8648 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
8649 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
8650 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
8651 (MASK_INT64,MASK_LONG64): Delete.
8652 (MASK_ARCH64): Renamed to MASK_64BIT.
8653 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
8654 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
8655 (TARGET_SWITCHES): Always provide 64 bit options.
8656 (ARCH64_SWITCHES): Delete.
8657 (TARGET_OPTIONS): New option -mcmodel=.
8658 (INT_TYPE_SIZE): Always 32.
8659 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
8660 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
8661 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
8662 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
8663 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
8664 CPP_SPEC.
8665 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8666 * sparc/linux.h: Likewise.
8667 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
8668 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8669 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
8670 (SPARC_DEFAULT_CMODEL): Define.
8671 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8672 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8673 (LONG_DOUBLE_TYPE_SIZE): Define.
8674 (ASM_SPEC): Add %(asm_arch).
8675 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8676 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8677 (TARGET_CPU_DEFAULT): Add ultrasparc case.
8678 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
8679 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
8680 (SPARC_DEFAULT_CMODEL): Define.
8681 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
8682 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
8683 MASK_LONG64, MASK_MEDANY.
8684 (SPARC_DEFAULT_CMODEL): Define.
8685 (CPP_PREDEFINES): Delete.
8686 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8687 (ASM_SPEC): Add %(asm_arch).
8688 (LONG_DOUBLE_TYPE_SIZE): Define.
8689 (DWARF2_DEBUGGING_INFO): Define.
8690 * sparc/splet.h (CPP_SPEC): Delete.
8691 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8692 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
8693 (BLOCK_PROFILER): Likewise.
8694 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
8695 (sparc_override_options): Handle code model selection.
8696 (sparc_init_expanders): Renamed from sparc64_init_expanders.
8697 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
8698 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
8699 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
8700 (sethi_di_fullany): Delete.
8701
8702 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
8703 Jeff Law <law@cygnus.com>
8704 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8705
8706 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
8707 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
8708 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
8709 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
8710 * alpha/alpha.md (arg_home): Likewise.
8711
8712 * alpha/alpha.c (vmskrunch): Delete
8713 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
8714 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
8715 truncate to 64 characters.
8716
8717 * make-l2.com: Support openVMS/Alpha.
8718
8719 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
8720
8721 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8722
8723 * longlong.h (count_leading_zeros): Add missing casts to USItype.
8724
8725 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
8726
8727 * i386/bsd386.h (ASM_COMMENT_START): Define.
8728
8729 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8730
8731 * tree.c (restore_tree_status): Also free up temporary storage
8732 when we finish a toplevel function.
8733 (dump_tree_statistics): Print stats for backend obstacks.
8734
8735 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
8736
8737 * expr.c (use_group_regs): Don't call use_reg for MEMs.
8738
8739 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
8740
8741 * libgcc2.c (__throw): Don't copy the return address.
8742 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
8743
8744 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
8745 * toplev.c (main): Initialize exceptions_via_longjmp.
8746
8747 * tree.c: Add extra_inline_obstacks.
8748 (save_tree_status): Use it.
8749 (restore_tree_status): If this is a toplevel inline obstack and we
8750 didn't want to save anything on it, recycle it.
8751 (print_inline_obstack_statistics): New fn.
8752 * function.c (pop_function_context_from): Pass context to
8753 restore_tree_status.
8754 * obstack.h (obstack_empty_p): New macro.
8755
8756 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
8757
8758 * i386/freebsd.h (ASM_COMMENT_START): Fix.
8759
8760 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
8761
8762 * v850.c (ep_memory_offset): New function.
8763 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
8764
8765 * v850.h (CONST_OK_FOR_*): Add and correct comments.
8766 (CONSTANT_ADDRESS_P): Add comment.
8767 (EXTRA_CONSTRAINT): Define 'U'.
8768 * v850.md: Add comments on bit field instructions.
8769 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
8770 (lshrsi3): Use N not J constraint.
8771
8772 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
8773
8774 * v850.c (reg_or_0_operand): Call register_operand.
8775 (reg_or_int5_operand): Likewise.
8776 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
8777 (TARGET_SWITCHES): Add "big-switch".
8778 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
8779 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
8780 (CASE_DROPS_THROUGH): Comment out.
8781 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
8782 * v850.md (cmpsi): Delete compare mode.
8783 (casesi): New pattern.
8784
8785 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
8786 * v850.md (ashlsi3): Use SImode not QImode for shift count.
8787 (lshrsi3): Likewise.
8788
8789 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
8790 unreachable switch statement after 'b' support. Remove "b" from
8791 strings for 'b' support.
8792 * v850.md (branch_normal, branch_invert): Change %b to b%b.
8793
8794 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
8795
8796 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
8797 empty line if @inhibit_libc@ is empty.
8798
8799 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
8800
8801 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
8802 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
8803 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8804 (DWARF2_UNWIND_INFO): Let this track object file format.
8805 (EXTRA_SECTIONS): Add in_eh.
8806 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
8807 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8808
8809 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
8810
8811 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
8812 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
8813 TARGET_MEDANY.
8814 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
8815 (output_double_int): Output DI mode values correctly when
8816 HOST_BITS_PER_WIDE_INT is 64.
8817 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
8818 fmovd so it works if a quad float ends up in one of the upper 32
8819 float regs.
8820 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
8821 necessary for PIC support on sparc64.
8822
8823 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
8824
8825 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
8826 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
8827 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
8828 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
8829 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
8830 (SPARC_FP_ARG_FIRST): New macro.
8831 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
8832 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
8833 (NPARM_REGS): There are 32 fp argument registers now.
8834 (FUNCTION_ARG_REGNO_P): Likewise.
8835 (FIRST_PARM_OFFSET): Update to new v9 abi.
8836 (REG_PARM_STACK_SPACE): Define for arch64.
8837 (enum sparc_arg_class): Delete.
8838 (sparc_arg_count,sparc_n_named_args): Delete.
8839 (struct sparc_args): Redefine and use for arch32 as well as arch64.
8840 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
8841 (FUNCTION_ARG_ADVANCE): Rewrite.
8842 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
8843 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
8844 (FUNCTION_ARG_CALLEE_COPIES): Delete.
8845 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
8846 (STRICT_ARGUMENT_NAMING): Define.
8847 (doublemove_string): Declare.
8848 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
8849 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
8850 (doublemove_string): New function.
8851 (output_move_quad): Clean up some of the arch64 support.
8852 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
8853 Don't add 8 bytes of reserved space if arch64.
8854 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
8855 (init_cumulative_args): New function.
8856 (function_arg_slotno): New static function.
8857 (function_arg,function_arg_partial_nregs): New functions.
8858 (function_arg_{pass_by_reference,advance}): New functions.
8859 (function_arg_padding): New function.
8860 * ginclude/va-sparc.h: Rewrite v9 support.
8861
8862 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8863
8864 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
8865 for hard regs to determine base and index registers.
8866
8867 * reload.c (debug_reload_to_stream): New function. Specify stream
8868 into which to write debug info.
8869 (debug_reload): Modify to call debug_reload_to_stream with stderr.
8870
8871 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
8872
8873 * combine.c (can_combine_p): Don't combine with an asm whose
8874 output is a hard register.
8875
8876 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
8877
8878 * c-decl.c (start_struct): Ensure that structs with forward
8879 declarations are in fact packed when -fpack-struct is given.
8880
8881 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
8882 we are packing a structure. This allows a structure with only
8883 bytes to be aligned on a byte boundary and have no padding on a
8884 m68k.
8885
8886 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8887
8888 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
8889
8890 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
8891
8892 * alpha.c (alpha_return_addr_rtx): New variable.
8893 (alpha_save_machine_status): New; save it.
8894 (alpha_restore_machine_status): New; restore it.
8895 (alpha_init_expanders): New; clear it.
8896 (alpha_return_addr): New; set it.
8897 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
8898 is overly conservative, so search the insns explicitly.
8899 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
8900 (alpha_sa_size [VMS && !VMS]): Likewise.
8901 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
8902 (INIT_EXPANDERS): New definition.
8903
8904 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
8905 (output_prolog [!VMS]): Use them.
8906
8907 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
8908 (alpha_does_function_need_gp): ... a new function. Refine the
8909 CALL_INSN test to just TYPE_JSR.
8910 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
8911
8912 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
8913
8914 * version.c: Bump for snapshot.
8915
8916 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8917
8918 * pa.c (move_operand): Respect -mdisable-indexing.
8919 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
8920
8921 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
8922
8923 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
8924 PPC601.
8925 (umulsidi3,umulsi3_highpart): Ditto.
8926 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
8927
8928 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
8929
8930 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
8931 (alpha_handle_trap_shadows): ... a new function. Handle the entire
8932 function in one go. Emit RTL for trapb, instead of printf directly.
8933 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
8934 (trap_pending): Kill global variable.
8935 (output_epilog): Don't call final_prescan_insn.
8936 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
8937 * alpha.h (FINAL_PRESCAN_INSN): Remove.
8938 (MACHINE_DEPENENT_REORG): Define.
8939 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
8940 (trapb): New insn.
8941
8942 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
8943
8944 Tune Haifa scheduler for Alpha:
8945 * alpha.h (ISSUE_RATE): Define.
8946 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
8947 EV4 adjustments to EV5.
8948 * alpha.md: Remove all scaling from function unit delays. Rework
8949 EV5 function units to match the CPU.
8950 (umuldi3_highpart): EV5 added the IMULH insn class.
8951
8952 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
8953
8954 * pa.c (following_call): Fail if the CALL_INSN is an indirect
8955 call.
8956
8957 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
8958
8959 * cplus-dem.c (demangle_signature): Don't look for return types on
8960 constructors. Handle member template constructors.
8961
8962 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
8963
8964 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
8965 * tree.h: Declare them.
8966
8967 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
8968
8969 * configure.in: Handle --with-newlib.
8970 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
8971
8972 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
8973
8974 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
8975
8976 * config/ptx4.h: Fix typo.
8977
8978 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
8979
8980 * version.c: Bump for snapshot.
8981
8982 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
8983
8984 * aclocal.m4: Substitute INSTALL.
8985 * configure: Re-built.
8986
8987 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
8988
8989 * integrate.c (save_for_inline_copying): Avoid undefined pointer
8990 operations.
8991 (expand_inline_function): Likewise.
8992
8993 * dwarf2out.c (output_call_frame_info): Reinstate last change
8994 using flag_debug_asm check instead of flag_verbose_asm.
8995
8996 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
8997
8998 * dwarf2out.c (output_call_frame_info): Remove last change.
8999
9000 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9001
9002 * frame.c (__frame_state_for): Execute the FDE insns until the
9003 current pc value is strictly bigger than the target pc value.
9004
9005 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
9006
9007 * regclass.c (init_reg_modes): If we can't find a mode for the
9008 register, use the previous one.
9009
9010 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
9011
9012 * haifa-sched.c (print_block_visualization): Call fprintf directly,
9013 don't sprintf through an alloca'ed buffer.
9014
9015 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
9016
9017 * reload.c (decompose): Always initialize val.base.
9018
9019 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9020
9021 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
9022 instead of aborting.
9023 * dwarf2out.c (output_call_frame_info): Call app_enable and
9024 app_disable to let GNU as accept the generated comments.
9025
9026 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
9027
9028 * tree.h (get_file_function_name): Add declaration.
9029 * dwarf2out.c (output_call_frame_info): No need to cast
9030 get_file_function_name call anymore.
9031 * profile.c (toplevel): Remove get_file_function_name
9032 declaration.
9033 * c-lang.c (finish_file): Ditto.
9034
9035 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
9036
9037 * Makefile.in (program_transform_name): Let autoconf substitute
9038 the correct value.
9039
9040 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
9041
9042 * haifa-sched.c (schedule_block): If the first real insn in a
9043 block has any special notes attached to it, remove them.
9044
9045 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
9046
9047 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9048
9049 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9050
9051 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9052
9053 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9054
9055 * Makefile.in (check-g77): New test target.
9056 (CHECK-TARGETS): Add check-g77.
9057
9058 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9059
9060 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9061
9062 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9063
9064 * flow.c (print_rtl_with_bb): Cast alloca return value for
9065 in_bb_p.
9066
9067 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9068
9069 * i386.h (RETURN_ADDR_RTX): New definition that works for
9070 __builtin_return_address(0) and -fomit-frame-pointer.
9071
9072 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9073
9074 Bring over from FSF.
9075 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9076
9077 * mips.c (function_arg): Handle passing a struct
9078 containing a double in a DFmode register without the PARALLEL.
9079
9080 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
9081
9082 * pexecute.c: Use spawn if __CYGWIN32__.
9083
9084 * pexecute.c: Include "config.h" first, as per autoconf manual
9085 (from Paul Eggert <eggert@twinsun.com>).
9086
9087 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9088
9089 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
9090 optimisation for f/expr.o and f/stb.o.
9091
9092 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
9093
9094 * cse.c (this_insn_cc0_mode): Initialize.
9095
9096 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
9097
9098 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
9099
9100 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
9101
9102 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
9103
9104 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
9105 that pair will dual-issue on the 21164 and plus+beq won't.
9106 (bne): Likewise for cmpeq+beq.
9107
9108 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
9109
9110 * except.c (find_exception_handler_labels): Correct argument to free.
9111
9112 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
9113
9114 * except.c (find_exception_handler_labels): Free LABELS when we're
9115 done.
9116
9117 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
9118
9119 * version.c: Bump for snapshot.
9120
9121 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9122
9123 * flow.c (find_basic_blocks): Mark calls as potentially jumping
9124 to the EH labels.
9125
9126 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
9127
9128 * configure.in: Substitute for "install" too.
9129 * configure: Rebuilt.
9130
9131 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
9132
9133 * Makefile.in (bootstrap-lean, compare-lean): New targets.
9134
9135 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
9136
9137 * alias.c (base_alias_check): Two symbols can conflict if they
9138 are accessed via AND.
9139 (memrefs_conflict_p): Likewise.
9140
9141 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
9142 after flushing argument registers to the stack.
9143
9144 * Makefile.in (mostlyclean): Remove .regmove files.
9145
9146 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9147
9148 * libgcc2.c (__throw): Fix thinko.
9149
9150 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
9151
9152 * cplus-dem.c (demangle_template): Add new parameter. Handle new
9153 template-function mangling.
9154 (consume_count_with_underscores): New function.
9155 (demangle_signature): Handle new name-mangling scheme.
9156
9157 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9158
9159 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
9160 start and end.
9161
9162 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
9163
9164 * frame.c: Remove last change.
9165 * dwarf2.h: Remove last change.
9166 * tree.h: Add declarations of DWARF2 unwind info support
9167 functions.
9168
9169 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9170
9171 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
9172 * tree.h (built_in_function): Likewise.
9173 * expr.c (expand_builtin): Likewise.
9174 * except.h: Likewise.
9175 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
9176 * libgcc2.c (copy_reg): New fn.
9177 (__throw): Use it.
9178
9179 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
9180
9181 * c-typeck.c (build_binary_op): Warn about comparing signed vs
9182 unsigned if -W is specified and -Wno-sign-compare is not.
9183 * c-decl.c (warn_sign_compare): Initialize to -1.
9184 (c_decode_option): -Wall no longer implies -Wsign-compare.
9185
9186 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9187
9188 * frame.c: Include gansidecl.h for PROTO.
9189 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
9190 defined. Don't declare dwarf2out_cfi_label here.
9191 * dwarf2.h: Add declarations of DWARF2 unwind info support
9192 functions.
9193 * m68k.c: Include dwarf2.h.
9194 (output_function_prologue): Add dwarf2 support.
9195 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
9196 (INCOMING_FRAME_SP_OFFSET): Likewise.
9197
9198 * integrate.c (expand_inline_function): Make sure there is at
9199 least one insn that can be used as an insertion point.
9200
9201 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9202
9203 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
9204
9205 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
9206
9207 * version.c: Bump for snapshot.
9208
9209 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
9210
9211 Bring over from FSF.
9212
9213 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
9214
9215 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
9216 (get_pc_via_rdpc): Renamed from get_pc_sp64.
9217 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
9218
9219 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
9220
9221 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
9222 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
9223 -malign-functions=.
9224 (sparc_align_{loops,jumps,funcs}_string): Declare.
9225 (sparc_align_{loops,jumps,funcs}): Declare.
9226 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
9227 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
9228 (STACK_BIAS): Define.
9229 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
9230 test.
9231 (SPARC_SETHI_P): New macro.
9232 (CONST_OK_FOR_LETTER_P): Use it.
9233 (ASM_OUTPUT_ALIGN_CODE): Define.
9234 (ASM_OUTPUT_LOOP_ALIGN): Define.
9235 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
9236 (sparc_align_{loops,jumps,funcs}): New globals.
9237 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
9238 -malign-functions=.
9239 (move_operand): Use SPARC_SETHI_P.
9240 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
9241 perform test.
9242 (arith11_double_operand): Likewise.
9243 (arith10_double_operand): Likewise.
9244 (finalize_pic): Finish sparc64 support.
9245 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
9246 64 bit constants if able.
9247 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
9248 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
9249 ! TARGET_FPU.
9250 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
9251 (get_pc_sp32): Use for sparc64 as well.
9252 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
9253 (sethi_di_sp64_const): Likewise.
9254 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
9255 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
9256 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
9257
9258 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
9259
9260 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
9261 * sparc/linux.h (COMMENT_BEGIN): Likewise.
9262 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
9263
9264 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
9265
9266 Add sparc64 linux support.
9267 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
9268 to xm_file list on 32-bit sparc-linux.
9269 * sparc/xm-sp64.h: New file.
9270 * sparc/linux64.h: New file.
9271 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
9272 Don't include xm-sparc.h.
9273 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
9274 * glimits.h (LONG_MAX): Handle sparc64.
9275
9276 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
9277
9278 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
9279 * sparc.h (ASM_COMMENT_START): Define.
9280 * sparc.c (output_function_prologue): Use it.
9281 (sparc_flat_output_function_{epi,pro}logue): Likewise.
9282
9283 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
9284
9285 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
9286 use sparc.h's copies.
9287 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
9288 ascii form as well.
9289
9290 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9291
9292 * sparc.c (dwarf2out_cfi_label): Add declaration.
9293 (save_regs, output_function_prologue): Remove cast for it.
9294 (sparc_flat_{save_restore,output_function_prologue): Likewise.
9295 ({save,restore}_regs): No longer inline.
9296
9297 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9298
9299 * fold-const.c (make_range): Correctly handle cases of converting
9300 from unsigned to signed type.
9301
9302 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9303
9304 * fold-const.c (merge_ranges): Make sure that if one range is subset
9305 of another, it will always be the second range. Correct (+,-) case to
9306 account for this.
9307
9308 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
9309
9310 * final.c (final_end_function): Also do dwarf2 thing if
9311 DWARF2_DEBUGGING_INFO.
9312 (final_start_function): Likewise.
9313
9314 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
9315
9316 * expmed.c (expand_divmod): If compute_mode is not the same as
9317 mode, handle the case where convert_modes() causes op1 to no
9318 longer be a CONST_INT.
9319
9320 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
9321 note holding get_jump_flags() calculation to all JUMP_INSNs.
9322 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
9323 * rtl.c (reg_note_name): Add new note types.
9324
9325 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
9326
9327 * rtlanal.c (computed_jump_p): Fix typo in last change.
9328
9329 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9330
9331 * loop.c (indirect_jump_in_function_p): Return 0
9332 by default.
9333
9334 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
9335
9336 * rs6000/xm-rs6000.h: Fix thinko in last change.
9337 * rs6000/xm-sysv4.h: Likewise.
9338
9339 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
9340
9341 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
9342
9343 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
9344
9345 * reg-stack.c (find_blocks): Fix thinko in last change.
9346
9347 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9348
9349 * m68k.c (output_function_prologue): Add dwarf2 support.
9350
9351 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
9352 INCOMING_FRAME_SP_OFFSET): New definitions.
9353
9354 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9355
9356 * combine.c (try_combine): Use NULL_RTX instead of '0' where
9357 appropriate in calls to gen_rtx().
9358 * cse.c (cse_main): Likewise.
9359 * emit-rtl.c (gen_label_rtx): Likewise.
9360 * expr.c (init_expr_once): Likewise.
9361 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
9362 sched_analyze, init_rgn_data_dependences,
9363 compute_block_backward_dependences): Likewise.
9364 * sched.c (schedule_insns): Likewise.
9365 * varasm.c (immed_double_const): Likewise.
9366
9367 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
9368 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
9369
9370 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
9371
9372 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
9373 (MULTILIB_DEFAULTS): Define.
9374 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
9375 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
9376 (LIBGCC_SPEC): Likewise.
9377 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
9378 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
9379 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
9380 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
9381 (EXTRA_PARTS, TAROUTOPTS): Delete.
9382 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
9383 (MULTILIB_OPTIONS): Define.
9384 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
9385 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
9386
9387 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
9388
9389 * version.c: Bump for snapshot.
9390
9391 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
9392
9393 * loop.c (loop_number): Delete function. Change all references
9394 to use uid_loop_num array.
9395 * loop.h (loop_number): Delete declaration.
9396 * unroll.c (unroll_loop): Change "loop_number" references to
9397 use uid_loop_num instead.
9398
9399 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
9400 conditional.
9401 (loop_unroll_iter): Remove unused variable and all references.
9402 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
9403 (insert_bct): Fix minor formatting problems.
9404 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
9405 (loop_unroll_iter): Removed unused decl.
9406 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
9407 Always record the unrolling factor.
9408
9409 * cse.c (simplify_relational_operation): Set h0u just like h0s.
9410 Similarly for h1u and h1s.
9411
9412 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
9413 (find_basic_blocks): Use computed_jump_p to determine if a
9414 particular JUMP_INSN is a computed jump.
9415 * reg-stack.c (find_blocks): Use computed_jump_p to determine
9416 if a particular JUMP_INSN is a computed jump.
9417 * rtlanal.c (jmp_uses_reg_or_mem): New function.
9418 (computed_jump_p): Likewise.
9419 * rtl.h (computed_jump_p): Declare.
9420 * genattrtab.c (pc_rtx): Define and initialize.
9421 * loop.c (loop_optimize): Always determine if the current
9422 function has a computed jump.
9423 (indirect_jump_in_function_p): Use computed_jump_p to determine
9424 if a particular JUMP_INSN is a computed jump.
9425
9426 * loop.c (fix_bct_param): Delete unused function.
9427 (check_bct_param): Likewise.
9428
9429 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9430
9431 * frame.c (__deregister_frame): Check properly for initialized object.
9432
9433 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9434
9435 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
9436
9437 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9438
9439 * jump.c (thread_jumps): check can_reverse_comparison_p before
9440 threading a reversed-condition jump.
9441
9442 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
9443 * haifa-sched.c (update_flow_info): Likewise.
9444
9445 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
9446
9447 * Makefile.in (BOOT_CFLAGS): Use -O2.
9448
9449 * configure.in (strtoul, bsearch): Have autoconf check for these
9450 functions.
9451 * configure, config.in: Rebuilt.
9452
9453 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
9454 * mips/mips.h (alloca): Likewise.
9455 * rs6000/xm-rs6000.h (alloca): Likewise.
9456 * rs6000/xm-sysv4.h: Likewise.
9457
9458 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
9459
9460 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
9461 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
9462 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
9463
9464 * except.c (end_eh_unwinder): Subtract 1 from return address.
9465 * libgcc2.c (__throw): Likewise.
9466 (find_exception_handler): Don't change PC here. Compare end with >.
9467
9468 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
9469
9470 * v850.c (compute_register_save_size): Correct register
9471 number.
9472 * v850.md (save_interrupt, return_interrupt): Correct
9473 register number.
9474 * v850/lib1funcs.asm (save_interrupt): Correct register number.
9475 (return_interrupt): Use stack pointer, not element pointer.
9476
9477 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
9478
9479 * configure.in, configure: Make sure to create the stage* and include
9480 symbolic links in each subdirectory.
9481
9482 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
9483
9484 * pa.md (reload_peepholes): Don't allow addresses with side
9485 effects for the memory operand.
9486
9487 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9488
9489 * libgcc2.c (find_exception_handler): Subtract one from our PC when
9490 looking for a handler, to avoid hitting the beginning of the next
9491 region.
9492
9493 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
9494
9495 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
9496
9497 * mips/abi64.h (LONG_MAX_SPEC): Define.
9498 * mips.h (LONG_MAX_SPEC): Define.
9499 (CPP_SPEC): Include long_max_spec.
9500 (EXTRA_SPECS): Include long_max_spec.
9501
9502 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
9503
9504 * v850.c (construct_save_jarl): Fix thinko in last change.
9505
9506 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
9507
9508 * version.c: Bump for snapshot.
9509
9510 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9511
9512 * libgcc2.c (find_exception_handler): Not found is -1.
9513
9514 * integrate.c (expand_inline_function): Move expand_start_bindings
9515 after expanding the arguments.
9516
9517 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
9518
9519 * expr.c (expand_expr): Remove previous incorrect change.
9520 If target and slot has no DECL_RTL, then call mark_addressable
9521 again for the slot after we give it RTL.
9522
9523 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
9524
9525 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
9526 again for the slot after we give it RTL.
9527
9528 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
9529
9530 * v850.c (register_is_ok_for_epilogue,
9531 pattern_is_ok_for_epilogue, construct_restore_jr,
9532 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
9533
9534 * v850.h (pattern_is_ok_for_prologue,
9535 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
9536 predicates.
9537
9538 * v850.md: Replace prologue and epilogue patterns with a
9539 match_parallel pattern.
9540
9541 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
9542
9543 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
9544 * configure.in: Use EGCS_PROG_INSTALL.
9545
9546 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
9547
9548 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
9549 extern inline function.
9550
9551 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
9552
9553 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
9554 (concat_loc_descriptor): New function.
9555 (loc_descriptor): Call it.
9556 (add_AT_location_description): Also elide the descriptor if both
9557 halves of a CONCAT are pseudos.
9558 (add_location_or_const_value_attribute): Recognize CONCAT too.
9559
9560 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
9561
9562 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
9563
9564 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
9565 out-or-range reg_offset.
9566 (output_epilog): Likewise.
9567
9568 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
9569
9570 * cse.c (simplify_relational_operation): If MODE specifies a
9571 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
9572 is derived from the sign bit of the low word.
9573
9574 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9575
9576 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
9577
9578 * dwarf2.h: Add DW_CFA_GNU_args_size.
9579 * frame.c (execute_cfa_insn): Likewise.
9580 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
9581 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
9582 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
9583 insn, hand it off to dwarf2out_stack_adjust.
9584 (dwarf2out_begin_prologue): Initialize args_size.
9585 * frame.h (struct frame_state): Add args_size.
9586 * libgcc2.c (__throw): Use args_size.
9587 * final.c (final_scan_insn): If we push args, hand off all insns
9588 to dwarf2out_frame_debug.
9589 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
9590
9591 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
9592 Handle epilogue restore of SP from FP.
9593 * emit-rtl.c (gen_sequence): Still generate a sequence if the
9594 lone insn has RTX_FRAME_RELATED_P set.
9595
9596 * frame.c (extract_cie_info): Handle "e" augmentation.
9597 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
9598 absence of UNALIGNED_*_ASM_OP.
9599 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
9600 (output_call_frame_info): Use "e" instead of "z" for augmentation.
9601 Don't emit augmentation fields length.
9602 (dwarf2out_do_frame): Move outside of #ifdefs.
9603 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
9604 opcodes.
9605
9606 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
9607 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
9608 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
9609 * sparc/sun4gas.h: New file.
9610 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
9611
9612 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
9613 __register_frame_table and __deregister_frame.
9614
9615 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
9616
9617 * except.c (find_exception_handler_labels): Use xmalloc instead of
9618 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
9619 in some cases.
9620
9621 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
9622
9623 * Makefile.in: Various changes to build info files
9624 in the object tree rather than the source tree.
9625
9626 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
9627
9628 * fixinc.math: New file to fix math.h on some systems.
9629 * configure.in (freebsd, netbsd): Use fixinc.math on these
9630 systems.
9631 * configure: Rebuilt.
9632
9633 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
9634
9635 * regmove.c (regmove_optimize): If we end up moving the
9636 original insn due to lifetime overlaps, make sure to move
9637 REG_NOTES too.
9638
9639 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
9640
9641 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
9642
9643 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
9644
9645 * haifa-sched.c (add_branch_dependences): Make each insn in
9646 a SCHED_GROUP_P block explicitly depend on the previous insn.
9647
9648 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9649
9650 * except.h: Prototype dwarf2 hooks.
9651 * expr.c: Adjust.
9652
9653 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
9654
9655 * configure.in (native_prefix): Delete.
9656 (mips-dec-netbsd): Don't set prefix.
9657 (*linux*): Don't set prefix.
9658
9659 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
9660
9661 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
9662 defined. If not defined, include <sys/varargs.h> if
9663 HAVE_SYS_VARARGS_H is defined.
9664 * configure.in: Test for varargs.h and sys/varargs.h.
9665 * configure: Regenerate with autoconf.
9666 * config.in: Regenerate with autoheader.
9667
9668 * cpplib.c (quote_string): Cast first arg of sprintf call
9669 from "unsigned char *" to "char *".
9670 (output_line_command): Ditto.
9671 (macroexpand): Ditto.
9672 (do_line): Cast atoi arg from "unsigned char *" to "char *".
9673
9674 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
9675
9676 * version.c: Bump for snapshot.
9677
9678 * Makefile.in (compare): Exit with nonzero status if there
9679 are comparison failures. Note which files failed the
9680 comparison test in .bad_compare.
9681
9682 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9683
9684 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
9685
9686 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
9687
9688 * Makefile.in (LN, LN_S): New macros, use where appropriate.
9689 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
9690 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
9691 * configure: Regenerated.
9692
9693 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
9694
9695 * loop.c (strength_reduce): Fix typo.
9696
9697 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
9698
9699 * m88k/m88k.c (struct option): Rename to struct options.
9700 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
9701 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
9702 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
9703 __DOLPHIN__ or sysV88.
9704
9705 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
9706
9707 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
9708 create new subreg.
9709
9710 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
9711
9712 * config.sub: Accept 'amigados' for backward compatability.
9713
9714 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9715
9716 * Makefile.in (testsuite/site.exp): New target.
9717 (check-gcc, check-g++): Depend on testsuite/site.exp.
9718 Don't stop for failure.
9719
9720 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
9721
9722 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
9723 if DWARF2_UNWIND_INFO.
9724
9725 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
9726
9727 Add support for exception handling using DWARF 2 frame unwind info.
9728 Currently works on SPARC and MIPS, and almost on x86.
9729
9730 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
9731 next_stack_level, in_reg_window): Helper fns.
9732 (__throw): Implement for DWARF2_UNWIND_INFO.
9733
9734 * expr.c (expand_builtin): Handle builtins used by __throw.
9735 * tree.h (enum built_in_function): Add builtins used by __throw.
9736 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
9737 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
9738 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
9739 (expand_builtin_extract_return_addr): Likewise.
9740 (expand_builtin_frob_return_addr): Likewise.
9741 (expand_builtin_set_return_addr_reg): Likewise.
9742 (expand_builtin_eh_stub): Likewise.
9743 (expand_builtin_set_eh_regs): Likewise.
9744 (eh_regs): Choose two call-clobbered registers for passing back values.
9745
9746 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
9747 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
9748 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
9749 (stmp-multilib): Likewise.
9750 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
9751
9752 * except.c: #include "defaults.h".
9753 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
9754 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
9755 (register_exception_table_p): New fn.
9756 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
9757 (end_eh_unwinder): Likewise.
9758
9759 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
9760 call __register_frame and __deregister_frame as needed.
9761 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
9762 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
9763 EH_FRAME_SECTION_ASM_OP.
9764 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
9765 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
9766 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
9767
9768 * dwarf2out.c (output_call_frame_info): If no support for
9769 EXCEPTION_SECTION, mark the start of the frame info with a
9770 collectable tag.
9771 * collect2.c (frame_tables): New list.
9772 (is_ctor_dtor): Recognise frame entries.
9773 (scan_prog_file): Likewise.
9774 (main): Pass -fno-exceptions to sub-compile. Also do collection
9775 if there are any frame entries.
9776 (write_c_file_stat): Call __register_frame_table and
9777 __deregister_frame as needed.
9778 (write_c_file_glob): Likewise.
9779
9780 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
9781 Also require unaligned reloc support.
9782 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
9783 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
9784 * sparc/sysv4.h: Not here.
9785
9786 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
9787 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
9788 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
9789
9790 * libgcc2.c (L_eh): Reorganize, moving code shared by different
9791 EH implementations to the top.
9792 (find_exception_handler): Split out. Start from 0. Compare against
9793 end with >=.
9794 (__find_first_exception_table_match): Use it.
9795 * except.c (output_exception_table): Don't do anything if there's
9796 no table. Don't output a first entry of zeroes.
9797 (eh_outer_context): Adjust properly.
9798 (add_eh_table_entry): Use xrealloc.
9799 * toplev.c (compile_file): Just call output_exception_table.
9800
9801 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
9802
9803 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
9804
9805 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
9806
9807 * except.c (eh_outer_context): Do masking using expand_and.
9808
9809 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
9810
9811 Add port done awhile ago for the ARC cpu.
9812 * arc/arc.h: New file.
9813 * arc/arc.c: New file.
9814 * arc/arc.md: New file.
9815 * arc/initfini.c: New file.
9816 * arc/lib1funcs.asm: New file.
9817 * arc/t-arc: New file.
9818 * arc/xm-arc.h: New file.
9819 * ginclude/va-arc.h: New file.
9820 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
9821 * ginclude/varargs.h: Likewise.
9822 * Makefile.in (USER_H): Add va-arc.h.
9823 * configure.in (arc-*-elf*): Recognize.
9824 * longlong.h: Add ARC support.
9825
9826 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
9827
9828 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
9829 when clearing non-BLKmode data.
9830
9831 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
9832
9833 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
9834 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
9835
9836 * xm-m88k.h (USG): Only define if it hasn't already been defined.
9837
9838 * Makefile.in (risky-stage1): Delete gratutious whitespace.
9839
9840 * Makefile.in (clean): Delete libgcc1-test.
9841
9842 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
9843
9844 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
9845
9846 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
9847 template.
9848
9849 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9850
9851 * dwarf2out.c (output_call_frame_info): Call named_section.
9852
9853 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
9854
9855 * haifa-sched.c (print_value): Fix last change.
9856
9857 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
9858
9859 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
9860 write_symbols.
9861
9862 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
9863
9864 * mips.c (function_prologue): Set up the CFA when ABI_32.
9865
9866 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
9867 for dwarf2 unwind info.
9868 (output_function_prologue, sparc_flat_output_function_prologue): Same.
9869
9870 * final.c (final_end_function): Check dwarf2out_do_frame instead
9871 of DWARF2_DEBUG for dwarf2 unwind info.
9872 (final_scan_insn): Likewise.
9873 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
9874 (final): Not here.
9875
9876 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
9877 count > 0.
9878
9879 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
9880
9881 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
9882
9883 * v850.h (ASM_SPEC): Pass on target processor.
9884 (CPP_PREDEFINES): Only define if not already specified.
9885 (TARGET_VERSION): Only define if not already specified.
9886 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
9887 processor.
9888 (EXTRA_SWITCHES): Extra entries in the switches array.
9889 (TARGET_DEFAULT): Set default target processor.
9890
9891 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
9892
9893 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
9894 cases, add %# and %/, and add : to make them into extended asms.
9895
9896 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
9897
9898 * alias.c (init_alias_analysis): Clean up incompatible pointer
9899 type warning in bzero.
9900 * regmove.c (regmove_optimize): Ditto.
9901 * haifa-sched.c (find_rgns): Ditto.
9902
9903 * haifa-sched.c (print_value): Clean up ptr->int cast
9904 warnings.
9905
9906 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
9907
9908 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
9909 * install.texi (Configurations): Ditto.
9910 * config.sub: Ditto.
9911
9912 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
9913
9914 * Makefile.in (sdbout.o): Depend on insn-config.h.
9915
9916 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
9917
9918 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
9919 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
9920
9921 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
9922
9923 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
9924 prologue insn, only the first elt is significant.
9925 (output_call_frame_info): For exception handling, always use 4-byte
9926 fields as specified by the dwarf2 spec.
9927 Don't skip trivial FDEs.
9928
9929 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
9930
9931 * version.c: Bump for snapshot.
9932
9933 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
9934
9935 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
9936 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
9937 when op1_is_pow2.
9938
9939 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
9940
9941 * final.c (shorten_branches): During first pass, assume worst
9942 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
9943
9944 * Makefile.in (distclean): Remove various things left around
9945 by running the testsuite.
9946
9947 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
9948
9949 * configure.in (out_file): Emit definition to config.status in order
9950 to have a defined value for configure.lang.
9951 * configure: Re-built.
9952
9953 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
9954
9955 * configure.in: Make symlink to as-new rather than as.new. Similarly
9956 for ld-new.
9957 * configure: Rebuilt.
9958
9959 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
9960
9961 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
9962
9963 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
9964
9965 * sparc/sparc.md: Add ultrasparc scheduling support.
9966 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
9967
9968 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9969
9970 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
9971 as initial value for real_label_map.
9972 (copy_for_inline): Likewise.
9973
9974 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9975
9976 * sched.c (update_flow_info) When looking if to set found_split_dest
9977 or found_orig_dest, look at all parts of a PARALLEL.
9978 * haifa-sched.c (update_flow_info): Likewise.
9979
9980 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
9981
9982 * v850: New directory for v850 port.
9983 * v850/lib1funcs.asm: New file.
9984 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
9985 * ginclude/va-v850.h: New file.
9986 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
9987 * configure.in (mn10200-*-*): New target.
9988 * configure: Rebuilt.
9989 * config.sub: Handle v850-elf.
9990 * Makefile.in (USER_H): Add va-mn10200.h.
9991 * invoke.texi: Document v850 stuff.
9992
9993 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
9994
9995 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
9996 has integer TYPE_{MAX,MIN}_VALUE before using them.
9997
9998 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
9999 __HPUX_ASM__ versions.
10000
10001 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
10002
10003 * install.sh: Delete duplicate install script.
10004
10005 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
10006
10007 * reg-stack.c (subst_stack_regs): Pop the stack register for a
10008 computed goto which sets the same stack register.
10009
10010 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
10011 destination are both on the regstack.
10012 (subst_stack_regs_pat): Put the destination at the top of the regstack.
10013
10014 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
10015
10016 * mips.md (nonlocal_goto_receiver): Define.
10017
10018 * profile.c (output_arc_profiler): Check next_insert_after for non
10019 NULL before deferencing it.
10020
10021 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
10022
10023 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
10024
10025 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
10026
10027 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
10028
10029 * toplev.c (rest_of_compilation): For passes starting with
10030 flow_analysis, use print_rtl_with_bb instead of print_rtl.
10031
10032 * print-rtl.c (print_rtl_single): Print a single rtl value to a
10033 file.
10034
10035 * flow.c (print_rtl_with_bb): Print which insns start and end
10036 basic blocks. For the start of a basic block, also print the live
10037 information.
10038
10039 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
10040
10041 * toplev.c (main): Change #elif to #else/#ifdef
10042
10043 * tlink.c: Include ctype.h.
10044 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
10045
10046 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10047
10048 * bitmap.c: Conditionally include stdlib.h.
10049 (free): Provide a declaration if NEED_DECLARATION_FREE.
10050
10051 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10052
10053 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10054
10055 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10056
10057 * profile.c (output_arc_profiler): Verify next_insert_after is an
10058 INSN before and after skipping a stack pop.
10059
10060 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10061
10062 * final.c (shorten_branches): Don't count the lengths of deleted
10063 instructions.
10064
10065 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10066
10067 * version.c: Bump for snapshot.
10068
10069 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10070
10071 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10072 two bitmaps ANDed together.
10073 (bitmap_print): Declare.
10074
10075 * bitmap.c (function_obstack): Don't declare any more.
10076 (bitmap_obstack): Obstack for allocating links from.
10077 (bitmap_obstack_init): New static to say whether to initialize
10078 bitmap_obstack.
10079 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10080 (bitmap_release_memory): Free all memory allocated from
10081 bitmap_obstack.
10082
10083 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
10084 EXECUTE_IF_AND_IN_BITMAP.
10085
10086 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
10087
10088 * alias.c (true_dependence): Address with AND can alias scalars.
10089 (anti_dependence, output_dependence): Likewise.
10090
10091 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
10092
10093 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
10094
10095 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
10096 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
10097 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
10098 definitions. Use -qrtems instead of -mrtems.
10099
10100 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
10101
10102 * xm-sco5.h (sys_siglist): Define.
10103 (SYS_SIGLIST_DECLARED): Likewise.
10104
10105 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
10106
10107 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
10108
10109 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
10110
10111 * except.c (eh_outer_context): Expand masking operation using
10112 expand_binop.
10113
10114 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
10115
10116 * alpha.md (floatdisf2-1): New pattern.
10117
10118 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
10119
10120 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
10121 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
10122 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
10123 * gcc.texi: Note that if you define sys_siglist that you should
10124 also define SYS_SIGLIST_DECLARED.
10125
10126 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
10127 are relative to the next instruction, not the current instruction.
10128
10129 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
10130
10131 * local-alloc.c (contains_replace_regs): New function.
10132 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
10133 verify that there is no existing REG_EQUIV note, and add a call to
10134 contains_place_regs.
10135
10136 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10137
10138 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
10139 (STARTFILE_SPEC): Always use crtbegin.o%s
10140 (ENDFILE_SPEC): Always use crtend.o%s.
10141
10142 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
10143
10144 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
10145 is passed in.
10146 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
10147 SFmode for 64 bit hosts.
10148
10149 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
10150
10151 * fixincludes: Permits spaces between # and define. Discard C++
10152 comments in sys/pci.h on HP/UX 10.20.
10153
10154 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
10155
10156 * version.c: Bump for snapshot.
10157
10158 * pa.c (restore_unscaled_index_insn_codes): New function.
10159 (record_unscaled_index_insn_codes): Likewise.
10160 (output_function_prologue): Call restore_unscaled_index_insn_codes.
10161 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
10162 (pa_reorg): Call record_unscaled_index_insn_codes.
10163
10164 * haifa-sched.c (move_insn): Handle notes correctly for insns
10165 with SCHED_GROUP_P set.
10166
10167 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10168
10169 * alpha/xm-linux.h (USE_BFD): Undef before define.
10170
10171 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
10172
10173 * cse.c (cse_insn): Don't record BLKmode values.
10174
10175 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
10176
10177 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
10178
10179 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
10180
10181 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
10182 * collect2.c (sys_errlist): Likewise.
10183 * cpplib.c (sys_errlist): Likewise.
10184 * gcc.c (sys_errlist): Likewise.
10185 * protoize (sys_errlist): Likewise.
10186 * configure.in: Check for strerror.
10187 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
10188 * xm-gnu.h (HAVE_STRERROR): Likewise.
10189 * xm-linux.h (HAVE_STRERROR): Likewise.
10190 * xm-netbsd.h (HAVE_STRERROR): Likewise.
10191 * xm-bsd386.h (HAVE_STRERROR): Likewise.
10192 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
10193 * xm-dos.h (HAVE_STRERROR): Likewise.
10194 * xm-mingw32.h (HAVE_STRERROR): Likewise.
10195 * xm-pa.h (HAVE_STRERROR): Likewise.
10196 * xm-papro.h (HAVE_STRERROR): Likewise.
10197 * xm-sysv4.h (HAVE_STRERROR): Likewise.
10198 * configure, config.in: Rebuilt.
10199
10200 * Makefile.in: Add several missing "else true" clauses.
10201
10202 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
10203 * mips-tfile.c: Likewise.
10204 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
10205 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
10206 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
10207 * configure.in: Check for sys_siglist declaration.
10208 * configure, config.in: Rebuilt.
10209
10210 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
10211
10212 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
10213 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
10214 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
10215 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
10216 * rs6000/sysv4.h (extra_subtarget_switches): Added new
10217 macro EXTRA_SUBTARGET_SWITCHES.
10218 * configure.in (sh*-*-rtems*): New target.
10219 * sh/rtems.h: New file.
10220 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
10221 * configure: Rebuilt.
10222
10223 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
10224
10225 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
10226
10227 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
10228
10229 * rs6000.md: Make DF fused-add operations pay attention to
10230 -mno-fused-add.
10231
10232 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
10233
10234 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
10235
10236 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
10237
10238 * pa.md (reload_peepholes): Make sure operand is a REG before
10239 examining REGNO. Allow general registers too.
10240
10241 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
10242
10243 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
10244
10245 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
10246
10247 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
10248 to reallocate abbrev_die_table.
10249
10250 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
10251
10252 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
10253
10254 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10255
10256 * Makefile.in (config.status): Depend on version.c
10257
10258 * expr.h (insn_gen_function): Reenable prototype.
10259
10260 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
10261 first parameter.
10262
10263 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
10264
10265 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
10266
10267 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
10268
10269 * version.c: Bump for latest snapshot.
10270
10271 * bc-optab.c: Conditionally include stdlib.h.
10272 (free): Provide a declaration if NEED_DECLARATION_FREE.
10273 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
10274 * rtl.h (free): Remove declaration.
10275 * tree.h (free): Remvoe declaration.
10276
10277 * configure: Rebuilt.
10278
10279 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
10280
10281 * flags.h (flag_move_all_movables): Declare.
10282 (flag_reduce_all_givs): Likewise.
10283 * loop.c (move_movables): Handle flag_move_all_movables.
10284 (strength_reduce): Handle flag_reduce_all_givs.
10285 * toplev.c (flag_move_all_movables): Define.
10286 (flag_reduce_all_givs): Likewise.
10287 (f_options): Add -fmove-all-movables and -freduce-all-givs.
10288 * invoke.texi: Document new options, including alias stuff that
10289 wasn't included last time.
10290
10291 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
10292
10293 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
10294 * t-mn10200: Ditto.
10295 * t-vxsparc: Ditto.
10296 * t-vxworks68: Ditto.
10297 * t-vxworks960: Ditto.
10298 * t-vx29k: Ditto.
10299
10300 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
10301
10302 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
10303 if not already defined, and USE_C_ALLOCA not defined.
10304
10305 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
10306
10307 * config.guess: Replace with script that uses ../config.guess.
10308
10309 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
10310 if USE_GNULIBC_1 is not defined.
10311
10312 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
10313
10314 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
10315 * config.guess: Recognize alpha-linux-gnulibc1.
10316 * configure.in (alpha-*-linux-gnulibc1): New target.
10317 (alpha-*-linux-gnu*): Don't build crtbegin/end.
10318
10319 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
10320
10321 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
10322 last change.
10323
10324 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
10325
10326 * loop.c (combine_movables): Earlier insns don't match later ones.
10327
10328 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10329
10330 * config/linux.h (CC1_SPEC): Define it only if not defined.
10331
10332 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
10333 <linux.h>
10334
10335 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
10336 USE_GNULIBC_1 is not defined.
10337
10338 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
10339
10340 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
10341 as 1 if USE_GNULIBC_1 is not defined.
10342
10343 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
10344
10345 * reorg.c (dbr_schedule): Allow current_function_return_rtx
10346 to be something other than a REG.
10347 * function.c (expand_function_end): Fix current_function_return_rtx
10348 if it was a pseudo.
10349
10350 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
10351 * x-netbsd: Likewise
10352 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
10353 (INSTALL_HEADERS): Delete.
10354 * x-dguxbcs: Likewise.
10355 * x-hp3bsd44: Likewise
10356 * x-pa: Likewise.
10357
10358 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10359
10360 * i386.md (pop): pop increments the stack pointer.
10361 (prologue_set_stack_ptr): New pattern.
10362 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
10363 instead of subsi3.
10364
10365 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
10366
10367 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
10368 address where an offsettable address is required.
10369
10370 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
10371
10372 * loop.c (check_final_value): Don't miss a biv increment in a
10373 parallel.
10374
10375 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
10376
10377 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
10378 TYPE_DECL_IS_STUB instead of DECL_NAME.
10379
10380 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10381
10382 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
10383
10384 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
10385
10386 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
10387
10388 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
10389
10390 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
10391 (find_post_sched_live): Likewise.
10392
10393 * haifa-sched.c (schedule_block): Remove old code to get arguments
10394 from hard regs into pseudos early.
10395
10396 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
10397
10398 * version.c: Bump for new snapshot.
10399
10400 * local-alloc.c (update_equiv_regs): All the target to reject
10401 promotion of some REG_EQUAL to REG_EQUIV notes.
10402 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
10403
10404 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
10405 secondary reloads.
10406
10407 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
10408 store of the argument registers.
10409
10410 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
10411
10412 * fold-const.c (multiple_of_p): New function.
10413 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
10414
10415 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
10416
10417 * expr.h (insn_gen_function): Temporarily remove prototype.
10418
10419 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
10420
10421 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
10422 filenames. Use sed to extract base filename for install.
10423
10424 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
10425
10426 * unroll.c (find_splittable_givs): Only share if two givs have the
10427 same add and multiply values.
10428
10429 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
10430
10431 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
10432 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
10433
10434 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
10435
10436 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
10437 around branch tables.
10438 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
10439 and .end_brtab directives if TARGET_GAS.
10440
10441 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
10442
10443 * alias.c (true_dependence): Pass x_addr not x to varies.
10444
10445 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
10446 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
10447 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
10448 declarations.
10449 * config.in, configure: Regenerate.
10450
10451 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
10452
10453 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
10454 LO_SUM.
10455 (record_set): Handle LO_SUM like PLUS.
10456 (init_alias_analysis): When following chains of base addresses,
10457 do not stop on reaching a hard register.
10458
10459 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
10460
10461 * version.c: Bump for new snapshot.
10462
10463 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
10464
10465 * alpha.h (ARCH_ASM_FILE_START): Define.
10466 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
10467 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
10468
10469 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
10470
10471 * Makefile.in (install-common): Put gcov comment at start of line.
10472
10473 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
10474
10475 * alias.c (init_alias_analysis): When simplifying the reg_base_value
10476 array, simplify entries for hard registers too.
10477
10478 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
10479
10480 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
10481 list.
10482
10483 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
10484
10485 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
10486 block_stack before dereferencing it.
10487
10488 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
10489
10490 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
10491
10492 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10493
10494 * cplus-dem.c: Add 'extern' to prepends_underscore.
10495
10496 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
10497
10498 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
10499 (get_issue_rate): Delete.
10500 * pa.h (ISSUE_RATE): Define.
10501
10502 * configure.in: Turn on haifa by default for the PA.
10503 * configure: Rebuilt.
10504 * pa.c (override_options): Accept -mschedule=7200 option.
10505 (pa_adjust_cost): No longer need to scale costs for newer
10506 processors.
10507 * pa.h (enum processor_type): Add PROCESSOR_7200.
10508 * pa.md: Revamp scheduling parameters to work better with
10509 haifa. Add scheduling parameters for the 7200.
10510
10511 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
10512 insns too.
10513 (schedule_block): When adjusting basic_block_{head,end}, account
10514 for movement of SCHED_GROUP_P insns too.
10515
10516 * haifa-sched.c (debug_dependencies): Fix thinko.
10517
10518 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
10519 (site.exp, check, check-g++, check-gcc): New targets.
10520
10521 * haifa-sched.c: Make lots of variables static.
10522
10523 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10524
10525 * expr.h, real.h: Finish prototyping.
10526
10527 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
10528
10529 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
10530 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
10531 * reload1.c: Undo bugfix from Aug 11.
10532
10533 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
10534
10535 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
10536 quotes around the name.
10537 * configure: Regenerate.
10538
10539 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
10540
10541 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
10542
10543 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
10544
10545 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
10546 to sub-makes to avoid building more passes than the user might have
10547 requested on the command line.
10548
10549 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
10550
10551 * configure.in: Expurgate `broken_install' (install is
10552 autoconfed).
10553
10554 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
10555 relevant).
10556
10557 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
10558
10559 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
10560 functions and declarations.
10561 (analyze_loop_iterations): Use condjump_p.
10562 (insert_bct): Likewise. Use exact_log2.
10563
10564 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
10565
10566 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
10567 (schedule_region): Likewise.
10568 (schedule_insns): Likewise.
10569
10570 * PROJECTS: Update with Haifa stuff.
10571
10572 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
10573
10574 * version.c: Change the version string to look like:
10575 egcs-2.90.00 970814 (gcc2-970802 experimental).
10576
10577 * loop.c (is_conditional_branch): Make definition match declaration.
10578
10579 * gcc.c: Take out experimental snapshot warning message.
10580
10581 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
10582
10583 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
10584 print out the names of the notes. Print out the name of the insn
10585 that is not a note, and not an {,CALL_,JUMP_}INSN.
10586
10587 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10588
10589 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10590 again for the slot after we give it RTL.
10591
10592 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
10593
10594 * configure.in (haifa configury): Fix typo.
10595 * configure: Regenerate.
10596
10597 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
10598
10599 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
10600
10601 * gcc.info*: Rebuilt.
10602
10603 * COPYING.g77, README.g77: New files.
10604 * real.c (ereal_unto_float, ereal_unto_double): New functions.
10605 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
10606 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
10607
10608 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
10609
10610 * Integrate Haifa instruction scheduler.
10611 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
10612 to sched with $(SCHED_CFLAGS.
10613 * configure.in: Handle --enable-haifa.
10614 * configure: Rebuilt.
10615 * flags.h: Add new flags for haifa instruction scheduler.
10616 * genattrtab.c (expand_units): For haifa, don't subtract one
10617 when computing blockage.
10618 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
10619 (flag_schedule_speculative): Ditto.
10620 (flag_schedule_speculative_load): Ditto.
10621 (flag_schedule_speculative_load_dangerous): Ditto.
10622 (flag_schedule_reverse_before_reload): Ditto.
10623 (flag_schedule_reverse_after_reload): Ditto.
10624 (flag_branch_on_count_reg): Ditto.
10625 (f_options): Add Haifa switches.
10626 (main): Turn off some Haifa options if appropriate macro is
10627 defined. Process Haifa switches.
10628 * unroll.c (iteration_info): No longer static, since Haifa
10629 scheduler uses it.
10630 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
10631 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
10632 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
10633 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
10634 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
10635 storage for the Haifa scheduler.
10636 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
10637 LABEL_NEXTREF.
10638 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
10639 are defined, call analyze_loop_iterations and insert_bct to use
10640 countdown loops.
10641 (record_giv): Refine test for jumps out of loops if HAIFA is
10642 defined.
10643 (analyze_loop_iterations): New function to identify if we can use
10644 a countdown loop.
10645 (insert_bct): Insert countdown loop.
10646 (instrument_loop_bct): Low level code to insert countdown loop.
10647 (loop_number): Calculate UID of loop.
10648 (indirect_jump_in_function_p): Return true if an indirect jump is
10649 in the function.
10650 (is_power_of_2): Return true if value is a power of 2.
10651 (is_conditional_branch): Return true if insn is a conditional
10652 jump.
10653 (fix_bct_param): Process -fbct-{min,max}-N switches.
10654 (check_bct_param): Return true if loop should be instrumented.
10655 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
10656 (loop_optimize): Initialize.
10657 (get_condition_for_loop): Ditto.
10658 * loop.c (strength_reduce): Inside of code that uses #ifdef
10659 HAVE_decrement_and_branch_on_count code, test it to make sure the
10660 condition is true.
10661 (instrument_loop_bct): Ditto.
10662 * haifa-sched.c: New file.
10663
10664
10665 * Integrate regmove pass.
10666 * Makefile.in (OBJS): Add regmove.o
10667 (regmove.o): Add dependencies.
10668 * flow.c (find_use_as_address): No longer static.
10669 * rtl.h (find_use_as_address): Declare.
10670 * toplev.c (regmove_dump, flag_regmove): Define.
10671 (f_options): Add -fregmove.
10672 (regmove_dump_file, regmove_time): Define.
10673 (fatal_insn): Close the regmove dump file.
10674 (compile_file): Initialize regmove_time; open/close the regmove dump
10675 file as needed. Print regmove time as needed.
10676 (rest_of_compilation): Run regmove pass if requested, dump
10677 RTL after regmove if requested.
10678 (main): If -O2 or more, turn on regmove. Handle dump switches.
10679 * regmove.c: New file.
10680
10681 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
10682
10683 * Integrate tlink patch from jason@cygnus.com
10684 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
10685 (process_command): Increment n_switches for them. Don't discard
10686 their args. Validate them.
10687 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
10688 From Rohan Lenard.
10689 (process_command): Set include_prefixes from COMPILER_PATH.
10690 (main): Set COLLECT_GCC_OPTIONS sooner.
10691 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
10692 * tlink.c, hash.c, hash.h: New files.
10693 * Makefile.in (USE_COLLECT2): Always use collect2.
10694 (collect2): Depend on and link in hash.o and tlink.o.
10695 (tlink.o, hash.o): Add dependencies.
10696
10697 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
10698
10699 * Integrate alias analysis changes from jfc@mit.edu
10700 * Makefile.in (OBJS): Add alias.o
10701 (alias.o): Add dependencies.
10702 * alias.c: New file.
10703 * sched.c: Remove alias analysis code. It lives in alias.c now.
10704 (sched_analyze_2): Add new arguments to true_dependence.
10705 (schedule_insns): Always call init_alias_analysis.
10706 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
10707 mark return value from such functions as a pointer and keep track of
10708 them for alias analysis. If a return value from a function is a
10709 pointer, mark it as such.
10710 * combine.c (distribute_notes): Handle REG_NOALIAS.
10711 * cse.c (struct write_data): Delete. No longer needed.
10712 (invalidate): Don't call set_nonvarying_address_components anymore.
10713 Use true_dependence to decide if an entry should be removed from
10714 the hash table.
10715 (invalidate_memory): Remove WRITES argument, simplify appropriately.
10716 Fix all callers.
10717 (note_mem_written): Similarly for WRITE_PTR argument.
10718 (invalidate_from_clobbers): Similarly for W argument.
10719 (invalidate_for_call): Remove memory elements from the hash table.
10720 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
10721 (cse_rtx_varies_p): New function. Derived from old
10722 cse_rtx_addr_varies_p.
10723 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
10724 Don't call note_mem_written anymore. Stack pushes invalidate the stack
10725 pointer if PUSH_ROUNDING is defined. No longer need to call
10726 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
10727 (skipped_writes_memory): Remove variable.
10728 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
10729 (invalidate_skipped_block): Simplify for new alias analysis code.
10730 (cse_set_around_loop): Likewise.
10731 (cse_main): Call init_alias_analysis.
10732 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
10733 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
10734 (f_options): Add new alias checking arguments.
10735 (main): Set flag_alias_check when optimizing.
10736 * local_alloc (validate_equiv_mem_from_store): Add new arguments
10737 to true_dependence.
10738 (memref_referenced_p): Likewise.
10739 * loop.c (NUM_STORES): Increase to 30.
10740 (prescan_loop): Only non-constant calls set unknown_address_altered.
10741 (invariant_p): Add new arguments to true_dependence.
10742 (record_giv): Initialize unrolled and shared fields.
10743 (emit_iv_add_mult): Call record_base_value as needed.
10744 * loop.h (struct induction): Add unrolled and shared fields.
10745 * unroll.c (unroll_loop): Call record_base_value as needed.
10746 (copy_loop_body): Likewise.
10747 (final_biv_value): Likewise.
10748 (final_giv_value): Likewise.
10749 (find_splittable_regs): Likewise. Only create one new pseudo
10750 if we have multiple address GIVs that were combined with the same
10751 dst_reg GIV. Note when a new register is created due to unrolling.
10752 * rtl.c (reg_note_name): Add REG_NOALIAS.
10753 * rtl.h (enum reg_note): Similarly.
10754 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
10755 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
10756 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
10757 (true_dependence, read_dependence, anti_dependence): Likewise.
10758 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
10759 (mark_user_reg, mark_reg_pointer): Likewise.
10760
10761
10762 * Integrate reload bugfix from Wilon which enables the PA port
10763 to bootstrap again.
10764 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
10765 OPERAND_ADDRESS when computing how many registers an insn needs.
10766 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
10767 conflict.
10768 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
10769 OPADDR_ADDR reload.
10770 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
10771 in reload_reg_use_in_op_addr do not reach the end.
10772 do not reach the end.
10773 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
10774 RELOAD_FOR_OPERAND_ADDRESS.
10775
10776 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
10777
10778 * egcs project officially starts.
10779
10780 Local Variables:
10781 add-log-time-format: current-time-string
10782 End:
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