1 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
5 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
10 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11 'o' to 'm' for GPR variant constraints.
13 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
15 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
17 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
19 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
20 when the source and destination overlap.
22 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
23 clash with global type.
25 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
27 * fixinc.irix: Add curses.h handling from fixinc.wrap.
29 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
31 * c-common.c (combine_strings): Also set TREE_READONLY.
32 Change warn_write_strings to flag_const_strings.
33 * c-decl.c, c-tree.h: Likewise.
35 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
37 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
38 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
39 sequence, use SET/IOR instead so CSE can see it.
40 * config/sparc/sparc.md (movhi_const64_special,
41 movsi_const64_special): New patterns necessitated by that change.
43 (movhi_lo_sum): Change to match an IOR.
44 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
45 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
46 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
47 (movdf splits): Allow when not V9 or when not ARCH64 and integer
48 registers are involved.
49 (snesi_zero_extend split): Remove reload_completed test.
50 (unnamed plus and minus zero_extend sidi splits): Add it.
52 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
54 * extend.texi: Remove description of extension to explicit
55 instantiation that is now endorsed by standard C++.
57 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
59 * config/arc/arc.c (arc_initialize_pic): Remove.
60 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
61 nothing on any platform and is invoked by no-one, it does not even
62 appear in the documentation.
63 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
64 * config/sparc/sparc.c (initialize_pic): Likewise.
65 (find_addr_reg): Remove this as well, no longer referenced after
68 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
70 * recog.c (validate_replace_rtx_group): New function.
71 * recog.h (validate_replace_rtx_group): Declare it.
72 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
73 the entire group of substitutions.
75 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
77 * loop.c (load_mems): Fix initializers.
79 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
81 * config/sparc/sparc.md (TFmode splits): Handle destination
82 registers being referenced in the address correctly.
84 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
85 TREE_UNSIGNED, when bitsize of type's mode is larger than
86 HOST_BITS_PER_WIDE_INT.
88 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
90 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
91 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
92 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
94 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
97 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
99 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
100 * h8300.h (TINY_DATA_NAME_P): Likewise.
101 (STRIP_NAME_ENCODING): Handle '&'.
103 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
104 register (it could be accessed via an outer SUBREG).
105 (REG_OK_FOR_BASE_P): Likewwise.
106 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
108 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
111 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
113 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
115 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
116 must be offsettable so the splits can be made.
118 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
120 * config/i386/winnt.c: Include system.h, not stdio.h to get
121 sys/param.h pulled in before rtl.h in case the system defines MIN
124 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
126 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
128 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
130 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
132 * cpplib.c (cpp_define): Handle macros with parameters.
134 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
136 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
137 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
138 and DImode 64-bit. Use llong for minimal-toc SFmode and
139 SYMBOL_REF / LABEL_REF 64-bit.
140 (output_function_profiler): Use llong for profiler label and ld to
141 load 64-bit label address.
143 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
145 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
148 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
150 * version.c: Bump for snapshot.
152 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
154 * version.c: Bump for snapshot.
156 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
158 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
160 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
162 * tm.texi (Misc): Fix typo "teh".
164 * tm.texi (PIC): Fix typo "PPIC".
166 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
167 effect when -O2 and higher.
168 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
170 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
172 * regclass.c: Changed register set documentation to be consistent
175 * final.c (final_start_function) Removed redundant test for
178 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
180 * rtl.h (rtx_function): New type.
181 (for_each_rtx): New function.
182 * rtlanal.c (for_each_rtx): Define it.
184 * recog.c (change_t): New type.
185 (change_objects, change_old_codes, change_locs, change_olds):
187 (changes): New variable.
188 (validate_change): Dynamically allocate room for more changes, if
189 necessary. Uses changes array instead of change_objects, etc.
190 (apply_change_group): Use changes array instead of
193 * loop.c (loop_mem_info): New type.
194 (loop_mems): New variable.
195 (loop_mems_idx): Likewise.
196 (looop_mems_allocated): Likewise.
197 (scan_loop): Remove nregs parameter.
198 (next_insn_in_loop): New function.
199 (load_mems_and_recount_loop_regs_set): Likewise.
200 (load_mems): Likewise.
201 (insert_loop_mem): Likewise.
202 (replace_loop_mem): Likewise.
203 (replace_label): Likewise.
204 (INSN_IN_RANGE_P): New macro.
205 (loop_optimize): Don't pass max_reg_num() to scan_loop.
206 (scan_loop): Remove nregs parameter, compute it after any new
207 registers are created by load_mems. Use INSN_IN_RANGE_P and
208 next_insn_in_loop rather than expanding them inline. Call
209 load_mems to load memory into pseudos, if appropriate.
210 (prescan_loop): Figure out whether or not there are jumps from the
211 loop to targets other than the label immediately following the
212 loop. Call insert_loop_mem to notice all the MEMs used in the
213 loop, if it could be safe to pull MEMs into REGs for the duration
215 (strength_reduce): Use next_insn_in_loop. Tweak comments.
217 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
219 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
221 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
223 * config/sparc/sparc.c (finalize_pic): Check for the correct
224 nonlocal_goto_receiver UNSPEC number.
225 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
226 making note of this dependency existing in sparc.c
227 (negtf2_notv9 split): Give NEG SFmode.
228 (negsf2): Fix insn output string.
230 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
232 * c-common.c (decl_attributes): Issue an error if the argument
233 to alias is not a string.
235 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
237 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
238 pending memory flush list.
240 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
242 (try_combine): Allow combining insns with REG_LIBCALL notes.
244 * expr.c (emit_block_move): Do not call memcpy as a libcall
245 instead build up a CALL_EXPR and call it like any other
247 (clear_storage): Similarly for memset.
249 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
252 * Makefile.in (cplus-dem.o): Provide explicit rules for building
255 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
256 and REG_LIVE_LENGTH as successful substitutions are made.
258 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
260 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
261 statement after end of loop label.
263 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
265 * config/sparc/sparc.c (ultra_types_avail): New variable.
266 (ultra_build_types_avail): New function to record mask of insn
267 types in ready list at this cycle.
268 (ultrasparc_sched_reorder): Call it.
269 (ultra_find_type): Use it to quicken the search. Also simplif
270 dependency check, don't use rtx_equal_p because we know exactly
271 what we are looking for.
273 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
275 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
278 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
280 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
282 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
283 movdf_const_intreg and helper splits): New patterns to move float
284 constants into integer registers.
285 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
288 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
291 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
293 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
295 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
296 a BASE_REGS register is needed as an intermediate when copying
297 a symbolic value into any register class other than BASE_REGS.
299 * expr.c (move_by_pieces): No longer static. Remove prototype.
300 * rtl.h (move_by_pieces): Add extern prototype.
301 * mips.c (expand_block_move): Handle aligned straight line copy by
302 calling move_by_pieces.
304 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
307 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
309 * stmt.c (expand_end_loop): Tidy. Allow unconditional
310 jumps out of the loop to be treated as part of the exit test.
312 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 Jeff Law <law@cygnus.com>
315 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
316 * cplus-dem.c: Delete.
318 * Makefile.in (fold-const.o): depend on $(RTL_H).
320 * fold-const.c: Include rtl.h to get the prototype for
321 `set_identifier_local_value'.
323 * loop.c (express_from_1): Remove unused variable `tmp'.
324 (combine_givs): cast the first argument of bzero to char *.
326 * toplev.c (display_help): Remove unused variable `looking_for_start'.
328 * c-decl.c (init_decl_processing): Remove unneeded &.
330 * alpha.h (alpha_initialize_trampoline): Provide prototype.
332 * except.c (set_exception_lang_code, set_exception_version_code):
333 Change parameter from `short' to `int' to avoid using a gcc
336 * except.h (set_exception_lang_code, set_exception_version_code):
337 Likewise for prototypes.
339 * flow.c (count_reg_references): Remove unused variables `regno'
342 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
344 * prefix.c (translate_name): Cast the result of `alloca'.
346 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
348 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
350 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
352 (valid_dbcc_comparison_p): Mark mode argument as unused.
353 (symbolic_operand): Likewise.
354 (legitimize_pic_address): Likewise.
355 (const_uint32_operand): Likewise.
356 (const_sint32_operand): Likewise.
357 * sched.c [!INSN_SCHEDULING]: Define only dummy function
358 schedule_insns and comment out rest of file.
360 * m68k.c (output_move_simode_const): Use subl to move a zero into an
362 (output_move_[hq]imode): Likewise.
364 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
366 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
367 * invoke.texi: Corresponding changes.
369 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
371 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
373 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
375 * config/sparc/sparc.c (ultra_code_from_mask,
376 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
377 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
378 ultrasparc_sched_init, ultrasparc_variable_issue,
379 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
380 functions to describe UltraSPARC pipeline exactly to Haifa.
381 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
382 as there is nothing the scheduler can do about it. Indicate that
383 REG_DEP_OUTPUT's collide. Fixup formatting.
384 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
385 divide costs on Ultra for DImode.
386 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
388 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
389 ieuN and add call_no_delay_slot to type list.
390 (cti function unit): New unit for branches on UltraSPARC.
391 (subx/addx insns): Set type to misc.
392 (sidi zero/sign extension insns on arch64): Set type to shift.
393 (sign_extendhidi2_insn): Set type to sload.
395 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
397 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
398 (output_epilog): Use if != 0 for offset.
399 (rs6000_fatal_bad_address): Prepare for Intl.
400 * rs6000.h (rs6000_fatal_bad_address): Declare.
401 * rs6000.md (movsfcc, movdfcc): Use else if.
402 (elf_high): Use {liu|lis}.
403 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
404 (movsi): Use rs6000_fatal_bad_address.
406 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
408 * reload.c (find_equiv_reg): Reject equivalences separated
409 by a volatile instruction.
411 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
413 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
415 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
417 * alpha.md (movsicc): Fix mode mismatch.
419 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
421 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
423 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
425 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
427 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
428 write-only modifier from operand 1 constraint.
430 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
432 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
433 emitting a XOR of -1 at the end, emit a NOT instead for combine's
435 (sparc_emit_set_const64): Likewise, also when computing trailing
436 bits do not negate low_bits and make fast_int an int.
438 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
440 * loop.c (add_label_notes): Do not ignore references to labels
441 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
442 * gcse.c (add_label_notes): Similarly.
444 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
446 * m68k.md (adddi_dilshr32): One of the operands must be a register.
447 (adddi_dishl32): Similarly.
449 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
451 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
452 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
453 * cse.c (cse_basic_block): Add parens to shut up warnings.
455 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
457 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
458 sparc_emit_set_const64_longway, const64_is_2insns,
459 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
460 in 64-bit constant formation.
461 * config/sparc/sparc.md (snesi_zero_extend split): Generate
462 rtl for addx not subx.
463 (define_insn movdi_const64_special): Make available even when
464 HOST_BITS_PER_WIDE_INT is not 64.
465 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
466 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
467 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
468 instances of operand 1 inside a QI subreg.
469 (xordi3_sp64_dbl): Remove '%' constraint for op1.
470 (one_cmpldi2_sp64): Fix output string.
471 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
473 (unnamed arch64 ashift DI): Truncate shift count if greater than
476 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
478 * expr.c (store_expr): Don't optimize away load-store pair
479 when either source or destination have a side effect.
481 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
483 * genrecog.c (add_to_sequence): Fatal error if the modes of the
484 operands of SET are incompatible.
486 * alpha.md: Fix max and min patterns so modes of SET operands match.
488 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
490 * configure.in: Avoid [[ by using test and changequote.
491 * configure: Rebuild.
493 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
495 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
497 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
498 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
499 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
500 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
501 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
502 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
503 Fix mismatching modes in SET operands.
504 (conditional move patterns): Fix formatting.
505 (unnamed subx arch64 pattern): Remove duplicate insn.
507 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
509 * config/sparc/sparc.c (const64_operand, const64_high_operand):
510 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
511 (input_operand): Fixup test for what we accept for constant
513 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
515 (safe_constDI): Remove.
516 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
517 gen_safe_XOR64): New functions.
518 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
519 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
521 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
522 available when HOST_BITS_PER_WIDE_INT is not 64.
523 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
524 move before movdi_insn_sp64 pattern.
525 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
526 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
527 symbolic_operand as predicate for second operand.
528 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
529 expander): Give set VOIDmode.
531 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
533 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
535 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
537 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
539 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
541 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
543 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
545 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
547 * install.texi: Various SCO OpenServer tweaks.
549 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
551 * reload1.c (eliminate_regs_in_insn): Handle another case when
552 eliminating the frame pointer to the hard frame pointer. Add
553 missing ep->to_rtx check to one existing case.
555 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
557 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
559 * tree.h: De-conditionalize init_priority code.
561 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
562 * collect2.c (NM_FLAGS): Change from -p to -n.
564 * configure.in: Turn on collect2 for mipstx39-elf.
565 Handle use_collect2=no properly.
567 * c-common.c: De-conditionalize init_priority code.
568 * collect2.c (extract_init_priority, sort_ids): New fns.
569 (main): Call sort_ids.
570 Move sequence_number to file scope.
572 * configure.in: Handle --enable-init-priority.
573 * c-common.c (attrs): Add A_INIT_PRIORITY.
574 (init_attributes, decl_attributes): Likewise.
575 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
576 * tree.c (get_file_function_name_long): Split out...
577 (get_file_function_name): ...from here.
579 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
581 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
584 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
586 * toplev.c (display_help): Add braces to shut up warnings.
587 * tree.c (simple_cst_equal): Likewise.
589 * fold-const.c (non_lvalue): Don't deal with null pointer
591 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
593 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
594 of any size to a pointer.
596 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
598 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
600 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
602 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
604 * mn10300.md (prologue insn): Only save registers which need saving.
605 (epilogue insn): Similarly.
607 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
610 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
612 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
613 VAR_DECL's in gp addressable sections.
615 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
617 * sparc.c: Change return <exp> to <exp>; return; in functions
619 * sparc.md: Add empty semicolon statement after final label in
622 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
624 * config/sparc/sparc.md (define_insn addx_extend): Rename to
625 addx_extend_sp64, only allow when TARGET_ARCH64.
626 (define_insn addx_extend_sp32 and split): Version that works when
628 (define_insn subx_extend): Likewise.
629 (define_split adddi3 and subdi3 with zero extension): Fixup and
630 correct bugs when not TARGET_ARCH64.
632 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
634 * except.c (set_exception_lang_code, set_exception_version_code):
635 Use prototype-style definition if __STDC__, to match declaration
638 * genemit.c: Change FAIL and DONE macros not to use loops.
640 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
642 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
643 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
645 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
647 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
649 * README.g77: Update from Craig.
651 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
653 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
655 (safe_constDI sparc_emit_set_const64_quick1,
656 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
657 analyze_64bit_constant, const64_is_2insns,
658 create_simple_focus_bits): Fix some bugs when compiled on real
660 (function_arg_record_value_3, function_arg_record_value_2,
661 function_arg_record_value): Add fully prototyped forward decls.
662 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
663 to cmpsi_insn and use on both 64 and 32 bit targets.
664 (define_insn cmpsi_insn_sp64): Remove.
665 (define_expand zero_extendsidi2): Allow for 32-bit target too.
666 (define_insn zero_extendsidi2_insn): Rename to
667 zero_extendsidi2_insn_sp64.
668 (define_insn zero_extendsidi2_insn_sp32): New pattern and
669 assosciated forced split for it.
671 * config/sparc/sparc.c (const64_operand, const64_high_operand):
673 * config/sparc/sparc.h: Declare them.
674 (PREDICATE_CODES): Add them.
675 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
676 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
678 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
680 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
681 in v9 case as the latter makes the Solaris assembler crash.
683 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
685 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
686 for TFmode when !v9. We require offsettable memory addresses.
687 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
688 DFmode register number conversions.
689 * config/sparc/sparc.md (define_split DFmode moves): If register
690 is a SUBREG do alter_subreg on it before using.
691 (define_expand movtf): Fixup comment about alignment on v9.
692 (define_split TFmode moves): Don't use gen_{high,low}part, create
693 explicit SUBREGs instead.
695 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
697 * Makefile.in (mbchar.o): Depend on mbchar.c.
699 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
700 Richard Henderson <rth@cygnus.com>
702 Rewrite Sparc backend for better code generation and
703 improved sparc64 support.
704 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
706 * config/sparc/sysv4.h: Likewise.
707 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
708 move_operand, v8plus_regcmp_op, emit_move_sequence,
709 singlemove_string, doublemove_string, mem_aligned_8,
710 output_move_double, output_move_quad, output_fp_move_double,
711 move_quad_direction, output_fp_move_quad, output_scc_insn):
713 (small_int_or_double): New predicate.
714 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
715 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
716 old pic_{sethi,lo_sum}_si patterns.
717 (mem_min_alignment): New generic function to replace
718 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
719 available and can test for arbitrary alignments. All callers
721 (save_regs, restore_regs, build_big_number,
722 output_function_prologue, output_cbranch, output_return,
723 sparc_flat_save_restore, sparc_flat_output_function_prologue,
724 sparc_flat_output_function_epilogue): Prettify
726 (output_function_epilogue): Likewise and add code to output
727 deferred case vectors.
728 (output_v9branch): Likewise, add new arg INSN and use it to tack
729 on branch prediction settings. All callers changed.
730 (print_operand): Likewise and output %l44 for LO_SUMs when
732 (sparc_splitdi_legitimate): New function to make sure DImode
733 splits can be run properly when !arch64.
734 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
735 Reformat example code in comments.
736 (set_extends): Remove UNSPEC/v8plus_clear_high case.
737 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
738 of deferred case vectors we need to output.
739 (sparc_defer_case_vector): Record a case vector.
740 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
741 sparc_output_deferred_case_vectors): New functions to output them.
742 (sparc_emit_set_const32): New function to form 32-bit constants in
743 registers when that requires more than one instruction.
744 (safe_constDI, sparc_emit_set_const64_quick1,
745 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
746 analyze_64bit_constant, const64_is_2insns,
747 create_simple_focus_bits, sparc_emit_set_const64): New functions
748 which do the same for 64-bit constants when arch64.
749 (sparc_emit_set_symbolic_const64): New function to emit address
750 loading for all code models on v9.
751 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
752 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
753 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
754 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
755 inaccuracies in comments, add symbolic and text_segment operands
756 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
757 GENERAL_REGS in these cases as a temp REG is needed to load these
758 addresses into a register properly.
759 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
761 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
762 quads are guarenteed to have 16-byte alignment.
763 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
764 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
765 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
766 deferred case vector implementation.
767 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
768 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
769 Generate "internal label - label" instead of "label - 1b".
770 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
771 (PREDICATE_CODES): Remove sparc_operand, move_operand,
772 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
774 (doublemove_string, output_block_move, output_fp_move_double,
775 output_fp_move_quad, output_move_double, output_move_quad,
776 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
777 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
778 (sparc_emit_set_const32, sparc_emit_set_const64,
779 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
780 mem_min_alignment, small_int_or_double): Add externs.
781 * config/sparc/sparc.md: Document the many uses of UNSPEC and
782 UNSPEC_VOLATILE in this backend.
783 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
784 unary to types which execute in it.
785 (define_function_unit ieu_shift): Rename to ieu0.
786 (define_function_unit ieu1): New, executes compare, call, and
787 uncond_branch type insns.
788 (define_function_units for type fdivs, fdivd, fsqrt): These
789 execute in the fpu multiply unit not the adder on UltraSparc.
790 (define_expand cmpdi): Disallow TARGET_V8PLUS.
791 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
792 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
793 allows the arith_double_operand predicate and rHI constraint when
795 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
796 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
797 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
798 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
799 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
800 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
801 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
802 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
803 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
804 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
805 sign_extendqihi2_insn, sign_extendqisi2_insn,
806 sign_extendqidi2_insn, sign_extendhidi2_insn,
807 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
808 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
809 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
810 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
811 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
812 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
813 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
814 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
815 smulsi3_highpart_v8plus, unnamed subreg mult,
816 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
817 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
818 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
819 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
820 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
821 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
822 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
823 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
824 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
825 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
826 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
827 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
828 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
829 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
830 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
831 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
832 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
833 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
834 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
835 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
836 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
837 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
838 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
839 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
840 call_address_untyped_struct_value_sp32,
841 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
842 call_value_symbolic_sp32, call_value_address_sp64,
843 call_value_symbolic_sp64, branch_sp32, branch_sp64,
844 flush_register_windows, goto_handler_and_restore,
845 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
846 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
847 return_addsi, return_di, return_adddi, return_sf, all call+jump
848 peepholes, trap, unnamed trap insns): Prettify output strings.
849 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
850 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
851 Likewise and force + implement splits for integer cases.
852 (define_insn return_sf_no_fpu): Likewise and allow to match when
853 no-fpu because of our subreg SFmode splits.
854 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
855 zero_extendqidi2_insn, zero_extendhidi2_insn,
856 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
857 input_operand for second operand.
858 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
859 reg_or_0_operand for operand 2 so new splits can use it.
860 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
861 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
863 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
864 CONST_DOUBLEs for operand 2.
865 (define_insn move_label_di): Likewise and label distance
866 optimization because it no longer works with new deferred case
867 vector scheme. To be revisited.
868 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
869 and allow reg_or_0_operand and J constraint for second operand.
870 (define_insn jump): Set branch predict taken on V9.
871 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
872 new deferred case vector scheme.
873 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
874 (define_insn negdi2_sp32): Force + implement splits.
875 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
876 one_cmplsi2_not_liveg0 respectively, and create expander of original
877 names which emit special rtl for TARGET_LIVE_G0.
878 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
879 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
880 gen_compare_reg, FAIL instead.
881 (define_insn sgtu, sleu): Likewise and check gen_s*() return
882 values when trying to reverse condition codes, if they FAIL then
884 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
885 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
886 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
887 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
888 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
889 set output string to # to indicate they are mandatory splits.
890 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
891 pic_sethi_di, move_pic_label_si): Remove.
892 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
893 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
895 (define_expand movsi_pic_label_ref, define_insn
896 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
897 expander and insns to handle PIC label references and deferred
899 (define_insn get_pc_via_rdpc): Comment out as it is no longer
901 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
902 Rewrite to not use emit_move_sequence, make use of new constant
903 formation code, and new splits for all multi-insn cases.
904 (define_insn movqi_insn): Remove sethi case, it can never happen.
905 Use reg_or_zero_operand instead of const0_rtx explicit test,
906 use input_operand instead of move_operand for source, and use
907 general_operand now for dest.
908 (define_insn movhi_insn): Similar but leave sethi case.
909 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
910 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
911 movhi_lo_sum respectively, prettify output string.
912 (define_insn movsi_zero_liveg0): New pattern to put zero into a
913 register when needed on TARGET_LIVE_G0.
914 (define_insn movsi_insn): Use general_operand and input_operand
915 for dest and src respectively. Simplify applicability test.
916 Prettify output strings, and add clr alternative for J
918 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
919 deprecated std and reg-reg DI moves): Remove and...
920 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
921 implementation which uses forced splits for all non-single insn
923 (define_split DI move cases on !arch64): New splits to handle all
924 situations of 64-bit double register DImode on 32bit, and
925 unaligned registers and memory addresses for all subtargets.
926 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
928 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
929 input_operand for dest and src respectively, prettify output
931 (define_insn movdf_insn, movdf_no_e_insn, store_df,
932 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
934 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
935 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
936 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
937 movtf_no_e_insn_sp64) Replace with new
938 implementation which uses forced splits for all non-single insn
940 (define_split DF move cases): New splits in similar vein to DI
942 (define_insn sethi_di_medlow, sethi_di_medium_pic,
943 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
944 movdi_sp64_insn): Remove old v9 code model and constant loading
946 (define_insn pic_lo_sum_di, pic_sethi_di,
947 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
948 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
949 embmedany_sethi, embmedany_losum, embmedany_brsum,
950 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
951 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
952 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
953 scheme, using unspecs, secondary reloads, and one to one sparc
954 insn to rtl insn mapping for better scheduling and code gen.
955 (define_expand reload_indi, reload_outdi): Reload helpers for
956 MEDANY and EMBMEDANY symbol address loading cases which require a
958 (define_expand movsicc): Remove v8plus_regcmp cases.
959 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
960 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
961 cmp_diqi_trunc_set): New patterns used by some of the new scc
963 (define_insn xordi3_sp64_dbl): New pattern used for constant
964 formation when crossing from 32-bit targets.
965 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
967 (define_insn addx, subx): Make visible and prettify.
968 (define_insn adddi3_insn_sp32): Likewise and force split.
969 (define_insn addx_extend, subx_extend, unnamed): New patterns for
970 64bit scc split usage.
971 (define_insn unnamed plusDI zero_extend, unnamed minusDI
972 zero_extend, subdi3): Force and implement splits.
974 * final.c (final_scan_insn): Don't output labels if target
975 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
978 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
979 don't forget to walk inside SEQUENCESs too as these are what the
980 delay slot scheduler will create.
982 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
984 * alpha.md (extxl+1,+2): New patterns to work around
987 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
989 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
990 caused bad assembly code to be generated.
992 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
994 * netbsd.h: Fix typo.
996 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
998 * config.sub: Fix typo.
1000 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
1002 * invoke.texi (Environment Variables): Typo: Change "ascpects"
1004 (Running Protoize): Typo: Change "ther" into "other".
1006 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
1008 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
1009 * m68k/netbsd.h: Likewise.
1010 * ns32k/netbsd.h: Likewise.
1011 * sparc/netbsd.h: Likewise.
1013 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
1015 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
1016 * ginclude/va-clipper.h (va_list): Likewise.
1018 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
1020 * rs6000.c (rs6000_override_options): If big endian and -Os, use
1021 load/store multiple instructions unless user overrides.
1023 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
1025 * ns32k/netbsd.h: Fix typo.
1027 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
1029 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
1030 labels with .debugsym if no parallel insns.
1032 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
1034 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
1035 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
1037 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
1039 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
1040 (AR_FOR_TARGET): Define.
1042 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
1044 * dyn-string.h: New file.
1045 * dyn-string.c: Likewise.
1046 * Makefile.in (OBJS): Add dyn-string.o.
1047 (dwarf2out.o): Add dyn-string.h dependency.
1048 (dyn-string.o): List dependencies.
1049 * dwarf2out.c: Include dyn-string.h.
1050 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
1051 (addr_const_to_string): Take a dyn_string_t, not a char* as a
1052 prototype. Use dyn_string_append rather than strcat, throughout.
1053 (addr_to_string): Use dyn_string_t.
1055 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
1057 Function entry/exit profiling instrumentation:
1058 * expr.h (profile_function_entry_libfunc,
1059 profile_function_exit_libfunc): Declare new variables.
1060 * optabs.c: Define them here.
1061 (init_optabs): Initialize them.
1062 * tree.h (struct tree_decl): New flag
1063 no_instrument_function_entry_exit.
1064 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
1065 * c-decl.c (duplicate_decls): Merge it.
1066 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
1067 (init_attributes): Use it for "no_instrument_function".
1068 (decl_attributes): Handle it, for functions that have not yet been
1069 compiled. Set decl flag.
1070 * flags.h (flag_instrument_function_entry_exit): Declare new
1072 * toplev.c (flag_instrument_function_entry_exit): Define it here.
1073 (f_options): New option "instrument-functions".
1074 * function.h (struct function): New field instrument_entry_exit.
1075 * function.c (current_function_instrument_entry_exit): New
1077 (push_function_context_to, pop_function_context_from): Save and
1079 (expand_function_start): Set current_ variable, maybe emit return
1080 label and entry profile call.
1081 (expand_function_end): Maybe emit exit profile call.
1083 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
1085 * i386.md (movqi): When optimizing a load of (const_int 1) into a
1086 NON_QI_REG_P, pretend the register is SImode.
1088 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
1090 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
1091 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
1092 manufacturer id for ns32k.
1093 * configure: Regenerated.
1094 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
1095 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
1096 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
1097 * config/m68k/netbsd.h: Same.
1098 * config/ns32k/netbsd.h: Same.
1099 * config/sparc/netbsd.h: Same.
1101 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
1103 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
1104 or UNROLL_COMPLETELY loop that starts with a jump to its
1107 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
1109 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
1110 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
1111 (print_operand, case 'B'): Don't fall through.
1112 (print_operand, case 'S'): Correct mask begin/end computation.
1113 Use HOST_BITS_PER_WIDE_INT.
1114 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
1115 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
1116 * rs6000/aix41.h (CPP_PREDEFINES): Same.
1117 * rs6000/aix43.h (CPP_PREDEFINES): Same.
1119 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
1121 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
1122 constraint from second alternative.
1124 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1126 * configure.in: Fix --without/--disable cases for local-prefix,
1127 gxx-include-dir and checking.
1129 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1131 * configure.in (enable_haifa): Set by default for sparc64 too.
1134 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1136 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
1137 * i386/winnt.c (associated_type): New fn.
1138 (i386_pe_valid_type_attribute_p): New fn.
1139 (i386_pe_check_vtable_importexport): Remove.
1140 (i386_pe_dllexport_p): Use associated_type.
1141 (i386_pe_dllimport_p): Likewise.
1143 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
1144 * i386.c (i386_valid_type_attribute_p): Also accept
1145 attributes for METHOD_TYPEs.
1147 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
1149 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
1151 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
1153 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
1155 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
1156 them from generating a new base name for each occurence of
1159 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
1161 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
1163 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
1167 * cplus-dem.c (type_kind_t): New type.
1168 (demangle_template_value_parm): Add type_kind_t parameter. Rely
1169 on this paramter, rather than demangling the type again.
1170 (demangle_integral_value): Pass tk_integral.
1171 (demangle_template_: Pass the value returned from do_type.
1172 (do_type): Return a type_kind_t. Pass tk_integral to
1173 demangle_template_value_parm for array bounds.
1174 (demangle_fund_type): Likewise.
1176 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
1178 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
1181 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
1183 * pa.c (move_operand): Accept CONSTANT_P_RTX.
1185 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
1187 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
1189 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
1192 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
1194 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
1195 (DEBUGGER_ARG_OFFSET): Likewise.
1197 * mn10300.md (movsf): Remove last change. Not needed.
1199 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
1201 * c-lex.c (yylex): Fix boundary conditions in character literal and
1202 string literal loops.
1204 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
1206 * longlong.h (count_leading_zeros): Sparclite scan instruction was
1207 being invoked incorrectly.
1209 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
1210 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
1212 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
1213 * configure.in: Added i[34567]86-*-win32
1214 * config.sub: Ditto.
1215 * configure: Rebuilt.
1217 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
1219 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
1220 the frame pointer and compiling PIC code and reload has not completed.
1222 * i386.c (output_to_reg): Add code to emulate non-popping DImode
1225 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
1227 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
1229 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1231 * Makefile.in (install-info): Only try to update the info
1232 directory file if it exists in the first place.
1234 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
1236 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
1238 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
1240 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
1241 CONST_DOUBLE source.
1243 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
1245 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
1246 strings as the insertion of USER_LABEL_PREFIX.
1247 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
1249 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
1252 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
1254 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
1255 already defined type.
1257 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
1259 * expr.c (check_max_integer_computation_mode): Allow conversions
1260 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
1261 (expand_expr): Likewise.
1263 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1265 * expr.c (expand_expr): Expand RETURN_EXPR.
1267 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
1269 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
1271 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
1273 * dwarf2out.c (output_aranges): Call stripattributes
1274 for TEXT_SECTION references.
1275 (output_line_info): Likewise.
1277 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1279 * profile.c (branch_prob): Call allocate_reg_info after outputting
1280 profile rtl in instrument_arcs.
1282 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
1284 * fixinc.irix (math.h): Install wrapper instead of copying.
1286 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1288 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
1289 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
1290 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
1291 lang_flag_0. Added documentation in the flag table.
1293 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
1295 * cccp.c (do_include): Fix vax c style include handling.
1297 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1299 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
1301 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1303 * fold-const.c (non_lvalue): Don't deal with null pointer
1305 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1307 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
1309 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
1310 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
1311 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
1312 (u_short_cint_operand): Same.
1313 (reg_or_cint_operand): Same.
1314 (logical_operand): Same.
1315 (input_operand): Same.
1316 (reg_or_short_operand): Use u_short_cint_operand.
1318 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
1320 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
1321 but keep the insns and splits. Adjust so when the ultimate destination
1322 is memory, use cvtql.
1324 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
1326 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
1328 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
1330 * gcc.c (do_spec): Call "error" not "warning".
1332 * configure.in: Fix minor problems with gas feature detection code.
1333 * configure: Rebuilt.
1335 * gcc.c (do_spec): Issue a warning for '%[]' usage.
1338 * gcc.c: Delete %[spec] support.
1339 (do_spec_1, case '('): Likewise.
1340 (do_spec_1, case '['): Call error.
1342 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
1344 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
1345 (CPP_SUBTARGET_SPEC): Default to empty string.
1346 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
1347 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
1348 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
1349 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
1351 * alpha/linux.h (CPP_PREDEFINES): Tidy.
1352 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
1353 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
1354 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
1355 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
1356 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
1357 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
1358 * alpha/vxworks.h: Likewise.
1360 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
1362 * mips.md (reload_outsi): Added missing REGNO call.
1363 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
1365 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
1366 another match_operator and compare the codes.
1368 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
1370 * MIPS multiply pattern fixes:
1371 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1372 Add union classes for HI, LO, or HILO plus general registers.
1373 (GENERATE_MADD): Deleted.
1374 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
1375 Add TARGET_MAD to condition.
1376 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
1377 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
1378 "*d" for accumulator, to give preference to LO initially but not
1381 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
1383 * configure.in (enable_c_mbchar): New configure option.
1384 (extra_cpp_objs): Always available now.
1386 * cexp.y (mbchar.h): #include it.
1387 (yylex): Handle Multibyte characters in character literals.
1389 * cccp.c (mbchar.h): #include it.
1390 (main): Set character set based on LANG environment variable.
1391 (rescan): Handle multibyte characters in comments.
1392 (skip_if_group): See above.
1393 (validate_else): See above.
1394 (skip_to_end_of_comment): See above.
1395 (macarg1): See above.
1396 (discard_comments): See above.
1397 (rescan): Handle multibyte characters in string and character literals.
1398 (collect_expansion): See above.
1399 (skip_quoted_string): See above.
1400 (macroexpand): See above.
1401 (macarg1): See above.
1402 (discard_comments): See above.
1403 (change_newlines): See above.
1405 * c-lex.c (mbchar.h): #include it.
1406 (GET_ENVIRONMENT): New macro.
1407 (init_lex): Set character set based on LANG environment variable.
1408 (yylex): Handle multibyte characters in character literals.
1409 (yylex): Handle multibyte characters in string literals.
1411 * Makefile.in (mbchar.o): New target.
1412 (cccp$(exeext)): @extra_cpp_objs@ is always available.
1413 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
1415 * mbchar.[ch]: New files for multibyte character handling.
1417 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1419 * jump.c (jump_optimize): When simplifying noop moves and
1420 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
1421 the PUSHes to rewrite in second loop as we did in the first.
1423 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1425 * cplus-dem.c (demangle_nested_args): Make function definition
1426 static to match the prototype.
1428 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
1430 * alloca.c: Respect USE_C_ALLOCA.
1431 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
1432 * gengenrtl.c (xmalloc): Likewise.
1434 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
1436 * loop.h (struct induction): Add no_const_addval.
1437 * loop.c (the_movables, reg_address_cost): New variables.
1438 (init_loop): Init reg_address_cost.
1439 (loop_optimize): Call end_alias_analysis.
1440 (scan_loop): Init the_movables.
1441 (record_giv): Init induction->no_const_addval.
1442 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
1443 [REG]: Rearrange loop search test to catch more cases.
1444 (general_induction_var): Return success not benefit; take an extra
1445 argument for that. Change all callers.
1446 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
1447 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
1448 [default]: Search the_movables for additional combinations.
1449 (sge_plus_constant, sge_plus): New functions.
1450 (express_from_1): New function.
1451 (express_from): Always define. Rewrite using express_from_1.
1452 (combine_givs_p): Handle more cases. Ignore address cost.
1453 (cmp_combine_givs_stats): New function.
1454 (combine_givs_used_once, combine_givs_benefit_from): New functions.
1455 (combine_givs): Rewrite to do best-fit combination.
1457 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
1458 (fold): Do a complete (A*C)+(B*C) association check.
1460 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
1462 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
1464 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
1466 * mn10300.c (MODES_TIEABLE_P): Fix typo.
1468 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
1470 * tree.c (valid_machine_attribute): Only create a new type variant if
1471 there is a decl to use it.
1473 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
1475 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
1478 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
1480 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
1483 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
1485 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
1486 Simplify tests for clearing an address register.
1487 (expand_prologue): Corresponding changes.
1489 * mn10300.md (movXX patterns): Make sure the destination is an
1490 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
1491 (logical patterns): Split into expanders + patterns
1492 (zero and sign extension patterns): Similarly.
1493 (shift patterns): Similarly.
1495 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
1497 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
1498 for the sequence, recording base values.
1500 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
1502 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
1504 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
1506 * gcc.c: Remove ANSI-C ism from --help code.
1508 * toplev.c: Support --help with USE_CPPLIB.
1510 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
1512 * configure.in: Rework gas feature code to work with symlink based
1515 * extend.texi: Clarify some issues related to local variables
1516 assigned to explicit registers.
1518 * mn10300.md (mulsi): Turn into expander + pattern.
1520 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
1523 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
1525 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
1527 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
1529 * version.c: Bump again to distinguish mainline tree from the
1532 Tue Jul 14 02:20:38 1998 Jeffrey A Law (law@cygnus.com)
1534 * version.c: Bump to avoid problems with old spec files during
1537 Mon Jul 13 23:11:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1539 * config/sparc/sparc.c (output_scc_insn): Enclose || conditions in
1540 parens while walking over notes.
1541 * config/sparc/sparc.md (reg movdi split): Clean up matching
1543 (all DI arithop splits on 32-bit): Handle immediate arguments
1544 correctly when they are CONST_INTs.
1546 Mon Jul 13 23:57:21 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1548 * m68k/m68k.h (TARGET_SWITCHES): Clear MASK_68040_ONLY for
1549 -m68020-40, -m68020-60 and -m5200.
1551 Mon Jul 13 23:52:05 1998 Weiwen Liu <weiwen.liu@yale.edu>
1553 * gcc.c (do_spec_1): Fix %O handling for secure temporary file
1556 Mon Jul 13 23:42:36 1998 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
1558 * sh/elf.h (MAX_OFILE_ALIGNMENT): Undefine before including svr4.h.
1560 Mon Jul 13 23:36:08 1998 Jim Wilson <wilson@cygnus.com>
1562 * i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs.
1563 (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them.
1564 (EXTRA_SPECS): Support them.
1565 * gcc.c: Delete %[spec] support.
1566 (do_spec_1, case '('): Likewise.
1567 (do_spec_1, case '['): Call error.
1568 * i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h,
1569 linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h,
1570 sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete
1573 Mon Jul 13 23:31:04 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1575 * m68k.c (output_scc_di): Use cmpw #0 only for address registers.
1577 Mon Jul 13 23:26:43 1998 Jeffrey A Law (law@cygnus.com)
1579 * tree.h (tree_common): Note front-end dependencies on layout of
1582 Mon Jul 13 23:18:39 1998 Craig Burley <burley@gnu.org>
1584 * stmt.c (expand_expr_stmt): If not assigning fresh
1585 value to last_expr_value, zero it, so old garbage
1586 doesn't get dereferenced.
1588 Mon Jul 13 23:06:55 1998 Henning.Petersen@t-online.de (Henning Petersen)
1590 * gcse.c (hash_scan_insn): Add missing argument declaration.
1592 Mon Jul 13 18:59:13 1998 Jim Wilson <wilson@cygnus.com>
1594 * configure.in (mips-sgi-irix5cross64, mips-sgi-irix5*): Remove
1595 HAVE_INTTYPES_H from xm_defines. Define xm_file to mips/xm-iris5.h.
1596 * mips/xm-iris5.h (USG): Delete.
1598 Mon Jul 13 17:18:47 1998 Nick Clifton <nickc@cygnus.com>
1600 * cccp.c (main): Add support for parsing --help.
1601 (display_help): New function: display command line switches.
1603 * cpplib.c (cpp_handle_option): Add support for parsing --help.
1604 (display_help): New function: display command line switches.
1606 * gcc.c (main): Add support for parsing --help, and passing it on
1607 to the sub-processes invoked by gcc.
1608 (display_help): New function: display comman line switches.
1610 * tm.texi (TARGET_SWITCHES and TARGET_OPTIONS): Document
1611 'description' field added to structure.
1613 * toplev.c: Add support for parsing --help.
1614 Add documentation strings to command line option tables.
1615 (display_help): New function: display comman line switches.
1617 Mon Jul 13 16:15:10 1998 John Carr <jfc@mit.edu>
1619 * sparc.c, sparc.h, sparc.md: New trampoline code.
1620 Allow integer operand 1 to V8+ DImode shift instructions.
1621 Fix bugs in V8+ wide multiply patterns.
1622 In 32 bit mode, split DImode register moves and logical instructions.
1623 Write V9 branch prediction flag.
1624 Use V9 conditional move more often for scc.
1626 Mon Jul 13 15:10:09 1998 Philippe De Muyter <phdm@macqel.be>
1628 * invoke.texi(-fno-builtin): Explain that the names of built-in
1629 functions begin with `__builtin_', not `__'.
1631 Mon Jul 13 19:01:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1633 * reload1.c (reload_reg_free_before_p): Abort for RELOAD_FOR_OUTPUT.
1635 Mon Jul 13 10:50:17 1998 Mark Mitchell <mark@markmitchell.com>
1637 * cplus-dem.c (SCOPE_STRING): Remove DMGL_JAVA stuff.
1638 (cplus_demangle_opname): Initialize work.
1639 (demangle_template): Remove is_java_array.
1640 (do_type): Remove DMGL_JAVA stuff.
1641 (long_options): Remove "java".
1642 (main): Remove 'j' option.
1644 Mon Jul 13 10:19:00 1998 Jeffrey A Law (law@cygnus.com)
1646 * mn10300.h (REG_CLASS_FROM_LETTER): Map 'y' to SP_REGS.
1647 Handle 'x' as NO_REGS for this cpu.
1648 (REGNO_OK_FOR_BIT_BASE_P): Define.
1649 (REG_OK_FOR_BIT_BASE_P): Define.
1650 (GO_IF_LEGITIMATE_ADDRESS): Use them.
1651 (REG_OK_FOR_INDEX_P): Tweak.
1652 * mn13000.c (REG_SAVE_BYTES): Define.
1653 (expand_epilogue, initial_offset): Use it.
1654 (secondary_reload_class): Slightly reformat.
1655 (output_tst): Tweak comments.
1656 * mn10300.md: Change 'x' to 'y' for SP_REGS. Then add 'x' to many
1658 (addsi3): Turn into a define_expand/define_insn pair. Rework code for
1659 three operand addition case to be more efficient.
1660 (subsi3): Turn into a define_expand/define_insn pair.
1662 * expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address
1663 is not varying for REFERENCE_TYPE or when we think we might have found
1664 an optimized access to the first element in an array.
1666 Mon Jul 13 02:24:08 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1668 * regclass.c (reg_scan_mark_refs): New arg min_regno. Only update
1669 regscan information for REGs with numbers greater than or equal to
1670 this. All callers changed.
1671 (reg_scan_update): New function to efficiently update regscan
1672 information on the fly.
1673 * rtl.h: Add prototype.
1674 * jump.c (jump_optimize): Call it when we make a transformation
1675 which generates new pseudo-REGs.
1677 Sun Jul 12 13:08:14 1998 Jeffrey A Law (law@cygnus.com)
1679 * collect2.c (main): Use "-x c" instead of "-lang-c" for force the
1680 compiler into C mode.
1682 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1684 * cplus-dem.c (demangle_nested_args): Return a value.
1686 * tree.h (TYPE_P): New macro.
1688 Sat Jul 11 16:19:48 1998 Mark Mitchell <mark@markmitchell.com>
1690 * cplus-dem.c (string): Move definition before work_stuff.
1691 (work_stuff): Add volatile_type, forgetting_types,
1692 previous_argument, and nrepeats fields.
1693 (SCOPE_STRING): New macro.
1694 (demangle_template): Add `remember' parameter. Add comment.
1695 Register the `B' code type here, if remembering. Tidy. Fix crash
1696 on NULL tmpl_argvec. Be consistent with use of tname/trawname.
1697 (demangle_nested_args): New function.
1698 (internal_cplus_demangle): Handle volatile-qualified member
1700 (mop_up): Delete the previous_argument string if present.
1701 (demangle_signature): Tidy. Handle volatile-qualified member
1702 functions. Handle back-references using the `B' code. Use extra
1703 parameter to demangle_template and SCOPE_STRING where appropriate.
1704 (demangle_template_value_parm): Fix thinko; 'B' is not an integral
1706 (demangle_class): Use SCOPE_STRING.
1707 (gnu_special): Pass additional argument to demangle_template.
1709 (demangle_qualified): Save qualified types for later
1710 back-references. Handle constructors and destructors for template
1712 (do_type): Tidy. Use SCOPE_STRING. Pass extra argument to
1713 demangle_template. Use demangled_nested_args. Don't remember
1714 qualified types here; that's now done in demangle_qualified.
1715 Similarly for templates.
1716 (do_arg): Improve commment. Handle 'n' repeat code.
1717 (remember_type): Check forgetting_types.
1718 (demangle_args): Deal with 'n' repeat codes. Tidy.
1720 Sat Jul 11 02:59:08 1998 Richard Earnshaw <rearnsha@arm.com>
1722 * arm.md (extendhisi2_mem, movhi, movhi_bytes): Propagate the volatile
1723 and structure attribute flags to MEMs generated.
1724 (splits for sign-extended HI & QI mode from memory): Also propagate
1727 * configure.in (thumb-*-coff*): Don't cause fixincludes to be run.
1729 Fri Jul 10 19:06:59 1998 Michael Meissner <meissner@cygnus.com>
1731 * varray.h: Include system.h if it hasn't already been included
1732 before to get size_t declared.
1734 Fri Jul 10 12:53:58 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1736 * jump.c (jump_optimize): If after_regscan and our transformations
1737 generate new REGs, rerun reg_scan.
1739 Fri Jul 10 11:50:43 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1741 * config/i960/i960.c (i960_address_cost): MEMA operands with
1742 positive offsets < 4096 are free.
1744 Fri Jul 10 12:34:37 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1746 * config/m68k/m68k.c (const_uint32_operand): Recognize
1748 (const_sint32_operand): Likewise.
1750 Thu Jul 9 22:58:59 1998 Jeffrey A Law (law@cygnus.com)
1752 * Makefile.in (alias.o): Depend on $(EXPR_H).
1754 Thu Jul 9 18:24:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1756 * reload1.c (choose_reload_regs): If using an equivalence from
1757 find_equiv_reg and reg_reloaded_valid is not set for this register,
1758 clear the associated spill_reg_store.
1760 Thu Jul 9 18:12:49 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1762 * reload1.c (emit_reload_insns): If an output reload copies only
1763 to a secondary reload register, indicate that the secondary reload
1764 does the actual store.
1766 Thu Jul 9 18:01:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1768 * reload.c (find_equiv_reg): If need_stable_sp is set,
1769 check if stack pointer is changed directly in a PARALLEL.
1771 Thu Jul 9 10:38:14 1998 Jeffrey A Law (law@cygnus.com)
1773 * jump.c (duplicate_loop_exit_test): Fix thinko.
1775 Thu Jul 9 01:30:37 1998 Joel Sherrill <joel@OARcorp.com>
1776 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
1778 * config/i386/rtemself.h: Updated to keep in sync with
1779 config/i386/linux.h.
1781 * configure.in: Added sh-rtemself.
1782 * configure: Rebuilt.
1783 * config/sh/rtems.h: Removed -D__ELF__ since it is now COFF.
1784 * config/sh/rtemself.h: New file.
1786 * config/rs6000/rtems.h: Defined STARTFILE_DEFAULT_SPEC.
1788 Wed Jul 8 21:43:14 1998 Jeffrey A Law (law@cygnus.com)
1790 * configure.in: Check if the assembler supports ".balign" and
1791 ".p2align" and define HAVE_GAS_BALIGN_AND_P2ALIGN appropriately.
1792 * acconfig.h (HAVE_GAS_BALIGN_AND_P2ALIGN): New tag.
1793 * i386/gas.h (ASM_OUTPUT_ALIGN): If the assembler has support for
1794 ".balign" then use it.
1796 * print-rtl.c (print_rtx): Revert previous patch.
1798 * jump.c (duplicate_loop_exit_test): Do not duplicate the loop exit
1799 test if the exit code has an insn with ASM_OPERANDS.
1801 * i386/cygwin32.h (STDIO_PROTO): Fix typo.
1802 * m32r.h (STDIO_PROTO): Fix typo.
1804 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Handle addresses created by
1805 LEGITIMIZE_RELOAD_ADDRESS.
1806 * tm.texi (LEGITIMIZE_RELOAD_ADDRESS): Note that this macro must be
1807 able to handle addresses created by previous invocations of the macro.
1809 * flow.c (find_auto_inc): Remove most recent change. Real bug was
1812 * cse.c (count_reg_usage): Count registers used in addresses of
1815 Wed Jul 8 15:08:29 1998 Jim Wilson <wilson@cygnus.com>
1817 * Makefile.in (STAGESTUFF): Readd line lost during June 9 FSF merge.
1819 * configure.in (mips64orion-*-rtems*): Use elf64.h not elfl64.h.
1821 1998-07-08 Vladimir N. Makarov <vmakarov@cygnus.com>
1823 * config/fp-bit.c (__gexf2, __fixxfsi, __floatsixf): Add function
1826 * toplev.c (lang_options): Add -Wlong-long, -Wno-long-long
1828 * c-decl.c (warn_long_long): Define.
1829 (c_decode_option): Parse -Wlong-long, -Wno-long-long options.
1830 (grokdeclarator): Add flag `warn_long_long' as guard for
1831 warning "ANSI C does not support `long long'".
1832 * invoke.texi: Add description of options -Wlong-long,
1834 * gcc.1: The same as above.
1836 Wed Jul 8 02:43:34 1998 Jeffrey A Law (law@cygnus.com)
1838 * rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART. If
1839 either argument is CONSTANT_P, then return zero.
1840 * reload.c (reg_overlap_mentioned_for_reload_p): Similarly.
1842 * configure.in: Also look at $srcdir/gas/configure to find a
1845 Wed Jul 8 00:28:22 1998 Carlo Wood <carlo@runaway.xs4all.nl>
1847 * dsp16xx.h : Clean up of macro OPTIMIZATION_OPTIONS
1849 Tue Jul 7 21:18:14 1998 Mumit Khan <khan@xraylith.wisc.edu>
1851 * i386/cygwin32.h (ASM_DECLARE_FUNCTION_NAME): Merge duplicate
1852 definitions from last two patches.
1854 Tue Jul 7 23:03:34 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1856 * reload1.c (choose_reload_regs): Don't set reload_override_in
1857 if EQUIV is clobbered in INSN and the reload is done after INSN.
1859 Tue Jul 7 21:23:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1861 * expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN
1862 to the first insn of the sequence.
1864 Tue Jul 7 21:05:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * cse.c (cse_insn): Don't make change without validation.
1868 Tue Jul 7 11:40:05 1998 Jeffrey A Law (law@cygnus.com)
1870 * mn10200.md (various zero/sign extension patterns): zero and sign
1871 extensions which use "sub" clobber cc0.
1873 Tue Jul 7 09:12:08 PDT 1998 Jeff Law (law@cygnus.com)
1875 * version.c: Bump for snapshot.
1877 Tue Jul 7 10:07:20 1998 Jeffrey A Law (law@cygnus.com)
1879 * print-rtl.c (print_rtx): Use REAL_VALUE_TYPE instead of "double".
1881 Tue Jul 7 08:41:27 1998 Richard Henderson (rth@cygnus.com)
1883 * print-rtl.c (print_rtx): Only print fp values when REAL_VALUE_TYPE
1886 Tue Jul 7 00:31:58 PDT 1998 Jeff Law (law@cygnus.com)
1888 * version.c: Bump for snapshot.
1890 Tue Jul 7 01:03:03 1998 Mumit Khan <khan@xraylith.wisc.edu>
1892 Support for dllimport and dllexport attributes for i386-pe.
1894 * tree.h (DECL_NON_ADDR_CONST_P): New accessor macro.
1895 (struct tree_decl): Add non_addr_const_p field.
1896 * tree.c (staticp): Use.
1898 * i386/cygwin32.h (CPP_PREDEFINES): Map __declspec(x) to GCC
1900 (SUBTARGET_SWITCHES): Switches to turn on/off dllimport|export
1901 attributes. Also accept -mwindows option.
1902 (VALID_MACHINE_DECL_ATTRIBUTE): New macro.
1903 (MERGE_MACHINE_DECL_ATTRIBUTE): New macro.
1904 (REDO_SECTION_INFO_P): New macro.
1905 (DRECTVE_SECTION_FUNCTION): New macro.
1906 (drectve_section): Cover function to implement above.
1907 (SWITCH_TO_SECTION_FUNCTION): New macro.
1908 (switch_to_section): Covert function to implement above.
1909 (EXTRA_SECTIONS): Add in_drectve.
1910 (EXTRA_SECTION_FUNCTIONS): Add in_drectve and switch_to_section.
1911 (ENCODE_SECTION_INFO): Delete old macro and redefine as a function.
1912 (STRIP_NAME_ENCODING): Handle new attributes.
1913 (ASM_OUTPUT_LABELREF): New macro.
1914 (ASM_OUTPUT_FUNCTION_NAME): New macro.
1915 (ASM_OUTPUT_COMMON): New macro.
1916 (ASM_OUTPUT_DECLARE_OBJECT_NAME): New macro.
1918 * i386/mingw32.h (CPP_PREDEFINES): Map __declspec(x) to GCC
1921 * i386/winnt.c (i386_pe_valid_decl_attribute_p): New function.
1922 (i386_pe_merge_decl_attributes): New function.
1923 (i386_pe_check_vtable_importexport): New function.
1924 (i386_pe_dllexport_p): New function.
1925 (i386_pe_dllimport_p): New function.
1926 (i386_pe_dllexport_name_p): New function.
1927 (i386_pe_dllimport_name_p): New function.
1928 (i386_pe_mark_dllexport): New function.
1929 (i386_pe_mark_dllimport): New function.
1930 (i386_pe_encode_section_info): New function.
1931 (i386_pe_unique_section): Strip encoding from name first.
1933 Tue Jul 7 00:50:17 1998 Manfred Hollstein (manfred@s-direktnet.de)
1935 * libgcc2.c (L_exit): Provide a fake for atexit on systems which
1936 define ON_EXIT but not HAVE_ATEXIT.
1938 Tue Jul 7 00:44:35 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1940 * m68k.md (zero_extend QI to HI): Correctly handle TARGET_5200.
1942 Tue Jul 7 00:36:41 1998 Ulrich Drepper <drepper@cygnus.com>
1944 * i386.c: Remove random whitespace at end of lines.
1946 * i386.c (ix86_epilogue): For pentium processors, try to deallocate
1947 4 or 8 byte stacks with pop instructions instead of an add instruction.
1949 Tue Jul 7 00:30:08 1998 Klaus Kaempf <kkaempf@rmi.de>
1951 * alpha.c: Include tree.h before expr.h.
1953 Mon Jul 6 22:50:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1955 * c-parse.in (struct_head, union_head, enum_head): New nonterminals.
1956 (structsp): Use them. Update files generated from c-parse.in.
1957 * extend.texi (Type Attributes): Document it.
1959 * c-decl.c: Add warn_multichar.
1960 (c_decode_option): Handle -Wno-multichar.
1961 * c-lex.c (yylex): Check it.
1962 * c-tree.h: Declare it.
1963 * toplev.c (lang_options): Add it.
1964 * invoke.texi: Document it.
1966 Mon Jul 6 22:47:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1968 * reload.c (find_equiv_reg): When looking for stack pointer + const,
1969 make sure we don't use a stack adjust.
1971 * reload.c (find_equiv_reg): If need_stable_sp is set,
1972 check if stack pointer is changed directly.
1974 * reload1.c (delete_dead_insn): Don't delete feeding insn
1975 if that insn has side effects.
1977 * flow.c (find_auto_inc): Clear UNCHANGING bit of register that is
1980 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OPADDR_ADDR
1981 precedes RELOAD_FOR_OUTADDR_ADDRESS.
1983 * gcse.c (hash_scan_insn): New argument IN_LIBCALL_BLOCK. Changed
1986 Mon Jul 6 22:21:56 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1988 * m68k.c (output_scc_di): Use cmpw #0 instead of tstl when
1989 testing address registers on the 68000.
1991 Mon Jul 6 22:17:19 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1993 * i386.c (is_fp_test): Fix thinko.
1995 * jump.c (jump_optimize) Check for CONST_INT before using INTVAL.
1997 Mon Jul 6 22:14:31 1998 Richard Henderson (rth@cygnus.com)
1999 * print-rtl.c (print_rtx): Display the real-value equivalent of
2000 a const_double when easy.
2002 * real.h (REAL_VALUE_TO_TARGET_SINGLE): Use a union to pun types.
2003 Zero memory first for predictability.
2004 (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
2005 * varasm.c (immed_real_const_1): Notice width of H_W_I == double.
2007 * regclass.c (allocate_reg_info): Initialize the entire reg_data
2010 Mon Jul 6 22:09:32 1998 Ian Lance Taylor <ian@cygnus.com>
2011 Jeff Law <law@cygnus.com>
2014 * i386/cygwin32.h: Add some declaration of external functions.
2015 (ASM_DECLARE_FUNCTION_NAME): Define.
2016 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2017 (ASM_FILE_END): Define.
2018 * i386/winnt.c (i386_pe_declare_function_type): New function.
2019 (struct extern_list, extern_head): Define.
2020 (i386_pe_record_external_function): New function.
2021 (i386_pe_asm_file_end): New function.
2023 * cpplib.c (cpp_options_init): Initialize cplusplus_comments to 1,
2024 matching July 18, 1995 change to cccp.c. If -traditional then
2025 disable cplusplus_comments.
2027 Mon Jul 6 21:28:14 1998 Jeffrey A Law (law@cygnus.com)
2029 * combine.c (expand_compound_operation): Fix thinko in code to optimize
2030 (zero_extend:DI (subreg:SI (foo:DI) 0)) to foo:DI.
2032 * Disable the following change from gcc2. Not appropriate for egcs:
2034 Sun Jun 7 09:30:31 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2035 * reload.c (find_reloads): Give preference to pseudo that was the
2036 reloaded output of previous insn.
2038 Mon Jul 6 21:07:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2040 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): Don't define HOST_PTR_PRINTF.
2041 Instead, define a new macro HAVE_PRINTF_PTR which only signifies
2042 whether we have the %p format specifier or not.
2044 * acconfig.h: Delete stub for HOST_PTR_PRINTF, add HAVE_PRINTF_PTR.
2046 * machmode.h (HOST_PTR_PRINTF): When determining the definition,
2047 check HAVE_PRINTF_PTR to see whether "%p" is okay.
2049 * mips-tfile.c: Include machmode.h to get HOST_PTR_PRINTF.
2051 * Makefile.in (mips-tfile.o): Depend on machmode.h.
2053 Mon Jul 6 10:42:05 1998 Mark Mitchell <mark@markmitchell.com>
2055 * jump.c (duplicate_loop_exit_test): Don't refuse to copy a
2056 section of code just because it contains
2057 NOTE_INSN_BLOCK_{BEG,END}.
2058 * stmt.c (expand_end_loop): Likewise. Also, don't refuse to
2059 move CALL_INSNs or CODE_LABELs. When moving code, don't move
2060 NOTE_INSN_BLOCK_{BEG,END}.
2062 Mon Jul 6 09:38:15 1998 Mark Mitchell <mark@markmitchell.com>
2064 * cse.c (CSE_ADDRESS_COST): New macro, based on ADDRESS_COST, but
2065 dealing with ADDRESSOF.
2066 (find_best_addr): Use it.
2068 Mon Jul 6 09:27:08 1998 Richard Henderson <rth@cygnus.com>
2070 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Revert last change.
2072 Mon Jul 6 09:25:06 1998 Dave Love <d.love@dl.ac.uk>
2074 * libgcc2.c (__eprintf): Make args consistent with prototype in
2077 Mon Jul 6 00:28:43 1998 Mark Mitchell <mark@markmitchell.com>
2079 * cse.c (cse_insn): When SETting (MEM (ADDRESSOF (X))) to Y,
2080 don't claim that the former is equivalent to the latter.
2082 Sun Jul 5 23:58:19 1998 Jeffrey A Law (law@cygnus.com)
2084 * cse.c (cse_insn): Second arg is an RTX now. Update all callers.
2085 (cse_basic_block): Keep track of the current RETVAL insn for a
2086 libcall instead of just noting that we're in a libcall.
2088 * combine.c (simplify_comparison): Do not commute a AND into
2089 a paradoxical SUBREG if not WORD_REGISTER_OPERATIONS.
2091 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Protect with
2092 HAVE_GAS_MAX_SKIP_P2ALIGN.
2093 * i386/linux.h: Likewise.
2095 Fri Jul 3 02:33:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2097 * sparc.c (sparc_operand, move_operand, arith_operand,
2098 arith11_operand, arith10_operand, arith_double_operand,
2099 arith11_double_operand, arith10_double_operand, small_int,
2100 uns_small_int): Recognize CONSTANT_P_RTX.
2101 (output_sized_memop, output_move_with_extension,
2102 output_load_address, output_size_for_block_move,
2103 output_block_move, delay_operand): Remove, has not been
2104 enabled or referenced for years.
2105 * sparc.md (movstrsi, block_move_insn): Likewise.
2106 * sparc.h (PREDICATE_CODES): Define.
2107 * linux-aout.h (MACHINE_STATE_{SAVE,RESTORE}): Override with
2108 version which uses getcc/setcc traps to save/restore condition
2110 * linux64.h: Likewise.
2111 * sunos4.h: Likewise.
2112 * linux.h: Likewise.
2114 * sun4o3.h: Likewise.
2116 Fri Jul 3 02:28:05 1998 Richard Henderson <rth@cygnus.com>
2118 * alpha.c (alpha_initialize_trampoline): Hack around Pmode/ptr_mode
2119 lossage on VMS. Reported by kkaempf@rmi.de.
2120 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Add missing 0.
2122 Thu Jul 2 17:41:14 1998 Nick Clifton <nickc@cygnus.com>
2124 * config/m32r/m32r.h (MUST_PASS_IN_STACK): Override default
2127 Thu Jul 2 14:34:48 1998 David Edelsohn <edelsohn@mhpcc.edu>
2129 * expr.h (STACK_SIZE_MODE): New macro.
2130 * explow.c (allocate_dynamic_stack_space): Use it for
2131 mode of allocate_stack pattern increment operand.
2132 * tm.texi (STACK_SAVEAREA_MODE, STACK_SIZE_MODE): Document.
2133 * md.texi (stack_save_block, ...): Reflect use of macro.
2135 * rs6000.h (PROMOTE_MODE): Always promote to word_mode.
2136 (PROMOTE_FUNCTION_ARGS): Define.
2137 (PROMOTE_FUNCTION_RETURN): Define.
2138 (FUNCTION_VALUE): Promote to word_mode if smaller.
2139 Convert to gen_rtx_FOO.
2140 * rs6000.md (call_indirect): Store doubleword in 64-bit mode.
2141 Convert to gen_rtx_FOO.
2142 * rs6000.c: Convert to gen_rtx_FOO.
2144 Thu Jul 2 14:16:11 1998 Michael Meissner <meissner@cygnus.com>
2146 * varray.{c,h}: New files to provide virtual array support.
2148 * Makefile.in (OBJS): Add varray.o.
2149 (varray.o): Add new file.
2150 (REGS_H): New variable for dependencies for files including
2151 regs.h. Add varray.h and files it includes. Change all regs.h
2152 dependencies to $(REGS_H).
2154 * toplev.c (x{m,re}alloc): If size is 0, allocate 1 byte.
2155 (xcalloc): Provide frontend for calloc.
2156 * {tree,rtl}.h (xcalloc): Add declaration.
2158 * basic-block.h (REG_BASIC_BLOCK): Convert reg_n_info to be a
2161 * regs.h (toplevel): Include varray.h.
2162 (reg_n_info): Switch to use a varray.
2164 (allocate_reg_info): Change num_regs argument to be size_t.
2166 * regclass.c (reg_info_data): New structure to remember groups of
2167 reg_info structures allocated that are to be zeroed.
2168 ({pref,alt}class_buffer): New statics to hold buffers
2169 allocate_reg_info allocates for {pref,alt}class_buffer.
2170 (regclass): Use {pref,alt}class_buffer to initialize
2172 (allocate_reg_info): Switch to make reg_n_info use varrays.
2173 Allocate buffers for the preferred and alter register class
2174 information. Change num_regs argument to be size_t, not int.
2176 * flow.c (reg_n_info): Switch to use varrays.
2178 Thu Jul 2 10:11:47 1998 Robert Lipe <robertl@dgii.com>
2180 * install.texi (sco3.2v5): Document new --with-gnu-as flag.
2181 * config/i386/sco5.h (JUMP_TABLES_IN_TEXT_SECTION): Defined as
2183 (USE_GAS): Conditionalize away native assembler usage.
2184 * config/i386/sco5gas.h: New file.
2185 * config/i386/t-sco5gas: New file.
2186 * configure.in (ix86-sco3.2v5*): Use new files if --with-gnu-as
2188 Thu Jul 2 08:20:00 1998 Catherine Moore <clm@cygnus.com>
2190 * haifa-sched.c (alloc_EXPR_LIST): Change to use
2193 Thu Jul 2 14:13:28 1998 Dave Love <d.love@dl.ac.uk>
2195 * Makefile.in (install-info): Don't use $realfile. Ignore
2196 possible errors from the install-info program.
2198 Thu Jul 2 01:53:32 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2200 * combine.c (simplify_comparison): Apply SUBREG_REG to SUBREGs.
2202 Wed Jul 1 23:06:03 1998 Richard Henderson <rth@cygnus.com>
2204 * i386.h (HARD_REGNO_MODE_OK): Kill spurrious test.
2205 (MODES_TIEABLE_P): Tie SImode and HImode.
2207 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2209 * invoke.texi (Optimize Options): Fix typo.
2211 Wed Jul 1 22:25:43 1998 Jim Wilson <wilson@cygnus.com>
2213 * xcoffout.c (xcoffout_begin_function): Call xcoffout_block for
2216 Wed Jul 1 23:12:58 1998 Ken Raeburn <raeburn@cygnus.com>
2218 * h8300.c (print_operand): Delete %L support.
2219 * h8300.md (branch_true, branch_false): Use %= with a prefix
2220 instead of %L for local branch labels.
2222 Wed Jul 1 21:27:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2224 * reload1.c (emit_reload_insns): Use proper register classes for
2225 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_MEMORY_NEEDED code.
2227 Wed Jul 1 21:17:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2229 * reload.c (find_reloads): If there are multiple
2230 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads for
2231 one operand, change RELOAD_FOR_INPADDR_ADDRESS /
2232 RELOAD_FOR_OUTADDR_ADDRESS for all but the first
2233 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads.
2235 Wed Jul 1 17:23:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2237 * regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before
2240 Wed Jul 1 05:04:41 1998 Richard Henderson <rth@cygnus.com>
2242 * expr.c (emit_group_load, emit_group_store): Rewrite considering
2243 the size and alignment of the structure being manipulated.
2244 * expr.c, calls.c, function.c: Update all callers.
2245 * expr.h: Update prototypes.
2246 * cse.c (invalidate): Cope with parallels.
2248 Wed Jul 1 04:22:23 1998 Richard Henderson <rth@cygnus.com>
2250 * sparc.c (function_arg_record_value): Take a MODE arg with which to
2251 create the PARALLEL. Update all callers.
2253 Wed Jul 1 04:10:35 1998 Richard Henderson <rth@cygnus.com>
2255 * expr.c (expand_assignment, store_constructor, expand_expr): Use
2256 convert_memory_address instead of convert_to_mode when possible.
2258 Wed Jul 1 03:48:00 1998 Richard Henderson <rth@cygnus.com>
2260 * alpha.c (alpha_initialize_trampoline): Take arguments describing
2261 the layout. Use ptr_mode. Disable hint generation. Use gen_imb.
2262 * alpha.h (INITIALIZE_TRAMPOLINE): Pass extra args to the init func.
2263 (TRANSFER_FROM_TRAMPOLINE): Move ...
2264 * alpha/osf.h: ... here.
2265 * alpha/vms.h (INITIALIZE_TRAMPOLINE): Use alpha_initialize_trampoline.
2266 (TRANSFER_FROM_TRAMPOLINE): Remove undef.
2267 * alpha/win-nt.h: Likewise.
2268 * alpha/vxworks.h: Likewise.
2270 * alpha/linux.h: Revert gcc2 merge lossage.
2272 Wed Jul 1 10:56:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2274 * c-decl.c (grokdeclarator): Don't warn about implicit int in
2275 `typedef foo = bar'.
2277 Wed Jul 1 02:12:33 1998 Robert Lipe <robertl@dgii.com>
2279 * i386.c (asm_output_function_prefix): Make 686 function
2280 prologues not issue .types for non-global lables.
2282 Tue Jun 30 23:46:53 1998 Dmitrij Tejblum <tejblum@arc.hq.cti.ru>
2284 * i386/freebsd.h (WCHAR_TYPE): Chagne to an "int".
2285 (WCHAR_TYPE_SIZE): Update appropriately.
2287 Tue Jun 30 23:16:39 1998 Jeffrey A Law (law@cygnus.com)
2289 * flow.c (recompute_reg_usage): Does not return a value.
2290 * rtl.h (recompute_reg_usage): Update prototype.
2292 * jump.c (jump_optimize): Show that the jump chain is not
2293 valid when not optimizing.
2295 Tue Jun 30 16:01:01 1998 Richard Henderson <rth@cygnus.com>
2297 * rtl.def (CONSTANT_P_RTX): New.
2298 * rtl.h (CONSTANT_P): Recognize it.
2299 * cse.c (fold_rtx): Eliminate it.
2300 * expr.c (can_handle_constant_p): New variable.
2301 (init_expr_once): Initialize it.
2302 (expand_builtin): Generate CONSTANT_P_RTX if the expression is not
2303 immediately recognizable as a constant.
2305 * alpha.c (reg_or_6bit_operand): Recognize CONSTANT_P_RTX.
2306 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
2307 (sext_add_operand, and_operand, or_operand): Likewise.
2308 (reg_or_cint_operand, some_operand, input_operand): Likewise.
2309 * alpha.h (PREDICATE_CODES): Add CONSTANT_P_RTX where needed.
2311 1998-06-30 Benjamin Kosnik <bkoz@bliss.nabi.net>
2313 * dbxout.c (dbxout_type_methods): Remove warn_template_debugging.
2315 Tue Jun 30 14:03:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * aclocal.m4 (GCC_NEED_DECLARATION): Accept an optional second
2318 argument, which is typically preprocessor code used to draw in
2319 additional header files when looking for a function declaration.
2320 (GCC_NEED_DECLARATIONS): Likewise.
2322 * configure.in (GCC_NEED_DECLARATIONS): Add checks for getrlimit
2323 and setrlimit, search for them in sys/resource.h.
2325 * acconfig.h: Add stubs for NEED_DECLARATION_GETRLIMIT and
2326 NEED_DECLARATION_SETRLIMIT.
2328 * system.h: Prototype getrlimit/setrlimit if necessary.
2330 Tue Jun 30 10:54:48 1998 Mark Mitchell <mark@markmitchell.com>
2332 * rtl.texi: Don't say that RTX_INTEGRATED_P is not depended
2335 Tue Jun 30 13:11:42 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2337 * rs6000/sysv4.h (asm output): add tabs for asm directives.
2339 Tue Jun 30 13:11:42 1998 David Edelsohn <edelsohn@mhpcc.edu>
2341 * Makefile.in (FLAGS_TO_PASS): Set AR_FLAGS to AR_FOR_TARGET_FLAGS.
2343 Tue Jun 30 08:59:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2345 * gansidecl.h (ATTRIBUTE_UNUSED): Use __unused__ not `unused'.
2346 Don't define NULL here. Also, remove all vestiges of autoconf
2347 based checks for bcmp/bcopy/bzero/index/rindex.
2349 * system.h: Immediately after including stdio.h, check for and if
2350 necessary provide a default definition of NULL.
2352 Tue Jun 30 08:22:05 1998 Michael Meissner <meissner@cygnus.com>
2354 * reload1.c (reload_cse_simplify_operands): Call
2355 fatal_insn_not_found, not abort.
2357 Tue Jun 30 02:34:02 1998 Jeffrey A Law (law@cygnus.com)
2359 * choose-temp.c (make_temp_file): Accept new argument for the
2360 file suffix to use. Allocate space for it and add it to the
2362 * mkstemp.c (mkstemps): Renamed from mkstemp. Accept new argument
2363 for the length of the suffix. Update template struture checks
2364 to handle optinal suffix.
2365 * collect2.c (make_temp_file): Update prototype.
2366 (main): Put proper suffixes on temporary files.
2367 * gcc.c (make_temp_file): Update prototype.
2368 (do_spec_1): Put proper suffixes on temporary files.
2370 Tue Jun 30 00:56:19 1998 Bruno Haible <haible@ilog.fr>
2372 * invoke.texi: Document new implicit structure initialization
2375 Mon Jun 29 22:12:06 1998 Jeffrey A Law (law@cygnus.com)
2377 * Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 for
2380 * pa.c, pa.h, pa.md: Convert to gen_rtx_FOO.
2382 Mon Jun 29 20:12:41 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * Makefile.in (fix-header): Don't needlessly depend on cpperror.o.
2386 * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Cast expansion to
2387 void since it is evaluated in a comma list.
2389 * mips.h (ASM_GENERATE_INTERNAL_LABEL): Always sprintf `NUM'
2390 argument as a long and cast `NUM' to long to ensure it is of the
2391 proper width. Wrap macro arguments in parens when they appear in
2394 * sol2.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2396 * sparc.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2397 (ASM_DECLARE_RESULT): Fix fprintf format specifier to match
2398 function argument return type.
2399 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P,
2400 REGNO_OK_FOR_CCFP_P): Use `(unsigned)' not `U'.
2402 * cpplib.c (cpp_message_from_errno): Remove unneeded argument to
2405 * dbxout.c: Fix the comments after an #endif to reflect the actual
2406 condition tested in the preceding #if.
2408 * except.c (find_all_handler_type_matches): Switch to old-style
2409 function definition.
2411 * expr.c (expand_builtin): Remove unused variable `type' twice.
2413 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Cast -1 before comparing it
2414 to an unsigned long.
2416 * haifa-sched.c (print_insn_chain): Remove unused function.
2418 * objc/objc-act.c (build_msg_pool_reference): Hide prototype and
2421 * toplev.c: When testing whether to include dbxout.h, also include
2422 it when XCOFF_DEBUGGING_INFO is defined.
2424 * unroll.c (unroll_loop): Add parentheses around assignment used
2427 Mon Jun 29 12:18:00 1998 Catherine Moore <clm@cygnus.com>
2429 * config/lb1spc.asm (.div, .udiv): Replace routines.
2431 Mon Jun 29 09:44:24 1998 Mark Mitchell <mark@markmitchell.com>
2433 * rtl.h: Update comment about special gen_rtx variants.
2434 * emit-rtl.c (gen_rtx): Handle MEMs using gen_rtx_MEM.
2436 Sun Jun 28 20:58:51 1998 Jeffrey A Law (law@cygnus.com)
2438 * choose-temp.c (choose_temp_base): Restore original variant of
2439 this function for compatibility.
2440 (make_temp_file): This is the new, preferred interface to create
2442 * collect2.c (choose_temp_base): Delete declaration.
2443 (make_temp_file): Declare.
2444 (temp_filename_length, temp_filename): Delete.
2445 (main): Use make_temp_file to get temporary files. Use --lang-c
2446 to force the resulting ctort/dtor file to be compiled with the C
2447 compiler. Make sure to remove temporary files on all exit paths.
2448 * gcc.c (make_temp_file): Provide prototype if MKTEMP_EACH_FILE is
2450 (choose_temp_base): Only provide prototype if MKTEMP_EACH_FILE is
2452 (do_spec): Use make_temp_file if MKTEMP_EACH_FILE is defined.
2454 Sun Jun 28 08:57:09 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2456 * configure.in (GCC_NEED_DECLARATIONS): Add strerror, getcwd and
2459 * acconfig.m4: Add stubs for NEED_DECLARATION_STRERROR,
2460 NEED_DECLARATION_GETCWD and NEED_DECLARATION_GETWD.
2462 * cccp.c: Remove strerror()/sys_nerr/sys_errlist decls.
2463 (my_strerror): Add prototype and make it static.
2465 * collect2.c: Likewise.
2467 * cpplib.c: Likewise.
2469 * gcc.c: Likewise, but keep `my_strerror' extern.
2471 * protoize.c: Likewise.
2473 * pexecute.c (my_strerror): Add argument to prototype.
2475 * system.h: Add prototypes for getcwd, getwd and strerror. Add
2476 extern decls for sys_nerr and sys_errlist. Make abort decl
2479 * getpwd.c: Remove decls for getwd and getcwd.
2481 Sun Jun 28 02:11:16 PDT 1998 Jeff Law (law@cygnus.com)
2483 * version.c: Bump for snapshot.
2485 Sat Jun 27 23:32:25 1998 Richard Henderson <rth@cygnus.com>
2487 * jump.c (jump_optimize): Use side_effects_p & may_trap_p instead
2488 of rtx_unsafe_p. Use modified_between_p instead of reg_set_between_p.
2489 Allow FP moves to be optimized.
2490 (rtx_unsafe_p): Delete.
2492 Sat Jun 27 23:02:04 1998 Richard Henderson <rth@cygnus.com>
2494 * objc/archive.c: Remove <string.h> prototypes.
2496 Sat Jun 27 22:37:05 1998 Jeffrey A Law (law@cygnus.com)
2498 * tm.texi (NEED_MATH_LIBRARY): Document new target macro.
2500 * Makefile.in (gencheck): Remove $(TREE_H) dependency.
2502 Sat Jun 27 20:20:00 1998 John Carr <jfc@mit.edu>
2504 * dsp16xx.h (FIRST_PSEUDO_REGISTER): Add parentheses to definition.
2505 * dsp16xx.c (next_cc_user_unsigned): New function.
2506 Remove save_next_cc_user_code.
2507 (print_operand): Use HOST_WIDE_INT_PRINT_* macros.
2508 * dsp16xx.md: Call next_cc_user_unsigned instead of using
2509 save_next_cc_user_code.
2510 Use gen_rtx_* functions instead of gen_rtx.
2512 Sat Jun 27 20:18:34 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2514 * rs6000.h: Add trap_comparison_operator to PREDICATE_CODES.
2516 Sat Jun 27 16:45:42 1998 Jeffrey A Law (law@cygnus.com)
2518 * flow.c (count_reg_sets): New function.
2519 (count_reg_sets_1, count_ref_references): Likewise.
2520 (recompute_reg_usage): Likewise.
2521 * rtl.h (recompute_reg_usage): Add prototype.
2522 * toplev.c (rest_of_compilation): Call recompute_reg_usage just
2523 before local register allocation.
2525 Sat Jun 27 13:15:30 1998 Richard Henderson <rth@cygnus.com>
2527 * alpha.md (negsf, negdf): Revert Jan 22 change.
2529 Sat Jun 27 07:35:21 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2531 * mkstemp.c: Include gansidecl.h. Rename uint64_t to gcc_uint64_t.
2532 (mkstemp): Remove size specifier for variable `letters'. Call
2533 gettimeofday, not __gettimeofday.
2535 * Makefile.in (EXPR_H): New dependency variable.
2536 (c-typeck.o): Depend on $(EXPR_H) instead of expr.h.
2537 (c-iterate.o): Likewise.
2538 (gencheck): Depend on $(TREE_H) instead of tree.h, etc.
2539 (stor-layout.o): Depend on $(EXPR_H) instead of expr.h.
2540 (toplev.o): Likewise. Also depend on $(RECOG_H) instead of recog.h.
2541 (varasm.o): Depend on $(EXPR_H) instead of expr.h.
2542 (function.o): Likewise.
2544 (except.o): Likewise.
2546 (calls.o): Likewise.
2547 (expmed.o): Likewise.
2548 (explow.o): Likewise.
2549 (optabs.o): Likewise.
2550 (sdbout.o): Likewise.
2551 (dwarf2out.o): Likewise.
2552 (emit-rtl.o): Likewise.
2553 (integrate.o): Likewise.
2556 (gcse.o): Likewise. Also depend on $(BASIC_BLOCK_H) instead of
2558 (loop.o): Depend on $(EXPR_H) instead of expr.h.
2559 (unroll.o): Likewise.
2560 (combine.o): Likewise.
2561 (reload.o): Likewise.
2562 (reload1.o): Likewise.
2563 (caller-save.o): Likewise.
2564 (reorg.o): Likewise.
2565 (alias.o): Don't depend on insn-codes.h.
2566 (regmove.o): Depend on $(RECOG_H)/$(EXPR_H) instead of recog.h/expr.h.
2567 (insn-emit.o): Depend on $(EXPR_H) instead of expr.h.
2568 (insn-opinit.o): Likewise.
2570 Sat Jun 27 01:35:14 1998 Jeffrey A Law (law@cygnus.com)
2572 * choose-temp.c (choose_temp_base): Remove MPW bits. Use mkstemp
2574 * gcc.c (MKTEMP_EACH_FILE): Define.
2575 (main): No need to call choose_temp_base if we are going to
2576 use choose_temp_base to create each file later.
2577 * mkstemp.c: New file. Adapted from glibc.
2578 * Makefile.in (xgcc, colect2, protoize, unprotoize): Link in mkstemp.o
2579 (mkstemp.o): Add dependencies.
2581 * configure.in (gettimeofday): Check for its existance.
2582 * config.in (HAVE_GETTIMEOFDAY): Define.
2583 * configure: Rebuilt.
2585 1998-06-26 Michael Meissner <meissner@cygnus.com>
2587 * rs6000.md (ne 0, non power case): Add missing & constraint.
2589 (negative abs insns): Add pattern names.
2591 Fri Jun 26 17:36:42 1998 Dave Love <d.love@dl.ac.uk>
2593 * Makefile.in (install-info): Run install-info program in separate
2596 Fri Jun 26 16:03:15 1998 Michael Meissner <meissner@cygnus.com>
2598 * haifa-sched.c (schedule_block): Add hooks for the machine
2599 description to reorder the ready list, and update how many more
2600 instructions can be issued this cycle.
2601 * tm.texi (MD_SCHED_{INIT,REORDER,VARIABLE_ISSUE}): Document.
2603 Fri Jun 26 11:54:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2605 * config/sparc/sparc.h (REGNO_OK_FOR_{INDEX,BASE,FP,CCFP}_P):
2606 Explicitly mark the constant being compared against as unsigned.
2607 * config/sparc/sparc.c (sparc_select, cpu_default, cpu_table):
2608 Fully initialize final members.
2609 (mem_aligned_8): Explicit init of offset to zero.
2610 (output_function_prologue): Explicit init of n_regs to zero.
2611 (output_function_epilogue): Likewise, and mark arg size as
2613 (init_cumulative_args): Mark libname and indirect as unused.
2614 (function_arg_pass_by_reference): Likewise for cum and named.
2615 (sparc_builtin_saveregs): Likewise for arglist.
2616 (sparc_flat_eligible_for_epilogue_delay): Likewise for slot.
2618 Fri Jun 26 06:58:54 1998 Richard Earnshaw (rearnsha@arm.com)
2620 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Only need a secondary reload
2623 * arm.h (arm_adjust_cost): Renamed bogus prototype from
2625 (bad_signed_byte_operand): Add prototype.
2626 * arm.c (arm_override_options): Make I unsigned.
2627 (const_ok_for_arm): Add casts to the constants.
2628 (load_multiple_operation): Don't redeclare elt in sub-block.
2629 (arm_gen_movstrqi): Delete external declaration of optimize.
2630 (gen_compare_reg): Declare parameter fp.
2632 * arm.c (final_prescan_insn): Only initialize scanbody if the insn
2635 Fri Jun 26 09:31:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2637 * alpha.c: Include system.h and toplev.h.
2638 (cint8_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
2639 (const48_operand): Likewise.
2640 (mode_width_operand): Likewise.
2641 (mode_mask_operand): Likewise.
2642 (mul8_operand): Likewise.
2643 (current_file_function_operand): Likewise.
2644 (signed_comparison_operator): Likewise.
2645 (divmod_operator): Likewise.
2646 (any_memory_operand): Likewise.
2647 (alpha_return_addr): Likewise for parameter `frame'.
2648 (alpha_builtin_saveregs): Likewise for parameter `arglist'.
2649 (vms_valid_decl_attribute_p): Likewise for parameters `decl' and
2651 (alpha_start_function): Likewise for parameter `decl'. Use
2652 HOST_WIDE_INT_PRINT_DEC in call to fprintf. Fix various format
2653 specifiers. Remove unused variables `lab' and `name'.
2654 (alpha_end_function): Mark parameter `decl' with ATTRIBUTE_UNUSED.
2655 (check_float_value): Likewise for parameter `overflow'.
2656 (alpha_need_linkage): Likewise for parameters `name' and `is_local'.
2658 * alpha.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define as
2660 (ASM_OUTPUT_SHORT): Cast argument to `int' in call to fprintf.
2661 (ASM_OUTPUT_CHAR): Likewise.
2662 (ASM_OUTPUT_BYTE): Likewise.
2663 (PRINT_OPERAND_ADDRESS): Use HOST_WIDE_INT_PRINT_DEC in call to
2665 (PUT_SDB_EPILOGUE_END): Mention argument `NAME' in definition.
2666 Add prototypes for functions in alpha.c.
2668 * alpha.md (ashldi3): Add default case in switch.
2670 1998-06-26 Manfred Hollstein <manfred@s-direktnet.de>
2672 * Makefile.in (gcc_version, gcc_version_trigger): New macros.
2673 (version): Initialize from $(gcc_version).
2675 * configure.in (version): Rename to gcc_version.
2676 (gcc_version_trigger): New variable; call AC_SUBST for it and
2677 emit it into the generated config.status.
2678 * configure: Regenerate.
2680 Thu Jun 25 12:47:41 1998 Mark Mitchell <mark@markmitchell.com>
2682 * fold-const.c (make_range): Don't go looking at TREE_OPERANDs of
2683 nodes that are not expressions.
2685 Thu Jun 25 15:08:16 1998 Mark Mitchell <mark@markmitchell.com>
2687 * invoke.texi (-fstrict-aliasing): Document.
2688 * rtl.texi (MEM_ALIAS_SET): Document.
2690 * flags.h (flag_strict_aliasing): Declare.
2691 * toplev.c (flag_strict_aliasing): Define.
2692 (f_options): Add -strict-aliasing.
2693 (main): Set flag_strict_aliasing if -O2 or higher.
2695 * tree.h (tree_type): Add alias_set field.
2696 (TYPE_ALIAS_SET): New macro.
2697 (TYPE_ALIAS_SET_KNOWN_P): Likewise.
2698 (get_alias_set): Declare.
2699 * tree.c (lang_get_alias_set): Define.
2700 (make_node): Initialize TYPE_ALIAS_SET.
2701 (get_alias_set): New function.
2702 * print-tree.c (print_node): Dump the alias set for a type.
2704 * c-tree.h (c_get_alias_set): Declare.
2705 * c-common.c (c_get_alias_set): New function.
2706 * c-decl.c (init_decl_processing): Set lang_get_alias_set.
2708 * expr.c (protect_from_queue): Propogage alias sets.
2709 (expand_assignment): Calculate alias set for new MEMs.
2710 (expand_expr): Likewise.
2711 * function.c (put_var_into_stack): Likewise.
2712 (put_reg_into_stack): Likewise.
2713 (gen_mem_addressof): Likewise.
2714 (assign_parms): Likewise.
2715 * stmt.c (expand_decl): Likewise.
2716 * varasm.c (make_decl_rtl): Eliminate redundant clearing of
2717 DECL_RTL. Calculate alias set for new MEMs.
2719 * rtl.def (REG): Add dummy operand.
2720 (MEM): Add extra operand to store the MEM_ALIAS_SET.
2721 * rtl.h (MEM_ALIAS_SET): New macro.
2722 (gen_rtx_MEM): Declare.
2723 * emit-rtl.c (gen_rtx_MEM): New function.
2724 * gengenrtl.c (sepcial_rtx): Make MEMs special.
2726 * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
2727 (DIFFERENT_ALIAS_SETS_P): Likewise.
2728 (canon_rtx): Propogate the alias set to the new MEM.
2729 (true_dependence): Check the alias sets.
2730 (anti_dependence): Likewise.
2731 (output_dependence): Likewise.
2732 * explow.c (stabilize): Progoate alias sets.
2733 * integrate.c (copy_rtx_and_substitute): Likewise.
2734 * final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
2735 in an unpredictable state. Propogate alias sets.
2736 * reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
2737 we have no alias information.
2739 Thu Jun 25 16:59:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2741 * except.h (CATCH_ALL_TYPE): Definition moved to eh-common.h.
2742 (find_all_handler_type_matches): Add function prototype.
2743 * eh-common.h (CATCH_ALL_TYPE): Definition added.
2744 * except.c (find_all_handler_type_matches): Add function to find all
2745 runtime type info in the exception table.
2746 (output_exception_table_entry): Special case for CATCH_ALL_TYPE.
2748 Thu Jun 25 15:47:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2750 * Makefile.in (xcoffout.o): Depend on toplev.h, output.h and dbxout.h.
2752 * config/fp-bit.c (_fpmul_parts): Move variables `x', `ylow',
2753 `yhigh' and `bit' into the scope in which they are used.
2754 (_fpdiv_parts): Remove unused variables `low', `high', `r0', `r1',
2755 `y0', `y1', `q', `remainder', `carry', `d0' and `d1'.
2757 * rs6000.c: Move include of output.h below tree.h. Include toplev.h.
2758 (any_operand): Mark unused parameters `op' and `mode' with
2760 (count_register_operand): Likewise for parameter `mode'.
2761 (fpmem_operand): Likewise.
2762 (short_cint_operand): Likewise.
2763 (u_short_cint_operand): Likewise.
2764 (non_short_cint_operand): Likewise.
2765 (got_operand): Likewise.
2766 (got_no_const_operand): Likewise.
2767 (non_add_cint_operand): Likewise.
2768 (non_logical_cint_operand): Likewise.
2769 (mask_operand): Likewise.
2770 (current_file_function_operand): Likewise.
2771 (small_data_operand): Likewise for parameters `op' and `mode' but
2772 only when !TARGET_ELF.
2773 (init_cumulative_args): Mark parameters `libname' with
2775 (function_arg_pass_by_reference): Likewise for parameters `cum',
2777 (expand_builtin_saveregs): Likewise for parameter `args'.
2778 (load_multiple_operation): Likewise for parameter `mode'.
2779 (store_multiple_operation): Likewise.
2780 (branch_comparison_operator): Likewise.
2781 (secondary_reload_class): Likewise.
2782 (print_operand): Add parentheses around & operation.
2783 (output_prolog): Mark parameter `size' with ATTRIBUTE_UNUSED.
2784 (output_epilog): Likewise. Cast argument to fprintf to int.
2785 (rs6000_adjust_cost): Mark parameter `dep_insn' with ATTRIBUTE_UNUSED.
2786 (rs6000_valid_decl_attribute_p): Likewise for parameters `decl',
2787 `attributes', `identifier' and `args'.
2788 (rs6000_valid_type_attribute_p): Likewise for parameter `attributes'.
2789 (rs6000_comp_type_attributes): Likewise for parameters `type1' and
2791 (rs6000_set_default_type_attributes): Likewise for parameter `type'.
2793 * rs6000.h (RTX_COSTS): Add parentheses around & operation.
2794 (toc_section, private_data_section, trap_comparison_operator): Add
2797 * dbxout.h (dbxout_parms, dbxout_reg_parms, dbxout_syms): Add
2800 * xcoffout.c: Include toplev.h, outout.h and dbxout.h.
2802 * xcoffout.h (stab_to_sclass, xcoffout_begin_function,
2803 xcoffout_begin_block, xcoffout_end_epilogue,
2804 xcoffout_end_function, xcoffout_end_block,
2805 xcoff_output_standard_types, xcoffout_declare_function,
2806 xcoffout_source_line): Add prototypes.
2808 Thu Jun 25 09:54:55 1998 Nick Clifton <nickc@cygnus.com>
2810 * config/arm/arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM,
2811 noticed by grahams@rcp.co.uk.
2813 Thu Jun 25 11:12:29 1998 Dave Brolley <brolley@cygnus.com>
2815 * gcc.c (default_compilers): Use new | syntax to eliminate
2816 string concatenation.
2818 Thu Jun 25 01:00:48 1998 Richard Henderson <rth@cygnus.com>
2820 * alpha.c (alpha_function_name): Delete.
2821 (alpha_ra_ever_killed): Notice current_function_is_thunk.
2822 (alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise.
2823 (alpha_start_function): Reorg from output_prologue.
2824 (alpha_end_function): Reorg from output_epilogue.
2825 * alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function.
2826 (ASM_DECLARE_FUNCTION_SIZE): New.
2827 (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
2828 (PROFILE_BEFORE_PROLOGUE): Set.
2829 (ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function.
2830 * alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2832 Thu Jun 25 01:18:47 1998 John Wehle (john@feith.com)
2834 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
2836 1998-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2838 * expr.c (expand_assignment): Rework address calculation for structure
2839 field members to expose more invariant computations to the loop
2841 (expand_expr): Likewise.
2843 Wed Jun 24 22:44:22 1998 Jeffrey A Law (law@cygnus.com)
2845 * local-alloc.c (block_alloc): Do not try to avoid false dependencies
2846 when SMALL_REGISTER_CLASSES is nonzero.
2848 Wed Jun 24 17:55:15 1998 Klaus Kaempf <kkaempf@progis.de>
2850 * alpha.md (call_vms, call_value_vms): Strip leading * from symbol.
2852 Wed Jun 24 16:27:23 1998 John Carr <jfc@mit.edu>
2854 * expr.c (get_memory_rtx): New function.
2855 (expand_builtin): Call get_memory_rtx for MEM arguments to builtin
2858 * expmed.c (init_expmed): Initialize all elements of *_cost arrays.
2860 * optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
2862 * explow.c: Likewise.
2863 * combine.c: Likewise.
2864 * reload1.c: Likewise.
2867 Wed Jun 24 15:13:01 1998 Dave Brolley <brolley@cygnus.com>
2869 * README.gnat: Add patch for new lang_decode_options interface.
2871 Wed Jun 24 09:14:04 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2873 * except.c (start_catch_handler): Do nothing if EH is not on.
2875 1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
2877 * configure.in (gxx_include_dir): Initialize default value depending on
2878 new flag --enable-version-specific-runtime-libs; remove superfluous
2879 default initialization afterwards.
2880 * configure: Regenerate.
2882 Wed Jun 24 01:32:12 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2884 * toplev.c (rest_of_compilation): Revert May 15 change.
2886 Tue Jun 23 21:27:27 1998 Ken Raeburn <raeburn@cygnus.com>
2888 * reload.c (find_reloads): Fix check for failure to match any
2889 alternative, to account for Mar 26 change in initial "best" cost.
2891 Tue Jun 23 16:44:21 1998 Dave Brolley <brolley@cygnus.com>
2893 * cpplib.c (do_line): Typo broke #line directive.
2894 (cpp_message_from_errno): New function.
2895 (cpp_error_from_errno): Call cpp_message_from_errno.
2896 * cpplib.h (cpp_message_from_errno): New function.
2898 Tue Jun 23 13:38:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2900 * libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
2901 functions to return exception descriptor information.
2902 (find_exception_handler): Pass match_info field to runtime matcher,
2903 not a descriptor table entry.
2905 Tue Jun 23 09:30:58 1998 Dave Love <d.love@dl.ac.uk>
2907 * cpp.texi, gcc.texi: Add @dircategory, @direntry meant to
2908 accompany previous Makefile.in (install-info) change.
2910 Tue Jun 23 10:06:07 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2912 * eh-common.h (struct __eh_info): Remove coerced value field.
2913 * libgcc2.c (find_exception_handler): Don't set coerced_value field.
2914 * except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
2915 POINTER_SIZE instead of Pmode.
2916 (expand_start_all_catch): Call start_catch_handler() if we are not
2917 using new style exceptions.
2919 Tue Jun 23 06:45:00 1998 Catherine Moore <clm@cygnus.com>
2921 * varasm.c (assemble_variable): Remove reference to warn_bss_align.
2923 Mon Jun 22 23:57:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2925 * config/sparc/sparc.md (zero_extendhidi2, extendhisi2,
2926 extendqihi2, extendqisi2, extendqidi2, extendhidi2, adddi3,
2927 subdi3, negdi2, call, call_value, untyped_return, nonlocal_goto,
2928 splits and peepholes): Change remaining generic gen_rtx calls to
2929 specific genrtl ones.
2930 * config/sparc/sparc.c: Likewise.
2932 Mon Jun 22 22:21:46 1998 Richard Henderson <rth@cygnus.com>
2934 * gcc.c (handle_braces): Recognize | between options as an or.
2936 Mon Jun 22 23:13:47 1998 John Wehle (john@feith.com)
2938 * i386/freebsd-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
2939 * i386/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
2941 * i386.md (exception_receiver): Define.
2943 Mon Jun 22 12:01:48 1998 Jim Wilson <wilson@cygnus.com>
2945 * Makefile.in (PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME,
2946 PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): New variables.
2947 (install-common): Use them.
2949 * gcse.c (add_label_notes): New function.
2950 (pre_insert_insn): Call it.
2951 * unroll.c (unroll_loop): Look for insns with a REG_LABEL note, and
2952 pass the label to set_label_in_map.
2954 Mon Jun 22 19:01:14 1998 Dave Love <d.love@dl.ac.uk>
2956 * Makefile.in (install-info): Fix typpo in previous change.
2958 Mon Jun 22 11:10:00 1998 Catherine Moore <clm@cygnus.com>
2960 * varasm.c (assemble_variable): Emit alignment warning.
2962 Mon Jun 22 08:18:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2964 * Makefile.in (varasm.o): Depend on sdbout.h.
2965 (sdbout.o): Depend on toplev.h.
2967 * collect2.c (scan_prog_file): Cast fprintf argument to `long' and
2970 * final.c (shorten_branches): Cast first arg of `bzero' to char *.
2972 * genextract.c (main): When creating insn-extract.c, mark variable
2973 `i' with ATTRIBUTE_UNUSED.
2975 * genpeep.c (main): When creating insn-peep.c, mark variables
2976 `insn', `x' and `pat' with ATTRIBUTE_UNUSED.
2978 * objc/init.c (__objc_tree_print): Wrap function definition in
2981 * objc/objc-act.c (encode_array): Cast sprintf argument to `long'
2982 and use %ld specifier.
2983 (adorn_decl): Likewise, twice.
2985 * reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *.
2987 * sdbout.c: Include output.h and toplev.h.
2988 (PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument
2989 `a'. Cast `a' to HOST_WIDE_INT to force it to always be so.
2990 (PUT_SDB_SIZE): Likewise.
2992 * sdbout.h (sdbout_mark_begin_function): Add prototype.
2994 * stmt.c (check_for_full_enumeration_handling): Cast argument of
2995 `warning' to long and use %ld specifier.
2997 * toplev.c (main): Likewise for `fprintf'.
2999 * toplev.h (output_file_directive): Add prototype.
3001 * unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in
3003 (precondition_loop_p): Likewise.
3005 * varasm.c Include sdbout.h.
3006 (assemble_static_space): Move sometimes-unused variable `rounded'
3007 into the scope in which it is used.
3009 * mips.c (gpr_mode): Don't say `static' twice.
3011 * cpplib.c (cpp_handle_option): Don't pass unneeded NULL to cpp_fatal.
3013 * objc/objc-act.c (init_selector): Hide prototype and definition.
3015 * optabs.c (gen_cond_trap): Remove unused variable `icode'.
3017 * regmove.c (copy_src_to_dest): Likewise for `i'.
3019 * mips-tfile.c (add_local_symbol): Cast width format specifier to int.
3020 (add_ext_symbol): Likewise.
3021 (add_file): Likewise.
3022 (parse_def): Likewise.
3023 (write_varray): Use HOST_PTR_PRINTF to print a pointer. Fix
3024 remaining format specifiers and arguments.
3025 (write_object): Likewise, several times.
3026 (read_seek): Likewise.
3027 (out_of_bounds): Likewise.
3028 (allocate_cluster): Likewise.
3029 (xmalloc): Likewise.
3030 (xcalloc): Likewise.
3031 (xrealloc): Likewise.
3034 * mips-tdump.c (print_symbol): Likewise.
3036 Sun Jun 21 17:05:34 1998 Dave Love <d.love@dl.ac.uk>
3038 * Makefile.in (install-info): Use install-info program if
3039 available, per GNU standard.
3041 Sun Jun 21 18:56:44 1998 Jeffrey A Law (law@cygnus.com)
3043 * invoke.texi: Document -mrelax for the mn10300 and mn10200.
3045 * basic-block.h (init_regset_vector): Delete declaration.
3046 * flow.c (init_regset_vector): Make it static and add a prototype.
3048 * bitmap.h (debug_bitmap): Declare.
3050 * haifa-sched.c (debug_ready_list): Make static.
3052 * toplev.h (fancy_abort): Declare.
3054 Sun Jun 21 18:30:13 1998 H.J. Lu (hjl@gnu.org)
3056 * basic-block.h (init_regset_vector): New declaration.
3058 * Makefile.in (sdbout.o): Add insn-codes.h to dependency.
3060 * global.c: Include machmode.h amd move hard-reg-set.h before
3063 * haifa-sched.c (insn_issue_delay, birthing_insn_p,
3064 adjust_priority, print_insn_chaino): New declaration.
3065 (schedule_insns): Remove declaration.
3066 (init_target_units, get_visual_tbl_length,
3067 init_block_visualization): Add prototype.
3069 * integrate.c (pushdecl, poplevel): Remove declaration.
3071 * rtl.h (expand_expr): Remove declaration.
3073 * loop.c (oballoc): Remove declaration.
3074 (replace_call_address): Add prototype.
3076 Sun Jun 21 01:08:17 PDT 1998 Jeff Law (law@cygnus.com)
3078 * version.c: Bump for snapshot.
3080 Sun Jun 21 01:16:38 1998 John Wehle (john@feith.com)
3082 * i386.c (output_fp_conditional_move): Don't bother handling
3083 (cc_prev_status.flags && CC_NO_OVERFLOW) since the INSN patterns
3084 prevent this from happening.
3086 * i386.md (nonlocal_goto_receiver): Delete.
3088 Sun Jun 21 00:42:20 1998 H.J. Lu (hjl@gnu.org)
3090 * Makefile.in (crtbeginS.o, crtendS.o): Add -fno-exceptions and
3092 (INSTALL): cd $(srcdir) before make.
3094 * flow.c (allocate_for_life_analysis, init_regset_vector):
3097 * function.h (get_first_block_beg): New declaration.
3099 * gbl-ctors.h (__do_global_dtors): Add prototype.
3101 * gcov-io.h (__fetch_long): New declaration.
3102 (__store_long): Likewise.
3103 (__read_long): Likewise.
3104 (__write_long): Likewise.
3106 * gcov.c (print_usage): New declaration.
3108 * Makefile.in (c-iterate.o): Depend on insn-codes.h too.
3110 Sat Jun 20 00:36:16 1998 Jeffrey A Law (law@cygnus.com)
3112 * calls.c (expand_call): Initialize "src" and "dest".
3113 * stmt.c (expand_return): Likewise.
3114 * expmed.c (extract_split_bit_field): Similarly for "result"
3115 * gcse.c (compute_hash_table): Mark first arg as unused.
3116 * jump.c (jump_optimize): Initialize reversep.
3117 * tree.c (make_node): Initialize length.
3119 * c-common.c (check_format_info): Initialize length_char and
3120 fci to keep -Wall quiet.
3122 * except.c (jumpif_rtx): Put declaration and definition
3123 inside a suitable #ifdef.
3124 (jumpifnot_rtx): Delete dead function.
3126 * i386.h (output_int_conditional_move): Declare.
3127 (output_fp_conditional_move): Likewise.
3128 (ix86_can_use_return_insn_p): Likewise.
3130 * optabs.c (init_traps): Put prototype inside a suitable #ifdef.
3132 Sat Jun 20 00:27:40 1998 Graham <grahams@rcp.co.uk>
3134 * alias.c: Include toplev.h
3135 * caller-save.c: Include toplev.h
3136 * combine.c: Include toplev.h
3137 * flow.c Include toplev.h
3138 * global.c: Include toplev.h
3139 * jump.c: Include toplev.h
3140 * local-alloc.c: Include toplev.h
3141 * loop.c: Include toplev.h
3142 * regmove.c: Include toplev.h
3143 * stupid.c: Include toplev.h
3144 * unroll.c: Include toplev.h
3145 * Makefile.in: Add toplev.h dependencies.
3147 Fri Jun 19 22:40:25 1998 Jason Merrill <jason@yorick.cygnus.com>
3149 * regmove.c (copy_src_to_dest): Add decl for loop_depth.
3151 * svr4.h (ASM_GENERATE_INTERNAL_LABEL): Cast arg to unsigned.
3152 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA1): Likewise.
3153 Add parens to various macros.
3155 Fri Jun 19 23:22:42 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3157 * c-typeck.c (pop_init_level): Warn about implicit zero initialization
3160 Fri Jun 19 23:06:33 1998 Jason Merrill <jason@yorick.cygnus.com>
3162 * varasm.c (assemble_start_function): Add weak_global_object_name.
3163 * tree.c (get_file_function_name): Use it.
3165 Fri Jun 19 22:55:14 1998 Jeffrey A Law (law@cygnus.com)
3167 * except.c (jumpif_rtx): Make static and add prototype.
3168 (jumpifnot_rtx): Likewise.
3170 * README.gnat: Add a build patch from Fred Fish.
3172 * c-lang.c (GNU_xref_begin, GNU_xref_end): Deleted.
3174 * Makefile.in (c-iterate.o): Depend on expr.h.
3176 Fri Jun 19 20:38:34 1998 H.J. Lu (hjl@gnu.org)
3178 * except.h (emit_unwinder, end_eh_unwinder): Removed.
3180 * dwarfout.c (getpwd): Add prototype.
3181 (is_pseudo_reg, type_main_variant, is_tagged_type,
3182 is_redundant_typedef): New declaration.
3183 (output_decl): Add prototype for FUNC.
3184 (type_main_variant): Make it static.
3185 (is_tagged_type): Likewise.
3186 (is_redundant_typedef): Likewise.
3188 * expr.c (do_jump_by_parts_greater_rtx): Removed.
3189 (truthvalue_conversion): Likewise.
3191 * c-iterate.c: Include "expr.h".
3192 (expand_expr): Use proper values when calling the function.
3194 * explow.c (emit_stack_save): Add prototype for FCN.
3195 (emit_stack_restore): Likewise.
3197 * dwarf2out.c (getpwd): Add prototype.
3199 * dwarf2out.h (debug_dwarf, debug_dwarf_die): New declarations.
3201 * c-typeck.c (c_expand_asm_operands): Use proper values when calling
3204 * c-lex.c (yyprint): Add prototype.
3205 (check_newline, build_objc_string): Remove declaration.
3207 * c-tree.h (comptypes_record_hook): Removed.
3208 (finish_incomplete_decl): New prototype.
3210 * alias.c (find_base_value): Add prototype.
3211 (true_dependence): Add prototype for function argument.
3213 * c-aux-info.c (xmalloc): Remove declaration.
3215 Fri Jun 19 20:23:05 1998 Robert Lipe <robertl@dgii.com>
3217 * i386.c: Include system.h. Remove redundant includes.
3218 (optimization_options): Mark param 'size' with ATTRIBUTE_UNUSED.
3219 (i386_cc_probably_useless_p): Likewise for 'decl', 'attributes',
3220 'identifier', 'args'.
3221 (i386_valid_type_attribute_p): Likewise for 'attributes'.
3222 (i386_comp_type_attribute_p): Likewise for 'type1', 'type2'.
3223 (function_arg_partial_nregs): Likewise for 'cum', 'mode', 'type',
3225 (symbolic_operand): Likewise for 'mode'.
3226 (call_insn_operand): Likewise.
3227 (expander_call_insn_operand): Likewise.
3228 (ix86_logical_operator): Likewise.
3229 (ix86_binary_operator_ok): Likewise.
3230 (emit_pic_move): Likewise.
3231 (VOIDmode_compare_op): Likewise.
3233 (str_immediate_operand): Likewise.
3234 (ix86_uary_operator_ok): Likewise for 'code', 'mode', and 'operands'.yy
3235 (asm_output_function_prefix): Likewise for 'name'.
3236 (function_prologue): Likewise for 'file', and 'size'.
3237 (function_epilogue): Likewise.
3239 1998-06-19 Jim Wilson <wilson@cygnus.com>
3241 * loop.h (struct induction): Clarify comment for unrolled field.
3242 * unroll.c (find_splittable_givs): Move set of unrolled field
3243 after address validity check.
3245 Fri Jun 19 18:38:04 1998 Michael Meissner <meissner@cygnus.com>
3247 * config/fp-bit.c (INLINE): Only define if not already defined.
3249 1998-06-19 Manfred Hollstein <manfred@s-direktnet.de>
3251 * Makefile.in (installdirs): Loop over directories in $(libsubdir)
3252 creating probably missing ones, instead of single if statements.
3254 Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3256 * c-common.c (truthvalue_conversion): Protect side effects in the
3257 expression when splitting a complex value.
3258 * fold-const.c (fold): Likewise.
3260 Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de)
3262 * cccp.c (hack_vms_include_specification): rewrite to handle
3263 '#include <dir/file.h>' correctly.
3265 Fri Jun 19 02:24:11 1998 H.J. Lu (hjl@gnu.org)
3267 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Defined.
3269 Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com)
3271 * i386.c (notice_update_cc): Integer conditional moves don't
3274 * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag
3275 to support LT, LE, GE, and GT signed integer comparisons.
3276 (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2,
3277 movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison
3278 is LT, LE, GE, or GT.
3279 (movdicc): Remove code resulting from an earlier patch which
3280 didn't apply correctly.
3282 Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3284 * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
3285 consider a MEM in FP mode as equal.
3287 Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com)
3289 * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for
3290 duplicate declarations of a function.
3292 Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org)
3294 * config/float-i386.h: New.
3296 * configure.in (i[34567]86-*-linux-*): Set float_format to i386.
3298 Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com>
3300 * sched.c (schedule_insns): Use xmalloc not alloca for max_uid
3301 indexed arrays. Call free at the end of the function for them.
3302 * haifa-sched.c (schedule_insns): Likewise.
3304 Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com>
3306 * dwarf2out.c (size_of_string): Do count backslashes.
3308 Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com>
3310 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG
3311 addressing when one register is the frame pointer or stack
3312 pointer. Disallow REG+CONST addressing in HI mode.
3314 Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3316 * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to
3319 Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3321 * Makefile.in (c-lang.o): Depend on output.h.
3323 * c-lang.c: Include output.h.
3325 * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
3327 * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
3329 * genrecog.c (write_subroutine): When writing insn-recog.c, mark
3330 variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
3331 with ATTRIBUTE_UNUSED.
3333 * regmove.c (copy_src_to_dest): Make function static to match its
3336 * reload1.c Include hard-reg-set.h before rtl.h to get macro
3337 HARD_CONST. Include machmode.h before hard-reg-set.h.
3339 * rtl.h: Prototype `retry_global_alloc' and wrap with macro
3340 HARD_CONST to protect usage of typedef HARD_REG_SET.
3342 * tree.c: Prototype `_obstack_allocated_p'.
3344 * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
3347 Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * pa.c: Include system.h and toplev.h. Remove redundant code.
3350 (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED.
3351 (symbolic_operand): Likewise.
3352 (symbolic_memory_operand): Likewise.
3353 (pic_label_operand): Likewise.
3354 (fp_reg_operand): Likewise.
3355 (pre_cint_operand): Likewise.
3356 (post_cint_operand): Likewise.
3357 (ireg_or_int5_operand): Likewise.
3358 (int5_operand): Likewise.
3359 (uint5_operand): Likewise.
3360 (int11_operand): Likewise.
3361 (uint32_operand): Likewise.
3362 (ior_operand): Likewise.
3363 (lhs_lshift_cint_operand): Likewise.
3364 (pc_or_label_operand): Likewise.
3365 (legitimize_pic_address): Likewise.
3366 (hppa_legitimize_address): Likewise for parameter `old'.
3367 (output_block_move): Likewise for parameter `size_is_constant'.
3368 (output_function_prologue): Likewise for parameter `size'.
3369 (output_function_epilogue): Likewise.
3370 (return_addr_rtx): Likewise for parameter `count'.
3371 (output_mul_insn): Likewise for parameter `unsignedp'.
3372 (hppa_builtin_saveregs): Likewise for parameter `arglist'.
3373 (output_bb): Likewise for parameter `operands'.
3374 (output_bvb): Likewise.
3375 (function_label_operand): Likewise for parameter `mode'.
3376 (plus_xor_ior_operator): Likewise.
3377 (shadd_operand): Likewise.
3378 (non_hard_reg_operand): Likewise.
3379 (eq_neq_comparison_operator): Likewise.
3380 (movb_comparison_operator): Likewise.
3381 (pa_combine_instructions): Likewise for parameter `insns'.
3383 * pa.h: Add prototypes for functions `output_deferred_plabels',
3384 `override_options', `output_ascii', `output_function_prologue',
3385 `output_function_epilogue', `print_operand',
3386 `symbolic_expression_p', `reloc_needed', `compute_frame_size',
3387 `hppa_address_cost', `and_mask_p', `symbolic_memory_operand',
3388 `pa_adjust_cost', `pa_adjust_insn_length' and
3389 `secondary_reload_class'.
3391 Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com>
3393 * configure.in: Don't turn on collect2 unconditionally.
3395 Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com>
3397 * cse.c (cse_basic_block): Don't include NOTE insns in the count
3398 that is used to decide whether or not it is time to erase the
3401 Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3403 * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero.
3405 Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu>
3407 * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
3408 (sched_analyze_2): Allow scheduling TRAP_IF.
3410 * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
3412 * rtl.h (TRAP_CODE): New macro.
3414 * rtl.def (TRAP_IF): Change second operand type to rtx.
3416 * optabs.c (gen_cond_trap): New function.
3417 (init_traps): New function.
3418 (init_optabs): Call init_traps.
3419 * expr.h: Declare gen_cond_trap.
3421 * jump.c (jump_optimize): Optimize jumps to and around traps.
3423 * sparc.md: Define trap instructions.
3425 * rs6000.md: Define trap instructions.
3426 * rs6000.c (print_operand): New code 'V' for trap condition.
3427 (trap_comparison_operator): New function.
3429 * m88k.md: Update use of TRAP_IF.
3431 * tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
3432 * c-decl.c (init_decl_processing): New builtin __builtin_trap.
3433 * expr.c (expand_builtin): Handle BUILT_IN_TRAP.
3435 * expr.c (expand_builtin): Error if __builtin_longjmp second argument
3438 Wed Jun 17 15:20:00 PDT 1998 Catherine Moore <clm@cygnus.com>
3440 * reload1.c (spill_hard_reg): Check mode of register when
3441 spilling from scratch_list.
3443 Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
3445 * except.c (add_new_handler): fix bug in finding last region handler.
3446 * libgcc2.c (find_exception_handler): Pass exception table pointer
3447 to runtime type matcher, not the match info field.
3449 Wed Jun 17 15:57:48 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
3451 * eh-common.h (struct eh_context): Add comment for hidden use of
3452 field dynamic_handler_chain.
3453 * except.c (get_dynamic_handler_chain): Comment on, and use the
3454 correct offset of the dynamic_handler_chain field.
3456 1998-06-17 12:46:56 1998 Jim Wilson <wilson@cygnus.com>
3458 * mips/iris6.h (LINK_SPEC): Add -woff 131.
3460 1998-06-17 Jason Merrill <jason@yorick.cygnus.com>
3462 * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init.
3464 * configure.in: Don't disable collect2 when we have GNU ld.
3466 Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com)
3468 * fold-const.c (make_range): Do not widen the type of the expression.
3470 * expr.c (check_max_integer_computation_mode): New function.
3471 (expand_expr): Avoid integer computations in modes wider than
3472 MAX_INTEGER_COMPUTATION_MODE.
3473 * fold-const.c (fold): Likewise.
3474 * tree.h (check_max_integer_computation_mode): Declare.
3475 * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
3477 * configure.in (nm): Make a link to "nm" in the build tree too.
3479 * mn10300.md (andsi3): Fix typo.
3481 Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com>
3483 * reload1.c (reload_cse_regs): Call bzero instead of looping.
3485 Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com>
3487 * dwarf2out.c (stripattributes): Prepend '*' to the section name.
3489 Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com>
3491 * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns.
3492 (output_prologue, output_epilogue): Merge VMS and OSF versions;
3493 Remove anything related to the actual code generation.
3494 (output_end_prologue): New function.
3495 (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions.
3496 (alpha_does_function_need_gp): Return false for VMS.
3497 (alpha_function_needs_gp): Make static.
3498 (add_long_const): Delete.
3499 (summarize_insn): Don't assume a SUBREG is of a REG.
3500 Prototype all static functions. Rename VMS-specific global
3502 * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0.
3503 (FUNCTION_BOUNDARY): Align to cache line.
3504 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword.
3505 (FUNCTION_END_PROLOGUE): New macro.
3506 * alpha.md (attribute length): New. Mark all insns.
3507 (return_internal, prologue_stack_probe_loop) New patterns.
3508 (prologue, init_fp, epilogue): New patterns.
3510 * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define.
3512 Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com>
3514 * toplev.c (lang_options): Add -trigraphs option for cpplib.
3516 Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3518 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
3519 is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
3520 is earlier than RELOAD_FOR_INPUT_ADDRESS.
3522 Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com>
3524 * libgcc1-test.c (memcpy): Define.
3526 Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com>
3528 * genattrtab.c (struct attr_desc): Change int flags to bit
3529 fields. Add bit fields for this being function_units_used
3530 or *_blockage_range attributes.
3531 (write_unit_name): New function to print a function unit name
3533 (expand_units): Indicate whether this is function_units_used or
3534 *_blockage_range attributes.
3535 (write_toplevel_expr): Print function_units_used and
3536 *_blockage_range attributes in a more friendly fashion.
3537 (make_internal_attr): Indicate whether this attribute is either
3538 function_units_used or *_blockage_range.
3540 Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com>
3541 Jim Wilson <wilson@cygnus.com>
3543 * regmove.c (copy_src_to_dest): Do not copy src to dest if either
3544 the source or destination is special.
3546 Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com>
3548 * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop.
3550 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
3552 * version.c: Bump for snapshot.
3554 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
3556 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
3559 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
3561 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
3562 (ENDFILE_SPEC): Add -lgloss.
3564 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3566 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
3567 (large_int): Likewise.
3568 (pc_or_label_operand): Likewise.
3569 (call_insn_operand): Likewise.
3570 (consttable_operand): Likewise.
3571 (m16_uimm3_b): Likewise.
3572 (m16_simm4_1): Likewise.
3573 (m16_nsimm4_1): Likewise.
3574 (m16_simm5_1): Likewise.
3575 (m16_nsimm5_1): Likewise.
3576 (m16_uimm5_4): Likewise.
3577 (m16_nuimm5_4): Likewise.
3578 (m16_simm8_1): Likewise.
3579 (m16_nsimm8_1): Likewise.
3580 (m16_uimm8_1): Likewise.
3581 (m16_nuimm8_1): Likewise.
3582 (m16_uimm8_m1_1): Likewise.
3583 (m16_uimm8_4): Likewise.
3584 (m16_nuimm8_4): Likewise.
3585 (m16_simm8_8): Likewise.
3586 (m16_nsimm8_8): Likewise.
3587 (m16_usym8_4): Likewise.
3588 (m16_usym5_4): Likewise.
3589 (mips_move_1word): Change type of variable `i' from int to size_t.
3590 (mips_move_2words): Likewise.
3591 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
3592 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
3593 (function_arg): Likewise.
3594 (function_arg_partial_nregs): Mark parameter `named' with
3596 (override_options): Use ISDIGIT instead of isdigit.
3597 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
3598 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
3599 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
3600 function `fatal' to long before printing. Use
3601 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
3602 times in this function.
3603 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
3604 (function_epilogue): Likewise for parameters `file' and `size'.
3605 Print an int with "%d" not "%ld".
3606 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
3607 (mips_function_value): Likewise for parameter `func'.
3608 (function_arg_pass_by_reference): Likewise for parameters `cum'
3610 (extend_operator): Likewise for parameter `mode'
3611 (highpart_shift_operator): Likewise.
3613 * mips.md (mul_acc_si): Remove unused variable `macc'.
3615 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
3617 * fold-const.c (fold): Revert last change. It breaks constant
3618 expressions somehow.
3620 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3622 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
3623 prevent operands from being evaluated twice.
3625 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
3627 * toplev.c (lang_options): Add -remap as a preprocessor option.
3629 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
3631 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
3632 which set CC_REVERSED since reload should ensure that
3633 the operands are already the correct type.
3635 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
3637 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
3638 calling gen_rtx_SET.
3640 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
3642 * config/rs6000/x-aix43 (AR): Delete.
3643 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
3645 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
3647 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
3649 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
3651 * mips.c (override_options): Replace word_mode with explicit
3654 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
3656 * regmove.c (regmove_optimize): If we can't replace the
3657 destination in an insn that sets the source, generate an explicit
3658 move of the source to the destination.
3659 (copy_src_to_dest): New function.
3660 (toplevel): Include basic-block.h
3662 * Makefile.in (regmove.o): Add basic-block.h dependencies.
3664 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
3666 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
3668 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
3670 * rtl.h (rtx_def): Improve documentation.
3671 (MEM_IN_STRUCT_P): Likewise.
3673 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
3675 * c-decl.c (start_decl): Correct test for -Wmain.
3677 * c-decl.c (grokdeclarator): Remove unused variable "last".
3679 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
3681 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
3682 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
3683 Delete code storing value in static_chain_rtx.
3684 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
3685 to second expand_expr call.
3687 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
3689 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
3691 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
3693 * cppmain.c (fatal): New function.
3694 * configure.in (cpp_main): New configuration variable.
3695 * configure: Regenerated.
3696 * Makefile.in (CCCP): Use a configuration variable to select basex
3698 (cppmain$(exeext)): Add @extra_cpp_objs@.
3700 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
3702 * objc/objc-act.c: Add cpplib declarations.
3703 (lang_decode_option): Initialize cpplib if necessary.
3704 (lang_decode_option): New argc/argv interface.
3705 * tree.h (lang_decode_option): New argc/argv interface.
3706 * toplev.c (lang_options): Add cpp options.
3707 (main): New interface for lang_decode_option.
3708 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
3709 unless -E, -M or -MM is specified.
3710 * cpplib.h (cpp_handle_option): New function.
3711 * cpplib.c (cpp_handle_option): New function.
3712 (cpp_handle_options): Now calls cpp_handle_option.
3713 * c-tree.h (c_decode_option): New argc/argv interface.
3714 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
3715 * c-lang.c (lang_decode_option): New argc/argv interface.
3716 * c-decl.c: Add cpplib declarations.
3717 (c_decode_option): New argc/argv interface.
3718 (c_decode_option): Call cpp_handle_option.
3719 (c_decode_option): Now returns number of strings processed.
3721 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
3723 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
3724 changes. Abort if the undo fails.
3726 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
3728 * config/rs6000/rs6000.c (output_prolog): Change locations and
3729 directions of saving and restoring arguments of main on the stack.
3731 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
3733 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
3734 for each alternative. Do not replace a CONST_INT with a REG unless
3737 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
3739 * decl.c (init_decl_processing): Fix typo.
3741 * mips.c (gpr_mode): New variable.
3742 (override_options): Initialize gpr_mode.
3743 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
3744 determine size and offset of general purpose registers save slots.
3745 (save_restore_insns, mips_expand_prologue): Similarly.
3747 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
3748 between constant representations when we have (SUBREG (REG)) with
3749 REG equivalent to a constant.
3751 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
3753 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
3755 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
3757 * fold-const.c (fold): Even with otherwise constant trees, look for
3758 opportunities to combine integer constants.
3760 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
3762 * i386.c (notice_update_cc): Clear cc_status.value2 in the
3763 case of UNSPEC 5 (bsf).
3765 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
3766 conditional move instructions don't support signed integer
3769 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
3771 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
3774 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
3775 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
3778 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3780 * except.c (expand_start_catch): Rename to start_catch_handler.
3781 (expand_end_catch): Delete function.
3782 (expand_end_all_catch): Remove catch status that expand_end_catch
3784 * except.h (expand_start_catch): Rename prototype.
3785 (expand_end_catch): Delete prototype.
3787 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
3789 * invoke.texi: Add documentation for -mips4 and -mabi=*.
3791 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
3793 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
3794 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
3795 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3797 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
3799 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
3800 as the threshold to permit splitting memory operations.
3802 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
3804 * mips.c (gpr_mode): New variable.
3805 (override_options): Initialize gpr_mode.
3806 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
3807 determine size and offset of general purpose registers save slots.
3808 (save_restore_insns, mips_expand_prologue): Similarly.
3810 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
3811 (LIBGCC2_CFLAGS): Remove -fexceptions.
3812 (LIB2FUNCS): Remove "_eh".
3813 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
3814 it with -fexceptions.
3816 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
3817 * local-alloc.c (block_alloc): Avoid creating false
3818 dependencies for targets which use instruction scheduling.
3820 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
3822 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
3823 (ASM_FINISH_DECLARE_OBJECT): Define;
3824 * mips/elf64.h: Likewise.
3826 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
3828 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
3830 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
3832 * version.c: Bump for snapshot.
3834 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
3836 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
3837 (mulsidi3_ppc64): Delete.
3839 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3841 * Makefile.in (varasm.o): Depend on dbxout.h.
3842 (cse.o): Depend on toplev.h and output.h.
3843 (gcse.o): Depend on output.h.
3845 * mips.c: Include system.h and toplev.h and remove redundant code.
3846 Include output.h after tree.h so all its prototypes get activated.
3847 * mips.md (table_jump): Remove unused variable `dest'.
3849 * sparc.h: Add prototype for `v8plus_regcmp_op'.
3851 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
3852 with __attribute__ ((__unused__)).
3853 (__frame_dummy): Provide prototype before use, wrap it with
3854 EH_FRAME_SECTION_ASM_OP.
3856 * cse.c: Move inclusion of <setjmp.h> above local headers.
3857 Include toplev.h and output.h.
3859 * dbxout.h: Add prototype for `dbxout_begin_function'.
3861 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
3862 ASM_OUTPUT_MAX_SKIP_ALIGN.
3864 * gcse.c: Include system.h and output.h.
3865 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
3866 Make extern instead of static.
3867 (compute_can_copy): Only declare variables `reg' and `insn' when
3868 AVOID_CCMODE_COPIES is not defined.
3869 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
3870 (hash_scan_clobber): Likewise for `x' and `insn'.
3871 (hash_scan_call): Likewise.
3872 (record_last_set_info): Likewise for `setter'.
3873 (mark_call): Likewise for `pat'.
3874 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
3876 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
3877 length parameter so that it multiplies the number of elements by
3878 the sizeof(element).
3880 * output.h: Add prototype for `weak_finish'.
3882 * recog.h: Likewise for `validate_replace_src'.
3884 * rtl.h: Likewise for `optimize_save_area_alloca',
3885 `fix_sched_param', `purge_addressof', `gcse_main',
3886 `regmove_optimize', `dbr_schedule', `branch_prob' and
3889 * toplev.h: Likewise for `set_float_handler' and
3890 `output_quoted_string'.
3892 * varasm.c: Include dbxout.h.
3894 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
3896 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
3897 GP_REG_P. Use gr_regs instead of GR_REGS.
3899 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
3900 Jeff Law <law@cygnus.com>
3902 * Revamped multiply support for MIPS chips.
3903 * mips.c (extend_operator): New function.
3904 (highpart_shift_operator): Likewise.
3905 * mips.h: Declare new functions.
3906 (PREDICATE_CODES): Add support for new predicates.
3907 * mips.md (mulsi3 expander): Simplify.
3908 (mulsi_mult3): Add another constraint alternative. Support
3909 3 operand multiply instructions as found on various mips
3911 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
3912 (mul_acc_si): New pattern and associated splitters.
3913 (mulsidi3 expander): Rework to use mulsidi3_64bit and
3915 (umulsidi3): New expander.
3916 (mulsidi3_internal): Accept either sign or zero extended
3917 operands and generate code as appropriate appropriately.
3918 (mulsidi3_64bit): Similarly.
3919 (smulsi3_highpart): Turn into an expander and generate code
3920 to match new patterns.
3921 (umulsi3_highpart): Likewise.
3922 (xmulsi3_highpart_internal): New pattern.
3923 (maddi patterns): Delete. Replace with:
3924 (mul_acc_di, mul-acc_64bit_di): New patterns.
3926 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3928 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
3929 flag_new_exceptions runtime flag.
3930 (struct old_exception_table): New struct which represents what
3931 the exception table looks like without the new model.
3932 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
3933 flag that this is a new style table.
3934 * except.h: Remove compile time flag NEW_EH_MODEL.
3935 (expand_builtin_eh_stub_old): New prototype.
3936 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
3937 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
3938 * c-decl.c (init_decl_processing): Add new builtin function
3939 __builtin_eh_stub_old.
3940 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
3941 * flags.h (flag_new_exceptions): New runtime flag.
3942 * toplev.c (flag_new_exceptions): Initialize default to 0,
3943 -fnew-exceptions sets to 1.
3944 * except.c (output_exception_table_entry): Output New style exception
3945 identifier into table, and replace compile time flag NEW_EH_MODEL
3946 with runtime flag flag_new_exceptions.
3947 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
3948 (expand_builtin_eh_stub_old): Duplicates original functionality of
3949 expand_builtin_eh_stub.
3950 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
3951 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
3952 (old_find_exception_handler): New func, same as find_exception_handler
3953 except it works on the old style exception table.
3954 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
3955 of identifier in the exception table, and call appropriate routines.
3957 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
3959 * function.c: Define current_function_cannot_inline.
3960 (push_function_context_to): Save it.
3961 (pop_function_context_from): Restore it.
3962 * function.h (struct function): Provide it a home.
3963 * output.h: Declare it.
3964 * integrate.c (function_cannot_inline_p): Check it.
3966 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
3968 * expr.c (force_operand): Detect PIC address loads before
3969 splitting arithmetic.
3971 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
3973 * version.c: Bump for snapshot.
3975 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
3977 * tree.c (tree_class_check): Add braces to eliminate ambigious
3979 (tree_check): Likewise.
3981 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
3983 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
3984 stack is the destination for conditional move insn.
3986 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
3988 * tree.h (TREE_VEC_END): Cast unused value to void.
3990 * i386.c (print_operand): Use %lx for long operand.
3992 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
3994 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
3996 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
3998 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
3999 conversion functions.
4001 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
4003 * toplev.c (flag_exceptions): Default to 0.
4004 (compile_file): Remove flag_exceptions == 2 hack.
4005 (main): Call lang_init_options.
4006 * tree.h: Declare it.
4007 * c-lang.c: Implement it.
4008 * objc/objc-act.c: Likewise.
4010 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
4012 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
4013 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
4014 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
4015 (output_function_profiler): Use asm_fprintf and fputs.
4017 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4019 * gencheck.c: Remove redundant stdio.h include. Add a definition
4020 of xmalloc for when we are forced to link with alloca.o.
4022 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
4025 * fold-const.c (constant_boolean_node): Make definition static to
4026 match the prototype.
4028 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
4030 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
4031 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
4032 (do_spec, input_filename, input_filename_length): Make public.
4033 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
4034 Call lang_specific_pre_link befor elinking.
4036 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
4038 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
4039 the insn which has the most insns dependent on it.
4041 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
4043 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
4045 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
4047 * alpha.md (insxh-1): New insxl pattern for combine.
4049 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
4051 * i386/i386.c (output_fp_conditional_move): New function
4052 to output floating point conditional move.
4053 (output_int_conditional_move): New function to output integer
4056 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
4057 output_int_conditional_move () to output int conditional move.
4058 (movsfcc+5, movdfcc+5, movxfcc+5): Call
4059 output_fp_conditional_move () to output floating point
4062 * i386/i386.c (put_condition_code): In INT mode, check
4063 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
4065 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
4067 * dbxout.c (dbxout_type): Output arrays of bits as if
4068 they were bitstrings for Chill
4070 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
4072 * tree.c (get_inner_array_type): New function.
4073 * tree.h (get_inner_array_type): Prototype.
4074 * expr.h (STACK_SAVEAREA_MODE): New macro.
4075 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
4076 STACK_SAVEAREA_MODE.
4077 (expand_builtin_longjmp): Likewise.
4078 * explow.c (emit_stack_save): Likewise.
4079 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
4081 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
4082 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
4083 * rs6000/aix43.h: New file.
4084 * rs6000/t-aix43: New file.
4085 * rs6000/x-aix41: New file.
4086 * rs6000/x-aix43: New file.
4087 * configure.in (rs6000-ibm-aix*): Use them.
4088 * rs6000/powerpc.h: Delete.
4089 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
4090 * rs6000/netware.h: and here.
4091 * rs6000/win-nt.h: and here.
4093 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
4095 (rs6000_override_options): Ignore flag_pic for AIX.
4096 (rs6000_immed_double_const): Delete.
4097 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
4098 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
4099 (num_insns_constant): mask64_operand() is 2 insns.
4100 (logical_operand): Don't assume 32-bit CONST_INT.
4101 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
4102 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
4103 (mask_constant): HOST_WIDE_INT parameter.
4104 (non_and_cint_operand): Delete.
4105 (mask64_operand): New function.
4106 (and64_operand): New function.
4107 (function_arg_advance): DImode arguments do not need special
4108 alignment when 64-bit.
4109 (function_arg): Likewise.
4110 (setup_incoming_varargs): Reverse reg_size assignment.
4111 (print_operand): HOST_WIDE_INT second parameter.
4112 (print_operand, 'B'): New case.
4113 (print_operand, 'M'): Fix typo in lossage string.
4114 (print_operandm 'S'): New case.
4115 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
4116 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
4117 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
4118 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
4119 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
4120 (rs6000_allocate_stack_space): Use {cal|la}.
4121 (output_epilog): Use {cal|la}
4122 (output_function_profiler): Add call glue to mcount call.
4123 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
4125 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
4126 (STACK_BOUNDARY): Depend on TARGET_32BIT.
4127 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
4128 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
4129 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
4130 64-bit mask operand.
4131 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
4132 (STACK_SAVEAREA_MODE): New macro.
4133 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
4134 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
4135 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
4136 (ASM_FILE_START): Emit 64-bit ABI directive.
4137 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
4138 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
4139 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
4140 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
4142 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
4143 Restore define_splits.
4144 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
4145 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
4146 Do not specify base register operand mode.
4147 (floatsidf2_loadaddr): Do not specify base register operand mode.
4148 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
4149 register; do not specify mode. Remove !TARGET_POWERPC64 final
4151 (floatsidf2_load): Do not specify base register operand mode. Remove
4152 !TARGET_POWERPC64 final constraint.
4153 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
4154 base register operand mode.
4155 (adddi3): Split large constants early.
4156 (absdi3): Shift by 63, not 31.
4157 (*mulsidi3_ppc64): New pattern.
4158 (rotldi3): Add masking combiner patterns.
4159 (anddi3): Add rldic{r,l} masking. Remove split of large constants
4160 because PPC insns zero-extend.
4161 (iordi3, xordi3): Split large constants early.
4162 (movsi matcher): Remove S and T constraints.
4163 (movsf const_double): create SImode constant from TARGET_DOUBLE.
4164 (movdf_hardfloat32): Add default abort() case.
4165 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
4166 (movdi): Remove 64-bit constant generator. Try to convert
4167 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
4168 (movdi_32): Add default abort() case.
4169 (movdi_64): Add numerous ways to split 64-bit constants.
4170 Make catch-all define_split more optimal and never FAIL.
4171 (movti_ppc64): Add default abort() case.
4172 (allocate_stack): Remove operand modes. Use Pmode.
4173 (restore_stack_block): Remove operand modes. Generate Pmode
4175 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
4176 temporary. Save area is double Pmode.
4177 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
4178 (call, call_value): Do not specify address operand mode. Choose
4179 appropriate AIX ABI.
4180 (*call_local64, *ret_call_local64): New patterns.
4181 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
4182 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
4183 (compare): Materialize DImode truthvalues.
4185 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
4187 * expr.c (safe_from_p): Avoid combinatorial explosion
4188 over duplicate SAVE_EXPRs by ensuring we never recurse
4189 on one that has already been visited.
4191 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
4193 * loop.c (check_dbra_loop): Initialise final_value before
4194 normalizing the loop.
4196 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4198 * reload1.c (reload_reg_free_for_value_p): New arguments out and
4199 reloadnum. Changed all callers.
4201 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
4203 * system.h: Add _() and N_() macros in preparation for gettext.
4205 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4207 * c-common.c (check_format_info): Put back check for C9x `hh'
4208 length modifier. Warn about %n format writing into const. Remove
4210 (format_char_info): Fix comments.
4212 * configure.in: Set float_format to m68k for all m68k targets that
4213 do not override LONG_DOUBLE_TYPE_SIZE.
4214 * config/float-m68k.h: New file.
4216 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
4218 * jump.c (jump_optimize): Remove debug messages accidentally left in
4219 with the previous change.
4221 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
4223 * expr.c (store_expr): Revert stray patch associated with
4226 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
4228 * jump.c (rtx_unsafe_p): New function.
4229 (jump_optimize): Use it on if/then/else transformations and
4230 conditional move transformations.
4232 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4234 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
4235 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
4236 Cope with CONST being out of range for the bitfield.
4238 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4240 * expr.c (emit_move_insn_1): When moving complex values in several
4241 steps, emit a CLOBBER to show the destination dies.
4243 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
4245 * Makefile.in (site.exp): Use the object testsuite directory as
4246 the temporary directory.
4248 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
4249 address of an ADDRESSOF rtx.
4251 1998-06-02 Mike Stump <mrs@wrs.com>
4253 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
4254 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
4255 * i960.md (ret, flush_register_windows): Define.
4256 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
4258 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
4260 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
4262 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
4263 around an OSF/1 library bug wrt sign-extension of inputs.
4265 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
4267 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
4269 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
4271 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
4273 * varasm.c (assemble_variable): Augment alignment warning.
4275 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
4277 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
4278 in the presence of IEEE negative 0's.
4280 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
4282 * reload.c (find_reloads): Record the existing mode if
4283 operand_mode == VOIDmode before replacing a register with
4285 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
4286 i386_compare_op1 to const0_rtx for the benefit of the
4287 conditional move patterns.
4288 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
4289 based on suggestions from Jim Wilson.
4291 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
4293 * version.c: Bump for snapshot.
4295 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
4297 * Makefile.in (fixinc.sh): Update rules again.
4299 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
4301 * extend.texi: Bring back reference to trampoline paper.
4303 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
4305 * Makefile.in (USER_H): Add stdbool.h.
4306 * ginclude/stdbool.h: New file.
4308 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
4310 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
4313 * gcse.c (pre_delete): Fix code to determine the mode of
4314 the reaching pseudo register.
4316 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4318 * Makefile.in (GEN): Add gencheck
4319 (STAGESTUFF): Add tree-check.h and gencheck.
4321 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
4323 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
4324 (fixinc.sh): Set some additional environment variables before
4325 calling mkfixinc.sh.
4327 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
4329 * reload.c (find_reloads): Do not force a reloads of match_operators.
4331 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4333 * except.h (remove_handler): Add new prototype.
4334 * except.c (remove_handler): New function to remove handlers
4335 from an exception region.
4336 * flow.c (find_basic_blocks_1): Remove handlers from regions when
4337 handler label is deleted; remove exception regions with no handlers.
4339 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
4341 * except.h (rtx): Define rtx type correctly if needed.
4342 * function.h (rtx): Ditto.
4343 (tree): Define tree type correctly if needed.
4345 * c-pragma.c (toplevel): Include rtl.h.
4347 * stor-layout.c (toplevel): Move include of rtl.h before
4350 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
4351 (tree.o): Add except.h dependency.
4353 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
4355 * reload1.c: Revert accidental checkin.
4357 * configure.lang: Fix thinko when adding a definition for
4358 target_alias to the Makefile.
4360 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
4362 * config/sparc/lb1spc.asm (.rem and .urem): Replace
4365 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
4367 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
4368 variable warnings. Don't generate scratch registers if only
4370 (find_barrier): Eliminate unused variable SRC.
4372 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
4374 * toplev.h (rtx_def): Provide global declaration to avoid
4375 `limited scope' warnings.
4377 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
4379 * Makefile.in (gencheck.o): Use HOST_CC.
4380 * i386/t-mingw32: New file.
4381 * configure.in (i386-*-mingw32*): Use.
4383 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
4385 * arm.c (bad_signed_byte_operand): New predicate function.
4386 * arm.h (PREDICATE_CODES): Add it to the list.
4387 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
4389 (define_split): Two new splits for above insns.
4391 * arm.c: Include toplev.h.
4392 (arm_override_options): Add parentheses around use of tune_flags.
4393 (arm_split_constant): Remove unused variable.
4394 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
4395 (output_func_prologue, arm_expand_prologue): Likewise.
4396 (arm_canonicalize_comparison): Make I unsigned; rework constants
4397 accordignly. Add missing paratheses around << operation.
4398 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
4400 ({load,store}_multiple_sequence): Initialize BASE_REG.
4401 (select_dominance_cc_mode): Add DEFAULT clauses.
4402 (broken_move): Return zero if the destination is not a register.
4403 (arm_reorg): Move unused REGNO declaration into the dead code.
4404 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
4406 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
4408 * version.c: Bump for snapshot.
4410 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
4412 * version.c: Bump for snapshot.
4414 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
4416 * cpperror.c (v_cpp_message): Remove static prototype.
4417 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
4418 * cpplib.h (v_cpp_message): Add protoptype.
4419 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
4421 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
4423 * version.c: Bump for snapshot.
4425 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
4427 * version.c: Bump for snapshot.
4429 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4431 * m68k.h: Declare more functions used in macros.
4432 (REG_CLASS_CONTENTS): Completely embrace initializer.
4433 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
4434 about returning no value.
4435 * cse.c (find_best_addr): Declare p and found_better only if
4437 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
4438 * dwarfout.c (string_length_attribute): #if 0 away.
4439 * function.c (expand_function_end): Define varible blktramp only
4441 * jump.c (find_insert_position): Define only if !HAVE_cc0.
4442 * loop.c (combine_givs_p): Define variable tem only if needed.
4443 * real.c: Comment out unused functions eabs, eround,
4444 e{24,53,64,113}toasc and eiinfin.
4447 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4449 * Makefile.in (boostrap2-lean, bootstrap3-lean,
4450 bootstrap4-lean): New targets.
4452 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
4454 * warn_summary, test_summary: Moved into the contrib directory.
4456 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
4458 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
4460 (FLOAT_H_TEST): Likewise.
4461 (ENQUIRE): Likewise.
4462 (float.h-nat): Likewise.
4463 (float.h-cross): Likewise.
4464 (enquire): Likewise.
4465 (enquire.o): Likewise.
4466 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
4467 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
4469 (FLOAT_H): Remove old float.h-nat version; move current definition
4470 to CROSS_FLOAT_H location.
4471 (all.cross): Remove comments about enquire stuff.
4473 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
4474 (rest.encap): Likewise.
4475 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
4477 * toplev.h (tree_node): Provide global declaration to avoid
4478 `limited scope' warnings.
4480 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
4482 * test_summary: Display section breaks for each entry
4483 in a multilibbed target's output.
4485 1998-05-23 Richard Henderson <rth@cygnus.com>
4487 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4488 offset's mode is not ptr_mode, convert it.
4490 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
4492 * fold-const.c (ssize_binop): New fn.
4493 * tree.h: Declare it.
4495 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
4497 * genextract.c (print_path): Handle zero-length path as a special
4500 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
4502 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
4504 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
4506 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
4507 (shorten_branches, final_scan_insn): Test value of
4508 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
4510 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
4511 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
4512 * arm/tcoff.h: Likewise.
4513 * i386/386bsd.h: Likewise.
4514 * i386/freebsd-elf.h: Likewise.
4515 * i386/freebsd.h: Likewise.
4516 * i386/netbsd.h: Likewise.
4517 * i386/ptx4-i.h: Likewise.
4518 * i386/sysv4.h: Likewise.
4519 * pa/pa.h: Likewise.
4520 * rs6000/linux.h: Likewise.
4521 * rs6000/rs6000.h: Likewise.
4522 * sh/sh.h: Likewise.
4523 * sparc/sp64-elf.h: Likewise.
4524 * v850/v850.h: Likewise.
4525 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
4526 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
4528 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4530 * regmove.c (gen_add3_insn): New function.
4531 (fixup_match_2): Use it instead of calling gen_addsi3.
4533 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
4535 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
4537 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
4540 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4542 * Makefile.in (TREE_H): Add tree-check.h.
4543 (tree-check.h, gencheck): New targets.
4544 * gencheck.c: New file.
4545 * tree.c (tree_check, tree_class_check): New functions.
4546 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
4547 (TYPE_CHECK, DECL_CHECK): Define.
4548 Modify all access macros to use generated checking macros.
4550 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
4552 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
4553 * configure.in: Check for it.
4554 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
4555 * final.c (uid_align, uid_shuid, label_align): Make static.
4556 (label_align): Change type to struct label_alignment pointer.
4557 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
4558 (LABEL_TO_MAX_SKIP): Define.
4559 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
4560 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
4561 (shorten_branches): Record the maximum bytes to skip when
4563 (final_scan_insn): Use the maximum bytes to skip when aligning a label
4564 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
4565 * i386.h (LOOP_ALIGN_MAX_SKIP,
4566 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
4567 * i386.c (override_options): i386_align_jumps and i386_align_loops
4568 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
4569 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
4571 1998-05-21 Mark Mitchell <mmitchell@usa.net>
4573 * cplus-dem.c (do_type): Handle volatile qualification.
4575 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
4577 * function.c (init_function_start): Don't call emit_line_note if
4578 lineno is 0. (Can happen when compiling Java .class files.)
4580 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4582 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
4583 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
4585 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4587 * combine.c (nonzero_bits): For paradoxical subregs, take
4588 LOAD_EXTENDED_OP into account.
4590 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
4592 * configure.in (extra_c_objs): add prefix.o.
4593 (extra_cxx_objs): extra objects for C++ with cpplib.
4594 * configure: Regenerate.
4596 * c-tree.h: (get_directive_line): Different prototype for cpplib.
4597 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
4599 * c-lex.h: (get_directive_line): Not needed here for cpplib.
4601 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
4602 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
4604 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
4605 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
4607 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4609 * gengenrtl.c (type_from_format, accessor_from_format): Change
4610 type of parameter `c' from `char' to `int'.
4612 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
4614 * warn_summary, test_summary: New scripts from
4615 Kaveh Ghazi and Alexandre Oliva respectively.
4617 * gcse.c (current_function_calls_longjmp): Declare.
4619 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
4621 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
4623 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
4624 Jeff Law (law@cygnus.com)
4626 * Global CSE and constant/copy propagation.
4627 * Makefile.in (OBJS): Add gcse.o
4628 (STAGESTUFF): Add *.gcse.
4629 (gcse.o): Add dependencies.
4630 (mostlyclean): Remove *.gcse and */*.gcse.
4632 * loop.c (loop_optimize): Move call to init_alias_analysis.
4633 * recog.c (validate_replace_src): New function.
4634 * toplev.c (gcse_dump): New global variable.
4635 (flag_gcse, gcse_time): Likewise.
4636 (compile_file): Initialize gcse_time and clean out the gcse dump
4638 (rest_of_compilation): Call gcse_main as requested. Dump RTL
4639 after gcse if requested.
4640 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
4642 * gcc.texi: Add gcse related internal documentation.
4643 * invoke.texi: Note new command line options for gcse.
4644 * tm.texi: Document AVOID_CCMODE_COPIES.
4645 * mips.h (AVOID_CCMODE_COPIES): Define.
4647 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
4649 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
4651 (stmp-fixproto): Simlarly for running fixproto.
4652 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
4654 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
4656 * config/mips/mips.c (double_memory_operand): Accept any MEM during
4657 reload when TARGET_64BIT.
4659 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
4661 Finish incomplete change started by Kenner.
4662 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
4663 (powerpcle-*-cygwin32): Delete xm_defines.
4664 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
4665 HAVE_STAB_H instead of NO_STAB_H.
4666 * config/xm-linux.h (NO_STAB_H): Delete.
4667 (HAVE_STAB_H): Undefine.
4668 * config/i386/xm-go32.h (NO_STAB_H): Delete.
4670 1998-05-19 Jim Wilson <wilson@cygnus.com>
4672 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
4673 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
4675 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
4677 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
4679 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4681 * reload1.c (reload_reg_free_for_value_p): New function.
4682 (allocate_reload_reg, choose_reload_regs): Use it.
4684 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
4686 * except.c (expand_start_catch): Correct logic for when to
4687 generate a new handler label, and when to use the old one.
4689 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4691 * Makefile.in (print-rtl.o): Depend on bitmap.h.
4692 (dbxout.o): Depend on toplev.h.
4693 ($(SCHED_PREFIX)sched.o): Likewise.
4694 ($(out_object_file)): Likewise for system.h and toplev.h.
4695 (cppmain.o): Depend on gansidecl.h.
4696 (cpplib.o): Likewise.
4697 (cpperror.o): Likewise.
4698 (cppexp.o): Likewise.
4699 (cpphash.o): Likewise.
4700 (cppalloc.o): Likewise.
4701 (fix-header.o): Depend on cpplib.h and cpphash.h.
4702 (scan-decls.o): Depend on gansidecl.h.
4704 * basic-block.h (free_regset_vector): Add prototype.
4706 * cccp.c (check_precompiled): Mark parameter `fname' with
4708 (do_assert): Likewise for `op' and `keyword'.
4709 (do_unassert): Likewise.
4710 (do_line): Likewise for `keyword'.
4711 (do_error): Likewise for `op' and `keyword'.
4712 (do_warning): Likewise.
4713 (do_ident): Likewise for `keyword'.
4714 (do_pragma): Likewise for `limit', `op' and `keyword'.
4715 (do_sccs): Likewise.
4716 (do_if): Likewise for `keyword'.
4717 (do_elif): Likewise.
4718 (do_else): Likewise.
4719 (do_endif): Likewise.
4721 * collect2.c (getenv): Remove redundant prototype.
4722 (collect_exit, collect_execute, dump_file): Likewise.
4723 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
4724 (dump_prefix_list): Hide prototype and definition.
4726 * sparc.c: Include toplev.h.
4727 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
4728 (symbolic_memory_operand): Likewise.
4729 (sp64_medium_pic_operand): Likewise.
4730 (data_segment_operand): Likewise.
4731 (text_segment_operand): Likewise.
4732 (splittable_symbolic_memory_operand): Likewise.
4733 (splittable_immediate_memory_operand): Likewise.
4734 (eq_or_neq): Likewise.
4735 (normal_comp_operator): Likewise.
4736 (noov_compare_op): Likewise.
4737 (v9_regcmp_op): Likewise.
4738 (v8plus_regcmp_op): Likewise.
4739 (extend_op): Likewise.
4740 (cc_arithop): Likewise.
4741 (cc_arithopn): Likewise.
4742 (small_int): Likewise.
4743 (uns_small_int): Likewise.
4744 (clobbered_register): Likewise.
4745 (legitimize_pic_address): Likewise.
4746 (delay_operand): Likewise.
4747 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
4749 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
4750 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
4752 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
4754 * cppalloc.c: Include gansidecl.h.
4756 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
4757 (cpp_file_line_for_message): Mark parameter `pfile' with
4759 (v_cpp_message): New function.
4760 (cpp_message): Use it. Also convert to variable arguments.
4761 (cpp_fatal): Likewise.
4762 (cpp_pfatal_with_name): Constify parameter `name'.
4764 * cppexp.c: Move gansidecl.h before cpplib.h.
4765 * cpphash.c: Likewise.
4766 * cpphash.h (hashf, delete_macro): Add prototypes.
4768 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
4769 cpplib.h. Don't include errno.h.
4770 (update_path): Add arguments to prototype.
4771 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
4772 cpp_print_containing_files): Remove redundant prototypes.
4773 (cpp_hash_cleanup, add_import, append_include_chain,
4774 make_assertion, path_include, initialize_builtins,
4775 initialize_char_syntax, finclude, validate_else, comp_def_part,
4776 lookup_import, redundant_include_p, is_system_include,
4777 read_name_map, read_filename_string, open_include_file,
4778 check_macro_name, compare_defs, compare_token_lists,
4779 eval_if_expression, change_newlines): Add prototype arguments.
4780 (hashf): Remove redundant prototype.
4781 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
4782 conditional_skip, skip_if_group): Add prototype arguments.
4783 (fdopen): Remove redundant prototype.
4784 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
4785 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
4786 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
4787 (struct directive): Add prototype arguments to function pointer
4789 (handle_directive): Add missing arguments to call to `do_line'.
4790 (do_include): Mark parameters `unused1' and `unused2' with
4792 (do_line): Likewise for `keyword' and new parameters `unused1' and
4794 (do_error): Likewise for `keyword'.
4795 (do_warning): Likewise. Also add missing argument `pfile' in call
4797 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
4799 (do_ident): Likewise for `keyword', `buf' and `limit'.
4800 (do_pragma): Likewise. Also add missing arguments in call to do_once.
4801 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
4803 (do_if): Likewise for `keyword'.
4804 (do_elif): Likewise.
4805 (eval_if_expression): Likewise for `buf' and `length'.
4806 (do_xifdef): Likewise for `unused1' and `unused2'.
4807 (do_else): Likewise for `keyword', `buf' and `limit'.
4808 (do_endif): Likewise.
4809 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
4810 (cpp_handle_options): Remove superfluous NULL argument in call to
4812 (cpp_handle_options): Likewise.
4813 (do_assert): Mark parameter `keyword', `buf' and `limit' with
4815 (do_unassert): Likewise.
4816 (cpp_print_file_and_line): Add missing argument `pfile' in call to
4817 cpp_file_line_for_message.
4818 (v_cpp_error): New function.
4819 (cpp_error): Use it. Also accept variable arguments.
4820 (v_cpp_warning): New function.
4821 (cpp_warning): Use it. Also accept variable arguments.
4822 (cpp_pedwarn): Accept variable arguments.
4823 (v_cpp_error_with_line): New function
4824 (cpp_error_with_line): Use it. Accept variable arguments.
4825 (v_cpp_warning_with_line): New function.
4826 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
4828 (cpp_pedwarn_with_line): Accept variable arguments.
4829 (cpp_pedwarn_with_file_and_line): Likewise.
4830 (cpp_error_from_errno): Constify parameter `name'. Add missing
4831 argument `pfile' in call to cpp_file_line_for_message.
4832 (cpp_perror_with_name): Constify parameter `name'.
4834 * cpplib.h: Define PARAMS() in terms of PROTO().
4835 (fatal): Remove redundant prototype.
4836 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
4837 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
4838 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
4839 cpp_fatal, cpp_message, cpp_pfatal_with_name,
4840 cpp_file_line_for_message, cpp_print_containing_files): Add
4841 arguments to prototypes.
4842 (scan_decls, cpp_finish): Add prototypes.
4844 * cppmain.c: Include gansidecl.h.
4845 (main): Remove unused variable `i'.
4847 * dbxout.c: Include toplev.h.
4849 * demangle.h (do_tlink, collect_execute, collect_exit,
4850 collect_wait, dump_file, file_exists): Add prototype.
4852 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
4853 prototype and definition.
4854 (gen_unspecified_parameters_die): Don't assign results of call to
4855 function new_die() to unused variable `parm_die'.
4856 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
4857 (dwarf2out_define): Likewise for `lineno' and `buffer'.
4859 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
4860 prototype and definition.
4861 (output_die): Add prototype arguments to function pointer arg.
4862 (output_unspecified_parameters_die): Mark parameter `arg' with
4865 * except.c (output_exception_table_entry): Remove unused variable
4868 * except.h (expand_fixup_region_start, expand_fixup_region_end):
4871 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
4873 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
4875 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
4876 before cpplib.h, include cpphash.h, remove redundant prototype of
4877 cpp_fatal, don't define `const', add a prototype for `fatal'.
4878 (cpp_file_line_for_message): Add missing arguments `pfile'.
4879 (v_cpp_message): New function.
4880 (cpp_message): Use it.
4881 (v_fatal): New function.
4882 (fatal, cpp_fatal): Use it.
4883 (cpp_pfatal_with_name): Constify parameter `name'.
4885 * flow.c (free_regset_vector): Remove redundant prototype.
4887 * function.c (round_down): Wrap prototype and definition with
4888 macro ARGS_GROW_DOWNWARD.
4889 (record_insns): Wrap prototype and definition with
4890 defined (HAVE_prologue) || defined (HAVE_epilogue).
4892 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
4894 * gen-protos.c: Include gansidecl.h.
4895 (hashf): Don't make it static, constify parameter `name'.
4897 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
4898 specifier %s in calls to function `fatal'.
4900 * haifa-sched.c: Include toplev.h.
4901 (find_rgns): Remove unused variable `j'.
4903 * integrate.c (note_modified_parmregs): Mark parameter `x' with
4905 (mark_stores): Likewise.
4907 * jump.c (mark_modified_reg): Likewise.
4909 * output.h (insn_current_reference_address): Add prototype.
4910 (eh_frame_section): Likewise.
4912 * print-rtl.c: Include bitmap.h.
4914 * reload1.c (reload): Wrap variables `note' and `next' in macro
4915 PRESERVE_DEATH_INFO_REGNO_P.
4916 (forget_old_reloads_1): Mark parameter `ignored' with
4918 (choose_reload_regs): Remove unused variable `in'.
4919 (reload_cse_invalidate_mem): Mark parameter `ignore' with
4921 (reload_cse_check_clobber): Likewise.
4923 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
4924 (mark_elimination): Fix typo in prototype.
4926 * scan-decls.c: Include gansidecl.h.
4928 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
4930 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
4932 * function.c (identify_blocks): Fix thinko when setting the
4933 block number for NOTE_INSN_BLOCK_END.
4935 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
4937 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
4940 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
4941 underscores for the prefixes to the names of the maths functions.
4943 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
4944 comment explaining why.
4946 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
4948 * tree.h (TYPE_SIZE_UNIT): New.
4949 (struct tree_type): Add size_unit member.
4950 * stor-layout.c (layout_type): Initialize it.
4951 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
4952 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
4954 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
4956 * stor-layout.c (layout_record): Fix off-by-one error when checking
4957 length of the TYPE_BINFO vector.
4959 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
4961 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
4962 function parameter passed in memory.
4964 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
4966 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
4967 Prototypes for externally used functions in respective C files.
4968 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
4969 final.c: Include above files.
4970 * Makefile.in (toplev.o): Add dependency for above four headers.
4971 (final.o): Likewise.
4972 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
4973 respective header files.
4975 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
4977 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
4978 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
4979 the build tree if they exist.
4980 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
4982 (objdir): Let configure substitute value.
4983 (FLOAT_H): Let configure select a pre-built version from the
4985 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
4986 * configure.in: Substitute for objdir.
4988 * Makefile.in (build_canonical, host_canonical): Let configure
4989 substitute values for these variables.
4990 * configure.in: Substitute for build_canonical, host_canonical
4991 and target_subdir in generated Makefile.
4993 * output.h (find_basic_blocks): Declare.
4994 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
4996 * Makefile.in (BISON): Use bison from the build tree if it exists.
4999 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
5001 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
5002 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
5003 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
5004 command line arguments to see if an executable is not being
5005 created, and if so - do not append the suffix.
5007 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
5010 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
5012 * i386.h (ALIGN_DFmode): Delete.
5013 (CONSTANT_ALIGNMENT): Define.
5014 * varasm.c (force_const_mem): Use it.
5016 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
5018 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
5019 using it with swap_condition, not before.
5021 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
5023 * alias.c (mode_alias_check): Delete.
5024 (true_dependence, anti_dependence, output_dependence): Revert April 21
5027 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
5029 * toplev.c (output_lang_identify): Enable prototype and definition.
5031 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
5033 * version.c: Bump for snapshot.
5035 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
5037 * alpha/osf.h (HAVE_STAMP_H): Define.
5039 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
5040 * configure.in (alpha*-*-netbsd*): New.
5041 Based on patches from Paul H. Anderson <pha@pdq.com>.
5043 * configure.in (alpha*-*-linux-*): Kill xm_defines.
5044 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
5045 * alpha/xm-linux.h: Remove file.
5047 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
5049 * dbxout.c (dbxout_parms): If mode of type of parameter living
5050 in memory doesn't match mode of DECL_RTL, make big endian correction.
5052 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
5054 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
5056 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
5058 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
5059 * stor-layout.c (layout_record): Set it.
5061 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
5063 * toplev.c (rest_of_compilation): Don't defer nested functions.
5065 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
5067 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
5068 to an 8-byte boundary if info_ptr->fpmem_p.
5070 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
5072 * loop.c (basic_induction_var): Added test preventing
5073 CCmode parameter passed to convert_modes().
5075 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5077 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
5078 input_filename and lineno around expand_expr call. Set them to values
5079 in WFL before expand_expr call.
5081 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
5083 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
5085 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
5087 * fold-const.c (constant_boolean_node): New function.
5090 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5092 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
5093 Abort if trying to split kind 3 or 4 outside of combine.
5095 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
5097 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
5099 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
5101 * objc/Make-lang.in (OBJC_O): Add missing exeext.
5102 (libobjc.a, runtime-info.h): Likewise.
5104 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
5106 * i386.h (DATA_ALIGNMENT): Define.
5108 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5110 * reload1.c (delete_output_reload): Ignore single USE that
5111 was emitted for the pseudo use of this INSN.
5112 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
5113 remains, we can always delete OUTPUT_RELOAD_INSN.
5115 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
5117 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
5119 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
5121 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
5123 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5125 * eh-common.h: New file for basic EH data structures.
5126 * except.h: Various prototypes and structures for NEW_EH_MODEL
5127 * function.h (struct function): Add a struct eh_stack for the catch
5129 * except.c (gen_exception_label): New function to generate an
5131 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
5132 (push_entry): New function to push an existing entry onto a stack.
5133 (receive_exception_label): New function to emit the code required
5134 at the start of all catch blocks.
5135 (struct func_eh_entry): New structure for maintaining handlers
5136 associated with EH regions.
5137 (new_eh_region_entry): New function to register an EH region.
5138 (add_new_handler): New function to register a handler with a region.
5139 (get_new_handler): Creates anew handler entry for registering.
5140 (find_func_region): New function to convert a NOTE eh region number
5141 to an Eh region index.
5142 (get_first_handler): New function to get the first handler in a region.
5143 (clear_function_eh_region): New function to release memory.
5144 (duplicate_handlers): New function to duplicate a list of handlers.
5145 (expand_eh_region_end): Create a new region entry node as well.
5146 (expand_leftover_cleanups): Call receive_exception_label() and
5147 register the cleanup as a handler to the current region.
5148 (expand_start_catch): New function to start a catch clause.
5149 (expand_end_catch): New function to end a catch clause.
5150 (expand_start_all_catch): restructure to not do the equivilent of
5151 what expand_start_catch() does now. Push the exception region being
5152 handled onto the catch stack.
5153 (output_exception_table_entry): Issue an entry for each handler
5154 associated with a region.
5155 (set_exception_lang_code): New function for setting the language code.
5156 (set_exception_version_code): New function to set the version number.
5157 (output_exception_table): Output version and language codes.
5158 (find_exception_handler_labels): Find handler labels using new scheme.
5159 (is_exception_handler_label): New function, returns 1 if label is
5160 present as a handler in some exception region.
5161 (check_exception_handler_labels): Use the new scheme.
5162 (init_eh_for_function): Initialize the catch stack.
5163 (save_eh_status): Save the catch stack.
5164 (restore_eh_status): Restore the catch stack.
5165 (scan_region): Don't remove unreferenced handler label. Flow does it.
5166 (get_reg_for_handler): New function to get the eh_context pointer
5168 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
5169 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
5170 entry when processing END region rather that START region.
5171 * flow.c (find_basic_blocks_1): Find all potential handler regions
5172 now that we don't automatically know what the labels might be.
5173 Let scan_region() remove unreferenced EH BEGIN/END labels.
5174 * integrate.c (get_label_from_map): Put inlined labels onto the
5175 permanent obstack since we dont know which ones might be exception
5177 (save_for_inline_copying): Make new copies of all the handlers.
5178 (expand_inline_function): Make new copies of all the handlers.
5179 * libgcc2.c: Remove local struct decls, and include eh-common.h.
5180 (find_exception_handler): With NEW_EH_MODEL the first matching
5181 region we find is the right one. Add eh_info as a new parameter.
5182 (__throw): Pass eh_info to find_exception_handler. Set handler
5183 and pass use different regs under NEW_EH_MODEL.
5185 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
5187 * i960.h (hard_regno_mode_ok): Changed to function from array of
5189 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
5190 * i960.c (hard_regno_mode_ok): Changed to function from array of
5193 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5195 * reload.c (remove_replacements): New function.
5196 * reload.h (remove_replacements): Declare.
5197 * reload1.c (choose_reload_regs): Disable some reloads that
5198 belong to inherited reloads.
5200 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5202 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
5204 * reload1.c (merge_assigned_reloads): When merging, reset
5205 reload_spill_index for the eliminated reload.
5207 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
5209 * haifa-sched.c (schedule_insns): Fix merge goof.
5211 1998-05-13 Jim Wilson <wilson@cygnus.com>
5213 * varasm.c (make_decl_rtl): Revert April 1 change.
5214 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
5215 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
5216 Get function name from the SYMBOL_REF in the DECL_RTL, not from
5217 DECL_ASSEMBLER_NAME.
5218 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
5219 DECL_ASSEMBLER_NAME.
5221 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
5223 * i386.c (notice_update_cc, output_float_compare): Disable
5224 TARGET_CMOVE support.
5226 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
5227 Jeff Law <law@cygnus.com>
5229 * rtlanal.c (find_reg_note): Ignore notes that are not on on
5231 (find_regno_note): Likewise.
5233 * Makefile.in (stor-layout.o): Depend on except.h
5234 (varasm.o, function.o): Likewise.
5235 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
5237 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
5238 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
5239 ($(HOST_PREFIX_1)rtl.o): Likewise.
5240 ($(HOST_PREFIX_1)bitmap.o): New host object.
5241 * emit-rtl.c (toplevel): Include bitmap.h.
5242 (gen_rtx): Handle 't' and 'b' nodes.
5243 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
5244 Print block number for block begin/end notes. Print 't' type
5245 nodes as a pointer. Know that the 3rd argument of live range
5246 start/stop notes is really a range_info rtx. If type is 'b', print
5247 out argument as a bitmap.
5248 * rtl.c: Include bitmap.c.
5249 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
5250 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
5251 * rtl.def (RANGE_LIVE): New node to hold live information while we
5252 recalculate the basic blocks.
5253 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
5254 (RANGE_VAR): New node, to hold information saved in symbol node for New
5255 communicating live range information to the debug output functions.
5256 * rtl.h (rtunion_def): Add rttree and rtbit fields.
5257 (XBITMAP, XTREE): New accessor macros.
5258 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
5259 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
5260 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
5261 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
5262 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
5263 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
5264 (RANGE_INFO_*): Likewise.
5265 * sched.c (sched_analyze): Keep live range start/stop notes.
5266 (unlink_other_notes): Likewise.
5267 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
5268 (unlink_other_notes): Likewise.
5269 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
5270 (BLOCK_LIVE_RANGE_FLAG): Likewise.
5271 (DECL_LIVE_RANGE_RTL): Likewise.
5272 (struct tree_block): Add live_range_flag, live_range_var_flag,
5273 live_range_start and live_range_end.
5274 (struct tree_decl): Add live_range_rtl field.
5275 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
5276 (accessor_from_format): Likewise.
5278 * haifa-sched.c (schedule_block): Make verbose output line up.
5279 Also add a blank line in printing the individual ready lists.
5281 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5283 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
5284 (c-lex.o): Depend on output.h.
5285 (c-common.o): Likewise.
5287 (calls.o): Likewise.
5288 (integrate.o): Depend on toplev.h.
5289 (regclass.o): Depend on output.h.
5290 (final.o): Depend on reload.h.
5292 * c-common.c: Include output.h.
5293 (check_format_info): Remove unused variable `integral_format'.
5295 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
5296 `indent' with ATTRIBUTE_UNUSED.
5297 (print_lang_type): Likewise.
5298 (maybe_build_cleanup): Likewise for parameter `decl'.
5299 (copy_lang_decl): Likewise for parameter `node'.
5301 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
5302 (lang_print_xnode): Mark parameters `file', `node' and `indent'
5303 with ATTRIBUTE_UNUSED.
5304 (lookup_interface): Likewise for parameter `arg'.
5305 (is_class_name): Likewise.
5306 (maybe_objc_check_decl): Likewise for parameter `decl'.
5307 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
5309 (maybe_objc_method_name): Likewise for parameter `decl'.
5310 (build_objc_string): Likewise for parameters `len' and `str'.
5312 * c-lex.c: Include output.h.
5314 * c-lex.h (position_after_white_space): Correct typo in prototype.
5316 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
5317 c_expand_end_cond, init_iterators): Add prototypes.
5319 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
5320 with ATTRIBUTE_UNUSED.
5322 * calls.c: Include output.h.
5324 * cccp.c (pipe_closed): Mark parameter `signo' with
5327 * combine.c: Move inclusion of expr.h to after insn-config.h.
5329 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
5330 as empty, rather define as ((void)0).
5332 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
5333 Add parentheses around assignment used as truth value.
5335 * cplus-dem.c (squangle_mop_up): Change return type to void.
5336 (internal_cplus_demangle): Remove unused parameter `options'.
5337 All callers changed.
5338 (cplus_demangle_opname): Remove function wide variable `int i' and
5339 replace with `size_t i' at each location where it is used.
5340 (cplus_demangle_opname): change type of `i' from int to size_t.
5342 * cppexp.c (right_shift): Mark parameter `pfile' with
5345 * cpphash.c (cpp_lookup): Likewise.
5346 (cpp_hash_cleanup): Likewise.
5348 * cpplib.c (parse_name): Add a prototype and make it static.
5349 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5350 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
5351 (macro_cleanup): Likewise for parameter `pfile'.
5352 (file_cleanup): Likewise.
5354 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
5355 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
5357 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
5358 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
5360 * cse.c (cse_check_loop_start): Mark parameter `set' with
5363 * dbxout.c (flag_minimal_debug, have_used_extensions,
5364 source_label_number): Move inside macro wrapper check against
5365 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
5367 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
5369 * except.h (doing_eh): Provide prototype.
5371 * expr.c: Move inclusion of expr.h to after insn-config.h.
5373 * final.c: Include reload.h.
5374 (shorten_branches): Cast the first argument of bzero to char *.
5376 * fix-header.c (cpp_print_containing_files): Mark parameter
5377 `pfile' with ATTRIBUTE_UNUSED.
5378 (cpp_fatal): Likewise.
5380 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
5383 * genattrtab.c (make_length_attrs): Change the type of variable
5384 `i' from int to size_t.
5385 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
5388 * genextract.c (main): When generating insn-extract.c, mark
5389 variable `junk' with ATTRIBUTE_UNUSED.
5391 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
5392 argument of bzero to char*.
5394 * integrate.c: Include toplev.h.
5396 * libgcc2.c: Wrap `struct exception_table' and
5397 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
5399 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
5401 * objc/objc-act.c: Include toplev.h.
5402 (lang_print_xnode): Mark parameters `file', `node' and `indent'
5403 with ATTRIBUTE_UNUSED.
5404 (finish_protocol): Likewise for parameter `protocol'.
5406 * output.h (declare_weak): Add prototype.
5407 (decode_reg_name): Don't wrap with TREE_CODE macro.
5408 (assemble_alias): Add prototype.
5410 * regclass.c: Include output.h.
5412 * reload.h (reloads_conflict): Add prototype.
5414 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
5415 output_func_start_profiler): Add prototypes.
5417 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
5420 * scan-decls.c: Include scan.h.
5422 * scan.h (recognized_function, recognized_extern): Add prototypes.
5424 * stmt.c: Include output.h.
5426 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
5427 (output_lang_identify): Hide prototype and definition.
5428 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
5429 (pipe_closed): Likewise.
5431 * toplev.h (count_error, strip_off_ending, error_for_asm,
5432 warning_for_asm): Add prototypes.
5434 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
5436 * toplev.c (rest_of_compilation): "Charge" final for any time
5437 doing various cleanup operations after finishing compilation
5440 * flow.c (dump_flow_info): Also print number of sets and
5441 whether or not the pseudo is a user variable.
5443 * flow.c (reg_n_max): New global variable.
5444 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
5445 Delete regno_max variable.
5446 * regs.h (REG_N_CHECK): Define.
5447 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
5448 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
5449 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
5451 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
5453 * acconfig.h (ENABLE_CHECKING): Undefine.
5454 * configure.in (--enable-checking): New option.
5456 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5458 * reload1.c (merge_assigned_reloads): Can merge
5459 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
5460 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
5462 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
5464 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
5466 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5468 * reload1.c (gen_reload): Create REG_EQUIV notes.
5470 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5472 * reload1.c (reload): Fix check for USEs to use code of pattern.
5473 (choose_reload_regs): Remove dead variable use_insn.
5475 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
5477 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
5479 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
5481 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
5483 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
5484 (insn_{unit,issue_delay}): Ditto.
5485 (blockage_range): Ditto.
5486 (actual_hazard{,_this_instance}): Ditto.
5487 (schedule_unit): Ditto.
5488 (potential_hazard): Ditto.
5491 (queue_insn): Ditto.
5492 (birthing_insn_p): Ditto.
5493 (adjust_priority): Ditto.
5494 (get_block_head_tail): Ditto.
5495 (init_rgn_data_dependences): Ditto.
5497 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
5499 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
5501 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
5503 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
5505 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
5507 * config/mips/mips.md (dslot): Move after definition of "cpu"
5508 attribute. Handle r3900 case.
5510 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5512 * system.h: Define the STRINGIFY macro here.
5513 * protoize.c: Not here.
5514 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
5516 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
5518 * varasm.c (assemble_variable): Compute the alignment of the data
5519 earlier so that both initialized and uninitialized variables are
5520 effected by DATA_ALIGNMENT.
5521 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
5523 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
5525 * mips.c: Prototype static functions.
5527 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
5529 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
5530 Add explanatory comments.
5532 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
5534 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
5536 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
5538 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
5540 * varasm.c (make_decl_rtl): Disable April 1 change.
5542 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
5544 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
5546 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
5548 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
5549 * alpha.c (print_operand): Handle it.
5550 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
5551 related define_splits. Also add peepholes for SImode reload
5552 plus sign_extend lossage.
5554 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5556 * genattr.c: Include stdarg.h/varargs.h. Change function
5557 `fatal' to use variable arguments instead of faking it with
5558 integer parameters. Provide a prototype which also
5559 checks the format specifiers using ATTRIBUTE_PRINTF_1.
5561 * genattrtab.c: Likewise.
5562 * gencodes.c: Likewise.
5563 * genconfig.c: Likewise.
5564 * genemit.c: Likewise.
5565 * genextract.c: Likewise.
5566 * genflags.c: Likewise.
5567 * genopinit.c: Likewise.
5568 * genpeep.c: Likewise.
5569 * genrecog.c: Likewise.
5570 * genoutput.c: Likewise. Similarly for function `error'.
5572 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5574 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
5575 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
5576 * configure.in: Use GCC_C_VOLATILE.
5577 * system.h (volatile): Define as empty if no volatile support is
5580 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
5582 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
5585 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
5587 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
5588 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
5589 the body of beq; additionally set the mode of the branch to CCmode for
5590 FP compares and not fast_math.
5591 (alpha_emit_conditional_move): Always use a compare insn for FP
5592 when not fast_math, as well as setting CCmode on the cmov.
5593 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
5595 * machmode.h (COMPLEX_MODE_P): New macro.
5597 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
5599 * haifa-sched.c (print_exp): Fix typo.
5601 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
5603 * version.c: Bump for snapshot.
5605 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
5607 * final.c (final_scan_insn): Call fatal_insn instead of abort if
5608 we could not split an insn when required to.
5610 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
5612 (peepholes): Disable peepholes that call dead_or_set_p.
5613 (movsi): Rewrite to handle addresses better after last change.
5614 Add define_split to split load of addresses in large/medium modes.
5615 (prologue): Call m32r_expand_prologue.
5616 (movsi_{push,pop}): Generators for push/pop.
5617 (movsi): Support PRE_{INC,DEC}, POST_INC.
5618 (mov{di,df}): Rewrite. Always split the insns.
5619 (movsf): Add define_split to get register load in correct mode.
5620 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
5621 (attributes): Rewrite attributes so that type indicates both the
5622 type and the length of the insn directly.
5623 (all insns): Change to use new type attributes.
5624 (debug): New attribute to convey whether -mdebug was used.
5625 (opt_space): New attribute to convey whether -Os was used.
5626 (function units): Loads are 3 cycles, not 2. Better classify all
5627 insns into short/long.
5628 (load/store/extend insns): Add separate case for load/store
5629 indirect operations without an offset.
5630 (divsi3): Division is a long operation, not short.
5632 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
5634 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
5635 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
5636 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
5637 operands with PRE_{INC,DEC}, POST_INC.
5638 (FUNCTION_PROFILER): Call abort instead of doing nothing.
5639 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
5641 (gen_split_move_double): Declare.
5642 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
5644 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
5645 emit_move_insn, build up SET's directly.
5646 (toplevel): Include system.h, not stdio.h.
5647 (move_double_src_operand): Allow any DF or DI mode constant.
5648 (gen_split_move_double): Split moves of DI or DF values into the
5649 appropriate moves, loads, or stores. Don't handle use of auto
5650 inc/dec if using dead index. Do handle overlapping moves, etc.
5651 (m32r_frame_info): Remove prologue_size field.
5652 (m32r_compute_frame_size): Don't calculate prologue size.
5653 (m32r_output_function_prologue): Change to pretty much a NOP.
5654 (m32r_expand_prologue): Expand prologue as a series of INSNs.
5655 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
5656 (m32r_print_operand_address): Ditto.
5658 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
5660 * reload1.c (emit_reload_insns): When performing expensive
5661 optimizations, do not output the last reload insn if OLD is
5662 not the dest of NSN and is in the src and is clobbered by INSN.
5664 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5666 * Makefile.in (genrtl.o): Depend on system.h.
5667 * gengenrtl.c (gencode): When creating genrtl.c, have it
5670 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5672 * config/m68k/t-linux: Remove extra stuff already included in
5675 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
5677 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
5678 curses.h if it contains `typedef char bool;', as suggested by
5679 Manfred Hollstein <manfred@s-direktnet.de>.
5681 * configure.in: Rename fixinc.math to fixinc.wrap.
5683 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
5685 * gcc.c (read_specs): Handle missing blank line at end of specs file.
5687 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
5688 movdfcc_1): Disable.
5690 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
5692 * configure.in (enable_threads): Rename to enable_threads_flag before
5693 main loop. Set enable_threads to enable_threads_flag inside main
5696 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
5698 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
5701 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5703 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
5705 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
5706 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
5707 (AC_CHECK_FUNCS): Remove unused check for vprintf.
5709 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
5710 (cccp.o): Depend on gansidecl.h.
5713 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
5714 per the rest of gcc source.
5715 * cexp.y: Likewise. Include gansidecl.h and remove all code made
5718 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
5719 used when vfprintf is missing.
5722 * genattrtab.c: Likewise.
5723 * mips-tfile.c: Likewise.
5724 * toplev.c: Likewise.
5726 * vfprintf.c: New file.
5727 * doprint.c: New file.
5729 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
5731 * config/linux.h (ASM_COMMENT_START): Remove from here,
5732 * config/linux-aout.h (ASM_COMMENT_START): and here,
5733 * config/i386/linux.h (ASM_COMMENT_START): to here,
5734 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
5735 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
5738 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5740 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
5743 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
5745 * Makefile.in (dwarfout.o) Add toplev.h dependency.
5746 * dwarfout.c, i386.c: Include toplev.h
5747 * toplev.h: (pfatal_with_name) Add prototype.
5749 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
5751 * Makefile.in: Fix .SUFFIXES.
5753 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
5755 * config/linux.h (ASM_COMMENT_START): Define as "#".
5756 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
5758 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
5760 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
5761 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5763 * toplev.c: Include toplev.h.
5764 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
5765 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
5766 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
5767 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
5768 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
5769 toplev.h dependency.
5771 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
5772 HARD_FRAME_POINTER_REGNUM.
5774 * expr.c (target_temp_slot_level): Delete duplicate definition.
5776 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
5778 * stmt.c (mark_seen_cases): Make it have external linkage again.
5779 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
5782 * haifa-sched.c (print_value, case SUBREG): Fix typo.
5784 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
5785 * i386.h (REG_CLASS_CONTENTS): Similarly.
5787 * toplev.c (-fsched-max): Delete flag.
5788 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
5789 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
5790 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
5793 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
5794 inner loops which are not reducible.
5796 * loop.c (regs_match_p): Fix typo in prototype.
5798 * regmove.c (try_auto_increment): Wrap declaration inside an
5799 #ifdef AUTO_INC_DEC.
5801 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
5803 * final.c (output_operand_lossage): Call fatal with the operand
5804 lossage message instead of calling abort.
5806 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5808 * c-common.c: Convert to using ctype macros defined in system.h.
5809 * c-lex.c: Likewise.
5811 * collect2.c: Likewise.
5812 * rs6000.c: Likewise.
5813 * cpplib.c: Likewise.
5814 * fix-header.c: Likewise.
5816 * gen-protos.c: Likewise.
5817 * pexecute.c: Likewise.
5818 * protoize.c: Likewise.
5822 * tlink.c: Likewise.
5823 * toplev.c: Likewise.
5825 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
5827 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
5828 Replace -gdwarf-2 with -g0.
5830 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5832 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
5833 * mips-tdump.c: Include system.h, remove redundant headers.
5834 * mips-tfile.c: Likewise. Also, convert all ctype function calls
5835 to calls of the macro versions defined in system.h.
5837 * objc/Make-lang.in (objc-act.o): Depend on system.h.
5838 * objc/objc-act.c: Include system.h, remove redundant headers.
5840 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5842 * configure.in (AC_CHECK_FUNCS): Add isascii.
5843 (GCC_NEED_DECLARATIONS): Add atof.
5845 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
5846 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
5848 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5850 * system.h: Wrap time.h and sys/file.h in autoconf checks.
5851 Provide default definitions for O_RDONLY and O_WRONLY here.
5853 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
5855 1998-05-06 Mark Mitchell <mmitchell@usa.net>
5857 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
5859 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
5861 * toplev.h: New file. Protypes for functions in toplev.c.
5862 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
5863 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
5864 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
5865 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
5866 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
5867 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
5868 varasm.c: include it.
5870 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
5871 Jim Wilson (wilson@cygnus.com)
5873 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
5874 blocks. Check for 1 successor which is the EXIT_BLOCK.
5876 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
5877 unreachable loops with more than one block.
5879 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
5881 * fix-header.c (write_rbrac): Add "abort" to functions which need to
5884 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
5886 * Check in merge from gcc2. See ChangeLog.12 for details.
5888 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
5890 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
5891 accept 'a' flag. 'S' does accept 'a' flag.
5892 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
5895 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
5897 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5899 * config/m68k/m68k.h: Declare functions from m68k.c used in
5900 macros and machine description.
5901 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
5903 (ASM_OUTPUT_FLOAT): Likewise.
5904 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
5906 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5908 * tree.def: Add NAMESPACE_DECL.
5909 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
5910 * dwarf2out.c (push_decl_scope): Likewise.
5911 (scope_die_for): Likewise.
5912 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
5913 how to get next context level.
5915 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
5917 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
5920 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
5922 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
5924 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
5925 for any insns skipped at the start of a block because they were
5928 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
5930 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
5932 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
5934 * c-common.c (format_char_info): Add new field hhlen.
5935 (print_char_table, scan_char_table, time_char_table): Initialize
5936 hhlen field appropriately.
5937 (char_format_info): Recognize hh modifier and lookup correct char
5940 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
5942 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
5943 reference if this is a store.
5945 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
5947 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
5949 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
5951 Make UnixWare 7 bootstrap support work with final shipping product.
5952 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
5953 Pick up xm-siglist and xm-alloca.
5954 (xm_defines): Add USG so dbxout will build.
5955 * configure: Regenerate.
5957 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
5959 Support for official Sparc V9 ABI:
5960 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
5961 Care for flag_pcc_struct_return default.
5962 (output_move_quad): Rewrite to move by halves on v9 and in the
5964 (move_quad_direction): New function.
5965 (output_fp_move_quad): Use it to determine the direction of copy.
5966 (function_arg_slotno): Return -1 for FP reg overflow as well.
5967 (function_arg_record_value*): New functions.
5968 (function_arg): Use them. Streamline unprototyped parameter passing.
5969 (function_arg_pass_by_reference): Pass TCmode by reference.
5970 (function_value): New function.
5971 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
5972 long long in 64-bit mode.
5973 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
5974 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
5975 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
5976 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
5977 (BASE_INCOMING_ARG_REG): Likewise.
5978 (FUNCTION_VALUE): Call function_value.
5979 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
5980 * sparc.md (movdi_sp32_v9): Disable for arch64.
5981 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
5982 (call_value_address_sp64): Remove register class constraints.
5983 (call_value_symbolic_sp64): Likewise.
5984 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
5985 v9 case to 32-bit constants.
5986 (goto_handler_and_restore_v9): Provide a version for arch64.
5987 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
5988 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
5989 (CPP_PREDEFINES): New.
5990 * sparc/sp64-elf.h: Likewise.
5991 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
5992 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
5993 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
5995 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
5997 * version.c: Bump for snapshot.
5999 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6001 * reload.c (find_reloads): Emit USEs to mark where a pseudo
6002 is reloaded with the MEM of its stack slot.
6003 * reload1.c (cannot_omit_stores): Delete.
6004 (reload): Don't initialize it.
6005 Don't apply avoid_return_reg logic to USEs.
6006 When done, remove USEs that have a REG_EQUAL note on them.
6007 (emit_reload_insns): Handle case where we have inherited a MEM.
6008 (choose_reload_regs): Likewise.
6009 (delete_output_reload): Don't use cannot_omit_stores.
6011 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
6013 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
6015 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
6017 * haifa-sched.c (print_{exp,value}): Various changes to make the
6018 debug output easier to read. Also, use only one buffer, and make
6019 sure the buffer we are passed in doesn't overflow.
6020 (safe_concat): Concatenate to a buffer without overflow.
6022 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6024 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
6027 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6029 * sched.c (new_insn_dead_notes): Check if the register was
6030 used in the original instruction.
6031 * haifa-sched.c (new_insn_dead_notes): Likewise.
6033 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
6035 * dwarf2out.c (scope_die_for): If could not find proper scope,
6036 check for and handle tagged type with incorrect TYPE_CONTEXT.
6038 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
6040 * calls.c (expand_call): Fix recognition of C++ operator new.
6042 * alias.c (mode_alias_check): Disable type based alias detection.
6044 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
6046 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
6047 ASM_OUTPUT_WEAK_ALIAS): Define.
6048 * config/mips/elf64.h: Same.
6049 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
6050 ASM_WEAKEN_LABEL): Removed.
6052 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6054 * calls.c (expand_call): Bump the length limit on the specially
6055 recognized function names to 17.
6057 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
6059 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
6060 when undefining macros at the end.
6062 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
6063 val or len has TREE_SIDE_EFFECTS set.
6065 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
6066 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
6067 (smuldi3_highpart): Call const v8plus routine.
6068 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
6069 (const_smulsi3_highpart_v8plus): New pattern.
6070 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
6071 (umulsidi3): Call const v8plus routine.
6072 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
6074 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
6075 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
6077 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
6079 * m32r.c (*_oper{and|ator}): Change enum arguments and return
6080 values to int, so they can be prototyped even in files that don't
6082 ({small,large}_insn_p): Ditto.
6083 (m32r_select_cc_mode): Ditto.
6084 (gen_compare): Ditto.
6085 (function_arg_partial_nregs): Ditto.
6086 (m32r_setup_incoming_varargs): Ditto.
6087 (init_reg_tables): Add prototype.
6088 (m32r_frame_info): Add prolog_size field.
6089 (m32r_compute_frame_size): Calculate the size of the prologue.
6090 (m32r_first_insn_address): Return prologue size.
6091 (m32r_output_function_prologue): Calculate frame size before
6092 printing out information. Print out the prologue size.
6094 * m32r.h: Prototype all functions in m32r.c.
6095 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
6097 * m32r.md (bcc functions): Cast enum's to int.
6099 * m32r.c (conditional_move_operand): Silence a debug message.
6100 ({small,long}_insn): New predicates.
6102 * m32r.h (TARGET_M32R): New macro.
6103 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
6104 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
6106 (ISSUE_RATE): Define as 2.
6108 * m32r.md (insn_size): New attribute.
6109 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
6111 (m32r): New attribute.
6113 * configure.in (enable_haifa): Switch m32r to Haifa by default.
6114 * configure: Regenerate.
6116 (Changes from Nick Clifton <nickc@cygnus.com>)
6117 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
6118 the equivalent of a negated 'I' constraint.
6119 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
6120 optimisation to work.
6122 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
6123 than 'I' since the value is negated.
6124 (peephole): Add peephole optimisation to cope with optimization of
6125 divide and subtracts of the same operands.
6127 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
6131 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
6134 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
6136 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
6138 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
6140 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
6141 frame_pointer_rtx not FRAME_POINTER_REGNUM.
6143 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
6145 * reg-stack.c: Revert last patch (Apr 20).
6146 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
6148 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
6150 * loop.c (check_dbra_loop): New locals jump, first_compare, and
6151 compare_and_branch. Call get_condition to set first_compare.
6152 Set compare_and_branch to number of compare/branch instructions.
6153 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
6154 Replace '2' with compare_and_branch.
6156 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6158 * cplus-dem.c (demangle_qualified): Replace missing else.
6160 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6162 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
6164 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6166 * sh.c (sh_expand_prologue, sh_expand_epilogue):
6167 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
6168 * sh.h (STACK_BOUNDARY): Likewise.
6170 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6172 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6174 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
6176 * system.h (abort): If abort is not defined, and neither is
6177 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
6178 reporting the line and filename of the error.
6180 * .gdbinit: Add breakpoints on exit and fancy_abort.
6182 * final.c (split_double): Avoid a compiler warning if
6183 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
6185 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
6186 for calling jump_optimize.
6188 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
6189 macros, rather than 0/1's.
6191 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
6193 * alpha.h (CONST_COSTS): Zero is always free.
6194 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
6196 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6198 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
6199 length in the name of a virtual table.
6201 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
6203 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
6205 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
6207 * version.c: Bump for snapshot.
6209 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
6211 * fold-const.c (fold_convert): Fix typo.
6213 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
6215 * alias.c (alias_invariant): New variable.
6216 (record_base_value): New argument INVARIANT.
6217 (memrefs_conflict_p): If a register has an entry in the alias_invariant
6218 array, try substituting that value for the register.
6220 * rtl.h: Declare record_base_value.
6222 * loop.c, unroll.c: Update callers of record_base_value.
6224 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
6225 ZERO_EXTEND do not affect base values.
6227 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
6229 * dbxout.c (dbxout_type): Fix typo.
6230 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
6232 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
6234 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
6236 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
6237 if the argument is the address of a structure or array.
6239 * configure.in: Enable Haifa scheduler by default for SPARC.
6241 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6243 * cse.c (cse_set_around_loop): Don't do optimization when
6244 new pseudos are created.
6246 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
6248 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
6250 (dbxout_type_method_1, dbxout_type): Likewise.
6251 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
6252 (dbxout_type): Fix check for when to print a type range in
6255 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6257 * (gen_shl_and, in case 1): Fix comparison with mask.
6259 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
6261 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
6262 pointer as second register in REG+REG pair.
6264 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6266 * c-common.c (check_format_info): Don't check for the 'x' format
6267 character twice, instead check for 'x' and 'X'
6269 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
6271 * Makefile.in (libgcc2.ready): Add explicit dependancy from
6272 $(STMP_FIXPROTO) to ensure all necessary include files have
6273 been created and to guarantee proper parallel builds.
6275 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6277 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
6278 register for stdarg functions.
6279 * sh.h (current_function_varargs): Declare.
6280 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
6282 1998-04-23 Jim Wilson <wilson@cygnus.com>
6284 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
6285 inhibit_libc is defined.
6287 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
6289 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
6291 * profile.c (tablejump_entry_p): New function.
6292 (branch_prob): Add code to recognize MIPS tablejump entry branch.
6293 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
6295 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
6297 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
6298 found, rather than at end of the loop, after the insn has been
6301 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6303 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
6304 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
6306 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
6308 * loop.c (note_addr_stored): Correct function to take 2 arguments,
6311 * rtl.def (MATCH_INSN2): Add new matching pattern.
6312 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
6314 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
6316 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
6317 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
6319 * final.c (split_double): Sign extend both halves of a split CONST_INT.
6321 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
6323 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
6325 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6327 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
6328 (cplus_demangle_opname): Call mop_up_squangle.
6329 (cplus_demangle): Initialize squangle info, then call
6330 internal_cplus_demangle. (Most code moved there as well)
6331 (internal_cplus_demangle): New function, performs most of what use
6332 to be done in cplus_demangle, but is only called with this file.
6333 (squangle_mop_up): New function to clean up B and K code data.
6334 (mop_up): set pointers to NULL after freeing.
6335 (demangle_signature, demangle_template, demangle_class): Add
6336 switch elements to handle K and B codes.
6337 (demangle_prefix, gnu_special, demangle_qualified): Add
6338 code to handle K and B codes.
6339 (do_type, demangle_fund_type): Handle B and K codes.
6340 (remember_Ktype): New function to store K info.
6341 (register_Btype, remember_Btype): New functions for B codes.
6342 (forget_B_and_K_types): New function to destroy B and K info.
6344 1998-04-21 Jim Wilson <wilson@cygnus.com>
6346 * stmt.c (check_seenlabel): When search for line number note for
6347 warning, handle case where there is no such note.
6349 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
6351 * genemit.c (gen_exp): Allow machine description to set mode of
6354 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
6356 * alias.c (mode_alias_check): New function.
6357 (true_dependence, anti_dependence, output_dependence): Call
6360 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
6362 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
6363 (MIPS_STACK_ALIGN): Similarly.
6365 * c-common.c (type_for_mode): Handle TI types.
6366 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
6367 (init_decl_processing): Handle TI types.
6368 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
6370 * mips.c (block_move_loop): Test Pmode == DImode instead of
6372 (expand_block_move, save_restore_insns): Likewise.
6373 (function_prologue, mips_expand_prologue): Likewise.
6374 (mips_expand_epilogue): Likewise.
6375 * mips.h (POINTER_SIZE): Allow specific targets to override.
6376 (Pmode): Allow specific targets to override.
6377 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
6378 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
6379 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6380 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
6381 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6382 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
6383 * mips.md (indirect, tablejump & casesi support): Test for
6384 Pmode == DImode instead of TARGET_MIPS64.
6385 (call patterns): Likewise.
6387 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6389 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
6390 for gen_rtx(MEM, ...).
6392 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
6394 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
6395 to not be so gross, and to properly function with PIC.
6397 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
6399 * frame.c (heapsort): Rename to frame_heapsort.
6401 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
6403 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
6405 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
6407 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
6409 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
6410 operands during and after reload.
6412 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6414 * final.c (shorten_branches, init_insn_lengths): Move code
6415 to free label_align, uid_shuid, insn_lengths, insn_addresses
6416 and uid_align from the former function into the latter one;
6417 Add code to clear these variables.
6418 * sh.h (label_align): Remove declaration.
6420 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
6422 * gcc.c (lang_specific_driver): Declare prototype properly so
6423 fatal can be passed to it without error.
6425 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
6426 * configure: Regenerate.
6427 * config.in: Add #undef's for strchr and strrchr.
6429 * protoize.c (toplevel): If we have rindex, but not strrchr, map
6431 (file_could_be_converted): Use strrchr, not rindex since rindex is
6432 not defined on Linux systems when _POSIX_SOURCE is defined.
6433 (file_normally_convertible): Ditto.
6434 (process_aux_info_file): Ditto.
6437 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
6438 a constant to an integer register, don't split the insns that do
6439 the simple AND and OR operations, rather just split each word, and
6440 let the normal movsi define split handle it further.
6442 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6444 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
6445 (split_branches): Call init_insn_lengths.
6447 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
6449 * i386.c: Include expr.h to get the change_address prototype
6452 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
6454 * reg-stack.c (subst_asm_stack_regs): Change to return the last
6455 new insn generated by this function.
6456 (subst_stack_regs): Likewise.
6457 (convert_regs): Record the last newly generated insn and use
6458 it for change_stack () instead of INSN.
6460 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
6462 * fix-header.c (enum special_file): Undefine enumerators if they
6463 are already defined by include files.
6464 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
6465 macro with '__' to not pollute user namespace.
6467 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
6469 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
6471 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
6473 * version.c: Bump for snapshot.
6475 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
6477 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
6479 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
6480 Add missing -Dpentium* options.
6481 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
6482 instead of CPP_CPU_DEFAULT.
6483 (EXTRA_SPECS): Add entry for cpp_cpu_default.
6485 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
6487 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
6488 negative in a stackless frame.
6489 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
6490 in stackless frame size. Support 64-bit stackless frame size.
6491 Combine fpmem offset calculations and don't add total_size to
6492 offset if not pushing a stack frame.
6494 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
6496 * regmove.c (fixup_match_1): In three places, in flag_exceptions
6497 check, change p to q.
6499 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
6501 * gcc.c (lang_specific_driver): Add new parm type to prototype.
6502 (added_libraries): New file scope static variable.
6503 (process_command): Initialize added_libraries. Pass it to
6504 lang_specific_driver.
6505 (main): Use added_libraries in check for no input files.
6507 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
6509 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
6510 code generation. Use 64 bit instructions in 32 bit mode when
6511 possible. Use V9 return instruction. UltraSPARC optimizations.
6513 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
6515 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
6517 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
6518 just pass zero. That will work regardless of the size of HARD_REG_SET.
6520 * libgcc2.c (__floatdisf): Fix a couple typos.
6522 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
6524 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
6526 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
6528 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
6530 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
6532 * emit-rtl.c (operand_subword_force): If a register can not be
6533 accessed by words, copy it to a pseudo register.
6535 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
6537 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
6539 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
6541 * tree.h (mark_seen_cases): Delete declaration.
6543 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
6545 * stmt.c (mark_seen_cases): Make static and add prototype.
6547 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6549 * frame.c: Include stdlib.h and unistd.h to possibly get various
6550 function prototypes. The fixproto script guarantees these header
6551 files exist on the target system.
6552 * libgcc2.c: Likewise.
6554 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
6555 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
6556 function parameters.
6557 * libgcc2.c (__udiv_w_sdiv): Likewise.
6559 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
6561 * varasm.c (asm_output_bss): Add prototype.
6562 (asm_output_aligned_bss): Likewise.
6564 * unroll.c (verify_addresses): Add prototype.
6566 * toplev.c: Add many prototypes. Too many to mention here.
6568 * stmt.c (check_seenlabel): Add prototype.
6570 * rtlanal.c (reg_set_p_1): Add prototype.
6571 (reg_set_last_1): Likewise.
6573 * reorg.c (find_dead_or_set_registers): Add prototype.
6575 * regmove (try_auto_increment): Add prototype.
6577 * reg-stack.c (pop_stack): Add prototype.
6579 * recog.c (validate_replace_rtx_1): Add prototype.
6580 (find_cosntant_term_loc): Likewise.
6582 * loop.c (regs_patch_p): Add prototype.
6583 (add_label_notes, count_nonfixed_reads): Likewise.
6584 (find_single_use_in_loop): Likewise.
6585 (express_from): Surround prototype with #ifdef.
6586 (giv_sort): Similarly.
6588 * jump.c (mark_modified_reg): Add prototype.
6590 * haifa-sched.c (is_prisky): Add prototype.
6591 (queue_to_ready): Likewise.
6593 * genextract.c (gen_insn): Add prototype.
6595 * genemit.c (max_operand_1): Add prototype.
6596 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
6597 (gen_expand, gen_explit, output_add_clobbers): Likewise.
6598 (output_init_mov_optab): Likewise.
6600 * genattrtab.c (attr_hash_add_rtx): Add prototype.
6601 (attr_hash_add_string, write_length_unit_log): Likewise.
6603 * genattr.c (init_range): Add prototype.
6605 * combine.c (sets_function_arg_p): Add prototype.
6607 * expr.c (store_constructor_field): Add prototype.
6608 (get_memory_usage_from_modifier): Likewise
6610 * expmed.c (synth_mult): Add prototype.
6611 (choose_multiplier, invert_mod2n): Likewise.
6613 * except.c (push_eh_entry): Add prototype.
6614 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
6615 (call_get_eh_context, start_dynamic_cleanup): Likewise.
6616 (start_dynamic_handler, can_throw): Likewise.
6617 (output_exception_table_entry, scan_region): Likewise.
6618 (eh_regs, set_insn_eh_region): Likewise.
6620 * dwarfout.c (decl_class_context): Add prototype.
6621 (output_inheritance_die, type_ok_for_scope): Likewise.
6623 * c-lex.c (skip_white_space_on_line): Add prototype.
6625 * alias.c (record_set): Add prototype.
6626 (find_base_term, base_alias_check): Likewise.
6628 * function.c (assign_outer_stack_local): Make static and add prototype.
6630 * haifa-sched.c (build_control_flow): Accept raw data as inputs
6631 instead of computing it locally. Callers changed.
6632 (find_rgns): Several new arguments. Callers changed.
6633 Generally clean up and comment better. Use dominators to
6634 identify reducible loops. Convert some flag arrays to bitmaps.
6635 Convert most of the code to work on pred/succ lists instead of
6636 an edge table. Add comments for future improvements.
6637 (schedule_insns): Allocate temporary tables for flow data, call
6638 routines to compute flow data and pass it along to children as
6640 (debug_control_flow): Delete. Use dump_bb_data instead.
6642 * basic-block.h (compute_dominators): Declare.
6644 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
6646 * basic-block.h: Declare them.
6648 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
6650 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
6653 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
6655 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
6656 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
6657 node is non NULL. Cache last file name and file name identifier node.
6659 1998-04-15 Mark Mitchell <mmitchell@usa.net>
6661 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
6662 the length of an array, not TREE_TYPE.
6664 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
6666 * flow.c (sbitmap_union_of_successors): New function.
6667 * basic-block.h (sbitmap_union_of_successors): Declare it.
6669 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
6671 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
6672 Set gnu_ld to gnu_ld_flag inside main loop.
6675 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
6677 * toplev.c (compile_file): Call init_parse using new interface.
6678 (init_lex): Remove declaration.
6680 * c-lex.c (init_parse): Now returns char* containing filename.
6682 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
6684 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
6686 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
6688 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
6689 (gen{extract,peep,opinit,output}): Ditto.
6691 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
6692 global definition so print-rtl.o can be linked in.
6693 * gen{peep,recog}.c (insn_attr_name): Ditto.
6695 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
6697 * fixincludes: discard empty C++ comments, as found in sys/time.h
6700 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6702 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
6705 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
6707 * emit-rtl.c (operand_subword): Rework slightly to avoid
6708 bogus warning from previous change.
6710 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
6712 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
6713 Nov 8 find_replacement change. Move decls of get_unaligned_address
6714 * alpha.h: ... here.
6716 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
6718 * function.c (assign_parms): Initialize unsignedp before passing
6719 its pointer to promote_mode.
6721 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
6722 (write_test_expr): Allow MATCH_INSN.
6724 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
6726 * install.texi: Update section on warnings that can be safely ignored.
6728 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
6730 * mips.md (reload_outdi): Change the scratch mode from DImode to
6731 TImode. New variable scratch, used instead of operand[2] in template.
6732 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
6734 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
6736 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
6738 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
6740 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
6742 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
6744 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
6745 (ASM_FINISH_DECLARE_OBJECT): Likewise.
6747 * Idea and part of the patch from HJ.
6748 * Makefile.in: auto-host.h renamed from auto-config.h. All references
6750 (distclean): Remove auto-build.h too.
6751 * configure.in: Rename host autoconf generated file to auto-host.h.
6752 If host != build, then run autoconf to generate auto-build.h for
6753 the build machine and include it in build_xm_files.
6754 Check for wait.h and sys/wait.h.
6756 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
6757 TRULY_NOOP_TRUNCATION.
6759 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
6761 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
6763 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
6765 * invoke.texi (ld options) Include memset requirements
6766 for options -nodstdlib and -nodefaultlibs.
6768 1998-04-12 Paul Eggert <eggert@twinsun.com>
6770 This change is from an idea suggested by Arthur David Olson.
6772 * c-common.c (decl_attributes, record_function_format,
6773 check_format_info, init_function_format_info):
6774 Add support for strftime format checking.
6775 (enum format_type): New type.
6776 (record_function_format): Now static, and takes value of type
6777 enum format_type instead of int.
6778 (time_char_table): New constant.
6779 (struct function_format_info): format_type member renamed from is_scan.
6780 (check_format_info): Use `warning' rather than sprintf followed by
6781 `warning', to avoid mishandling `%' in warnings.
6782 Change `pedwarn' to `warning', since these warnings do not necessarily
6783 mean the program does not conform to the C Standard, as the code
6784 need not be executed.
6786 * c-tree.h (record_function_format): Remove decl; no longer extern.
6788 * extend.texi: Add documentation for strftime format checking.
6790 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
6792 * mips/ecoffl.h: Do not include mips.h.
6793 * mips/elf.h: Likewise.
6795 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
6796 * mips/ecoff.h: Include "mips/mips.h".
6798 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
6800 * version.c: Bump for snapshot.
6802 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
6804 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
6805 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
6806 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
6807 between loop optimization passes.
6808 * rtl.h: Updated appropriately.
6810 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
6812 Reinstall this patch from Jason.
6813 * function.c (push_function_context_to): Don't call init_emit.
6815 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
6817 * rtl.c (read_skip_spaces): Prevent infinite loops upon
6818 encountering unterminated comments.
6820 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
6822 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
6825 * configure.in: Handle --with-fast-fixincludes.
6826 (fixincludes): If --with-fast-fixincludes, then use a different
6827 fixincludes program by default.
6828 * Makefile.in (fixinc.sh): New rule.
6830 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
6832 * i386.md (movqi+1): Handle invalid QI register.
6833 (movsf_push-1): Likewise.
6835 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
6837 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
6839 symbolic_memort_operand(), call32_operand(), int8_operand(),
6840 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
6842 uint16_operand(): Made static.
6844 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
6846 * calls.c (expand_call): Fix typo.
6848 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
6850 * c-lex.c (finput): New global.
6851 (init_parse): Always included. Handle !USE_CPPLIB using
6852 code originally in compile_file.
6853 (finish_parse): Update for CPPLIB.
6854 * toplev.c (init_parse, finish_parse): Declare.
6855 (finput): Delete variable. Now in front-ends.
6856 (compile_file): Remove code which is now handled by init_parse
6857 which is unconditionally called. Similarly for finish_parse.
6859 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
6861 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
6862 ASM_WEAKEN_LABEL): Add.
6864 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
6866 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
6867 * configure.in (alpha-*-linux*): Use them.
6869 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6871 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
6872 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
6873 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
6874 (build_expr_wfl): New prototype declaration.
6875 * tree.c (build_expr_wfl): New function, to build
6876 EXPR_WITH_FILE_LOCATION nodes.
6877 (copy_node): Don't zero TREE_CHAIN if copying a
6878 EXPR_WITH_FILE_LOCATION node.
6879 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
6880 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
6882 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
6884 * configure.in (v850): Use t-v850.
6885 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
6887 * protoize.c (creat, read, write): Do not declare.
6889 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
6890 refer to the CODE_LABEL before a dispatch table.
6892 * invoke.texi: Add ARC options.
6894 * gcc.c (proces_command): Improve error message for -o with
6897 * i386/x-cygwin32 (CLIB): Link in advapi32.
6899 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
6900 (ASM_IDENTIFY_LANGUAGE): Likewise.
6902 * i386.md (movqi recognizer): Don't perfom byte increment into
6905 * configure.in (x86-dg-dgux): Run fixinc.dgux.
6907 * i370.h: Fix typo in GEN_INT changes.
6909 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
6910 of an empty arglist in prototype.
6912 * Makefile.in: Remove bytecode crud that crept back in after the
6915 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
6917 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
6918 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
6920 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
6922 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6924 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
6926 * c-lex.c (is_class_name): Delete declaration.
6927 (whitespace_cr): Make static and add prototype.
6928 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
6929 yylex, get_directive_line): Turn declarations into prototypes.
6930 (position_after_whitespace, check_newline, yyerror,, is_class_name,
6931 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
6933 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
6935 * gencodes.c (gen_insn): Add prototype.
6936 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
6937 gen_peephole): Add prototypes.
6938 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
6940 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
6941 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
6942 genheader, gencode): Add prototypes.
6943 * genopinit.c (gen_insn): Add prototype.
6944 * genoutput.c (output_prologue, output_epilogue, scan_operands,
6945 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
6946 gen_expand, gen_split, n_occurrences): Add prototypes.
6947 * genpeep.c (gen_peephole): Add prototype.
6948 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
6949 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
6950 labels_in_range_p, count_loop_regs_set, note_addr_stored,
6951 loop_reg_used_before_p, scan_loop, replace_call_address,
6952 skip_consec_insns, libcall_benefit, ignore_some_movables,
6953 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
6954 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
6955 check_final_value, record_giv, update_giv_derive, basic_induction_var,
6956 simplify_giv_expr, general_induction_var, consec_sets_giv,
6957 check_dbra_loop, express_from, combine_givs_p, combine_givs,
6958 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
6959 last_use_this_basic_block, record_initial, update_reg_last_use,
6960 iteration_info, analyze_loop_iterations, insert_bct,
6961 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
6964 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
6966 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6968 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
6970 * config/mips/mips.c (siginfo): Deleted.
6971 (override_options): Don't install SIGINFO signal handler.
6973 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
6975 * loop.c (check_dbra_loop): When normalize comparison_val, add check
6976 to verify it is non-negative.
6978 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
6980 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
6981 (alpha_expand_block_clear): Likewise.
6983 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
6985 * tree.h (sizetype_tab): Fix previous change for K&R.
6987 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
6989 * version.c: Bump for snapshot.
6991 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
6993 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
6994 Add USG and POSIX to xm_defines.
6996 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
6998 * gcc.c: Add linker spec.
6999 (link_command_spec): Use %(linker) instead of ld.
7000 (main): If collect2 is requested as the linker, see if it exists;
7001 if not, use ld instead.
7003 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
7005 (install-collect2): Install as collect2, not ld.
7007 * configure.in(will_use_collect2): It's named collect2 now.
7009 * collect2: Remove checks to see if we were invoked recursively.
7010 (collect_execute): Use _spawnvp under cygwin32.
7012 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
7014 * haifa-sched.c (build_control_flow): Set unreachable for block whose
7015 only predecessor is itself.
7017 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7019 * c-parse.in: Include system.h, and remove stuff now made redundant.
7022 * protoize.c: Likewise. Properly check for cpp stringification.
7024 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
7027 * objc/Make-lang.in (objc-parse.o): Likewise.
7029 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7031 * gansidecl.h: Check if compiler supports __attribute__. Provide
7032 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
7033 __attribute__ when its available. Also provide definitions for
7034 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
7035 terms of ATTRIBUTE_PRINTF.
7037 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
7040 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
7042 * combine.c (can_combine_p): Include successor in volatile test.
7044 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7046 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
7049 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
7051 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
7052 in prototype and definition.
7054 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
7056 * version.c: Bump for snapshot.
7058 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
7060 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
7061 alpha_expand_unaligned_store_words.
7063 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
7065 * i386.md (movsf_push, movsf_mem): Remove.
7066 (movsf_push): Rename from movsf_push_nomove and move in front of
7067 movsf. Use nonmemory_operand predicate and don't bother checking
7069 (movsf_push_memory): New pattern.
7070 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
7071 both operands refer to memory then force operand[1] into a register.
7072 (movsf_normal): Change to unnamed pattern.
7073 Likewise for movdf, movxf, and friends.
7075 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
7077 * version.c: Bump for snapshot.
7079 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
7081 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
7083 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
7085 * configure.in (mips-wrs-vxworks): New target.
7087 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
7089 * expmed.c (synth_mult): The value -1, has no zeros, so it can
7090 never have the form ...011.
7092 * version.c: Bump for snapshot.
7094 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
7096 * i386.c (asm_output_function_prefix, load_pic_register):
7097 Use ASM_GENERATE_INTERNAL_LABEL properly.
7098 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
7099 (print_operand): Ignore it.
7100 (load_pic_register): Use it for the got load call.
7101 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
7102 (prologue_get_pc_and_set_got): Likewise.
7103 * i386.h: Update print_operand docs.
7105 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
7107 * i386.md (ffssi, ffshi): Rewrite as define_expands.
7108 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
7109 * i386.c (notice_update_cc): Recognize unspec 5.
7111 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
7113 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
7114 * alpha.c (print_operand): Handle it.
7115 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
7117 (fix_truncdfdi2): Likewise.
7119 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
7121 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
7122 of these into a single struct, with additional [us]sizetype entries.
7123 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
7124 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
7127 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
7129 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
7131 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
7133 * haifa-sched.c (split_block_insns): Don't supress insn splitting
7134 on subsequent passes.
7136 * alpha.c (hard_fp_register_operand): New function.
7137 * alpha.h (PREDICATE_CODES): Add it.
7138 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
7139 f<-m case and accompanying define_split.
7140 (trapb): Use a unique unspec_volatile number.
7142 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
7144 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
7147 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
7149 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
7152 * haifa-sched.c: Mirror recent changes from gcc2.
7154 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
7156 * Makefile.in (insn*.o): Depend on system.h.
7158 * pa.c (output_global_address): Initialize base.
7159 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
7161 1998-04-03 Mike Stump <mrs@wrs.com>
7163 * gthr.h: Support systems that don't have weak, but have threads.
7164 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
7165 * gthr-vxworks.h: New file.
7166 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
7168 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
7170 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
7172 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
7174 * ginclude/va-i960.h (va_end): Change void * to void.
7176 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7178 * Makefile.in (choose-temp.o): Depend on system.h.
7180 * choose-temp.c: Include system.h when IN_GCC.
7182 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
7183 Richard Henderson <rth@cygnus.com>
7185 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
7186 (move_replacements): New function.
7187 * reload.h: Prototype it.
7189 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
7191 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
7193 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
7196 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
7197 (gen_highpart): Likewise.
7198 * final.c (alter_subreg): Allow the target to hook by-mode subreg
7199 hard register number changes.
7201 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
7203 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
7204 rnbitsize, rnmode and rinner.
7205 (make_range): Initialize type.
7206 (fold): Initialize arg0, arg1 and varop.
7208 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
7210 (expand_function_start): Initialize last_ptr.
7212 * stor-layout.c (layout_record): Initialize desired_align.
7213 (get_best_mode): Initialize unit.
7215 * tree.c (copy_node): Initialize length.
7217 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
7219 * caller-save.c (insert_save_restore): Initialize pat, code and
7222 * emit-rtl.c (push_to_sequence): Initialize top.
7223 (push_topmost_sequence): Likewise.
7225 * genattrtab.c (simplify_by_exploding): Initialize defval.
7227 * profile.c (branch_prob): Initialize dest.
7229 * rtl.h (note_stores): Remove duplicate prototype.
7230 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
7232 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
7233 strings that are not actually lengths.
7235 * genattrtab.c: Make generated file use system.h, instead of
7236 including stdio.h, etc directly.
7237 * genextract.c, genopinit.c, genoutput.c: Likewise.
7238 * genpeep.c, genrecog.c: Likewise
7240 * genoutput.c (process_template): Mark operands in the generated
7241 function as potentially unused if compiling with GNU CC.
7243 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
7245 * pa.md (reload peepholes): Remove unused variable "mode".
7247 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
7249 * config/arm/thumb.h: Add super interworking support.
7250 * config/arm/thumb.c: Add super interworking support.
7251 * config/arm/thumb.md: Add super interworking support.
7252 * config/arm/lib1funcs.asm: Add interworking support.
7253 * config/arm/lib1thumb.asm: Add super interworking support.
7254 * config/arm/t-semi: Add interworking support.
7255 * config/arm/t-thumb: Add interworking support.
7256 * config/arm/README-interworking: New file.
7258 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
7260 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
7261 (MD_STARTFILE_PREFIX): Unset.
7263 1998-04-01 Mark Mitchell <mmitchell@usa.net>
7265 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
7266 entity in a local scope.
7268 * fold-const.c (fold): Call truthvalue_conversion for values which
7269 are folded to boolean type.
7271 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
7273 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
7274 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
7275 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
7276 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
7277 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
7278 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
7279 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
7280 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
7281 * md.texi: Likewise.
7283 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
7285 * fixincludes (limits.h): Fix nested comments in Motorola's
7286 limits.h and sys/limits.h.
7288 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
7290 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
7291 as dest of expand_binop call.
7293 * alpha.md (extzv): Correct check for valid operand[2] values.
7295 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
7298 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
7300 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
7302 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
7303 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
7305 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
7306 cygwin32 can override this to allow both unix and win32 style PATHs.
7308 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
7309 style environment paths.
7311 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
7314 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
7315 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
7318 * cpphash.c: Include config.h.
7319 * cppalloc.c: Include system.h. Add parameters to various
7320 function prototypes.
7321 * cpperror.c: Likewise.
7322 * cppexp.c: Likewise.
7323 * cpphash.c: Likewise.
7324 * cpplib.c: Likewise.
7325 * cppmain.c: Likewise.
7326 * fix-header.c: Likewise.
7328 * gen-protos.c: Likewise.
7329 * gengenrtl.c: Likewise.
7330 * halfpic.c: Likewise.
7332 * scan-decls.c: Likewise.
7335 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
7337 * README.gnat: Add lang_print_xnode definition.
7339 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7341 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
7342 fmovecr on the 68060.
7344 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
7346 * genemit.c (DONE): Rework so that it works in the true arm if
7347 an if-else conditional.
7350 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
7352 * rs6000.c: Do not include stdioh or ctype.h anymore.
7354 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
7356 (stor-layout.o): Likewise.
7357 * c-typeck.c: Include rtl.h and expr.h.
7358 * stor-layout.c: Likewise.
7360 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
7361 All callers changed.
7362 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
7363 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
7364 All callers changed.
7366 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
7368 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
7370 * tree.h (lang_print_xnode): Provide prototype.
7372 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
7374 * version.c: Bump for snapshot.
7376 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
7378 * objc/sendmsg.c (__objc_block_forward): Add braces for return
7379 value if INVISIBLE_STRUCT_RETURN.
7381 * pa.c (arith_double_operand): Fix parens.
7383 * haifa-sched.c (print_pattern): Correct arg to sprintf.
7385 * Makefile.in (libgcc1.null): Make return type for __foo void.
7387 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
7389 * pa.h: Add declarations for many functions defined in pa.c.
7391 * genpeep.c (main): Remove unused variable 'i' from the generated
7394 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
7395 (gen_split): Likewise.
7396 (main): Rework generated definitions of DONE and FAIL so that they
7397 no longer use gotos. Avoids warnings about unused labels.
7399 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
7400 unused "junk" variable.
7402 * genattrtab.c (write_complex_function): Add a default case in
7403 generated switch statement to keep -W -Wall quiet.
7405 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
7407 * invoke.texi: Document more ARM and Thumb command line options.
7409 * config/arm/xm-thumb.h: New file.
7411 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
7413 * stmt.c (expand_expr_stmt): Must generate code for
7414 statements within an expression (gcc's `({ ... )}')
7415 even if -fsyntax-only.
7417 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7418 Jeffrey A Law (law@cygnus.com)
7420 * basic-block.h (basic_block_computed_jump_target): Declare.
7421 * flags.h: (current_function_has_computed_jump): Declare.
7422 * flow.c: (basic_block_computed_jump_target): Define.
7423 (flow_analysis): Allocate it. Set current_function_has_computed_jump
7425 (find_basic_blocks): Set current_function_has_computed_jump and
7426 elements of basic_block_computed_jump_target to 1 as appropriate.
7427 * function.c: (current_function_has_computed_jump): Define.
7428 * global.c (global_conflicts): Don't allocate pseudos into stack regs
7429 at the start of a block that is reachable by a computed jump.
7430 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
7432 (subst_stack_regs): Undo change from Sep 4 1997.
7433 (uses_reg_or_mem): Now unused, deleted.
7434 * stupid.c (stupid_life_analysis): Compute
7435 current_function_has_computed_jump.
7436 (stupid_find_reg): Don't allocate stack regs if the function has a
7438 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
7439 the current function has a computed jump. Use the global value
7442 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
7444 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
7445 (DWARF2_UNWIND_INFO): Define to zero.
7447 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
7449 * gcc.c (set_std_prefix): Add declaration.
7450 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
7451 suffix, and update the standard prefix prefix.c uses.
7453 * prefix.c (std_prefix): New global to hold default prefix value.
7454 (get_key_value): Change to use std_prefix instead of PREFIX.
7455 (translate_name): Ditto.
7456 (update_path): Ditto.
7457 (get_key_value): Release allocated scratch storage.
7458 (set_std_prefix): New function to reset the standard prefix.
7460 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7462 * sh.c (find_barrier): Fix calculations for alignment increase.
7464 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
7466 * Makefile.in (stmp-fixinc): If we're actually fixing include
7467 files, copy gcc's assert.h into the fixed include dir.
7468 * fixincludes (assert.h): Avoid any attempts to fix a probably
7469 broken system specific assert.h file.
7470 * fixproto (stdlib.h): Make sure, it'll contain a definition of
7473 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
7475 * regclass.c (reg_scan_mark_refs): Be more selective about
7476 when we mark a register with REGNO_POINTER_FLAG.
7478 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7480 reload inheritance improvement:
7481 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
7482 Change meaning: index is now hard reg number.
7483 (reg_reloaded_valid, reg_reloaded_dead): New variables.
7484 (reload_spill_index): Content is now a hard reg number.
7485 (reload_as_needed): Change to fit new variable meaning.
7486 (forget_old_reloads_1, allocate_reload_reg): Likewise.
7487 (choose_reload_regs, emit_reload_insns): Likewise.
7489 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7491 * regclass.c (record_reg_classes): '?' increases cost by two.
7493 * reload.c (find_reloads): Double previous costs. Output
7494 reloads cost one unit extra.
7496 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
7497 boiled down to && ! 0.
7499 * reload.c (find_equiv_reg): Also consider a goal offset from the
7500 frame pointer to be constant.
7502 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7504 * sh.h (OPTIMIZATION_OPTIONS): Define.
7506 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
7508 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
7510 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
7512 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
7514 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
7516 * c-common.c (check_format_info): Initialize type, is_type. New local
7517 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
7518 when pedantic if used with integral format specifier.
7520 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
7522 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
7524 (function_arg_padding): Declare.
7526 * rs6000.c: Include system.h.
7527 (function_arg_padding): Change return type to int, cast enum's to
7530 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
7531 * collect2.c (scan_prog_file): Add explicit braces to avoid
7534 * dbxout.c (dbxout_type_fields): Add braces around empty body in
7536 (dbxout_type): Likewise.
7538 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
7539 `ptt_size' from int to size_t.
7540 (rs6000_file_start): Likewise for `i'.
7541 (rs6000_replace_regno): Add default case in enumeration switch.
7542 (output_epilog): Remove unused variable `i'.
7543 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
7546 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
7548 (get_issue_rate, non_logical_cint_operand): Add prototype.
7549 (rs6000_output_load_toc_table): Ditto.
7551 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
7554 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
7556 * config/arm/thumb.c: New File. Support for ARM's Thumb
7558 * config/arm/thumb.h: New File. Thumb definitions.
7559 * config/arm/thumb.md: New File. Thumb machine description.
7560 * config/arm/tcoff.h: New File. Thumb COFF support.
7561 * config/arm/t-thumb: New File. Thumb makefile fragment.
7562 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
7564 * configure.in: Add Thumb-coff target.
7565 * configure: Add Thumb-coff target.
7566 * config.sub: Add Thumb-coff target.
7568 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
7570 * loop.c (scan_loop): Initialize move_insn_first to zero.
7572 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
7574 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
7575 * config/i386/rtems.h: Likewise.
7576 * config/i960/rtems.h: Likewise.
7577 * config/m68k/rtems.h: Likewise.
7578 * config/mips/rtems64.h: Likewise.
7579 * config/pa/rtems.h: Likewise.
7580 * config/rs6000/rtems.h: Likewise.
7581 * config/sh/rtems.h: Likewise.
7582 * config/sparc/rtems.h: Likewise.
7584 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7586 * pa.c (emit_move_sequence): If in reload, call find_replacement.
7588 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
7590 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
7592 * collect2.c (find_a_file): Add debugging.
7593 (find_a_file): Test for win32 style absolute paths if
7594 DIR_SERPARATOR is defined.
7595 (prefix_from_string): Add debugging.
7596 (main): Test for debug command line switch at start of program
7598 (main): Use GET_ENVIRONMENT rather than getenv().
7599 (prefix_from_env): Use GET_ENVIRONMENT.
7601 1998-03-24 Mark Mitchell <mmitchell@usa.net>
7603 * cplus-dem.c (optable): Add sizeof.
7604 (demangle_template_value_parm): New function containing code
7605 previously found in demangle_template.
7606 (demangle_integral_value): New function which handles complicated
7607 integral expressions.
7608 (demangle_template): Use them.
7610 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7612 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
7613 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
7614 genattrtab.o, genoutput.o): Depend on system.h.
7616 * genattr.c: Include system.h. Add arguments to various function
7617 prototypes. Remove redundant prototype of read_rtx().
7618 * genattrtab.c: Likewise.
7619 * gencodes.c: Likewise.
7620 * genconfig.c: Likewise.
7621 * genemit.c: Likewise.
7622 * genextract.c: Likewise.
7623 * genflags.c: Likewise.
7624 * genopinit.c: Likewise.
7625 * genoutput.c: Likewise.
7626 * genpeep.c: Likewise.
7627 * genrecog.c: Likewise.
7629 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
7631 * c-lang.c (lang_print_xnode): New function.
7632 * objc/objc-act.c (lang_print_xnode): Likewise.
7633 * print-tree.c (print_node): Call it
7635 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
7637 * c-parse.in: Recognize protocol qualifiers in class
7638 definitions for objc.
7640 (yyerror): Remove redundant decl.
7641 (yyprint): Fix prototype.
7643 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
7645 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
7647 * stmt.c (unroll_block_trees): Free block_vector if needed.
7649 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
7651 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
7652 (zero_extendsidi2): Avoid useless copy.
7653 (iordi_zext): New pattern.
7654 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
7656 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
7658 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
7659 (ashldi3): Allow constant shift count in range ]32,63].
7660 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
7662 1998-03-22 Mark Mitchell <mmitchell@usa.net>
7664 * tree.h (IS_EXPR_CODE_CLASS): New macro.
7666 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
7668 * h8300.h (CONST_COSTS): Remove definition.
7669 (DEFAULT_RTX_COSTS): Define.
7671 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
7673 * config/sh/rtems.h: Switched from ELF to COFF.
7675 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7677 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
7679 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
7681 * version.c: Bump for snapshot.
7683 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
7684 Geoff Noer <noer@cygnus.com>
7686 * Makefile.in: Various fixes for building cygwin32 native toolchains.
7688 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
7689 * objc/Make-lang.in: Likewise.
7691 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
7693 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
7695 * configure.in: Handle with-PACKAGE=no correctly
7697 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7699 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
7700 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
7701 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
7702 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
7703 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
7704 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
7705 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
7706 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
7707 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
7708 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
7711 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
7712 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
7713 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
7714 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
7715 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
7716 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
7717 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
7718 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
7719 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
7720 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
7721 xcoffout.c: Include system.h. Organize include ordering so
7722 that stdarg/varargs comes before other system headers. Remove
7723 spurious casts of functions assured of a prototype in system.h.
7725 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
7727 * reg-stack.c (pop_stack): Define. Pops any register on the
7728 regstack and adjusts regstack.
7729 (compare_for_stack_reg): Use pop_stack.
7731 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
7733 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
7736 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
7738 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
7740 * fold-const.c (fold): Replace sign-extension of a zero extended
7741 value by a single zero extension.
7743 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
7745 * except.c (init_eh): Do nothing.
7746 (save_eh_status): Call init_eh_for_function, not init_eh.
7747 * function.c (push_function_context_to): Don't call init_emit.
7749 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
7751 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
7754 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7756 * final.c (shorten_branches): Add parentheses around +/- in
7759 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
7761 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
7763 * regclass.c (memory_move_secondary_cost): Wrap uses of
7764 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
7767 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
7769 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
7771 * flow.c (life_analysis): #include <sys/types.h> to make sure
7773 * cplus-dem.c (demangle_function_name): Likewise.
7775 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
7777 * final.c (insn_noperands): Change type to unsigned int.
7778 (final_scan_insn): Likewise for noperands;
7779 properly check operand number boundaries.
7781 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
7783 * alpha.md (extzv): Don't reject register operands. Fix
7786 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
7788 * dbxout.c (dbxout_function_end): Fix last change. The correct
7789 predicate is ASM_OUTPUT_SECTION_NAME.
7791 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
7793 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
7794 (ashlsi): Use match_dup 1 instead of match_operand 2.
7796 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7798 * fold-const.c (operand_equal_for_comparison_p): See if equal
7799 when nop conversions are removed.
7801 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7803 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
7804 don't use ORIGINAL_TARGET unless REG.
7806 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7808 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
7810 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
7812 * loop.c (struct movable): New field move_insn_first.
7813 (scan_loop): In consec sets code, set it. Clear it otherwise.
7814 (move_movables): In consec sets code, use it. Copy REG_NOTES from
7815 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
7818 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
7820 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
7821 is large, and the system doesn't provide atoll or atoq.
7824 * alpha/xm-vms.h (HAVE_ATOLL): Define.
7825 Reported by Klaus Kaempf <kkaempf@progis.de>.
7827 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7829 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
7830 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
7832 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
7833 test !ACCUMULATE_OUTGOING_ARGS.
7835 * collect2.c (write_c_file_glob): Wrap function definition in
7836 macro test !LD_INIT_SWITCH.
7838 * combine.c (try_combine): Wrap variables `cc_use' and
7839 `compare_mode' in macro test EXTRA_CC_MODES.
7841 * cpplib.c (do_ident): Remove unused variable `len'.
7842 (skip_if_group): Remove unused variables `at_beg_of_line' and
7844 (cpp_get_token): Remove unused variable `dummy'.
7846 * dbxout.c (scope_labelno): Move static variable definition inside
7847 the one function scope where it is used.
7848 (dbxout_function_end): Wrap prototype and definition in
7849 macro test !NO_DBX_FUNCTION_END.
7851 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
7852 in macro test !MIPS_DEBUGGING_INFO.
7854 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
7855 into the scope where it is used. Wrap empty else-statement body
7858 * fix-header.c: Fix typo in comment.
7859 (inf_skip_spaces): Cast results of INF_UNGET to (void).
7860 (check_protection, main): Likewise.
7862 * flow.c (find_basic_blocks_1): Remove dangling comment text.
7864 * function.c (contains): Wrap prototype and definition in macro
7865 test HAVE_prologue || HAVE_epilogue.
7866 (fixup_var_refs_1): Remove unused variable `width'.
7868 * gen-protos.c (main): Remove unused variable `optr'.
7870 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
7872 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
7873 (__sjpopnthrow): Remove unused variable `jmpbuf'.
7874 (__throw): Remove unused variable `val'.
7876 * protoize.c: Check for a previously existing definition before
7877 defining *_OK macros.
7879 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
7881 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7883 * vax.h (ADDR_VEC_ALIGN): Define.
7885 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
7887 * gcc.c (default_arg): Don't wander off the end of allocated
7890 (From Geoffrey Keating <geoffk@ozemail.com.au>)
7891 * rs6000.c (small_data_operand): Ensure that any address
7892 referenced relative to the small data area is inside the SDA.
7894 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
7896 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
7898 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7900 * except.h (in_same_eh_region): New prototype.
7901 (free_insn_eh_region, init_insn_eh_region): New prototypes.
7902 * except.c (insn_eh_region, maximum_uid): New static variables.
7903 (set_insn_eh_region): New static function to set region numbers.
7904 (free_insn_eh_region): New function to free EH region table.
7905 (init_insn_eh_region): New function to initialize EH region table.
7906 (in_same_eh_region): New function used to determine if two rtl
7907 instructions are in the same exception region or not.
7908 * final.c (final): Initialize the table indicating which instructions
7909 belong in which exception region.
7910 * genpeep.c (main): Add "except.h" to include file list in generated
7912 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
7913 peepholes involving calls and unconditional branches.
7915 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
7917 * README.gnat: New file.
7919 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7921 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
7922 "recog.h" for offsettable_memref_p.
7923 (legitimize_pic_address): Remove unused variable `offset'.
7924 (notice_update_cc): Change return type to void. Add default label
7926 (standard_68881_constant_p): Remove unused variable mode.
7927 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
7928 (const_int_cost): Explicitly declare as returning int.
7929 (output_dbcc_and_branch): Change return type to void.
7931 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
7932 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
7933 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
7935 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
7937 * version.c: Bump for snapshot.
7939 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7941 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
7942 check for 'M' constraint.
7944 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
7946 * cccp.c (create_definition): If pedantic, call pedwarn for macro
7949 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7951 * i386.c (ix86_logical_operator): New function.
7952 (split_di): Ensure that when a MEM is split, the resulting MEMs have
7954 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
7957 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7958 Richard Earnshaw <rearnsha@arm.com>
7959 Nick Clifton <nickc@cygnus.com>
7961 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
7963 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
7965 * cse.c (rtx_cost): Provide a default case in an enumeration
7966 switch, and call DEFAULT_RTX_COSTS if it's defined.
7968 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
7970 * basic-block.h (compute_preds_succs): Change return type in
7972 * flow.c (compute_preds_succs): Likewise in function definition.
7974 * regmove.c (find_matches): Cast char used as array index to unsigned char
7977 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
7979 * i386.h (RTX_COSTS): Insert braces around nested if.
7980 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
7983 * gcc.c (default_compilers): Properly put brackets around array elements in
7986 * getopt.c (_getopt_internal): Add explicit braces around nested if;
7989 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
7990 (record_reg_life_pat): Add explicit parens around && and || in expression.
7991 (stack_reg_life_analysis): Add parens around assignment used as expression.
7992 (convert_regs): Likewise.
7994 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
7996 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
7997 change callers accordingly.
7999 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
8000 and definition; change all callers accordingly.
8002 * except.c (init_eh): Avoid assignment of unused return value of
8003 build_pointer_type; cast it to void, instead, and remove unused
8006 * gcc.c (lang_specific_driver): Define prototype only #ifdef
8007 LANG_SPECIFIC_DRIVER.
8008 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
8010 * genoutput.c (output_epilogue): Initialize next_name to 0.
8012 * real.c (efrexp): #if 0 prototype and function definition.
8013 (eremain): Likewise.
8020 * reload.c (push_secondary_reload): Define prototype only
8021 #ifdef HAVE_SECONDARY_RELOADS.
8023 * varasm.c (assemble_static_space): Define rounded only
8024 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
8026 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
8028 * i386.md (andsi): Add default case in enumeration switch.
8033 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
8035 * c-decl (finish_struct): Change type of min_align to unsigned.
8037 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
8038 remove unused variable len.
8040 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
8041 comment indicating this is proper behaviour.
8042 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
8044 (based_loc_descr): Likewise.
8046 * enquire.c (bitpattern): Change type of variable i to unsigned.
8048 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
8050 * flow.c (life_analysis): Change type of variable i to size_t;
8051 remove unused variable insn.
8053 * gcc.c (translate_options): Change type of variables optlen, arglen and
8055 (input_filename_length): Change type to size_t.
8056 (do_spec_1): Change type of variable bufsize to size_t.
8057 (main): Change type of variables i and j to size_t;
8058 remove subblock local definition of variable i.
8059 (lookup_compiler): Change type of second argument to size_t;
8060 change type of variable i to size_t.
8062 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
8064 * genopinit.c (get_insn): Change type of variable pindex to size_t.
8066 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
8068 * global.c (global_alloc): Change type of variable i to size_t.
8070 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
8072 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
8073 (expand_end_case): Change type of variable count to size_t.
8075 * toplev.c (main): Change type of variable j to size_t.
8076 (set_target_switch): Change type of variable j to size_t.
8077 (print_switch_values): Change type of variable j to size_t;
8078 remove unused variable flags.
8080 * varasm.c (assemble_variable): Change type of variable align to size_t.
8081 (const_hash_rtx): Change type of variable i to size_t.
8083 1998-03-11 Mark Mitchell <mmitchell@usa.net>
8085 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
8086 TREE_VEC if that's what it really is.
8088 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
8090 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
8093 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
8095 * gthr.h: Changed the comment about return values.
8096 * gthr-solaris.h (__gthread_once): Do not use errno; return the
8097 error number instead of -1.
8098 (__gthread_key_create): Any non-zero return value is an error.
8099 * libgcc2.c (eh_context_initialize): Check for non-zero return
8100 value from __gthread_once.
8101 Check that the value of get_eh_context was really changed.
8103 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8105 * sh.h (LOOP_ALIGN): Only align when optimizing.
8106 * sh.c (find_barrier): Clear inc for CODE_LABELs.
8107 When not optimizing, calculate alignment for BARRIERs directly.
8109 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8111 * final.c (shorten_branches): Remove conditionalizing on
8112 SHORTEN_WITH_ADJUST_INSN_LENGTH
8113 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
8115 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
8117 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
8118 an unconditional jump around deleted blocks.
8120 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
8122 * profile.c (branch_prob): If see computed goto, call fatal instead of
8125 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
8127 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
8128 Patch from Bruno Haible.
8130 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
8131 (assign_parms): Set aggregate if hide_last_arg and last_named.
8133 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8135 * final.c (shorten_branches): Initialize insn_addresses.
8137 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8139 * sh.h (MUST_PASS_IN_STACK): Define.
8141 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
8143 * final.c (shorten_branches): Fix minor logic error in
8144 ADDR_DIFF_VEC shortening support.
8146 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
8148 * version.c: Bump for snapshot.
8150 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
8152 * haifa-sched.c (is_cfg_nonregular): Change return type to
8153 an int. No longer compute "estimated" number of edges. Use
8154 computed_jump_p instead of duplicating the code. Fixup/add
8156 (build_control_flow): Returns a value indicating an irregularity
8157 in the cfg was detected. Count the number of edges in the cfg.
8158 allocate various edge tables.
8159 (find_rgns): No longer look for unreachable blocks.
8160 (schedule_insns): Do not allocate memory for edge tables here.
8161 Free memory for edge tables before returning. Do not perform
8162 cross block scheduling if build_control_flow returns nonzero.
8163 * flow.c (compute_preds_succs): More accurately determine when
8166 * basic-block.h (free_basic_block_vargs): Provide prototype.
8168 * cccp.c (main): Fix dumb mistakes in last change.
8170 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8172 * rtl.h (addr_diff_vec_flags): New typedef.
8173 (union rtunion_def): New member rt_addr_diff_vec_flags.
8174 (ADDR_DIFF_VEC_FLAGS): New macro.
8176 * sh.c (output_branch): Fix offset overflow problems.
8178 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
8179 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
8180 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
8181 * stmt.c (expand_end_case): Supply new arguments to
8182 gen_rtx_ADDR_DIFF_VEC.
8183 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
8184 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
8185 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
8186 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
8187 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
8188 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
8189 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
8190 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
8191 * i386/freebsd.h, i386/linux.h : Likewise.
8192 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
8193 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
8194 * m68k/mot3300.h, m68k/sgs.h : Likewise.
8195 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
8196 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
8197 (CASE_VECTOR_SHORTEN_MODE): Define.
8198 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
8199 (med_branch_p, braf_branch_p): Don't declare.
8200 (mdep_reorg_phase, barrier_align): Declare.
8201 (ADJUST_INSN_LENGTH): Remove alignment handling.
8202 * sh.c (uid_align, uid_align_max): Deleted.
8203 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
8204 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
8205 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
8206 (output_far_jump): Don't use braf_branch_p.
8207 (output_branchy_insn): Don't use branch_offset.
8208 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
8209 Remove paired barrier stuff.
8210 Don't use cache_align_p.
8211 Take alignment insns into account.
8212 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
8214 (barrier_align, branch_dest): New function.
8215 (machine_dependent_reorg, split_branches): Remove infrastructure
8216 for branch shortening that is now provided in the backend.
8217 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
8218 (braf_branch_p, braf_cbranch_p): Likewise.
8219 (attribute length): Use new attributes.
8220 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
8221 (addr_diff_vec_adjust): Delete.
8222 (align_2): Now a define_expand.
8223 (align_log): Now length 0.
8225 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
8227 * m32r.md (right): Correctly check for length == 2, not 1.
8229 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8231 * mips/mips.h: Prototype `machine_dependent_reorg'.
8232 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
8234 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
8236 * final.c (shorten_branches): Restore accidentally removed code.
8238 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8240 * configure.in: Remove duplicate uses of AC_PROG_CC and
8243 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
8245 * configure.in (target_cpu_default2): Correct typo for alphapca56.
8247 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
8248 Doug Evans (devans@cygnus.com)
8250 * haifa-sched.c (build_jmp_edges): Delete dead function.
8251 (build_control_flow): Use cfg routines from flow.c
8252 (schedule_insns): Remove debugging code accidentally checked
8255 * basic-block.h: Add external integer list structures, typdefs,
8256 accessor macros and function declarations. Simlarly for
8257 basic block pred/succ support and simple bitmap stuff.
8258 * flow.c: Add functions for integer list, basic block pred/succ
8259 support and simple bitmap support.
8260 (compute_dominators): New function to compute dominators and
8262 (find_basic_blocks): Split into two functions.
8263 (life_analysis): Likewise.
8264 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
8265 the life_analysis from toplev.c
8266 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
8267 life_analysis instead of flow_analysis.
8269 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8271 * jump.c (jump_optimize): Call mark_jump_label also for deleted
8273 (mark_jump_label): Don't increment ref counts for deleted insns.
8275 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8277 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
8279 * mips/mips.c: Include stdlib.h and unistd.h.
8280 (mips_asm_file_end): Add braces around empty body in an if-statement.
8281 (function_prologue): Wrap variable `fnname' in
8282 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
8283 (mips_select_rtx_section, mips_select_section): Declare as void.
8285 * mips/mips.h: Add prototypes for extern functions in mips.c.
8286 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
8287 (ENCODE_SECTION_INFO): Add braces around empty body in an
8290 * mips/mips.md (movdi): Add parentheses around && within ||.
8291 (movsf, movdf): Likewise.
8292 (branch_zero, branch_zero_di): Add default case in
8296 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
8298 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
8299 real constants, since they can't be changed.
8300 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
8301 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
8302 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
8303 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
8304 * alpha/vms.h (TARGET_OPEN_VMS): New.
8305 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
8307 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
8309 * reload.c (find_reloads): Always force (subreg (mem)) to be
8310 reloaded if WORD_REGISTER_OPERATIONS.
8312 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
8314 * haifa-sched.c (free_list): Rename from free_pnd_lst.
8315 (free_pending_lists): Rename free_pnd_lst uses.
8316 (remove_dependence): Place expunged element on unused_insn_list.
8317 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
8318 gen_rtx_*_LIST and alloc_rtx to use them.
8319 (compute_block_backward_dependences): Free the reg_last_* lists.
8321 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
8323 * cccp.c (main): Avoid undefined behavior when setting pend_includes
8326 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
8328 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
8329 USE_GNULIBC_1 is defined
8330 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
8331 includes the t-linux-gnulibc1 fragment
8333 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
8335 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
8337 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8339 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
8341 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8343 * final.c (shorten_branches): Tag the loop alignment onto the
8344 first label after NOTE_INSN_LOOP_BEG even if there is an
8347 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8349 * final.c (insn_current_reference_address):
8350 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
8351 proper alignment chain.
8353 * final.c (max_labelno): New static variable.
8354 (final_scan_insn): Check max_labelno before outputting an
8355 alignment for a label.
8356 (shorten_branches): Remove unused variable length_align.
8358 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8360 * sparc.c (ultrasparc_adjust_cost): Add default case in
8363 * sparc.h: Add prototypes for extern functions defined in
8366 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
8368 * toplev.c: Only generate <name>.dbr file when dumping RTL if
8369 DEALY_SLOTS is defined.
8371 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
8373 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
8374 in call to fill_slots_from_thread.
8376 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
8378 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
8379 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
8381 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8383 * final.c (insn_last_address, insn_current_align, uid_align):
8385 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
8386 (insn_current_reference_address): Likewise.
8387 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
8388 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
8389 (label_to_alignment): New function.
8390 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
8391 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
8392 insn_current_reference_address instead of insn_current_address.
8393 (or_attr_value, write_length_unit_log): New functions.
8394 (main): Call write_length_unit_log.
8395 (write_const_num_delay_slots): Output extra '\n'.
8396 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
8398 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
8399 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
8400 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
8402 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
8403 (LABEL_ALIGN_AFTER_BARRIER).
8404 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
8405 * ns32k/tek6000.h: Likewise.
8406 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
8407 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
8408 ASM_OUTPUT_ALIGN_CODE.
8410 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
8412 * version.c: Bump for snapshot.
8414 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
8416 * version.c: Bump for snapshot.
8418 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
8420 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
8421 if condition code of jump conflicts with opposite_needed.
8423 * reorg.c (fill_slots_from_thread): Mark resources referenced in
8424 opposite_needed thread. Return delay_list even when cannot get
8425 any more delay insns from end of subroutine.
8427 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
8429 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
8430 All callers changed.
8432 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8434 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
8435 end_fde_sort): New functions for fast sorting of an FDE array.
8436 (fde_insert): Simplified.
8437 (add_fdes): Change argument list.
8438 (frame_init): Use the new functions.
8440 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
8442 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
8444 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
8446 * fold-const.c (fold_range_test): Always return a value.
8448 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
8450 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
8451 data in the text section unless READONLY_DATA_SECTION is defined.
8453 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
8455 * c-parse.in (undeclared variable error): Tweak error message to
8458 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
8460 * version.c: Bump for snapshot.
8462 1998-02-28 Mark Mitchell <mmitchell@usa.net>
8464 * final.c (final_scan_insn): Undo overzealous removal of `set'.
8466 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8468 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
8469 case, add parentheses to specify the proper order of precedence in
8473 * c-aux-info.c: Include string.h/strings.h.
8475 * pa.c: Include stdlib.h.
8476 (pa_combine_instructions): Prototype the function.
8477 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
8478 (reloc_needed): Add default case for enumeration switch.
8479 (remove_useless_addtr_insns): Remove unused variable `all'.
8480 (hppa_expand_prologue): Add explicit braces to avoid
8482 (output_function_epilogue): Remove unused variable `i'.
8483 (output_millicode_call): Remove unused variable `link'.
8484 (shadd_constant_p, forward_branch_p): Make the function static.
8485 (following_call): Explicitly declare to return int.
8486 (pa_reorg): Declare as void.
8487 (pa_combine_instructions): Declare as static void. Add
8488 parentheses around && within ||.
8490 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
8491 following_call, function_label_operand, lhs_lshift_cint_operand
8494 * pa.md: Add parentheses around && within ||.
8496 * cppalloc.c: Include stdlib.h.
8498 * cpperror.c (cpp_print_containing_files): Remove unused variable
8499 `i'. Fix format specifier in fprintf.
8501 * cse.c (cse_around_loop): Add explicit braces to avoid
8503 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
8505 * expr.c (expand_expr): Add parentheses around && within ||.
8507 * final.c (app_enable): Replace fprintf with fputs where there are
8508 no format specifiers and no trailing argument after the string.
8509 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
8510 (app_disable): Likewise.
8511 (final_end_function): Likewise.
8512 (final_scan_insn): Likewise. Remove unused variable `set'.
8513 (profile_function): Wrap empty if-statement body in {} brackets.
8515 * function.c: Include stdlib.h.
8516 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
8517 (reposition_prologue_and_epilogue_notes): Add parentheses
8518 around assignment used as truth value.
8520 * integrate.c (expand_inline_function): Wrap variable
8521 `cc0_insn' in macro HAVE_cc0.
8523 * jump.c (jump_optimize): Wrap variable `q' in macro
8524 HAVE_cc0. Remove unused variable `prev1'.
8526 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
8527 within ||. Fix format specifier in fprintf.
8528 (__bb_init_prg): Add parentheses around assignment used as
8531 * local-alloc.c: Include stdlib.h.
8532 (requires_inout): Add parentheses around assignment used
8535 * loop.c (analyze_loop_iterations): Wrap prototype and definition
8536 in macro HAVE_decrement_and_branch_on_count.
8537 (insert_bct, instrument_loop_bct): Likewise.
8538 (move_movables): Add parentheses around assignment used as
8540 (consec_sets_invariant_p): Likewise.
8541 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
8543 * objc/objc-act.c: Include stdlib.h.
8544 (lookup_method_in_protocol_list): Wrap empty else-statement body
8546 (lookup_protocol_in_reflist): Likewise.
8547 (objc_add_static_instance): Remove unused variables `decl_expr'
8549 (get_objc_string_decl): Remove unused variable `decl'.
8550 (generate_static_references): Remove unused variables `idecl' and
8552 (check_protocols): Wrap empty else-statement body in braces.
8554 * protoize.c: Include stdlib.h.
8555 (substr): Add parentheses around assignment used as truth value.
8556 (abspath): Likewise.
8557 (shortpath): Likewise.
8559 * regmove.c (fixup_match_1): Add parentheses around assignment
8560 used as truth value.
8562 * reload.c (push_secondary_reload): Remove unused variable `i'.
8563 (find_reloads): Add parentheses around assignment used as truth
8566 * reload1.c: Include stdlib.h.
8568 * rtl.h: Correct typo in prototype of offsettable_memref_p.
8570 * stmt.c (add_case_node): Add parentheses around assignment used
8572 (case_tree2list): Likewise.
8574 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
8575 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
8576 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
8577 (merge_attributes): Add explicit braces to avoid ambiguous
8580 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
8583 * varasm.c: Include stdlib.h.
8586 * system.h: Remove sys/stat.h.
8587 * gcc.c: Add sys/stat.h.
8589 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
8590 * genattrtab.c: Likewise.
8591 * genconfig.c: Likewise.
8592 * genemit.c: Likewise.
8593 * genextract.c: Likewise.
8594 * genflags.c: Likewise.
8595 * genopinit.c: Likewise.
8596 * genoutput.c: Likewise.
8597 * genpeep.c: Likewise.
8598 * genrecog.c: Likewise.
8599 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
8601 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8603 * invoke.texi: Use @itemx for a secondary item in a @table.
8605 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
8608 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
8610 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
8612 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
8614 * i386.c (struct machine_function): Add new fields for PIC stuff.
8615 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
8617 (restore_386_machine_status): Corresponding changes.
8618 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
8620 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
8622 * c-parse.y (undeclared variable error): Tweak error message
8625 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
8627 * flags.h (g_switch_value, g_switch_set): Declare.
8628 * alpha.c (override_options): Set g_switch_value=8 if not set.
8629 * alpha/elf.h (CC1_SPEC): New.
8631 (LINK_SPEC): Pass along the -G value we were given.
8632 (LOCAL_ASM_OP): Remove.
8633 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
8634 (MAX_OFILE_ALIGNMENT): New.
8635 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
8636 (EXTRA_SECTIONS): Add sbss and sdata.
8637 (SECTION_FUNCTION_TEMPLATE): New.
8638 (EXTRA_SECTION_FUNCTIONS): Use it.
8639 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
8640 (SELECT_SECTION): Use sdata when small enough.
8641 * alpha/linux.h (ASM_SPEC): Remove.
8644 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8645 * config.sub (sco5): Fix typo.
8647 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
8649 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
8651 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
8652 * config/alpha/t-linux: Remove file.
8653 * config/sparc/t-linux: Remove file.
8654 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
8655 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
8656 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
8658 (alpha*-*-linux-gnu*): Likewise.
8659 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
8660 (sparc-*-linux-gnu*): Likewise.
8662 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
8663 * collect2.c (ldd_file_name): Bracket declaration with same
8665 (full_real_ld_suffix): Deleted. Variable was calloced and
8666 written into, but never read.
8668 1998-02-23 Mike Stump <mrs@wrs.com>
8670 * configure.in: Add support for i386-wrs-vxworks configuration.
8671 * i386/vxi386.h: New file.
8673 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8675 * tree.c (contains_placeholder_p): Ensure function always returns
8677 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
8678 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
8680 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
8682 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
8684 1998-02-22 Paul Eggert <eggert@twinsun.com>
8686 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
8687 Define this new symbol.
8688 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
8689 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
8690 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
8692 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
8694 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
8695 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
8697 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
8699 * objc/Object.m (-error): Call objc_verror with our va_list.
8701 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8703 * collect2.c (scan_prog_file): Completely cover uses of variable
8704 `exports' with macro COLLECT_EXPORT_LIST.
8706 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
8708 * version.c: Bump for snapshot.
8710 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
8712 * sched.c (schedule_block): Remove code to get arguments from hard
8713 regs into pseudos early. Same as Aug 25, 1997 change to
8716 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
8718 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
8720 1998-02-16 Mark Mitchell <mmitchell@usa.net>
8722 * toplev.c (rest_of_compilation): Do not defer the output of a
8725 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
8727 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
8728 continuation character (line 243).
8730 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8732 * genrecog.c (main): Remove duplicated sentence in emitted comment.
8734 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
8735 David Edelsohn <edelsohn@mhpcc.edu>
8737 * collect2.c (XCOFF_SCAN_LIBS): Remove.
8738 (export_flag): New variable.
8739 (export_file): #ifdef COLLECT_EXPORT_LIST.
8740 (import_file, exports, imports, undefined): New variables.
8741 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
8742 (dump_list, dump_prefix_list, is_in_list): New functions.
8743 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
8744 (write_import_file, resolve_lib_name): New functions.
8745 (use_import_list, ignore_library): Same.
8746 (collect_exit): maybe_unlink import_file and #ifdef.
8748 (main): New variable importf, #ifdef exportf. Move parsing of
8749 -shared before general argument parsing. Resolve AIX library
8750 paths and import libgcc.a symbols. Treat .so shared libraries the
8751 same as objects and .a libraries. Create alias for object_lst and
8752 increment it instead of original pointer. Scan AIX libraries as
8753 objects earlier instead of using scan_libraries. Perform AIX
8754 tlink later to resolve templates instead of forking ld.
8755 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
8756 (GCC_UNDEF_SYMBOL): New macro.
8757 (scan_prog_file): Loop for members of AIX libraries. Handle
8758 export/import of ctors/dtors.
8759 (aix_std_libs): New variable.
8760 (scan_libraries, XCOFF): Delete.
8762 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
8764 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
8766 1998-02-19 Mike Stump <mrs@wrs.com>
8768 * Makefile.in: Use $tooldir for sys-include to match toplevel
8771 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
8772 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8774 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
8776 * emit-rtl.c (hard-reg-set.h): Include.
8777 (get_lowpart_common): Don't make new REG for hard reg in a
8778 class that cannot change size.
8779 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
8781 * combine.c: Revert previous patch.
8783 1998-02-19 Paul Eggert <eggert@twinsun.com>
8785 * config/sparc/sol2-sld.h: New file.
8786 * configure.in (sparc-*-solaris2*): Use it when using the
8789 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
8791 * loop.c (force_movables): Fix typo.
8793 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
8795 * m88k.h: Change file pattern to match reality.
8797 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
8799 * varasm.c (output_constant_pool): Fix dumb thinko in last
8802 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
8803 a function name to a section name.
8805 1998-02-18 Doug Evans <devans@cygnus.com>
8807 * tree.h (merge_machine_{type,decl}_attributes): Declare.
8808 (split_specs_attrs, strip_attrs): Add prototypes.
8809 * tree.c (merge_machine_{type,decl}_attributes): New functions.
8810 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
8811 Update olddecl's attributes too.
8812 * c-common.c (strip_attrs): New function.
8813 * c-typeck.c (common_type): Call merge_machine_type_attributes.
8814 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
8815 (make_decl_rtl): Likewise.
8817 1998-02-18 Jim Wilson <wilson@cygnus.com>
8819 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
8821 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
8823 Remove this change until we can fix it correctly.
8824 * collect2.c: Bracket declaration of 'exportf' and
8825 'full_real_ld_suffix'.
8827 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8829 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
8831 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8833 * c-common.c (c_expand_start_cond, c_expand_end_cond,
8834 c_expand_start_else): Don't warn about non-ambiguous else even if
8837 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
8839 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
8840 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
8843 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
8845 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
8846 simplifying a subreg of a hard reg.
8847 (expand_compound_operation): Likewise.
8848 (force_to_mode): Likewise.
8850 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8852 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
8853 (lshift_double): Add parentheses around + or - inside shift.
8854 (rshift_double): Likewise.
8855 (size_int_wide): Explicitly set type of `bit_p' to `int'.
8857 * Makefile.in (fold-const.o): Depend on system.h.
8859 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
8862 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
8863 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
8864 (sched_note_set): Remove unused parameter `b', all callers changed.
8865 (schedule_block): Likewise for `rgn'.
8866 (split_hard_reg_notes): Likewise for `orig_insn'.
8867 (check_live): Likewise for `trg'.
8868 (update_live): Likewise.
8869 (check_live_1): Explcitly declare variable `i' as int.
8870 (update_live_1): Likewise.
8871 (insn_issue_delay): Remove unused variable `link'.
8872 (sched_analyze_2): Add default case in enumeration switch.
8873 (schedule_insns): Remove unused variable `i'.
8875 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
8877 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
8879 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
8880 a dangling else clause.
8882 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
8884 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
8885 pointer for the stack pointer in MIPS16 and 64BIT.
8887 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8889 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
8890 * emit-rtl.c (force_line_numbers, restore_line_number_status):
8892 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
8893 (expand_start_case): Adjust to this change.
8894 (check_seenlabel): New function.
8895 (pushcase, pushcase_range, expand_endcase): Use it.
8897 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8899 * i386.md (adddi3): Add =!r,0,0,X alternative.
8901 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
8903 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
8904 * x-aix31 (INSTALL): Delete.
8906 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
8908 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
8909 tsize changes to something other than zero.
8911 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
8913 * ginclude/va-mips.h: Replace casts of pointers to int with
8914 casts of pointers to __PTRDIFF_TYPE__.
8916 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
8918 * loop.c (strength_reduce, record_biv, record_giv): Use
8919 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
8921 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
8923 * tree.c (first_rtl_op): New fn.
8924 (unsave_expr_now): Use it.
8925 * print-tree.c (print_node): Likewise.
8926 * tree.c (has_cleanups): New fn.
8927 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
8928 conservative about pushing the cleanup point down.
8929 * tree.h: Declare them.
8931 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
8933 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
8934 (flag_schedule_reverse_after_reload): Likewise.
8935 (f_options): Remove reverse scheduling support.
8936 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
8937 (flag_schedule_reverse_after_reload): Likewise.
8938 * haifa-sched.c (rank_for_schedule): Remove support for reverse
8941 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8943 * gcc.c: Get system includes, prototypes and macros via "system.h"
8944 instead of doing it manually. Change all calls of the ctype
8945 macros to custom versions defined in "system.h".
8947 * system.h: Fix return type of bcmp prototype from `void' to `int'.
8948 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
8949 Add a prototype for getenv.
8951 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
8953 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
8955 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
8957 * alias.c: Include <stdlib.h> and <string.h>.
8958 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
8960 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
8962 * version.c: Bump for snapshot.
8964 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
8966 * arm.md (movsfcc): Also validate operands[3] when compiling hard
8968 (movdfcc): Only accept fpu_add_operand for operands[3].
8970 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
8971 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
8973 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
8975 * varasm.c (output_constant_pool): Bring back 'done' label inside
8976 an appropriate #ifdef.
8978 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
8980 (bitmap_copy, bitmap_operation): Likewise.
8981 * combine.c (combinable_i3pat): Similarly for 'src'.
8982 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
8983 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
8984 * regclass.c (copy_cost): Similarly for 'secondary_class'.
8985 * reload.c (make_memloc): Simliarly for 'i'.
8986 (find_reloads_address_1): Similarly for 'link'.
8987 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
8988 (emit_reload_insns): Similarly for 'second_reloadreg'.
8989 * unroll.c (iteration_info): Similarly for 'v'.
8991 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
8992 * calls.c (expand_call): Similarly for 'i'.
8993 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
8994 * fold-const.c (strip_compund_expr): Similarly for 'type'.
8995 * function.c (fixup_var_refs_1): Similarly for 'width'.
8996 (fixup_memory_subreg): Similarly for 'saved'.
8997 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
8998 (setjmp_protect): Similarly for 'sub'.
8999 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
9000 * loop.c (record_giv): Similarly for 'p'.
9001 (combine_givs): Similarly for 'temp_iv'.
9002 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
9003 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
9004 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
9005 * unroll.c (unroll_loop): Similarly for 'copy'.
9006 (iteration_info): Similarly for 'b'.
9007 * varasm.c (assemble_string): Similarly for 'i'.
9008 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
9010 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
9012 * c-lang.c (lang_print_xnode): New function.
9013 * objc/objc-act.c (lang_print_xnode): Likewise.
9014 * print-tree.c (print_node): Call it
9016 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
9018 * dwarf2out.c (decl_scope_node): New type.
9019 (decl_scope_table): Change type to use it.
9020 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
9021 (push_decl_scope): Use new type. New locals containing_scope, i.
9022 Add code to handle setting previous field.
9023 (scope_die_for): Change type of local i to int. Add code to use
9025 (dwarf2out_init): Use new type.
9027 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
9029 * except.c (emit_throw): Lose throw_used.
9031 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9033 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
9035 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
9037 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
9039 * genextract.c (main): Fix typo.
9041 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
9043 * c-lang.c (finish_file): Bracket declaration of static_ctors,
9046 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
9047 'old_stack_arg_under_construction'
9048 (emit_library_call): Bracket declaration of 'upper_bound',
9049 'lower_bound', 'i', 'reg_parm_stack_space'
9050 (emit_library_call_value): Likewise.
9053 * collect2.c: include <unistd.h> when appropriate.
9054 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
9056 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
9058 * explow.c (plus_constant_for_output_wide): Remove unused variable
9060 (memory_address): Remove unused variable 'orig_x'.
9062 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
9063 (write_const_num_delay_slots): Remove unused variable 'i'.
9065 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
9066 (gen_insn): Remove unused variable 'obstack_ptr'.
9068 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
9070 (__bb_exit_trace_func): Remove unused variable 'e'.
9072 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
9074 (expand_unop): Remove unused variable 'funexp'.
9075 (expand_complex_abs): Remove unused variable 'funexp'.
9076 (init_optabs): Bracket declaration of 'j'.
9077 (init_complex_libfuncs): Deleted. Dead static function.
9079 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
9081 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
9082 (reg_to_stack): 'initialized', 'before_function_beg'
9083 explictly type as ints instead of defaulting.
9084 (emit_swap_insn): Remove unused variable 'i2'.
9085 (compare_for_stack_reg): Remove unused variable 'src_note'.
9087 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
9089 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
9091 * stmt.c (add_case_node): Add parens for assignment used as truth.
9092 (all_cases_count): Remove unused variable 'count_high'.
9093 (mark_seen_cases): Remove unused variable 'i'.
9094 (check_for_full_enumeration_handling): Remove unused variable 't'.
9095 Bracket declaration of 'all_values', 'l'.
9097 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
9099 * varasm.c (assemble_string): Remove unused variable 'i'.
9100 (immed_double_const): Remove unused variable 'in_current_obstack'.
9101 (immed_real_const_1): Likewise.
9102 (output_constant_pool): Remove unreferenced label 'done'.
9103 (output_constant): Remove unused variable 'x'.
9105 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
9108 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
9111 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9113 * combine.c (can_combine_p): Handle USEs in PARALLELs.
9115 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
9117 * config/linux.h (LIB_SPEC): Add -lc for -shared if
9118 USE_GNULIBC_1 is not defined.
9119 * config/sparc/linux.h; Ditto.
9121 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
9123 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
9124 USE_GNULIBC_1 is not defined.
9126 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
9128 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
9131 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9133 * system.h: New file to get common systems includes and various
9134 definitions and declarations based on autoconf macros.
9136 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
9138 * cccp.c (new_include_prefix): Correctly handle -I./.
9140 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
9142 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
9144 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
9146 * expr.c (expand_assignment): Correct typo exposed by -Wall.
9147 offset should have been a truth value, not an assignment.
9149 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
9151 * cse.c (delete_dead_from_cse): If a libcall produces a constant
9152 result and that result can be substituted into SET_SRC of the
9153 insn with the REG_RETVAL note, then perform the substitution
9154 and delete the libcall.
9156 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
9158 * mips.md (trucndihi2,truncdiqi2): Change these to support
9161 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
9163 * mips/mips.c (movdi_operand): Direct referances to symbols
9164 that arn't mips16 consts in mips16 mode arn't valid operands.
9166 * mips/mips.c (mips_move_2words): Add gprel handling.
9168 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
9170 * mips.md (extendsidi2): Allow extension to/from a non-mips16
9173 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
9175 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
9178 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9180 * Makefile.in (WARN_CFLAGS): New variable.
9181 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
9183 1998-02-11 Mark Mitchell <mmitchell@usa.net>
9185 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
9186 falling through default case in switch.
9187 (i386_aligned_p): Likewise.
9189 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
9191 * mips/mips.h (mips_abi_string): Correct typo in comment.
9193 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
9195 * mips/mips.md (movdi): These PLUS's need to be Pmode.
9197 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9199 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
9200 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
9201 indirectly via expr.h.
9203 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
9205 * stor-layout.c (layout_type): Do upper - lower in the native type,
9206 so as to properly handle negative indices.
9208 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
9210 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
9211 (expand_eh_region_start_tree): Remove unused variable 'note'.
9212 (exception_optimize): Remove unused variable 'regions'.
9213 (expand_builtin_eh_stub): Remove unused variable 'temp'.
9214 (copy_eh_entry): Deleted. Dead function.
9216 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
9217 'last' with same #if HAVE_load_multiple as use of it.
9218 (move_block_from_reg): Likewise.
9219 (emit_move_insn_1): Remove unused variable 'insns'.
9220 (store_constructor): Bracket declaration of startb, endb with
9221 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
9222 'target', and 'xtarget'.
9223 (expand_builtin_setjmp): Remove unused variables 'op0',
9224 'next_arg_reg', 'old_inhibit_defer_pop'.
9225 (expand_builtin): Remove unused variable 'offset'.
9226 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
9227 (emit_queue): Add parens for assignment used as conditional.
9228 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
9230 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
9232 * i386.c: Added include for recog.h.
9233 (override_options): Removed unused variable p. Initialized regno to
9235 (order_regs_for_local_alloc): Initialized regno to avoid warning.
9236 (legitimize_address): Likewise for 'other'.
9237 (i386_aligned_reg_p): Added default case with abort ().
9238 (print_operand): Likewise.
9239 (reg_mentioned_in_mem): Likewise.
9240 (ix86_expand_binary_operator): Removed unused variables i & insn.
9241 (ix86_expand_unary_operator): Removed unused variable insn.
9242 (output_fp_cc0_set): Removed unused variable unordered_label.
9244 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
9246 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
9247 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
9248 and format string match.
9250 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
9252 * flow.c (life_analysis): Do not conside the stack pointer live at
9253 the end of a function if the fucntio ncalls alloca.
9254 (mark_used_regs): Similarly.
9256 1998-02-10 John F Carr <jfc@mit.edu>
9258 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
9259 1, fzero on alternative 8.
9261 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9263 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
9265 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9267 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
9268 SUBREGs of CONST_INTs.
9270 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
9272 * mips.c (print_operand, function_prologue): Make printf format
9273 match argument type.
9275 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9277 * alpha.c (alpha_return_addr): Remove unused variable `first'.
9278 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
9279 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
9281 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9283 * loop.c (strength_reduce): When placing increment for auto-inc
9284 case, do comparison in loop order.
9286 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
9288 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
9289 not a HOST_WIDE_INT.
9291 * calls.c (expand_call): Change test of expand_inline_function
9292 return value to stop compiler warning.
9294 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
9296 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
9297 Jeff Law (law@cygnus.com)
9299 * regmove.c: Fix various minor formatting problems.
9300 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
9301 is true. Make end of basic block tests consistent through regmove.c.
9302 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
9303 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
9305 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9307 * gansidecl.h: Check for a conflicting macro definition before
9308 attempting to prototype bcopy, bcmp or bzero.
9310 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
9312 * expr.c (clear_pending_stack_adjust): Handle case where a function
9313 calls alloca, but the user has specified -fomit-fframe-pointer.
9315 * function.c (assign_parms): Fix typo in last change.
9317 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
9319 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
9321 (free_path_suffix): Remove unreferenced static function.
9322 (process_command): Remove unused variable temp.
9323 (default_arg): Remove unused variable i.
9324 (do_spec_1): Add parens for assignment used as truth value.
9326 (validate_all_switches): Likewise.
9327 (main): Remove unused variables i, first_time>
9329 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
9331 * calls.c (expand_call): Remove unused variables funtree,
9332 n_regs, and tmpmode.
9334 * dbxout.c, except.c: Include <string.h>/<strings.h>.
9336 * explow.c: (plus_constant_for_output_wide) Removed unused
9337 variable all_constant.
9339 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
9340 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
9341 genrecog.c, global.c, integrate.c , stupid.c : Include
9344 * genextract.c: (walk_rtx) Remove unused variable link.
9346 * genrecog.c: (concat) Remove unreferenced static function.
9348 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
9350 * stmt.c: Include <stdlib.h>.
9351 (expand_asm_operands): Remove unused variable val1.
9352 (expand_return): Remove unused variable block.
9353 (pushcase): Remove unused variables l and n.
9354 (pushcaserange): Likewise.
9356 * unroll.c (unroll_loop): Remove unused variable temp.
9358 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
9360 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
9362 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9364 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
9365 functions for whether they support the %p format specifier.
9366 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
9367 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
9368 * configure, config.in: Rebuild.
9370 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
9372 * function.c (assign_parms): New variable named_arg, with value
9373 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
9375 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
9377 * mips/t-r3900: New - same as t-ecoff but eliminate
9378 multilibs: mips1 and mips3.
9379 * configure.in (tx39*): Use new mips/t-r3900.
9380 * configure: Rebuild.
9381 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
9383 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
9385 * dwarf2out.c: Add old_args_size.
9386 (dwarf2out_args_size): Use it.
9387 (dwarf2out_begin_prologue): Initialize it.
9388 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
9389 pushed args until we see a call.
9390 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
9391 before outputting them.
9393 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
9395 * cplus-dem.c (demangle_template_template_parm): New function.
9396 (demangle_template): Handle template template parameters.
9398 1998-02-02 Mark Mitchell <mmitchell@usa.net>
9400 * calls.c (expand_call): Don't confuse member functions named
9401 realloc, setjmp, and so forth with the standard library
9402 functions of the same names.
9404 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
9406 * stmt.c (expand_asm_operands): Correctly identify asm statements
9409 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9411 * c-common.c (decl_attributes): Flag unrecognized attribute
9412 functions as warnings instead of as errors.
9414 1998-02-05 Marc Lehmann <pcg@goof.com>
9416 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
9417 when -Os is specified.
9418 * toplev.c (main): Don't disable flag_inline_functions anymore when
9421 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9423 * regmove.c: Update.
9424 * flags.h (flag_regmove): Declare.
9425 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
9426 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
9427 Moved into regmove; changed caller.
9428 * toplev.c (rest_of_compilation): Call regmove_optimize also for
9429 expensive_optimizations.
9431 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
9433 * version.c: Bump for snapshot.
9435 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9436 Undo this change (the problem was actually in reload):
9437 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9439 * sh.md (movqi_i+1): New peephole.
9441 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
9443 * jump.c (jump_optimize): Lose calls to modified_in_p they are
9444 not needed anymore due to changes elsewhere in jump.c.
9446 * jump.c (jump_optimize): Fix first arg to modified_in_p in
9449 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
9451 * expr.c (expand_builtin_setjmp): Accept two new arguments for
9452 the labels to branch to on first and subsequent executions. Don't
9453 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
9454 and provide it with the jmp_buf. Use only one of
9455 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
9456 and provide the former with the target label.
9457 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
9458 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
9459 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
9460 insn to replace all of the normal nonlocal_goto code. Don't play
9461 with __dummy. Correct arguments to nonlocal_goto.
9462 * expr.h (expand_builtin_setjmp): Update prototype.
9463 * except.c (start_dynamic_handler): When using builtin_setjmp,
9464 generate more accurate flow information.
9466 * alpha.md (nonlocal_goto_receiver_osf): Delete.
9467 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
9468 (builtin_longjmp, builtin_setjmp_receiver): New.
9469 * sparc.md (update_return): Disambiguate unspec number.
9470 (nonlocal_goto): Rearrange arguments to match caller in except.c.
9471 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
9473 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
9474 (builtin_setjmp_setup*, builtin_longjmp): New.
9476 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
9478 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
9480 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
9482 * vmsconfig.com: Remove bytecode references.
9484 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9486 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
9487 -fno-sjlj-exceptions works for a target that defines
9488 DWARF2_UNWIND_INFO as zero.
9490 * regmove.c (fixup_match_1): Undo last change which removed some
9491 "useless" code, and add a comment explaining this.
9493 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
9495 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
9498 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
9500 * makefile.vms: Remove bytecode references.
9501 Create genrtl files.
9503 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
9505 * jump.c (jump_optimize): Allow conditional loading of floating point
9506 constants and constants from memory. Reinstalled modified_in_p tests.
9508 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9510 * loop.c (get_condition): Handle sign-extended constants.
9512 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
9514 * expr.c (emit_push_insn): Add code to use movstrti if present.
9516 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
9517 and movstrqi as in emit_block_move ().
9519 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
9521 * config/m68k/x-next: Remove /NextDeveloper/Headers from
9522 the directories to fixinclude - /usr/include is a link
9523 to it and hence its contents are fixed by default.
9525 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
9527 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
9529 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
9531 * cccp.c (main): Predefine __VMS_VER on VMS.
9533 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9535 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
9536 * fold-const.c (size_int): Replace with
9538 (make_bit_field_ref): Use bitsize_int for bit position.
9539 * stor-layout.c (sizetype): Delete.
9540 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
9541 (layout_record, layout_union, layout_type):
9542 Use bitsize_int for bit size.
9543 (set_sizetype): New function.
9544 (make_signed_type, make_unsigned_type): Use it.
9545 * c-decl.c (init_decl_processing): Likewise.
9546 * tree.h (size_int): Don't delcare, #define.
9547 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
9548 (set_sizetype): Declare.
9549 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
9551 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
9552 Convert result to sizetype.
9553 (really_start_incremental_init, push_init_level):
9554 Set type of constructor_bit_index to sbitsizetype.
9555 (push_init_level): Use unsigned arithmetic to determine padding.
9556 (output_init_element): Likewise.
9558 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
9560 * combine.c (simplify_shift_const): Fix typo in last change.
9562 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
9564 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
9565 is (truncate (lshiftrt)).
9567 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
9569 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
9570 Make sure result winds up in TGT.
9571 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
9572 src to be other than DImode.
9573 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
9574 (alpha_expand_unaligned_store_words): Likewise.
9575 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
9576 that source and destination are separately optimized for alignment.
9577 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
9579 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
9581 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
9582 with handling of -32768.
9584 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9586 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
9587 shell variable argument instead of only hard coded functions.
9588 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
9590 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
9591 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
9592 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
9593 declarations for bcopy, bcmp and bzero.
9595 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
9597 * gansidecl.h: If we have bcopy but don't declare it, then do so.
9598 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
9599 bzero, index and rindex if they aren't already present.
9601 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
9603 * toplev.c (close_dump_file): Wrap function prototype for
9604 argument "func" in PROTO.
9605 (dump_rtl): Likewise.
9607 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
9609 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
9611 (output_function_epilogue): Omit epilogue if nothing drops through.
9612 (output_move_double): Supress int ldd usage on ultrasparc and v9.
9613 (registers_ok_for_ldd_peep): Likewise.
9614 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
9615 (ultrasparc_adjust_cost): New function.
9616 (sparc_issue_rate): New function.
9617 * sparc.h (MASK_VIS, TARGET_VIS): New
9618 (MASK_V8PLUS, TARGET_V8PLUS): New.
9619 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
9620 (TARGET_SWITCHES): Add vis and v8plus.
9621 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
9622 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
9623 (RTX_COSTS): Use TARGET_HARD_MUL
9624 (ADJUST_COST): Call ultrasparc_adjust_cost.
9626 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
9627 of load & fp appropritely.
9628 (supersparc function units): Adjust for Haifa.
9629 (ultrasparc function units): Likewise.
9630 (get_pc_via_rdpc): All v9, not just arch64.
9631 (movdi_v8plus, movdi_v8plus+1): New.
9632 (adddi3_sp32+1): New.
9633 (subdi3_sp32+1): New.
9634 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
9635 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
9636 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
9637 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
9638 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
9639 (ldd peepholes): Suppress for v9.
9640 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
9641 (return_subsi): Revmove.
9643 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
9645 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
9646 save/restore MEM rtl.
9648 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
9650 * configure.in: Check for declaration of abort.
9651 * acconfig.h: Corresponding changes.
9652 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
9655 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
9657 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
9660 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
9662 * version.c: Bump for snapshot.
9664 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
9666 * configure.in: Check for atoq and atoll.
9667 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
9668 proper routine for converting ascii into long long values.
9670 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
9672 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
9674 * vmsconfig.com: Remove bytecode references.
9676 * alpha/vms.h (PREFIX): Define.
9678 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9680 * am-alpha.h: Don't include alloca for OPEN_VMS.
9682 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
9684 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
9685 (GCC_INCLUDE_DIR): Define
9687 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
9688 * makefile.vms: New file.
9690 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
9692 * alpha.c (output_prolog): Output '.name' directive
9693 for minimal traceback information.
9695 * alpha.c (output_prolog): Don't prepend entry point symbols
9696 with '$' on OPEN_VMS.
9698 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
9699 Jeffrey A Law (law@cygnus.com)
9701 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
9704 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
9706 * genemit.c (gen_exp): Likewise.
9707 * genpeep.c (match_rtx): Likewise.
9708 * genrecog.c (write_tree_1): Likewise.
9710 * c-lex.c (yyprint): Use proper format string based upon
9711 disposition of HOST_BITS_PER_WIDE_INT.
9712 (yylex): Put casts in right place for args to build_int_2.
9714 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
9716 * combine.c: Fix typos in Jan27 changes.
9718 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
9720 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
9721 (LINK_SPEC): Likewise.
9722 (STARTFILE_SPEC): Likewise.
9724 1998-01-28 Mike Stump <mrs@wrs.com>
9726 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
9728 * genattrtab.c (reload_completed): Define.
9730 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
9733 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9735 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
9736 SUBREG_REG if the word count is unchanged, also in the input reload
9737 case. Disable non-applicable sanity checks.
9739 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
9741 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
9743 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
9745 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
9747 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
9749 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
9750 is a TREE_VEC before trying to use it for baseclasses.
9751 (Chill uses the same field for a different purpose.)
9753 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
9755 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
9757 * config.sub: More accurate determination of HP processor types.
9759 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9761 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
9762 prototype for `handle_sysv_pragma', and make it static. Add
9763 parentheses around assignment used as truth value.
9765 * combine.c (combine_instructions): Protect variable `prev' with
9767 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
9768 (extract_left_shift): Add parentheses around operand of &.
9769 (merge_outer_ops): Avoid an empty body in an else-statement.
9770 (gen_rtx_combine): Remove unused variable `i'.
9772 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
9773 function monstartup `void'. Likewise for internal_mcount. Add
9774 `static void' prototype for moncontrol. Reconcile sprintf format
9777 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
9778 Make return type of function_arg_slotno explicitly `int'.
9779 (reg_unused_after): Add parentheses around assignment used as
9781 (save_regs): Add explicit braces to avoid ambiguous `else'.
9782 (function_arg_slotno): Add parentheses around && within ||.
9783 (function_arg_pass_by_reference): Likewise.
9784 (sparc_flat_output_function_prologue): Reconcile fprintf format
9787 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9788 assignment used as truth value.
9790 * cplus-dem.c: Include <stdlib.h>.
9791 (demangle_signature): Avoid an empty body in an else-statement.
9792 (do_type): Remove unused variable `lvl'.
9794 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
9795 Include <string.h>/<strings.h>.
9796 (cpp_lex): Remove unused variable `namelen'.
9797 (cpp_lex): Explicitly declare `num_chars' as an int.
9799 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
9800 <unistd.h> instead. Explicitly declare is_system_include
9802 (make_assertion): Remove unused variable `kt'.
9803 (cpp_expand_to_buffer): Hide variable `obuf'.
9804 (output_line_command): Remove unused variables, `line_end',
9805 `line_cmd_buf' and `len'.
9806 (macarg): Remove unused variable `arg_start'.
9807 (special_symbol): Remove unused variable `i'. Add parentheses
9808 around assignment used as truth value.
9809 (do_include): Remove unused variables `pcfname' and `retried',
9810 hide `pcf' and `pcfbuflimit'.
9811 (do_line): Remove unused variable `i'.
9812 (finclude): Hide variable `missing_newline'.
9813 (cpp_handle_options): Remove unused variable `j'.
9814 (read_token_list): Remove unused variable `eofp'.
9815 (cpp_error_with_line): Remove unused variable `i'.
9816 (cpp_warning_with_line): Likewise.
9817 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
9818 (cpp_error_from_errno): Remove unused variable `i'.
9820 * cse.c (invalidate): Add parentheses around assignment used as
9822 (find_best_addr): Move declaration of variable `our_cost' inside
9823 the conditional macro where its used.
9824 (fold_rtx): Avoid an empty body in an if-statement.
9825 (cse_insn): Wrap variables `this_insn_cc0_mode' and
9826 `this_insn_cc0' in macro HAVE_cc0.
9828 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
9829 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
9830 (output_uleb128): Likewise.
9831 (output_sleb128): Likewise.
9832 (output_cfi): Likewise.
9833 (output_call_frame_info): Remove unused variables `j', `fde_size'
9835 (comp_unit_has_inlines): Hide declaration as per rest of file.
9836 (size_of_line_prolog): Correct typo in prototype.
9837 (add_arange): Likewise.
9838 (output_aranges): Likewise.
9839 (add_name_and_src_coords_attributes): Likewise.
9840 (gen_array_type_die): Likewise.
9841 (gen_inlined_subroutine_die): Likewise.
9842 (equate_decl_number_to_die): Remove unused variable `i'.
9843 (print_die): Reconcile format vs. args in fprintf's.
9844 (print_dwarf_line_table): Likewise.
9845 (output_die): Likewise.
9846 (output_line_info): Likewise.
9847 (add_subscript_info): Avoid an empty body in an else-statement.
9848 (gen_subprogram_die): Remove unused variable `fp_loc'.
9850 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
9851 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
9852 macro. Protect `src_coords_attribute' prototype with
9853 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
9854 prototype as in the rest of the file. Likewise for
9855 `output_pointer_type_die' and `output_reference_type_die'. Remove
9856 prototype for `type_of_for_scope'.
9857 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
9858 (type_attribute): Add explicit braces to avoid ambiguous `else'.
9860 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
9861 (shorten_branches): Protect declaration of tmp_length with
9862 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
9863 (profile_function): Protect declaration of `sval' and `cxt'
9864 variables with appropriate macros.
9865 (final_scan_insn): Likewise for `note' variable. Add explicit
9866 braces to avoid empty body in an if-statement.
9867 (output_asm_insn): Move variable `i' inside macro conditional
9868 where it is used. Add parentheses around assignment used as truth
9870 (asm_fprintf) Likewise, likewise.
9872 * fix-header.c (main): Remove unused variable `done'. Protect
9873 declaration of `i' with FIXPROTO_IGNORE_LIST.
9875 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
9877 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
9880 * profile.c: Include <string.h>/<strings.h>.
9881 (instrument_arcs): Remove unused variables `note', `inverted',
9882 `zero' and `neg_one'.
9883 (branch_prob): Avoid empty body in an if-statement.
9885 * regclass.c: Include <stdlib.h>.
9886 (reg_alternate_class): Explicitly declare parameter `regno'.
9888 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
9889 parentheses around assignment used as truth value.
9890 (find_matches): Remove unused variables `output_operand' and
9892 (fixup_match_1): Remove statement with no effect: "if (0) ;".
9894 * scan.c (sstring_append): Explicitly declare `count' as int.
9895 (scan_string): Explicitly declare parameter `init' as int.
9897 * sched.c: Include <stdlib.h>.
9898 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
9899 (rank_for_schedule): Add parentheses around assignment used as
9901 (schedule_block): Likewise.
9902 (regno_use_in): Likewise.
9903 (schedule_insns): Remove unused variable `i'.
9905 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
9906 (v_message_with_decl): Remove unused variable `n'.
9907 (botch): Explicitly declare parameter `s' as char *.
9908 (main): Add parentheses around assignment used as truth value.
9910 * tree.c (make_node): Protect the variable `kind' with the
9911 GATHER_STATISTICS macro.
9912 (real_value_from_int_cst): Move variable `e' inside conditional
9913 macro area where it is used.
9914 (tree_last): Add parentheses around assignment used as truth value.
9915 (build1): Protect the variable `kind' with the GATHER_STATISTICS
9917 (print_obstack_statistics): Reconcile format vs. args in fprintf.
9918 Protect variables `i', `total_nodes', and `total_bytes' with the
9919 GATHER_STATISTICS macro.
9921 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
9923 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
9924 some comments regarding use of dead_or_set_p.
9926 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
9928 * fixincludes: Tweak fix for struct exception in math.h
9930 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
9932 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
9933 Change mode of registers used to add/sub from
9934 hard_frame_pointer_rtx from word_mode to Pmode.
9936 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
9938 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
9939 asm_output_aligned_bss() instead of asm_output_bss().
9941 * toplev.c (rest_of_compilation): Replace references to
9942 stack_reg_dump_file and dbr_sched_dump_file with references to
9945 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9947 * tlink.c (scan_linker_output): Call fclose() for opened files.
9949 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
9951 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
9952 compiling with -fpic -- we want to be able to override symbols
9954 (alpha_expand_block_move): Fix thinko in last change.
9956 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
9957 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
9958 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
9960 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
9962 * alpha.md (abssf, absdf): Revert last change.
9964 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
9966 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
9967 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
9969 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
9971 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
9972 a CONST_INT into SFmode.
9974 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
9976 * flags.h: New flag (optimize_size).
9977 * toplev.c (main): Parse -Os option and set optimize_space
9979 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
9980 __OPTIMIZE_SIZE__ when compiling with -Os.
9981 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
9982 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
9983 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
9985 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
9987 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
9989 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
9990 stuff only if MCT_TEXT is #define'd.
9992 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
9994 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
9997 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
9999 * toplev.c: Add -dM command line option to dump RTL after the
10000 machine dependent reorganisation pass, if there is one.
10001 Reorganise RTL dump code, so that only one file handle is
10004 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
10006 * except.c (check_exception_handler_labels): Disable warning when
10009 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
10011 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
10013 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10015 * c-decl.c (grokdeclarator): Get parameter tags from
10016 last_function_parm_tags.
10017 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
10018 traversing the parameter types.
10019 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
10021 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
10023 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
10025 (get_shift_alg): Fix typo.
10027 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
10029 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
10031 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
10033 * toplev.c (get_run_time): Make sure each case gets its variables.
10035 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
10037 * configure.in (build_xm_file): Add auto-config.h if host=build.
10038 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
10039 (build_xm_file_list): Likewise.
10040 * configure: Rebuild.
10042 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
10044 * recog.c (validate_replace_rtx_1): Only perform substitutions
10045 of arguments to commutative and comparison operators once.
10047 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10049 * sparc.c (output_cbranch): Add default case in
10050 enumeration switch.
10052 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
10053 (emit_delay_sequence): Eliminate unused parameter, all callers
10055 (fill_simple_delay_slots): Likewise.
10056 (fill_slots_from_thread): Likewise.
10057 (fill_eager_delay_slots): Likewise.
10058 (mark_referenced_resources): Add default case in enumeration switch.
10059 (mark_set_resources): Likewise.
10060 (rare_destination): Likewise.
10061 (mostly_true_jump): Likewise.
10062 (find_dead_or_set_registers): Likewise.
10063 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
10064 (update_reg_unused_notes): Remove unused variable `p'.
10065 (mark_target_live_regs): Remove unused variables `next' and
10067 (fill_simple_delay_slots): Remove unused variable `j'.
10068 (fill_slots_from_thread): Add parentheses around assignment used
10070 (dbr_schedule): Likewise.
10072 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
10073 (objc.stage2, objc.stage3, objc.stage4): Likewise.
10075 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
10077 * cse.c (simplify_ternary_operation): Don't try to simplify
10078 IF_THEN_ELSE expressions (created by combine) that don't use
10079 relational operators.
10081 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
10083 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
10086 * crtstuff.c (init_dummy): Keep the epilogue in the init
10087 section for non-ELF systems.
10089 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10091 * sh.md (movqi_i+1): New peephole.
10093 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
10095 * Makefile.in: Remove remaining bytecode stuff.
10096 * emit-rtl.c, expr.c: Likewise.
10098 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
10100 * toplev.c (lang_options): Add unknown-pragma options.
10102 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
10104 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
10105 special (and incomplete) handling for Chill arrays.
10107 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
10109 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
10112 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
10114 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
10116 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
10118 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
10119 .frame directive instead of FRAME_POINTER_REGNUM.
10121 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
10123 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
10124 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
10125 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
10126 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
10127 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
10128 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
10129 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
10130 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
10132 * longlong.h: Replace __mc68332__ with __mcpu32__.
10134 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
10136 * version.c: Bump for snapshot.
10138 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
10140 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
10141 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
10142 * reload1.c (eliminate_regs): Likewise.
10144 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
10146 * regmove.c (find_matches): Initialize matches->earlyclobber too.
10148 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
10150 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
10151 (negsf2, negdf2): Use proper subtract in IEEE mode.
10153 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
10155 * Makefile.in: Remove more bytecode stuff.
10156 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
10157 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
10158 * f/install.texi, objc/Make-lang.in: Likewise.
10160 * Makefile.in: Remove all bytecode support.
10161 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
10162 * emit-rtl.c: Remove all bytecode support.
10163 * expr.c, expr.h function.c, integrate.c: Likewise.
10164 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
10165 * tree.h, varasm.c: Likewise.
10166 * config/m68k/m68k.h: Likewise.
10167 * bi-*, bc-*, bytecode*: Delete bytecode related files.
10168 * modemap.def: Likewise.
10170 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
10172 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
10173 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
10175 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
10177 * i386.md (push): Prohibit symbolic constants if flag_pic.
10178 (movsi+1): Likewise for move to non-register.
10180 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
10182 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
10183 (print_operand): Handle 0xffffffff on 32 bit host.
10185 * configure.in (thread_file): Rename uses before main loop to
10186 target_thread_file. Initialize to empty in main loop. Set thread_file
10187 to target_thread_file after main loop if not set.
10188 * configure: Rebuild.
10190 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
10191 (add_values_to_cover): Revert last change (which had no ChangeLog
10193 (simplify_with_current_value_aux): Handle CONST_INT.
10195 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10197 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
10199 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
10201 * configure.in: Add cpp stringify test.
10202 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
10203 * gengenrtl.c: Use it.
10204 * configure, config.in: Rebuild.
10206 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10208 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
10210 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
10212 * configure.in: Find declaration for sbrk.
10213 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
10214 * config.in, configure: Rebuild.
10215 * mips-tfile.c: Properly protect declaration of sbrk and free.
10216 * toplev.c: Properly protect declaration of sbrk.
10218 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
10220 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
10222 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
10224 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
10226 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
10228 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
10230 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
10232 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
10233 constant offset computations from objects with known alignment in
10234 the presence of STACK_BIAS.
10236 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
10238 (const_hash): Hash val is unsigned long.
10239 (SYMHASH): Likewise.
10241 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
10243 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
10244 char pointer, not HOST_WIDE_INT.
10245 (print_node): Likewise. Also hash is unsigned long not
10248 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
10250 * explow.c (optimize_save_area_alloca): New function for targets
10251 where SETJMP_VIA_SAVE_AREA is true.
10252 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
10253 compute the amount of stack space needed should we find later that
10254 setjmp is never called by this function, stuff rtl for this inside
10255 a REG_NOTE of the final SET of stack_pointer_rtx.
10256 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
10257 current_function_calls_alloca, call optimize_save_area_alloca.
10259 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
10261 * i386.md: Remove redundant integer push patterns.
10262 Don't bother checking for TARGET_PUSH_MEMORY when
10263 pushing constants or registers.
10265 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
10266 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
10268 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
10269 (pwait): New function for mingw32.
10271 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
10272 pipe support is broken for now.
10274 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
10276 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
10277 between frame_pointer_rtx, hard_frame_pointer_rtx, and
10278 arg_pointer_rtx is respected in initialization.
10279 (init_emit_once): Use gen_rtx_raw_REG() to create
10280 return_address_pointer_rtx.
10282 * reorg.c: #include "expr.h" for rtx prototypes.
10283 * Makefile.in (reorg.o): Depend on expr.h
10285 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
10287 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
10288 local_prefix to sub-make invocations.
10290 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
10292 * objc-parse.c: Recognize protocol qualifiers in class definitions.
10294 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
10296 * rtl.h: Fix typos.
10298 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
10299 * configure.in: Check for atol.
10300 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
10302 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
10304 * loop.c (find_and_verify_loops): When attempting to move insns from
10305 inside the loop outside the loop, create a BARRIER if no suitable
10308 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
10309 favor of an equivalent change from gcc-2.8.
10311 * i386/x-sco5 (CC): Remove trailing whitespace.
10313 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10315 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
10316 (accessor_from_format): Likewise.
10317 (xmalloc): New function for use when linking with alloca.o.
10319 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
10321 * frame.c (find_fde): Correct FDE's upper bound.
10323 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
10325 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
10327 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
10329 * calls.c (expand_call): Move #ifdef code out of macro argument
10331 (emit_library_call, emit_library_call_value): Likewise.
10333 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
10335 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
10337 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
10339 * version.c: Bump for snapshot.
10341 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
10343 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
10344 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
10345 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
10346 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
10347 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
10348 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
10349 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
10350 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
10351 * unroll.c, varasm.c: Likewise.
10352 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
10354 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
10356 * mips.h: Fix some type-o's from a previous change.
10358 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
10360 * loop.c (check_dbra_loop): Make sure initial value is a
10361 CONST_INT before trying to normalize it.
10363 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
10365 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
10367 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
10369 * cppexp.c: Include gansidecl.h
10371 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
10373 * svr4.h (LINK_SPEC): Never specify -h.
10374 * ptx4.h (LINK_SPEC): Likewise.
10375 * rs6000/sysv4.h (LINK_SPEC): Likewise.
10376 * sparc/sol2.h (LINK_SPEC): Likewise.
10378 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
10380 * c-typeck.c (comptypes): Exit early on NULL input.
10382 * haifa-sched.c (schedule_insns): Correctly remove inter-block
10383 dependencies after reload.
10385 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
10387 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
10389 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
10391 * alpha/vms.h (DIR_SEPARATOR): define
10393 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
10395 * Makefile.in (stamp-proto): Remove.
10396 (protoize.o, unprotoize.o): Straightforward compile.
10397 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
10399 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
10401 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
10402 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
10404 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
10406 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
10407 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
10408 * sparc/netbsd.h, vax/netbsd.h: Likewise.
10410 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
10412 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
10414 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
10416 * configure.in (target_cpu_default, target_cpu_default2): Use double
10417 quotes around them when testing their value.
10418 * configure: Rebuilt.
10420 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
10422 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
10424 (gendef): Call obstack_alloc_rtx.
10426 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
10428 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
10431 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
10433 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
10434 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
10435 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
10437 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
10439 * mips.md (return_internal): Change mode from SImode to VOIDmode.
10441 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
10443 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
10446 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
10448 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
10449 suffix from operand 3.
10451 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10452 Jeffrey A Law (law@cygnus.com)
10454 * regmove.c: New implementation of regmove pass.
10455 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
10456 decls, make them have external linkage. Return a value from
10457 optimize_reg_copy_1.
10458 * reload.h (count_occurrences): Add decl.
10459 * reload1.c (count_occurrences): Delete decl, make it have external
10461 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
10463 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
10465 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
10466 if it is not defined.
10468 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
10470 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
10471 * emit-rtl.c (gen_rtx): Move special code to ...
10472 (gen_rtx_CONST_INT): New function.
10473 (gen_rtx_REG): New function.
10474 (*): Update all calls to gen_rtx.
10475 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
10476 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
10477 (GEN_INT): Call gen_rtx_CONST_INT.
10478 * gengenrtl.c: New file.
10480 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
10482 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
10483 (base_alias_check): If no base found for address call canon_rtx and
10486 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
10488 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
10489 arguments for mips16.
10490 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
10491 Don't lose if tsize is zero after handling large stack for mips16.
10492 * mips.md (return): For trivial return, return address is in $31.
10494 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
10496 * mips/mips16.S: Various changes to make it work with -msingle-float
10499 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
10500 Ian Lance Taylor <ian@cygnus.com>
10501 Jeff Law <law@cygnus.com>
10503 * mips.c, mips.h, mips.md: First cut at merging in mips16
10504 support. Major modifications throughout all three files.
10506 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
10508 * configure.in: Make gthr-default.h a forwarding header instead of
10511 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10513 * gcov-io.h: Include sys/types.h to ensure we get size_t.
10515 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
10517 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
10518 Jeffrey A Law (law@cygnus.com)
10520 * crtstuff.c (__frame_dummy): New function for irix6.
10521 (__do_global_ctors): Call __frame_dummy for irix6.
10522 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
10524 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
10526 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
10528 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
10530 * c-decl.c (init_decl_processing): Provide proper fallback symbol
10531 for __builtin_memset.
10532 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
10533 not INTEGER_CST. Assert arg 3 is a constant.
10535 * alpha.c (mode_width_operand): Accept 64-bit modes.
10536 (mode_mask_operand): Likewise.
10537 (print_operand): Likewise for 'M' and 'U' codes.
10538 (alpha_expand_unaligned_load): New function.
10539 (alpha_expand_unaligned_store): Likewise.
10540 (alpha_expand_unaligned_load_words): Likewise.
10541 (alpha_expand_unaligned_store_words): Likewise.
10542 (alpha_expand_block_move): Likewise.
10543 (alpha_expand_block_clear): Likewise.
10544 * alpha.h (MOVE_RATIO): New define.
10545 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
10546 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
10548 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
10549 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
10551 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
10553 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
10554 * configure: Update.
10556 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
10558 * emit-rtl.c (operand_subword): Correctly handle extracting a word
10559 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
10561 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
10562 for first argument.
10564 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
10566 * configure.in: Set and subsitute host_exeext. Use it when creating
10567 the assembler and linker symlinks.
10568 * configure: Rebuild.
10569 * Makefile.in (exeext): Set to @host_exeext@.
10570 (build_exeext): New variable, set to @build_exeext@.
10571 (FLAGS_TO_PASS): Pass down build_exeext.
10572 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
10575 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
10577 * mn10200.md (addsi3, subsi3): Fix thinkos.
10579 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
10581 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
10582 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
10583 unix always, since we want to be able to thunk to functions in a
10584 shared library from an application.
10586 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
10588 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10589 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
10591 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
10593 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
10594 offset's mode is not ptr_mode, convert it.
10596 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
10598 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
10599 compiling if it was already defined.
10601 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
10603 * flow.c (find_basic_blocks): Don't create a new basic block
10604 for calls in a LIBCALL block.
10606 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
10608 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
10610 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
10612 * cse.c (rtx_cost): Remove conflicting default case.
10614 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
10616 * configure.in: Move default enabling of Haifa out of for loop.
10617 * configure: Rebuild.
10619 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
10621 * version.c: Bump for snapshot.
10623 1997-12-25 Teemu Torma <tot@trema.com>
10625 * Makefile.in (GTHREAD_FLAGS): New var.
10626 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
10627 (distclean): Remove gthr-default.h.
10629 * configure.in: Accept dce as a thread package.
10630 Check for thread.h and pthread.h.
10631 Link gthr-default.h to appropriate thread file and set
10633 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
10634 include multilib definitions from pa/t-dce-thr.
10635 (sparc-*-solaris2*): Enable threads by default, if thread.h or
10636 pthread.h is found, preferring posix threads over solaris ones.
10638 * config/pa/t-dce-thr: New file.
10639 * config/pa/t-pa: Removed multilibs.
10640 * config/sparc/t-sol2: Ditto.
10642 * gthr.h: New file.
10643 * gthr-single.h: New file.
10644 * gthr-posix.h: New file.
10645 * gthr-solaris.h: New file.
10646 * gthr-dce.h: New file.
10647 * libgcc-thr.h: Removed.
10648 * objc/thr-dce.c: New file copied from thr-decosf1.c.
10650 * frame.c: Include gthr.h instead of libgcc-thr.h.
10651 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
10652 (eh_context_initialize): If __gthread_once fails, use static eh
10654 (eh_context_free): Call __gthread_key_dtor.
10656 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
10658 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
10660 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
10662 * cse.c (max_insn_uid): New variable.
10663 (cse_around_loop): Use max_insn_uid.
10664 (cse_main): Set max_insn_uid.
10666 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
10667 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
10668 -mlong64, and -mgp{32,64} options.
10669 * mips.c (mips_abi): Change type to int.
10670 * mips.h (enum mips_abi_type): Delete.
10671 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
10672 (mips_abi): Change type to int.
10674 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
10676 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
10677 optimization is now always enabled.
10679 * calls.c (expand_call): Recognize C++ operator new as malloc-like
10682 * alias.c (memrefs_conflict_p): Eliminate tests now done by
10684 (*_dependence): Call canon_rtx before base_alias_check.
10685 (init_alias_once): New function to precompute set of registers which
10686 can hold Pmode function arguments.
10688 * rtl.h: Declare init_alias_once.
10690 * toplev.c (compile_file): Call init_alias_once.
10692 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
10694 * tree.c (restore_tree_status): Do not dereference a null pointer.
10696 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
10698 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
10699 RLIMIT_STACK. This maintains consistency with the recent, similar
10700 patch to cccp.c and toplev.c.
10702 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
10704 * genattrtab.c (expand_units): For large nr opclasses, expand
10705 function_units_used with ORX to prevent blowups. Tag with FFS.
10706 (num_unit_opclasses): New variable.
10707 (gen_unit): Update it.
10708 (enum operator): Add ORX_OP.
10709 (operate_exp): Treat ORX as or, except don't expand across an if.
10710 Reuse number rtx's after operating on them.
10711 (check_attr_value): Accept IOR, AND, & FFS.
10712 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
10713 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
10714 (write_expr_attr_cache, write_toplevel_expr): New functions.
10715 (write_attr_get): Handle FFS-tagged expressions.
10716 (make_canonical): Don't expand const attributes.
10717 (convert_const_symbol_ref): Dike out.
10718 (evaluate_eq_attr): Handle SYMBOL_REF.
10719 (main): Don't emit get_attr_foo for const attributes.
10721 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
10722 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
10723 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
10724 * alpha.md: Redo all of the scheduling, adding EV6 support, and
10725 combining function units where possible.
10726 (attr "type"): Split loads, stores, cmov into int/fp. Combine
10727 multiplies and divides. Add EV6 sqrt, ftoi, itof.
10728 (attr "opsize"): New attribute.
10729 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
10730 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
10731 to control register allocation.
10732 (movsi2-1, movdi2-1): Likewise.
10734 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
10736 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
10737 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
10738 Move OSF/1 specific defines out.
10739 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
10740 Move Linux specific defines out.
10741 (LINK_SPEC): Genericize.
10742 (ASM_FILE_START): Emit .arch if using more than the base insn set.
10743 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
10744 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
10745 (HANDLE_SYSV_PRAGMA): Define.
10746 * alpha/osf.h: New file.
10747 * alpha/linux.h: Split. Retain file-format independant defines.
10748 Import Linux bits from elf.h.
10749 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
10750 (FUNCTION_PROFILER): _mcount takes its address in $28.
10751 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
10752 * alpha/linux-ecoff.h: New file.
10753 * alpha/linux-elf.h: New file.
10754 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
10755 * alpha/win-nt.h (TARGET_DEFAULT): Define.
10756 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
10757 Add new headers as appropriate.
10759 * configure.in (alpha*): Enable Haifa by default.
10760 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
10761 * configure: Rebuild.
10763 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
10765 * Makefile.in (clean): Remove the stages with their objects here ...
10766 (distclean): ... instead of here.
10768 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10770 * cse.c (rtx_cost): Add default case in enumeration switch.
10771 * fix-header.c (recognized_macro): Likewise.
10772 (recognized_extern): Likewise.
10773 (write_rbrac): Likewise.
10774 * objc/objc-act.c (encode_aggregate): Likewise.
10775 (gen_declarator): Likewise.
10776 (gen_declspecs): Likewise.
10778 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
10780 * haifa-sched.c (create_reg_dead_note): Detect and handle another
10781 case where we kill more regs after sched than were killed before
10783 * sched.c (create_reg_dead_note): Similarly.
10785 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
10787 * c-pragma.c: Include flags.h.
10789 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
10791 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
10792 about system headers.
10793 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
10794 and also to resolve symbols in prefix.c.
10796 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
10797 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
10798 when the definitions in auto-config.h is not visible.
10799 (HAVE_BZERO): Likewise.
10800 (HAVE_BCMP): Likewise.
10801 (HAVE_RINDEX): Likewise.
10802 (HAVE_INDEX): Likewise.
10804 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
10806 * pa.c (emit_move_sequence): Handle a function label source
10809 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
10811 * c-pragma.c (handle_pragma_token): Generate warning messages
10812 about unknown pragmas if warn_unknown_pragmas is set.
10814 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
10815 line option to set variable: warn_unknown_pragmas.
10817 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
10819 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
10821 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
10823 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
10825 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
10826 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
10827 generate more fine grained floating point emulation libraries.
10828 * config/fp-bit.c: Add protecting #ifdef to all functions so
10829 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
10830 then compile all suitable functions.
10831 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
10832 underscores to avoid namespace pollution.
10833 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
10835 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10839 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10840 Jeff Law <law@cygnus.com>
10842 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
10843 of the declaration.
10844 * c-decl.c (finish_decl): Use parentheses around && within ||.
10845 * rtl.c: Include stdlib.h.
10846 (read_skip_spaces): Add parentheses around assignments used as
10848 (read_rtx): Initialize list_rtx.
10849 * cppexp.c (parse_number): Use || when operands are truth values.
10850 * alias.c (find_base_value): Add default case.
10851 (memrefs_conflict): Likewise.
10852 * combine.c (sets_function_arg_p): Likewise.
10853 * genemit.c (gen_exp): Likewise.
10854 * local-alloc.c (contains_replace_regs): Likewise.
10855 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
10856 * fold-const.c (fold_convert): Use "&&" for truth values.
10857 (fold): Add default case.
10858 * sdbout.c (sdbout_field_types): Fix typo in declaration.
10859 (sdbout_one_type): Add default case.
10860 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
10861 (some_operand): Add default case.
10862 (input_operand): Likewise.
10863 (signed_comparison_operator): Likewise.
10864 (divmod_operator): Likewise.
10865 (alpha_set_memflags_1): Likewise.
10866 * reload1.c (reload_cse_simplify_operands): Ensure function
10867 always returns a value.
10868 * scan-decls.c (scan_decls): Likewise.
10869 * c-lex.c (skip_white_space): Fix typo in declaraion.
10870 * c-typeck.c (comp_target_types): Add parentheses around assignment
10871 used as truth value.
10872 (print_spelling): Likewise.
10873 (constructor_implicit, constructor_result): Remove unused variables.
10874 * collect2.c (scan_library): Protect prototype with
10875 #ifdef SCAN_LIBRARIES.
10876 * emit-rtl.c (find_line_note): Fix typo in declaration.
10877 * final.c (asm_insn_count): Protect prototype with
10878 #ifdef HAVE_ATTR_length.
10879 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
10880 (try_pre_increment_1, try_pre_increment): Likewise.
10881 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
10882 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
10883 * gcov-io.h (__store_long, __write_long, __read_long): Fix
10884 unsigned/signed comparisons.
10885 * gcov.c (read_files): Remove unused "first_type" variable.
10886 (scan _for_source_files): Initialize s_ptr.
10887 (function_summary): Eliminate "%lf" formatting, use %ld for
10889 (output_data): Initialize branch_probs and last_line_num.
10890 Eliminate "%lf" formatting, use "%ld" for longs.
10892 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
10894 * mips16.S: New file.
10896 * libgcc2.c (varargs): Handle mips16.
10898 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
10900 * stmt.c (expand_end_case): Likewise.
10901 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
10902 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
10903 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
10905 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10907 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
10908 the build directory.
10909 (libobjc.a): Update dependency list.
10910 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
10912 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
10913 (objc.mostlyclean): Remove runtime-info.h.
10915 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
10917 * tree.c (build_range_type): Allow creation of ranges with no maximum.
10918 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
10919 * dwarf2out.c (add_subscript_info): Likewise.
10920 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
10921 * sdbout.c (plain_type_1): Likewise.
10922 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
10924 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
10927 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10929 * mips.c (fatal): Remove declaration.
10931 1997-12-18 Mark Mitchell <mmitchell@usa.net>
10933 * integrate.c (get_label_from_map): New function.
10934 (expand_inline_function): Use it. Initialize the label_map to
10935 NULL_RTX instead of gen_label_rtx.
10936 (copy_rtx_and_substitute): Use get_label_from_map.
10937 * integrate.h (get_label_from_map): New function.
10938 (set_label_from_map): New macro.
10939 * unroll.c (unroll_loop): Use them.
10940 (copy_loop_body): Ditto.
10942 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
10944 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
10945 (INIT_TARGET_OPTABS): Define.
10946 * mips/ecoff.h: Include gofast.h before mips.h.
10947 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
10948 * mips/elf64.h: Likewise.
10949 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
10951 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
10953 * except.c: Remove register_exception_table{,_p}.
10955 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
10957 * unroll.c (calculate_giv_inc): Handle constant increment found in
10958 a MEM with an appropriate REG_EQUAL note.
10960 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
10962 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
10963 frame pointer in the prologue.
10965 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
10967 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
10968 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
10970 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
10972 * config/m68k/m68k.c (output_function_prologue): Typecast
10973 dwarf2out_cfi_label to (char *).
10974 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
10976 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
10978 * sparc.md (jump): Don't use the annul bit around an empty loop.
10979 Patch from Kevin.Kelly@East.Sun.COM.
10981 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
10983 * jump.c: (jump_optimize): Don't use the return register as a
10984 source1 of a conditional move.
10986 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
10988 * sparc.c (DF_MODES): Or the mask not the bit number.
10989 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
10991 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
10993 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
10995 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
10997 * fixincludes (size_t): Add support for Motorola's stdlib.h
10998 which fails to provide a definition for size_t.
10999 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
11000 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
11001 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
11003 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
11004 prevent unresolved externals in libio.
11005 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
11007 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
11009 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
11010 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
11011 (LIB_SPEC): Updated for glibc 2.
11013 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
11015 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
11016 * ginclude/varargs.h: Likewise.
11018 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
11020 * version.c: Bump for snapshot.
11022 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
11024 * frame.h (__register_frame, __register_frame_table,
11025 __deregister_frame): New.
11026 * frame.c (__register_frame, __register_frame_table,
11027 __deregister_frame): New.
11028 * frame.c (__deregister_frame_info): Return void *.
11029 * frame.h (__deregister_frame_info): Ditto.
11030 * collect2.c (__deregister_frame_info): Ditto.
11032 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
11034 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
11036 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
11038 * alpha.c (alpha_cpu_name): New variable.
11039 (alpha_mlat_string): Likewise.
11040 (alpha_memory_latency): Likewise.
11041 (override_options): Handle -mmemory-latency.
11042 (alpha_adjust_cost): Adjust load cost for latency.
11043 * alpha.h (TARGET_OPTIONS): Add meory-latency.
11044 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
11045 TARGET_CIX into account.
11046 (MEMORY_MOVE_COST): Define in terms of memory_latency.
11047 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
11049 * alpha.h (ASM_COMMENT_START): New macro.
11051 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
11053 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
11054 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
11056 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
11057 SUBREG_REG if the word count is unchanged.
11058 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
11059 subregs of identical word size for push_reload.
11061 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
11063 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
11064 if all we're doing is dealing with -Wreturn-type.
11066 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
11068 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
11069 Use and 255 instead of zapnot 1, since it schedules better.
11071 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
11073 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
11076 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
11078 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
11079 dependency we delete. Properly update prev for multiple consecutive
11081 (priority): Skip deleted dependence.
11083 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
11085 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
11087 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
11089 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
11090 determining when a new basic block starts.
11092 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
11094 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
11095 * pa.md (iorsi3): Add missing args to *_operand calls.
11097 * except.c (call_get_eh_context): Don't mess with sequences.
11098 (emit_eh_context): Include the call in the sequence here.
11100 1997-12-11 Paul Eggert <eggert@twinsun.com>
11102 * collect2.c (write_c_file_glob): Allocate initial frame object
11103 in static storage and pass its address.
11105 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
11107 * except.c (call_get_eh_context): Don't take a parm.
11108 Put the call at the top of the function.
11109 (emit_eh_context): Adjust.
11110 (get_eh_context): Replace with former use_eh_context.
11111 (get_eh_context_once, get_saved_pc_ref): Remove.
11112 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
11113 * except.h: Adjust.
11114 * integrate.c (expand_inline_function): Adjust.
11115 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
11117 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
11119 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
11120 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
11122 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
11124 * fixincludes (strlen,strspn,strcspn return value): Handle different
11126 (hypot): Provide a fake for hypot which is broken on
11127 m88k-motorola-sysv3.
11129 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
11131 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
11132 tree_code_name from pointers to arrays.
11133 * tree.c: Remove standard_tree_code_* variables, no longer used.
11134 * print-tree.c: Remove declaration of tree_code_name.
11136 * cp/lex.c (init_lex): Update for tree_code_* changes.
11137 * objc/objc-act.c (init_objc): Likewise.
11139 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
11142 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
11144 * config.sub: Add support for BeOS target.
11145 * configure.in: Likewise.
11146 * ginclude/stdarg.h: Likewise.
11147 * ginclude/stddef.h: Likewise.
11148 * ginclude/varargs.h: Likewise.
11149 * rs6000/beos.h: New file for BeOS.
11150 * rs6000/t-beos: Likewise.
11151 * rs6000/x-beos: Likewise.
11152 * rs6000/xm-beos.h: Likewise.
11153 * toplev.c (get_run_time): Just return 0 on BeOS.
11155 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
11156 Toon Moene (toon@moene.indiv.nluug.nl)
11158 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
11159 old and broken Sun3 assemblers. Newer versions handle large
11160 offsets correctly as does the GNU assembler.
11162 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11164 * objc/objc-act.c (lang_report_error_function): Disable.
11165 * objc/objc-parse.y: Include "output.h".
11166 (yyerror): Remove redundant decl.
11167 (yyprint): Fix prototype.
11168 (apply_args_register_offset): Remove redundant decl.
11169 (get_file_function_name): Likewise.
11171 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
11173 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
11175 (find_basic_blocks_1): Likewise.
11177 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
11179 * except.c (use_eh_context): Don't copy_rtx a REG.
11180 (emit_throw): Lose old unwinder support.
11181 (expand_internal_throw): Likewise.
11182 * libgcc2.c (struct eh_context): Likewise.
11183 (new_eh_context): Likewise.
11184 (__get_eh_info): Lose redundant cast.
11185 (__get_dynamic_handler_chain): Likewise.
11186 (__get_saved_pc): Lose.
11187 Lose all old unwinder support code.
11189 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
11191 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
11193 * integrate.c (expand_inline_function): If the inline fn uses eh
11194 context, make sure that the current fn has one.
11195 * toplev.c (rest_of_compilation): Call emit_eh_context.
11196 * except.c (use_eh_context): New fn.
11197 (get_eh_context_once): New fn.
11198 (call_get_eh_context): New fn.
11199 (emit_eh_context): New fn.
11200 (get_eh_context): Call either get_eh_context_once or
11201 call_get_eh_context, depending on what we have.
11202 (get_dynamic_handler_chain): Call get_eh_context_once.
11203 * except.h: Prototypes for fns above.
11204 * optabs.c (get_eh_context_libfunc): Removed.
11205 (init_optabs): Don't initialize it.
11206 * expr.h (get_eh_context_libfunc): Removed.
11207 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
11208 * config/pa/pa.h (CPP_SPEC): Support for -threads.
11209 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
11210 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
11211 New multilib for -threads.
11212 * config/sparc/t-sol2: Added multilibs for -threads and
11213 made -pthreads alias to it.
11214 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
11215 Added -threads and -pthreads options.
11216 * libgcc-thr.h: New file.
11217 * libgcc2.c: (__get_cpp_eh_context): Removed.
11218 (struct cpp_eh_context): Removed.
11219 (struct eh_context): Replaced cpp_eh_context with generic language
11221 (__get_eh_info): New function.
11222 (__throw): Check eh_context::info.
11223 (__sjthrow): Ditto.
11224 * libgcc2.c: Include libgcc-thr.h.
11225 (new_eh_context, __get_eh_context,
11226 eh_pthread_initialize, eh_context_initialize, eh_context_static,
11227 eh_context_specific, eh_context_free): New functions.
11228 (get_eh_context, eh_context_key): New variables.
11229 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
11230 get_eh_context to get the context.
11231 (longjmp): Move the declaration inside
11232 #ifdef DONT_USE_BUILTIN_SETJMP.
11233 * frame.c: Include libgcc-thr.h.
11234 (object_mutex): Mutex to protect the object list.
11235 (find_fde, __register_frame, __register_frame_table,
11236 __deregister_frame): Hold the lock while accessing objects.
11237 * except.h (get_eh_context): Declare.
11238 * except.c (current_function_ehc): Define.
11239 (current_function_dhc, current_function_dcc): Removed.
11240 (get_eh_context): New function.
11241 (get_dynamic_handler_chain): Use get_eh_context.
11242 (get_saved_pc_ref): Ditto.
11243 (get_dynamic_cleanup_chain): Removed references to
11244 current_function_dcc.
11245 (save_eh_status, restore_eh_status): Save and restore
11246 current_function_ehc instead.
11247 * optabs.c (get_eh_context_libfunc): New variable.
11248 (init_optabs): Initialize it.
11249 * expr.h: Declare get_eh_context_libfunc.
11250 * function.h (struct function): Replaced dhc and dcc with ehc.
11251 * except.c (get_saved_pc_ref): New functions.
11252 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
11253 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
11255 (end_eh_unwinder): Likewise.
11256 (init_eh): Remove initialization of eh_saved_pc.
11257 * optabs.c (get_saved_pc_libfunc): New variable.
11258 (init_optabs): Initialize it.
11259 * expr.h: Declare get_saved_pc_libfunc.
11260 * except.h (eh_saved_pc_rtx): Deleted.
11261 (get_saved_pc_ref): Declared.
11263 From Scott Snyder <snyder@d0sgif.fnal.gov>:
11264 * libgcc2.c (__get_saved_pc): New.
11265 (__eh_type, __eh_pc): Deleted.
11266 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
11267 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
11270 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
11272 * sparc/sol2.h: Use 64 bit multiply and divide functions in
11273 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
11276 * rtl.h (global_rtl): New variable, replacing separate variables for
11278 (const_int_rtx): Now array of rtx_def, not rtx.
11279 * emit-rtl.c: Update for new rtl data structures.
11280 * genattrtab.c: Define global_rtl.
11282 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
11284 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
11287 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
11289 * crtstuff.c (__do_global_ctors): Fix typo.
11291 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
11293 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
11294 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
11296 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
11298 * rs6000.h (FUNCTION_ARG_PADDING): Define.
11299 * rs6000.c (function_arg_padding): New function.
11301 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
11303 * m68k.c: Include tree.h only once.
11305 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11307 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
11309 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
11311 * Partially cleaned up prototyping code from HJ.
11312 * tree.h: Add many prototypes.
11313 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
11314 All references changed.
11315 * rtl.h: Protect from multiple inclusions. Add many prototypes.
11317 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
11319 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
11320 string functions like strlen.
11322 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
11324 * configure.in: Check for functions getrlimit and setrlimit.
11325 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
11326 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
11328 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
11330 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
11332 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
11334 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
11335 Fix merge problems.
11337 * alpha.c (override_options): Don't know about scheduling for EV6.
11338 * alpha.md (ev5 function units): Don't overload as ev6.
11340 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
11341 * alpha.md (define_attr type): Add mvi.
11342 (ev5_e0): Define sceduling parameters for it.
11343 (TARGET_MAX insns): Type is mvi not shift.
11345 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
11347 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
11349 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11351 * cstamp-h, auto-config.h: Delete.
11353 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
11355 * version.c: Bump for snapshot.
11357 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
11359 * cccp.c: Fix typo brought over in merge.
11361 * Merge in changes from gcc-2.8.
11363 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
11365 * m68k.c: Include tree.h for dwarf2out_cfi_label.
11367 * gcc.c (process_command): Do not take address of function fatal when
11368 calling lang_specific_driver.
11370 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
11372 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
11373 doesn't work with it yet, so set it to 0.
11374 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
11376 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
11378 * cse.c (cse_insn): Check for invalid entries when taking references.
11380 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11382 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
11383 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
11384 * toplev.c (rest_of_compilation): Pass it. Remove code to
11385 save / clear / restore flag_unroll_{,all_}loops.
11387 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
11389 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
11391 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
11393 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
11395 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
11397 * except.c (get_dynamic_handler_chain): Only make the call once per
11400 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
11402 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11404 * sh.c (final_prescan_insn): Use local label prefix
11405 when emitting .uses pseudo-ops.
11407 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
11409 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
11410 * except.c: Lose outer_context_label_stack.
11411 (expand_eh_region_end): Rethrow from outer_context here.
11412 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
11413 (expand_internal_throw): Take no args.
11414 (expand_internal_throw_indirect): Lose.
11415 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
11416 (expand_start_all_catch): Start a rethrow region.
11417 (expand_end_all_catch): End it.
11418 (expand_rethrow): New fn.
11419 * except.h: Reflect above changes.
11420 * flow.c: Revert change of Nov 27.
11422 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
11424 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
11426 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
11428 * except.c (expand_fixup_region_end): New fn.
11429 (expand_fixup_region_start): Likewise.
11430 (expand_eh_region_start_tree): Store cleanup into finalization here.
11431 * stmt.c (expand_cleanups): Use them to protect fixups.
11433 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
11435 * mips/mips.md (muldi3_r4000): Broaden the output template
11436 and attribute assignments to handle three operand dmult;
11437 rename to muldi3_internal2.
11438 (muldi3): Call the new muldi3_internal2 for R4000, and
11439 any GENERATE_MULT3 chip.
11441 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
11443 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
11445 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
11447 * unroll.c (find_splittable_givs): Remove last change. Handle givs
11448 with a dest_reg that was created by loop.
11450 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
11452 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
11454 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
11456 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
11458 * configure.in: Fix NCR entries.
11460 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
11462 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
11463 nested exceptions correctly.
11465 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
11466 that was created by loop.
11468 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
11470 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
11472 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
11474 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
11476 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
11477 (print_operand): Use SMALL_DATA_REG for the register involved in
11478 small data relocations.
11479 (print_operand_address): Ditto.
11481 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
11482 -dynamic linker is not used.
11484 * rs6000.md (call insns): For local calls, use @local suffix under
11485 System V. Don't use @plt under Solaris.
11487 * rs6000.c (output_function_profiler): Put label address in r0, and
11488 store LR in 4(sp) for System V/eabi.
11490 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
11491 byte boundary, and maintain stack backchain.
11493 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
11495 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
11496 fix_truncsfdi2): Change *.
11498 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
11500 * toplev.c (main): Complain about -gdwarfn.
11502 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
11504 * dwarfout.c (output_type): If finalizing, write out nested types
11505 of types we've already written.
11507 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
11509 (patches originally from Geoffrey Keating)
11510 * rs6000.c (function_arg): Excess floating point arguments don't
11511 go into GPR registers after exhausting FP registers under the
11513 (function_arg_partial_nregs): Ditto.
11515 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
11518 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
11520 * integrate.c (output_inline_function): Just unset DECL_INLINE.
11522 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
11524 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
11527 * libgcc2.c (__throw): Initialize HANDLER.
11529 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
11531 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
11532 fix_truncsfdi2): Change *X to ?*X.
11534 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
11536 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
11538 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
11540 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
11542 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
11544 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
11546 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
11548 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
11549 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
11550 * expr.h: Likewise.
11552 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
11554 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
11555 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
11556 gas and not using the new HP assembler.
11558 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
11560 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
11561 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
11563 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
11565 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
11566 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
11569 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
11571 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
11573 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
11575 * except.h: Add outer_context_label_stack.
11576 * except.c: Likewise.
11577 (expand_start_all_catch): Push the outer_context for the try block
11578 onto outer_context_label_stack.
11579 (expand_end_all_catch): Use it and pop it.
11581 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
11583 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
11585 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
11587 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
11589 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
11591 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
11592 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
11594 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
11596 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
11597 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
11598 __builtin_delete, and __builtin_vec_delete.
11600 * except.c (output_exception_table): Don't bother with
11603 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
11605 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
11606 is an in/out operand.
11607 (zero extended variants of stwm/stwm patterns): Similarly.
11609 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
11611 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
11613 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
11615 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
11616 (output_call_frame_info): Emit a \n after using it.
11618 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
11620 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
11622 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
11624 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
11625 (ASM_OUTPUT_DWARF_VALUE4): New macro.
11626 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
11628 (output_call_frame_info): Do not output forward label differences
11629 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
11630 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
11632 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11634 * sh.md (attribute "type"): Add nil.
11635 (movsi_ie): y/y alternative is type nil.
11636 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
11638 (movsf_ie+1): Delete.
11640 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
11642 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
11643 large_int, emit two insns instead of one splitable insn.
11644 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
11645 from cfa_temp_value, use cfa_offset. Add assert checking that
11648 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
11650 * cccp.c (deps_output): Properly quote file names for make.
11652 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
11654 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
11656 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
11658 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
11660 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
11662 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
11664 (cse_end_of_basic_block): Similarly.
11666 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
11668 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
11669 (SELECT_RTX_SECTION): Define.
11670 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
11672 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
11674 * Makefile.in (compare, compare-lean): Define $stage for each
11676 (gnucompare, gnucompare-lean): Likewise.
11678 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
11680 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
11682 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
11683 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
11685 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
11687 * dwarfout.c (byte_size_attribute): Add local var upper_bound
11688 and add case to handle STRING_TYPE.
11689 * dwarfout.c (output_string_type_die): Fix code to generate
11690 correct string length attribute for fixed length strings.
11691 Still needs support for varying length strings.
11693 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
11695 * toplev.c (get_run_time): Do something sensible for cygwin32.
11697 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
11699 * expr.c (expand_builtin_setjmp): Set
11700 current_function_has_nonlocal_label.
11701 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
11702 call-saved registers across calls.
11704 * alpha.md (exception_receiver): Remove.
11705 (nonlocal_goto_receiver_osf): New
11706 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
11707 (nonlocal_goto_receiver): New, select _osf or _vms.
11709 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
11710 keep them from being propogated to the object file.
11711 (alpha_write_linkage): Likewise.
11712 * alpha.md (call_vms): Likewise.
11713 (call_value_vms): Likewise.
11714 (unnamed osf call insns): Likewise.
11716 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
11717 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11719 * alpha.c (call_operand): Any reg is valid for WinNT.
11720 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
11721 (anon nt calls): Add 'R' alternative.
11722 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
11723 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
11725 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
11727 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
11729 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
11730 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
11731 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
11733 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
11735 * reload1.c (new_spill_reg): Improve fixed or forbidden register
11736 spill error message.
11738 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11740 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
11741 use varargs.h. Wrap header with <>, not "".
11743 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
11745 * integrate.c (save_for_inline_copying): Add return value from
11748 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
11750 * fixincludes: Be a little more restrictive on what we will
11751 substitute to replace definitions of MAXINT for HPUX.
11753 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
11755 * dbxout.c (dbxout_symbol_location): Don't assume that variables
11756 whose address is the stack or argument pointers are indirect
11759 1997-11-13 Paul Eggert <eggert@twinsun.com>
11761 * cccp.c, cpplib.c (compare_defs):
11762 Don't complain about arg name respellings unless pedantic.
11763 * cpplib.c (compare_defs): Accept pfile as new arg.
11764 All callers changed.
11766 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11768 * fold-const.c (fold_truthop): Fix bug in last change.
11770 1997-11-13 Paul Eggert <eggert@twinsun.com>
11772 Fix some confusion with IEEE minus zero.
11774 * real.h (REAL_VALUES_IDENTICAL): New macro.
11776 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
11777 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
11779 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
11780 same tree structure as 0.0.
11782 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
11783 macro instead of doing it by hand.
11785 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
11787 * v850/lib1funcs.asm: Minor whitespace changes.
11788 * v850.c: Fix minor formatting problems in many places.
11789 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
11791 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
11793 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
11794 xplus1 when xplus0 is not a register.
11796 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
11798 * flow.c (find_basic_blocks): During marking phase, if we encounter
11799 an insn with a REG_LABEL note, make the target block live and
11800 create an edge from the insn to the target block. Do not make
11801 edges from all blocks to the target block.
11803 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
11805 * confiugre.in: Tweak NCR entries.
11806 * configure: Rebuilt.
11808 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
11810 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
11811 pick apart floating point values, instead of using CONST_DOUBLE_LOW
11812 and CONST_DOUBLE_HIGH.
11814 * rs6000.md (define_splits for DF constants): Use the appropriate
11815 REAL_VALUE_* interface to pick apart DF floating point constants in
11816 a machine independent fashion.
11818 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11820 * fold-const.c (fold_truthop): When changing a one-bit comparison
11821 against zero into a comparison against mask, do a proper sign
11824 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
11826 * except.c: Do not include "assert.h".
11827 (save_eh_status): Turn asserts into conditional aborts.
11828 (restore_eh_status, scan_region): Likewise.
11829 * dwarfout.c: Do not include "assert.h".
11830 (bit_offset_attribute): Turn asserts into conditional aborts.
11831 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
11832 (output_inlined_structure_type_die): Likewise.
11833 (output_inlined_union_type_die): Likewise
11834 (output_tagged_type_instantiation): Likewise.
11835 (dwarfout_file_scope_decl): Likewise.
11836 * dwarf2out.c: Do not include "assert.h"
11837 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
11838 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
11839 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
11840 (add_bit_size_attribute, scope_die_for): Likewise.
11841 (output_pending_types_for_scope): Likewise.
11842 (get_inlined_enumeration_type_die): Likewise.
11843 (get_inlined_structure_type_die): Likewise.
11844 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
11845 (gen_tagged_type_instantiation_die): Likewise.
11847 * flow.c (find_basic_blocks): Refine further to get a more correct
11848 cfg, especially in the presense of exception handling, computed
11849 gotos, and other non-trivial cases. Call abort if an inaccuracy
11850 is detected in the cfg.
11852 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11854 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
11856 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
11857 (skip_white_space): Use whitespace_cr.
11858 (check_newline): Handle whitespace more consistently.
11860 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
11862 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
11863 * i386/xm-cygwin32.h (POSIX): Define.
11865 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
11867 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
11868 is available elsewhere.
11870 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
11872 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
11873 what the instruction can handle.
11875 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
11877 * stmt.c (expand_decl_cleanup_no_eh): New fn.
11879 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
11881 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
11883 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
11884 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
11886 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
11888 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
11889 swap instruction order.
11891 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
11893 * fixinc.svr4 (__STDC__): Add another case.
11895 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11897 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
11898 addresses in the epilogue delay slot.
11900 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
11902 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
11903 in generated `specs' file.
11905 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
11907 * flags.h (flag_rerun_loop_opt): Declare.
11908 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
11909 * toplev.c (flag_rerum_loop_opt): Delete static.
11911 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11913 Bring over from FSF:
11915 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11917 * va-sh.h (__va_arg_sh1): Define.
11919 SH3E doesn't use any integer registers for subsequent arguments
11920 once a non-float value was passed in the stack.
11921 * sh.c (machine_dependent_reorg): If optimizing, put explicit
11922 alignment in front label for ADDR_DIFF_VEC.
11923 * sh.h (PASS_IN_REG_P): Fix SH3E case.
11924 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
11926 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11928 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
11931 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11933 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
11934 put an use_sfunc_addr before each sfunc.
11935 * sh.md (use_sfunc_addr, dummy_jump): New insns.
11936 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
11938 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11940 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
11942 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
11944 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
11947 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
11949 * alias.c (find_base_value): Only return the known base value for
11952 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
11954 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
11955 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
11957 (prologue_get_pc_and_set_got): New pattern.
11959 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
11961 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
11962 for SUBREG, just fall through.
11964 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
11966 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
11968 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
11970 * fixincludes: Fix "hypot" prototype in NeXT math.h.
11972 * Makefile.in (USE_ALLOCA): Always include alloca.o.
11973 (USE_HOST_ALLOCA): Likewise.
11975 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
11976 and LABEL_REFS fields.
11977 * rtl.h (LABEL_REFS): Update.
11979 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
11981 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
11982 sets i2dest. When calling distribute_notes for i3dest_killed, pass
11983 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
11986 * mips.md (insv, extzv, extv): Add change_address call.
11987 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
11989 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
11991 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
11993 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
11994 save_restore_insns if no FP and GP will be restored.
11996 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
11997 Convert CCmode to word_mode before calling GET_MODE_SIZE.
11999 * acconfig.h (HAVE_INTTYPES_H): Undef.
12000 * configure.in (inttypes.h): Check for conflicts between sys/types.h
12001 and inttypes.h, and verify that intmax_t is defined.
12002 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
12003 * config/mips/x-iris3: Likewise.
12005 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
12007 * alias.c (find_base_value): When copying arguments, return the
12008 tenative value for a hard register.
12010 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
12012 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
12013 (yylex): Record wide strings using target endianness, not host.
12015 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
12017 * mn10200.h (ASM_OUTPUT_BSS): Delete.
12018 (ASM_OUTPUT_ALIGNED_BSS): New macro
12019 * mn10300.h (ASM_OUTPUT_BSS): Delete.
12020 (ASM_OUTPUT_ALIGNED_BSS): New macro.
12021 * v850.h (ASM_OUTPUT_BSS): Delete.
12022 (ASM_OUTPUT_ALIGNED_BSS): New macro.
12024 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12026 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
12028 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
12030 * configure.in (sco5): Use cpio to install header files.
12032 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
12034 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
12036 * configure: Rebuild.
12038 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
12040 * i386/sco5.h: enable -gstabs once again.
12042 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
12044 * arm.c (output_move_double): Allocate 3 entries in otherops array.
12046 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
12048 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
12049 notes for sjlj exceptions too.
12050 (expand_eh_region_end): Similarly for EH_REGION_END notes.
12051 (exception_optimize): Optimize EH regions for sjlj exceptions too.
12052 * final.c (final_scan_insn): Don't output labels for EH REGION
12053 notes if doing sjlj exceptions.
12055 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
12057 * alias.c (init_alias_analysis): Handle -fno-alias-check when
12058 optimizing correctly.
12060 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
12061 or set current_function_calls_setjmp anymore.
12063 * flow.c (find_basic_blocks): If we delete the label for an
12064 exception handler, remove it from the EH label list and remove
12065 the EH_BEGIN/EH_END notes for that EH region.
12067 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
12069 * flow.c (find_basic_blocks): Generate correct flow control
12070 information when exception handling notes are present.
12072 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
12074 * dwarf2out.c (output_call_frame_info): Fix length argument
12075 to ASM_OUTPUT_ASCII.
12076 (output_die, output_pubnames, output_line_info): Likewise.
12078 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
12080 * version.c: Bump for snapshot.
12082 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
12083 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
12084 flag_debug_asm is on.
12085 (output_die, output_pubnames, output_line_info): Likewise.
12087 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
12088 and static_chain_rtx into the potential base values array if
12089 they are registers.
12091 * alias.c (new_reg_base_value): New array of potential base values.
12092 (unique_id): Now file scoped static.
12093 (find_base_value, case REG): Return the value in reg_base_value
12094 array for the REG if it exists. Else, return the value from
12095 new_reg_base_value if copying args and REG is a hard register.
12096 (find_base_value, case PLUS): If either operand of the PLUS is
12097 a REG, try to get its base value. Handle base + index and
12099 (record_set): Use new_reg_base_value instead of reg_base_value.
12100 (init_alias_analysis): Allocate space for new_reg_base_value too.
12101 Rework code to iterate over the insns propagating base value
12102 information until nothing changes.
12104 * global.c (global_alloc): Free the conflict matrix after
12105 reload has finished.
12107 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
12109 * libgcc2.c (L_eh): Define __eh_pc.
12110 Replace __eh_type with generic pointer __eh_info.
12112 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
12114 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
12115 use copy_to_reg if address is not a general_operand.
12117 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12119 * profile.c (output_func_start_profiler): Clear flag_inline_functions
12120 for the duration of the call to rest_of_compilation.
12122 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
12124 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
12126 (sparc*-*-*): Recognize --with-cpu=v9.
12127 * sparc/elf.h: New file.
12128 * sparc/t-elf: New file.
12130 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
12132 * mn10300.c (const_8bit_operand): New function.
12133 (mask_ok_for_mem_btst): New funtion.
12134 * mn10300.md (btst patterns with mem operands): Use new functions
12135 to avoid creating btst instructions with invalid operands.
12137 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
12139 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
12140 are running on PowerPC Linux.
12142 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
12144 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
12145 if not previously defined.
12147 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
12149 * function.c (assign_parms): Correct mode of stack_parm if
12150 entry_parm underwent a mode conversion.
12152 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
12154 * global.c (global_alloc): Use xmalloc instead of alloca for
12155 CONFLICTS, since max_allocno * allocno_row_words alone can be more
12156 than 2.5Mb sometimes.
12158 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
12160 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
12161 DEST for the spill, adjust mode of SRC to compensate.
12163 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
12165 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
12166 since any_memory_operand() allows pseudos during reload.
12167 (reload_inhi, reload_outqi, reload_outhi): Likewise.
12169 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
12171 * m68k.md (btst patterns): Add 5200 support.
12173 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
12175 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
12176 optimizations, look inside dividend to determine if the expression
12177 can be simplified by using EXACT_DIV_EXPR.
12179 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
12182 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
12184 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
12186 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
12188 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
12190 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
12193 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
12195 * alpha.md (movqi, movhi): Make sure new insns created during reload
12196 won't need reloading themselves.
12197 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
12199 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
12201 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
12203 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
12205 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
12206 Patch from Klaus Kaempf <kkaempf@progis.de>.
12208 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
12210 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
12211 to an element in a constant string.
12213 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
12215 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
12216 bit PC-relative offset. The exception range table pointer is now in
12218 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
12219 (count_fdes, add_fdes, get_cie): Adjust.
12220 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
12223 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
12225 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
12227 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
12228 like stack_pointer_rtx.
12230 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
12232 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
12233 targets using "$@" to provide support for similar but not identical
12234 targets without having to duplicate code.
12235 (bootstrap4): New goal.
12237 * Makefile.in (compare, compare-lean, compare3): Combined to one
12238 ruleset determining actions to be performed via $@.
12239 (compare4, compare4-lean): New targets.
12240 (gnucompare, gnucompare3): Combined to one ruleset determining
12241 actions to be performed via $@. Also, note which files failed
12242 the comparison test in .bad_compare.
12243 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
12245 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
12247 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
12248 if the dividend is a multiple of the divisor.
12250 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
12252 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
12254 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
12257 * alias.c (true_dependence): Fix typo.
12259 * toplev.c (flag_rerun_loop_opt): New variable.
12260 (f_options): Handle -frerun-loop-opt.
12261 (rest_of_compilation): If -frerun-loop-opt, then run the loop
12263 (main): Enable -frerun-loop-opt by default for -O2 or greater.
12265 * loop.c (simplify_giv_expr): Adding two invariants results
12268 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
12270 * expr.c (get_inner_reference): Remove the array bias after
12271 converting the index to Pmode.
12273 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
12275 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
12276 (TARGET_MULT_BUG): Define.
12277 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
12278 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
12280 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
12282 * mn10200.c (indirect_memory_operand): Delete unused function.
12283 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
12284 * mn10200.md (bset, bclr insns): Handle output in a reg too.
12286 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
12288 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
12289 the callee's ldgp, we must do it ourselves, and we use the jsr tag
12290 for more than scheduling.
12292 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
12294 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
12296 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
12298 * mn10300.c (symbolic_operand, legitimize_address): New functions.
12299 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
12300 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
12302 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
12304 * version.c: Bump for snapshot.
12306 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12308 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
12311 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
12313 * toplev.c (flag_exceptions): Default value is 2.
12314 (compile_file): If flag_exceptions still has the value 2, then
12317 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
12318 (rs6000_save_machine_status): Save pic_offset_table_rtx.
12319 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
12321 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
12324 * rs6000.md (*movsi_got_internal_mem): New pattern.
12325 (*movsi_got_internal_mem splitter): New define_split.
12327 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
12329 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
12331 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
12333 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
12334 only need to save LR.
12336 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
12338 * mn10300.md (movqi, movhi): Avoid using address registers as
12339 destinations unless absolutely necessary.
12341 * mn10200.c (expand_prologue): Fix typo.
12343 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
12345 * mn10200.md (neghi2): Provide an alternative which works if
12346 the input and output register are the same.
12348 * mn10300.c (print_operand): Handle 'S'.
12349 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
12350 shift amount in last alternative
12352 * mn10300.c (expand_epilogue): Rework to handle register restores
12353 in "ret" and "retf" instructions correctly.
12355 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
12357 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
12358 extzv for memory operands.
12360 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
12361 redundant conditional moves to single operand.
12363 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
12365 * v850.h: Move define of __v850__ from CPP_PREDEFINES
12368 * xm-v850.h: Use __v850 rather than __v850__ to
12369 identify v850 port.
12371 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
12373 * mips/mips.c (compute_frame_size): Not a leaf function if
12376 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
12378 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
12380 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
12382 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
12383 (DEFAULT_ARCH32_P): New macro.
12384 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
12385 (enum cmodel): Declare.
12386 (sparc_cmodel_string,sparc_cmodel): Declare.
12387 (SPARC_DEFAULT_CMODEL): Provide default.
12388 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
12389 (TARGET_FULLANY): Deleted.
12390 (TARGET_CM_MEDMID): New macro.
12391 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
12392 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
12393 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
12394 (CPP_SPEC): Rewrite.
12395 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
12396 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
12397 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
12398 (ASM_SPEC): Add %(asm_arch).
12399 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
12400 Rename asm_default to asm_cpu_default.
12401 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
12402 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
12403 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
12404 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
12405 (MASK_INT64,MASK_LONG64): Delete.
12406 (MASK_ARCH64): Renamed to MASK_64BIT.
12407 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
12408 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
12409 (TARGET_SWITCHES): Always provide 64 bit options.
12410 (ARCH64_SWITCHES): Delete.
12411 (TARGET_OPTIONS): New option -mcmodel=.
12412 (INT_TYPE_SIZE): Always 32.
12413 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
12414 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
12415 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
12416 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
12417 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
12419 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12420 * sparc/linux.h: Likewise.
12421 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
12422 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
12423 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
12424 (SPARC_DEFAULT_CMODEL): Define.
12425 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
12426 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12427 (LONG_DOUBLE_TYPE_SIZE): Define.
12428 (ASM_SPEC): Add %(asm_arch).
12429 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
12430 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12431 (TARGET_CPU_DEFAULT): Add ultrasparc case.
12432 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
12433 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
12434 (SPARC_DEFAULT_CMODEL): Define.
12435 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
12436 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
12437 MASK_LONG64, MASK_MEDANY.
12438 (SPARC_DEFAULT_CMODEL): Define.
12439 (CPP_PREDEFINES): Delete.
12440 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12441 (ASM_SPEC): Add %(asm_arch).
12442 (LONG_DOUBLE_TYPE_SIZE): Define.
12443 (DWARF2_DEBUGGING_INFO): Define.
12444 * sparc/splet.h (CPP_SPEC): Delete.
12445 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
12446 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
12447 (BLOCK_PROFILER): Likewise.
12448 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
12449 (sparc_override_options): Handle code model selection.
12450 (sparc_init_expanders): Renamed from sparc64_init_expanders.
12451 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
12452 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
12453 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
12454 (sethi_di_fullany): Delete.
12456 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
12457 Jeff Law <law@cygnus.com>
12458 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12460 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
12461 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
12462 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
12463 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
12464 * alpha/alpha.md (arg_home): Likewise.
12466 * alpha/alpha.c (vmskrunch): Delete
12467 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
12468 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
12469 truncate to 64 characters.
12471 * make-l2.com: Support openVMS/Alpha.
12473 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
12475 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12477 * longlong.h (count_leading_zeros): Add missing casts to USItype.
12479 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
12481 * i386/bsd386.h (ASM_COMMENT_START): Define.
12483 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
12485 * tree.c (restore_tree_status): Also free up temporary storage
12486 when we finish a toplevel function.
12487 (dump_tree_statistics): Print stats for backend obstacks.
12489 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
12491 * expr.c (use_group_regs): Don't call use_reg for MEMs.
12493 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
12495 * libgcc2.c (__throw): Don't copy the return address.
12496 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
12498 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
12499 * toplev.c (main): Initialize exceptions_via_longjmp.
12501 * tree.c: Add extra_inline_obstacks.
12502 (save_tree_status): Use it.
12503 (restore_tree_status): If this is a toplevel inline obstack and we
12504 didn't want to save anything on it, recycle it.
12505 (print_inline_obstack_statistics): New fn.
12506 * function.c (pop_function_context_from): Pass context to
12507 restore_tree_status.
12508 * obstack.h (obstack_empty_p): New macro.
12510 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
12512 * i386/freebsd.h (ASM_COMMENT_START): Fix.
12514 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
12516 * v850.c (ep_memory_offset): New function.
12517 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
12519 * v850.h (CONST_OK_FOR_*): Add and correct comments.
12520 (CONSTANT_ADDRESS_P): Add comment.
12521 (EXTRA_CONSTRAINT): Define 'U'.
12522 * v850.md: Add comments on bit field instructions.
12523 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
12524 (lshrsi3): Use N not J constraint.
12526 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
12528 * v850.c (reg_or_0_operand): Call register_operand.
12529 (reg_or_int5_operand): Likewise.
12530 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
12531 (TARGET_SWITCHES): Add "big-switch".
12532 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
12533 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
12534 (CASE_DROPS_THROUGH): Comment out.
12535 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
12536 * v850.md (cmpsi): Delete compare mode.
12537 (casesi): New pattern.
12539 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
12540 * v850.md (ashlsi3): Use SImode not QImode for shift count.
12541 (lshrsi3): Likewise.
12543 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
12544 unreachable switch statement after 'b' support. Remove "b" from
12545 strings for 'b' support.
12546 * v850.md (branch_normal, branch_invert): Change %b to b%b.
12548 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
12550 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
12551 empty line if @inhibit_libc@ is empty.
12553 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
12555 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
12556 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
12557 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
12558 (DWARF2_UNWIND_INFO): Let this track object file format.
12559 (EXTRA_SECTIONS): Add in_eh.
12560 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
12561 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
12563 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
12565 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
12566 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
12568 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
12569 (output_double_int): Output DI mode values correctly when
12570 HOST_BITS_PER_WIDE_INT is 64.
12571 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
12572 fmovd so it works if a quad float ends up in one of the upper 32
12574 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
12575 necessary for PIC support on sparc64.
12577 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
12579 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
12580 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
12581 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
12582 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
12583 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
12584 (SPARC_FP_ARG_FIRST): New macro.
12585 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
12586 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
12587 (NPARM_REGS): There are 32 fp argument registers now.
12588 (FUNCTION_ARG_REGNO_P): Likewise.
12589 (FIRST_PARM_OFFSET): Update to new v9 abi.
12590 (REG_PARM_STACK_SPACE): Define for arch64.
12591 (enum sparc_arg_class): Delete.
12592 (sparc_arg_count,sparc_n_named_args): Delete.
12593 (struct sparc_args): Redefine and use for arch32 as well as arch64.
12594 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
12595 (FUNCTION_ARG_ADVANCE): Rewrite.
12596 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
12597 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
12598 (FUNCTION_ARG_CALLEE_COPIES): Delete.
12599 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
12600 (STRICT_ARGUMENT_NAMING): Define.
12601 (doublemove_string): Declare.
12602 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
12603 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
12604 (doublemove_string): New function.
12605 (output_move_quad): Clean up some of the arch64 support.
12606 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
12607 Don't add 8 bytes of reserved space if arch64.
12608 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
12609 (init_cumulative_args): New function.
12610 (function_arg_slotno): New static function.
12611 (function_arg,function_arg_partial_nregs): New functions.
12612 (function_arg_{pass_by_reference,advance}): New functions.
12613 (function_arg_padding): New function.
12614 * ginclude/va-sparc.h: Rewrite v9 support.
12616 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
12618 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
12619 for hard regs to determine base and index registers.
12621 * reload.c (debug_reload_to_stream): New function. Specify stream
12622 into which to write debug info.
12623 (debug_reload): Modify to call debug_reload_to_stream with stderr.
12625 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
12627 * combine.c (can_combine_p): Don't combine with an asm whose
12628 output is a hard register.
12630 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
12632 * c-decl.c (start_struct): Ensure that structs with forward
12633 declarations are in fact packed when -fpack-struct is given.
12635 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
12636 we are packing a structure. This allows a structure with only
12637 bytes to be aligned on a byte boundary and have no padding on a
12640 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12642 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
12644 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
12646 * alpha.c (alpha_return_addr_rtx): New variable.
12647 (alpha_save_machine_status): New; save it.
12648 (alpha_restore_machine_status): New; restore it.
12649 (alpha_init_expanders): New; clear it.
12650 (alpha_return_addr): New; set it.
12651 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
12652 is overly conservative, so search the insns explicitly.
12653 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
12654 (alpha_sa_size [VMS && !VMS]): Likewise.
12655 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
12656 (INIT_EXPANDERS): New definition.
12658 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
12659 (output_prolog [!VMS]): Use them.
12661 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
12662 (alpha_does_function_need_gp): ... a new function. Refine the
12663 CALL_INSN test to just TYPE_JSR.
12664 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
12666 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
12668 * version.c: Bump for snapshot.
12670 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12672 * pa.c (move_operand): Respect -mdisable-indexing.
12673 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
12675 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
12677 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
12679 (umulsidi3,umulsi3_highpart): Ditto.
12680 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
12682 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
12684 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
12685 (alpha_handle_trap_shadows): ... a new function. Handle the entire
12686 function in one go. Emit RTL for trapb, instead of printf directly.
12687 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
12688 (trap_pending): Kill global variable.
12689 (output_epilog): Don't call final_prescan_insn.
12690 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
12691 * alpha.h (FINAL_PRESCAN_INSN): Remove.
12692 (MACHINE_DEPENENT_REORG): Define.
12693 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
12696 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
12698 Tune Haifa scheduler for Alpha:
12699 * alpha.h (ISSUE_RATE): Define.
12700 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
12701 EV4 adjustments to EV5.
12702 * alpha.md: Remove all scaling from function unit delays. Rework
12703 EV5 function units to match the CPU.
12704 (umuldi3_highpart): EV5 added the IMULH insn class.
12706 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
12708 * pa.c (following_call): Fail if the CALL_INSN is an indirect
12711 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
12713 * cplus-dem.c (demangle_signature): Don't look for return types on
12714 constructors. Handle member template constructors.
12716 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
12718 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
12719 * tree.h: Declare them.
12721 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
12723 * configure.in: Handle --with-newlib.
12724 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
12726 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
12728 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
12730 * config/ptx4.h: Fix typo.
12732 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
12734 * version.c: Bump for snapshot.
12736 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
12738 * aclocal.m4: Substitute INSTALL.
12739 * configure: Re-built.
12741 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
12743 * integrate.c (save_for_inline_copying): Avoid undefined pointer
12745 (expand_inline_function): Likewise.
12747 * dwarf2out.c (output_call_frame_info): Reinstate last change
12748 using flag_debug_asm check instead of flag_verbose_asm.
12750 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
12752 * dwarf2out.c (output_call_frame_info): Remove last change.
12754 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12756 * frame.c (__frame_state_for): Execute the FDE insns until the
12757 current pc value is strictly bigger than the target pc value.
12759 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
12761 * regclass.c (init_reg_modes): If we can't find a mode for the
12762 register, use the previous one.
12764 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
12766 * haifa-sched.c (print_block_visualization): Call fprintf directly,
12767 don't sprintf through an alloca'ed buffer.
12769 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
12771 * reload.c (decompose): Always initialize val.base.
12773 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
12775 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
12776 instead of aborting.
12777 * dwarf2out.c (output_call_frame_info): Call app_enable and
12778 app_disable to let GNU as accept the generated comments.
12780 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
12782 * tree.h (get_file_function_name): Add declaration.
12783 * dwarf2out.c (output_call_frame_info): No need to cast
12784 get_file_function_name call anymore.
12785 * profile.c (toplevel): Remove get_file_function_name
12787 * c-lang.c (finish_file): Ditto.
12789 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
12791 * Makefile.in (program_transform_name): Let autoconf substitute
12794 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
12796 * haifa-sched.c (schedule_block): If the first real insn in a
12797 block has any special notes attached to it, remove them.
12799 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
12801 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
12803 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
12805 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
12807 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
12809 * Makefile.in (check-g77): New test target.
12810 (CHECK-TARGETS): Add check-g77.
12812 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
12814 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
12816 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
12818 * flow.c (print_rtl_with_bb): Cast alloca return value for
12821 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
12823 * i386.h (RETURN_ADDR_RTX): New definition that works for
12824 __builtin_return_address(0) and -fomit-frame-pointer.
12826 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
12828 Bring over from FSF.
12829 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
12831 * mips.c (function_arg): Handle passing a struct
12832 containing a double in a DFmode register without the PARALLEL.
12834 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
12836 * pexecute.c: Use spawn if __CYGWIN32__.
12838 * pexecute.c: Include "config.h" first, as per autoconf manual
12839 (from Paul Eggert <eggert@twinsun.com>).
12841 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
12843 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
12844 optimisation for f/expr.o and f/stb.o.
12846 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
12848 * cse.c (this_insn_cc0_mode): Initialize.
12850 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
12852 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
12854 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
12856 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
12858 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
12859 that pair will dual-issue on the 21164 and plus+beq won't.
12860 (bne): Likewise for cmpeq+beq.
12862 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
12864 * except.c (find_exception_handler_labels): Correct argument to free.
12866 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
12868 * except.c (find_exception_handler_labels): Free LABELS when we're
12871 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
12873 * version.c: Bump for snapshot.
12875 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
12877 * flow.c (find_basic_blocks): Mark calls as potentially jumping
12880 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
12882 * configure.in: Substitute for "install" too.
12883 * configure: Rebuilt.
12885 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
12887 * Makefile.in (bootstrap-lean, compare-lean): New targets.
12889 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
12891 * alias.c (base_alias_check): Two symbols can conflict if they
12892 are accessed via AND.
12893 (memrefs_conflict_p): Likewise.
12895 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
12896 after flushing argument registers to the stack.
12898 * Makefile.in (mostlyclean): Remove .regmove files.
12900 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
12902 * libgcc2.c (__throw): Fix thinko.
12904 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
12906 * cplus-dem.c (demangle_template): Add new parameter. Handle new
12907 template-function mangling.
12908 (consume_count_with_underscores): New function.
12909 (demangle_signature): Handle new name-mangling scheme.
12911 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
12913 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
12916 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
12918 * frame.c: Remove last change.
12919 * dwarf2.h: Remove last change.
12920 * tree.h: Add declarations of DWARF2 unwind info support
12923 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
12925 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
12926 * tree.h (built_in_function): Likewise.
12927 * expr.c (expand_builtin): Likewise.
12928 * except.h: Likewise.
12929 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
12930 * libgcc2.c (copy_reg): New fn.
12933 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
12935 * c-typeck.c (build_binary_op): Warn about comparing signed vs
12936 unsigned if -W is specified and -Wno-sign-compare is not.
12937 * c-decl.c (warn_sign_compare): Initialize to -1.
12938 (c_decode_option): -Wall no longer implies -Wsign-compare.
12940 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12942 * frame.c: Include gansidecl.h for PROTO.
12943 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
12944 defined. Don't declare dwarf2out_cfi_label here.
12945 * dwarf2.h: Add declarations of DWARF2 unwind info support
12947 * m68k.c: Include dwarf2.h.
12948 (output_function_prologue): Add dwarf2 support.
12949 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
12950 (INCOMING_FRAME_SP_OFFSET): Likewise.
12952 * integrate.c (expand_inline_function): Make sure there is at
12953 least one insn that can be used as an insertion point.
12955 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
12957 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
12959 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
12961 * version.c: Bump for snapshot.
12963 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
12965 Bring over from FSF.
12967 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
12969 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
12970 (get_pc_via_rdpc): Renamed from get_pc_sp64.
12971 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
12973 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
12975 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
12976 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
12977 -malign-functions=.
12978 (sparc_align_{loops,jumps,funcs}_string): Declare.
12979 (sparc_align_{loops,jumps,funcs}): Declare.
12980 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
12981 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
12982 (STACK_BIAS): Define.
12983 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
12985 (SPARC_SETHI_P): New macro.
12986 (CONST_OK_FOR_LETTER_P): Use it.
12987 (ASM_OUTPUT_ALIGN_CODE): Define.
12988 (ASM_OUTPUT_LOOP_ALIGN): Define.
12989 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
12990 (sparc_align_{loops,jumps,funcs}): New globals.
12991 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
12992 -malign-functions=.
12993 (move_operand): Use SPARC_SETHI_P.
12994 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
12996 (arith11_double_operand): Likewise.
12997 (arith10_double_operand): Likewise.
12998 (finalize_pic): Finish sparc64 support.
12999 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
13000 64 bit constants if able.
13001 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
13002 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
13004 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
13005 (get_pc_sp32): Use for sparc64 as well.
13006 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
13007 (sethi_di_sp64_const): Likewise.
13008 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
13009 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
13010 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
13012 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
13014 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
13015 * sparc/linux.h (COMMENT_BEGIN): Likewise.
13016 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
13018 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
13020 Add sparc64 linux support.
13021 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
13022 to xm_file list on 32-bit sparc-linux.
13023 * sparc/xm-sp64.h: New file.
13024 * sparc/linux64.h: New file.
13025 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
13026 Don't include xm-sparc.h.
13027 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
13028 * glimits.h (LONG_MAX): Handle sparc64.
13030 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
13032 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
13033 * sparc.h (ASM_COMMENT_START): Define.
13034 * sparc.c (output_function_prologue): Use it.
13035 (sparc_flat_output_function_{epi,pro}logue): Likewise.
13037 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
13039 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
13040 use sparc.h's copies.
13041 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
13042 ascii form as well.
13044 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13046 * sparc.c (dwarf2out_cfi_label): Add declaration.
13047 (save_regs, output_function_prologue): Remove cast for it.
13048 (sparc_flat_{save_restore,output_function_prologue): Likewise.
13049 ({save,restore}_regs): No longer inline.
13051 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13053 * fold-const.c (make_range): Correctly handle cases of converting
13054 from unsigned to signed type.
13056 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13058 * fold-const.c (merge_ranges): Make sure that if one range is subset
13059 of another, it will always be the second range. Correct (+,-) case to
13062 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
13064 * final.c (final_end_function): Also do dwarf2 thing if
13065 DWARF2_DEBUGGING_INFO.
13066 (final_start_function): Likewise.
13068 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
13070 * expmed.c (expand_divmod): If compute_mode is not the same as
13071 mode, handle the case where convert_modes() causes op1 to no
13072 longer be a CONST_INT.
13074 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
13075 note holding get_jump_flags() calculation to all JUMP_INSNs.
13076 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
13077 * rtl.c (reg_note_name): Add new note types.
13079 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
13081 * rtlanal.c (computed_jump_p): Fix typo in last change.
13083 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13085 * loop.c (indirect_jump_in_function_p): Return 0
13088 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
13090 * rs6000/xm-rs6000.h: Fix thinko in last change.
13091 * rs6000/xm-sysv4.h: Likewise.
13093 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
13095 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
13097 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
13099 * reg-stack.c (find_blocks): Fix thinko in last change.
13101 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13103 * m68k.c (output_function_prologue): Add dwarf2 support.
13105 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
13106 INCOMING_FRAME_SP_OFFSET): New definitions.
13108 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
13110 * combine.c (try_combine): Use NULL_RTX instead of '0' where
13111 appropriate in calls to gen_rtx().
13112 * cse.c (cse_main): Likewise.
13113 * emit-rtl.c (gen_label_rtx): Likewise.
13114 * expr.c (init_expr_once): Likewise.
13115 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
13116 sched_analyze, init_rgn_data_dependences,
13117 compute_block_backward_dependences): Likewise.
13118 * sched.c (schedule_insns): Likewise.
13119 * varasm.c (immed_double_const): Likewise.
13121 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
13122 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
13124 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
13126 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
13127 (MULTILIB_DEFAULTS): Define.
13128 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
13129 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
13130 (LIBGCC_SPEC): Likewise.
13131 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
13132 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
13133 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
13134 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
13135 (EXTRA_PARTS, TAROUTOPTS): Delete.
13136 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
13137 (MULTILIB_OPTIONS): Define.
13138 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
13139 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
13141 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
13143 * version.c: Bump for snapshot.
13145 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
13147 * loop.c (loop_number): Delete function. Change all references
13148 to use uid_loop_num array.
13149 * loop.h (loop_number): Delete declaration.
13150 * unroll.c (unroll_loop): Change "loop_number" references to
13151 use uid_loop_num instead.
13153 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
13155 (loop_unroll_iter): Remove unused variable and all references.
13156 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
13157 (insert_bct): Fix minor formatting problems.
13158 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
13159 (loop_unroll_iter): Removed unused decl.
13160 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
13161 Always record the unrolling factor.
13163 * cse.c (simplify_relational_operation): Set h0u just like h0s.
13164 Similarly for h1u and h1s.
13166 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
13167 (find_basic_blocks): Use computed_jump_p to determine if a
13168 particular JUMP_INSN is a computed jump.
13169 * reg-stack.c (find_blocks): Use computed_jump_p to determine
13170 if a particular JUMP_INSN is a computed jump.
13171 * rtlanal.c (jmp_uses_reg_or_mem): New function.
13172 (computed_jump_p): Likewise.
13173 * rtl.h (computed_jump_p): Declare.
13174 * genattrtab.c (pc_rtx): Define and initialize.
13175 * loop.c (loop_optimize): Always determine if the current
13176 function has a computed jump.
13177 (indirect_jump_in_function_p): Use computed_jump_p to determine
13178 if a particular JUMP_INSN is a computed jump.
13180 * loop.c (fix_bct_param): Delete unused function.
13181 (check_bct_param): Likewise.
13183 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
13185 * frame.c (__deregister_frame): Check properly for initialized object.
13187 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13189 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
13191 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13193 * jump.c (thread_jumps): check can_reverse_comparison_p before
13194 threading a reversed-condition jump.
13196 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
13197 * haifa-sched.c (update_flow_info): Likewise.
13199 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
13201 * Makefile.in (BOOT_CFLAGS): Use -O2.
13203 * configure.in (strtoul, bsearch): Have autoconf check for these
13205 * configure, config.in: Rebuilt.
13207 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
13208 * mips/mips.h (alloca): Likewise.
13209 * rs6000/xm-rs6000.h (alloca): Likewise.
13210 * rs6000/xm-sysv4.h: Likewise.
13212 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
13214 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
13215 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
13216 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
13218 * except.c (end_eh_unwinder): Subtract 1 from return address.
13219 * libgcc2.c (__throw): Likewise.
13220 (find_exception_handler): Don't change PC here. Compare end with >.
13222 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
13224 * v850.c (compute_register_save_size): Correct register
13226 * v850.md (save_interrupt, return_interrupt): Correct
13228 * v850/lib1funcs.asm (save_interrupt): Correct register number.
13229 (return_interrupt): Use stack pointer, not element pointer.
13231 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
13233 * configure.in, configure: Make sure to create the stage* and include
13234 symbolic links in each subdirectory.
13236 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
13238 * pa.md (reload_peepholes): Don't allow addresses with side
13239 effects for the memory operand.
13241 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
13243 * libgcc2.c (find_exception_handler): Subtract one from our PC when
13244 looking for a handler, to avoid hitting the beginning of the next
13247 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
13249 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
13251 * mips/abi64.h (LONG_MAX_SPEC): Define.
13252 * mips.h (LONG_MAX_SPEC): Define.
13253 (CPP_SPEC): Include long_max_spec.
13254 (EXTRA_SPECS): Include long_max_spec.
13256 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
13258 * v850.c (construct_save_jarl): Fix thinko in last change.
13260 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
13262 * version.c: Bump for snapshot.
13264 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
13266 * libgcc2.c (find_exception_handler): Not found is -1.
13268 * integrate.c (expand_inline_function): Move expand_start_bindings
13269 after expanding the arguments.
13271 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
13273 * expr.c (expand_expr): Remove previous incorrect change.
13274 If target and slot has no DECL_RTL, then call mark_addressable
13275 again for the slot after we give it RTL.
13277 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
13279 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
13280 again for the slot after we give it RTL.
13282 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
13284 * v850.c (register_is_ok_for_epilogue,
13285 pattern_is_ok_for_epilogue, construct_restore_jr,
13286 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
13288 * v850.h (pattern_is_ok_for_prologue,
13289 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
13292 * v850.md: Replace prologue and epilogue patterns with a
13293 match_parallel pattern.
13295 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
13297 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
13298 * configure.in: Use EGCS_PROG_INSTALL.
13300 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
13302 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
13303 extern inline function.
13305 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
13307 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
13308 (concat_loc_descriptor): New function.
13309 (loc_descriptor): Call it.
13310 (add_AT_location_description): Also elide the descriptor if both
13311 halves of a CONCAT are pseudos.
13312 (add_location_or_const_value_attribute): Recognize CONCAT too.
13314 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
13316 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
13318 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
13319 out-or-range reg_offset.
13320 (output_epilog): Likewise.
13322 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
13324 * cse.c (simplify_relational_operation): If MODE specifies a
13325 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
13326 is derived from the sign bit of the low word.
13328 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
13330 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
13332 * dwarf2.h: Add DW_CFA_GNU_args_size.
13333 * frame.c (execute_cfa_insn): Likewise.
13334 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
13335 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
13336 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
13337 insn, hand it off to dwarf2out_stack_adjust.
13338 (dwarf2out_begin_prologue): Initialize args_size.
13339 * frame.h (struct frame_state): Add args_size.
13340 * libgcc2.c (__throw): Use args_size.
13341 * final.c (final_scan_insn): If we push args, hand off all insns
13342 to dwarf2out_frame_debug.
13343 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
13345 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
13346 Handle epilogue restore of SP from FP.
13347 * emit-rtl.c (gen_sequence): Still generate a sequence if the
13348 lone insn has RTX_FRAME_RELATED_P set.
13350 * frame.c (extract_cie_info): Handle "e" augmentation.
13351 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
13352 absence of UNALIGNED_*_ASM_OP.
13353 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
13354 (output_call_frame_info): Use "e" instead of "z" for augmentation.
13355 Don't emit augmentation fields length.
13356 (dwarf2out_do_frame): Move outside of #ifdefs.
13357 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
13360 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
13361 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
13362 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
13363 * sparc/sun4gas.h: New file.
13364 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
13366 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
13367 __register_frame_table and __deregister_frame.
13369 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
13371 * except.c (find_exception_handler_labels): Use xmalloc instead of
13372 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
13375 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
13377 * Makefile.in: Various changes to build info files
13378 in the object tree rather than the source tree.
13380 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
13382 * fixinc.math: New file to fix math.h on some systems.
13383 * configure.in (freebsd, netbsd): Use fixinc.math on these
13385 * configure: Rebuilt.
13387 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
13389 * regmove.c (regmove_optimize): If we end up moving the
13390 original insn due to lifetime overlaps, make sure to move
13393 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
13395 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
13397 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
13399 * haifa-sched.c (add_branch_dependences): Make each insn in
13400 a SCHED_GROUP_P block explicitly depend on the previous insn.
13402 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
13404 * except.h: Prototype dwarf2 hooks.
13407 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
13409 * configure.in (native_prefix): Delete.
13410 (mips-dec-netbsd): Don't set prefix.
13411 (*linux*): Don't set prefix.
13413 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
13415 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
13416 defined. If not defined, include <sys/varargs.h> if
13417 HAVE_SYS_VARARGS_H is defined.
13418 * configure.in: Test for varargs.h and sys/varargs.h.
13419 * configure: Regenerate with autoconf.
13420 * config.in: Regenerate with autoheader.
13422 * cpplib.c (quote_string): Cast first arg of sprintf call
13423 from "unsigned char *" to "char *".
13424 (output_line_command): Ditto.
13425 (macroexpand): Ditto.
13426 (do_line): Cast atoi arg from "unsigned char *" to "char *".
13428 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
13430 * version.c: Bump for snapshot.
13432 * Makefile.in (compare): Exit with nonzero status if there
13433 are comparison failures. Note which files failed the
13434 comparison test in .bad_compare.
13436 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13438 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
13440 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
13442 * Makefile.in (LN, LN_S): New macros, use where appropriate.
13443 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
13444 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
13445 * configure: Regenerated.
13447 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
13449 * loop.c (strength_reduce): Fix typo.
13451 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
13453 * m88k/m88k.c (struct option): Rename to struct options.
13454 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
13455 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
13456 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
13457 __DOLPHIN__ or sysV88.
13459 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
13461 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
13464 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
13466 * config.sub: Accept 'amigados' for backward compatability.
13468 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13470 * Makefile.in (testsuite/site.exp): New target.
13471 (check-gcc, check-g++): Depend on testsuite/site.exp.
13472 Don't stop for failure.
13474 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
13476 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
13477 if DWARF2_UNWIND_INFO.
13479 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
13481 Add support for exception handling using DWARF 2 frame unwind info.
13482 Currently works on SPARC and MIPS, and almost on x86.
13484 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
13485 next_stack_level, in_reg_window): Helper fns.
13486 (__throw): Implement for DWARF2_UNWIND_INFO.
13488 * expr.c (expand_builtin): Handle builtins used by __throw.
13489 * tree.h (enum built_in_function): Add builtins used by __throw.
13490 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
13491 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
13492 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
13493 (expand_builtin_extract_return_addr): Likewise.
13494 (expand_builtin_frob_return_addr): Likewise.
13495 (expand_builtin_set_return_addr_reg): Likewise.
13496 (expand_builtin_eh_stub): Likewise.
13497 (expand_builtin_set_eh_regs): Likewise.
13498 (eh_regs): Choose two call-clobbered registers for passing back values.
13500 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
13501 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
13502 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
13503 (stmp-multilib): Likewise.
13504 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
13506 * except.c: #include "defaults.h".
13507 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
13508 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
13509 (register_exception_table_p): New fn.
13510 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
13511 (end_eh_unwinder): Likewise.
13513 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
13514 call __register_frame and __deregister_frame as needed.
13515 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
13516 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
13517 EH_FRAME_SECTION_ASM_OP.
13518 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
13519 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
13520 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
13522 * dwarf2out.c (output_call_frame_info): If no support for
13523 EXCEPTION_SECTION, mark the start of the frame info with a
13525 * collect2.c (frame_tables): New list.
13526 (is_ctor_dtor): Recognise frame entries.
13527 (scan_prog_file): Likewise.
13528 (main): Pass -fno-exceptions to sub-compile. Also do collection
13529 if there are any frame entries.
13530 (write_c_file_stat): Call __register_frame_table and
13531 __deregister_frame as needed.
13532 (write_c_file_glob): Likewise.
13534 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
13535 Also require unaligned reloc support.
13536 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
13537 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
13538 * sparc/sysv4.h: Not here.
13540 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
13541 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
13542 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
13544 * libgcc2.c (L_eh): Reorganize, moving code shared by different
13545 EH implementations to the top.
13546 (find_exception_handler): Split out. Start from 0. Compare against
13548 (__find_first_exception_table_match): Use it.
13549 * except.c (output_exception_table): Don't do anything if there's
13550 no table. Don't output a first entry of zeroes.
13551 (eh_outer_context): Adjust properly.
13552 (add_eh_table_entry): Use xrealloc.
13553 * toplev.c (compile_file): Just call output_exception_table.
13555 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
13557 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
13559 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
13561 * except.c (eh_outer_context): Do masking using expand_and.
13563 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
13565 Add port done awhile ago for the ARC cpu.
13566 * arc/arc.h: New file.
13567 * arc/arc.c: New file.
13568 * arc/arc.md: New file.
13569 * arc/initfini.c: New file.
13570 * arc/lib1funcs.asm: New file.
13571 * arc/t-arc: New file.
13572 * arc/xm-arc.h: New file.
13573 * ginclude/va-arc.h: New file.
13574 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
13575 * ginclude/varargs.h: Likewise.
13576 * Makefile.in (USER_H): Add va-arc.h.
13577 * configure.in (arc-*-elf*): Recognize.
13578 * longlong.h: Add ARC support.
13580 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
13582 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
13583 when clearing non-BLKmode data.
13585 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
13587 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
13588 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
13590 * xm-m88k.h (USG): Only define if it hasn't already been defined.
13592 * Makefile.in (risky-stage1): Delete gratutious whitespace.
13594 * Makefile.in (clean): Delete libgcc1-test.
13596 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
13598 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
13600 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
13603 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13605 * dwarf2out.c (output_call_frame_info): Call named_section.
13607 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
13609 * haifa-sched.c (print_value): Fix last change.
13611 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
13613 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
13616 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
13618 * mips.c (function_prologue): Set up the CFA when ABI_32.
13620 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
13621 for dwarf2 unwind info.
13622 (output_function_prologue, sparc_flat_output_function_prologue): Same.
13624 * final.c (final_end_function): Check dwarf2out_do_frame instead
13625 of DWARF2_DEBUG for dwarf2 unwind info.
13626 (final_scan_insn): Likewise.
13627 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
13630 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
13633 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
13635 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
13637 * v850.h (ASM_SPEC): Pass on target processor.
13638 (CPP_PREDEFINES): Only define if not already specified.
13639 (TARGET_VERSION): Only define if not already specified.
13640 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
13642 (EXTRA_SWITCHES): Extra entries in the switches array.
13643 (TARGET_DEFAULT): Set default target processor.
13645 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
13647 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
13648 cases, add %# and %/, and add : to make them into extended asms.
13650 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
13652 * alias.c (init_alias_analysis): Clean up incompatible pointer
13653 type warning in bzero.
13654 * regmove.c (regmove_optimize): Ditto.
13655 * haifa-sched.c (find_rgns): Ditto.
13657 * haifa-sched.c (print_value): Clean up ptr->int cast
13660 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
13662 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
13663 * install.texi (Configurations): Ditto.
13664 * config.sub: Ditto.
13666 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
13668 * Makefile.in (sdbout.o): Depend on insn-config.h.
13670 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
13672 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
13673 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
13675 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
13677 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
13678 prologue insn, only the first elt is significant.
13679 (output_call_frame_info): For exception handling, always use 4-byte
13680 fields as specified by the dwarf2 spec.
13681 Don't skip trivial FDEs.
13683 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
13685 * version.c: Bump for snapshot.
13687 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
13689 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
13690 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
13693 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
13695 * final.c (shorten_branches): During first pass, assume worst
13696 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
13698 * Makefile.in (distclean): Remove various things left around
13699 by running the testsuite.
13701 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
13703 * configure.in (out_file): Emit definition to config.status in order
13704 to have a defined value for configure.lang.
13705 * configure: Re-built.
13707 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
13709 * configure.in: Make symlink to as-new rather than as.new. Similarly
13711 * configure: Rebuilt.
13713 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
13715 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
13717 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
13719 * sparc/sparc.md: Add ultrasparc scheduling support.
13720 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
13722 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
13724 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
13725 as initial value for real_label_map.
13726 (copy_for_inline): Likewise.
13728 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13730 * sched.c (update_flow_info) When looking if to set found_split_dest
13731 or found_orig_dest, look at all parts of a PARALLEL.
13732 * haifa-sched.c (update_flow_info): Likewise.
13734 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
13736 * v850: New directory for v850 port.
13737 * v850/lib1funcs.asm: New file.
13738 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
13739 * ginclude/va-v850.h: New file.
13740 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
13741 * configure.in (mn10200-*-*): New target.
13742 * configure: Rebuilt.
13743 * config.sub: Handle v850-elf.
13744 * Makefile.in (USER_H): Add va-mn10200.h.
13745 * invoke.texi: Document v850 stuff.
13747 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
13749 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
13750 has integer TYPE_{MAX,MIN}_VALUE before using them.
13752 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
13753 __HPUX_ASM__ versions.
13755 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
13757 * install.sh: Delete duplicate install script.
13759 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
13761 * reg-stack.c (subst_stack_regs): Pop the stack register for a
13762 computed goto which sets the same stack register.
13764 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
13765 destination are both on the regstack.
13766 (subst_stack_regs_pat): Put the destination at the top of the regstack.
13768 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
13770 * mips.md (nonlocal_goto_receiver): Define.
13772 * profile.c (output_arc_profiler): Check next_insert_after for non
13773 NULL before deferencing it.
13775 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
13777 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
13779 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
13781 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
13783 * toplev.c (rest_of_compilation): For passes starting with
13784 flow_analysis, use print_rtl_with_bb instead of print_rtl.
13786 * print-rtl.c (print_rtl_single): Print a single rtl value to a
13789 * flow.c (print_rtl_with_bb): Print which insns start and end
13790 basic blocks. For the start of a basic block, also print the live
13793 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
13795 * toplev.c (main): Change #elif to #else/#ifdef
13797 * tlink.c: Include ctype.h.
13798 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
13800 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
13802 * bitmap.c: Conditionally include stdlib.h.
13803 (free): Provide a declaration if NEED_DECLARATION_FREE.
13805 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
13807 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
13809 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
13811 * profile.c (output_arc_profiler): Verify next_insert_after is an
13812 INSN before and after skipping a stack pop.
13814 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13816 * final.c (shorten_branches): Don't count the lengths of deleted
13819 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
13821 * version.c: Bump for snapshot.
13823 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
13825 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
13826 two bitmaps ANDed together.
13827 (bitmap_print): Declare.
13829 * bitmap.c (function_obstack): Don't declare any more.
13830 (bitmap_obstack): Obstack for allocating links from.
13831 (bitmap_obstack_init): New static to say whether to initialize
13833 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
13834 (bitmap_release_memory): Free all memory allocated from
13837 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
13838 EXECUTE_IF_AND_IN_BITMAP.
13840 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
13842 * alias.c (true_dependence): Address with AND can alias scalars.
13843 (anti_dependence, output_dependence): Likewise.
13845 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
13847 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
13849 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
13850 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
13851 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
13852 definitions. Use -qrtems instead of -mrtems.
13854 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
13856 * xm-sco5.h (sys_siglist): Define.
13857 (SYS_SIGLIST_DECLARED): Likewise.
13859 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
13861 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
13863 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
13865 * except.c (eh_outer_context): Expand masking operation using
13868 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
13870 * alpha.md (floatdisf2-1): New pattern.
13872 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
13874 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
13875 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
13876 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
13877 * gcc.texi: Note that if you define sys_siglist that you should
13878 also define SYS_SIGLIST_DECLARED.
13880 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
13881 are relative to the next instruction, not the current instruction.
13883 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
13885 * local-alloc.c (contains_replace_regs): New function.
13886 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
13887 verify that there is no existing REG_EQUIV note, and add a call to
13888 contains_place_regs.
13890 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13892 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
13893 (STARTFILE_SPEC): Always use crtbegin.o%s
13894 (ENDFILE_SPEC): Always use crtend.o%s.
13896 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
13898 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
13900 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
13901 SFmode for 64 bit hosts.
13903 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
13905 * fixincludes: Permits spaces between # and define. Discard C++
13906 comments in sys/pci.h on HP/UX 10.20.
13908 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
13910 * version.c: Bump for snapshot.
13912 * pa.c (restore_unscaled_index_insn_codes): New function.
13913 (record_unscaled_index_insn_codes): Likewise.
13914 (output_function_prologue): Call restore_unscaled_index_insn_codes.
13915 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
13916 (pa_reorg): Call record_unscaled_index_insn_codes.
13918 * haifa-sched.c (move_insn): Handle notes correctly for insns
13919 with SCHED_GROUP_P set.
13921 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13923 * alpha/xm-linux.h (USE_BFD): Undef before define.
13925 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
13927 * cse.c (cse_insn): Don't record BLKmode values.
13929 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
13931 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
13933 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
13935 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
13936 * collect2.c (sys_errlist): Likewise.
13937 * cpplib.c (sys_errlist): Likewise.
13938 * gcc.c (sys_errlist): Likewise.
13939 * protoize (sys_errlist): Likewise.
13940 * configure.in: Check for strerror.
13941 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
13942 * xm-gnu.h (HAVE_STRERROR): Likewise.
13943 * xm-linux.h (HAVE_STRERROR): Likewise.
13944 * xm-netbsd.h (HAVE_STRERROR): Likewise.
13945 * xm-bsd386.h (HAVE_STRERROR): Likewise.
13946 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
13947 * xm-dos.h (HAVE_STRERROR): Likewise.
13948 * xm-mingw32.h (HAVE_STRERROR): Likewise.
13949 * xm-pa.h (HAVE_STRERROR): Likewise.
13950 * xm-papro.h (HAVE_STRERROR): Likewise.
13951 * xm-sysv4.h (HAVE_STRERROR): Likewise.
13952 * configure, config.in: Rebuilt.
13954 * Makefile.in: Add several missing "else true" clauses.
13956 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
13957 * mips-tfile.c: Likewise.
13958 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
13959 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
13960 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
13961 * configure.in: Check for sys_siglist declaration.
13962 * configure, config.in: Rebuilt.
13964 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
13966 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
13967 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
13968 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
13969 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
13970 * rs6000/sysv4.h (extra_subtarget_switches): Added new
13971 macro EXTRA_SUBTARGET_SWITCHES.
13972 * configure.in (sh*-*-rtems*): New target.
13973 * sh/rtems.h: New file.
13974 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
13975 * configure: Rebuilt.
13977 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
13979 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
13981 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
13983 * rs6000.md: Make DF fused-add operations pay attention to
13986 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
13988 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
13990 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
13992 * pa.md (reload_peepholes): Make sure operand is a REG before
13993 examining REGNO. Allow general registers too.
13995 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
13997 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
13999 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
14001 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
14002 to reallocate abbrev_die_table.
14004 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
14006 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
14008 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
14010 * Makefile.in (config.status): Depend on version.c
14012 * expr.h (insn_gen_function): Reenable prototype.
14014 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
14017 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
14019 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
14021 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
14023 * version.c: Bump for latest snapshot.
14025 * bc-optab.c: Conditionally include stdlib.h.
14026 (free): Provide a declaration if NEED_DECLARATION_FREE.
14027 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
14028 * rtl.h (free): Remove declaration.
14029 * tree.h (free): Remvoe declaration.
14031 * configure: Rebuilt.
14033 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
14035 * flags.h (flag_move_all_movables): Declare.
14036 (flag_reduce_all_givs): Likewise.
14037 * loop.c (move_movables): Handle flag_move_all_movables.
14038 (strength_reduce): Handle flag_reduce_all_givs.
14039 * toplev.c (flag_move_all_movables): Define.
14040 (flag_reduce_all_givs): Likewise.
14041 (f_options): Add -fmove-all-movables and -freduce-all-givs.
14042 * invoke.texi: Document new options, including alias stuff that
14043 wasn't included last time.
14045 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
14047 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
14048 * t-mn10200: Ditto.
14049 * t-vxsparc: Ditto.
14050 * t-vxworks68: Ditto.
14051 * t-vxworks960: Ditto.
14054 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
14056 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
14057 if not already defined, and USE_C_ALLOCA not defined.
14059 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
14061 * config.guess: Replace with script that uses ../config.guess.
14063 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
14064 if USE_GNULIBC_1 is not defined.
14066 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
14068 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
14069 * config.guess: Recognize alpha-linux-gnulibc1.
14070 * configure.in (alpha-*-linux-gnulibc1): New target.
14071 (alpha-*-linux-gnu*): Don't build crtbegin/end.
14073 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
14075 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
14078 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
14080 * loop.c (combine_movables): Earlier insns don't match later ones.
14082 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
14084 * config/linux.h (CC1_SPEC): Define it only if not defined.
14086 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
14089 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
14090 USE_GNULIBC_1 is not defined.
14092 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
14094 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
14095 as 1 if USE_GNULIBC_1 is not defined.
14097 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
14099 * reorg.c (dbr_schedule): Allow current_function_return_rtx
14100 to be something other than a REG.
14101 * function.c (expand_function_end): Fix current_function_return_rtx
14102 if it was a pseudo.
14104 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
14105 * x-netbsd: Likewise
14106 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
14107 (INSTALL_HEADERS): Delete.
14108 * x-dguxbcs: Likewise.
14109 * x-hp3bsd44: Likewise
14112 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14114 * i386.md (pop): pop increments the stack pointer.
14115 (prologue_set_stack_ptr): New pattern.
14116 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
14119 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
14121 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
14122 address where an offsettable address is required.
14124 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
14126 * loop.c (check_final_value): Don't miss a biv increment in a
14129 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
14131 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
14132 TYPE_DECL_IS_STUB instead of DECL_NAME.
14134 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
14136 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
14138 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
14140 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
14142 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
14144 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
14145 (find_post_sched_live): Likewise.
14147 * haifa-sched.c (schedule_block): Remove old code to get arguments
14148 from hard regs into pseudos early.
14150 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
14152 * version.c: Bump for new snapshot.
14154 * local-alloc.c (update_equiv_regs): All the target to reject
14155 promotion of some REG_EQUAL to REG_EQUIV notes.
14156 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
14158 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
14161 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
14162 store of the argument registers.
14164 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
14166 * fold-const.c (multiple_of_p): New function.
14167 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
14169 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
14171 * expr.h (insn_gen_function): Temporarily remove prototype.
14173 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
14175 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
14176 filenames. Use sed to extract base filename for install.
14178 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
14180 * unroll.c (find_splittable_givs): Only share if two givs have the
14181 same add and multiply values.
14183 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
14185 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
14186 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
14188 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
14190 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
14191 around branch tables.
14192 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
14193 and .end_brtab directives if TARGET_GAS.
14195 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
14197 * alias.c (true_dependence): Pass x_addr not x to varies.
14199 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
14200 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
14201 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
14203 * config.in, configure: Regenerate.
14205 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
14207 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
14209 (record_set): Handle LO_SUM like PLUS.
14210 (init_alias_analysis): When following chains of base addresses,
14211 do not stop on reaching a hard register.
14213 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
14215 * version.c: Bump for new snapshot.
14217 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
14219 * alpha.h (ARCH_ASM_FILE_START): Define.
14220 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
14221 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
14223 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
14225 * Makefile.in (install-common): Put gcov comment at start of line.
14227 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
14229 * alias.c (init_alias_analysis): When simplifying the reg_base_value
14230 array, simplify entries for hard registers too.
14232 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
14234 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
14237 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
14239 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
14240 block_stack before dereferencing it.
14242 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
14244 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
14246 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
14248 * cplus-dem.c: Add 'extern' to prepends_underscore.
14250 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
14252 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
14253 (get_issue_rate): Delete.
14254 * pa.h (ISSUE_RATE): Define.
14256 * configure.in: Turn on haifa by default for the PA.
14257 * configure: Rebuilt.
14258 * pa.c (override_options): Accept -mschedule=7200 option.
14259 (pa_adjust_cost): No longer need to scale costs for newer
14261 * pa.h (enum processor_type): Add PROCESSOR_7200.
14262 * pa.md: Revamp scheduling parameters to work better with
14263 haifa. Add scheduling parameters for the 7200.
14265 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
14267 (schedule_block): When adjusting basic_block_{head,end}, account
14268 for movement of SCHED_GROUP_P insns too.
14270 * haifa-sched.c (debug_dependencies): Fix thinko.
14272 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
14273 (site.exp, check, check-g++, check-gcc): New targets.
14275 * haifa-sched.c: Make lots of variables static.
14277 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
14279 * expr.h, real.h: Finish prototyping.
14281 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
14283 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
14284 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
14285 * reload1.c: Undo bugfix from Aug 11.
14287 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
14289 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
14290 quotes around the name.
14291 * configure: Regenerate.
14293 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
14295 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
14297 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
14299 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
14300 to sub-makes to avoid building more passes than the user might have
14301 requested on the command line.
14303 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
14305 * configure.in: Expurgate `broken_install' (install is
14308 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
14311 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
14313 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
14314 functions and declarations.
14315 (analyze_loop_iterations): Use condjump_p.
14316 (insert_bct): Likewise. Use exact_log2.
14318 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
14320 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
14321 (schedule_region): Likewise.
14322 (schedule_insns): Likewise.
14324 * PROJECTS: Update with Haifa stuff.
14326 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
14328 * version.c: Change the version string to look like:
14329 egcs-2.90.00 970814 (gcc2-970802 experimental).
14331 * loop.c (is_conditional_branch): Make definition match declaration.
14333 * gcc.c: Take out experimental snapshot warning message.
14335 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
14337 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
14338 print out the names of the notes. Print out the name of the insn
14339 that is not a note, and not an {,CALL_,JUMP_}INSN.
14341 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
14343 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
14344 again for the slot after we give it RTL.
14346 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
14348 * configure.in (haifa configury): Fix typo.
14349 * configure: Regenerate.
14351 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
14353 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
14355 * gcc.info*: Rebuilt.
14357 * COPYING.g77, README.g77: New files.
14358 * real.c (ereal_unto_float, ereal_unto_double): New functions.
14359 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
14360 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
14362 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
14364 * Integrate Haifa instruction scheduler.
14365 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
14366 to sched with $(SCHED_CFLAGS.
14367 * configure.in: Handle --enable-haifa.
14368 * configure: Rebuilt.
14369 * flags.h: Add new flags for haifa instruction scheduler.
14370 * genattrtab.c (expand_units): For haifa, don't subtract one
14371 when computing blockage.
14372 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
14373 (flag_schedule_speculative): Ditto.
14374 (flag_schedule_speculative_load): Ditto.
14375 (flag_schedule_speculative_load_dangerous): Ditto.
14376 (flag_schedule_reverse_before_reload): Ditto.
14377 (flag_schedule_reverse_after_reload): Ditto.
14378 (flag_branch_on_count_reg): Ditto.
14379 (f_options): Add Haifa switches.
14380 (main): Turn off some Haifa options if appropriate macro is
14381 defined. Process Haifa switches.
14382 * unroll.c (iteration_info): No longer static, since Haifa
14384 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
14385 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
14386 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
14387 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
14388 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
14389 storage for the Haifa scheduler.
14390 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
14392 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
14393 are defined, call analyze_loop_iterations and insert_bct to use
14395 (record_giv): Refine test for jumps out of loops if HAIFA is
14397 (analyze_loop_iterations): New function to identify if we can use
14399 (insert_bct): Insert countdown loop.
14400 (instrument_loop_bct): Low level code to insert countdown loop.
14401 (loop_number): Calculate UID of loop.
14402 (indirect_jump_in_function_p): Return true if an indirect jump is
14404 (is_power_of_2): Return true if value is a power of 2.
14405 (is_conditional_branch): Return true if insn is a conditional
14407 (fix_bct_param): Process -fbct-{min,max}-N switches.
14408 (check_bct_param): Return true if loop should be instrumented.
14409 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
14410 (loop_optimize): Initialize.
14411 (get_condition_for_loop): Ditto.
14412 * loop.c (strength_reduce): Inside of code that uses #ifdef
14413 HAVE_decrement_and_branch_on_count code, test it to make sure the
14415 (instrument_loop_bct): Ditto.
14416 * haifa-sched.c: New file.
14419 * Integrate regmove pass.
14420 * Makefile.in (OBJS): Add regmove.o
14421 (regmove.o): Add dependencies.
14422 * flow.c (find_use_as_address): No longer static.
14423 * rtl.h (find_use_as_address): Declare.
14424 * toplev.c (regmove_dump, flag_regmove): Define.
14425 (f_options): Add -fregmove.
14426 (regmove_dump_file, regmove_time): Define.
14427 (fatal_insn): Close the regmove dump file.
14428 (compile_file): Initialize regmove_time; open/close the regmove dump
14429 file as needed. Print regmove time as needed.
14430 (rest_of_compilation): Run regmove pass if requested, dump
14431 RTL after regmove if requested.
14432 (main): If -O2 or more, turn on regmove. Handle dump switches.
14433 * regmove.c: New file.
14435 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
14437 * Integrate tlink patch from jason@cygnus.com
14438 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
14439 (process_command): Increment n_switches for them. Don't discard
14440 their args. Validate them.
14441 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
14443 (process_command): Set include_prefixes from COMPILER_PATH.
14444 (main): Set COLLECT_GCC_OPTIONS sooner.
14445 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
14446 * tlink.c, hash.c, hash.h: New files.
14447 * Makefile.in (USE_COLLECT2): Always use collect2.
14448 (collect2): Depend on and link in hash.o and tlink.o.
14449 (tlink.o, hash.o): Add dependencies.
14451 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
14453 * Integrate alias analysis changes from jfc@mit.edu
14454 * Makefile.in (OBJS): Add alias.o
14455 (alias.o): Add dependencies.
14456 * alias.c: New file.
14457 * sched.c: Remove alias analysis code. It lives in alias.c now.
14458 (sched_analyze_2): Add new arguments to true_dependence.
14459 (schedule_insns): Always call init_alias_analysis.
14460 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
14461 mark return value from such functions as a pointer and keep track of
14462 them for alias analysis. If a return value from a function is a
14463 pointer, mark it as such.
14464 * combine.c (distribute_notes): Handle REG_NOALIAS.
14465 * cse.c (struct write_data): Delete. No longer needed.
14466 (invalidate): Don't call set_nonvarying_address_components anymore.
14467 Use true_dependence to decide if an entry should be removed from
14469 (invalidate_memory): Remove WRITES argument, simplify appropriately.
14471 (note_mem_written): Similarly for WRITE_PTR argument.
14472 (invalidate_from_clobbers): Similarly for W argument.
14473 (invalidate_for_call): Remove memory elements from the hash table.
14474 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
14475 (cse_rtx_varies_p): New function. Derived from old
14476 cse_rtx_addr_varies_p.
14477 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
14478 Don't call note_mem_written anymore. Stack pushes invalidate the stack
14479 pointer if PUSH_ROUNDING is defined. No longer need to call
14480 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
14481 (skipped_writes_memory): Remove variable.
14482 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
14483 (invalidate_skipped_block): Simplify for new alias analysis code.
14484 (cse_set_around_loop): Likewise.
14485 (cse_main): Call init_alias_analysis.
14486 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
14487 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
14488 (f_options): Add new alias checking arguments.
14489 (main): Set flag_alias_check when optimizing.
14490 * local_alloc (validate_equiv_mem_from_store): Add new arguments
14491 to true_dependence.
14492 (memref_referenced_p): Likewise.
14493 * loop.c (NUM_STORES): Increase to 30.
14494 (prescan_loop): Only non-constant calls set unknown_address_altered.
14495 (invariant_p): Add new arguments to true_dependence.
14496 (record_giv): Initialize unrolled and shared fields.
14497 (emit_iv_add_mult): Call record_base_value as needed.
14498 * loop.h (struct induction): Add unrolled and shared fields.
14499 * unroll.c (unroll_loop): Call record_base_value as needed.
14500 (copy_loop_body): Likewise.
14501 (final_biv_value): Likewise.
14502 (final_giv_value): Likewise.
14503 (find_splittable_regs): Likewise. Only create one new pseudo
14504 if we have multiple address GIVs that were combined with the same
14505 dst_reg GIV. Note when a new register is created due to unrolling.
14506 * rtl.c (reg_note_name): Add REG_NOALIAS.
14507 * rtl.h (enum reg_note): Similarly.
14508 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
14509 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
14510 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
14511 (true_dependence, read_dependence, anti_dependence): Likewise.
14512 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
14513 (mark_user_reg, mark_reg_pointer): Likewise.
14516 * Integrate reload bugfix from Wilon which enables the PA port
14517 to bootstrap again.
14518 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
14519 OPERAND_ADDRESS when computing how many registers an insn needs.
14520 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
14522 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
14523 OPADDR_ADDR reload.
14524 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
14525 in reload_reg_use_in_op_addr do not reach the end.
14526 do not reach the end.
14527 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
14528 RELOAD_FOR_OPERAND_ADDRESS.
14530 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
14532 * egcs project officially starts.
14535 add-log-time-format: current-time-string