1 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3 * loop.c (load_mems): Fix initializers.
5 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7 * config/sparc/sparc.md (TFmode splits): Handle destination
8 registers being referenced in the address correctly.
10 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11 TREE_UNSIGNED, when bitsize of type's mode is larger than
12 HOST_BITS_PER_WIDE_INT.
14 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
16 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
17 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
18 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
20 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
23 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
25 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
26 * h8300.h (TINY_DATA_NAME_P): Likewise.
27 (STRIP_NAME_ENCODING): Handle '&'.
29 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
30 register (it could be accessed via an outer SUBREG).
31 (REG_OK_FOR_BASE_P): Likewwise.
32 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
34 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
37 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
39 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
41 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
42 must be offsettable so the splits can be made.
44 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
46 * config/i386/winnt.c: Include system.h, not stdio.h to get
47 sys/param.h pulled in before rtl.h in case the system defines MIN
50 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
52 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
54 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
56 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
58 * cpplib.c (cpp_define): Handle macros with parameters.
60 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
62 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
63 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
64 and DImode 64-bit. Use llong for minimal-toc SFmode and
65 SYMBOL_REF / LABEL_REF 64-bit.
66 (output_function_profiler): Use llong for profiler label and ld to
67 load 64-bit label address.
69 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
71 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
74 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
76 * version.c: Bump for snapshot.
78 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
80 * version.c: Bump for snapshot.
82 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
84 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
86 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
88 * tm.texi (Misc): Fix typo "teh".
90 * tm.texi (PIC): Fix typo "PPIC".
92 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
93 effect when -O2 and higher.
94 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
96 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
98 * regclass.c: Changed register set documentation to be consistent
101 * final.c (final_start_function) Removed redundant test for
104 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
106 * rtl.h (rtx_function): New type.
107 (for_each_rtx): New function.
108 * rtlanal.c (for_each_rtx): Define it.
110 * recog.c (change_t): New type.
111 (change_objects, change_old_codes, change_locs, change_olds):
113 (changes): New variable.
114 (validate_change): Dynamically allocate room for more changes, if
115 necessary. Uses changes array instead of change_objects, etc.
116 (apply_change_group): Use changes array instead of
119 * loop.c (loop_mem_info): New type.
120 (loop_mems): New variable.
121 (loop_mems_idx): Likewise.
122 (looop_mems_allocated): Likewise.
123 (scan_loop): Remove nregs parameter.
124 (next_insn_in_loop): New function.
125 (load_mems_and_recount_loop_regs_set): Likewise.
126 (load_mems): Likewise.
127 (insert_loop_mem): Likewise.
128 (replace_loop_mem): Likewise.
129 (replace_label): Likewise.
130 (INSN_IN_RANGE_P): New macro.
131 (loop_optimize): Don't pass max_reg_num() to scan_loop.
132 (scan_loop): Remove nregs parameter, compute it after any new
133 registers are created by load_mems. Use INSN_IN_RANGE_P and
134 next_insn_in_loop rather than expanding them inline. Call
135 load_mems to load memory into pseudos, if appropriate.
136 (prescan_loop): Figure out whether or not there are jumps from the
137 loop to targets other than the label immediately following the
138 loop. Call insert_loop_mem to notice all the MEMs used in the
139 loop, if it could be safe to pull MEMs into REGs for the duration
141 (strength_reduce): Use next_insn_in_loop. Tweak comments.
143 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
145 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
147 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
149 * config/sparc/sparc.c (finalize_pic): Check for the correct
150 nonlocal_goto_receiver UNSPEC number.
151 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
152 making note of this dependency existing in sparc.c
153 (negtf2_notv9 split): Give NEG SFmode.
154 (negsf2): Fix insn output string.
156 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
158 * c-common.c (decl_attributes): Issue an error if the argument
159 to alias is not a string.
161 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
163 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
164 pending memory flush list.
166 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
168 (try_combine): Allow combining insns with REG_LIBCALL notes.
170 * expr.c (emit_block_move): Do not call memcpy as a libcall
171 instead build up a CALL_EXPR and call it like any other
173 (clear_storage): Similarly for memset.
175 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
178 * Makefile.in (cplus-dem.o): Provide explicit rules for building
181 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
182 and REG_LIVE_LENGTH as successful substitutions are made.
184 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
186 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
187 statement after end of loop label.
189 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
191 * config/sparc/sparc.c (ultra_types_avail): New variable.
192 (ultra_build_types_avail): New function to record mask of insn
193 types in ready list at this cycle.
194 (ultrasparc_sched_reorder): Call it.
195 (ultra_find_type): Use it to quicken the search. Also simplif
196 dependency check, don't use rtx_equal_p because we know exactly
197 what we are looking for.
199 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
201 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
204 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
206 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
208 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
209 movdf_const_intreg and helper splits): New patterns to move float
210 constants into integer registers.
211 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
214 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
217 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
219 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
221 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
222 a BASE_REGS register is needed as an intermediate when copying
223 a symbolic value into any register class other than BASE_REGS.
225 * expr.c (move_by_pieces): No longer static. Remove prototype.
226 * rtl.h (move_by_pieces): Add extern prototype.
227 * mips.c (expand_block_move): Handle aligned straight line copy by
228 calling move_by_pieces.
230 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
233 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
235 * stmt.c (expand_end_loop): Tidy. Allow unconditional
236 jumps out of the loop to be treated as part of the exit test.
238 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 Jeff Law <law@cygnus.com>
241 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
242 * cplus-dem.c: Delete.
244 * Makefile.in (fold-const.o): depend on $(RTL_H).
246 * fold-const.c: Include rtl.h to get the prototype for
247 `set_identifier_local_value'.
249 * loop.c (express_from_1): Remove unused variable `tmp'.
250 (combine_givs): cast the first argument of bzero to char *.
252 * toplev.c (display_help): Remove unused variable `looking_for_start'.
254 * c-decl.c (init_decl_processing): Remove unneeded &.
256 * alpha.h (alpha_initialize_trampoline): Provide prototype.
258 * except.c (set_exception_lang_code, set_exception_version_code):
259 Change parameter from `short' to `int' to avoid using a gcc
262 * except.h (set_exception_lang_code, set_exception_version_code):
263 Likewise for prototypes.
265 * flow.c (count_reg_references): Remove unused variables `regno'
268 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
270 * prefix.c (translate_name): Cast the result of `alloca'.
272 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
274 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
276 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
278 (valid_dbcc_comparison_p): Mark mode argument as unused.
279 (symbolic_operand): Likewise.
280 (legitimize_pic_address): Likewise.
281 (const_uint32_operand): Likewise.
282 (const_sint32_operand): Likewise.
283 * sched.c [!INSN_SCHEDULING]: Define only dummy function
284 schedule_insns and comment out rest of file.
286 * m68k.c (output_move_simode_const): Use subl to move a zero into an
288 (output_move_[hq]imode): Likewise.
290 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
292 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
293 * invoke.texi: Corresponding changes.
295 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
297 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
299 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
301 * config/sparc/sparc.c (ultra_code_from_mask,
302 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
303 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
304 ultrasparc_sched_init, ultrasparc_variable_issue,
305 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
306 functions to describe UltraSPARC pipeline exactly to Haifa.
307 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
308 as there is nothing the scheduler can do about it. Indicate that
309 REG_DEP_OUTPUT's collide. Fixup formatting.
310 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
311 divide costs on Ultra for DImode.
312 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
314 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
315 ieuN and add call_no_delay_slot to type list.
316 (cti function unit): New unit for branches on UltraSPARC.
317 (subx/addx insns): Set type to misc.
318 (sidi zero/sign extension insns on arch64): Set type to shift.
319 (sign_extendhidi2_insn): Set type to sload.
321 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
323 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
324 (output_epilog): Use if != 0 for offset.
325 (rs6000_fatal_bad_address): Prepare for Intl.
326 * rs6000.h (rs6000_fatal_bad_address): Declare.
327 * rs6000.md (movsfcc, movdfcc): Use else if.
328 (elf_high): Use {liu|lis}.
329 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
330 (movsi): Use rs6000_fatal_bad_address.
332 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
334 * reload.c (find_equiv_reg): Reject equivalences separated
335 by a volatile instruction.
337 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
339 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
341 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
343 * alpha.md (movsicc): Fix mode mismatch.
345 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
347 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
349 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
351 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
353 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
354 write-only modifier from operand 1 constraint.
356 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
358 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
359 emitting a XOR of -1 at the end, emit a NOT instead for combine's
361 (sparc_emit_set_const64): Likewise, also when computing trailing
362 bits do not negate low_bits and make fast_int an int.
364 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
366 * loop.c (add_label_notes): Do not ignore references to labels
367 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
368 * gcse.c (add_label_notes): Similarly.
370 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
372 * m68k.md (adddi_dilshr32): One of the operands must be a register.
373 (adddi_dishl32): Similarly.
375 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
377 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
378 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
379 * cse.c (cse_basic_block): Add parens to shut up warnings.
381 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
383 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
384 sparc_emit_set_const64_longway, const64_is_2insns,
385 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
386 in 64-bit constant formation.
387 * config/sparc/sparc.md (snesi_zero_extend split): Generate
388 rtl for addx not subx.
389 (define_insn movdi_const64_special): Make available even when
390 HOST_BITS_PER_WIDE_INT is not 64.
391 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
392 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
393 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
394 instances of operand 1 inside a QI subreg.
395 (xordi3_sp64_dbl): Remove '%' constraint for op1.
396 (one_cmpldi2_sp64): Fix output string.
397 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
399 (unnamed arch64 ashift DI): Truncate shift count if greater than
402 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
404 * expr.c (store_expr): Don't optimize away load-store pair
405 when either source or destination have a side effect.
407 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
409 * genrecog.c (add_to_sequence): Fatal error if the modes of the
410 operands of SET are incompatible.
412 * alpha.md: Fix max and min patterns so modes of SET operands match.
414 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
416 * configure.in: Avoid [[ by using test and changequote.
417 * configure: Rebuild.
419 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
421 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
423 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
424 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
425 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
426 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
427 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
428 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
429 Fix mismatching modes in SET operands.
430 (conditional move patterns): Fix formatting.
431 (unnamed subx arch64 pattern): Remove duplicate insn.
433 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
435 * config/sparc/sparc.c (const64_operand, const64_high_operand):
436 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
437 (input_operand): Fixup test for what we accept for constant
439 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
441 (safe_constDI): Remove.
442 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
443 gen_safe_XOR64): New functions.
444 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
445 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
447 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
448 available when HOST_BITS_PER_WIDE_INT is not 64.
449 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
450 move before movdi_insn_sp64 pattern.
451 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
452 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
453 symbolic_operand as predicate for second operand.
454 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
455 expander): Give set VOIDmode.
457 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
459 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
461 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
463 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
465 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
467 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
469 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
471 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
473 * install.texi: Various SCO OpenServer tweaks.
475 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
477 * reload1.c (eliminate_regs_in_insn): Handle another case when
478 eliminating the frame pointer to the hard frame pointer. Add
479 missing ep->to_rtx check to one existing case.
481 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
483 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
485 * tree.h: De-conditionalize init_priority code.
487 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
488 * collect2.c (NM_FLAGS): Change from -p to -n.
490 * configure.in: Turn on collect2 for mipstx39-elf.
491 Handle use_collect2=no properly.
493 * c-common.c: De-conditionalize init_priority code.
494 * collect2.c (extract_init_priority, sort_ids): New fns.
495 (main): Call sort_ids.
496 Move sequence_number to file scope.
498 * configure.in: Handle --enable-init-priority.
499 * c-common.c (attrs): Add A_INIT_PRIORITY.
500 (init_attributes, decl_attributes): Likewise.
501 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
502 * tree.c (get_file_function_name_long): Split out...
503 (get_file_function_name): ...from here.
505 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
507 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
510 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
512 * toplev.c (display_help): Add braces to shut up warnings.
513 * tree.c (simple_cst_equal): Likewise.
515 * fold-const.c (non_lvalue): Don't deal with null pointer
517 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
519 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
520 of any size to a pointer.
522 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
524 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
526 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
528 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
530 * mn10300.md (prologue insn): Only save registers which need saving.
531 (epilogue insn): Similarly.
533 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
536 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
538 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
539 VAR_DECL's in gp addressable sections.
541 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
543 * sparc.c: Change return <exp> to <exp>; return; in functions
545 * sparc.md: Add empty semicolon statement after final label in
548 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
550 * config/sparc/sparc.md (define_insn addx_extend): Rename to
551 addx_extend_sp64, only allow when TARGET_ARCH64.
552 (define_insn addx_extend_sp32 and split): Version that works when
554 (define_insn subx_extend): Likewise.
555 (define_split adddi3 and subdi3 with zero extension): Fixup and
556 correct bugs when not TARGET_ARCH64.
558 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
560 * except.c (set_exception_lang_code, set_exception_version_code):
561 Use prototype-style definition if __STDC__, to match declaration
564 * genemit.c: Change FAIL and DONE macros not to use loops.
566 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
568 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
569 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
571 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
573 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
575 * README.g77: Update from Craig.
577 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
579 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
581 (safe_constDI sparc_emit_set_const64_quick1,
582 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
583 analyze_64bit_constant, const64_is_2insns,
584 create_simple_focus_bits): Fix some bugs when compiled on real
586 (function_arg_record_value_3, function_arg_record_value_2,
587 function_arg_record_value): Add fully prototyped forward decls.
588 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
589 to cmpsi_insn and use on both 64 and 32 bit targets.
590 (define_insn cmpsi_insn_sp64): Remove.
591 (define_expand zero_extendsidi2): Allow for 32-bit target too.
592 (define_insn zero_extendsidi2_insn): Rename to
593 zero_extendsidi2_insn_sp64.
594 (define_insn zero_extendsidi2_insn_sp32): New pattern and
595 assosciated forced split for it.
597 * config/sparc/sparc.c (const64_operand, const64_high_operand):
599 * config/sparc/sparc.h: Declare them.
600 (PREDICATE_CODES): Add them.
601 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
602 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
604 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
606 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
607 in v9 case as the latter makes the Solaris assembler crash.
609 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
611 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
612 for TFmode when !v9. We require offsettable memory addresses.
613 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
614 DFmode register number conversions.
615 * config/sparc/sparc.md (define_split DFmode moves): If register
616 is a SUBREG do alter_subreg on it before using.
617 (define_expand movtf): Fixup comment about alignment on v9.
618 (define_split TFmode moves): Don't use gen_{high,low}part, create
619 explicit SUBREGs instead.
621 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
623 * Makefile.in (mbchar.o): Depend on mbchar.c.
625 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
626 Richard Henderson <rth@cygnus.com>
628 Rewrite Sparc backend for better code generation and
629 improved sparc64 support.
630 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
632 * config/sparc/sysv4.h: Likewise.
633 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
634 move_operand, v8plus_regcmp_op, emit_move_sequence,
635 singlemove_string, doublemove_string, mem_aligned_8,
636 output_move_double, output_move_quad, output_fp_move_double,
637 move_quad_direction, output_fp_move_quad, output_scc_insn):
639 (small_int_or_double): New predicate.
640 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
641 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
642 old pic_{sethi,lo_sum}_si patterns.
643 (mem_min_alignment): New generic function to replace
644 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
645 available and can test for arbitrary alignments. All callers
647 (save_regs, restore_regs, build_big_number,
648 output_function_prologue, output_cbranch, output_return,
649 sparc_flat_save_restore, sparc_flat_output_function_prologue,
650 sparc_flat_output_function_epilogue): Prettify
652 (output_function_epilogue): Likewise and add code to output
653 deferred case vectors.
654 (output_v9branch): Likewise, add new arg INSN and use it to tack
655 on branch prediction settings. All callers changed.
656 (print_operand): Likewise and output %l44 for LO_SUMs when
658 (sparc_splitdi_legitimate): New function to make sure DImode
659 splits can be run properly when !arch64.
660 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
661 Reformat example code in comments.
662 (set_extends): Remove UNSPEC/v8plus_clear_high case.
663 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
664 of deferred case vectors we need to output.
665 (sparc_defer_case_vector): Record a case vector.
666 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
667 sparc_output_deferred_case_vectors): New functions to output them.
668 (sparc_emit_set_const32): New function to form 32-bit constants in
669 registers when that requires more than one instruction.
670 (safe_constDI, sparc_emit_set_const64_quick1,
671 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
672 analyze_64bit_constant, const64_is_2insns,
673 create_simple_focus_bits, sparc_emit_set_const64): New functions
674 which do the same for 64-bit constants when arch64.
675 (sparc_emit_set_symbolic_const64): New function to emit address
676 loading for all code models on v9.
677 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
678 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
679 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
680 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
681 inaccuracies in comments, add symbolic and text_segment operands
682 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
683 GENERAL_REGS in these cases as a temp REG is needed to load these
684 addresses into a register properly.
685 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
687 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
688 quads are guarenteed to have 16-byte alignment.
689 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
690 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
691 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
692 deferred case vector implementation.
693 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
694 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
695 Generate "internal label - label" instead of "label - 1b".
696 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
697 (PREDICATE_CODES): Remove sparc_operand, move_operand,
698 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
700 (doublemove_string, output_block_move, output_fp_move_double,
701 output_fp_move_quad, output_move_double, output_move_quad,
702 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
703 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
704 (sparc_emit_set_const32, sparc_emit_set_const64,
705 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
706 mem_min_alignment, small_int_or_double): Add externs.
707 * config/sparc/sparc.md: Document the many uses of UNSPEC and
708 UNSPEC_VOLATILE in this backend.
709 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
710 unary to types which execute in it.
711 (define_function_unit ieu_shift): Rename to ieu0.
712 (define_function_unit ieu1): New, executes compare, call, and
713 uncond_branch type insns.
714 (define_function_units for type fdivs, fdivd, fsqrt): These
715 execute in the fpu multiply unit not the adder on UltraSparc.
716 (define_expand cmpdi): Disallow TARGET_V8PLUS.
717 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
718 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
719 allows the arith_double_operand predicate and rHI constraint when
721 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
722 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
723 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
724 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
725 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
726 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
727 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
728 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
729 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
730 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
731 sign_extendqihi2_insn, sign_extendqisi2_insn,
732 sign_extendqidi2_insn, sign_extendhidi2_insn,
733 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
734 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
735 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
736 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
737 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
738 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
739 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
740 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
741 smulsi3_highpart_v8plus, unnamed subreg mult,
742 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
743 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
744 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
745 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
746 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
747 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
748 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
749 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
750 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
751 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
752 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
753 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
754 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
755 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
756 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
757 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
758 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
759 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
760 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
761 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
762 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
763 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
764 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
765 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
766 call_address_untyped_struct_value_sp32,
767 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
768 call_value_symbolic_sp32, call_value_address_sp64,
769 call_value_symbolic_sp64, branch_sp32, branch_sp64,
770 flush_register_windows, goto_handler_and_restore,
771 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
772 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
773 return_addsi, return_di, return_adddi, return_sf, all call+jump
774 peepholes, trap, unnamed trap insns): Prettify output strings.
775 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
776 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
777 Likewise and force + implement splits for integer cases.
778 (define_insn return_sf_no_fpu): Likewise and allow to match when
779 no-fpu because of our subreg SFmode splits.
780 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
781 zero_extendqidi2_insn, zero_extendhidi2_insn,
782 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
783 input_operand for second operand.
784 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
785 reg_or_0_operand for operand 2 so new splits can use it.
786 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
787 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
789 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
790 CONST_DOUBLEs for operand 2.
791 (define_insn move_label_di): Likewise and label distance
792 optimization because it no longer works with new deferred case
793 vector scheme. To be revisited.
794 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
795 and allow reg_or_0_operand and J constraint for second operand.
796 (define_insn jump): Set branch predict taken on V9.
797 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
798 new deferred case vector scheme.
799 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
800 (define_insn negdi2_sp32): Force + implement splits.
801 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
802 one_cmplsi2_not_liveg0 respectively, and create expander of original
803 names which emit special rtl for TARGET_LIVE_G0.
804 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
805 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
806 gen_compare_reg, FAIL instead.
807 (define_insn sgtu, sleu): Likewise and check gen_s*() return
808 values when trying to reverse condition codes, if they FAIL then
810 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
811 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
812 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
813 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
814 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
815 set output string to # to indicate they are mandatory splits.
816 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
817 pic_sethi_di, move_pic_label_si): Remove.
818 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
819 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
821 (define_expand movsi_pic_label_ref, define_insn
822 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
823 expander and insns to handle PIC label references and deferred
825 (define_insn get_pc_via_rdpc): Comment out as it is no longer
827 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
828 Rewrite to not use emit_move_sequence, make use of new constant
829 formation code, and new splits for all multi-insn cases.
830 (define_insn movqi_insn): Remove sethi case, it can never happen.
831 Use reg_or_zero_operand instead of const0_rtx explicit test,
832 use input_operand instead of move_operand for source, and use
833 general_operand now for dest.
834 (define_insn movhi_insn): Similar but leave sethi case.
835 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
836 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
837 movhi_lo_sum respectively, prettify output string.
838 (define_insn movsi_zero_liveg0): New pattern to put zero into a
839 register when needed on TARGET_LIVE_G0.
840 (define_insn movsi_insn): Use general_operand and input_operand
841 for dest and src respectively. Simplify applicability test.
842 Prettify output strings, and add clr alternative for J
844 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
845 deprecated std and reg-reg DI moves): Remove and...
846 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
847 implementation which uses forced splits for all non-single insn
849 (define_split DI move cases on !arch64): New splits to handle all
850 situations of 64-bit double register DImode on 32bit, and
851 unaligned registers and memory addresses for all subtargets.
852 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
854 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
855 input_operand for dest and src respectively, prettify output
857 (define_insn movdf_insn, movdf_no_e_insn, store_df,
858 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
860 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
861 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
862 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
863 movtf_no_e_insn_sp64) Replace with new
864 implementation which uses forced splits for all non-single insn
866 (define_split DF move cases): New splits in similar vein to DI
868 (define_insn sethi_di_medlow, sethi_di_medium_pic,
869 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
870 movdi_sp64_insn): Remove old v9 code model and constant loading
872 (define_insn pic_lo_sum_di, pic_sethi_di,
873 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
874 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
875 embmedany_sethi, embmedany_losum, embmedany_brsum,
876 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
877 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
878 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
879 scheme, using unspecs, secondary reloads, and one to one sparc
880 insn to rtl insn mapping for better scheduling and code gen.
881 (define_expand reload_indi, reload_outdi): Reload helpers for
882 MEDANY and EMBMEDANY symbol address loading cases which require a
884 (define_expand movsicc): Remove v8plus_regcmp cases.
885 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
886 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
887 cmp_diqi_trunc_set): New patterns used by some of the new scc
889 (define_insn xordi3_sp64_dbl): New pattern used for constant
890 formation when crossing from 32-bit targets.
891 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
893 (define_insn addx, subx): Make visible and prettify.
894 (define_insn adddi3_insn_sp32): Likewise and force split.
895 (define_insn addx_extend, subx_extend, unnamed): New patterns for
896 64bit scc split usage.
897 (define_insn unnamed plusDI zero_extend, unnamed minusDI
898 zero_extend, subdi3): Force and implement splits.
900 * final.c (final_scan_insn): Don't output labels if target
901 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
904 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
905 don't forget to walk inside SEQUENCESs too as these are what the
906 delay slot scheduler will create.
908 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
910 * alpha.md (extxl+1,+2): New patterns to work around
913 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
915 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
916 caused bad assembly code to be generated.
918 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
920 * netbsd.h: Fix typo.
922 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
924 * config.sub: Fix typo.
926 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
928 * invoke.texi (Environment Variables): Typo: Change "ascpects"
930 (Running Protoize): Typo: Change "ther" into "other".
932 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
934 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
935 * m68k/netbsd.h: Likewise.
936 * ns32k/netbsd.h: Likewise.
937 * sparc/netbsd.h: Likewise.
939 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
941 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
942 * ginclude/va-clipper.h (va_list): Likewise.
944 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
946 * rs6000.c (rs6000_override_options): If big endian and -Os, use
947 load/store multiple instructions unless user overrides.
949 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
951 * ns32k/netbsd.h: Fix typo.
953 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
955 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
956 labels with .debugsym if no parallel insns.
958 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
960 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
961 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
963 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
965 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
966 (AR_FOR_TARGET): Define.
968 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
970 * dyn-string.h: New file.
971 * dyn-string.c: Likewise.
972 * Makefile.in (OBJS): Add dyn-string.o.
973 (dwarf2out.o): Add dyn-string.h dependency.
974 (dyn-string.o): List dependencies.
975 * dwarf2out.c: Include dyn-string.h.
976 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
977 (addr_const_to_string): Take a dyn_string_t, not a char* as a
978 prototype. Use dyn_string_append rather than strcat, throughout.
979 (addr_to_string): Use dyn_string_t.
981 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
983 Function entry/exit profiling instrumentation:
984 * expr.h (profile_function_entry_libfunc,
985 profile_function_exit_libfunc): Declare new variables.
986 * optabs.c: Define them here.
987 (init_optabs): Initialize them.
988 * tree.h (struct tree_decl): New flag
989 no_instrument_function_entry_exit.
990 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
991 * c-decl.c (duplicate_decls): Merge it.
992 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
993 (init_attributes): Use it for "no_instrument_function".
994 (decl_attributes): Handle it, for functions that have not yet been
995 compiled. Set decl flag.
996 * flags.h (flag_instrument_function_entry_exit): Declare new
998 * toplev.c (flag_instrument_function_entry_exit): Define it here.
999 (f_options): New option "instrument-functions".
1000 * function.h (struct function): New field instrument_entry_exit.
1001 * function.c (current_function_instrument_entry_exit): New
1003 (push_function_context_to, pop_function_context_from): Save and
1005 (expand_function_start): Set current_ variable, maybe emit return
1006 label and entry profile call.
1007 (expand_function_end): Maybe emit exit profile call.
1009 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
1011 * i386.md (movqi): When optimizing a load of (const_int 1) into a
1012 NON_QI_REG_P, pretend the register is SImode.
1014 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
1016 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
1017 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
1018 manufacturer id for ns32k.
1019 * configure: Regenerated.
1020 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
1021 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
1022 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
1023 * config/m68k/netbsd.h: Same.
1024 * config/ns32k/netbsd.h: Same.
1025 * config/sparc/netbsd.h: Same.
1027 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
1029 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
1030 or UNROLL_COMPLETELY loop that starts with a jump to its
1033 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
1035 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
1036 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
1037 (print_operand, case 'B'): Don't fall through.
1038 (print_operand, case 'S'): Correct mask begin/end computation.
1039 Use HOST_BITS_PER_WIDE_INT.
1040 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
1041 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
1042 * rs6000/aix41.h (CPP_PREDEFINES): Same.
1043 * rs6000/aix43.h (CPP_PREDEFINES): Same.
1045 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
1047 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
1048 constraint from second alternative.
1050 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1052 * configure.in: Fix --without/--disable cases for local-prefix,
1053 gxx-include-dir and checking.
1055 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1057 * configure.in (enable_haifa): Set by default for sparc64 too.
1060 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1062 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
1063 * i386/winnt.c (associated_type): New fn.
1064 (i386_pe_valid_type_attribute_p): New fn.
1065 (i386_pe_check_vtable_importexport): Remove.
1066 (i386_pe_dllexport_p): Use associated_type.
1067 (i386_pe_dllimport_p): Likewise.
1069 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
1070 * i386.c (i386_valid_type_attribute_p): Also accept
1071 attributes for METHOD_TYPEs.
1073 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
1075 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
1077 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
1079 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
1081 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
1082 them from generating a new base name for each occurence of
1085 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
1087 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
1089 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
1093 * cplus-dem.c (type_kind_t): New type.
1094 (demangle_template_value_parm): Add type_kind_t parameter. Rely
1095 on this paramter, rather than demangling the type again.
1096 (demangle_integral_value): Pass tk_integral.
1097 (demangle_template_: Pass the value returned from do_type.
1098 (do_type): Return a type_kind_t. Pass tk_integral to
1099 demangle_template_value_parm for array bounds.
1100 (demangle_fund_type): Likewise.
1102 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
1104 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
1107 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
1109 * pa.c (move_operand): Accept CONSTANT_P_RTX.
1111 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
1113 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
1115 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
1118 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
1120 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
1121 (DEBUGGER_ARG_OFFSET): Likewise.
1123 * mn10300.md (movsf): Remove last change. Not needed.
1125 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
1127 * c-lex.c (yylex): Fix boundary conditions in character literal and
1128 string literal loops.
1130 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
1132 * longlong.h (count_leading_zeros): Sparclite scan instruction was
1133 being invoked incorrectly.
1135 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
1136 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
1138 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
1139 * configure.in: Added i[34567]86-*-win32
1140 * config.sub: Ditto.
1141 * configure: Rebuilt.
1143 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
1145 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
1146 the frame pointer and compiling PIC code and reload has not completed.
1148 * i386.c (output_to_reg): Add code to emulate non-popping DImode
1151 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
1153 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
1155 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1157 * Makefile.in (install-info): Only try to update the info
1158 directory file if it exists in the first place.
1160 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
1162 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
1164 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
1166 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
1167 CONST_DOUBLE source.
1169 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
1171 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
1172 strings as the insertion of USER_LABEL_PREFIX.
1173 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
1175 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
1178 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
1180 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
1181 already defined type.
1183 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
1185 * expr.c (check_max_integer_computation_mode): Allow conversions
1186 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
1187 (expand_expr): Likewise.
1189 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1191 * expr.c (expand_expr): Expand RETURN_EXPR.
1193 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
1195 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
1197 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
1199 * dwarf2out.c (output_aranges): Call stripattributes
1200 for TEXT_SECTION references.
1201 (output_line_info): Likewise.
1203 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1205 * profile.c (branch_prob): Call allocate_reg_info after outputting
1206 profile rtl in instrument_arcs.
1208 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
1210 * fixinc.irix (math.h): Install wrapper instead of copying.
1212 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1214 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
1215 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
1216 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
1217 lang_flag_0. Added documentation in the flag table.
1219 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
1221 * cccp.c (do_include): Fix vax c style include handling.
1223 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1225 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
1227 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1229 * fold-const.c (non_lvalue): Don't deal with null pointer
1231 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1233 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
1235 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
1236 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
1237 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
1238 (u_short_cint_operand): Same.
1239 (reg_or_cint_operand): Same.
1240 (logical_operand): Same.
1241 (input_operand): Same.
1242 (reg_or_short_operand): Use u_short_cint_operand.
1244 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
1246 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
1247 but keep the insns and splits. Adjust so when the ultimate destination
1248 is memory, use cvtql.
1250 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
1252 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
1254 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
1256 * gcc.c (do_spec): Call "error" not "warning".
1258 * configure.in: Fix minor problems with gas feature detection code.
1259 * configure: Rebuilt.
1261 * gcc.c (do_spec): Issue a warning for '%[]' usage.
1264 * gcc.c: Delete %[spec] support.
1265 (do_spec_1, case '('): Likewise.
1266 (do_spec_1, case '['): Call error.
1268 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
1270 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
1271 (CPP_SUBTARGET_SPEC): Default to empty string.
1272 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
1273 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
1274 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
1275 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
1277 * alpha/linux.h (CPP_PREDEFINES): Tidy.
1278 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
1279 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
1280 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
1281 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
1282 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
1283 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
1284 * alpha/vxworks.h: Likewise.
1286 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
1288 * mips.md (reload_outsi): Added missing REGNO call.
1289 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
1291 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
1292 another match_operator and compare the codes.
1294 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
1296 * MIPS multiply pattern fixes:
1297 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1298 Add union classes for HI, LO, or HILO plus general registers.
1299 (GENERATE_MADD): Deleted.
1300 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
1301 Add TARGET_MAD to condition.
1302 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
1303 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
1304 "*d" for accumulator, to give preference to LO initially but not
1307 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
1309 * configure.in (enable_c_mbchar): New configure option.
1310 (extra_cpp_objs): Always available now.
1312 * cexp.y (mbchar.h): #include it.
1313 (yylex): Handle Multibyte characters in character literals.
1315 * cccp.c (mbchar.h): #include it.
1316 (main): Set character set based on LANG environment variable.
1317 (rescan): Handle multibyte characters in comments.
1318 (skip_if_group): See above.
1319 (validate_else): See above.
1320 (skip_to_end_of_comment): See above.
1321 (macarg1): See above.
1322 (discard_comments): See above.
1323 (rescan): Handle multibyte characters in string and character literals.
1324 (collect_expansion): See above.
1325 (skip_quoted_string): See above.
1326 (macroexpand): See above.
1327 (macarg1): See above.
1328 (discard_comments): See above.
1329 (change_newlines): See above.
1331 * c-lex.c (mbchar.h): #include it.
1332 (GET_ENVIRONMENT): New macro.
1333 (init_lex): Set character set based on LANG environment variable.
1334 (yylex): Handle multibyte characters in character literals.
1335 (yylex): Handle multibyte characters in string literals.
1337 * Makefile.in (mbchar.o): New target.
1338 (cccp$(exeext)): @extra_cpp_objs@ is always available.
1339 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
1341 * mbchar.[ch]: New files for multibyte character handling.
1343 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1345 * jump.c (jump_optimize): When simplifying noop moves and
1346 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
1347 the PUSHes to rewrite in second loop as we did in the first.
1349 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1351 * cplus-dem.c (demangle_nested_args): Make function definition
1352 static to match the prototype.
1354 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
1356 * alloca.c: Respect USE_C_ALLOCA.
1357 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
1358 * gengenrtl.c (xmalloc): Likewise.
1360 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
1362 * loop.h (struct induction): Add no_const_addval.
1363 * loop.c (the_movables, reg_address_cost): New variables.
1364 (init_loop): Init reg_address_cost.
1365 (loop_optimize): Call end_alias_analysis.
1366 (scan_loop): Init the_movables.
1367 (record_giv): Init induction->no_const_addval.
1368 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
1369 [REG]: Rearrange loop search test to catch more cases.
1370 (general_induction_var): Return success not benefit; take an extra
1371 argument for that. Change all callers.
1372 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
1373 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
1374 [default]: Search the_movables for additional combinations.
1375 (sge_plus_constant, sge_plus): New functions.
1376 (express_from_1): New function.
1377 (express_from): Always define. Rewrite using express_from_1.
1378 (combine_givs_p): Handle more cases. Ignore address cost.
1379 (cmp_combine_givs_stats): New function.
1380 (combine_givs_used_once, combine_givs_benefit_from): New functions.
1381 (combine_givs): Rewrite to do best-fit combination.
1383 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
1384 (fold): Do a complete (A*C)+(B*C) association check.
1386 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
1388 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
1390 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
1392 * mn10300.c (MODES_TIEABLE_P): Fix typo.
1394 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
1396 * tree.c (valid_machine_attribute): Only create a new type variant if
1397 there is a decl to use it.
1399 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
1401 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
1404 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
1406 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
1409 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
1411 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
1412 Simplify tests for clearing an address register.
1413 (expand_prologue): Corresponding changes.
1415 * mn10300.md (movXX patterns): Make sure the destination is an
1416 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
1417 (logical patterns): Split into expanders + patterns
1418 (zero and sign extension patterns): Similarly.
1419 (shift patterns): Similarly.
1421 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
1423 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
1424 for the sequence, recording base values.
1426 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
1428 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
1430 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
1432 * gcc.c: Remove ANSI-C ism from --help code.
1434 * toplev.c: Support --help with USE_CPPLIB.
1436 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
1438 * configure.in: Rework gas feature code to work with symlink based
1441 * extend.texi: Clarify some issues related to local variables
1442 assigned to explicit registers.
1444 * mn10300.md (mulsi): Turn into expander + pattern.
1446 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
1449 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
1451 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
1453 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
1455 * version.c: Bump again to distinguish mainline tree from the
1458 Tue Jul 14 02:20:38 1998 Jeffrey A Law (law@cygnus.com)
1460 * version.c: Bump to avoid problems with old spec files during
1463 Mon Jul 13 23:11:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1465 * config/sparc/sparc.c (output_scc_insn): Enclose || conditions in
1466 parens while walking over notes.
1467 * config/sparc/sparc.md (reg movdi split): Clean up matching
1469 (all DI arithop splits on 32-bit): Handle immediate arguments
1470 correctly when they are CONST_INTs.
1472 Mon Jul 13 23:57:21 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1474 * m68k/m68k.h (TARGET_SWITCHES): Clear MASK_68040_ONLY for
1475 -m68020-40, -m68020-60 and -m5200.
1477 Mon Jul 13 23:52:05 1998 Weiwen Liu <weiwen.liu@yale.edu>
1479 * gcc.c (do_spec_1): Fix %O handling for secure temporary file
1482 Mon Jul 13 23:42:36 1998 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
1484 * sh/elf.h (MAX_OFILE_ALIGNMENT): Undefine before including svr4.h.
1486 Mon Jul 13 23:36:08 1998 Jim Wilson <wilson@cygnus.com>
1488 * i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs.
1489 (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them.
1490 (EXTRA_SPECS): Support them.
1491 * gcc.c: Delete %[spec] support.
1492 (do_spec_1, case '('): Likewise.
1493 (do_spec_1, case '['): Call error.
1494 * i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h,
1495 linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h,
1496 sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete
1499 Mon Jul 13 23:31:04 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1501 * m68k.c (output_scc_di): Use cmpw #0 only for address registers.
1503 Mon Jul 13 23:26:43 1998 Jeffrey A Law (law@cygnus.com)
1505 * tree.h (tree_common): Note front-end dependencies on layout of
1508 Mon Jul 13 23:18:39 1998 Craig Burley <burley@gnu.org>
1510 * stmt.c (expand_expr_stmt): If not assigning fresh
1511 value to last_expr_value, zero it, so old garbage
1512 doesn't get dereferenced.
1514 Mon Jul 13 23:06:55 1998 Henning.Petersen@t-online.de (Henning Petersen)
1516 * gcse.c (hash_scan_insn): Add missing argument declaration.
1518 Mon Jul 13 18:59:13 1998 Jim Wilson <wilson@cygnus.com>
1520 * configure.in (mips-sgi-irix5cross64, mips-sgi-irix5*): Remove
1521 HAVE_INTTYPES_H from xm_defines. Define xm_file to mips/xm-iris5.h.
1522 * mips/xm-iris5.h (USG): Delete.
1524 Mon Jul 13 17:18:47 1998 Nick Clifton <nickc@cygnus.com>
1526 * cccp.c (main): Add support for parsing --help.
1527 (display_help): New function: display command line switches.
1529 * cpplib.c (cpp_handle_option): Add support for parsing --help.
1530 (display_help): New function: display command line switches.
1532 * gcc.c (main): Add support for parsing --help, and passing it on
1533 to the sub-processes invoked by gcc.
1534 (display_help): New function: display comman line switches.
1536 * tm.texi (TARGET_SWITCHES and TARGET_OPTIONS): Document
1537 'description' field added to structure.
1539 * toplev.c: Add support for parsing --help.
1540 Add documentation strings to command line option tables.
1541 (display_help): New function: display comman line switches.
1543 Mon Jul 13 16:15:10 1998 John Carr <jfc@mit.edu>
1545 * sparc.c, sparc.h, sparc.md: New trampoline code.
1546 Allow integer operand 1 to V8+ DImode shift instructions.
1547 Fix bugs in V8+ wide multiply patterns.
1548 In 32 bit mode, split DImode register moves and logical instructions.
1549 Write V9 branch prediction flag.
1550 Use V9 conditional move more often for scc.
1552 Mon Jul 13 15:10:09 1998 Philippe De Muyter <phdm@macqel.be>
1554 * invoke.texi(-fno-builtin): Explain that the names of built-in
1555 functions begin with `__builtin_', not `__'.
1557 Mon Jul 13 19:01:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1559 * reload1.c (reload_reg_free_before_p): Abort for RELOAD_FOR_OUTPUT.
1561 Mon Jul 13 10:50:17 1998 Mark Mitchell <mark@markmitchell.com>
1563 * cplus-dem.c (SCOPE_STRING): Remove DMGL_JAVA stuff.
1564 (cplus_demangle_opname): Initialize work.
1565 (demangle_template): Remove is_java_array.
1566 (do_type): Remove DMGL_JAVA stuff.
1567 (long_options): Remove "java".
1568 (main): Remove 'j' option.
1570 Mon Jul 13 10:19:00 1998 Jeffrey A Law (law@cygnus.com)
1572 * mn10300.h (REG_CLASS_FROM_LETTER): Map 'y' to SP_REGS.
1573 Handle 'x' as NO_REGS for this cpu.
1574 (REGNO_OK_FOR_BIT_BASE_P): Define.
1575 (REG_OK_FOR_BIT_BASE_P): Define.
1576 (GO_IF_LEGITIMATE_ADDRESS): Use them.
1577 (REG_OK_FOR_INDEX_P): Tweak.
1578 * mn13000.c (REG_SAVE_BYTES): Define.
1579 (expand_epilogue, initial_offset): Use it.
1580 (secondary_reload_class): Slightly reformat.
1581 (output_tst): Tweak comments.
1582 * mn10300.md: Change 'x' to 'y' for SP_REGS. Then add 'x' to many
1584 (addsi3): Turn into a define_expand/define_insn pair. Rework code for
1585 three operand addition case to be more efficient.
1586 (subsi3): Turn into a define_expand/define_insn pair.
1588 * expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address
1589 is not varying for REFERENCE_TYPE or when we think we might have found
1590 an optimized access to the first element in an array.
1592 Mon Jul 13 02:24:08 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1594 * regclass.c (reg_scan_mark_refs): New arg min_regno. Only update
1595 regscan information for REGs with numbers greater than or equal to
1596 this. All callers changed.
1597 (reg_scan_update): New function to efficiently update regscan
1598 information on the fly.
1599 * rtl.h: Add prototype.
1600 * jump.c (jump_optimize): Call it when we make a transformation
1601 which generates new pseudo-REGs.
1603 Sun Jul 12 13:08:14 1998 Jeffrey A Law (law@cygnus.com)
1605 * collect2.c (main): Use "-x c" instead of "-lang-c" for force the
1606 compiler into C mode.
1608 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1610 * cplus-dem.c (demangle_nested_args): Return a value.
1612 * tree.h (TYPE_P): New macro.
1614 Sat Jul 11 16:19:48 1998 Mark Mitchell <mark@markmitchell.com>
1616 * cplus-dem.c (string): Move definition before work_stuff.
1617 (work_stuff): Add volatile_type, forgetting_types,
1618 previous_argument, and nrepeats fields.
1619 (SCOPE_STRING): New macro.
1620 (demangle_template): Add `remember' parameter. Add comment.
1621 Register the `B' code type here, if remembering. Tidy. Fix crash
1622 on NULL tmpl_argvec. Be consistent with use of tname/trawname.
1623 (demangle_nested_args): New function.
1624 (internal_cplus_demangle): Handle volatile-qualified member
1626 (mop_up): Delete the previous_argument string if present.
1627 (demangle_signature): Tidy. Handle volatile-qualified member
1628 functions. Handle back-references using the `B' code. Use extra
1629 parameter to demangle_template and SCOPE_STRING where appropriate.
1630 (demangle_template_value_parm): Fix thinko; 'B' is not an integral
1632 (demangle_class): Use SCOPE_STRING.
1633 (gnu_special): Pass additional argument to demangle_template.
1635 (demangle_qualified): Save qualified types for later
1636 back-references. Handle constructors and destructors for template
1638 (do_type): Tidy. Use SCOPE_STRING. Pass extra argument to
1639 demangle_template. Use demangled_nested_args. Don't remember
1640 qualified types here; that's now done in demangle_qualified.
1641 Similarly for templates.
1642 (do_arg): Improve commment. Handle 'n' repeat code.
1643 (remember_type): Check forgetting_types.
1644 (demangle_args): Deal with 'n' repeat codes. Tidy.
1646 Sat Jul 11 02:59:08 1998 Richard Earnshaw <rearnsha@arm.com>
1648 * arm.md (extendhisi2_mem, movhi, movhi_bytes): Propagate the volatile
1649 and structure attribute flags to MEMs generated.
1650 (splits for sign-extended HI & QI mode from memory): Also propagate
1653 * configure.in (thumb-*-coff*): Don't cause fixincludes to be run.
1655 Fri Jul 10 19:06:59 1998 Michael Meissner <meissner@cygnus.com>
1657 * varray.h: Include system.h if it hasn't already been included
1658 before to get size_t declared.
1660 Fri Jul 10 12:53:58 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1662 * jump.c (jump_optimize): If after_regscan and our transformations
1663 generate new REGs, rerun reg_scan.
1665 Fri Jul 10 11:50:43 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1667 * config/i960/i960.c (i960_address_cost): MEMA operands with
1668 positive offsets < 4096 are free.
1670 Fri Jul 10 12:34:37 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1672 * config/m68k/m68k.c (const_uint32_operand): Recognize
1674 (const_sint32_operand): Likewise.
1676 Thu Jul 9 22:58:59 1998 Jeffrey A Law (law@cygnus.com)
1678 * Makefile.in (alias.o): Depend on $(EXPR_H).
1680 Thu Jul 9 18:24:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1682 * reload1.c (choose_reload_regs): If using an equivalence from
1683 find_equiv_reg and reg_reloaded_valid is not set for this register,
1684 clear the associated spill_reg_store.
1686 Thu Jul 9 18:12:49 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1688 * reload1.c (emit_reload_insns): If an output reload copies only
1689 to a secondary reload register, indicate that the secondary reload
1690 does the actual store.
1692 Thu Jul 9 18:01:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1694 * reload.c (find_equiv_reg): If need_stable_sp is set,
1695 check if stack pointer is changed directly in a PARALLEL.
1697 Thu Jul 9 10:38:14 1998 Jeffrey A Law (law@cygnus.com)
1699 * jump.c (duplicate_loop_exit_test): Fix thinko.
1701 Thu Jul 9 01:30:37 1998 Joel Sherrill <joel@OARcorp.com>
1702 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
1704 * config/i386/rtemself.h: Updated to keep in sync with
1705 config/i386/linux.h.
1707 * configure.in: Added sh-rtemself.
1708 * configure: Rebuilt.
1709 * config/sh/rtems.h: Removed -D__ELF__ since it is now COFF.
1710 * config/sh/rtemself.h: New file.
1712 * config/rs6000/rtems.h: Defined STARTFILE_DEFAULT_SPEC.
1714 Wed Jul 8 21:43:14 1998 Jeffrey A Law (law@cygnus.com)
1716 * configure.in: Check if the assembler supports ".balign" and
1717 ".p2align" and define HAVE_GAS_BALIGN_AND_P2ALIGN appropriately.
1718 * acconfig.h (HAVE_GAS_BALIGN_AND_P2ALIGN): New tag.
1719 * i386/gas.h (ASM_OUTPUT_ALIGN): If the assembler has support for
1720 ".balign" then use it.
1722 * print-rtl.c (print_rtx): Revert previous patch.
1724 * jump.c (duplicate_loop_exit_test): Do not duplicate the loop exit
1725 test if the exit code has an insn with ASM_OPERANDS.
1727 * i386/cygwin32.h (STDIO_PROTO): Fix typo.
1728 * m32r.h (STDIO_PROTO): Fix typo.
1730 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Handle addresses created by
1731 LEGITIMIZE_RELOAD_ADDRESS.
1732 * tm.texi (LEGITIMIZE_RELOAD_ADDRESS): Note that this macro must be
1733 able to handle addresses created by previous invocations of the macro.
1735 * flow.c (find_auto_inc): Remove most recent change. Real bug was
1738 * cse.c (count_reg_usage): Count registers used in addresses of
1741 Wed Jul 8 15:08:29 1998 Jim Wilson <wilson@cygnus.com>
1743 * Makefile.in (STAGESTUFF): Readd line lost during June 9 FSF merge.
1745 * configure.in (mips64orion-*-rtems*): Use elf64.h not elfl64.h.
1747 1998-07-08 Vladimir N. Makarov <vmakarov@cygnus.com>
1749 * config/fp-bit.c (__gexf2, __fixxfsi, __floatsixf): Add function
1752 * toplev.c (lang_options): Add -Wlong-long, -Wno-long-long
1754 * c-decl.c (warn_long_long): Define.
1755 (c_decode_option): Parse -Wlong-long, -Wno-long-long options.
1756 (grokdeclarator): Add flag `warn_long_long' as guard for
1757 warning "ANSI C does not support `long long'".
1758 * invoke.texi: Add description of options -Wlong-long,
1760 * gcc.1: The same as above.
1762 Wed Jul 8 02:43:34 1998 Jeffrey A Law (law@cygnus.com)
1764 * rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART. If
1765 either argument is CONSTANT_P, then return zero.
1766 * reload.c (reg_overlap_mentioned_for_reload_p): Similarly.
1768 * configure.in: Also look at $srcdir/gas/configure to find a
1771 Wed Jul 8 00:28:22 1998 Carlo Wood <carlo@runaway.xs4all.nl>
1773 * dsp16xx.h : Clean up of macro OPTIMIZATION_OPTIONS
1775 Tue Jul 7 21:18:14 1998 Mumit Khan <khan@xraylith.wisc.edu>
1777 * i386/cygwin32.h (ASM_DECLARE_FUNCTION_NAME): Merge duplicate
1778 definitions from last two patches.
1780 Tue Jul 7 23:03:34 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1782 * reload1.c (choose_reload_regs): Don't set reload_override_in
1783 if EQUIV is clobbered in INSN and the reload is done after INSN.
1785 Tue Jul 7 21:23:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1787 * expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN
1788 to the first insn of the sequence.
1790 Tue Jul 7 21:05:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1792 * cse.c (cse_insn): Don't make change without validation.
1794 Tue Jul 7 11:40:05 1998 Jeffrey A Law (law@cygnus.com)
1796 * mn10200.md (various zero/sign extension patterns): zero and sign
1797 extensions which use "sub" clobber cc0.
1799 Tue Jul 7 09:12:08 PDT 1998 Jeff Law (law@cygnus.com)
1801 * version.c: Bump for snapshot.
1803 Tue Jul 7 10:07:20 1998 Jeffrey A Law (law@cygnus.com)
1805 * print-rtl.c (print_rtx): Use REAL_VALUE_TYPE instead of "double".
1807 Tue Jul 7 08:41:27 1998 Richard Henderson (rth@cygnus.com)
1809 * print-rtl.c (print_rtx): Only print fp values when REAL_VALUE_TYPE
1812 Tue Jul 7 00:31:58 PDT 1998 Jeff Law (law@cygnus.com)
1814 * version.c: Bump for snapshot.
1816 Tue Jul 7 01:03:03 1998 Mumit Khan <khan@xraylith.wisc.edu>
1818 Support for dllimport and dllexport attributes for i386-pe.
1820 * tree.h (DECL_NON_ADDR_CONST_P): New accessor macro.
1821 (struct tree_decl): Add non_addr_const_p field.
1822 * tree.c (staticp): Use.
1824 * i386/cygwin32.h (CPP_PREDEFINES): Map __declspec(x) to GCC
1826 (SUBTARGET_SWITCHES): Switches to turn on/off dllimport|export
1827 attributes. Also accept -mwindows option.
1828 (VALID_MACHINE_DECL_ATTRIBUTE): New macro.
1829 (MERGE_MACHINE_DECL_ATTRIBUTE): New macro.
1830 (REDO_SECTION_INFO_P): New macro.
1831 (DRECTVE_SECTION_FUNCTION): New macro.
1832 (drectve_section): Cover function to implement above.
1833 (SWITCH_TO_SECTION_FUNCTION): New macro.
1834 (switch_to_section): Covert function to implement above.
1835 (EXTRA_SECTIONS): Add in_drectve.
1836 (EXTRA_SECTION_FUNCTIONS): Add in_drectve and switch_to_section.
1837 (ENCODE_SECTION_INFO): Delete old macro and redefine as a function.
1838 (STRIP_NAME_ENCODING): Handle new attributes.
1839 (ASM_OUTPUT_LABELREF): New macro.
1840 (ASM_OUTPUT_FUNCTION_NAME): New macro.
1841 (ASM_OUTPUT_COMMON): New macro.
1842 (ASM_OUTPUT_DECLARE_OBJECT_NAME): New macro.
1844 * i386/mingw32.h (CPP_PREDEFINES): Map __declspec(x) to GCC
1847 * i386/winnt.c (i386_pe_valid_decl_attribute_p): New function.
1848 (i386_pe_merge_decl_attributes): New function.
1849 (i386_pe_check_vtable_importexport): New function.
1850 (i386_pe_dllexport_p): New function.
1851 (i386_pe_dllimport_p): New function.
1852 (i386_pe_dllexport_name_p): New function.
1853 (i386_pe_dllimport_name_p): New function.
1854 (i386_pe_mark_dllexport): New function.
1855 (i386_pe_mark_dllimport): New function.
1856 (i386_pe_encode_section_info): New function.
1857 (i386_pe_unique_section): Strip encoding from name first.
1859 Tue Jul 7 00:50:17 1998 Manfred Hollstein (manfred@s-direktnet.de)
1861 * libgcc2.c (L_exit): Provide a fake for atexit on systems which
1862 define ON_EXIT but not HAVE_ATEXIT.
1864 Tue Jul 7 00:44:35 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1866 * m68k.md (zero_extend QI to HI): Correctly handle TARGET_5200.
1868 Tue Jul 7 00:36:41 1998 Ulrich Drepper <drepper@cygnus.com>
1870 * i386.c: Remove random whitespace at end of lines.
1872 * i386.c (ix86_epilogue): For pentium processors, try to deallocate
1873 4 or 8 byte stacks with pop instructions instead of an add instruction.
1875 Tue Jul 7 00:30:08 1998 Klaus Kaempf <kkaempf@rmi.de>
1877 * alpha.c: Include tree.h before expr.h.
1879 Mon Jul 6 22:50:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1881 * c-parse.in (struct_head, union_head, enum_head): New nonterminals.
1882 (structsp): Use them. Update files generated from c-parse.in.
1883 * extend.texi (Type Attributes): Document it.
1885 * c-decl.c: Add warn_multichar.
1886 (c_decode_option): Handle -Wno-multichar.
1887 * c-lex.c (yylex): Check it.
1888 * c-tree.h: Declare it.
1889 * toplev.c (lang_options): Add it.
1890 * invoke.texi: Document it.
1892 Mon Jul 6 22:47:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1894 * reload.c (find_equiv_reg): When looking for stack pointer + const,
1895 make sure we don't use a stack adjust.
1897 * reload.c (find_equiv_reg): If need_stable_sp is set,
1898 check if stack pointer is changed directly.
1900 * reload1.c (delete_dead_insn): Don't delete feeding insn
1901 if that insn has side effects.
1903 * flow.c (find_auto_inc): Clear UNCHANGING bit of register that is
1906 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OPADDR_ADDR
1907 precedes RELOAD_FOR_OUTADDR_ADDRESS.
1909 * gcse.c (hash_scan_insn): New argument IN_LIBCALL_BLOCK. Changed
1912 Mon Jul 6 22:21:56 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1914 * m68k.c (output_scc_di): Use cmpw #0 instead of tstl when
1915 testing address registers on the 68000.
1917 Mon Jul 6 22:17:19 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1919 * i386.c (is_fp_test): Fix thinko.
1921 * jump.c (jump_optimize) Check for CONST_INT before using INTVAL.
1923 Mon Jul 6 22:14:31 1998 Richard Henderson (rth@cygnus.com)
1925 * print-rtl.c (print_rtx): Display the real-value equivalent of
1926 a const_double when easy.
1928 * real.h (REAL_VALUE_TO_TARGET_SINGLE): Use a union to pun types.
1929 Zero memory first for predictability.
1930 (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
1931 * varasm.c (immed_real_const_1): Notice width of H_W_I == double.
1933 * regclass.c (allocate_reg_info): Initialize the entire reg_data
1936 Mon Jul 6 22:09:32 1998 Ian Lance Taylor <ian@cygnus.com>
1937 Jeff Law <law@cygnus.com>
1940 * i386/cygwin32.h: Add some declaration of external functions.
1941 (ASM_DECLARE_FUNCTION_NAME): Define.
1942 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1943 (ASM_FILE_END): Define.
1944 * i386/winnt.c (i386_pe_declare_function_type): New function.
1945 (struct extern_list, extern_head): Define.
1946 (i386_pe_record_external_function): New function.
1947 (i386_pe_asm_file_end): New function.
1949 * cpplib.c (cpp_options_init): Initialize cplusplus_comments to 1,
1950 matching July 18, 1995 change to cccp.c. If -traditional then
1951 disable cplusplus_comments.
1953 Mon Jul 6 21:28:14 1998 Jeffrey A Law (law@cygnus.com)
1955 * combine.c (expand_compound_operation): Fix thinko in code to optimize
1956 (zero_extend:DI (subreg:SI (foo:DI) 0)) to foo:DI.
1958 * Disable the following change from gcc2. Not appropriate for egcs:
1960 Sun Jun 7 09:30:31 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1961 * reload.c (find_reloads): Give preference to pseudo that was the
1962 reloaded output of previous insn.
1964 Mon Jul 6 21:07:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1966 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): Don't define HOST_PTR_PRINTF.
1967 Instead, define a new macro HAVE_PRINTF_PTR which only signifies
1968 whether we have the %p format specifier or not.
1970 * acconfig.h: Delete stub for HOST_PTR_PRINTF, add HAVE_PRINTF_PTR.
1972 * machmode.h (HOST_PTR_PRINTF): When determining the definition,
1973 check HAVE_PRINTF_PTR to see whether "%p" is okay.
1975 * mips-tfile.c: Include machmode.h to get HOST_PTR_PRINTF.
1977 * Makefile.in (mips-tfile.o): Depend on machmode.h.
1979 Mon Jul 6 10:42:05 1998 Mark Mitchell <mark@markmitchell.com>
1981 * jump.c (duplicate_loop_exit_test): Don't refuse to copy a
1982 section of code just because it contains
1983 NOTE_INSN_BLOCK_{BEG,END}.
1984 * stmt.c (expand_end_loop): Likewise. Also, don't refuse to
1985 move CALL_INSNs or CODE_LABELs. When moving code, don't move
1986 NOTE_INSN_BLOCK_{BEG,END}.
1988 Mon Jul 6 09:38:15 1998 Mark Mitchell <mark@markmitchell.com>
1990 * cse.c (CSE_ADDRESS_COST): New macro, based on ADDRESS_COST, but
1991 dealing with ADDRESSOF.
1992 (find_best_addr): Use it.
1994 Mon Jul 6 09:27:08 1998 Richard Henderson <rth@cygnus.com>
1996 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Revert last change.
1998 Mon Jul 6 09:25:06 1998 Dave Love <d.love@dl.ac.uk>
2000 * libgcc2.c (__eprintf): Make args consistent with prototype in
2003 Mon Jul 6 00:28:43 1998 Mark Mitchell <mark@markmitchell.com>
2005 * cse.c (cse_insn): When SETting (MEM (ADDRESSOF (X))) to Y,
2006 don't claim that the former is equivalent to the latter.
2008 Sun Jul 5 23:58:19 1998 Jeffrey A Law (law@cygnus.com)
2010 * cse.c (cse_insn): Second arg is an RTX now. Update all callers.
2011 (cse_basic_block): Keep track of the current RETVAL insn for a
2012 libcall instead of just noting that we're in a libcall.
2014 * combine.c (simplify_comparison): Do not commute a AND into
2015 a paradoxical SUBREG if not WORD_REGISTER_OPERATIONS.
2017 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Protect with
2018 HAVE_GAS_MAX_SKIP_P2ALIGN.
2019 * i386/linux.h: Likewise.
2021 Fri Jul 3 02:33:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2023 * sparc.c (sparc_operand, move_operand, arith_operand,
2024 arith11_operand, arith10_operand, arith_double_operand,
2025 arith11_double_operand, arith10_double_operand, small_int,
2026 uns_small_int): Recognize CONSTANT_P_RTX.
2027 (output_sized_memop, output_move_with_extension,
2028 output_load_address, output_size_for_block_move,
2029 output_block_move, delay_operand): Remove, has not been
2030 enabled or referenced for years.
2031 * sparc.md (movstrsi, block_move_insn): Likewise.
2032 * sparc.h (PREDICATE_CODES): Define.
2033 * linux-aout.h (MACHINE_STATE_{SAVE,RESTORE}): Override with
2034 version which uses getcc/setcc traps to save/restore condition
2036 * linux64.h: Likewise.
2037 * sunos4.h: Likewise.
2038 * linux.h: Likewise.
2040 * sun4o3.h: Likewise.
2042 Fri Jul 3 02:28:05 1998 Richard Henderson <rth@cygnus.com>
2044 * alpha.c (alpha_initialize_trampoline): Hack around Pmode/ptr_mode
2045 lossage on VMS. Reported by kkaempf@rmi.de.
2046 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Add missing 0.
2048 Thu Jul 2 17:41:14 1998 Nick Clifton <nickc@cygnus.com>
2050 * config/m32r/m32r.h (MUST_PASS_IN_STACK): Override default
2053 Thu Jul 2 14:34:48 1998 David Edelsohn <edelsohn@mhpcc.edu>
2055 * expr.h (STACK_SIZE_MODE): New macro.
2056 * explow.c (allocate_dynamic_stack_space): Use it for
2057 mode of allocate_stack pattern increment operand.
2058 * tm.texi (STACK_SAVEAREA_MODE, STACK_SIZE_MODE): Document.
2059 * md.texi (stack_save_block, ...): Reflect use of macro.
2061 * rs6000.h (PROMOTE_MODE): Always promote to word_mode.
2062 (PROMOTE_FUNCTION_ARGS): Define.
2063 (PROMOTE_FUNCTION_RETURN): Define.
2064 (FUNCTION_VALUE): Promote to word_mode if smaller.
2065 Convert to gen_rtx_FOO.
2066 * rs6000.md (call_indirect): Store doubleword in 64-bit mode.
2067 Convert to gen_rtx_FOO.
2068 * rs6000.c: Convert to gen_rtx_FOO.
2070 Thu Jul 2 14:16:11 1998 Michael Meissner <meissner@cygnus.com>
2072 * varray.{c,h}: New files to provide virtual array support.
2074 * Makefile.in (OBJS): Add varray.o.
2075 (varray.o): Add new file.
2076 (REGS_H): New variable for dependencies for files including
2077 regs.h. Add varray.h and files it includes. Change all regs.h
2078 dependencies to $(REGS_H).
2080 * toplev.c (x{m,re}alloc): If size is 0, allocate 1 byte.
2081 (xcalloc): Provide frontend for calloc.
2082 * {tree,rtl}.h (xcalloc): Add declaration.
2084 * basic-block.h (REG_BASIC_BLOCK): Convert reg_n_info to be a
2087 * regs.h (toplevel): Include varray.h.
2088 (reg_n_info): Switch to use a varray.
2090 (allocate_reg_info): Change num_regs argument to be size_t.
2092 * regclass.c (reg_info_data): New structure to remember groups of
2093 reg_info structures allocated that are to be zeroed.
2094 ({pref,alt}class_buffer): New statics to hold buffers
2095 allocate_reg_info allocates for {pref,alt}class_buffer.
2096 (regclass): Use {pref,alt}class_buffer to initialize
2098 (allocate_reg_info): Switch to make reg_n_info use varrays.
2099 Allocate buffers for the preferred and alter register class
2100 information. Change num_regs argument to be size_t, not int.
2102 * flow.c (reg_n_info): Switch to use varrays.
2104 Thu Jul 2 10:11:47 1998 Robert Lipe <robertl@dgii.com>
2106 * install.texi (sco3.2v5): Document new --with-gnu-as flag.
2107 * config/i386/sco5.h (JUMP_TABLES_IN_TEXT_SECTION): Defined as
2109 (USE_GAS): Conditionalize away native assembler usage.
2110 * config/i386/sco5gas.h: New file.
2111 * config/i386/t-sco5gas: New file.
2112 * configure.in (ix86-sco3.2v5*): Use new files if --with-gnu-as
2114 Thu Jul 2 08:20:00 1998 Catherine Moore <clm@cygnus.com>
2116 * haifa-sched.c (alloc_EXPR_LIST): Change to use
2119 Thu Jul 2 14:13:28 1998 Dave Love <d.love@dl.ac.uk>
2121 * Makefile.in (install-info): Don't use $realfile. Ignore
2122 possible errors from the install-info program.
2124 Thu Jul 2 01:53:32 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2126 * combine.c (simplify_comparison): Apply SUBREG_REG to SUBREGs.
2128 Wed Jul 1 23:06:03 1998 Richard Henderson <rth@cygnus.com>
2130 * i386.h (HARD_REGNO_MODE_OK): Kill spurrious test.
2131 (MODES_TIEABLE_P): Tie SImode and HImode.
2133 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2135 * invoke.texi (Optimize Options): Fix typo.
2137 Wed Jul 1 22:25:43 1998 Jim Wilson <wilson@cygnus.com>
2139 * xcoffout.c (xcoffout_begin_function): Call xcoffout_block for
2142 Wed Jul 1 23:12:58 1998 Ken Raeburn <raeburn@cygnus.com>
2144 * h8300.c (print_operand): Delete %L support.
2145 * h8300.md (branch_true, branch_false): Use %= with a prefix
2146 instead of %L for local branch labels.
2148 Wed Jul 1 21:27:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2150 * reload1.c (emit_reload_insns): Use proper register classes for
2151 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_MEMORY_NEEDED code.
2153 Wed Jul 1 21:17:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2155 * reload.c (find_reloads): If there are multiple
2156 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads for
2157 one operand, change RELOAD_FOR_INPADDR_ADDRESS /
2158 RELOAD_FOR_OUTADDR_ADDRESS for all but the first
2159 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads.
2161 Wed Jul 1 17:23:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2163 * regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before
2166 Wed Jul 1 05:04:41 1998 Richard Henderson <rth@cygnus.com>
2168 * expr.c (emit_group_load, emit_group_store): Rewrite considering
2169 the size and alignment of the structure being manipulated.
2170 * expr.c, calls.c, function.c: Update all callers.
2171 * expr.h: Update prototypes.
2172 * cse.c (invalidate): Cope with parallels.
2174 Wed Jul 1 04:22:23 1998 Richard Henderson <rth@cygnus.com>
2176 * sparc.c (function_arg_record_value): Take a MODE arg with which to
2177 create the PARALLEL. Update all callers.
2179 Wed Jul 1 04:10:35 1998 Richard Henderson <rth@cygnus.com>
2181 * expr.c (expand_assignment, store_constructor, expand_expr): Use
2182 convert_memory_address instead of convert_to_mode when possible.
2184 Wed Jul 1 03:48:00 1998 Richard Henderson <rth@cygnus.com>
2186 * alpha.c (alpha_initialize_trampoline): Take arguments describing
2187 the layout. Use ptr_mode. Disable hint generation. Use gen_imb.
2188 * alpha.h (INITIALIZE_TRAMPOLINE): Pass extra args to the init func.
2189 (TRANSFER_FROM_TRAMPOLINE): Move ...
2190 * alpha/osf.h: ... here.
2191 * alpha/vms.h (INITIALIZE_TRAMPOLINE): Use alpha_initialize_trampoline.
2192 (TRANSFER_FROM_TRAMPOLINE): Remove undef.
2193 * alpha/win-nt.h: Likewise.
2194 * alpha/vxworks.h: Likewise.
2196 * alpha/linux.h: Revert gcc2 merge lossage.
2198 Wed Jul 1 10:56:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2200 * c-decl.c (grokdeclarator): Don't warn about implicit int in
2201 `typedef foo = bar'.
2203 Wed Jul 1 02:12:33 1998 Robert Lipe <robertl@dgii.com>
2205 * i386.c (asm_output_function_prefix): Make 686 function
2206 prologues not issue .types for non-global lables.
2208 Tue Jun 30 23:46:53 1998 Dmitrij Tejblum <tejblum@arc.hq.cti.ru>
2210 * i386/freebsd.h (WCHAR_TYPE): Chagne to an "int".
2211 (WCHAR_TYPE_SIZE): Update appropriately.
2213 Tue Jun 30 23:16:39 1998 Jeffrey A Law (law@cygnus.com)
2215 * flow.c (recompute_reg_usage): Does not return a value.
2216 * rtl.h (recompute_reg_usage): Update prototype.
2218 * jump.c (jump_optimize): Show that the jump chain is not
2219 valid when not optimizing.
2221 Tue Jun 30 16:01:01 1998 Richard Henderson <rth@cygnus.com>
2223 * rtl.def (CONSTANT_P_RTX): New.
2224 * rtl.h (CONSTANT_P): Recognize it.
2225 * cse.c (fold_rtx): Eliminate it.
2226 * expr.c (can_handle_constant_p): New variable.
2227 (init_expr_once): Initialize it.
2228 (expand_builtin): Generate CONSTANT_P_RTX if the expression is not
2229 immediately recognizable as a constant.
2231 * alpha.c (reg_or_6bit_operand): Recognize CONSTANT_P_RTX.
2232 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
2233 (sext_add_operand, and_operand, or_operand): Likewise.
2234 (reg_or_cint_operand, some_operand, input_operand): Likewise.
2235 * alpha.h (PREDICATE_CODES): Add CONSTANT_P_RTX where needed.
2237 1998-06-30 Benjamin Kosnik <bkoz@bliss.nabi.net>
2239 * dbxout.c (dbxout_type_methods): Remove warn_template_debugging.
2241 Tue Jun 30 14:03:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2243 * aclocal.m4 (GCC_NEED_DECLARATION): Accept an optional second
2244 argument, which is typically preprocessor code used to draw in
2245 additional header files when looking for a function declaration.
2246 (GCC_NEED_DECLARATIONS): Likewise.
2248 * configure.in (GCC_NEED_DECLARATIONS): Add checks for getrlimit
2249 and setrlimit, search for them in sys/resource.h.
2251 * acconfig.h: Add stubs for NEED_DECLARATION_GETRLIMIT and
2252 NEED_DECLARATION_SETRLIMIT.
2254 * system.h: Prototype getrlimit/setrlimit if necessary.
2256 Tue Jun 30 10:54:48 1998 Mark Mitchell <mark@markmitchell.com>
2258 * rtl.texi: Don't say that RTX_INTEGRATED_P is not depended
2261 Tue Jun 30 13:11:42 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2263 * rs6000/sysv4.h (asm output): add tabs for asm directives.
2265 Tue Jun 30 13:11:42 1998 David Edelsohn <edelsohn@mhpcc.edu>
2267 * Makefile.in (FLAGS_TO_PASS): Set AR_FLAGS to AR_FOR_TARGET_FLAGS.
2269 Tue Jun 30 08:59:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * gansidecl.h (ATTRIBUTE_UNUSED): Use __unused__ not `unused'.
2272 Don't define NULL here. Also, remove all vestiges of autoconf
2273 based checks for bcmp/bcopy/bzero/index/rindex.
2275 * system.h: Immediately after including stdio.h, check for and if
2276 necessary provide a default definition of NULL.
2278 Tue Jun 30 08:22:05 1998 Michael Meissner <meissner@cygnus.com>
2280 * reload1.c (reload_cse_simplify_operands): Call
2281 fatal_insn_not_found, not abort.
2283 Tue Jun 30 02:34:02 1998 Jeffrey A Law (law@cygnus.com)
2285 * choose-temp.c (make_temp_file): Accept new argument for the
2286 file suffix to use. Allocate space for it and add it to the
2288 * mkstemp.c (mkstemps): Renamed from mkstemp. Accept new argument
2289 for the length of the suffix. Update template struture checks
2290 to handle optinal suffix.
2291 * collect2.c (make_temp_file): Update prototype.
2292 (main): Put proper suffixes on temporary files.
2293 * gcc.c (make_temp_file): Update prototype.
2294 (do_spec_1): Put proper suffixes on temporary files.
2296 Tue Jun 30 00:56:19 1998 Bruno Haible <haible@ilog.fr>
2298 * invoke.texi: Document new implicit structure initialization
2301 Mon Jun 29 22:12:06 1998 Jeffrey A Law (law@cygnus.com)
2303 * Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 for
2306 * pa.c, pa.h, pa.md: Convert to gen_rtx_FOO.
2308 Mon Jun 29 20:12:41 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2310 * Makefile.in (fix-header): Don't needlessly depend on cpperror.o.
2312 * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Cast expansion to
2313 void since it is evaluated in a comma list.
2315 * mips.h (ASM_GENERATE_INTERNAL_LABEL): Always sprintf `NUM'
2316 argument as a long and cast `NUM' to long to ensure it is of the
2317 proper width. Wrap macro arguments in parens when they appear in
2320 * sol2.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2322 * sparc.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2323 (ASM_DECLARE_RESULT): Fix fprintf format specifier to match
2324 function argument return type.
2325 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P,
2326 REGNO_OK_FOR_CCFP_P): Use `(unsigned)' not `U'.
2328 * cpplib.c (cpp_message_from_errno): Remove unneeded argument to
2331 * dbxout.c: Fix the comments after an #endif to reflect the actual
2332 condition tested in the preceding #if.
2334 * except.c (find_all_handler_type_matches): Switch to old-style
2335 function definition.
2337 * expr.c (expand_builtin): Remove unused variable `type' twice.
2339 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Cast -1 before comparing it
2340 to an unsigned long.
2342 * haifa-sched.c (print_insn_chain): Remove unused function.
2344 * objc/objc-act.c (build_msg_pool_reference): Hide prototype and
2347 * toplev.c: When testing whether to include dbxout.h, also include
2348 it when XCOFF_DEBUGGING_INFO is defined.
2350 * unroll.c (unroll_loop): Add parentheses around assignment used
2353 Mon Jun 29 12:18:00 1998 Catherine Moore <clm@cygnus.com>
2355 * config/lb1spc.asm (.div, .udiv): Replace routines.
2357 Mon Jun 29 09:44:24 1998 Mark Mitchell <mark@markmitchell.com>
2359 * rtl.h: Update comment about special gen_rtx variants.
2360 * emit-rtl.c (gen_rtx): Handle MEMs using gen_rtx_MEM.
2362 Sun Jun 28 20:58:51 1998 Jeffrey A Law (law@cygnus.com)
2364 * choose-temp.c (choose_temp_base): Restore original variant of
2365 this function for compatibility.
2366 (make_temp_file): This is the new, preferred interface to create
2368 * collect2.c (choose_temp_base): Delete declaration.
2369 (make_temp_file): Declare.
2370 (temp_filename_length, temp_filename): Delete.
2371 (main): Use make_temp_file to get temporary files. Use --lang-c
2372 to force the resulting ctort/dtor file to be compiled with the C
2373 compiler. Make sure to remove temporary files on all exit paths.
2374 * gcc.c (make_temp_file): Provide prototype if MKTEMP_EACH_FILE is
2376 (choose_temp_base): Only provide prototype if MKTEMP_EACH_FILE is
2378 (do_spec): Use make_temp_file if MKTEMP_EACH_FILE is defined.
2380 Sun Jun 28 08:57:09 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2382 * configure.in (GCC_NEED_DECLARATIONS): Add strerror, getcwd and
2385 * acconfig.m4: Add stubs for NEED_DECLARATION_STRERROR,
2386 NEED_DECLARATION_GETCWD and NEED_DECLARATION_GETWD.
2388 * cccp.c: Remove strerror()/sys_nerr/sys_errlist decls.
2389 (my_strerror): Add prototype and make it static.
2391 * collect2.c: Likewise.
2393 * cpplib.c: Likewise.
2395 * gcc.c: Likewise, but keep `my_strerror' extern.
2397 * protoize.c: Likewise.
2399 * pexecute.c (my_strerror): Add argument to prototype.
2401 * system.h: Add prototypes for getcwd, getwd and strerror. Add
2402 extern decls for sys_nerr and sys_errlist. Make abort decl
2405 * getpwd.c: Remove decls for getwd and getcwd.
2407 Sun Jun 28 02:11:16 PDT 1998 Jeff Law (law@cygnus.com)
2409 * version.c: Bump for snapshot.
2411 Sat Jun 27 23:32:25 1998 Richard Henderson <rth@cygnus.com>
2413 * jump.c (jump_optimize): Use side_effects_p & may_trap_p instead
2414 of rtx_unsafe_p. Use modified_between_p instead of reg_set_between_p.
2415 Allow FP moves to be optimized.
2416 (rtx_unsafe_p): Delete.
2418 Sat Jun 27 23:02:04 1998 Richard Henderson <rth@cygnus.com>
2420 * objc/archive.c: Remove <string.h> prototypes.
2422 Sat Jun 27 22:37:05 1998 Jeffrey A Law (law@cygnus.com)
2424 * tm.texi (NEED_MATH_LIBRARY): Document new target macro.
2426 * Makefile.in (gencheck): Remove $(TREE_H) dependency.
2428 Sat Jun 27 20:20:00 1998 John Carr <jfc@mit.edu>
2430 * dsp16xx.h (FIRST_PSEUDO_REGISTER): Add parentheses to definition.
2431 * dsp16xx.c (next_cc_user_unsigned): New function.
2432 Remove save_next_cc_user_code.
2433 (print_operand): Use HOST_WIDE_INT_PRINT_* macros.
2434 * dsp16xx.md: Call next_cc_user_unsigned instead of using
2435 save_next_cc_user_code.
2436 Use gen_rtx_* functions instead of gen_rtx.
2438 Sat Jun 27 20:18:34 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2440 * rs6000.h: Add trap_comparison_operator to PREDICATE_CODES.
2442 Sat Jun 27 16:45:42 1998 Jeffrey A Law (law@cygnus.com)
2444 * flow.c (count_reg_sets): New function.
2445 (count_reg_sets_1, count_ref_references): Likewise.
2446 (recompute_reg_usage): Likewise.
2447 * rtl.h (recompute_reg_usage): Add prototype.
2448 * toplev.c (rest_of_compilation): Call recompute_reg_usage just
2449 before local register allocation.
2451 Sat Jun 27 13:15:30 1998 Richard Henderson <rth@cygnus.com>
2453 * alpha.md (negsf, negdf): Revert Jan 22 change.
2455 Sat Jun 27 07:35:21 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2457 * mkstemp.c: Include gansidecl.h. Rename uint64_t to gcc_uint64_t.
2458 (mkstemp): Remove size specifier for variable `letters'. Call
2459 gettimeofday, not __gettimeofday.
2461 * Makefile.in (EXPR_H): New dependency variable.
2462 (c-typeck.o): Depend on $(EXPR_H) instead of expr.h.
2463 (c-iterate.o): Likewise.
2464 (gencheck): Depend on $(TREE_H) instead of tree.h, etc.
2465 (stor-layout.o): Depend on $(EXPR_H) instead of expr.h.
2466 (toplev.o): Likewise. Also depend on $(RECOG_H) instead of recog.h.
2467 (varasm.o): Depend on $(EXPR_H) instead of expr.h.
2468 (function.o): Likewise.
2470 (except.o): Likewise.
2472 (calls.o): Likewise.
2473 (expmed.o): Likewise.
2474 (explow.o): Likewise.
2475 (optabs.o): Likewise.
2476 (sdbout.o): Likewise.
2477 (dwarf2out.o): Likewise.
2478 (emit-rtl.o): Likewise.
2479 (integrate.o): Likewise.
2482 (gcse.o): Likewise. Also depend on $(BASIC_BLOCK_H) instead of
2484 (loop.o): Depend on $(EXPR_H) instead of expr.h.
2485 (unroll.o): Likewise.
2486 (combine.o): Likewise.
2487 (reload.o): Likewise.
2488 (reload1.o): Likewise.
2489 (caller-save.o): Likewise.
2490 (reorg.o): Likewise.
2491 (alias.o): Don't depend on insn-codes.h.
2492 (regmove.o): Depend on $(RECOG_H)/$(EXPR_H) instead of recog.h/expr.h.
2493 (insn-emit.o): Depend on $(EXPR_H) instead of expr.h.
2494 (insn-opinit.o): Likewise.
2496 Sat Jun 27 01:35:14 1998 Jeffrey A Law (law@cygnus.com)
2498 * choose-temp.c (choose_temp_base): Remove MPW bits. Use mkstemp
2500 * gcc.c (MKTEMP_EACH_FILE): Define.
2501 (main): No need to call choose_temp_base if we are going to
2502 use choose_temp_base to create each file later.
2503 * mkstemp.c: New file. Adapted from glibc.
2504 * Makefile.in (xgcc, colect2, protoize, unprotoize): Link in mkstemp.o
2505 (mkstemp.o): Add dependencies.
2507 * configure.in (gettimeofday): Check for its existance.
2508 * config.in (HAVE_GETTIMEOFDAY): Define.
2509 * configure: Rebuilt.
2511 1998-06-26 Michael Meissner <meissner@cygnus.com>
2513 * rs6000.md (ne 0, non power case): Add missing & constraint.
2515 (negative abs insns): Add pattern names.
2517 Fri Jun 26 17:36:42 1998 Dave Love <d.love@dl.ac.uk>
2519 * Makefile.in (install-info): Run install-info program in separate
2522 Fri Jun 26 16:03:15 1998 Michael Meissner <meissner@cygnus.com>
2524 * haifa-sched.c (schedule_block): Add hooks for the machine
2525 description to reorder the ready list, and update how many more
2526 instructions can be issued this cycle.
2527 * tm.texi (MD_SCHED_{INIT,REORDER,VARIABLE_ISSUE}): Document.
2529 Fri Jun 26 11:54:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2531 * config/sparc/sparc.h (REGNO_OK_FOR_{INDEX,BASE,FP,CCFP}_P):
2532 Explicitly mark the constant being compared against as unsigned.
2533 * config/sparc/sparc.c (sparc_select, cpu_default, cpu_table):
2534 Fully initialize final members.
2535 (mem_aligned_8): Explicit init of offset to zero.
2536 (output_function_prologue): Explicit init of n_regs to zero.
2537 (output_function_epilogue): Likewise, and mark arg size as
2539 (init_cumulative_args): Mark libname and indirect as unused.
2540 (function_arg_pass_by_reference): Likewise for cum and named.
2541 (sparc_builtin_saveregs): Likewise for arglist.
2542 (sparc_flat_eligible_for_epilogue_delay): Likewise for slot.
2544 Fri Jun 26 06:58:54 1998 Richard Earnshaw (rearnsha@arm.com)
2546 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Only need a secondary reload
2549 * arm.h (arm_adjust_cost): Renamed bogus prototype from
2551 (bad_signed_byte_operand): Add prototype.
2552 * arm.c (arm_override_options): Make I unsigned.
2553 (const_ok_for_arm): Add casts to the constants.
2554 (load_multiple_operation): Don't redeclare elt in sub-block.
2555 (arm_gen_movstrqi): Delete external declaration of optimize.
2556 (gen_compare_reg): Declare parameter fp.
2558 * arm.c (final_prescan_insn): Only initialize scanbody if the insn
2561 Fri Jun 26 09:31:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2563 * alpha.c: Include system.h and toplev.h.
2564 (cint8_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
2565 (const48_operand): Likewise.
2566 (mode_width_operand): Likewise.
2567 (mode_mask_operand): Likewise.
2568 (mul8_operand): Likewise.
2569 (current_file_function_operand): Likewise.
2570 (signed_comparison_operator): Likewise.
2571 (divmod_operator): Likewise.
2572 (any_memory_operand): Likewise.
2573 (alpha_return_addr): Likewise for parameter `frame'.
2574 (alpha_builtin_saveregs): Likewise for parameter `arglist'.
2575 (vms_valid_decl_attribute_p): Likewise for parameters `decl' and
2577 (alpha_start_function): Likewise for parameter `decl'. Use
2578 HOST_WIDE_INT_PRINT_DEC in call to fprintf. Fix various format
2579 specifiers. Remove unused variables `lab' and `name'.
2580 (alpha_end_function): Mark parameter `decl' with ATTRIBUTE_UNUSED.
2581 (check_float_value): Likewise for parameter `overflow'.
2582 (alpha_need_linkage): Likewise for parameters `name' and `is_local'.
2584 * alpha.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define as
2586 (ASM_OUTPUT_SHORT): Cast argument to `int' in call to fprintf.
2587 (ASM_OUTPUT_CHAR): Likewise.
2588 (ASM_OUTPUT_BYTE): Likewise.
2589 (PRINT_OPERAND_ADDRESS): Use HOST_WIDE_INT_PRINT_DEC in call to
2591 (PUT_SDB_EPILOGUE_END): Mention argument `NAME' in definition.
2592 Add prototypes for functions in alpha.c.
2594 * alpha.md (ashldi3): Add default case in switch.
2596 1998-06-26 Manfred Hollstein <manfred@s-direktnet.de>
2598 * Makefile.in (gcc_version, gcc_version_trigger): New macros.
2599 (version): Initialize from $(gcc_version).
2601 * configure.in (version): Rename to gcc_version.
2602 (gcc_version_trigger): New variable; call AC_SUBST for it and
2603 emit it into the generated config.status.
2604 * configure: Regenerate.
2606 Thu Jun 25 12:47:41 1998 Mark Mitchell <mark@markmitchell.com>
2608 * fold-const.c (make_range): Don't go looking at TREE_OPERANDs of
2609 nodes that are not expressions.
2611 Thu Jun 25 15:08:16 1998 Mark Mitchell <mark@markmitchell.com>
2613 * invoke.texi (-fstrict-aliasing): Document.
2614 * rtl.texi (MEM_ALIAS_SET): Document.
2616 * flags.h (flag_strict_aliasing): Declare.
2617 * toplev.c (flag_strict_aliasing): Define.
2618 (f_options): Add -strict-aliasing.
2619 (main): Set flag_strict_aliasing if -O2 or higher.
2621 * tree.h (tree_type): Add alias_set field.
2622 (TYPE_ALIAS_SET): New macro.
2623 (TYPE_ALIAS_SET_KNOWN_P): Likewise.
2624 (get_alias_set): Declare.
2625 * tree.c (lang_get_alias_set): Define.
2626 (make_node): Initialize TYPE_ALIAS_SET.
2627 (get_alias_set): New function.
2628 * print-tree.c (print_node): Dump the alias set for a type.
2630 * c-tree.h (c_get_alias_set): Declare.
2631 * c-common.c (c_get_alias_set): New function.
2632 * c-decl.c (init_decl_processing): Set lang_get_alias_set.
2634 * expr.c (protect_from_queue): Propogage alias sets.
2635 (expand_assignment): Calculate alias set for new MEMs.
2636 (expand_expr): Likewise.
2637 * function.c (put_var_into_stack): Likewise.
2638 (put_reg_into_stack): Likewise.
2639 (gen_mem_addressof): Likewise.
2640 (assign_parms): Likewise.
2641 * stmt.c (expand_decl): Likewise.
2642 * varasm.c (make_decl_rtl): Eliminate redundant clearing of
2643 DECL_RTL. Calculate alias set for new MEMs.
2645 * rtl.def (REG): Add dummy operand.
2646 (MEM): Add extra operand to store the MEM_ALIAS_SET.
2647 * rtl.h (MEM_ALIAS_SET): New macro.
2648 (gen_rtx_MEM): Declare.
2649 * emit-rtl.c (gen_rtx_MEM): New function.
2650 * gengenrtl.c (sepcial_rtx): Make MEMs special.
2652 * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
2653 (DIFFERENT_ALIAS_SETS_P): Likewise.
2654 (canon_rtx): Propogate the alias set to the new MEM.
2655 (true_dependence): Check the alias sets.
2656 (anti_dependence): Likewise.
2657 (output_dependence): Likewise.
2658 * explow.c (stabilize): Progoate alias sets.
2659 * integrate.c (copy_rtx_and_substitute): Likewise.
2660 * final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
2661 in an unpredictable state. Propogate alias sets.
2662 * reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
2663 we have no alias information.
2665 Thu Jun 25 16:59:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2667 * except.h (CATCH_ALL_TYPE): Definition moved to eh-common.h.
2668 (find_all_handler_type_matches): Add function prototype.
2669 * eh-common.h (CATCH_ALL_TYPE): Definition added.
2670 * except.c (find_all_handler_type_matches): Add function to find all
2671 runtime type info in the exception table.
2672 (output_exception_table_entry): Special case for CATCH_ALL_TYPE.
2674 Thu Jun 25 15:47:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2676 * Makefile.in (xcoffout.o): Depend on toplev.h, output.h and dbxout.h.
2678 * config/fp-bit.c (_fpmul_parts): Move variables `x', `ylow',
2679 `yhigh' and `bit' into the scope in which they are used.
2680 (_fpdiv_parts): Remove unused variables `low', `high', `r0', `r1',
2681 `y0', `y1', `q', `remainder', `carry', `d0' and `d1'.
2683 * rs6000.c: Move include of output.h below tree.h. Include toplev.h.
2684 (any_operand): Mark unused parameters `op' and `mode' with
2686 (count_register_operand): Likewise for parameter `mode'.
2687 (fpmem_operand): Likewise.
2688 (short_cint_operand): Likewise.
2689 (u_short_cint_operand): Likewise.
2690 (non_short_cint_operand): Likewise.
2691 (got_operand): Likewise.
2692 (got_no_const_operand): Likewise.
2693 (non_add_cint_operand): Likewise.
2694 (non_logical_cint_operand): Likewise.
2695 (mask_operand): Likewise.
2696 (current_file_function_operand): Likewise.
2697 (small_data_operand): Likewise for parameters `op' and `mode' but
2698 only when !TARGET_ELF.
2699 (init_cumulative_args): Mark parameters `libname' with
2701 (function_arg_pass_by_reference): Likewise for parameters `cum',
2703 (expand_builtin_saveregs): Likewise for parameter `args'.
2704 (load_multiple_operation): Likewise for parameter `mode'.
2705 (store_multiple_operation): Likewise.
2706 (branch_comparison_operator): Likewise.
2707 (secondary_reload_class): Likewise.
2708 (print_operand): Add parentheses around & operation.
2709 (output_prolog): Mark parameter `size' with ATTRIBUTE_UNUSED.
2710 (output_epilog): Likewise. Cast argument to fprintf to int.
2711 (rs6000_adjust_cost): Mark parameter `dep_insn' with ATTRIBUTE_UNUSED.
2712 (rs6000_valid_decl_attribute_p): Likewise for parameters `decl',
2713 `attributes', `identifier' and `args'.
2714 (rs6000_valid_type_attribute_p): Likewise for parameter `attributes'.
2715 (rs6000_comp_type_attributes): Likewise for parameters `type1' and
2717 (rs6000_set_default_type_attributes): Likewise for parameter `type'.
2719 * rs6000.h (RTX_COSTS): Add parentheses around & operation.
2720 (toc_section, private_data_section, trap_comparison_operator): Add
2723 * dbxout.h (dbxout_parms, dbxout_reg_parms, dbxout_syms): Add
2726 * xcoffout.c: Include toplev.h, outout.h and dbxout.h.
2728 * xcoffout.h (stab_to_sclass, xcoffout_begin_function,
2729 xcoffout_begin_block, xcoffout_end_epilogue,
2730 xcoffout_end_function, xcoffout_end_block,
2731 xcoff_output_standard_types, xcoffout_declare_function,
2732 xcoffout_source_line): Add prototypes.
2734 Thu Jun 25 09:54:55 1998 Nick Clifton <nickc@cygnus.com>
2736 * config/arm/arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM,
2737 noticed by grahams@rcp.co.uk.
2739 Thu Jun 25 11:12:29 1998 Dave Brolley <brolley@cygnus.com>
2741 * gcc.c (default_compilers): Use new | syntax to eliminate
2742 string concatenation.
2744 Thu Jun 25 01:00:48 1998 Richard Henderson <rth@cygnus.com>
2746 * alpha.c (alpha_function_name): Delete.
2747 (alpha_ra_ever_killed): Notice current_function_is_thunk.
2748 (alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise.
2749 (alpha_start_function): Reorg from output_prologue.
2750 (alpha_end_function): Reorg from output_epilogue.
2751 * alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function.
2752 (ASM_DECLARE_FUNCTION_SIZE): New.
2753 (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
2754 (PROFILE_BEFORE_PROLOGUE): Set.
2755 (ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function.
2756 * alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2758 Thu Jun 25 01:18:47 1998 John Wehle (john@feith.com)
2760 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
2762 1998-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2764 * expr.c (expand_assignment): Rework address calculation for structure
2765 field members to expose more invariant computations to the loop
2767 (expand_expr): Likewise.
2769 Wed Jun 24 22:44:22 1998 Jeffrey A Law (law@cygnus.com)
2771 * local-alloc.c (block_alloc): Do not try to avoid false dependencies
2772 when SMALL_REGISTER_CLASSES is nonzero.
2774 Wed Jun 24 17:55:15 1998 Klaus Kaempf <kkaempf@progis.de>
2776 * alpha.md (call_vms, call_value_vms): Strip leading * from symbol.
2778 Wed Jun 24 16:27:23 1998 John Carr <jfc@mit.edu>
2780 * expr.c (get_memory_rtx): New function.
2781 (expand_builtin): Call get_memory_rtx for MEM arguments to builtin
2784 * expmed.c (init_expmed): Initialize all elements of *_cost arrays.
2786 * optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
2788 * explow.c: Likewise.
2789 * combine.c: Likewise.
2790 * reload1.c: Likewise.
2793 Wed Jun 24 15:13:01 1998 Dave Brolley <brolley@cygnus.com>
2795 * README.gnat: Add patch for new lang_decode_options interface.
2797 Wed Jun 24 09:14:04 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2799 * except.c (start_catch_handler): Do nothing if EH is not on.
2801 1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
2803 * configure.in (gxx_include_dir): Initialize default value depending on
2804 new flag --enable-version-specific-runtime-libs; remove superfluous
2805 default initialization afterwards.
2806 * configure: Regenerate.
2808 Wed Jun 24 01:32:12 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2810 * toplev.c (rest_of_compilation): Revert May 15 change.
2812 Tue Jun 23 21:27:27 1998 Ken Raeburn <raeburn@cygnus.com>
2814 * reload.c (find_reloads): Fix check for failure to match any
2815 alternative, to account for Mar 26 change in initial "best" cost.
2817 Tue Jun 23 16:44:21 1998 Dave Brolley <brolley@cygnus.com>
2819 * cpplib.c (do_line): Typo broke #line directive.
2820 (cpp_message_from_errno): New function.
2821 (cpp_error_from_errno): Call cpp_message_from_errno.
2822 * cpplib.h (cpp_message_from_errno): New function.
2824 Tue Jun 23 13:38:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2826 * libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
2827 functions to return exception descriptor information.
2828 (find_exception_handler): Pass match_info field to runtime matcher,
2829 not a descriptor table entry.
2831 Tue Jun 23 09:30:58 1998 Dave Love <d.love@dl.ac.uk>
2833 * cpp.texi, gcc.texi: Add @dircategory, @direntry meant to
2834 accompany previous Makefile.in (install-info) change.
2836 Tue Jun 23 10:06:07 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2838 * eh-common.h (struct __eh_info): Remove coerced value field.
2839 * libgcc2.c (find_exception_handler): Don't set coerced_value field.
2840 * except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
2841 POINTER_SIZE instead of Pmode.
2842 (expand_start_all_catch): Call start_catch_handler() if we are not
2843 using new style exceptions.
2845 Tue Jun 23 06:45:00 1998 Catherine Moore <clm@cygnus.com>
2847 * varasm.c (assemble_variable): Remove reference to warn_bss_align.
2849 Mon Jun 22 23:57:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2851 * config/sparc/sparc.md (zero_extendhidi2, extendhisi2,
2852 extendqihi2, extendqisi2, extendqidi2, extendhidi2, adddi3,
2853 subdi3, negdi2, call, call_value, untyped_return, nonlocal_goto,
2854 splits and peepholes): Change remaining generic gen_rtx calls to
2855 specific genrtl ones.
2856 * config/sparc/sparc.c: Likewise.
2858 Mon Jun 22 22:21:46 1998 Richard Henderson <rth@cygnus.com>
2860 * gcc.c (handle_braces): Recognize | between options as an or.
2862 Mon Jun 22 23:13:47 1998 John Wehle (john@feith.com)
2864 * i386/freebsd-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
2865 * i386/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
2867 * i386.md (exception_receiver): Define.
2869 Mon Jun 22 12:01:48 1998 Jim Wilson <wilson@cygnus.com>
2871 * Makefile.in (PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME,
2872 PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): New variables.
2873 (install-common): Use them.
2875 * gcse.c (add_label_notes): New function.
2876 (pre_insert_insn): Call it.
2877 * unroll.c (unroll_loop): Look for insns with a REG_LABEL note, and
2878 pass the label to set_label_in_map.
2880 Mon Jun 22 19:01:14 1998 Dave Love <d.love@dl.ac.uk>
2882 * Makefile.in (install-info): Fix typpo in previous change.
2884 Mon Jun 22 11:10:00 1998 Catherine Moore <clm@cygnus.com>
2886 * varasm.c (assemble_variable): Emit alignment warning.
2888 Mon Jun 22 08:18:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * Makefile.in (varasm.o): Depend on sdbout.h.
2891 (sdbout.o): Depend on toplev.h.
2893 * collect2.c (scan_prog_file): Cast fprintf argument to `long' and
2896 * final.c (shorten_branches): Cast first arg of `bzero' to char *.
2898 * genextract.c (main): When creating insn-extract.c, mark variable
2899 `i' with ATTRIBUTE_UNUSED.
2901 * genpeep.c (main): When creating insn-peep.c, mark variables
2902 `insn', `x' and `pat' with ATTRIBUTE_UNUSED.
2904 * objc/init.c (__objc_tree_print): Wrap function definition in
2907 * objc/objc-act.c (encode_array): Cast sprintf argument to `long'
2908 and use %ld specifier.
2909 (adorn_decl): Likewise, twice.
2911 * reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *.
2913 * sdbout.c: Include output.h and toplev.h.
2914 (PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument
2915 `a'. Cast `a' to HOST_WIDE_INT to force it to always be so.
2916 (PUT_SDB_SIZE): Likewise.
2918 * sdbout.h (sdbout_mark_begin_function): Add prototype.
2920 * stmt.c (check_for_full_enumeration_handling): Cast argument of
2921 `warning' to long and use %ld specifier.
2923 * toplev.c (main): Likewise for `fprintf'.
2925 * toplev.h (output_file_directive): Add prototype.
2927 * unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in
2929 (precondition_loop_p): Likewise.
2931 * varasm.c Include sdbout.h.
2932 (assemble_static_space): Move sometimes-unused variable `rounded'
2933 into the scope in which it is used.
2935 * mips.c (gpr_mode): Don't say `static' twice.
2937 * cpplib.c (cpp_handle_option): Don't pass unneeded NULL to cpp_fatal.
2939 * objc/objc-act.c (init_selector): Hide prototype and definition.
2941 * optabs.c (gen_cond_trap): Remove unused variable `icode'.
2943 * regmove.c (copy_src_to_dest): Likewise for `i'.
2945 * mips-tfile.c (add_local_symbol): Cast width format specifier to int.
2946 (add_ext_symbol): Likewise.
2947 (add_file): Likewise.
2948 (parse_def): Likewise.
2949 (write_varray): Use HOST_PTR_PRINTF to print a pointer. Fix
2950 remaining format specifiers and arguments.
2951 (write_object): Likewise, several times.
2952 (read_seek): Likewise.
2953 (out_of_bounds): Likewise.
2954 (allocate_cluster): Likewise.
2955 (xmalloc): Likewise.
2956 (xcalloc): Likewise.
2957 (xrealloc): Likewise.
2960 * mips-tdump.c (print_symbol): Likewise.
2962 Sun Jun 21 17:05:34 1998 Dave Love <d.love@dl.ac.uk>
2964 * Makefile.in (install-info): Use install-info program if
2965 available, per GNU standard.
2967 Sun Jun 21 18:56:44 1998 Jeffrey A Law (law@cygnus.com)
2969 * invoke.texi: Document -mrelax for the mn10300 and mn10200.
2971 * basic-block.h (init_regset_vector): Delete declaration.
2972 * flow.c (init_regset_vector): Make it static and add a prototype.
2974 * bitmap.h (debug_bitmap): Declare.
2976 * haifa-sched.c (debug_ready_list): Make static.
2978 * toplev.h (fancy_abort): Declare.
2980 Sun Jun 21 18:30:13 1998 H.J. Lu (hjl@gnu.org)
2982 * basic-block.h (init_regset_vector): New declaration.
2984 * Makefile.in (sdbout.o): Add insn-codes.h to dependency.
2986 * global.c: Include machmode.h amd move hard-reg-set.h before
2989 * haifa-sched.c (insn_issue_delay, birthing_insn_p,
2990 adjust_priority, print_insn_chaino): New declaration.
2991 (schedule_insns): Remove declaration.
2992 (init_target_units, get_visual_tbl_length,
2993 init_block_visualization): Add prototype.
2995 * integrate.c (pushdecl, poplevel): Remove declaration.
2997 * rtl.h (expand_expr): Remove declaration.
2999 * loop.c (oballoc): Remove declaration.
3000 (replace_call_address): Add prototype.
3002 Sun Jun 21 01:08:17 PDT 1998 Jeff Law (law@cygnus.com)
3004 * version.c: Bump for snapshot.
3006 Sun Jun 21 01:16:38 1998 John Wehle (john@feith.com)
3008 * i386.c (output_fp_conditional_move): Don't bother handling
3009 (cc_prev_status.flags && CC_NO_OVERFLOW) since the INSN patterns
3010 prevent this from happening.
3012 * i386.md (nonlocal_goto_receiver): Delete.
3014 Sun Jun 21 00:42:20 1998 H.J. Lu (hjl@gnu.org)
3016 * Makefile.in (crtbeginS.o, crtendS.o): Add -fno-exceptions and
3018 (INSTALL): cd $(srcdir) before make.
3020 * flow.c (allocate_for_life_analysis, init_regset_vector):
3023 * function.h (get_first_block_beg): New declaration.
3025 * gbl-ctors.h (__do_global_dtors): Add prototype.
3027 * gcov-io.h (__fetch_long): New declaration.
3028 (__store_long): Likewise.
3029 (__read_long): Likewise.
3030 (__write_long): Likewise.
3032 * gcov.c (print_usage): New declaration.
3034 * Makefile.in (c-iterate.o): Depend on insn-codes.h too.
3036 Sat Jun 20 00:36:16 1998 Jeffrey A Law (law@cygnus.com)
3038 * calls.c (expand_call): Initialize "src" and "dest".
3039 * stmt.c (expand_return): Likewise.
3040 * expmed.c (extract_split_bit_field): Similarly for "result"
3041 * gcse.c (compute_hash_table): Mark first arg as unused.
3042 * jump.c (jump_optimize): Initialize reversep.
3043 * tree.c (make_node): Initialize length.
3045 * c-common.c (check_format_info): Initialize length_char and
3046 fci to keep -Wall quiet.
3048 * except.c (jumpif_rtx): Put declaration and definition
3049 inside a suitable #ifdef.
3050 (jumpifnot_rtx): Delete dead function.
3052 * i386.h (output_int_conditional_move): Declare.
3053 (output_fp_conditional_move): Likewise.
3054 (ix86_can_use_return_insn_p): Likewise.
3056 * optabs.c (init_traps): Put prototype inside a suitable #ifdef.
3058 Sat Jun 20 00:27:40 1998 Graham <grahams@rcp.co.uk>
3060 * alias.c: Include toplev.h
3061 * caller-save.c: Include toplev.h
3062 * combine.c: Include toplev.h
3063 * flow.c Include toplev.h
3064 * global.c: Include toplev.h
3065 * jump.c: Include toplev.h
3066 * local-alloc.c: Include toplev.h
3067 * loop.c: Include toplev.h
3068 * regmove.c: Include toplev.h
3069 * stupid.c: Include toplev.h
3070 * unroll.c: Include toplev.h
3071 * Makefile.in: Add toplev.h dependencies.
3073 Fri Jun 19 22:40:25 1998 Jason Merrill <jason@yorick.cygnus.com>
3075 * regmove.c (copy_src_to_dest): Add decl for loop_depth.
3077 * svr4.h (ASM_GENERATE_INTERNAL_LABEL): Cast arg to unsigned.
3078 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA1): Likewise.
3079 Add parens to various macros.
3081 Fri Jun 19 23:22:42 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3083 * c-typeck.c (pop_init_level): Warn about implicit zero initialization
3086 Fri Jun 19 23:06:33 1998 Jason Merrill <jason@yorick.cygnus.com>
3088 * varasm.c (assemble_start_function): Add weak_global_object_name.
3089 * tree.c (get_file_function_name): Use it.
3091 Fri Jun 19 22:55:14 1998 Jeffrey A Law (law@cygnus.com)
3093 * except.c (jumpif_rtx): Make static and add prototype.
3094 (jumpifnot_rtx): Likewise.
3096 * README.gnat: Add a build patch from Fred Fish.
3098 * c-lang.c (GNU_xref_begin, GNU_xref_end): Deleted.
3100 * Makefile.in (c-iterate.o): Depend on expr.h.
3102 Fri Jun 19 20:38:34 1998 H.J. Lu (hjl@gnu.org)
3104 * except.h (emit_unwinder, end_eh_unwinder): Removed.
3106 * dwarfout.c (getpwd): Add prototype.
3107 (is_pseudo_reg, type_main_variant, is_tagged_type,
3108 is_redundant_typedef): New declaration.
3109 (output_decl): Add prototype for FUNC.
3110 (type_main_variant): Make it static.
3111 (is_tagged_type): Likewise.
3112 (is_redundant_typedef): Likewise.
3114 * expr.c (do_jump_by_parts_greater_rtx): Removed.
3115 (truthvalue_conversion): Likewise.
3117 * c-iterate.c: Include "expr.h".
3118 (expand_expr): Use proper values when calling the function.
3120 * explow.c (emit_stack_save): Add prototype for FCN.
3121 (emit_stack_restore): Likewise.
3123 * dwarf2out.c (getpwd): Add prototype.
3125 * dwarf2out.h (debug_dwarf, debug_dwarf_die): New declarations.
3127 * c-typeck.c (c_expand_asm_operands): Use proper values when calling
3130 * c-lex.c (yyprint): Add prototype.
3131 (check_newline, build_objc_string): Remove declaration.
3133 * c-tree.h (comptypes_record_hook): Removed.
3134 (finish_incomplete_decl): New prototype.
3136 * alias.c (find_base_value): Add prototype.
3137 (true_dependence): Add prototype for function argument.
3139 * c-aux-info.c (xmalloc): Remove declaration.
3141 Fri Jun 19 20:23:05 1998 Robert Lipe <robertl@dgii.com>
3143 * i386.c: Include system.h. Remove redundant includes.
3144 (optimization_options): Mark param 'size' with ATTRIBUTE_UNUSED.
3145 (i386_cc_probably_useless_p): Likewise for 'decl', 'attributes',
3146 'identifier', 'args'.
3147 (i386_valid_type_attribute_p): Likewise for 'attributes'.
3148 (i386_comp_type_attribute_p): Likewise for 'type1', 'type2'.
3149 (function_arg_partial_nregs): Likewise for 'cum', 'mode', 'type',
3151 (symbolic_operand): Likewise for 'mode'.
3152 (call_insn_operand): Likewise.
3153 (expander_call_insn_operand): Likewise.
3154 (ix86_logical_operator): Likewise.
3155 (ix86_binary_operator_ok): Likewise.
3156 (emit_pic_move): Likewise.
3157 (VOIDmode_compare_op): Likewise.
3159 (str_immediate_operand): Likewise.
3160 (ix86_uary_operator_ok): Likewise for 'code', 'mode', and 'operands'.yy
3161 (asm_output_function_prefix): Likewise for 'name'.
3162 (function_prologue): Likewise for 'file', and 'size'.
3163 (function_epilogue): Likewise.
3165 1998-06-19 Jim Wilson <wilson@cygnus.com>
3167 * loop.h (struct induction): Clarify comment for unrolled field.
3168 * unroll.c (find_splittable_givs): Move set of unrolled field
3169 after address validity check.
3171 Fri Jun 19 18:38:04 1998 Michael Meissner <meissner@cygnus.com>
3173 * config/fp-bit.c (INLINE): Only define if not already defined.
3175 1998-06-19 Manfred Hollstein <manfred@s-direktnet.de>
3177 * Makefile.in (installdirs): Loop over directories in $(libsubdir)
3178 creating probably missing ones, instead of single if statements.
3180 Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3182 * c-common.c (truthvalue_conversion): Protect side effects in the
3183 expression when splitting a complex value.
3184 * fold-const.c (fold): Likewise.
3186 Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de)
3188 * cccp.c (hack_vms_include_specification): rewrite to handle
3189 '#include <dir/file.h>' correctly.
3191 Fri Jun 19 02:24:11 1998 H.J. Lu (hjl@gnu.org)
3193 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Defined.
3195 Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com)
3197 * i386.c (notice_update_cc): Integer conditional moves don't
3200 * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag
3201 to support LT, LE, GE, and GT signed integer comparisons.
3202 (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2,
3203 movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison
3204 is LT, LE, GE, or GT.
3205 (movdicc): Remove code resulting from an earlier patch which
3206 didn't apply correctly.
3208 Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3210 * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
3211 consider a MEM in FP mode as equal.
3213 Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com)
3215 * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for
3216 duplicate declarations of a function.
3218 Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org)
3220 * config/float-i386.h: New.
3222 * configure.in (i[34567]86-*-linux-*): Set float_format to i386.
3224 Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com>
3226 * sched.c (schedule_insns): Use xmalloc not alloca for max_uid
3227 indexed arrays. Call free at the end of the function for them.
3228 * haifa-sched.c (schedule_insns): Likewise.
3230 Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com>
3232 * dwarf2out.c (size_of_string): Do count backslashes.
3234 Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com>
3236 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG
3237 addressing when one register is the frame pointer or stack
3238 pointer. Disallow REG+CONST addressing in HI mode.
3240 Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3242 * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to
3245 Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3247 * Makefile.in (c-lang.o): Depend on output.h.
3249 * c-lang.c: Include output.h.
3251 * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
3253 * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
3255 * genrecog.c (write_subroutine): When writing insn-recog.c, mark
3256 variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
3257 with ATTRIBUTE_UNUSED.
3259 * regmove.c (copy_src_to_dest): Make function static to match its
3262 * reload1.c Include hard-reg-set.h before rtl.h to get macro
3263 HARD_CONST. Include machmode.h before hard-reg-set.h.
3265 * rtl.h: Prototype `retry_global_alloc' and wrap with macro
3266 HARD_CONST to protect usage of typedef HARD_REG_SET.
3268 * tree.c: Prototype `_obstack_allocated_p'.
3270 * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
3273 Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3275 * pa.c: Include system.h and toplev.h. Remove redundant code.
3276 (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED.
3277 (symbolic_operand): Likewise.
3278 (symbolic_memory_operand): Likewise.
3279 (pic_label_operand): Likewise.
3280 (fp_reg_operand): Likewise.
3281 (pre_cint_operand): Likewise.
3282 (post_cint_operand): Likewise.
3283 (ireg_or_int5_operand): Likewise.
3284 (int5_operand): Likewise.
3285 (uint5_operand): Likewise.
3286 (int11_operand): Likewise.
3287 (uint32_operand): Likewise.
3288 (ior_operand): Likewise.
3289 (lhs_lshift_cint_operand): Likewise.
3290 (pc_or_label_operand): Likewise.
3291 (legitimize_pic_address): Likewise.
3292 (hppa_legitimize_address): Likewise for parameter `old'.
3293 (output_block_move): Likewise for parameter `size_is_constant'.
3294 (output_function_prologue): Likewise for parameter `size'.
3295 (output_function_epilogue): Likewise.
3296 (return_addr_rtx): Likewise for parameter `count'.
3297 (output_mul_insn): Likewise for parameter `unsignedp'.
3298 (hppa_builtin_saveregs): Likewise for parameter `arglist'.
3299 (output_bb): Likewise for parameter `operands'.
3300 (output_bvb): Likewise.
3301 (function_label_operand): Likewise for parameter `mode'.
3302 (plus_xor_ior_operator): Likewise.
3303 (shadd_operand): Likewise.
3304 (non_hard_reg_operand): Likewise.
3305 (eq_neq_comparison_operator): Likewise.
3306 (movb_comparison_operator): Likewise.
3307 (pa_combine_instructions): Likewise for parameter `insns'.
3309 * pa.h: Add prototypes for functions `output_deferred_plabels',
3310 `override_options', `output_ascii', `output_function_prologue',
3311 `output_function_epilogue', `print_operand',
3312 `symbolic_expression_p', `reloc_needed', `compute_frame_size',
3313 `hppa_address_cost', `and_mask_p', `symbolic_memory_operand',
3314 `pa_adjust_cost', `pa_adjust_insn_length' and
3315 `secondary_reload_class'.
3317 Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com>
3319 * configure.in: Don't turn on collect2 unconditionally.
3321 Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com>
3323 * cse.c (cse_basic_block): Don't include NOTE insns in the count
3324 that is used to decide whether or not it is time to erase the
3327 Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3329 * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero.
3331 Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu>
3333 * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
3334 (sched_analyze_2): Allow scheduling TRAP_IF.
3336 * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
3338 * rtl.h (TRAP_CODE): New macro.
3340 * rtl.def (TRAP_IF): Change second operand type to rtx.
3342 * optabs.c (gen_cond_trap): New function.
3343 (init_traps): New function.
3344 (init_optabs): Call init_traps.
3345 * expr.h: Declare gen_cond_trap.
3347 * jump.c (jump_optimize): Optimize jumps to and around traps.
3349 * sparc.md: Define trap instructions.
3351 * rs6000.md: Define trap instructions.
3352 * rs6000.c (print_operand): New code 'V' for trap condition.
3353 (trap_comparison_operator): New function.
3355 * m88k.md: Update use of TRAP_IF.
3357 * tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
3358 * c-decl.c (init_decl_processing): New builtin __builtin_trap.
3359 * expr.c (expand_builtin): Handle BUILT_IN_TRAP.
3361 * expr.c (expand_builtin): Error if __builtin_longjmp second argument
3364 Wed Jun 17 15:20:00 PDT 1998 Catherine Moore <clm@cygnus.com>
3366 * reload1.c (spill_hard_reg): Check mode of register when
3367 spilling from scratch_list.
3369 Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
3371 * except.c (add_new_handler): fix bug in finding last region handler.
3372 * libgcc2.c (find_exception_handler): Pass exception table pointer
3373 to runtime type matcher, not the match info field.
3375 Wed Jun 17 15:57:48 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
3377 * eh-common.h (struct eh_context): Add comment for hidden use of
3378 field dynamic_handler_chain.
3379 * except.c (get_dynamic_handler_chain): Comment on, and use the
3380 correct offset of the dynamic_handler_chain field.
3382 1998-06-17 12:46:56 1998 Jim Wilson <wilson@cygnus.com>
3384 * mips/iris6.h (LINK_SPEC): Add -woff 131.
3386 1998-06-17 Jason Merrill <jason@yorick.cygnus.com>
3388 * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init.
3390 * configure.in: Don't disable collect2 when we have GNU ld.
3392 Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com)
3394 * fold-const.c (make_range): Do not widen the type of the expression.
3396 * expr.c (check_max_integer_computation_mode): New function.
3397 (expand_expr): Avoid integer computations in modes wider than
3398 MAX_INTEGER_COMPUTATION_MODE.
3399 * fold-const.c (fold): Likewise.
3400 * tree.h (check_max_integer_computation_mode): Declare.
3401 * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
3403 * configure.in (nm): Make a link to "nm" in the build tree too.
3405 * mn10300.md (andsi3): Fix typo.
3407 Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com>
3409 * reload1.c (reload_cse_regs): Call bzero instead of looping.
3411 Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com>
3413 * dwarf2out.c (stripattributes): Prepend '*' to the section name.
3415 Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com>
3417 * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns.
3418 (output_prologue, output_epilogue): Merge VMS and OSF versions;
3419 Remove anything related to the actual code generation.
3420 (output_end_prologue): New function.
3421 (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions.
3422 (alpha_does_function_need_gp): Return false for VMS.
3423 (alpha_function_needs_gp): Make static.
3424 (add_long_const): Delete.
3425 (summarize_insn): Don't assume a SUBREG is of a REG.
3426 Prototype all static functions. Rename VMS-specific global
3428 * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0.
3429 (FUNCTION_BOUNDARY): Align to cache line.
3430 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword.
3431 (FUNCTION_END_PROLOGUE): New macro.
3432 * alpha.md (attribute length): New. Mark all insns.
3433 (return_internal, prologue_stack_probe_loop) New patterns.
3434 (prologue, init_fp, epilogue): New patterns.
3436 * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define.
3438 Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com>
3440 * toplev.c (lang_options): Add -trigraphs option for cpplib.
3442 Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3444 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
3445 is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
3446 is earlier than RELOAD_FOR_INPUT_ADDRESS.
3448 Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com>
3450 * libgcc1-test.c (memcpy): Define.
3452 Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com>
3454 * genattrtab.c (struct attr_desc): Change int flags to bit
3455 fields. Add bit fields for this being function_units_used
3456 or *_blockage_range attributes.
3457 (write_unit_name): New function to print a function unit name
3459 (expand_units): Indicate whether this is function_units_used or
3460 *_blockage_range attributes.
3461 (write_toplevel_expr): Print function_units_used and
3462 *_blockage_range attributes in a more friendly fashion.
3463 (make_internal_attr): Indicate whether this attribute is either
3464 function_units_used or *_blockage_range.
3466 Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com>
3467 Jim Wilson <wilson@cygnus.com>
3469 * regmove.c (copy_src_to_dest): Do not copy src to dest if either
3470 the source or destination is special.
3472 Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com>
3474 * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop.
3476 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
3478 * version.c: Bump for snapshot.
3480 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
3482 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
3485 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
3487 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
3488 (ENDFILE_SPEC): Add -lgloss.
3490 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3492 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
3493 (large_int): Likewise.
3494 (pc_or_label_operand): Likewise.
3495 (call_insn_operand): Likewise.
3496 (consttable_operand): Likewise.
3497 (m16_uimm3_b): Likewise.
3498 (m16_simm4_1): Likewise.
3499 (m16_nsimm4_1): Likewise.
3500 (m16_simm5_1): Likewise.
3501 (m16_nsimm5_1): Likewise.
3502 (m16_uimm5_4): Likewise.
3503 (m16_nuimm5_4): Likewise.
3504 (m16_simm8_1): Likewise.
3505 (m16_nsimm8_1): Likewise.
3506 (m16_uimm8_1): Likewise.
3507 (m16_nuimm8_1): Likewise.
3508 (m16_uimm8_m1_1): Likewise.
3509 (m16_uimm8_4): Likewise.
3510 (m16_nuimm8_4): Likewise.
3511 (m16_simm8_8): Likewise.
3512 (m16_nsimm8_8): Likewise.
3513 (m16_usym8_4): Likewise.
3514 (m16_usym5_4): Likewise.
3515 (mips_move_1word): Change type of variable `i' from int to size_t.
3516 (mips_move_2words): Likewise.
3517 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
3518 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
3519 (function_arg): Likewise.
3520 (function_arg_partial_nregs): Mark parameter `named' with
3522 (override_options): Use ISDIGIT instead of isdigit.
3523 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
3524 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
3525 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
3526 function `fatal' to long before printing. Use
3527 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
3528 times in this function.
3529 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
3530 (function_epilogue): Likewise for parameters `file' and `size'.
3531 Print an int with "%d" not "%ld".
3532 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
3533 (mips_function_value): Likewise for parameter `func'.
3534 (function_arg_pass_by_reference): Likewise for parameters `cum'
3536 (extend_operator): Likewise for parameter `mode'
3537 (highpart_shift_operator): Likewise.
3539 * mips.md (mul_acc_si): Remove unused variable `macc'.
3541 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
3543 * fold-const.c (fold): Revert last change. It breaks constant
3544 expressions somehow.
3546 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3548 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
3549 prevent operands from being evaluated twice.
3551 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
3553 * toplev.c (lang_options): Add -remap as a preprocessor option.
3555 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
3557 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
3558 which set CC_REVERSED since reload should ensure that
3559 the operands are already the correct type.
3561 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
3563 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
3564 calling gen_rtx_SET.
3566 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
3568 * config/rs6000/x-aix43 (AR): Delete.
3569 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
3571 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
3573 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
3575 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
3577 * mips.c (override_options): Replace word_mode with explicit
3580 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
3582 * regmove.c (regmove_optimize): If we can't replace the
3583 destination in an insn that sets the source, generate an explicit
3584 move of the source to the destination.
3585 (copy_src_to_dest): New function.
3586 (toplevel): Include basic-block.h
3588 * Makefile.in (regmove.o): Add basic-block.h dependencies.
3590 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
3592 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
3594 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
3596 * rtl.h (rtx_def): Improve documentation.
3597 (MEM_IN_STRUCT_P): Likewise.
3599 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
3601 * c-decl.c (start_decl): Correct test for -Wmain.
3603 * c-decl.c (grokdeclarator): Remove unused variable "last".
3605 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
3607 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
3608 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
3609 Delete code storing value in static_chain_rtx.
3610 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
3611 to second expand_expr call.
3613 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
3615 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
3617 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
3619 * cppmain.c (fatal): New function.
3620 * configure.in (cpp_main): New configuration variable.
3621 * configure: Regenerated.
3622 * Makefile.in (CCCP): Use a configuration variable to select basex
3624 (cppmain$(exeext)): Add @extra_cpp_objs@.
3626 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
3628 * objc/objc-act.c: Add cpplib declarations.
3629 (lang_decode_option): Initialize cpplib if necessary.
3630 (lang_decode_option): New argc/argv interface.
3631 * tree.h (lang_decode_option): New argc/argv interface.
3632 * toplev.c (lang_options): Add cpp options.
3633 (main): New interface for lang_decode_option.
3634 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
3635 unless -E, -M or -MM is specified.
3636 * cpplib.h (cpp_handle_option): New function.
3637 * cpplib.c (cpp_handle_option): New function.
3638 (cpp_handle_options): Now calls cpp_handle_option.
3639 * c-tree.h (c_decode_option): New argc/argv interface.
3640 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
3641 * c-lang.c (lang_decode_option): New argc/argv interface.
3642 * c-decl.c: Add cpplib declarations.
3643 (c_decode_option): New argc/argv interface.
3644 (c_decode_option): Call cpp_handle_option.
3645 (c_decode_option): Now returns number of strings processed.
3647 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
3649 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
3650 changes. Abort if the undo fails.
3652 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
3654 * config/rs6000/rs6000.c (output_prolog): Change locations and
3655 directions of saving and restoring arguments of main on the stack.
3657 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
3659 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
3660 for each alternative. Do not replace a CONST_INT with a REG unless
3663 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
3665 * decl.c (init_decl_processing): Fix typo.
3667 * mips.c (gpr_mode): New variable.
3668 (override_options): Initialize gpr_mode.
3669 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
3670 determine size and offset of general purpose registers save slots.
3671 (save_restore_insns, mips_expand_prologue): Similarly.
3673 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
3674 between constant representations when we have (SUBREG (REG)) with
3675 REG equivalent to a constant.
3677 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
3679 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
3681 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
3683 * fold-const.c (fold): Even with otherwise constant trees, look for
3684 opportunities to combine integer constants.
3686 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
3688 * i386.c (notice_update_cc): Clear cc_status.value2 in the
3689 case of UNSPEC 5 (bsf).
3691 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
3692 conditional move instructions don't support signed integer
3695 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
3697 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
3700 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
3701 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
3704 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3706 * except.c (expand_start_catch): Rename to start_catch_handler.
3707 (expand_end_catch): Delete function.
3708 (expand_end_all_catch): Remove catch status that expand_end_catch
3710 * except.h (expand_start_catch): Rename prototype.
3711 (expand_end_catch): Delete prototype.
3713 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
3715 * invoke.texi: Add documentation for -mips4 and -mabi=*.
3717 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
3719 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
3720 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
3721 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3723 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
3725 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
3726 as the threshold to permit splitting memory operations.
3728 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
3730 * mips.c (gpr_mode): New variable.
3731 (override_options): Initialize gpr_mode.
3732 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
3733 determine size and offset of general purpose registers save slots.
3734 (save_restore_insns, mips_expand_prologue): Similarly.
3736 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
3737 (LIBGCC2_CFLAGS): Remove -fexceptions.
3738 (LIB2FUNCS): Remove "_eh".
3739 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
3740 it with -fexceptions.
3742 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
3743 * local-alloc.c (block_alloc): Avoid creating false
3744 dependencies for targets which use instruction scheduling.
3746 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
3748 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
3749 (ASM_FINISH_DECLARE_OBJECT): Define;
3750 * mips/elf64.h: Likewise.
3752 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
3754 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
3756 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
3758 * version.c: Bump for snapshot.
3760 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
3762 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
3763 (mulsidi3_ppc64): Delete.
3765 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3767 * Makefile.in (varasm.o): Depend on dbxout.h.
3768 (cse.o): Depend on toplev.h and output.h.
3769 (gcse.o): Depend on output.h.
3771 * mips.c: Include system.h and toplev.h and remove redundant code.
3772 Include output.h after tree.h so all its prototypes get activated.
3773 * mips.md (table_jump): Remove unused variable `dest'.
3775 * sparc.h: Add prototype for `v8plus_regcmp_op'.
3777 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
3778 with __attribute__ ((__unused__)).
3779 (__frame_dummy): Provide prototype before use, wrap it with
3780 EH_FRAME_SECTION_ASM_OP.
3782 * cse.c: Move inclusion of <setjmp.h> above local headers.
3783 Include toplev.h and output.h.
3785 * dbxout.h: Add prototype for `dbxout_begin_function'.
3787 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
3788 ASM_OUTPUT_MAX_SKIP_ALIGN.
3790 * gcse.c: Include system.h and output.h.
3791 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
3792 Make extern instead of static.
3793 (compute_can_copy): Only declare variables `reg' and `insn' when
3794 AVOID_CCMODE_COPIES is not defined.
3795 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
3796 (hash_scan_clobber): Likewise for `x' and `insn'.
3797 (hash_scan_call): Likewise.
3798 (record_last_set_info): Likewise for `setter'.
3799 (mark_call): Likewise for `pat'.
3800 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
3802 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
3803 length parameter so that it multiplies the number of elements by
3804 the sizeof(element).
3806 * output.h: Add prototype for `weak_finish'.
3808 * recog.h: Likewise for `validate_replace_src'.
3810 * rtl.h: Likewise for `optimize_save_area_alloca',
3811 `fix_sched_param', `purge_addressof', `gcse_main',
3812 `regmove_optimize', `dbr_schedule', `branch_prob' and
3815 * toplev.h: Likewise for `set_float_handler' and
3816 `output_quoted_string'.
3818 * varasm.c: Include dbxout.h.
3820 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
3822 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
3823 GP_REG_P. Use gr_regs instead of GR_REGS.
3825 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
3826 Jeff Law <law@cygnus.com>
3828 * Revamped multiply support for MIPS chips.
3829 * mips.c (extend_operator): New function.
3830 (highpart_shift_operator): Likewise.
3831 * mips.h: Declare new functions.
3832 (PREDICATE_CODES): Add support for new predicates.
3833 * mips.md (mulsi3 expander): Simplify.
3834 (mulsi_mult3): Add another constraint alternative. Support
3835 3 operand multiply instructions as found on various mips
3837 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
3838 (mul_acc_si): New pattern and associated splitters.
3839 (mulsidi3 expander): Rework to use mulsidi3_64bit and
3841 (umulsidi3): New expander.
3842 (mulsidi3_internal): Accept either sign or zero extended
3843 operands and generate code as appropriate appropriately.
3844 (mulsidi3_64bit): Similarly.
3845 (smulsi3_highpart): Turn into an expander and generate code
3846 to match new patterns.
3847 (umulsi3_highpart): Likewise.
3848 (xmulsi3_highpart_internal): New pattern.
3849 (maddi patterns): Delete. Replace with:
3850 (mul_acc_di, mul-acc_64bit_di): New patterns.
3852 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3854 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
3855 flag_new_exceptions runtime flag.
3856 (struct old_exception_table): New struct which represents what
3857 the exception table looks like without the new model.
3858 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
3859 flag that this is a new style table.
3860 * except.h: Remove compile time flag NEW_EH_MODEL.
3861 (expand_builtin_eh_stub_old): New prototype.
3862 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
3863 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
3864 * c-decl.c (init_decl_processing): Add new builtin function
3865 __builtin_eh_stub_old.
3866 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
3867 * flags.h (flag_new_exceptions): New runtime flag.
3868 * toplev.c (flag_new_exceptions): Initialize default to 0,
3869 -fnew-exceptions sets to 1.
3870 * except.c (output_exception_table_entry): Output New style exception
3871 identifier into table, and replace compile time flag NEW_EH_MODEL
3872 with runtime flag flag_new_exceptions.
3873 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
3874 (expand_builtin_eh_stub_old): Duplicates original functionality of
3875 expand_builtin_eh_stub.
3876 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
3877 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
3878 (old_find_exception_handler): New func, same as find_exception_handler
3879 except it works on the old style exception table.
3880 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
3881 of identifier in the exception table, and call appropriate routines.
3883 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
3885 * function.c: Define current_function_cannot_inline.
3886 (push_function_context_to): Save it.
3887 (pop_function_context_from): Restore it.
3888 * function.h (struct function): Provide it a home.
3889 * output.h: Declare it.
3890 * integrate.c (function_cannot_inline_p): Check it.
3892 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
3894 * expr.c (force_operand): Detect PIC address loads before
3895 splitting arithmetic.
3897 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
3899 * version.c: Bump for snapshot.
3901 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
3903 * tree.c (tree_class_check): Add braces to eliminate ambigious
3905 (tree_check): Likewise.
3907 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
3909 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
3910 stack is the destination for conditional move insn.
3912 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
3914 * tree.h (TREE_VEC_END): Cast unused value to void.
3916 * i386.c (print_operand): Use %lx for long operand.
3918 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
3920 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
3922 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
3924 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
3925 conversion functions.
3927 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
3929 * toplev.c (flag_exceptions): Default to 0.
3930 (compile_file): Remove flag_exceptions == 2 hack.
3931 (main): Call lang_init_options.
3932 * tree.h: Declare it.
3933 * c-lang.c: Implement it.
3934 * objc/objc-act.c: Likewise.
3936 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
3938 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
3939 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
3940 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
3941 (output_function_profiler): Use asm_fprintf and fputs.
3943 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3945 * gencheck.c: Remove redundant stdio.h include. Add a definition
3946 of xmalloc for when we are forced to link with alloca.o.
3948 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
3951 * fold-const.c (constant_boolean_node): Make definition static to
3952 match the prototype.
3954 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
3956 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
3957 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
3958 (do_spec, input_filename, input_filename_length): Make public.
3959 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
3960 Call lang_specific_pre_link befor elinking.
3962 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
3964 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
3965 the insn which has the most insns dependent on it.
3967 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
3969 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
3971 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
3973 * alpha.md (insxh-1): New insxl pattern for combine.
3975 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
3977 * i386/i386.c (output_fp_conditional_move): New function
3978 to output floating point conditional move.
3979 (output_int_conditional_move): New function to output integer
3982 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
3983 output_int_conditional_move () to output int conditional move.
3984 (movsfcc+5, movdfcc+5, movxfcc+5): Call
3985 output_fp_conditional_move () to output floating point
3988 * i386/i386.c (put_condition_code): In INT mode, check
3989 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
3991 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
3993 * dbxout.c (dbxout_type): Output arrays of bits as if
3994 they were bitstrings for Chill
3996 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
3998 * tree.c (get_inner_array_type): New function.
3999 * tree.h (get_inner_array_type): Prototype.
4000 * expr.h (STACK_SAVEAREA_MODE): New macro.
4001 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
4002 STACK_SAVEAREA_MODE.
4003 (expand_builtin_longjmp): Likewise.
4004 * explow.c (emit_stack_save): Likewise.
4005 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
4007 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
4008 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
4009 * rs6000/aix43.h: New file.
4010 * rs6000/t-aix43: New file.
4011 * rs6000/x-aix41: New file.
4012 * rs6000/x-aix43: New file.
4013 * configure.in (rs6000-ibm-aix*): Use them.
4014 * rs6000/powerpc.h: Delete.
4015 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
4016 * rs6000/netware.h: and here.
4017 * rs6000/win-nt.h: and here.
4019 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
4021 (rs6000_override_options): Ignore flag_pic for AIX.
4022 (rs6000_immed_double_const): Delete.
4023 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
4024 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
4025 (num_insns_constant): mask64_operand() is 2 insns.
4026 (logical_operand): Don't assume 32-bit CONST_INT.
4027 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
4028 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
4029 (mask_constant): HOST_WIDE_INT parameter.
4030 (non_and_cint_operand): Delete.
4031 (mask64_operand): New function.
4032 (and64_operand): New function.
4033 (function_arg_advance): DImode arguments do not need special
4034 alignment when 64-bit.
4035 (function_arg): Likewise.
4036 (setup_incoming_varargs): Reverse reg_size assignment.
4037 (print_operand): HOST_WIDE_INT second parameter.
4038 (print_operand, 'B'): New case.
4039 (print_operand, 'M'): Fix typo in lossage string.
4040 (print_operandm 'S'): New case.
4041 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
4042 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
4043 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
4044 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
4045 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
4046 (rs6000_allocate_stack_space): Use {cal|la}.
4047 (output_epilog): Use {cal|la}
4048 (output_function_profiler): Add call glue to mcount call.
4049 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
4051 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
4052 (STACK_BOUNDARY): Depend on TARGET_32BIT.
4053 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
4054 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
4055 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
4056 64-bit mask operand.
4057 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
4058 (STACK_SAVEAREA_MODE): New macro.
4059 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
4060 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
4061 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
4062 (ASM_FILE_START): Emit 64-bit ABI directive.
4063 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
4064 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
4065 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
4066 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
4068 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
4069 Restore define_splits.
4070 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
4071 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
4072 Do not specify base register operand mode.
4073 (floatsidf2_loadaddr): Do not specify base register operand mode.
4074 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
4075 register; do not specify mode. Remove !TARGET_POWERPC64 final
4077 (floatsidf2_load): Do not specify base register operand mode. Remove
4078 !TARGET_POWERPC64 final constraint.
4079 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
4080 base register operand mode.
4081 (adddi3): Split large constants early.
4082 (absdi3): Shift by 63, not 31.
4083 (*mulsidi3_ppc64): New pattern.
4084 (rotldi3): Add masking combiner patterns.
4085 (anddi3): Add rldic{r,l} masking. Remove split of large constants
4086 because PPC insns zero-extend.
4087 (iordi3, xordi3): Split large constants early.
4088 (movsi matcher): Remove S and T constraints.
4089 (movsf const_double): create SImode constant from TARGET_DOUBLE.
4090 (movdf_hardfloat32): Add default abort() case.
4091 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
4092 (movdi): Remove 64-bit constant generator. Try to convert
4093 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
4094 (movdi_32): Add default abort() case.
4095 (movdi_64): Add numerous ways to split 64-bit constants.
4096 Make catch-all define_split more optimal and never FAIL.
4097 (movti_ppc64): Add default abort() case.
4098 (allocate_stack): Remove operand modes. Use Pmode.
4099 (restore_stack_block): Remove operand modes. Generate Pmode
4101 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
4102 temporary. Save area is double Pmode.
4103 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
4104 (call, call_value): Do not specify address operand mode. Choose
4105 appropriate AIX ABI.
4106 (*call_local64, *ret_call_local64): New patterns.
4107 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
4108 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
4109 (compare): Materialize DImode truthvalues.
4111 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
4113 * expr.c (safe_from_p): Avoid combinatorial explosion
4114 over duplicate SAVE_EXPRs by ensuring we never recurse
4115 on one that has already been visited.
4117 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
4119 * loop.c (check_dbra_loop): Initialise final_value before
4120 normalizing the loop.
4122 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4124 * reload1.c (reload_reg_free_for_value_p): New arguments out and
4125 reloadnum. Changed all callers.
4127 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
4129 * system.h: Add _() and N_() macros in preparation for gettext.
4131 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4133 * c-common.c (check_format_info): Put back check for C9x `hh'
4134 length modifier. Warn about %n format writing into const. Remove
4136 (format_char_info): Fix comments.
4138 * configure.in: Set float_format to m68k for all m68k targets that
4139 do not override LONG_DOUBLE_TYPE_SIZE.
4140 * config/float-m68k.h: New file.
4142 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
4144 * jump.c (jump_optimize): Remove debug messages accidentally left in
4145 with the previous change.
4147 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
4149 * expr.c (store_expr): Revert stray patch associated with
4152 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
4154 * jump.c (rtx_unsafe_p): New function.
4155 (jump_optimize): Use it on if/then/else transformations and
4156 conditional move transformations.
4158 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4160 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
4161 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
4162 Cope with CONST being out of range for the bitfield.
4164 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4166 * expr.c (emit_move_insn_1): When moving complex values in several
4167 steps, emit a CLOBBER to show the destination dies.
4169 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
4171 * Makefile.in (site.exp): Use the object testsuite directory as
4172 the temporary directory.
4174 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
4175 address of an ADDRESSOF rtx.
4177 1998-06-02 Mike Stump <mrs@wrs.com>
4179 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
4180 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
4181 * i960.md (ret, flush_register_windows): Define.
4182 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
4184 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
4186 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
4188 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
4189 around an OSF/1 library bug wrt sign-extension of inputs.
4191 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
4193 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
4195 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
4197 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
4199 * varasm.c (assemble_variable): Augment alignment warning.
4201 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
4203 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
4204 in the presence of IEEE negative 0's.
4206 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
4208 * reload.c (find_reloads): Record the existing mode if
4209 operand_mode == VOIDmode before replacing a register with
4211 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
4212 i386_compare_op1 to const0_rtx for the benefit of the
4213 conditional move patterns.
4214 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
4215 based on suggestions from Jim Wilson.
4217 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
4219 * version.c: Bump for snapshot.
4221 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
4223 * Makefile.in (fixinc.sh): Update rules again.
4225 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
4227 * extend.texi: Bring back reference to trampoline paper.
4229 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
4231 * Makefile.in (USER_H): Add stdbool.h.
4232 * ginclude/stdbool.h: New file.
4234 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
4236 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
4239 * gcse.c (pre_delete): Fix code to determine the mode of
4240 the reaching pseudo register.
4242 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4244 * Makefile.in (GEN): Add gencheck
4245 (STAGESTUFF): Add tree-check.h and gencheck.
4247 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
4249 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
4250 (fixinc.sh): Set some additional environment variables before
4251 calling mkfixinc.sh.
4253 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
4255 * reload.c (find_reloads): Do not force a reloads of match_operators.
4257 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4259 * except.h (remove_handler): Add new prototype.
4260 * except.c (remove_handler): New function to remove handlers
4261 from an exception region.
4262 * flow.c (find_basic_blocks_1): Remove handlers from regions when
4263 handler label is deleted; remove exception regions with no handlers.
4265 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
4267 * except.h (rtx): Define rtx type correctly if needed.
4268 * function.h (rtx): Ditto.
4269 (tree): Define tree type correctly if needed.
4271 * c-pragma.c (toplevel): Include rtl.h.
4273 * stor-layout.c (toplevel): Move include of rtl.h before
4276 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
4277 (tree.o): Add except.h dependency.
4279 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
4281 * reload1.c: Revert accidental checkin.
4283 * configure.lang: Fix thinko when adding a definition for
4284 target_alias to the Makefile.
4286 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
4288 * config/sparc/lb1spc.asm (.rem and .urem): Replace
4291 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
4293 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
4294 variable warnings. Don't generate scratch registers if only
4296 (find_barrier): Eliminate unused variable SRC.
4298 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
4300 * toplev.h (rtx_def): Provide global declaration to avoid
4301 `limited scope' warnings.
4303 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
4305 * Makefile.in (gencheck.o): Use HOST_CC.
4306 * i386/t-mingw32: New file.
4307 * configure.in (i386-*-mingw32*): Use.
4309 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
4311 * arm.c (bad_signed_byte_operand): New predicate function.
4312 * arm.h (PREDICATE_CODES): Add it to the list.
4313 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
4315 (define_split): Two new splits for above insns.
4317 * arm.c: Include toplev.h.
4318 (arm_override_options): Add parentheses around use of tune_flags.
4319 (arm_split_constant): Remove unused variable.
4320 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
4321 (output_func_prologue, arm_expand_prologue): Likewise.
4322 (arm_canonicalize_comparison): Make I unsigned; rework constants
4323 accordignly. Add missing paratheses around << operation.
4324 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
4326 ({load,store}_multiple_sequence): Initialize BASE_REG.
4327 (select_dominance_cc_mode): Add DEFAULT clauses.
4328 (broken_move): Return zero if the destination is not a register.
4329 (arm_reorg): Move unused REGNO declaration into the dead code.
4330 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
4332 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
4334 * version.c: Bump for snapshot.
4336 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
4338 * version.c: Bump for snapshot.
4340 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
4342 * cpperror.c (v_cpp_message): Remove static prototype.
4343 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
4344 * cpplib.h (v_cpp_message): Add protoptype.
4345 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
4347 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
4349 * version.c: Bump for snapshot.
4351 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
4353 * version.c: Bump for snapshot.
4355 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4357 * m68k.h: Declare more functions used in macros.
4358 (REG_CLASS_CONTENTS): Completely embrace initializer.
4359 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
4360 about returning no value.
4361 * cse.c (find_best_addr): Declare p and found_better only if
4363 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
4364 * dwarfout.c (string_length_attribute): #if 0 away.
4365 * function.c (expand_function_end): Define varible blktramp only
4367 * jump.c (find_insert_position): Define only if !HAVE_cc0.
4368 * loop.c (combine_givs_p): Define variable tem only if needed.
4369 * real.c: Comment out unused functions eabs, eround,
4370 e{24,53,64,113}toasc and eiinfin.
4373 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4375 * Makefile.in (boostrap2-lean, bootstrap3-lean,
4376 bootstrap4-lean): New targets.
4378 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
4380 * warn_summary, test_summary: Moved into the contrib directory.
4382 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
4384 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
4386 (FLOAT_H_TEST): Likewise.
4387 (ENQUIRE): Likewise.
4388 (float.h-nat): Likewise.
4389 (float.h-cross): Likewise.
4390 (enquire): Likewise.
4391 (enquire.o): Likewise.
4392 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
4393 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
4395 (FLOAT_H): Remove old float.h-nat version; move current definition
4396 to CROSS_FLOAT_H location.
4397 (all.cross): Remove comments about enquire stuff.
4399 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
4400 (rest.encap): Likewise.
4401 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
4403 * toplev.h (tree_node): Provide global declaration to avoid
4404 `limited scope' warnings.
4406 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
4408 * test_summary: Display section breaks for each entry
4409 in a multilibbed target's output.
4411 1998-05-23 Richard Henderson <rth@cygnus.com>
4413 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4414 offset's mode is not ptr_mode, convert it.
4416 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
4418 * fold-const.c (ssize_binop): New fn.
4419 * tree.h: Declare it.
4421 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
4423 * genextract.c (print_path): Handle zero-length path as a special
4426 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
4428 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
4430 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
4432 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
4433 (shorten_branches, final_scan_insn): Test value of
4434 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
4436 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
4437 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
4438 * arm/tcoff.h: Likewise.
4439 * i386/386bsd.h: Likewise.
4440 * i386/freebsd-elf.h: Likewise.
4441 * i386/freebsd.h: Likewise.
4442 * i386/netbsd.h: Likewise.
4443 * i386/ptx4-i.h: Likewise.
4444 * i386/sysv4.h: Likewise.
4445 * pa/pa.h: Likewise.
4446 * rs6000/linux.h: Likewise.
4447 * rs6000/rs6000.h: Likewise.
4448 * sh/sh.h: Likewise.
4449 * sparc/sp64-elf.h: Likewise.
4450 * v850/v850.h: Likewise.
4451 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
4452 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
4454 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4456 * regmove.c (gen_add3_insn): New function.
4457 (fixup_match_2): Use it instead of calling gen_addsi3.
4459 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
4461 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
4463 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
4466 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4468 * Makefile.in (TREE_H): Add tree-check.h.
4469 (tree-check.h, gencheck): New targets.
4470 * gencheck.c: New file.
4471 * tree.c (tree_check, tree_class_check): New functions.
4472 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
4473 (TYPE_CHECK, DECL_CHECK): Define.
4474 Modify all access macros to use generated checking macros.
4476 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
4478 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
4479 * configure.in: Check for it.
4480 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
4481 * final.c (uid_align, uid_shuid, label_align): Make static.
4482 (label_align): Change type to struct label_alignment pointer.
4483 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
4484 (LABEL_TO_MAX_SKIP): Define.
4485 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
4486 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
4487 (shorten_branches): Record the maximum bytes to skip when
4489 (final_scan_insn): Use the maximum bytes to skip when aligning a label
4490 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
4491 * i386.h (LOOP_ALIGN_MAX_SKIP,
4492 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
4493 * i386.c (override_options): i386_align_jumps and i386_align_loops
4494 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
4495 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
4497 1998-05-21 Mark Mitchell <mmitchell@usa.net>
4499 * cplus-dem.c (do_type): Handle volatile qualification.
4501 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
4503 * function.c (init_function_start): Don't call emit_line_note if
4504 lineno is 0. (Can happen when compiling Java .class files.)
4506 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4508 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
4509 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
4511 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4513 * combine.c (nonzero_bits): For paradoxical subregs, take
4514 LOAD_EXTENDED_OP into account.
4516 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
4518 * configure.in (extra_c_objs): add prefix.o.
4519 (extra_cxx_objs): extra objects for C++ with cpplib.
4520 * configure: Regenerate.
4522 * c-tree.h: (get_directive_line): Different prototype for cpplib.
4523 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
4525 * c-lex.h: (get_directive_line): Not needed here for cpplib.
4527 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
4528 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
4530 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
4531 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
4533 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4535 * gengenrtl.c (type_from_format, accessor_from_format): Change
4536 type of parameter `c' from `char' to `int'.
4538 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
4540 * warn_summary, test_summary: New scripts from
4541 Kaveh Ghazi and Alexandre Oliva respectively.
4543 * gcse.c (current_function_calls_longjmp): Declare.
4545 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
4547 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
4549 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
4550 Jeff Law (law@cygnus.com)
4552 * Global CSE and constant/copy propagation.
4553 * Makefile.in (OBJS): Add gcse.o
4554 (STAGESTUFF): Add *.gcse.
4555 (gcse.o): Add dependencies.
4556 (mostlyclean): Remove *.gcse and */*.gcse.
4558 * loop.c (loop_optimize): Move call to init_alias_analysis.
4559 * recog.c (validate_replace_src): New function.
4560 * toplev.c (gcse_dump): New global variable.
4561 (flag_gcse, gcse_time): Likewise.
4562 (compile_file): Initialize gcse_time and clean out the gcse dump
4564 (rest_of_compilation): Call gcse_main as requested. Dump RTL
4565 after gcse if requested.
4566 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
4568 * gcc.texi: Add gcse related internal documentation.
4569 * invoke.texi: Note new command line options for gcse.
4570 * tm.texi: Document AVOID_CCMODE_COPIES.
4571 * mips.h (AVOID_CCMODE_COPIES): Define.
4573 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
4575 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
4577 (stmp-fixproto): Simlarly for running fixproto.
4578 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
4580 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
4582 * config/mips/mips.c (double_memory_operand): Accept any MEM during
4583 reload when TARGET_64BIT.
4585 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
4587 Finish incomplete change started by Kenner.
4588 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
4589 (powerpcle-*-cygwin32): Delete xm_defines.
4590 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
4591 HAVE_STAB_H instead of NO_STAB_H.
4592 * config/xm-linux.h (NO_STAB_H): Delete.
4593 (HAVE_STAB_H): Undefine.
4594 * config/i386/xm-go32.h (NO_STAB_H): Delete.
4596 1998-05-19 Jim Wilson <wilson@cygnus.com>
4598 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
4599 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
4601 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
4603 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
4605 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4607 * reload1.c (reload_reg_free_for_value_p): New function.
4608 (allocate_reload_reg, choose_reload_regs): Use it.
4610 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
4612 * except.c (expand_start_catch): Correct logic for when to
4613 generate a new handler label, and when to use the old one.
4615 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * Makefile.in (print-rtl.o): Depend on bitmap.h.
4618 (dbxout.o): Depend on toplev.h.
4619 ($(SCHED_PREFIX)sched.o): Likewise.
4620 ($(out_object_file)): Likewise for system.h and toplev.h.
4621 (cppmain.o): Depend on gansidecl.h.
4622 (cpplib.o): Likewise.
4623 (cpperror.o): Likewise.
4624 (cppexp.o): Likewise.
4625 (cpphash.o): Likewise.
4626 (cppalloc.o): Likewise.
4627 (fix-header.o): Depend on cpplib.h and cpphash.h.
4628 (scan-decls.o): Depend on gansidecl.h.
4630 * basic-block.h (free_regset_vector): Add prototype.
4632 * cccp.c (check_precompiled): Mark parameter `fname' with
4634 (do_assert): Likewise for `op' and `keyword'.
4635 (do_unassert): Likewise.
4636 (do_line): Likewise for `keyword'.
4637 (do_error): Likewise for `op' and `keyword'.
4638 (do_warning): Likewise.
4639 (do_ident): Likewise for `keyword'.
4640 (do_pragma): Likewise for `limit', `op' and `keyword'.
4641 (do_sccs): Likewise.
4642 (do_if): Likewise for `keyword'.
4643 (do_elif): Likewise.
4644 (do_else): Likewise.
4645 (do_endif): Likewise.
4647 * collect2.c (getenv): Remove redundant prototype.
4648 (collect_exit, collect_execute, dump_file): Likewise.
4649 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
4650 (dump_prefix_list): Hide prototype and definition.
4652 * sparc.c: Include toplev.h.
4653 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
4654 (symbolic_memory_operand): Likewise.
4655 (sp64_medium_pic_operand): Likewise.
4656 (data_segment_operand): Likewise.
4657 (text_segment_operand): Likewise.
4658 (splittable_symbolic_memory_operand): Likewise.
4659 (splittable_immediate_memory_operand): Likewise.
4660 (eq_or_neq): Likewise.
4661 (normal_comp_operator): Likewise.
4662 (noov_compare_op): Likewise.
4663 (v9_regcmp_op): Likewise.
4664 (v8plus_regcmp_op): Likewise.
4665 (extend_op): Likewise.
4666 (cc_arithop): Likewise.
4667 (cc_arithopn): Likewise.
4668 (small_int): Likewise.
4669 (uns_small_int): Likewise.
4670 (clobbered_register): Likewise.
4671 (legitimize_pic_address): Likewise.
4672 (delay_operand): Likewise.
4673 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
4675 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
4676 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
4678 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
4680 * cppalloc.c: Include gansidecl.h.
4682 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
4683 (cpp_file_line_for_message): Mark parameter `pfile' with
4685 (v_cpp_message): New function.
4686 (cpp_message): Use it. Also convert to variable arguments.
4687 (cpp_fatal): Likewise.
4688 (cpp_pfatal_with_name): Constify parameter `name'.
4690 * cppexp.c: Move gansidecl.h before cpplib.h.
4691 * cpphash.c: Likewise.
4692 * cpphash.h (hashf, delete_macro): Add prototypes.
4694 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
4695 cpplib.h. Don't include errno.h.
4696 (update_path): Add arguments to prototype.
4697 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
4698 cpp_print_containing_files): Remove redundant prototypes.
4699 (cpp_hash_cleanup, add_import, append_include_chain,
4700 make_assertion, path_include, initialize_builtins,
4701 initialize_char_syntax, finclude, validate_else, comp_def_part,
4702 lookup_import, redundant_include_p, is_system_include,
4703 read_name_map, read_filename_string, open_include_file,
4704 check_macro_name, compare_defs, compare_token_lists,
4705 eval_if_expression, change_newlines): Add prototype arguments.
4706 (hashf): Remove redundant prototype.
4707 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
4708 conditional_skip, skip_if_group): Add prototype arguments.
4709 (fdopen): Remove redundant prototype.
4710 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
4711 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
4712 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
4713 (struct directive): Add prototype arguments to function pointer
4715 (handle_directive): Add missing arguments to call to `do_line'.
4716 (do_include): Mark parameters `unused1' and `unused2' with
4718 (do_line): Likewise for `keyword' and new parameters `unused1' and
4720 (do_error): Likewise for `keyword'.
4721 (do_warning): Likewise. Also add missing argument `pfile' in call
4723 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
4725 (do_ident): Likewise for `keyword', `buf' and `limit'.
4726 (do_pragma): Likewise. Also add missing arguments in call to do_once.
4727 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
4729 (do_if): Likewise for `keyword'.
4730 (do_elif): Likewise.
4731 (eval_if_expression): Likewise for `buf' and `length'.
4732 (do_xifdef): Likewise for `unused1' and `unused2'.
4733 (do_else): Likewise for `keyword', `buf' and `limit'.
4734 (do_endif): Likewise.
4735 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
4736 (cpp_handle_options): Remove superfluous NULL argument in call to
4738 (cpp_handle_options): Likewise.
4739 (do_assert): Mark parameter `keyword', `buf' and `limit' with
4741 (do_unassert): Likewise.
4742 (cpp_print_file_and_line): Add missing argument `pfile' in call to
4743 cpp_file_line_for_message.
4744 (v_cpp_error): New function.
4745 (cpp_error): Use it. Also accept variable arguments.
4746 (v_cpp_warning): New function.
4747 (cpp_warning): Use it. Also accept variable arguments.
4748 (cpp_pedwarn): Accept variable arguments.
4749 (v_cpp_error_with_line): New function
4750 (cpp_error_with_line): Use it. Accept variable arguments.
4751 (v_cpp_warning_with_line): New function.
4752 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
4754 (cpp_pedwarn_with_line): Accept variable arguments.
4755 (cpp_pedwarn_with_file_and_line): Likewise.
4756 (cpp_error_from_errno): Constify parameter `name'. Add missing
4757 argument `pfile' in call to cpp_file_line_for_message.
4758 (cpp_perror_with_name): Constify parameter `name'.
4760 * cpplib.h: Define PARAMS() in terms of PROTO().
4761 (fatal): Remove redundant prototype.
4762 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
4763 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
4764 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
4765 cpp_fatal, cpp_message, cpp_pfatal_with_name,
4766 cpp_file_line_for_message, cpp_print_containing_files): Add
4767 arguments to prototypes.
4768 (scan_decls, cpp_finish): Add prototypes.
4770 * cppmain.c: Include gansidecl.h.
4771 (main): Remove unused variable `i'.
4773 * dbxout.c: Include toplev.h.
4775 * demangle.h (do_tlink, collect_execute, collect_exit,
4776 collect_wait, dump_file, file_exists): Add prototype.
4778 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
4779 prototype and definition.
4780 (gen_unspecified_parameters_die): Don't assign results of call to
4781 function new_die() to unused variable `parm_die'.
4782 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
4783 (dwarf2out_define): Likewise for `lineno' and `buffer'.
4785 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
4786 prototype and definition.
4787 (output_die): Add prototype arguments to function pointer arg.
4788 (output_unspecified_parameters_die): Mark parameter `arg' with
4791 * except.c (output_exception_table_entry): Remove unused variable
4794 * except.h (expand_fixup_region_start, expand_fixup_region_end):
4797 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
4799 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
4801 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
4802 before cpplib.h, include cpphash.h, remove redundant prototype of
4803 cpp_fatal, don't define `const', add a prototype for `fatal'.
4804 (cpp_file_line_for_message): Add missing arguments `pfile'.
4805 (v_cpp_message): New function.
4806 (cpp_message): Use it.
4807 (v_fatal): New function.
4808 (fatal, cpp_fatal): Use it.
4809 (cpp_pfatal_with_name): Constify parameter `name'.
4811 * flow.c (free_regset_vector): Remove redundant prototype.
4813 * function.c (round_down): Wrap prototype and definition with
4814 macro ARGS_GROW_DOWNWARD.
4815 (record_insns): Wrap prototype and definition with
4816 defined (HAVE_prologue) || defined (HAVE_epilogue).
4818 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
4820 * gen-protos.c: Include gansidecl.h.
4821 (hashf): Don't make it static, constify parameter `name'.
4823 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
4824 specifier %s in calls to function `fatal'.
4826 * haifa-sched.c: Include toplev.h.
4827 (find_rgns): Remove unused variable `j'.
4829 * integrate.c (note_modified_parmregs): Mark parameter `x' with
4831 (mark_stores): Likewise.
4833 * jump.c (mark_modified_reg): Likewise.
4835 * output.h (insn_current_reference_address): Add prototype.
4836 (eh_frame_section): Likewise.
4838 * print-rtl.c: Include bitmap.h.
4840 * reload1.c (reload): Wrap variables `note' and `next' in macro
4841 PRESERVE_DEATH_INFO_REGNO_P.
4842 (forget_old_reloads_1): Mark parameter `ignored' with
4844 (choose_reload_regs): Remove unused variable `in'.
4845 (reload_cse_invalidate_mem): Mark parameter `ignore' with
4847 (reload_cse_check_clobber): Likewise.
4849 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
4850 (mark_elimination): Fix typo in prototype.
4852 * scan-decls.c: Include gansidecl.h.
4854 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
4856 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
4858 * function.c (identify_blocks): Fix thinko when setting the
4859 block number for NOTE_INSN_BLOCK_END.
4861 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
4863 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
4866 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
4867 underscores for the prefixes to the names of the maths functions.
4869 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
4870 comment explaining why.
4872 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
4874 * tree.h (TYPE_SIZE_UNIT): New.
4875 (struct tree_type): Add size_unit member.
4876 * stor-layout.c (layout_type): Initialize it.
4877 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
4878 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
4880 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
4882 * stor-layout.c (layout_record): Fix off-by-one error when checking
4883 length of the TYPE_BINFO vector.
4885 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
4887 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
4888 function parameter passed in memory.
4890 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
4892 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
4893 Prototypes for externally used functions in respective C files.
4894 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
4895 final.c: Include above files.
4896 * Makefile.in (toplev.o): Add dependency for above four headers.
4897 (final.o): Likewise.
4898 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
4899 respective header files.
4901 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
4903 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
4904 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
4905 the build tree if they exist.
4906 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
4908 (objdir): Let configure substitute value.
4909 (FLOAT_H): Let configure select a pre-built version from the
4911 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
4912 * configure.in: Substitute for objdir.
4914 * Makefile.in (build_canonical, host_canonical): Let configure
4915 substitute values for these variables.
4916 * configure.in: Substitute for build_canonical, host_canonical
4917 and target_subdir in generated Makefile.
4919 * output.h (find_basic_blocks): Declare.
4920 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
4922 * Makefile.in (BISON): Use bison from the build tree if it exists.
4925 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
4927 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
4928 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
4929 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
4930 command line arguments to see if an executable is not being
4931 created, and if so - do not append the suffix.
4933 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
4936 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
4938 * i386.h (ALIGN_DFmode): Delete.
4939 (CONSTANT_ALIGNMENT): Define.
4940 * varasm.c (force_const_mem): Use it.
4942 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
4944 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
4945 using it with swap_condition, not before.
4947 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
4949 * alias.c (mode_alias_check): Delete.
4950 (true_dependence, anti_dependence, output_dependence): Revert April 21
4953 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
4955 * toplev.c (output_lang_identify): Enable prototype and definition.
4957 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
4959 * version.c: Bump for snapshot.
4961 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
4963 * alpha/osf.h (HAVE_STAMP_H): Define.
4965 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
4966 * configure.in (alpha*-*-netbsd*): New.
4967 Based on patches from Paul H. Anderson <pha@pdq.com>.
4969 * configure.in (alpha*-*-linux-*): Kill xm_defines.
4970 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
4971 * alpha/xm-linux.h: Remove file.
4973 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
4975 * dbxout.c (dbxout_parms): If mode of type of parameter living
4976 in memory doesn't match mode of DECL_RTL, make big endian correction.
4978 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
4980 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
4982 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
4984 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
4985 * stor-layout.c (layout_record): Set it.
4987 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
4989 * toplev.c (rest_of_compilation): Don't defer nested functions.
4991 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
4993 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
4994 to an 8-byte boundary if info_ptr->fpmem_p.
4996 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
4998 * loop.c (basic_induction_var): Added test preventing
4999 CCmode parameter passed to convert_modes().
5001 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5003 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
5004 input_filename and lineno around expand_expr call. Set them to values
5005 in WFL before expand_expr call.
5007 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
5009 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
5011 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
5013 * fold-const.c (constant_boolean_node): New function.
5016 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5018 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
5019 Abort if trying to split kind 3 or 4 outside of combine.
5021 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
5023 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
5025 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
5027 * objc/Make-lang.in (OBJC_O): Add missing exeext.
5028 (libobjc.a, runtime-info.h): Likewise.
5030 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
5032 * i386.h (DATA_ALIGNMENT): Define.
5034 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5036 * reload1.c (delete_output_reload): Ignore single USE that
5037 was emitted for the pseudo use of this INSN.
5038 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
5039 remains, we can always delete OUTPUT_RELOAD_INSN.
5041 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
5043 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
5045 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
5047 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
5049 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5051 * eh-common.h: New file for basic EH data structures.
5052 * except.h: Various prototypes and structures for NEW_EH_MODEL
5053 * function.h (struct function): Add a struct eh_stack for the catch
5055 * except.c (gen_exception_label): New function to generate an
5057 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
5058 (push_entry): New function to push an existing entry onto a stack.
5059 (receive_exception_label): New function to emit the code required
5060 at the start of all catch blocks.
5061 (struct func_eh_entry): New structure for maintaining handlers
5062 associated with EH regions.
5063 (new_eh_region_entry): New function to register an EH region.
5064 (add_new_handler): New function to register a handler with a region.
5065 (get_new_handler): Creates anew handler entry for registering.
5066 (find_func_region): New function to convert a NOTE eh region number
5067 to an Eh region index.
5068 (get_first_handler): New function to get the first handler in a region.
5069 (clear_function_eh_region): New function to release memory.
5070 (duplicate_handlers): New function to duplicate a list of handlers.
5071 (expand_eh_region_end): Create a new region entry node as well.
5072 (expand_leftover_cleanups): Call receive_exception_label() and
5073 register the cleanup as a handler to the current region.
5074 (expand_start_catch): New function to start a catch clause.
5075 (expand_end_catch): New function to end a catch clause.
5076 (expand_start_all_catch): restructure to not do the equivilent of
5077 what expand_start_catch() does now. Push the exception region being
5078 handled onto the catch stack.
5079 (output_exception_table_entry): Issue an entry for each handler
5080 associated with a region.
5081 (set_exception_lang_code): New function for setting the language code.
5082 (set_exception_version_code): New function to set the version number.
5083 (output_exception_table): Output version and language codes.
5084 (find_exception_handler_labels): Find handler labels using new scheme.
5085 (is_exception_handler_label): New function, returns 1 if label is
5086 present as a handler in some exception region.
5087 (check_exception_handler_labels): Use the new scheme.
5088 (init_eh_for_function): Initialize the catch stack.
5089 (save_eh_status): Save the catch stack.
5090 (restore_eh_status): Restore the catch stack.
5091 (scan_region): Don't remove unreferenced handler label. Flow does it.
5092 (get_reg_for_handler): New function to get the eh_context pointer
5094 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
5095 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
5096 entry when processing END region rather that START region.
5097 * flow.c (find_basic_blocks_1): Find all potential handler regions
5098 now that we don't automatically know what the labels might be.
5099 Let scan_region() remove unreferenced EH BEGIN/END labels.
5100 * integrate.c (get_label_from_map): Put inlined labels onto the
5101 permanent obstack since we dont know which ones might be exception
5103 (save_for_inline_copying): Make new copies of all the handlers.
5104 (expand_inline_function): Make new copies of all the handlers.
5105 * libgcc2.c: Remove local struct decls, and include eh-common.h.
5106 (find_exception_handler): With NEW_EH_MODEL the first matching
5107 region we find is the right one. Add eh_info as a new parameter.
5108 (__throw): Pass eh_info to find_exception_handler. Set handler
5109 and pass use different regs under NEW_EH_MODEL.
5111 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
5113 * i960.h (hard_regno_mode_ok): Changed to function from array of
5115 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
5116 * i960.c (hard_regno_mode_ok): Changed to function from array of
5119 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5121 * reload.c (remove_replacements): New function.
5122 * reload.h (remove_replacements): Declare.
5123 * reload1.c (choose_reload_regs): Disable some reloads that
5124 belong to inherited reloads.
5126 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5128 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
5130 * reload1.c (merge_assigned_reloads): When merging, reset
5131 reload_spill_index for the eliminated reload.
5133 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
5135 * haifa-sched.c (schedule_insns): Fix merge goof.
5137 1998-05-13 Jim Wilson <wilson@cygnus.com>
5139 * varasm.c (make_decl_rtl): Revert April 1 change.
5140 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
5141 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
5142 Get function name from the SYMBOL_REF in the DECL_RTL, not from
5143 DECL_ASSEMBLER_NAME.
5144 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
5145 DECL_ASSEMBLER_NAME.
5147 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
5149 * i386.c (notice_update_cc, output_float_compare): Disable
5150 TARGET_CMOVE support.
5152 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
5153 Jeff Law <law@cygnus.com>
5155 * rtlanal.c (find_reg_note): Ignore notes that are not on on
5157 (find_regno_note): Likewise.
5159 * Makefile.in (stor-layout.o): Depend on except.h
5160 (varasm.o, function.o): Likewise.
5161 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
5163 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
5164 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
5165 ($(HOST_PREFIX_1)rtl.o): Likewise.
5166 ($(HOST_PREFIX_1)bitmap.o): New host object.
5167 * emit-rtl.c (toplevel): Include bitmap.h.
5168 (gen_rtx): Handle 't' and 'b' nodes.
5169 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
5170 Print block number for block begin/end notes. Print 't' type
5171 nodes as a pointer. Know that the 3rd argument of live range
5172 start/stop notes is really a range_info rtx. If type is 'b', print
5173 out argument as a bitmap.
5174 * rtl.c: Include bitmap.c.
5175 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
5176 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
5177 * rtl.def (RANGE_LIVE): New node to hold live information while we
5178 recalculate the basic blocks.
5179 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
5180 (RANGE_VAR): New node, to hold information saved in symbol node for New
5181 communicating live range information to the debug output functions.
5182 * rtl.h (rtunion_def): Add rttree and rtbit fields.
5183 (XBITMAP, XTREE): New accessor macros.
5184 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
5185 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
5186 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
5187 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
5188 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
5189 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
5190 (RANGE_INFO_*): Likewise.
5191 * sched.c (sched_analyze): Keep live range start/stop notes.
5192 (unlink_other_notes): Likewise.
5193 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
5194 (unlink_other_notes): Likewise.
5195 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
5196 (BLOCK_LIVE_RANGE_FLAG): Likewise.
5197 (DECL_LIVE_RANGE_RTL): Likewise.
5198 (struct tree_block): Add live_range_flag, live_range_var_flag,
5199 live_range_start and live_range_end.
5200 (struct tree_decl): Add live_range_rtl field.
5201 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
5202 (accessor_from_format): Likewise.
5204 * haifa-sched.c (schedule_block): Make verbose output line up.
5205 Also add a blank line in printing the individual ready lists.
5207 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5209 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
5210 (c-lex.o): Depend on output.h.
5211 (c-common.o): Likewise.
5213 (calls.o): Likewise.
5214 (integrate.o): Depend on toplev.h.
5215 (regclass.o): Depend on output.h.
5216 (final.o): Depend on reload.h.
5218 * c-common.c: Include output.h.
5219 (check_format_info): Remove unused variable `integral_format'.
5221 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
5222 `indent' with ATTRIBUTE_UNUSED.
5223 (print_lang_type): Likewise.
5224 (maybe_build_cleanup): Likewise for parameter `decl'.
5225 (copy_lang_decl): Likewise for parameter `node'.
5227 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
5228 (lang_print_xnode): Mark parameters `file', `node' and `indent'
5229 with ATTRIBUTE_UNUSED.
5230 (lookup_interface): Likewise for parameter `arg'.
5231 (is_class_name): Likewise.
5232 (maybe_objc_check_decl): Likewise for parameter `decl'.
5233 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
5235 (maybe_objc_method_name): Likewise for parameter `decl'.
5236 (build_objc_string): Likewise for parameters `len' and `str'.
5238 * c-lex.c: Include output.h.
5240 * c-lex.h (position_after_white_space): Correct typo in prototype.
5242 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
5243 c_expand_end_cond, init_iterators): Add prototypes.
5245 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
5246 with ATTRIBUTE_UNUSED.
5248 * calls.c: Include output.h.
5250 * cccp.c (pipe_closed): Mark parameter `signo' with
5253 * combine.c: Move inclusion of expr.h to after insn-config.h.
5255 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
5256 as empty, rather define as ((void)0).
5258 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
5259 Add parentheses around assignment used as truth value.
5261 * cplus-dem.c (squangle_mop_up): Change return type to void.
5262 (internal_cplus_demangle): Remove unused parameter `options'.
5263 All callers changed.
5264 (cplus_demangle_opname): Remove function wide variable `int i' and
5265 replace with `size_t i' at each location where it is used.
5266 (cplus_demangle_opname): change type of `i' from int to size_t.
5268 * cppexp.c (right_shift): Mark parameter `pfile' with
5271 * cpphash.c (cpp_lookup): Likewise.
5272 (cpp_hash_cleanup): Likewise.
5274 * cpplib.c (parse_name): Add a prototype and make it static.
5275 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5276 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
5277 (macro_cleanup): Likewise for parameter `pfile'.
5278 (file_cleanup): Likewise.
5280 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
5281 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
5283 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
5284 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
5286 * cse.c (cse_check_loop_start): Mark parameter `set' with
5289 * dbxout.c (flag_minimal_debug, have_used_extensions,
5290 source_label_number): Move inside macro wrapper check against
5291 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
5293 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
5295 * except.h (doing_eh): Provide prototype.
5297 * expr.c: Move inclusion of expr.h to after insn-config.h.
5299 * final.c: Include reload.h.
5300 (shorten_branches): Cast the first argument of bzero to char *.
5302 * fix-header.c (cpp_print_containing_files): Mark parameter
5303 `pfile' with ATTRIBUTE_UNUSED.
5304 (cpp_fatal): Likewise.
5306 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
5309 * genattrtab.c (make_length_attrs): Change the type of variable
5310 `i' from int to size_t.
5311 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
5314 * genextract.c (main): When generating insn-extract.c, mark
5315 variable `junk' with ATTRIBUTE_UNUSED.
5317 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
5318 argument of bzero to char*.
5320 * integrate.c: Include toplev.h.
5322 * libgcc2.c: Wrap `struct exception_table' and
5323 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
5325 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
5327 * objc/objc-act.c: Include toplev.h.
5328 (lang_print_xnode): Mark parameters `file', `node' and `indent'
5329 with ATTRIBUTE_UNUSED.
5330 (finish_protocol): Likewise for parameter `protocol'.
5332 * output.h (declare_weak): Add prototype.
5333 (decode_reg_name): Don't wrap with TREE_CODE macro.
5334 (assemble_alias): Add prototype.
5336 * regclass.c: Include output.h.
5338 * reload.h (reloads_conflict): Add prototype.
5340 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
5341 output_func_start_profiler): Add prototypes.
5343 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
5346 * scan-decls.c: Include scan.h.
5348 * scan.h (recognized_function, recognized_extern): Add prototypes.
5350 * stmt.c: Include output.h.
5352 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
5353 (output_lang_identify): Hide prototype and definition.
5354 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
5355 (pipe_closed): Likewise.
5357 * toplev.h (count_error, strip_off_ending, error_for_asm,
5358 warning_for_asm): Add prototypes.
5360 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
5362 * toplev.c (rest_of_compilation): "Charge" final for any time
5363 doing various cleanup operations after finishing compilation
5366 * flow.c (dump_flow_info): Also print number of sets and
5367 whether or not the pseudo is a user variable.
5369 * flow.c (reg_n_max): New global variable.
5370 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
5371 Delete regno_max variable.
5372 * regs.h (REG_N_CHECK): Define.
5373 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
5374 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
5375 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
5377 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
5379 * acconfig.h (ENABLE_CHECKING): Undefine.
5380 * configure.in (--enable-checking): New option.
5382 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5384 * reload1.c (merge_assigned_reloads): Can merge
5385 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
5386 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
5388 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
5390 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
5392 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5394 * reload1.c (gen_reload): Create REG_EQUIV notes.
5396 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5398 * reload1.c (reload): Fix check for USEs to use code of pattern.
5399 (choose_reload_regs): Remove dead variable use_insn.
5401 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
5403 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
5405 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
5407 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
5409 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
5410 (insn_{unit,issue_delay}): Ditto.
5411 (blockage_range): Ditto.
5412 (actual_hazard{,_this_instance}): Ditto.
5413 (schedule_unit): Ditto.
5414 (potential_hazard): Ditto.
5417 (queue_insn): Ditto.
5418 (birthing_insn_p): Ditto.
5419 (adjust_priority): Ditto.
5420 (get_block_head_tail): Ditto.
5421 (init_rgn_data_dependences): Ditto.
5423 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
5425 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
5427 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
5429 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
5431 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
5433 * config/mips/mips.md (dslot): Move after definition of "cpu"
5434 attribute. Handle r3900 case.
5436 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5438 * system.h: Define the STRINGIFY macro here.
5439 * protoize.c: Not here.
5440 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
5442 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
5444 * varasm.c (assemble_variable): Compute the alignment of the data
5445 earlier so that both initialized and uninitialized variables are
5446 effected by DATA_ALIGNMENT.
5447 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
5449 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
5451 * mips.c: Prototype static functions.
5453 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
5455 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
5456 Add explanatory comments.
5458 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
5460 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
5462 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
5464 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
5466 * varasm.c (make_decl_rtl): Disable April 1 change.
5468 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
5470 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
5472 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
5474 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
5475 * alpha.c (print_operand): Handle it.
5476 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
5477 related define_splits. Also add peepholes for SImode reload
5478 plus sign_extend lossage.
5480 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5482 * genattr.c: Include stdarg.h/varargs.h. Change function
5483 `fatal' to use variable arguments instead of faking it with
5484 integer parameters. Provide a prototype which also
5485 checks the format specifiers using ATTRIBUTE_PRINTF_1.
5487 * genattrtab.c: Likewise.
5488 * gencodes.c: Likewise.
5489 * genconfig.c: Likewise.
5490 * genemit.c: Likewise.
5491 * genextract.c: Likewise.
5492 * genflags.c: Likewise.
5493 * genopinit.c: Likewise.
5494 * genpeep.c: Likewise.
5495 * genrecog.c: Likewise.
5496 * genoutput.c: Likewise. Similarly for function `error'.
5498 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5500 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
5501 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
5502 * configure.in: Use GCC_C_VOLATILE.
5503 * system.h (volatile): Define as empty if no volatile support is
5506 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
5508 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
5511 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
5513 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
5514 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
5515 the body of beq; additionally set the mode of the branch to CCmode for
5516 FP compares and not fast_math.
5517 (alpha_emit_conditional_move): Always use a compare insn for FP
5518 when not fast_math, as well as setting CCmode on the cmov.
5519 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
5521 * machmode.h (COMPLEX_MODE_P): New macro.
5523 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
5525 * haifa-sched.c (print_exp): Fix typo.
5527 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
5529 * version.c: Bump for snapshot.
5531 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
5533 * final.c (final_scan_insn): Call fatal_insn instead of abort if
5534 we could not split an insn when required to.
5536 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
5538 (peepholes): Disable peepholes that call dead_or_set_p.
5539 (movsi): Rewrite to handle addresses better after last change.
5540 Add define_split to split load of addresses in large/medium modes.
5541 (prologue): Call m32r_expand_prologue.
5542 (movsi_{push,pop}): Generators for push/pop.
5543 (movsi): Support PRE_{INC,DEC}, POST_INC.
5544 (mov{di,df}): Rewrite. Always split the insns.
5545 (movsf): Add define_split to get register load in correct mode.
5546 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
5547 (attributes): Rewrite attributes so that type indicates both the
5548 type and the length of the insn directly.
5549 (all insns): Change to use new type attributes.
5550 (debug): New attribute to convey whether -mdebug was used.
5551 (opt_space): New attribute to convey whether -Os was used.
5552 (function units): Loads are 3 cycles, not 2. Better classify all
5553 insns into short/long.
5554 (load/store/extend insns): Add separate case for load/store
5555 indirect operations without an offset.
5556 (divsi3): Division is a long operation, not short.
5558 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
5560 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
5561 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
5562 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
5563 operands with PRE_{INC,DEC}, POST_INC.
5564 (FUNCTION_PROFILER): Call abort instead of doing nothing.
5565 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
5567 (gen_split_move_double): Declare.
5568 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
5570 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
5571 emit_move_insn, build up SET's directly.
5572 (toplevel): Include system.h, not stdio.h.
5573 (move_double_src_operand): Allow any DF or DI mode constant.
5574 (gen_split_move_double): Split moves of DI or DF values into the
5575 appropriate moves, loads, or stores. Don't handle use of auto
5576 inc/dec if using dead index. Do handle overlapping moves, etc.
5577 (m32r_frame_info): Remove prologue_size field.
5578 (m32r_compute_frame_size): Don't calculate prologue size.
5579 (m32r_output_function_prologue): Change to pretty much a NOP.
5580 (m32r_expand_prologue): Expand prologue as a series of INSNs.
5581 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
5582 (m32r_print_operand_address): Ditto.
5584 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
5586 * reload1.c (emit_reload_insns): When performing expensive
5587 optimizations, do not output the last reload insn if OLD is
5588 not the dest of NSN and is in the src and is clobbered by INSN.
5590 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * Makefile.in (genrtl.o): Depend on system.h.
5593 * gengenrtl.c (gencode): When creating genrtl.c, have it
5596 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5598 * config/m68k/t-linux: Remove extra stuff already included in
5601 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
5603 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
5604 curses.h if it contains `typedef char bool;', as suggested by
5605 Manfred Hollstein <manfred@s-direktnet.de>.
5607 * configure.in: Rename fixinc.math to fixinc.wrap.
5609 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
5611 * gcc.c (read_specs): Handle missing blank line at end of specs file.
5613 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
5614 movdfcc_1): Disable.
5616 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
5618 * configure.in (enable_threads): Rename to enable_threads_flag before
5619 main loop. Set enable_threads to enable_threads_flag inside main
5622 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
5624 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
5627 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5629 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
5631 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
5632 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
5633 (AC_CHECK_FUNCS): Remove unused check for vprintf.
5635 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
5636 (cccp.o): Depend on gansidecl.h.
5639 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
5640 per the rest of gcc source.
5641 * cexp.y: Likewise. Include gansidecl.h and remove all code made
5644 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
5645 used when vfprintf is missing.
5648 * genattrtab.c: Likewise.
5649 * mips-tfile.c: Likewise.
5650 * toplev.c: Likewise.
5652 * vfprintf.c: New file.
5653 * doprint.c: New file.
5655 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
5657 * config/linux.h (ASM_COMMENT_START): Remove from here,
5658 * config/linux-aout.h (ASM_COMMENT_START): and here,
5659 * config/i386/linux.h (ASM_COMMENT_START): to here,
5660 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
5661 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
5664 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5666 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
5669 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
5671 * Makefile.in (dwarfout.o) Add toplev.h dependency.
5672 * dwarfout.c, i386.c: Include toplev.h
5673 * toplev.h: (pfatal_with_name) Add prototype.
5675 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
5677 * Makefile.in: Fix .SUFFIXES.
5679 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
5681 * config/linux.h (ASM_COMMENT_START): Define as "#".
5682 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
5684 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
5686 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
5687 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5689 * toplev.c: Include toplev.h.
5690 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
5691 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
5692 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
5693 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
5694 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
5695 toplev.h dependency.
5697 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
5698 HARD_FRAME_POINTER_REGNUM.
5700 * expr.c (target_temp_slot_level): Delete duplicate definition.
5702 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
5704 * stmt.c (mark_seen_cases): Make it have external linkage again.
5705 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
5708 * haifa-sched.c (print_value, case SUBREG): Fix typo.
5710 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
5711 * i386.h (REG_CLASS_CONTENTS): Similarly.
5713 * toplev.c (-fsched-max): Delete flag.
5714 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
5715 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
5716 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
5719 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
5720 inner loops which are not reducible.
5722 * loop.c (regs_match_p): Fix typo in prototype.
5724 * regmove.c (try_auto_increment): Wrap declaration inside an
5725 #ifdef AUTO_INC_DEC.
5727 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
5729 * final.c (output_operand_lossage): Call fatal with the operand
5730 lossage message instead of calling abort.
5732 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5734 * c-common.c: Convert to using ctype macros defined in system.h.
5735 * c-lex.c: Likewise.
5737 * collect2.c: Likewise.
5738 * rs6000.c: Likewise.
5739 * cpplib.c: Likewise.
5740 * fix-header.c: Likewise.
5742 * gen-protos.c: Likewise.
5743 * pexecute.c: Likewise.
5744 * protoize.c: Likewise.
5748 * tlink.c: Likewise.
5749 * toplev.c: Likewise.
5751 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
5753 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
5754 Replace -gdwarf-2 with -g0.
5756 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5758 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
5759 * mips-tdump.c: Include system.h, remove redundant headers.
5760 * mips-tfile.c: Likewise. Also, convert all ctype function calls
5761 to calls of the macro versions defined in system.h.
5763 * objc/Make-lang.in (objc-act.o): Depend on system.h.
5764 * objc/objc-act.c: Include system.h, remove redundant headers.
5766 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5768 * configure.in (AC_CHECK_FUNCS): Add isascii.
5769 (GCC_NEED_DECLARATIONS): Add atof.
5771 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
5772 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
5774 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5776 * system.h: Wrap time.h and sys/file.h in autoconf checks.
5777 Provide default definitions for O_RDONLY and O_WRONLY here.
5779 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
5781 1998-05-06 Mark Mitchell <mmitchell@usa.net>
5783 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
5785 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
5787 * toplev.h: New file. Protypes for functions in toplev.c.
5788 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
5789 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
5790 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
5791 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
5792 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
5793 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
5794 varasm.c: include it.
5796 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
5797 Jim Wilson (wilson@cygnus.com)
5799 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
5800 blocks. Check for 1 successor which is the EXIT_BLOCK.
5802 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
5803 unreachable loops with more than one block.
5805 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
5807 * fix-header.c (write_rbrac): Add "abort" to functions which need to
5810 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
5812 * Check in merge from gcc2. See ChangeLog.12 for details.
5814 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
5816 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
5817 accept 'a' flag. 'S' does accept 'a' flag.
5818 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
5821 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
5823 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5825 * config/m68k/m68k.h: Declare functions from m68k.c used in
5826 macros and machine description.
5827 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
5829 (ASM_OUTPUT_FLOAT): Likewise.
5830 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
5832 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5834 * tree.def: Add NAMESPACE_DECL.
5835 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
5836 * dwarf2out.c (push_decl_scope): Likewise.
5837 (scope_die_for): Likewise.
5838 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
5839 how to get next context level.
5841 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
5843 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
5846 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
5848 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
5850 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
5851 for any insns skipped at the start of a block because they were
5854 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
5856 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
5858 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
5860 * c-common.c (format_char_info): Add new field hhlen.
5861 (print_char_table, scan_char_table, time_char_table): Initialize
5862 hhlen field appropriately.
5863 (char_format_info): Recognize hh modifier and lookup correct char
5866 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
5868 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
5869 reference if this is a store.
5871 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
5873 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
5875 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
5877 Make UnixWare 7 bootstrap support work with final shipping product.
5878 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
5879 Pick up xm-siglist and xm-alloca.
5880 (xm_defines): Add USG so dbxout will build.
5881 * configure: Regenerate.
5883 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
5885 Support for official Sparc V9 ABI:
5886 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
5887 Care for flag_pcc_struct_return default.
5888 (output_move_quad): Rewrite to move by halves on v9 and in the
5890 (move_quad_direction): New function.
5891 (output_fp_move_quad): Use it to determine the direction of copy.
5892 (function_arg_slotno): Return -1 for FP reg overflow as well.
5893 (function_arg_record_value*): New functions.
5894 (function_arg): Use them. Streamline unprototyped parameter passing.
5895 (function_arg_pass_by_reference): Pass TCmode by reference.
5896 (function_value): New function.
5897 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
5898 long long in 64-bit mode.
5899 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
5900 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
5901 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
5902 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
5903 (BASE_INCOMING_ARG_REG): Likewise.
5904 (FUNCTION_VALUE): Call function_value.
5905 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
5906 * sparc.md (movdi_sp32_v9): Disable for arch64.
5907 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
5908 (call_value_address_sp64): Remove register class constraints.
5909 (call_value_symbolic_sp64): Likewise.
5910 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
5911 v9 case to 32-bit constants.
5912 (goto_handler_and_restore_v9): Provide a version for arch64.
5913 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
5914 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
5915 (CPP_PREDEFINES): New.
5916 * sparc/sp64-elf.h: Likewise.
5917 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
5918 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
5919 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
5921 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
5923 * version.c: Bump for snapshot.
5925 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5927 * reload.c (find_reloads): Emit USEs to mark where a pseudo
5928 is reloaded with the MEM of its stack slot.
5929 * reload1.c (cannot_omit_stores): Delete.
5930 (reload): Don't initialize it.
5931 Don't apply avoid_return_reg logic to USEs.
5932 When done, remove USEs that have a REG_EQUAL note on them.
5933 (emit_reload_insns): Handle case where we have inherited a MEM.
5934 (choose_reload_regs): Likewise.
5935 (delete_output_reload): Don't use cannot_omit_stores.
5937 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
5939 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
5941 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
5943 * haifa-sched.c (print_{exp,value}): Various changes to make the
5944 debug output easier to read. Also, use only one buffer, and make
5945 sure the buffer we are passed in doesn't overflow.
5946 (safe_concat): Concatenate to a buffer without overflow.
5948 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5950 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
5953 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5955 * sched.c (new_insn_dead_notes): Check if the register was
5956 used in the original instruction.
5957 * haifa-sched.c (new_insn_dead_notes): Likewise.
5959 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
5961 * dwarf2out.c (scope_die_for): If could not find proper scope,
5962 check for and handle tagged type with incorrect TYPE_CONTEXT.
5964 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
5966 * calls.c (expand_call): Fix recognition of C++ operator new.
5968 * alias.c (mode_alias_check): Disable type based alias detection.
5970 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
5972 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
5973 ASM_OUTPUT_WEAK_ALIAS): Define.
5974 * config/mips/elf64.h: Same.
5975 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
5976 ASM_WEAKEN_LABEL): Removed.
5978 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5980 * calls.c (expand_call): Bump the length limit on the specially
5981 recognized function names to 17.
5983 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
5985 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
5986 when undefining macros at the end.
5988 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
5989 val or len has TREE_SIDE_EFFECTS set.
5991 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
5992 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
5993 (smuldi3_highpart): Call const v8plus routine.
5994 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
5995 (const_smulsi3_highpart_v8plus): New pattern.
5996 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
5997 (umulsidi3): Call const v8plus routine.
5998 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
6000 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
6001 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
6003 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
6005 * m32r.c (*_oper{and|ator}): Change enum arguments and return
6006 values to int, so they can be prototyped even in files that don't
6008 ({small,large}_insn_p): Ditto.
6009 (m32r_select_cc_mode): Ditto.
6010 (gen_compare): Ditto.
6011 (function_arg_partial_nregs): Ditto.
6012 (m32r_setup_incoming_varargs): Ditto.
6013 (init_reg_tables): Add prototype.
6014 (m32r_frame_info): Add prolog_size field.
6015 (m32r_compute_frame_size): Calculate the size of the prologue.
6016 (m32r_first_insn_address): Return prologue size.
6017 (m32r_output_function_prologue): Calculate frame size before
6018 printing out information. Print out the prologue size.
6020 * m32r.h: Prototype all functions in m32r.c.
6021 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
6023 * m32r.md (bcc functions): Cast enum's to int.
6025 * m32r.c (conditional_move_operand): Silence a debug message.
6026 ({small,long}_insn): New predicates.
6028 * m32r.h (TARGET_M32R): New macro.
6029 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
6030 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
6032 (ISSUE_RATE): Define as 2.
6034 * m32r.md (insn_size): New attribute.
6035 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
6037 (m32r): New attribute.
6039 * configure.in (enable_haifa): Switch m32r to Haifa by default.
6040 * configure: Regenerate.
6042 (Changes from Nick Clifton <nickc@cygnus.com>)
6043 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
6044 the equivalent of a negated 'I' constraint.
6045 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
6046 optimisation to work.
6048 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
6049 than 'I' since the value is negated.
6050 (peephole): Add peephole optimisation to cope with optimization of
6051 divide and subtracts of the same operands.
6053 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
6057 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
6060 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
6062 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
6064 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
6066 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
6067 frame_pointer_rtx not FRAME_POINTER_REGNUM.
6069 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
6071 * reg-stack.c: Revert last patch (Apr 20).
6072 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
6074 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
6076 * loop.c (check_dbra_loop): New locals jump, first_compare, and
6077 compare_and_branch. Call get_condition to set first_compare.
6078 Set compare_and_branch to number of compare/branch instructions.
6079 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
6080 Replace '2' with compare_and_branch.
6082 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6084 * cplus-dem.c (demangle_qualified): Replace missing else.
6086 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6088 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
6090 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6092 * sh.c (sh_expand_prologue, sh_expand_epilogue):
6093 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
6094 * sh.h (STACK_BOUNDARY): Likewise.
6096 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6098 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6100 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
6102 * system.h (abort): If abort is not defined, and neither is
6103 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
6104 reporting the line and filename of the error.
6106 * .gdbinit: Add breakpoints on exit and fancy_abort.
6108 * final.c (split_double): Avoid a compiler warning if
6109 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
6111 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
6112 for calling jump_optimize.
6114 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
6115 macros, rather than 0/1's.
6117 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
6119 * alpha.h (CONST_COSTS): Zero is always free.
6120 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
6122 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6124 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
6125 length in the name of a virtual table.
6127 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
6129 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
6131 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
6133 * version.c: Bump for snapshot.
6135 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
6137 * fold-const.c (fold_convert): Fix typo.
6139 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
6141 * alias.c (alias_invariant): New variable.
6142 (record_base_value): New argument INVARIANT.
6143 (memrefs_conflict_p): If a register has an entry in the alias_invariant
6144 array, try substituting that value for the register.
6146 * rtl.h: Declare record_base_value.
6148 * loop.c, unroll.c: Update callers of record_base_value.
6150 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
6151 ZERO_EXTEND do not affect base values.
6153 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
6155 * dbxout.c (dbxout_type): Fix typo.
6156 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
6158 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
6160 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
6162 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
6163 if the argument is the address of a structure or array.
6165 * configure.in: Enable Haifa scheduler by default for SPARC.
6167 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6169 * cse.c (cse_set_around_loop): Don't do optimization when
6170 new pseudos are created.
6172 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
6174 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
6176 (dbxout_type_method_1, dbxout_type): Likewise.
6177 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
6178 (dbxout_type): Fix check for when to print a type range in
6181 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6183 * (gen_shl_and, in case 1): Fix comparison with mask.
6185 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
6187 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
6188 pointer as second register in REG+REG pair.
6190 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6192 * c-common.c (check_format_info): Don't check for the 'x' format
6193 character twice, instead check for 'x' and 'X'
6195 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
6197 * Makefile.in (libgcc2.ready): Add explicit dependancy from
6198 $(STMP_FIXPROTO) to ensure all necessary include files have
6199 been created and to guarantee proper parallel builds.
6201 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6203 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
6204 register for stdarg functions.
6205 * sh.h (current_function_varargs): Declare.
6206 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
6208 1998-04-23 Jim Wilson <wilson@cygnus.com>
6210 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
6211 inhibit_libc is defined.
6213 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
6215 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
6217 * profile.c (tablejump_entry_p): New function.
6218 (branch_prob): Add code to recognize MIPS tablejump entry branch.
6219 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
6221 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
6223 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
6224 found, rather than at end of the loop, after the insn has been
6227 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6229 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
6230 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
6232 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
6234 * loop.c (note_addr_stored): Correct function to take 2 arguments,
6237 * rtl.def (MATCH_INSN2): Add new matching pattern.
6238 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
6240 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
6242 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
6243 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
6245 * final.c (split_double): Sign extend both halves of a split CONST_INT.
6247 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
6249 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
6251 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6253 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
6254 (cplus_demangle_opname): Call mop_up_squangle.
6255 (cplus_demangle): Initialize squangle info, then call
6256 internal_cplus_demangle. (Most code moved there as well)
6257 (internal_cplus_demangle): New function, performs most of what use
6258 to be done in cplus_demangle, but is only called with this file.
6259 (squangle_mop_up): New function to clean up B and K code data.
6260 (mop_up): set pointers to NULL after freeing.
6261 (demangle_signature, demangle_template, demangle_class): Add
6262 switch elements to handle K and B codes.
6263 (demangle_prefix, gnu_special, demangle_qualified): Add
6264 code to handle K and B codes.
6265 (do_type, demangle_fund_type): Handle B and K codes.
6266 (remember_Ktype): New function to store K info.
6267 (register_Btype, remember_Btype): New functions for B codes.
6268 (forget_B_and_K_types): New function to destroy B and K info.
6270 1998-04-21 Jim Wilson <wilson@cygnus.com>
6272 * stmt.c (check_seenlabel): When search for line number note for
6273 warning, handle case where there is no such note.
6275 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
6277 * genemit.c (gen_exp): Allow machine description to set mode of
6280 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
6282 * alias.c (mode_alias_check): New function.
6283 (true_dependence, anti_dependence, output_dependence): Call
6286 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
6288 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
6289 (MIPS_STACK_ALIGN): Similarly.
6291 * c-common.c (type_for_mode): Handle TI types.
6292 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
6293 (init_decl_processing): Handle TI types.
6294 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
6296 * mips.c (block_move_loop): Test Pmode == DImode instead of
6298 (expand_block_move, save_restore_insns): Likewise.
6299 (function_prologue, mips_expand_prologue): Likewise.
6300 (mips_expand_epilogue): Likewise.
6301 * mips.h (POINTER_SIZE): Allow specific targets to override.
6302 (Pmode): Allow specific targets to override.
6303 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
6304 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
6305 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6306 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
6307 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6308 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
6309 * mips.md (indirect, tablejump & casesi support): Test for
6310 Pmode == DImode instead of TARGET_MIPS64.
6311 (call patterns): Likewise.
6313 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6315 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
6316 for gen_rtx(MEM, ...).
6318 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
6320 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
6321 to not be so gross, and to properly function with PIC.
6323 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
6325 * frame.c (heapsort): Rename to frame_heapsort.
6327 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
6329 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
6331 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
6333 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
6335 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
6336 operands during and after reload.
6338 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6340 * final.c (shorten_branches, init_insn_lengths): Move code
6341 to free label_align, uid_shuid, insn_lengths, insn_addresses
6342 and uid_align from the former function into the latter one;
6343 Add code to clear these variables.
6344 * sh.h (label_align): Remove declaration.
6346 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
6348 * gcc.c (lang_specific_driver): Declare prototype properly so
6349 fatal can be passed to it without error.
6351 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
6352 * configure: Regenerate.
6353 * config.in: Add #undef's for strchr and strrchr.
6355 * protoize.c (toplevel): If we have rindex, but not strrchr, map
6357 (file_could_be_converted): Use strrchr, not rindex since rindex is
6358 not defined on Linux systems when _POSIX_SOURCE is defined.
6359 (file_normally_convertible): Ditto.
6360 (process_aux_info_file): Ditto.
6363 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
6364 a constant to an integer register, don't split the insns that do
6365 the simple AND and OR operations, rather just split each word, and
6366 let the normal movsi define split handle it further.
6368 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6370 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
6371 (split_branches): Call init_insn_lengths.
6373 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
6375 * i386.c: Include expr.h to get the change_address prototype
6378 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
6380 * reg-stack.c (subst_asm_stack_regs): Change to return the last
6381 new insn generated by this function.
6382 (subst_stack_regs): Likewise.
6383 (convert_regs): Record the last newly generated insn and use
6384 it for change_stack () instead of INSN.
6386 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
6388 * fix-header.c (enum special_file): Undefine enumerators if they
6389 are already defined by include files.
6390 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
6391 macro with '__' to not pollute user namespace.
6393 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
6395 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
6397 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
6399 * version.c: Bump for snapshot.
6401 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
6403 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
6405 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
6406 Add missing -Dpentium* options.
6407 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
6408 instead of CPP_CPU_DEFAULT.
6409 (EXTRA_SPECS): Add entry for cpp_cpu_default.
6411 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
6413 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
6414 negative in a stackless frame.
6415 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
6416 in stackless frame size. Support 64-bit stackless frame size.
6417 Combine fpmem offset calculations and don't add total_size to
6418 offset if not pushing a stack frame.
6420 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
6422 * regmove.c (fixup_match_1): In three places, in flag_exceptions
6423 check, change p to q.
6425 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
6427 * gcc.c (lang_specific_driver): Add new parm type to prototype.
6428 (added_libraries): New file scope static variable.
6429 (process_command): Initialize added_libraries. Pass it to
6430 lang_specific_driver.
6431 (main): Use added_libraries in check for no input files.
6433 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
6435 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
6436 code generation. Use 64 bit instructions in 32 bit mode when
6437 possible. Use V9 return instruction. UltraSPARC optimizations.
6439 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
6441 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
6443 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
6444 just pass zero. That will work regardless of the size of HARD_REG_SET.
6446 * libgcc2.c (__floatdisf): Fix a couple typos.
6448 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
6450 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
6452 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
6454 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
6456 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
6458 * emit-rtl.c (operand_subword_force): If a register can not be
6459 accessed by words, copy it to a pseudo register.
6461 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
6463 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
6465 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
6467 * tree.h (mark_seen_cases): Delete declaration.
6469 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
6471 * stmt.c (mark_seen_cases): Make static and add prototype.
6473 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6475 * frame.c: Include stdlib.h and unistd.h to possibly get various
6476 function prototypes. The fixproto script guarantees these header
6477 files exist on the target system.
6478 * libgcc2.c: Likewise.
6480 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
6481 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
6482 function parameters.
6483 * libgcc2.c (__udiv_w_sdiv): Likewise.
6485 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
6487 * varasm.c (asm_output_bss): Add prototype.
6488 (asm_output_aligned_bss): Likewise.
6490 * unroll.c (verify_addresses): Add prototype.
6492 * toplev.c: Add many prototypes. Too many to mention here.
6494 * stmt.c (check_seenlabel): Add prototype.
6496 * rtlanal.c (reg_set_p_1): Add prototype.
6497 (reg_set_last_1): Likewise.
6499 * reorg.c (find_dead_or_set_registers): Add prototype.
6501 * regmove (try_auto_increment): Add prototype.
6503 * reg-stack.c (pop_stack): Add prototype.
6505 * recog.c (validate_replace_rtx_1): Add prototype.
6506 (find_cosntant_term_loc): Likewise.
6508 * loop.c (regs_patch_p): Add prototype.
6509 (add_label_notes, count_nonfixed_reads): Likewise.
6510 (find_single_use_in_loop): Likewise.
6511 (express_from): Surround prototype with #ifdef.
6512 (giv_sort): Similarly.
6514 * jump.c (mark_modified_reg): Add prototype.
6516 * haifa-sched.c (is_prisky): Add prototype.
6517 (queue_to_ready): Likewise.
6519 * genextract.c (gen_insn): Add prototype.
6521 * genemit.c (max_operand_1): Add prototype.
6522 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
6523 (gen_expand, gen_explit, output_add_clobbers): Likewise.
6524 (output_init_mov_optab): Likewise.
6526 * genattrtab.c (attr_hash_add_rtx): Add prototype.
6527 (attr_hash_add_string, write_length_unit_log): Likewise.
6529 * genattr.c (init_range): Add prototype.
6531 * combine.c (sets_function_arg_p): Add prototype.
6533 * expr.c (store_constructor_field): Add prototype.
6534 (get_memory_usage_from_modifier): Likewise
6536 * expmed.c (synth_mult): Add prototype.
6537 (choose_multiplier, invert_mod2n): Likewise.
6539 * except.c (push_eh_entry): Add prototype.
6540 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
6541 (call_get_eh_context, start_dynamic_cleanup): Likewise.
6542 (start_dynamic_handler, can_throw): Likewise.
6543 (output_exception_table_entry, scan_region): Likewise.
6544 (eh_regs, set_insn_eh_region): Likewise.
6546 * dwarfout.c (decl_class_context): Add prototype.
6547 (output_inheritance_die, type_ok_for_scope): Likewise.
6549 * c-lex.c (skip_white_space_on_line): Add prototype.
6551 * alias.c (record_set): Add prototype.
6552 (find_base_term, base_alias_check): Likewise.
6554 * function.c (assign_outer_stack_local): Make static and add prototype.
6556 * haifa-sched.c (build_control_flow): Accept raw data as inputs
6557 instead of computing it locally. Callers changed.
6558 (find_rgns): Several new arguments. Callers changed.
6559 Generally clean up and comment better. Use dominators to
6560 identify reducible loops. Convert some flag arrays to bitmaps.
6561 Convert most of the code to work on pred/succ lists instead of
6562 an edge table. Add comments for future improvements.
6563 (schedule_insns): Allocate temporary tables for flow data, call
6564 routines to compute flow data and pass it along to children as
6566 (debug_control_flow): Delete. Use dump_bb_data instead.
6568 * basic-block.h (compute_dominators): Declare.
6570 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
6572 * basic-block.h: Declare them.
6574 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
6576 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
6579 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
6581 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
6582 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
6583 node is non NULL. Cache last file name and file name identifier node.
6585 1998-04-15 Mark Mitchell <mmitchell@usa.net>
6587 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
6588 the length of an array, not TREE_TYPE.
6590 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
6592 * flow.c (sbitmap_union_of_successors): New function.
6593 * basic-block.h (sbitmap_union_of_successors): Declare it.
6595 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
6597 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
6598 Set gnu_ld to gnu_ld_flag inside main loop.
6601 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
6603 * toplev.c (compile_file): Call init_parse using new interface.
6604 (init_lex): Remove declaration.
6606 * c-lex.c (init_parse): Now returns char* containing filename.
6608 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
6610 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
6612 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
6614 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
6615 (gen{extract,peep,opinit,output}): Ditto.
6617 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
6618 global definition so print-rtl.o can be linked in.
6619 * gen{peep,recog}.c (insn_attr_name): Ditto.
6621 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
6623 * fixincludes: discard empty C++ comments, as found in sys/time.h
6626 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6628 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
6631 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
6633 * emit-rtl.c (operand_subword): Rework slightly to avoid
6634 bogus warning from previous change.
6636 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
6638 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
6639 Nov 8 find_replacement change. Move decls of get_unaligned_address
6640 * alpha.h: ... here.
6642 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
6644 * function.c (assign_parms): Initialize unsignedp before passing
6645 its pointer to promote_mode.
6647 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
6648 (write_test_expr): Allow MATCH_INSN.
6650 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
6652 * install.texi: Update section on warnings that can be safely ignored.
6654 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
6656 * mips.md (reload_outdi): Change the scratch mode from DImode to
6657 TImode. New variable scratch, used instead of operand[2] in template.
6658 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
6660 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
6662 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
6664 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
6666 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
6668 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
6670 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
6671 (ASM_FINISH_DECLARE_OBJECT): Likewise.
6673 * Idea and part of the patch from HJ.
6674 * Makefile.in: auto-host.h renamed from auto-config.h. All references
6676 (distclean): Remove auto-build.h too.
6677 * configure.in: Rename host autoconf generated file to auto-host.h.
6678 If host != build, then run autoconf to generate auto-build.h for
6679 the build machine and include it in build_xm_files.
6680 Check for wait.h and sys/wait.h.
6682 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
6683 TRULY_NOOP_TRUNCATION.
6685 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
6687 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
6689 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
6691 * invoke.texi (ld options) Include memset requirements
6692 for options -nodstdlib and -nodefaultlibs.
6694 1998-04-12 Paul Eggert <eggert@twinsun.com>
6696 This change is from an idea suggested by Arthur David Olson.
6698 * c-common.c (decl_attributes, record_function_format,
6699 check_format_info, init_function_format_info):
6700 Add support for strftime format checking.
6701 (enum format_type): New type.
6702 (record_function_format): Now static, and takes value of type
6703 enum format_type instead of int.
6704 (time_char_table): New constant.
6705 (struct function_format_info): format_type member renamed from is_scan.
6706 (check_format_info): Use `warning' rather than sprintf followed by
6707 `warning', to avoid mishandling `%' in warnings.
6708 Change `pedwarn' to `warning', since these warnings do not necessarily
6709 mean the program does not conform to the C Standard, as the code
6710 need not be executed.
6712 * c-tree.h (record_function_format): Remove decl; no longer extern.
6714 * extend.texi: Add documentation for strftime format checking.
6716 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
6718 * mips/ecoffl.h: Do not include mips.h.
6719 * mips/elf.h: Likewise.
6721 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
6722 * mips/ecoff.h: Include "mips/mips.h".
6724 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
6726 * version.c: Bump for snapshot.
6728 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
6730 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
6731 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
6732 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
6733 between loop optimization passes.
6734 * rtl.h: Updated appropriately.
6736 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
6738 Reinstall this patch from Jason.
6739 * function.c (push_function_context_to): Don't call init_emit.
6741 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
6743 * rtl.c (read_skip_spaces): Prevent infinite loops upon
6744 encountering unterminated comments.
6746 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
6748 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
6751 * configure.in: Handle --with-fast-fixincludes.
6752 (fixincludes): If --with-fast-fixincludes, then use a different
6753 fixincludes program by default.
6754 * Makefile.in (fixinc.sh): New rule.
6756 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
6758 * i386.md (movqi+1): Handle invalid QI register.
6759 (movsf_push-1): Likewise.
6761 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
6763 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
6765 symbolic_memort_operand(), call32_operand(), int8_operand(),
6766 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
6768 uint16_operand(): Made static.
6770 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
6772 * calls.c (expand_call): Fix typo.
6774 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
6776 * c-lex.c (finput): New global.
6777 (init_parse): Always included. Handle !USE_CPPLIB using
6778 code originally in compile_file.
6779 (finish_parse): Update for CPPLIB.
6780 * toplev.c (init_parse, finish_parse): Declare.
6781 (finput): Delete variable. Now in front-ends.
6782 (compile_file): Remove code which is now handled by init_parse
6783 which is unconditionally called. Similarly for finish_parse.
6785 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
6787 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
6788 ASM_WEAKEN_LABEL): Add.
6790 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
6792 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
6793 * configure.in (alpha-*-linux*): Use them.
6795 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6797 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
6798 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
6799 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
6800 (build_expr_wfl): New prototype declaration.
6801 * tree.c (build_expr_wfl): New function, to build
6802 EXPR_WITH_FILE_LOCATION nodes.
6803 (copy_node): Don't zero TREE_CHAIN if copying a
6804 EXPR_WITH_FILE_LOCATION node.
6805 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
6806 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
6808 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
6810 * configure.in (v850): Use t-v850.
6811 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
6813 * protoize.c (creat, read, write): Do not declare.
6815 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
6816 refer to the CODE_LABEL before a dispatch table.
6818 * invoke.texi: Add ARC options.
6820 * gcc.c (proces_command): Improve error message for -o with
6823 * i386/x-cygwin32 (CLIB): Link in advapi32.
6825 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
6826 (ASM_IDENTIFY_LANGUAGE): Likewise.
6828 * i386.md (movqi recognizer): Don't perfom byte increment into
6831 * configure.in (x86-dg-dgux): Run fixinc.dgux.
6833 * i370.h: Fix typo in GEN_INT changes.
6835 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
6836 of an empty arglist in prototype.
6838 * Makefile.in: Remove bytecode crud that crept back in after the
6841 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
6843 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
6844 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
6846 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
6848 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6850 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
6852 * c-lex.c (is_class_name): Delete declaration.
6853 (whitespace_cr): Make static and add prototype.
6854 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
6855 yylex, get_directive_line): Turn declarations into prototypes.
6856 (position_after_whitespace, check_newline, yyerror,, is_class_name,
6857 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
6859 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
6861 * gencodes.c (gen_insn): Add prototype.
6862 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
6863 gen_peephole): Add prototypes.
6864 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
6866 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
6867 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
6868 genheader, gencode): Add prototypes.
6869 * genopinit.c (gen_insn): Add prototype.
6870 * genoutput.c (output_prologue, output_epilogue, scan_operands,
6871 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
6872 gen_expand, gen_split, n_occurrences): Add prototypes.
6873 * genpeep.c (gen_peephole): Add prototype.
6874 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
6875 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
6876 labels_in_range_p, count_loop_regs_set, note_addr_stored,
6877 loop_reg_used_before_p, scan_loop, replace_call_address,
6878 skip_consec_insns, libcall_benefit, ignore_some_movables,
6879 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
6880 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
6881 check_final_value, record_giv, update_giv_derive, basic_induction_var,
6882 simplify_giv_expr, general_induction_var, consec_sets_giv,
6883 check_dbra_loop, express_from, combine_givs_p, combine_givs,
6884 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
6885 last_use_this_basic_block, record_initial, update_reg_last_use,
6886 iteration_info, analyze_loop_iterations, insert_bct,
6887 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
6890 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
6892 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6894 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
6896 * config/mips/mips.c (siginfo): Deleted.
6897 (override_options): Don't install SIGINFO signal handler.
6899 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
6901 * loop.c (check_dbra_loop): When normalize comparison_val, add check
6902 to verify it is non-negative.
6904 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
6906 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
6907 (alpha_expand_block_clear): Likewise.
6909 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
6911 * tree.h (sizetype_tab): Fix previous change for K&R.
6913 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
6915 * version.c: Bump for snapshot.
6917 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
6919 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
6920 Add USG and POSIX to xm_defines.
6922 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
6924 * gcc.c: Add linker spec.
6925 (link_command_spec): Use %(linker) instead of ld.
6926 (main): If collect2 is requested as the linker, see if it exists;
6927 if not, use ld instead.
6929 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
6931 (install-collect2): Install as collect2, not ld.
6933 * configure.in(will_use_collect2): It's named collect2 now.
6935 * collect2: Remove checks to see if we were invoked recursively.
6936 (collect_execute): Use _spawnvp under cygwin32.
6938 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
6940 * haifa-sched.c (build_control_flow): Set unreachable for block whose
6941 only predecessor is itself.
6943 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6945 * c-parse.in: Include system.h, and remove stuff now made redundant.
6948 * protoize.c: Likewise. Properly check for cpp stringification.
6950 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
6953 * objc/Make-lang.in (objc-parse.o): Likewise.
6955 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6957 * gansidecl.h: Check if compiler supports __attribute__. Provide
6958 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
6959 __attribute__ when its available. Also provide definitions for
6960 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
6961 terms of ATTRIBUTE_PRINTF.
6963 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
6966 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
6968 * combine.c (can_combine_p): Include successor in volatile test.
6970 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6972 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
6975 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
6977 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
6978 in prototype and definition.
6980 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
6982 * version.c: Bump for snapshot.
6984 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
6986 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
6987 alpha_expand_unaligned_store_words.
6989 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
6991 * i386.md (movsf_push, movsf_mem): Remove.
6992 (movsf_push): Rename from movsf_push_nomove and move in front of
6993 movsf. Use nonmemory_operand predicate and don't bother checking
6995 (movsf_push_memory): New pattern.
6996 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
6997 both operands refer to memory then force operand[1] into a register.
6998 (movsf_normal): Change to unnamed pattern.
6999 Likewise for movdf, movxf, and friends.
7001 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
7003 * version.c: Bump for snapshot.
7005 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
7007 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
7009 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
7011 * configure.in (mips-wrs-vxworks): New target.
7013 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
7015 * expmed.c (synth_mult): The value -1, has no zeros, so it can
7016 never have the form ...011.
7018 * version.c: Bump for snapshot.
7020 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
7022 * i386.c (asm_output_function_prefix, load_pic_register):
7023 Use ASM_GENERATE_INTERNAL_LABEL properly.
7024 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
7025 (print_operand): Ignore it.
7026 (load_pic_register): Use it for the got load call.
7027 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
7028 (prologue_get_pc_and_set_got): Likewise.
7029 * i386.h: Update print_operand docs.
7031 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
7033 * i386.md (ffssi, ffshi): Rewrite as define_expands.
7034 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
7035 * i386.c (notice_update_cc): Recognize unspec 5.
7037 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
7039 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
7040 * alpha.c (print_operand): Handle it.
7041 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
7043 (fix_truncdfdi2): Likewise.
7045 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
7047 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
7048 of these into a single struct, with additional [us]sizetype entries.
7049 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
7050 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
7053 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
7055 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
7057 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
7059 * haifa-sched.c (split_block_insns): Don't supress insn splitting
7060 on subsequent passes.
7062 * alpha.c (hard_fp_register_operand): New function.
7063 * alpha.h (PREDICATE_CODES): Add it.
7064 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
7065 f<-m case and accompanying define_split.
7066 (trapb): Use a unique unspec_volatile number.
7068 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
7070 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
7073 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
7075 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
7078 * haifa-sched.c: Mirror recent changes from gcc2.
7080 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
7082 * Makefile.in (insn*.o): Depend on system.h.
7084 * pa.c (output_global_address): Initialize base.
7085 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
7087 1998-04-03 Mike Stump <mrs@wrs.com>
7089 * gthr.h: Support systems that don't have weak, but have threads.
7090 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
7091 * gthr-vxworks.h: New file.
7092 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
7094 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
7096 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
7098 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
7100 * ginclude/va-i960.h (va_end): Change void * to void.
7102 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * Makefile.in (choose-temp.o): Depend on system.h.
7106 * choose-temp.c: Include system.h when IN_GCC.
7108 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
7109 Richard Henderson <rth@cygnus.com>
7111 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
7112 (move_replacements): New function.
7113 * reload.h: Prototype it.
7115 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
7117 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
7119 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
7122 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
7123 (gen_highpart): Likewise.
7124 * final.c (alter_subreg): Allow the target to hook by-mode subreg
7125 hard register number changes.
7127 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
7129 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
7130 rnbitsize, rnmode and rinner.
7131 (make_range): Initialize type.
7132 (fold): Initialize arg0, arg1 and varop.
7134 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
7136 (expand_function_start): Initialize last_ptr.
7138 * stor-layout.c (layout_record): Initialize desired_align.
7139 (get_best_mode): Initialize unit.
7141 * tree.c (copy_node): Initialize length.
7143 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
7145 * caller-save.c (insert_save_restore): Initialize pat, code and
7148 * emit-rtl.c (push_to_sequence): Initialize top.
7149 (push_topmost_sequence): Likewise.
7151 * genattrtab.c (simplify_by_exploding): Initialize defval.
7153 * profile.c (branch_prob): Initialize dest.
7155 * rtl.h (note_stores): Remove duplicate prototype.
7156 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
7158 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
7159 strings that are not actually lengths.
7161 * genattrtab.c: Make generated file use system.h, instead of
7162 including stdio.h, etc directly.
7163 * genextract.c, genopinit.c, genoutput.c: Likewise.
7164 * genpeep.c, genrecog.c: Likewise
7166 * genoutput.c (process_template): Mark operands in the generated
7167 function as potentially unused if compiling with GNU CC.
7169 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
7171 * pa.md (reload peepholes): Remove unused variable "mode".
7173 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
7175 * config/arm/thumb.h: Add super interworking support.
7176 * config/arm/thumb.c: Add super interworking support.
7177 * config/arm/thumb.md: Add super interworking support.
7178 * config/arm/lib1funcs.asm: Add interworking support.
7179 * config/arm/lib1thumb.asm: Add super interworking support.
7180 * config/arm/t-semi: Add interworking support.
7181 * config/arm/t-thumb: Add interworking support.
7182 * config/arm/README-interworking: New file.
7184 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
7186 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
7187 (MD_STARTFILE_PREFIX): Unset.
7189 1998-04-01 Mark Mitchell <mmitchell@usa.net>
7191 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
7192 entity in a local scope.
7194 * fold-const.c (fold): Call truthvalue_conversion for values which
7195 are folded to boolean type.
7197 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
7199 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
7200 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
7201 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
7202 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
7203 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
7204 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
7205 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
7206 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
7207 * md.texi: Likewise.
7209 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
7211 * fixincludes (limits.h): Fix nested comments in Motorola's
7212 limits.h and sys/limits.h.
7214 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
7216 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
7217 as dest of expand_binop call.
7219 * alpha.md (extzv): Correct check for valid operand[2] values.
7221 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
7224 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
7226 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
7228 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
7229 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
7231 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
7232 cygwin32 can override this to allow both unix and win32 style PATHs.
7234 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
7235 style environment paths.
7237 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7239 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
7240 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
7241 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
7244 * cpphash.c: Include config.h.
7245 * cppalloc.c: Include system.h. Add parameters to various
7246 function prototypes.
7247 * cpperror.c: Likewise.
7248 * cppexp.c: Likewise.
7249 * cpphash.c: Likewise.
7250 * cpplib.c: Likewise.
7251 * cppmain.c: Likewise.
7252 * fix-header.c: Likewise.
7254 * gen-protos.c: Likewise.
7255 * gengenrtl.c: Likewise.
7256 * halfpic.c: Likewise.
7258 * scan-decls.c: Likewise.
7261 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
7263 * README.gnat: Add lang_print_xnode definition.
7265 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7267 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
7268 fmovecr on the 68060.
7270 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
7272 * genemit.c (DONE): Rework so that it works in the true arm if
7273 an if-else conditional.
7276 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
7278 * rs6000.c: Do not include stdioh or ctype.h anymore.
7280 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
7282 (stor-layout.o): Likewise.
7283 * c-typeck.c: Include rtl.h and expr.h.
7284 * stor-layout.c: Likewise.
7286 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
7287 All callers changed.
7288 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
7289 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
7290 All callers changed.
7292 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
7294 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
7296 * tree.h (lang_print_xnode): Provide prototype.
7298 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
7300 * version.c: Bump for snapshot.
7302 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
7304 * objc/sendmsg.c (__objc_block_forward): Add braces for return
7305 value if INVISIBLE_STRUCT_RETURN.
7307 * pa.c (arith_double_operand): Fix parens.
7309 * haifa-sched.c (print_pattern): Correct arg to sprintf.
7311 * Makefile.in (libgcc1.null): Make return type for __foo void.
7313 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
7315 * pa.h: Add declarations for many functions defined in pa.c.
7317 * genpeep.c (main): Remove unused variable 'i' from the generated
7320 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
7321 (gen_split): Likewise.
7322 (main): Rework generated definitions of DONE and FAIL so that they
7323 no longer use gotos. Avoids warnings about unused labels.
7325 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
7326 unused "junk" variable.
7328 * genattrtab.c (write_complex_function): Add a default case in
7329 generated switch statement to keep -W -Wall quiet.
7331 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
7333 * invoke.texi: Document more ARM and Thumb command line options.
7335 * config/arm/xm-thumb.h: New file.
7337 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
7339 * stmt.c (expand_expr_stmt): Must generate code for
7340 statements within an expression (gcc's `({ ... )}')
7341 even if -fsyntax-only.
7343 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7344 Jeffrey A Law (law@cygnus.com)
7346 * basic-block.h (basic_block_computed_jump_target): Declare.
7347 * flags.h: (current_function_has_computed_jump): Declare.
7348 * flow.c: (basic_block_computed_jump_target): Define.
7349 (flow_analysis): Allocate it. Set current_function_has_computed_jump
7351 (find_basic_blocks): Set current_function_has_computed_jump and
7352 elements of basic_block_computed_jump_target to 1 as appropriate.
7353 * function.c: (current_function_has_computed_jump): Define.
7354 * global.c (global_conflicts): Don't allocate pseudos into stack regs
7355 at the start of a block that is reachable by a computed jump.
7356 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
7358 (subst_stack_regs): Undo change from Sep 4 1997.
7359 (uses_reg_or_mem): Now unused, deleted.
7360 * stupid.c (stupid_life_analysis): Compute
7361 current_function_has_computed_jump.
7362 (stupid_find_reg): Don't allocate stack regs if the function has a
7364 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
7365 the current function has a computed jump. Use the global value
7368 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
7370 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
7371 (DWARF2_UNWIND_INFO): Define to zero.
7373 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
7375 * gcc.c (set_std_prefix): Add declaration.
7376 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
7377 suffix, and update the standard prefix prefix.c uses.
7379 * prefix.c (std_prefix): New global to hold default prefix value.
7380 (get_key_value): Change to use std_prefix instead of PREFIX.
7381 (translate_name): Ditto.
7382 (update_path): Ditto.
7383 (get_key_value): Release allocated scratch storage.
7384 (set_std_prefix): New function to reset the standard prefix.
7386 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7388 * sh.c (find_barrier): Fix calculations for alignment increase.
7390 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
7392 * Makefile.in (stmp-fixinc): If we're actually fixing include
7393 files, copy gcc's assert.h into the fixed include dir.
7394 * fixincludes (assert.h): Avoid any attempts to fix a probably
7395 broken system specific assert.h file.
7396 * fixproto (stdlib.h): Make sure, it'll contain a definition of
7399 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
7401 * regclass.c (reg_scan_mark_refs): Be more selective about
7402 when we mark a register with REGNO_POINTER_FLAG.
7404 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7406 reload inheritance improvement:
7407 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
7408 Change meaning: index is now hard reg number.
7409 (reg_reloaded_valid, reg_reloaded_dead): New variables.
7410 (reload_spill_index): Content is now a hard reg number.
7411 (reload_as_needed): Change to fit new variable meaning.
7412 (forget_old_reloads_1, allocate_reload_reg): Likewise.
7413 (choose_reload_regs, emit_reload_insns): Likewise.
7415 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7417 * regclass.c (record_reg_classes): '?' increases cost by two.
7419 * reload.c (find_reloads): Double previous costs. Output
7420 reloads cost one unit extra.
7422 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
7423 boiled down to && ! 0.
7425 * reload.c (find_equiv_reg): Also consider a goal offset from the
7426 frame pointer to be constant.
7428 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7430 * sh.h (OPTIMIZATION_OPTIONS): Define.
7432 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
7434 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
7436 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
7438 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
7440 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
7442 * c-common.c (check_format_info): Initialize type, is_type. New local
7443 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
7444 when pedantic if used with integral format specifier.
7446 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
7448 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
7450 (function_arg_padding): Declare.
7452 * rs6000.c: Include system.h.
7453 (function_arg_padding): Change return type to int, cast enum's to
7456 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
7457 * collect2.c (scan_prog_file): Add explicit braces to avoid
7460 * dbxout.c (dbxout_type_fields): Add braces around empty body in
7462 (dbxout_type): Likewise.
7464 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
7465 `ptt_size' from int to size_t.
7466 (rs6000_file_start): Likewise for `i'.
7467 (rs6000_replace_regno): Add default case in enumeration switch.
7468 (output_epilog): Remove unused variable `i'.
7469 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
7472 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
7474 (get_issue_rate, non_logical_cint_operand): Add prototype.
7475 (rs6000_output_load_toc_table): Ditto.
7477 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
7480 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
7482 * config/arm/thumb.c: New File. Support for ARM's Thumb
7484 * config/arm/thumb.h: New File. Thumb definitions.
7485 * config/arm/thumb.md: New File. Thumb machine description.
7486 * config/arm/tcoff.h: New File. Thumb COFF support.
7487 * config/arm/t-thumb: New File. Thumb makefile fragment.
7488 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
7490 * configure.in: Add Thumb-coff target.
7491 * configure: Add Thumb-coff target.
7492 * config.sub: Add Thumb-coff target.
7494 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
7496 * loop.c (scan_loop): Initialize move_insn_first to zero.
7498 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
7500 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
7501 * config/i386/rtems.h: Likewise.
7502 * config/i960/rtems.h: Likewise.
7503 * config/m68k/rtems.h: Likewise.
7504 * config/mips/rtems64.h: Likewise.
7505 * config/pa/rtems.h: Likewise.
7506 * config/rs6000/rtems.h: Likewise.
7507 * config/sh/rtems.h: Likewise.
7508 * config/sparc/rtems.h: Likewise.
7510 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7512 * pa.c (emit_move_sequence): If in reload, call find_replacement.
7514 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
7516 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
7518 * collect2.c (find_a_file): Add debugging.
7519 (find_a_file): Test for win32 style absolute paths if
7520 DIR_SERPARATOR is defined.
7521 (prefix_from_string): Add debugging.
7522 (main): Test for debug command line switch at start of program
7524 (main): Use GET_ENVIRONMENT rather than getenv().
7525 (prefix_from_env): Use GET_ENVIRONMENT.
7527 1998-03-24 Mark Mitchell <mmitchell@usa.net>
7529 * cplus-dem.c (optable): Add sizeof.
7530 (demangle_template_value_parm): New function containing code
7531 previously found in demangle_template.
7532 (demangle_integral_value): New function which handles complicated
7533 integral expressions.
7534 (demangle_template): Use them.
7536 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7538 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
7539 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
7540 genattrtab.o, genoutput.o): Depend on system.h.
7542 * genattr.c: Include system.h. Add arguments to various function
7543 prototypes. Remove redundant prototype of read_rtx().
7544 * genattrtab.c: Likewise.
7545 * gencodes.c: Likewise.
7546 * genconfig.c: Likewise.
7547 * genemit.c: Likewise.
7548 * genextract.c: Likewise.
7549 * genflags.c: Likewise.
7550 * genopinit.c: Likewise.
7551 * genoutput.c: Likewise.
7552 * genpeep.c: Likewise.
7553 * genrecog.c: Likewise.
7555 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
7557 * c-lang.c (lang_print_xnode): New function.
7558 * objc/objc-act.c (lang_print_xnode): Likewise.
7559 * print-tree.c (print_node): Call it
7561 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
7563 * c-parse.in: Recognize protocol qualifiers in class
7564 definitions for objc.
7566 (yyerror): Remove redundant decl.
7567 (yyprint): Fix prototype.
7569 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
7571 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
7573 * stmt.c (unroll_block_trees): Free block_vector if needed.
7575 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
7577 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
7578 (zero_extendsidi2): Avoid useless copy.
7579 (iordi_zext): New pattern.
7580 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
7582 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
7584 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
7585 (ashldi3): Allow constant shift count in range ]32,63].
7586 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
7588 1998-03-22 Mark Mitchell <mmitchell@usa.net>
7590 * tree.h (IS_EXPR_CODE_CLASS): New macro.
7592 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
7594 * h8300.h (CONST_COSTS): Remove definition.
7595 (DEFAULT_RTX_COSTS): Define.
7597 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
7599 * config/sh/rtems.h: Switched from ELF to COFF.
7601 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7603 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
7605 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
7607 * version.c: Bump for snapshot.
7609 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
7610 Geoff Noer <noer@cygnus.com>
7612 * Makefile.in: Various fixes for building cygwin32 native toolchains.
7614 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
7615 * objc/Make-lang.in: Likewise.
7617 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
7619 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
7621 * configure.in: Handle with-PACKAGE=no correctly
7623 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7625 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
7626 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
7627 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
7628 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
7629 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
7630 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
7631 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
7632 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
7633 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
7634 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
7637 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
7638 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
7639 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
7640 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
7641 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
7642 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
7643 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
7644 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
7645 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
7646 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
7647 xcoffout.c: Include system.h. Organize include ordering so
7648 that stdarg/varargs comes before other system headers. Remove
7649 spurious casts of functions assured of a prototype in system.h.
7651 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
7653 * reg-stack.c (pop_stack): Define. Pops any register on the
7654 regstack and adjusts regstack.
7655 (compare_for_stack_reg): Use pop_stack.
7657 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
7659 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
7662 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
7664 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
7666 * fold-const.c (fold): Replace sign-extension of a zero extended
7667 value by a single zero extension.
7669 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
7671 * except.c (init_eh): Do nothing.
7672 (save_eh_status): Call init_eh_for_function, not init_eh.
7673 * function.c (push_function_context_to): Don't call init_emit.
7675 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
7677 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
7680 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7682 * final.c (shorten_branches): Add parentheses around +/- in
7685 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
7687 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
7689 * regclass.c (memory_move_secondary_cost): Wrap uses of
7690 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
7693 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
7695 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
7697 * flow.c (life_analysis): #include <sys/types.h> to make sure
7699 * cplus-dem.c (demangle_function_name): Likewise.
7701 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
7703 * final.c (insn_noperands): Change type to unsigned int.
7704 (final_scan_insn): Likewise for noperands;
7705 properly check operand number boundaries.
7707 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
7709 * alpha.md (extzv): Don't reject register operands. Fix
7712 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
7714 * dbxout.c (dbxout_function_end): Fix last change. The correct
7715 predicate is ASM_OUTPUT_SECTION_NAME.
7717 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
7719 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
7720 (ashlsi): Use match_dup 1 instead of match_operand 2.
7722 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7724 * fold-const.c (operand_equal_for_comparison_p): See if equal
7725 when nop conversions are removed.
7727 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7729 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
7730 don't use ORIGINAL_TARGET unless REG.
7732 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7734 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
7736 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
7738 * loop.c (struct movable): New field move_insn_first.
7739 (scan_loop): In consec sets code, set it. Clear it otherwise.
7740 (move_movables): In consec sets code, use it. Copy REG_NOTES from
7741 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
7744 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
7746 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
7747 is large, and the system doesn't provide atoll or atoq.
7750 * alpha/xm-vms.h (HAVE_ATOLL): Define.
7751 Reported by Klaus Kaempf <kkaempf@progis.de>.
7753 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7755 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
7756 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
7758 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
7759 test !ACCUMULATE_OUTGOING_ARGS.
7761 * collect2.c (write_c_file_glob): Wrap function definition in
7762 macro test !LD_INIT_SWITCH.
7764 * combine.c (try_combine): Wrap variables `cc_use' and
7765 `compare_mode' in macro test EXTRA_CC_MODES.
7767 * cpplib.c (do_ident): Remove unused variable `len'.
7768 (skip_if_group): Remove unused variables `at_beg_of_line' and
7770 (cpp_get_token): Remove unused variable `dummy'.
7772 * dbxout.c (scope_labelno): Move static variable definition inside
7773 the one function scope where it is used.
7774 (dbxout_function_end): Wrap prototype and definition in
7775 macro test !NO_DBX_FUNCTION_END.
7777 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
7778 in macro test !MIPS_DEBUGGING_INFO.
7780 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
7781 into the scope where it is used. Wrap empty else-statement body
7784 * fix-header.c: Fix typo in comment.
7785 (inf_skip_spaces): Cast results of INF_UNGET to (void).
7786 (check_protection, main): Likewise.
7788 * flow.c (find_basic_blocks_1): Remove dangling comment text.
7790 * function.c (contains): Wrap prototype and definition in macro
7791 test HAVE_prologue || HAVE_epilogue.
7792 (fixup_var_refs_1): Remove unused variable `width'.
7794 * gen-protos.c (main): Remove unused variable `optr'.
7796 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
7798 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
7799 (__sjpopnthrow): Remove unused variable `jmpbuf'.
7800 (__throw): Remove unused variable `val'.
7802 * protoize.c: Check for a previously existing definition before
7803 defining *_OK macros.
7805 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
7807 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7809 * vax.h (ADDR_VEC_ALIGN): Define.
7811 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
7813 * gcc.c (default_arg): Don't wander off the end of allocated
7816 (From Geoffrey Keating <geoffk@ozemail.com.au>)
7817 * rs6000.c (small_data_operand): Ensure that any address
7818 referenced relative to the small data area is inside the SDA.
7820 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
7822 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
7824 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7826 * except.h (in_same_eh_region): New prototype.
7827 (free_insn_eh_region, init_insn_eh_region): New prototypes.
7828 * except.c (insn_eh_region, maximum_uid): New static variables.
7829 (set_insn_eh_region): New static function to set region numbers.
7830 (free_insn_eh_region): New function to free EH region table.
7831 (init_insn_eh_region): New function to initialize EH region table.
7832 (in_same_eh_region): New function used to determine if two rtl
7833 instructions are in the same exception region or not.
7834 * final.c (final): Initialize the table indicating which instructions
7835 belong in which exception region.
7836 * genpeep.c (main): Add "except.h" to include file list in generated
7838 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
7839 peepholes involving calls and unconditional branches.
7841 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
7843 * README.gnat: New file.
7845 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7847 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
7848 "recog.h" for offsettable_memref_p.
7849 (legitimize_pic_address): Remove unused variable `offset'.
7850 (notice_update_cc): Change return type to void. Add default label
7852 (standard_68881_constant_p): Remove unused variable mode.
7853 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
7854 (const_int_cost): Explicitly declare as returning int.
7855 (output_dbcc_and_branch): Change return type to void.
7857 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
7858 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
7859 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
7861 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
7863 * version.c: Bump for snapshot.
7865 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7867 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
7868 check for 'M' constraint.
7870 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
7872 * cccp.c (create_definition): If pedantic, call pedwarn for macro
7875 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7877 * i386.c (ix86_logical_operator): New function.
7878 (split_di): Ensure that when a MEM is split, the resulting MEMs have
7880 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
7883 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7884 Richard Earnshaw <rearnsha@arm.com>
7885 Nick Clifton <nickc@cygnus.com>
7887 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
7889 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
7891 * cse.c (rtx_cost): Provide a default case in an enumeration
7892 switch, and call DEFAULT_RTX_COSTS if it's defined.
7894 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
7896 * basic-block.h (compute_preds_succs): Change return type in
7898 * flow.c (compute_preds_succs): Likewise in function definition.
7900 * regmove.c (find_matches): Cast char used as array index to unsigned char
7903 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
7905 * i386.h (RTX_COSTS): Insert braces around nested if.
7906 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
7909 * gcc.c (default_compilers): Properly put brackets around array elements in
7912 * getopt.c (_getopt_internal): Add explicit braces around nested if;
7915 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
7916 (record_reg_life_pat): Add explicit parens around && and || in expression.
7917 (stack_reg_life_analysis): Add parens around assignment used as expression.
7918 (convert_regs): Likewise.
7920 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
7922 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
7923 change callers accordingly.
7925 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
7926 and definition; change all callers accordingly.
7928 * except.c (init_eh): Avoid assignment of unused return value of
7929 build_pointer_type; cast it to void, instead, and remove unused
7932 * gcc.c (lang_specific_driver): Define prototype only #ifdef
7933 LANG_SPECIFIC_DRIVER.
7934 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
7936 * genoutput.c (output_epilogue): Initialize next_name to 0.
7938 * real.c (efrexp): #if 0 prototype and function definition.
7939 (eremain): Likewise.
7946 * reload.c (push_secondary_reload): Define prototype only
7947 #ifdef HAVE_SECONDARY_RELOADS.
7949 * varasm.c (assemble_static_space): Define rounded only
7950 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
7952 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
7954 * i386.md (andsi): Add default case in enumeration switch.
7959 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
7961 * c-decl (finish_struct): Change type of min_align to unsigned.
7963 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
7964 remove unused variable len.
7966 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
7967 comment indicating this is proper behaviour.
7968 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
7970 (based_loc_descr): Likewise.
7972 * enquire.c (bitpattern): Change type of variable i to unsigned.
7974 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
7976 * flow.c (life_analysis): Change type of variable i to size_t;
7977 remove unused variable insn.
7979 * gcc.c (translate_options): Change type of variables optlen, arglen and
7981 (input_filename_length): Change type to size_t.
7982 (do_spec_1): Change type of variable bufsize to size_t.
7983 (main): Change type of variables i and j to size_t;
7984 remove subblock local definition of variable i.
7985 (lookup_compiler): Change type of second argument to size_t;
7986 change type of variable i to size_t.
7988 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
7990 * genopinit.c (get_insn): Change type of variable pindex to size_t.
7992 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
7994 * global.c (global_alloc): Change type of variable i to size_t.
7996 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
7998 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
7999 (expand_end_case): Change type of variable count to size_t.
8001 * toplev.c (main): Change type of variable j to size_t.
8002 (set_target_switch): Change type of variable j to size_t.
8003 (print_switch_values): Change type of variable j to size_t;
8004 remove unused variable flags.
8006 * varasm.c (assemble_variable): Change type of variable align to size_t.
8007 (const_hash_rtx): Change type of variable i to size_t.
8009 1998-03-11 Mark Mitchell <mmitchell@usa.net>
8011 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
8012 TREE_VEC if that's what it really is.
8014 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
8016 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
8019 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
8021 * gthr.h: Changed the comment about return values.
8022 * gthr-solaris.h (__gthread_once): Do not use errno; return the
8023 error number instead of -1.
8024 (__gthread_key_create): Any non-zero return value is an error.
8025 * libgcc2.c (eh_context_initialize): Check for non-zero return
8026 value from __gthread_once.
8027 Check that the value of get_eh_context was really changed.
8029 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8031 * sh.h (LOOP_ALIGN): Only align when optimizing.
8032 * sh.c (find_barrier): Clear inc for CODE_LABELs.
8033 When not optimizing, calculate alignment for BARRIERs directly.
8035 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8037 * final.c (shorten_branches): Remove conditionalizing on
8038 SHORTEN_WITH_ADJUST_INSN_LENGTH
8039 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
8041 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
8043 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
8044 an unconditional jump around deleted blocks.
8046 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
8048 * profile.c (branch_prob): If see computed goto, call fatal instead of
8051 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
8053 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
8054 Patch from Bruno Haible.
8056 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
8057 (assign_parms): Set aggregate if hide_last_arg and last_named.
8059 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8061 * final.c (shorten_branches): Initialize insn_addresses.
8063 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8065 * sh.h (MUST_PASS_IN_STACK): Define.
8067 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
8069 * final.c (shorten_branches): Fix minor logic error in
8070 ADDR_DIFF_VEC shortening support.
8072 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
8074 * version.c: Bump for snapshot.
8076 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
8078 * haifa-sched.c (is_cfg_nonregular): Change return type to
8079 an int. No longer compute "estimated" number of edges. Use
8080 computed_jump_p instead of duplicating the code. Fixup/add
8082 (build_control_flow): Returns a value indicating an irregularity
8083 in the cfg was detected. Count the number of edges in the cfg.
8084 allocate various edge tables.
8085 (find_rgns): No longer look for unreachable blocks.
8086 (schedule_insns): Do not allocate memory for edge tables here.
8087 Free memory for edge tables before returning. Do not perform
8088 cross block scheduling if build_control_flow returns nonzero.
8089 * flow.c (compute_preds_succs): More accurately determine when
8092 * basic-block.h (free_basic_block_vargs): Provide prototype.
8094 * cccp.c (main): Fix dumb mistakes in last change.
8096 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8098 * rtl.h (addr_diff_vec_flags): New typedef.
8099 (union rtunion_def): New member rt_addr_diff_vec_flags.
8100 (ADDR_DIFF_VEC_FLAGS): New macro.
8102 * sh.c (output_branch): Fix offset overflow problems.
8104 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
8105 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
8106 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
8107 * stmt.c (expand_end_case): Supply new arguments to
8108 gen_rtx_ADDR_DIFF_VEC.
8109 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
8110 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
8111 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
8112 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
8113 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
8114 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
8115 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
8116 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
8117 * i386/freebsd.h, i386/linux.h : Likewise.
8118 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
8119 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
8120 * m68k/mot3300.h, m68k/sgs.h : Likewise.
8121 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
8122 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
8123 (CASE_VECTOR_SHORTEN_MODE): Define.
8124 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
8125 (med_branch_p, braf_branch_p): Don't declare.
8126 (mdep_reorg_phase, barrier_align): Declare.
8127 (ADJUST_INSN_LENGTH): Remove alignment handling.
8128 * sh.c (uid_align, uid_align_max): Deleted.
8129 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
8130 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
8131 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
8132 (output_far_jump): Don't use braf_branch_p.
8133 (output_branchy_insn): Don't use branch_offset.
8134 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
8135 Remove paired barrier stuff.
8136 Don't use cache_align_p.
8137 Take alignment insns into account.
8138 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
8140 (barrier_align, branch_dest): New function.
8141 (machine_dependent_reorg, split_branches): Remove infrastructure
8142 for branch shortening that is now provided in the backend.
8143 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
8144 (braf_branch_p, braf_cbranch_p): Likewise.
8145 (attribute length): Use new attributes.
8146 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
8147 (addr_diff_vec_adjust): Delete.
8148 (align_2): Now a define_expand.
8149 (align_log): Now length 0.
8151 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
8153 * m32r.md (right): Correctly check for length == 2, not 1.
8155 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8157 * mips/mips.h: Prototype `machine_dependent_reorg'.
8158 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
8160 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
8162 * final.c (shorten_branches): Restore accidentally removed code.
8164 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8166 * configure.in: Remove duplicate uses of AC_PROG_CC and
8169 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
8171 * configure.in (target_cpu_default2): Correct typo for alphapca56.
8173 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
8174 Doug Evans (devans@cygnus.com)
8176 * haifa-sched.c (build_jmp_edges): Delete dead function.
8177 (build_control_flow): Use cfg routines from flow.c
8178 (schedule_insns): Remove debugging code accidentally checked
8181 * basic-block.h: Add external integer list structures, typdefs,
8182 accessor macros and function declarations. Simlarly for
8183 basic block pred/succ support and simple bitmap stuff.
8184 * flow.c: Add functions for integer list, basic block pred/succ
8185 support and simple bitmap support.
8186 (compute_dominators): New function to compute dominators and
8188 (find_basic_blocks): Split into two functions.
8189 (life_analysis): Likewise.
8190 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
8191 the life_analysis from toplev.c
8192 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
8193 life_analysis instead of flow_analysis.
8195 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8197 * jump.c (jump_optimize): Call mark_jump_label also for deleted
8199 (mark_jump_label): Don't increment ref counts for deleted insns.
8201 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8203 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
8205 * mips/mips.c: Include stdlib.h and unistd.h.
8206 (mips_asm_file_end): Add braces around empty body in an if-statement.
8207 (function_prologue): Wrap variable `fnname' in
8208 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
8209 (mips_select_rtx_section, mips_select_section): Declare as void.
8211 * mips/mips.h: Add prototypes for extern functions in mips.c.
8212 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
8213 (ENCODE_SECTION_INFO): Add braces around empty body in an
8216 * mips/mips.md (movdi): Add parentheses around && within ||.
8217 (movsf, movdf): Likewise.
8218 (branch_zero, branch_zero_di): Add default case in
8222 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
8224 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
8225 real constants, since they can't be changed.
8226 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
8227 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
8228 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
8229 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
8230 * alpha/vms.h (TARGET_OPEN_VMS): New.
8231 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
8233 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
8235 * reload.c (find_reloads): Always force (subreg (mem)) to be
8236 reloaded if WORD_REGISTER_OPERATIONS.
8238 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
8240 * haifa-sched.c (free_list): Rename from free_pnd_lst.
8241 (free_pending_lists): Rename free_pnd_lst uses.
8242 (remove_dependence): Place expunged element on unused_insn_list.
8243 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
8244 gen_rtx_*_LIST and alloc_rtx to use them.
8245 (compute_block_backward_dependences): Free the reg_last_* lists.
8247 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
8249 * cccp.c (main): Avoid undefined behavior when setting pend_includes
8252 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
8254 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
8255 USE_GNULIBC_1 is defined
8256 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
8257 includes the t-linux-gnulibc1 fragment
8259 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
8261 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
8263 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8265 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
8267 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8269 * final.c (shorten_branches): Tag the loop alignment onto the
8270 first label after NOTE_INSN_LOOP_BEG even if there is an
8273 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8275 * final.c (insn_current_reference_address):
8276 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
8277 proper alignment chain.
8279 * final.c (max_labelno): New static variable.
8280 (final_scan_insn): Check max_labelno before outputting an
8281 alignment for a label.
8282 (shorten_branches): Remove unused variable length_align.
8284 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8286 * sparc.c (ultrasparc_adjust_cost): Add default case in
8289 * sparc.h: Add prototypes for extern functions defined in
8292 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
8294 * toplev.c: Only generate <name>.dbr file when dumping RTL if
8295 DEALY_SLOTS is defined.
8297 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
8299 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
8300 in call to fill_slots_from_thread.
8302 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
8304 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
8305 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
8307 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8309 * final.c (insn_last_address, insn_current_align, uid_align):
8311 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
8312 (insn_current_reference_address): Likewise.
8313 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
8314 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
8315 (label_to_alignment): New function.
8316 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
8317 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
8318 insn_current_reference_address instead of insn_current_address.
8319 (or_attr_value, write_length_unit_log): New functions.
8320 (main): Call write_length_unit_log.
8321 (write_const_num_delay_slots): Output extra '\n'.
8322 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
8324 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
8325 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
8326 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
8328 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
8329 (LABEL_ALIGN_AFTER_BARRIER).
8330 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
8331 * ns32k/tek6000.h: Likewise.
8332 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
8333 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
8334 ASM_OUTPUT_ALIGN_CODE.
8336 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
8338 * version.c: Bump for snapshot.
8340 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
8342 * version.c: Bump for snapshot.
8344 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
8346 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
8347 if condition code of jump conflicts with opposite_needed.
8349 * reorg.c (fill_slots_from_thread): Mark resources referenced in
8350 opposite_needed thread. Return delay_list even when cannot get
8351 any more delay insns from end of subroutine.
8353 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
8355 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
8356 All callers changed.
8358 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8360 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
8361 end_fde_sort): New functions for fast sorting of an FDE array.
8362 (fde_insert): Simplified.
8363 (add_fdes): Change argument list.
8364 (frame_init): Use the new functions.
8366 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
8368 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
8370 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
8372 * fold-const.c (fold_range_test): Always return a value.
8374 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
8376 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
8377 data in the text section unless READONLY_DATA_SECTION is defined.
8379 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
8381 * c-parse.in (undeclared variable error): Tweak error message to
8384 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
8386 * version.c: Bump for snapshot.
8388 1998-02-28 Mark Mitchell <mmitchell@usa.net>
8390 * final.c (final_scan_insn): Undo overzealous removal of `set'.
8392 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8394 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
8395 case, add parentheses to specify the proper order of precedence in
8399 * c-aux-info.c: Include string.h/strings.h.
8401 * pa.c: Include stdlib.h.
8402 (pa_combine_instructions): Prototype the function.
8403 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
8404 (reloc_needed): Add default case for enumeration switch.
8405 (remove_useless_addtr_insns): Remove unused variable `all'.
8406 (hppa_expand_prologue): Add explicit braces to avoid
8408 (output_function_epilogue): Remove unused variable `i'.
8409 (output_millicode_call): Remove unused variable `link'.
8410 (shadd_constant_p, forward_branch_p): Make the function static.
8411 (following_call): Explicitly declare to return int.
8412 (pa_reorg): Declare as void.
8413 (pa_combine_instructions): Declare as static void. Add
8414 parentheses around && within ||.
8416 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
8417 following_call, function_label_operand, lhs_lshift_cint_operand
8420 * pa.md: Add parentheses around && within ||.
8422 * cppalloc.c: Include stdlib.h.
8424 * cpperror.c (cpp_print_containing_files): Remove unused variable
8425 `i'. Fix format specifier in fprintf.
8427 * cse.c (cse_around_loop): Add explicit braces to avoid
8429 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
8431 * expr.c (expand_expr): Add parentheses around && within ||.
8433 * final.c (app_enable): Replace fprintf with fputs where there are
8434 no format specifiers and no trailing argument after the string.
8435 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
8436 (app_disable): Likewise.
8437 (final_end_function): Likewise.
8438 (final_scan_insn): Likewise. Remove unused variable `set'.
8439 (profile_function): Wrap empty if-statement body in {} brackets.
8441 * function.c: Include stdlib.h.
8442 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
8443 (reposition_prologue_and_epilogue_notes): Add parentheses
8444 around assignment used as truth value.
8446 * integrate.c (expand_inline_function): Wrap variable
8447 `cc0_insn' in macro HAVE_cc0.
8449 * jump.c (jump_optimize): Wrap variable `q' in macro
8450 HAVE_cc0. Remove unused variable `prev1'.
8452 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
8453 within ||. Fix format specifier in fprintf.
8454 (__bb_init_prg): Add parentheses around assignment used as
8457 * local-alloc.c: Include stdlib.h.
8458 (requires_inout): Add parentheses around assignment used
8461 * loop.c (analyze_loop_iterations): Wrap prototype and definition
8462 in macro HAVE_decrement_and_branch_on_count.
8463 (insert_bct, instrument_loop_bct): Likewise.
8464 (move_movables): Add parentheses around assignment used as
8466 (consec_sets_invariant_p): Likewise.
8467 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
8469 * objc/objc-act.c: Include stdlib.h.
8470 (lookup_method_in_protocol_list): Wrap empty else-statement body
8472 (lookup_protocol_in_reflist): Likewise.
8473 (objc_add_static_instance): Remove unused variables `decl_expr'
8475 (get_objc_string_decl): Remove unused variable `decl'.
8476 (generate_static_references): Remove unused variables `idecl' and
8478 (check_protocols): Wrap empty else-statement body in braces.
8480 * protoize.c: Include stdlib.h.
8481 (substr): Add parentheses around assignment used as truth value.
8482 (abspath): Likewise.
8483 (shortpath): Likewise.
8485 * regmove.c (fixup_match_1): Add parentheses around assignment
8486 used as truth value.
8488 * reload.c (push_secondary_reload): Remove unused variable `i'.
8489 (find_reloads): Add parentheses around assignment used as truth
8492 * reload1.c: Include stdlib.h.
8494 * rtl.h: Correct typo in prototype of offsettable_memref_p.
8496 * stmt.c (add_case_node): Add parentheses around assignment used
8498 (case_tree2list): Likewise.
8500 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
8501 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
8502 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
8503 (merge_attributes): Add explicit braces to avoid ambiguous
8506 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
8509 * varasm.c: Include stdlib.h.
8512 * system.h: Remove sys/stat.h.
8513 * gcc.c: Add sys/stat.h.
8515 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
8516 * genattrtab.c: Likewise.
8517 * genconfig.c: Likewise.
8518 * genemit.c: Likewise.
8519 * genextract.c: Likewise.
8520 * genflags.c: Likewise.
8521 * genopinit.c: Likewise.
8522 * genoutput.c: Likewise.
8523 * genpeep.c: Likewise.
8524 * genrecog.c: Likewise.
8525 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
8527 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8529 * invoke.texi: Use @itemx for a secondary item in a @table.
8531 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
8534 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
8536 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
8538 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
8540 * i386.c (struct machine_function): Add new fields for PIC stuff.
8541 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
8543 (restore_386_machine_status): Corresponding changes.
8544 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
8546 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
8548 * c-parse.y (undeclared variable error): Tweak error message
8551 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
8553 * flags.h (g_switch_value, g_switch_set): Declare.
8554 * alpha.c (override_options): Set g_switch_value=8 if not set.
8555 * alpha/elf.h (CC1_SPEC): New.
8557 (LINK_SPEC): Pass along the -G value we were given.
8558 (LOCAL_ASM_OP): Remove.
8559 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
8560 (MAX_OFILE_ALIGNMENT): New.
8561 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
8562 (EXTRA_SECTIONS): Add sbss and sdata.
8563 (SECTION_FUNCTION_TEMPLATE): New.
8564 (EXTRA_SECTION_FUNCTIONS): Use it.
8565 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
8566 (SELECT_SECTION): Use sdata when small enough.
8567 * alpha/linux.h (ASM_SPEC): Remove.
8570 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8571 * config.sub (sco5): Fix typo.
8573 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
8575 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
8577 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
8578 * config/alpha/t-linux: Remove file.
8579 * config/sparc/t-linux: Remove file.
8580 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
8581 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
8582 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
8584 (alpha*-*-linux-gnu*): Likewise.
8585 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
8586 (sparc-*-linux-gnu*): Likewise.
8588 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
8589 * collect2.c (ldd_file_name): Bracket declaration with same
8591 (full_real_ld_suffix): Deleted. Variable was calloced and
8592 written into, but never read.
8594 1998-02-23 Mike Stump <mrs@wrs.com>
8596 * configure.in: Add support for i386-wrs-vxworks configuration.
8597 * i386/vxi386.h: New file.
8599 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8601 * tree.c (contains_placeholder_p): Ensure function always returns
8603 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
8604 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
8606 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
8608 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
8610 1998-02-22 Paul Eggert <eggert@twinsun.com>
8612 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
8613 Define this new symbol.
8614 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
8615 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
8616 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
8618 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
8620 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
8621 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
8623 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
8625 * objc/Object.m (-error): Call objc_verror with our va_list.
8627 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8629 * collect2.c (scan_prog_file): Completely cover uses of variable
8630 `exports' with macro COLLECT_EXPORT_LIST.
8632 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
8634 * version.c: Bump for snapshot.
8636 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
8638 * sched.c (schedule_block): Remove code to get arguments from hard
8639 regs into pseudos early. Same as Aug 25, 1997 change to
8642 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
8644 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
8646 1998-02-16 Mark Mitchell <mmitchell@usa.net>
8648 * toplev.c (rest_of_compilation): Do not defer the output of a
8651 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
8653 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
8654 continuation character (line 243).
8656 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8658 * genrecog.c (main): Remove duplicated sentence in emitted comment.
8660 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
8661 David Edelsohn <edelsohn@mhpcc.edu>
8663 * collect2.c (XCOFF_SCAN_LIBS): Remove.
8664 (export_flag): New variable.
8665 (export_file): #ifdef COLLECT_EXPORT_LIST.
8666 (import_file, exports, imports, undefined): New variables.
8667 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
8668 (dump_list, dump_prefix_list, is_in_list): New functions.
8669 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
8670 (write_import_file, resolve_lib_name): New functions.
8671 (use_import_list, ignore_library): Same.
8672 (collect_exit): maybe_unlink import_file and #ifdef.
8674 (main): New variable importf, #ifdef exportf. Move parsing of
8675 -shared before general argument parsing. Resolve AIX library
8676 paths and import libgcc.a symbols. Treat .so shared libraries the
8677 same as objects and .a libraries. Create alias for object_lst and
8678 increment it instead of original pointer. Scan AIX libraries as
8679 objects earlier instead of using scan_libraries. Perform AIX
8680 tlink later to resolve templates instead of forking ld.
8681 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
8682 (GCC_UNDEF_SYMBOL): New macro.
8683 (scan_prog_file): Loop for members of AIX libraries. Handle
8684 export/import of ctors/dtors.
8685 (aix_std_libs): New variable.
8686 (scan_libraries, XCOFF): Delete.
8688 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
8690 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
8692 1998-02-19 Mike Stump <mrs@wrs.com>
8694 * Makefile.in: Use $tooldir for sys-include to match toplevel
8697 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
8698 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8700 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
8702 * emit-rtl.c (hard-reg-set.h): Include.
8703 (get_lowpart_common): Don't make new REG for hard reg in a
8704 class that cannot change size.
8705 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
8707 * combine.c: Revert previous patch.
8709 1998-02-19 Paul Eggert <eggert@twinsun.com>
8711 * config/sparc/sol2-sld.h: New file.
8712 * configure.in (sparc-*-solaris2*): Use it when using the
8715 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
8717 * loop.c (force_movables): Fix typo.
8719 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
8721 * m88k.h: Change file pattern to match reality.
8723 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
8725 * varasm.c (output_constant_pool): Fix dumb thinko in last
8728 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
8729 a function name to a section name.
8731 1998-02-18 Doug Evans <devans@cygnus.com>
8733 * tree.h (merge_machine_{type,decl}_attributes): Declare.
8734 (split_specs_attrs, strip_attrs): Add prototypes.
8735 * tree.c (merge_machine_{type,decl}_attributes): New functions.
8736 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
8737 Update olddecl's attributes too.
8738 * c-common.c (strip_attrs): New function.
8739 * c-typeck.c (common_type): Call merge_machine_type_attributes.
8740 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
8741 (make_decl_rtl): Likewise.
8743 1998-02-18 Jim Wilson <wilson@cygnus.com>
8745 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
8747 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
8749 Remove this change until we can fix it correctly.
8750 * collect2.c: Bracket declaration of 'exportf' and
8751 'full_real_ld_suffix'.
8753 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8755 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
8757 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8759 * c-common.c (c_expand_start_cond, c_expand_end_cond,
8760 c_expand_start_else): Don't warn about non-ambiguous else even if
8763 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
8765 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
8766 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
8769 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
8771 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
8772 simplifying a subreg of a hard reg.
8773 (expand_compound_operation): Likewise.
8774 (force_to_mode): Likewise.
8776 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8778 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
8779 (lshift_double): Add parentheses around + or - inside shift.
8780 (rshift_double): Likewise.
8781 (size_int_wide): Explicitly set type of `bit_p' to `int'.
8783 * Makefile.in (fold-const.o): Depend on system.h.
8785 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
8788 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
8789 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
8790 (sched_note_set): Remove unused parameter `b', all callers changed.
8791 (schedule_block): Likewise for `rgn'.
8792 (split_hard_reg_notes): Likewise for `orig_insn'.
8793 (check_live): Likewise for `trg'.
8794 (update_live): Likewise.
8795 (check_live_1): Explcitly declare variable `i' as int.
8796 (update_live_1): Likewise.
8797 (insn_issue_delay): Remove unused variable `link'.
8798 (sched_analyze_2): Add default case in enumeration switch.
8799 (schedule_insns): Remove unused variable `i'.
8801 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
8803 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
8805 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
8806 a dangling else clause.
8808 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
8810 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
8811 pointer for the stack pointer in MIPS16 and 64BIT.
8813 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8815 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
8816 * emit-rtl.c (force_line_numbers, restore_line_number_status):
8818 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
8819 (expand_start_case): Adjust to this change.
8820 (check_seenlabel): New function.
8821 (pushcase, pushcase_range, expand_endcase): Use it.
8823 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8825 * i386.md (adddi3): Add =!r,0,0,X alternative.
8827 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
8829 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
8830 * x-aix31 (INSTALL): Delete.
8832 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
8834 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
8835 tsize changes to something other than zero.
8837 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
8839 * ginclude/va-mips.h: Replace casts of pointers to int with
8840 casts of pointers to __PTRDIFF_TYPE__.
8842 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
8844 * loop.c (strength_reduce, record_biv, record_giv): Use
8845 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
8847 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
8849 * tree.c (first_rtl_op): New fn.
8850 (unsave_expr_now): Use it.
8851 * print-tree.c (print_node): Likewise.
8852 * tree.c (has_cleanups): New fn.
8853 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
8854 conservative about pushing the cleanup point down.
8855 * tree.h: Declare them.
8857 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
8859 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
8860 (flag_schedule_reverse_after_reload): Likewise.
8861 (f_options): Remove reverse scheduling support.
8862 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
8863 (flag_schedule_reverse_after_reload): Likewise.
8864 * haifa-sched.c (rank_for_schedule): Remove support for reverse
8867 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8869 * gcc.c: Get system includes, prototypes and macros via "system.h"
8870 instead of doing it manually. Change all calls of the ctype
8871 macros to custom versions defined in "system.h".
8873 * system.h: Fix return type of bcmp prototype from `void' to `int'.
8874 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
8875 Add a prototype for getenv.
8877 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
8879 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
8881 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
8883 * alias.c: Include <stdlib.h> and <string.h>.
8884 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
8886 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
8888 * version.c: Bump for snapshot.
8890 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
8892 * arm.md (movsfcc): Also validate operands[3] when compiling hard
8894 (movdfcc): Only accept fpu_add_operand for operands[3].
8896 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
8897 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
8899 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
8901 * varasm.c (output_constant_pool): Bring back 'done' label inside
8902 an appropriate #ifdef.
8904 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
8906 (bitmap_copy, bitmap_operation): Likewise.
8907 * combine.c (combinable_i3pat): Similarly for 'src'.
8908 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
8909 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
8910 * regclass.c (copy_cost): Similarly for 'secondary_class'.
8911 * reload.c (make_memloc): Simliarly for 'i'.
8912 (find_reloads_address_1): Similarly for 'link'.
8913 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
8914 (emit_reload_insns): Similarly for 'second_reloadreg'.
8915 * unroll.c (iteration_info): Similarly for 'v'.
8917 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
8918 * calls.c (expand_call): Similarly for 'i'.
8919 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
8920 * fold-const.c (strip_compund_expr): Similarly for 'type'.
8921 * function.c (fixup_var_refs_1): Similarly for 'width'.
8922 (fixup_memory_subreg): Similarly for 'saved'.
8923 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
8924 (setjmp_protect): Similarly for 'sub'.
8925 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
8926 * loop.c (record_giv): Similarly for 'p'.
8927 (combine_givs): Similarly for 'temp_iv'.
8928 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
8929 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
8930 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
8931 * unroll.c (unroll_loop): Similarly for 'copy'.
8932 (iteration_info): Similarly for 'b'.
8933 * varasm.c (assemble_string): Similarly for 'i'.
8934 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
8936 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
8938 * c-lang.c (lang_print_xnode): New function.
8939 * objc/objc-act.c (lang_print_xnode): Likewise.
8940 * print-tree.c (print_node): Call it
8942 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
8944 * dwarf2out.c (decl_scope_node): New type.
8945 (decl_scope_table): Change type to use it.
8946 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
8947 (push_decl_scope): Use new type. New locals containing_scope, i.
8948 Add code to handle setting previous field.
8949 (scope_die_for): Change type of local i to int. Add code to use
8951 (dwarf2out_init): Use new type.
8953 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
8955 * except.c (emit_throw): Lose throw_used.
8957 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8959 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
8961 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
8963 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
8965 * genextract.c (main): Fix typo.
8967 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
8969 * c-lang.c (finish_file): Bracket declaration of static_ctors,
8972 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
8973 'old_stack_arg_under_construction'
8974 (emit_library_call): Bracket declaration of 'upper_bound',
8975 'lower_bound', 'i', 'reg_parm_stack_space'
8976 (emit_library_call_value): Likewise.
8979 * collect2.c: include <unistd.h> when appropriate.
8980 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
8982 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
8984 * explow.c (plus_constant_for_output_wide): Remove unused variable
8986 (memory_address): Remove unused variable 'orig_x'.
8988 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
8989 (write_const_num_delay_slots): Remove unused variable 'i'.
8991 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
8992 (gen_insn): Remove unused variable 'obstack_ptr'.
8994 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
8996 (__bb_exit_trace_func): Remove unused variable 'e'.
8998 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
9000 (expand_unop): Remove unused variable 'funexp'.
9001 (expand_complex_abs): Remove unused variable 'funexp'.
9002 (init_optabs): Bracket declaration of 'j'.
9003 (init_complex_libfuncs): Deleted. Dead static function.
9005 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
9007 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
9008 (reg_to_stack): 'initialized', 'before_function_beg'
9009 explictly type as ints instead of defaulting.
9010 (emit_swap_insn): Remove unused variable 'i2'.
9011 (compare_for_stack_reg): Remove unused variable 'src_note'.
9013 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
9015 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
9017 * stmt.c (add_case_node): Add parens for assignment used as truth.
9018 (all_cases_count): Remove unused variable 'count_high'.
9019 (mark_seen_cases): Remove unused variable 'i'.
9020 (check_for_full_enumeration_handling): Remove unused variable 't'.
9021 Bracket declaration of 'all_values', 'l'.
9023 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
9025 * varasm.c (assemble_string): Remove unused variable 'i'.
9026 (immed_double_const): Remove unused variable 'in_current_obstack'.
9027 (immed_real_const_1): Likewise.
9028 (output_constant_pool): Remove unreferenced label 'done'.
9029 (output_constant): Remove unused variable 'x'.
9031 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
9034 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
9037 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9039 * combine.c (can_combine_p): Handle USEs in PARALLELs.
9041 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
9043 * config/linux.h (LIB_SPEC): Add -lc for -shared if
9044 USE_GNULIBC_1 is not defined.
9045 * config/sparc/linux.h; Ditto.
9047 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
9049 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
9050 USE_GNULIBC_1 is not defined.
9052 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
9054 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
9057 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9059 * system.h: New file to get common systems includes and various
9060 definitions and declarations based on autoconf macros.
9062 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
9064 * cccp.c (new_include_prefix): Correctly handle -I./.
9066 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
9068 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
9070 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
9072 * expr.c (expand_assignment): Correct typo exposed by -Wall.
9073 offset should have been a truth value, not an assignment.
9075 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
9077 * cse.c (delete_dead_from_cse): If a libcall produces a constant
9078 result and that result can be substituted into SET_SRC of the
9079 insn with the REG_RETVAL note, then perform the substitution
9080 and delete the libcall.
9082 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
9084 * mips.md (trucndihi2,truncdiqi2): Change these to support
9087 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
9089 * mips/mips.c (movdi_operand): Direct referances to symbols
9090 that arn't mips16 consts in mips16 mode arn't valid operands.
9092 * mips/mips.c (mips_move_2words): Add gprel handling.
9094 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
9096 * mips.md (extendsidi2): Allow extension to/from a non-mips16
9099 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
9101 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
9104 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9106 * Makefile.in (WARN_CFLAGS): New variable.
9107 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
9109 1998-02-11 Mark Mitchell <mmitchell@usa.net>
9111 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
9112 falling through default case in switch.
9113 (i386_aligned_p): Likewise.
9115 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
9117 * mips/mips.h (mips_abi_string): Correct typo in comment.
9119 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
9121 * mips/mips.md (movdi): These PLUS's need to be Pmode.
9123 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9125 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
9126 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
9127 indirectly via expr.h.
9129 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
9131 * stor-layout.c (layout_type): Do upper - lower in the native type,
9132 so as to properly handle negative indices.
9134 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
9136 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
9137 (expand_eh_region_start_tree): Remove unused variable 'note'.
9138 (exception_optimize): Remove unused variable 'regions'.
9139 (expand_builtin_eh_stub): Remove unused variable 'temp'.
9140 (copy_eh_entry): Deleted. Dead function.
9142 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
9143 'last' with same #if HAVE_load_multiple as use of it.
9144 (move_block_from_reg): Likewise.
9145 (emit_move_insn_1): Remove unused variable 'insns'.
9146 (store_constructor): Bracket declaration of startb, endb with
9147 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
9148 'target', and 'xtarget'.
9149 (expand_builtin_setjmp): Remove unused variables 'op0',
9150 'next_arg_reg', 'old_inhibit_defer_pop'.
9151 (expand_builtin): Remove unused variable 'offset'.
9152 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
9153 (emit_queue): Add parens for assignment used as conditional.
9154 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
9156 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
9158 * i386.c: Added include for recog.h.
9159 (override_options): Removed unused variable p. Initialized regno to
9161 (order_regs_for_local_alloc): Initialized regno to avoid warning.
9162 (legitimize_address): Likewise for 'other'.
9163 (i386_aligned_reg_p): Added default case with abort ().
9164 (print_operand): Likewise.
9165 (reg_mentioned_in_mem): Likewise.
9166 (ix86_expand_binary_operator): Removed unused variables i & insn.
9167 (ix86_expand_unary_operator): Removed unused variable insn.
9168 (output_fp_cc0_set): Removed unused variable unordered_label.
9170 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
9172 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
9173 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
9174 and format string match.
9176 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
9178 * flow.c (life_analysis): Do not conside the stack pointer live at
9179 the end of a function if the fucntio ncalls alloca.
9180 (mark_used_regs): Similarly.
9182 1998-02-10 John F Carr <jfc@mit.edu>
9184 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
9185 1, fzero on alternative 8.
9187 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9189 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
9191 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9193 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
9194 SUBREGs of CONST_INTs.
9196 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
9198 * mips.c (print_operand, function_prologue): Make printf format
9199 match argument type.
9201 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9203 * alpha.c (alpha_return_addr): Remove unused variable `first'.
9204 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
9205 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
9207 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9209 * loop.c (strength_reduce): When placing increment for auto-inc
9210 case, do comparison in loop order.
9212 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
9214 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
9215 not a HOST_WIDE_INT.
9217 * calls.c (expand_call): Change test of expand_inline_function
9218 return value to stop compiler warning.
9220 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
9222 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
9223 Jeff Law (law@cygnus.com)
9225 * regmove.c: Fix various minor formatting problems.
9226 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
9227 is true. Make end of basic block tests consistent through regmove.c.
9228 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
9229 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
9231 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9233 * gansidecl.h: Check for a conflicting macro definition before
9234 attempting to prototype bcopy, bcmp or bzero.
9236 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
9238 * expr.c (clear_pending_stack_adjust): Handle case where a function
9239 calls alloca, but the user has specified -fomit-fframe-pointer.
9241 * function.c (assign_parms): Fix typo in last change.
9243 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
9245 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
9247 (free_path_suffix): Remove unreferenced static function.
9248 (process_command): Remove unused variable temp.
9249 (default_arg): Remove unused variable i.
9250 (do_spec_1): Add parens for assignment used as truth value.
9252 (validate_all_switches): Likewise.
9253 (main): Remove unused variables i, first_time>
9255 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
9257 * calls.c (expand_call): Remove unused variables funtree,
9258 n_regs, and tmpmode.
9260 * dbxout.c, except.c: Include <string.h>/<strings.h>.
9262 * explow.c: (plus_constant_for_output_wide) Removed unused
9263 variable all_constant.
9265 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
9266 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
9267 genrecog.c, global.c, integrate.c , stupid.c : Include
9270 * genextract.c: (walk_rtx) Remove unused variable link.
9272 * genrecog.c: (concat) Remove unreferenced static function.
9274 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
9276 * stmt.c: Include <stdlib.h>.
9277 (expand_asm_operands): Remove unused variable val1.
9278 (expand_return): Remove unused variable block.
9279 (pushcase): Remove unused variables l and n.
9280 (pushcaserange): Likewise.
9282 * unroll.c (unroll_loop): Remove unused variable temp.
9284 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
9286 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
9288 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9290 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
9291 functions for whether they support the %p format specifier.
9292 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
9293 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
9294 * configure, config.in: Rebuild.
9296 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
9298 * function.c (assign_parms): New variable named_arg, with value
9299 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
9301 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
9303 * mips/t-r3900: New - same as t-ecoff but eliminate
9304 multilibs: mips1 and mips3.
9305 * configure.in (tx39*): Use new mips/t-r3900.
9306 * configure: Rebuild.
9307 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
9309 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
9311 * dwarf2out.c: Add old_args_size.
9312 (dwarf2out_args_size): Use it.
9313 (dwarf2out_begin_prologue): Initialize it.
9314 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
9315 pushed args until we see a call.
9316 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
9317 before outputting them.
9319 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
9321 * cplus-dem.c (demangle_template_template_parm): New function.
9322 (demangle_template): Handle template template parameters.
9324 1998-02-02 Mark Mitchell <mmitchell@usa.net>
9326 * calls.c (expand_call): Don't confuse member functions named
9327 realloc, setjmp, and so forth with the standard library
9328 functions of the same names.
9330 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
9332 * stmt.c (expand_asm_operands): Correctly identify asm statements
9335 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9337 * c-common.c (decl_attributes): Flag unrecognized attribute
9338 functions as warnings instead of as errors.
9340 1998-02-05 Marc Lehmann <pcg@goof.com>
9342 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
9343 when -Os is specified.
9344 * toplev.c (main): Don't disable flag_inline_functions anymore when
9347 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9349 * regmove.c: Update.
9350 * flags.h (flag_regmove): Declare.
9351 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
9352 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
9353 Moved into regmove; changed caller.
9354 * toplev.c (rest_of_compilation): Call regmove_optimize also for
9355 expensive_optimizations.
9357 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
9359 * version.c: Bump for snapshot.
9361 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9362 Undo this change (the problem was actually in reload):
9363 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9365 * sh.md (movqi_i+1): New peephole.
9367 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
9369 * jump.c (jump_optimize): Lose calls to modified_in_p they are
9370 not needed anymore due to changes elsewhere in jump.c.
9372 * jump.c (jump_optimize): Fix first arg to modified_in_p in
9375 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
9377 * expr.c (expand_builtin_setjmp): Accept two new arguments for
9378 the labels to branch to on first and subsequent executions. Don't
9379 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
9380 and provide it with the jmp_buf. Use only one of
9381 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
9382 and provide the former with the target label.
9383 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
9384 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
9385 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
9386 insn to replace all of the normal nonlocal_goto code. Don't play
9387 with __dummy. Correct arguments to nonlocal_goto.
9388 * expr.h (expand_builtin_setjmp): Update prototype.
9389 * except.c (start_dynamic_handler): When using builtin_setjmp,
9390 generate more accurate flow information.
9392 * alpha.md (nonlocal_goto_receiver_osf): Delete.
9393 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
9394 (builtin_longjmp, builtin_setjmp_receiver): New.
9395 * sparc.md (update_return): Disambiguate unspec number.
9396 (nonlocal_goto): Rearrange arguments to match caller in except.c.
9397 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
9399 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
9400 (builtin_setjmp_setup*, builtin_longjmp): New.
9402 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
9404 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
9406 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
9408 * vmsconfig.com: Remove bytecode references.
9410 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9412 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
9413 -fno-sjlj-exceptions works for a target that defines
9414 DWARF2_UNWIND_INFO as zero.
9416 * regmove.c (fixup_match_1): Undo last change which removed some
9417 "useless" code, and add a comment explaining this.
9419 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
9421 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
9424 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
9426 * makefile.vms: Remove bytecode references.
9427 Create genrtl files.
9429 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
9431 * jump.c (jump_optimize): Allow conditional loading of floating point
9432 constants and constants from memory. Reinstalled modified_in_p tests.
9434 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9436 * loop.c (get_condition): Handle sign-extended constants.
9438 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
9440 * expr.c (emit_push_insn): Add code to use movstrti if present.
9442 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
9443 and movstrqi as in emit_block_move ().
9445 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
9447 * config/m68k/x-next: Remove /NextDeveloper/Headers from
9448 the directories to fixinclude - /usr/include is a link
9449 to it and hence its contents are fixed by default.
9451 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
9453 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
9455 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
9457 * cccp.c (main): Predefine __VMS_VER on VMS.
9459 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9461 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
9462 * fold-const.c (size_int): Replace with
9464 (make_bit_field_ref): Use bitsize_int for bit position.
9465 * stor-layout.c (sizetype): Delete.
9466 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
9467 (layout_record, layout_union, layout_type):
9468 Use bitsize_int for bit size.
9469 (set_sizetype): New function.
9470 (make_signed_type, make_unsigned_type): Use it.
9471 * c-decl.c (init_decl_processing): Likewise.
9472 * tree.h (size_int): Don't delcare, #define.
9473 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
9474 (set_sizetype): Declare.
9475 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
9477 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
9478 Convert result to sizetype.
9479 (really_start_incremental_init, push_init_level):
9480 Set type of constructor_bit_index to sbitsizetype.
9481 (push_init_level): Use unsigned arithmetic to determine padding.
9482 (output_init_element): Likewise.
9484 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
9486 * combine.c (simplify_shift_const): Fix typo in last change.
9488 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
9490 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
9491 is (truncate (lshiftrt)).
9493 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
9495 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
9496 Make sure result winds up in TGT.
9497 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
9498 src to be other than DImode.
9499 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
9500 (alpha_expand_unaligned_store_words): Likewise.
9501 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
9502 that source and destination are separately optimized for alignment.
9503 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
9505 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
9507 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
9508 with handling of -32768.
9510 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9512 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
9513 shell variable argument instead of only hard coded functions.
9514 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
9516 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
9517 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
9518 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
9519 declarations for bcopy, bcmp and bzero.
9521 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
9523 * gansidecl.h: If we have bcopy but don't declare it, then do so.
9524 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
9525 bzero, index and rindex if they aren't already present.
9527 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
9529 * toplev.c (close_dump_file): Wrap function prototype for
9530 argument "func" in PROTO.
9531 (dump_rtl): Likewise.
9533 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
9535 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
9537 (output_function_epilogue): Omit epilogue if nothing drops through.
9538 (output_move_double): Supress int ldd usage on ultrasparc and v9.
9539 (registers_ok_for_ldd_peep): Likewise.
9540 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
9541 (ultrasparc_adjust_cost): New function.
9542 (sparc_issue_rate): New function.
9543 * sparc.h (MASK_VIS, TARGET_VIS): New
9544 (MASK_V8PLUS, TARGET_V8PLUS): New.
9545 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
9546 (TARGET_SWITCHES): Add vis and v8plus.
9547 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
9548 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
9549 (RTX_COSTS): Use TARGET_HARD_MUL
9550 (ADJUST_COST): Call ultrasparc_adjust_cost.
9552 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
9553 of load & fp appropritely.
9554 (supersparc function units): Adjust for Haifa.
9555 (ultrasparc function units): Likewise.
9556 (get_pc_via_rdpc): All v9, not just arch64.
9557 (movdi_v8plus, movdi_v8plus+1): New.
9558 (adddi3_sp32+1): New.
9559 (subdi3_sp32+1): New.
9560 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
9561 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
9562 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
9563 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
9564 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
9565 (ldd peepholes): Suppress for v9.
9566 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
9567 (return_subsi): Revmove.
9569 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
9571 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
9572 save/restore MEM rtl.
9574 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
9576 * configure.in: Check for declaration of abort.
9577 * acconfig.h: Corresponding changes.
9578 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
9581 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
9583 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
9586 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
9588 * version.c: Bump for snapshot.
9590 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
9592 * configure.in: Check for atoq and atoll.
9593 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
9594 proper routine for converting ascii into long long values.
9596 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
9598 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
9600 * vmsconfig.com: Remove bytecode references.
9602 * alpha/vms.h (PREFIX): Define.
9604 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9606 * am-alpha.h: Don't include alloca for OPEN_VMS.
9608 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
9610 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
9611 (GCC_INCLUDE_DIR): Define
9613 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
9614 * makefile.vms: New file.
9616 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
9618 * alpha.c (output_prolog): Output '.name' directive
9619 for minimal traceback information.
9621 * alpha.c (output_prolog): Don't prepend entry point symbols
9622 with '$' on OPEN_VMS.
9624 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
9625 Jeffrey A Law (law@cygnus.com)
9627 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
9630 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
9632 * genemit.c (gen_exp): Likewise.
9633 * genpeep.c (match_rtx): Likewise.
9634 * genrecog.c (write_tree_1): Likewise.
9636 * c-lex.c (yyprint): Use proper format string based upon
9637 disposition of HOST_BITS_PER_WIDE_INT.
9638 (yylex): Put casts in right place for args to build_int_2.
9640 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
9642 * combine.c: Fix typos in Jan27 changes.
9644 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
9646 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
9647 (LINK_SPEC): Likewise.
9648 (STARTFILE_SPEC): Likewise.
9650 1998-01-28 Mike Stump <mrs@wrs.com>
9652 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
9654 * genattrtab.c (reload_completed): Define.
9656 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
9659 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9661 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
9662 SUBREG_REG if the word count is unchanged, also in the input reload
9663 case. Disable non-applicable sanity checks.
9665 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
9667 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
9669 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
9671 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
9673 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
9675 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
9676 is a TREE_VEC before trying to use it for baseclasses.
9677 (Chill uses the same field for a different purpose.)
9679 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
9681 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
9683 * config.sub: More accurate determination of HP processor types.
9685 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9687 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
9688 prototype for `handle_sysv_pragma', and make it static. Add
9689 parentheses around assignment used as truth value.
9691 * combine.c (combine_instructions): Protect variable `prev' with
9693 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
9694 (extract_left_shift): Add parentheses around operand of &.
9695 (merge_outer_ops): Avoid an empty body in an else-statement.
9696 (gen_rtx_combine): Remove unused variable `i'.
9698 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
9699 function monstartup `void'. Likewise for internal_mcount. Add
9700 `static void' prototype for moncontrol. Reconcile sprintf format
9703 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
9704 Make return type of function_arg_slotno explicitly `int'.
9705 (reg_unused_after): Add parentheses around assignment used as
9707 (save_regs): Add explicit braces to avoid ambiguous `else'.
9708 (function_arg_slotno): Add parentheses around && within ||.
9709 (function_arg_pass_by_reference): Likewise.
9710 (sparc_flat_output_function_prologue): Reconcile fprintf format
9713 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9714 assignment used as truth value.
9716 * cplus-dem.c: Include <stdlib.h>.
9717 (demangle_signature): Avoid an empty body in an else-statement.
9718 (do_type): Remove unused variable `lvl'.
9720 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
9721 Include <string.h>/<strings.h>.
9722 (cpp_lex): Remove unused variable `namelen'.
9723 (cpp_lex): Explicitly declare `num_chars' as an int.
9725 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
9726 <unistd.h> instead. Explicitly declare is_system_include
9728 (make_assertion): Remove unused variable `kt'.
9729 (cpp_expand_to_buffer): Hide variable `obuf'.
9730 (output_line_command): Remove unused variables, `line_end',
9731 `line_cmd_buf' and `len'.
9732 (macarg): Remove unused variable `arg_start'.
9733 (special_symbol): Remove unused variable `i'. Add parentheses
9734 around assignment used as truth value.
9735 (do_include): Remove unused variables `pcfname' and `retried',
9736 hide `pcf' and `pcfbuflimit'.
9737 (do_line): Remove unused variable `i'.
9738 (finclude): Hide variable `missing_newline'.
9739 (cpp_handle_options): Remove unused variable `j'.
9740 (read_token_list): Remove unused variable `eofp'.
9741 (cpp_error_with_line): Remove unused variable `i'.
9742 (cpp_warning_with_line): Likewise.
9743 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
9744 (cpp_error_from_errno): Remove unused variable `i'.
9746 * cse.c (invalidate): Add parentheses around assignment used as
9748 (find_best_addr): Move declaration of variable `our_cost' inside
9749 the conditional macro where its used.
9750 (fold_rtx): Avoid an empty body in an if-statement.
9751 (cse_insn): Wrap variables `this_insn_cc0_mode' and
9752 `this_insn_cc0' in macro HAVE_cc0.
9754 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
9755 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
9756 (output_uleb128): Likewise.
9757 (output_sleb128): Likewise.
9758 (output_cfi): Likewise.
9759 (output_call_frame_info): Remove unused variables `j', `fde_size'
9761 (comp_unit_has_inlines): Hide declaration as per rest of file.
9762 (size_of_line_prolog): Correct typo in prototype.
9763 (add_arange): Likewise.
9764 (output_aranges): Likewise.
9765 (add_name_and_src_coords_attributes): Likewise.
9766 (gen_array_type_die): Likewise.
9767 (gen_inlined_subroutine_die): Likewise.
9768 (equate_decl_number_to_die): Remove unused variable `i'.
9769 (print_die): Reconcile format vs. args in fprintf's.
9770 (print_dwarf_line_table): Likewise.
9771 (output_die): Likewise.
9772 (output_line_info): Likewise.
9773 (add_subscript_info): Avoid an empty body in an else-statement.
9774 (gen_subprogram_die): Remove unused variable `fp_loc'.
9776 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
9777 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
9778 macro. Protect `src_coords_attribute' prototype with
9779 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
9780 prototype as in the rest of the file. Likewise for
9781 `output_pointer_type_die' and `output_reference_type_die'. Remove
9782 prototype for `type_of_for_scope'.
9783 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
9784 (type_attribute): Add explicit braces to avoid ambiguous `else'.
9786 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
9787 (shorten_branches): Protect declaration of tmp_length with
9788 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
9789 (profile_function): Protect declaration of `sval' and `cxt'
9790 variables with appropriate macros.
9791 (final_scan_insn): Likewise for `note' variable. Add explicit
9792 braces to avoid empty body in an if-statement.
9793 (output_asm_insn): Move variable `i' inside macro conditional
9794 where it is used. Add parentheses around assignment used as truth
9796 (asm_fprintf) Likewise, likewise.
9798 * fix-header.c (main): Remove unused variable `done'. Protect
9799 declaration of `i' with FIXPROTO_IGNORE_LIST.
9801 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
9803 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
9806 * profile.c: Include <string.h>/<strings.h>.
9807 (instrument_arcs): Remove unused variables `note', `inverted',
9808 `zero' and `neg_one'.
9809 (branch_prob): Avoid empty body in an if-statement.
9811 * regclass.c: Include <stdlib.h>.
9812 (reg_alternate_class): Explicitly declare parameter `regno'.
9814 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
9815 parentheses around assignment used as truth value.
9816 (find_matches): Remove unused variables `output_operand' and
9818 (fixup_match_1): Remove statement with no effect: "if (0) ;".
9820 * scan.c (sstring_append): Explicitly declare `count' as int.
9821 (scan_string): Explicitly declare parameter `init' as int.
9823 * sched.c: Include <stdlib.h>.
9824 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
9825 (rank_for_schedule): Add parentheses around assignment used as
9827 (schedule_block): Likewise.
9828 (regno_use_in): Likewise.
9829 (schedule_insns): Remove unused variable `i'.
9831 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
9832 (v_message_with_decl): Remove unused variable `n'.
9833 (botch): Explicitly declare parameter `s' as char *.
9834 (main): Add parentheses around assignment used as truth value.
9836 * tree.c (make_node): Protect the variable `kind' with the
9837 GATHER_STATISTICS macro.
9838 (real_value_from_int_cst): Move variable `e' inside conditional
9839 macro area where it is used.
9840 (tree_last): Add parentheses around assignment used as truth value.
9841 (build1): Protect the variable `kind' with the GATHER_STATISTICS
9843 (print_obstack_statistics): Reconcile format vs. args in fprintf.
9844 Protect variables `i', `total_nodes', and `total_bytes' with the
9845 GATHER_STATISTICS macro.
9847 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
9849 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
9850 some comments regarding use of dead_or_set_p.
9852 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
9854 * fixincludes: Tweak fix for struct exception in math.h
9856 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
9858 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
9859 Change mode of registers used to add/sub from
9860 hard_frame_pointer_rtx from word_mode to Pmode.
9862 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
9864 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
9865 asm_output_aligned_bss() instead of asm_output_bss().
9867 * toplev.c (rest_of_compilation): Replace references to
9868 stack_reg_dump_file and dbr_sched_dump_file with references to
9871 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9873 * tlink.c (scan_linker_output): Call fclose() for opened files.
9875 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
9877 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
9878 compiling with -fpic -- we want to be able to override symbols
9880 (alpha_expand_block_move): Fix thinko in last change.
9882 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
9883 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
9884 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
9886 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
9888 * alpha.md (abssf, absdf): Revert last change.
9890 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
9892 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
9893 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
9895 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
9897 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
9898 a CONST_INT into SFmode.
9900 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
9902 * flags.h: New flag (optimize_size).
9903 * toplev.c (main): Parse -Os option and set optimize_space
9905 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
9906 __OPTIMIZE_SIZE__ when compiling with -Os.
9907 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
9908 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
9909 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
9911 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
9913 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
9915 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
9916 stuff only if MCT_TEXT is #define'd.
9918 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
9920 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
9923 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
9925 * toplev.c: Add -dM command line option to dump RTL after the
9926 machine dependent reorganisation pass, if there is one.
9927 Reorganise RTL dump code, so that only one file handle is
9930 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
9932 * except.c (check_exception_handler_labels): Disable warning when
9935 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
9937 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
9939 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9941 * c-decl.c (grokdeclarator): Get parameter tags from
9942 last_function_parm_tags.
9943 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
9944 traversing the parameter types.
9945 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
9947 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
9949 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
9951 (get_shift_alg): Fix typo.
9953 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
9955 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
9957 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
9959 * toplev.c (get_run_time): Make sure each case gets its variables.
9961 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
9963 * configure.in (build_xm_file): Add auto-config.h if host=build.
9964 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
9965 (build_xm_file_list): Likewise.
9966 * configure: Rebuild.
9968 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
9970 * recog.c (validate_replace_rtx_1): Only perform substitutions
9971 of arguments to commutative and comparison operators once.
9973 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9975 * sparc.c (output_cbranch): Add default case in
9978 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
9979 (emit_delay_sequence): Eliminate unused parameter, all callers
9981 (fill_simple_delay_slots): Likewise.
9982 (fill_slots_from_thread): Likewise.
9983 (fill_eager_delay_slots): Likewise.
9984 (mark_referenced_resources): Add default case in enumeration switch.
9985 (mark_set_resources): Likewise.
9986 (rare_destination): Likewise.
9987 (mostly_true_jump): Likewise.
9988 (find_dead_or_set_registers): Likewise.
9989 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
9990 (update_reg_unused_notes): Remove unused variable `p'.
9991 (mark_target_live_regs): Remove unused variables `next' and
9993 (fill_simple_delay_slots): Remove unused variable `j'.
9994 (fill_slots_from_thread): Add parentheses around assignment used
9996 (dbr_schedule): Likewise.
9998 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
9999 (objc.stage2, objc.stage3, objc.stage4): Likewise.
10001 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
10003 * cse.c (simplify_ternary_operation): Don't try to simplify
10004 IF_THEN_ELSE expressions (created by combine) that don't use
10005 relational operators.
10007 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
10009 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
10012 * crtstuff.c (init_dummy): Keep the epilogue in the init
10013 section for non-ELF systems.
10015 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10017 * sh.md (movqi_i+1): New peephole.
10019 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
10021 * Makefile.in: Remove remaining bytecode stuff.
10022 * emit-rtl.c, expr.c: Likewise.
10024 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
10026 * toplev.c (lang_options): Add unknown-pragma options.
10028 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
10030 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
10031 special (and incomplete) handling for Chill arrays.
10033 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
10035 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
10038 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
10040 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
10042 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
10044 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
10045 .frame directive instead of FRAME_POINTER_REGNUM.
10047 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
10049 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
10050 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
10051 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
10052 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
10053 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
10054 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
10055 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
10056 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
10058 * longlong.h: Replace __mc68332__ with __mcpu32__.
10060 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
10062 * version.c: Bump for snapshot.
10064 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
10066 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
10067 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
10068 * reload1.c (eliminate_regs): Likewise.
10070 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
10072 * regmove.c (find_matches): Initialize matches->earlyclobber too.
10074 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
10076 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
10077 (negsf2, negdf2): Use proper subtract in IEEE mode.
10079 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
10081 * Makefile.in: Remove more bytecode stuff.
10082 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
10083 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
10084 * f/install.texi, objc/Make-lang.in: Likewise.
10086 * Makefile.in: Remove all bytecode support.
10087 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
10088 * emit-rtl.c: Remove all bytecode support.
10089 * expr.c, expr.h function.c, integrate.c: Likewise.
10090 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
10091 * tree.h, varasm.c: Likewise.
10092 * config/m68k/m68k.h: Likewise.
10093 * bi-*, bc-*, bytecode*: Delete bytecode related files.
10094 * modemap.def: Likewise.
10096 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
10098 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
10099 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
10101 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
10103 * i386.md (push): Prohibit symbolic constants if flag_pic.
10104 (movsi+1): Likewise for move to non-register.
10106 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
10108 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
10109 (print_operand): Handle 0xffffffff on 32 bit host.
10111 * configure.in (thread_file): Rename uses before main loop to
10112 target_thread_file. Initialize to empty in main loop. Set thread_file
10113 to target_thread_file after main loop if not set.
10114 * configure: Rebuild.
10116 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
10117 (add_values_to_cover): Revert last change (which had no ChangeLog
10119 (simplify_with_current_value_aux): Handle CONST_INT.
10121 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10123 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
10125 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
10127 * configure.in: Add cpp stringify test.
10128 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
10129 * gengenrtl.c: Use it.
10130 * configure, config.in: Rebuild.
10132 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10134 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
10136 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
10138 * configure.in: Find declaration for sbrk.
10139 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
10140 * config.in, configure: Rebuild.
10141 * mips-tfile.c: Properly protect declaration of sbrk and free.
10142 * toplev.c: Properly protect declaration of sbrk.
10144 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
10146 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
10148 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
10150 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
10152 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
10154 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
10156 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
10158 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
10159 constant offset computations from objects with known alignment in
10160 the presence of STACK_BIAS.
10162 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
10164 (const_hash): Hash val is unsigned long.
10165 (SYMHASH): Likewise.
10167 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
10169 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
10170 char pointer, not HOST_WIDE_INT.
10171 (print_node): Likewise. Also hash is unsigned long not
10174 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
10176 * explow.c (optimize_save_area_alloca): New function for targets
10177 where SETJMP_VIA_SAVE_AREA is true.
10178 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
10179 compute the amount of stack space needed should we find later that
10180 setjmp is never called by this function, stuff rtl for this inside
10181 a REG_NOTE of the final SET of stack_pointer_rtx.
10182 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
10183 current_function_calls_alloca, call optimize_save_area_alloca.
10185 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
10187 * i386.md: Remove redundant integer push patterns.
10188 Don't bother checking for TARGET_PUSH_MEMORY when
10189 pushing constants or registers.
10191 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
10192 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
10194 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
10195 (pwait): New function for mingw32.
10197 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
10198 pipe support is broken for now.
10200 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
10202 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
10203 between frame_pointer_rtx, hard_frame_pointer_rtx, and
10204 arg_pointer_rtx is respected in initialization.
10205 (init_emit_once): Use gen_rtx_raw_REG() to create
10206 return_address_pointer_rtx.
10208 * reorg.c: #include "expr.h" for rtx prototypes.
10209 * Makefile.in (reorg.o): Depend on expr.h
10211 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
10213 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
10214 local_prefix to sub-make invocations.
10216 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
10218 * objc-parse.c: Recognize protocol qualifiers in class definitions.
10220 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
10222 * rtl.h: Fix typos.
10224 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
10225 * configure.in: Check for atol.
10226 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
10228 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
10230 * loop.c (find_and_verify_loops): When attempting to move insns from
10231 inside the loop outside the loop, create a BARRIER if no suitable
10234 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
10235 favor of an equivalent change from gcc-2.8.
10237 * i386/x-sco5 (CC): Remove trailing whitespace.
10239 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10241 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
10242 (accessor_from_format): Likewise.
10243 (xmalloc): New function for use when linking with alloca.o.
10245 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
10247 * frame.c (find_fde): Correct FDE's upper bound.
10249 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
10251 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
10253 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
10255 * calls.c (expand_call): Move #ifdef code out of macro argument
10257 (emit_library_call, emit_library_call_value): Likewise.
10259 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
10261 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
10263 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
10265 * version.c: Bump for snapshot.
10267 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
10269 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
10270 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
10271 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
10272 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
10273 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
10274 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
10275 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
10276 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
10277 * unroll.c, varasm.c: Likewise.
10278 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
10280 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
10282 * mips.h: Fix some type-o's from a previous change.
10284 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
10286 * loop.c (check_dbra_loop): Make sure initial value is a
10287 CONST_INT before trying to normalize it.
10289 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
10291 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
10293 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
10295 * cppexp.c: Include gansidecl.h
10297 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
10299 * svr4.h (LINK_SPEC): Never specify -h.
10300 * ptx4.h (LINK_SPEC): Likewise.
10301 * rs6000/sysv4.h (LINK_SPEC): Likewise.
10302 * sparc/sol2.h (LINK_SPEC): Likewise.
10304 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
10306 * c-typeck.c (comptypes): Exit early on NULL input.
10308 * haifa-sched.c (schedule_insns): Correctly remove inter-block
10309 dependencies after reload.
10311 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
10313 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
10315 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
10317 * alpha/vms.h (DIR_SEPARATOR): define
10319 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
10321 * Makefile.in (stamp-proto): Remove.
10322 (protoize.o, unprotoize.o): Straightforward compile.
10323 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
10325 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
10327 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
10328 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
10330 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
10332 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
10333 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
10334 * sparc/netbsd.h, vax/netbsd.h: Likewise.
10336 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
10338 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
10340 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
10342 * configure.in (target_cpu_default, target_cpu_default2): Use double
10343 quotes around them when testing their value.
10344 * configure: Rebuilt.
10346 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
10348 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
10350 (gendef): Call obstack_alloc_rtx.
10352 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
10354 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
10357 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
10359 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
10360 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
10361 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
10363 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
10365 * mips.md (return_internal): Change mode from SImode to VOIDmode.
10367 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
10369 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
10372 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
10374 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
10375 suffix from operand 3.
10377 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10378 Jeffrey A Law (law@cygnus.com)
10380 * regmove.c: New implementation of regmove pass.
10381 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
10382 decls, make them have external linkage. Return a value from
10383 optimize_reg_copy_1.
10384 * reload.h (count_occurrences): Add decl.
10385 * reload1.c (count_occurrences): Delete decl, make it have external
10387 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
10389 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
10391 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
10392 if it is not defined.
10394 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
10396 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
10397 * emit-rtl.c (gen_rtx): Move special code to ...
10398 (gen_rtx_CONST_INT): New function.
10399 (gen_rtx_REG): New function.
10400 (*): Update all calls to gen_rtx.
10401 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
10402 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
10403 (GEN_INT): Call gen_rtx_CONST_INT.
10404 * gengenrtl.c: New file.
10406 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
10408 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
10409 (base_alias_check): If no base found for address call canon_rtx and
10412 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
10414 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
10415 arguments for mips16.
10416 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
10417 Don't lose if tsize is zero after handling large stack for mips16.
10418 * mips.md (return): For trivial return, return address is in $31.
10420 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
10422 * mips/mips16.S: Various changes to make it work with -msingle-float
10425 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
10426 Ian Lance Taylor <ian@cygnus.com>
10427 Jeff Law <law@cygnus.com>
10429 * mips.c, mips.h, mips.md: First cut at merging in mips16
10430 support. Major modifications throughout all three files.
10432 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
10434 * configure.in: Make gthr-default.h a forwarding header instead of
10437 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10439 * gcov-io.h: Include sys/types.h to ensure we get size_t.
10441 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
10443 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
10444 Jeffrey A Law (law@cygnus.com)
10446 * crtstuff.c (__frame_dummy): New function for irix6.
10447 (__do_global_ctors): Call __frame_dummy for irix6.
10448 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
10450 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
10452 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
10454 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
10456 * c-decl.c (init_decl_processing): Provide proper fallback symbol
10457 for __builtin_memset.
10458 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
10459 not INTEGER_CST. Assert arg 3 is a constant.
10461 * alpha.c (mode_width_operand): Accept 64-bit modes.
10462 (mode_mask_operand): Likewise.
10463 (print_operand): Likewise for 'M' and 'U' codes.
10464 (alpha_expand_unaligned_load): New function.
10465 (alpha_expand_unaligned_store): Likewise.
10466 (alpha_expand_unaligned_load_words): Likewise.
10467 (alpha_expand_unaligned_store_words): Likewise.
10468 (alpha_expand_block_move): Likewise.
10469 (alpha_expand_block_clear): Likewise.
10470 * alpha.h (MOVE_RATIO): New define.
10471 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
10472 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
10474 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
10475 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
10477 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
10479 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
10480 * configure: Update.
10482 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
10484 * emit-rtl.c (operand_subword): Correctly handle extracting a word
10485 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
10487 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
10488 for first argument.
10490 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
10492 * configure.in: Set and subsitute host_exeext. Use it when creating
10493 the assembler and linker symlinks.
10494 * configure: Rebuild.
10495 * Makefile.in (exeext): Set to @host_exeext@.
10496 (build_exeext): New variable, set to @build_exeext@.
10497 (FLAGS_TO_PASS): Pass down build_exeext.
10498 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
10501 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
10503 * mn10200.md (addsi3, subsi3): Fix thinkos.
10505 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
10507 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
10508 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
10509 unix always, since we want to be able to thunk to functions in a
10510 shared library from an application.
10512 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
10514 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10515 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
10517 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
10519 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
10520 offset's mode is not ptr_mode, convert it.
10522 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
10524 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
10525 compiling if it was already defined.
10527 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
10529 * flow.c (find_basic_blocks): Don't create a new basic block
10530 for calls in a LIBCALL block.
10532 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
10534 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
10536 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
10538 * cse.c (rtx_cost): Remove conflicting default case.
10540 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
10542 * configure.in: Move default enabling of Haifa out of for loop.
10543 * configure: Rebuild.
10545 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
10547 * version.c: Bump for snapshot.
10549 1997-12-25 Teemu Torma <tot@trema.com>
10551 * Makefile.in (GTHREAD_FLAGS): New var.
10552 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
10553 (distclean): Remove gthr-default.h.
10555 * configure.in: Accept dce as a thread package.
10556 Check for thread.h and pthread.h.
10557 Link gthr-default.h to appropriate thread file and set
10559 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
10560 include multilib definitions from pa/t-dce-thr.
10561 (sparc-*-solaris2*): Enable threads by default, if thread.h or
10562 pthread.h is found, preferring posix threads over solaris ones.
10564 * config/pa/t-dce-thr: New file.
10565 * config/pa/t-pa: Removed multilibs.
10566 * config/sparc/t-sol2: Ditto.
10568 * gthr.h: New file.
10569 * gthr-single.h: New file.
10570 * gthr-posix.h: New file.
10571 * gthr-solaris.h: New file.
10572 * gthr-dce.h: New file.
10573 * libgcc-thr.h: Removed.
10574 * objc/thr-dce.c: New file copied from thr-decosf1.c.
10576 * frame.c: Include gthr.h instead of libgcc-thr.h.
10577 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
10578 (eh_context_initialize): If __gthread_once fails, use static eh
10580 (eh_context_free): Call __gthread_key_dtor.
10582 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
10584 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
10586 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
10588 * cse.c (max_insn_uid): New variable.
10589 (cse_around_loop): Use max_insn_uid.
10590 (cse_main): Set max_insn_uid.
10592 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
10593 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
10594 -mlong64, and -mgp{32,64} options.
10595 * mips.c (mips_abi): Change type to int.
10596 * mips.h (enum mips_abi_type): Delete.
10597 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
10598 (mips_abi): Change type to int.
10600 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
10602 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
10603 optimization is now always enabled.
10605 * calls.c (expand_call): Recognize C++ operator new as malloc-like
10608 * alias.c (memrefs_conflict_p): Eliminate tests now done by
10610 (*_dependence): Call canon_rtx before base_alias_check.
10611 (init_alias_once): New function to precompute set of registers which
10612 can hold Pmode function arguments.
10614 * rtl.h: Declare init_alias_once.
10616 * toplev.c (compile_file): Call init_alias_once.
10618 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
10620 * tree.c (restore_tree_status): Do not dereference a null pointer.
10622 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
10624 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
10625 RLIMIT_STACK. This maintains consistency with the recent, similar
10626 patch to cccp.c and toplev.c.
10628 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
10630 * genattrtab.c (expand_units): For large nr opclasses, expand
10631 function_units_used with ORX to prevent blowups. Tag with FFS.
10632 (num_unit_opclasses): New variable.
10633 (gen_unit): Update it.
10634 (enum operator): Add ORX_OP.
10635 (operate_exp): Treat ORX as or, except don't expand across an if.
10636 Reuse number rtx's after operating on them.
10637 (check_attr_value): Accept IOR, AND, & FFS.
10638 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
10639 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
10640 (write_expr_attr_cache, write_toplevel_expr): New functions.
10641 (write_attr_get): Handle FFS-tagged expressions.
10642 (make_canonical): Don't expand const attributes.
10643 (convert_const_symbol_ref): Dike out.
10644 (evaluate_eq_attr): Handle SYMBOL_REF.
10645 (main): Don't emit get_attr_foo for const attributes.
10647 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
10648 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
10649 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
10650 * alpha.md: Redo all of the scheduling, adding EV6 support, and
10651 combining function units where possible.
10652 (attr "type"): Split loads, stores, cmov into int/fp. Combine
10653 multiplies and divides. Add EV6 sqrt, ftoi, itof.
10654 (attr "opsize"): New attribute.
10655 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
10656 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
10657 to control register allocation.
10658 (movsi2-1, movdi2-1): Likewise.
10660 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
10662 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
10663 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
10664 Move OSF/1 specific defines out.
10665 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
10666 Move Linux specific defines out.
10667 (LINK_SPEC): Genericize.
10668 (ASM_FILE_START): Emit .arch if using more than the base insn set.
10669 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
10670 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
10671 (HANDLE_SYSV_PRAGMA): Define.
10672 * alpha/osf.h: New file.
10673 * alpha/linux.h: Split. Retain file-format independant defines.
10674 Import Linux bits from elf.h.
10675 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
10676 (FUNCTION_PROFILER): _mcount takes its address in $28.
10677 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
10678 * alpha/linux-ecoff.h: New file.
10679 * alpha/linux-elf.h: New file.
10680 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
10681 * alpha/win-nt.h (TARGET_DEFAULT): Define.
10682 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
10683 Add new headers as appropriate.
10685 * configure.in (alpha*): Enable Haifa by default.
10686 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
10687 * configure: Rebuild.
10689 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
10691 * Makefile.in (clean): Remove the stages with their objects here ...
10692 (distclean): ... instead of here.
10694 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10696 * cse.c (rtx_cost): Add default case in enumeration switch.
10697 * fix-header.c (recognized_macro): Likewise.
10698 (recognized_extern): Likewise.
10699 (write_rbrac): Likewise.
10700 * objc/objc-act.c (encode_aggregate): Likewise.
10701 (gen_declarator): Likewise.
10702 (gen_declspecs): Likewise.
10704 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
10706 * haifa-sched.c (create_reg_dead_note): Detect and handle another
10707 case where we kill more regs after sched than were killed before
10709 * sched.c (create_reg_dead_note): Similarly.
10711 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
10713 * c-pragma.c: Include flags.h.
10715 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
10717 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
10718 about system headers.
10719 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
10720 and also to resolve symbols in prefix.c.
10722 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
10723 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
10724 when the definitions in auto-config.h is not visible.
10725 (HAVE_BZERO): Likewise.
10726 (HAVE_BCMP): Likewise.
10727 (HAVE_RINDEX): Likewise.
10728 (HAVE_INDEX): Likewise.
10730 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
10732 * pa.c (emit_move_sequence): Handle a function label source
10735 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
10737 * c-pragma.c (handle_pragma_token): Generate warning messages
10738 about unknown pragmas if warn_unknown_pragmas is set.
10740 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
10741 line option to set variable: warn_unknown_pragmas.
10743 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
10745 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
10747 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
10749 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
10751 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
10752 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
10753 generate more fine grained floating point emulation libraries.
10754 * config/fp-bit.c: Add protecting #ifdef to all functions so
10755 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
10756 then compile all suitable functions.
10757 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
10758 underscores to avoid namespace pollution.
10759 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
10761 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10765 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10766 Jeff Law <law@cygnus.com>
10768 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
10769 of the declaration.
10770 * c-decl.c (finish_decl): Use parentheses around && within ||.
10771 * rtl.c: Include stdlib.h.
10772 (read_skip_spaces): Add parentheses around assignments used as
10774 (read_rtx): Initialize list_rtx.
10775 * cppexp.c (parse_number): Use || when operands are truth values.
10776 * alias.c (find_base_value): Add default case.
10777 (memrefs_conflict): Likewise.
10778 * combine.c (sets_function_arg_p): Likewise.
10779 * genemit.c (gen_exp): Likewise.
10780 * local-alloc.c (contains_replace_regs): Likewise.
10781 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
10782 * fold-const.c (fold_convert): Use "&&" for truth values.
10783 (fold): Add default case.
10784 * sdbout.c (sdbout_field_types): Fix typo in declaration.
10785 (sdbout_one_type): Add default case.
10786 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
10787 (some_operand): Add default case.
10788 (input_operand): Likewise.
10789 (signed_comparison_operator): Likewise.
10790 (divmod_operator): Likewise.
10791 (alpha_set_memflags_1): Likewise.
10792 * reload1.c (reload_cse_simplify_operands): Ensure function
10793 always returns a value.
10794 * scan-decls.c (scan_decls): Likewise.
10795 * c-lex.c (skip_white_space): Fix typo in declaraion.
10796 * c-typeck.c (comp_target_types): Add parentheses around assignment
10797 used as truth value.
10798 (print_spelling): Likewise.
10799 (constructor_implicit, constructor_result): Remove unused variables.
10800 * collect2.c (scan_library): Protect prototype with
10801 #ifdef SCAN_LIBRARIES.
10802 * emit-rtl.c (find_line_note): Fix typo in declaration.
10803 * final.c (asm_insn_count): Protect prototype with
10804 #ifdef HAVE_ATTR_length.
10805 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
10806 (try_pre_increment_1, try_pre_increment): Likewise.
10807 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
10808 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
10809 * gcov-io.h (__store_long, __write_long, __read_long): Fix
10810 unsigned/signed comparisons.
10811 * gcov.c (read_files): Remove unused "first_type" variable.
10812 (scan _for_source_files): Initialize s_ptr.
10813 (function_summary): Eliminate "%lf" formatting, use %ld for
10815 (output_data): Initialize branch_probs and last_line_num.
10816 Eliminate "%lf" formatting, use "%ld" for longs.
10818 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
10820 * mips16.S: New file.
10822 * libgcc2.c (varargs): Handle mips16.
10824 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
10826 * stmt.c (expand_end_case): Likewise.
10827 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
10828 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
10829 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
10831 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10833 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
10834 the build directory.
10835 (libobjc.a): Update dependency list.
10836 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
10838 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
10839 (objc.mostlyclean): Remove runtime-info.h.
10841 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
10843 * tree.c (build_range_type): Allow creation of ranges with no maximum.
10844 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
10845 * dwarf2out.c (add_subscript_info): Likewise.
10846 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
10847 * sdbout.c (plain_type_1): Likewise.
10848 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
10850 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
10853 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10855 * mips.c (fatal): Remove declaration.
10857 1997-12-18 Mark Mitchell <mmitchell@usa.net>
10859 * integrate.c (get_label_from_map): New function.
10860 (expand_inline_function): Use it. Initialize the label_map to
10861 NULL_RTX instead of gen_label_rtx.
10862 (copy_rtx_and_substitute): Use get_label_from_map.
10863 * integrate.h (get_label_from_map): New function.
10864 (set_label_from_map): New macro.
10865 * unroll.c (unroll_loop): Use them.
10866 (copy_loop_body): Ditto.
10868 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
10870 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
10871 (INIT_TARGET_OPTABS): Define.
10872 * mips/ecoff.h: Include gofast.h before mips.h.
10873 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
10874 * mips/elf64.h: Likewise.
10875 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
10877 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
10879 * except.c: Remove register_exception_table{,_p}.
10881 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
10883 * unroll.c (calculate_giv_inc): Handle constant increment found in
10884 a MEM with an appropriate REG_EQUAL note.
10886 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
10888 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
10889 frame pointer in the prologue.
10891 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
10893 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
10894 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
10896 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
10898 * config/m68k/m68k.c (output_function_prologue): Typecast
10899 dwarf2out_cfi_label to (char *).
10900 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
10902 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
10904 * sparc.md (jump): Don't use the annul bit around an empty loop.
10905 Patch from Kevin.Kelly@East.Sun.COM.
10907 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
10909 * jump.c: (jump_optimize): Don't use the return register as a
10910 source1 of a conditional move.
10912 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
10914 * sparc.c (DF_MODES): Or the mask not the bit number.
10915 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
10917 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
10919 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
10921 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
10923 * fixincludes (size_t): Add support for Motorola's stdlib.h
10924 which fails to provide a definition for size_t.
10925 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
10926 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
10927 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
10929 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
10930 prevent unresolved externals in libio.
10931 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
10933 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
10935 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
10936 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
10937 (LIB_SPEC): Updated for glibc 2.
10939 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
10941 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
10942 * ginclude/varargs.h: Likewise.
10944 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
10946 * version.c: Bump for snapshot.
10948 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
10950 * frame.h (__register_frame, __register_frame_table,
10951 __deregister_frame): New.
10952 * frame.c (__register_frame, __register_frame_table,
10953 __deregister_frame): New.
10954 * frame.c (__deregister_frame_info): Return void *.
10955 * frame.h (__deregister_frame_info): Ditto.
10956 * collect2.c (__deregister_frame_info): Ditto.
10958 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
10960 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
10962 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
10964 * alpha.c (alpha_cpu_name): New variable.
10965 (alpha_mlat_string): Likewise.
10966 (alpha_memory_latency): Likewise.
10967 (override_options): Handle -mmemory-latency.
10968 (alpha_adjust_cost): Adjust load cost for latency.
10969 * alpha.h (TARGET_OPTIONS): Add meory-latency.
10970 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
10971 TARGET_CIX into account.
10972 (MEMORY_MOVE_COST): Define in terms of memory_latency.
10973 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
10975 * alpha.h (ASM_COMMENT_START): New macro.
10977 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
10979 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
10980 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
10982 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
10983 SUBREG_REG if the word count is unchanged.
10984 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
10985 subregs of identical word size for push_reload.
10987 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
10989 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
10990 if all we're doing is dealing with -Wreturn-type.
10992 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
10994 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
10995 Use and 255 instead of zapnot 1, since it schedules better.
10997 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
10999 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
11002 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
11004 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
11005 dependency we delete. Properly update prev for multiple consecutive
11007 (priority): Skip deleted dependence.
11009 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
11011 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
11013 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
11015 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
11016 determining when a new basic block starts.
11018 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
11020 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
11021 * pa.md (iorsi3): Add missing args to *_operand calls.
11023 * except.c (call_get_eh_context): Don't mess with sequences.
11024 (emit_eh_context): Include the call in the sequence here.
11026 1997-12-11 Paul Eggert <eggert@twinsun.com>
11028 * collect2.c (write_c_file_glob): Allocate initial frame object
11029 in static storage and pass its address.
11031 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
11033 * except.c (call_get_eh_context): Don't take a parm.
11034 Put the call at the top of the function.
11035 (emit_eh_context): Adjust.
11036 (get_eh_context): Replace with former use_eh_context.
11037 (get_eh_context_once, get_saved_pc_ref): Remove.
11038 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
11039 * except.h: Adjust.
11040 * integrate.c (expand_inline_function): Adjust.
11041 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
11043 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
11045 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
11046 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
11048 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
11050 * fixincludes (strlen,strspn,strcspn return value): Handle different
11052 (hypot): Provide a fake for hypot which is broken on
11053 m88k-motorola-sysv3.
11055 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
11057 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
11058 tree_code_name from pointers to arrays.
11059 * tree.c: Remove standard_tree_code_* variables, no longer used.
11060 * print-tree.c: Remove declaration of tree_code_name.
11062 * cp/lex.c (init_lex): Update for tree_code_* changes.
11063 * objc/objc-act.c (init_objc): Likewise.
11065 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
11068 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
11070 * config.sub: Add support for BeOS target.
11071 * configure.in: Likewise.
11072 * ginclude/stdarg.h: Likewise.
11073 * ginclude/stddef.h: Likewise.
11074 * ginclude/varargs.h: Likewise.
11075 * rs6000/beos.h: New file for BeOS.
11076 * rs6000/t-beos: Likewise.
11077 * rs6000/x-beos: Likewise.
11078 * rs6000/xm-beos.h: Likewise.
11079 * toplev.c (get_run_time): Just return 0 on BeOS.
11081 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
11082 Toon Moene (toon@moene.indiv.nluug.nl)
11084 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
11085 old and broken Sun3 assemblers. Newer versions handle large
11086 offsets correctly as does the GNU assembler.
11088 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11090 * objc/objc-act.c (lang_report_error_function): Disable.
11091 * objc/objc-parse.y: Include "output.h".
11092 (yyerror): Remove redundant decl.
11093 (yyprint): Fix prototype.
11094 (apply_args_register_offset): Remove redundant decl.
11095 (get_file_function_name): Likewise.
11097 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
11099 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
11101 (find_basic_blocks_1): Likewise.
11103 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
11105 * except.c (use_eh_context): Don't copy_rtx a REG.
11106 (emit_throw): Lose old unwinder support.
11107 (expand_internal_throw): Likewise.
11108 * libgcc2.c (struct eh_context): Likewise.
11109 (new_eh_context): Likewise.
11110 (__get_eh_info): Lose redundant cast.
11111 (__get_dynamic_handler_chain): Likewise.
11112 (__get_saved_pc): Lose.
11113 Lose all old unwinder support code.
11115 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
11117 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
11119 * integrate.c (expand_inline_function): If the inline fn uses eh
11120 context, make sure that the current fn has one.
11121 * toplev.c (rest_of_compilation): Call emit_eh_context.
11122 * except.c (use_eh_context): New fn.
11123 (get_eh_context_once): New fn.
11124 (call_get_eh_context): New fn.
11125 (emit_eh_context): New fn.
11126 (get_eh_context): Call either get_eh_context_once or
11127 call_get_eh_context, depending on what we have.
11128 (get_dynamic_handler_chain): Call get_eh_context_once.
11129 * except.h: Prototypes for fns above.
11130 * optabs.c (get_eh_context_libfunc): Removed.
11131 (init_optabs): Don't initialize it.
11132 * expr.h (get_eh_context_libfunc): Removed.
11133 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
11134 * config/pa/pa.h (CPP_SPEC): Support for -threads.
11135 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
11136 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
11137 New multilib for -threads.
11138 * config/sparc/t-sol2: Added multilibs for -threads and
11139 made -pthreads alias to it.
11140 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
11141 Added -threads and -pthreads options.
11142 * libgcc-thr.h: New file.
11143 * libgcc2.c: (__get_cpp_eh_context): Removed.
11144 (struct cpp_eh_context): Removed.
11145 (struct eh_context): Replaced cpp_eh_context with generic language
11147 (__get_eh_info): New function.
11148 (__throw): Check eh_context::info.
11149 (__sjthrow): Ditto.
11150 * libgcc2.c: Include libgcc-thr.h.
11151 (new_eh_context, __get_eh_context,
11152 eh_pthread_initialize, eh_context_initialize, eh_context_static,
11153 eh_context_specific, eh_context_free): New functions.
11154 (get_eh_context, eh_context_key): New variables.
11155 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
11156 get_eh_context to get the context.
11157 (longjmp): Move the declaration inside
11158 #ifdef DONT_USE_BUILTIN_SETJMP.
11159 * frame.c: Include libgcc-thr.h.
11160 (object_mutex): Mutex to protect the object list.
11161 (find_fde, __register_frame, __register_frame_table,
11162 __deregister_frame): Hold the lock while accessing objects.
11163 * except.h (get_eh_context): Declare.
11164 * except.c (current_function_ehc): Define.
11165 (current_function_dhc, current_function_dcc): Removed.
11166 (get_eh_context): New function.
11167 (get_dynamic_handler_chain): Use get_eh_context.
11168 (get_saved_pc_ref): Ditto.
11169 (get_dynamic_cleanup_chain): Removed references to
11170 current_function_dcc.
11171 (save_eh_status, restore_eh_status): Save and restore
11172 current_function_ehc instead.
11173 * optabs.c (get_eh_context_libfunc): New variable.
11174 (init_optabs): Initialize it.
11175 * expr.h: Declare get_eh_context_libfunc.
11176 * function.h (struct function): Replaced dhc and dcc with ehc.
11177 * except.c (get_saved_pc_ref): New functions.
11178 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
11179 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
11181 (end_eh_unwinder): Likewise.
11182 (init_eh): Remove initialization of eh_saved_pc.
11183 * optabs.c (get_saved_pc_libfunc): New variable.
11184 (init_optabs): Initialize it.
11185 * expr.h: Declare get_saved_pc_libfunc.
11186 * except.h (eh_saved_pc_rtx): Deleted.
11187 (get_saved_pc_ref): Declared.
11189 From Scott Snyder <snyder@d0sgif.fnal.gov>:
11190 * libgcc2.c (__get_saved_pc): New.
11191 (__eh_type, __eh_pc): Deleted.
11192 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
11193 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
11196 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
11198 * sparc/sol2.h: Use 64 bit multiply and divide functions in
11199 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
11202 * rtl.h (global_rtl): New variable, replacing separate variables for
11204 (const_int_rtx): Now array of rtx_def, not rtx.
11205 * emit-rtl.c: Update for new rtl data structures.
11206 * genattrtab.c: Define global_rtl.
11208 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
11210 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
11213 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
11215 * crtstuff.c (__do_global_ctors): Fix typo.
11217 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
11219 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
11220 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
11222 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
11224 * rs6000.h (FUNCTION_ARG_PADDING): Define.
11225 * rs6000.c (function_arg_padding): New function.
11227 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
11229 * m68k.c: Include tree.h only once.
11231 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11233 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
11235 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
11237 * Partially cleaned up prototyping code from HJ.
11238 * tree.h: Add many prototypes.
11239 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
11240 All references changed.
11241 * rtl.h: Protect from multiple inclusions. Add many prototypes.
11243 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
11245 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
11246 string functions like strlen.
11248 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
11250 * configure.in: Check for functions getrlimit and setrlimit.
11251 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
11252 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
11254 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
11256 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
11258 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
11260 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
11261 Fix merge problems.
11263 * alpha.c (override_options): Don't know about scheduling for EV6.
11264 * alpha.md (ev5 function units): Don't overload as ev6.
11266 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
11267 * alpha.md (define_attr type): Add mvi.
11268 (ev5_e0): Define sceduling parameters for it.
11269 (TARGET_MAX insns): Type is mvi not shift.
11271 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
11273 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
11275 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11277 * cstamp-h, auto-config.h: Delete.
11279 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
11281 * version.c: Bump for snapshot.
11283 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
11285 * cccp.c: Fix typo brought over in merge.
11287 * Merge in changes from gcc-2.8.
11289 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
11291 * m68k.c: Include tree.h for dwarf2out_cfi_label.
11293 * gcc.c (process_command): Do not take address of function fatal when
11294 calling lang_specific_driver.
11296 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
11298 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
11299 doesn't work with it yet, so set it to 0.
11300 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
11302 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
11304 * cse.c (cse_insn): Check for invalid entries when taking references.
11306 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11308 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
11309 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
11310 * toplev.c (rest_of_compilation): Pass it. Remove code to
11311 save / clear / restore flag_unroll_{,all_}loops.
11313 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
11315 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
11317 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
11319 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
11321 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
11323 * except.c (get_dynamic_handler_chain): Only make the call once per
11326 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
11328 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11330 * sh.c (final_prescan_insn): Use local label prefix
11331 when emitting .uses pseudo-ops.
11333 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
11335 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
11336 * except.c: Lose outer_context_label_stack.
11337 (expand_eh_region_end): Rethrow from outer_context here.
11338 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
11339 (expand_internal_throw): Take no args.
11340 (expand_internal_throw_indirect): Lose.
11341 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
11342 (expand_start_all_catch): Start a rethrow region.
11343 (expand_end_all_catch): End it.
11344 (expand_rethrow): New fn.
11345 * except.h: Reflect above changes.
11346 * flow.c: Revert change of Nov 27.
11348 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
11350 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
11352 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
11354 * except.c (expand_fixup_region_end): New fn.
11355 (expand_fixup_region_start): Likewise.
11356 (expand_eh_region_start_tree): Store cleanup into finalization here.
11357 * stmt.c (expand_cleanups): Use them to protect fixups.
11359 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
11361 * mips/mips.md (muldi3_r4000): Broaden the output template
11362 and attribute assignments to handle three operand dmult;
11363 rename to muldi3_internal2.
11364 (muldi3): Call the new muldi3_internal2 for R4000, and
11365 any GENERATE_MULT3 chip.
11367 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
11369 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
11371 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
11373 * unroll.c (find_splittable_givs): Remove last change. Handle givs
11374 with a dest_reg that was created by loop.
11376 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
11378 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
11380 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
11382 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
11384 * configure.in: Fix NCR entries.
11386 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
11388 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
11389 nested exceptions correctly.
11391 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
11392 that was created by loop.
11394 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
11396 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
11398 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
11400 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
11402 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
11403 (print_operand): Use SMALL_DATA_REG for the register involved in
11404 small data relocations.
11405 (print_operand_address): Ditto.
11407 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
11408 -dynamic linker is not used.
11410 * rs6000.md (call insns): For local calls, use @local suffix under
11411 System V. Don't use @plt under Solaris.
11413 * rs6000.c (output_function_profiler): Put label address in r0, and
11414 store LR in 4(sp) for System V/eabi.
11416 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
11417 byte boundary, and maintain stack backchain.
11419 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
11421 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
11422 fix_truncsfdi2): Change *.
11424 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
11426 * toplev.c (main): Complain about -gdwarfn.
11428 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
11430 * dwarfout.c (output_type): If finalizing, write out nested types
11431 of types we've already written.
11433 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
11435 (patches originally from Geoffrey Keating)
11436 * rs6000.c (function_arg): Excess floating point arguments don't
11437 go into GPR registers after exhausting FP registers under the
11439 (function_arg_partial_nregs): Ditto.
11441 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
11444 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
11446 * integrate.c (output_inline_function): Just unset DECL_INLINE.
11448 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
11450 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
11453 * libgcc2.c (__throw): Initialize HANDLER.
11455 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
11457 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
11458 fix_truncsfdi2): Change *X to ?*X.
11460 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
11462 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
11464 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
11466 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
11468 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
11470 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
11472 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
11474 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
11475 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
11476 * expr.h: Likewise.
11478 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
11480 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
11481 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
11482 gas and not using the new HP assembler.
11484 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
11486 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
11487 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
11489 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
11491 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
11492 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
11495 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
11497 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
11499 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
11501 * except.h: Add outer_context_label_stack.
11502 * except.c: Likewise.
11503 (expand_start_all_catch): Push the outer_context for the try block
11504 onto outer_context_label_stack.
11505 (expand_end_all_catch): Use it and pop it.
11507 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
11509 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
11511 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
11513 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
11515 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
11517 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
11518 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
11520 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
11522 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
11523 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
11524 __builtin_delete, and __builtin_vec_delete.
11526 * except.c (output_exception_table): Don't bother with
11529 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
11531 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
11532 is an in/out operand.
11533 (zero extended variants of stwm/stwm patterns): Similarly.
11535 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
11537 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
11539 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
11541 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
11542 (output_call_frame_info): Emit a \n after using it.
11544 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
11546 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
11548 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
11550 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
11551 (ASM_OUTPUT_DWARF_VALUE4): New macro.
11552 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
11554 (output_call_frame_info): Do not output forward label differences
11555 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
11556 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
11558 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11560 * sh.md (attribute "type"): Add nil.
11561 (movsi_ie): y/y alternative is type nil.
11562 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
11564 (movsf_ie+1): Delete.
11566 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
11568 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
11569 large_int, emit two insns instead of one splitable insn.
11570 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
11571 from cfa_temp_value, use cfa_offset. Add assert checking that
11574 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
11576 * cccp.c (deps_output): Properly quote file names for make.
11578 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
11580 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
11582 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
11584 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
11586 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
11588 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
11590 (cse_end_of_basic_block): Similarly.
11592 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
11594 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
11595 (SELECT_RTX_SECTION): Define.
11596 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
11598 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
11600 * Makefile.in (compare, compare-lean): Define $stage for each
11602 (gnucompare, gnucompare-lean): Likewise.
11604 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
11606 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
11608 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
11609 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
11611 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
11613 * dwarfout.c (byte_size_attribute): Add local var upper_bound
11614 and add case to handle STRING_TYPE.
11615 * dwarfout.c (output_string_type_die): Fix code to generate
11616 correct string length attribute for fixed length strings.
11617 Still needs support for varying length strings.
11619 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
11621 * toplev.c (get_run_time): Do something sensible for cygwin32.
11623 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
11625 * expr.c (expand_builtin_setjmp): Set
11626 current_function_has_nonlocal_label.
11627 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
11628 call-saved registers across calls.
11630 * alpha.md (exception_receiver): Remove.
11631 (nonlocal_goto_receiver_osf): New
11632 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
11633 (nonlocal_goto_receiver): New, select _osf or _vms.
11635 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
11636 keep them from being propogated to the object file.
11637 (alpha_write_linkage): Likewise.
11638 * alpha.md (call_vms): Likewise.
11639 (call_value_vms): Likewise.
11640 (unnamed osf call insns): Likewise.
11642 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
11643 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11645 * alpha.c (call_operand): Any reg is valid for WinNT.
11646 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
11647 (anon nt calls): Add 'R' alternative.
11648 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
11649 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
11651 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
11653 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
11655 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
11656 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
11657 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
11659 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
11661 * reload1.c (new_spill_reg): Improve fixed or forbidden register
11662 spill error message.
11664 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11666 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
11667 use varargs.h. Wrap header with <>, not "".
11669 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
11671 * integrate.c (save_for_inline_copying): Add return value from
11674 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
11676 * fixincludes: Be a little more restrictive on what we will
11677 substitute to replace definitions of MAXINT for HPUX.
11679 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
11681 * dbxout.c (dbxout_symbol_location): Don't assume that variables
11682 whose address is the stack or argument pointers are indirect
11685 1997-11-13 Paul Eggert <eggert@twinsun.com>
11687 * cccp.c, cpplib.c (compare_defs):
11688 Don't complain about arg name respellings unless pedantic.
11689 * cpplib.c (compare_defs): Accept pfile as new arg.
11690 All callers changed.
11692 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11694 * fold-const.c (fold_truthop): Fix bug in last change.
11696 1997-11-13 Paul Eggert <eggert@twinsun.com>
11698 Fix some confusion with IEEE minus zero.
11700 * real.h (REAL_VALUES_IDENTICAL): New macro.
11702 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
11703 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
11705 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
11706 same tree structure as 0.0.
11708 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
11709 macro instead of doing it by hand.
11711 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
11713 * v850/lib1funcs.asm: Minor whitespace changes.
11714 * v850.c: Fix minor formatting problems in many places.
11715 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
11717 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
11719 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
11720 xplus1 when xplus0 is not a register.
11722 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
11724 * flow.c (find_basic_blocks): During marking phase, if we encounter
11725 an insn with a REG_LABEL note, make the target block live and
11726 create an edge from the insn to the target block. Do not make
11727 edges from all blocks to the target block.
11729 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
11731 * confiugre.in: Tweak NCR entries.
11732 * configure: Rebuilt.
11734 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
11736 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
11737 pick apart floating point values, instead of using CONST_DOUBLE_LOW
11738 and CONST_DOUBLE_HIGH.
11740 * rs6000.md (define_splits for DF constants): Use the appropriate
11741 REAL_VALUE_* interface to pick apart DF floating point constants in
11742 a machine independent fashion.
11744 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11746 * fold-const.c (fold_truthop): When changing a one-bit comparison
11747 against zero into a comparison against mask, do a proper sign
11750 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
11752 * except.c: Do not include "assert.h".
11753 (save_eh_status): Turn asserts into conditional aborts.
11754 (restore_eh_status, scan_region): Likewise.
11755 * dwarfout.c: Do not include "assert.h".
11756 (bit_offset_attribute): Turn asserts into conditional aborts.
11757 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
11758 (output_inlined_structure_type_die): Likewise.
11759 (output_inlined_union_type_die): Likewise
11760 (output_tagged_type_instantiation): Likewise.
11761 (dwarfout_file_scope_decl): Likewise.
11762 * dwarf2out.c: Do not include "assert.h"
11763 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
11764 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
11765 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
11766 (add_bit_size_attribute, scope_die_for): Likewise.
11767 (output_pending_types_for_scope): Likewise.
11768 (get_inlined_enumeration_type_die): Likewise.
11769 (get_inlined_structure_type_die): Likewise.
11770 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
11771 (gen_tagged_type_instantiation_die): Likewise.
11773 * flow.c (find_basic_blocks): Refine further to get a more correct
11774 cfg, especially in the presense of exception handling, computed
11775 gotos, and other non-trivial cases. Call abort if an inaccuracy
11776 is detected in the cfg.
11778 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11780 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
11782 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
11783 (skip_white_space): Use whitespace_cr.
11784 (check_newline): Handle whitespace more consistently.
11786 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
11788 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
11789 * i386/xm-cygwin32.h (POSIX): Define.
11791 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
11793 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
11794 is available elsewhere.
11796 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
11798 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
11799 what the instruction can handle.
11801 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
11803 * stmt.c (expand_decl_cleanup_no_eh): New fn.
11805 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
11807 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
11809 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
11810 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
11812 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
11814 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
11815 swap instruction order.
11817 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
11819 * fixinc.svr4 (__STDC__): Add another case.
11821 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11823 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
11824 addresses in the epilogue delay slot.
11826 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
11828 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
11829 in generated `specs' file.
11831 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
11833 * flags.h (flag_rerun_loop_opt): Declare.
11834 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
11835 * toplev.c (flag_rerum_loop_opt): Delete static.
11837 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11839 Bring over from FSF:
11841 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11843 * va-sh.h (__va_arg_sh1): Define.
11845 SH3E doesn't use any integer registers for subsequent arguments
11846 once a non-float value was passed in the stack.
11847 * sh.c (machine_dependent_reorg): If optimizing, put explicit
11848 alignment in front label for ADDR_DIFF_VEC.
11849 * sh.h (PASS_IN_REG_P): Fix SH3E case.
11850 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
11852 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11854 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
11857 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11859 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
11860 put an use_sfunc_addr before each sfunc.
11861 * sh.md (use_sfunc_addr, dummy_jump): New insns.
11862 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
11864 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11866 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
11868 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
11870 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
11873 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
11875 * alias.c (find_base_value): Only return the known base value for
11878 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
11880 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
11881 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
11883 (prologue_get_pc_and_set_got): New pattern.
11885 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
11887 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
11888 for SUBREG, just fall through.
11890 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
11892 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
11894 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
11896 * fixincludes: Fix "hypot" prototype in NeXT math.h.
11898 * Makefile.in (USE_ALLOCA): Always include alloca.o.
11899 (USE_HOST_ALLOCA): Likewise.
11901 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
11902 and LABEL_REFS fields.
11903 * rtl.h (LABEL_REFS): Update.
11905 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
11907 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
11908 sets i2dest. When calling distribute_notes for i3dest_killed, pass
11909 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
11912 * mips.md (insv, extzv, extv): Add change_address call.
11913 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
11915 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
11917 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
11919 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
11920 save_restore_insns if no FP and GP will be restored.
11922 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
11923 Convert CCmode to word_mode before calling GET_MODE_SIZE.
11925 * acconfig.h (HAVE_INTTYPES_H): Undef.
11926 * configure.in (inttypes.h): Check for conflicts between sys/types.h
11927 and inttypes.h, and verify that intmax_t is defined.
11928 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
11929 * config/mips/x-iris3: Likewise.
11931 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
11933 * alias.c (find_base_value): When copying arguments, return the
11934 tenative value for a hard register.
11936 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
11938 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
11939 (yylex): Record wide strings using target endianness, not host.
11941 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
11943 * mn10200.h (ASM_OUTPUT_BSS): Delete.
11944 (ASM_OUTPUT_ALIGNED_BSS): New macro
11945 * mn10300.h (ASM_OUTPUT_BSS): Delete.
11946 (ASM_OUTPUT_ALIGNED_BSS): New macro.
11947 * v850.h (ASM_OUTPUT_BSS): Delete.
11948 (ASM_OUTPUT_ALIGNED_BSS): New macro.
11950 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11952 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
11954 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
11956 * configure.in (sco5): Use cpio to install header files.
11958 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
11960 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
11962 * configure: Rebuild.
11964 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
11966 * i386/sco5.h: enable -gstabs once again.
11968 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
11970 * arm.c (output_move_double): Allocate 3 entries in otherops array.
11972 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
11974 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
11975 notes for sjlj exceptions too.
11976 (expand_eh_region_end): Similarly for EH_REGION_END notes.
11977 (exception_optimize): Optimize EH regions for sjlj exceptions too.
11978 * final.c (final_scan_insn): Don't output labels for EH REGION
11979 notes if doing sjlj exceptions.
11981 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
11983 * alias.c (init_alias_analysis): Handle -fno-alias-check when
11984 optimizing correctly.
11986 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
11987 or set current_function_calls_setjmp anymore.
11989 * flow.c (find_basic_blocks): If we delete the label for an
11990 exception handler, remove it from the EH label list and remove
11991 the EH_BEGIN/EH_END notes for that EH region.
11993 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
11995 * flow.c (find_basic_blocks): Generate correct flow control
11996 information when exception handling notes are present.
11998 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
12000 * dwarf2out.c (output_call_frame_info): Fix length argument
12001 to ASM_OUTPUT_ASCII.
12002 (output_die, output_pubnames, output_line_info): Likewise.
12004 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
12006 * version.c: Bump for snapshot.
12008 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
12009 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
12010 flag_debug_asm is on.
12011 (output_die, output_pubnames, output_line_info): Likewise.
12013 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
12014 and static_chain_rtx into the potential base values array if
12015 they are registers.
12017 * alias.c (new_reg_base_value): New array of potential base values.
12018 (unique_id): Now file scoped static.
12019 (find_base_value, case REG): Return the value in reg_base_value
12020 array for the REG if it exists. Else, return the value from
12021 new_reg_base_value if copying args and REG is a hard register.
12022 (find_base_value, case PLUS): If either operand of the PLUS is
12023 a REG, try to get its base value. Handle base + index and
12025 (record_set): Use new_reg_base_value instead of reg_base_value.
12026 (init_alias_analysis): Allocate space for new_reg_base_value too.
12027 Rework code to iterate over the insns propagating base value
12028 information until nothing changes.
12030 * global.c (global_alloc): Free the conflict matrix after
12031 reload has finished.
12033 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
12035 * libgcc2.c (L_eh): Define __eh_pc.
12036 Replace __eh_type with generic pointer __eh_info.
12038 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
12040 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
12041 use copy_to_reg if address is not a general_operand.
12043 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12045 * profile.c (output_func_start_profiler): Clear flag_inline_functions
12046 for the duration of the call to rest_of_compilation.
12048 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
12050 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
12052 (sparc*-*-*): Recognize --with-cpu=v9.
12053 * sparc/elf.h: New file.
12054 * sparc/t-elf: New file.
12056 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
12058 * mn10300.c (const_8bit_operand): New function.
12059 (mask_ok_for_mem_btst): New funtion.
12060 * mn10300.md (btst patterns with mem operands): Use new functions
12061 to avoid creating btst instructions with invalid operands.
12063 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
12065 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
12066 are running on PowerPC Linux.
12068 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
12070 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
12071 if not previously defined.
12073 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
12075 * function.c (assign_parms): Correct mode of stack_parm if
12076 entry_parm underwent a mode conversion.
12078 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
12080 * global.c (global_alloc): Use xmalloc instead of alloca for
12081 CONFLICTS, since max_allocno * allocno_row_words alone can be more
12082 than 2.5Mb sometimes.
12084 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
12086 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
12087 DEST for the spill, adjust mode of SRC to compensate.
12089 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
12091 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
12092 since any_memory_operand() allows pseudos during reload.
12093 (reload_inhi, reload_outqi, reload_outhi): Likewise.
12095 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
12097 * m68k.md (btst patterns): Add 5200 support.
12099 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
12101 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
12102 optimizations, look inside dividend to determine if the expression
12103 can be simplified by using EXACT_DIV_EXPR.
12105 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
12108 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
12110 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
12112 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
12114 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
12116 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
12119 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
12121 * alpha.md (movqi, movhi): Make sure new insns created during reload
12122 won't need reloading themselves.
12123 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
12125 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
12127 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
12129 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
12131 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
12132 Patch from Klaus Kaempf <kkaempf@progis.de>.
12134 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
12136 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
12137 to an element in a constant string.
12139 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
12141 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
12142 bit PC-relative offset. The exception range table pointer is now in
12144 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
12145 (count_fdes, add_fdes, get_cie): Adjust.
12146 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
12149 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
12151 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
12153 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
12154 like stack_pointer_rtx.
12156 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
12158 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
12159 targets using "$@" to provide support for similar but not identical
12160 targets without having to duplicate code.
12161 (bootstrap4): New goal.
12163 * Makefile.in (compare, compare-lean, compare3): Combined to one
12164 ruleset determining actions to be performed via $@.
12165 (compare4, compare4-lean): New targets.
12166 (gnucompare, gnucompare3): Combined to one ruleset determining
12167 actions to be performed via $@. Also, note which files failed
12168 the comparison test in .bad_compare.
12169 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
12171 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
12173 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
12174 if the dividend is a multiple of the divisor.
12176 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
12178 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
12180 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
12183 * alias.c (true_dependence): Fix typo.
12185 * toplev.c (flag_rerun_loop_opt): New variable.
12186 (f_options): Handle -frerun-loop-opt.
12187 (rest_of_compilation): If -frerun-loop-opt, then run the loop
12189 (main): Enable -frerun-loop-opt by default for -O2 or greater.
12191 * loop.c (simplify_giv_expr): Adding two invariants results
12194 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
12196 * expr.c (get_inner_reference): Remove the array bias after
12197 converting the index to Pmode.
12199 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
12201 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
12202 (TARGET_MULT_BUG): Define.
12203 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
12204 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
12206 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
12208 * mn10200.c (indirect_memory_operand): Delete unused function.
12209 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
12210 * mn10200.md (bset, bclr insns): Handle output in a reg too.
12212 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
12214 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
12215 the callee's ldgp, we must do it ourselves, and we use the jsr tag
12216 for more than scheduling.
12218 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
12220 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
12222 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
12224 * mn10300.c (symbolic_operand, legitimize_address): New functions.
12225 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
12226 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
12228 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
12230 * version.c: Bump for snapshot.
12232 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12234 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
12237 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
12239 * toplev.c (flag_exceptions): Default value is 2.
12240 (compile_file): If flag_exceptions still has the value 2, then
12243 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
12244 (rs6000_save_machine_status): Save pic_offset_table_rtx.
12245 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
12247 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
12250 * rs6000.md (*movsi_got_internal_mem): New pattern.
12251 (*movsi_got_internal_mem splitter): New define_split.
12253 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
12255 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
12257 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
12259 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
12260 only need to save LR.
12262 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
12264 * mn10300.md (movqi, movhi): Avoid using address registers as
12265 destinations unless absolutely necessary.
12267 * mn10200.c (expand_prologue): Fix typo.
12269 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
12271 * mn10200.md (neghi2): Provide an alternative which works if
12272 the input and output register are the same.
12274 * mn10300.c (print_operand): Handle 'S'.
12275 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
12276 shift amount in last alternative
12278 * mn10300.c (expand_epilogue): Rework to handle register restores
12279 in "ret" and "retf" instructions correctly.
12281 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
12283 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
12284 extzv for memory operands.
12286 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
12287 redundant conditional moves to single operand.
12289 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
12291 * v850.h: Move define of __v850__ from CPP_PREDEFINES
12294 * xm-v850.h: Use __v850 rather than __v850__ to
12295 identify v850 port.
12297 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
12299 * mips/mips.c (compute_frame_size): Not a leaf function if
12302 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
12304 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
12306 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
12308 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
12309 (DEFAULT_ARCH32_P): New macro.
12310 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
12311 (enum cmodel): Declare.
12312 (sparc_cmodel_string,sparc_cmodel): Declare.
12313 (SPARC_DEFAULT_CMODEL): Provide default.
12314 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
12315 (TARGET_FULLANY): Deleted.
12316 (TARGET_CM_MEDMID): New macro.
12317 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
12318 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
12319 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
12320 (CPP_SPEC): Rewrite.
12321 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
12322 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
12323 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
12324 (ASM_SPEC): Add %(asm_arch).
12325 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
12326 Rename asm_default to asm_cpu_default.
12327 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
12328 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
12329 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
12330 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
12331 (MASK_INT64,MASK_LONG64): Delete.
12332 (MASK_ARCH64): Renamed to MASK_64BIT.
12333 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
12334 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
12335 (TARGET_SWITCHES): Always provide 64 bit options.
12336 (ARCH64_SWITCHES): Delete.
12337 (TARGET_OPTIONS): New option -mcmodel=.
12338 (INT_TYPE_SIZE): Always 32.
12339 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
12340 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
12341 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
12342 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
12343 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
12345 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12346 * sparc/linux.h: Likewise.
12347 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
12348 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
12349 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
12350 (SPARC_DEFAULT_CMODEL): Define.
12351 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
12352 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12353 (LONG_DOUBLE_TYPE_SIZE): Define.
12354 (ASM_SPEC): Add %(asm_arch).
12355 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
12356 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12357 (TARGET_CPU_DEFAULT): Add ultrasparc case.
12358 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
12359 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
12360 (SPARC_DEFAULT_CMODEL): Define.
12361 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
12362 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
12363 MASK_LONG64, MASK_MEDANY.
12364 (SPARC_DEFAULT_CMODEL): Define.
12365 (CPP_PREDEFINES): Delete.
12366 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
12367 (ASM_SPEC): Add %(asm_arch).
12368 (LONG_DOUBLE_TYPE_SIZE): Define.
12369 (DWARF2_DEBUGGING_INFO): Define.
12370 * sparc/splet.h (CPP_SPEC): Delete.
12371 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
12372 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
12373 (BLOCK_PROFILER): Likewise.
12374 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
12375 (sparc_override_options): Handle code model selection.
12376 (sparc_init_expanders): Renamed from sparc64_init_expanders.
12377 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
12378 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
12379 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
12380 (sethi_di_fullany): Delete.
12382 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
12383 Jeff Law <law@cygnus.com>
12384 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12386 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
12387 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
12388 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
12389 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
12390 * alpha/alpha.md (arg_home): Likewise.
12392 * alpha/alpha.c (vmskrunch): Delete
12393 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
12394 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
12395 truncate to 64 characters.
12397 * make-l2.com: Support openVMS/Alpha.
12399 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
12401 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12403 * longlong.h (count_leading_zeros): Add missing casts to USItype.
12405 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
12407 * i386/bsd386.h (ASM_COMMENT_START): Define.
12409 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
12411 * tree.c (restore_tree_status): Also free up temporary storage
12412 when we finish a toplevel function.
12413 (dump_tree_statistics): Print stats for backend obstacks.
12415 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
12417 * expr.c (use_group_regs): Don't call use_reg for MEMs.
12419 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
12421 * libgcc2.c (__throw): Don't copy the return address.
12422 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
12424 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
12425 * toplev.c (main): Initialize exceptions_via_longjmp.
12427 * tree.c: Add extra_inline_obstacks.
12428 (save_tree_status): Use it.
12429 (restore_tree_status): If this is a toplevel inline obstack and we
12430 didn't want to save anything on it, recycle it.
12431 (print_inline_obstack_statistics): New fn.
12432 * function.c (pop_function_context_from): Pass context to
12433 restore_tree_status.
12434 * obstack.h (obstack_empty_p): New macro.
12436 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
12438 * i386/freebsd.h (ASM_COMMENT_START): Fix.
12440 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
12442 * v850.c (ep_memory_offset): New function.
12443 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
12445 * v850.h (CONST_OK_FOR_*): Add and correct comments.
12446 (CONSTANT_ADDRESS_P): Add comment.
12447 (EXTRA_CONSTRAINT): Define 'U'.
12448 * v850.md: Add comments on bit field instructions.
12449 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
12450 (lshrsi3): Use N not J constraint.
12452 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
12454 * v850.c (reg_or_0_operand): Call register_operand.
12455 (reg_or_int5_operand): Likewise.
12456 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
12457 (TARGET_SWITCHES): Add "big-switch".
12458 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
12459 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
12460 (CASE_DROPS_THROUGH): Comment out.
12461 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
12462 * v850.md (cmpsi): Delete compare mode.
12463 (casesi): New pattern.
12465 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
12466 * v850.md (ashlsi3): Use SImode not QImode for shift count.
12467 (lshrsi3): Likewise.
12469 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
12470 unreachable switch statement after 'b' support. Remove "b" from
12471 strings for 'b' support.
12472 * v850.md (branch_normal, branch_invert): Change %b to b%b.
12474 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
12476 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
12477 empty line if @inhibit_libc@ is empty.
12479 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
12481 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
12482 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
12483 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
12484 (DWARF2_UNWIND_INFO): Let this track object file format.
12485 (EXTRA_SECTIONS): Add in_eh.
12486 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
12487 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
12489 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
12491 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
12492 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
12494 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
12495 (output_double_int): Output DI mode values correctly when
12496 HOST_BITS_PER_WIDE_INT is 64.
12497 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
12498 fmovd so it works if a quad float ends up in one of the upper 32
12500 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
12501 necessary for PIC support on sparc64.
12503 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
12505 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
12506 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
12507 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
12508 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
12509 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
12510 (SPARC_FP_ARG_FIRST): New macro.
12511 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
12512 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
12513 (NPARM_REGS): There are 32 fp argument registers now.
12514 (FUNCTION_ARG_REGNO_P): Likewise.
12515 (FIRST_PARM_OFFSET): Update to new v9 abi.
12516 (REG_PARM_STACK_SPACE): Define for arch64.
12517 (enum sparc_arg_class): Delete.
12518 (sparc_arg_count,sparc_n_named_args): Delete.
12519 (struct sparc_args): Redefine and use for arch32 as well as arch64.
12520 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
12521 (FUNCTION_ARG_ADVANCE): Rewrite.
12522 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
12523 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
12524 (FUNCTION_ARG_CALLEE_COPIES): Delete.
12525 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
12526 (STRICT_ARGUMENT_NAMING): Define.
12527 (doublemove_string): Declare.
12528 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
12529 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
12530 (doublemove_string): New function.
12531 (output_move_quad): Clean up some of the arch64 support.
12532 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
12533 Don't add 8 bytes of reserved space if arch64.
12534 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
12535 (init_cumulative_args): New function.
12536 (function_arg_slotno): New static function.
12537 (function_arg,function_arg_partial_nregs): New functions.
12538 (function_arg_{pass_by_reference,advance}): New functions.
12539 (function_arg_padding): New function.
12540 * ginclude/va-sparc.h: Rewrite v9 support.
12542 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
12544 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
12545 for hard regs to determine base and index registers.
12547 * reload.c (debug_reload_to_stream): New function. Specify stream
12548 into which to write debug info.
12549 (debug_reload): Modify to call debug_reload_to_stream with stderr.
12551 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
12553 * combine.c (can_combine_p): Don't combine with an asm whose
12554 output is a hard register.
12556 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
12558 * c-decl.c (start_struct): Ensure that structs with forward
12559 declarations are in fact packed when -fpack-struct is given.
12561 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
12562 we are packing a structure. This allows a structure with only
12563 bytes to be aligned on a byte boundary and have no padding on a
12566 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12568 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
12570 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
12572 * alpha.c (alpha_return_addr_rtx): New variable.
12573 (alpha_save_machine_status): New; save it.
12574 (alpha_restore_machine_status): New; restore it.
12575 (alpha_init_expanders): New; clear it.
12576 (alpha_return_addr): New; set it.
12577 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
12578 is overly conservative, so search the insns explicitly.
12579 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
12580 (alpha_sa_size [VMS && !VMS]): Likewise.
12581 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
12582 (INIT_EXPANDERS): New definition.
12584 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
12585 (output_prolog [!VMS]): Use them.
12587 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
12588 (alpha_does_function_need_gp): ... a new function. Refine the
12589 CALL_INSN test to just TYPE_JSR.
12590 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
12592 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
12594 * version.c: Bump for snapshot.
12596 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12598 * pa.c (move_operand): Respect -mdisable-indexing.
12599 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
12601 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
12603 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
12605 (umulsidi3,umulsi3_highpart): Ditto.
12606 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
12608 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
12610 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
12611 (alpha_handle_trap_shadows): ... a new function. Handle the entire
12612 function in one go. Emit RTL for trapb, instead of printf directly.
12613 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
12614 (trap_pending): Kill global variable.
12615 (output_epilog): Don't call final_prescan_insn.
12616 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
12617 * alpha.h (FINAL_PRESCAN_INSN): Remove.
12618 (MACHINE_DEPENENT_REORG): Define.
12619 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
12622 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
12624 Tune Haifa scheduler for Alpha:
12625 * alpha.h (ISSUE_RATE): Define.
12626 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
12627 EV4 adjustments to EV5.
12628 * alpha.md: Remove all scaling from function unit delays. Rework
12629 EV5 function units to match the CPU.
12630 (umuldi3_highpart): EV5 added the IMULH insn class.
12632 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
12634 * pa.c (following_call): Fail if the CALL_INSN is an indirect
12637 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
12639 * cplus-dem.c (demangle_signature): Don't look for return types on
12640 constructors. Handle member template constructors.
12642 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
12644 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
12645 * tree.h: Declare them.
12647 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
12649 * configure.in: Handle --with-newlib.
12650 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
12652 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
12654 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
12656 * config/ptx4.h: Fix typo.
12658 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
12660 * version.c: Bump for snapshot.
12662 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
12664 * aclocal.m4: Substitute INSTALL.
12665 * configure: Re-built.
12667 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
12669 * integrate.c (save_for_inline_copying): Avoid undefined pointer
12671 (expand_inline_function): Likewise.
12673 * dwarf2out.c (output_call_frame_info): Reinstate last change
12674 using flag_debug_asm check instead of flag_verbose_asm.
12676 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
12678 * dwarf2out.c (output_call_frame_info): Remove last change.
12680 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12682 * frame.c (__frame_state_for): Execute the FDE insns until the
12683 current pc value is strictly bigger than the target pc value.
12685 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
12687 * regclass.c (init_reg_modes): If we can't find a mode for the
12688 register, use the previous one.
12690 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
12692 * haifa-sched.c (print_block_visualization): Call fprintf directly,
12693 don't sprintf through an alloca'ed buffer.
12695 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
12697 * reload.c (decompose): Always initialize val.base.
12699 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
12701 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
12702 instead of aborting.
12703 * dwarf2out.c (output_call_frame_info): Call app_enable and
12704 app_disable to let GNU as accept the generated comments.
12706 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
12708 * tree.h (get_file_function_name): Add declaration.
12709 * dwarf2out.c (output_call_frame_info): No need to cast
12710 get_file_function_name call anymore.
12711 * profile.c (toplevel): Remove get_file_function_name
12713 * c-lang.c (finish_file): Ditto.
12715 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
12717 * Makefile.in (program_transform_name): Let autoconf substitute
12720 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
12722 * haifa-sched.c (schedule_block): If the first real insn in a
12723 block has any special notes attached to it, remove them.
12725 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
12727 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
12729 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
12731 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
12733 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
12735 * Makefile.in (check-g77): New test target.
12736 (CHECK-TARGETS): Add check-g77.
12738 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
12740 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
12742 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
12744 * flow.c (print_rtl_with_bb): Cast alloca return value for
12747 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
12749 * i386.h (RETURN_ADDR_RTX): New definition that works for
12750 __builtin_return_address(0) and -fomit-frame-pointer.
12752 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
12754 Bring over from FSF.
12755 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
12757 * mips.c (function_arg): Handle passing a struct
12758 containing a double in a DFmode register without the PARALLEL.
12760 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
12762 * pexecute.c: Use spawn if __CYGWIN32__.
12764 * pexecute.c: Include "config.h" first, as per autoconf manual
12765 (from Paul Eggert <eggert@twinsun.com>).
12767 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
12769 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
12770 optimisation for f/expr.o and f/stb.o.
12772 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
12774 * cse.c (this_insn_cc0_mode): Initialize.
12776 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
12778 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
12780 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
12782 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
12784 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
12785 that pair will dual-issue on the 21164 and plus+beq won't.
12786 (bne): Likewise for cmpeq+beq.
12788 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
12790 * except.c (find_exception_handler_labels): Correct argument to free.
12792 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
12794 * except.c (find_exception_handler_labels): Free LABELS when we're
12797 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
12799 * version.c: Bump for snapshot.
12801 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
12803 * flow.c (find_basic_blocks): Mark calls as potentially jumping
12806 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
12808 * configure.in: Substitute for "install" too.
12809 * configure: Rebuilt.
12811 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
12813 * Makefile.in (bootstrap-lean, compare-lean): New targets.
12815 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
12817 * alias.c (base_alias_check): Two symbols can conflict if they
12818 are accessed via AND.
12819 (memrefs_conflict_p): Likewise.
12821 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
12822 after flushing argument registers to the stack.
12824 * Makefile.in (mostlyclean): Remove .regmove files.
12826 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
12828 * libgcc2.c (__throw): Fix thinko.
12830 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
12832 * cplus-dem.c (demangle_template): Add new parameter. Handle new
12833 template-function mangling.
12834 (consume_count_with_underscores): New function.
12835 (demangle_signature): Handle new name-mangling scheme.
12837 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
12839 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
12842 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
12844 * frame.c: Remove last change.
12845 * dwarf2.h: Remove last change.
12846 * tree.h: Add declarations of DWARF2 unwind info support
12849 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
12851 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
12852 * tree.h (built_in_function): Likewise.
12853 * expr.c (expand_builtin): Likewise.
12854 * except.h: Likewise.
12855 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
12856 * libgcc2.c (copy_reg): New fn.
12859 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
12861 * c-typeck.c (build_binary_op): Warn about comparing signed vs
12862 unsigned if -W is specified and -Wno-sign-compare is not.
12863 * c-decl.c (warn_sign_compare): Initialize to -1.
12864 (c_decode_option): -Wall no longer implies -Wsign-compare.
12866 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12868 * frame.c: Include gansidecl.h for PROTO.
12869 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
12870 defined. Don't declare dwarf2out_cfi_label here.
12871 * dwarf2.h: Add declarations of DWARF2 unwind info support
12873 * m68k.c: Include dwarf2.h.
12874 (output_function_prologue): Add dwarf2 support.
12875 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
12876 (INCOMING_FRAME_SP_OFFSET): Likewise.
12878 * integrate.c (expand_inline_function): Make sure there is at
12879 least one insn that can be used as an insertion point.
12881 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
12883 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
12885 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
12887 * version.c: Bump for snapshot.
12889 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
12891 Bring over from FSF.
12893 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
12895 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
12896 (get_pc_via_rdpc): Renamed from get_pc_sp64.
12897 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
12899 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
12901 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
12902 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
12903 -malign-functions=.
12904 (sparc_align_{loops,jumps,funcs}_string): Declare.
12905 (sparc_align_{loops,jumps,funcs}): Declare.
12906 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
12907 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
12908 (STACK_BIAS): Define.
12909 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
12911 (SPARC_SETHI_P): New macro.
12912 (CONST_OK_FOR_LETTER_P): Use it.
12913 (ASM_OUTPUT_ALIGN_CODE): Define.
12914 (ASM_OUTPUT_LOOP_ALIGN): Define.
12915 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
12916 (sparc_align_{loops,jumps,funcs}): New globals.
12917 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
12918 -malign-functions=.
12919 (move_operand): Use SPARC_SETHI_P.
12920 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
12922 (arith11_double_operand): Likewise.
12923 (arith10_double_operand): Likewise.
12924 (finalize_pic): Finish sparc64 support.
12925 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
12926 64 bit constants if able.
12927 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
12928 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
12930 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
12931 (get_pc_sp32): Use for sparc64 as well.
12932 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
12933 (sethi_di_sp64_const): Likewise.
12934 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
12935 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
12936 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
12938 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
12940 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
12941 * sparc/linux.h (COMMENT_BEGIN): Likewise.
12942 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
12944 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
12946 Add sparc64 linux support.
12947 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
12948 to xm_file list on 32-bit sparc-linux.
12949 * sparc/xm-sp64.h: New file.
12950 * sparc/linux64.h: New file.
12951 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
12952 Don't include xm-sparc.h.
12953 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
12954 * glimits.h (LONG_MAX): Handle sparc64.
12956 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
12958 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
12959 * sparc.h (ASM_COMMENT_START): Define.
12960 * sparc.c (output_function_prologue): Use it.
12961 (sparc_flat_output_function_{epi,pro}logue): Likewise.
12963 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
12965 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
12966 use sparc.h's copies.
12967 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
12968 ascii form as well.
12970 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12972 * sparc.c (dwarf2out_cfi_label): Add declaration.
12973 (save_regs, output_function_prologue): Remove cast for it.
12974 (sparc_flat_{save_restore,output_function_prologue): Likewise.
12975 ({save,restore}_regs): No longer inline.
12977 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12979 * fold-const.c (make_range): Correctly handle cases of converting
12980 from unsigned to signed type.
12982 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12984 * fold-const.c (merge_ranges): Make sure that if one range is subset
12985 of another, it will always be the second range. Correct (+,-) case to
12988 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
12990 * final.c (final_end_function): Also do dwarf2 thing if
12991 DWARF2_DEBUGGING_INFO.
12992 (final_start_function): Likewise.
12994 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
12996 * expmed.c (expand_divmod): If compute_mode is not the same as
12997 mode, handle the case where convert_modes() causes op1 to no
12998 longer be a CONST_INT.
13000 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
13001 note holding get_jump_flags() calculation to all JUMP_INSNs.
13002 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
13003 * rtl.c (reg_note_name): Add new note types.
13005 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
13007 * rtlanal.c (computed_jump_p): Fix typo in last change.
13009 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13011 * loop.c (indirect_jump_in_function_p): Return 0
13014 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
13016 * rs6000/xm-rs6000.h: Fix thinko in last change.
13017 * rs6000/xm-sysv4.h: Likewise.
13019 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
13021 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
13023 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
13025 * reg-stack.c (find_blocks): Fix thinko in last change.
13027 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13029 * m68k.c (output_function_prologue): Add dwarf2 support.
13031 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
13032 INCOMING_FRAME_SP_OFFSET): New definitions.
13034 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
13036 * combine.c (try_combine): Use NULL_RTX instead of '0' where
13037 appropriate in calls to gen_rtx().
13038 * cse.c (cse_main): Likewise.
13039 * emit-rtl.c (gen_label_rtx): Likewise.
13040 * expr.c (init_expr_once): Likewise.
13041 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
13042 sched_analyze, init_rgn_data_dependences,
13043 compute_block_backward_dependences): Likewise.
13044 * sched.c (schedule_insns): Likewise.
13045 * varasm.c (immed_double_const): Likewise.
13047 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
13048 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
13050 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
13052 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
13053 (MULTILIB_DEFAULTS): Define.
13054 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
13055 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
13056 (LIBGCC_SPEC): Likewise.
13057 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
13058 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
13059 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
13060 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
13061 (EXTRA_PARTS, TAROUTOPTS): Delete.
13062 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
13063 (MULTILIB_OPTIONS): Define.
13064 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
13065 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
13067 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
13069 * version.c: Bump for snapshot.
13071 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
13073 * loop.c (loop_number): Delete function. Change all references
13074 to use uid_loop_num array.
13075 * loop.h (loop_number): Delete declaration.
13076 * unroll.c (unroll_loop): Change "loop_number" references to
13077 use uid_loop_num instead.
13079 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
13081 (loop_unroll_iter): Remove unused variable and all references.
13082 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
13083 (insert_bct): Fix minor formatting problems.
13084 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
13085 (loop_unroll_iter): Removed unused decl.
13086 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
13087 Always record the unrolling factor.
13089 * cse.c (simplify_relational_operation): Set h0u just like h0s.
13090 Similarly for h1u and h1s.
13092 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
13093 (find_basic_blocks): Use computed_jump_p to determine if a
13094 particular JUMP_INSN is a computed jump.
13095 * reg-stack.c (find_blocks): Use computed_jump_p to determine
13096 if a particular JUMP_INSN is a computed jump.
13097 * rtlanal.c (jmp_uses_reg_or_mem): New function.
13098 (computed_jump_p): Likewise.
13099 * rtl.h (computed_jump_p): Declare.
13100 * genattrtab.c (pc_rtx): Define and initialize.
13101 * loop.c (loop_optimize): Always determine if the current
13102 function has a computed jump.
13103 (indirect_jump_in_function_p): Use computed_jump_p to determine
13104 if a particular JUMP_INSN is a computed jump.
13106 * loop.c (fix_bct_param): Delete unused function.
13107 (check_bct_param): Likewise.
13109 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
13111 * frame.c (__deregister_frame): Check properly for initialized object.
13113 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13115 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
13117 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13119 * jump.c (thread_jumps): check can_reverse_comparison_p before
13120 threading a reversed-condition jump.
13122 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
13123 * haifa-sched.c (update_flow_info): Likewise.
13125 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
13127 * Makefile.in (BOOT_CFLAGS): Use -O2.
13129 * configure.in (strtoul, bsearch): Have autoconf check for these
13131 * configure, config.in: Rebuilt.
13133 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
13134 * mips/mips.h (alloca): Likewise.
13135 * rs6000/xm-rs6000.h (alloca): Likewise.
13136 * rs6000/xm-sysv4.h: Likewise.
13138 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
13140 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
13141 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
13142 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
13144 * except.c (end_eh_unwinder): Subtract 1 from return address.
13145 * libgcc2.c (__throw): Likewise.
13146 (find_exception_handler): Don't change PC here. Compare end with >.
13148 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
13150 * v850.c (compute_register_save_size): Correct register
13152 * v850.md (save_interrupt, return_interrupt): Correct
13154 * v850/lib1funcs.asm (save_interrupt): Correct register number.
13155 (return_interrupt): Use stack pointer, not element pointer.
13157 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
13159 * configure.in, configure: Make sure to create the stage* and include
13160 symbolic links in each subdirectory.
13162 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
13164 * pa.md (reload_peepholes): Don't allow addresses with side
13165 effects for the memory operand.
13167 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
13169 * libgcc2.c (find_exception_handler): Subtract one from our PC when
13170 looking for a handler, to avoid hitting the beginning of the next
13173 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
13175 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
13177 * mips/abi64.h (LONG_MAX_SPEC): Define.
13178 * mips.h (LONG_MAX_SPEC): Define.
13179 (CPP_SPEC): Include long_max_spec.
13180 (EXTRA_SPECS): Include long_max_spec.
13182 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
13184 * v850.c (construct_save_jarl): Fix thinko in last change.
13186 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
13188 * version.c: Bump for snapshot.
13190 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
13192 * libgcc2.c (find_exception_handler): Not found is -1.
13194 * integrate.c (expand_inline_function): Move expand_start_bindings
13195 after expanding the arguments.
13197 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
13199 * expr.c (expand_expr): Remove previous incorrect change.
13200 If target and slot has no DECL_RTL, then call mark_addressable
13201 again for the slot after we give it RTL.
13203 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
13205 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
13206 again for the slot after we give it RTL.
13208 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
13210 * v850.c (register_is_ok_for_epilogue,
13211 pattern_is_ok_for_epilogue, construct_restore_jr,
13212 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
13214 * v850.h (pattern_is_ok_for_prologue,
13215 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
13218 * v850.md: Replace prologue and epilogue patterns with a
13219 match_parallel pattern.
13221 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
13223 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
13224 * configure.in: Use EGCS_PROG_INSTALL.
13226 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
13228 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
13229 extern inline function.
13231 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
13233 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
13234 (concat_loc_descriptor): New function.
13235 (loc_descriptor): Call it.
13236 (add_AT_location_description): Also elide the descriptor if both
13237 halves of a CONCAT are pseudos.
13238 (add_location_or_const_value_attribute): Recognize CONCAT too.
13240 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
13242 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
13244 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
13245 out-or-range reg_offset.
13246 (output_epilog): Likewise.
13248 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
13250 * cse.c (simplify_relational_operation): If MODE specifies a
13251 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
13252 is derived from the sign bit of the low word.
13254 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
13256 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
13258 * dwarf2.h: Add DW_CFA_GNU_args_size.
13259 * frame.c (execute_cfa_insn): Likewise.
13260 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
13261 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
13262 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
13263 insn, hand it off to dwarf2out_stack_adjust.
13264 (dwarf2out_begin_prologue): Initialize args_size.
13265 * frame.h (struct frame_state): Add args_size.
13266 * libgcc2.c (__throw): Use args_size.
13267 * final.c (final_scan_insn): If we push args, hand off all insns
13268 to dwarf2out_frame_debug.
13269 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
13271 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
13272 Handle epilogue restore of SP from FP.
13273 * emit-rtl.c (gen_sequence): Still generate a sequence if the
13274 lone insn has RTX_FRAME_RELATED_P set.
13276 * frame.c (extract_cie_info): Handle "e" augmentation.
13277 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
13278 absence of UNALIGNED_*_ASM_OP.
13279 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
13280 (output_call_frame_info): Use "e" instead of "z" for augmentation.
13281 Don't emit augmentation fields length.
13282 (dwarf2out_do_frame): Move outside of #ifdefs.
13283 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
13286 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
13287 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
13288 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
13289 * sparc/sun4gas.h: New file.
13290 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
13292 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
13293 __register_frame_table and __deregister_frame.
13295 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
13297 * except.c (find_exception_handler_labels): Use xmalloc instead of
13298 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
13301 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
13303 * Makefile.in: Various changes to build info files
13304 in the object tree rather than the source tree.
13306 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
13308 * fixinc.math: New file to fix math.h on some systems.
13309 * configure.in (freebsd, netbsd): Use fixinc.math on these
13311 * configure: Rebuilt.
13313 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
13315 * regmove.c (regmove_optimize): If we end up moving the
13316 original insn due to lifetime overlaps, make sure to move
13319 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
13321 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
13323 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
13325 * haifa-sched.c (add_branch_dependences): Make each insn in
13326 a SCHED_GROUP_P block explicitly depend on the previous insn.
13328 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
13330 * except.h: Prototype dwarf2 hooks.
13333 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
13335 * configure.in (native_prefix): Delete.
13336 (mips-dec-netbsd): Don't set prefix.
13337 (*linux*): Don't set prefix.
13339 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
13341 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
13342 defined. If not defined, include <sys/varargs.h> if
13343 HAVE_SYS_VARARGS_H is defined.
13344 * configure.in: Test for varargs.h and sys/varargs.h.
13345 * configure: Regenerate with autoconf.
13346 * config.in: Regenerate with autoheader.
13348 * cpplib.c (quote_string): Cast first arg of sprintf call
13349 from "unsigned char *" to "char *".
13350 (output_line_command): Ditto.
13351 (macroexpand): Ditto.
13352 (do_line): Cast atoi arg from "unsigned char *" to "char *".
13354 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
13356 * version.c: Bump for snapshot.
13358 * Makefile.in (compare): Exit with nonzero status if there
13359 are comparison failures. Note which files failed the
13360 comparison test in .bad_compare.
13362 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13364 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
13366 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
13368 * Makefile.in (LN, LN_S): New macros, use where appropriate.
13369 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
13370 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
13371 * configure: Regenerated.
13373 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
13375 * loop.c (strength_reduce): Fix typo.
13377 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
13379 * m88k/m88k.c (struct option): Rename to struct options.
13380 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
13381 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
13382 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
13383 __DOLPHIN__ or sysV88.
13385 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
13387 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
13390 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
13392 * config.sub: Accept 'amigados' for backward compatability.
13394 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13396 * Makefile.in (testsuite/site.exp): New target.
13397 (check-gcc, check-g++): Depend on testsuite/site.exp.
13398 Don't stop for failure.
13400 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
13402 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
13403 if DWARF2_UNWIND_INFO.
13405 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
13407 Add support for exception handling using DWARF 2 frame unwind info.
13408 Currently works on SPARC and MIPS, and almost on x86.
13410 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
13411 next_stack_level, in_reg_window): Helper fns.
13412 (__throw): Implement for DWARF2_UNWIND_INFO.
13414 * expr.c (expand_builtin): Handle builtins used by __throw.
13415 * tree.h (enum built_in_function): Add builtins used by __throw.
13416 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
13417 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
13418 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
13419 (expand_builtin_extract_return_addr): Likewise.
13420 (expand_builtin_frob_return_addr): Likewise.
13421 (expand_builtin_set_return_addr_reg): Likewise.
13422 (expand_builtin_eh_stub): Likewise.
13423 (expand_builtin_set_eh_regs): Likewise.
13424 (eh_regs): Choose two call-clobbered registers for passing back values.
13426 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
13427 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
13428 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
13429 (stmp-multilib): Likewise.
13430 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
13432 * except.c: #include "defaults.h".
13433 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
13434 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
13435 (register_exception_table_p): New fn.
13436 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
13437 (end_eh_unwinder): Likewise.
13439 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
13440 call __register_frame and __deregister_frame as needed.
13441 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
13442 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
13443 EH_FRAME_SECTION_ASM_OP.
13444 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
13445 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
13446 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
13448 * dwarf2out.c (output_call_frame_info): If no support for
13449 EXCEPTION_SECTION, mark the start of the frame info with a
13451 * collect2.c (frame_tables): New list.
13452 (is_ctor_dtor): Recognise frame entries.
13453 (scan_prog_file): Likewise.
13454 (main): Pass -fno-exceptions to sub-compile. Also do collection
13455 if there are any frame entries.
13456 (write_c_file_stat): Call __register_frame_table and
13457 __deregister_frame as needed.
13458 (write_c_file_glob): Likewise.
13460 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
13461 Also require unaligned reloc support.
13462 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
13463 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
13464 * sparc/sysv4.h: Not here.
13466 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
13467 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
13468 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
13470 * libgcc2.c (L_eh): Reorganize, moving code shared by different
13471 EH implementations to the top.
13472 (find_exception_handler): Split out. Start from 0. Compare against
13474 (__find_first_exception_table_match): Use it.
13475 * except.c (output_exception_table): Don't do anything if there's
13476 no table. Don't output a first entry of zeroes.
13477 (eh_outer_context): Adjust properly.
13478 (add_eh_table_entry): Use xrealloc.
13479 * toplev.c (compile_file): Just call output_exception_table.
13481 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
13483 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
13485 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
13487 * except.c (eh_outer_context): Do masking using expand_and.
13489 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
13491 Add port done awhile ago for the ARC cpu.
13492 * arc/arc.h: New file.
13493 * arc/arc.c: New file.
13494 * arc/arc.md: New file.
13495 * arc/initfini.c: New file.
13496 * arc/lib1funcs.asm: New file.
13497 * arc/t-arc: New file.
13498 * arc/xm-arc.h: New file.
13499 * ginclude/va-arc.h: New file.
13500 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
13501 * ginclude/varargs.h: Likewise.
13502 * Makefile.in (USER_H): Add va-arc.h.
13503 * configure.in (arc-*-elf*): Recognize.
13504 * longlong.h: Add ARC support.
13506 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
13508 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
13509 when clearing non-BLKmode data.
13511 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
13513 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
13514 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
13516 * xm-m88k.h (USG): Only define if it hasn't already been defined.
13518 * Makefile.in (risky-stage1): Delete gratutious whitespace.
13520 * Makefile.in (clean): Delete libgcc1-test.
13522 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
13524 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
13526 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
13529 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13531 * dwarf2out.c (output_call_frame_info): Call named_section.
13533 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
13535 * haifa-sched.c (print_value): Fix last change.
13537 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
13539 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
13542 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
13544 * mips.c (function_prologue): Set up the CFA when ABI_32.
13546 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
13547 for dwarf2 unwind info.
13548 (output_function_prologue, sparc_flat_output_function_prologue): Same.
13550 * final.c (final_end_function): Check dwarf2out_do_frame instead
13551 of DWARF2_DEBUG for dwarf2 unwind info.
13552 (final_scan_insn): Likewise.
13553 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
13556 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
13559 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
13561 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
13563 * v850.h (ASM_SPEC): Pass on target processor.
13564 (CPP_PREDEFINES): Only define if not already specified.
13565 (TARGET_VERSION): Only define if not already specified.
13566 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
13568 (EXTRA_SWITCHES): Extra entries in the switches array.
13569 (TARGET_DEFAULT): Set default target processor.
13571 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
13573 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
13574 cases, add %# and %/, and add : to make them into extended asms.
13576 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
13578 * alias.c (init_alias_analysis): Clean up incompatible pointer
13579 type warning in bzero.
13580 * regmove.c (regmove_optimize): Ditto.
13581 * haifa-sched.c (find_rgns): Ditto.
13583 * haifa-sched.c (print_value): Clean up ptr->int cast
13586 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
13588 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
13589 * install.texi (Configurations): Ditto.
13590 * config.sub: Ditto.
13592 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
13594 * Makefile.in (sdbout.o): Depend on insn-config.h.
13596 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
13598 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
13599 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
13601 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
13603 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
13604 prologue insn, only the first elt is significant.
13605 (output_call_frame_info): For exception handling, always use 4-byte
13606 fields as specified by the dwarf2 spec.
13607 Don't skip trivial FDEs.
13609 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
13611 * version.c: Bump for snapshot.
13613 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
13615 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
13616 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
13619 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
13621 * final.c (shorten_branches): During first pass, assume worst
13622 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
13624 * Makefile.in (distclean): Remove various things left around
13625 by running the testsuite.
13627 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
13629 * configure.in (out_file): Emit definition to config.status in order
13630 to have a defined value for configure.lang.
13631 * configure: Re-built.
13633 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
13635 * configure.in: Make symlink to as-new rather than as.new. Similarly
13637 * configure: Rebuilt.
13639 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
13641 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
13643 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
13645 * sparc/sparc.md: Add ultrasparc scheduling support.
13646 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
13648 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
13650 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
13651 as initial value for real_label_map.
13652 (copy_for_inline): Likewise.
13654 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13656 * sched.c (update_flow_info) When looking if to set found_split_dest
13657 or found_orig_dest, look at all parts of a PARALLEL.
13658 * haifa-sched.c (update_flow_info): Likewise.
13660 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
13662 * v850: New directory for v850 port.
13663 * v850/lib1funcs.asm: New file.
13664 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
13665 * ginclude/va-v850.h: New file.
13666 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
13667 * configure.in (mn10200-*-*): New target.
13668 * configure: Rebuilt.
13669 * config.sub: Handle v850-elf.
13670 * Makefile.in (USER_H): Add va-mn10200.h.
13671 * invoke.texi: Document v850 stuff.
13673 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
13675 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
13676 has integer TYPE_{MAX,MIN}_VALUE before using them.
13678 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
13679 __HPUX_ASM__ versions.
13681 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
13683 * install.sh: Delete duplicate install script.
13685 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
13687 * reg-stack.c (subst_stack_regs): Pop the stack register for a
13688 computed goto which sets the same stack register.
13690 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
13691 destination are both on the regstack.
13692 (subst_stack_regs_pat): Put the destination at the top of the regstack.
13694 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
13696 * mips.md (nonlocal_goto_receiver): Define.
13698 * profile.c (output_arc_profiler): Check next_insert_after for non
13699 NULL before deferencing it.
13701 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
13703 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
13705 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
13707 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
13709 * toplev.c (rest_of_compilation): For passes starting with
13710 flow_analysis, use print_rtl_with_bb instead of print_rtl.
13712 * print-rtl.c (print_rtl_single): Print a single rtl value to a
13715 * flow.c (print_rtl_with_bb): Print which insns start and end
13716 basic blocks. For the start of a basic block, also print the live
13719 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
13721 * toplev.c (main): Change #elif to #else/#ifdef
13723 * tlink.c: Include ctype.h.
13724 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
13726 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
13728 * bitmap.c: Conditionally include stdlib.h.
13729 (free): Provide a declaration if NEED_DECLARATION_FREE.
13731 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
13733 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
13735 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
13737 * profile.c (output_arc_profiler): Verify next_insert_after is an
13738 INSN before and after skipping a stack pop.
13740 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13742 * final.c (shorten_branches): Don't count the lengths of deleted
13745 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
13747 * version.c: Bump for snapshot.
13749 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
13751 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
13752 two bitmaps ANDed together.
13753 (bitmap_print): Declare.
13755 * bitmap.c (function_obstack): Don't declare any more.
13756 (bitmap_obstack): Obstack for allocating links from.
13757 (bitmap_obstack_init): New static to say whether to initialize
13759 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
13760 (bitmap_release_memory): Free all memory allocated from
13763 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
13764 EXECUTE_IF_AND_IN_BITMAP.
13766 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
13768 * alias.c (true_dependence): Address with AND can alias scalars.
13769 (anti_dependence, output_dependence): Likewise.
13771 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
13773 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
13775 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
13776 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
13777 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
13778 definitions. Use -qrtems instead of -mrtems.
13780 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
13782 * xm-sco5.h (sys_siglist): Define.
13783 (SYS_SIGLIST_DECLARED): Likewise.
13785 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
13787 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
13789 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
13791 * except.c (eh_outer_context): Expand masking operation using
13794 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
13796 * alpha.md (floatdisf2-1): New pattern.
13798 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
13800 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
13801 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
13802 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
13803 * gcc.texi: Note that if you define sys_siglist that you should
13804 also define SYS_SIGLIST_DECLARED.
13806 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
13807 are relative to the next instruction, not the current instruction.
13809 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
13811 * local-alloc.c (contains_replace_regs): New function.
13812 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
13813 verify that there is no existing REG_EQUIV note, and add a call to
13814 contains_place_regs.
13816 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13818 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
13819 (STARTFILE_SPEC): Always use crtbegin.o%s
13820 (ENDFILE_SPEC): Always use crtend.o%s.
13822 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
13824 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
13826 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
13827 SFmode for 64 bit hosts.
13829 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
13831 * fixincludes: Permits spaces between # and define. Discard C++
13832 comments in sys/pci.h on HP/UX 10.20.
13834 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
13836 * version.c: Bump for snapshot.
13838 * pa.c (restore_unscaled_index_insn_codes): New function.
13839 (record_unscaled_index_insn_codes): Likewise.
13840 (output_function_prologue): Call restore_unscaled_index_insn_codes.
13841 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
13842 (pa_reorg): Call record_unscaled_index_insn_codes.
13844 * haifa-sched.c (move_insn): Handle notes correctly for insns
13845 with SCHED_GROUP_P set.
13847 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13849 * alpha/xm-linux.h (USE_BFD): Undef before define.
13851 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
13853 * cse.c (cse_insn): Don't record BLKmode values.
13855 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
13857 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
13859 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
13861 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
13862 * collect2.c (sys_errlist): Likewise.
13863 * cpplib.c (sys_errlist): Likewise.
13864 * gcc.c (sys_errlist): Likewise.
13865 * protoize (sys_errlist): Likewise.
13866 * configure.in: Check for strerror.
13867 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
13868 * xm-gnu.h (HAVE_STRERROR): Likewise.
13869 * xm-linux.h (HAVE_STRERROR): Likewise.
13870 * xm-netbsd.h (HAVE_STRERROR): Likewise.
13871 * xm-bsd386.h (HAVE_STRERROR): Likewise.
13872 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
13873 * xm-dos.h (HAVE_STRERROR): Likewise.
13874 * xm-mingw32.h (HAVE_STRERROR): Likewise.
13875 * xm-pa.h (HAVE_STRERROR): Likewise.
13876 * xm-papro.h (HAVE_STRERROR): Likewise.
13877 * xm-sysv4.h (HAVE_STRERROR): Likewise.
13878 * configure, config.in: Rebuilt.
13880 * Makefile.in: Add several missing "else true" clauses.
13882 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
13883 * mips-tfile.c: Likewise.
13884 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
13885 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
13886 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
13887 * configure.in: Check for sys_siglist declaration.
13888 * configure, config.in: Rebuilt.
13890 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
13892 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
13893 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
13894 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
13895 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
13896 * rs6000/sysv4.h (extra_subtarget_switches): Added new
13897 macro EXTRA_SUBTARGET_SWITCHES.
13898 * configure.in (sh*-*-rtems*): New target.
13899 * sh/rtems.h: New file.
13900 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
13901 * configure: Rebuilt.
13903 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
13905 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
13907 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
13909 * rs6000.md: Make DF fused-add operations pay attention to
13912 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
13914 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
13916 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
13918 * pa.md (reload_peepholes): Make sure operand is a REG before
13919 examining REGNO. Allow general registers too.
13921 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
13923 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
13925 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
13927 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
13928 to reallocate abbrev_die_table.
13930 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
13932 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
13934 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13936 * Makefile.in (config.status): Depend on version.c
13938 * expr.h (insn_gen_function): Reenable prototype.
13940 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
13943 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
13945 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
13947 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
13949 * version.c: Bump for latest snapshot.
13951 * bc-optab.c: Conditionally include stdlib.h.
13952 (free): Provide a declaration if NEED_DECLARATION_FREE.
13953 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
13954 * rtl.h (free): Remove declaration.
13955 * tree.h (free): Remvoe declaration.
13957 * configure: Rebuilt.
13959 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
13961 * flags.h (flag_move_all_movables): Declare.
13962 (flag_reduce_all_givs): Likewise.
13963 * loop.c (move_movables): Handle flag_move_all_movables.
13964 (strength_reduce): Handle flag_reduce_all_givs.
13965 * toplev.c (flag_move_all_movables): Define.
13966 (flag_reduce_all_givs): Likewise.
13967 (f_options): Add -fmove-all-movables and -freduce-all-givs.
13968 * invoke.texi: Document new options, including alias stuff that
13969 wasn't included last time.
13971 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
13973 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
13974 * t-mn10200: Ditto.
13975 * t-vxsparc: Ditto.
13976 * t-vxworks68: Ditto.
13977 * t-vxworks960: Ditto.
13980 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
13982 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
13983 if not already defined, and USE_C_ALLOCA not defined.
13985 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
13987 * config.guess: Replace with script that uses ../config.guess.
13989 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
13990 if USE_GNULIBC_1 is not defined.
13992 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
13994 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
13995 * config.guess: Recognize alpha-linux-gnulibc1.
13996 * configure.in (alpha-*-linux-gnulibc1): New target.
13997 (alpha-*-linux-gnu*): Don't build crtbegin/end.
13999 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
14001 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
14004 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
14006 * loop.c (combine_movables): Earlier insns don't match later ones.
14008 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
14010 * config/linux.h (CC1_SPEC): Define it only if not defined.
14012 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
14015 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
14016 USE_GNULIBC_1 is not defined.
14018 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
14020 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
14021 as 1 if USE_GNULIBC_1 is not defined.
14023 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
14025 * reorg.c (dbr_schedule): Allow current_function_return_rtx
14026 to be something other than a REG.
14027 * function.c (expand_function_end): Fix current_function_return_rtx
14028 if it was a pseudo.
14030 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
14031 * x-netbsd: Likewise
14032 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
14033 (INSTALL_HEADERS): Delete.
14034 * x-dguxbcs: Likewise.
14035 * x-hp3bsd44: Likewise
14038 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14040 * i386.md (pop): pop increments the stack pointer.
14041 (prologue_set_stack_ptr): New pattern.
14042 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
14045 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
14047 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
14048 address where an offsettable address is required.
14050 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
14052 * loop.c (check_final_value): Don't miss a biv increment in a
14055 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
14057 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
14058 TYPE_DECL_IS_STUB instead of DECL_NAME.
14060 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
14062 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
14064 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
14066 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
14068 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
14070 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
14071 (find_post_sched_live): Likewise.
14073 * haifa-sched.c (schedule_block): Remove old code to get arguments
14074 from hard regs into pseudos early.
14076 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
14078 * version.c: Bump for new snapshot.
14080 * local-alloc.c (update_equiv_regs): All the target to reject
14081 promotion of some REG_EQUAL to REG_EQUIV notes.
14082 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
14084 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
14087 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
14088 store of the argument registers.
14090 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
14092 * fold-const.c (multiple_of_p): New function.
14093 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
14095 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
14097 * expr.h (insn_gen_function): Temporarily remove prototype.
14099 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
14101 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
14102 filenames. Use sed to extract base filename for install.
14104 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
14106 * unroll.c (find_splittable_givs): Only share if two givs have the
14107 same add and multiply values.
14109 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
14111 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
14112 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
14114 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
14116 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
14117 around branch tables.
14118 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
14119 and .end_brtab directives if TARGET_GAS.
14121 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
14123 * alias.c (true_dependence): Pass x_addr not x to varies.
14125 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
14126 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
14127 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
14129 * config.in, configure: Regenerate.
14131 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
14133 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
14135 (record_set): Handle LO_SUM like PLUS.
14136 (init_alias_analysis): When following chains of base addresses,
14137 do not stop on reaching a hard register.
14139 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
14141 * version.c: Bump for new snapshot.
14143 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
14145 * alpha.h (ARCH_ASM_FILE_START): Define.
14146 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
14147 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
14149 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
14151 * Makefile.in (install-common): Put gcov comment at start of line.
14153 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
14155 * alias.c (init_alias_analysis): When simplifying the reg_base_value
14156 array, simplify entries for hard registers too.
14158 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
14160 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
14163 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
14165 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
14166 block_stack before dereferencing it.
14168 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
14170 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
14172 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
14174 * cplus-dem.c: Add 'extern' to prepends_underscore.
14176 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
14178 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
14179 (get_issue_rate): Delete.
14180 * pa.h (ISSUE_RATE): Define.
14182 * configure.in: Turn on haifa by default for the PA.
14183 * configure: Rebuilt.
14184 * pa.c (override_options): Accept -mschedule=7200 option.
14185 (pa_adjust_cost): No longer need to scale costs for newer
14187 * pa.h (enum processor_type): Add PROCESSOR_7200.
14188 * pa.md: Revamp scheduling parameters to work better with
14189 haifa. Add scheduling parameters for the 7200.
14191 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
14193 (schedule_block): When adjusting basic_block_{head,end}, account
14194 for movement of SCHED_GROUP_P insns too.
14196 * haifa-sched.c (debug_dependencies): Fix thinko.
14198 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
14199 (site.exp, check, check-g++, check-gcc): New targets.
14201 * haifa-sched.c: Make lots of variables static.
14203 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
14205 * expr.h, real.h: Finish prototyping.
14207 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
14209 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
14210 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
14211 * reload1.c: Undo bugfix from Aug 11.
14213 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
14215 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
14216 quotes around the name.
14217 * configure: Regenerate.
14219 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
14221 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
14223 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
14225 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
14226 to sub-makes to avoid building more passes than the user might have
14227 requested on the command line.
14229 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
14231 * configure.in: Expurgate `broken_install' (install is
14234 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
14237 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
14239 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
14240 functions and declarations.
14241 (analyze_loop_iterations): Use condjump_p.
14242 (insert_bct): Likewise. Use exact_log2.
14244 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
14246 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
14247 (schedule_region): Likewise.
14248 (schedule_insns): Likewise.
14250 * PROJECTS: Update with Haifa stuff.
14252 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
14254 * version.c: Change the version string to look like:
14255 egcs-2.90.00 970814 (gcc2-970802 experimental).
14257 * loop.c (is_conditional_branch): Make definition match declaration.
14259 * gcc.c: Take out experimental snapshot warning message.
14261 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
14263 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
14264 print out the names of the notes. Print out the name of the insn
14265 that is not a note, and not an {,CALL_,JUMP_}INSN.
14267 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
14269 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
14270 again for the slot after we give it RTL.
14272 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
14274 * configure.in (haifa configury): Fix typo.
14275 * configure: Regenerate.
14277 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
14279 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
14281 * gcc.info*: Rebuilt.
14283 * COPYING.g77, README.g77: New files.
14284 * real.c (ereal_unto_float, ereal_unto_double): New functions.
14285 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
14286 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
14288 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
14290 * Integrate Haifa instruction scheduler.
14291 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
14292 to sched with $(SCHED_CFLAGS.
14293 * configure.in: Handle --enable-haifa.
14294 * configure: Rebuilt.
14295 * flags.h: Add new flags for haifa instruction scheduler.
14296 * genattrtab.c (expand_units): For haifa, don't subtract one
14297 when computing blockage.
14298 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
14299 (flag_schedule_speculative): Ditto.
14300 (flag_schedule_speculative_load): Ditto.
14301 (flag_schedule_speculative_load_dangerous): Ditto.
14302 (flag_schedule_reverse_before_reload): Ditto.
14303 (flag_schedule_reverse_after_reload): Ditto.
14304 (flag_branch_on_count_reg): Ditto.
14305 (f_options): Add Haifa switches.
14306 (main): Turn off some Haifa options if appropriate macro is
14307 defined. Process Haifa switches.
14308 * unroll.c (iteration_info): No longer static, since Haifa
14310 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
14311 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
14312 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
14313 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
14314 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
14315 storage for the Haifa scheduler.
14316 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
14318 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
14319 are defined, call analyze_loop_iterations and insert_bct to use
14321 (record_giv): Refine test for jumps out of loops if HAIFA is
14323 (analyze_loop_iterations): New function to identify if we can use
14325 (insert_bct): Insert countdown loop.
14326 (instrument_loop_bct): Low level code to insert countdown loop.
14327 (loop_number): Calculate UID of loop.
14328 (indirect_jump_in_function_p): Return true if an indirect jump is
14330 (is_power_of_2): Return true if value is a power of 2.
14331 (is_conditional_branch): Return true if insn is a conditional
14333 (fix_bct_param): Process -fbct-{min,max}-N switches.
14334 (check_bct_param): Return true if loop should be instrumented.
14335 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
14336 (loop_optimize): Initialize.
14337 (get_condition_for_loop): Ditto.
14338 * loop.c (strength_reduce): Inside of code that uses #ifdef
14339 HAVE_decrement_and_branch_on_count code, test it to make sure the
14341 (instrument_loop_bct): Ditto.
14342 * haifa-sched.c: New file.
14345 * Integrate regmove pass.
14346 * Makefile.in (OBJS): Add regmove.o
14347 (regmove.o): Add dependencies.
14348 * flow.c (find_use_as_address): No longer static.
14349 * rtl.h (find_use_as_address): Declare.
14350 * toplev.c (regmove_dump, flag_regmove): Define.
14351 (f_options): Add -fregmove.
14352 (regmove_dump_file, regmove_time): Define.
14353 (fatal_insn): Close the regmove dump file.
14354 (compile_file): Initialize regmove_time; open/close the regmove dump
14355 file as needed. Print regmove time as needed.
14356 (rest_of_compilation): Run regmove pass if requested, dump
14357 RTL after regmove if requested.
14358 (main): If -O2 or more, turn on regmove. Handle dump switches.
14359 * regmove.c: New file.
14361 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
14363 * Integrate tlink patch from jason@cygnus.com
14364 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
14365 (process_command): Increment n_switches for them. Don't discard
14366 their args. Validate them.
14367 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
14369 (process_command): Set include_prefixes from COMPILER_PATH.
14370 (main): Set COLLECT_GCC_OPTIONS sooner.
14371 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
14372 * tlink.c, hash.c, hash.h: New files.
14373 * Makefile.in (USE_COLLECT2): Always use collect2.
14374 (collect2): Depend on and link in hash.o and tlink.o.
14375 (tlink.o, hash.o): Add dependencies.
14377 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
14379 * Integrate alias analysis changes from jfc@mit.edu
14380 * Makefile.in (OBJS): Add alias.o
14381 (alias.o): Add dependencies.
14382 * alias.c: New file.
14383 * sched.c: Remove alias analysis code. It lives in alias.c now.
14384 (sched_analyze_2): Add new arguments to true_dependence.
14385 (schedule_insns): Always call init_alias_analysis.
14386 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
14387 mark return value from such functions as a pointer and keep track of
14388 them for alias analysis. If a return value from a function is a
14389 pointer, mark it as such.
14390 * combine.c (distribute_notes): Handle REG_NOALIAS.
14391 * cse.c (struct write_data): Delete. No longer needed.
14392 (invalidate): Don't call set_nonvarying_address_components anymore.
14393 Use true_dependence to decide if an entry should be removed from
14395 (invalidate_memory): Remove WRITES argument, simplify appropriately.
14397 (note_mem_written): Similarly for WRITE_PTR argument.
14398 (invalidate_from_clobbers): Similarly for W argument.
14399 (invalidate_for_call): Remove memory elements from the hash table.
14400 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
14401 (cse_rtx_varies_p): New function. Derived from old
14402 cse_rtx_addr_varies_p.
14403 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
14404 Don't call note_mem_written anymore. Stack pushes invalidate the stack
14405 pointer if PUSH_ROUNDING is defined. No longer need to call
14406 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
14407 (skipped_writes_memory): Remove variable.
14408 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
14409 (invalidate_skipped_block): Simplify for new alias analysis code.
14410 (cse_set_around_loop): Likewise.
14411 (cse_main): Call init_alias_analysis.
14412 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
14413 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
14414 (f_options): Add new alias checking arguments.
14415 (main): Set flag_alias_check when optimizing.
14416 * local_alloc (validate_equiv_mem_from_store): Add new arguments
14417 to true_dependence.
14418 (memref_referenced_p): Likewise.
14419 * loop.c (NUM_STORES): Increase to 30.
14420 (prescan_loop): Only non-constant calls set unknown_address_altered.
14421 (invariant_p): Add new arguments to true_dependence.
14422 (record_giv): Initialize unrolled and shared fields.
14423 (emit_iv_add_mult): Call record_base_value as needed.
14424 * loop.h (struct induction): Add unrolled and shared fields.
14425 * unroll.c (unroll_loop): Call record_base_value as needed.
14426 (copy_loop_body): Likewise.
14427 (final_biv_value): Likewise.
14428 (final_giv_value): Likewise.
14429 (find_splittable_regs): Likewise. Only create one new pseudo
14430 if we have multiple address GIVs that were combined with the same
14431 dst_reg GIV. Note when a new register is created due to unrolling.
14432 * rtl.c (reg_note_name): Add REG_NOALIAS.
14433 * rtl.h (enum reg_note): Similarly.
14434 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
14435 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
14436 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
14437 (true_dependence, read_dependence, anti_dependence): Likewise.
14438 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
14439 (mark_user_reg, mark_reg_pointer): Likewise.
14442 * Integrate reload bugfix from Wilon which enables the PA port
14443 to bootstrap again.
14444 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
14445 OPERAND_ADDRESS when computing how many registers an insn needs.
14446 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
14448 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
14449 OPADDR_ADDR reload.
14450 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
14451 in reload_reg_use_in_op_addr do not reach the end.
14452 do not reach the end.
14453 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
14454 RELOAD_FOR_OPERAND_ADDRESS.
14456 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
14458 * egcs project officially starts.
14461 add-log-time-format: current-time-string