1 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4 if something changed. Back out that part of yesterday's changes.
6 * loop.c (loop_max_reg): New static variable.
7 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9 (scan_loop): Call reg_scan_update whenever we may have added new
10 registers, and update loop_max_reg.
12 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14 * regclass.c (record_reg_classes): Do not do the copying preferrencing
15 when source does not die.
17 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
19 1999-12-14 Jakub Jelinek <jakub@redhat.com>
21 * config/sparc/linux64.h (TARGET_LIVE_G0,
22 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
24 * config/sparc/linux.h (TARGET_LIVE_G0,
25 TARGET_BROKEN_SAVERESTORE): Likewise.
26 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
27 TARGET_BROKEN_SAVERESTORE): Likewise.
29 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
30 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
32 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
33 as sparc64 block profiling register.
34 * config/sparc/sparc.c (sparc_override_options): Allow block
36 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
38 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
39 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
40 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
42 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
44 * config/sparc/sparc.h: Likewise.
45 * config/sparc/xm-sysv4-64.h: Likewise.
46 * config/float-sparc.h: Likewise.
47 * glimits.h: Likewise.
48 * longlong.h: Likewise.
50 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
52 * combine.c (combine_simplify_rtx): Don't make shared rtl.
53 (simplify_logical): Likewise.
55 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
57 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
58 * cppfiles.c (INO_T_EQ): Likewise.
60 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
62 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
63 * i386/mingw32.h (LIB_SPEC): Likewise.
64 (STARTFILE_SPEC): Likewise.
65 * i386/uwin.h (LIB_SPEC): Likewise.
66 (STARTFILE_SPEC): Likewise.
68 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
69 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
71 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
73 * combine.c (combine_simplify_rtx): Fix order of checks for
74 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
76 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
78 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
79 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
81 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
83 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
85 * regclass.c (inv_reg_alloc_order): New array.
86 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
88 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
89 counted_for_groups, counted_for_nongroups. Add fields rld and
91 * reload.c (push_secondary_reload): Don't set nongroup field of
93 (push_reload): Likewise.
94 (find_reloads): Delete code to compute nongroup fields.
95 * reload1.c (reload_insn_firstobj): New static variable.
96 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
98 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
99 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
100 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
102 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
104 (struct hard_reg_n_uses): Deleted.
105 (potential_reload_regs): Deleted.
106 (init_reload): Initialize spilled_pseudos and pseudos_counted.
107 (reload): Don't try to allocate reload registers if we already know
108 we have to make another pass. Call select_reload_regs. Free memory
109 starting with reload_firstobj when starting another pass.
110 Don't allocate spilled_pseudos.
111 (calculate_needs_all_insns): Call copy_reloads for an insn that
112 needs reloads; don't call calculate_needs.
113 (spill_cost): New static array.
114 (used_spill_regs_local): New static variable.
115 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
116 to compute potential_reload_regs.
117 (find_reload_regs): Completely rewritten to use find_reg.
118 (allocate_reload_reg): Don't test counted_for_groups or
119 counted_for_nongroups. Lose NOERROR arg and code to give an error;
121 (choose_reload_regs): Add fallback code that uses the existing
122 register allocation from find_reload_regs.
124 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
126 * flow.c (create_edge_list): Cast xmalloc return value.
128 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
130 * doprnt.c: Remove incorrect comment closure.
132 * cse.c: Fix a few minor whitespace goofs.
134 1999-12-13 Don Bowman <don@pixstream.com>
136 * mips/vxworks.h: Fix problem with comment termination.
137 (EXTRA_SECTIONS): Add in_sbss.
138 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
140 1999-12-12 David S. Miller <davem@redhat.com>
142 * cse.c (struct cse_reg_info): Add hash_next member,
143 reorder rest of struct for better packing on 64-bit
145 (cse_reg_info_tree): Kill.
146 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
147 REGHASH_FN): New custom pow2 hash mechanism.
149 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
150 use a pow2 hash table.
151 (get_cse_reg_info): Rework to use new REGHASH.
152 (new_basic_block): Likewise, use HASH_SIZE, and inline
154 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
155 and inline free_element call.
156 (lookup_as_function, insert, flush_hash_table, invalidate,
157 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
158 invalidate_for_call, use_related_value, find_comparison_args,
159 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
160 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
163 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
165 * cse.c (cse_basic_block): Free qty_table consistently.
167 1999-12-12 David S. Miller <davem@redhat.com>
168 Jakub Jelinek <jakub@redhat.com>
170 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
171 SUBREGs by hand, gen the appropriate hard reg directly.
172 (movtf reg/mem split): Likewise and alter_subreg on destination
174 (movtf mem/reg split): Similarly.
175 (movdf_cc_sp64): Rename from hidden pattern.
176 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
177 (movtf_cc_sp64, following split): New pattern and splitter.
178 (movdf_cc_reg_sp64): Rename from hidden pattern.
179 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
181 (movtf_cc_reg_sp64, following split): New pattern and splitter.
183 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
185 * loop.c (load_mems): Don't hoist written floating point mem
188 1999-12-12 Mark Mitchell <mark@codesourcery.com>
190 * except.h (struct eh_queue): Add `next' pointer.
191 (struct eh_status): Make x_ehqueue a pointer.
192 (push_ehqueue): Declare.
193 (pop_ehqueue): Likewise.
194 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
196 (expand_fixup_region_end): Likewise.
197 (expand_leftover_cleanups): Likewise.
198 (push_ehqueue): Define.
199 (pop_ehqueue): Likewise.
200 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
201 than doing it inline.
202 (expand_start_all_catch): Adjust now that ehqueue is a
204 (mark_eh_queue): Mark all level of the queue.
205 (mark_eh_status): Adjust now that ehqueue is a
207 (init_eh_for_function): Allocate ehqueue.
208 (free_eh_status): Free it.
209 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
210 expansion for a fixup.
212 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
214 * gthr-single.h (__gthread_active_p): Add prototype arguments.
216 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
217 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
218 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
219 function_ptr, getpagesize, __enable_execute_stack,
220 __enable_execute_stack, __clear_insn_cache,
221 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
222 _cleanup, _exit, __default_terminate, __terminate_func,
223 __terminate, __empty, __throw, new_eh_context,
224 eh_context_initialize, eh_context_static, eh_context_specific,
225 get_eh_context, __get_eh_context, __get_eh_info,
226 init_reg_size_table, eh_threads_initialize,
227 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
228 __unwinding_cleanup, throw_helper, __throw, __rethrow,
229 __pure_virtual): Add prototype arguments.
230 (__bb_exit_func): Cast a sizeof to long when comparing against one.
231 Cast a signed value to unsigned long when comparing against one.
232 (new_eh_context): Wrap in _GTHREADS macro.
233 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
235 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
236 (throw_helper): Initialize variables `handler_p' and `pc_p'.
238 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
240 * combine.c (record_promoted_value): Remove unused variable
243 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
245 * global.c (record_conflicts): Likewise for `j'.
247 * genoutput.c (output_insn_data): Don't unnecessarily cast away
250 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * i386-protos.h (output_387_binary_op, output_fix_trunc,
253 output_fp_compare): Constify a char*.
255 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
257 (override_options, ix86_comp_type_attributes, print_operand,
258 output_387_binary_op, output_fix_trunc, output_fp_compare):
260 (ix86_sched_reorder): Mark parameter `clock_var' with
263 * i386.h (DEBUG_PRINT_REG): Constify a char*.
265 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
267 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
268 operand, for use in the Java front-end.
270 1999-12-10 Ben Collins <bcollins@debian.org>
272 * configure.in: Fix typo for "-64" in 64bit as check.
273 * configure: Rebuilt.
275 1999-12-10 Jakub Jelinek <jakub@redhat.com>
277 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
280 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * c-parse.in (string): With -Wtraditional, warn if ANSI string
283 concatenation is utilized.
285 * invoke.texi (-Wtraditional): Document it.
287 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
289 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
290 Cast a ptrdiff_t to long and pass it to printf with %ld.
292 1999-12-10 Geoff Keating <geoffk@cygnus.com>
294 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
295 68881, we have no 68881 registers at all.
296 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
297 value in a 68881 register if it is available.
299 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
301 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
302 for long long multiply-accumulate.
304 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
306 * loop.c (insert_loop_mem): Undo last change.
308 1999-12-10 David S. Miller <davem@redhat.com>
310 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
312 * config/sparc/sparc-protos.h: Add them.
313 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
314 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
315 constraints which use those helpers.
316 (EXTRA_CONSTRAINT): Use this new macro.
317 * md.texi: Update sparc target constraints documentation.
318 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
319 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
320 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
321 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
322 (movsf high/lo_sum split): Rework for new patterns.
323 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
325 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
327 * c-common.c (c_common_nodes_and_builtins):
328 Create __builtin_ptrdiff_t and __builtin_size_t.
330 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
332 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
334 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
336 * regclass.c (globalize_reg): Re-instate test that allows
337 fixed registers to be declared as a variable even after functions
340 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
342 * i386.md (cpu attribute): Add "athlon".
343 (athlon_decode): New attribute.
344 (Athlon scheduling units definitions): New.
345 (fcmp and shld patterns): Set athlon_decode to "vector".
346 * i386.c (athlon_cost): New.
348 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
349 x86_use_sahf): Set for Athlon.
350 (x86_use_fiop): Unset for Athlon.
351 (override_options): Define Athlon alignments and "athlon" name.
352 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
353 * i386.h (TARGET_ATHLON): New.
354 (enum processor_type): Add PROCESSOR_ATHLON.
355 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
357 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
359 1999-12-09 Andreas Jaeger <aj@suse.de>
361 * loop.c (record_biv): Declare parameter as int.
363 * config/i386/i386-protos.h: Declare long_memory_operand.
365 1999-12-09 Mark Mitchell <mark@codesourcery.com>
367 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
368 EXPR_WITH_FILE_LOCATION.
370 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
372 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
375 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
377 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
380 1999-12-09 Jakub Jelinek <jakub@redhat.com>
382 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
383 default on linux64 again.
384 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
385 models for multilibing.
386 * genmultilib: Accept | as alternative separator within a set in
389 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
391 * calls.c (precompute_arguments): Make sure initial_value contains
392 value pseudo which CSE expects.
393 * cse.c (struct set): New entry orig_src.
394 (cse_insn): Set it early on entry, use it for libcall EQUIV note
397 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
399 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
401 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
403 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
405 1999-12-08 Jakub Jelinek <jakub@redhat.com>
407 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
408 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
410 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
413 * longlong.h: Merge in changes from glibc.
414 Also don't clobber %g2 register in 32bit SPARC assembly, so that
415 -mno-app-regs libgcc can be compiled.
416 * libgcc2.c: Add defines so that the updated longlong.h
417 can be used in libgcc2.a. Also, make sure on most architectures
418 (at least on all which have optimized code in longlong.h defined
419 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
421 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
423 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
424 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
425 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
427 * configure: Rebuilt.
429 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
431 * alpha.c (secondary_reload_class): For !BWX, sub-simode
432 outputs require a register.
434 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
436 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
437 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
438 functions like dptoul will be resolved.
439 (libgcc2.a): Make sure that the object files from DPBIT are named
440 differently (prefix `_dp') from those that would be coming from
443 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
445 * configure.in: When target is sparc* and tm_file contains 64,
446 test for 64bit support in assembler. If not supported, remove
447 sparc/t-sol2-64 from target-dependent Makefile fragments.
448 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
449 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
450 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
451 * acconfig.h (AS_SPARC64_FLAG): Added.
452 * configure, config.in: Rebuilt.
453 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
454 support. Use AS_SPARC64_FLAG.
456 1999-12-07 Jakub Jelinek <jakub@redhat.com>
458 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
459 suitable for holding OFmode values so that gcc works with complex
461 (hard_64bit_mode_classes): Likewise.
463 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
464 so that it is actually matched.
465 (sethi_di_medlow): Likewise.
467 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
468 as legitimate constant if -mvis.
469 * config/sparc/sparc.md (movtf): Likewise.
470 (clear_sf): Use const_double_operand.
471 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
473 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
474 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
475 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
476 routines, _Qp_* cannot be handled like that now.
477 (INIT_TARGET_OPTABS): Likewise.
478 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
479 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
480 sparc_emit_float_lib_cmp if ARCH64 and soft float.
481 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
482 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
483 divtf3, sqrttf3): New expanders.
484 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
485 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
486 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
489 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
490 * configure: Rebuilt.
491 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
492 -mcpu is given and we're doing 64bit compiles.
494 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
496 * loop.h (struct induction): Add multi_insn_incr.
497 * loop.c (basic_induction_var): New multi_insn_incr argument.
498 Set it if we search back through previous insns for the biv.
499 (record_biv): New multi_insn_incr argument; fill in struct induction.
500 (strength_reduce): Discard an iv with multiple bivs, any of
501 which require multiple insns to increment.
503 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
505 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
508 1999-12-06 David S. Miller <davem@redhat.com>
510 * combine.c (check_promoted_subreg): Do not conditionalize this upon
511 PROMOTE_FUNCTION_RETURN.
513 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
515 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
516 and handle REG_UNUSED note on insn.
518 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
519 inner_mask instead of mask.
521 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
523 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
524 zero if there was an error.
526 1999-12-06 Jakub Jelinek <jakub@redhat.com>
528 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
531 * longlong.h: Fix clobbers in SPARC asm statements.
533 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
534 valid sethi operations when TARGET_ARCH64.
536 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
537 always use move_by_pieces to avoid infinite recursion.
538 (restore_fixed_argument_area): Likewise.
540 * combine.c (check_promoted_subreg, record_promoted_value): New
542 (combine_instructions): Use them to retain nonzero and sign bit
543 information after SUBREGs are eliminated by optimizations in
544 this pass if PROMOTE_FUNCTION_RETURN.
546 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
547 .register declaration. Don't use variables with __ prefixes.
549 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
551 * fold-const.c (optimize_bit_field_compare): Only use one mode
552 for both RHS and LHS in non-constant case.
554 1999-12-06 Nathan Sidwell <nathan@acm.org>
556 * frame.c (start_fde_sort): Only allocate erratic array, if
557 linear one was allocated. Return allocated flag.
558 (fde_insert): Only insert, if there's a valid array.
559 (fde_end_sort): Split, sort and merge if linear and erratic
560 arrays exist, else just sort linear one.
561 (search_fdes): New function. Linear search through original fde
563 (frame_init): Permit multiple initializations. Cope with
565 (find_fde): Fallback on linear search, if failed to sort array.
566 (__deregister_frame_info): Only free sorted array, if we
569 1999-12-06 Jakub Jelinek <jakub@redhat.com>
571 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
573 1999-12-05 Jakub Jelinek <jakub@redhat.com>
575 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
577 1999-12-05 Mark Mitchell <mark@codesourcery.com>
579 * tree.h (special_function_p): Declare.
580 * calls.c (special_function_p): Make it global. Don't take `name'
581 as a parameter. Fix typo in 1999-11-28 change.
582 (expand_cal): Adjust.
584 1999-12-04 Mark Mitchell <mark@codesourcery.com>
586 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
587 * tree.h (EXPR_WFL_FILENAME): Define in terms of
588 EXPR_WFL_FILENAME_NODE.
589 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
591 * print-tree.c (print_note): Print TREE_PRIVATE and
594 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
595 the original die cannot be found.
597 * varray.h (varray_head_tag): Add elements_used.
598 (VARRAY_PUSH): New macro.
599 (VARRAY_POP): Likewise.
600 (VARRAY_TOP): Likewise.
601 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
603 * varray.c (varray_init): Initialize elements_used.
604 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
605 (INTEGRATE_H): New variable.
606 (integrate.o): Depend on INTEGRATE_H.
607 (unroll.o): Likewise.
609 * function.h (insert_block_after_note): Declare.
610 * function.c (insert_block_after_note): Split out from ...
611 (retrofit_block): ... here.
613 * stmt.c (expand_fixup): Fix typo in comment.
615 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
617 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
618 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
619 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
620 (regmove_optimize, fixup_match_1): Likewise.
622 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
624 * flow.c (flow_loops_dump): Add missing argument when calling
627 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
628 Greg McGary <gkm@gnu.org>
630 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
631 (init_attributes): Add A_NO_LIMIT_STACK.
632 (decl_attributes): Handle A_NO_LIMIT_STACK.
633 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
634 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
635 Handle stack bounds checking.
636 * flags.h (flag_stack_check): Use the word 'probe' rather than
637 'check', because the flag doesn't actually cause any checking to
639 * function.c (expand_function_start): Set
640 current_function_limit_stack.
641 * function.h (struct function): Add limit_stack.
642 (current_function_limit_stack): Define.
643 * invoke.texi (Code Gen Options): Document new options.
644 * rtl.h: Declare stack_limit_rtx.
645 * toplev.c (stack_limit_rtx): New variable.
646 (decode_f_option): Handle new options -fstack-limit-register=REG,
647 -fstack-limit-symbol=IDENT, -fno-stack-limit.
648 (main): Add stack_limit_rtx as GC root.
649 * tree.h (DECL_NO_LIMIT_STACK): New macro.
650 (struct tree_decl): New member no_limit_stack.
652 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
654 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
655 (conditional_trap+1): Get new mnemonic correct.
656 (conditional_trap+2): New pattern for DImode traps.
658 * config/m68k/m68k.c (output_function_prologue): Handle
660 * config/m68k/m68k.md (trap): New insn.
661 (conditional_trap): New insn.
662 * md.texi (Standard Names): Document `trap' and
664 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
665 so a cc0 setter doesn't get emitted at some random place in the
668 * config/i960/i960.md (trap): New insn.
669 (conditional_trap): New expander.
670 (conditional_trap+1, conditional_trap+2): New insns for signed
672 * config/i960/i960.c (i960_function_prologue): Use
673 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
675 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
676 Geoffrey Keating <geoffk@cygnus.com>
678 * flags.h (warn_padded, warn_packed): Add global var decls.
679 * toplev.c (warn_padded, warn_packed): Add global var defns.
680 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
681 * stor-layout.c (layout_record): Add local variable `type'
682 to hold often-used TREE_TYPE (field). Add local variable
683 `unpacked_align' to hold alignment that would be in force
684 if no `packed' attribute were present. Warn if `packed' attribute
685 is unnecessary, or even harmful. Warn when gcc inserts padding
686 to satisfy alignment requirements of members. Use NULL_TREE
687 when checking whether var_size is set.
688 * invoke.texi: Document new flags.
690 1999-12-03 Nathan Sidwell <nathan@acm.org>
692 * frame.c (fde_split): Reimplement to avoid variable sized array.
694 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
696 * combine.c (try_combine): Before fixing up LOG_LINKS for the
697 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
699 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
701 * invoke.texi: Document the mips option -mno-crt0
703 1999-12-02 Mike Karr <mkarr@mathworks.com>
705 * cccp.c (argdata): Added free_ptr member.
706 (macroexpand): Initialize free_ptr of each argument. When an
707 argument's buffers are freed, if the argument's free_ptr corresponds
708 to a buffer on the input stack, then return the free_ptr to that stack
709 frame, otherwise, free it.
710 (macarg): If an argument begins and ends on the same input stack level,
711 then transfer the free_ptr of that buffer to the argument in case
712 the stack is popped during the processing of a subsequent argument.
714 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
716 * loop.c (note_reg_stored): New function.
717 (struct note_reg_stored_arg): New structure.
718 (try_copy_prop): Change to be more conservative; only replace within
719 one extended basic block and stop replacing if a store to the
720 replacement reg is seen.
722 1999-12-02 Nick Clifton <nickc@cygnus.com>
724 * config/fp-bit.c: Initialise all fields of the NAN
727 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
730 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
732 * i386.md (extend?f?f2): Force the input into a register, not
735 1999-12-01 Jakub Jelinek <jakub@redhat.com>
737 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
739 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
740 alternative because setting up 64bit constant is usually costly,
741 especially when reload is in progress or completed.
742 (movdf_const_intreg_sp64): Likewise.
743 (movdf_const_intreg split): Fix building up constants when
744 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
746 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
748 * combine.c (if_then_else_cond): Use const_true_rtx instead of
749 const1_rtx for return values in EQ/NE comparison against (const_int 0)
752 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
753 (asm_file_start): Emit .am33 into assembly file when compiling for
755 (print_operand_address): Handle POST_INC addresses.
756 (can_use_return_insn, initial_offset): Check AM33 registers too.
757 (expand_prologue): Check & save AM33 registers too.
758 (expand_epilogue): Similarly.
759 (secondary_reload_class): Handle AM33 specific secondary reloads.
760 (output_tst): Emit efficient code for the AM33 too.
761 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
762 (TARGET_SWITCHES): Add -mam33 switch.
763 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
764 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
765 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
766 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
767 (enum reg_class, REG_CLASS_NAMES): Likewise.
768 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
769 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
770 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
771 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
772 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
773 (HAVE_POST_INCREMENT): Define.
774 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
775 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
776 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
777 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
778 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
779 (zero_extend to SI from QI/HI): Likewise.
780 (sign_extend to SI from QI/HI): Likewise.
781 (mulsidi3, umulsidi3): New patterns for the AM33.
782 (tstsi with zero extension from QI/HI): Add AM33 variants.
783 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
784 (return_internal_regs, store_movm): Handle new AM33 registers.
785 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
786 (LIBGCC, INSTALL_LIBGCC): Likewise.
787 * invoke.texi: Document new flags.
789 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
791 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
792 (addsi3_carry): Likewise.
793 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
794 (sbbsi3_carry): Likewise.
795 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
797 (test?i_1): Ensure that only one operand is memory.
798 (conditional move patterns): likewise.
799 (shift and rotate patterns): Rewrite to expander, add
800 "binary_operator_ok" to the condition.
802 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
803 * i386.h (procesor_costs): Add movzbl_load field.
804 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
805 non-Q registers, accept DImode registers anywhere.
807 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
808 * i386.c (*_cost): Set value for movxbl_load field.
810 * (addsi): New add to lea splitter.
812 (lea to add/shift peep2): New.
814 1999-12-01 Mark Salter <msalter@cygnus.com>
816 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
817 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
818 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
820 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
822 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
823 * i386.md (movsi_xor): New.
825 (movsi_1, movhi_1, movqi_1): Remove.
826 (movsi_2): Rename to movsi_1.
827 (movhi_2): Rename to movhi_1.
828 (movqi_2): Rename to movqi_1.
829 (movdi_1): Remove; remove splitter.
830 (movdi_2): Rename to movdi_1.
831 (divmodsi4 splitter): Do not emit clobbers for move patterns.
832 (long move peep2): Do not create QI or HI mode mov0s
833 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
835 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
838 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
839 (abs?f2_if): Likewise.
841 1999-11-30 Alex Samuel <samuel@codesourcery.com>
843 * ggc.h (ggc_test_and_set_mark): New macro.
844 (ggc_mark_rtx): Use ggc_test_and_set_mark.
845 (ggc_mark_tree): Likewise.
846 (ggc_mark_rtvec): Likewise.
847 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
849 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
851 * dwarf2out.c (scope_die_for): Only handle types. Only search for
853 (decl_scope_table): Just an array of trees now.
854 (push_decl_scope): Simplify.
855 (dwarf2out_init): Adjust.
856 (local_scope_p): New fn.
857 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
858 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
859 (gen_typedef_die): Likewise.
860 (gen_lexical_block_die): Don't call push/pop_decl_scope.
861 (gen_inlined_subroutine_die): Likewise.
862 (gen_abstract_function): Set current_function_decl temporarily.
863 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
864 Handle block extern declarations. Don't call push/pop_decl_scope.
865 (gen_decl_die): Fix logic for block externs.
867 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
869 * calls.c (special_function_p): Remove `realloc' and add `strdup'
870 to the list of functions which have attribute malloc by default.
872 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
874 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
875 integer constant does not match the traditional type, limit the
876 warnings to cases where the base of the type is ten.
878 * invoke.texi (-Wtraditional): Document it.
880 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
882 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
883 * rs6000.md: Only access a CONST_INT with INTVAL
885 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
887 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
888 (compute_nearerout): Likewise.
889 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
890 size_t to unsigned long for formatting.
892 1999-11-30 Jakub Jelinek <jakub@redhat.com>
894 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
895 Allow the user to override call-used/fixed state of %g2-5
896 registers from the command line (with the exception of %g4 for
898 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
899 there is a higher chance of having a leaf function.
900 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
901 for ARCH64 which has %ccr register.
902 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
904 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
905 insn accept into delay slot any insn which does not use %[ol]
906 registers. Accept some LO_SUM and shift left by 1 for the normal
908 (output_function_epilogue): Likewise.
909 (epilogue_renumber): Added argument which inhibits any renumbering
910 and just tests if the rtx does not use any %[ol] registers.
911 (output_return): Reflect above change.
913 1999-11-30 Jakub Jelinek <jakub@redhat.com>
915 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
916 aggregate passing for sizes <= 16 bytes.
918 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
920 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
921 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
922 * reload.c (find_dummy_reload): Likewise.
923 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
924 * reload1.c (reload_as_needed): Likewise.
925 * stupid.c (stupid_find_reg): Likewise.
926 * tm.texi (Obsolete Register Macros): Delete section.
927 * gmicro.h: Remove all traces of the two macros.
932 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
934 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
935 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
936 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
937 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
938 units for the sparclite86x chip.
939 (flush): Revert October 14th change; add SImode specifically.
940 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
941 * invoke.texi: Document it.
943 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
945 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
946 psimode_truncation_operand.
948 * config/mn10200/mn10200.c (psimode_truncation_operand): New
949 function. Return true if the operand is either a MEM valid
950 for a PSImode address or not a MEM at all.
952 * config/mn10200/mn10200.md (truncsipsi2): Use
953 psimode_truncation_operand.
955 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
957 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
958 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
959 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
960 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
961 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
962 (flow_loop_level_compute, low_loops_level_compute): Likewise.
963 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
964 * basic-block.h: Protect from multiple inclusion.
965 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
966 (struct loops, struct loop): Define structures.
967 * sbitmap.c (sbitmap_a_subset_b_p): New function.
968 * sbitmap.h: Protect from multiple inclusion.
969 (sbitmap_a_subset_b_p): Add prototype.
970 * Makefile.in (LOOP_H): New macro.
971 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
973 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
975 * cppinit.c (CAT): The argument list of this macro may not contain
978 1999-11-29 David S. Miller <davem@redhat.com>
980 Move quantity tables and register equivalence chains into
981 per-qty and per-register structure arrays respectively.
982 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
983 qty_const_insn, qty_comparison_code, qty_comparison_const,
984 qty_comparison_qty): Delete, replace with...
985 (qty_table): this structure table.
986 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
987 (reg_eqv_table): this structure table.
988 (make_new_qty): Add argument MODE. Caller updated.
989 Update to use qty_table and reg_eqv_table.
990 (make_regs_eqv, delete_reg_equiv, insert_regs,
991 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
992 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
993 cse_process_notes, cse_main, cse_basic_block): Likewise.
995 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
997 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
998 operation if C is negative.
999 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1000 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1001 law for some divisions if constant is negative and change other
1002 divisions to the opposite rounding.
1004 * expr.c (store_constructor_field): If bit position is not multiple
1005 of alignment of TARGET's mode, use BLKmode.
1007 * expr.c (expand_expr_unaligned): Add more code from full case
1008 that is needed when OP0 is in a register.
1010 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1012 * dwarfout.c (field_byte_offset): Size can be zero if there was
1015 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1017 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1018 (associate_trees): Delete unused var TEM.
1019 (extract_muldiv): Delete unused var CANCEL_P.
1021 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1022 (target_isinf, target_isnan, target_negative): Add return types to
1023 function definitions.
1025 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1027 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1028 * fixinc/hackshell.tpl: ditto
1029 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1030 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1032 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1034 * reload.c (push_reload): When looking for a register to put into
1035 reg_rtx, make sure all hard regs in a multi-reg register are in the
1036 right class and nonfixed.
1038 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1039 pending_read_insns, pending_write_insns, pending_read_mems,
1040 pending_write_mems, pending_list_length, last_pending_memory_flush,
1041 last_function_call, sched_before_next_call): Move static variables
1043 (bb_ prefixed versions): Replace with single array bb_deps.
1044 (struct deps): New structure.
1045 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1046 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1047 argument of type "struct deps *"; use that instead of global
1048 variables. All callers changed.
1049 (init_rgn_data_dependencies): Delete function.
1050 (init_rtx_vector): Delete function.
1051 (init_deps): New function.
1053 (free_pending_lists): Simplify, we always use the bb_deps array even
1054 if only one basic block.
1055 (compute_block_backward_dependences): Likewise.
1056 (schedule_region): Likewise.
1058 (propagate_deps): New function, broken out of
1059 compute_block_backward_dependences.
1060 (compute_block_backward_dependences): Use it.
1062 * alpha.md: Delete useless patterns that tried to work around
1063 register elimination problems.
1065 * unroll.c (loop_iterations): Don't abort if iteration variable
1068 From Joern Rennecke:
1069 * reload1.c (reloads_conflict): Reverse test comparing operand
1070 numbers when testing for conflict between output/outaddr reloads.
1072 1999-11-29 David S. Miller <davem@redhat.com>
1074 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1076 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1078 1999-11-28 Robert Lipe <robertl@cygnus.com>
1080 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1081 table from .fini into .dtor.
1083 1999-11-28 Anthony Green <green@cygnus.com>
1085 * tree.h (struct tree_decl): Add malloc_flag.
1086 (DECL_IS_MALLOC): Define.
1087 * c-common.c (attrs): Add A_MALLOC attribute.
1088 (init_attributes): Add this attribute to the table.
1089 (decl_attributes): Handle malloc attribute.
1090 * calls.c (special_function_p): Check for the malloc attribute.
1091 * extend.texi (Function Attributes): Document malloc attribute.
1093 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1095 * pa.md (reload shift-add patterns): Remove.
1097 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1099 * reorg.c (dbr_schedule) Print more statistics. Corrected
1100 problem when printing info when 3 delay slots are filled.
1102 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1104 * combine.c (setup_incoming_promotions): Pass an outgoing
1105 regno to FUNCTION_ARG_REGNO_P which it expects.
1107 1999-11-28 Andreas Jaeger <aj@suse.de>
1109 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1111 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1113 * cccp.c (do_include): Avoid initialization of automatic variable.
1115 * integrate.c (mark_stores): Function definition made void, to match
1116 previous declaration.
1117 * regclass.c (dump_regclass): Ditto.
1118 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1120 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1122 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1123 known to be multiple of divisor.
1125 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1127 * combine.c (try_combine): Add code to try to merge a set of a
1128 two-word pseudo to a constant with a setting of one of those words
1131 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1132 (split_tree): Completely rework to make more general.
1133 (make_range, fold): Call negate_expr.
1134 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1135 (fold, associate): Call new split_tree and associate_trees.
1136 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1138 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1140 * loop.c (try_copy_prop): Avoid GNU C extension.
1142 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1144 * except.c (init_eh_for_function): Still zero eh_return_context,
1145 eh_return_stack_adjust, and eh_return_handler.
1147 * except.h (eh_status): Adjust documentation for x_protect_list.
1148 (begin_protect_partials): New function.
1149 * except.c (enqueue_eh_entry): Fix formatting.
1150 (get_first_handler): Add consistency check.
1151 (add_partial_entry): Adjust usage of protect_list.
1152 (emit_cleanup_handler): Save and restore ehqueue.
1153 (expand_start_all_catch): Add comment.
1154 (begin_protect_partials): New function.
1155 (end_protect_partials): Adjust usage of protect_list.
1156 (init_eh_for_function): Use xcalloc.
1158 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1160 * c-common.c (check_format_info): Don't call a variadic function
1161 with a non-literal format string.
1163 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1165 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1166 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1169 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1172 * collect2.c (collect_wait): Likewise.
1174 * dbxout.c (dbxout_type): Likewise.
1176 * gcc.c (do_spec_1): Likewise.
1178 * genemit.c (gen_insn, gen_expand): Likewise.
1180 * genrecog.c (write_switch, write_subroutine): Likewise.
1182 * mips-tfile.c (catch_signal, botch): Likewise.
1184 * print-rtl.c (print_rtx): Likewise.
1186 * toplev.c (default_print_error_function, report_error_function,
1187 _fatal_insn): Likewise.
1189 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1191 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1193 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1195 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1196 operations when needed.
1197 * i386.md (fop_?f_comm): New.
1198 (fop_?f_1): Do not accept commutative operands.
1200 1999-11-25 Andreas Jaeger <aj@suse.de>
1202 * config/mips/mips.md (casesi_internal): Add missing brace.
1204 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1206 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1207 (splice_child_die): Handle moving a child DIE from the declaration
1208 DIE of a class to its specification.
1209 (gen_struct_or_union_type_die): Use 'complete' consistently.
1210 (gen_decl_die): Generate the virtual context DIE first.
1211 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1213 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1215 * config/mips/mips.md (call_value_multiple_interanal1): New.
1217 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1219 * dwarf2out.c (free_AT, free_die): New fns.
1220 (remove_children): Call them.
1221 (output_line_info): Disable removal of duplicate notes.
1223 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1224 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1225 means pretend the type isn't defined.
1226 Don't defer emitting types.
1227 (gen_type_die_for_member): New fn.
1228 (gen_decl_die): Call it.
1229 (splice_child_die): New fn.
1230 (gen_member_die): Call it rather than generate duplicate dies.
1232 Defer emitting information for the abstract instance of an inline
1233 until we either inline it or emit an out-of-line copy.
1234 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
1235 from output_inline_function if DECL_ABSTRACT is also set.
1236 (block_ultimate_origin): Likewise.
1237 (gen_abstract_function): New fn.
1238 (gen_decl_die, gen_inlined_subroutine_die): Call it.
1239 (gen_subprogram_die): An abstract instance is not a declaration
1240 just because it doesn't match current_function_decl. Don't abort
1241 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
1242 has an abstract origin.
1243 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
1244 abstract instance here.
1246 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
1248 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
1249 where we need to reload fpul from a system register.
1251 1999-11-24 Andreas Jaeger <aj@suse.de>
1253 * config/mips/linux.h (CPP_PREDEFINES): Added.
1254 (LINK_SPEC): Remove -Y since this is only needed on sparc.
1256 1999-11-24 Andreas Jaeger <aj@suse.de>
1258 * config/mips/linux.h (TARGET_VERSION): Added.
1259 (HANDLE_SYSV_PRAGMA): Added.
1260 (DEFAULT_VTABLE_THUNKS): Added.
1262 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1264 * local-alloc.c (qty): New structure and static variable.
1265 (qty_phys_reg): Remove, all references changed to qty.
1266 (qty_n_refs): Likewise.
1267 (qty_min_class): Likewise.
1268 (qty_birth): Likewise.
1269 (qty_death): Likewise.
1270 (qty_size): Likewise.
1271 (qty_mode): Likewise.
1272 (qty_n_calls_crossed): Likewise.
1273 (qty_alternate_class): Likewise.
1274 (qty_changes_size): Likewise.
1275 (qty_first_reg): Likewise.
1276 (alloc_qty): Rename variable QTY to QTYNO.
1277 (finf_free_reg): Likewise.
1278 (local_alloc): Allocate qty, do not allocate the removed variables.
1280 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
1282 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
1283 when -membedded-pic is passed.
1285 * config/mips/mips.md (casesi): Handle 64-bit case too.
1286 (casesi_internal_di): New insn.
1288 * config/mips/mips.c (embedded_pic_offset): Always make the
1289 embedded-pic subtractions relative to the name of the current
1290 function by use of the magic string "..CURRENT_FUNCTION".
1291 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
1293 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
1295 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
1296 of (const_int 0), when what we really care about is
1297 whether it's a zero constant anyway.
1298 (div_trap_mips16): Likewise.
1300 1999-11-23 Mark Mitchell <mark@codesourcery.com>
1302 * loop.c (loop_optimize): Always find_loop_tree_blocks and
1303 unroll_block_trees when generating debuggable code.
1305 * tree.h (unsave_expr_1): New function.
1306 (lang_unsave): New variable.
1307 (get_callee_fndecl): New function.
1308 * tree.c (unsave_expr_now_r): New function.
1309 (lang_unsave): Define.
1310 (unsave_expr_1): Likewise.
1311 (unsave_expr_now_r): Split out from unsave_expr_now.
1312 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
1313 call unsave_expr_now_r.
1314 (get_callee_fndecl): Define.
1316 * Makefile.in (gencheck): Don't depend on lang_tree_files.
1317 (gencheck.o): Do depend on lang_tree_files.
1319 * integrate.h (copy_decl_for_inlining): New declaration.
1320 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
1321 (copy_decl_for_inlining): New function.
1322 (integrate_parm_decls): Use it.
1323 (integrate_decl_tree): Likewise.
1325 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
1327 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
1328 the second two from the first.
1329 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
1330 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
1331 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1333 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
1334 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1337 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
1339 * pa.md (call_internal_symref, call_value_internal_symref): No mode
1340 needed on the address operand.
1341 * pa.c (call_operand_address): Check for the correct mode.
1343 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
1345 * loop.c: Include "basic-block.h".
1346 (try_copy_prop, replace_loop_reg): New functions.
1347 (load_mems): Detect registers that just hold copies of the hoisted
1348 mem, and call try_copy_prop to eliminate them.
1349 * Makefile.in (loop.o): Update dependencies.
1351 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
1353 * Makefile.in (gencheck.o): Depend on gencheck.h.
1354 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
1355 (insn-peep.o): Depend on except.h and function.h.
1356 (insn-attrtab.o): Depend on RECOG_H.
1357 (insn-output.o): Depend on toplev.h and flags.h.
1358 (gengenrtl.o): Depend on real.h.
1359 (gen-protos.o): Depend on cpplib.h and cpphash.h.
1360 Unify all dependencies to be on RECOG_H rather than recog.h.
1362 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1364 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
1365 * configure.in: Try building a bi-arch 32/64-bit compiler on
1366 sparc-*-solaris2.7 and higher.
1367 * configure: Rebuild.
1369 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
1371 * config/freebsd.h: New, FreeBSD architecture independent file.
1372 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
1374 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
1375 directly by i386/freebsd.h.
1376 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
1377 independent configuration file.
1378 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
1379 directly by i386/freebsd.h.
1380 * configure: Rebuilt.
1382 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
1383 which is in the user's namespace.
1384 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
1385 `i386' which is not in our namespace.
1387 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1389 * invoke.texi (ARM Options): Add in -mno-alignment-traps
1391 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1393 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
1394 (add_dwarf_attr, add_child_die): Just push onto the front.
1395 (reverse_die_lists): New fn.
1396 (add_sibling_attributes): Use it.
1397 (push_decl_scope): Reorganize.
1398 (add_name_and_src_coords_attributes): Don't set file and line for
1400 (gen_subprogram_die): An artificial function doesn't need to match
1402 (gen_compile_unit_die): Return the generated die. Only add
1403 AT_comp_dir if the filename is relative.
1404 (remove_AT): Simplify loop. Also free string values.
1405 (output_die): A DIE ref can't be null.
1406 (output_value_format, value_format): Take a dw_attr_ref.
1407 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
1408 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1409 AT_addr, AT_lbl): New fns.
1410 (various): Use them.
1411 (various): Constify.
1413 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1415 * combine.c (combine_simplify_rtx): When handling a SUBREG,
1416 take SUBREG_WORD into account.
1417 (if_then_else_cond): Likewise.
1419 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1421 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
1422 clause from BSD license, pursuant with
1424 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
1426 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
1428 * loop.c (load_mems): Reformat slightly.
1429 * basic-block.h (regset_head): New typedef.
1430 (INIT_REG_SET): New macro.
1432 1999-11-22 Bruce Korb <autogen@linuxbox.com
1434 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
1435 (mips-dec-bsd*): non-functional code
1436 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
1438 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
1439 added three replacement fixes
1440 (no_double_slash): removed comments that are not (any longer) pertinent
1441 (bad_lval): this fix currently runs against many files.
1442 The comment seems to indicate that we should select for files
1443 containing 'pragma extern_prefix'.
1445 * fixinc/fixinc.x86-linux-gnu: deleted
1446 * fixinc/inclhack.sh: regen
1447 * fixinc/fixincl.x: regen
1448 * fixinc/fixincl.sh: regen
1450 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
1452 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
1453 its code is INSN and it has no notes.
1455 1999-11-22 Andrew Haley <aph@cygnus.com>
1457 * varasm.c (function_defined): Remove.
1458 (make_function_rtl): Don't set function_defined.
1459 (make_decl_rtl): Remove global register warning.
1460 * regclass.c (no_global_reg_vars): New variable.
1461 (globalize_reg): Warn if function has already been defined.
1462 (regclass_init): Set no_global_reg_vars.
1464 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1466 * regclass.c (reg_pref): New structure and static variable
1467 (prefclass): Delete.
1469 (all uses of prefclass and altclass): Use reg_pref instead.
1471 1999-11-21 Nick Clifton <nickc@cygnus.com>
1473 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
1475 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
1476 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1477 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1479 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
1481 * varasm.c (output_constructor): Solve problem with long long
1482 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
1484 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1486 * global.c (allocno): New structure and static variable.
1487 (allocno_reg): Remove, all references replaced by allocno.
1488 (allocno_size): Likewise.
1489 (hard_reg_conflicts): Likewise.
1490 (hard_reg_preferences): Likewise.
1491 (hard_reg_copy_preferences): Likewise.
1492 (hard_reg_full_preferences): Likewise.
1493 (regs_someone_prefers): Likewise.
1494 (allocno_calls_crossed): Likewise.
1495 (allocno_n_refs): Likewise.
1496 (allocno_live_length): Likewise.
1497 (find_reg): Rename ALLOCNO to NUM.
1499 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
1501 (may_move_out_cost): New variable.
1502 (init_reg_sets_1): Initialize may_move_out_cost.
1503 (record_reg_classes): Use may_move_out_cost.
1505 * regclass.c (dump_regclass): New function.
1506 (regclass): New parameter DUMP, call DUMP_REGCLASS.
1507 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
1508 pass rtl_dump_file to regclass.
1509 * rtl.h (regclass): Update prototype.
1511 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1513 * i386.md (neg, not and abs patterns): Revmap to use
1514 ix86_expand_unary_operator and ix86_unary_operator_ok.
1515 (add?f and sub?f expanders): Force operand 1 to register.
1516 * i386.c (ix86_expand_unary_operator): Rewrite.
1517 (ix86_unary_operator_ok): Ensure that memory operands
1519 (ix86_binary_operator_ok): Do not allow operand 1 to
1520 come into memory and operand 0 not.
1521 (ix86_expand_binary_operator): Ensure that
1522 src1 is not non-matching memory.
1524 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
1525 to support integer registers and memory.
1526 (abss?2_integer): Likewise.
1528 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
1529 (REG_CLASS_NAMES): Likewise.
1530 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
1532 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
1533 (movsf): Likewise; unify 4th and 5th alternative.
1535 (movdf_1): Likewise; rename to movdf_integer.
1536 (pushxf): Likewise; rename to pushxf_integer; fix output template;
1537 remove redundant splitter.
1538 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
1539 (movdf_nointeger): New.
1540 (movxf_nointeger): New.
1541 (pushxf_nointeger): New.
1543 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1544 memory operands in patterns.
1545 (fop*): Refuse two memory operands.
1547 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1548 on !TARGET_USE_CLTD CPUs.
1550 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1552 * extend.texi: Document C++ restricted pointers and references.
1554 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
1556 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
1557 (invalidate_skipped_set): Call it unconditionally.
1558 (cse_set_around_loop): Likewise.
1560 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1562 * rtl.texi (mem): Add documentation for alias-set argument
1565 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1567 * i386.h (struct_processor_costs): New fields int_load, int_store,
1568 fp_move, fp_load and fp_store
1569 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
1571 (MEMORY_MOVE_COST): New macro.
1572 * i386.c (386_cost): Define new fields.
1573 (i486_cost): Likewise.
1574 (pentium_cost): Likewise.
1575 (pentiumpro_cost): Likewise.
1576 (k6_cost): Likewise.
1578 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
1579 Geoffrey Keating <geoffk@cygnus.com>
1581 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
1583 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
1586 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
1587 (TARGET_STRICT_ALIGNMENT): New macro.
1588 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
1589 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
1590 * invoke.texi (M680x0 Options): Document -mstrict-align.
1592 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
1593 Richard Henderson <rth@cygnus.com>
1595 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
1596 (ix86_split_long_move): Declare.
1597 * i386.c (split_xf, ix86_split_movdi): Remove.
1598 (ix86_split_to_parts, ix86_split_long_move): New.
1599 * i386.md (dimode move splitters): Use ix86_split_long_move.
1600 (dfmode move splitters): Likewise.
1601 (xfmode move splitters): Likewise.
1602 (movsf_1): Allow F->r.
1603 (movdf_1, movxf_1): Allow F->ro.
1605 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1607 * except.h (struct eh_entry): Add goto_entry_p.
1608 (eh_region_from_symbol): Remove prototype.
1609 * except.c (find_func_region_from_symbol): New function.
1610 (emit_cleanup_handler): Likewise.
1611 (eh_region_from_symbol): Make it static.
1612 (add_new_handler): Verify the argument.
1613 (find_func_region): Update comment.
1614 (expand_eh_region_end): Expand handlers here, rater than waiting
1615 until expand_leftover_cleanups or start_all_catch.
1616 (expand_leftover_cleanups): Don't expand here.
1617 (expand_start_all_catch): Or here.
1618 (expand_rethrow): Check the return value from find_func_region.
1619 * function.c (expand_function_end): Emit the catch_clauses.
1621 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
1623 * integrate.c (expand_inline_function): Add necessary check for NULL.
1625 1999-11-18 Nick Clifton <nickc@cygnus.com>
1627 * toplev.c (main): Correctly detect an unrecognised option.
1629 * cppinit.c (cpp_handle_option): Do not claim to have consumed
1630 a -f option if it has not been recognised.
1632 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
1634 * basic-block.h (update_life_extent): Remove trailing comma on
1635 enumeration type list.
1637 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1639 * varasm.c (output_constructor) Solved problem with long long
1640 bitfields. Corrected calculating this_time and shift. Also
1641 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
1643 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
1645 * flow.c (split_edge): Take looping structure into account when
1646 determining where to put the new block note.
1648 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
1650 * Makefile.in (ggc-none.o): Provide host specific version if
1653 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
1655 * cse.c (delete_trivially_dead_insns): Identify no-op insns
1656 containing subregs too.
1658 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1660 * invoke.texi: Add documentation for -muninit-const-in-rodata.
1661 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
1662 (TARGET_UNINIT_CONST_IN_RODATA): Define.
1663 (text_section): Add switches -munint-const-in-rodata and
1664 -mno-uninit-const-in-rodata.
1665 (ASM_OUTPUT_COMMON): Remove.
1666 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
1667 const objects should be placed in read-only data. Otherwise declare
1670 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
1672 * jump.c (jump_optimize_1): Revert last change.
1674 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
1676 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
1677 test if optimizing for size.
1679 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1681 * Makefile.in (toplev.o): Depend on except.h.
1682 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
1684 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1686 * i386.md (divmodsi4): Rewrite to expander.
1687 (*divmodsi4_nocltd): New.
1688 (*divmodsi4_cltd): New.
1689 (divmodsi4 splitter): Handle the case when input comes in edx.
1690 (udivmodhi4): Do not use constraints in exander.
1691 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
1693 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
1695 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
1696 for the common case.
1698 1999-11-16 Jakub Jelinek <jakub@redhat.com>
1700 * explow.c (hard_function_value): Add outgoing argument.
1701 * expr.h (hard_function_value): Declare it.
1702 * calls.c (expand_call, emit_library_call_value): Update callers.
1703 * function.c (aggregate_value_p): Ditto.
1704 (diddle_return_value): Must look at the outgoing registers
1705 on archs with register windows.
1707 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
1709 * alpha.c (alpha_build_va_list): Use make_lang_type and
1710 initialize TYPE_NAME for the va_list record.
1712 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
1714 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
1716 * ggc.h (struct ggc_statistics): Rearrange elements for better
1717 packing on 64-bit hosts.
1718 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
1719 (compute_nearerout): Likewise.
1721 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
1723 * config/rs6000/rs6000.c (first_reg_to_save): Save
1724 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
1726 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
1728 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
1729 notion of nesting to find the DIE for a type or function.
1730 DIEs can go in limbo even if we got a context_die.
1731 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
1732 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
1734 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
1735 (gen_type_die): Writing out the context doesn't cause member class
1736 template instantiations to be written out as well.
1738 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
1740 * rs6000.h (ASM_OUTPUT_DEF): New.
1741 Based on proposed addition from David Edelsohn.
1743 1999-11-15 Robert Lipe <RobertLipe@usa.net>
1744 Bruce Korb <autogen@linuxbox.com>
1746 * fixinc/inclhack.def
1747 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
1748 (unixware7_byteorder_fix): added. Removes conflicts for new defs
1750 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
1751 (svr4_endian): enabled with SVR5
1752 (svr4_mkdev): simplified syntax and enabled with SVR5
1754 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
1756 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
1757 * configure: Rebuilt.
1758 * config/t-freebsd-thread: New file.
1760 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
1762 * i386.c (ix86_decompose_address): Verify the base is a REG
1763 before trying to examine its register number.
1765 * basic-block.h: Remove all #defines and prototypes related to
1767 (free_bb_mem, compute_preds_succs): Remove prototype.
1768 * rtl.h (free_bb_mem): Remove prototype.
1769 * flow.c (alloc_int_list_node); Remove function.
1770 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
1771 (compute_preds_succs, free_bb_mem): Likewise.
1772 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
1773 * toplev.c (rest_of_compilation): Likewise.
1774 * haifa-sched.c (build_control_flow): Use flow generated edge
1775 list to build the haifa specific edge list.
1776 (find_rgns): Use new CFG data structures instead of pred/succ lists.
1777 (schedule_insns): Do not build pred/succ lists anymore. Instead
1778 build the edge table.
1780 * basic-block.h (dump_bb_data): Remove declaration.
1781 * flow.c (dump_bb_data): Remove function.
1782 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
1783 (sbitmap_union_of_predsucc): Likewise.
1785 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
1786 argument. All callers changed.
1787 (delete_null_pointer_checks_1): No longer need to compute the
1790 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
1791 All callers changed.
1792 (pre_expr_reaches_here_p_work): Likewise.
1793 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
1794 * lcm.c (compute_laterin): Fix initialization of LATER.
1795 (compute_nearerout): Similarly for NEARER.
1797 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1799 * cse.c (set_nonvarying_address_components): Delete unused function.
1800 (refers_to_p): Likewise.
1802 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
1804 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
1807 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1809 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
1810 definition in do while (0).
1812 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
1814 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
1816 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
1818 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
1820 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1822 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
1823 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
1824 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
1825 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
1827 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
1828 saved on the stack. Output more accurate stack frame statistics
1829 into assembler file.
1831 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
1833 * genextract.c (record_insn_name): New function.
1834 (get_insn_name): No longer a stub.
1835 (main): Call record_insn_name for each insn. After each label
1836 written, print the insn name in a comment.
1838 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1840 * output.h (const_section, init_section, fini_section): Add
1843 * alpha/elf.h (const_section): Delete declaration.
1845 * svr4.h (const_section): Likewise.
1847 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
1849 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
1850 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
1851 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
1853 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
1854 variable-sized array bounds.
1856 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
1858 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
1861 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1863 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
1864 addresses the same way GO_IF_LEGITIMATE_INDEX does.
1866 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1868 * cse.c (hash_arg_in_struct): Delete.
1869 (struct table_elt): Delete elt in_struct.
1870 (struct set): Delete elt src_in_struct.
1871 (merge_equiv_classes): Don't set either hash_arg_in_struct or
1872 the corresponding in_struct elts.
1873 (canon_hash): Likewise.
1874 (safe_hash): Likewise.
1875 (find_best_addr): Likewise.
1876 (record_jump_cond): Likewise.
1877 (cse_insn): Likewise.
1879 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
1881 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
1883 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
1886 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
1888 * function.c (diddle_return_value): Put back check that the DECL_RTL
1889 for the function is a register.
1891 * function.c (diddle_return_value): Use hard_function_value to
1892 get an rtx suitable for use in the USE/CLOBBER insn.
1894 * global.c (global_conflicts): Update comments.
1895 (record_conflicts): No need to record conflicts between pseudos here.
1897 1999-11-11 Bruce Korb <autogen@linuxbox.com>
1899 * fixinc/fixincl.c: Added verbose levels for status messages
1901 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1903 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
1904 operand as argument to expand_and or expand_binop.
1906 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
1908 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
1909 gcc_add_string_root.
1911 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
1913 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
1915 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
1917 * flow.c (compute_flow_dominators): Initially put all blocks on
1919 * lcm.c (compute_antinout_edge, compute_available): Similarly.
1920 * gcse.c (compute_cprop_avinout): Remove.
1921 (compute_cprop_data): Use compute_available.
1922 (delete_null_pointer_checks_1): Use compute_available.
1924 * basic-block.h (compute_available): Returns a void now.
1925 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
1926 to return a value anymore.
1927 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
1928 worklists. Fix boundary cases. Compute maximal solutions.
1929 (compute_laterin, compute_nearerout): Similarly.
1931 * dwarf2out.c (add_AT_location_description): Allow
1932 (mem (plus (pseudo) (...)) too.
1934 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
1936 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
1938 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
1939 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1941 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
1943 * gansidecl.h: Likewise.
1949 * toplev.h: Likewise.
1955 * varray.c: Likewise.
1957 * varray.h: Likewise.
1959 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1961 * gcov.c (struct arcdata): Add hits and total, remove prob.
1962 (output_branch_counts): New.
1963 (process_args): Set output_branch_counts if -c.
1964 (calculate_branch_probs): Store hits and total instead of
1966 (output_data): Emit counts if output_branch_counts is true.
1967 * gcov.texi (Invoking Gcov): Document -c switch..
1969 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1971 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1972 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1974 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1976 * invoke.texi (C Dialect Options): Add missing builtins from
1978 * extend.texi (Other Builtins): Copy to this list.
1980 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1982 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1983 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1986 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1988 * flow.c (compute_flow_dominators): No longer treat basic block 0
1989 or (n_basic_blocks - 1) specially. Clear the AUX field before
1990 starting computation of doms/pdoms. Fix initial state for pdoms.
1992 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1994 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
1995 match rtl.o's: added ggc.h and toplev.h
1996 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
1997 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
1998 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2000 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2002 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2003 from HAVE_DOS_BASED_FILESYSTEM.
2004 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2005 HAVE_DOS_BASED_FILESYSTEM.
2007 (split_directories): Only special-case DOS file names if
2008 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2009 instead of explicit tests. Conditionalize on !VMS.
2010 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2011 tests. Conditionalize on !VMS.
2012 (process_command): Only use make_relative_prefix if !VMS.
2013 (free_split_directories): Conditionalize on !VMS.
2014 (DIR_UP): Conditionalize on !VMS.
2016 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2018 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2020 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2022 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2025 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2027 * invoke.texi (Environment Variables): Document relative path
2029 * gcc.c (DIR_UP): If not defined, define as "..".
2030 (standard_bindir_prefix): New static, holds target location to
2032 (split_directories): New function to split a filename into
2033 component directories.
2034 (free_split_directories): New function, release memory allocated
2035 by split_directories.
2036 (make_relative_prefix): New function, make a relative pathname if
2037 the compiler is not in the expected location.
2038 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2039 can figure out an appropriate prefix from argv[0].
2040 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2041 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2042 STANDARD_BINDIR_PREFIX.
2044 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2046 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2048 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2049 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2050 c4x_secondary_memory_needed) Delete.
2051 (fp_zero_operand): Add mode argument.
2053 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2055 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2056 that is in reload_reg_used.
2058 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2060 * config/arm/arm-protos.h: New file: Prototypes for functions
2061 defined in arm.c and pe.c.
2062 * config/arm/arm.h: Fix compile time warnings.
2063 * config/arm/arm.c: Fix compile time warnings.
2064 * config/arm/pe.h: Fix compile time warnings.
2065 * config/arm/aout.h: Fix compile time warnings.
2067 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2069 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2072 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2073 Add support for subtargets.
2074 Add prototypes for new predicates.
2075 Add scheduling macros.
2077 * config/m32r/m32r.c: Fix compile time warnings.
2078 (int8_operand): New predicate function.
2079 (reg_or_cmp_int16_operand): New predicate function.
2080 (extend_operand): New predicate function.
2081 (m32r_adjust_code): New scheduling function.
2082 (m32r_adjust_priorty): New scheduling function.
2083 (m32r_sched_init): New scheduling function.
2084 (m32r_sched_reorder): New scheduling function.
2085 (m32r_sched_variable_issue): New scheduling function.
2086 (direct_return): New codegen function.
2087 (m32r_not_same_reg): New rtl testsing function.
2089 * config/m32r/m32r.md: Fix compile time warnings.
2090 Add support for pre decrement and post increment memory
2095 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2097 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2098 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2099 (find_reg): Likewise.
2101 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2103 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2104 to avoid assembler errors.
2106 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2108 * config/v850/v850-protos.h: New file: Prototypes for functions
2110 * config/v850/v850.h: Move prototypes to v850-protos.h
2111 * config/v850/v850.c: Move prototypes to v850-protos.h
2112 * config/v850/v850.md: Fix compile time warnings.
2114 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2116 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2117 * config/fr30/fr30.c: Fix compile time warnings.
2118 * config/fr30/fr30.md: Fix compile time warnings.
2120 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2122 * tree.h (get_containing_scope): Declare it.
2123 * tree.c (get_containing_scope): New fucntion.
2124 (decl_function_context): Use it.
2125 * toplev.c (rest_of_compilation): Use get_containing_scope.
2127 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2129 * Makefile.in (rtl.o): Depend on toplev.h.
2131 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2133 * cse.c (delete_trivially_dead_insns): Replace alloca with
2135 * except.c (update_rethrow_references): Likewise.
2136 (init_eh_nesting_info): Likewise.
2137 * function.c (identify_blocks): Likewise.
2138 * gcse.c (dump_hash_table): Likewise.
2139 * graph.c (print_rtl_graph_with_bb): Likewise.
2140 * loop.c (combine_movables): Likewise.
2141 (move_movables): Likewise.
2142 (count_loop_regs_set): Likewise.
2143 (strength_reduce): Likewise.
2144 * profile.c (compute_branch_probabilities): New function, split
2146 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2147 * regclass.c (regclass): Likewise.
2148 * regmove.c (regmove_optimize): Likewise.
2149 * toplev.c (compile_file): Likewise.
2150 (main): Don't mess with the stack rlimit.
2152 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2154 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2155 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2157 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2159 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2161 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2163 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2164 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2167 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2169 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2171 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2173 * gcse.c (post_dominators): Kill.
2174 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2175 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2176 pass in a pdom array since we do not need pdoms.
2177 * haifa-sched.c (schedule_insns): Similarly.
2178 * flow.c (compute_dominators): Remove dead function.
2179 (compute_flow_dominators): Do not compute doms or pdoms if the
2180 caller does not request them. Split up loop to build doms and
2181 pdoms. Use a worklist to compute doms and pdoms.
2182 * basic-block.h (compute_dominators): Remove prototype.
2184 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2186 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2187 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2188 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2189 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2190 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2191 (schedule_region): Remove unused variable.
2192 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2194 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2196 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2197 (update_equiv_regs): Likewise.
2198 (block_alloc): Likewise.
2199 * reg-stack.c (reg_to_stack): Likewise.
2200 (convert_regs_2): Likewise.
2201 * reload1.c (reload_as_needed): Likewise.
2203 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2205 * Makefile.in (dbxout.o): Depend on ggc.h.
2206 (dwarf2out.o): Likewise.
2207 (xcoffout.o): Likewise.
2208 * dbxout.c: Include ggc.h.
2209 (dbxout_init): Register lastfile as a root.
2210 * dwarf2out.c: Include ggc.h.
2211 (dwarf2out_line): Register lastfile as a root.
2212 * xcoffout.c: Include ggc.h.
2213 (xcoffout_source_line): Register xcoff_lastfile as a root.
2215 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2217 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2219 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2221 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2223 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2225 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2227 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
2228 (EXECUTE_IF_CONFLICT): Likewise.
2229 (ALLOCNO_LIVE_P): Avoid signed division.
2230 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
2231 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
2232 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
2234 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
2236 * haifa-sched.c (schedule_block): Don't crash if there's no
2237 next insn for an interblock movement.
2238 (add_branch_dependences): Don't allow clobber insns to move either.
2240 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
2242 * i386.c (split_xf): New.
2243 * i386-protos.h: Declare it.
2244 * i386.md (movxf_1): Add general regs alternatives.
2245 (movxf_1+1): New splitter for same.
2247 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
2249 * function.c (purge_addressof_1): Add missing return values.
2251 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
2253 * function.c (is_addressof): New function. Returns true if
2254 the given piece of RTL is an ADDRESSOF.
2255 (purge_addressof_1): Make boolean. Return false if the
2256 ADDRESSOFs could not be purged.
2257 (purge_addressof): If ADDRESSOFs could not be purged from the
2258 notes attached to an insn, remove the offending note(s),
2259 unless they are attached to a libcall.
2261 1999-11-05 Andreas Jaeger <aj@suse.de>
2263 * genoutput.c (null_operand =): Initialize all fields.
2265 * errors.h: Add extern to prototypes.
2267 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
2269 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
2270 * configure: Rebuilt.
2272 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2274 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
2275 (mirror_conflicts): New function.
2276 (global_alloc): Call it.
2277 (expand_preferences): Remove redundant CONFLICTP test.
2278 (find_reg, dump_conflicts): Likewise.
2279 (prune_preferences): Process conflicts one word at a time.
2281 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
2283 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
2284 instead of an explicit loop.
2286 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
2288 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
2289 if REG_RETVAL check succeeds, then put classp in src_elt.
2291 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
2293 * function.c (pad_to_arg_alignment): Only update argument_pad
2294 if the argument's alignment is greater than STACK_BOUNDARY.
2296 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
2298 * bitmap.h (BITMAP_XFREE): New.
2299 * flow.c (life_analysis): Use it.
2300 (life_analysis_1): Free blocks.
2302 * combine.c (undo_commit): New.
2303 (try_combine): Use it. Don't zap undobuf.undos.
2304 (combine_instructions): Don't zap undobuf.undos; free the
2307 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
2309 * stmt.c (cost_table_): New.
2310 (estimate_case_costs): Use it instead of xmalloc.
2312 * toplev.c (compile_file): Reuse dumpname memory instead
2315 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
2317 * reg-stack.c (convert_regs_1): Initialize target_stack->top
2318 after verifying an EH edge.
2320 * haifa-sched.c (init_rgn_data_dependences): Correctly
2321 size bb_pending_lists_length when zeroing.
2323 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
2325 * function.c (diddle_return_value): New.
2326 (expand_function_end): Use it.
2327 * stmt.c (expand_null_return): Likewise.
2328 (expand_value_return): Likewise.
2330 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
2332 * reload1.c (reload): Don't remove return value clobbers.
2334 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
2336 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
2338 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
2340 * cse.c (cse_main): Use xmalloc, not alloca.
2341 (cse_basic_block): Likewise.
2342 * local-alloc.c (local_alloc): Likewise.
2344 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
2345 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2347 * rtl.c: Include toplev.h.
2348 (fatal): Remove declaration.
2350 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
2352 * haifa-sched.c (schedule_block): Fix thinko.
2354 1999-11-03 James McKelvey <mckelvey@fafnir.com>
2356 * fixinc/fixincl.c(create_file): Allow for systems that do not have
2357 S_IR* defined values
2359 1999-11-03 Philippe De Muyter <phdm@macqel.be>
2361 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
2362 call `malloc' instead.
2364 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
2366 * flags.h (flag_renumber_insns): Declare.
2367 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
2369 * rtl.h (renumber_insns): Change prototype.
2370 * toplev.c (flag_renumber_insns): Define.
2371 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
2373 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
2375 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
2376 and fpsqrtd. Use them and create fdiv function unit to more
2377 accurately represent fpu sqrt pipeline semantics on UltraSparc.
2378 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
2380 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
2382 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
2384 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
2385 insn into ready list, do not use just a raw swap.
2387 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
2389 * rtl.h (renumber_insns): New function.
2390 (remove_unnecessary_notes): Likewise.
2391 * emit-rtl.c (renumber_insns): Define.
2392 (remove_unncessary_notes): Likewise.
2393 * toplev.c (rest_of_compilation): Remove dead code.
2394 Use renumber_insns and remove_unncessary_notes.
2396 * gcse.c (struct null_pointer_info): New type.
2397 (get_bitmap_width): New function.
2398 (current_block): Remove.
2399 (nonnull_local): Likewise.
2400 (nonnull_killed): Likewise.
2401 (invalidate_nonnull_info): Take a null_pointer_info as input.
2402 (delete_null_pointer_checks_1): New function.
2403 (delete_null_pointer_checks): Use it.
2405 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
2406 (split_edges): Likewise.
2407 (schedule_block): Likewise.
2408 (compute_block_backward_dependencies): Likewise.
2409 (schedule_region): Likewise.
2410 (schedule_insns): Likewise.
2412 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
2414 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
2415 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
2416 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
2417 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
2418 * jump.c (delete_unreferenced_labels): Don't delete if
2419 LABEL_ALTERNATE_NAME is set.
2420 * print-rtl.c (print_rtx): Dump alternate name.
2421 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
2422 * rtl.h (LABEL_ALTERNATE_NAME): Define.
2423 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
2424 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
2426 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * fix-header.c (recognized_extern, recognized_function): Constify
2431 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
2432 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2433 (compute_available): Remove unused variable `last'.
2434 (compute_nearerout): Remove unused variable `temp_bitmap'.
2435 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2436 Remove unused variable `x'.
2438 * scan.h (recognized_function, recognized_extern): Constify a
2441 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
2443 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2445 * varasm.c (decode_rtx_const): Use XSTR to access the string
2448 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
2450 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
2452 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2454 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
2456 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
2458 * pa.c (ireg_operand): New function.
2459 * pa.h (PREDICATE_CODES): Handle ireg_operand.
2460 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
2461 Fix out of date comment.
2463 * pa.md (negdi2): Turn into expander + anonymous pattern.
2465 * reload.c (find_reloads): Fix typos in recent change.
2467 * dwarf2out.c: Do not include ctype.h.
2469 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2471 * regclass.c (record_reg_classes): Always use may_move_cost when
2472 seeing how operand fits with various register classes.
2474 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
2476 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
2477 * toplev.c: Revert Nov 1 13:22 change.
2479 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
2481 * config/pa/pa.md (height reduction patterns): Add checks for
2482 overlapping operands to avoid semantic-destroying splits for
2483 height reduction patterns.
2485 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2487 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
2488 have been an hyphen, fixed.
2489 * configure: Rebuilt.
2491 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
2493 * config/arm/tpe.h: Add prototypes for exported functions.
2494 * config/arm/pe.c: Fix compile time warnings.
2495 * config/arm/semi.h: Fix compile time warnings.
2496 * config/arm/arm.c: Fix compile time warnings.
2497 * config/arm/arm.h: Fix compile time warnings.
2498 * config/arm/arm.md: Fix compile time warnings.
2499 * config/arm/thumb.c: Fix compile time warnings.
2500 * config/arm/thumb.h: Fix compile time warnings.
2501 * config/arm/thumb.md: Fix compile time warnings.
2503 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
2505 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
2508 * unroll.c (unroll_loop): Remove LOOP notes when loop is
2509 completely unrolled.
2511 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2513 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
2515 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
2517 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
2518 * rtl.h (rtx_equal_p): Move prototype.
2519 * rtl.c (rtx_equal_function_value_matters): Move from
2521 (rtx_equal_p): Likewise.
2522 * rtlanal.c (rtx_equal_function_value_matters): Delete.
2523 (rtx_equal_p): Likewise.
2525 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
2527 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
2530 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
2532 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
2534 * pa.h (ADDR_VEC_ALIGN): Define.
2536 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
2537 notes when presented with "if (foo) break; end_of_loop" and
2538 the break sequence gets moved out of the loop.
2540 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
2541 Remove explicit zero initializations of entries within MAP.
2543 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2545 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2547 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2549 * bitmap.h (BITMAP_XMALLOC): New macro.
2550 * flow.c (CLEAN_ALLOCA): Remove.
2551 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2552 (life_analysis): Likewise.
2553 (update_life_info): Don't use CLEAN_ALLOCA.
2554 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
2555 (calculate_global_regs_live): Likewise.
2556 (print_rtl_with_bb): Likewise.
2557 (verify_flow_info): Likewise.
2558 * global.c (global_alloc): Likewise.
2559 (global_conflicts): Likewise.
2560 * integrate.c (save_for_inline_nocopy): Likewise.
2561 (expand_inline_function): Likewise.
2562 * jump.c (jump_optimize_1): Likewise.
2563 (duplicate_loop_exit_test): Likewise.
2564 (thread_jumps): Likewise.
2565 * loop.c (loop_optimize): Likewise.
2566 (combine_givs): Likewise.
2567 (recombine_givs): Likewise.
2568 * reorg.c (dbr_schedule): Likewise.
2569 * unroll.c (unroll_loop): Likewise.
2571 * combine.c (combine_instructions): Use xmalloc instead of alloca.
2573 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
2575 * toplev.c (rest_of_compilation): Don't optimize the CFG
2576 when rebuilding, just before dbr.
2578 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2580 * output.h (assemble_end_function, assemble_destructor,
2581 assemble_constructor, assemble_gc_entry, assemble_global,
2582 assemble_label, output_constant_pool) Constify a char*.
2584 * varasm.c (assemble_destructor, assemble_constructor,
2585 assemble_gc_entry, assemble_end_function, assemble_global,
2586 assemble_label, output_constant_pool): Likewise.
2588 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
2590 * config/arm/thumb.c (thumb_expand_prologue): Add comments
2591 explaining what is goin on in this function.
2593 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2595 * regclass.c (record_reg_classes): In matching case, recompute
2596 costs since the direction of movement is different.
2598 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2600 * resource.c (mark_target_live_regs): For unconditional branches,
2601 the resources found at the branch target should be added to the
2602 resources found so far, not intersected.
2604 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
2606 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
2608 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
2609 (sys/mman.h): Include this file only if #HAVE_MMAP.
2610 (run_compiles): Initialize `esac_fmt' with one old KR string, not
2611 with automatically concatenated ANSI strings.
2613 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
2615 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
2616 (DIV_ROUND_UP): Robustify.
2617 (ggc_recalculate_in_use_p): New function.
2618 (release_pages): Don't inline it.
2619 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
2621 (ggc_pop_context): Use ggc_recalculate_in_use_p.
2622 (clear_marks): Always save in_use_p.
2623 (sweep_pages): Use ggc_recalculate_in_use_p.
2624 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
2625 Release pages before counting statistics.
2627 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
2629 * toplev.c (rest_of_compilation): Fix thinko in this change:
2631 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2633 (rest_of_compilation): If inside an inlined external function,
2634 pretend we are just being declared.
2636 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
2638 * flow.c (calculate_global_regs_live): Fix thinko.
2640 * integrate.c (expand_inline_function): Fix bugs in previous
2641 change from Oct 28, 1999.
2643 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
2645 * stmt.c (expand_value_return): Fix typo in this change:
2647 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2648 (expand_value_return): Correctly convert VAL when promoting function
2649 return; support RETURN_REG being a PARALLEL.
2651 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
2653 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
2655 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2657 * hard-reg-set.h (reg_names): Constify a char*.
2659 * regclass.c (reg_names): Likewise.
2661 * regs.h (reg_names): Likewise
2663 * a29k/a29k.c (reg_names): Delete declaration.
2665 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
2667 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
2668 arc_output_function_epilogue): Likewise.
2670 * elxsi/elxsi.c (reg_names): Likewise.
2672 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
2674 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
2677 * m88k/m88k.c (output_function_profiler): Likewise.
2679 * sparc/sparc.c (sparc_flat_output_function_prologue,
2680 sparc_flat_output_function_epilogue): Likewise.
2682 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
2684 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
2685 warning from -Wuninitialized and put it under -W.
2686 * function.c (uninitialized_vars_warning): Warn only when the
2687 corresponding flag is set.
2689 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
2691 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
2692 is nonzero and the single set does not have an elt, then assign
2695 * simplify-rtx.c: New file.
2696 * Makefile.in (OBJS): Add simplify-rtx.o
2697 (simplify-rtx.o): Add dependencies.
2698 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
2699 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
2700 (cse_gen_binary, simplify_unary_operation): Delete.
2701 (simplify_binary_operation, simplify_plus_minus): Likewise.
2702 (check_fold_consts, simplify_relation_operation): Likewise.
2703 (simplify_ternary_operation): Likewise.
2704 (delete_trivially_dead_insns): Simplify the contents of the
2705 REG_EQUAL note before trying to substitute it into the source
2706 of the reg-reg copy at the end of a libcall sequence.
2708 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
2709 references/callers changed.
2711 * mn10200.c (mn10200_va_arg): Force the return value into a
2714 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
2716 * cccp.c (macroexpand): Avoid out of range accesses for omitted
2719 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
2721 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
2723 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
2725 * fold-const.c (fold): Fix thinko when optimizing comparisons
2728 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
2730 * gcc.texi (Passes): Update front-end files to their current
2733 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
2735 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
2736 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2737 (PREDICATE_CODES): Add addition_operation.
2738 * alpha-protos.h (addition_operation): Declare.
2739 (secondary_reload_class): Likewise.
2740 * alpha.c (addition_operation): New.
2741 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
2742 * alpha.md (adddi3): Turn into expander.
2743 (*lda, *adddi_2): New.
2744 (movsf, movdf patterns): Don't preference integer regs.
2745 (movsi, movdi patterns): Don't preference fp regs.
2747 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
2749 * genrecog.c (write_switch): Check for duplicate CODE cases.
2751 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
2753 * ggc-common.c: Update pre-function commentary.
2754 * ggc-page.c: Likewise.
2756 (poison_pages): Use memset directly.
2757 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
2758 (ggc_collect): Poison before sweeping.
2759 * ggc-simple.c: Update pre-function commentary.
2760 (ggc_alloc_obj): Poison non-zeroed memory.
2762 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
2764 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
2765 match format string, even on 64-bit hosts.
2766 * gcc-page.c (ggc_page_print_statistics): Likewise.
2768 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
2770 * config/i386/i386.c (ix86_cpu): Revert last patch.
2771 * config/i386/i386.h (ix86_cpu): Ditto.
2773 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
2775 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
2776 TYPE_SIZE, convert type of result to sizetype.
2778 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
2780 * flow.c (count_or_remove_death_notes): Equate NULL with the
2783 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
2784 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
2787 * i386.c (pic_label_no): Delete.
2788 (ix86_attr_length_default): Don't use single_set to peek
2791 * recog.c (peephole2_optimize): Allow recog_next_insn to index
2792 the first insn after bb->end.
2793 * i386.md (push mem peeps): Scratch is live after evaluation
2795 (cmp mem peep): Similarly.
2797 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
2799 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
2800 * function.c (pad_to_arg_alignment): Add missing braces.
2802 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2804 * alpha/alpha-protos.h (literal_section): Add prototype.
2805 (alpha_need_linkage, alpha_start_function,alpha_end_function):
2808 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
2810 (alpha_start_function, alpha_end_function, float_strings,
2811 alpha_need_linkage): Constify a char*
2813 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
2815 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2817 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
2819 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
2821 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * flow.c (debug_flow_info): Add prototype.
2825 * gcc.c (main): Likewise.
2827 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
2830 * reload1.c (failed_reload, set_reload_reg): Likewise.
2832 * mips-tfile.c (main): Likewise.
2833 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
2834 with ATTRIBUTE_NORETURN.
2836 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
2838 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
2839 DECL is not a memory ref.
2841 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
2843 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
2844 * config/i386/i386.c (ix86_cpu): Add extern attribute.
2846 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
2848 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
2849 * config/mips/elf64.h: ditto.
2851 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
2853 * expr.c (emit_push_insn): New argument alignment_pad.
2854 Update all callers. Adjust stack pointer based on alignment pad.
2855 * function.c (pad_to_arg_alignment): New argument alignment_pad.
2856 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
2857 (locate_and_pad_parm): New argument alignment_pad. Update all
2859 * expr.h (emit_push_insn): Update prototype.
2860 (locate_and_pad_parm): Update prototype.
2861 * calls.c (arg_data): Add new field alignment_pad.
2862 (initialize_argument_information): Initialize alignment_pad.
2864 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
2866 * except.c (free_eh_nesting_info): Free the info itself.
2867 * function.c (free_after_compilation): Don't free NULL.
2868 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
2869 (pre_edge_insert): Free inserted.
2870 * stmt.c (free_stmt_status): Don't free NULL.
2872 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2874 * gcov.c (DIR_SEPARATOR): Provide default.
2875 (output_data): Add test for MS-DOS format absolute filename.
2876 (fancy_abort): Correct program name.
2877 (open_files): Open all files in binary mode.
2878 * libgcc2.c (__bb_exit_func): Likewise.
2880 * profile.c (init_branch_prob): Specify binary when opening files.
2882 * flags.h (flag_unwind_tables): New decl.
2883 * toplev.c (flag_unwind_table): New definition.
2884 (f_options): Add -funwind-tables.
2885 (decode_g_option): Clarify warning when unknown -g option is given.
2886 (rest_of_compilation): If inside an inlined external function,
2887 pretend we are just being declared.
2889 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
2890 (dwarf2out_frame_finish): Likewise.
2892 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
2894 * fold-const.c (merge_ranges): In not in0, but in1, handle
2895 upper bounds equal like subset case.
2897 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
2899 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
2900 passed in a register but moved to the stack.
2902 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
2904 * gcc.c (pass_exit_codes, greatest_status): New variables.
2905 (struct option_map): Add entry for "--pass-exit-codes".
2906 (execute): Update greatest_status if error.
2907 (display_help): Add documentation for -pass-exit-codes.
2908 (process_command): Handle -pass-exit-codes.
2909 (main): Look at pass_exit_codes and greatest_status on call to exit.
2911 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2913 * reload.c (find_reloads): Refine test for no input reload
2914 case to not includes reloads emitted after insn.
2916 * function.c (find_temp_slots_from_address): Handle sum involving
2917 a register that points to a temp slot.
2918 (update_temp_slot_address): Make recursive call if both old and
2919 new are PLUS with a common operand.
2920 * calls.c (expand_call): Mark temp slot for result as having
2923 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
2925 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
2926 component as well as "BINUTILS".
2928 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
2929 * integrate.c (copy_rtx_and_substitute): Likewise.
2930 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
2931 All callers changed.
2932 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
2934 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
2935 gdb extensions, write size of type; also be more consistent
2936 in using references when this is a subtype.
2938 * pa.md (extv, extzv, insv): Use define_expand to reject constant
2939 that is out of range.
2941 * loop.c (unknown_constant_address_altered): New variable.
2942 (prescan_loop): Initialize it.
2943 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
2944 (invariant_p, case MEM): Remove handling for volatile and readony;
2945 check new variable if readonly.
2946 (check_dbra_loop): Chdeck unknown_constant_address_altered.
2948 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
2949 (addr_affects_sp_p): Removed from note_mem_written and only
2950 define #ifdef AUTO_INC_DEC.
2952 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2954 * regclass.c (record_reg_classes): Properly handle register move
2957 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2958 Don't think valid if both operands are invalid.
2959 (struct constant_descriptor): New field RTL.
2960 (mark_const_hash_entry): Mark it.
2961 (record_constant{,_rtx}): Initialize it.
2962 (output_constant_def): Allocate RTL in permanent obstack and
2964 ({record,compare}_constant_1): Modes must match for
2965 CONSTRUCTOR of ARRAY_TYPE.
2967 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2968 * output.h (initializer_constant_valid_p): Move decl to here.
2969 * c-common.c (initializer_constant_valid_p): Delete function from here.
2970 * varasm.c (initializer_constant_valid_p): Move function to here.
2972 * tree.h (STRIP_SIGN_NOPS): New macro.
2973 * fold-const.c (optimize_minmax_comparison): New function.
2974 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2975 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2976 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2977 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2978 widening conversions.
2979 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2980 to look at size of mode, not precision of type; also add missing cases.
2981 (optimize_bit_field_compare, decode_field_reference): Don't try to
2982 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2984 * dwarf2out.c (ctype.h): Include.
2985 (dwarf2out_set_demangle_name_func): New function.
2986 (size_of_line_info): Deleted.
2987 (output_line_info): Compute size of line info table from difference
2989 (base_type_die, add_name_attribute): Call demangle function, if any.
2990 (field_byte_offset): Use bits per word for variable length fields.
2991 (gen_array_type_die): Add array name.
2992 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2993 (dwarf2out_add_library_unit_info): New function.
2995 * explow.c (set_stack_check_libfunc): New function.
2996 (stack_check_libfunc): New static variable.
2997 (probe_stack_range): Allow front-end to set up a libfunc to call.
2999 * combine.c (simplify_comparison): When making comparison in wider
3000 mode, check for having commuted an AND and a SUBREG.
3001 (contains_muldiv): New function.
3002 (try_combine): Call it when dividing a PARALLEL.
3003 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3004 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3006 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3007 use one of the CLOBBERs instead.
3008 (if_then_else_cond): If comparing against zero, just return thing
3011 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3012 Don't generate shifts and subtract if have conditional arithmetic.
3014 * rtl.h (delete_barrier): New declaration.
3015 * jump.c (jump_optimize): Set up to handle conditional call.
3016 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3017 (delete_barrier): New function.
3019 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3021 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3023 * tree.c (build_type_attribute_variant): Push to obstack of
3024 ttype around type_hash_canon call.
3026 * expr.c (placeholder_list): Move decl to file scope.
3027 (expand_expr): Don't force access to volatile just because its
3029 If ignoring reference operations, just expand the operands.
3030 (expand_expr, case COMPONENT_REF): Propagate
3031 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3032 Refine test for using bitfield operations vs pointer punning.
3033 (expand_expr, case CONVERT_EXPR): If converting to
3034 BLKmode UNION_TYPE from BLKmode, just return inner object.
3035 Use proper mode in store_field call.
3036 Properly set sizes of object to store and total size in store_field
3037 call for convert to union.
3038 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3039 memory (like for ADDR_EXPR). Also, don't put constant in register if
3040 we'll want it in memory.
3041 (readonly_fields_p): New function.
3042 (expand_expr, case INDIRECT_REF): Call it if LHS.
3043 (expand_assignment): Handle a RESULT_DECL where
3044 DECL_RTL is a PARALLEL.
3045 (do_jump, case WITH_RECORD_EXPR): New case.
3046 (get_inner_reference): Always go inside a CONVERT_EXPR
3047 and NOP_EXPR if both modes are the same.
3048 (store_field): Use bitfield operations if size of bitsize is not same
3049 as size of RHS's type.
3050 Check for bitpos not a multiple of alignment in BLKmode case.
3051 Do block move in largest possible alignment.
3052 (store_constructor): Set BITSIZE to -1 for variable size and properly
3053 in case of array of BLKmode.
3054 (expand_expr_unaligned): New function.
3055 (do_compare_and_jump): Call it.
3057 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3058 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3059 does not include 'o'.
3061 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3062 both SET_DEST and SET_SRC reference a virtual register.
3063 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3065 * integrate.c (expand_inline_function): Handle case of setting
3066 virtual stack vars register (from built in setjmp); when parameter
3067 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3068 (subst_constant): Add new parm, MEMONLY.
3069 (expand_inline_function, integrate_parm_decls): Pass new parm.
3070 (integrate_decl_tree): Likewise.
3071 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3072 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3073 (copy_rtx_and_substitute, case SET): Add explicit calls to
3074 copy_rtx_and_substitute for both sides.
3076 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3078 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3079 within INDEX_TYPE, instead of before.
3080 (fixup_gotos): Use f->target_rtl, not the next insn,
3081 since latter may be from a later fixup.
3082 (expand_value_return): Correctly convert VAL when promoting function
3083 return; support RETURN_REG being a PARALLEL.
3084 (expand_return): When checking for result in regs and having
3085 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3087 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3089 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3090 last_nominal_fname): Mark const.
3091 (struct include_hash: name, nshort, control_macro): Mark
3093 (struct macrodef: symnam): Mark const.
3094 (struct if_stack: fname): Mark const.
3095 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3096 (IStable): New character-syntax array which encompasses all
3097 the old is_foo arrays.
3098 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3099 is_space): New macros for interrogating IStable.
3100 (check_macro_name): Kill last argument. All callers changed.
3102 * cppinit.c (initialize_char_syntax): Delete.
3103 (is_idchar, is_idstart, is_hor_space, is_space,
3104 trigraph_table): Delete.
3105 (IStable): New. Initialize with clever macros to avoid
3106 information duplication.
3107 (builtin_array): Table of builtins to get rid of explicit list
3108 in initialize_builtins.
3109 (initialize_builtins): Use builtins_array.
3110 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3111 opts->dollars_in_ident.
3113 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3115 (cpp_parse_expr): Avoid 'format string is not constant'
3116 warning. Use ISGRAPH to identify printable chars.
3117 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3119 (read_and_prescan): Map trigraphs to chars with open-coded
3120 if-else-if-... sequence, not a lookup table.
3121 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3123 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3124 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3125 (check_macro_name): Remove ability to report an invalid
3126 assertion name, which is never used.
3127 (do_line): Constify a couple of char *'s.
3128 * cppmain.c (main): Call cpp_cleanup before returning.
3130 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3132 * ggc.h (struct ggc_statistics): New type.
3133 (ggc_get_size): New function.
3134 (ggc_print_statistics): Likewise.
3135 * ggc-common.c (ggc_stats): New variable.
3136 (ggc_mark_rtx_children): Keep statistics.
3137 (ggc_mark_tree_children): Likewise.
3138 (ggc_print_statistics): New function.
3139 * ggc-page.c (struct globals): Add bytes_mapped field.
3140 (alloc_anon): Update it.
3141 (release_pages): Likewise.
3142 (ggc_get_size): New function.
3143 (ggc_page_print_statistics): New function.
3144 * ggc-simple.c (ggc_get_size): New function.
3146 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3148 * flow.c (propagate_block): When the last reference to a label
3149 before an ADDR_VEC is deleted because the reference is a dead
3150 store, delete the ADDR_VEC.
3152 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3154 * resource.c (find_free_register): Don't use the frame pointer
3155 if frame_pointer_needed.
3157 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3159 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3160 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3162 * config/i960/i960.c (i960_va_start): New locals base, num.
3163 Use INDIRECT_REF instead of ARRAY_REF on valist.
3164 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3166 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3168 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3170 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3172 * tree.def (PLACEHOLDER_EXPR): Update comments.
3174 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3176 * c-common.c (check_format_info): Avoid non-literal format string
3177 warnings when `first_arg_num' is zero.
3179 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3181 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3183 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3185 * arm.md (casesi_insn): Add a clobber of the condition code
3188 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3190 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3191 used by both cc1 and cc1plus.
3193 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3195 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3196 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3197 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3198 to the value 32 if it has not already been defined.
3199 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3200 Override definition in arm.h with a value of 8.
3202 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3204 * c-pragma.c (push_alignment): Don't check the return value
3207 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3209 * sparc.h (ADJUST_COST): Fix thinko.
3211 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3213 * cccp.c (rescan): Fixed obp pointer handling around call to
3214 check_expand subroutine.
3216 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3218 * gcse.c (delete_null_pointer_checks): Only record non-null info
3219 for pseudos when examining stores.
3221 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3222 splitters for these patterns. Use "#" for output templates.
3223 (addsi3_carryin_shift): New pattern.
3225 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3227 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
3228 of the function return register into a plain REG until
3229 after function inlining is done.
3231 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
3233 * jump.c (jump_optimize_1): If we did cross-jumping, and
3234 the data will matter, rebuild the CFG.
3235 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
3236 not optimizing. Don't run shorten_branches.
3237 * toplev.c (rest_of_compilation): Run shorten_branches after
3240 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
3242 * rtl.h (note_stores): Add additional paramter.
3243 * rtlanal.c (reg_set_p_1): Take additional paramter.
3244 (reg_set_last_1): Likewise.
3245 (reg_set_p): Adjust call to note_stores.
3246 (reg_set_last): Likewise.
3247 (note_stores): Pass data parameter to worker function.
3248 * alias.c (record_set): Take additional parameter.
3249 (init_alias_analysis): Pass it.
3250 * caller-save.c (mark_set_regs): Take additional parameter.
3251 (save_call_clobbered_regs): Pass NULL to note_stores.
3252 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
3254 (record_dead_and_set_regs_1): Likewise.
3255 (reg_dead_at_p_1): Likewise.
3256 (combine_instructions): Adjust calls to note_stores.
3257 (try_combine): Likewise.
3258 (record_dead_insn): Remove.
3259 (record_dead_and_set_regs): Adjust calls to note_stores.
3260 (reg_dead_at_p): Likewise.
3261 * cse.c (invalidate_skipped_set): Take additional parameter.
3262 (cse_check_loop_start): Likewise.
3263 (cse_check_loop_start_value): Remove.
3264 (cse_set_around_loop): Adjust calls to note_stores.
3265 * flow.c (notice_stack_pointer_modification): Take additional
3266 parameter. Remove duplicate declaration.
3267 (record_volatile_insns): Adjust calls to note_stores.
3268 * gcse.c (record_set_info): Take additional parameter.
3269 (record_last_set_info): Likewise.
3270 (invalidate_nonnull_info): Likewise.
3271 (record_set_insn): Remove.
3272 (compute_sets): Adjust calls to note_stores.
3273 (last_set_insn): Remove.
3274 (compute_hash_table): Adjust calls to note_stores.
3275 (insert_insn_end_bb): Likewise.
3276 (delete_null_pointer_checks): Likewise.
3277 * global.c (mark_reg_store): Take additional parameter.
3278 (mark_reg_clobber): Likewise.
3279 (reg_becomes_live): Likewise.
3280 (global_conflicts): Adjust calls to note_stores.
3281 (build_insn_chain): Likewise.
3282 * integrate.c (note_modified_parmregs): Take additional parameter.
3283 (mark_stores): Likewise. Make it static.
3284 (save_for_inline_nocopy): Adjust calls to note_stores.
3285 (try_constants): Likewise.
3286 * integrate.h (mark_stores): Remove declaration.
3287 * jump.c (mark_modified_reg): Take additional parameter.
3288 (thread_jumps): Adjust calls to note_stores.
3289 * local-alloc.c (validate_equiv_mem_from_store): Take additional
3291 (no_equiv): Likewise.
3292 (reg_is_set): Likewise.
3293 (validate_equiv_mem): Adjust calls to note_stores.
3294 (update_equiv_regs): Likewise.
3295 (block_alloc): Likewise.
3296 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
3297 (note_addr_stored): Take additional parameter.
3298 (note_set_pseudo_multiple_uses): Likewise.
3299 (record_initial): Likewise.
3300 (prescan_loop): Adjust calls to note_stores.
3301 (strength_reduce): Likewise.
3302 (check_dbra_loop): Likewise.
3303 * regmove.c (flags_set_1): Take additional paramter.
3304 (mark_flags_life_zones): Adjust calls to note_stores.
3305 * reload1.c (mark_not_eliminable): Take additional parameter.
3306 (forget_old_reloads_1): Likewise.
3307 (reload_cse_invalidate_rtx): Likewise.
3308 (reload_cse_check_clobber): Likewise.
3309 (reload_combine_note_store): Likewise.
3310 (move2add_note_store): Likewise.
3311 (reload): Adjust calls to note_stores.
3312 (reload_as_needed): Likewise.
3313 (emit_reload_insns): Likewise.
3314 (reload_cse_regs_1): Likewise.
3315 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
3316 (reload_combine): Adjust calls to note_stores.
3317 * resource.c (update_live_status): Take additional paramter.
3318 (mark_target_live_regs): Adjust calls to note_stores.
3319 * stupid.c (find_clobbered_regs): Take additional parameter.
3320 (stupid_life_analysis): Adjust calls to note_stores.
3322 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
3324 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
3327 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
3330 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
3331 of the variable arm_structure_size_boundary.
3333 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
3335 * alias.c (init_alias_analysis): Allocate reg_known_value and
3336 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
3338 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
3339 * cse.c (cse_main): Call end_alias_analysis.
3340 * haifa-sched.c (schedule_insns): Likewise.
3341 * local-alloc. (update_equiv_regs): Likewise.
3342 * reload1.c (reload_cse_regs): Likewise.
3344 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3346 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
3347 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
3348 mapping from MASK_FPU.
3350 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
3352 * sparc.md (call): Don't bound structure return size to 0xfff.
3354 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
3356 * resource.c (mark_target_live_regs): Check that the target
3357 insn wasn't created after compute_bb_for_insn.
3359 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
3361 * ggc-page.c (poison_pages): Don't be overzealous.
3363 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
3365 * alias.c: Update comments for ADDRESS.
3366 (nonlocal_reference_p): Look inside the ADDRESS to determine if
3367 it is a local memory reference.
3369 * c-typeck.c (build_function_call): Check that the built-in
3370 function is of class BUILT_IN_NORMAL before trying to recongize
3372 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
3373 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
3375 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
3377 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
3379 (pre_gcse): Likewise.
3380 (hoist_expr_reaches_here_p): Likewise.
3381 (hoist_code): Likewise.
3382 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
3384 (pre_expr_reaches_here_p_work): ... here.
3385 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
3387 (expr_reaches_here_p_work): ... here.
3389 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
3391 * resource.c (find_basic_block): Delete.
3392 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
3393 (init_resource_info): Call compute_bb_for_insn.
3395 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
3397 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
3398 with already adjacent blocks, but no fallthru.
3399 (merge_blocks_move_successor_nojumps): Simplify.
3400 (debug_flow_info): New.
3402 * toplev.c (rest_of_compilation): Open jump1 dump file before
3403 jump and close after, as opposed to just using dump_rtl.
3405 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3407 * reload.h (earlyclobber_operand_p): Declare.
3408 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
3409 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3410 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
3411 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
3413 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
3414 Richard Henderson <rth@cygnus.com>
3416 * emit-rtl.c (emit_block_insn_before): New.
3417 (emit_block_insn_after): New.
3418 * basic-block.h: Declare them.
3420 * bitmap.h: Protect from multiple inclusion.
3422 * recog.c (scratch_operand): Handle VOIDmode correctly.
3424 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
3426 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
3427 * function.c (assign_parms): Likewise.
3428 * global.c (global_conflicts): Clarify STACK_REGS commentary.
3430 * reg-stack.c (max_uid): Remove.
3431 (blocks, block_begin, block_end, block_drops_in): Remove.
3432 (block_stack_in, block_out_reg_set, block_number): Remove.
3433 (struct block_info_def, BLOCK_INFO): New.
3434 (enum emit_where): New.
3435 (current_block): New.
3436 (BLOCK_NUM): Remove.
3437 (mark_regs_pat, record_label_references): Remove.
3438 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
3440 (goto_block_pat, print_blocks, dump_stack_info): Remove.
3441 (reg_to_stack): Simplified test for existance of fp code. Use
3442 flow.c code. Call shorten_branches after cross-jump opt.
3443 (check_asm_stack_operands): Renamed from record_asm_reg_life.
3444 Return false if the asm doesn't use stack regs. Don't do life
3445 analysis on the asm.
3446 (emit_pop_insn): Replace function pointer arg `when' with
3447 enum `where'. Update all callers.
3448 (change_stack): Likewise. Update basic block end.
3449 (emit_swap_insn): Use current_block->head to limit reverse search
3450 for start of block. Use emit_block_insn_after.
3451 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
3452 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
3453 structure assignment instead of bcopy.
3455 (convert_regs_entry, convert_regs_exit): New.
3456 (convert_regs_1, convert_regs_2): Split out from convert_regs.
3457 Work on basic blocks and the CFG.
3458 (convert_regs): Use them.
3460 * i386.c (output_fix_trunc): Remove code for DImode input operand
3461 not at top-of-stack.
3462 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
3464 (fix_truncdi_1): Allow any mode scratch.
3466 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
3468 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
3469 * linux.h, netbsd.h, vms.h: Not here.
3471 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
3473 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
3474 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
3475 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
3476 CONDITIONAL_REGISTER_USEAGE): Use them.
3477 * config/mips/mips.c (mips_move_1word,mips_move_2words,
3478 gen_conditional_branch,override_options) : Use them.
3479 * config/mips/mips.md : Use them.
3481 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
3483 * i386.md (zero_extendqihi2): Use SImode register name with andl.
3485 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
3487 * integrate.c (function_cannot_inline_p): Don't allow inlining
3490 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3492 * c-parse.in (cast_expr): Constify.
3494 * cccp.c (special_symbol): Likewise.
3496 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
3498 * dwarf2out.c (base_type_die): Likewise.
3500 * global.c (allocno_compare): Likewise.
3502 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
3504 * regclass.c (fix_register): Likewise.
3506 * rtl.h (fix_register): Likewise.
3508 * stupid.c (stupid_reg_compare): Likewise.
3510 * toplev.c (decode_f_option): Likewise.
3512 * tree.c (build_complex_type): Likewise.
3514 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
3516 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
3518 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3520 * reload.c (find_reloads): Compute mode and nregs fields of all
3522 * reload1.c (calculate_needs_all_insns): Simplify a bit.
3523 (calculate_needs): Use precomputed mode/nregs values.
3524 (allocate_reload_reg): Likewise.
3526 (failed_reload, set_reload_reg): ... new functions.
3527 (choose_reload_regs_init): New function, mostly broken out from...
3528 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
3529 Also lose one #if 0 block.
3531 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
3533 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
3536 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
3538 * tree.h (BLOCK_TYPE_TAGS): Remove.
3539 (BLOCK_END_NOTE): Likewise.
3540 (BLOCK_LIVE_RANGE_FLAG): Likewise.
3541 (BLOCK_LIVE_RANGE_START): Likewise.
3542 (BLOCK_LIVE_RANGE_END): Likewise.
3543 (tree_block): Remove live_range_flag, live_range_var_flag, and
3544 type_tags. Remove end_note, live_range_start, and live_range_end.
3545 (remember_end_note): Remove prototype.
3546 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3547 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3549 * ggc-common.c (ggc_mark_tree_children): Don't mark
3550 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3551 * integrate.c (adjust_copied_decl_tree): Remove.
3552 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3553 * stmt.c (last_block_end_note): Remove.
3554 (init_stmt): Don't add a GC root for it.
3555 (expand_fixup): Don't set it.
3556 (remember_end_note): Remove.
3557 (expand_end_bindings): Don't set last_block_end_note.
3559 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3561 * reload1.c (reload_reg_free_for_value_p): Show
3562 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
3565 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
3567 * expmed.c (extract_bit_field): Allow for the case of non-integer
3568 objects that are smaller than a word (like SFmode on a 64-bit
3571 * loop.c (basic_induction_var): A non-integer variable which is
3572 being set by a paradoxical subreg is probably not a biv.
3574 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3576 * prefix.c (translate_name) Check for empty prefix string.
3578 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
3580 * Makefile.in (CPP_CROSS_NAME): New variable.
3581 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
3583 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
3584 names of the files to be uninstalled.
3586 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
3588 * collect2.c (IS_DIR_SEPARATOR): Define.
3589 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
3591 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
3594 * haifa-sched.c (add_dependence): Update the true dependency
3595 cache the first time we add a true dependence to the LOG_LINKS chain.
3597 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
3599 * fold-const.c (fold): Fix comment.
3601 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3603 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
3604 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
3605 dbxout_start_new_source_file, dbxout_source_file,
3606 dbxout_source_line, dbxout_finish, dbxout_type_fields,
3607 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
3609 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
3610 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
3611 (dbxout_block): Initialize variable `blocknum'.
3613 * dbxout.h (dbxout_init, dbxout_finish,
3614 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
3615 dbxout_args, dbxout_source_line): Constify a char*.
3617 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
3618 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
3619 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
3620 low_pc_attribute, high_pc_attribute, body_begin_attribute,
3621 body_end_attribute, comp_dir_attribute, sf_names_attribute,
3622 src_info_attribute, mac_info_attribute, producer_attribute,
3623 lookup_filename, generate_macinfo_entry, fundamental_type_code,
3624 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
3625 dwarfout_undef): Constify a char*.
3626 (add_incomplete_type, retry_incomplete_types): Add prototypes.
3628 * dwarfout.h (dwarfout_define, dwarfout_undef,
3629 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
3631 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
3633 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
3634 (MULTILIB_ISA_DEFAULT): New.
3635 (MULTILIB_DEFAULTS): Use it.
3636 * config/mips/mips.c (): Remove the now unnecessary definition
3637 of MIPS_ISA_DEFAULT.
3638 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
3639 unnecessary definition.
3641 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
3643 * arm.md (pic_load_addr): Add constraints to operand 1.
3645 1999-10-25 Bruce Korb <autogen@linuxbox.com>
3647 * fixinc/genfixes: Provide a means for specifying -D options to
3650 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
3652 * arm.c (arm_override_options): Correct initialization of
3653 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
3654 arm_is_strong, and arm_is_6_or_7.
3656 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
3657 (note_set_pseudo_multiple_uses): New function.
3658 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
3659 if a pseudo set in the loop exit is used elsewhere.
3661 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
3663 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
3665 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
3667 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
3668 a single load-address pattern.
3670 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
3672 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
3673 depending on whether or not line-number notes are present.
3675 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3677 * cccp.c (progname, file_buf, default_include, include_file,
3678 macrodef, definition, hashval, wchar_type, user_label_prefix,
3679 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
3680 expand_to_temp_buffer, is_system_include, base_name,
3681 absolute_filename, read_name_map, open_include_file,
3682 record_control_macro, check_precompiled, check_preconditions,
3683 pcfinclude, pass_thru_directive, create_definition,
3684 check_macro_name, comp_def_part, collect_expansion,
3685 check_assertion, read_token_list, assertion_install,
3686 assertion_lookup, eval_if_expression, conditional_skip,
3687 validate_else, skip_quoted_string, quote_string, macarg1,
3688 error_from_errno, install, lookup, hashf, dump_defn_1,
3689 perror_with_name, pfatal_with_name, main, trigraph_pcp,
3690 check_white_space, rescan, handle_directive, monthnames,
3691 special_symbol, do_include, remap_include_file, write_output,
3692 arglist, do_assert, do_unassert, do_line, do_error, do_once,
3693 do_ident, do_sccs, do_xifdef, skip_if_group,
3694 output_line_directive, macroexpand, macarg, change_newlines,
3695 initialize_builtins, make_definition): Constify a char*.
3697 * pcp.h (stringdef): Likewise.
3699 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
3701 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
3704 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
3705 Richard Henderson <rth@cygnus.com>
3707 * alias.c: Include ggc.h.
3708 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
3709 (record_set): Verify enough room in reg_base_value.
3710 (init_alias_analysis): Allocate reg_base_value with xcalloc.
3711 Register it as a GC root.
3712 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
3713 * Makefile.in (alias.o): Depend on ggc.h.
3715 * unroll.c (unroll_loop): Verify the insn before a barrier
3716 is a JUMP_INSN before checking JUMP_LABEL.
3718 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3720 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
3721 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
3722 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
3723 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
3724 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
3725 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
3727 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3729 * output.h (ctors_section, dtors_section, bss_section): Prototype.
3731 * alpha/alpha-interix.h (text_section): Delete prototype.
3732 * alpha/elf.h (text_section): Likewise.
3733 * arm/linux-elf.h (text_section): Likewise.
3734 * arm/linux-telf.h (text_section): Likewise.
3735 * c4x/c4x.h (text_section): Likewise.
3736 * dsp16xx/dsp16xx.h (bss_section): Likewise.
3737 * elfos.h (text_section): Likewise.
3738 * i386/aix386ng.h (text_section): Likewise.
3739 * i386/i386-interix.h (text_section): Likewise.
3740 * i386/sco5.h (text_section): Likewise.
3741 * i386/svr3gas.h (text_section): Likewise.
3742 * nextstep.h (text_section): Likewise.
3743 * psos.h (text_section): Likewise.
3744 * ptx4.h (text_section): Likewise.
3745 * svr3.h (text_section): Likewise.
3746 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
3748 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3750 * final.c (peephole): Delete prototype.
3752 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
3753 (pre_insert_copies): Remove unused variable `bb'.
3755 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
3758 * output.h (peephole): Add prototype.
3760 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
3762 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
3765 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
3767 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
3768 for inlined declarations.
3770 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
3772 * arm.c (logical_binary_operator): New fucntion.
3773 * arm.h (logical_binary_operator): Declare it.
3774 (PREDICATE_CODES): Handle logical_binary_operator.
3775 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
3776 output constraints. Add appropriate splitters.
3777 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
3778 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
3779 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
3781 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3783 * genoutput.c (struct operand_data): New elt eliminable.
3784 (output_operand_data): Write it.
3785 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
3786 (compare_operands): Take it into account.
3787 * recog.h (struct insn_operand_data): New elt eliminable.
3788 * reload1.c (check_eliminable_occurrences, elimination_effects): New
3790 (old_asm_operands_vec, new_asm_operands_vec): Delete.
3791 (eliminate_regs): Move code that detects changes to elimination
3792 target regs into new function elimination_effects.
3793 Delete one #if 0 block.
3794 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
3795 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
3796 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
3797 Only call eliminate_regs for real operands of the insn, not for parts
3798 of its structure or parts matched by things like match_operator.
3799 Use elimination_effects and check_eliminable_occurrences. Use
3800 copy_insn to duplicate the pattern when not in the final pass.
3802 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
3804 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
3807 1999-10-22 Bruce Korb <autogen@linuxbox.com>
3809 * fixinc/README: document the "mach" machine matching test
3810 * fixinc/fixfixes.c: Implement the #else/#endif label fix
3811 * fixinc/fixtests.c: Implement the #else/#endif label test
3812 * fixinc/inclhack.def: utilize these tests and fixes
3813 * fixinc/inclhack.sh: regen
3814 * fixinc/fixincl.x: regen
3815 * fixinc/fixincl.sh: regen
3817 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
3819 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
3822 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
3824 * gcc.1: Document exit codes.
3826 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3828 * calls.c: Include tm_p.h later, so everything we need is defined.
3830 * function.c: Likewise.
3832 * except.c: Include tm_p.h.
3834 * sparc.c: Likewise.
3835 (dwarf2out_cfi_label): Don't prototype.
3836 (check_return_regs, epilogue_renumber,
3837 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3838 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
3839 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
3840 ultra_schedule_insn): Add static prototype.
3841 (data_segment_operand, text_segment_operand): Call itself with the
3842 proper number of arguments.
3843 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
3845 * sparc.h: Move all declarations to sparc-protos.h.
3846 (SELECT_RTX_SECTION): Pass a missing MODE argument to
3849 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
3851 * config/svr4.h (text_section, ctors_section, dtors_section): Add
3853 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
3854 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3855 ASM_OUTPUT_ASCII): Constify a char*.
3857 * sparc-protos.h: New file for sparc prototypes.
3859 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3861 * function.c (record_insns, contains): Always declare and define.
3862 (record_insns): Mark with ATTRIBUTE_UNUSED.
3864 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3866 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
3867 to .section when outputting a .bss section to deal with multiple
3868 .bss input sections (as happens with -fdata-sections)
3869 Also output %progbits, not @progbits so the assembler doesn't treat as
3871 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
3873 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
3874 thumb parts even when building with non-thumb CPUs, by forcing
3877 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
3879 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
3880 (movdf_const_intreg_sp64): Similarly.
3882 * local-alloc.c (update_equiv_regs): Check the correct insn
3883 for pre-existing REG_EQUIV notes.
3885 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
3887 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
3888 block reached by a branch if we're not going to actually process
3891 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
3893 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
3894 a local extern function declaration.
3896 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
3898 * i386.c (ix86_expand_prologue): Properly wrap USE around
3899 reg for CALL_INSN_FUNCTION_USAGE.
3901 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
3903 * config/mips/mips.md (movdf_internal1a): Allow floating-point
3904 move between GP_REGs.
3906 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
3908 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
3909 the mode size when finding out if an offset is legal.
3911 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
3913 * basic-block.h (PROP_*): Move constants from ...
3915 (compute_bb_for_insn): Free the array before reallocating.
3916 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
3917 (allocate_reg_life_data): Reset all reg variables collected by
3919 (get_block_head_tail): Don't convert from bb to block.
3920 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
3921 (find_insn_reg_weight): Take block not bb.
3922 (schedule_block): Don't set block num for moved insns.
3923 (schedule_region): Don't update_life_info or find_insn_reg_weight.
3924 (schedule_insns): Do it here instead.
3925 * combine.c (combine_instructions): Invoke compute_bb_for_insn
3926 before update_life_info.
3927 * recog.c (split_all_insns, peephole2_optimize): Update for
3928 new arg to update_life_info.
3929 * rtlanal.c (remove_note): Cope with NULL note.
3930 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
3933 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
3935 * jump.c (jump_optimize_1): More accurately detect casesi insns.
3937 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
3938 block records so that merge_blocks_nomove will clean up correctly.
3939 (split_edge): Handle casesi insns.
3941 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
3943 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
3945 * pa.md (call, call_value): Do not emit a blockage after restoring
3948 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
3950 * c-typeck.c (c_expand_asm_operands): Fix typo.
3952 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3954 * arm.c (fpu_rhs_operand): Verify modes.
3955 (fpu_add_operand): Likewise.
3956 (di_operand): Likewise.
3957 (soft_df_operand): Likewise.
3959 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3961 * arm.c (arm_return_in_memory): APCS rules state that the elements
3962 of a structure returned in a register must be 'integer-like'.
3964 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3966 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3967 in the source tree when the generated targets are out of date
3968 * fixinc/genfixes: Alter it to run individual fixes for make.
3969 * fixinc/README: rewrite
3970 * fixinc/inclhack.def: moved initial comments to README
3972 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3974 * toplev.c (main): Do not generate an error message if an
3975 unrecognised command line switch is recognisable by another
3976 language. If extra_warnings are enabled, then generate a
3977 warning message instead.
3979 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3981 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3982 (insert_pack_attributes): Delete prototype.
3984 * c-pragma.c (default_alignment): New static variable.
3985 (push_alignment): Initialize to current effective alignment.
3986 (pop_alignment): Use to set new alignment.
3987 (insert_pack_attributes): Delete function.
3988 (handle_pragma_token): Set default_alignment as well each time
3989 a #pragma pack(<n>) is encountered.
3991 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3993 * reg-stack.c (stack_result): Aggregates are not returned in
3996 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3998 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4000 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4002 * basic-block.h (set_block_num): Declare.
4003 * flow.c (update_life_info): Don't call compute_bb_for_insn
4004 or free_basic_block_vars.
4005 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4006 (insn_orig_block): Remove.
4007 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4008 (schedule_block): Keep BLOCK_NUM up-to-date.
4009 (schedule_insns): Use compute_bb_for_insn.
4010 * recog.c (split_all_insns): Likewise.
4011 (peephole2_optimize): Likewise.
4013 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4015 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4016 if the pic register is used.
4018 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4020 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4021 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4022 if that tests TREE_PERMANENT.
4024 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4026 * cse.c (invalidate_for_call): Do not remove memory references from
4027 the table here. It's handled elsewhere.
4029 * haifa-sched.c (add_dependence): Protect references to the
4030 true dependency cache with #ifdef INSN_SCHEDULING.
4031 (remove_dependence): Similarly.
4033 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4034 to the cfg code that this is a return instruction.
4035 * mn10300.md (return_internal): Similarly.
4037 * combine.c (get_last_value): If the last set of a register
4038 is after subst_low_cuid, then we can not use it to determine
4039 the register's last value.
4041 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4043 * Makefile.in: Back out previous change.
4045 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4047 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4049 * haifa-sched.c (add_dependence): Only check/update the cache
4051 (remove_dependence): Likewise.
4052 (schedule_insns): Only create the true_dependency_cache if the
4053 average number of instructions in a basic block is very large.
4055 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4057 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4058 (ggc-simple.o): Likewise.
4059 (ggc-page.o): Likewise.
4061 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4063 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4064 Prototype for exported functions.
4065 (pre_lcm, pre_rev_lcm): Remove prototypes.
4066 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4067 (compute_available): Move to lcm.c, and change parameter order.
4068 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4069 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4070 (gcse_main): No longer call compute_preds_succs. Rebuild the
4071 set table after reach pre pass.
4072 (pre_insert_map, pre_delete_map, edge_list): New.
4073 (alloc_pre_mem): Allocate edge vectors.
4074 (free_pre_mem): Delete edge vectors.
4075 (compute_pre_data): Call new edge based lcm routines.
4076 (process_insert_insn): New function.
4077 (insert_insn_end_bb): Use it.
4078 (pre_edge_insert): New function.
4079 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4081 (pre_insert_copies): Revamp using new edge based lcm outputs.
4082 (pre_delete): Likewise.
4083 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4085 (compute_code_hoist_vbeinout): New new edge based routines.
4086 * lcm.c: Remove all the old LCM functions. Replace with new ones
4087 that work with the new cfg datastructures and work with edges
4090 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4092 * reload.h (struct reload): Add new fields "mode" and "nregs".
4093 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4094 to reference the "mode" and "nregs" field within struct reload.
4096 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4098 * haifa-sched.c (true_dependency_cache): New.
4099 (add_dependence): Use the true dependency cache to avoid expensive
4100 walks down the LOG_LINKS dependency list. Add entries to the
4102 (remove_dependence): Remove entries from the true dependency cache
4104 (schedule_insns): Allocate and initialize and free the true
4107 * haifa-sched.c (schedule_insns): Do not remove inter-block
4108 dependencies anymore.
4110 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4112 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4113 * i386/t-winnt: Likewise.
4115 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4117 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4119 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4121 * Makefile.in (LANGUAGES): Omit "proto".
4122 (clean): Remove stale comment about removing unprotoize.c.
4124 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4126 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4127 using arithmetic on void pointers.
4129 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4131 * haifa-sched.c (compute_block_forward_dependencies): Only check
4132 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4134 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4136 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4137 (expr_equiv_p): Reject memories with different alias sets.
4139 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4141 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4142 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4143 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4144 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4145 (lang_init): Set default for flag_bounds_check if still "unspecified".
4147 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4149 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4151 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4153 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4156 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4158 * config/c4x/c4x.md (*db_noclobber,
4159 *decrement_and_branch_until_zero_noclobber): New patterns and
4160 associated splitters.
4162 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4164 * config/c4x/c4x.md (parallel instruction patterns): Rework
4165 constraints to keep reload happy.
4167 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4169 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4170 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4171 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4172 Add new patterns and associated post-reload splitters.
4174 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4176 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4178 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4180 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4182 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4184 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4186 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4189 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4191 * pa.c (move_operand): Rely on memory_address_p to determine the
4192 validity of non-indexed memory addresses.
4193 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4194 operand in DFmode and SFmode when generating PA2.0 code.
4196 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4198 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4200 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4202 * mips.c (function_prologue): Fix argument types.
4203 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4204 (casesi_internal): Write to the scratch register.
4206 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4208 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4210 (parse_charconst): Delete unnecessary cast when calling
4212 (cpplib.h): Kill prototype of cpp_parse_escape.
4214 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4216 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4217 * unroll.c (unroll_loop): Cast return value of alloca.
4218 * i370/i370.c: Include function.h and toplev.h.
4219 (i370_label_scan): Remove c++ commented abort.
4220 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4221 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4222 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4223 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4225 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4227 * config/t-freebsd: Do not override USER_H.
4228 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
4230 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
4231 Mumit Khan <khan@xraylith.wisc.edu>
4233 * c-parse.in (component_decl): Support anonymous struct/union.
4235 * c-parse.y: Regenerate.
4236 * c-parse.c: Likewise.
4237 * objc/objc-parse.y: Likewise.
4238 * objc/objc-parse.c: Likewise.
4239 * c-decl.c (finish_struct): Don't sort the fields.
4240 (field_decl_cmp): Delete unused function.
4242 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
4244 * sparc.md (movsf_const_intreg): Revert last constraint change.
4245 (movdf_const_intreg_sp32): Likewise.
4247 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
4249 * cse.c: Include hashtab.h instead of splay-tree.h
4250 (struct cse_reg_info): No longer use variant union. Add new
4251 field "regno". All references changed to avoid union.
4252 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
4253 (free_cse_reg_info): Remove.
4254 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
4255 (get_cse_reg_info): Revamp to use expandable hash tables instead
4256 of splay trees. Initialize new fields in cse_reg_info structure.
4257 (new_basic_block): Similarly.
4259 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
4261 * genrecog.c (message_with_line): Prototype.
4262 (validate_pattern): Pass along the set for the dest, not a flag.
4263 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
4264 Check for PC/CC0 as sources.
4265 (nodes_identical): Check for children position match before
4266 allowing the combination.
4268 * rtl.c (read_rtx): Track line number across \\\n.
4270 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
4272 * mips.h (SPECIAL_MODE_PREDICATES): New.
4273 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
4274 (movdi+1, movsi+1): Add output reload constraint.
4275 (casesi_internal): Likewise. Fix commentary.
4276 (return_internal): Use pmode_register_operand.
4278 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
4280 * 1750a.md (movstrqi): Add missing output reload constraint.
4281 (call_value): Likewise.
4282 * a29k.md (cpxxx patterns): Add missing match_operator mode.
4283 (jmpfdec): Add missing inout reload constraint.
4284 * elxsi.md (addsi patterns): Add missing output reload constraint.
4285 (move from sp): Use @ alternates.
4286 (call_value): No constraint on output.
4287 * fr30.md (movsi_pop): Add missing output reload constraint.
4288 (movsf_constant_store): Likewise.
4289 (splits): Remove constraints.
4290 (subsi3): Add missing mode.
4291 * i370.md (cmpstrsi+1): Add missing output reload constraint.
4292 (call_value): Likewise.
4293 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
4294 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
4295 * m32r.md (movsicc_internal): Add output reload constraint.
4296 (movstrsi_internal): Add inout reload constraints.
4297 * m88k.h (reg_names): Don't declare.
4298 (SPECIAL_MODE_PREDICATES): New.
4299 * m88k.md (*): Use register_operand not reg_or_0_operand
4301 * mn10200.h (PREDICATE_CODES): New.
4302 * ns32k.md (ffs pattern): Add output reload constraint.
4303 * pdp11.md (sob pattern): Add inout reload constraint.
4304 * sh.md (splits): Remove constraints.
4305 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
4306 * v850.md (pattern_is_ok_for_epilogue): Likewise.
4307 * vax.md (jgequ pattern): Add inout reload constraint.
4309 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
4311 * configure.in (djgpp): Revert previous patch.
4312 * configure: Rebuit.
4313 * config/i386/djgpp.h: Revert previous patch.
4315 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
4317 * fixinc/inclhack.def: Restore patch lost during last merge of
4318 "no_bogosity" branch.
4319 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
4321 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
4323 * fixincludes: Add a HPUX 11 fix for inttypes.h.
4324 * fixinc/inclhack.def: Same.
4325 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
4327 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
4329 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
4330 as the base of a PLUS.
4332 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4334 * config/c4x/c4x.md: Define mode for remaining unspec operators.
4335 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
4337 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
4339 * pa.md (post_stw+1): Use pmode_register_operand.
4340 (dcacheflush, icacheflush): Likewise.
4342 * i386.md (movstricthi_1): Allow r/r.
4344 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
4346 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
4347 to (not (and (arg0) (arg1))). Similary for and.
4349 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
4350 falltrought to assocate code.
4351 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
4354 * combine.c (simplify_logical): Convert XOR to IOR if operands have
4355 no bits in common; remove XOR to ROTATE conversion.
4357 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4359 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
4361 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4363 * config/c4x/c4x.c (dst_operand): New.
4364 (PREDICATE_CODES): Update.
4365 * config/c4x/c4x.h (dst_operand): Declare it.
4366 * config/c4x/c4x.md: Define mode for each unspec usage.
4367 (move patterns): Use dst_operand predicate instead of src_operand.
4368 (movqi_update, movqf_update): Delete.
4370 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
4372 * recog.c (pmode_register_operand): New.
4373 * recog.h: Declare it.
4374 * genrecog.c (pred_codes): Likewise.
4375 (special_mode_pred_table): Likewise.
4376 (validate_pattern): Don't warn no mode for address_operand.
4378 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
4379 if the operand is not insn-like.
4381 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
4382 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
4384 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
4386 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
4388 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
4389 instead of general_operand in a SET_DEST. Use const_double_operand
4390 instead of an explicit test against CONST_DOUBLE.
4391 (movsf_const_lo): Add missing register mode.
4392 (goto_handler_and_restore): Add auxiliary test for Pmode.
4393 (flush): Adjust to use address_operand.
4394 (return_sf_no_fpu): Add missing output constraint.
4396 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
4398 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
4399 for call return value.
4400 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
4402 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
4404 * toplev.c (main): Only warn about options for other languages.
4405 * collect2.c (main): Pass -w to sub-gcc.
4407 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
4409 * flow.c (propagate_block): Add call-clobbered registers to
4412 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
4413 zapping mem_set_list.
4414 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
4415 (mark_set_1, mark_used_regs): Likewise.
4417 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
4419 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
4421 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4423 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
4424 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
4425 options. Also add a new item "C-only Warning Options" to the
4428 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
4430 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
4431 from multiple calls.
4433 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
4435 * i386.md (call value patterns): Move to the end of the file.
4436 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
4438 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
4440 * configure.in (djgpp configuration): Define extra_objects..
4441 * configure: Rebuilt.
4442 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
4443 (DTORS_SECTION_ASM_OP): Define.
4444 (INIT_SECTION_ASM_OP): Define.
4445 (FINI_SECTION_ASM_OP): Define.
4446 (DATA_SECTION_ASM_OP): Define.
4447 (TEXT_SECTION_ASM_OP): Define.
4448 (EH_FRAME_SECTION_ASM_OP): Define.
4449 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
4450 (STARTFILE_SPEC): Add crtbegin.o.
4451 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
4452 to here from LINK_COMMAND_SPEC.
4453 (DO_GLOBAL_CTORS_BODY): Define.
4454 (CRTSTUFF_USE_FINI_SECTION): Define
4455 (HAS_INIT_SECTION): Delete.
4457 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
4459 * Makefile.in (all.cross): Depend on xcpp$(exeext).
4461 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
4463 * pa.h (PREDICATE_CODES): New.
4465 * genrecog.c (validate_pattern): Condense the destination
4468 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
4470 * alpha.md (call-1): Supply missing mode for operator.
4471 (*): Add missing output reload constraints. Remove constraints
4474 * i386.h (SPECIAL_MODE_PREDICATES): New.
4475 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
4476 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
4477 (addsi_lea_3): Add missing mode for op 3.
4478 (prologue_set_got, prologue_get_pc): Add missing modes.
4479 (*) Add missing output reload constraints.
4481 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
4483 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
4484 check for member bit-size overflow and use var_size if it occurs.
4485 (layout_record): Use bitsize_int() to define the type size in bits.
4486 Likewise for computation and assignment to DECL_FIELD_BITPOS.
4487 (layout_decl): Likewise when assigning to DECL_SIZE.
4489 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
4491 * genrecog.c (validate_pattern): Typo last change. Verify
4492 that output operands have output reloads.
4494 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
4496 * genrecog.c (special_mode_pred_table): New.
4497 (NUM_SPECIAL_MODE_PREDS): New.
4498 (find_operand): New.
4499 (validate_pattern): New argument `insn'. Warn for assignment to
4500 any predicate accepting non-lvalues. Conditionaly warn for
4501 match_operand without a mode. Try much harder to match source
4502 and destination modes on a set.
4503 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
4505 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
4507 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
4509 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
4511 * combine.c (simplify_logical): Recognize xor pattern that encodes
4514 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4516 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
4519 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
4521 * ggc-page.c (MAP_FAILED): Provide default.
4523 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
4525 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
4526 * sparc.h (PREDICATE_CODES): Update.
4528 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
4530 * alpha.c (some_ni_operand): New.
4531 * alpha-protos.h: Declare it.
4532 * alpha.h (PREDICATE_CODES): Update.
4533 * alpha.md (sXaddq reload insns): Use some_ni_operand
4534 for SET_DEST instead of some_operand.
4536 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
4537 Jim Wilson <wilson@cygnus.com>
4539 * genrecog.c (maybe_both_true_2): Don't compare modes of
4541 (process_tree): Elide peephole2_insns. Invoke simplify_tests
4542 after find_afterward.
4543 (debug_decision_1): Dump next and afterward codes.
4545 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4547 * rtl.c (dump_and_abort): Remove.
4548 (fatal_with_file_and_line): New.
4549 (fatal_expected_char): New.
4550 (read_rtx_lineno, read_rtx_filename): New.
4551 (read_skip_spaces): Track line number.
4552 (read_name): Use fatal_with_file_and_line.
4553 (read_rtx): Use fatal_expected_char. Track line number.
4554 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
4556 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
4557 if it isn't a CODE_LABEL.
4559 * genattr.c (main): Set read_rtx_filename.
4560 * genattrtab.c (main): Likewise.
4561 * gencodes.c (main): Likewise.
4562 * genconfig.c (main): Likewise.
4563 * genemit.c (main): Likewise.
4564 * genextract.c (main): Likewise.
4565 * genflags.c (main): Likewise.
4566 * genopinit.c (main): Likewise.
4567 * genoutput.c (main): Likewise.
4568 * genpeep.c (main): Likewise.
4570 * genrecog.c (decision_test.u.insn): Add `lineno'.
4571 (pattern_lineno, error_count): New variables.
4572 (message_with_line): New.
4573 (add_to_sequence): Break out checking code to ...
4574 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
4575 (merge_insn): Use message_with_line.
4576 (make_insn_sequence): Use validate_pattern. Record insn lineno.
4577 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
4579 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4581 * expr.c (store_constructor): Clear union if constructor is empty.
4583 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
4585 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
4586 Add !endian checks. Change %{...} to %(...).
4588 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
4590 * i386.md (*addsi3_cc): Renamed from addcsi3.
4591 (*addsi3_carry): Renamed from addxsi3.
4592 (*subsi3_cc): Renamed from subcsi3.
4593 (*subsi3_carry): Renamed from subxsi3.
4594 (*xorqi_cc_1): Renamed from xorcqi_1.
4595 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
4596 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
4598 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
4600 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
4601 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
4603 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
4605 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
4606 climb up the chain of insns.
4608 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
4610 * genrecog.c (write_subroutine): Careful for null trees.
4611 (process_tree): Don't elide empty functions.
4613 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
4615 * Makefile.in (genrtl.o): Depend on ggc.h.
4616 * configure.in (valloc): Probe for it.
4617 (with-gc): Use ggc-page if valloc present.
4618 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
4619 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
4620 (ggc_alloc_string): Moved from ggc-page.c.
4621 * ggc-none.c (ggc_alloc_obj): New.
4622 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
4623 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
4624 (struct globals): Likewise for dev_zero_fd.
4625 (init_ggc): Likewise for it's initialization.
4626 (ggc_allocated_p): Move careful dereference from ...
4627 (ggc_lookup_page_table): ... here. Delete.
4628 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
4629 (alloc_anon): Use valloc if no mmap.
4630 (release_pages): Use free if using valloc.
4631 (ggc_alloc_obj): Renamed from alloc_obj.
4632 (ggc_set_mark): Renamed from mark_obj.
4633 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
4634 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
4635 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
4636 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
4637 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
4638 (ggc_collect): Use fp printing instead of our own rounding.
4639 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
4640 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
4641 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
4642 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
4643 (struct ggc_string, struct ggc_any): Delete.
4644 (offsetof): Provide default definition.
4645 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
4647 (struct ggc_mem): New, from corpse of ggc_any.
4648 (struct ggc_status): Delete.
4649 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
4650 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
4651 (n_strings_collected, n_anys_collected): Delete.
4652 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
4653 (ggc_alloc_string, ggc_alloc): Delete.
4654 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
4655 (ggc_free_string, ggc_free_any): Delete.
4656 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
4657 (ggc_compare_addresses, ggc_mark_string): Delete.
4658 (ggc_mark_string_if_gcable, ggc_mark): Delete.
4659 (search_data): Delete.
4660 (struct globals): New.
4661 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
4662 (tree_insert, tree_lookup): New.
4663 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
4664 (clear_marks, sweep_objs): New.
4665 (ggc_collect): Gut. Use clear_marks, sweep_objs.
4666 (init_ggc): Set allocated_last_gc.
4667 (ggc_push_context): Gut. Use G.context.
4668 (ggc_pop_context): Likewise.
4669 (ggc_pop_context_1): New.
4670 (debug_ggc_tree): New.
4671 (debug_ggc_balance, tally_leaves): New.
4672 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
4673 (ggc_mark_string_if_gcable): Remove decl.
4674 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
4675 (ggc_mark_rtvec_children): New.
4676 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
4677 (ggc_mark_if_gcable): New decl.
4678 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
4679 (ggc_alloc_tree, ggc_alloc): Likewise.
4680 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
4681 (ggc_alloc_obj): New decl.
4682 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
4683 (ggc_alloc_tree, ggc_alloc): Likewise.
4684 (ggc_set_mark): New decl.
4685 * rtl.h (struct rtx_def): Remove gc_mark.
4686 (struct rtvec_def): Likewise.
4687 * tree.h (struct tree_common): Likewise.
4689 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
4691 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
4692 float_format and thread_file definitions.
4693 * configure: Rebuilt.
4695 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
4697 * extend.texi (Function Names): Document types of function names.
4699 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4701 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4702 an earlyclobbered output conflict with RELOAD_INPUT reloads.
4704 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4706 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
4708 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4710 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
4712 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
4714 * collect2.c (main): Do prelimnary link on AIX if rflag.
4716 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4718 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
4719 __CTOR_LIST__ in opposite order, which is the correct order for sorted
4721 (__do_global_dtors): similarly for __DTOR_LIST__.
4723 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4724 Diego Novillo <dnovillo@cygnus.com>
4726 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
4729 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
4731 * fixincl/*: Merged "no_bogosity" branch
4732 * fixincl/fixlib.h: protect against doubly defining t_bool
4733 * fixincl/server.h: protect against doubly defining t_bool
4735 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
4737 * genoutput.c: Include toplev.h.
4739 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
4741 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4743 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
4744 * configure: Regenerate.
4746 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
4748 * gcse.c (delete_null_pointer_checks): Returns void.
4750 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4752 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
4753 * emit-rtl.c (copy_insn_1): Likewise.
4755 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4757 * config/mips/mips.c (mips_build_va_list): Correct
4758 TREE_CHAIN setting when hard-float.
4759 (mips_va_start): Use corrected setting.
4760 (mips_va_arg): Likewise. Also pass a tree to build of
4761 POSTINCREMENT_EXPR rather than a naked 'int'.
4763 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
4765 * ggc.h (ggc_push_context): Fix comment.
4766 (ggc_pop_context): Likewise.
4767 (mark_string_if_gcable): Likewise.
4768 * ggc-common.c (ggc_mark_rtx_children): Use
4769 ggc_mark_string_if_gcable.
4770 * ggc-page.c (ggc_lookup_page_table): New function.
4771 (ggc_allocated_p): Likewise.
4772 (mark_obj): Fix formatting.
4773 (ggc_mark_string_if_gcable): New function.
4774 * ggc-simple.c (ggc_allocated_strings): New variable.
4775 (ggc_strings_used): Likewise.
4776 (ggc_compare_addresses): New function.
4777 (ggc_pop_context): Pop the `any' memory too.
4778 (ggc_mark_string_if_gcable): New function.
4779 (ggc_collect): Initialize and tear down ggc_allocated_strings.
4781 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
4783 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
4784 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
4785 * rs6000.c (expand_block_move): Match movstrsi_?reg register
4788 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
4790 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
4791 (sched_reg_live_length, sched_reg_basic_block): Delete.
4792 (current_block_num, bb_live_regs, old_live_regs): Delete.
4793 (dead_notes, struct sometimes): Delete.
4794 (sched_note_set, birthing_insn_p): Delete.
4795 (adjust_priority): Gut useless reg lifetime code.
4796 (create_reg_dead_note, attach_deaths): Delete.
4797 (attach_deaths_insn, new_sometimes_live): Delete.
4798 (finish_sometimes_live): Delete.
4799 (find_pre_sched_live, find_post_sched_live): Delete.
4800 (update_reg_usage): Delete.
4801 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
4802 (schedule_insns): Delete reg lifetime code.
4803 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
4804 (unlink_other_notes): Adjust REG_NOTE commentary.
4805 (reemit_notes): Use REG_SAVE_NOTE.
4806 (schedule_block): Likewise.
4807 (schedule_region): Allocate bitmap of blocks in region. Use
4808 count_or_remove_death_notes. Use update_life_info.
4810 * rtl.h (REG_SAVE_NOTE): New.
4811 * rtl.c (reg_note_name): Update.
4813 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
4815 * combine.c (refresh_blocks, need_refresh): New.
4816 (combine_instructions): Allocate refresh_blocks. Invoke
4817 update_life_info if needed.
4818 (distribute_notes): Mark refresh_blocks instead of installing
4820 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
4821 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
4823 * Makefile.in (recog.o): Depend on basic-block.h.
4825 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
4827 * genrecog.c (add_to_sequence): Thinko last change: delete
4828 shadowing allow_const_int variable.
4830 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4832 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
4833 __GNUC__ and __GNUC_MINOR__.
4835 * gansidecl.h: Likewise.
4841 * toplev.h: Likewise.
4847 * varray.c: Likewise.
4849 * varray.h: Likewise.
4851 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4853 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
4854 use one before a jump table.
4856 * rtl.def (ADDRESS): Change documentation to match reality.
4857 * md.texi: Don't document it.
4858 * gmicro.md (load address pattern): Use 'p' constraint, delete use
4861 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
4863 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
4865 * genrecog.c (add_to_sequence): Move allow_const_int test outside
4866 known predicate block; default allow_const_int true.
4867 (debug_decision_list): New.
4869 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
4871 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
4873 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
4875 * gcse.c (gcse_main): Avoid global optimizations if we have a
4876 large number of basic blocks and the ratio of edges to blocks
4878 (delete_null_pointer_checks): Likewise.
4880 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
4882 * c-common.c (check_format_info): Warn if format string isn't a
4885 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4887 * configure.in (arm*-*-*): Don't let autoconf remove brackets
4888 * configure: regenerate
4890 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
4892 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
4893 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
4894 (peepholes): Re-enable.
4896 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
4898 * Makefile.in (flow.o): Depend on TREE_H.
4899 * basic-block.h (REG_SET_EQUAL_P): New.
4902 (free_regset_vector): Remove declaration.
4903 (flow_delete_insn_chain): Declare.
4904 (enum update_life_extent): New.
4905 (update_life_info, count_or_remove_death_notes): Declare.
4906 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
4907 Verify register live at bb->global_live_at_start before adding USE.
4908 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
4909 (CLEAN_ALLOCA): New.
4911 (PROP_*): New flags.
4912 (find_basic_blocks_1): Use alloc_EXPR_LIST.
4913 (clear_edges): Zero n_edges.
4914 (make_edge): Increment n_edges.
4915 (split_edge): Don't allocate bb->local_set. Increment n_edges.
4916 (flow_delete_insn_chain): Export.
4917 (delete_block): Decrement n_edges.
4918 (merge_blocks_nomove): Likewise.
4919 (life_analysis): Give life_analysis_1 PROP flags.
4920 (verify_wide_reg_1, verify_wide_reg): New.
4921 (verify_local_live_at_start): New.
4922 (update_life_info): Rewrite to call into propogate_block.
4924 (mark_regs_live_at_end): After reload, if epilogue as rtl,
4925 always mark stack pointer. Conditionally mark PIC register.
4926 After reload, mark call-saved registers, return regsiters.
4927 (life_analysis_1): Accept PROP flags not remove_dead_code.
4928 Call mark_regs_live_at_end before zeroing regs_ever_live.
4929 Use calculate_global_regs_live. Copy global_live_at_end before
4930 calling final propagate_block. Zero reg_next_use on exit.
4931 (calculate_global_regs_live): New.
4932 (allocate_bb_life_data): Don't allocate bb->local_set.
4933 (init_regset_vector, free_regset_vector): Remove.
4934 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
4935 Test flags before every operation. Warn if prologue/epilogue insn
4936 would have been deleted.
4937 (mark_set_regs, mark_set_1): Accept and use FLAGS.
4938 Use alloc_EXPR_LIST.
4939 (mark_used_regs): Accept and use FLAGS, not FINAL.
4940 Remove special handling for RETURN.
4941 (try_pre_increment): Use alloc_EXPR_LIST.
4942 (dump_flow_info): Dump n_edges.
4943 (unlink_insn_chain, split_hard_reg_notes): Remove.
4944 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
4945 (find_insn_with_note, new_insn_dead_notes): Remove.
4946 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
4947 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
4948 (replace_insns): Remove.
4949 (count_or_remove_death_notes): New.
4950 (verify_flow_info): Abort on error after all checks.
4951 (remove_edge): Decrement n_edges.
4952 (remove_fake_edges): Tweek format.
4953 * haifa-sched.c (schedule_insns): Use split_all_insns.
4954 * output.h (update_life_info): Remove declaration.
4955 * recog.c (split_all_insns): From the corpse of split_block_insns,
4956 do the whole function block by block. Use update_life_info.
4957 (recog_last_allowed_insn): New.
4958 (recog_next_insn): Mind it.
4959 (peephole2_optimize): Set it. Walk backwards through blocks.
4960 Use update_life_info.
4961 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4962 (split_all_insns): Declare.
4963 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4964 Use split_all_insns.
4966 * i386.md (or -1 peep2s): Disable.
4968 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4970 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4971 a single pattern. Scrap the 'd' versions as unnecessary.
4973 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4974 tablejump_mips162,tablejump_internal4): The operands to a
4975 label_ref must be VOIDmode.
4977 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4979 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4981 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4983 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4985 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4987 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4988 cache every function if ggc_p.
4990 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4992 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4993 instead of copy_rtx. Accept sequences that contain asm statements.
4994 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
4995 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
4996 orig_asm_operands_vector, copy_asm_operands_vector,
4997 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
4999 * rtl.h (copy_insn, copy_insn_1): Declare.
5001 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5003 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5005 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5006 arguments to `current_file_function_operand'.
5008 * genrecog.c: Include hard-reg-set.h and resource.h in the
5009 generated output file.
5011 * real.c: Include tm_p.h.
5013 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5015 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5018 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5020 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5021 before the fctiwz insn.
5023 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5024 Mark Mitchell <mark@codesourcery.com>
5026 * tree.c (make_lang_type_fn): New funtion pointer.
5027 (make_lang_type): Call it.
5028 * tree.h (make_lang_type): Declare.
5029 (make_lang_type_fn): Likewise.
5030 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5032 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5034 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5035 make sure that HIGH instructions are copied into BASE_REGS.
5037 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5039 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5041 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5043 * c-decl.c (finish_struct): Use simpler method of
5044 removing elements of a singly-linked list.
5046 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5048 * alpha.md (peephole2's): Comment out peephole2's that generate
5051 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5053 * genrecog.c (add_to_sequence): Disable mode check for
5056 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5058 * ggc-simple.c (init_ggc): Set empty_string.
5060 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5062 * configure.in: Detect mmap. Add --with-gc=foo to select
5063 garbage collector; default to page if mmap available.
5064 * Makefile.in (GGC): Substitute.
5066 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5068 * c-decl.c (ggc_p): Enable.
5070 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5072 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5074 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5076 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5077 string for little-endian-data.
5079 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5081 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5082 case somebody tries to compile --enable-checking code with gcc
5085 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5087 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5090 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5092 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5093 * jump.c (jump_optimize_1): Document why.
5095 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5097 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5098 pointers and casts for `int_handler' and `quit_handler'.
5100 * flow.c (verify_flow_info, split_hard_reg_notes,
5101 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5102 remove_edge, remove_fake_successors): Add static prototypes.
5103 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5104 (mark_set_1): Initialize variable `regno'.
5105 (unlink_insn_chain): Likewise for variable `curr'.
5106 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5108 * loop.c (strength_reduce): Initialize variable
5109 `unrolled_insn_copies'.
5110 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5111 prototypes. Change these functions to take const PTR parameters
5112 to avoid prototype conflict when used as the comparson argument
5114 (check_dbra_loop): Initialize variable `comparison_val'.
5116 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5117 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5118 (find_valid_class): Initialize variable `best_class'.
5119 (find_reloads): Call memcpy, not bcopy.
5121 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5122 (hard_reg_use_compare): Don't needlessly cast away const.
5123 (reload_reg_class_lower): Likewise.
5124 (choose_reload_regs): Initialize variable `regno'.
5126 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5128 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5130 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5132 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5133 ({,d}discard): Add forward declarations. Declare parameter as
5135 (main_without_main): Explicitly declare return type to be int.
5136 (memcpy): Properly declare.
5138 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5139 building the trampoline support, declare malloc, free, and
5141 (__clear_cache): Mark arguments as potentially unused.
5143 * frame.c (toplevel): If inhibit_libc is defined, declare
5146 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5148 * flow.c (make_edge): Accept an optional 2D bitmap in which
5149 to cache edge existence. Update all callers.
5150 (make_label_edge, make_eh_edge): Pass through the edge cache.
5151 (make_edges): Provide the cache.
5153 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5155 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5157 (local_mbtowc): Change the type of variable `i' from int to size_t.
5159 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5160 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5162 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5164 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5165 after other includes that define the appropriate types. Include
5166 tm_p.h for getting user prototypes.
5167 * ggc-callbacks.c (toplevel): Ditto.
5168 * ggc-none.c (toplevel): Ditto.
5169 * gcc-page.c (toplevel): Ditto.
5170 * ggc-simple.c (toplevel): Ditto.
5172 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5173 Jonathan Larmour <jlarmour@cygnus.co.uk>
5175 * config/mips/mips.c (mips_move_2words): Split doubles if
5176 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5178 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5180 * genrecog.c (struct decision_test): New.
5181 (struct decision): Remove test-related members, sort the rest by size.
5182 (IS_SPLIT): Simplify.
5183 (new_decision, new_decision_test): New.
5184 (add_to_sequence): Use them. No special handling for args of
5186 (maybe_both_true): Renamed from not_both_true; return sense changed.
5187 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5188 of maybe_both_true and adjusted for decision_test.
5189 (position_merit): Remove.
5190 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5191 (merge_accept_insn): New, broken out of merge_trees.
5192 (merge_trees): Use them. No special case for c_test; no node
5193 splitting; use test type instead of position_merit.
5194 (factor_tests): New.
5195 (simplify_tests): New.
5196 (break_out_subroutines): Don't write code now.
5197 (find_afterward): New.
5198 (write_afterward, write_switch, write_cond): New.
5199 (write_action, is_unconditional): New.
5200 (write_node): New. Use them.
5201 (write_tree_1): Rewrite. Use the new functions above.
5202 (write_tree): Remove afterward processing.
5203 (write_subroutine): Simplify function variant emission.
5204 (write_subroutines): New.
5205 (same_codes, clear_codes): Remove.
5206 (same_modes, clear_modes): Remove.
5207 (write_header): New, broken out of main.
5208 (make_insn_sequence): Use new_decision and new_decision_test.
5209 (process_tree): New, broken out of main.
5210 (main): Adjust for merge_trees interface change.
5211 Don't #define operands in the output file.
5212 (record_insn_name): New, broken out of make_insn_sequence.
5213 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5214 (debug_decision): New.
5216 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5218 * resource.c (find_free_register): Mark class_str argument const.
5219 * resource.h: Update prototype to match.
5221 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5222 * i386.md: Give all anonymous insns names.
5224 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5226 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
5229 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
5231 * toplev.c (dbr_sched_time): Unconditional.
5232 (peephole2_time): New.
5233 (compile_file): Add pass numbers to all of the dump file suffixes.
5234 Dump peephole2_time. Don't dump times for non-applicable passes.
5235 (rest_of_compilation): Add pass numbers to dump file suffixes.
5236 Conditionalize calls to the scheduler.
5237 * invoke.texi: Update.
5239 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
5241 * flow.c (make_edges): Fix insn iteration.
5242 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
5243 (find_basic_blocks_1): Fix spelling mistake.
5245 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
5247 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
5248 always have side-effects. Use memset not bzero.
5249 (make_node): Likewise.
5251 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
5253 * stmt.c (expand_anon_union_decl): When any of the elements of the
5254 union is addressable, so is the entire union.
5256 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
5258 * sbitmap.c (sbitmap_ones): Don't set too many bits.
5260 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
5261 * bitmap.c (bitmap_operation): Return true iff TO changed.
5262 (bitmap_equal_p): New.
5263 (bitmap_bit_p): Tidy arithmetic.
5264 (debug_bitmap_file): Likewise.
5266 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
5268 * toplev.c (rest_of_compilation): Turn on cse_not_expected
5269 before cse2 instead of after.
5271 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
5273 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
5276 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5278 * cppinit.c (is_idchar initializer): Loosen tests to accept
5281 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
5283 * mips.md: Define conditional move patterns for floating point
5284 operands and DI mode conditions.
5286 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
5288 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
5289 always have side-effects.
5291 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
5293 * mn10200.c (asm_file_start): Fix typo.
5295 * cppinit.c (is_idchar initializer): Tighten tests for when
5296 to put the table into initialized memory.
5298 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
5299 not an array of rtunion.
5300 * gcc-page.c (ggc_alloc_rtvec): Similarly.
5301 * gcc-simple (ggc_free_rtvec): Similarly.
5303 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
5306 * mbchar.h: Add missing #endif.
5308 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
5309 (FPBIT, DPBIT): Define.
5311 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5313 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
5315 * profile.c (instrument_arcs, output_gcov_string,
5316 tablejump_entry_p): Add static prototypes.
5317 (output_gcov_string): Constify a char*.
5319 * regmove.c (replacement_quality, fixup_match_2): Add static
5322 * resource.h (reg_dead_p): Add extern prototype.
5324 * rtl.c (trim_filename): Add static prototype.
5326 * scan-decls.c (skip_to_closing_brace): Likewise.
5328 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
5329 (expand_end_case): Initialize variable `range'.
5330 (emit_case_nodes): Remove unused prototype `rtx_fn'.
5332 * varasm.c (asm_emit_uninitialised): Add static prototype.
5333 (asm_emit_uninitialised, assemble_variable): Mark parameter with
5336 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5338 * cpplib.c (if_directive_nameo): Add static prototype.
5340 * cse.c (cse_insn): Remove unused variable `p'.
5342 * except.c (create_rethrow_ref, push_entry,
5343 receive_exception_label, new_eh_region_entry, find_func_region,
5344 clear_function_eh_region, process_nestinfo): Add static prototypes.
5345 (get_reg_for_handler): Hide definition.
5346 (process_nestinfo): Initialize variable `extra_handlers'.
5348 * expr.h (expand_builtin_longjmp): Add extern prototype.
5350 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
5352 * function.c (prepare_function_start): Likewise.
5353 (pop_function_context_from): Mark parameter `context' with
5355 (push_temp_slots_for_block, flush_addressof): Hide definition.
5357 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
5358 solve_program_flow_graph, calculate_branch_probs,
5359 function_summary, main, fancy_abort): Add prototypes.
5361 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
5362 (add_hash): Constify a char*.
5364 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
5365 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
5366 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
5368 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
5370 * lists.c (free_list, zap_lists): Likewise.
5372 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5374 * alias.c (nonlocal_reference_p): Add static prototype.
5376 * bitmap.c (bitmap_element_allocate): Prototype args in function
5379 * builtins.c (stabilize_va_list): Add static prototype.
5380 (expand_builtin_va_arg): Constify a char*.
5382 * c-lex.c (getch, put_back, extend_token_buffer_to,
5383 read_line_number, token_getch, token_put_back): Add static
5386 * c-parse.gperf (hash, is_reserved_word): Likewise.
5388 * cccp.c (is_dir_separator): Likewise.
5390 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5392 * graph.h: New file to prototype functions exported by graph.c.
5394 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
5396 * graph.c: Include graph.h.
5398 * toplev.c: Likewise. Remove redundant prototypes.
5400 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
5402 * invoke.texi: Removed duplicated description for -Q.
5404 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
5406 * extend.texi: Grammar fix in __extension__ text.
5408 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
5410 * md.texi (define_peephole2): New section.
5412 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
5414 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
5415 (mov $-1 to or peepholer): Enable for pentium when optimizing for
5418 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
5420 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
5422 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
5424 * i386.md (ffs expander): Emit Pentium friendly code for
5427 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
5429 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
5433 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5435 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
5437 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
5439 * config/m68k/m68k.c (use_return_insn): Return false if the pic
5442 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5444 * md.texi (No Constraints): Delete section.
5445 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
5446 * final.c (final_scan_insn): We always have register constraints.
5447 * genattrtab.c: Don't include "insn-config.h".
5448 (write_attr_case): We always have register constraints.
5449 * genconfig.c (register_constraint_flag): Delete.
5450 (walk_insn_part): Don't check whether we have register constraints.
5451 (main): Don't write out "#define REGISTER_CONSTRAINTS".
5452 * genoutput.c (have_constraints): Delete.
5453 (main): Don't set it.
5454 (output_operand_data): We always have constraints.
5455 (scan_operands): Likewise.
5456 (compare_operands): Likewise.
5457 * local-alloc.c (block_alloc): We always have constraints.
5458 (requires_inout): Always compile this function.
5459 * recog.c (extract_insn): We always have constraints.
5460 (constrain_operands, reg_fits_class_p): Always compile these
5462 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
5464 (struct insn_operand_data): Likewise.
5465 * regclass.c (regclass): We always have constraints.
5466 (record_reg_classes, copy_cost, record_address_regs,
5467 auto_inc_dec_reg_p): Always compile these functions.
5468 * regmove.c (regmove_optimize): We always have constraints.
5469 * reload.c (find_reloads): Likewise.
5470 * reload1.c (reload): Likewise.
5471 (reload_cse_simplify_operands): Likewise.
5472 * i860.c (output_delay_insn): Likewise.
5474 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
5476 * iris6.h (BUILD_VA_LIST_TYPE): Define.
5478 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5480 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
5481 for the va_list record.
5483 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
5485 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
5488 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
5490 * alias.c: Include insn-flags.h.
5491 * Makefile.in (alias.o): Update.
5493 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
5495 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
5496 to LTU and GEU. Handle more cases using sbb.
5498 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
5500 * i386.md (truncatexfdf splitters): Do not use subreg.
5501 (fop XFmode patterns): Fix mode in operand testing.
5503 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
5505 * jump.c (jump_optimize_1): Amend last change to test only the
5506 form of the operand, not the insn.
5508 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
5509 not register_operand to determine when B may need preloading.
5511 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
5513 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
5514 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
5515 (call-value patterns): Move to end of file.
5516 (*): Remove mode from label_ref in (pc) context.
5517 (movstrqi): Use memory not general_operand for BLKmode operands.
5518 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
5519 to register_operand operands.
5520 (peep2 patterns): Convert from commented-out peephole patterns.
5522 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5524 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
5525 to BUILT_IN_INIT_DWARF_REG_SIZES.
5526 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
5527 Renamed from BUILT_IN_DWARF_REG_SIZE; call
5528 expand_builtin_init_dwarf_reg_sizes.
5529 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
5530 with __builtin_init_dwarf_reg_size_table.
5531 * dwarf2out.c (struct reg_size_range): Delete.
5532 (expand_builtin_init_dwarf_reg_sizes): New function.
5533 (expand_builtin_dwarf_reg_size): Delete.
5534 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
5535 (expand_builtin_dwarf_reg_size): Don't declare.
5536 * libgcc2.c (dwarf_reg_size_table_initialized): New.
5537 (dwarf_reg_size_table): New.
5538 (init_reg_size_table): New function.
5539 (copy_reg): Use dwarf_reg_size_table.
5540 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5543 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5545 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5546 Correctly build argument list to constructor and destructor functions.
5548 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5550 * c-tree.h (warn_float_equal): Declare.
5551 * c-decl.c (warn_float_equal): Define.
5552 (c_decode_option): Recognize -W[no-]float-equal.
5553 * c-typeck.c (build_binary_op): Conditionally warn
5554 about equality tests of floating point types.
5555 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
5556 * invoke.texi: Add docs for -Wfloat-equal warning.
5558 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
5560 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
5561 generating RTL directly.
5562 * mips.h (INIT_TARGET_OPTABS): Likewise.
5563 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
5565 * expr.h (init_mov_optab): Delete declaration
5567 * h8300.c (WORD_REG_USED): Update to avoid useless register
5568 saves in interrupt functions and functions which never return.
5570 * cse.c (struct set): Delete inner_dest_loc field.
5571 (cse_insn): Remove assignments to inner_dest_loc field.
5573 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
5575 * ggc-page.c: Don't include <unistd.h> etc taken care of
5576 by "system.h". Include <sys/mman.h> afterward.
5578 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
5580 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
5583 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
5585 * xcoffout.c (xcoffout_declare_function): Add documentation.
5586 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
5587 TARGET_64BIT. Compare constant to -1, not bit pattern.
5588 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
5589 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
5592 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
5594 * dwarf2out.c (add_abstract_origin_attribute): Abort if
5596 (gen_inlined_enumeration_type_die): Do not abort if the type has
5597 not been writeen out.
5598 (gen_inlined_structure_type_die): Do not abort if the type has
5599 not been writeen out.
5600 (gen_inlined_union_type_die): Do not abort if the type has
5601 not been writeen out.
5602 (gen_tagged_type_instantiation_die): Do not abort if the type
5603 has not been written out.
5605 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5607 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
5609 * reg-stack.c (straighten_stack): Copy hard reg set with
5612 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
5614 * builtins.c (stabilize_va_list): Stabilize array type va_list
5615 to a pointer type, not the base record type.
5616 (expand_builtin_va_copy): Dereference the pointers explicitly;
5617 use the correct size for the copy.
5619 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
5620 (rs6000_va_arg): Likewise.
5622 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
5624 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
5626 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
5628 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
5630 (DECL_BUILT_IN_CLASS): Adjust accordingly.
5632 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
5634 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
5635 (init_ggc): Use it instead of a constant.
5636 (ggc_collect): Bound allocated_last_gc by it.
5638 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
5640 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
5643 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
5645 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
5646 (mips*-*-openbsd*): Let big endian configuration be a fragment.
5648 * config/mips/openbsd.h: New, OpenBSD little endian target.
5649 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
5650 * config/mips/xm-openbsd.h: New, OpenBSD host.
5652 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
5654 * config/m68k/m68k.c (output_function_prologue,
5655 output_function_epilogue): Use
5656 current_function_uses_pic_offset_table instead of regs_ever_live
5657 to decide whether to save/restore pic register.
5658 (legitimize_pic_address): Don't modify regs_ever_live any more.
5660 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
5662 * function.h (struct function): Add x_dont_save_pending_sizes_p.
5663 * stor-layout.c (variable_size): Don't add sizes to the pending
5664 sizes list if x_dont_save_pending_sizes_p is set.
5666 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
5668 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
5669 for symbolic_operand().
5670 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
5672 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5674 * combine.c (gen_rtx_combine): Add missing call to va_end().
5676 * final.c (asm_fprintf): Likewise.
5678 * genattrtab.c (attr_rtx): Likewise.
5680 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
5682 * cse.c: Update comments.
5683 (cse_insn): When converting a conditional/computed jump into
5684 an unconditional jump, always make sure a BARRIER immediately
5685 follows the converted jump. Do not delete unreachable code.
5686 (cse_basic_block): Do not delete unreachable code.
5687 * toplev.c (rest_of_compilation): Move call to
5688 delete_trivially_dead_insns after the conditional call to
5691 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5693 * collect2.c (make_temp_file): Don't prototype.
5695 * gcc.c (make_temp_file): Likewise.
5697 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
5699 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
5701 * varasm.c (asm_emit_uninitialised): New function: Generate
5702 the assembler statements necessary to declare an uninitialised
5704 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
5706 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
5707 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
5709 (assemble_variable): Use asm_emit_uninitialised to emit an
5710 uninitialised variable.
5712 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
5714 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
5715 constant on a 64 bit host. Patch supplied by Geoffrey Keating
5716 <geoffk@cygnus.com>.
5718 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5720 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
5721 * c-common.h (builtin_function): Don't declare.
5723 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
5725 (pushdecl): Likewise.
5726 (finish_decl): Likewise.
5727 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
5728 int. All callers changed.
5729 Set the builtin's DECL_BUILT_IN_CLASS.
5730 * tree.h (enum built_in_class): New.
5731 (enum built_in_function): Delete NOT_BUILT_IN.
5732 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
5734 (DECL_SET_FUNCTION_CODE): Likewise.
5735 (DECL_BUILT_IN_CLASS): New macro.
5736 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
5737 (struct tree_decl): Split builtin function code field into a
5739 (builtin_function): Declare.
5741 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
5743 * optabs.c (init_traps): Fix typo in last change.
5745 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
5747 * toplev.c (rest_of_decl_compilation): Update comment.
5749 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5751 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
5752 in .sbss if appropriate.
5753 (EXTRA_SECTION_FUNCTIONS): Add sbss.
5754 (SBSS_SECTION_ASM_OP): New macro.
5755 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
5756 (EXTRA_SECTIONS): Add in_sbss.
5757 * config/mips/mips.h: Prototype sbss_section.
5759 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
5761 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
5764 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
5766 * optabs.c (init_traps): Register trap_rtx as a GC root.
5768 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5770 * config/mips/mips.c (function_arg_pass_by_reference): Define
5771 unconditionally, since it's called unconditionally.
5773 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5775 * toplev.c (documented_lang_options): Add -fshort-wchar.
5776 * c-decl.c (c_decode_option): Likewise.
5777 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
5779 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
5780 * gcc.c (default_compilers): If -fshort-wchar,
5781 override __WCHAR_TYPE__.
5782 * tm.texi (C Dialect Options): Add -fshort-wchar.
5784 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
5785 symbol for a variable.
5787 * cpplib.h (CPP_PREPROCESSED): New macro.
5788 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
5789 we're seeing this input for a second time.
5791 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
5793 * emit-rtl.c (init_emit_once): Initialize modes first.
5795 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
5797 * config/i386/i386.c (pic_label_name): Change to char pointer.
5798 (global_offset_table): New variable.
5799 (load_pic_register): Fill global_offset_table if it hasn't
5800 already been done. Allocate pic_label_name dynamically.
5801 * ggc.h (empty_string): New variable.
5802 * ggc-simple.c (empty_string): Likewise.
5803 (init_ggc): Allocate empty_string and add as root.
5804 * stmt.c (digit_strings): New variable.
5805 (init_stmt): Add last_block_end_note as root. Allocate and
5806 initialize digit_strings.
5807 (expand_asm_operands): Use empty_string instead of string
5808 constant. Use digit_strings instead of string constants.
5809 * profile.c (init_arc_profiler): Allocate string with
5810 ggc_alloc_string instead of xmalloc.
5811 (output_func_start_profiler): Likewise.
5812 * c-typeck.c (digest_init): Check if init is error_mark_node.
5814 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
5815 Richard Henderson <rth@cygnus.com>
5817 * ggc-page.c: New file.
5818 * Makefile.in (ggc-page.o): New.
5820 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
5822 * invoke.texi: Document -fdelete-null-pointer-checks
5823 * toplev.c (flag_delete_null_pointer_checks): New.
5824 (f_options): Add entry for -fdelete-null-pointer-checks.
5825 (rest_of_compilation): Conditionalize null pointer check
5826 elimination on flag_delete_null_pointer_checks.
5827 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
5829 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
5831 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
5832 copyright notice and special exception to GPL.
5834 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5836 * abi64.h (mips_function_value): Add prototype arguments.
5838 * mips-protos.h: New file with mips prototypes.
5840 * mips.c: Include "tm_p.h".
5841 (mktemp, lookup_name): Add prototype arguments.
5842 (extern_list, string_constant, mips_fill_delay_slot,
5843 mips_output_external, mips_output_external_libcall,
5844 mips_output_filename, mips_declare_object, function_prologue,
5845 mips_expand_prologue, function_epilogue, mips16_constant,
5846 build_mips16_function_stub, mips_output_conditional_branch):
5848 (mips_va_start): Remove unused variable `u'.
5849 (mips_va_arg): Cast value to unsigned when comparing against one.
5851 (save_restore_insns, mips_expand_prologue): Add missing arg in
5852 call to `large_int'.
5854 * mips.h: Move prototypes to mips-protos.h.
5855 (data_section, memory_address_p, rdata_section,
5856 readonly_data_section, simple_epilogue_p, text_section): Delete
5857 prototypes delcared elsewhere.
5858 (mips_epilogue_delay_slots, print_options): Delete unused decls.
5860 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
5862 * mips.md: Delete extra args in call to `mips_move_2words'.
5864 * xm-iris6.h (alloca): Add prototype argument.
5866 * genpeep.c: Include "tm_p.h" in generated output file.
5868 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5870 * basic-block.h (find_edge_index): Change parameters.
5871 * flow.c (verify_edge_list): Pass basic_block parameters to
5872 find_edge_index instead of integers.
5874 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
5876 * combine.c (simplify_comparison): Use an unsigned shift to adjust
5879 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
5881 * gcc.1: Fix a formatting error.
5883 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5885 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
5886 i786, mn10200, mn10300, pdp11, v850.
5888 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
5890 * libgcc2.c (num_digits): Add prototype with
5891 __attribute__((const)).
5892 (__terminate): Add prototype.
5894 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
5896 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
5898 * alpha/alpha.c (print_operand): Fix type of `code'.
5899 (alpha_output_filename): Constify.
5900 * alpha/alpha.h: Move all function declarations ...
5901 * alpha/alpha-protos.h: ... here. New file.
5902 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
5903 (SECTION_FUNCTION_TEMPLATE): Likewise.
5905 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5907 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
5908 * expr.c (expand_expr): Likewise.
5909 (do_jump): Likewise.
5910 (do_store_flag): Pass ccp_store_flag to can_compare_p.
5911 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
5913 (enum can_compare_purpose): New.
5914 (can_compare_p): Adjust prototype.
5915 (prepare_cmp_insn, prepare_operand): Declare.
5916 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
5917 * optabs.c (cmp_available_p): Deleted.
5918 (expand_abs): Pass ccp_jump to can_compare_p.
5919 (can_compare_p): New arg PURPOSE. Check for combined optabs.
5920 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
5921 Call can_compare_p rather than cmp_available_p.
5922 (prepare_operand): No longer static.
5923 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
5924 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
5925 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
5926 sequence to use emit_cmp_and_jump_insns.
5927 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
5929 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
5931 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
5932 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
5933 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
5934 (plus (reg) (const_int 0))
5935 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
5937 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
5939 * rs6000.c (expand_block_move): DImode loads and stores require
5940 word-aligned displacements. Increment address registers with
5941 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
5943 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
5945 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
5946 is no name for the base type, rather than segfault. If we are
5947 writing out a complex integer type, use DW_ATE_lo_user.
5949 * expr.c (emit_move_insn_1): If we are copying a complex that fits
5950 in one word or less (complex char, complex short, or on 64 bit
5951 systems complex float) to/from a hard register, copy it through
5952 memory instead of dying in gen_{real,imag}part. If we have a
5953 short complex type, prevent inlining since it allocates stack
5956 * tree.c (build_complex_type): If we are writing dwarf2 output,
5957 generate a name for complex integer types.
5959 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5961 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5962 * flow.c (remove_edge): Remove extra whitespace.
5963 (remove_fake_edges): Fix comment.
5964 (add_noreturn_fake_exit_edges): Use the correct name.
5966 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5968 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5969 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5970 (clean): Depend on INTL_CLEAN.
5971 (maintainer-clean): Adjust.
5973 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5975 * configure.in (AC_PREREQ): Bump to 2.13.
5976 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5978 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5980 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5982 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5984 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5985 (HAVE_STRINGIZE): Define.
5987 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5989 * c-parse.in: save and restore warn_pointer_arith on __extension__
5990 along with pedantic.
5991 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5992 Set the type of extension to itype rather than $<itype>1 kludge.
5993 * extend.texi (Alternate Keywords): Adjust documentation.
5994 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
5996 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
5998 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
5999 most assembler templates.
6001 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6002 FP loads and stores.
6003 (following_call): Always return zero for the PA8000.
6004 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6005 FP loads and stores.
6006 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6008 * pa.h (BRANCH_COST): Define.
6010 * pa.md (return, return_internal): Use bve for PA2.0.
6012 * pa.md (fused multiply): Add variants which reduce height for the
6013 fused multiply, but which still generate 2 insns.
6014 (fnegabs): Similarly.
6016 * pa.md (subsi3): Turn into an expander. Create two anonymous
6017 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6018 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6020 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6022 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6024 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6025 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6027 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6030 * flow.c (record_active_eh_regions): Terminate loop after finding
6031 the last insn in the last basic block.
6033 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6035 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6037 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6039 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6041 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6043 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6044 splitting to not use output template.
6046 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6048 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6049 * config/c4x/c4x.c (c4x_va_start): New function.
6051 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6053 * genrecog.c (not_both_true): Handle correctly cases when called for
6054 tests with different positions in the insn.
6056 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6058 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6060 * system.h (HOST_PTR_PRINTF): ... to here.
6062 * mips-tfile.c: Don't include machmode.h.
6064 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6065 (mips-tfile.o): Don't depend on machmode.h.
6067 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6069 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6070 avoid conflicts with typedef struct `region' at the top level scope.
6072 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6074 * basic-block.h (basic_block): Add eh_beg, eh_end.
6075 * flow.c (entry_exit_blocks): Update.
6076 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6078 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6079 lists.c functions to allocate insn lists.
6080 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6082 (make_eh_edge): ... here. New.
6083 (move_stray_eh_region_notes): New.
6084 (record_active_eh_regions): New.
6085 (delete_unreachable_blocks): Split out block merging ...
6086 (try_merge_blocks): ... here. New.
6087 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6088 Dump debugging data.
6089 (merge_blocks_move_successor_nojumps): Likewise.
6090 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6092 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6094 * extend.texi (Bound member functions): Document unbound pmf
6097 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6099 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6100 has the EXIT_BLOCK as a dest.
6102 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6104 * flow.c (remove_edge): New function to remove an edge from the
6106 (remove_fake_successors): New function to remove fake successor edges.
6107 (remove_fake_edges): New function to remove all fake edges from the
6109 (add_fake_exit_edges): New function to add fake edges from all blocks
6110 with no successors to the exit block.
6111 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6112 prototypes for new functions.
6114 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6116 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6117 Use Pmode to determine whether to output .dword or .word.
6119 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6121 * tree.c (built_in_filename): New variable.
6122 (BUILT_IN_FILENAME): New macro.
6123 (init_tree_codes): Allocate built_in_filename.
6124 (make_node): Use built_in_filename instead of string constant.
6126 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6128 * configure.in: Add fr30 target.
6129 * configure: Regenerate.
6130 * config/fr30: New directory.
6131 * config/fr30/crti.asm: New file.
6132 * config/fr30/fr30.c: New file.
6133 * config/fr30/crtn.asm: New file.
6134 * config/fr30/fr30.h: New file.
6135 * config/fr30/fr30.md: New file.
6136 * config/fr30/lib1funcs.asm: New file.
6137 * config/fr30/t-fr30: New file.
6138 * config/fr30/xm-fr30.h: New file.
6140 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6142 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6143 BARRIER at the end of the successor, not the BARRIER before
6146 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6148 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6150 * stmt.c (any_pending_cleanups): Don't crash when
6151 current_function->stmt is unset.
6153 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6155 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6156 other initializations that may use it for relative offsets.
6158 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6160 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6161 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6162 * config/i386/sol2dbg.h: Removed.
6163 * config/i386/sol2gas.h: New file, to enable gas work-around.
6164 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6165 Don't use sol2dbg.h.
6166 * configure: Rebuilt.
6168 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6170 * invoke.texi (-fthis-is-variable): Remove documentation.
6172 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6174 * basic-block.h (compute_bb_for_insn): Declare.
6175 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6176 to use; set size of basic_block_for_insn directly.
6177 (find_basic_blocks): Update.
6179 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6181 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6183 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6185 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6186 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6188 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6190 * c-decl.c (c_decode_option): Extend comment.
6192 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6194 * toplev.c (progname): Make 'const char *'
6195 (flag_print_mem): Move out of main.
6196 (version_flag): Move out of main.
6197 (filename): Move out of main.
6198 (debug_args): Remove g prefix from options.
6199 (documented_lang_options): Remove cpplib specific options.
6200 (display_help): Add g prefix to debug options.
6201 (check_lang_option): Delete this function.
6202 (decode_d_option): New function: Decode -d... option.
6203 (decode_f_option): New function: Decode -f... option.
6204 (decode_W_option): New function: Decode -W... option.
6205 (decode_g_option): New function: Decode -g... option.
6206 (independent_decode_option): New function: Decode a language
6207 independent command line option.
6208 (main): Invoke lang_decode_option and then
6209 independent_decode_option on each command line option in
6212 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6214 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6215 * fold-const.c (fold_range_test): Do not try to fold the range
6216 test if the rhs or lhs has side effects.
6218 * basic-block.h (compute_flow_dominators): Declare.
6220 * gcse.c (alloc_code_hoist_mem): New function.
6221 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6222 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6223 (hoist_code, one_code_hoisting_pass): Likewise.
6224 (gcse_main): If optimizing for size, then hoist expressions
6225 computed in multiple dominated basic blocks.
6227 * gcse.c (invalid_nonnull_info): New function.
6228 (delete_null_pointer_checks): Likewise.
6229 * rtl.h (delete_null_pointer_checks): Declare.
6230 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
6232 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
6233 (merge-blocks_move_successor_nojumps): Likewise.
6234 (merge_blocks): Allow merging of some blocks, even if it requires
6235 physical movement of the blocks, but not if it requires new jumps.
6237 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
6238 Callers and prototype changed.
6239 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
6241 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6243 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
6244 -YP when both -p and -pg are present. From i386/sol2.h.
6246 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6248 * Makefile.in (distclean): Delete tm_p.h.
6249 * configure.in: Create a new file, "tm_p.h", from a list in
6250 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
6251 "i386/i386-protos.h".
6253 * alias.c: Include "tm_p.h".
6254 * c-typeck.c: Likewise.
6255 * calls.c: Likewise.
6257 * emit-rtl.c: Likewise.
6258 * explow.c: Likewise.
6259 * expmed.c: Likewise.
6261 * final.c: Likewise.
6263 * fold-const.c: Likewise.
6264 * function.c: Likewise.
6266 * global.c: Likewise.
6267 * haifa-sched.c: Likewise.
6268 * integrate.c: Likewise.
6270 * local-alloc.c: Likewise.
6272 * optabs.c: Likewise.
6273 * recog.c: Likewise.
6274 * reg-stack.c: Likewise.
6275 * regclass.c: Likewise.
6276 * regmove.c: Likewise.
6277 * reload.c: Likewise.
6278 * reload1.c: Likewise.
6279 * reorg.c: Likewise.
6280 * resource.c: Likewise.
6282 * stor-layout.c: Likewise.
6283 * toplev.c: Likewise.
6285 * unroll.c: Likewise.
6286 * genattrtab.c (main): Make generated file include "tm_p.h".
6287 * genemit.c (main): Likewise.
6288 * genoutput.c (main): Likewise.
6289 * genrecog.c (main): Likewise.
6291 * i386.h: Delete all prototypes.
6292 * i386.c: Include "tm_p.h".
6293 (ix86_attr_length_default): Call constant_call_address_operand
6294 with correct number of arguments.
6295 * i386-protos.h: New file.
6296 * i386.md (unnamed patterns): Call constant_call_address_operand
6297 with correct number of arguments.
6298 (exception_receiver): Call load_pic_register with correct number
6301 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
6303 * c-pragma.c (mark_align_stack): Dereference the void* properly.
6305 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
6307 * rtl.h (insns_safe_to_move_p): New function.
6308 * loop.c (find_and_verify_loops): Use it.
6309 * rtlanal.c (insns_safe_to_move_p): Define it.
6311 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
6313 * c-pragma.c: Include ggc.h.
6314 * Makefile.in (c-pragma.o): Update.
6316 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6318 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
6319 (LIB_SPEC): Likewise.
6320 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
6321 Reindent -YP/-p/-pg.
6322 Copied from config/sparc/sol2.h.
6324 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
6326 * c-pragma.c (mark_align_stack): New.
6328 * c-pragma.h (init_pragma): Declare it.
6329 * c-lex.c (init_parse): Call it.
6331 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6333 * configure.in: Pick up thread library on Solaris/x86 just
6334 like on Solaris/sparc.
6335 * configure: Rebuilt.
6337 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
6339 * rtl.h (global_rtx_index): New enum.
6340 (global_rtl): Change to array of rtx.
6341 (pc_rtx, cc0_rtx): Redefine accordingly.
6342 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
6343 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
6344 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
6345 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
6346 (const_int_rtx): Change to array of rtx.
6347 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
6349 * emit-rtl.c (global_rtl): Change to array of rtx.
6350 (const_int_rtx): Change to aray of rtx.
6351 (gen_rtx_CONST_INT): Redefine accordingly.
6352 (init_emit_once): Allocate and initialize global_rtl. Likewise
6353 for const_int_rtx. Add both as GC roots.
6354 * genattrtab.c (global_rtl): Update declaration.
6356 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
6358 * Makefile (USER_H): Add iso646.h back.
6360 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
6362 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
6363 zapping the LOG_LINKS of sched_before_next_call.
6365 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
6366 * pa.c (insn_refs_are_delayed): Renamed from
6367 insn_sets_and_refs_are_delayed.
6369 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
6371 * functiion.h (struct function): Add x_whole_function_mode_p.
6372 (retrofit_block): Declare.
6373 * function.c (retrofit_block): New function.
6374 (identify_blocks): Add assertions. Allow an incomplete set of
6375 block notes if we're still generating code for the function.
6376 * integrate.c: Include loop.h.
6377 (expand_inline_function): Call find_loop_tree_blocks to map block
6378 notes to blocks when in whole-function mode. Use retrofit_block
6379 to insert new BLOCKs for the inlined function, rather than
6381 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
6382 * Makefile.in (integrate.o): Depend on loop.h.
6384 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
6386 * tree.h (warn_about_unused_variables): Declare.
6387 * stmt.c (warn_about_unused_variables): New function, split out
6389 (expand_end_bindings): Here.
6391 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
6393 * stmt.c (preserve_subexpressions_p): Don't crash when
6394 current_function->stmt is unset.
6396 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
6398 * stmt.c (expand_start_bindings): Allow callers to pass a flag
6399 indicating that no NOTE_INSN_BLOCK_BEG note is required.
6400 (expand_start_target_temps): Use it.
6401 * except.c (expand_eh_region_start_for_decl): Likewise.
6402 * expr.c (expand_expr): Likewise.
6404 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
6406 * fold-const.c (operand_equal_p): Pay attention to side effects.
6408 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6410 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
6411 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
6413 * tlink.c (scan_linker_output): Look for keywords before accepting
6414 a mangled name in quotes.
6416 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
6418 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
6419 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
6421 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
6423 * alpha.md: Revert Thu Nov 26 change that came in through the
6424 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
6425 Avoid earlyclobber when possible.
6427 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6429 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
6431 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
6432 Define HAVE_ON_EXIT.
6434 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6436 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
6437 CTYPE_CONV in all ctype macros.
6439 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
6442 * cexp.y (initialize_random_junk): Likewise.
6444 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
6446 * i370.c (handle_pragma): Likewise.
6448 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
6450 * v850.c (override_options): Likewise.
6452 * doprint.c (_doprnt): Likewise.
6454 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
6457 * fixinc/server.c (load_data): Likewise.
6459 * fold-const.c (real_hex_to_f): Likewise.
6461 * genattr.c (write_upcase, gen_attr): Likewise.
6463 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
6464 write_upcase): Likewise.
6466 * genemit.c (print_code): Likewise.
6468 * genopinit.c (gen_insn): Likewise.
6470 * genpeep.c (print_code): Likewise.
6472 * genrecog.c (print_code): Likewise.
6474 * optabs.c (init_libfuncs): Likewise.
6476 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
6478 * haifa-sched.c (sched_analyze): Keep the list of notes organized
6480 (reemit_notes): Likewise.
6482 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
6484 * ggc.h (ggc_root): Move to ggc-common.c.
6486 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
6487 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
6488 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
6489 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
6490 * ggc-common.c (ggc_root): Move from ggc.h.
6491 (roots): Declare, static.
6492 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
6493 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
6494 null or check/set mark bit.
6495 (ggc_mark_roots): New.
6496 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
6498 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
6500 * m32r.c: Include toplev.h.
6501 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
6502 (gen_compare): Rename swap_p to must_swap to match uses.
6503 Add default abort case.
6504 (m32r_output_function_epilogue): Remove unused variables.
6505 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
6506 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
6507 define to empty parameter list. Update all uses.
6508 (predicate decls): Use enum machine_mode not int.
6509 * m32r.md (movsi): Call abort, not fatal_insn.
6510 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
6512 1999-09-14 Andrew Haley <aph@cygnus.com>
6514 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
6515 use $0 instead of 0.
6517 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6519 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
6520 computation out of loop over hard regs.
6522 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
6524 * function.c (identify_blocks): Don't shadow a variable in an
6526 * integrate.c (integrate_decl_tree): Don't use pushlevel,
6527 pushdecl, or poplevel to build up the new BLOCK tree.
6528 (expand_inline_function): Likewise.
6529 (integrate_parm_decls): Likewise.
6531 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
6533 * c-typeck.c (qualify_type): Merge qualifiers from both types.
6535 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
6537 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
6538 * invoke.texi: Document this change.
6540 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
6542 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6544 (mark_emit_status): Renamed from mark_emit_state.
6545 * except.c (mark_eh_status): Renamed from mark_eh_state.
6546 Check not null before marking.
6547 (free_eh_status): New.
6548 * expr.c (mark_expr_status, free_expr_status): New.
6549 * function.c (free_machine_status): New.
6550 (free_after_parsing): New.
6551 (free_after_compilation): Move bits to free_after_parsing; call
6552 free_eh_status, free_expr_status; zero the marked members of the
6554 (prepare_function_start): No can_garbage_collect.
6555 Call init_eh_for_function.
6556 (expand_dummy_function_end): Free up current_function state.
6557 (mark_function_status): Renamed from mark_function_state.
6558 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
6559 * function.h (struct function): No can_garbage_collect.
6560 (free_machine_status, free_after_parsing): Declare.
6561 (free_eh_status, free_expr_status): Declare.
6562 * ggc.h (mark_expr_status): Declare.
6563 * stmt.c (free_stmt_status): Free the struct.
6564 (mark_stmt_status): Renamed from mark_stmt_state.
6565 (init_stmt): Don't call init_eh.
6566 (init_stmt_for_function): Don't call init_eh_for_function.
6567 * toplev.c (compile_file): Call init_eh.
6568 (rest_of_compilation): Free basic block info before ggc_collect.
6569 Call free_after_parsing; conditionally call free_after_compilation.
6570 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
6571 Check not null before marking.
6572 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
6574 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
6576 * c-lex.c (yylex): Initialize warn.
6578 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
6580 * pa.c (emit_move_sequence): Properly set the mode of the scratch
6581 register when performing secondary reloads for the SAR register.
6583 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
6585 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
6586 (NOTE_BLOCK): New macro.
6587 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
6588 * function.h (identify_blocks): Change prototype.
6589 * function.c (identify_blocks): Simplify.
6590 (reorder_blocks): Likewise.
6591 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
6592 NOTE_INSN_BLOCK_{BEG,END}.
6593 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
6594 the list of saved notes if the note isn't a
6595 NOTE_INSN_BLOCK_{BEG,END}.
6596 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
6598 (reemit_notes): Adjust recreation of notes to reflect new saved
6600 * print-rtl.c (print_rtx): Print the address of the BLOCK when
6601 printing a block note.
6602 * stmt.c (block_vector): Remove.
6603 (find_loop_tree_blocks): Simplify.
6604 (unroll_block_trees): Likewise.
6605 * tree.h (reorder_block): Change prototype.
6607 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
6609 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
6610 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
6611 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
6612 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
6613 (atexit, exit): Simplify.
6614 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
6615 * config/lots: Remove defns of HAVE_ATEXIT.
6617 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
6619 * calls.c (precompute_arguments): Fix typo in comment.
6620 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
6623 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
6625 * dsp16xx.c (override_options): Fix typos in GC root registration.
6627 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
6629 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
6631 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
6632 (FUNCTION_PROFILER): Redefine appropriately for Linux.
6633 (CC1_SPEC): Likewise.
6635 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6637 * genattr.c (main): Add extern prototype. Call return, not exit.
6638 * genattrtab.c (main): Likewise.
6639 * gencheck.c (main): Likewise.
6640 * gencodes.c (main): Likewise.
6641 * genconfig.c (main): Likewise.
6642 * genemit.c (main): Likewise.
6643 * genextract.c (main): Likewise.
6644 * genflags.c (main): Likewise.
6645 * gengenrtl.c (main): Likewise.
6646 * genopinit.c (main): Likewise.
6647 * genoutput.c (main): Likewise.
6648 * genpeep.c (main): Likewise.
6649 * genrecog.c (main): Likewise.
6651 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
6652 * genattrtab.c (get_insn_name): Likewise.
6653 * gencodes.c (get_insn_name): Likewise.
6654 * genconfig.c (get_insn_name): Likewise.
6655 * genemit.c (get_insn_name): Likewise.
6656 * genextract.c (get_insn_name): Likewise.
6657 * genflags.c (get_insn_name): Likewise.
6658 * genopinit.c (get_insn_name): Likewise.
6659 * genpeep.c (get_insn_name): Likewise.
6661 * gencheck.c (usage): Add static prototype.
6662 * genextract.c (print_path): Constify a char*.
6663 * genopinit.c (optabs): Likewise.
6664 * genoutput.c (operand_data, data, output_predicate_decls,
6665 compare_operands): Likewise.
6666 * genrecog.c (write_tree): Add default case in switch.
6668 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
6672 * print-rtl.c (get_insn_name): Remove prototype.
6674 * toplev.h (progname): Declare const.
6676 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
6677 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
6678 dump_sched_info, dump_local_alloc, regset_release_memory,
6679 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
6680 error_with_file_and_line, error_with_decl, error_for_asm, error,
6681 fatal, warning_with_file_and_line, warning_with_decl, warning,
6682 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
6683 Remove redundant prototypes.
6685 (notice, check_lang_option, report_file_and_line, vnotice,
6686 mark_file_stack): Add static prototype.
6687 (set_fatal_function): Add prototype.
6688 (vnotice, report_file_and_line, set_fatal_function,
6689 check_lang_option): Constify a char*.
6690 (main): Prototype. Call return, not exit.
6692 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6694 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
6696 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
6698 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
6700 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
6702 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6704 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
6705 behave as if it's zero in all cases.
6706 (expand_function_start): Adjust call to assign_parms.
6707 * tree.h (assign_parms): Adjust prototype.
6708 * objc/objc-act.c (hack_method_prototype): Adjust call to
6711 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
6713 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
6714 arg_pointer_rtx fixed if the argument pointer register is
6716 (NONZERO_BASE_PLUS_P): Likewise.
6718 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
6720 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
6721 match_insn2 to match_insn.
6722 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
6724 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
6726 * Makefile.in (USER_H): Remove va-foo.h.
6728 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
6729 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
6730 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
6731 va-spur.h,va-v850.h}: Remove.
6733 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
6735 * sparc/sparc.md (eligible_for_return_delay): New attribute.
6736 (in_return_delay): Use it instead of match_insn.
6738 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6740 * config/alpha/va_list.h (va-alpha.h): Do not include.
6741 (__gnuc_va_list): Typedef as in varargs.h.
6743 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
6745 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
6746 DECL_LIVE_RANGE_RTL.
6748 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
6750 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
6751 not NOTE_BLOCK_NUMBER.
6752 (expand_eh_region_end): Likewise.
6753 (find_exception_handler_labels): Likewise.
6754 (scan_region): Likewise.
6755 (exception_optimize): Likewise.
6756 (update_rethrow_references): Likewise.
6757 (set_insn_eh_region): Likewise.
6758 * final.c (final_scan_insn): Likewise.
6759 * flow.c (make_edges): Likewise.
6760 * integrate.c (expand_inline_function): Likewise.
6761 * print-rtl.c (print_rtx): Likewise.
6763 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
6765 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
6766 terms of builtin functions and types.
6768 * mips.c (mips_build_va_list): New.
6769 (mips_va_start, mips_va_arg): New.
6770 * mips.h (BUILD_VA_LIST_TYPE): New.
6771 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6773 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
6774 (sh_build_va_list, sh_va_start, sh_va_arg): New.
6775 * sh.h (BUILD_VA_LIST_TYPE): New.
6776 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6778 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
6780 * recog.h (struct recog_data): Make dup_num, operand_address_p,
6781 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
6782 (struct insn_data): Likewise with n_operands, n_dups,
6783 n_alternatives, output_format.
6784 * regclass.c (scan_one_insn): Cast n_operands to int before
6785 arithmetic inside comparison.
6787 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
6789 * toplev.c (compile_function): Unconditionally emit nop.
6791 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6793 * haifa-sched.c (actual_hazard): Move declaration of variable
6794 `this_cost' into the scope where it is used.
6796 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6798 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
6799 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
6800 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
6802 * genrecog.c (make_insn_sequence): Call memset, not bzero.
6804 * jump.c (find_insert_position): Don't declare or define unless
6805 !HAVE_conditional_arithmetic.
6806 (returnjump_p_1, delete_prior_computation): Add static prototypes.
6808 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
6810 * recog.c (offsettable_address_p): Prototype function pointer.
6811 (preprocess_constraints): Call memset, not bzero.
6813 * tree.c (tree_node_kind_names): Constify a char*. Make static.
6814 (gcc_obstack_init): Don't declare.
6815 (fix_sizetype): Add static prototype.
6816 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
6817 (tree_cons): Call memset, not bzero.
6819 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
6820 definition in macro ASM_WEAKEN_LABEL.
6821 (mark_const_hash_entry): Add static prototype.
6823 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6825 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
6827 * unroll.c (find_common_reg_term, subtract_reg_term,
6828 loop_find_equiv_value): Add static prototypes.
6829 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
6830 (copy_loop_body): Remove unreachable break statement.
6832 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
6834 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
6836 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6838 Undo some changes from the gcc2 merge:
6839 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
6840 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
6844 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
6845 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6846 initialized float-int union if the value is a NaN.
6848 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
6850 * gthr-win32.h: New file.
6852 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
6853 shared as a valid attribute.
6854 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
6855 * extend.texi: Document `shared' variable attribute.
6857 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
6859 * configure.in: Handle --enable-threads on FreeBSD.
6860 * configure: Rebuit.
6862 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6864 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
6866 * configure: Rebuilt.
6868 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
6869 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
6870 Rosimildo DaSilva <rdasilva@connecttel.com>
6872 * configure.in (m68k-*-rtemscoff*): Added.
6873 * configure.in (mips64orion-*-rtems*): Converted to ELF.
6874 * configure.in (sparc-*-rtemsaout*): Added as alias for old
6875 sparc-rtems configuration.
6876 * configure.in (sparc-*-rtemself*): Added.
6877 * configure.in (sparc-*-rtems*): Now ELF not a.out.
6878 * config/i386/rtems.h: Added comment.
6879 * config/sparc/rtemself.h: New file.
6881 * configure.in (m68k-rtemself): Added.
6882 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
6883 and DWARF_DEBUGGING_INFO.
6884 * config/m68k/crti.s: New file.
6885 * config/m68k/crtn.s: New file.
6886 * config/m68k/t-crtstuff: New file.
6887 * config/m68k/rtemself.h: New file.
6889 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
6890 global ctor/dtor and C++ exception handling.
6891 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
6892 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
6894 * config/i386/t-rtems-i386: New File.
6896 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
6898 * stmt.c (expand_end_case): Return right away if the case stack is
6901 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
6903 * Makefile.in (version.c): Remove rule incorrectly brought in from
6906 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
6908 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
6909 * msdos/top.sed: Take into account a prepended $(SHELL) to
6911 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
6913 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
6915 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6917 * regmove.c (fixup_match_1): Don't change an unchanging register.
6918 (stable_but_for_p): Renamed to:
6919 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
6920 Changed all callers.
6922 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
6924 * loop.c (strength_reduce): Don't call reg_used_between_p if the
6925 insn from BL2 is after the insn from BL.
6927 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
6929 * recog.h (INSN_OUTPUT_FORMAT_*): New.
6930 (struct insn_data): Merge `template' and `outfun' into `output'.
6931 Add `output_format'.
6932 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
6933 (struct data): Remove `outfun'; add `output_format'.
6934 (name_for_index): Remove declaration.
6935 (output_insn_data): Handle output formats.
6936 (process_template): Emit the bare array for @.
6937 (gen_expand, gen_split): Set output_format to NONE.
6938 * output.h (get_insn_template): Declare.
6939 * final.c (get_insn_template): New.
6940 (final_scan_insn): Use it.
6941 * toplev.c (compile_file): Likewise.
6943 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6944 * i860/i860.c (output_delayed_branch): Likewise.
6945 (output_delay_insn): Likewise.
6947 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6949 * rtl.c (obstack_alloc_rtx): Removed.
6951 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
6953 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6955 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6957 * i386.c (call_insn_operand): Reject const_int.
6958 (expander_call_insn_operand): Use call_insn_operand.
6960 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6962 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6964 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6966 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6967 Use DImode operation.
6969 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6971 * gcc.c: Include sys/resource.h.
6972 (report_times): New flag.
6973 (execute): If report_times is set, calculate and report the
6974 CPU time consumed by each subprocess.
6976 (rus, prus): New globals.
6977 (option_map): Add --time.
6978 (display_help): Document -time.
6979 (process_command): Set report_times if -time is given.
6980 Turn off -pipe if -time is given.
6982 * invoke.texi: Document new option -time.
6984 * configure.in: Check for getrusage. Check if we have to
6985 prototype getrusage.
6986 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6987 * configure: Regenerate.
6988 * config.in: Regenerate.
6990 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6992 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
6995 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
6997 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
6998 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
6999 (nan): Return _thenan_sf or _thenan_df as appropriate.
7000 (L_thenan_sf): Define _thenan_sf.
7001 (L_thenan_df): Define _thenan_df.
7003 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7004 (DPBIT_FUNCS): Add _thenan_df.
7006 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7008 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7011 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7013 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7016 (lang_specific_driver): Don't take a function pointer parameter.
7017 All callers changed.
7019 * gcc.c: Include gcc.h.
7020 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7021 lang_specific_extra_outfiles, fatal): Don't declare.
7022 (multilib_defaults_raw): Constify.
7023 (read_specs): Call memset, rather than bzero.
7024 (main): Call return, not exit.
7025 (lookup_compiler): Call memcpy, not bcopy.
7026 (fatal): Make extern.
7028 * cppspec.c: Include gcc.h.
7029 (lang_specific_driver): Initialize variable `quote'. Constify a
7030 char*. All calls to the function pointer parameter now
7031 explicitly call `fatal'.
7033 * gccspec.c (lang_specific_driver): Include gcc.h.
7035 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7037 * arm.c (note_invalid_constants): Use recog_data.operand_type
7040 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7042 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7045 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7046 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7047 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7048 reload_secondary_in_reload, reload_secondary_out_reload,
7049 reload_secondary_in_icode, reload_secondary_out_icode,
7050 reload_reg_rtx, reload_when_needed): Delete declarations.
7051 (struct reload): New structure.
7052 (rld): Declare new array.
7053 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7054 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7055 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7056 reload_secondary_in_reload, reload_secondary_out_reload,
7057 reload_secondary_in_icode, reload_secondary_out_icode,
7058 reload_reg_rtx, reload_when_needed): Delete definitions.
7060 (whole file): Replace uses of the deleted arrays with uses of rld.
7061 * reload1.c (whole file): Replace uses of the deleted arrays with
7063 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7064 explicit loops, not with bcopy.
7066 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7068 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7069 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7070 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7071 insn_name): Delete and consolidate into new structures.
7072 (insn_operand_predicate_fn): New.
7073 (insn_output_fn): New.
7075 (struct insn_operand_data): New.
7076 (struct insn_data): New.
7078 (OUT_FCN): Update for insn_data change.
7079 * builtins.c (expand_builtin_strlen): Likewise.
7080 (expand_builtin_memcmp): Likewise.
7081 * combine.c (make_extraction, simplify_comparison): Likewise.
7082 * cse.c (canon_reg, cse_insn): Likewise.
7083 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7084 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7085 (emit_store_flag): Likewise.
7086 * expr.c (convert_move, emit_block_move): Likewise.
7087 (clear_storage, emit_push_insn, expand_increment): Likewise.
7088 (do_store_flag): Likewise.
7089 * expr.h (GEN_FCN): Likewise.
7090 (insn_gen_function): Die.
7091 * final.c (final_scan_insn): Update for insn_data change.
7092 (output_asm_name): Likewise.
7093 * function.c (fixup_var_refs_1): Likewise.
7094 * loop.c (check_dbra_loop): Likewise.
7095 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7096 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7097 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7098 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7099 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7100 * regmove.c (gen_add3_insn): Likewise.
7101 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7102 (find_reloads, find_reloads_address_1): Likewise.
7103 (debug_reload_to_stream): Likewise.
7104 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7105 * stmt.c (expand_end_case): Likewise.
7106 * toplev.c (compile_file): Likewise.
7108 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7109 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7111 * print-rtl.c (insn_name_ptr): Remove declaration.
7112 (get_insn_name): Declare.
7113 (print_rtx): Use it.
7114 * genoutput.c (insn_name_ptr): Remove.
7115 (next_operand_number): New.
7116 (struct operand_data): New.
7117 (null_operand, odata, odata_end): New.
7118 (struct data): Use struct operand_data.
7119 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7120 (get_insn_name): Renamed from name_for_index.
7121 (output_prologue): Define NO_MD_PROTOTYPES.
7122 (output_predicate_decls): Break out from output_epilogue.
7123 Iterate over the operands list.
7124 (output_operand_data): Break out from output_epilogue. Emit
7125 just the operands list.
7126 (output_insn_data): Break out from output_epilogue. Emit just
7128 (output_epilogue): Remove.
7129 (output_get_insn_name): New.
7130 (constraints, op_n_alternatives, predicates, address_p): Die.
7131 (modes, strict_low, seen): Die.
7132 (scan_operands): Take new param `d' instead of writing to
7133 seven global variables.
7134 (compare_operands): New.
7135 (place_operands): New.
7136 (validate_insn_alternatives): Update for struct data change.
7137 (gen_insn): Don't zero or copy 7 global arrays. Update for
7138 scan_operands; call place_operands.
7139 (gen_peephole, gen_expand, gen_split): Likewise.
7140 (main): Update for new output routines.
7142 * genattr.c (insn_name_ptr): Remove.
7143 (get_insn_name): New function.
7144 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7145 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7146 * genrecog.c: Likewise.
7148 * alpha.md (adddi3): Make `pattern' array static.
7150 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7152 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7153 c4x_cpu_version_string): Constify char *.
7154 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7155 c4x_cpu_version_string): Likewise.
7157 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7159 * tree.c (save_tree_status): Revert 10 Sep change.
7160 (restore_tree_status): Likewise. Call obstack_free with NULL
7161 before freeing the obstack proper.
7163 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7165 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7167 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7168 surrounding context.
7170 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7172 * tree.c (type_hash_canon): Put all types in the hash-table, when
7175 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7177 * recog.h (struct recog_data, recog_data): New.
7178 (recog_foo variables): Kill.
7179 * recog.c (recog_operand, recog_operand_loc): Kill.
7180 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7181 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7182 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7183 (recog_data): Define.
7184 (extract_insn): Update all recog_foo references to use recog_data.
7185 (preprocess_constraints, constrain_operands): Likewise.
7186 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7187 * genattrtab.c (main): Likewise.
7188 * genextract.c (main): Likewise.
7189 * genoutput.c: Likewise.
7190 * genrecog.c (write_subroutine, main): Likewise.
7191 * local-alloc.c (block_alloc): Likewise.
7192 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7193 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7194 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7195 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7196 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7197 (reload_cse_simplify_operands): Likewise.
7199 * arc/arc.c (arc_final_prescan_insn): Likewise.
7200 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7201 * h8300/h8300.c (notice_update_cc): Likewise.
7202 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7203 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7204 * mn10200/mn10200.c (notice_update_cc): Likewise.
7205 * mn10300/mn10300.c (notice_update_cc): Likewise.
7206 * romp/romp.c (update_cc): Likewise.
7207 * sparc/sparc.c (check_pic): Likewise.
7208 * v850/v850.c (notice_update_cc): Likewise.
7210 * genemit.c (main): Don't declare recog_operand.
7212 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7214 * ggc.h (rtvec_def): Forward declare.
7215 (tree_node): Likewise.
7218 (ggc_set_mark_rtx): Add prototype.
7219 (ggc_set_mark_rtvec): Likewise.
7220 (ggc_set_mark_tree): Likewise.
7221 * ggc-simple.c (ggc_root): Don't define.
7222 (roots): Don't declare.
7223 (ggc_mark_rtx): Remove.
7224 (ggc_mark_rtvec): Likewise.
7225 (ggc_mark_tree): Likewise.
7226 (ggc_mark_varray): Likewise.
7227 (ggc_mark_tree_hash_table_entry): Likewise.
7228 (ggc_mark_tree_hash_table): Likewise.
7229 (ggc_set_mart_rtx): New function.
7230 (ggc_set_mark_rtvec): Likewise.
7231 (ggc_set_mark_tree): Likewise.
7232 (ggc_add_root): Remove.
7233 (ggc_add_rtx_root): Likewise.
7234 (ggc_remove_tree_root): Likewise.
7235 (ggc_add_string_root): Likewise.
7236 (ggc_add_tree_varray_root): Likewise.
7237 (ggc_add_tree_hash_table_root): Likewise.
7238 (ggc_del_root): Likewise.
7239 (ggc_mark_rtx_ptr): Likewise.
7240 (ggc_mark_tree_ptr): Likewise.
7241 (ggc_mark_string_ptr): Likewise.
7242 (ggc_mark_tree_varray_ptr): Likewise.
7243 (ggc_mark_tree_hash_table_ptr): Likewise.
7244 * ggc-common.c: New file.
7245 * Makefile.in (OBJS): Add ggc-common.o.
7246 (ggc-common.o): List dependencies.
7248 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
7250 * cppalloc.c (xstrdup): Use memcpy.
7251 * cpperror.c (cpp_print_containing_files): Don't use
7253 * cpplib.c (conditional_skip): Set temp->lineno.
7254 (do_endif): Make error message less obscure.
7255 (if_directive_name): New function.
7256 (cpp_get_token [case EOF]): Unwind the if stack and generate
7257 error messages for each unterminated conditional in this file.
7258 (parse_string): Do not behave differently if -traditional.
7260 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
7262 * builtins.c (expand_builtin_va_arg): Cope with an array-type
7263 va_list decomposing to pointer-type.
7264 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
7265 (rs6000_va_arg): Likewise.
7267 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
7269 * except.c (start_dynamic_handler): Compute size using
7270 STACK_SAVEAREA_MODE.
7272 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7274 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
7275 include directory headers. Don't define strrchr. Don't provide
7276 my_* replacement functions. Prefer PTR over `pointer_type'.
7277 Don't prototype system functions. Don't redefine getopt.
7279 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
7280 safe_read, safe_write, save_pointers, restore_pointers,
7281 is_id_char, in_system_include_dir, directory_specified_p,
7282 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
7283 find_corresponding_lparen, referenced_file_is_newer,
7284 save_def_or_dec, munge_compile_params, gen_aux_info_file,
7285 process_aux_info_file, identify_lineno, check_source,
7286 seek_to_line, forward_to_next_token_char, output_bytes,
7287 output_string, output_up_to, other_variable_style_function,
7288 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
7289 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
7290 find_static_definition, connect_defs_and_decs, add_local_decl,
7291 add_global_decls, needs_to_be_converted, visit_each_hash_node,
7292 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
7293 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
7294 scan_for_missed_items, edit_file, string_list_cons): Add static
7296 (standard_exec_prefix, target_machine, target_version,
7297 default_syscalls_dir, string_list, string_list_cons, find_file,
7298 do_cleaning): Constify a char*.
7299 (safe_read, safe_write): Use PTR, not a char*.
7300 (is_id_char): Take an int, not a char.
7301 (main): Add prototype. Call return, not exit.
7303 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
7305 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
7306 when comparing types.
7308 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
7310 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
7311 (strength_reduce): Release the varrays from the no-bivs early exit.
7313 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
7314 the loop over the registers.
7316 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
7318 (restore_tree_status): Check that instead when freeing the obstack.
7320 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
7322 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
7325 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7327 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
7328 operand size modifiers.
7330 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7332 * c-common.c (c_common_nodes_and_builtins): Don't build
7334 * c-common.h (enum c_tree_index and related accesor macros): Remove
7335 everything now declared in tree.h.
7336 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7337 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
7338 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
7339 (error_mark_node, void_type_node, char_type_node, integer_type_node,
7340 unsigned_type_node, ptr_type_node, va_list_type_node,
7341 integer_zero_node, null_pointer_node, integer_one_node): Delete.
7342 (init_decl_processing): Call build_common_tree_nodes and
7343 build_common_tree_nodes_2 instead of building their nodes here.
7344 Don't add roots for these nodes.
7345 * stor-layout.c (size_zero_node, size_one_node): Delete.
7346 (set_sizetype): Make a new node for bitsizetype each time.
7347 * tree.c (global_trees): New variable.
7348 (init_obstacks): Add a gc root for it.
7349 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7350 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
7351 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
7352 (build_common_tree_nodes): New function.
7353 (fix_sizetype): New function.
7354 (build_common_tree_nodes_2): New function.
7355 * tree.h (enum tree_index): New.
7356 (global_trees): Declare.
7357 Add accessor macros for all nodes now moved to global_trees.
7358 Delete their declarations.
7360 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
7362 * c-decl.c (finish_function): When processing a nested function,
7363 push and pop GC context around rest_of_compilation.
7365 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
7367 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
7368 Default ix86_arch to PROCESSOR_I386.
7369 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
7370 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
7371 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
7372 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
7373 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
7374 (EXTRA_SPECS): Remove deleted specs.
7376 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
7378 * function.c (assign_stack_local_1): Allocate from
7379 function->x_frame_offset, not frame_offset.
7381 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
7383 * ggc.h (lang_cleanup_tree): Remove.
7384 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
7385 * ggc-callbacks.c (lang_cleanup_tree): Remove.
7387 * c-decl.c (finish_struct): Use ggc_alloc to allocate
7388 TYPE_LANG_SPECIFIC when garbage collecting.
7389 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
7390 (lang_cleanup_tree): Remove.
7392 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7394 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
7395 * crtstuff.c: Not here.
7396 * dwarf2out.c: Or here.
7397 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
7400 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
7402 * function.h (free_after_compilation): Remove decl parameter.
7403 (free_varasm_status0: Likewise.
7404 (free_emit_status): Likewise.
7405 (free_stmt_status): Likewise.
7406 (free_after_compilation): Likewise.
7407 (init_lang_status): New variable.
7408 (free_lang_status): Likewise.
7409 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
7410 * function.c (init_lang_status): New variable.
7411 (free_lang_status): Likewise.
7412 (push_function_context_to): Don't set function::decl here.
7413 (free_after_copmilation): Make decl parameter implicit. Call
7414 free_lang_status if defined.
7415 (prepare_function_start): Call init_lang_status if defined.
7416 (init_function_start): Set function::decl here.
7417 * profile.c (output_func_start_profiler): Don't call pushdecl
7418 until we've actually started the function.
7419 * stmt.c (free_stmt_status): Make decl parameter implicit.
7420 * toplev.c (rest_of_compilation): Don't pass decl to
7421 free_after_compilation.
7422 * varasm.c (free_varasm_status): Likewise.
7424 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7426 * except.c (call_get_eh_context): Add root when allocating static
7429 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
7431 * arm.c: Include "ggc.h".
7432 (arm_add_gc_roots): New function.
7433 (arm_override_options): Call it.
7434 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
7436 * arm.md (define_asm_attributes): Add a pool_range attribute.
7438 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
7440 * extend.texi (Volatiles): New node.
7442 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
7444 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
7445 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
7446 (struct ggc_any): Replace `mark' with `magic_mark'.
7447 (ggc_alloc_string): Use memcpy, not bcopy.
7448 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
7449 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
7450 (ggc_free_any): New.
7451 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
7452 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
7453 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
7454 Use IS_MARKED. Use ggc_free_any.
7456 1999-09-09 Scott Bambrough <scottb@netwinder.org>
7458 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
7460 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
7462 * toplev.c (main): Always init_ggc.
7464 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
7466 * except.c (find_all_handler_type_matches): Free the list if
7467 we found no matches.
7469 * combine.c (SUBST): Break out to a real function do_SUBST.
7470 (SUBST_INT): Likewise.
7471 * gcse.c (free_pre_mem): Free `temp_bitmap'.
7472 (pre_insert): Free `inserted'.
7473 * loop.c (basic_induction_var): Always set `location'.
7475 * function.c (expand_function_end): Add initial_trampoline as a root.
7476 * rtl.h (init_varasm_once): Declare.
7477 * toplev.c (compile_file): Call it.
7478 * ggc-simple.c (ggc_mark_string_ptr): New.
7479 (ggc_add_string_root): New.
7480 (ggc_collect): Disable collection avoidance temporarily.
7481 * ggc.h (ggc_add_string_root): Declare.
7482 * except.c (create_rethrow_ref): Use ggc_alloc_string.
7483 * optabs.c (init_libfuncs): Likewise.
7484 * varasm.c (named_section): Use ggc_alloc_string.
7485 (make_function_rtl): Likewise.
7486 (make_decl_rtl): Likewise.
7487 (assemble_static_space): Likewise.
7488 (assemble_trampoline_template): Likewise.
7489 (output_constant_def): Likewise.
7490 (force_const_mem): Likewise.
7491 (mark_const_hash_entry): New.
7492 (mark_pool_sym_hash_table): New.
7493 (mark_varasm_state): Use it.
7494 (init_varasm_once): New.
7496 * expr.h (init_one_libfunc): Declare.
7497 * optabs.c (init_one_libfunc): New.
7498 (init_optabs): Use it.
7499 * config/gofast.h: Likewise.
7500 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
7501 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
7503 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7505 * Makefile.in (cppexp.o): Depend on cpphash.h.
7506 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
7508 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
7509 * cpplib.c (do_define): Generalise to handle poisoned definitions,
7510 redefining poisoned identifiers, etc.
7511 (do_undef): Don't allow poisoned identifiers to be undefined.
7512 (do_pragma): Add #pragma poison.
7513 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7515 * cccp.c: Add T_POISON node type.
7516 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
7518 (do_define): Generalise to handle poisoned definitions,
7519 redefining poisoned identifiers, etc.
7520 (do_undef): Don't allow poisoned identifiers to be undefined.
7521 (do_pragma): Add #pragma poison.
7522 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7524 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
7525 * c-pragma.h: Add ps_poison state. We now always have generic
7528 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
7530 * ggc.h (ggc_alloc): New function.
7531 (ggc_mark): Likewise.
7532 * ggc-simple.c (ggc_any): New structure.
7533 (ggc_status): Add anys.
7534 (n_anys_collected): New variable.
7535 (ggc_alloc): Define.
7536 (ggc_mark): Likewise.
7537 (ggc_collect): Collect the anys.
7539 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * c-decl.c (mark_binding_level): Make static to match prototype.
7543 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7545 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7547 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7549 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7550 will use into account. Expand the max width to 5.
7553 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
7555 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
7558 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
7560 * alpha.md (call value patterns): Remove the result predicates.
7562 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
7564 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
7567 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7569 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
7570 changed from extern char *, to extern PTR. Also fix typo in
7571 NEED_DECLARATION_REALLOC test.
7573 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
7575 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7577 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
7578 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
7579 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
7580 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
7582 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
7584 * cccp.c (pcfinclude): Likewise.
7586 * global.c (allocno_compare): Likewise.
7588 * haifa-sched.c (rank_for_schedule): Likewise.
7590 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
7592 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
7594 * stupid.c (stupid_reg_compare): Likewise.
7596 * tree.c (_obstack_allocated_p): Likewise.
7598 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
7600 1999-09-08 Bruce Korb autogen@linuxbox.com
7602 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
7603 why "gperf -F" fails.
7604 * gcc/cp/Makefile.in: ditto
7605 * gcc/Makefile.in: ditto
7606 * gcc/java/Makefile.in: ditto
7608 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
7610 * lists.c: Include ggc.h.
7612 (init_EXPR_INSN_LIST_cache): Install it.
7614 * ggc-simple.c (init_ggc): Absorb the old init.
7615 (ggc_push_context): Use xcalloc.
7616 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
7617 (ggc_collect): Add [rvts] tags to the collection stats.
7619 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
7621 * cccp.c (main): Fix handling of -include and -imacros options.
7623 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
7625 * cpplib.c (cpp_push_buffer): Fix order of arguments.
7627 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7629 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
7632 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7634 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
7635 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
7636 and SET_DEST. Update comment.
7638 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7640 * config/c4x/c4x.c: Include ggc.h.
7641 (c4x_add_gc_roots): New function.
7642 (c4x_override_options): Call c4x_add_gc_roots.
7644 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
7646 * defaults.h (TARGET_ESC): Move ...
7647 * system.h: ... here, where Linas had it in the first place. Silly me.
7649 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
7651 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
7652 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
7653 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
7654 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
7655 * defaults.h (TARGET_ESC): Add default.
7657 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
7659 * configure.in: add i370-*-openedition, i370-*-mvs and
7660 i370-*-linux targets
7662 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
7664 * dsp16xxx.c: Include ggc.h
7665 (override_options): Mark GC roots.
7666 * mn10200.c: Include ggc.h.
7667 (asm_file_start): Mark GC roots.
7668 * tahoe.c: Include ggc.h.
7669 (extensible_operand): Mark GC roots.
7671 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
7673 * README: Add section discussing status of ELF ABI.
7674 * i370.c: Fix misc spelling mistakes.
7675 (i370_label_scan): Updated notes, exception handling.
7676 (i370_function_prolog): Simplify ELF stack handling.
7677 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
7678 (STACK_GROWS_DOWNWARD): ELF stack grows down.
7679 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
7680 * i370.md: (movdi): Add notes.
7681 (floatsidf2): Use stack not rtca for scratch float area.
7682 (iorsi3): Correct operand constraints.
7683 * x-oe: Restore TAROUTOPTS which are used by pax.
7685 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
7687 * rs6000.c: Include ggc.h.
7688 (rs6000_add_gc_roots): New function.
7689 (override_options): Call it.
7691 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
7693 * alpha.h (alpha_compare): New.
7694 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
7695 * alpha.c: Likewise for the definitions.
7696 (alpha_emit_conditional_branch): Update for alpha_compare.
7697 (alpha_emit_conditional_move): Likewise.
7698 * alpha.md (cmpdf, cmpdi): Likewise.
7699 (setcc patterns): Likewise. Zero alpha_compare after use.
7700 (sne): Optimize (x != 0) into (0U < x).
7702 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
7704 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
7705 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
7706 (INIT_EXPANDERS): Remove.
7707 * alpha.c: Include ggc.h.
7708 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
7709 (alpha_init_machine_status, alpha_mark_machine_status): New.
7710 (override_options): Install them.
7711 (struct machine_function): Moved to alpha.h.
7712 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
7713 (alpha_init_expanders): Remove.
7714 (alpha_return_addr): Adjust to use current_function->machine.
7715 (alpha_ra_ever_killed): Likewise.
7716 (alpha_expand_epilogue): Likewise.
7717 * alpha.md (eh_epilogue): Likewise.
7719 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
7720 Melissa O'Neill <oneill@cs.sfu.ca>
7721 Geoffrey Keating <geoffk@cygnus.com>
7723 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
7724 call-used registers (call-saved registers must still be contiguous
7725 and end with r31, of course).
7727 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
7729 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
7730 (self_promoting_type_p): Delete.
7731 (self_promoting_args_p): Move ...
7732 * c-common.c: ... here.
7733 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
7734 (simple_type_promotes_to): New.
7735 * builtins.c (lang_type_promotes_to): New.
7736 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
7737 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
7738 * c-common.h: ... here.
7739 (self_promoting_args_p, simple_type_promotes_to): Declare.
7740 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
7741 (grokdeclarator): Likewise.
7742 * tree.h (lang_type_promotes_to): Declare.
7744 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
7746 Add some machine-dependent GC roots.
7747 * sparc.c: Include ggc.h.
7748 (sparc_add_gc_roots): New function.
7749 (mark_ultrasparc_pipeline_state): Likewise.
7750 (override_options): Call sparc_add_gc_roots.
7751 * pa.c: Include ggc.h.
7752 (pa_add_gc_roots): New function.
7753 (mark_deferred_plabels): Likewise.
7754 (override_options): Call pa_add_gc_roots.
7755 * mips.c: Include ggc.h.
7756 (mips_add_gc_roots): New function.
7757 (override_options): Use it.
7759 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7761 * cpperror.c (cpp_file_line_for_message): Constify a char*.
7763 * cppexp.c (parse_number, parse_charconst, cpp_lex,
7764 cpp_parse_expr): Add static prototypes.
7765 (parse_charconst): Don't cast away const-ness.
7766 (token): Constify a char*.
7768 * cppfiles.c (file_name_list, include_hash, find_include_file,
7769 finclude, initialize_input_buffer): Constify a char*.
7770 (file_cleanup, find_position): Add static prototypes.
7772 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
7773 collect_expansion): Add static prototypes.
7774 (cpp_install, create_definition, monthnames): Constify a char*.
7776 * cpphash.h (cpp_install): Likewise.
7778 * cppinit.c (known_suffixes, default_include,
7779 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
7780 (base_name, dump_special_to_buffer, initialize_dependency_output):
7781 Add static prototypes.
7783 * cpplib.c (my_strerror): Constify a char*.
7784 (null_underflow, null_cleanup, skip_comment, copy_comment,
7785 copy_rest_of_line, handle_directive, pass_thru_directive,
7786 get_directive_token, read_line_number, cpp_print_file_and_line,
7787 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
7788 v_cpp_warning_with_line, detect_if_not_defined,
7789 consider_directive_while_skipping): Add static prototypes.
7790 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
7791 cpp_pedwarn_with_file_and_line): Constify a char*.
7793 * cpplib.h (cpp_options, include_hash, progname, definition,
7794 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
7795 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
7796 find_include_file, deps_output, include_hash): Constify a char*.
7798 * cppmain.c (progname): Constify.
7799 (main): Add prototype. Use return, not exit.
7801 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
7802 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
7803 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
7804 check_protection): Add static prototype.
7806 (progname, recognized_macrom, recognized_extern): Constify a char*.
7807 (main): Add prototype.
7809 * gen-protos.c (progname): Constify a char*.
7811 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
7813 * emit-rtl.c (free_emit_status): Take decl as a parameter.
7814 (init_emit_once): Add more GC roots.
7815 * except.c (mark_func_eh_entry): New function.
7816 (mark_eh_node): Mark false_label and rethrow_label.
7817 (init_eh): Add more GC roots.
7818 * function.c (free_after_compilation): Take decl as a paramter.
7819 Call free_stmt_status.
7820 (mark_function_state): Don't assume x_parm_reg_stack_loc is
7822 * function.h (free_after_compilation): Change prototype.
7823 (free_varasm_status): Likewise.
7824 (free_emit_status): Likewise.
7825 (free_stmt_status): New function.
7826 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
7827 Remove, replacing with ...
7828 (ggc_status): New structure.
7829 (ggc_chain): New variable.
7831 (ggc_push_context): New function.
7832 (ggc_pop_context): Likewise.
7833 (ggc_alloc_rtx): Adjust for use of ggc_chain.
7834 (ggc_alloc_rtvec): Likewise.
7835 (ggc_alloc_tree): Likewise.
7836 (ggc_alloc_string): Likewise.
7837 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
7838 (ggc_mark_tree): Give language-dependent code a chance to mark
7840 (ggc_mark_tree_varray): Handle empty arrays.
7841 (ggc_collect): Adjust for use of ggc_chain. Clear
7842 bytes_alloced_since_last_gc.
7843 * ggc.h (ggc_pop_context): New function.
7844 (ggc_push_context): Likewise.
7845 * print-tree.c (print_node): Don't print obstacks when GC'ing.
7846 * stmt.c (free_stmt_status): New function.
7847 (init_stmt_for_function): Clear last_expr_value.
7848 * toplev.c (rest_of_compilation): Always call free_after_compilation.
7849 Conditionalize call to ggc_collect.
7850 (main): Call init_ggc.
7851 * tree.c (push_obstacks): Do the push, even when GC'ing.
7852 (push_obstacks_nochange): Likewise.
7853 (pop_obstacks): Liekwise.
7854 * varasm.c (free_varasm_status): Take decl as a parameter.
7856 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
7858 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
7859 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
7860 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
7861 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
7863 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
7865 * pa/x-pa-mpeix: New file for the MPE port.
7867 * pa/quadlib.asm: New file for long double support.
7869 * configure.in: Add hppa1.0-*-mpeix for MPE port.
7870 * configure: Rebuilt.
7872 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
7874 * final.c (shorten_branches): Fix last change.
7876 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
7878 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
7880 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
7882 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
7885 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7887 * c-aux-info.c (concat): Don't define.
7889 * cccp.c (my_strerror): Likewise. All callers changed to use
7891 (do_include): Call xstrdup, not xmalloc/strcpy.
7892 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
7893 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
7895 * collect2.c (my_strsignal): Likewise. All callers changed to use
7897 (locatelib): Call xstrdup, not xmalloc/strcpy.
7899 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
7901 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
7903 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
7905 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
7907 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
7909 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
7911 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
7913 (find_all_handler_type_matches): Likewise. Don't check return
7915 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
7916 xmalloc, not malloc.
7917 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
7919 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
7920 (init_spec): Call xcalloc, not xmalloc/bzero.
7921 (set_spec): Call xstrdup, not save_string.
7922 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
7923 (find_a_file): Call xstrdup, not xmalloc/strcpy.
7924 (process_command): Call xstrdup, not save_string.
7925 (main): Call xcalloc, not xmalloc/bzero.
7927 * gcov.c (xmalloc): Don't define.
7928 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
7929 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
7930 (output_data): Call xcalloc, not xmalloc/bzero.
7932 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
7934 * mips-tdump.c (xmalloc): Don't define.
7935 (print_symbol): Call xmalloc, not malloc.
7936 (read_tfile): Call xcalloc, not calloc.
7938 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
7939 Don't define. All callers of xfree/my_strsignal changed to use
7940 free/strsignal instead.
7941 (allocate_cluster): Call xcalloc, not calloc.
7943 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
7944 Fix memory leak, free allocated memory.
7946 * prefix.c (translate_name): Call xstrdup, not save_string.
7947 (update_path): Likewise.
7949 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
7951 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
7952 Don't define. Callers of xfree/savestring2 changed to use
7953 free/concat instead.
7955 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7956 (init_elim_table): Likewise.
7958 * resource.c (init_resource_info): Likewise.
7960 * stupid.c (stupid_life_analysis): Likewise.
7962 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7963 (open_dump_file): Call concat, not xmalloc/strcpy/...
7964 (clean_dump_file): Likewise.
7965 (compile_file): Call xstrdup, not xmalloc/strcpy.
7967 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7969 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7970 * v850.c (v850_va_arg): New.
7972 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7974 * haifa-sched.c: Tidy comments.
7976 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7978 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7979 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7980 $(out_object_file)): Depend on ggc.h.
7981 * c-common.c: Include "ggc.h".
7982 (combine_strings): If doing GC, use ggc_alloc_string.
7983 * c-decl.c: Include "ggc.h".
7984 (ggc_p): Define with value 0.
7985 (mark_binding_level): New function.
7986 (init_decl_processing): Add GC roots.
7987 (mark_c_function_context): New function.
7988 (lang_mark_false_label_stack): New function.
7989 (lang_mark_tree): New function.
7990 (lang_cleanup_tree): New function.
7991 * c-lang.c: Include "ggc.h".
7992 (lang_init): Call c_parse_init.
7993 * c-lex.c: Include "ggc.h".
7994 (check_linenum): If doing GC, don't copy filenames to permanent
7996 * c-parse.in: Include "ggc.h".
7997 (c_parse_init): New function.
7998 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
7999 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8001 * except.c (mark_eh_state): Mark more state.
8002 * function.c (mark_function_state): Likewise.
8003 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8004 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8005 * toplev.c (mark_file_stack): New function.
8006 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8007 (main): Add root for input_file_stack.
8009 * i386.c: Include "ggc.h".
8010 (ix86_mark_machine_status): New function.
8011 (override_options): Set mark_machine_status.
8013 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8015 * tree.c (copy_node): Copy node contents also if doing GC.
8017 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8019 * collect2.c (scan_libraries): Fix double-thinko :-).
8021 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8023 * collect2.c (scan_libraries): Fix thinko.
8025 * cse.c (delete_trivially_dead_insns): Do not skip the last
8026 insn if it is a real insn.
8028 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8030 * Makefile.in (ggc-simple.o): Depend on hash.h.
8031 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8032 (ggc_mark_tree_varray): Likewise.
8033 (ggc_mark_tree_hash_table): Likewise.
8034 * ggc-simple.c: Include hash.h.
8035 (ggc_mark_tree_hash_table_ptr): New function.
8036 (ggc_mark_tree_hash_table_entry): Likewise.
8037 (ggc_mark_tree_hash_table): Likewise.
8038 (ggc_add_tree_hash_table_root): Likewise.
8039 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8040 rtx, when defining fields.
8042 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8044 * profile.c (output_func_start_profiler): Remove apparently
8045 nonsensical call to start_sequence.
8047 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8049 * clipper/clipper.c (clipper_va_start): Fix typos.
8051 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8052 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8053 (spur_va_arg): New stub.
8055 * configure.in: Comment out pyramid.
8057 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8059 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8060 don't conflict with the bits that win32, cygwin, and dgux
8063 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8064 Bernd Schmidt <bernds@cygnus.co.uk>
8066 * integrate.c (function_cannot_inline_p): Do not inline
8067 functions with forced labels.
8069 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8070 Bernd Schmidt <bernds@cygnus.co.uk>
8071 Mark Mitchell <mark@codesourcery.com>
8073 * Makefile.in (ggc-simple.o): Depend on varray.h.
8074 (rtl.o): Depend on ggc.h.
8075 (genattrtab.o): Depend on ggc.h.
8076 (print-tree.o): Likewise.
8077 (fold-const.o): Likewise.
8078 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8079 (make_insn_raw): Don't cache insns when GC'ing.
8080 (emit_insn_before): Likewise.
8081 (emit_insn_after): Likewise.
8082 (emit_insn): Likewise.
8083 (start_sequence): Use xmalloc to allocate the sequence_stack.
8084 (end_sequence): Add free to free it.
8085 (gen_sequence): Don't cache insns when GC'ing.
8086 (clear_emit_caches): Don't use sequence_element_free_list.
8087 (init_emit): Use xcalloc, not xmalloc+bzero.
8088 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8089 * function.c (pop_function_context_from): Use free to free the
8090 fixup_var_refs_queue.
8091 (put_reg_into_stack): Allocate it with xmalloc.
8092 * genattrtab.c: Include ggc.h.
8093 (operate_exp): Don't use obstack_free when GC'ing.
8094 (simplify_cond): Likewise.
8095 (simplify_text_exp): Likewise.
8096 (optimize_attrs): Likewise.
8097 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8099 (gencode): Generate a #include for ggc.h.
8100 * ggc-callbacks.c (ggc_p): Define it to zero.
8101 * ggc-none.c (ggc_p): Likewise.
8102 * ggc-simple.c: Include varray.h.
8103 (ggc_mark_tree_varray): New function.
8104 (ggc_add_tree_varray_root): Likewise.
8105 (ggc_mark_tree_varray_ptr): Likewise.
8106 * ggc.h (ggc_p): Declare.
8107 (varray_head_tag): Likewise.
8108 (ggc_add_tree_varray_root): Declare.
8109 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8110 inconsistencies when GC'ing.
8111 * rtl.c: Include ggc.h.
8112 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8113 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8114 (rtx_free): Don't call obstack_free when GC'ing.
8115 * toplev.c (rest_of_compilation): Call ggc_collect after every
8117 * tree.c (push_obstacks): Do nothing, if GC'ing.
8118 (pop_obstacks_nochange): Likewise.
8119 (pop_obstacks): Likewise.
8120 (make_node): Use ggc_alloc_tree when GC'ing.
8121 (copy_node): Likewise.
8122 (get_identifier): Use ggc_alloc_string when GC'ing.
8123 (build_string): Likewise.
8124 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8125 (tree_cons): Likewise.
8127 (type_hash_canon): Don't call obstack_free when GC'ing.
8129 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8131 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8132 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8134 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8135 Bernd Schmidt <bernds@cygnus.co.uk>
8136 Mark Mitchell <mark@codesourcery.com>
8138 * Makefile.in (stor-layout.o): Depend on ggc.h.
8139 (expr.o): Depend on ggc.h.
8140 (profile.o): Depend on ggc.h.
8141 (stor-layout.o): Depend on ggc.h.
8142 * emit-rtl.c (init_emit_once): Add gc roots.
8143 * expr.c: Include ggc.h.
8144 (emit_block_move): Add gc roots.
8145 (clear_storage): Likewise.
8146 * expr.h (init_stor_layout_once): New function.
8147 * profile.c: Include ggc.h.
8148 (init_arc_profiler): profiler_label is a root.
8149 * scan.c (make_sstring_space): Trust xrealloc to function
8150 correctly with first parameter NULL.
8151 * stor-layout.c: Include ggc.h.
8152 (set_sizetype): Add gc root.
8153 (init_stor_layout_once): New function.
8154 * toplev.c (compile_file): Call it.
8156 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8157 Bernd Schmidt <bernds@cygnus.co.uk>
8158 Mark Mitchell <mark@codesourcery.com>
8160 * Makefile.in (tree.o): Depend on ggc.h.
8161 (varasm.o): Likewise.
8162 (function.o): Likewise.
8164 (except.o): Likewise.
8165 (optabs.o): Likewise.
8166 (emit-rtl.o): Likewise.
8167 * emit-rtl.c: Include ggc.h.
8168 (sequence_element_free_list): Remove, and all references.
8169 (mark_sequence): New functions.
8170 (mark_emit_state): New function.
8171 * except.c: Include ggc.h.
8172 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8173 (mark_tree_label_node): New functions.
8174 (mark_eh_state): New function.
8175 * function.c: Include ggc.h.
8176 (mark_temp_slot, mark_function_chain): New functions.
8177 (mark_function_state): New function.
8178 (init_function_once): New function.
8179 * function.h (init_function_once): New function.
8180 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8181 * ggc.h (label_node): Declare.
8182 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8183 (lang_mark_false_label_stack): New function.
8184 (mark_temp_slot): Remove declaration.
8185 (mark_function_chain): Likewise.
8186 (mark_eh_state): Adjust prototype.
8187 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8189 * optabs.c: Include ggc.h.
8190 (mark_optab): New function.
8191 (init_optabs): Add gc roots.
8192 * stmt.c: Include ggc.h.
8193 (mark_cond_nesting, mark_loop_nesting): New functions.
8194 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8195 (mark_stmt_state): New function.
8196 * toplev.c (compile_file): Call init_function_once.
8197 * tree.c: Include ggc.h.
8198 (type_hash): Move declaration earlier in file.
8199 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8200 (init_obstacks): Add gc roots.
8201 (mark_type_hash): New function.
8202 * varasm.c: Include ggc.h.
8203 (mark_pool_constant): New function.
8204 (mark_varasm_state): New function.
8206 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8208 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8210 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8212 * c-decl.c (struct language_function): Renamed from struct c_function.
8214 (c_function_chain): Delete.
8215 (push_c_function_context): New arg F. Don't warn about nested
8216 functions here. Fill LANGUAGE elt of F. Delete code to update
8217 c_function_chain. Don't call push_function_context.
8218 (pop_c_function_context): New arg F. Restore from there instead of
8219 from c_function_chain. Don't call pop_function_context. Clear out
8220 LANGUAGE field of F when done.
8221 * c-lang.c: Include "function.h"
8222 (lang_init): Initialize save_lang_status and restore_lang_status.
8223 * c-parse.in (nested_function, nested_function_notype): Warn about
8224 nested functions. Call push_function_context/pop_function_context
8225 instead of the _c_ variants.
8226 * c-tree.h (push_c_function_context, pop_c_function_context): Update
8228 * Makefile.in (c-lang.o): Update dependencies.
8230 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
8231 regno_pointer_flag, regno_pointer_align.
8232 (gen_reg_rtx): Use xrealloc to enlarge them.
8233 (free_emit_status): New function.
8234 * function.c (mark_machine_status, mark_lang_status): New variables.
8235 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
8236 in some bits from assign_stack_local. All callers changed to use new
8238 (assign_stack_local): Just call assign_stack_local_1.
8239 (free_after_compilation): New function.
8240 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
8241 (trampoline_address): Likewise.
8242 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
8243 (prepare_function_start): Explicitly clear some more variables.
8244 * function.h (struct function): New elt can_garbage_collect.
8245 (mark_machine_status, mark_lang_status): Declare variables.
8246 (free_after_compilation, free_emit_status, free_varasm_status,
8247 init_varasm_status): Declare functions.
8248 * toplev.c (rest_of_compilation): Call free_after_compilation when
8249 done with the current function.
8250 * varasm.c (free_varasm_status): New function.
8252 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
8254 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
8255 (EXPAND_BUILTIN_VA_ARG): Define.
8256 * sparc.c (sparc_va_start): New.
8257 (sparc_va_arg): New.
8259 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8261 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
8263 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8265 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
8267 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
8269 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
8271 (ggc-callbacks.o): New target.
8272 * ggc-callbacks.c: New file.
8274 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8276 * expr.h: Collapse individual optab and libfunc vars to arrays.
8277 (optab_index, libfunc_index): New enumerations.
8278 (optab_table, libfunc_table): New arrays.
8279 Add accessor macros for both.
8281 * optabs.c (optab_table, libfunc_table): New.
8282 Delete declarations for individual optab and libfunc vars.
8284 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
8286 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
8288 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8290 * Makefile.in (GGC, GGC_LIB): New.
8291 (HOST_RTL): Include ggc-none.o.
8292 (ggc-simple.o): New target.
8293 (ggc-none.o): Likewise.
8294 * tree.h (tree_common): Add gc_mark.
8295 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
8296 (struct rtvec_def): Add gc_mark.
8297 * emit-rtl.c (global_rtl): Update static initializers to contain
8298 enough initializers.
8299 * ggc.h, ggc-none.c, ggc-simple.c: New files.
8300 * toplev.c (gc_time): New variable.
8301 (all_time): New variable.
8302 (compile_file): Print gc time.
8303 (print_time): Calculate percentage of the whole.
8305 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8307 Change obstack memory management and varasm constant pool handling so
8308 that nested functions are treated like any other functions.
8309 * function.c (init_machine_status): New variable.
8310 (push_function_context_to): Set contains_functions for the outer
8311 function. Don't call save_varasm_status.
8312 (pop_function_context_from): Don't call restore_varasm_status. Don't
8313 set current_function_contains_functions.
8314 (prepare_function_start): Call init_varasm_status rather than
8315 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
8317 * function.h (struct function) Add field varasm. Delete fields
8318 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
8319 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
8320 (init_machine_status): Declare.
8321 (save_varasm_status, restore_varasm_status): Delete declarations.
8322 (save_tree_status, restore_tree_status): Delete last argument.
8323 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
8324 code. All callers changed.
8325 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
8326 save_constants_in_decl_trees, restore_constants, save_constants,
8327 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
8329 (inlining): New variable.
8330 (reg_map, label_map, insn_map, orig_asm_operands_vector,
8331 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
8333 (save_for_inline_nocopy): Don't save constants.
8334 Don't set inl_emit field in current_function.
8335 (expand_inline_function): Use emit field, not inl_emit, of the inlined
8336 function. Set new variable inlining before
8337 calling copy_rtx_and_substitute.
8338 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
8339 constant pool references if inlining is nonzero.
8340 Delete ADDRESS and (most of the) CONST cases.
8341 (output_inline_function): Save and restore current_function/
8342 current_function_decl. Delete restore_constants code. Don't call
8343 init_const_rtx_hash_table.
8344 * output.h (init_const_rtx_hash_table): Don't declare.
8345 * rtl.h (struct function): Declare.
8346 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
8347 * toplev.c (rest_of_compilation): Don't treat nested functions or
8348 functions containing them specially. Delete all code to deal with
8349 save_for_inline_copying.
8350 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
8351 inline_obstacks): Delete variables.
8352 (save_tree_status): Lose arg CONTEXT. All callers changed.
8353 Simply allocate a new function_maybepermanent_obstack for the new
8354 function, delete all the special cases.
8355 Don't save inline_obstacks.
8356 (restore_tree_status): Lose arg CONTEXT. All callers changed.
8357 Delete special handling for function_maybepermanent_obstack; simply
8359 Don't restore inline_obstacks.
8360 (permanent_allocation): Delete code that frees inline_obstacks.
8361 (print_inline_obstack_statistics): Delete function.
8362 (dump_tree_statistics): Don't call it.
8363 * varasm.c (struct varasm_status): New.
8364 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
8365 last_pool, pool_offset, const_double_chain): Delete global
8366 variables, replace with accessor macros.
8367 (immed_double_const): Don't walk const_double_chain outside a
8368 function, but don't treat nested functions specially anymore.
8369 (immed_real_const_1): Likewise.
8370 (clear_const_double_mem): Don't treat nested functions specially.
8371 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
8372 (save_varasm_status, restore_varasm_status): Delete functions.
8373 (init_varasm_status): New function.
8374 (force_const_mem): Don't treat nested functions specially.
8375 (find_pool_constant): Accept new arg F, search for constants in
8376 that function's pool rather than the current one. All callers
8378 (get_pool_constant_for_function, get_pool_mode_for_function): New
8381 * i386.c (init_386_machine_status): New function, mostly from
8382 clear_386_stack_locals.
8383 (struct machine_functions): Rename element names to avoid name
8385 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
8386 macros, replacing global variables.
8387 (clear_386_stack_locals, save_386_machine_status,
8388 restore_386_machine_status): Delete functions.
8389 (override_options): Initialize init_machine_status.
8390 * i386.h (INIT_EXPANDERS): Delete macro.
8391 (save_386_machine_status, restore_386_machine_status,
8392 clear_386_stack_locals): Delete declarations.
8394 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8396 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
8397 (doloop_begin): Simplify pattern and use emit_jump_insn.
8398 (doloop_end): Simplify pattern, switch operand order,
8399 and use emit_jump_insn.
8401 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8403 * function.h (struct function): Add new element LANGUAGE.
8404 (save_lang_status): Declare new variable.
8405 (restore_lang_status): Likewise.
8406 * function.c (save_lang_status): Define.
8407 (restore_lang_status): Likewise.
8408 (push_function_context_to): Call language-specific save function.
8409 (pop_function_context_from): Call language-specific restore function.
8411 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8413 * i386.md (movsf_1): Check REG_P before use of REGNO.
8414 (movdf_1): Likewise.
8415 (movxf_1): Likewise.
8416 (extendsfdf2): Likewise.
8417 (extendsfxf2): Likewise.
8418 (extenddfxf2): Likewise.
8420 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8422 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
8423 constants into memory.
8424 (c4x_shiftable_constant): New function.
8425 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
8426 (c4x_shiftable_constant): Declare.
8427 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
8428 ashlqi3_noclobber): Add new patterns and associated splitters.
8430 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
8432 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
8433 * dwarf2out.c (dwarf2out_frame_init): Likewise.
8434 * final.c (shorten_branches): Likewise.
8435 * global.c (global_alloc): Likewise.
8436 * haifa-sched.c (build_control_flow): Likewise.
8437 * stmt.c (check_for_full_enumeration_handling): Likewise.
8438 (estimate_case_costs): Likewise.
8440 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
8442 * rtl.h (RTL_CHECKC2): Fix typo in last change.
8444 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
8446 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
8447 (recompute_reg_usage): Likewise.
8448 * rtlanal.c (find_regno_fusage): Likewise.
8450 * rtl.c (rtl_check_failed_code1): New function.
8451 (rtl_check_failed_code2): New.
8452 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
8453 (RTL_CHECKC1, RTL_CHECKC2): New.
8454 (XC*): New accessor macros.
8455 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
8456 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
8457 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
8458 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
8459 (TRAP_*, RANGE_INFO_*): Likewise.
8461 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8463 * Makefile.in (tlink.o): Don't depend on toplev.h.
8465 * collect2.c (c_file, o_file, export_file, import_file, ldout,
8466 output_file, nm_file_name, ldd_file_name, strip_file_name,
8467 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
8468 add_prefix, prefix_from_env, prefix_from_string, do_wait,
8469 fork_execute, maybe_unlink, add_to_list,
8470 extract_init_priority, write_list, dump_list,
8471 dump_prefix_list, write_list_with_asm, write_c_file,
8472 write_c_file_stat, write_c_file_glob, scan_prog_file,
8473 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
8474 ignore_library, extract_string, notice, dump_file, target_machine,
8475 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
8476 read_file, print_load_command): Constify a char*.
8477 (fdopen, error, fatal, fatal_perror): Don't prototype.
8478 (my_strerror): Remove. All callers use xstrerror instead.
8479 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
8480 (main): Add prototype. Constify lots of char* ptrs. Change calls
8481 to xcalloc/strcpy/strcat/... to one call to concat.
8482 (main, scan_prog_file, scan_libraries): Use an intermediate
8483 `const char **' to build an argv array.
8484 (mapfile, libselect, libcompare, locatelib): Add prototypes.
8486 * collect2.h (collect_execute, collect_wait, dump_file,
8487 file_exists): Constify a char*.
8488 (ldout, c_file_name, temporary_obstack, permanent_obstack,
8489 temporary_firstobj, vflag, debug): Add extern declarations.
8490 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
8492 * tlink.c: Don't include toplev.h.
8493 (vflag, debug, ldout, c_file_name, temporary_obstack,
8494 permanent_obstack, temporary_firstobj): Don't declare.
8495 (tlink_execute, frob_extension, symbol_hash_lookup,
8496 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
8497 recompile_files, read_repo_files, demangle_new_symbols,
8498 scan_linker_output): Constify a char*.
8499 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
8500 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
8502 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
8504 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
8505 (relative) rather than jsr (absolute) subroutine call insns.
8506 * config/m68k/m68k-coff.h: Ditto.
8508 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
8510 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
8511 now rework these too.
8512 (arm_reorg): If an insn can't reach the end of the current pool,
8513 ensure that we emit that pool before the insn.
8515 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
8517 * tlink.c (scan_linker_output): Skip the initial underscore in
8518 a mangled name if appropriate.
8520 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8522 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
8523 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
8524 error_with_ivar, gen_declarator, create_builtin_decl,
8525 my_build_string, generate_descriptor_table, generate_ivars_list,
8526 generate_dispatch_table, check_protocols, TAG_GETCLASS,
8527 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
8528 dump_base_name, lang_decode_option, build_encode_expr,
8529 start_class, finish_class, encode_pointer, really_start_method,
8530 gen_declaration, dump_interface, handle_class_ref, handle_impent):
8532 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
8533 Add static prototypes.
8534 (build_objc_string_decl, build_selector_reference_decl,
8535 encode_bitfield, build_class_reference_decl): Remove unused
8536 parameter, all callers changed.
8537 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
8538 (objc_printable_name): Likewise. Change second parameter to type int.
8539 (init_objc): Use memcpy, not bcopy, to avoid casts.
8541 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8543 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8544 reg notes on a deleted insn.
8545 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8547 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8549 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8551 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8553 * stmt.c (expand_asm_operands): Fix index into inout_mode when
8556 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
8558 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
8559 * tm.texi (MD_ASM_CLOBBERS): Document it.
8561 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
8563 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
8564 * except.c (expand_rethrow): Remove unused variable.
8565 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
8566 * flow.c (replace_insns): Likewise.
8567 (create_edge_list, verify_edge_list): Likewise.
8568 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
8570 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
8571 is special code to run.
8572 (main): Don't define operands to emit_operand.
8573 * genrecog.c (main): Don't emit an empty peephole2_insn function.
8575 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
8577 * alpha/alpha.h (normal_memory_operand): Declare.
8578 (reg_no_subreg_operand): Declare.
8579 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
8581 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
8583 * c-parse.in (compstmt_primary_start): New, broken out of first
8584 part of compstmt handling in primary.
8585 (primary): Use it. Add an error clause.
8586 (compstmt_nostart): Renamed from compstmt; remove all
8587 initial invocations of compstmt_start.
8590 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
8592 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
8595 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
8597 * combine.c (simplify_shift_const): Remove extra semicolon.
8598 * dwarf2out.c (remove_AT): Likewise.
8599 * expmed.c (expand_mult): Likewise.
8600 * gcov.c (create_program_flow_graph): Likewise.
8601 * reorg.c (mostly_true_jump): Likewise.
8603 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
8605 * fold-const.c (fold_range_test): Do not try to fold the range
8606 test if the rhs or lhs has side effects.
8608 * combine.c (simplify_rtx): Recognize another case of a synthesized
8611 * varasm.c (mark_constant_pool): When marking indirect references,
8612 only look at SYMBOL_REFs.
8614 * except.c (expand_fixup_region_end): Do not peek at
8615 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
8617 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
8619 * flags.h: New variables align_loops, align_loops_log,
8620 align_jumps, align_jumps_log, align_labels, align_labels_log,
8621 align_functions, align_functions_log.
8622 * toplev.c: Define them.
8623 (f_options): Handle -falign-* when they have no argument.
8624 (main): Add logic to set variables for -falign-functions,
8625 -falign-jumps, -falign-labels, -falign-loops.
8626 Make it -fsched-verbose=<n> and -finline-limit=<n>.
8627 (display_help): Change help to match options.
8628 * final.c (LABEL_ALIGN): Default to align_labels_log.
8629 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
8630 (LOOP_ALIGN): Default to align_loops_log.
8631 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
8632 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
8633 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
8634 * varasm.c (assemble_start_function): Handle align_functions.
8636 * config/sparc/sparc.h: Don't declare sparc_align_*.
8637 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
8638 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
8640 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
8642 * config/sparc/sparc.c: Delete sparc_align_loops,
8643 sparc_align_jumps, sparc_align_funcs and the corresponding string
8645 (sparc_override_options): Default align_functions on ultrasparc.
8646 Delete -malign-* handling.
8648 * config/mips/mips.c (override_options): On 64-bit targets,
8649 try to align code to 64-bit boundaries.
8650 (print_operand): New substitution, %~,
8651 which aligns labels to align_labels_log.
8652 * config/mips/mips.md (div_trap_normal): Use %~.
8653 (div_trap_mips16): Likewise.
8658 (ashldi3_internal): Likewise.
8659 (ashrdi3_internal): Likewise.
8660 (lshrdi3_internal): Likewise.
8661 (casesi_internal): Likewise.
8663 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
8665 Merge new ia32 backend from the branch!
8667 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
8668 See ChangeLog.P2 on new_ia32_branch for details.
8670 * rtl.h (stack_regs_mentioned_p): Delete prototype.
8671 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
8672 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8673 * i386/gas.h (ASM_FILE_START): Define.
8674 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
8675 for name change of ix86_valid_decl_attribute_p.
8676 (i386_pe_valid_type_attribute_p): Similarly.
8678 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
8680 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
8681 to step through CC modes.
8683 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8685 * regmove.c (fixup_match_1): Don't move INSN in front of P if
8686 it would end up in the shadow of a live flags regsiter.
8688 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8690 * reload1.c: Fix many indentation problems.
8691 * reload.c: Likewise.
8693 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
8695 * alias.c (non_local_reference_p): Constify fmt.
8697 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
8699 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
8701 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
8703 * cse.c (delete_trivially_dead_insns): Do not delete stores to
8704 the internal_arg_pointer.
8706 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
8708 Merge peephole2 from new_ia32_branch:
8709 * Makefile.in (STAGESTUFF): Add *.peephole2.
8710 (mostlyclean): Likewise.
8711 (recog.o): Depend on resource.h.
8713 * final.c (peephole): Conditionalize decl on HAVE_peephole.
8714 (final_scan_insn): Likewise for the invocation of peephole.
8715 * genconfig.c (main): Look for peephole and peephole2 patterns.
8716 Emit HAVE_peephole* accordingly.
8717 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
8718 * flags.h (flag_peephole2): Declare.
8719 * toplev.c: New pass peephole2. New flag -fpeephole2.
8721 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
8722 * gencodes.c (main): Likewise.
8723 * genextract.c (main): Likewise.
8724 * genoutput.c (main): Likewise.
8725 * genemit.c (max_operand_1): Look for the max scratch operand.
8726 (gen_rtx_scratch): New.
8727 (gen_exp): Use it, and pass on new arg subroutine_type.
8728 (gen_expand): Take max scratch into account.
8729 (gen_split): Emit peephole2 functions.
8730 (output_peephole2_scratch): New.
8731 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
8732 * genrecog.c (routine_type): Add PEEPHOLE2.
8734 (make_insn_sequence): Match outer parallel for peep2. Discard
8735 top level scratches and dups.
8736 (add_to_sequence): New args insn_type and top. Update all callers.
8737 Handle toplevel peep2 matching insns.
8738 (write_subroutine): Handle peep2.
8739 (write_tree_1): Likewise.
8740 (write_tree): Likewise.
8742 (change_state): New arg afterward. Update all callers.
8743 Handle matching separate insns.
8744 * recog.c (recog_next_insn): New.
8745 (peephole2_optimize): New.
8746 * rtl.def (DEFINE_PEEPHOLE2): New.
8747 * resource.c (find_free_register): New argument last_insn. Use it
8748 to find a register available through the entire span.
8749 * resource.h (find_free_register): Update prototype.
8751 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
8753 * i386.c (output_strlen_unroll): Don't write xops[7]
8754 label if it wasn't set.
8756 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
8758 * cpplib.c (struct directive): Const-ify name pointer and
8759 function pointer prototype.
8760 (validate_else, do_define, do_line, do_include, do_undef,
8761 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
8762 do_elif, do_endif, do_sccs, do_assert, do_unassert,
8763 do_warning): Const-ify second arg.
8764 (directive_table): Mark const. Reorder entries by frequency
8765 of usage, record statistics.
8767 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
8769 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
8770 bounds- check RTL accesses if --enable-checking.
8771 (RTVEC_ELT): Bounds check if --enable-checking.
8772 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
8773 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
8774 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
8776 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8777 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
8779 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
8780 (NOTE_SOURCE_FILE): Use X0STR.
8781 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
8782 MEM_ALIAS_SET): Use X0INT.
8783 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
8784 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
8786 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
8787 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
8788 (rtl_check_failed_bounds, rtl_check_failed_type1,
8789 rtl_check_failed_type2, rtvec_check_failed_bounds): New
8791 (fancy_abort): Fix comment.
8793 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
8794 (cse_insn): Decrement LABEL_NUSES for jump target before
8796 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
8797 * final.c (alter_subreg): Compute regno before changing x to
8798 REG; set REGNO(x) after changing it.
8799 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
8800 notes containing CONST_INTs.
8801 (delete_eh_regions): Use NOTE_EH_HANDLER.
8802 * function.c (put_reg_into_stack): Make reg a MEM before
8804 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
8806 (gen_mem_addressof): Make reg a MEM before initializing it.
8807 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
8809 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
8810 deleting an insn, not after.
8811 (block_alloc): Only look at PATTERN(insn) if we have to, and
8812 only if it's format class 'i'.
8813 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
8814 CONST_INT before using its INTVAL.
8815 * print-rtl.c (print_rtx): Use X0STR.
8816 * regmove.c (fixup_match_1): Don't look at PATTERN of
8817 non-class-'i' insn chain elements.
8818 * reload.c (loc_mentioned_in_p): Take address of
8819 in->fld[1].rtx directly.
8820 * reload1.c (reload): Change reg to a MEM before initializing
8822 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
8824 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
8826 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
8828 * config/mips/mips.c (machine_dependent_reorg): Force a
8829 barrier to output the local constant pool if a barrier hasn't
8830 been found at a natural point in the instruction stream.
8832 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8834 * c-parse.in (language_string): Constify.
8836 * dwarf2out.c (language_string): Remove declaration.
8838 * dwarfout.c (language_string): Likewise.
8840 * toplev.c (language_string, init_parse, finish_parse): Likewise.
8842 * tree.h (language_string, init_parse, finish_parse): Declare.
8844 * i386/sun386.h (language_string): Remove declaration.
8846 * mips.h (language_string): Likewise.
8848 * nextstep.h (language_string): Likewise.
8850 * nextstep21.h (language_string): Likewise.
8852 * rs6000.c (language_string): Likewise.
8854 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8856 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
8857 (getpwd.o): Remove target.
8859 * getpwd.c: Delete file. Its in libiberty now.
8861 * dbxout.c (getpwd): Don't prototype.
8862 * dwarf2out.c (getpwd): Likewise
8863 * dwarfout.c (getpwd): Likewise
8864 * final.c (getpwd): Likewise.
8865 * protoize.c (getpwd): Likewise.
8867 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8869 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
8871 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8873 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
8876 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
8878 * fixinc/Makefile.in (subdir): New.
8879 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
8882 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
8884 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
8885 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
8888 * invoke.texi: Fix typo.
8890 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
8891 changed. Handle autoincrement addressing modes.
8893 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
8894 just like we would the virtual incoming args register when
8897 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
8899 * rs6000.h (ASM_FILE_START): Specify complete filename, including
8900 path, in .file directive.
8902 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
8904 * gcc.texi (External Bugs): Remove obsolete note about Perl on
8907 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
8909 * stdbool.h: Make the typedef name _Bool, with bool a #defined
8912 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8914 * tree.c (tree_code_name): Constify a char*.
8916 * tree.h (tree_code_name, decl_printable_name): Likewise.
8918 * function.h (struct function): Likewise.
8920 * toplev.c (decl_name, decl_printable_name): Likewise.
8922 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
8924 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
8925 (init_objc): Remove function pointer cast.
8927 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8929 * pa.md (interspace_jump): New pattern.
8930 (builtin_longjmp): New expander.
8932 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
8934 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
8935 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
8936 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
8938 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
8940 * jump.c (delete_prior_computation): Also check calls
8941 to constant functions. Don't bother checking for a
8942 REG_UNUSED note before adding it.
8943 (delete_computation): Handle multi-word hard registers
8944 when synthesizing missing REG_DEAD notes for a register
8945 which is both set and used by an insn.
8947 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8949 * loop.c (this_loop_info): New variable.
8950 (loop_has_call, loop_has_volatile, loop_has_tablejump,
8951 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
8953 (prescan_loop, strength_reduce): New argument loop_info. All callers
8955 (scan_loop): New variable loop_info, initialise to address of
8957 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8958 Delete variable loop_has_multiple_exit targets and replace with
8959 field in this_loop_info.
8960 (find_and_verify_loops): Rename this_loop to this_loop_num.
8961 (strength_reduce): Delete loop_iteration_info. Replace variable
8962 loop_info with function argument of same name.
8963 (insert_bct): Rework test for loop being completely unrolled.
8965 * loop.h (struct loop_info): New fields num, loops_enclosed,
8966 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8967 has_indirect_jump, and cont. Redefine use of unroll_number.
8968 (loop_unroll_number): Delete.
8970 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8972 (loop_iterations): Delete variable vtop and instead use
8973 loop_info->vtop computed in prescan_loop.
8975 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8977 * fix-header.c (main): Do not pass a null pointer to strcmp.
8979 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8981 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8983 * configure: Rebuilt.
8985 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8987 * jump.c (jump_optimize_1): Do not delete assignments to
8988 internal_arg_pointer.
8989 * cse.c (delete_trivially_dead_insns): Always consider a set of
8990 the internal_arg_pointer live.
8992 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8994 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
8995 (update_life_info) [REG_WAS_0]: Search the original insns rather
8996 than the new insns for the note. Fix typos finding note_dest.
8997 If no dest found, discard the note rather than abort.
8998 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
8999 (replace_insns): Remove the old insn list after update_life_info
9002 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9004 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9006 (sched_analyze_1): Let add_dependence care for not adding dups.
9007 (sched_analyze_2): Likewise.
9008 (add_branch_dependences): Likewise.
9010 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9012 * i386/winnt.c (export_list): New type.
9013 (exports_head): Rename to
9014 (export_head): this.
9015 (i386_pe_record_exported_symbol): Add is_data flag.
9016 (i386_pe_asm_file_end): Emit directive for exported variables.
9017 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9019 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9020 (ASM_DECLARE_OBJECT_NAME): Likewise.
9021 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9022 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9024 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9026 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9028 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9031 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9033 * config/openbsd.h: Define SET_ASM_OP.
9034 * tm.texi: cross-reference SET_ASM_OP in the index.
9036 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9038 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9039 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9040 and class_narrowest_mode at compile time. Kill init_rtl.
9041 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9042 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9043 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9045 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9047 * rtl.h: Declare rtx_length and rtx_format as const.
9048 * machmode.def: Define CC(). Use CC() to define CCmode. If
9049 EXTRA_CC_MODES is defined, expand it here.
9050 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9051 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9052 const. Kill all references to EXTRA_CC_MODES.
9054 * toplev.c: Don't prototype or call init_rtl.
9055 * optabs.c: Don't call init_mov_optab.
9056 * genemit.c: Don't generate init_mov_optab. Don't call
9058 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9060 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9061 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9062 genrecog.c: Don't call init_rtl.
9064 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9065 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9066 definition of EXTRA_CC_MODES.
9068 * md.texi: Kill ref to EXTRA_CC_NAMES.
9069 * tm.texi: Document new way to define EXTRA_CC_MODES.
9071 * genrecog.c: Do not look up the name of a define_split.
9074 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9076 * config/v850/v850.md: Fix typo introduced by previous delta.
9078 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9080 * gcc.c (fatal): Make definition static to match prototype.
9082 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9084 * combine.c (get_last_value): Don't look for earlier sets if the last
9085 known set is somewhere in between the insns being combined.
9087 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9089 * configure.in: Don't use shell ! to negate exit codes
9090 * configure: Regenerate
9092 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9094 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9095 the fact that ALIGN is measured in bits, not bytes.
9097 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9099 * errors.c: New file; defines functions error, warning, and
9100 fatal, variables have_error and progname.
9101 * errors.h: New file; prototypes and decls for stuff in errors.c.
9103 * Makefile: Add rules to build errors.o and
9104 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9105 genopinit, genrecog, genextract, genpeep, genattr, and
9106 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9107 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9108 genpeep.o, genattr.o, and genoutput.o.
9110 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9111 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9112 define or prototype fatal. Set progname at beginning of main.
9113 * genoutput.c: Likewise, and don't define or prototype error
9116 * c-typeck.c (c_expand_start_case): Return immediately if exp
9118 * fold-const.c (operand_equal_p): Return immediately if arg1
9119 or arg0 are ERROR_MARKs.
9120 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9121 fields of type ERROR_MARK when calculating if the record can
9124 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9125 with much help from Jeffrey A Law and Richard Henderson
9127 * i386.md: In the 6 insns which call output_fix_trunc,
9128 earlyclobber operands[0].
9130 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9132 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9133 creating new registers.
9135 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9137 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9138 i386_reg_alloc_order, i386_regparm_string,
9139 i386_align_loops_string, i386_align_jumps_string,
9140 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9141 and i386_branch_cost_string as type "const char *".
9142 * i386.c: Define all above strings as type "const char *".
9144 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9146 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9147 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9149 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9151 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9152 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9154 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9156 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9157 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9158 (dwarf2out_line, dwarf2out_finish): Likewise.
9159 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9161 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9163 * tree.c (lang_unsave_expr_now) : Correct return type.
9164 * tree.h (lang_unsave_expr_now) : Same.
9166 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9168 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9169 instead of duplicating code.
9171 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9173 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9175 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9177 * tree.h: fancy_abort always takes three args.
9178 * resource.c: Move include of system.h before toplev.h.
9180 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9182 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9185 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9187 * system.h: Don't redefine abort or trim_filename.
9188 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9189 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9190 whether or not __FUNCTION__ is available.
9191 * tree.h: Duplicate rtl.h's definition of abort, for files
9192 that don't include rtl.h. Delete all code to perform type
9193 checking with a compiler other than GCC.
9194 * varray.h: Delete all code to perform type checking with a
9195 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9196 its arguments exactly once, using a statement expression.
9197 Adjust the VARRAY_<type> accessor macros to match.
9198 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9199 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9200 caller's location. Define fatal_insn and fatal_insn_not_found
9201 as macros that use _fatal_insn and _fatal_insn_not_found.
9202 (fancy_abort, trim_filename): Kill prototypes.
9204 * rtl.c (trim_filename): Move here from toplev.c.
9205 (fancy_abort): New function.
9206 (DIR_SEPARATOR): Provide default definition.
9207 * tree.c (tree_check_failed, tree_class_check_failed): Go
9208 through fancy_abort.
9209 (tree_check, tree_class_check, cst_or_constructor_check,
9210 expr_check): Delete.
9211 * varray.c (varray_check_failed): New function.
9212 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9213 _fatal_insn and _fatal_insn_not_found. Go through
9215 (trim_filename, fancy_abort): Delete.
9217 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9218 * except.c (start_catch_handler): Report ICE with error/abort
9220 * final.c (output_operand_lossage): Likewise.
9221 * flow.c (verify_flow_info): Likewise.
9223 * gcc.c: Prototype fatal.
9224 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9225 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9226 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9227 Don't define fancy_abort.
9229 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
9231 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
9234 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
9236 * m88k.h (VERSION_INFO2): Kill.
9237 (VERSION_STRING): Kill.
9239 (VERSION_INFO1): Tidy.
9240 (TARGET_VERSION): Update.
9241 * m88k/dgux.h (VERSION_INFO2): Kill.
9242 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
9243 * m88k/luna.h (VERSION_INFO1): Tidy.
9244 * m88k/sysv4.h (VERSION_INFO1): Likewise.
9245 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
9246 (output_file_start): Adjust for death of VERSION_STRING.
9248 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
9250 * cpplib.c (detect_if_not_defined): New function.
9251 (do_if): Use it to detect potential once-only headers.
9253 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
9255 * c-common.c (combine_strings): Always set TREE_CONSTANT.
9257 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9259 * combine.c (nonzero_bits) : Allow single-ly set registers to be
9260 anywere in the function only if they are pseudos and set before
9261 being used (not live at the start of the function).
9262 (num_sign_bit_copies) : Same.
9263 (get_last_value_validate) : Same.
9264 (get_last_value) : Same.
9266 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
9268 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
9269 where N and M are constant and N is an integer multiple of M.
9271 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9273 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
9274 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9275 sbitmap_union_of_preds): Add prototypes.
9276 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
9277 the intersection of successors with the new flow graph structures.
9278 (sbitmap_intersection_of_preds): New function to compute the
9279 intersection of predecessors with the new flow graph structures.
9280 (sbitmap_union_of_succs): New function to compute the union of
9281 successors with the new flow graph structures.
9282 (sbitmap_union_of_preds): New function to compute the union of
9283 predecessors with the new flow graph structures.
9284 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
9285 (expr_reaches_here_p): Use edge and basic_block structures instead
9286 of s_preds and s_succs.
9287 (compute_cprop_avinout): Use new sbitmap routines.
9288 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
9289 of s_preds and s_succs.
9290 * flow.c (compute_flow_dominators): Compute dominators using
9291 edges and basic blocks instead of s_preds and s_succs.
9293 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9295 * lists.c (unused_insn_list, unused_expr_list): New file for
9296 maintaining various types of lists. New statics for maintaining a
9297 cache of available INSN_LIST and EXPR_LIST nodes.
9298 (free_list): Static function for freeing a list of INSN/EXPR nodes.
9299 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
9300 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
9301 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
9302 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
9303 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
9304 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
9305 (free_INSN_LIST_node): Free an individual INSN_LIST node.
9306 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
9307 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
9308 (remove_dependence, free_pending_lists): Use new global routines.
9309 (flush_pending_lists, sched_analyze_insn): Use new global routines.
9310 (sched_analyze, compute_block_backward_dependences): Use new routines.
9311 (sched_analyze_1, sched_analyze_2): Use new routines.
9312 (schedule_insns): Use new global routines.
9313 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
9315 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
9316 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
9318 * toplev.c (rest_of_compilation): Initialize node cache.
9319 * Makefile.in (OBJS): Add lists.o to list of object files.
9320 (lists.o): Add dependancies.
9322 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
9324 * config/v850/v850.md: Fix compile time warning messages.
9325 * config/v850/v850.c: Fix compile time warning messages.
9326 * config/v850/v850.h: Fix compile time warning messages.
9328 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9330 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
9331 Remove unused prototype for `init_lengths'.
9333 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9335 * calls.c (emit_call_1): Mark parameter `stack_size' with
9337 (expand_call): Initialize variable `insn'.
9338 (emit_library_call): Likewise for variable `high_to_save'.
9339 (emit_library_call_value): Likewise.
9340 (store_one_arg): Likewise for variables `lower_bound' and
9343 * combine.c (try_combine): Likewise for variables `i2_code_number'
9344 and `other_code_number'.
9345 (find_split_point): Likewise for variables `pos', `unsignedp' and
9347 (simplify_if_then_else): Likewise for variables `op' and `c1'.
9348 (simplify_and_const_int): Remove unused variable `width'.
9349 (merge_outer_ops): Likewise.
9351 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
9352 HOST_WIDE_INT' when comparing against one.
9353 (simplify_relational_operation): Likewise.
9354 (cse_insn): Initialize variables `src_eqv_volatile',
9355 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
9357 * final.c (init_final): Constify parameter `filename'.
9358 (final_start_function): Mark parameter `optimize' with
9360 (profile_function): Likewise for parameters `first' and `optimize'.
9361 (output_source_line): Likewise for parameter `file'.
9363 * integrate.c (subst_constants): Cast a value to `size_t' when
9364 comparing against one.
9365 (mark_stores): Initialize variable `mode'. Cast a value to
9366 `size_t' when comparing against one.
9368 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
9370 * loop.c (move_movables): Initialize variable `first'.
9371 (strength_reduce): Likewise for variable `increment'.
9372 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
9373 value to `size_t' when comparing against one.
9374 (load_mems): Initialize variable `end_label'.
9376 * output.h (init_final): Constify parameter.
9378 * reload.c (decompose): Initialize variable `base'.
9380 * reload1.c (reload): Likewise for variable `is_scalar'.
9381 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
9382 (choose_reload_regs): Initialize variable `mode'.
9383 (emit_reload_insns): Likewise for variable `store_insn'.
9384 (reload_cse_noop_set_p): Mark parameter `insn' with
9386 (reload_combine): Initialize variable `set'.
9388 * unroll.c (unroll_loop): Likewise for variable `local_label'.
9389 (copy_loop_body): Cast a value to `size_t' when comparing against
9392 * varasm.c (assemble_variable): Initialize variable `size_tree'.
9393 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
9394 (remove_from_pending_weak_list): Mark parameter `name' with
9397 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9399 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
9402 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
9404 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
9405 (ASM_DECLARE_FUNCTION_NAME): Define.
9406 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
9407 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
9408 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
9409 not already defined.
9411 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9413 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
9414 of n_popped when call/call_value are not defined.
9416 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
9418 * tm.texi: GNU CC -> GCC conversion.
9419 (CC1_SPEC): Indicate it is used for all language front ends.
9421 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
9423 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
9424 NOTE_INSN_EH_REGION_END correctly.
9426 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9427 Jeff Law <law@cygnus.com>
9429 * loop.c (strength_reduce): Automatically unroll loops if the
9430 unrolled loop size is smaller than the rolled loop size.
9432 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
9433 and delete comment that code should be rewritten.
9435 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
9437 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
9440 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
9442 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9444 * fixinc/mkfixinc.sh: Don't fix uwin headers.
9445 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
9446 (LINK_SPEC): Add -u _main when building executables.
9447 (ASM_DECLARE_FUNCTION): Update from Cygwin.
9448 (ASM_FILE_END): Use the default for ix86-pe.
9449 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
9451 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
9453 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
9454 and ASM_CLOSE_PAREN are empty strings.
9456 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
9457 Geoffrey Keating <geoffk@cygnus.com>
9459 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
9460 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
9461 (unprotoize.o): Ditto.
9462 (test-protoize-simple): Don't define STD_PROTO_DIR.
9463 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
9464 changes to make 'test-protoize-simple' pass.
9465 (STD_PROTO_DIR): Remove define.
9466 (STANDARD_EXEC_PREFIX): Supply default define.
9467 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
9468 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
9469 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
9470 (GET_ENV_PATH_LIST): New macro.
9471 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
9472 (do_processing): Initialize default_syscalls_dir using new
9473 macros. Use it to initialize syscalls_absolute_filename.
9475 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
9477 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
9478 B into a register before emit_conditional_move.
9480 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
9482 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
9483 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
9484 multiplicand out of (+ (* a b) (* c d)).
9486 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
9487 Richard Henderson <rth@cygnus.com>
9489 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
9490 (new_insn_dead_notes): Likewise.
9491 (update_n_sets): Likewise.
9492 (update_flow_info): Move to flow.c, renamed to update_life_info;
9493 extend to handle multiple source insns.
9494 * flow.c: Include resource.h
9495 (unlink_insn_chain): New.
9496 (split_hard_reg_notes): New.
9497 (maybe_add_dead_note): New.
9498 (maybe_add_dead_note_use): New.
9499 (find_insn_with_note): New.
9500 (new_insn_dead_notes): New.
9501 (update_n_sets): New.
9502 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
9503 (maybe_remove_dead_notes): New.
9504 (update_life_info): New.
9505 (prepend_reg_notes): New.
9506 (replace_insns): New.
9507 * output.h (update_life_info): Declare.
9508 * recog.c (split_block_insns): Use update_life_info.
9509 * resource.c (find_free_register): Use reg_alloc_order, don't use
9510 fixed regs, make sure the mode is supported, don't use new regs.
9512 * rtl.h (replace_insns): Declare.
9514 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
9516 * expr.c (expand_expr): Cope with COND_EXPRs with one
9517 non-returning branch.
9519 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
9521 * expr.c (store_expr): Always pass down the target, even when not
9524 1999-08-24 Nick Clifton <nickc@cygnus.com>
9526 * configure.in: Define target_cpu_default for v850 targets.
9527 * configure: Regenerate
9529 * config/v850/v850.h (TARGET_CPU_generic): Define.
9530 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
9531 addresses are 4 byte aligned.
9533 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
9536 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9538 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
9539 (main): Add prototypes.
9541 * genattrtab.c (substitute_address, write_const_num_delay_slots,
9542 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9543 (write_attr_get): Emit prototypes along with function definition.
9544 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9545 (write_complex_function): Emit static prototype along with
9546 function definition.
9548 * genemit.c (gen_split): Emit prototypes along with function
9551 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9552 Likewise for predicates and `insn_operand_predicate'.
9553 (process_template): Emit static prototype along with function
9556 * genrecog.c (make_insn_sequence): Constify a char*. Add
9557 prototypes for get_split_*().
9558 (write_subroutine): Emit prototypes along with function
9561 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9563 * gcse.c (find_avail_set): Follow chains of register-register copies.
9564 Use oprs_not_set_p to guarantee that the returned value can be
9566 (cprop_insn): Don't verify the return value of find_avail_set with
9569 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
9570 (cprop_cc0_jump): New function.
9571 (cprop_insn): Break out new function cprop_jump and use it.
9572 Also use cprop_cc0_jump for machines with CC0.
9573 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
9575 * tree.h (current_function_calls_setjmp,
9576 current_function_calls_longjmp): Delete declarations.
9577 * dsp16xx.c: Include "function.h".
9578 * elxsi.c: Likewise.
9579 * gmicro.c: Likewise.
9580 * h8300.c: Likewise.
9583 * mn10200.c: Likewise.
9584 * mn10300.c: Likewise.
9585 * ns32k.c: Likewise.
9589 * rtl.h (rtx_equal_function_value_matters): Declare.
9590 * toplev.c (rtx_equal_function_value_matters): Don't declare.
9592 * function.c: Likewise.
9593 * emit-rtl.c: Likewise.
9595 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
9597 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
9600 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9602 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
9605 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
9607 * cpp.texi: Add a node documenting macro varargs (copied
9610 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
9612 * cppspec.c: Put a null pointer at the end of the new argv.
9614 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
9616 * configure.in: Remove code to select/de-select the haifa
9617 scheduler. Every scheduled port gets haifa now.
9618 * configure: Rebuilt.
9619 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
9621 * Makefile.in: Corresponding changes.
9623 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9625 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
9626 All callers changed.
9627 (prepare_float_lib_cmp): Likewise.
9628 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
9629 * expr.h (emit_float_lib_cmp): Delete declaration.
9630 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
9631 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
9632 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
9634 (cmptf): Now conditional on TARGET_HARD_QUAD.
9636 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
9638 * resource.c (mark_target_live_regs): Use
9639 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
9641 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9643 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
9645 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
9647 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
9649 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9651 * rtl.h (rtx_format): Constify a char*.
9653 * rtl.c (rtx_format): Likewise.
9654 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
9655 (init_rtl): Use accessor macro, not `rtx_format'.
9657 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
9660 * caller-save.c (mark_referenced_regs): Likewise.
9662 * combine.c (subst, make_compound_operation, known_cond,
9663 gen_rtx_combine, update_table_tick, get_last_value_validate,
9664 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
9666 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
9667 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
9668 count_reg_usage): Likewise.
9670 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
9673 * final.c (leaf_renumber_regs_insn): Likewise.
9675 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
9676 dump_edge_info, count_reg_references): Likewise.
9678 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
9679 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
9682 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
9683 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
9684 add_label_notes): Likewise.
9686 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
9687 clear_struct_flag, count_sub_rtxs, count_alternatives,
9688 compares_alternatives_p, contained_in_p, walk_attr_value,
9689 write_expr_attr_cache): Likewise.
9691 * genconfig.c (walk_insn_part): Likewise.
9693 * genemit.c (max_operand_1, gen_exp): Likewise.
9695 * genextract.c (walk_rtx): Likewise.
9697 * genflags.c (num_operands): Likewise.
9699 * genoutput.c (scan_operands): Likewise.
9701 * genpeep.c (match_rtx): Likewise.
9703 * genrecog.c (add_to_sequence): Likewise.
9705 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
9708 * integrate.c (save_constants, copy_for_inline,
9709 copy_rtx_and_substitute, subst_constants, restore_constants):
9712 * jump.c (mark_jump_label, invert_exp, redirect_exp,
9713 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
9715 * local-alloc.c (contains_replace_regs, memref_referenced_p):
9718 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
9719 add_label_notes, replace_call_address, count_nonfixed_reads,
9720 invariant_p, find_single_use_in_loop, find_mem_givs,
9721 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
9724 * print-rtl.c (reg_names, print_rtx): Likewise.
9726 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
9728 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
9729 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
9730 print_blocks): Likewise.
9732 * regclass.c (fix_register, record_address_regs,
9733 reg_scan_mark_refs): Likewise.
9735 * regmove.c (stable_but_for_p): Likewise.
9737 * reload.c (loc_mentioned_in_p, operands_match_p,
9738 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
9739 copy_replacements, refers_to_regno_for_reload_p,
9740 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
9741 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
9744 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
9745 delete_address_reloads_1, count_occurrences,
9746 reload_cse_mem_conflict_p, reload_combine_note_use,
9747 add_auto_inc_notes): Likewise.
9749 * resource.c (mark_referenced_resources, mark_set_resources):
9752 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
9753 reg_mentioned_p, regs_set_between_p, modified_between_p,
9754 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
9755 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
9756 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
9757 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
9759 * sched.c (sched_analyze_2, attach_deaths): Likewise.
9761 * stupid.c (stupid_mark_refs): Likewise.
9763 * unroll.c (remap_split_bivs): Likewise.
9765 * varasm.c (mark_constants): Likewise.
9767 * a29k/a29k.c (uses_local_reg_p): Likewise.
9769 * alpha/alpha.c (summarize_insn): Likewise.
9771 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
9772 eliminate_lr2ip): Likewise.
9774 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
9776 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
9777 reg_mentioned_in_mem): Likewise.
9779 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
9780 symbolic_reference_mentioned_p): Likewise.
9782 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
9784 * sh/sh.c (regs_used, mark_use): Likewise.
9786 * vax/vax.c (vax_rtx_cost): Likewise.
9788 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9790 * machmode.h (mode_name): Constify a char*.
9792 * rtl.c (mode_name): Likewise.
9794 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
9796 * optabs.c (init_libfuncs): Constify a char*.
9798 * print-tree.c (mode_name): Remove redundant declaration.
9799 (print_node): Use accessor macro, not `mode_name'.
9801 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
9803 (new_spill_reg): Constify a char*.
9805 * tree.c (mode_name): Remove redundant declaration.
9807 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9809 * rtl.c (rtx_name): Constify a char*.
9811 * rtl.h (rtx_name, fix_sched_param): Likewise.
9813 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
9814 (mypr): Use accessor macro, not `rtx_name'.
9816 * genemit.c (print_code): Constify a char*.
9818 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
9820 * genpeep.c (print_code): Constify a char*.
9822 * genrecog.c (print_code): Likewise.
9824 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
9825 end_bb): Add static prototype.
9826 (draw_edge): Constify a char*.
9827 (end_bb): Remove unused parameter.
9829 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
9830 print_block_visualization): Constify a char*.
9832 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
9834 * c-common.c (c_get_alias_set): Update comment.
9836 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9838 * linux.h (LIB_SPEC): Added.
9840 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9842 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
9844 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
9846 * tree.c (expr_check): Fix typo in last change.
9848 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
9850 * rtl.def (NOTE): Change format to "iuu0n".
9851 (ADDR_DIFF_VEC): Change format to "eEee0".
9852 (ADDRESSOF): Change format to "eit".
9854 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
9855 (RTVEC_ELT): Change to match.
9856 (XVECEXP): Use XVEC and RTVEC_ELT.
9857 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
9858 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
9859 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
9860 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
9861 TRAP_CONDITION, TRAP_CODE): Use XEXP.
9862 (INTVAL): Use XWINT.
9863 (ADDRESSOF_DECL): Use XTREE.
9864 (SET_ADDRESSOF_DECL): Delete.
9865 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
9866 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
9867 ifdefed out since 2.6 at least.
9868 (gen_rtvec_vv): Delete prototype.
9870 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
9872 (copy_most_rtx): Handle 't' format letter.
9873 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
9874 (gen_rtvec_vv): Delete function. All callers changed to use
9875 gen_rtvec_v instead.
9876 * print-rtl.c (print_rtx): Move special casing of NOTEs to
9877 the '0' format letter.
9879 * function.c (gen_mem_addressof): Don't use
9880 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
9882 * integrate.c (copy_rtx_and_substitute): Likewise.
9883 Copy 't' slots with XTREE.
9884 (subst_constants): Treat 't' slots like '[swi]' slots.
9885 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
9886 * jump.c (rtx_equal_for_thread_p): Likewise.
9887 * rtlanal.c (rtx_equal_p): Likewise.
9888 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
9889 only four arguments.
9890 * gengenrtl.c (type_from_format): Provide correct types for
9894 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
9895 If a recent gcc is in use (always in stage2 and beyond), use
9896 statement expressions, so we don't make a function call unless
9897 the check fails. Evaluate arguments exactly once.
9898 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
9899 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
9901 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
9902 they evaluate their arguments exactly once, irrespective of
9903 the compiler in use.
9905 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
9906 is used by the currently-enabled check macros. This is:
9907 (tree_check_failed, tree_class_check_failed): For gcc.
9908 (tree_check, tree_class_check, cst_or_constructor_check,
9909 expr_check): For other compilers.
9911 * gencheck.c: Do not define any *_CHECK1 macros.
9913 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
9914 Mark Mitchell <mark@codesourcery.com>
9916 * c-common.c (c_get_alias_set): Fix support for poitners and
9919 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
9921 * alias.c: Include tree.h.
9922 (nonlocal_reference_p, mark_constant_function): New functions.
9923 * flow.c (life_analysis): Call mark_constant_function.
9924 * rtl.h (mark_constant_function): Declare it.
9926 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
9928 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
9929 unrecognisable switches.
9931 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9933 * loop.c (recombine_givs): Set ix field after sorting.
9934 (recombine_givs): Remove bogus index / giv lockstep looping.
9936 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9938 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
9940 (emit_store_flag_force): Use do_compare_rtx_and_jump.
9941 (do_cmp_and_jump): Formatting fixes.
9942 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
9943 do_compare_rtx_and_jump instead of compare_from_rtx.
9944 (do_compare_rtx_and_jump): New function; mostly copied from
9946 (do_jump_for_compare): Delete.
9947 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
9949 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
9950 of compare/do_jump_for_compare pairs.
9951 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
9952 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
9953 compare_from_rtx/do_jump_for_compare pairs.
9954 (do_jump_by_parts_equality): Likewise.
9955 (do_jump_by_parts_equality_rtx): Likewise.
9956 * expr.h (do_compare_rtx_and_jump): Declare.
9957 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9958 that used to be in emit_cmp_insn.
9959 (cmp_available_p): New function.
9960 (prepare_operand): New function.
9961 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9962 to be in emit_cmp_insn.
9963 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9964 parameters to be pointers; don't emit final compare but modify some of
9965 the values pointed to by the args so the caller can perform the
9967 (expand_binop): Call emit_store_flag_force with signed forms of
9969 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9970 emit_jump_insn pair.
9971 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9972 emit_cmp_and_jump_insn_1. Call emit_queue.
9973 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9975 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9976 jump sets cc0 before deleting it.
9977 * integrate.c (expand_inline_function): Likewise.
9978 * unroll.c (unroll_loop): Similar changes in several places.
9979 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9982 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9984 * Makefile.in (insn-recog.o): Update dependencies.
9985 * genrecog.c (main): Make generated file include "function.h".
9987 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9989 * cse.c (cse_insn): Call never_reached_warning when a jump is
9990 changed to be unconditional.
9991 * flags.h: Declare warn_notreached.
9992 * flow.c (delete_block): Call never_reached_warning when
9994 * jump.c (delete_barrier_successors): Call never_reached_warning
9995 when we delete everything after a BARRIER.
9996 (never_reached_warning): New function.
9997 * rtl.h: Declare never_reached_warning.
9998 * toplev.c (warn_notreached): New variable.
9999 (lang_independent_options): Set warn_notreached
10000 when -Wunreachable-code.
10001 (compile_file): We need line numbers for -Wunreachable-code.
10003 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10005 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10006 * sched.c (insn_unit): Likewise.
10008 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10010 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10012 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10014 * flow.c (create_edge_list): Use xmalloc, not malloc.
10016 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10018 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10019 C-style comments. Do not lose the character before double slash.
10021 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10023 * basic-block.h (struct edge_list): Stucture to maintain a vector
10025 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10026 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10027 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10028 New function prototypes.
10029 * flow.c (create_edge_list): Function to create an edge list.
10030 (free_edge_list): Discards memory used by an edge list.
10031 (print_edge_list): Debug output showing an edge list.
10032 (verify_edge_list): Internal consistency check for an edge list.
10033 (find_edge_index): Function to find an edge index for a pred and succ.
10035 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10037 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10040 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10042 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10044 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10046 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10048 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10050 * toplev.c (rest_of_compilation): Allow machine dependent
10051 reorganisation pass to place information into the RTL dump
10052 file if it so wishes.
10054 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10056 * explow.c (hard_function_value): Use VOIDmode instead of
10058 * stmt.c (expand_return): Likewise.
10059 * stor-layout.c (get_best_mode): Likewise.
10061 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10062 emit call instead of emit_insn call.
10064 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10066 * configure.in: Handle --disable/enable-win32-registry.
10067 * install.texi: Document --disable/enable-win32-registry.
10068 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10069 (WIN32_REGISTRY_KEY): New macro.
10070 * prefix.c: Use to enable/disable win32-specific code.
10071 (lookup_key): Use versioned key.
10072 * configure: Regenerate.
10073 * config.in: Likewise.
10075 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10077 * cpplib.c (read_line_number): New fn, split out of...
10080 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10082 tree.c (lang_unsave_expr_now) : New.
10083 (unsave_expr_now): Call lang_unsave_expr_now.
10084 tree.h (lang_unsave_expr_now) : New.
10086 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10088 * toplev.c (flag_new_exceptions): On by default.
10090 1999-08-13 Michael Meissner <meissner@cygnus.com>
10092 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10094 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10096 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10097 INTEGER_TYPE with precision==1, it's __java_boolean.
10099 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10101 * global.c (prune_preferences): Move some invariants out of the
10104 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10106 * configure.in (alpha*-dec-osf*): Add osf5.
10108 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10110 * configure.in: Rework handling of ARM GNU/Linux slightly.
10111 (arm*-*-linux-gnuoldld): New target.
10112 * configure: Regenerate.
10113 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10114 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10115 * config/arm/linux-oldld.h: New file.
10116 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10117 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10119 * config/arm/linux-elf.h (ASM_SPEC): Define.
10120 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10121 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10122 for 26-bit APCS and old linker.
10123 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10125 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10126 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10127 don't define `arm' or `arm_elf'.
10128 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10129 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10131 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10133 * rtl.texi: Fix typo.
10135 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10137 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10139 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10141 * extend.texi (C++ Signatures): Remove node.
10142 * invoke.texi: Remove discussion of -fhandle-signatures,
10143 signature, sigof, __signature__, and __sigof__.
10145 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10147 * Makefile.in (JAVAGC): Removed.
10149 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10151 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10153 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10155 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10157 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10159 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10160 a register that is already known to be a pointer.
10162 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10164 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10165 * fixinc/inclhack.sh: Regenerated.
10166 * fixinc/fixincl.sh: Regenerated.
10168 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10170 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10171 Fix documentation of -ansi flag to describe its C++ behavior.
10172 Remove bogus reference to GCC 2.9.
10174 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10176 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10177 note if it is non-NULL.
10179 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10181 * except.h (eh_nesting_info): Add new structure defintion.
10182 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10183 (reachable_handlers, update_rethrow_references): Add function
10185 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10186 a rethrow symbol instead of an integer exception region number.
10187 * flow.c (Make_edges): Use new exception nesting routines to determine
10188 which handlers are reachable from a CALL or asynchronous insn.
10189 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10191 (delete_eh_regions): Update rethrow labels, and don't delete
10192 regions which are the target of a rethrow.
10193 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10194 avoid overloading the SYMBOL_REF_USED flag.
10195 (rethrow_symbol_map): Use new rethrow_ref field.
10196 (rethrow_used): Use new rethrow_ref field.
10197 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10198 of an integer. Fix formatting.
10199 (output_exception_table_entry): Use new rethrow_ref field.
10200 (can_throw): Check for EH_REGION_NOTE before deciding
10201 whether a CALL can throw or not.
10202 (scan_region): Call rethrow_used() instead of accessing data structure.
10203 (update_rethrow_references): New function to make sure only regions
10204 which are still targets of a rethrow are flagged as such.
10205 (process_nestinfo): New static function to initialize a handler
10206 list for a specific region.
10207 (init_eh_nesting_info): New function to allocate and initialize
10208 the list of all EH handlers reachable from all regions.
10209 (reachable_handlers): New function to retrieve the list of handlers
10210 reachable from a specific region and insn.
10211 (free_eh_nesting_info): New function to dispose of a list of
10212 reachable handlers.
10214 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10216 * flow.c (split_edge): Set JUMP_LABEL field.
10217 (commit_one_edge_insertion): Set head correctly for insert_before.
10218 When inserting insns, update insn block numbers if allocated.
10220 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10222 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10223 retry_incomplete_types): Add static prototype.
10224 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10225 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10226 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10227 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
10228 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
10231 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
10232 dwarf2out_start_source_file, dwarf2out_line): Likewise.
10234 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * output.h (assemble_name): Constify a char*.
10238 * varasm.c (UNIQUE_SECTION, assemble_start_function,
10239 assemble_variable, assemble_name): Likewise.
10241 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
10243 * arm/pe.c (arm_pe_unique_section): Likewise.
10245 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
10247 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
10249 * i386/interix.c (i386_pe_unique_section): Likewise.
10251 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
10253 * i386/winnt.c (i386_pe_unique_section): Likewise.
10255 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
10257 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
10259 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
10261 * pa/pa.c (output_call): Likewise.
10263 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
10265 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
10267 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
10270 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
10273 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
10275 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
10276 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
10278 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
10280 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10282 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
10284 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10286 * tree.h (lang_identify): Constify a char*.
10287 (print_error_function): Add extern prototype. Constify a char*.
10289 * c-lang.c (lang_identify): Constify a char*.
10291 * objc/objc-act.c (lang_identify): Constify a char*.
10293 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10295 * genpeep.c (main): Make generated file include "function.h".
10296 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
10298 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10300 * Makefile.in: Update dependencies.
10301 * alias.c: Include "function.h"
10302 * c-decl.c: Likewise.
10303 * caller-save.c: Likewise.
10304 * calls.c: Likewise.
10305 * combine.c: Likewise.
10307 * explow.c: Likewise.
10308 * final.c: Likewise.
10309 * global.c: Likewise.
10310 * graph.c: Likewise.
10311 * local-alloc.c: Likewise.
10312 * loop.c: Likewise.
10313 * optabs.c: Likewise.
10314 * profile.c: Likewise.
10315 * recog.c: Likewise.
10316 * regclass.c: Likewise.
10317 * regmove.c: Likewise.
10318 * reload.c: Likewise.
10319 * reorg.c: Likewise.
10320 * resource.c: Likewise.
10321 * sched.c: Likewise.
10322 * stupid.c: Likewise.
10323 * config/1750a/1750a.c: Likewise.
10324 * config/a29k/a29k.c: Likewise.
10325 * config/arc/arc.c: Likewise.
10326 * config/arm/arm.c: Likewise.
10327 * config/arm/thumb.c: Likewise.
10328 * config/c4x/c4x.c: Likewise.
10329 * config/clipper/clipper.c: Likewise.
10330 * config/convex/convex.c: Likewise.
10331 * config/fx80/fx80.c: Likewise.
10332 * config/i860/i860.c: Likewise.
10333 * config/m68k/m68k.c: Likewise.
10334 * config/m88k/m88k.c: Likewise.
10335 * config/mips/mips.c: Likewise.
10336 * config/pdp11/pdp11.c: Likewise.
10337 * config/pyr/pyr.c: Likewise.
10338 * config/romp/romp.c: Likewise.
10339 * config/sh/sh.c: Likewise.
10340 * config/tahoe/tahoe.c: Likewise.
10341 * config/vax/vax.c: Likewise.
10342 * config/we32k/we32k.c: Likewise.
10343 * config/sparc/sparc.c: Include "function.h".
10344 (mem_min_alignment): Test current_function rather than
10345 regno_pointer_align.
10346 * config/pa/pa.c: Likewise.
10347 (compute_frame_size): Delete declaration of
10348 current_function_outgoing_args_size.
10349 * config/arc/arc.h (current_function_varargs): Delete declaration.
10350 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
10352 * config/i370/i370.h (current_function_outgoing_args_size): Delete
10354 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
10355 current_function_uses_pic_offset_table.
10356 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
10357 of current_function_returns_pointer.
10358 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10359 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10360 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10361 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10362 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10363 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10364 * config/m88k/m88k.c: Include "function.h"
10365 (call_used_regs, current_function_pretend_args_size,
10366 current_function_outgoing_args_size, frame_pointer_needed): Delete
10368 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
10370 * config/mips/mips.h (current_function_calls_alloca): Delete
10372 * config/mn10200/mn10200.h (current_function_needs_context,
10373 rtx_equal_function_value_matters): Delete declarations.
10374 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
10375 flag_pic): Delete declarations.
10376 * config/pa/pa.h (current_function_pretend_args_size,
10377 current_function_decl): Delete declarations.
10378 * config/pa/som.h (current_function_varargs): Delete declaration.
10379 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
10381 * config/pyr/pyr.h (current_function_pretend_args_size,
10382 current_function_args_size, current_function_calls_alloca): Delete
10384 * config/sh/sh.h (current_function_varargs): Delete declaration.
10385 * config/sparc/sparc.h (current_function_outgoing_args_size,
10386 current_function_calls_alloca, current_function_decl): Delete
10388 * config/spur/spur.h (current_function_pretend_args_size,
10389 current_function_calls_alloca): Delete declarations.
10390 * config/v850/v850.c (current_function_outgoing_args_size): Delete
10392 * config/vax/vms.h (current_function_name): Delete declaration.
10393 * gcse.c: Include "function.h".
10394 (current_function_name, current_function_calls_setjmp): Delete
10396 * haifa-sched.c: Include "function.h".
10397 (forced_labels): Delete declaration.
10398 * jump.c: Likewise.
10399 * reg-stack.c: Likewise.
10400 * reload1.c: Likewise.
10401 * genemit.c (main): Make generated file include function.h.
10402 * genoutput.c (output_prologue): Likewise.
10404 * builtins.c (saveregs_value, apply_args_value): Delete variables.
10405 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
10406 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
10407 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
10408 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
10409 macros for some of them.
10410 (emit_filename, emit_lineno): Delete declarations.
10411 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
10412 regno_pointer_* variables through current_function.
10413 (gen_inline_header_rtx): Delete function.
10414 (save_emit_status): Delete function.
10415 (set_new_last_label_num): New function.
10416 (clear_emit_caches): New function.
10417 (restore_emit_status): Just clear last_labelnum and call
10419 (get_last_insn_anywhere): Variable sequence_stack is now accessed
10420 through macro seq_stack.
10421 (add_insn_after): Likewise.
10422 (add_insn_before): Likewise.
10423 (remove_insn): Likewise.
10424 (pop_topmost_sequence): Likewise.
10425 (in_sequence_p): Likewise.
10426 (start_sequence_for_rtl_expr): Likewise.
10427 (start_sequence): Likewise, and likewise for
10428 sequence_rtl_expr/seq_rtl_expr.
10429 (push_topmost_sequence): Likewise.
10430 (end_sequence): Likewise.
10431 (init_virtual_regs): Now takes a "struct emit_status *" argument.
10432 All callers changed. Store into that pointer instead of globals.
10433 (init_emit): Allocate emit elt of current_function.
10434 Changes for sequence_rtl_expr/sequence_stack renaming.
10435 Call clear_emit_caches instead of doing it in-line.
10436 Access regno_pointer_* variables through current_function.
10437 (init_emit_once) Don't clear sequence_stack.
10439 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
10441 (arg_pointer_save_area): Delete declaration.
10442 (finish_expr_for_function): Renamed from init_queue; no longer static.
10443 (init_expr): Don't call init_queue.
10444 (save_expr_status, restore_expr_status): Delete functions.
10445 (expand_expr): Changes to reflect new layout of struct function.
10446 Don't access current_function_check_memory_usage when current_function
10448 * expr.h (forced_labels, save_expr_regs, saveregs_value,
10449 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
10450 current_function_outgoing_args_size, current_function_arg_offset_rtx,
10451 current_function_uses_const_pool, function_call_count,
10452 current_function_uses_pic_offset_table, nonlocal_labels,
10453 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
10454 current_function_check_memory_usage, nonlocal_goto_handler_slots,
10455 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
10457 (finish_expr_for_function): Declare.
10458 * flags.h (current_function_has_nonlocal_label,
10459 current_function_has_nonlocal_goto, current_function_is_thunk,
10460 current_function_has_computed_jump): Delete declarations.
10461 * flow.c (forced_labels): Delete declaration.
10462 * function.c (current_function_pops_args,
10463 current_function_returns_struct, current_function_returns_pcc_struct,
10464 current_function_needs_context, current_function_calls_setjmp,
10465 current_function_calls_longjmp, current_function_has_nonlocal_label,
10466 current_function_has_nonlocal_goto, current_function_is_thunk,
10467 current_function_has_computed_jump, current_function_calls_alloca,
10468 current_function_contains_functions, current_function_returns_pointer,
10469 current_function_epilogue_delay_list, current_function_args_size,
10470 current_function_pretend_args_size, current_function_arg_offset_rtx,
10471 current_function_outgoing_args_size, current_function_varargs,
10472 current_function_stdarg, current_function_args_info, cleanup_label,
10473 current_function_name, current_function_uses_const_pool,
10474 current_function_instrument_entry_exit, current_function_return_rtx,
10475 current_function_uses_pic_offset_table, nonlocal_labels,
10476 current_function_internal_arg_pointer, current_function_cannot_inline,
10477 current_function_check_memory_usage, function_call_count,
10478 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
10479 nonlocal_goto_stack_level, return_label, save_expr_regs,
10480 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
10481 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
10482 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
10483 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
10484 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
10486 (push_function_context_to): Don't save them. Don't call
10487 save_storage_status, save_emit_status or save_expr_status.
10488 (pop_function_context_from): Don't restore them. Don't call
10489 restore_storage_status or restore_expr_status.
10490 (get_func_frame_size): New function.
10491 (get_frame_size): Use it.
10492 (assign_outer_stack_local): Reflect some member name changes in struct
10494 (put_reg_into_stack): Likewise.
10495 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
10497 (fixup_var_refs): Likewise.
10498 (fix_lexical_addr): Likewise.
10499 (trampoline_address): Likewise.
10500 (prepare_function_start): Clear field inlinable of current_function.
10501 (init_function_for_compilation): New function.
10502 (expand_dummy_function_end): New function.
10503 (expand_function_end): Call finish_expr_for_function.
10504 * function.h (struct emit_status): New; fields moved here from struct
10505 function and from global variables. Add accessor macros for some of
10507 (struct expr_status): Likewise.
10508 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
10509 (struct function): Add fields expr and emit, inlinable, inl_emit,
10510 original_arg_vector, original_decl_initial, inl_last_parm_insn,
10511 inl_max_label_num. Add many comments.
10512 Add accessor macros for all elts of struct function that no longer
10513 have a global variable.
10514 (cleanup_label, return_label, frame_offset, tail_recursion_label,
10515 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
10516 stack_slot_list): Delete declarations.
10517 (get_func_frame_size): Declare.
10518 (save_expr_status, restore_expr_status, save_emit_status,
10519 save_storage_status, restore_storage_status): Delete declarations.
10520 (init_virtual_regs): Declare.
10521 * output.h (current_function_pops_args,
10522 current_function_returns_struct, current_function_returns_pcc_struct,
10523 current_function_needs_context, current_function_calls_setjmp,
10524 current_function_calls_longjmp, current_function_calls_alloca,
10525 current_function_has_nonlocal_label, current_function_varargs,
10526 current_function_has_computed_jump, current_function_returns_pointer,
10527 current_function_contains_functions, current_function_args_size,
10528 current_function_pretend_args_size, current_function_stdarg,
10529 current_function_outgoing_args_size, current_function_args_info,
10530 current_function_name, current_function_return_rtx,
10531 current_function_epilogue_delay_list,
10532 current_function_uses_const_pool, current_function_cannot_inline):
10533 Delete declarations.
10534 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
10535 regno_reg_rtx): Delete declaration.
10536 (REGNO_POINTER_FLAG): Delete macro.
10537 * stmt.c (expand_goto): Changes to reflect that some fields in struct
10538 function were renamed.
10539 * stor-layout.c (save_storage_status, restore_storage_status): Delete
10541 * toplev.c: Include "function.h".
10542 (current_function_decl): Delete declaration.
10543 (compile_file): Call init_dummy_function_start and
10544 expand_dummy_function_end around some initializations that need to
10546 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10547 Call init_function_for_compilation.
10548 * unroll.c: Include "function.h"
10549 (unroll_loop): Access regno_pointer_* variables through
10552 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10553 (DECL_SAVED_INSNS): use it.
10554 (expand_dummy_function_end): Declare.
10555 (init_function_for_compilation): Declare.
10556 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
10557 that it's no longer an INLINE_HEADER.
10558 (expand_call): Likewise.
10559 * integrate.c (finish_inline): Delete function.
10560 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
10561 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
10562 args. Don't generate an INLINE_HEADER rtx, just return the arg
10563 vector. All callers changed.
10564 (save_for_inline_copying): Create a duplicate struct emit_status to
10565 hold the emit state for compiling the current function. Use this and
10566 the other new fields in struct function that are for integration
10567 instead of an INLINE_HEADER.
10568 Use memcpy instead of bcopy.
10569 Store the current struct function in DECL_SAVED_INSNS of fndecl.
10570 (save_for_inline_nocopy): Similar changes, except no new emit_status
10572 (expand_inline_function): Get information from function structure,
10573 not from an inline header rtx.
10574 (output_inline_function): Lose code to extract the necessary
10575 information from an inline header; simply put back the function
10576 structure into current_function. Clear its inlinable elt.
10577 * rtl.def (INLINE_HEADER): Delete.
10578 * rtl.h: Delete all accessors for an INLINE_HEADER.
10579 (gen_inline_header_rtx): Delete declaration.
10580 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
10581 Delete declarations.
10582 (REGNO_POINTER_ALIGN): Delete.
10583 (clear_emit_caches): Declare.
10584 (set_new_last_label_num): Declare.
10586 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
10588 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
10590 * except.c (expand_eh_region_start_for_decl): Always start a new block.
10591 * stmt.c (is_eh_region): Make sure current_function is present, too.
10593 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
10595 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
10596 for 64bit PA targets.
10598 * pa.h (SELECT_SECTION): Define.
10599 * som.h (SELECT_SECTION): Delete.
10601 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10603 * alias.c (init_alias_analysis): Wrap call to
10604 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
10606 1999-08-07 Bruce Korb <autogen@linuxbox.com>
10608 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
10609 <sys/asm.h> contains an asm comment with an apostrophe
10610 * fixinc/inclhack.sh: regen
10611 * fixinc/fixincl.x: regen
10613 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
10615 * function.c (init_function_start): Clear prologue & epilogue.
10616 (prologue_epilogue_contains): New function.
10617 * alias.c (init_alias_analysis): Use it.
10618 * rtl.h (prologue_epilogue_contains): Declare it.
10620 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
10622 * jump.c (onlyjump_p): New function.
10623 * rtl.h: Declare it.
10624 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
10625 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
10627 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
10629 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
10630 to invert loops. Simplify block scanning.
10632 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10634 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
10635 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
10637 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
10639 * config/sparc/liteelf.h: New file to support sparclite-elf target
10640 * config/sparc/t-sp86x: New file to support sparc86x targets
10641 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
10642 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
10643 * configure.in: Support above target triplets
10644 * configure: Regenerated
10646 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
10648 * fixinc/server.c (server_setup): Do not prefix function used as
10649 parameter with `&'.
10651 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
10653 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
10654 Remove fp reg alternatives.
10656 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
10658 * Makefile.in (TAROUTOPTS): Kill.
10659 (install-headers-tar): Use "xpf" for tar headerfile extraction
10660 * i370/x-oe (TAROUTOPTS): Delete.
10661 * m68k/x-apollo68 (TAROUTOPTS): Delete.
10662 * m68k/x-hp320 (TAROUTOPTS): Delete.
10663 * m68k/x-hp320g (TAROUTOPTS): Delete.
10664 * gcc.texi: Update bug reporting text.
10666 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10668 * reg-stack.c (change_stack) Fixed problem with negative array index.
10670 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
10672 * extend.texi, install.texi: Fix spelling mistakes.
10674 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
10675 (s-attrtab); No longer try to use pre-made insn-attrtab file.
10676 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
10677 PREMADE_ATTRTAB_MD.
10678 * mips/t-ecoff: Likewise.
10679 * mips/t-elf: Likewise.
10680 * mips/t-mips: Likewise.
10681 * mips/t-osfrose: Likewise.
10682 * mips/t-r3900: Likewise.
10683 * mips/t-svr3: Likewise.
10684 * mips/t-svr4: Likewise.
10685 * mips/t-ultrix: Likewise.
10687 * gcc.texi: Document recommend means to provide software floating
10688 point libraries in libgcc.a
10690 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
10692 * c-lex.c (yylex): We can have a number with no digits.
10694 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
10696 * jump.c (delete_prior_computation): New function, broken
10697 out of delete_computation. Check for side effects with
10698 side_effects_p instead of FIND_REG_INC_NOTE. Handle
10699 multi-word hard registers.
10700 (delete_computation): Use it. Check for side effects with
10701 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
10702 missing REG_DEAD note for a register which is both set and
10705 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
10707 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
10708 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
10709 (ASM_FILE_START): Import _mcount with the right type.
10710 (ASM_DECLARE_FUNCTION_NAME): Define.
10711 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10712 * pa.c (output_function_prologue): Always emit the function's label
10714 * pa.h (TEXT_SPACE_P): Define.
10715 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10716 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
10717 * som.h (TEXT_SPACE_P): Delete.
10718 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10719 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
10721 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
10723 * expr.c (emit_group_load): Allow src to be a CONCAT.
10725 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10727 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
10728 (___mulsi3): Use '!' comment character.
10730 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10732 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
10734 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
10736 * gcc.c: Update URLs and mail addresses.
10737 * gcc.texi: Likewise.
10739 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
10741 * rs6000.c (current_file_function_operand): Return zero for
10743 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
10745 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
10748 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
10750 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
10751 allocate space in the stack frame for the PIC register.
10753 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
10755 * m68k.md (xordi3, anddi3): These patterns are not available on
10758 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
10760 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
10761 (PUT_REAL): Likewise.
10763 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10765 * final.c (shorten_branches): Don't add an alignment for loops
10766 that have no label inside.
10768 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10770 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
10771 prototypes in macro HAVE_cmpstrsi.
10773 * cpplib.c (cpp_get_token): Remove unused label `op3'.
10775 * emit-rtl.c (operand_subword): Remove unused variable
10778 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
10780 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
10782 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
10784 * cpphash.c (macroexpand): Delete leading whitespace when arg
10785 is concatenated before.
10786 (unsafe_chars): Correct test for whether + and - can extend a
10789 * cppinit.c (cpp_start_read): Do dependencies for
10790 -include/-imacros files also.
10792 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
10793 tokenizing non-directive lines.
10794 (cpp_expand_to_buffer): Temporarily disable no-output mode.
10795 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
10798 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10800 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
10802 * c-lex.c: Sync with C++ frontend.
10803 (linemode): New variable.
10804 (parse_float): imag, conversion_errno, and type are output only.
10805 (yylex): Adjust. Move initial '.' case into main switch.
10807 (handle_generic_pragma): Just deal with tokens.
10808 (readescape): Use ISXDIGIT and ISGRAPH.
10809 * c-parse.in: Add END_OF_LINE token.
10811 * c-lex.c (lang_init): Generalize.
10812 (nextchar): Remove. Replace uses with UNGETC.
10813 (skip_white_space): Handle linemode here. Optimize for cpplib.
10814 (skip_white_space_on_line): Remove.
10815 (extend_token_buffer_to): New fn.
10816 (extend_token_buffer): Use it.
10817 (read_line_number, check_newline): Just deal with tokens.
10818 (token_getch, token_put_back): New fns.
10819 (yylex): Use them. More cpplib optimizations. Simplify.
10821 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10822 Jason Merrill <jason@yorick.cygnus.com>
10824 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
10825 (consume_string): Make this smart about USE_CPPLIB.
10826 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
10827 (yylex): Rewrite to be intelligent about USE_CPPLIB.
10828 Also, clean up cases where we redundantly set token_buffer[0].
10829 (read_line_number): New fn.
10830 (ignore_escape_flag): New variable.
10832 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
10834 * a29k/t-a29kbare: Fix some comments.
10835 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10836 (FPBIT, DPBIT): Define.
10837 * a29k/t-vx29k: Likewise.
10838 * arc/t-arc: Likewise.
10839 * arm/t-arm-elf: Likewise.
10840 * arm/t-bare: Likewise.
10841 * arm/t-pe: Likewise.
10842 * arm/t-pe-thumb: Likewise.
10843 * arm/t-semi: Likewise.
10844 * arm/t-thumb: Likewise.
10845 * arm/t-thumb-elf: Likewise.
10846 * arm/t-thumb-linux: Likewise.
10847 * h8300/t-h8300: Likewise.
10848 * i960/t-i960: Likewise.
10849 * i960/t-vxworks960: Likewise.
10850 * m32r/t-m32r: Likewise.
10851 * mips/t-ecoff: Likewise.
10852 * mips/t-elf: Likewise.
10853 * mips/t-r3900: Likewise.
10854 * pa/t-pro: Likewise.
10855 * rs6000/t-aix43: Likewise.
10856 * rs6000/t-beos: Likewise.
10857 * rs6000/t-newas: Likewise.
10858 * rs6000/t-ppccomm: Likewise.
10859 * rs6000/t-rs6000: Likewise.
10860 * rs6000/t-winnt: Likewise.
10861 * rs6000/t-xnewas: Likewise.
10862 * rs6000/t-xrs6000: Likewise.
10863 * sh/t-sh: Likewise.
10864 * sparc/t-elf: Likewise.
10865 * sparc/t-sparcbare: Likewise.
10866 * sparc/t-sparclite: Likewise.
10867 * sparc/t-splet: Likewise.
10868 * v850/t-v850: Likewise.
10869 * mn10200/t-mn10200: Fix comments.
10870 * mn10300/t-mn10300: Likewise.
10872 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
10873 dummy operand. Allocate a new pseudo for the dummy operand.
10874 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
10876 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
10878 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
10880 * configure: Rebuilt.
10881 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
10883 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
10885 * recog.c (preproces_constraints): Zero recog_op_alt before
10886 processing the constraints.
10888 * arm.c (typedef minipool_node): Renamed from pool_node.
10889 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
10890 (add_minipool_constant): New function.
10891 (dump_minipool): New function.
10892 (find_barrier): Remove special case for getting the insn size of
10893 an insn that references the constant pool.
10894 (minipool_fixup): New structure.
10895 (push_minipool_barrier): New function.
10896 (push_minipool_fix): New function.
10897 (note_invalid_constants): New function.
10898 (add_pool_constant, dump_table, fixit, broken_move): Delete.
10899 (arm_reorg): Rewrite code to fix up the constant pool into a
10900 series of mini-pools embedded in the insn stream.
10901 (arm_output_epilogue): New function, made mainly from the body
10902 of output_func_epilogue.
10903 (output_func_epilogue): Move insn generation part of epilogue code
10904 to arm_output_epilogue.
10905 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
10906 * arm.md (pool_range): New attribute.
10907 (zero_extendqidi2): Add attribute pool_range.
10908 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
10909 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
10910 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
10911 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
10912 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
10913 (epilogue): New expand.
10914 (epilogue_insn): New insn. Call arm_output_epilogue.
10916 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
10917 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
10919 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10921 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10923 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10925 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
10927 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
10929 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
10931 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
10933 * global.c: Fix comment.
10935 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
10937 * gcc.c (access_check): New static function.
10938 (find_a_file): Use it when searching a directory list.
10939 * collect2.c (find_a_file): Don't accept directories found when
10940 searching a directory list.
10942 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
10944 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
10945 function parameters with `&'.
10946 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
10948 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
10950 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
10951 or tidy_fallthru_edge if the last insn in the block is not
10952 an unconditional jump or a simple conditional jump.
10954 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10956 * Makefile.in (c-decl.o): Depends on defaults.h.
10958 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10960 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10962 (CLASS_MAX_NREGS): Likewise.
10964 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10966 * cse.c (cse_insn): Fix dumb thinko in last change.
10968 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10970 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10973 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10975 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10976 test for sizes of passed and declared parameter types.
10978 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10980 * fixincludes: Fix the return type of bsearch, char* -> void*.
10982 * fixinc/inclhack.def: Likewise.
10984 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10986 * invoke.texi (-fdump-translation-unit): New option.
10988 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10990 * expr.h (PROMOTE_PROTOTYPES): Move ...
10991 * defaults.h: ... to here.
10992 * c-decl.c: Include defaults.h instead of expr.h.
10993 * c-typeck.c: Include defaults.h.
10995 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
10997 * toplev.h (errorcount): Declare.
10998 (warningcount): Likewise.
10999 (sorrycount): Likewise.
11000 * c-lex.c (errorcount): Don't declare.
11001 * dwarf2out.c (errorcount): Don't declare.
11003 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11005 * config/libgloss.h: Add a note discouraging use with ELF.
11006 * configure.in: Don't use libgloss.h for ELF targets.
11007 Always use_collect2 on a.out targets.
11009 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11011 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11012 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11014 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11016 * loop.c (strength_reduce): When doing biv->giv conversion, update
11017 reg note of NEXT->insn.
11019 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11021 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11023 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11025 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11026 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11027 Ensure expr.h is included.
11028 * c-typecheck.c (convert_arguments): Ditto.
11030 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11032 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11033 * config/convex/convex.h: Ditto.
11034 * config/dsp16xx/dsp16xx.h: Ditto.
11035 * config/fx80/fx80.h: Ditto.
11036 * config/gmicro/gmicro.h: Ditto.
11037 * config/i370/i370.h: Ditto.
11038 * config/i386/i386.h: Ditto.
11039 * config/m32r/m32r.h: Ditto.
11040 * config/m68k/m68k.h: Ditto.
11041 * config/m88k/m88k.h: Ditto.
11042 * config/mips/mips.h: Ditto.
11043 * config/pa/pa.h: Ditto.
11044 * config/pyr/pyr.h: Ditto.
11045 * config/tahoe/tahoe.h: Ditto.
11046 * config/we32k/we32k.h: Ditto.
11048 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11049 based on arch size.
11051 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11053 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11056 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11058 1999-08-02 Richard Henderson <rth@cygnus.com>
11060 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11061 for the register spill block.
11062 (m32r_va_arg): New.
11063 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11064 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11066 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11067 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11068 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11070 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11072 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11073 MAX_WCHAR_TYPE defined in sparc.h.
11074 * config/sparc/linuxaout.h: Likewise.
11075 * config/sparc/linux64.h: Likewise.
11076 Also default to -mvis if CPU is UltraSPARC.
11078 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11080 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11081 (RTX_OK_FOR_OLO10): Likewise.
11082 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11083 %lo(), allow it in addresses...
11084 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11085 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11086 does not make sense.
11087 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11088 (sparc_output_scratch_registers): New function.
11089 (output_function_prologue, sparc_flat_output_function_prologue): Use
11091 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11093 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11094 * configure.in: Add check for .register pseudo-op support in as and
11095 check for offsetable %lo().
11096 * acconfig.h: Add templates for the above checks.
11097 * configure: Regenerate.
11099 1999-08-02 Richard Henderson <rth@cygnus.com>
11101 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11102 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11103 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11105 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11107 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11110 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11112 * config/float-sparc.h: New file.
11113 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11114 sparc-*-linux-gnu and sparc64-*-linux*.
11116 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11118 * rs6000.c (rs6000_va_list): Type is an array.
11119 (rs6000_va_start): Don't doubly adjust for varargs.
11120 (rs6000_va_arg): Evaluate long long GPR adjustment.
11122 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11124 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11125 -maix64 and -maix32.
11126 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11127 LINK_SPEC): Change appropriately.
11128 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11129 (u_short_cint_operand): Likewise.
11130 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11132 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11134 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11136 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11138 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11139 for type promotion.
11140 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11141 (non_add_cint_operand): Likewise.
11142 (logical_operand): Likewise.
11143 (non_logical_cint_operand): Likewise.
11144 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11145 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11146 (rs6000_select_rtx_section): Suppress warning.
11147 (small_data_operand): Suppress warning.
11148 (rs6000_got_register): Suppress warning.
11149 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11150 type, so `J' is generally the wrong constraint for a SImode value;
11152 (andsi3_internal2): Likewise.
11153 (andsi3_internal3): Likewise.
11154 (iorsi3_internal1): Likewise.
11155 (xorsi3_internal1): Likewise.
11157 (movsf_softfloat): Likewise.
11158 (scc insns): Likewise.
11159 (movsi+2): Preserve sign bits of SImode constant.
11160 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11161 (movdf+1): Sign-extend properly.
11162 (movdi_32+1): Sign-extend properly.
11163 (scc insns): Sign-extend properly.
11165 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11168 1999-08-02 Richard Henderson <rth@cygnus.com>
11170 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11171 -mcpu parsing code.
11172 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11173 * alpha.md (all fp insns): Likewise.
11175 1999-08-02 Nick Clifton <nickc@cygnus.com>
11177 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11180 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11182 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11183 pic_load_label generator directly.
11184 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11185 No longer a named pattern.
11187 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11189 * explow.c (force_reg): Call force_operand if X does not
11190 satisfy general_operand.
11192 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11194 * fix-header.c (main): When testing for CONTINUED, use string
11195 equality, not pointer equality.
11197 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11199 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11201 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11203 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11204 that has become an unconditional jump.
11206 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11207 (output_function_epilogue): Similarly.
11209 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11211 * tree.h (init_dummy_function_start): Declare.
11213 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11215 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11216 last_expr_type, last_expr_value, block_start_count, block_stack,
11217 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11218 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11219 dynamically in stmt elt of struct function for each function.
11220 (struct nesting): Rename function_call_count elt to n_function_calls,
11221 target_temp_slot_level to block_target_temp_slot_level. All users
11223 (struct stmt_status): New structure definition.
11224 Add many accessor macros for stmt_status elements which previously
11225 were global variables.
11226 (init_stmt_for_function): Allocate stmt elt for current_function.
11227 Reflect that block_start_count was renamed to
11228 current_block_start_count.
11229 (save_stmt_status, restore_stmt_status): Delete functions.
11230 (preserve_subexpressions_p): Don't access loop_stack when outside
11232 (expand_start_bindings): Reflect that block_start_count was renamed to
11233 current_block_start_count.
11234 (expand_fixup): Likewise.
11235 (expand_decl): Don't access block_stack when outside a function.
11236 (expand_decl_cleanup): Likewise.
11237 (expand_dcc_cleanup): Likewise.
11238 (expand_dhc_cleanup): Likewise.
11239 (expand_anon_union_decl): Likewise.
11240 (set_file_and_line_for_stmt): New function.
11241 (in_control_zone_p): New function.
11243 * function.h (struct function): Add new elt stmt.
11244 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
11245 case_stack, nesting_stack, nesting_depth, block_start_count,
11246 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
11247 emit_lineno, goto_fixup_chain.
11248 (save_eh_status, restore_eh_status, save_stmt_status,
11249 restore_stmt_status): Delete declarations.
11250 * function.c (push_function_context_to): Don't call save_stmt_status.
11251 (pop_function_context_to): Don't call restore_stmt_status.
11252 * tree.h (in_control_zone_p): Declare.
11253 * rtl.h (set_file_and_line_for_stmt): Declare.
11255 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
11256 call set_file_and_line_for_stmt.
11258 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
11260 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
11261 Also update copyright.
11263 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11265 * c-pragma.c: Don't include "except.h".
11266 * emit-rtl.c: Likewise.
11267 * stor-layout.c: Likewise.
11268 * tree.c: Likewise.
11269 * varasm.c: Likewise.
11271 * flow.c: Include "function.h".
11272 * tree.h (init_dummy_function_start): Declare new function.
11274 * except.h (struct eh_status): New structure.
11275 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
11277 (eh_return_stub_label, ehstack, catchstack, ehqueue,
11278 catch_clauses, false_label_stack, caught_return_label_stack,
11279 protect_list, current_function_ehc): Add accessor macros for the
11280 corresponding fields in current_function->eh; delete declarations
11281 for all items that used to be declared here.
11282 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
11283 catch_clauses, false_label_stack, caught_return_label_stack,
11284 protect_list, current_function_ehc): Delete variables.
11285 (init_eh_for_function): Allocate current_function->eh.
11286 (save_eh_status, restore_eh_status): Delete functions.
11288 * function.h (struct function): Add fields next_global and eh.
11289 Delete all exception handling related fields.
11290 * function.c (current_function): New variable.
11291 (all_functions): New variable.
11292 (push_function_context_to): Don't allocate a struct function,
11293 use current_function instead. Call init_dummy_function_start when
11294 outside a function. Clear current_function before returning.
11295 (pop_function_context_from): Restore current_function.
11296 Don't free the restored struct function.
11297 (prepare_function_start): New function.
11298 (init_dummy_function_start): New function.
11299 (init_function_start): Break out some code into prepare_function_start
11302 * stmt.c (save_stmt_status): Don't call save_eh_status.
11303 (restore_stmt_status): Don't call restore_eh_status.
11305 * Makefile.in: Update dependencies.
11307 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
11309 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
11310 of depending on a magic constant value. Update comments.
11311 (hppa_expand_prologue): Similarly.
11313 * pa.md (reload_indi, reload_outdi): Allow any register for the
11314 original reload register.
11316 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
11318 * cccp.c (print_help): Change marcos to macros.
11320 1999-07-30 Richard Henderson <rth@cygnus.com>
11322 * c-typeck.c (initializer_constant_valid_p): Move ...
11323 * c-common.c (initializer_constant_valid_p): ... here. Use
11324 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
11325 of label addresses.
11326 * c-common.h (initializer_constant_valid_p): Declare.
11327 * c-tree.h (initializer_constant_valid_p): Remove.
11329 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
11331 * config/i386/sol2-c1.asm: Align the stack.
11332 * config/i386/sol2-gc1.asm: Likewise.
11334 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
11336 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
11337 -Asparclite for sparc86x.
11338 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
11340 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
11342 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
11344 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
11345 the user if using the non-default arch size in BI_ARCH configuration.
11346 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
11348 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
11349 Fix patterns so that they actually match.
11350 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
11351 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
11352 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
11354 (mulsidi3): Reflect this in the expand.
11355 (smulsi3_highpart): Only on TARGET_ARCH32.
11356 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
11357 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
11358 (umulsidi3): Reflect this in the expand.
11359 (umulsi3_highpart): Only on TARGET_ARCH32.
11360 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
11361 don't require g0 to be zero.
11362 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
11363 ({,u}divsi3): New expands.
11364 ({,u}divsi3_sp64): New patterns.
11365 (after lshrdi3_v8plus): Four new patterns to help combiner
11366 optimizing nested mixed mode shifts.
11368 * config/sparc/sparc.c (sparc_override_options): Use deprecated
11369 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
11370 speed things up. Don't use them by default on plain v9 in 64bit
11371 mode, according to what SPAMv9 sais.
11373 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
11374 top 32 bits of %[og][0-7] in signal handlers.
11375 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
11377 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
11379 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
11380 (ashlsi3): Corresponding changes.
11382 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
11384 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
11386 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
11388 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11390 * arm.h (Hint): Delete macro.
11391 Substitute HOST_WIDE_INT for Hint in some prototypes.
11392 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
11394 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
11396 * builtins.c (expand_builtin_setjmp): Use force_operand to
11397 make sure that the buffer address is in a suitable form to be
11398 passed to force_reg.
11400 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
11402 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
11405 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
11407 * pa.md (indirect_jump): Remove mode from match_operand. Verify
11408 proper mode in the condition string.
11409 (icacheflush, dcacheflush): Remove modes from match_operands.
11411 * pa.c (emit_move_sequence): Always convert scratch_reg to the
11412 proper mode before using it.
11414 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
11417 * pa.c (store_reg): Do not call add_high_const generator directly.
11418 (load_reg, set_reg_plus_d): Likewise.
11419 * pa.md (add_high_const): No longer a named pattern.
11421 * pa.c (legitimize_address): Consistently use Pmode rather than
11422 SImode. Do not call gen_pic2_highpart directly anymore.
11423 * pa.md (pic2_highpart): No longer a named pattern.
11424 (pic2_lo_sum): Similarly. Reformat to make more readable.
11426 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
11431 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11433 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
11435 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
11437 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
11438 and tag the spill mems.
11439 (hppa_va_start): New.
11440 (hppa_va_arg): New.
11441 * pa.h (EXPAND_BUILTIN_VA_START): New.
11442 (EXPAND_BUILTIN_VA_ARG): New.
11444 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
11446 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
11447 and tag the spill mems.
11448 (mn10300_va_start): New.
11449 (mn10300_va_arg): New.
11450 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
11451 (EXPAND_BUILTIN_VA_ARG): New.
11453 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
11455 * mn10200.c (mn10200_va_arg): New.
11456 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
11458 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
11460 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
11461 rather than play with TREE_INT_CST_LOW.
11463 1999-07-27 Philip Blundell <pb@nexus.co.uk>
11465 * config/arm/telf.h: Include dbxelf.h.
11466 (CPP_PREDEFINES): Only define if not already defined.
11467 (ASM_IDENTIFY_GCC): Likewise.
11468 (SUBTARGET_EXTRA_SECTIONS): Likewise.
11469 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
11470 * config/arm/thumb.h (LINK_SPEC): Only define if not already
11472 (DBX_DEBUGGING_INFO): Don't define.
11473 * config/arm/linux-telf.h: New file.
11474 * config/arm/linux-tgas.h: New file.
11475 * config/arm/t-thumb-linux: New file.
11476 * config/arm/uclinux-elf.h: New file.
11477 * config/arm/uclinux-telf.h: New file.
11478 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
11479 thumb-*-uclinux): New targets.
11480 * configure: Regenerate.
11482 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
11484 * pa.md (post_store, pre_load): New expanders.
11485 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
11486 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
11487 need to directly generate RTL for them.
11488 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
11491 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
11493 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
11494 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
11495 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
11496 (secndary_reload_class): Make TARGET_ELF conditional compile.
11497 (print_operand_address): Similar.
11498 (output_toc): Print all values as hex.
11499 (get_issue_rate): Rearrange and add RS64A and PPC630.
11500 * rs6000.h (processor_type): Add RS64A and PPC630.
11501 (PROCESSOR_POWERPC64): New.
11502 (PROMOTE_MODE): Use word_mode.
11503 (RTX_COSTS): Add RS64A and PPC630.
11504 * rs6000.md (scheduling information): Add lmul and ldiv
11505 representing 64-bit integer multiply and divide. Add rs64a and
11506 PPC630 information.
11507 (ashldi3): Add support for "rldic" instruction.
11508 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
11510 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
11512 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
11513 instead of V8 for sparclite86x in cpu_table.
11515 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11517 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
11518 output_file_directive.
11520 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
11522 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
11523 tree for op1, not the rtl.
11525 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
11527 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
11528 to m88k_va_start, leaving only the register spill.
11529 (m88k_build_va_list): New.
11530 (m88k_va_start): New.
11531 (m88k_va_arg): New.
11532 * m88k.h (BUILD_VA_LIST_TYPE): New.
11533 (EXPAND_BUILTIN_VA_START): New.
11534 (EXPAND_BUILTIN_VA_ARG): New.
11536 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
11538 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
11539 Rename from expand_builtin_saveregs.
11540 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
11542 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11544 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11545 for the register spill block.
11546 (i960_build_va_list): New.
11547 (i960_va_start): New.
11548 (i960_va_arg): New.
11549 * i960.h (BUILD_VA_LIST_TYPE): New.
11550 (EXPAND_BUILTIN_VA_START): New.
11551 (EXPAND_BUILTIN_VA_ARG): New.
11552 * i960.md (store_multiple): Use change_address on individul mems.
11554 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
11556 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
11558 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
11559 (expand_builtin_va_end): Evaluate arg for side effects.
11560 * c-common.c (c_common_nodes_and_builtins): Construct a
11561 va_list_arg_type_node to handle array decomposition to pointer.
11563 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
11565 * except.c (start_dynamic_cleanup): Use force_operand on the
11568 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
11570 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
11571 * c4x.c (c4x_va_arg): New.
11573 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
11575 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
11576 has manual_pop set.
11578 1999-07-26 Nathan Sidwell <nathan@acm.org>
11580 * eh-common.h (__eh_matcher): Prototype correctly.
11582 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
11584 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
11585 (TARGET_SINGLE_PIC_BASE): Likewise.
11586 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
11588 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
11589 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
11590 (TARGET_OPTIONS): Add -mpic-register=N.
11591 (OUTPUT_INT_ADDR_CONST): New macro.
11592 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
11593 LEGITIMATE_PIC_OPERAND_P): Likewise.
11594 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
11595 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
11596 output_addr_const directly.
11597 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
11599 (thumb_pic_register, thumb_pic_register_string): Declare.
11601 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
11603 (label_mentioned_p): New function: Imported from arm.c.
11604 (legitimize_pic_address): New function: Imported from arm.c.
11605 (is_pic):New function: Imported from arm.c.
11606 (thumb_finalize_pic):New function: Imported from arm.c.
11607 (add_constant): Cope with PIC constants.
11608 (fixit): Cope with PIC constants.
11609 (output_return): Do not treat the PIC register as live if
11610 TARGET_SINGLE_PIC_BASE is true.
11611 (thumb_function_prologue): Do not treat the PIC register as live if
11612 TARGET_SINGLE_PIC_BASE is true.
11613 (thumb_expand_prologue): Do not treat the PIC register as live if
11614 TARGET_SINGLE_PIC_BASE is true.
11615 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
11616 TARGET_SINGLE_PIC_BASE is true.
11617 (thumb_print_operand): Accept '|'.
11618 (thumb_override_options): Process PIC options.
11620 * config/arm/thumb.md (movsi): Support PIC.
11621 (call_insn): Change "i" constraint to "X".
11622 (call_value_insn): Likewise.
11623 (consttable_4, consttable_8, consttable_end): Set and clear
11624 "making_const_table" as appropriate.
11625 (pic_load_addr, pic_add_dot_plus_four): New insns.
11627 * invoke.texi (Thumb Options): Fix spelling. Document new
11628 options -msingle-pic-base and -mpic-register=.
11630 1999-07-26 Andrew Haley <aph@cygnus.com>
11632 * config/m32r/initfini.c (__init): Use a full word immediate for
11633 __fini: this allows it to be placed in any memory region.
11635 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
11636 -mmodel=medium. This is OK for all memory models.
11638 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
11640 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
11641 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
11643 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
11645 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
11648 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
11650 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
11652 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
11653 (BUILD_VA_LIST_TYPE): New.
11654 (EXPAND_BUILTIN_VA_START): New.
11655 (EXPAND_BUILTIN_VA_ARG): New.
11656 * i860.c (output_delayed_branch): Disable.
11657 (output_delay_insn): Likewise.
11658 (i860_saveregs): New.
11659 (i860_build_va_list): New.
11660 (i860_va_start): New.
11661 (i860_va_arg): New.
11662 * i860.md: Disable all peepholes using output_delayed_branch.
11663 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
11665 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
11667 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
11668 (BUILD_VA_LIST_TYPE): New.
11669 (EXPAND_BUILTIN_VA_START): New.
11670 (EXPAND_BUILTIN_VA_ARG): New.
11671 * clipper.c (clipper_builtin_saveregs): Only dump registers.
11672 Return the address of the save area.
11673 (clipper_build_va_list): New.
11674 (clipper_va_start): New.
11675 (clipper_va_arg): New.
11677 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
11679 * arc.h (EXPAND_BUILTIN_VA_START): New.
11680 (EXPAND_BUILTIN_VA_ARG): New.
11681 * arc.c (arc_setup_incoming_varargs): Set alias set of
11683 (arc_va_start): New.
11686 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
11688 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
11689 (BUILD_VA_LIST_TYPE): New.
11690 (EXPAND_BUILTIN_VA_START): New.
11691 (EXPAND_BUILTIN_VA_ARG): New.
11692 * alpha.c (alpha_builtin_saveregs): Delete.
11693 (alpha_build_va_list): New.
11694 (alpha_va_start): New.
11695 (alpha_va_arg): New.
11697 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
11699 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
11701 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
11702 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
11704 * gcc.texi: More changes related to list conversion.
11705 * invoke.texi: Likewise.
11707 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
11709 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
11710 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
11711 (expand_builtin_next_arg): Accept ARGLIST not EXP.
11712 (stabilize_va_list): New function.
11713 (std_expand_builtin_va_start): New function.
11714 (expand_builtin_va_start): New function.
11715 (get_varargs_alias_set): New function.
11716 (std_expand_builtin_va_arg): New function.
11717 (expand_builtin_va_arg): New function.
11718 (expand_builtin_va_end): New function.
11719 (expand_builtin_va_copy): New function.
11720 (expand_builtin): Call them.
11721 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
11722 __builtin_{varargs_start,stdarg_start,end,copy}.
11723 (build_va_arg): New function.
11724 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
11725 (build_va_arg): Declare.
11726 * c-decl.c (ptr_type_node, va_list_type_node): New.
11727 * c-parse.gperf (__builtin_va_arg): New.
11728 * c-parse.in (VA_ARG): New token.
11729 (unary_expr): Recognize it.
11730 * expr.c (expand_expr): Expand VA_ARG_EXPR.
11731 * expr.h (std_expand_builtin_va_start): Declare.
11732 (std_expand_builtin_va_arg): Declare.
11733 (expand_builtin_va_arg): Declare.
11734 (get_varargs_alias_set): Declare.
11735 * tree.def (VA_ARG_EXPR): New.
11736 * tree.h (BUILT_IN_VARARGS_START): New.
11737 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
11738 (ptr_type_node, va_list_type_node): Declare.
11739 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
11740 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
11741 * m88k.h, m88k.c: Likewise.
11742 * mn10300.h, mn10300.c: Likewise.
11743 * pa.h, pa.c: Likewise.
11744 * rs6000.h, rs6000.c: Likewise.
11745 * sh.h, sh.c: Likewise.
11746 * sparc.h, sparc.c: Likewise.
11748 * emit-rtl.c (operand_subword): Copy alias set.
11749 (change_address): Likewise.
11751 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
11753 * pa.c (compute_frame_size): Scan all the used callee saved registers,
11754 not just the first one.
11756 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
11758 * config/arm/arm.h (TARGET_SWITCHES): Add
11759 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
11760 (TARGET_OPTIONS): Add -mpic-register=.
11761 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
11762 (arm_pic_register_string): Declare.
11763 (NEED_PLT_GOT): Delete, replace with ...
11764 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
11765 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
11766 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
11767 * config/arm/arm.c (arm_override_options): Add new option
11769 (arm_pic_register_string): New variable.
11770 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
11771 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
11772 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
11773 (output_return_instruction): Likewise.
11774 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
11775 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
11776 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
11778 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
11779 mention of -msched-prolog. Document new options -msingle-pic-base
11780 and -mpic-register=.
11782 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
11784 * haifa-sched.c (reemit_notes): Tidy.
11785 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
11788 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
11790 * explow.c (trunc_int_for_mode): New function.
11791 (plus_constant_wide): Use it.
11792 * combine.c (simplify_and_const_int): Likewise.
11793 (merge_outer_ops): Likewise.
11794 (simplify_shift_const): Likewise.
11795 * cse.c (simplify_unary_operation): Likewise.
11796 (simplify_binary_operation): Likewise.
11797 * emit-rtl.c (operand_subword): Likewise.
11798 * rtl.h: Declare it.
11800 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11802 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
11803 (use NUM_REGS instead of NUM_INTS).
11805 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11807 * builtins.c: New file.
11808 * expr.c (saveregs_value, apply_args_value): Delete definition,
11809 moved into builtins.c.
11810 (string_constant): No longer static.
11811 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
11812 apply_args_size, apply_result_size, result_vector,
11813 expand_builtin_apply_args, expand_builtin_apply,
11814 expand_builtin_return): Delete functions, moved into builtins.c.
11815 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
11816 * expr.h (saveregs_value, apply_args_value): Declare variables.
11817 (expand_builtin, string_constant): Declare functions.
11818 * Makefile.in: Update to build builtin.o.
11820 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
11822 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
11823 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
11824 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
11825 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
11827 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
11830 1999-07-21 Michael Meissner <meissner@cygnus.com>
11832 * print-rtl.c (print_rtx): Print the names of the virtual
11835 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
11837 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
11838 introduced in previous delta.
11840 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11842 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
11843 to avoid name clash.
11845 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
11847 * c-lex.c (yylex) : Correct the test for overflow when lexing
11850 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
11852 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
11853 (adjust_priority): Always call ADJUST_PRIORITY.
11854 (schedule_insn): Only put insns into the ready at cost 0.
11855 (schedule_block): Remove redundant initial sort. Give clock_var
11856 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
11858 * tm.texi (MD_SCHED_REORDER): Update docs.
11860 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
11861 * sparc.c (ultra_reorder_called_this_block): Delete.
11862 (ultrasparc_sched_init): Don't set it.
11863 (ultrasparc_sched_reorder): Don't check it.
11865 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
11867 * rs6000.h (struct rs6000_args): Add sysv_gregno.
11868 * rs6000.c (init_cumulative_args): Init sysv_gregno.
11869 (function_arg_boundary): Align DFmode.
11870 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
11871 to get fp reg and stack overflow correct.
11872 (function_arg): Likewise.
11873 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
11874 (setup_incoming_varargs): Restructure for ABI_V4; use
11875 function_arg_advance to skip final named argument.
11876 (expand_builtin_saveregs): Properly unskip the last integer arg
11877 when doing varargs. Adjust overflow location calculation.
11879 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
11880 explicitly unsigned.
11881 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
11882 (__VA_GP_REGSAVE): Similarly.
11883 (__va_longlong_p): Delete.
11884 (__va_arg_type_violation): New declaration.
11885 (va_arg): Restructure. Flag promotion errors. Align double.
11886 TFmode passed by reference.
11888 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
11889 in the HOST_BITS_PER_WIDE_INT > 32 case.
11891 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
11893 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
11895 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
11897 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
11898 * toplev.c (documented_lang_options): Add -fpreprocessed.
11899 * cpplib.h (struct cpp_buffer): Add preprocessed.
11900 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
11901 (cpp_start_read): Don't expand macros or emit an initial #line
11902 directive if -fpreprocessed.
11904 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11906 * cpplib.h (struct cpp_buffer): Added manual_pop for
11907 better C++ tokenization.
11908 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
11909 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
11910 * c-common.c (cpp_token): Make non-static.
11912 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11914 * c-common.h: New file.
11915 * c-common.c (permanent_obstack): Delete unused declaration.
11916 (c_global_trees): New array.
11917 (c_common_nodes_and_builtins): New function; split off common code
11918 from init_decl_processing in both c-decl.c and cp/decl.c.
11919 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
11920 c_global_trees and accessor macros defined in c-common.h.
11921 Include c-common.h.
11922 * c-decl.c: Delete definitions for tree nodes that were replaced by
11924 (init_decl_processing): Build void_list_node.
11925 Call c_common_nodes_and_builtins; delete code to generate the common
11927 * objc/objc-act.c (build_module_descriptor): Rename variable
11928 void_list_node to avoid clash with c-common.h.
11930 * Makefile.in: Update dependencies.
11931 * objc/Make-lang.in: Likewise.
11933 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
11935 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
11936 (UNIQUE_SECTION_P): Likewise.
11937 (UNIQUE_SECTION): Likewise.
11939 1999-07-19 Linas Vepstas <linas@linas.org>
11941 * config/i370/README: New file.
11942 * config/i370/linux.h: New file.
11943 * config/i370/mvs.h: New file.
11944 * config/i370/oe.h: New file.
11945 * config/i370/t-linux: New file.
11946 * config/i370/t-mvs: New file.
11947 * config/i370/t-oe: New file.
11948 * config/i370/x-oe: New file.
11949 * config/i370/xm-linux.h: New file.
11950 * config/i370/xm-mvs.h: New file.
11951 * config/i370/xm-oe.h: New file.
11953 * i370.c (label_node_t): Add first_ref_page, label_addr,
11954 label_first_ref, label_last_ref members.
11955 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11956 (MAX_MVS_LABEL_SIZE): Define.
11957 (MAX_LONG_LABEL_SIZE): Define.
11958 (alias_node_t, alias_anchor, alias_number): New.
11959 (mvs_function_table): Reorder for EBCDIC.
11960 (ascebc, ebcasc): Unconditionally define.
11961 (i370_branch_dest, i370_branch_length): New functions.
11962 (i370_short_branch, i370_label_scan): New functions.
11963 (mvs_get_label): Renamed from mvs_add_label. Search for
11964 an existing label before creating a new one.
11965 (mvs_add_label): New function.
11966 (mvs_get_label_page): New function.
11967 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11968 over the entire list.
11969 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11970 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11971 (mvs_add_alias, mvs_need_alias): New functions.
11972 (mvs_get_alias, mvs_check_alias): New functions.
11973 (handle_pragma): New function.
11974 (mvs_function_check): New function.
11975 (unsigned_jump_follows_p): Search harder.
11976 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11977 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11978 * i370.h (TARGET_VERSION): Delete.
11979 (CPP_SPEC, CPP_PREDEFINES): Delete.
11980 (mvs_label_emitted): Delete.
11981 (TARGET_EBCDIC): Delete.
11982 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11983 (HANDLE_PRAGMA): Define.
11984 (HARD_REGNO_NREGS): Handle complex modes.
11985 (HARD_REGNO_MODE_OK): Likewise.
11986 (CLASS_MAX_NREGS): Likewise.
11987 (RET_REG): Likewise.
11988 (EXTRA_CONSTRAINT): Define.
11989 (RETURN_IN_MEMORY): True for DImode.
11990 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11991 (FUNCTION_PROFILER): Delete.
11992 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11993 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11994 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
11995 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
11996 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
11997 (ASM_FILE_START): Add "RMODE ANY".
11998 (ASM_OUTPUT_EXTERNAL): Check for aliases.
11999 (ASM_GLOBALIZE_LABEL): Likewise.
12000 (ASM_OUTPUT_LABELREF): Likewise.
12001 (ASM_OUTPUT_COMMON): Likewise.
12002 (PRINT_OPERAND): Handle 'K', 'W', default.
12003 (PRINT_OPERAND_ADDRESS): New.
12004 (Lots of defines): Add support for TARGET_ELF_ABI.
12005 * i370.md (attr length): New. Define for all patterns.
12006 (*): Lots of tweeks to assembly output and constraints.
12008 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12010 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12011 Disable patterns performing SImode comparisons with SImode values
12012 if TARGET_POWERPC64 and instruction does not sign-extend or does
12013 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12014 differ for signed quantities.
12015 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12016 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12017 (decrement_and_branch_on_count): Add 64-bit variant.
12019 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12021 * final.c (output_asm_insn): When searching for the matching string
12022 for a given dialect, don't run past the end of the list of
12023 alternatives if there are fewer alternatives in the template than
12026 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12028 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12029 Removed paragraph about compression of files and size limitation,
12030 duplicated in the FAQ. Use gcc-patches for posting patches.
12031 * gcc.c (main): Updated URL with bug reporting instructions to
12032 gcc.gnu.org. Removed e-mail address.
12033 * system.h (abort): Likewise.
12035 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12037 * Makefile.in (stmp-multilib-sub): Make the files extracted
12038 from $(LIBGCC1) writable.
12040 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12042 * config/arm/aout.h: Reformat for improved readability.
12044 * config/arm/arm.h: Reformat for improved readability.
12045 Replace uses of fprintf with asm_fprintf where appropriate.
12046 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12047 function declaration assembler actions.
12048 (NUM_INTS): New macro: Convert from bytes to words.
12049 (NUM_REGS): New macro: Compute number of registers required to
12050 hold a quanitity of tyep MODE.
12051 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12053 (NUM_ARG_REGS): New macro: The number of argument registers
12055 (ARG_REGISTER): New macro: Compute the register number of the Nth
12057 (LAST_ARG_REGNUM): New macro: The number of the last argument
12059 (SP_REGNUM): New macro: Register number of the stack pointer.
12060 (FP_REGNUM): New macro: Register number of the frame pointer.
12061 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12062 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12063 CUMULATIVE_ARGS so that it counts registers not bytes.
12065 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12067 Replace uses of fprintf with asm_fprintf where appropriate.
12068 (output_ascii_pseudo_op): Replace with version from thumb.c
12070 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12072 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12073 SUBTARGET_CPP_SPEC.
12074 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12075 (ASM_FILE_START): Emit ASM_APP_OFF.
12077 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12079 * pa.c (compute_frame_size): Round frame according to
12080 STACK_BOUNDARY rather than a hardwired value.
12082 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12084 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12086 * configure: Rebuilt.
12088 * configure.in (hppa*-*-linux*): New configuration.
12089 * configure: Rebuilt.
12090 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12091 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12092 * pa/pa-linux.h: New file.
12093 * pa/t-linux: New file.
12094 * pa/xm-linux.h: New file.
12096 * pa.c (hppa_legitimize_address): Change references from SImode to
12097 either Pmode or word_mode as appropriate.
12098 (emit_move_sequence, store_reg, load_reg): Likewise.
12099 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12100 (output_mul_insn): Likewise.
12101 * pa.h (PROMOTE_MODE): Likewise.
12102 (INITIALZE_TRAMPOLINE): Likewise.
12103 (Pmode): Define to word_mode.
12105 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12106 value of 4. Allocate 8 bytes for each FP register save.
12107 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12109 (hppa_expand_prologue): Likewise.
12110 * pa.h (PROMOTE_MODE): Likewise.
12111 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12112 (FUNCTION_ARG_BOUNDARY): Likewise.
12114 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12116 * pa.c (out_of_line_prologue_epilogue): Delete.
12117 (override_options): Remove -mspace related code.
12118 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12119 (compute_frame_size): Only allocate space for register that
12120 actually need to be saved.
12121 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12122 (TARGET_SWITCHES): Remove -mspace, -mno-space
12123 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12124 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12125 * pa/ee.asm, pa/ee_fp.asm: Delete.
12127 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12129 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12130 directive in column zero.
12132 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12134 * m68k.c (output_function_prologue): Fix computation of save mask
12135 when generating PIC code.
12137 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12139 * tree.c (build_type_attribute_variant): Move current_obstack restore
12140 after build_qualified_type call.
12142 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12144 * configure.in: Use t-iris6, even with GNU LD.
12145 * config/mips/iris6gld.h: Fix typo in linker spec.
12146 * config/mips/t-iris6gld: Remove.
12148 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12150 * rs6000.md (insv, extzv): Remove SImode dependence in named
12151 patterns. Explicitly generate DImode RTL if PowerPC64 and
12153 (insvdi): Reverse start and size in instruction template.
12155 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12157 * invoke.texi: Typo fixes.
12159 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12161 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12162 handle at this time instead of silently generating incorrect code.
12163 (gen_imagpart): Likewise.
12165 * reload.c (find_reloads): Emit a USE for a pseudo register without
12166 a hard register if we could not create an optional reload for the
12169 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12171 * c-typeck.c (output_init_element, process_init_element):
12172 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12173 check for nameless bit fields.
12175 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12177 * regclass.c (scan_one_insn): Notice subregs that change the
12178 size of their operand.
12179 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12181 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12183 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12184 * configure: Rebuilt.
12185 * alpha/t-ieee: New file.
12187 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12189 * rs6000.c (find_addr_reg): Do not select r0 as an address
12192 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12194 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12196 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12198 * rs6000.md (movsf): Do not force easy FP constants into memory.
12200 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12201 immed_double_const to ensure they are properly truncated then
12204 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12206 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12207 always unless NO_DEBUG is used. Compile this code
12209 (replace_symbols_in_block): Compile it unconditionally.
12211 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12213 * configure.in (i?86-*-elf*): New target.
12214 * configure: Rebuilt.
12215 * i386/i386elf.h, i386/t-i386elf: New files.
12217 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12219 * toplev.c (main): Don't complain about saying -gdwarf.
12220 (rest_of_compilation): Remove redundant code.
12222 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12224 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12226 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
12228 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
12229 "Li960R:", to avoid name clash.
12231 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12233 * loop.c (check_dbra_loop): When reversing a loop, delete all
12234 REG_EQUAL notes referencing the reversed biv except those which are
12235 for a giv based on it.
12237 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
12239 * version.c: Drop "gcc-" prefix from version #.
12241 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
12243 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
12244 the label if we're being verbose.
12246 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
12248 * m68k.c (output_function_prologue): Add pic register to mask
12249 if live and flag_pic.
12250 (output_function_epilogue): Likewise.
12252 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
12254 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
12255 directives in column zero.
12257 * pa/elf.h (ASM_FILE_START): Define.
12258 * pa/som.h (ASM_FILE_START): Include .level directives.
12259 * pa/hpux10.h (ASM_FILE_START): Delete.
12260 * pa/hpux11.h (ASM_FILE_START): Delete.
12262 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
12264 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12266 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
12267 when reload_out equals reload_in.
12269 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
12271 * invoke.texi (Spec Files): New node: Describe the contents of
12274 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
12276 * invoke.texi (DEC Alpha Options): Put @end table at
12277 beginning of line, to avoid confusing texi2html.
12279 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
12281 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
12282 introduced in previous delta.
12284 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12286 * reload1.c (gen_reload): When synthesizing a 3 operand add
12287 sequence, improve test for when to reload OP1 into the reload
12288 register instead of OP0.
12290 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
12292 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
12294 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
12296 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
12299 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
12301 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
12302 (va_dcl): Use __builtin_va_alist_t.
12304 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
12306 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
12307 on the permanent_obstack.
12308 * dwarfout.c (output_type): Likewise.
12310 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
12312 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12313 Merged from c-typeck.c and cp/typeck.c.
12314 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12315 Merged into c-common.
12317 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
12319 * c-lex.c (errorcount): Declare it.
12320 (finish_parse): Update errorcount when using CPPLIB.
12322 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
12324 * fixinc/inclhack.def(end_else_label): Double the backslash so
12325 sed gets a chance to see it.
12326 * fixinc/inclhack.sh: regen
12327 * fixinc/fixincl.x: regen
12329 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
12331 Add framework to support armv5 architecture when it becomes
12334 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
12335 (arm_arch5): New variable.
12336 (all_architectures): Add armv5 line.
12337 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
12338 -march=armv5 is specified on the command line.
12339 (arm_arch5): Export this variable.
12340 * invoke.texi: Document new string accepted by -march= switch for
12343 * config/arm/arm.h: Replace use of constant 12 as a register
12344 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12345 * config/arm/arm.c: Replace use of constant 12 as a register
12346 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12348 * config/arm/elf.h: Tidy up.
12349 * config/arm/coff.h: Tidy up.
12351 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
12353 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
12354 * gcc/config/mips/t-iris6gld: New file.
12355 * gcc/config/mips/iris6gld.h: Likewise.
12357 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
12359 * c-decl.c (widest_integer_literal_type_node,
12360 widest_unsigned_literal_type) : New.
12361 (init_decl_processing): Handle/use the two new types.
12362 * c-common.c (type_for_size,type_for_mode) : Same.
12363 * c-lex.c (yylex) : Same.
12364 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12366 * c-tree.h (widest_integer_literal_type_node,
12367 widest_unsigned_literal_type) : New.
12369 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
12371 * dwarfout.c (field_byte_offset): Correctly compute the object's
12372 byte offset for the first bit of a field which crosses an alignment
12373 boundary on a !BYTES_BIG_ENDIAN target.
12375 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
12377 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
12380 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
12381 Jeff Law <law@cygnus.com>
12383 * ginclude/varargs.h (va_dcl): Use word_mode for type of
12386 * except.c: Include intl.h.
12387 (expand_eh_return): Set current_function_cannot_inline.
12388 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
12389 * function.h (struct function): Add eh_return_stub_label.
12390 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
12391 * Makefile.in (except.o): Depend on intl.h.
12393 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
12395 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
12396 same as offsettable in cases 1 and 2.
12398 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
12400 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
12401 (extlh, extwh): Likewise.
12403 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
12405 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
12407 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
12409 * configure.in: Add arm-pe and thumb-pe targets.
12410 * configure: Regenerate.
12412 * thumb.c (arm_naked_function_p): New function: Determines if
12413 a function is naked (has no gcc generated prologue/epilogue).
12414 (is_called_in_ARM_mode): Return true if the func has the
12415 interfacearm attribute.
12416 (output_return): Do not generate a return for naked functions.
12417 (thumb_function_prologue): Do not generate a prologue for
12419 (thumb_expand_prologue): Do not generate a prologue for naked
12421 (thumb_expand_epilogue): Do not generate an epilogue for naked
12423 (arm_valid_machine_decl_attribute): New function, copied from
12424 arm.c: Permit naked and interfacearm attributes.
12426 * config/arm/pe.c: New file: Support code for arm-pe target.
12427 * config/arm/pe.h: New file: Header file for arm-pe target.
12428 * config/arm/tpe.h: New file: Header file for thumb-pe target.
12429 * config/arm/t-thumb-pe: New file: Makefile fragment for
12432 1999-07-01 Mark Kettenis <kettenis@gnu.org>
12434 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
12435 -fPIC or -fpic is specified.
12437 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
12439 * expr.c (emit_block_move): Use copy_to_mode_reg for
12440 !TARGET_MEM_FUNCTIONS case too.
12442 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
12444 * configure: Rebuilt.
12445 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
12446 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
12447 definitions made redundant by dbxelf.h inclusion. Delete
12448 lots of definitions related to assembly output that are
12449 specific to the SOM object format.
12450 * pa.c (output_function_prologue): Do not emit the function's
12452 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
12453 * pa-pro.h: Deleted.
12454 * som.h: New file with SOM specific definitions.
12455 * elf.h: New file with ELF specific definitions.
12457 * elfos.h (const_section): Output a tab before assembler directives.
12458 (ctors_section, dtors_section): Likewise.
12459 (ASM_OUTPUT_SECTION_NAME): Likewise.
12461 * pa/pa1.h: Delete unused file.
12463 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
12465 * configure.in (hppa*-hp-hpux11*): New configuration.
12466 * configure: Rebuilt.
12467 * pa/pa-hpux11.h: New file.
12468 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
12471 * mips.md (leasi, leadi): New patterns.
12473 * expr.c (emit_block_move): Properly handle case where one of the
12474 block move arguments has a queued increment or decrement.
12475 (clear_storage): Similarly. Fix formatting goof.
12477 1999-06-28 "David O'Brien" <obrien@NUXI.com>
12479 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
12480 semicolon from the BSD VA_LIST replacement expression.
12482 * fixinc/inclhack.sh: regen
12483 * fixinc/fixincl.x: regen
12485 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
12486 now use the fixincl program.
12488 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
12490 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
12491 case. Also make the PIC register call_used.
12493 * m68k.h (FINALIZE_PIC): Delete.
12494 * m68k.c (finalize_pic): Delete.
12496 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
12498 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
12501 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
12503 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
12505 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
12507 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
12509 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
12511 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
12513 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
12515 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
12517 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
12519 * rs6000.c (output_toc): Always use hex values for floating-point
12520 constants. Store single-precision values in upper-half of TOC
12521 entry in 64-bit mode.
12522 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
12523 to final constraints.
12524 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
12525 (fctiwz): Improve accuracy of RTL for pattern.
12527 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
12529 * expr.c (expand_expr): Allow RTL_EXPR's through the
12530 MAX_INTEGER_COMPUTATION_MODE checks.
12532 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
12534 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
12535 such that MASK_SUPPORT_ARCH is not negative.
12537 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
12539 * loop.c (verify_dominator): Properly handle ADDR_VEC and
12540 ADDR_DIFF_VEC insns that appear inside loops.
12542 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12543 Jeff Law <law@cygnus.com>
12545 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12546 Handle LO_SUM the same as offsettable in cases 1 and 2.
12547 * rs6000.c (find_addr_reg): Revert previous patch.
12549 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12551 * system.h (strstr): New external function declaration.
12552 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12553 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
12554 * config.in, configure: Rebuilt.
12556 1999-06-24 Tom Tromey <tromey@cygnus.com>
12558 * gcc.c (main): Read user-specified specs files after computing
12559 additional startfile_prefixes.
12561 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
12563 Revert these two patches:
12565 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12566 * loop.c (strength_reduce): When doing biv->giv conversion, update
12567 reg note of NEXT->insn.
12569 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12570 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12572 (recombine_givs): Set ix field after sorting.
12574 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12576 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
12577 for the parts of an UNSPEC / UNSPEC_VOLATILE.
12579 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
12581 *fixinc/inclhack.def: Add fix development commentary
12582 (read_ret_type): reactivate and add selection clause
12583 (zzz_*): tweak output file name to match what is used in hackshell.tpl
12584 *fixinc/{fixincl.x|inclhack.sh}: regen
12586 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
12588 * expr.c (expand_expr): STRIP_NOPS before checking against
12589 MAX_INTEGER_COMPUTATION_MODE
12590 (check_max_integer_computation_mode): Likewise.
12592 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
12594 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
12596 1999-06-22 Jim Wilson <wilson@cygnus.com>
12598 * expr.c (store_expr): When target is a promoted subreg, return a
12599 promoted subreg as a result.
12601 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
12603 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
12605 (dwarf2out_define): Mark unused parameters appropriately.
12606 (gen_unspecified_parameters_die): Ditto.
12607 (gen_subprogram_die): Fix signed/unsigned warnings.
12608 (gen_variable_die): Ditto.
12610 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
12612 * fixinc/inclhack.def(end_else_label): combined else_label
12613 and endif_label and fixed the sed expression.
12614 *fixinc/{fixincl.x|inclhack.sh}: regen
12616 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
12618 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
12619 'x' when handling non-offsettable addresses
12621 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
12623 * final.c (shorten_branches): Don't try to split an insn that has
12626 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
12628 * config/mips/mips.c (symbolic_expression_p): New function.
12629 (mips_select_rtx_section): Put symbolic expressions in the
12630 data section, not the read-only data section.
12632 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
12634 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
12636 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
12638 * collect2.c (main): Log frame table count.
12639 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
12640 (scan_prog_file) [COFF]: Handle frame tables.
12642 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
12643 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
12644 * alpha/elf.h: Undef them again.
12645 * alpha/vms.h: Remove their definitions.
12647 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12649 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
12650 remove the clobber of r0 and change the REG_UNUSED note to
12653 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
12655 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
12656 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
12657 fits in HOST_WIDE_INT and one uses union to access a long constant
12660 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
12662 * sparc.c (sparc_override_options): Don't allow profiling for
12663 code models other than medlow.
12664 (sparc_function_profiler): New function from old FUNCTION_PROFILER
12665 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
12666 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
12667 (sparc_block_profiler): Likewise.
12668 (sparc_function_block_profiler_exit): Likewise.
12669 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
12670 (FUNCTION_BLOCK_PROFILER): Likewise.
12671 (BLOCK_PROFILER): Likewise.
12672 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
12673 (MCOUNT_FUNCTION): New.
12674 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
12675 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
12676 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
12677 (MCOUNT_FUNCTION): New.
12678 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
12679 (BLOCK_PROFILER): Delete.
12680 (MCOUNT_FUNCTION): New.
12682 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
12684 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
12686 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12688 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12691 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12694 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12697 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12700 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
12702 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
12705 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
12707 * i386/djgpp.h (LIB_SPEC): New.
12708 (STARTFILE_SPEC): New.
12710 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
12712 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
12714 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
12717 * system.h (WSTOPSIG): New macro.
12719 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
12721 * c-pragma.c (push_alignment): Don't ignore alignments greater than
12723 (insert_pack_attributes): Take into account member natural
12726 * i386/winnt.c (exports_head): New static variable.
12727 (i386_pe_record_exported_symbol): New function.
12728 (i386_pe_asm_file_end): Use.
12729 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
12730 symbols to be emitted at end of assembly.
12731 (ASM_DECLARE_OBJECT_NAME): Likewise.
12732 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12734 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
12737 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
12739 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
12742 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
12744 * haifa-sched.c (sched_analyze_1): Use free_list instead of
12745 zapping reg_last_uses directly.
12746 (sched_analyze_2, sched_analyze_insn): Likewise.
12747 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
12749 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
12751 * rs6000.md (movdf_hardfloat32): Use worst case insn length
12752 attributes for cases 1 and 2.
12754 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
12756 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
12759 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
12761 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
12763 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
12765 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
12766 PIC_OFFSET_TABLE_REGNUM for general alloaction.
12767 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
12768 must be stacked if it is used for PIC accesses.
12769 * arm.c (use_return_insn): Handle PIC register specially.
12770 (output_return_instruction): Likewise.
12771 (output_func_{prologue,epilogue}): Likewise.
12772 (output_expand_prologue): Likewise.
12774 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
12775 (*strsi_predec): Renamed from *strqi_predec.
12776 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
12777 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
12779 * arm.c (arm_override_options): Remove warning about PIC code
12780 not being supported.
12782 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
12784 * rs6000.c (find_addr_reg): New function.
12785 * rs6000.h (find_addr_reg): Declare.
12786 (offsettable_addr_operand): Delete.
12787 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
12788 from and stores to GPRs.
12790 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
12792 * alpha.c (alpha_expand_block_move): Use get_insns rather than
12793 gen_sequence as argument to emit_no_conflict_block.
12795 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12797 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
12798 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
12799 *fixinc/fixincl.x: regen
12800 *fixinc/inclhack.sh: regen
12802 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
12804 * added support for -mpcrel (PC relative addressing for m68k)
12805 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
12806 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
12807 * m68k.c (print_operand_address): Handle 32-bit PIC case.
12808 (comments for general_src_operand): Add some explanation
12809 about EXTRA_CONSTRAINTS.
12810 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
12811 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
12812 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
12813 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
12814 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
12815 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
12816 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
12817 if not already set.
12818 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
12819 * m68k.h (TARGET_PCREL): New target flag.
12820 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
12821 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
12822 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
12823 contains a SYMBOL_REF. Relax this constraint during reload, since
12824 we want to use the predicates, not reload's built-in concept of a
12825 valid memory address, to control what insns need reloading.
12826 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
12827 operands (essentially 'g', 'm', and 's' under normal circumstances).
12828 * m68k.c (print_operand): Cause printing of pc-relative addresses
12829 to include pc register.
12830 (print_operand_address): Ditto.
12831 (general_src_operand): Accept operands that are not only
12832 general_operands, but are also valid when used as a pc-relative
12834 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
12835 (memory_src_operand): Similar, for memory_operands.
12836 (pcrel_address): New predicate to accept the special case of a
12837 pc-relative address.
12838 * m68k.md (many patterns): Rewrite common SImode, HImode, and
12839 QImode insns to accept *_src_operand instead of *_operand where
12840 pc-relative operands can fit. For example, a pc-relative operand
12841 can be used as a memory source operand for addsi3, but not as a
12842 memory destination.
12843 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
12845 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
12847 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
12848 .thumb_set pseudo op to mark aliases of thumb functions.
12850 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
12852 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
12853 preference to ASM_OUTPUT_DEF, if it is defined.
12855 * tm.texi: Document new, optional target macro
12856 ASM_OUTPUT_DEF_FROM_DECLS.
12858 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12860 * fixincludes: ISCNTL patch
12861 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
12862 (dgux_int_varargs): new for DG/UX
12863 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
12865 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
12867 * invoke.texi (ia32 options): Fix typo.
12869 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12871 * loop.c (strength_reduce): When doing biv->giv conversion, update
12872 reg note of NEXT->insn.
12874 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
12876 * loop.c (move_movables): Note issues with replacing REGs with
12878 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
12880 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
12882 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
12884 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
12885 the reference to `mcount' was not correct for the ELF on FreeBSD.
12887 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12889 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12892 (recombine_givs): Set ix field after sorting.
12894 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
12896 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
12897 to safe to extract a subword out of a REG.
12899 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12901 * sh.md (mulsi3): Don't add a no-op move at the end.
12903 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12905 * cse.c (cse_insn): Don't put hard register source into tables for
12906 the last insn of a libcall.
12908 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12910 * loop.c (strength_reduce): Insert sets of derived givs at every
12911 biv increment, even if it's the only one.
12913 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12915 * dwarfout.c (add_incomplete_type): New fn.
12916 (output_type): Call it.
12917 (retry_incomplete_types): New fn.
12918 (dwarfout_finish): Call it.
12920 From Eric Raskin <ehr@listworks.com>:
12921 (output_type): Output types for bases.
12923 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12925 * mips.c (mips_output_conditional_branch): Add `break'
12926 between `default' label and `close braces'.
12928 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
12930 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
12931 specifications and make it realistic.
12932 (LIB_SPEC): Likewise.
12934 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
12936 * config/mips/mips.c (mips_secondary_reload_class): Check for
12937 (PLUS (SP) (REG)) and return appropriate register class.
12938 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
12939 Handle (PLUS (SP) (REG)).
12940 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
12941 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
12942 of emit_insn for tablejump.
12944 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
12946 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
12947 asm_fprintf format string by itself.
12948 (output_function_profiler): Likewise.
12950 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
12952 * combine.c (simplify_logical, case AND): Only call
12953 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12954 or the constant is positive.
12956 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12958 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12959 * configure: Regenerate.
12961 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12963 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12964 require a sub-version #.
12965 * configure: Rebuilt.
12967 1999-06-14 Robert Lipe (robertlipe@usa.net)
12969 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12971 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12973 * c-typeck.c (process_init_element): Detect excess elements in
12974 char array initializer.
12976 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12978 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12980 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12982 * invoke.texi (Option Summary): Add -fpermissive flag.
12984 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12986 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12987 that require PIC code sequences.
12989 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12991 * configure.in: Add new target: thumb-elf.
12992 * configure: Regenerate.
12993 * config/arm/t-thumb-elf: New file: Makefile fragment for
12995 * config/arm/telf.h: New file: Header file for thumb-elf
12998 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13000 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13001 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13002 initializers is some circumstances.
13004 * fixinc/inclhack.def (endif_label): Add additional selector for
13005 more bogus stuff after #endif statements.
13006 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13008 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13010 * i386/cygwin.h (SET_ASM_OP): Define.
13012 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13014 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13016 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13018 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13021 * sh.md (ic_invalidate_line_i): Remove second alternative.
13023 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13025 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13026 test for the presence of valid prototypes. Delete bypass expr.
13027 (ioctl_fix_ctrl): Correct the selection expression.
13028 (no_double_slash): Correct quoting rules
13029 *fixinc/fixincl.x: regen
13030 *fixinc/inclhack.sh: regen
13032 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13034 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13036 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13038 * rs6000.md (movsi_got_internal_mem): Delete.
13039 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13040 (GOT_TOC_REGNUM): Delete.
13041 (PIC_OFFSET_TABLE_REGNUM): Define.
13042 (FINALIZE_PIC): Disable.
13043 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13044 (rs6000_replace_regno): Delete.
13045 (rs6000_finalize_pic): Likewise.
13046 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13048 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13050 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13051 is a note; use <= for the compare; advance P while it is
13054 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13056 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13057 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13059 * varasm.c (remove_from_pending_weak_list): Verify t->name
13060 is non-NULL before passing it to strcmp.
13062 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13064 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13065 the typed arguments are not part of a comment
13066 (ioctl_fix_ctrl): Added a purpose comment
13067 *fixinc/fixincl.x: regenerate
13068 *fixinc/inclhack.sh: regenerate
13070 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13072 * invoke.texi: Add C4x invocation docs.
13074 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13076 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13078 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13080 (c4x_legitimize_reload_address): New function.
13081 * config/c4x/c4x.md: Update docs.
13083 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13085 * fixincludes: Avoid removing '.'.
13086 * fixinc/fixinc.svr4: Likewise.
13087 * fixinc/fixinc.winnt: Likewise.
13088 * fixinc/inclhack.tpl: Likewise.
13089 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13091 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13093 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13095 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13097 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13099 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13102 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13104 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13105 * configure: Regenerate.
13107 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13109 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13112 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13114 * fixinc/inclhack.def (avoid_bool): Also catch
13115 "typedef [unsigned] int bool".
13116 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13118 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13119 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13120 * configure: Rebuilt.
13122 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13124 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13125 such that we can override its definitions if necessary.
13126 (CPP_SPEC): New define. Support processor specific predefines via
13128 (CC1_SPEC): New define. Support processor specific compiler
13129 options via %(cc1_cpu).
13130 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13133 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13135 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13136 between sed's -e flag, and the open-quote following it.
13137 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13139 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13140 Jeffrey A Law (law@cygnus.com)
13142 * varasm.c (assemble_start_function): Remove the function
13143 from the pending weak decls list when we define a function.
13144 (assemble_variable): Similarly for variables.
13145 (weak_finish): Ignore items on the list with a NULL name.
13146 (remove_from_ending_weak_list); New function to "remove" an item
13147 from the pending weak declarations list.
13149 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13151 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13153 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13155 * c-lex.c (GETC): Redefine to call getch.
13156 (UNGETC): Redefine to call put_back.
13157 (putback_buffer): New structure type.
13158 (putback): New static structure.
13159 (getch): New function.
13160 (put_back): New function.
13161 (yylex): Replace unused bytes from bad multibyte character.
13163 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13165 * cpplib.c (do_define): Cast `alloca' return value.
13166 (do_include, do_undef, do_pragma): Likewise.
13167 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13169 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13170 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13172 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13174 * sparc.md (abstf2): This should be an expand.
13175 (split after abstf2_notv9): Fix mode.
13176 (abstf2_hq_v9): New pattern.
13177 (abstf2_v9): Only use when no hard quad.
13178 (absdf2_v9): Fix if target is not the same as source.
13179 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13180 Add correct output constraints.
13182 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13184 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13185 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13187 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13189 * mips.h (mips_output_conditional_branch): New function.
13190 (mips_adjust_insn_length): Likewise.
13191 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13192 (ADJUST_INSN_LENGTH): Likewise.
13193 * mips.c (print_operand): Add `F' and `W' for floating-point
13194 comparison opcodes.
13195 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13197 (mips_adjust_insn_length): New function.
13198 (mips_output_conditional_branch): New function.
13199 * mips.md (length): Adjust attribute definition to handle
13200 conditional branches. Change lengths to bytes, rather than
13201 instructions throughout. Remove length attribute from
13202 instructions whose length is four bytes, and rely on the default
13204 (dslot): Fix typo in comment.
13205 Reword conditional branch patterns to use
13206 mips_output_conditional_branch.
13208 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13210 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13211 (LIB_SPEC): Likewise.
13212 Link with -lprof1_r for -g/-pg.
13214 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13216 * loop.c (check_dbra_loop): Fix change of Jan 19.
13218 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13220 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13221 (STARTFILE_SPEC): Define, override the svr4.h version.
13222 (ENDFILE_SPEC): Likewise.
13224 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13226 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13227 * fixinc/fixincl.x: Regenerated.
13228 * fixinc/inclhack.sh: Regenerated.
13230 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13232 * sh.c (barrier_align): Don't return early for normal branch/barrier
13233 when optimizing for SH2.
13235 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
13237 * i386/udk.h (LINK_SPEC): Correct linker search path for
13240 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13242 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
13243 (braf_label_ref_operand): Delete.
13244 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
13245 * sh.md (casesi_jump_2): Operand1 is now the inside of a
13246 label_ref, and has no predicate.
13247 The patten has a predicate to guard against invalid substitutions.
13248 (dummy_jump): Delete.
13249 (casesi): Update use of casesi_jump_2.
13251 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13253 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
13254 *fixinc/fixincl.x: regenerate
13255 *fixinc/inclhack.sh: regenerate
13257 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
13259 * dwarf2out.c (add_incomplete_type): New fn.
13260 (gen_struct_or_union_type_die): Call it.
13261 (retry_incomplete_types): New fn.
13262 (dwarf2out_finish): Call it.
13264 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
13266 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
13267 current block starts with a CODE_LABEL and ends with a CALL and
13268 we can not find all the argument setup instructions for the CALL.
13270 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
13272 Revert this change:
13273 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13274 something is a candidate for optimize_bit_field_compare.
13276 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13278 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
13280 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
13282 * alpha.c (override_options): Thinko in last patch.
13284 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
13285 (LIB_SPEC): Recognize -pthread.
13287 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
13289 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
13290 definition in config/arm/coff.h
13291 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
13293 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13295 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
13296 fixes that need "file=xxx\n" prepended before invocation
13297 (start_fixer - new): starting the fixer process is complex enough
13298 to warrent its own routine. It prepends the "file=xxx\n" stuff.
13299 (process): uses the new routine; omit usage of putenv()
13300 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
13301 * fixinc/fixincl.x: regenerate
13303 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
13305 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
13306 and version #s (1.1 -> 2.96) as needed.
13307 * README.g77: Kill way out of date file in the toplevel directory.
13309 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
13311 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
13312 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
13313 * configure: Rebuilt.
13314 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
13315 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
13316 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
13317 (SWITCH_TAKES_ARG): Likewise.
13318 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
13319 * config/t-freebsd: Moved from config/i386/ so it can used for all
13322 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
13324 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
13326 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
13328 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
13329 * configure: Rebuilt.
13331 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
13333 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
13334 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
13335 * rs6000/rs6000.c (rs6000_file_start): Use putc.
13336 (rs6000_output_load_toc_table): Same.
13337 (output_prolog, output_mi_thunk): Same.
13338 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
13339 (ASM_GLOBALIZE_LABEL): Use putc.
13341 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
13343 * alpha.md (reload_*_help): New patterns and splitters.
13344 (reload_*): Use them.
13345 (mov[qh]i): Likewise.
13347 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
13349 * cccp.c (handle_directive): Handle backslash-newlines in quoted
13352 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
13354 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
13356 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
13358 * flow.c (mark_regs_live_at_end, insn_dead_p,
13359 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
13360 and HARD_FRAME_POINTER_REGNUM special treatment if reload
13361 hasn't run or the frame pointer is needed.
13362 * haifa-sched.c (attach_deaths): Likewise.
13363 * sched.c (attach_deaths): Likewise.
13365 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
13367 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
13368 calculate_can_reach_end returns nonzero.
13370 * configure.in (native gas tests): Search for an assembler in the
13371 same manner that the installed compiler will.
13372 * configure: Rebuilt.
13373 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
13375 * alias.c (find_base_term): Improve handling of addresses
13376 constructed from binary operations.
13378 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
13380 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
13382 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
13384 * function.h (cleanup_label, frame_offset): Declare.
13385 (tail_recursion_label, tail_recursion_reentry): Likewise.
13386 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13387 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
13388 (tail_recursion_label, tail_recursion_reentry): Likewise.
13389 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13391 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
13393 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
13395 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
13396 (MAX_OFILE_ALIGNMENT): Define.
13398 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
13400 * fixincl.c: Replace local include scheme with #includes of
13401 gansidecl.h and system.h.
13402 * procopen.c: Likewise.
13403 * server.c: Likewise.
13405 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
13407 * i386/t-dgux (EXTRA_PARTS): Add crti.o
13408 (crti.o): Add build rule and dependencies.
13409 * fixinc/fixinc.dgux: Use modified _int_varargs.h
13411 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13413 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
13414 (LIB_LINUX_SPEC): Likewise.
13415 (LIB_LINUX_SPEC): Add support for -pthread
13416 (CPP_OS_LINUX_SPEC): Likewise.
13417 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
13420 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
13422 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
13424 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
13425 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
13426 for IEEE math and CC_FCOMI.
13427 (put_jump_code): No IEEE if CC_FCOMI is set.
13429 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13431 * fold-const.c (fold_truthop): Make the field reference unsigned
13432 when converting a single bit compare.
13434 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13436 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
13438 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
13440 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
13441 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
13444 * reload.c (push_reload): Do not call remove_address_replacements
13445 when presented with identical optional reloads.
13447 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
13449 * alpha.h (MASK_FIX, TARGET_FIX): New.
13450 (MASK_*): Reorganize constants.
13451 (CPP_AM_FIX_SPEC): New.
13452 (TARGET_SWITCHES): Add FIX.
13453 (EXTRA_SPECS): Likewise.
13454 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
13455 (SECONDARY_MEMORY_NEEDED): Likewise.
13456 (REGISTER_MOVE_COST): Likewise.
13457 * alpha.c (override_options): Add FIX support. Always use
13458 ALPHA_TP_PROG for ev6.
13459 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
13460 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
13461 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
13463 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
13465 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13466 something is a candidate for optimize_bit_field_compare.
13468 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
13470 * gcc.texi (Passes): Document branch-shortening.
13471 * invoke.texi (Debugging Options): Document the fact that `-dp'
13472 outputs length information for instructions.
13474 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
13476 * flow.c: Revert previous delta.
13478 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
13480 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
13481 FRAME_POINTER_REGNUM.
13482 (mark_set_1): Ditto.
13483 (mark_used_regs): Ditto.
13485 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
13487 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
13488 (GOT_PCREL): New macro. Define to 1 if not already defined.
13489 * arm/elf.h (GOT_PCREL): Define to 0.
13490 * arm.c (arm_finalize_pic): Take into account the setting of
13493 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
13495 * output.h (STRIP_NAME_ENCODING): Provide default definition.
13496 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
13498 * flow.c (mark_set_1): Do not record BLKmode stores as dead
13499 store elimination candidates.
13501 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
13503 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
13506 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
13508 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
13509 Add use of x-aix41-gld.
13511 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
13513 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
13514 (ASM_OUTPUT_DESTRUCTOR): Define.
13516 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
13518 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
13519 last CODE_LABEL in a loop if we have previously passed a jump
13520 to the top of the loop.
13522 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
13524 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
13525 applying Philip's patch.
13527 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
13529 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
13532 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
13534 * loop.c (strength_reduce): Grow reg_single_usage as needed.
13536 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
13538 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
13539 Also remove a useless comment.
13541 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13543 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13545 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13547 * collect2.c (main): Only generate import or export file and add
13548 to link arguments if non-empty. Use xmalloc not alloca.
13549 (write_{export,import}_file): Delete.
13550 (write_aix_file): New function.
13551 (locatelib): Use xmalloc not malloc.
13552 (GCC_OK_SYMBOL): Do not check type if aix64.
13554 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
13556 Based on patch by Scott Bambrough and Pat Beirne:
13557 * config/arm/arm.c (making_const_table): New variable.
13558 * config/arm/arm.h (making_const_table): Declare.
13559 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
13561 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
13562 Keep track of when we are building the constant table.
13564 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
13566 * config/arm/arm.c (arm_override_options): Fix erroneous warning
13569 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
13571 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
13574 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
13576 * tm.texi (FUNCTION_ARG): Correct description of a stack element
13579 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
13581 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
13583 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13585 * rs6000.c (output_mi_thunk): Enable full support again.
13587 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13589 * sh.h (BRANCH_COST): Define.
13591 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
13593 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
13595 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
13597 * function.c (assign_stack_local): Align stack slot propertly.
13598 (assign_outer_stack_local): Likewise.
13600 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
13602 * expr.h (lang_expand_constant): Declare.
13603 * toplev.c (lang_expand_constant): Define it.
13604 * varasm.c (output_constant): Use it.
13606 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13608 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
13609 Change function definitions to K&R style.
13611 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13613 * fixinc/fixincl.c: We must not ignore SIGCLD now.
13615 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
13617 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
13618 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
13619 (several places): omit static initialization
13620 (process): use single fd, since only the read fd is used
13621 * fixinc/gnu-regex.c: define 'const' away, if not supported
13622 * fixinc/procopen.c(several places): omit static initialization
13623 * fixinc/server.c: define 'volitile' away, if not supported
13625 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13627 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
13628 asm_fprintf and %L to generate the label name.
13629 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
13630 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
13632 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
13634 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
13635 insn for a conditional jump can not be found.
13637 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
13639 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
13640 on variables in specific sections other than .sbss and .sdata.
13642 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
13644 * stmt.c (expand_return): Call start_cleanup_deferral and
13645 end_cleanup_deferral around conditional code.
13647 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13649 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
13650 filename lists. Utilizes new "krstr" AutoGen function.
13651 * fixinc/fixincl.x: Rebuilt.
13653 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
13655 * i386.c (output_float_compare): Avoid GNU-C extensions.
13657 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
13659 * version.c: Bump to distinguish mainline tree from the
13662 See ChangeLog.1 for earlier changes.