1 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3 * configure.in (configargs.h): Define thread_model.
5 * gcc.c (main): Print it with -v.
7 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
9 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
10 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
13 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
16 is_redundant_typedef): Use static inline instead of inline static.
18 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
20 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
21 this directory is always searched.
23 2001-04-25 Richard Henderson <rth@redhat.com>
25 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
26 of registers to restore along non eh_return path.
28 2001-04-25 Jakub Jelinek <jakub@redhat.com>
30 * c-format.c (check_format_info_recurse): Handle
31 PLUS_EXPR for format string.
33 2001-04-25 Jakub Jelinek <jakub@redhat.com>
35 * config/ia64/ia64.h (CC1_SPEC): Define.
36 * config/ia64/linux.h (CC1_SPEC): Define.
38 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
40 * emit-rtl.c (constant_subword): Also do sign extension in
41 BITS_PER_WORD == 16 case.
43 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
45 * loop.c (try_swap_copy_prop): Go back to checking insn.
47 2001-04-25 Jakub Jelinek <jakub@redhat.com>
49 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
50 if check_mode is non-zero.
52 2001-04-25 Jakub Jelinek <jakub@redhat.com>
54 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
55 out and comparison sequence has been detected, put result into
56 proper temporary pseudo.
58 2001-04-24 Zack Weinberg <zackw@stanford.edu>
60 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
61 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
62 * libgcc2.c: Remove __dummy and __builtin_saveregs.
63 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
64 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
67 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
69 * except.c (reachable_handlers): Step out one level from a RESX.
71 * except.c (struct eh_region): Rename 'last' to 'resume'.
72 (mark_eh_region, duplicate_eh_region_1): Adjust.
73 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
74 (build_post_landing_pads): Likewise.
75 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
76 (expand_eh_region_end_must_not_throw): Likewise.
77 (connect_post_landing_pads): Thread (only) regions with non-deleted
80 * except.c (expand_eh_region_end_cleanup): Save the EH return data
81 registers around the cleanup.
82 (get_exception_filter): New fn.
83 (finish_eh_generation): Use it.
85 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
87 * c-semantics.c (add_scope_stmt): Don't call
88 current_scope_stmt_stack multiple times.
90 2001-04-24 Zack Weinberg <zackw@stanford.edu>
91 Nathan Sidwell <nathan@codesourcery.com>
93 Lazy __FUNCTION__ generation.
94 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
95 RID_C99_FUNCTION_NAME): New _RIDs.
96 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
97 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
98 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
100 (function_id_node, pretty_function_id_node, func_id_node): Remove.
101 (c99_function_name_decl_node, function_name_decl_node,
102 pretty_function_name_decl_node, saved_function_name_decls):
104 (struct language_function): Remove x_function_name_declared_p.
105 (make_fname_decl): Remove a parameter.
106 (declare_function_names): Remove prototype.
107 (start_fname_decls, finish_fname_decls): Prototype.
108 (fname_as_string): Likewise.
109 (fname_string, fname_decl): Likewise.
110 * c-common.c (make_fname_decl): Adjust.
111 (struct fname_var_t): New struct.
112 (fname_vars): New static array.
113 (declare_function_name): Remove.
114 (start_fname_decls, finish_fname_decls): New functions.
115 (fname_as_string): New function from remnants of
116 declare_function_name.
117 (fname_string, fname_decl): New functions.
119 * c-decl.c (c_function_name_declared_p): Remove.
120 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
121 don't call declare_function_name. Call start_fname_decls.
122 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
123 clobber the line number. Call finish_decl.
124 (start_function): Call start_fname_decls.
125 (finish_function): Call finish_fname_decls.
126 Remove c_function_name_declared_p.
127 (push_c_function_context): Don't push c_function_name_declared_p.
128 (pop_c_function_context): Don't pop c_function_name_declared_p.
129 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
130 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
131 (program): Call finish_fname_decls for C.
132 (primary): Add VAR_FUNC_NAME.
133 (reswords): Add slots for __FUNCTION__ et al.
134 (rid_to_yy): Add mappings for __FUNCTION__ et al.
135 (yylexname): If it's a STRING_FUNC_NAME generate the function name
136 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
137 * c-semantics.c (prune_unused_decls): Remove.
138 (finish_stmt_tree): Don't call prune_unused_decls.
139 (genrtl_decl_stmt): Don't prune unused decls here.
141 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
143 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
144 constant pool, use the pool's SYMBOL_REF instead.
146 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
149 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
151 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
152 passing nested NOP_EXPRs to fold.
154 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
156 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
158 2001-04-22 Mark Mitchell <mark@codesourcery.com>
160 * loop.c (loop_delete_insns): Add prototype.
162 2001-04-23 Phil Edwards <pme@sources.redhat.com>
164 * configure.in: Remove ENABLE_STD_NAMESPACE.
165 * config.in: Regenerated.
166 * configure: Regenerated.
168 2001-04-22 Stan Shebs <shebs@apple.com>
170 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
172 * config/rs6000/xm-darwin.h: Remove file.
174 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
177 (write_c_file_stat): Likewise.
179 * dbxout.c (dbxout_init): Likewise.
181 * profile.c (output_func_start_profiler): Likewise.
183 2001-04-22 Philipp Thomas <pthomas@suse.de>
185 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
186 require it instead of the CVS version.
187 * cpperror.c (v_message): Put a blank before the macro
188 body to not confuse exgettext.
190 2001-04-21 Mark Mitchell <mark@codesourcery.com>
192 * flow.c (proagate_one_insn): Remove useless assignment.
193 * jump.c (delete_insn): Tidy.
194 * loop.c (try_copy_prop): When deleting an instruction with a
195 REG_RETVAL note, delete the entire libcall sequence.
196 (loop_delete_insns): New function.
197 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
198 we're not substituting into them yet.
200 2001-04-21 Kazu Hirata <kazu@hxi.com>
202 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
204 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
206 * config/i960/i960.c (signed_arith_operand): Likewise.
208 * calls.c (expand_call): Fix a comment typo.
210 2001-04-20 Zack Weinberg <zackw@stanford.edu>
212 * configure.in: Probe for times, clock, struct tms, and clock_t.
213 * configure, config.in: Regenerate.
214 * timevar.c: Replace ifdef forest in get_time with (relatively)
215 straightforward series of checks based on autoconf's probes.
217 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
219 * config/pa/som.h (NM_FLAGS): Define.
221 2001-04-20 Bernd Schmidt <bernds@redhat.com>
223 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
225 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
226 * ia64.c (nop_cycles_until): New function.
227 (prev_cycle, prev_first, last_issued): New static variables.
228 (ia64_sched_reorder): Additional arg for clock.
229 On final scheduling pass, emit extra NOPs as needed.
230 Set prev_first and prev_cycle.
231 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
232 (ia64_variable_issue): Set last_issued.
234 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
236 * config/i386/i386.c (ix86_expand_int_movcc,
237 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
239 2001-04-20 Geoff Keating <geoffk@redhat.com>
241 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
242 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
243 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
244 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
245 ctrdi_internal6): In the short-branch case, this insn is only 4
246 bytes long. Reported by Reza Yazdani <reza@apple.com>.
248 2001-04-20 Jakub Jelinek <jakub@redhat.com>
250 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
251 "=u" is used together with "st" resp. "st(1)" clobber.
253 2001-04-20 Jakub Jelinek <jakub@redhat.com>
255 * gcse.c (gcse_main): Fix comment typo.
256 (delete_null_pointer_check): Likewise.
257 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
258 * cse.c (cse_insn): Likewise.
259 * function.c (fixup_var_refs_insns_with_hash): The sequence is
262 2001-04-19 Zack Weinberg <zackw@stanford.edu>
264 * toplev.c: Excise all code for the undocumented -dm option.
265 (float_signal): Call signal just once, unconditionally.
267 2001-04-19 Geoff Keating <geoffk@redhat.com>
269 * fold-const.c (fold): Use first_rtl_op rather than
270 TREE_CODE_LENGTH when looping over parameters of a tree.
271 Correct strange grouping in test for evaluated SAVE_EXPR.
273 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
275 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
276 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
278 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
279 name at 32 total characters.
280 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
281 functions in named sections -- data items can still go into unique
282 sections, but they have normal names (ie $LIT$ and $DATA$).
284 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
287 2001-04-19 DJ Delorie <dj@redhat.com>
289 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
290 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
291 * config/i386/cygwin.h: Likewise.
292 * config/i386/mingw32.h: Likewise.
293 * config/vax/vms.h: Likewise.
294 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
296 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
297 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
298 * config/i386/xm-cygwin.h: Likewise.
299 * config/i386/xm-djgpp.h: Likewise.
300 * config/i386/xm-mingw32.h: Likewise.
301 * config/vax/xm-vms.h: Likewise.
303 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
304 instead of OBJECT_SUFFIX.
305 * collect2.c (find_a_file): Look for files matching the extension
306 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
307 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
308 TARGET_EXECUTABLE_SUFFIX.
309 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
310 (make_relative_prefix): Likewise.
311 (convert_filename): Use TARGET_ suffixes throughout. Remove
313 (process_command): Likewise.
314 (do_spec_1): Likewise.
315 * java/lang.c (init_parse): Likewise.
317 * gcc.texi : Document four new options matching the pattern
318 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
319 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
320 documentation for NO_AUTO_EXE_SUFFIX.
322 2001-04-19 Mark Mitchell <mark@codesourcery.com>
324 * toplev.h (struct lang_hooks): Allow decode_option to indicate
325 that language-independent processing should not be done.
326 * toplev.c (main): Adjust accordingly.
328 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
329 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
331 * mips.md (reload_outputdi): Require that operand0 be a
334 2001-04-19 Jakub Jelinek <jakub@redhat.com>
336 * invoke.texi (-Wshadow): Clarify.
338 2001-04-18 Mark Mitchell <mark@codesourcery.com>
340 * loop.c (load_mems): Examine all the instructions in the loop
341 before concluding that all jumps branch to the first instruction
344 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
346 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
348 2001-04-18 Jakub Jelinek <jakub@redhat.com>
350 * cpp.texi (-Wwhite-space): Remove.
351 (-Wall): -Wall does not imply -Wwhite-space.
353 2001-04-17 Zack Weinberg <zackw@stanford.edu>
355 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
356 use it instead of blindly generating a .stabs.
357 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
359 * xcoffout.c: Don't bother defining default for N_CATCH.
360 (UNKNOWN_STAB): Use internal_error.
361 (stab_to_sclass): Remove now-unnecessary aborts.
362 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
364 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
366 * jump.c (mark_all_labels): Canonicalize the tail recursion
367 label attached to CALL_PLACEHOLDER insns.
369 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
371 * output.h (dump_flow_info, free_basic_block_vars,
372 which_alternative): Delete redundant prototypes.
374 * rtl.h (bss_section): Likewise.
376 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
378 * dbxout.c (N_OPT): Define if not available from <stab.h>
380 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
382 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
383 libraries and native K&R compilers.
385 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * c-typeck.c (convert_arguments): Don't check for width changes
390 * invoke.texi (-Wtraditional): Update documentation.
392 2001-04-16 Zack Weinberg <zackw@stanford.edu>
394 * toplev.c (output_lang_identify): Delete.
395 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
396 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
397 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
398 after calling ASM_FILE_END.
400 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
401 Instead, unconditionally emit an N_OPT stab with string equal
402 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
404 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
406 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
407 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
408 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
409 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
410 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
411 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
412 config/i370/i370.h, config/i386/beos-elf.h,
413 config/i386/osf1elf.h, config/i386/osfrose.h,
414 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
415 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
416 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
417 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
418 config/mips/iris6.h, config/mips/osfrose.h,
419 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
420 config/sparc/sp64-elf.h:
421 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
422 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
424 * config/elfos.h, config/freebsd.h, config/linux.h,
425 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
426 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
427 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
428 of ASM_FILE_START which merely emit a .version directive. Delete
429 definitions of ASM_FILE_END which merely emit an .ident directive.
431 * config/avr/avr.h, config/vax/vax.h: Delete definition of
432 ASM_IDENTIFY_GCC and move part of its logic into
435 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
436 config/sparc/linux-aout.h: Don't emit .version directive in
439 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
440 (output_file_start): Correct comment.
442 * config/i386/osfrose.h: Don't emit trailing .ident directive.
443 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
445 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
446 * config/rs6000/aix.h: Correct comment.
448 * config/i386/i386afe.h: Delete.
449 * config.gcc: Remove references to i386afe.h.
451 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
452 other macros deleted by this patch were undocumented.
454 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
456 * pa.md (reload_outdi): Operand 0 must be a non hard register.
458 * pa.c (secondary_reload_class): SAR<->FP copies require a
461 * install.texi (mips-mips-bsd): Update list of functions
462 required to include memmove.
463 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
464 used functions to include memmove.
466 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
468 * i386.md (sqrtdf2): SFmode should be DFmode.
470 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
472 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
473 (find_moveable_store): Likewise.
475 2001-04-15 Jim Wilson <wilson@redhat.com>
477 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
479 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
481 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
482 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
484 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
486 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
489 2001-04-14 Alan Modra <amodra@one.net.au>
491 * pa.c (force_mode): New function.
492 (emit_move_sequence): Use it instead of generating new rtx_REGs.
494 2001-04-13 Jim Wilson <wilson@redhat.com>
496 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
497 (first_instruction): New static variable.
498 (rtx_needs_barrier): Return 1 for alloc.
499 (init_insn_group_barriers): Set first_instruction.
500 (rws_sum): Delete duplicate definition.
501 (group_barrier_needed_p): Return 0 when first_instruction true.
502 (safe_group_barrier_needed_p): Save and restore first_instruction
503 around group_barrier_needed_p call.
505 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
507 * expr.h (enum libfunc_index): Add LTI_memmove.
508 (memmove_libfunc): Define macro.
509 * optabs.c (init_optabs): Initialize memmove_libfunc.
510 * expr.c (expand_assignment): Use memmove_libfunc instead of
513 2001-04-13 Alan Modra <alan@linuxcare.com.au>
515 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
518 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
520 * Makefile.in (reg-stack.o): Depend on reload.h.
521 (insn-attrtab.o): Depend on flags.h.
523 * genattrtab (main): Include flags.h in insn-attrtab.c.
525 * reg-stack.c: Include reload.h.
527 * sparc.h (flag_pic): Delete redundant declaration.
529 * output.h (flag_pic): Likewise.
531 * tree.h (pedantic): Likewise.
533 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
535 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
537 * jump.c, regmove.c, toplev.c: Include reload.h.
539 * reload.h (reload_cse_regs): Declare.
541 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
542 reload_cse_regs, init_reload, mark_home_live, reload,
543 init_caller_save): Delete redundant prototypes.
545 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
549 * regclass.c, ssa.c: Include expr.h.
551 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
552 gen_move_insn): Delete redundant declarations.
554 2001-04-13 Alan Modra <amodra@one.net.au>
556 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
557 PIC_OFFSET_TABLE_SAVE_RTX.
558 (zdepi_cint_p): Describe zdepi insn.
559 Formatting and white space fixes throughout file.
561 * pa.c (uint32_operand): Don't use long constant >= 2^32.
562 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
563 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
564 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
565 (output_64bit_and): Use plain `int's for shift counts.
566 (output_64bit_ior): Likewise.
567 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
568 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
571 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
572 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
573 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
574 NEW_HP_ASSEMBLER into one. Kill warnings.
576 * pa-gas.h: Delete file.
577 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
578 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
579 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
580 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
582 * config/pa/mill32.S: New file.
583 * config/pa/mill64.S: New file.
584 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
585 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
586 * config/pa/t-linux64: New file.
587 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
588 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
589 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
591 * elfos.h (SELECT_SECTION): Undef before defining.
592 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
593 (LIB_SPEC): Remove -lmilli.
594 (DBX_REGISTER_NUMBER): Remove.
595 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
596 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
597 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
598 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
599 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
600 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
601 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
603 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
604 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
605 regs if we don't have a prototype.
606 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
607 * pa.h (TARGET_ELF32): Default to 0 if undefined.
608 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
609 EH_RETURN_HANDLER_RTX): Define.
610 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
611 (DWARF_FRAME_REGNUM): Define.
612 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
613 * pa32-linux.h: New file.
614 * pa64-linux.h: New file.
616 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
617 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
618 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
619 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
620 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
621 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
622 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
623 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
624 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
625 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
626 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
627 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
628 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
629 * pa64-hpux.h: New file.
630 (ASM_FILE_START): Correct typo.
631 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
632 * config.gcc: Modify for above.
634 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
636 * jump.c (jump_optimize_1): Don't delete dead stores here.
637 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
638 prior to running jump optimize before cse2.
640 2001-04-12 Richard Henderson <rth@redhat.com>
642 * Makefile.in (regmove.o): Depend on except.h.
643 * regmove.c: Include it.
645 2001-04-12 Stan Shebs <shebs@apple.com>
647 * objc/objc-act.c: Remove all code ifdefed with the never-used
648 macro OBJC_INT_SELECTORS.
649 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
650 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
652 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
654 * config/pa/quadlib.c: Add prototypes.
656 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
658 * bitmap.h (debug_bitmap): Delete redundant prototype.
660 * rtl.h (get_frame_size): Likewise.
662 2001-04-12 Jim Wilson <wilson@redhat.com>
664 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
665 to just emit an fnorm.
667 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
669 * c-common.h (truthvalue_conversion, type_for_mode,
670 type_for_size): Delete redundant declarations.
672 * c-lex.h (is_class_name): Likewise.
674 * c-tree.h (pedantic, convert, getdecls, gettags,
675 global_bindings_p, init_decl_processing, insert_block,
676 maybe_build_cleanup, poplevel, print_lang_decl,
677 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
678 set_block, incomplete_type_error, build_function_call,
679 lvalue_or_else, mark_addressable): Likewise.
681 * expr.h (expand_tree_builtin): Likewise.
683 2001-04-12 Mark Mitchell <mark@codesourcery.com>
685 * invoke.texi: Document --param max-gcse-memory.
687 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
689 * configure.in (errno): Check for declaration.
690 * configure, config.in: Regenerated.
692 * system.h (errno): Only declare if not already done.
694 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
696 * recog.c (general_operand, immediate_operand,
697 nonmemory_operand): Require CONST_INTs to be sign-extended
698 values for their modes.
700 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
702 * expmed.c (store_bit_field): Truncate CONST_INTs.
703 (expand_mult_highpart, expand_divmod): Likewise.
704 * expr.c (convert_modes, store_field): Likewise.
705 * integrate.c (expand_inline_function): Use promote_mode() to
706 determine whether to convert_modes() an argument as signed
708 * optabs.c (expand_binop): Get CONST_INT operands
709 sign-extended for their appropriate modes.
710 * stmt.c (emit_case_nodes): Convert node values to the
712 (expand_end_case): Convert minval and range to the appropriate
714 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
715 the iteration variable.
716 * varasm.c (immed_double_const): Don't require words to be
717 narrower than host wide ints to properly sign-extend
720 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
722 * sh.md (builtin_setjmp_receiver): New expander.
724 2001-04-12 David Edelsohn <dje@watson.ibm.com>
726 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
727 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
728 for generating CONST_INT and CONST_DOUBLE.
730 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
732 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
733 already sign-extended.
734 (rs6000_emit_prologue): Make register iterator signed.
735 (rs6000_emit_epilogue): Likewise.
736 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
738 (movsf split, movdf split): Sign-extend CONST_INTs.
739 (movdi splits): Likewise.
741 2001-04-12 Kelley Cook <kelley.cook@home.com>
743 * config-lang.in (lang_dirs): Add in zlib.
745 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
747 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
748 operands that make it to RTL.
750 2001-04-11 Stan Shebs <shebs@apple.com>
752 Add Darwin (Mac OS X kernel) native support.
753 * config.gcc (powerpc-*-darwin*): Add native bits.
754 * config/darwin.c: New file, generic Darwin support functions.
755 * config/darwin.h: New file, generic Darwin definitions.
756 * config/darwin-protos.h: New file, generic Darwin prototypes.
757 * rs6000/darwin.h: New file, Darwin for PowerPC.
758 * rs6000/t-darwin: New file, Darwin makefile fragment.
759 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
760 (TARGET_MACHO): Ditto.
761 (rs6000_abi): Add ABI_DARWIN.
762 (RS6000_REG_SAVE): Add ABI_DARWIN case.
763 (RS6000_SAVE_AREA): Ditto.
764 (FP_ARG_MAX_REG): Ditto.
765 (RETURN_ADDRESS_OFFSET): Ditto.
766 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
768 (rs6000_emit_move): Add ABI_DARWIN cases.
769 (print_operand): Ditto.
770 (first_reg_to_save): Ditto.
771 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
772 (debug_stack_info): Ditto.
773 (rs6000_emit_prologue): Ditto.
774 (rs6000_emit_epilogue): Ditto.
775 (output_profiler_hook): Ditto.
776 (output_function_profiler): Ditto.
777 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
778 (output_mi_thunk): Add TARGET_MACHO case.
779 (add_compiler_stub): Ditto.
780 (output_compiler_stub): Ditto.
781 (no_previous_def): Ditto.
782 (output_call): Ditto.
783 (machopic_output_stub): Ditto.
784 (rs6000_machopic_legitimize_pic_address): Ditto.
785 (toc_section): Ditto.
786 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
790 (load_macho_picbase): Ditto.
791 (call): Add TARGET_MACHO case to modify function.
793 (call_nonlocal_sysv): Add ABI_DARWIN case.
794 (call_value_nonlocal_sysv): Ditto.
795 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
797 (machopic_output_stub): Ditto.
798 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
800 2001-04-11 Mark Mitchell <mark@codesourcery.com>
802 * dwarf2out.c (modified_type_die): Don't create new types here.
803 * tree.h (get_qualified_type): New function.
804 (build_qualified_type): Adjust comment.
805 * tree.c (get_qualified_type): New function.
806 (build_qualified_type): Use it.
808 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
810 * cpp.texi (-Wtraditional): Update description.
812 * invoke.texi (-Wtraditional): Likewise.
814 2001-04-11 Jim Wilson <wilson@redhat.com>
816 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
817 requires more than 64 bits of alignment.
819 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
821 * cpplib.c (do_line): Sanity check iff enable checking.
823 2001-04-11 Richard Henderson <rth@redhat.com>
825 * Makefile.in (insn-recog.o): Depend on toplev.h.
826 (insn-emit.o, doloop.o): Likewise.
827 * genrecog.c, genemit.c: Include toplev.h in generated file.
828 * doloop.c: Include toplev.h.
830 2001-04-11 Mark Mitchell <mark@codesourcery.com>
832 * Makefile.in (gcse.o): Depend on params.h.
833 * gcse.c: Include params.h.
834 (gcse_main): Don't do GCSE if doing so will take inordinate
836 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
837 * params.h (MAX_GCSE_MEMORY): New macro.
839 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
841 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
843 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
845 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
849 * real.h (ereal_atof, real_value_truncate, target_isnan,
850 target_isinf, target_negative, assemble_real, debug_real): Delete
851 redundant prototypes.
853 * Makefile.in (ifcvt.o): Depend on toplev.h.
855 * c-semantics.c: Include expr.h.
857 * ifcvt.c: Include toplev.h.
859 * expr.h (rtx_equal_p): Delete prototype.
861 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
862 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
863 eliminate_constant_term, expand_complex_abs, find_single_use,
864 make_tree, init_expr_once, init_optabs, supports_one_only):
867 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
868 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
869 expand_assignment, store_expr, emit_line_note_after,
870 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
872 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
874 * sparc-protos.h: Delete redundant prototypes.
876 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
878 * reload.c (push_reload): Add condition missed in SUBREG byte
881 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
883 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
885 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
887 * i386.md (floatsisf_sse): Fix output template
888 * i386.c (ix86_expand_fp_movcc)
890 * reg-stack.c (emit_pop_insn): Handle complex modes.
891 (move_for_stack_reg): Emit proper move mode.
892 (subst_stack_regs_pat): Handle complex modes.
894 2001-04-11 Jakub Jelinek <jakub@redhat.com>
896 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
898 2001-04-10 Richard Henderson <rth@redhat.com>
900 * libgcc2.h (__terminate_func_ptr): Remove typedef.
901 (__pure_virtual, __terminate, __terminate_set_func,
902 __default_terminate, __throw_type_match, __empty,
903 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
904 __eh_rtime_match, __unwinding_cleanup, __rethrow,
905 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
906 Remove prototypes of deleted functions.
908 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
910 * c-typeck.c (convert_arguments): -Wtraditional now activates
911 -Wconversion warnings, except for changes in signed-ness.
912 Detect complex<->int & int<->complex conversions as well.
914 * invoke.texi (-Wtraditional): Document it.
916 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
918 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
919 * flow.c (set_block_for_new_insns): Remove needless cast and
920 properly check for unset block number.
922 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
924 * function.c (purge_single_hard_subreg_set): Only check REGNO if
925 the subreg was a hard register. Pseudos are left as subregs.
927 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
929 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
930 (LIB2ADD_ST): New macro, pass it to mklibgcc.
931 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
932 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
933 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
935 2001-04-09 Bo Thorsen <bo@suse.co.uk>
937 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
939 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
941 * output.h (set_block_num): Missed it earlier, remove deprecated
944 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
946 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
947 (load_killed_in_block_p): Change bb parameter from int to basic_block.
948 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
949 (handle_rd_kill_set): Change bb parameter from int to basic_block.
950 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
951 (expr_killed_p): Change bb parameter from int to basic_block, pass
952 basic_blocks instead of ints as parameters.
953 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
954 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
955 from int to basic_block, pass basic_blocks instead of ints as parms.
956 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
957 parameter from int to basic_block, pass basic_blocks instead of ints.
958 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
959 (insert_insn_end_bb): Change bb parameter from int to basic_block,
960 pass basic_blocks instead of ints.
961 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
962 basic_blocks instead of ints as parameters.
963 (pre_delete): Pass basic_blocks instead of ints as parameters.
964 (hoist_expr_reaches_here_p): Change bb parameter from int to
965 basic_block, pass basic_blocks instead of ints.
966 (hoist_code): Pass basic_blocks instead of ints as parameters.
967 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
968 Change bb parameter from int to basic_block.
969 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
970 (insert_insn_start_bb): Change bb parameter from int to basic_block,
971 pass basic_blocks instead of ints.
972 (insert_store): Pass basic_blocks instead of ints as parameters.
973 (replace_store_insn, delete_store): Change bb parameter from int to
974 basic_block, pass basic_blocks instead of ints.
975 (store_motion): Pass basic_blocks instead of ints as parameters.
977 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
979 * basic-block.h (set_new_block_for_insns): New Prototype.
980 (set_block_num): Delete prototype.
981 * flow.c (set_block_num): Remove obsolete function.
982 (set_block_for_new_insns): Set BB for single or multiple insns.
983 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
984 (process_insn_end_bb): Use set_block_for_new_insns or
985 set_block_for_insn instead of set_block_num.
986 (pre_insert_copy_insn): Use set_block_for_new_insns.
987 (update_ld_motion_stores): Use set_block_for_new_insns.
988 (insert_insn_start_bb): Use set_block_for_new_insns.
989 (replace_store_insn): Use set_block_for_new_insns.
991 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
992 Jeff Law <law@redhat.com>
994 * alias.c (get_addr): Externalize.
995 (canon_true_dependence): New function. Behaves like true_dependance
996 except it already assumes a MEM has been canonicalized.
997 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
998 * gcse.c (struct ls_expr): Add load/store expressions structure.
999 (modify_mem_list, canon_modify_mem_list): New variable.
1000 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1001 load motion and store motion if requested.
1002 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1003 (free_gcse_mem): Free the modify_mem_list array.
1004 (oprs_unchanged_p): Use load_killed_in_block_p.
1005 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1006 (mems_conflict_for_gcse_p): New function. Don't kill loads
1007 with stores to themselves if its in the load/store expression list.
1008 (load_killed_in_block_p): New function.
1009 (canon_list_insert): New Function.
1010 (record_last_mem_set_info): Keep a list of all instructions which
1011 can modify memory for each basic block.
1012 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1013 (oprs_not_set_p): Use load_killed_in_block_p.
1014 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1015 (expr_killed_p): Use load_killed_in_block_p.
1016 (compute_transp): Do not pessimize memory references.
1017 (pre_edge_insert): Update stores for a load motion expression.
1018 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1019 (ldst_entry): Find or create a ldst_expr structure.
1020 (free_ldst_entry): Free memory for an individual item.
1021 (free_ldst_mems): Free entire load/store expression list.
1022 (print_ldst_list): Print debug info.
1023 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1024 (enumerate_ldsts): Assign integer values to each entry in list.
1025 (first_ls_expr): First expression in the list.
1026 (next_ls_expr): Next expression in the list.
1027 (simple_mem): Check if expression qualifies for ld/st expression list.
1028 (invalidate_any_buried_refs): Remove from expression list if its
1029 used in some other way we dont understand.
1030 (compute_ld_motion_mems): Find all potential enhanced load motion
1032 (trim_ld_motion_mems): Remove any expressions which are invalid.
1033 (update_ld_motion_stores): Copy store values to registers for loads
1034 which have been moved.
1035 (regvec, st_antloc, num_store): New global statics.
1036 (reg_set_info): Marks registers as set.
1037 (store_ops_ok): Verfies registers expressions are valid in a block.
1038 (find_moveable_store): Look for moveable stores in a pattern.
1039 (compute_store_table): Find stores in a function worth moving, maybe.
1040 (load_kills_store): Check dependance of a load and store.
1041 (find_loads): Find any loads in a pattern.
1042 (store_killed_in_insn): Check if a store is killed in an insn.
1043 (store_killed_after): Check is store killed after an insn in a block.
1044 (store_killed_before): Check is store killed before an insn in a block.
1045 (build_store_vectors): Generate the antic and avail vectors.
1046 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1047 (insert_store): Add a store to an edge.
1048 (replace_store_insn): Replace a store with a SET insn.
1049 (delete_store): Delete a store insn.
1050 (free_store_memory): Free memory.
1051 (store_motion): Perform store motion.
1052 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1053 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1054 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1055 (f_options): Add gcse-lm and gcse-sm.
1057 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1059 * i386.c (expand_fp_movcc): Fix condition reversal code.
1061 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1062 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1063 (CLASS_MAX_NREGS): Use it.
1065 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1066 handle properly complex values.
1067 (CLASS_MAX_NREGS): Likewise; update comment.
1069 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1071 * ia64.c (ia64_flag_schedule_insns2): New variable.
1072 (ia64_override_options): Initialize it. Clear
1073 flag_schedule_insns_after_reload.
1074 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1076 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1078 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1079 Do not require source to match destination anymore;
1080 Add abort to the nontrivial cases that should be handled by split.
1081 (fix_trunc?fdi): Add SSE case for x86_64.
1082 (floatdi?f): Likewise.
1083 (floatdi?f_sse): New.
1084 (fix_trunc?fdi_sse): New.
1086 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1088 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1089 (DEBUG_ARANGES_END_LABEL): Ditto.
1090 (dwarfout_init): Generate length and version fields at the start
1091 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1092 after the length field.
1093 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1094 the .debug_aranges info.
1096 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1098 * i386.c (call, call_value): Make sure that resulting call_insn
1099 does have proper second operand.
1101 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1103 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1104 function. Remove include of sys/cygwin.h.
1106 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1108 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1109 (CPP_SPEC): Always search */include/w32api for header files.
1110 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1111 (LINK_SPEC): Add "cyg" to the library search prefixes.
1113 2001-04-08 Philip Blundell <philb@gnu.org>
1115 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1117 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1119 * cpperror.c (print_location): Don't special case <stdin>.
1120 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1121 WARNING, but we don't check if we're in system headers.
1122 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1123 * cpplib.c (do_warning): Warn in system headers.
1125 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1127 * mbchar.c: Include config.h first.
1129 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1131 * config.gcc: Set default for xmake_file at top, not bottom.
1132 Change places that set xmake_file to "none" to set to the
1133 empty string instead, or remove them entirely if there is no
1134 default xmake_file for this cpu_type. Remove references to
1137 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1138 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1139 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1140 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1141 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1142 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1143 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1144 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1145 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1146 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1149 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1150 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1151 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1152 config/mips/x-sysv, config/rs6000/x-aix31:
1153 Just set CLIB to -lld or -lmld, as appropriate.
1155 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1156 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1157 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1158 config/mips/x-iris, config/pa/x-pa:
1159 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1160 OTHER_FIXINCLUDES_DIRS.
1162 * config/i386/x-djgpp: Don't set LN or LN_S.
1163 * config/m88k/x-dolph: Don't define __m88k__.
1164 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1165 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1166 * config/i860/fx2800.h: No need to #undef SVR4.
1168 38 x-host fragments remain, 2 x-cpu.
1170 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1172 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1174 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1176 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1178 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1180 * configure.in: Add check for lstat.
1181 * configure, config.in: Regenerate.
1182 * cppinit.c (append_include_chain): Make empty path ".".
1183 * cpplib.c (do_line): Don't simplify #line paths.
1184 * cppfiles.c (remove_component_p): New function.
1185 (find_or_create_entry): Acknowledge stat () errors during
1186 path simplification.
1187 (handle_missing_header): Don't simplify paths.
1188 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1189 the empty path untouched. Don't leave a trailing '/'.
1191 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1193 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1194 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1196 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1198 * cppfiles.c (open_file): Fail directories silently, but
1199 with an errno of NOENT set.
1200 (read_include_file): Move the common exit code to the sole
1201 caller. Return an int indicating success or failure. Let
1202 open_file handle directories.
1203 (stack_include_file): If read_include_file fails,
1204 push a "null" buffer.
1206 2001-04-05 DJ Delorie <dj@redhat.com>
1208 * function.h (virtuals_instantiated): Declare.
1209 * function.c: (virtuals_instantiated): Make global.
1210 * calls.c (emit_library_call_value_1): Use
1211 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1212 Otherwise, use the stack pointer directly.
1214 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1216 * i386.c (x86_initialize_trampoline): New global function.
1217 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1218 (INITIALIZE_TRAMPOLINE): Move offline.
1219 * i386-protos.h (x86_initialize_trampoline): Declare.
1221 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1223 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1224 (lea_0): Rename to lea_1.
1225 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1226 (lea_general_?): Allow SImodes on TARGET_64BIT
1227 (lea_general_?_zext): New patterns.
1228 (call_1, call_1_rex64): Fix.
1230 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1232 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1234 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1236 * i386.c (function_arg): Return constm1_rtx for last argument.
1237 (ix86_expand_prologue): Update gen_call calls.
1238 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1239 * i386.md (call_pop): Likewise.
1240 (call): Second operand is VOIDmode.
1241 (call_0): Likewise; Support 64bits.
1242 (call_exp): New expander.
1243 (call_1): Get to the sync.
1244 (call_1_exp): New pattern.
1245 (call_value): Support 64bit.
1246 (call_value_exp): New pattern.
1247 (untyped_call): Update gen_call call.
1248 (call_value_pop): Disable for 64bit.
1249 (call_value_0_rex64): New pattern.
1250 (call_value_1_rex64): Likewise.
1252 2001-04-05 Bo Thorsen <bo@suse.de>
1254 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1256 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1258 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1259 satisfies ANY_QI_REG_P.
1261 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1263 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1266 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1269 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1271 * config.gcc: Remove default for xm_file. Clean up local
1272 machine type handling. Remove settings of xm_file to
1273 something that doesn't exist. In the big switch, set xm_file,
1274 don't append to it (the value before the big switch is always
1275 null). Don't force build_xm_file or host_xm_file to have a value.
1276 * configure.in: Remove default for xm_file. Do not special
1277 case $cpu/xm-$cpu.h not existing.
1278 * configure: Regenerate.
1280 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1282 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1283 when folding integer division and modulo operations.
1285 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1287 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1288 instead of DWARF2_ADDR_SIZE for EH addresses.
1289 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1292 2001-04-04 Richard Henderson <rth@redhat.com>
1294 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1295 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1296 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1298 2001-04-04 Richard Henderson <rth@redhat.com>
1300 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1301 * configure: Rebuilt.
1303 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1305 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1306 push insns to delete to it instead of deleting them.
1307 (delete_null_pointer_checks): Delete insns from delete_list after
1308 all delete_null_pointer_checks_1 passes are done.
1310 2001-04-04 Richard Henderson <rth@redhat.com>
1312 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1313 * configure: Rebuilt.
1315 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1317 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1318 * config/romp/xm-romp.h: Delete.
1320 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1322 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1325 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1327 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1328 all labels present in rtx.
1329 (try_split) Call new function for all split insns.
1331 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1333 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1334 sure the change won't be validated.
1336 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1338 * rtl.h (set_noop_p): Declare.
1339 * flow.c (set_noop_p): Move from here ...
1340 * rtlanal.c (set_noop_p): ... to here and enhance.
1341 * cse.c (delete_trivially_dead_insns): Use it.
1342 * gcse.c (hash_scan_set): Likewise.
1343 * jump.c (delete_noop_moves): Likewise.
1344 * recog.c (split_all_insns): Likewise.
1346 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1348 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1349 stack pointer via a LO_SUM. Ditto for setting a temp register
1350 used to save to the stack. Set cfa_temp when setting fp, and
1351 allow matches to cfa_temp in addition to cfa_store when saving
1352 regs. Handle POST_INC and LO_SUM register stores. Document the
1353 changes and errors in rule 12 doco.
1355 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1356 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1357 (load_reg): Move closer to epilogue code.
1358 (DO_FRAME_NOTES): Define to control the following..
1359 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1360 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1362 (hppa_expand_epilogue): Likewise.
1364 2001-04-03 Richard Henderson <rth@redhat.com>
1366 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1367 * configure: Rebuild.
1369 2001-04-03 Richard Henderson <rth@redhat.com>
1371 * rtl.h (LCT_THROW): New.
1372 * calls.c (emit_library_call_value_1): Handle it.
1373 * except.c (connect_post_landing_pads): Use it.
1375 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1377 * gansidecl.h: Delete file.
1378 * configure.in: Change all refs to gansidecl.h to use
1379 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1381 * configure: Regenerate.
1383 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1384 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1385 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1386 Don't include gansidecl.h.
1387 * intl.c, main.c, version.c, fixinc/fixlib.h,
1388 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1391 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1393 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1396 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1398 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1399 config/i386/xm-next.h, config/i386/xm-sco.h,
1400 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1401 config/m88k/xm-m88k.h: Delete.
1403 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1404 * config/romp/xm-romp.h: Don't define bcopy.
1405 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1406 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1408 * config.gcc: Remove references to deleted files.
1410 14 xm-host.h remain, 1 xm-cpu.h.
1412 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1413 David S. Miller <davem@pierdol.cobaltmicro.com>
1414 Andrew MacLeod <amacleod@redhat.com>
1416 Use byte offsets in SUBREGs instead of words.
1418 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1419 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1420 to pass new argument.
1421 (add_stored_regs): Use subreg_regno_offset function.
1422 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1424 (precompute_arguments): Use gen_lowpart_SUBREG.
1425 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1426 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1427 (simplify_set): Rework to use SUBREG_BYTE.
1428 (expand_field_assignment): Use SUBREG_BYTE.
1429 (make_extraction): Use SUBREG_BYTE.
1430 (if_then_else_cond): Use SUBREG_BYTE.
1431 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1432 (gen_lowpart_for_combine): Compute full byte offset.
1433 * cse.c (mention_regs): Use SUBREG_BYTE.
1434 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1435 (canon_hash): Use SUBREG_BYTE.
1436 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1437 (gen_lowpart_if_possible): Formatting.
1438 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1440 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1441 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1442 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1443 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1444 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1445 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1446 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1447 certain invariants about SUBREGs the compiler creates.
1448 (gen_lowpart_SUBREG): New function.
1449 (subreg_hard_regno): New function to get the final register number.
1450 (gen_lowpart_common): Use SUBREG_BYTE.
1451 (gen_imagpart): Spacing nits.
1452 (subreg_realpart_p): Use SUBREG_BYTE.
1453 (gen_highpart): Use SUBREG_BYTE.
1454 (subreg_lowpart_p): Always compute endian corrected goal offset,
1455 even at the byte level, then compare against that.
1456 (constant_subword): New function, pulled out all constant cases
1457 from operand_subword and changed second argument name to offset.
1458 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1459 and call constant_subword to do the work. Return const0_rtx if
1460 looking for a word outside of OP.
1461 (operand_subword_force): Change second arg name to offset.
1462 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1463 (store_split_bit_field): Use SUBREG_BYTE.
1464 (extract_bit_field): Use SUBREG_BYTE.
1465 (extract_split_bit_field): Use SUBREG_BYTE.
1466 (expand_shift): Use SUBREG_BYTE.
1467 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1468 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1469 * flow.c (set_noop_p): Use SUBREG_BYTE.
1470 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1471 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1472 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1474 (optimize_bit_field): Use SUBREG_BYTE.
1475 (purge_addressof_1): Use SUBREG_BYTE.
1476 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1477 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1478 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1479 * gengenrtl.c (special_rtx): Add SUBREG.
1480 * global.c (mark_reg_store): Use SUBREG_BYTE.
1481 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1482 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1483 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1484 final byte offset is congruent to subreg's mode size.
1485 (subst_constants): Use SUBREG_BYTE.
1486 (mark_stores): Use subreg_regno_offset function.
1487 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1488 function and SUBREG_BYTE.
1489 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1490 (reg_is_born): Use subreg_hard_regno.
1491 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1492 endian correction code. Don't combine subregs unless resulting
1493 offset aligns with type. Fix subreg constant extraction for DImode.
1494 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1495 (general_operand): Remove dead mode_altering_drug code.
1496 (indirect_operand): Use SUBREG_BYTE.
1497 (constrain_operands): Use subreg_regno_offset function.
1498 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1499 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1500 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1501 * regs.h (REG_SIZE): Allow target to override.
1502 (REGMODE_NATURAL_SIZE): New macro which target can override.
1503 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1504 on the entire subreg rtx.
1505 (push_reload): Use SUBREG_BYTE in comments and code.
1506 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1507 for hard registers inside subregs.
1508 (operands_match_p): Use subreg_regno_offset.
1509 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1510 containing hard regs.
1511 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1512 corrections when fixing up MEM subregs.
1513 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1514 subreg_regno_offset where appropriate.
1515 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1516 byte endian corrections when fixing up MEM subregs.
1517 (subst_reloads): When combining two subregs, make sure final
1518 offset is congruent to subreg's mode size.
1519 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1520 (refers_to_regno_for_reload_p): Use subreg_regno.
1521 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1522 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1523 correction code for memory subreg fixups.
1524 (forget_old_reload_1): Use subreg_regno_offset.
1525 (choose_reload_regs): Use subreg_regno.
1526 (emit_input_reload_insns): Use SUBREG_BYTE.
1527 (reload_combine_note_store): Use subreg_regno_offset.
1528 (move2add_note_store): Use subreg_regno_offset.
1529 * resource.c (update_live_status, mark_referenced_resources): Use
1530 subreg_regno function.
1531 (mark_set_resources): Use subreg_regno function.
1532 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1533 (subreg_regno_offset, subreg_regno): Define prototypes.
1534 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1535 (gen_lowpart_SUBREG): Add prototype.
1536 * rtl.texi (subreg): Update to reflect new byte offset representation.
1537 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1538 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1539 (reg_overlap_mentioned_p): Use subreg_regno.
1540 (replace_regs); Make sure final offset of combined subreg is
1541 congruent to size of subreg's mode.
1542 (subreg_regno_offset): New function.
1543 (subreg_regno): New function.
1544 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1545 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1546 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1547 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1548 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1549 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1550 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1551 (print_operand): Use SUBREG_BYTE.
1552 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1553 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1554 (arm_reload_out_hi): Use SUBREG_BYTE.
1555 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1556 instead of SUBREG_WORD.
1557 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1558 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1559 SUBREG creation to use byte offset.
1560 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1561 inverted load insns): Fix explicit rtl subregs to use byte
1563 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1564 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1565 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1566 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1567 to use byte offsets.
1568 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1569 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1570 offsets, also make sure it is congruent to SUBREG's mode size.
1571 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1572 unnamed ldob insn): Generate SUBREGs with byte offset.
1573 (zero_extendqihi2): SUBREG's are byte offsets.
1574 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1575 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1576 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1577 zero-extendqisi2): Generate SUBREGs with byte offset.
1578 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1579 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1580 subregs in rtl to use byte offsets.
1581 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1582 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1583 (mips_move_2words): Use subreg_regno_offset.
1584 (mips_secondary_reload_class): Use subreg_regno_offset.
1585 * config/mips/mips.md (DImode plus, minus, move, and logical op
1586 splits): Fixup explicit subregs in rtl to use byte offsets.
1587 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1588 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1589 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1590 rtl to use byte offsets.
1591 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1592 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1593 subregs to use byte offsets.
1594 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1595 Fixup explicit subregs in rtl to use byte offsets.
1596 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1597 and remove byte endian correction code.
1598 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1599 (gen_ashift_hi): Use SUBREG_BYTE.
1600 (regs_used): Use subreg_regno_offset.
1601 (machine_dependent_reorg): Use subreg_regno_offset.
1602 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1603 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1604 (movdf_i4): Subregs are byte offsets now.
1605 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1606 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1607 (REGMODE_NATURAL_SIZE): Override.
1608 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1609 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1611 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1612 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1613 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1614 it is congruent to SUBREG's mode size.
1615 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1617 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1618 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1619 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1620 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1621 * config/v850/v850.c (print_operand, output_move_double): Use
1622 subreg_regno function.
1624 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1626 * configure.in (target_subdir): Use target_alias, not target.
1627 * configure: Rebuilt.
1629 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1631 * config/sh/crti.asm: Fix typos in comments.
1633 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1635 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1636 TARGET_FAST_INDIRECT_CALLS.
1637 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1639 (return_addr_rtx): Short circuit export stub matching when
1640 TARGET_NO_SPACE_REGS.
1641 (output_millicode_call): For out of range calls, make -fPIC
1642 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1643 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1644 * pa.md: Modify length attr calculation of all millicode insns to
1647 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1649 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1650 Require at least 2.11 in the version test. Specifically check
1651 for and reject GAS version 2.10.90.
1652 * configure: regenerate.
1654 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1656 * pa.c (override_options): Remove PIC profiling warning.
1657 (hp_profile_labelno): Delete.
1658 (hp_profile_label_rtx): Delete.
1659 (hp_profile_label_name): Delete.
1660 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1661 (output_function_prologue): Remove profiling code and all tests on
1662 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1663 merge_sp_adjust_with_store can work for PIC and profiling.
1664 (hppa_expand_epilogue): Remove profile_flag test.
1665 (hppa_can_use_return_insn_p): Likewise.
1666 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1667 cater for PROFILE_HOOK.
1668 (hppa_profile_hook): New function.
1669 * pa.h (FUNCTION_PROFILER): Now does nothing.
1670 (PROFILE_HOOK): Define.
1671 (hppa_profile_hook): Declare.
1672 (PROFILE_BEFORE_PROLOGUE): Delete.
1673 (ASM_OUTPUT_REG_PUSH): Delete.
1674 (ASM_OUTPUT_REG_POP): Delete.
1675 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1676 r24. Accept function name operand, and use this and a locally
1677 generated label to calculate pc-rel offset to func start.
1679 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1681 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1682 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1685 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1687 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1688 LO_SUM cases to where they belong.
1690 2001-04-02 Richard Henderson <rth@redhat.com>
1692 * except.h (lang_eh_type_covers): Mark extern.
1693 (lang_eh_runtime_type): Likewise.
1695 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1697 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1698 gengenrtl.c: Wrap generated header in multiple-include guard.
1699 Improve error checking.
1701 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1703 * configure.in: Don't check for putenv.
1704 * configure: Regenerate.
1705 * gcc.c (putenv): Don't define.
1706 * vax/xm-vms.h: Handle putenv.
1708 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1710 * ifcvt.c (noce_emit_move_insn): New.
1711 (noce_try_store_flag, noce_try_store_flag_constants,
1712 noce_try_store_flag_inc, noce_try_store_flag_mask,
1713 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1714 noce_try_abs): Use it.
1715 (noce_process_if_block): Likewise.
1716 For STRICT_LOW_PART, take mode from its SUBREG.
1718 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1720 * fold-const.c (fold): Before optimizing unsigned comparison with
1721 0x7fffffffU, make sure arg0 is integral type.
1723 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1725 * c-tree.texi: Document representation of wide strings.
1727 2001-04-01 Richard Henderson <rth@redhat.com>
1729 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1731 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1733 * i386.md: remove obsoleted comments.
1734 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1735 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1736 fix output template.
1738 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1740 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1742 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1744 * loop.c (load_mems): When generating a load from a pseudo, update
1747 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1749 * i386.c (ix86_split_long_move): Use change address to compensate
1750 stack pointer change in push instruction.
1752 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1754 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1755 instead of rtx_equal_p; fix the output template.
1757 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1759 * i386.c (ix86_expand_setcc): Support 64bit.
1760 (ix86_expand_int_movcc): Likewise.
1761 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1764 * i386.md (allocate_stack_worker): Turn to expander.
1765 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1767 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1769 2001-03-29 Richard Henderson <rth@redhat.com>
1771 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1773 2001-03-28 Matthew Hiller <hiller@redhat.com>
1775 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1778 * MAINTAINERS: Added self.
1780 2001-03-28 Richard Henderson <rth@redhat.com>
1782 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1783 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1785 2001-03-28 Jim Wilson <wilson@redhat.com>
1787 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1790 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1792 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1794 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1797 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1799 2001-03-28 DJ Delorie <dj@redhat.com>
1801 * Makefile.in (stage1_build): Revert CFLAGS patch.
1803 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1805 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1806 when multiplier or multiplicand is zero.
1808 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1810 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1812 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1814 (set_src_needs_barrier): Likewise.
1815 (rtx_needs_barrier): For SET case, use these two functions. Rework
1816 PARALLEL case to handle all inputs before all outputs.
1817 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1818 saw a label and no stop bit since then.
1819 (maybe_rotate, process_epilogue): Add prototypes.
1821 2001-03-28 Richard Henderson <rth@redhat.com>
1823 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1824 not TARGET_TOC for special toc restore handling.
1825 * config/rs6000/rs6000.md (eh_return): Likewise.
1827 2001-03-28 Richard Henderson <rth@redhat.com>
1829 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1830 current_function_calls_eh_return.
1831 (output_function_epilogue): Handle eh_return.
1832 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1833 (EH_RETURN_DATA_REGNO): New.
1834 (EH_RETURN_STACKADJ_RTX): New.
1835 (EH_RETURN_HANDLER_RTX): New.
1836 * config/sparc/sparc.md (call/short branch peepholes): Check
1837 can_throw_internal instead of in_same_eh_region.
1839 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1840 for eh_return data registers.
1841 (rs6000_emit_prologue): Save eh_return data registers.
1842 (rs6000_emit_epilogue): Force inline restores if eh_return.
1843 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1844 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1845 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1846 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1847 the target uses one.
1848 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1849 (return_eh_si, return_eh_di): Remove.
1850 (eh_return): New, from corpse of eh_epilogue.
1851 (eh_set_lr_si, eh_set_lr_di): New.
1853 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1854 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1855 True for pic register if current_function_calls_eh_return.
1856 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1857 Handle eh_return requirements.
1858 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1859 (EH_RETURN_STACKADJ_RTX): New.
1860 * config/i386/i386.md (exception_receiver): Remove.
1861 (eh_return, eh_return_1): New.
1862 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1864 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1865 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1866 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1867 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1868 (EH_RETURN_DATA_REGNO): New.
1869 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1870 * config/alpha/alpha.md (eh_epilogue): Remove.
1871 (exception_receiver): Use $26 for ldgp input.
1872 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1874 2001-03-28 Richard Henderson <rth@redhat.com>
1876 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1877 * except.h: Likewise.
1879 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1880 (LIB2ADDEHDEP): New.
1881 (LIB2FUNCS_EH): Remove.
1882 (LIB2ADD): Remove LIB2ADDEH.
1883 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1884 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1885 (crt{begin,end}[S].o): Likewise.
1886 (except.o): Update includes.
1887 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1888 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1890 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1891 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1892 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1893 * builtins.c (expand_builtin): Implement it.
1894 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1895 * c-common.c (c_common_nodes_and_builtins): Declare it.
1896 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1897 * calls.c (libfunc_nothrow): Remove.
1898 (emit_library_call_value_1): Don't call it.
1899 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1900 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1901 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1902 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1903 (current_funcdef_number): Globalize.
1904 (output_call_frame_info): Emit frame data if an lsda is needed.
1905 Generate augmentation for personality routine. Don't play with
1907 (dwarf2out_begin_prologue): Record funcdef_number.
1908 * dwarf2out.h (current_funcdef_number): Declare.
1909 * expr.c (expand_expr): Update for except.h name changes.
1910 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1911 * expr.h (LTI_throw, LTI_rethrow): Remove.
1912 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1913 (LTI_eh_rtime_match): Remove.
1914 (LTI_unwind_resume, LTI_eh_personality): Add.
1915 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1916 * final.c (final): Don't call check_exception_handler_labels,
1917 init_insn_eh_region, or free_insn_eh_region.
1918 (final_scan_insn): Always emit debug labels for
1919 NOTE_INSN_EH_REGION notes.
1920 * flags.h (flag_new_exceptions): Remove.
1921 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1922 (record_active_eh_regions): Remove.
1923 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1924 Use can_throw_internal.
1925 (find_basic_blocks_1): Likewise.
1926 (move_stray_eh_region_notes): Remove.
1927 (find_label_refs): No eh_return_stub_label.
1928 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1929 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1931 (delete_unreachable_blocks): Don't track deleted handlers.
1932 (flow_delete_block): Use maybe_remove_eh_handler.
1933 (delete_eh_regions): Remove.
1934 (merge_blocks): Don't check for eh region match.
1935 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1936 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1937 (init_propagate_block_info): Disable dead frame store optimization
1938 when current_function_calls_eh_return.
1939 (dump_bb): Don't print eh_beg, eh_end.
1940 * function.c (fixup_var_refs): No catch_clauses.
1941 (expand_function_end): Likewise. Call expand_eh_return before
1942 the return register use. Call sjlj_emit_function_exit_after.
1943 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1944 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1945 * ifcvt.c (dead_or_predicable): Remove eh region check.
1946 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1947 Don't check for EH vs parameters.
1948 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1949 (expand_inline_function): Call duplicate_eh_regions.
1950 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1951 (copy_insn_notes): Remap REG_EH_REGION notes.
1952 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1953 * integrate.h (struct inline_remap): Add local_return_label.
1954 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1955 check_exception_handler_labels, nor exception_optimize.
1956 (find_cross_jump): No EH region check.
1957 * optabs.c (init_optabs): Update for changed eh libfuncs.
1958 * rtl.def (RESX): New.
1959 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1960 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1961 checks. Update for except.h name changes.
1962 (expand_cleanups): Likewise.
1963 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1964 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1965 (compile_file): Call init_eh before init_optabs. Don't
1966 output_exception_table here.
1967 (rest_of_compilation): Call convert_from_eh_region_ranges,
1968 convert_to_eh_region_ranges, output_function_exception_table.
1969 Don't emit_eh_context.
1970 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1971 (EXC_PTR_EXPR): New.
1973 * md.texi (eh_epilogue): Remove.
1974 (eh_return): Document.
1975 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1976 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1978 * eh-common.h: Remove file.
1979 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1980 * libgcc2.c (L_eh): Remove.
1982 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1983 * unwind-dw2-fde.h: New file.
1984 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1985 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1986 * libgcc-std.ver: Update for eh symbols.
1988 2001-03-27 Richard Henderson <rth@redhat.com>
1990 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1991 reduce false positives.
1992 (regmove_optimize): Disable if flag_non_call_exceptions.
1994 * stmt.c (expand_return): Remove always true predicate.
1995 (expand_decl_cleanup_no_eh): Remove dead code.
1997 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1998 barrier code. Add a scheduling barrier if a non-call insn
1999 can throw internally.
2001 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2002 Auto-inc addresses trap only if their base register does.
2004 * except.c (can_throw_internal): Rename from can_throw.
2005 * except.h, resource.c: Update references.
2007 * integrate.c (copy_insn_list): Use returnjump_p.
2008 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2010 * function.h (struct function): Move all boolean valued fields
2011 to single bit fields at the end of the struct.
2013 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2015 Rename asynchronous_exceptions to flag_non_call_exceptions.
2017 * gthr-single.h (UNUSED): New. Distinguish between how C
2018 and C++ mark unused function arguments. Use throughout.
2020 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2021 value to target configuration header.
2022 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2023 * config.in, configure: Rebuild.
2024 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2025 configuration and target defines.
2026 (exceptions_via_longjmp): Remove.
2027 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2028 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2030 * except.h (flag_non_call_exceptions): Move ...
2031 * flags.h: ... here.
2033 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2034 exceptions, put the note on the trapping instruction.
2036 * flags.h (flag_new_exceptions): Remove.
2037 * toplev.c: Don't set it.
2038 * final.c: Don't check it.
2039 * except.c: Provide stub definition.
2041 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2042 (calculate_global_regs_live): Kill call-clobbered registers
2043 across exception edges.
2044 * reg-stack.c (convert_regs_1): Kill the entire target stack
2045 across non-call exception edges.
2047 * flow.c (cleanup_cfg): Take no argument.
2048 * output.h, sibcall.c, toplev.c: Update all calls.
2050 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2052 * configure.in: Don't check for bcopy.
2053 * configure, config.in: Regenerate.
2055 * system.h: Don't define or prototype bcopy, instead poison it.
2057 2001-03-27 Richard Henderson <rth@redhat.com>
2059 * function.c (expand_function_start): Set DECL_REGISTER on
2060 a pseudo used for DECL_RESULT.
2062 * rtl.h (LCT_NORETURN): New.
2063 * calls.c (emit_library_call_value_1): Handle it.
2065 2001-03-27 Stan Shebs <shebs@apple.com>
2067 * objc/objc-act.c (objc_init): Use dump_base_name.
2068 (gen_declaration): Clear the buffer arg.
2069 (gen_declaration_1): New function, body of gen_declaration.
2070 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2071 (gen_method_decl): Ditto, plus always clear buffer arg.
2072 (error_with_ivar): Simplify.
2073 (warn_with_method): Ditto.
2074 (build_message_expr): Don't clear buffers.
2075 (dump_interface): Ditto.
2076 (objc_debug): Ditto.
2077 (build_keyword_selector): Clear the buffer by only zeroing
2079 (objc_implementation_context): Declare.
2080 (start_class): Warn about missing @end.
2081 (finish_objc): Ditto.
2083 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2085 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2087 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * Makefile.in (SYSTEM_H): Define.
2090 Depend on $(SYSTEM_H), not system.h.
2092 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2094 2001-03-27 Jim Wilson <wilson@redhat.com>
2096 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2098 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2099 (process_epilogue): New static function.
2100 (process_set): Call process_epilogue instead of emitting .restore
2102 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2104 * flow.c (struct reg_cond_life_info): New fields orig_condition
2106 (init_propagate_block_info): Set new fields.
2107 (mark_regno_cond_dead): Set and use new fields.
2108 (flush_reg_cond_reg_1): Likewise.
2109 (and_reg_cond, case AND): Check for redundant AND conditions.
2110 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2113 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2115 * cppmacro.c (stringify_arg): Null terminate strings.
2117 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2119 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2120 inclusion style. xm-m68hc11.h no longer exists.
2121 * config/m68hc11/xm-m68hc11.h: Delete file.
2122 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2124 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2125 Don't define GCC_VERSION, N_, or PARAMS; don't include
2126 gansidecl.h or stdio.h. Define inhibit_libc here.
2127 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2128 Delete code conditioned on #if GCC_VERSION == 2095.
2130 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2131 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2132 Delete code conditioned on #if GCC_VERSION == 2095.
2134 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2136 * system.h: Include symcat.h.
2137 (STRINGIFY): Don't define.
2139 * configure.in: Adjust comment.
2141 * builtins.c: Use STRINGX, not STRINGIFY.
2142 * gencheck.c: Likewise.
2143 * gengenrtl.c: Likewise.
2144 * protoize.c: Likewise.
2146 * cpplex.c: Don't include symcat.h.
2147 * cpplib.c: Likewise.
2149 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2151 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2153 * c-typeck.c (digest_init): Fold init expression.
2155 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2157 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2159 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2161 * except.c (eh_regs): Save results of build_pointer_type to a temp
2162 as FUNCTION_VALUE macro may evaluate its args multiple times.
2164 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2166 * c-common.h (DECL_NUM_STMTS): New macro.
2167 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2169 (pushdecl): Likewise.
2170 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2171 * integrate.c (expand_inline_function): Don't check
2173 * print-tree.c (print_node): Don't print it.
2174 * toplev.c (rest_of_compilation): Don't try to inline when
2175 flag_no_inline is on.
2176 * tree.h (DECL_FRAME_SIZE): Remove.
2177 (tree_decl): Adjust accordingly.
2179 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2181 * combine.c (try_combine): Use memcpy, not bcopy.
2183 * genattrtab.c (expand_units): Likewise.
2185 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2187 * i386.md (push mem DI peep2): New.
2188 (mov 0, mov -1 peep2): Handle 64bit.
2189 (lea to arithmetics peep2): Handle 64bit leas.
2190 (rsp arithmetics to push/pop peep2s): New.
2192 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2194 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2196 * i386.c (struct machine_function): Add save_varrargs_registers.
2197 (ix86_save_varrargs_registers): New macro.
2198 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2199 (ix86_expand_prologue): Likewise.
2200 (ix86_emit_epilogue_esp_adjustement): Likewise.
2201 (ix86_expand_epilogue): Likewise.
2202 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2203 (pro_epilogue_adjust_stack_1): New insn.
2204 (pro_epilogue_adjust_stack_rex64): Likewise.
2205 * i386.h (MASK_NO_RED_ZONE): New constant.
2206 (TARGET_RED_ZONE): New macro.
2207 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2208 (RED_ZONE_SIZE): New constant.
2209 (RED_ZONE_RESERVE): New constant.
2211 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2213 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2215 2001-03-25 Kazu Hirata <kazu@hxi.com>
2217 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2220 (umodhi3): Likewise.
2223 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2225 * mkconfig.sh (DEFINES): Handle entries with '='.
2227 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2228 Set xm_defines to MACRO=value instead.
2230 * i370/xm-mvs.h: Delete.
2232 * ns32k/xm-pc532-min.h: Likewise.
2234 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2236 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2238 use ix86_expand_binary_operator
2239 (?sh??i_?): Disable for 64bit.
2240 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2241 * i386.c (shiftdi_operand): New predicate.
2243 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2244 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2245 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2246 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2247 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2248 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2249 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2250 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2251 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2252 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2253 (rotldi3, rotrdi3): New expanders.
2255 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2257 * i386.md (movstrsi): Move offline.
2259 (strmovdi_rex64): New.
2260 (strmov?i): Accept 64bit.
2261 (strmov?i_rex64): New.
2262 (strmov?i_rex_1): New.
2263 (strmov?i_1): Disable for 64bit.
2264 (rep_mov?i_rex64): New.
2265 (rep_mov?i): Disable for 64bit.
2266 (clrstrsi): Move offline.
2267 (strset?i_rex64): New.
2268 (strset?i: Accept 64bit.
2269 (rep_stos?i): Disable for 64bit.
2270 (rep_stos?i_rex64): New.
2271 (strset?i_rex_1): New.
2272 (strset?i_1): Disable for 64bit.
2273 (cmpstrsi): Accept 64bit.
2274 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2275 (cmpstrqi_nz_rex_1): New.
2276 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2277 (strlensi): Move offline.
2279 (strlenqi_1): Disable for 64bit; fix constraints.
2280 (strlenqi_rex_1): New.
2281 * i386.c (ix86_adjust_counter): New static function.
2282 (ix86_zero_extend_to_Pmode): Likewise.
2283 (ix86_expand_aligntest): Likweise.
2284 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2285 (ix86_expand_movstr): New global function.
2286 (ix86_expand_clrstr): New global function.
2287 (ix86_expand_strlen): New global function.
2288 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2289 ix86_expand_strlen): Declare.
2290 (ix86_expand_strlensi_unroll_1): Delete.
2292 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2294 * i386.md (cmpdi): Fix operand predicates.
2295 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2296 cmpdi_1_insn_rex64): New patterns.
2297 (adddi3): Turn to expander.
2298 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2299 (addsi3_carry_zext): New pattern.
2300 (adddi_?_rex64): New patterns and splitters.
2301 (addsi_?_zext): New patterns.
2302 (subsi3_carry_zext): New pattern.
2303 (subdi_?_rex64): New patterns and splitters.
2304 (iorsi_?_zext): New patterns.
2305 (iordi_?_rex64): New patterns and splitters.
2306 (iorsi_?_zext): New patterns.
2307 (iorsi_?_zext_imm): New patterns.
2308 (xorsi_?_zext): New patterns.
2309 (xordi_?_rex64): New patterns and splitters.
2310 (xorsi_?_zext): New patterns.
2311 (negdi*): New patterns.
2312 (one_cmpldi*): Likewise.
2313 (one_cmplsi*_zext, negsi*_zext): Likewise.
2314 (testqi_ext_3_rex64): New pattern.
2316 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2318 * i386-protos.h (ix86_split_long_move): Return void.
2319 * i386.c (ix86_split_to_parts): Handle 64bit target.
2320 (ix86_split_long_move): Likewise.
2321 * i386.md (all calls to ix86_split_long_move): Update.
2323 2001-03-23 Richard Henderson <rth@redhat.com>
2325 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2326 to avoid shadowing arguments.
2328 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2330 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2331 to variable names where DECL_NAME is different from
2332 DECL_ASSEMBLER_NAME.
2334 2001-03-23 Jim Wilson <wilson@redhat.com>
2336 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2337 (assemble_alias): Call make_decl_rtl.
2339 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2341 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2343 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2345 * extend.texi: Document the "java_interface" attribute.
2347 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2349 * mkconfig.sh: Use a subshell with redirected stdout,
2350 instead of closing stdout and confusing commands that run
2351 afterward. Throw away output of cmp.
2353 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2355 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2357 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2359 * i386.md (zero_extendsidi2_32): Break out from ...
2360 (zero_extendsidi2): ... here ; turn to expander.
2361 (zero_extendsidi2_rex64): New.
2362 (extendsidi2_32): Break out from ...
2363 (extendsidi2): ... here ; turn to expander.
2364 (extendsidi2_rex64): New.
2365 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2366 (trunc?f?f splitters): Add 64bit versions.
2368 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2370 * i386.md (pushsi, pushsi2_prologue): Disable.
2371 (pushsi2_rex64): New.
2372 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2373 (movqi_ext_1): Disable for 64bit.
2374 (movqi_ext_1_rex64): New.
2375 (pushdi2_rex64): New pattern, peep2s and splitter.
2376 (pushdi2_prologue_rex64): New pattern.
2377 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2379 (movdi splitters): Disable for 64bit.
2380 (movdi_1_rex64): New pattern, peep2s and splitters.
2381 (swapdi): New pattern.
2382 (pushsf): Disable for 64bit.
2383 (pushsf_rex64): New pattern and splitter.
2384 (pushdf_nointeger): Disable for 64bit.
2385 (pushdf_integer): Handle the 64bit case.
2386 (pushtf): Likewise; update splitters.
2388 2001-03-22 Richard Henderson <rth@redhat.com>
2390 * mkconfig.sh: Include insn-flags.h.
2391 * Makefile.in (CONFIG_H): Include insn-flags.h.
2392 (lots of objects): Remove insn-codes.h and insn-flags.h.
2394 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2395 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2396 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2397 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2398 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2399 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2400 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2401 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2402 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2403 v850/v850.c, vax/vax.c:
2404 Don't include insn-flags.h.
2406 * diagnostic.c, expr.h, reload.c, toplev.c:
2407 Don't include insn-codes.h.
2409 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2410 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2411 c4x/c4x.c, i960/i960.c, mips/mips.c:
2412 Don't include insn-codes.h or insn-flags.h.
2414 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2415 or insn-flags.h in the generated code.
2416 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2417 (main): Forward declare struct rtx_def.
2419 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2421 * invoke.texi (-ffast-math): Remove duplicate line about
2424 * gcc.texi: Remove more obsolete documentation of bugs and
2425 installation problems.
2427 2001-03-21 Kazu Hirata <kazu@hxi.com>
2429 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2432 2001-03-20 Jason Merrill <jason@redhat.com>
2434 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2436 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2437 * varasm.c (CHKR_PREFIX): Likewise.
2439 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2441 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2442 is part of a multi-SET insn.
2444 * cse.c (find_comparison_args): Remove previous change.
2445 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2448 * config/i386/i386.md (conditional_trap): Remove warning.
2450 * recog.c (push_operand): Fix error in last change that caused
2451 undefined symbol on many targets.
2453 * sdbout.c: #include ggc.h.
2454 (sdbout_init): Move to end of file.
2455 Call ggc_add_tree_root for anonymous_types.
2456 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2457 (sdbout_one_type): Use DECL_NAME for field name.
2458 * Makefile.in (sdbout.o): Show includes ggc.h.
2460 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2462 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2463 (override_options): Use properlimits for preferred_stack_boundary.
2464 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2466 (ext_register_operand): Accept DImode.
2467 (load_pic_register): Abort on 64bit.
2468 (gen_push): Use Pmode instead of SImode.
2469 (ix86_save_reg): Pic reg is never used on 64bit.
2470 (ix86_expand_prologue): Likewise.
2471 (ix86_emit_save_regs): Use Pmode instead of SImode.
2472 (legitimate_address_p): Check displacement for 64bit.
2473 (print_operand): Avoid outputting of (%rip) on 64bit.
2474 (print_operand_address): Output (%rip) where possible.
2475 (split_di): Abort on 64bit registers.
2476 (ix86_expand_branch): DImode comparison is simple for x86_64.
2477 (memory_address_length): Recognize memory addresses formed using
2479 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2481 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2483 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2485 * recog.c (push_operand): Recognize new format of push instructions.
2487 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2489 * i386.md (pushqi1): New.
2490 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2491 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2492 x86_64_immediate_operand, x86_64_immediate_operand,
2493 x86_64_zext_immediate_operand): Declare.
2494 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2495 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2496 x86_64_immediate_operand, x86_64_immediate_operand,
2497 x86_64_zext_immediate_operand): define.
2498 * i386.h (PREDICATE_CODES): Add new predicates.
2500 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2502 * i386.md (pophi1, popqi1, pushqi1): Remove.
2504 * expr.c (emit_single_push_insn): New function.
2505 (move_by_pieces): Accept NULL as destination for push instructions.
2506 (gen_push_operand): Kill.
2507 (emit_push_insn): Pass NULL when pushing; avoid updating of
2508 stack_pointer_delta.
2509 * expr.h (gen_push_operand): Kill.
2511 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2513 * rtl.texi (COMPARE): Clarify documentation and reference section
2516 2001-03-20 Stan Shebs <shebs@apple.com>
2518 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2519 (get_object_reference): Ditto.
2520 (error_with_ivar): Use error_with_file_and_line.
2521 (warn_with_method): Use warning_with_file_and_line.
2523 2001-03-20 Tom Tromey <tromey@redhat.com>
2525 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2527 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2529 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2530 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2532 2001-03-20 DJ Delorie <dj@redhat.com>
2534 * Makefile.in (install-libgcc): Pass complete list of variables.
2535 (install-multilib): Ditto.
2537 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2539 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2540 drectve_section, switch_to_section.
2542 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2543 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2544 i386_pe_mark_dllimport.
2546 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2548 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2549 functions i386_pe_*.
2551 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2552 i386_pe_* functions with char * arguments.
2554 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2556 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2558 (movsi_ie): Introduce fpul store.
2560 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2562 * Makefile.in (OBJS): Remove hashtab.o.
2564 2001-03-19 Stan Shebs <shebs@apple.com>
2566 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2567 * c-lang.c (maybe_objc_method_name): Ditto.
2568 * c-tree.h (maybe_objc_method_name): Remove decl.
2570 2001-03-19 Tom Tromey <tromey@redhat.com>
2572 * gcc.c (init_gcc_specs): Fix comment.
2574 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2576 Compute DECL_ASSEMBLER_NAME lazily.
2577 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2578 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2579 (SET_DECL_ASSEMBLER_NAME): Likewise.
2580 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2581 (set_decl_assembler_name): Declare.
2582 (lang_set_decl_assembler_name): Likewise.
2583 * tree.c (lang_set_decl_assembler_name): New variab.e
2584 (set_decl_assembler_name): New function.
2585 (init_obstacks): Set lang_set_decl_assembler_name.
2586 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2587 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2588 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2589 where it's not necessary.
2590 (builtin_function): Likewise.
2591 (finish_decl): Likewise.
2592 * dbxout.c (dbxout_type_methods): Likewise.
2593 * ggc-common.c (ggc_mark_trees): Likewise.
2594 * profile.c (output_func_start_profiler): Likewise.
2595 * varasm.c (make_decl_rtl): Likewise.
2597 * cse.c (find_comparison_args): Update documentation. Fix
2598 mishandling of COMPARE operations.
2600 * tree.def (ABS_EXPR): Add documentation.
2601 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2603 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2605 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2607 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2609 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2610 Remove ia32 linux PIC kludge and move it...
2611 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2613 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2615 * i386.md (absdf2 expander): Fix 64bit case.
2617 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2619 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2621 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2623 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2625 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2627 * README.X11: Remove obsolete file.
2629 2001-03-18 Anthony Green <green@redhat.com>
2631 * config/pj/pj.h: Remove some trailing commas.
2632 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2634 2001-03-18 Richard Henderson <rth@redhat.com>
2636 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2637 * calls.c: ... here.
2638 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2639 defaults for them here.
2641 2001-03-17 Anthony Green <green@redhat.com>
2643 * config/pj/lib1funcs.S: Fix broken comment.
2644 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2647 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2649 * gcc.texi: Remove obsolete information relating to build and
2650 installation problems with enquire or the Pyramid C compiler.
2652 2001-03-17 Richard Henderson <rth@redhat.com>
2654 * dwarf2out.c (queue_reg_save): New.
2655 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2656 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2658 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2659 (cfa, cfa_store, cfa_temp): Make static.
2660 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2662 2001-03-17 Richard Henderson <rth@redhat.com>
2664 * integrate.h (struct inline_remap): Add local_return_label.
2665 * integrate.c (expand_inline_function): Initialize it and emit
2666 it after copy_insn_notes.
2667 (copy_insn_list): Don't store local_return_label here.
2668 (copy_insn_notes): New function split out from copy_insn_list.
2670 2001-03-17 Richard Henderson <rth@redhat.com>
2672 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2673 is generating .debug_line.
2674 (dwarf2out_init): Add main_input_filename to the file table first.
2675 * configure.in (as_dwarf2_debug_line): Test with file number 1
2676 instead of file number 0.
2678 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2680 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2681 (gen_rtx_combine): Deleted; all references changed as appropriate.
2682 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2684 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2686 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2688 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2691 2001-03-16 Jim Wilson <wilson@redhat.com>
2693 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2694 then set it to LOC_REG (79) instead of aborting.
2696 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2698 * gccbug.in: Remove high priority.
2700 2001-03-16 Richard Henerson <rth@redhat.com>
2702 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2703 output with a space instead of deleting it.
2704 * configure: Regenerate.
2706 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2708 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2709 handles the gory details of converting an object file into
2710 something that's safe to grep.
2711 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2712 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2713 newlines at either end of the string we're looking for.
2714 Make 'checking ...' message less stilted.
2715 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2716 ARM in-memory layout and its hypothetical converse. Don't
2717 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2718 HOST_WORDS_BIG_ENDIAN.
2720 * configure.in: Adjust for renamed macro. Move
2721 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2722 * configure, config.in: Regenerate.
2724 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2726 * fixinc/Makefile.in: Set SHELL.
2728 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2730 * fixinc/fixincl.c (fix_with_system): Quote file names before
2731 passing them to shell.
2733 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2735 * Makefile.in: Use fix-header$(build_exeext) instead
2738 2001-03-16 Richard Henderson <rth@redhat.com>
2740 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2741 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2742 (size_of_line_prolog): Remove.
2743 (output_line_info): Compute prologue size via label difference.
2744 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2746 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2747 assembler error when redefining file numbers.
2748 * config.in, configure: Rebuild.
2750 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2751 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2752 (dw2_asm_output_delta_uleb128): Likewise.
2753 (dw2_asm_output_delta_sleb128): Similarly.
2754 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2756 2001-03-16 Michael Meissner <meissner@redhat.com>
2758 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2760 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2762 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2764 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2765 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2766 being unsigned in ISO C and signed in traditional.
2767 (expand_prologue): Ditto.
2768 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2770 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2772 (divsi3,divdi3): Ditto.
2773 (modsi3,moddi3): Ditto.
2774 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2775 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2776 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2779 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2781 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2782 SSE based conditional moves on LTGT/UNEQ conditions;
2783 Canonicalize EQ to NE.
2784 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2785 (sse_mov?fcc_ne): New.
2787 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2789 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2791 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2792 register may be dead.
2794 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2796 * Makefile.in (hash.o): Depend on CONFIG_H.
2798 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2800 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2802 2001-03-15 Richard Henderson <rth@redhat.com>
2804 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2805 (ASM_OUTPUT_DWARF_PCREL): New.
2806 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2808 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2810 * cppfiles.c (stack_include_file): Use MAX of sysp.
2812 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2814 * config.gcc (ia64*-*-hpux*): New case.
2815 * config/ia64/hpux.h: New file for HP-UX support.
2816 * config/ia64/t-hpux: New file for HP-UX support.
2818 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2820 * fixinc/inclhack.def (irix_stdio_va_list): New.
2821 * fixinc/fixincl.x: Rebuilt.
2823 2001-03-15 Richard Henderson <rth@redhat.com>
2825 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2826 if provided by the target.
2827 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2828 (dw2_asm_output_addr): New.
2829 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2830 * dwarf2out.c (output_cfi): Use it for program addresses.
2831 (output_call_frame_info, output_die): Likewise.
2832 (output_aranges, output_line_info): Likewise.
2834 2001-03-15 Bruce Korb <bkorb@gnu.org>
2836 * gcc.c(main): make more rigorous
2837 * collect2.c(main): guard against ignoring SIGCHLD
2838 * protoize.c(main): ditto
2839 * gcc/fixinc/fixincl.c(initialize): ditto
2841 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2843 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2844 (sdbout_parms): Likewise.
2846 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2848 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2849 "widen" a destination that is already wider than a word. Also do
2850 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2852 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2854 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2856 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2858 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2860 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2862 * i960.h (i960_maxbitalignment,
2863 i960_last_maxbitalignment): Declare.
2864 * i960.c (i960_maxbitalignment,
2865 i960_last_maxbitalignment): Make global.
2866 (process_pragma): Delete.
2867 (i960_pr_align, i960_pr_noalign): Move from here ...
2868 * i960-c.c: ... to this new file.
2869 * t-960bare (i960-c.o): New rule.
2870 * t-vxworks960 (i960-c.o): Likewise.
2871 * config.gcc (i960-*-*): Define c_target_objs and
2874 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2876 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2877 without adding in rtx code and mode.
2879 * alias.c (init_alias_analysis): Don't use any rtx whose value
2880 varies as a known value.
2881 Delete a superfluous test.
2883 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2885 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2886 scheduling a stop bit.
2887 (ia64_emit_nops): Correctly handle ASMs.
2889 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2891 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2893 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2895 * cpp.texi: Update documentation for -include and -imacros.
2896 * cppfiles.c (struct include_file): Remove "defined" memeber.
2897 (find_or_create_entry): Make a copy of the file name, and
2899 (open_file): Update to ensure we use the simplified filename.
2900 (stack_include_file): Don't set search_from.
2901 (cpp_included): Don't simplify the path name here.
2902 (find_include_file): New prototype. Call search_from to
2903 get the start of the "" include chain. Don't simplify the
2905 (_cpp_execute_include): New prototype. Move diagnostics to
2906 do_include_common. Update.
2907 (_cpp_pop_file_buffer): Don't set defined.
2908 (search_from): New prototype. Use the preprocessor's cwd
2909 for files included from the command line.
2910 (read_name_map): Don't simplify the pathname here.
2911 * cpphash.h (enum include_type): New.
2912 (struct buffer): Delete search from. New search_cached.
2913 (_cpp_execute_include): Update prototype.
2914 * cppinit.c (do_includes): Use _cpp_execute_include.
2915 * cpplib.c (do_include_common): New function.
2916 (do_include, do_include_next, do_import): Use it.
2918 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2920 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2921 contents of the RTL, to determine the name of the object.
2923 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2925 * tree.h (DECL_RTL): Allocate RTL lazily.
2926 (SET_DECL_RTL): New macro.
2927 (DECL_RTL_SET_P): Likewise.
2928 (COPY_DECL_RTL): Likewise.
2929 (DECL_RTL_IF_SET): Likewise.
2930 * varasm.c (make_decl_rtl): Add assertions about the kind of
2931 declaration we are processing.
2932 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2933 (start_decl): Likewise.
2934 (finish_decl): Likewise.
2935 * c-semantics.c (emit_local_var): Likewise.
2936 * calls.c (expand_call): Likewise.
2937 * dbxout.c (dbxout_symbol): Likewise.
2938 * emit-rtl.c (unshare_all_rtl): Likewise.
2939 (unshare_all_decls): Likewise.
2940 (reset_used_decls): Likewise.
2941 * expr.c (store_constructor): Likewise.
2942 (safe_from_p): Likewise.
2943 (expand_expr): Likewise.
2944 * function.c (put_var_into_stack): Likewise.
2945 (instantiate_decls_1): Likewise.
2946 (assign_parms): Likewise.
2947 (expand_function_start): Likewise.
2948 (expand_function_end): Likewise.
2949 * ggc-common.c (gcc_mark_trees): Likewise.
2950 * integrate.c (function_cannot_inline_p): Likewise.
2951 (copy_decl_for_inlining): Likewise.
2952 (expand_inline_function): Likewise.
2953 (integrate_parm_decls): Likewise.
2954 (integrate_decl_tree): Likewise.
2955 * print-tree.c (print_node): Likewise.
2956 * reg-stack.c (stack_result): Likewise.
2957 * stmt.c (label_rtx): Likewise.
2958 (expand_return): Likewise.
2959 (expand_decl): Likewise.
2960 (expand_decl_cleanup): Likewise.
2961 (expand_anon_union_decl): Likewise.
2962 * toplev.c (check_global_declarations): Likewise.
2963 (rest_of_decl_compilation): Likewise.
2964 * tree.c (simple_cst_equal): Likewise.
2965 * objc/objc-act.c (generate_static_references): Likewise.
2967 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2969 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2970 gcc_AC_C_FLOAT_FORMAT): New macros.
2971 * configure.in: Add AC_PROG_CPP after CC tests;
2972 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2973 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2974 * configure, config.in: Regenerate.
2976 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2977 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2978 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2979 config/i370/xm-linux.h, config/i370/xm-oe.h,
2980 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2981 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2982 config/pa/xm-linux.h, config/pa/xm-pa.h,
2983 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2984 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2985 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2986 config/we32k/xm-we32k.h: Delete.
2988 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2989 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2990 config/vax/xm-vms.h: Don't define any of:
2991 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2993 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2995 * config.gcc: Remove references to deleted files.
2996 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2997 FATAL_EXIT_CODE, which is the same between oe and mvs).
2999 2001-03-14 DJ Delorie <dj@redhat.com>
3000 Vladimir Makarov <vmakarov@redhat.com>
3002 * config/i960/i960.c (i960_function_prologue): Compute size of
3003 frame according to number of registers actually saved there.
3005 2001-03-14 Richard Henderson <rth@redhat.com>
3007 * expr.c (emit_move_insn_1): Fix else if around #endif.
3009 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3012 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3015 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3017 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3018 (override_options): Parse cmodel string.
3019 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3020 * i386.h (TARGET_OPTIONS): Add "cmodel".
3021 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3023 (ix86_cmodel_string, ix86_cmodel): Declare.
3025 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3028 * i386.h (GENERAL_REG_P): Add missing REG_P.
3030 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3032 * configure.in: Use $gcc_cv_as instead of $as.
3033 * configure: Regenerated.
3035 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3037 * cppfiles.c (stack_include_file): Only increase the include
3038 count if we actually process the file properly, as opposed
3039 to treating it as length zero. Only call read_include_file
3040 if not DO_NOT_REREAD. Handle the -H include file output
3042 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3043 (cpp_included, find_include_file): Simplify pathnames after
3044 remapping them. If remapping, don't use the remapped file
3045 name's buffer as our scratch buffer.
3046 (cpp_pop_file_buffer): Replace the multiple include macro
3047 only if it isn't yet set.
3048 (read_name_map): Simplify remapped names when reading in.
3049 (remap_filename): Move code to code path that uses it.
3050 (_cpp_simplify_pathname): Return the input pointer.
3051 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3053 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3055 * expr.c (expand_expr): Revove bogus conditional.
3057 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3059 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3061 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3063 * reg-stack.c (stack_result): Unconditionally use
3064 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3066 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3068 * expr.c (emit_move_insn_1): Split push of complex value when
3069 no suitable push instruction exist.
3071 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3072 instead of QI_REG_P.
3074 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3076 * alias.c (handled_component_p, can_address_p): New functions.
3077 (get_alias_set): Use them.
3079 2001-03-13 Jim Wilson <wilson@redhat.com>
3081 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3082 from 80 in try_locals code.
3083 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3085 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3087 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3088 gcc_AC_C_LONG_LONG): New.
3089 * configure.in: Use them. Probe the size of short, int, long,
3090 and long long/__int64 if we have them. Move all the AC_C_*
3091 checks together, except gcc_AC_C_CHAR_BIT which has to go
3092 after AC_CHECK_HEADERS(limits.h).
3093 Take hwint.h out of host_xm_file and build_xm_file.
3095 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3096 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3097 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3098 Move the HOST_WIDEST_INT setup logic here from system.h.
3099 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3101 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3102 is now handled by hwint.h.
3104 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3105 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3106 config/ia64/xm-ia64.h: Don't define any of:
3107 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3108 HOST_BITS_PER_LONGLONG.
3110 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3111 config/h8300/xm-h8300.h, config/mips/iris6.h,
3112 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3113 config/sparc/xm-sp64.h: Delete.
3114 * config.gcc: Remove references to deleted files.
3116 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3117 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3118 * config/i370/xm-linux.h: Clarify floating-point situation in
3121 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3123 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3124 (find_include_file): Decide here which part of the include
3125 chain to start the search. Complain about an empty include
3126 chain in all cases apart from an abolsute file name.
3127 (_cpp_execute_include): Don't choose the search chain here.
3128 Don't call handle_missing_include in the case of an empty
3130 (_cpp_compare_file_date): Don't choose the search chain here.
3131 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3132 here from _cpp_execute_include. Behave like #include if
3133 we're in the main file.
3135 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3137 * system.h (malloc, realloc, calloc, strdup): Only poison these
3138 tokens when IN_GCC is defined.
3140 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3142 * i386.md (abs?f expander): Support SSE case.
3143 (abd?f_if): Add new "USE"; add splitters.
3145 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3147 * cpp.texi (poison): Explain the macro expansion exception.
3149 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3151 * expr.c (store_expr): Add dont_store_target. If temp is already in
3152 target before copying to reg, don't store it into target again.
3154 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3156 * cppinternals.texi: Update for file handling.
3158 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3160 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3161 2001-02-24 which broke building the Java library.
3162 * function.c (identify_blocks): Likewise.
3163 (all_blocks): Likewise.
3164 * integrate.c (integrate_decl_tree): Likewise.
3165 * print-tree.c (print_node): Likewise.
3166 * tree.h (BLOCK_NUMBER): Likewise.
3167 (struct tree_block): Likewise.
3169 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3171 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3172 __WCHAR_TYPE__ definition.
3173 (WCHAR_TYPE_SIZE): #undef before #define.
3175 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3177 * cppfiles.c: Update comments.
3178 (destroy_include_file_node): Rename destroy_node.
3179 (find_or_create_entry): New function.
3180 (open_file, _cpp_fake_include): Use it.
3181 (handle_missing_header): New function, broken out of
3182 _cpp_execute include. Don't segfault if there is no
3183 system or quoted path.
3184 (_cpp_execute_include): Use handle_missing_header.
3186 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3188 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3189 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3191 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3193 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3194 unless anti_dependence says they are.
3195 * alias.c (objects_must_conflict): If neither has a type specified,
3198 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3199 David Billinghurst <David.Billinghurst@riotinto.com>
3201 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3203 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3205 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3206 (*_one_bit): Remove type on the match_operand in attributes.
3208 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3210 * i386.c: Commit forgotten hunk in previous patch.
3211 (regclass_map): Add extended registers.
3212 (dbx_register_map): Add missing frame register.
3214 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3216 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3218 * i386.md (x86_sahf_1): Disable for 64bit.
3219 (popsi*, pophi*): Likewise.
3220 (pushqi, pushhi): Likewise.
3221 (movdi, pushdi): Likewise.
3222 (zero extend DImode splitter): Likewise.
3223 (adddi, minusdi splitter): Likewise.
3224 (umulsidi): Likewise.
3226 (mulsidi): Disable for 64bit
3227 (lshift:DI/ashift:DI): Disable for 64bit.
3228 (loop patterns): Likewise.
3229 (call_pop, call_value_pop expanders and patterns): Likewise.
3230 (prologue_get_pc): Likewise.
3232 (fcmovDI pattern and splitter): Likewise.
3233 (movdfcc_1_rex64): New.
3235 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3237 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3238 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3239 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3240 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3241 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3242 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3243 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3244 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3245 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3246 (REGPARM_MAX): Set to 6 for x86_64.
3247 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3248 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3251 * (patterns that does use upper halves): Update constraints
3252 'q' to 'Q' and 'r' to 'R'.
3253 (cmpqi_ext_1): Disable for 64bit.
3254 (cmpqi_ext_3_insn): Likewise.
3255 (movqi_extzv_1): Likewsie.
3256 (addqi_ext_1): Liekwsie
3257 (testqi_ext_1): Liekwsie
3258 (andqi_ext_1): Liekwsie
3259 (xorqi_ext_1): Liekwsie
3260 (cmpqi_ext_1_rex64): New.
3261 (cmpqi_ext_3_insn_rex64): Likewise.
3262 (movqi_extzv_1_rex64): Likewsie.
3263 (addqi_ext_1_rex64): Liekwsie
3264 (testqi_ext_1_rex64): Liekwsie
3265 (andqi_ext_1_rex64): Liekwsie
3266 (xorqi_ext_1_rex64): Liekwsie
3268 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3270 * configure.in: Move check for unsigned enumerated bitfields
3271 to macro in aclocal.m4. Disable it for now.
3272 * configure, config.in: Regenerate.
3273 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3274 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3275 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3276 kind above its first use.
3278 * config/xm-interix.h, config/alpha/xm-alpha.h,
3279 config/i370/xm-linux.h, config/i386/xm-beos.h,
3280 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3281 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3282 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3283 Don't define ONLY_INT_FIELDS under any circumstances.
3285 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3287 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3288 config/sparc/xm-sysv4.h: Delete - now identical with some
3290 * config.gcc (hppa targets): Replace xm-pahpux.h and
3291 xm-papro.h with implicit xm-pa.h.
3292 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3295 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3297 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3298 before reload_cse_noop_set_p.
3300 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3302 * config.gcc: Where xm-host.h used to include another
3303 xm-host.h, list the nested header directly in xm_file. Remove
3304 references to deleted files. Can now use sparc/xm-sp64.h for
3307 * config/xm-linux.h, config/arm/xm-linux.h,
3308 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3309 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3310 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3311 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3312 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3315 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3316 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3317 bother to wrap #undef in #ifdef.
3318 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3319 Don't include xm-linux.h.
3320 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3322 * configure.in: Wrap regexps using [] in changequote block.
3323 Use expr : not echo | grep. Simplify regexps.
3324 * configure: Regenerate.
3326 56 xm-files remain, 22 xm-arch.
3328 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3330 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3331 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3332 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3333 (copy_object): Fix format specifier vs argument mismatch.
3335 * mips-tdump.c: Make local functions static.
3336 (rindex): Don't #undef.
3337 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3338 (fatal, fancy_abort): Delete.
3339 (read_seek): Avoid signed/unsigned compare.
3341 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3343 * combine.c (try_combine): Fix error in change to try original
3345 (gen_rtx_combine): Do same as gen_rtx for now.
3347 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3349 * configure.in: AC_SUBST xm_defines.
3350 * configure: Regenerate.
3351 * Makefile.in: Set DEFINES=$(xm_defines) when building
3354 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3356 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3357 (cpp_included, find_include_file): Update.
3358 (_cpp_compare_file_date): Make else unconditional.
3360 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3362 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3364 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3366 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3367 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3369 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3371 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3372 if it's a record type.
3374 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3376 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3377 mingw includes slightly.
3379 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3381 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3382 #undef token before poisoning it.
3384 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3386 * alpha.c (check_float_value): Use memcpy, not bcopy.
3388 * m32r.c (m32r_sched_reorder): Likewise.
3390 * vax.c (check_float_value): Likewise.
3392 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3394 * toplev.c (file_name_nondirectory): Remove.
3395 * toplev.h: Similarly.
3396 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3397 of file_name_nondirectory.
3399 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3401 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3402 * mips-tfile.c: Don't #undef rindex; not used.
3404 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3406 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3407 (dbx64_register_map): Declare.
3408 (RETURN_ADDR_RTX): Fix for 64bit.
3409 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3410 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3411 * i386.c (dbx64_register_map): New global array.
3412 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3413 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3416 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3418 * cppfiles.c (search_from): Use lbasename.
3419 * mkdeps.c (deps_add_default_target): Use lbasename.
3421 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3424 xcalloc in lieu of malloc, realloc & calloc.
3426 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3428 * gengenrtl.c (xmalloc): Likewise.
3430 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3431 really_call_* memory allocation routines.
3433 * stmt.c (check_for_full_enumeration_handling): Use
3434 really_call_calloc, not calloc.
3436 * system.h (really_call_malloc, really_call_calloc,
3437 really_call_realloc): Define.
3438 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3440 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3442 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3444 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3446 * configure: Rebuilt.
3447 * configure.in: Only use `lang_requires' for languages athat are
3450 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3452 * invoke.texi: Fix typo.
3453 * gcc.1: Regenerate.
3455 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3457 * configure.in: Prune nonexistent files from build_xm_file,
3458 xm_file, and host_xm_file lists. Warn unless they're
3460 Don't generate *config.h here.
3461 AC_SUBST all variables needed to generate *config.h.
3462 * configure: Regenerate.
3463 * mkconfig.sh: New helper script, from code removed from
3465 * Makefile.in: Zap all MALLOC variables - no longer used
3466 anywhere, and malloc.c doesn't exist.
3467 Substitute in variables needed to generate *config.h.
3468 Stop lying about the dependencies contained in CONFIG_H and
3470 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3471 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3472 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3473 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3474 $(TM_P_H), etc. as appropriate.
3476 * config.gcc: Zap references to deleted files.
3477 * ggc-none.c: Don't include rtl.h or tm_p.h.
3479 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3480 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3481 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3482 config/i386/xm-linux.h, config/i386/xm-linux.h,
3483 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3484 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3485 Don't include i386/xm-i386.h.
3487 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3488 config/i386/xm-i386.h, config/i860/xm-i860.h,
3489 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3490 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3491 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3492 Delete (empty except comments, #includes of other deleted
3493 files, and macros used nowhere).
3495 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3497 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3498 independent on TARGET_FLAGS.
3500 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3504 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3506 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3508 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3509 LAST_REX_SSE_REG): define.
3510 (enum reg_class): Add 'LEGACY_REGS'
3511 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3512 (SSE_REGNO_P): Recognize extended registers.
3513 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3514 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3515 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3516 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3517 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3518 REG_OK_FOR_STRREG_P): Remove.
3519 (HI_REGISTER_NAMES): Add extended registers.
3520 (ADDITIONAL_REGISTER_NAMES): Likewise.
3521 (QI_REGISTER_NAMES): Add 8bit extended registers.
3522 (DEBUG_REG): Support extended registers.
3523 * i386.c (regclass_map): Add extended registers.
3524 (dbx_register-map): Likewise.
3525 (svr4_dbx_register_map): Likewise.
3526 (print_reg): Support extended registers.
3527 (print_operand): Support 64bit operands.
3529 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3531 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3532 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3533 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3534 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3535 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3536 STACK_BOUNDARY): Set properly for 64bits.
3537 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3538 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3539 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3540 (MOVE_MAX): Set to 16.
3541 (MOVE_MAX_PIECES): 8 for 64bit.
3542 (Pmode): Set to SImode.
3544 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3546 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3548 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3550 * i386.h (mask_64bit): New constant.
3551 (target_64bit): New macro.
3552 (target_options): Add '64'/'32'
3553 (target_default): Define.
3554 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3555 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3556 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3558 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3560 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3562 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3564 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3565 LO_SUM unless for_alias is set.
3567 2001-03-08 Stan Shebs <shebs@apple.com>
3569 * objc/objc-act.c: Fix old typos in comments, add comments for
3571 (hash_init): Fix file name in error message.
3572 (hash_enter): Ditto.
3573 (hash_add_attr): Ditto.
3574 (continue_class): Ditto.
3576 2001-03-08 Bruce Korb <bkorb@gnu.org>
3578 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3579 wait4() can receive the signal.
3581 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3583 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3585 * fixinc/fixincl.x: Regenerate.
3587 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3589 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3591 * fixinc/fixincl.x: Regenerate.
3593 2001-03-08 Richard Henderson <rth@redhat.com>
3595 * configure.in (HAVE_AS_LEB128): New assembler check.
3596 * configure, config.in: Rebuilt.
3598 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3600 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3603 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3605 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3606 references to the MAXPATHLEN macro.
3608 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3609 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3612 * config/i386/xm-gnu.h, config/xm-gnu.h,
3613 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3614 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3615 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3616 and/or unused files.
3618 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3619 doing so in various xm-*.h files.
3621 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3623 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3625 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3627 * configure.in (enable_shared): Support per-package shared-library
3629 * configure: Rebuilt.
3631 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3633 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3634 for crnot. Set operands[5] in splitter.
3636 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3638 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3639 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3640 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3641 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3642 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3643 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3644 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3647 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3648 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3649 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3650 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3651 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3652 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3653 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3654 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3655 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3656 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3657 Delete unused and/or empty files.
3659 * config.gcc: Define USG in xm_defines as appropriate. Define
3660 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3661 macro. Remove deleted xm-* files from $xm_files variable.
3663 2001-03-07 Tom Tromey <tromey@redhat.com>
3665 * configure: Rebuilt.
3666 * configure.in: Allow config-lang.in to set `lang_requires' to list
3667 of other required languages.
3669 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3671 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3673 (output_prologue): Use xmalloc not oballoc.
3674 (output_epilog): Free a29k_first_epilogue_insn when finished.
3675 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3677 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3679 * builtins.c (expand_builtin_mathfn): Check
3680 flag_unsafe_math_optimizations, not flag_fast_math.
3681 (expand_builtin): Likewise
3682 * combine.c (combine_simplify_rtx): Likewise.
3683 (simplify_if_then_else): Likewise.
3684 * cse.c (fold_rtx): Likewise.
3685 * flags.h: Remove flag_fast_math. Add
3686 flag_unsafe_math_optimizations and flag_trapping_math.
3687 * fold-const.c (negate_expr): Check
3688 flag_unsafe_math_optimizations, not flag_fast_math.
3689 (invert_truthvalue): Likewise.
3690 (fold): Likewise. Before associating operands, check that
3691 code == MULT_EXPR, not code != MULT_EXPR.
3692 * ifcvt.c (noce_try_minmax): Check
3693 flag_unsafe_math_optimizations, not flag_fast_math.
3694 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3695 * invoke.texi: Document -funsafe-math-optimizations and
3696 -fno-trapping-math. Change documentation for -ffast-math.
3697 * jump.c (reversed_comparison_code_parts): Likewise.
3698 (rtx_equal_for_thread_p): Likewise.
3699 * optabs.c (emit_conditional_move): Likewise.
3700 * simplify-rtx.c (simplify_binary_operation): Likewise.
3701 (simplify_relational_operation): Likewise.
3702 (simplify_ternary_operation): Likewise.
3703 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3704 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3705 Add trapping-math and unsafe-math-optimizations entries to f_options.
3706 (set_fast_math_flags): New, sets flags for -ffast-math.
3707 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3708 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3709 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3711 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3712 (alpha_emit_conditional_move): Initialize local_fast_math to
3713 flag_unsafe_math_optimizations, not flat_fast_math.
3714 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3715 instead of setting flag_fast_math to 1.
3716 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3718 * config/i386/i386.c (override_options): Likewise
3719 * config/i386/i386.md: Likewise.
3720 * config/m68k/m68k.md: Likewise.
3721 * config/mips/mips.md: Likewise.
3722 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3723 (rs6000_generate_compare): Likewise.
3725 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3727 * Makefile.in: Set RANLIB to @RANLIB@.
3730 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3732 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3733 * fixinc/fixincl.x: Regenerated.
3735 2001-03-07 Richard Henderson <rth@redhat.com>
3737 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3739 2001-03-07 Richard Henderson <rth@redhat.com>
3741 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3742 of block notes and exception handling notes.
3744 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3745 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3746 (compile_file): ... here.
3748 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3750 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3752 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3753 config.h now. Include libiberty.h to handle alloca.
3755 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3757 * c-parse.in (yylexname): New function, split out of _yylex.
3758 (objc_rid_sans_at): New table.
3759 (init_reswords): Initialize it.
3760 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3761 retrieving the next token and checking it for significance as
3762 an ObjC keyword or string constant.
3764 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3765 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3767 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3770 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3772 * config/m68k/m68k.c (const_uint32_operand): Accept any
3773 const_int on a 32-bit host.
3775 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3777 * objc/objc-act.c (init_objc): Set save_lang_status,
3778 restore_lang_status, and mark_lang_status.
3780 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3782 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3784 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3786 * cppinternals.texi: Update.
3788 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3790 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3791 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3792 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3793 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3794 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3795 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3796 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3797 config/i386/xm-i386.h, config/i860/xm-i860.h,
3798 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3799 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3800 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3801 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3802 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3803 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3804 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3805 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3806 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3807 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3808 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3809 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3810 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3811 match the defaults provided in hwint.h.
3813 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3814 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3816 * config.gcc (xm_file): Don't set to files which are deleted.
3818 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3819 guard this file against these macros being undefined.
3821 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3823 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3824 and DECL_DEFER_OUTPUT on the decl we create, before calling
3825 rest_of_decl_compilation.
3827 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3829 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3831 * configure, config.in: Regenerate.
3832 * config.gcc: Remove references to deleted files.
3834 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3835 genrecog.c, rtl.c: Do not use alloca anywhere.
3837 * Makefile.in, build-make, system.h, config/x-interix,
3838 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3839 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3840 config/arc/xm-arc.h, config/arm/xm-arm.h,
3841 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3842 config/h8300/xm-h8300.h, config/i370/x-oe,
3843 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3844 config/i386/x-ncr3000, config/i386/x-sco5,
3845 config/i386/xm-dgux.h, config/i860/x-sysv4,
3846 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3847 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3848 config/m68k/x-hp320g, config/m69k/x-mot3300,
3849 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3850 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3851 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3852 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3853 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3854 config/mips/x-iris, config/mips/x-iris3,
3855 config/mips/x-sni-svr4, config/mips/x-sysv,
3856 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3857 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3858 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3859 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3860 config/pa/xm-papro.h, config/romp/xm-romp.h,
3861 config/rs6000/x-aix31, config/rs6000/x-aix41,
3862 config/rs6000/x-beos, config/rs6000/x-lynx,
3863 config/rs6000/x-mach, config/rs6000/x-rs6000,
3864 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3865 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3866 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3867 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3868 config/vax/xm-vms.h: Eradicate all references to alloca and
3871 * config/xm-alloca.h, config/clipper/x-clix,
3872 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3873 config/i860/x-sysv3, config/m88k/x-sysv3,
3874 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3875 (contained only alloca related hacks).
3877 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3880 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3882 * invoke.texi: Document __FAST_MATH__.
3884 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3886 * crtstuff.c: Restore include of auto-host.h.
3888 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3890 Put main() in a separate file, so that the language
3891 front-end can use a different main().
3894 * toplev.c: (main): Rename as toplev_main.
3895 * toplev.h: Declare toplev_main.
3896 * Makefile.in (OBJS): add toplev.o.
3897 (BACKEND): remove toplev.o, add main.o.
3899 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3901 * cppfiles.c (search_from): Special case the empty string.
3903 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3905 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3906 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3907 strlen or strcpy; we already know the length.
3908 (_cpp_compare_file_date): Similarly.
3909 * cpphash.h (struct cpp_reader): Delete done_initialising.
3910 (CPP_PREV_BUFFER): Delete.
3911 * cppinit.c (cpp_start_read): Don't set done_initialising.
3912 * cpplex.c (parse_string): Guarantee null-termination.
3913 (_cpp_equiv_toklists): Remove.
3914 * cpplib.c (glue_header_name): Null-terminate.
3915 (do_line): Don't leak memory.
3916 * cpplib.h (BT_WEAK): Delete.
3917 * cppmain.c (cb_ident): Strings are now null-terminated.
3919 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3921 * gcc.c (convert_filename): Append executable suffix
3922 if NO_AUTO_EXE_SUFFIX is not defined.
3923 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3924 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3926 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3928 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3929 * c-parse.gperf, c-gperf.h: Delete.
3930 (c-gperf.h was accidently re-added to the CVS repo in the rev
3931 1.16 commit by tromey)
3933 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3935 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3936 macro arguments when looking for the '('.
3937 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3938 2 when really parsing arguments; 1 when looking for '('.
3939 Always restore the lexer position.
3941 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3943 * longlong.h (umul_ppmm): Don't use a multiline string.
3945 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3947 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3948 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3949 t_bool in declaration because pcc can't combine volatile with typedef
3952 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3954 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3955 until when it is really needed.
3956 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3957 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3958 * i386.md (float?i?f splitter): Don't force source operand to memory
3960 (sse_movdfcc): Fix constraint.
3961 (sse_movdfcc splitter): Handle properly the second alternative.
3963 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3965 * cpplex.c (parse_string): Unconditionally pedwarn.
3967 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3970 * cppexp.c (parse_number): Update.
3971 * cpplex.c (parse_string): Pedwarn if multiline string does not
3972 result from a system header's macro.
3973 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3974 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3975 for function-like macros too.
3976 * c-lex.c (lex_number): Update.
3978 2001-03-03 Richard Henderson <rth@redhat.com>
3980 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3982 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3984 * combine.c (try_combine): If split with mode-changed scratch
3985 register didn't work, try the original mode.
3987 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3989 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3990 * config/c4x/c4x.h: Likewise.
3991 * stor-layout.c (compute_record_mode): Likewise.
3992 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3994 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3996 * configure.in: Kill tm.h. Include the files in the $tm_file
3997 list in all three of config.h, hconfig.h, tconfig.h, after the
3998 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3999 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4000 * configure: Regenerate.
4001 * Makefile.in (clean): Don't delete tm.h.
4003 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4004 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4005 those are not defined, set SEC and FEC to 0 and 1.
4006 * gcc.texi: Update to match.
4008 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4009 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4010 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4011 Include tconfig.h, not tm.h.
4013 * config/xm-lynx.h, config/xm-std32.h,
4014 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4015 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4016 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4017 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4018 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4019 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4020 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4021 config/i386/xm-i386.h, config/i860/xm-i860.h,
4022 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4023 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4024 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4025 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4026 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4027 config/pa/xm-linux.h, config/pa/xm-pa.h,
4028 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4029 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4030 config/pj/xm-pj.h, config/romp/xm-romp.h,
4031 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4032 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4033 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4034 config/v850/xm-v850.h, config/vax/xm-vax.h,
4035 config/we32k/xm-we32k.h:
4037 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4039 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4040 config/i370/xm-oe.h: Don't include tm.h. Don't define
4042 * config/vax/xm-vms.h: Don't include tm.h.
4044 * config/xm-lynx.h, config/avr/xm-avr.h,
4045 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4046 Delete; made empty by above changes.
4047 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4048 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4049 Don't include config/xm-lynx.h or tm.h.
4051 * config/xm-gnu.h: Don't include fcntl.h.
4052 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4054 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4056 2001-03-02 Richard Henderson <rth@redhat.com>
4058 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4059 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4061 2001-03-02 Richard Henderson <rth@redhat.com>
4063 * Makefile.in (OBJS): Add dwarf2asm.o.
4064 * dwarf2asm.c, dwarf2asm.h: New files.
4065 * dwarf2out.c (*): Use them.
4066 (size_of_uleb128, size_of_sleb128): Remove.
4067 (output_uleb128, output_sleb128): Remove.
4068 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4069 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4070 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4071 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4072 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4073 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4074 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4075 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4076 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4077 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4078 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4079 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4080 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4081 (dwarf2out_frame_debug): Remove unused variables.
4082 (output_loc_operands): Don't abort on 8 byte constants if
4083 host integers are wide enough.
4084 (output_symbolic_ref): Remove.
4085 (size_of_die): Don't assume 4 byte host integers.
4086 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4088 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4089 something stupid with HOST_WIDE_INT to long truncation.
4090 [CONST_DOUBLE]: Likewise.
4092 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4093 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4094 * config/arm/unknown-elf.h: Likewise.
4095 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4096 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4097 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4098 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4099 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4100 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4101 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4102 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4103 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4104 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4105 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4106 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4108 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4110 * cselib.c (hash_rtx): Cast enums to unsigned int.
4112 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4114 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4115 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4117 * c-format.c (C_STD_VER): Cast to int for comparisons.
4118 (check_function_format): Cast various enums to int for &.
4119 (maybe_read_dollar_number): Likewise.
4120 (check_format_info): Likewise.
4121 (check_format_info_main): Likewise.
4122 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4123 (safe_from_p): Likewise.
4124 * varasm.c (const_hash): Cast enum to int for %.
4125 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4126 pcc enum problems with < and ++ operators.
4127 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4128 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4129 (regclass_init): Change enum class to int to iterate over reg_classes.
4130 * genrecog.c (merge_trees): Cast enums for comparison.
4131 * rtl.h (GET_CODE): Cast to enum rtx_code.
4132 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4133 (GET_MODE): Cast to enum machine_mode.
4134 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4135 (GET_NOTE_INSN_NAME): Cast enum to int.
4136 * tree.h (TREE_CODE): Cast to enum tree_code.
4137 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4138 * timevar.c (timevar_print): Change loop variable id from enum to
4140 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4141 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4142 * toplev.c (compile_file): Cast enum DFI to int.
4143 (decode_d_option): Likewise.
4145 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4147 * cppinit.c (append_include_chain): Mark "after" include file name list
4148 as a system directory.
4149 * cpp.texi: Document new behavior.
4151 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4153 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4155 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4157 * cppfiles.c (struct include_file): Update.
4158 (stack_include_file): Use search_from.
4159 (cpp_included, find_include_file): Update.
4160 (cpp_execute_include): Update. ptr->name may not be
4161 null terminated. Use the new search_from member variable
4163 (_cpp_compare_file_date): Similarly.
4164 (search_from): New function, similiar to actual_directory.
4165 (actual_directory): Delete.
4166 (remap_filename): Update. loc->name may not be null terminated.
4167 (struct file_name_list): Rename search_path. Update.
4168 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4169 search_from and dir.
4170 (struct cpp_reader): Remove actual_dirs.
4171 * cppinit.c (struct cpp_pending): Update for renamed objects.
4172 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4173 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4174 * cpplib.h (struct cpp_options): Similarly.
4176 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4178 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4179 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4180 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4181 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4182 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4183 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4184 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4185 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4186 config/i370/xm-oe.h, config/i386/xm-aix.h,
4187 config/i386/xm-i386.h, config/i386/xm-osf.h,
4188 config/i860/xm-i860.h, config/i960/xm-i960.h,
4189 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4190 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4191 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4192 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4193 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4194 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4195 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4196 config/pj/xm-pj.h, config/romp/xm-romp.h,
4197 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4198 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4199 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4200 config/v850/xm-v850.h, config/vax/xm-vax.h,
4201 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4202 Do not define TRUE or FALSE.
4204 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4205 empty by above change.
4206 * config.gcc: Remove references to these files.
4208 * configure.in: Detect stdbool.h.
4209 * configure, config.in: Regenerate.
4210 * system.h: Include stddef.h here if available.
4211 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4212 Then set up a sensible boolean type at the very end.
4214 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4215 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4217 * hash.h: Delete 'boolean' typedef and related #undefs.
4219 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4220 all uses of 'boolean' with 'bool'.
4222 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4224 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4225 * cppexp.c (lex): Cast enums for comparison.
4226 * cppinit.c (parse_option): Cast enum for comparison.
4227 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4228 (cpp_output_token): Likewise.
4229 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4230 (cpp_avoid_paste): Cast enums for minus and comparison.
4232 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4234 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4235 field to all array elements.
4237 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4239 * cpphash.h (struct cpp_reader): Add print_version field.
4240 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4241 just set print_version and other flags as appropriate.
4242 (cpp_post_options): Print version here if print_version is set.
4244 * toplev.c (exit_after_options): New flag.
4245 (independent_decode_option): Don't exit here; just set
4247 (main): Exit after calling lang_hooks.post_options if
4248 exit_after_options is true.
4250 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4251 (merge_include_chains): Adjust comment to match code.
4253 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4255 * stringpool.c (set_identifier): New function.
4256 * tree.h: Prototype it.
4258 * c-parse.in: Kill D_YES. If compiled for objc, call
4259 save_and_forget_protocol_qualifiers from init_reswords.
4260 * objc/objc-act.c (remember_protocol_qualifiers,
4261 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4262 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4264 (save_and_forget_protocol_qualifiers): New function.
4265 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4267 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4269 * c-semantics.c (prune_unused_decls): Return error_mark_node
4270 instead of (tree) 1 to stop traversing the tree chain.
4272 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4274 Fix a problem introduced by Kenner's Feb 18 change.
4275 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4276 flag_cse_skip_blocks only temporarily, not for ever.
4278 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4280 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4281 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4283 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4284 before determining its register class.
4286 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4288 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4289 from reg 4 if current_function_calls_setjmp.
4290 (gen_nop_type): New function.
4291 (ia64_emit_nops): New function.
4292 (ia64_reorg): Call it.
4293 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4295 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4296 code not to try to optimize adds with anything but a REG destination.
4298 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4299 (INSN_PRIORITY_KNOWN): New accessor macro.
4300 * haifa-sched.c (priority): Use it instead of testing priority against
4303 2001-02-28 DJ Delorie <dj@redhat.com>
4305 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4306 since that doesn't work the way gcc wants on a generic m68k.
4308 2001-02-28 Richard Henderson <rth@redhat.com>
4310 * caller-save.c (save_call_clobbered_regs): Fix typo in
4311 comparison last change.
4313 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4315 * i386.c (pentium4_cost): New.
4316 (m_PENT4): New macro.
4317 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4318 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4319 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4320 x86_memory_mismatch_stall): Add Pentium4
4321 (x86_use_q_reg, x86_use_any_reg): Kill.
4322 (override_options): Add pentium4.
4323 (incdec_operand): Return 0 for pentium4.
4324 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4325 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4326 (TARGET_PENTIUM4): Define.
4327 (enum processor_type): Add PROCESSOR_PENTIUM4.
4328 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4329 * i386.md (attribute "cpu"): Add pentium4.
4330 * invoke.texi (march): Add pentium4.
4332 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4334 * i386.md (sse_mov?fcc*): New patterns and splitters.
4335 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4336 the SSE based conditional moves.
4338 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4340 * i386.md (attribute mode): Add "TI".
4341 (movsf_1): Add pxor support; remove constant propagation splitter.
4342 (movdf_integer): Likewise.
4343 (movdf_nointeger): Likewise.
4344 (movxf constant prop splitter): Handle all modes; update for SSE.
4345 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4346 * i386.c (standard_80387_constant_p): Rewrite.
4347 (standard_sse_constant_p): New.
4348 * i386-protos.h (standard_sse_constant_p): New.
4350 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4352 * i386.md (sse_setccsf, sse_setccdf): New.
4353 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4355 * i386.c (sse_comparison_operator): Accept the supported unordered
4356 comparses; be ready for fast_math.
4357 (print_operand): Support 'D'.
4359 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4361 * jump.c (reversed_comparison_code): Kill.
4363 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4365 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4368 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4370 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4371 add missing '%' in constraints.
4373 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4375 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4376 for HOST_BITS_PER_WIDE_INT == 32 too.
4378 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4380 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4382 (insert_save, insert_restore): New parameter save_mode.
4383 (init_caller_save): Update initialization of reg_save_code
4384 and reg_restore_code.
4385 (save_call_clobbered_regs): Compute save_modes and update calls to
4386 reg_save_code and reg_restore_code.
4387 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4388 of spill; update use of reg_restore_code.
4389 (insert_save): Likewise.
4390 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4391 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4392 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4394 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4396 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4397 noce_try_store_flag_inc, noce_try_store_flag_mask,
4398 noce_try_cmove_arith):
4399 Use reversed_comparison_code instead of reverse_comparison and
4400 can_reverse_comparison_p.
4402 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4404 * jump.c (reversed_comparison_code_parts): Allow reversal of
4405 unordered compares in -ffast-math mode; reverse ordered compares
4406 for FP even w/o -ffast-math.
4408 2001-02-27 Richard Henderson <rth@redhat.com>
4410 * print-rtl.c (print_rtx) [i]: Don't print field five on
4411 NOTEs other than NOTE_INSN_DELETED_LABEL.
4413 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4415 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4416 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4418 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4420 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4421 even if walk_subtrees is 0.
4422 * c-semantics.c (prune_unused_decls): Return a non-null value to
4423 stop traversing the tree chain.
4425 2001-02-27 DJ Delorie <dj@redhat.com>
4427 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4428 register, *then* define it as the new CFA.
4430 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4432 * pa.c (override_options): Promote -fpic to -fPIC.
4433 (legitimize_pic_address): Simplify due to removal of
4434 small PIC as a code generation option.
4435 (secondary_reload_class): Similarly.
4436 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4437 (PRINT_OPERAND_ADDRESS): Similarly.
4438 * pa.md (various patterns): Similarly.
4439 (small pic lo_sum pattern): Remove.
4441 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4444 * md.texi (min, max): Document
4446 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4448 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4449 TARGET_PARTIAL_REG_DEPENDENCY.
4450 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4452 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4454 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4456 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4458 * mips.c (mips_make_temp_file): Fix thinko in last change.
4460 2001-02-26 Jason Eckhardt <jle@redhat.com>
4462 * combine.c (known_cond): Do not reverse the condition when
4463 SMAX/UMAX is being considered and the condition is for equality
4466 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4468 2001-02-26 Philip Blundell <philb@gnu.org>
4470 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4472 * config/arm/linux-elf.h: Remove historical relics related to
4473 above configurations.
4474 * config/arm/linux-oldld.h: Delete.
4475 * config/arm/linux-elf26.h: Delete.
4477 2001-02-26 Jason Merrill <jason@redhat.com>
4479 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4481 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4482 recognize a tentative definition. Lose obsolete code.
4484 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4485 variables unless necessary, either.
4487 2001-02-25 Richard Henderson <rth@redhat.com>
4489 * ifcvt.c (struct noce_if_info): Add test_bb.
4490 (noce_get_alt_condition): New.
4491 (noce_try_minmax, noce_try_abs): New.
4492 (noce_operand_ok): New.
4493 (noce_process_if_block): Use them.
4494 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4496 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4498 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4501 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4503 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4504 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4506 (mips_asm_file_end): Free temp_filename here.
4508 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4510 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4511 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4513 * config/i386/i386.md (movstrsi): Handle FAIL case.
4515 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4517 * cppinit.c (builtin_array): Update.
4518 (init_builtins): Flag builtins to warn if redefined or
4519 undefined. Define __GXX_WEAK as a normal macro.
4520 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4521 * cpplib.h (NODE_WARN): New flag.
4522 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4523 Handle __STDC__ as a builtin only on Solaris.
4524 (warn_of_redefinition): Renamed from check_macro_definition.
4525 Reverse sense of test. Always warn if NODE_WARN.
4526 (_cpp_create_definition): Use warn_of_redefinition. Flag
4527 any macro beginning with "__STDC_" to require a mandatory
4528 warning if redefined or undefined.
4530 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4532 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4533 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4534 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4535 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4536 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4537 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4538 Don't define any of:
4539 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4540 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4541 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4542 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4543 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4545 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4546 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4549 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4550 Delete now-empty file.
4552 * alpha/vms.h: Define NEED_ATEXIT here...
4553 * alpha/xm-vms.h: ...not here.
4555 * i386/cygwin.h: Don't define PARAMS.
4556 * mips/mips.c: Don't prototype mktemp. Don't define
4557 P_tmpdir. Use make_temp_file to create temporary files.
4558 Don't be clever and delete temporary files early.
4559 * config.gcc: Drop references to deleted files. Don't define
4561 * gcc.texi: Don't mention USE_PROTOTYPES.
4563 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4565 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4566 (ix86_set_move_mem_attrs_1): Likewise.
4567 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4568 * config/i386/i386.md (movstrsi): Call it.
4570 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4572 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4573 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4574 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4575 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4577 (i750a-*-*): Error here if hosting on i750a.
4578 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4580 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4581 Remove (empty modulo comments).
4583 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4584 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4585 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4586 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4587 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4588 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4590 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4591 Remove reference to winnt.h in comment.
4592 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4594 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4596 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4597 used to set another biv.
4599 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4601 * tree.h (BLOCK_DEAD): New macro.
4602 (struct tree_block): New flag, dead_flag.
4603 * print-tree.c (print_node, case 'b'): Print missing fields.
4604 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4605 * function.c (identify_blocks): Enable test for misplaced notes.
4606 (all_blocks): Skip BLOCK_DEAD blocks.
4607 * integrate.c (integrate_decl_tree): Likewise.
4609 * errors.c (internal_error, trim_filename): New functions.
4610 (fancy_abort): Call internal_error.
4611 * errors.h (internal_error, trim_filename): New declarations.
4613 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4615 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4617 (EXTRA_CONSTRAINT): Formatting changes.
4619 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4621 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4623 2001-02-23 Per Bothner <per@bothner.com>
4625 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4626 so they can be called from java/jvspec.c.
4627 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4629 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4631 * i386.c (ix86_frame): New structure.
4632 (ix86_compute_frame_size): Kill.
4633 (ix86_compute_frame_layout): New.
4634 (ix86_save_reg): New.
4635 (ix86_can_use_return_insn_p): Use frame layout stuff.
4636 (ix86_expand_prologue): Likewise.
4637 (ix86_expand_epilogue): Likewise.
4638 (ix86_initial_elimination_offset): Likewise.
4639 (ix86_nsaved_regs): Use ix86_save_reg.
4640 (ix86_emit_save_regs): Likewise.
4642 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4644 * flow.c (find_sub_basic_blocks): New function.
4645 (split_block): Be ready for basic block introduced by CODE_LABEL.
4646 (commit_one_edge_insertion): Call find_sub_basic_block.
4648 * flow.c (make_edges): Add edge from entry for blocks starting with
4649 label having ALTERNATE_NAME
4651 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4653 * function.c (epilogue_done): Be ready for first basic block not
4654 containing PROLOGUE_END note.
4655 (reposition_prologue_and_epilogue_notes): Avoid placing
4656 PROLOGUE_END note between BASIC_BLOCK.
4658 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4660 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4662 2001-02-21 DJ Delorie <dj@redhat.com>
4664 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4665 check for current_function_has_nonlocal_goto from 1999-11-12.
4667 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4669 * diagnostic.c (trim_filename): No longer static.
4670 * toplev.h (trim_filename): Declare.
4671 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4672 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4673 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4674 (rtvec_check_failed_bounds): Likewise.
4675 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4677 * convert.c (convert_to_integer): Don't do unsigned unless result or
4678 both inputs are unsigned.
4680 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4683 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4685 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4687 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4689 * Makefile.in (resource.o): Add params.h dependence.
4690 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4691 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4692 * resource.c: Add dependence on params.h.
4693 (current_live_regs): Fix explanatory comment.
4694 (find_basic_block): Add new parameter to permit limiting search
4696 (mark_target_live_regs): Add new argument to find_basic_block call.
4697 (incr_ticks_for_insn): Likewise.
4699 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4701 * diagnostic.c (output_to_stream): Rename to
4702 output_buffer_to_stream. Loses the stream parameter.
4703 (init_output_buffer): Set diagnosic_buffer's stream.
4704 (flush_diagnostic_buffer): Adjust.
4705 (default_print_error_function): Likewise.
4706 (finish_diagnostic): Likewise.
4707 (verbatim): Likewise.
4709 * diagnostic.h (struct output_buffer): Add `stream' field.
4710 (output_buffer_attached_stream): New macro.
4712 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4714 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4715 check if either operand is divisible by C.
4716 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4717 If type is signed, consider negative numbers as well.
4719 2001-02-22 Richard Henderson <rth@redhat.com>
4721 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4722 reach .text instead of gp-relative relocs.
4723 * config/ia64/crtend.asm (.init): Likewise.
4725 2001-02-22 Andreas Jaeger <aj@suse.de>
4727 * extend.texi (C++ Attributes): Fix typo.
4729 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4731 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4732 functions, drop current_function_args_info.words test.
4733 (ia64_compute_frame_size): Mark syscall_linkage functions as
4734 using eight input registers.
4736 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4737 Bruce Korb <bkorb@gnu.org>
4739 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4740 * fixinc/README: Document how to convert sed substitutions
4741 to format style c_fix-es.
4742 * fixinc/fixincl.x: regen
4744 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4746 * gcc.c: Add comment explaining how to add a command-line option.
4747 Add title to specs language comment.
4749 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4751 * gcc.c (cc1_options): Add "-param".
4752 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4753 (option_map): Likewise.
4754 * toplev.c (display_help): Add entry for "--param".
4755 (independent_decode_option): Fix typographical error.
4757 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4758 Bernd Schmidt <bernds@redhat.com>
4759 Jan Hubicka <jh@suse.cz>
4761 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4762 (function_arg): Likewise.
4764 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4766 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4768 2001-02-21 Kazu Hirata <kazu@hxi.com>
4770 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4774 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4776 * flow.c (init_propagate_block_info): Canon address and use single_set
4777 for killing dead memory stores.
4779 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4781 * Makefile.in (reorg.o): Add params.h dependence.
4782 * params.def: Fix typographical error in comment.
4783 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4784 * params.h: Modify introductory comment.
4785 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4786 * reorg.c: Add dependence on params.h.
4787 (redundant_insn): Add parameterized throttle for search.
4788 (fill_simple_delay_slots): Add a comment explaining a variable.
4789 Move conditional out of loop, simplifying code.
4790 (fill_eager_delay_slots): Fix typographical error in comment.
4792 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4794 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4796 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4797 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4799 2001-02-21 Jason Merrill <jason@redhat.com>
4801 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4802 (struct tree_decl): Add uninlinable bitfield.
4803 * c-decl.c (duplicate_decls): Set it.
4804 * integrate.c (function_cannot_inline_p): Check it.
4806 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4807 DW_AT_MIPS_linkage_name to abstract methods.
4808 (dwarf2out_abstract_function): Emit class context before calling
4809 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4810 (gen_subprogram_die): Remove obsolete code.
4811 (gen_member_die): Don't include clones in the member list.
4812 (gen_decl_die): Emit abstract info for clone origin.
4813 * dwarfout.c (output_type): Don't include clones in the member list.
4814 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4815 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4816 DECL_ABSTRACT on a function that already has it set.
4818 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4819 (get_subprogram_die): Pass it in.
4821 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4823 * flow.c (mark_set_1): Make not_dead unsigned long. For
4824 non-pseudos, use it as a bitmask of the hard regs that
4827 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4829 * cppfiles.c: Update comments.
4830 (_cpp_read_file): Don't check for NULL filenames any more.
4831 * cppinit.c (cpp_start_read): Don't do canonicalization of
4832 in_fname and out_fname. Use the passed file name exclusively.
4833 (_cpp_handle_options): Don't treat "-" as a command line option,
4834 but as a normal filename.
4835 (_cpp_post_options): Canonicalize in_fname and out_fname.
4836 * cppmain.c (printer_init): Don't check out_fname for NULL.
4837 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4838 (init_c_lex): Update, and use "" to represent stdin to CPP.
4841 2001-02-20 Will Cohen <wcohen@redhat.com>
4843 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4844 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4845 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4848 2001-02-20 Stan Shebs <shebs@apple.com>
4850 * config/rs6000/rs6000.c (output_cbranch): Output branches
4851 on separate lines instead of using ';' to separate.
4853 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4855 * cppinit.c (set_lang): Move builtin handling to...
4856 (init_builtins): ...here.
4857 (_cpp_create_reader): Move call to set_lang.
4859 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4861 * stmt.c (expand_return): If an attempt is made to return the
4862 error_mar_node, treat the return like a return without a value.
4864 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4866 * sibcall.c (skip_copy_to_return_value): Call
4867 identify_call_return_value here, and return orig_insn if it
4868 returns zero. Hardret and softret arguments now unnecessary.
4869 (call_ends_block_p): Don't call identify_call_return_value here.
4871 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4873 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4874 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4876 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4878 * pa.c (move_operand): Accept code to load the address of a
4879 symbol out of the DLT as a valid move operand.
4880 (print_operand, case 'A'): New to handle generating a DLT
4881 reference for a LO_SUM expression.
4882 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4883 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4885 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4887 * README, cpp.texi, gcc.texi, version.c: Update version number to
4889 * cpp.1, gcov.1, gcc.1: Regenerate.
4891 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4893 * cppfiles.c (stack_include_file): Generate dependencies
4894 here, and manage include_count here too.
4895 (PRINT_THIS_DEP): Delete.
4896 (_cpp_execute_include): Do not generate dependencies here,
4897 apart from the case of a missing header. Do not manage
4899 (_cpp_read_file): Leave dependency generation to
4902 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4904 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4905 target_cpu_default. Remove dead assignment to
4908 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4910 * regclass.c (contains_reg_of_mode): Make global.
4911 (init_reg_sets): Remove contains_reg_of_mode; take into account
4912 CLASS_MAX_NREGS when looking for the proper mode.
4913 (dump_regclass): Dump only classes considered for the pseudo.
4914 (regclass): Use contains_reg_of_mode.
4916 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4918 * gcc.c (do_spec_1): 'n' for printing notices.
4919 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4921 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4923 * reg-stack.c (next_flags_user): Use current_block->end
4924 (swap_rtx_condition): Look for next user if flags don't die;
4925 give up on CALL_INSNs; use current_block->end.
4927 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4929 * sibcall.c (call_ends_block_p): New function.
4930 (optimize_sibling_and_tail_recursive_call): Use it.
4932 2001-02-18 Kazu Hirata <kazu@hxi.com>
4934 * config/h8300/h8300.md: Update copyright.
4935 (andsi3): Do not output an extra newline character.
4937 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4939 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4940 FNDECL may be unused.
4942 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4943 follow jumps after first run.
4944 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4945 it doesn't change any jumps.
4947 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4949 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4950 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4951 (mostlyclean): Corresponding changes.
4952 * rtlanal.c (hard-reg-set.h): Include.
4953 (rtx_unstable_p): Do not treat the argument pointer specially
4954 if it is not a fixed register.
4955 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4957 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4959 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4960 against last real insn in basic block.
4961 Rework to avoid gotos.
4963 * Makefile.in (gcse.o): Now includes ggc.h.
4964 * gcse.c: Include ggc.h.
4965 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4966 (try_replace_reg): Remove warning of uninitialize variable.
4967 (process_insert_insn): Call invalid_insn_p to validate insn.
4968 * recog.c (insn_invalid_p): Now global.
4969 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4970 * recog.h (insn_invalid_p): New declaration.
4972 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4974 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4975 assignments from FP constants since 'Y' output code can't handle it.
4976 (eligible_for_sibcall_delay): Likewise.
4978 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4979 Call fancy_abort directly, passing args.
4980 (print_rtl_and_abort): Now a macro, like fancy_abort.
4982 * final.c (output_operand_lossage): Use internal_error, not error.
4984 2001-02-18 Shane Nay <shane@agendacomputing.com>
4986 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4987 structure shift insns.
4989 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4991 * invoke.texi (-fsquangle): Remove documentation.
4992 (-fname-mangling-version): Likewise.
4994 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4996 * optabs.c (expand_abs): Remove reference to
4997 HAVE_contitional_arithmetic.
4998 * combine.c (simplify_set): Likewise.
5000 2001-02-18 Richard Henderson <rth@redhat.com>
5002 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5005 2001-02-18 Richard Henderson <rth@redhat.com>
5007 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5009 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5011 * reload1.c (reload_cse_simplify_set): Fix typo.
5013 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5015 * diagnostic.c (_fatal_insn): Decrement errorcount.
5017 * invoke.texi (-I): Add note avoiding use for system header files.
5019 * rtl.h (add_clobbers): Remove duplicate declaration.
5020 * recog.h (added_clobbers_hard_reg_p): New declaration.
5021 * genemit.c (struct clobber_pat): New field has_hard_reg.
5022 (gen_insn): Record if added clobbers clobber hard reg.
5023 (gen_split): Avoid unused warning if number of operands is 0.
5024 (output_added_clobbers_hard_reg_p): New function.
5027 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5029 * pa.c (hppa_expand_prologue): Simplify code storing return
5030 pointer. For large (>=8k) frames with a post_store, adjust stack
5031 pointer by 8k-64 first rather than by 64. When testing with
5032 VAL_14_BITS_P, always use the actual value rather than the value
5033 negated. Add blockage to prevent scheduling of spills before
5034 stack frame has been created.
5035 (hppa_expand_epilogue): Simplify code loading return pointer.
5036 Allow a slightly larger range for merge_sp_adjust_with_load case.
5037 When testing with VAL_14_BITS_P, always use the actual value.
5039 * pa.c (pa_adjust_insn_length): Check that block move
5040 pattern is a set before looking at operands.
5042 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5044 * fold-const.c (fold_binary_op_with_conditional_arg): New
5045 function, split out from ...
5047 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5048 conditional arms that throw exceptions.
5050 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5053 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5055 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5056 define HAVE_DECL_* to 1 to mask potential backup declarations.
5057 * configure: Regenerated.
5059 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5061 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5063 2001-02-17 Richard Henderson <rth@redhat.com>
5065 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5066 when replacing a memory load with a register.
5068 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5069 Jan Hubicka <jh@suse.cz>
5071 * recog.c (validate_replace_src_1): New.
5072 (validate_replace_src_data): Likewise.
5073 (validate_replace_src): Use note_uses.
5074 * rtl.h (note_uses): Declare.
5075 * rtlanal.c (note_uses): New.
5077 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5079 * reg-stack.c (stack_def): Make field reg unsigned.
5080 (remove_regno_note): Unsignetize parameter.
5082 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5084 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5085 shladd_operand() call.
5087 2001-02-16 Bruce Korb <bkorb@gnu.org>
5088 Rodney Brown <RodneyBrown@mynd.com>
5090 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5091 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5092 machine restrictions
5093 * fixinc/fixincl.x: regen
5095 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5097 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5099 (hash_scan_insn): Clean up calls to hash_scan_set.
5100 (compute_kill_rd): REGNO now unsigned.
5101 (try_replace_reg): Rework to use simplify_replace_rtx.
5102 (cprop_jump, cprop_cc0_jump): Likewise.
5103 (cprop_insn): Call find_reg_equal_equiv_note.
5104 Reflect changes to cprop_jump and cprop_cc0_jump.
5106 * recog.c (validate_replace_src): Replace in operands of
5107 ZERO_EXTRACT in SET_DEST.
5109 * cse.c (new_label_ref): New variable.
5110 (insert): Set it instead of recorded_label_ref.
5111 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5112 CODE_LABEL for this function, and not already in REG_LABEL note.
5114 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5116 * resource.c (mark_referenced_resources): Fix typo in introductory
5118 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5121 2001-02-16 Jason Merrill <jason@redhat.com>
5123 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5125 (gen_subprogram_die): Don't abort on seeing a second definition if
5126 the previous one was abstract. Don't replace an abstract instance
5127 in the lookup table.
5129 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5130 gen_abstract_function.
5131 * dwarf2out.h: Declare it.
5132 * toplev.c (note_outlining_of_inline_function): New fn.
5133 * toplev.h: Declare it.
5134 * integrate.c (output_inline_function): Call it.
5135 * c-decl.c (duplicate_decls): Call it when redefining an extern
5136 inline. Don't inline the new defn.
5138 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5140 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5142 * .gdbinit: Rename to gdbinit.in.
5143 * gdbinit.in: New file,
5144 * configure.in: Generate .gdbinit from gdbinit.in.
5145 * configure: Regenerated.
5146 * Makefile.in (distclean): Always remove .gdbinit.
5148 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5150 * objc/objc-act.c (start_class): Register implemented_classes with
5153 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5155 * cppfiles.c (_cpp_make_system_header): Generate a file
5158 2001-02-15 Jim Meyering <meyering@lucent.com>
5160 * Makefile.in (install-common): Don't depend on installdirs here.
5161 Instead, make each of the lang.install-common targets (e.g.,
5162 c++.install-common in cp/Make-lang.in) depend on it.
5163 (install-driver): Depend on installdirs.
5165 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5167 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5169 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5172 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5174 * invoke.texi (--param): Document.
5176 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5178 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5180 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5182 * i386.md (extendsfdf2_2): Fix constraints.
5184 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5186 * i386.md (fop_df_3 splitter): Fix operand number.
5188 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5190 * invoke.texi (-mreg-alloc): Nuke.
5191 * i386.c (ix86_reg_alloc_order, regs_allocated,
5192 order_regs_for_local_alloc): Nuke.
5193 (override_options): Kill reg_alloc code.
5194 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5195 (REG_ALLOC_ORDER): SSE goes before I387.
5196 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5197 (ix86_reg_alloc_order): Likewise.
5198 * i386-protos.h (ix86_reg_alloc_order): Kill.
5200 2001-02-14 Richard Henderson <rth@redhat.com>
5202 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5204 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5206 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5208 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5210 * i386-protos.h (ix86_memory_move_cost): Move offline.
5211 * i386.c (ix86_register_move_cost): Compute properly cost of
5212 SSE, MMX and i387 instructions.
5213 (*_cost): Add costs of SSE/MMX moves.
5214 (ix86_memory_move_cost): Move offline from ....; Likewise.
5215 * i386.h (MEMORY_MOVE_COST): .... here;
5216 (struct processor costs): Add new fields to represent costs
5219 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5221 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5222 move_cost together with Matt Kraai's fix.
5224 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5226 * Makefile.in (OBJS): Add params.o.
5228 2001-02-14 Richard Henderson <rth@redhat.com>
5229 DJ Delorie <dj@redhat.com>
5231 * jump.c (jump_optimize_1): When we delete a conditional jump
5232 preceeding a non-conditional jump to effectively the same place,
5233 make sure that the combined jump skips any clobber insns between
5236 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5238 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5240 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5242 * Makefile.in (toplev.o): Depend on params.h.
5243 (intergate.o): Likewise.
5244 (params.o): New target.
5245 * flags.h (inline_max_insns): Remove.
5246 * integrate.c: Include params.h.
5247 Use MAX_INLINE_INSNS instead of inline_max_insns.
5248 * params.c: New file.
5249 * params.h: Likewise.
5250 * params.def: Likewise.
5251 * toplev.c: Include params.h.
5252 (lang_independent_params): New variable.
5253 (decode_f_option): Use the param machinery instead of setting
5255 (independent_decode_option): Handle "--param name=value".
5256 (main): Register language-independent parameters.
5258 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5260 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5262 2001-02-14 Richard Henderson <rth@redhat.com>
5264 * regclass.c (init_reg_sets_1): Revert last two changes.
5266 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5268 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5269 (variable_size): Call put_pending_size.
5270 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5271 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5272 sizes list, put newly created SAVE_EXPR there as well.
5274 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5276 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5277 (errata_find_address_regs): load_group has only 2 entries.
5278 (errata_emit_nops): Likewise. shladd is not problematic.
5279 Clear last_group if nop was emitted.
5280 (fixup_errata): load_group has only 2 entries.
5283 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5285 * c-lex.c (lex_number): Only warn traditionally for U suffix
5286 outside system macros.
5287 * cppexp.c (parse_number): Similarly.
5288 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5289 * cppmacro.c (struct cpp_macro): New member node.
5290 (parse_args): Only warn about missing rest args if not
5292 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5293 (cpp_sys_objmacro_p): New.
5294 (_cpp_create_definition): Store the node with the macro defn.
5295 Remember if the macro is defined in a system header.
5297 2001-02-13 DJ Delorie <dj@redhat.com>
5299 * configure.in (check_languages): determine languages to check
5300 * Makefile.in (check-c++): alias for check-g++
5301 (check-f77): alias for check-g77
5302 (CHECK_TARGETS): depend on configured languages
5304 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5306 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5307 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5308 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5309 (sqrtextendsfdf2): Disable for SSE2.
5311 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5313 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5314 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5315 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5316 (sqrtextendsfdf2): Disable for SSE2.
5318 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5320 * i386.md (movsfcc_1): Support integer cmove instruction.
5321 (movdfcc_1): Likewise; new splitter.
5323 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5325 * i386.c (output_fp_compare): Support SSE.
5326 (prepare_fp_compare_args): SSE comparisons always support memory.
5327 * i386.h (TARGET_CMOVE): SSE imply cmove.
5328 * i386.md (cmp?f2): Enable for SSE too.
5329 (cmpfp_i*): Support SSE.
5331 (cmpfp_i_sse_only): New.
5332 (s*, b* fp expanters): Enable for SSE too.
5333 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5336 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5338 * regclass.c (init_reg_sets_1): Silence warning.
5340 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5342 * i386.md (sqrt?f2): Change to expander.
5343 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5345 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5347 * rtlanal.c (find_reg_equal_equiv_note): New function.
5348 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5349 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5350 * rtl.h: Add declarations for above functions.
5352 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5354 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5356 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5357 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5358 * flow.c (mark_regs_live_at_end): Likewise.
5359 (calculate_global_regs_live): Likewise.
5360 * gcse.c (compute_hash_table): Likewise.
5361 (compute_kill_rd): Likewise.
5362 * resource.c (mark_target_live_regs): Likewise.
5363 * rtl.h (INVALID_REGNUM): New macro.
5365 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5367 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5369 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5371 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5374 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5376 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5378 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5379 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5380 (fop_sf_1_sse, fop_df_1_sse): New patterns
5381 (fop_*): Disable float_extend and float patterns for SSE compilation.
5382 * i386.c (output_387_binary_op): Support SSE.
5384 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5386 * i386.md (dummy_extendsfdf2): Support SSE2
5387 (extendsfdf2): Enable if 80387 or SSE2.
5388 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5389 and no MIX_I387_SSE2
5390 (extendsfdf2_1_sse_only): New pattern.
5391 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5393 (truncdfsf2_1): Support SSE.
5394 (truncdfsf2_2): Support SSE.
5395 (truncdfsf2_2_1_sse): New pattern.
5396 (fixtruncsfsi2): Always use SSE if available.
5397 (fix_truncsfsi_sse): New pattern.
5398 (fix_truncdfsi_sse): New pattern.
5399 (floatsis?f2): Support SSE.
5400 (floatsidf2_i387): New pattern.
5401 (floatsidf2_sse): Likewise.
5403 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5405 * configure.in: Use "have_gnat" variable, not "gnat".
5406 * configure: Regenerated.
5408 * config/sparc/sparc.c (function_value): Treat all non-record
5409 aggregate types like used to treat UNION_TYPE.
5411 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5413 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5414 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5416 (MASK_MIX_SSE_I387): New.
5417 (TARGET_SSE): SSE2 imply SSE.
5418 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5419 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5420 (enum reg_class): Add new classes.
5421 (REG_CLASS_NAMES): Likewise.
5422 (REG_CLASS_CONTENTS): Likewise.
5423 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5424 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5425 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5426 (CLASS_MAX_NREGS): Use new macros.
5427 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5428 * i386.md (pushsf, movsf): Support SSE.
5429 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5430 splitters to use ANY_FP_REGNO_P.
5431 (movdf_nointeger, movdf_integer): Likewise.
5433 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5435 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5436 (try_combine): Use it.
5438 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5440 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5441 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5442 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5443 (REGISTER_MOVE_COST): Likewise.
5444 * i386-protos.h (ix86_secondary_memory_needed,
5445 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5446 * i386.c (ix86_secondary_memory_needed,
5447 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5449 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5451 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5452 (HARD_REGNO_MODE_OK): Move offline to ....
5453 * i386.c (ix86_hard_regno_mode_ok) ... here;
5454 refuse all incorrect modes.
5455 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5457 2001-02-13 Richard Henderson <rth@redhat.com>
5459 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5460 entire operator; replicate that and match_dup the operands.
5461 (cmp_ccx_arith_op_set): Likewise.
5462 (cmp_cc_arith_op_not_set): Likewise.
5463 (cmp_ccx_arith_op_not_set): Likewise.
5465 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5467 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5469 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5471 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5472 (TARGET_NO_BITFIELD_WORD): New macro.
5473 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5474 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5476 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5478 * cselib.c: New file, from simplify-rtx.c.
5479 * simplify-rtx.c: Remove cselib parts.
5480 * Makefile.in: Add cselib.o.
5482 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5484 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5485 (setup_incoming_varargs): Remove warning.
5487 * config/rs6000/rs6000.c (validate_condition_mode): When
5488 flag_fast_math, allow floating-point conditionals to be reversed.
5489 (rs6000_generate_compare): When flag_fast_math, don't generate
5490 cror operations for FP conditionals.
5492 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5494 (ASM_SPEC): Likewise.
5495 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5496 (CC1_SPEC): Likewise.
5497 (LINK_TARGET_SPEC): Likewise.
5498 (CPP_ENDIAN_SPEC): Likewise.
5499 * Makefile.in (check-consistency): New target.
5501 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5503 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5504 "return type defaults" warning for functions with return type
5506 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5507 function declarations by default rather than only when pedantic.
5509 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5511 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5514 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5516 * extend.texi (Deprecated): Deprecate new initializer lists.
5518 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5520 * mkdeps.c (deps_add_default_target): Robustify. Add
5521 basename component only.
5522 * cpp.texi (-M): Describe how default target is generated.
5523 * invoke.texi (-M): Likewise.
5525 2001-02-12 Kazu Hirata <kazu@hxi.com>
5527 * toplev.c (push_float_handler): Remove.
5528 (pop_float_handler): Remove.
5529 * toplev.h: Remove prototypes for the above functions.
5531 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5533 * c-common.c (constant_fits_type_p): New function.
5534 (convert_and_check): Use it.
5536 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5538 * Makefile.in (GXX_ABI_FLAG): Don't define.
5539 * configure.in (--enable-new-gxx-abi): Remove option.
5540 * config.in: Regenerated.
5541 * configure: Likewise.
5543 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5545 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5547 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5548 regular basic block, and arrange for all edges into it to switch
5551 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5553 * Makefile.in (distclean): Do not remove .gdbinit.
5555 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5557 * Makefile.in (gcc.o): Fix typos.
5558 (protize.o): Likewise.
5559 (unprotoize.o): Likewise.
5561 2001-02-11 Richard Henderson <rth@redhat.com>
5563 * tree.c (build1): Check for null operand in last change.
5565 2001-02-11 Richard Henderson <rth@redhat.com>
5567 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5568 (fold): Don't assume a constant isn't foldable.
5569 * tree.c (build): Set TREE_CONSTANT for an expression with no
5570 side-effects and constant operands.
5573 2001-02-10 Richard Henderson <rth@redhat.com>
5575 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5577 2001-02-10 Anthony Green <green@redhat.com>
5579 * cpp.texi (Standard Predefined): Add documentation for
5582 * c-common.c (combine_strings): Improve warning message.
5584 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5586 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5588 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5590 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5592 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5595 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5597 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5600 2001-02-09 Nick Clifton <nickc@redhat.com>
5602 * config/arm/arm.md: Change output contraint on post inc
5603 load/store multiple patterns to be a read/write contraint.
5605 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5607 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5608 .o files when using the -M options.
5610 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5611 David Edelsohn <edelsohn@gnu.org>
5613 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5614 handle DImode constants. Use one TOC entry for SImode and smaller
5615 constants, aligned properly.
5617 2001-02-08 Jason Merrill <jason@redhat.com>
5619 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5620 about the SP adjustment for saving the static chain pointer.
5621 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5622 offset when setting a temporary CFA register.
5624 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5626 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5627 powerpc-*-chorusos* .
5628 * config/rs6000/chorus.h : New file.
5629 * config/i386/chorus.h : New file.
5630 * config/sparc/chorus.h : New file.
5631 * config/sparc/t-chorus-elf : New file.
5633 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5635 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5636 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5637 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5638 (__WCHAR_TYPE__): Correct macro name.
5640 2001-02-08 Richard Henderson <rth@redhat.com>
5642 * config/i386/i386.c (ix86_frame_pointer_required): New.
5643 (ix86_setup_frame_addresses): New.
5644 (struct machine_funciton): Add accesses_prev_frame.
5645 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5646 ix86_frame_pointer_required.
5647 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5648 (SETUP_FRAME_ADDRESSES): New.
5649 * config/i386/i386-protos.h: Update.
5650 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5651 from FRAME_POINTER_REQUIRED.
5652 * config/i386/svr3gas.h: Likewise.
5653 * config/i386/sysv3.h: Likewise.
5654 * config/i386/v3gas.h: Likewise.
5656 2001-02-08 Richard Henderson <rth@redhat.com>
5658 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5659 calculation of the number of integer registers required.
5660 (function_arg_record_value): Likewise.
5662 2001-02-08 Jason Merrill <jason@redhat.com>
5664 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5665 two. Print file and line with "confused" message.
5667 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5669 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5671 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5673 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5675 * final.c (cleanup_subreg_operands): The address of a MEM can
5678 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5681 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5683 * gcc.texi (Incompatibilities): Update documentation of
5684 preprocessing numbers.
5686 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5688 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5690 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5692 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5694 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5695 * gcc.c (struct compiler): Add cpp_spec field.
5696 (input_file_compiler): New variable.
5697 (do_spec_1): Allow a particular compiler to handle `%C'
5699 (main): Store the current compiler in input_file_compiler.
5700 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5702 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5704 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5705 * cppinit.c (cpp_create_reader): Initialize them.
5706 (append_include_chain): cxx_aware arg might be unused.
5707 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5708 keywords and give them their phase 7 meaning. Pedwarn about
5709 this unless '__bool_true_false_are_defined' is defined.
5711 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5713 * lcm.c (optimize_mode_switching): Emit mode_set before the
5714 JUMP_INSN of an abnormal edge.
5716 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5718 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5719 a scheduling barrier at the end.
5721 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5723 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5725 * config/sh/sh.md (reload_outsf): Removed.
5726 (movsf_ie): Introduce constraints for FPUL loads and stores.
5727 (reload_insf): Broaden the output constraint.
5729 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5731 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5732 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5734 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5736 * final.c: Revert my previous changes.
5737 * output.h: Make profile_label_no extern.
5738 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5739 for generating label.
5741 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5743 * config/i386/djgpp.h: Add comments about standard paths.
5744 (MD_EXEC_PREFIX): Undefine before defining.
5745 (MD_STARTFILE_PREFIX): New.
5747 2001-01-30 Bruce Korb <bkorb@gnu.org>
5749 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5750 (load_file): do not rely on load_file_data() to close file pointer
5751 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5752 fixinc/inclhack.def(irix_limits_const): add test_text
5754 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5756 * cppexp.c (parse_defined): Improve diagnostics for invalid
5759 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5761 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5763 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5765 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5766 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5767 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5768 (rs6000_output_symbol_ref): New function.
5769 (output_toc): Use VTABLE_NAME_P.
5771 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5773 * print-tree.c (print_node, case PARM_DECL):
5774 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5776 * stor-layout.c (reference_types_internal): New variable.
5777 (internal_reference_types): New function.
5778 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5779 * tree.h (internal_reference_types): New declaration.
5781 * cse.c (find_best_addr): Fix typo in computing cost.
5783 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5785 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5786 and this is the sum of a pointer and a constant, we know the result
5788 (num_sign_bit_copies, case PLUS): Likewise.
5789 * explow.c (convert_memory_address): Remove opposite SUBREG.
5790 * function.c (instantiate_new_reg): New function (from common code).
5791 (instantiate_virtual_regs_1): Call it.
5792 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5793 if pointers sign- or zero-extend.
5794 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5795 If pointers extend unsigned, use inside of SUBREG.
5796 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5798 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5800 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5801 subdir of gcc_gxx_include_dir.
5802 (gcc_gxx_target_include_dir): Remove.
5804 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5806 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5807 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5808 a high-level description.
5810 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5812 * final.c: Move the declaration of profile_label_no to ...
5813 * output.h: ... here.
5814 * function.c (expand_function_start): Call PROFILE_HOOK.
5815 * config/rs6000/aix.h: Define PROFILE_HOOK.
5816 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5817 * config/rs6000/rs6000.c (output_profile_hook): Define.
5818 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5819 output_profile_hook.
5820 tm.texi : Explain new macro PROFILE_HOOK.
5822 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5824 * extend.texi (Extended Asm): Do not say that semicolon is always
5825 a valid line-breaking character for GNU assemblers. Use
5826 newline-tab as the most commonly supported syntax. Use
5827 newline-tab rather than semicolon in multi-insn examples.
5829 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5831 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5833 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5834 David Edelsohn <edelsohn@gnu.org>
5836 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5837 code for AIX, even without flag_pic.
5839 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5841 * c-typeck.c (common_type): push and pop binding level around
5842 calling common_type on function parameters.
5844 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5846 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5848 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5850 * config/mips/mips.c (override_options): Fix typo in last change.
5851 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5852 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5854 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5856 * invoke.texi (-fdump-class-layout): Document.
5857 (-fdump-translation-unit): Use `=' as filename separator.
5859 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5861 * Makefile.in (s-mlib): Don't build multilibs if
5863 (DRIVER_DEFINES): Adjust accordingly.
5865 (protoize.o): Likewise.
5866 (unprotoize.o): Likewise.
5867 * configure.in: Recognize --enable-multilib.
5869 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5871 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5873 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5874 * configure.in: Remove --enable-libstdcxx_v3 support.
5875 * configure: Regenerated.
5877 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5879 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5880 Call abort instead of fatal.
5881 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5882 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5883 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5884 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5885 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5886 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5888 * diagnostic.h (set_internal_error_function): Renamed.
5889 * toplev.h (internal_error): Renamed from fatal.
5890 (pfatal_with_name): Deleted.
5891 (fatal_io_error): Now has printf-style arguments.
5892 * diagnostic.c (pfatal_with_name): Deleted.
5893 (fatal_io_error): Rework to have args in printf-style.
5894 (set_internal_error_function): Renamed from set_fatal_function.
5895 (internal_error): Renamed from fatal.
5896 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5897 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5898 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5899 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5900 * flow.c (verify_flow_info): Likewise.
5901 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5902 * config/mips/mips.c (save_restore_insns): Likewise.
5904 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5905 * flow.c (verify_flow_info): Likewise.
5906 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5907 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5908 (avr_normalize_condition): Likewise.
5909 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5910 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5911 (limit_reload_class, double_reg_to_memory): Likewise.
5912 (print_operand_address, emit_1600_code_shift): Likewise.
5913 (gen_tst_reg, gen_compare_reg): Likewise.
5914 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5915 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5917 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5919 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5920 * objc/objc-act.c (build_ivar_chain): Likewise.
5921 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5923 * graph.c (clean_graph_dump_file): Likewise.
5924 * profile.c (init_branch_prob): Likewise.
5925 * objc/objc-act.c (objc_init): Likewise.
5927 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5928 * config/avr/avr.c (avr_override_options): Likewise.
5929 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5930 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5931 * config/h8300/h8300.c (h8300_init_once): Likewise.
5932 * config/mips/mips.c (override_options): Likewise.
5933 * config/i386/i386.c (override_options): Likewise, rework.
5934 * config/m68k/m68k.c (override_options): Likewise.
5936 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5938 * config/mips/mips.c (print_operand): Likewise.
5939 * hash.c (hash_allocate): Don't check for failure returns from
5940 obstack functions that can't fail.
5941 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5942 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5943 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5944 (get_object_reference): Likewise.
5946 2001-02-04 Nick Clifton <nickc@redhat.com>
5948 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5949 StrongARM1110, 10TDMI, and 1020T.
5951 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5953 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5955 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5957 * config/sh/sh.md (movdf load split): Pass register number to
5958 FP_OR_XD_REGISTER_P.
5960 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5962 * cppinit.c (BC): New macro.
5963 (builtin_array): Add __GXX_WEAK__.
5964 * cpplib.h (builtin_type): Add BT_WEAK.
5965 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5966 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5967 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5969 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5971 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5973 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5975 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5976 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5978 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5980 * cpphash.h: Rename ALIGN _ALIGN.
5981 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5983 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5985 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5986 compilation environment.
5987 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5988 control over location of cygwin includes and libs.
5990 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5992 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5994 2001-02-02 lars brinkhoff <lars@nocrew.org>
5996 * md.texi (Standard Names): remove reference to spur.md.
5998 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6000 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6001 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6002 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6003 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6004 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6006 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6008 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6009 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6010 number before reload.
6011 (c4x_adjust_cost): Return zero before reload.
6012 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6013 split before reload.
6015 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6017 * c4x.c (c4x_hard_regno_rename_ok): New.
6018 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6019 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6021 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6023 * diagnostic.h: Add missing "extern" in all declarations.
6025 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6027 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6028 as for gcc_gxx_include_dir.
6030 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6032 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6034 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6036 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6037 label before alignment to be used as the braf base address.
6038 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6040 (casesi_jump_2): Require at least TARGET_SH2.
6042 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6043 truncation to 32-bit doubles on -m3e and -m4-single-only.
6045 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6047 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6048 the default when building a shared object.
6049 (init_spec): Use it.
6050 * testsuite/lib/g++.exp: Include the directory where libgcc
6051 is located to the LD_LIBRARY_PATH list.
6052 * invoke.texi (-shared-libgcc): Document the cases in which
6053 GCC defaults to using the shared libgcc.
6055 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6057 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6058 unsigned is wide enough.
6060 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6061 (si_to_float): Likewise.
6062 (float_to_si, float_to_usi): Use BITS_PER_SI.
6064 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6066 * dwarf2out.c: Added explanation of abbreviations.
6067 (def_cfa_1): Added comments listing DWARF2 instructions.
6068 (cfa_temp_reg): Removed in favor of cfa_temp.
6069 (cfa_temp_value): Removed in favor of cfa_temp.
6070 (cfa_temp): New global variable.
6071 (dwarf2out_frame_debug_expr): Added extensive introductory
6072 comments explaining the function's transformations. Revised to
6073 use cfa_temp. Added some rtx checking. Generalize IOR case.
6074 (dwarf2out_frame_debug): Revised to use cfa_temp.
6075 (output_aranges): Cast as "unsigned" to avoid warning.
6076 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6077 explain which instructions must be marked.
6079 2001-02-01 Richard Henderson <rth@redhat.com>
6081 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6084 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6086 * config/sh/crt1.asm (main_k): Modified so that start calls
6087 ___setup_argv_and_call_main.
6089 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6091 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6092 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6093 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6094 * cppmacro.c (builtin_macro): Set builtin flags here.
6095 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6096 (replace_args): Clarify intent.
6097 (cpp_get_token): Macro expansion tokens get the saved flags.
6099 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6102 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6104 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6107 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6110 returns Pmode pseudo, but we need ptr_mode.
6111 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6112 Remove bogus conversions; use HOST_WIDE_INT for size.
6113 Don't use TARGET if wrong mode.
6115 * config/i386/i386.c (ix86_compute_frame_size): Allow
6116 stack_alignment_needed to be non-default even if size is zero.
6118 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6120 * pa.c (hppa_init_pic_save): New function.
6121 * pa.h (hppa_init_pic_save): Declare.
6122 * pa.md (call, call_value, sibcall, sibcall_value): Use
6123 the above instead of duplicated code.
6125 * pa.c (hppa_encode_label): Correct size of alloca buffer
6126 so we don't overrun it. Correct leading `*' case.
6127 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6128 need to handle `*@'.
6129 (FUNCTION_NAME_P): Likewise.
6131 2001-01-31 Richard Henderson <rth@redhat.com>
6133 * config.gcc (alpha-osf5): Use float-i128.h.
6135 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6136 * config/float-i32.h: Likewise.
6137 * config/float-i64.h: Likewise.
6138 * config/float-sh.h: Likewise.
6139 * config/float-sparc.h: Likewise.
6141 2001-01-31 DJ Delorie <dj@redhat.com>
6143 * expmed.c (extract_bit_field): allow non-integral modes if we
6144 want to extract a whole register from itself.
6146 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6148 * c-typeck.c (set_init_index): If first is equal to last, assume as
6149 if it was not a range at all.
6151 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6153 * config/fp-bit.c: Include tm.h.
6154 (float_to_si): Don't assume SImode is 32-bits wide.
6155 (float_to_usi): Likewise.
6157 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6159 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6161 (typename): Call pending_xref_error after parsing typed_typespecs.
6162 * c-decl.c (lookup_tag): Give error immediately rather than
6163 leaving it pending if the tag of the wrong type is in the same
6165 (xref_tag): Don't pedwarn for forward declarations of enum types
6167 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6170 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6172 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6174 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6176 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6177 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6179 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6181 * cpphash.h (struct cpp_reader): New saved_flags.
6182 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6183 to avoid a paste after a pasted token.
6185 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6187 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6188 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6189 Wtype_MIN instead of LONG_MIN.
6191 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6193 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6195 * fixinc/fixincl.x: Regenerated.
6196 * fixinc/inclhack.def (irix_limits_const): New definition to
6197 convert "const" to "__const" in limits.h.
6199 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6201 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6203 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6205 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6206 when register dies in the insn.
6208 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6210 * diagnostic.c (fatal): Fix word wrap.
6212 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6214 * combine.c (try_combine): Fix SUBREG setting for
6215 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6217 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6219 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6222 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6224 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6226 * toplev.c (decode_W_option): Update warn_larger_than
6227 unconditionally for each processed switch.
6229 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6231 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6233 (hppa_expand_prologue): Delete code to save pic offset table register
6234 in the function prologue.
6235 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6236 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6237 table register at the beginning of the function after the prologue.
6239 2001-01-29 lars brinkhoff <lars@nocrew.org>
6241 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6243 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6244 Jeff Law <law@redhat.com>
6246 * pa.md (return): Revise comment for trivial return.
6247 (return_internal): Non-trivial return pattern for non-PIC code.
6248 (return_internal_pic): Non-trivial return pattern for PIC code.
6249 It uses the PIC register to ensure it is restored after
6251 (epilogue): Generate appropriate return for PIC and non-PIC code.
6253 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6255 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6257 2001-01-29 DJ Delorie <dj@redhat.com>
6259 * combine.c (if_then_else_cond): Pass the correct mode to
6260 operand_subword() for constants.
6262 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6264 * config/i386/cygwin.h: Add w32api to include search. Search different
6265 directories in a cross-build environment.
6267 2001-11-29 Tim Josling <tej@melbpc.org.au>
6269 * tree.h (TYPE_STUB_DECL): Add documentation.
6271 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6273 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6274 (sdbout_field_types): Likwise. Fix use of host_integerp.
6276 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6278 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6281 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6283 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6284 to use flag_gnu_linker.
6286 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6288 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6289 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6291 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6293 * tree.c, tree.h (build_parse_node): Remove; was identical to
6295 * c-lang.c (start_cdtor), objc/objc-act.c
6296 (build_module_descriptor): Use build_nt instead of
6299 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6301 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6302 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6303 not have any upper bits set.
6305 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6307 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6309 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6311 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6313 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6315 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6316 (integer_minus_one_node): Define.
6318 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6320 * Makefile.in (bootstrap2-lean): Fix typo.
6322 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6324 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6325 : Don't set fe_value.
6326 * cpplib.h (AVOID_LPASTE): New flag.
6327 (struct cpp_hashnode): Remove fe_value.
6328 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6329 * cppmacro.c (builtin_macro): Don't set flags here.
6330 (replace_args): Set AVOID_LPASTE flag on first token of an
6331 argument, and the token following it.
6332 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6333 macro expansion, and on the token following it. Do it for
6335 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6337 2001-01-27 Richard Henderson <rth@redhat.com>
6339 * config/alpha/t-ieee: Remove multilibbing.
6340 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6342 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6344 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6346 * Makefile.in: Remove all dependencies on defaults.h.
6347 * builtins.c: Don't include defaults.h.
6348 * c-common.c: Likewise.
6349 * c-decl.c: Likewise.
6350 * c-pragma.c: Likewise.
6351 * c-typeck.c: Likewise.
6352 * combine.c: Likewise.
6354 * frame-ia64.c: Likewise.
6355 * cppexp.c: Likewise.
6356 * crtstuff.c: Likewise.
6357 * dbxout.c: Likewise.
6358 * dwarf2out.c: Likewise.
6359 * dwarfout.c: Likewise.
6360 * emit-rtl.c: Likewise.
6361 * except.c: Likewise.
6363 * final.c: Likewise.
6364 * frame-dwarf2.c: Likewise.
6365 * libgcc2.c: Likewise.
6366 * optabs.c: Likewise.
6367 * profile.c: Likewise.
6368 * sdbout.c: Likewise.
6369 * toplev.c: Likewise.
6370 * tradcif.y: Likewise.
6372 * varasm.c: Likewise.
6374 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6376 * builtins.c (expand_builtin_fputs): Use size_one_node when
6377 transforming into fwrite.
6379 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6381 * extend.texi (Attribute Syntax): New section.
6383 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6385 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6386 they didn't need fixing.
6388 2001-01-27 Janis Johnson <janis@us.ibm.com>
6390 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6392 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6393 to remove macro definitions that are duplicated from elfos.h.
6395 2001-01-27 Richard Henderson <rth@redhat.com>
6397 * config/i386/sco5gas.h: Move ...
6398 * config/usegas.h: ... here.
6399 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6401 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6403 * c-typeck.c (struct constructor_stack): Add range_stack member.
6404 (really_start_incremental_init): Clear it.
6405 (push_init_level): Save constructor_range_stack and clear it if
6406 pushing explicit braces.
6407 (pop_init_level): abort if constructor_range_stack is non-zero at
6408 explicit closing brace. Restore saved constructor_range_stack if
6411 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6413 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6414 into register was forced into memory.
6416 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6418 * Makefile.in: Remove uses of + before $(MAKE).
6420 2001-01-26 Richard Henderson <rth@redhat.com>
6422 * stmt.c (cost_table): Remove.
6423 (COST_TABLE, cost_table_initialized): New.
6424 (estimate_case_costs): Use the later instead of the former.
6425 (balance_case_nodes): Likewise.
6427 2001-01-26 Richard Henderson <rth@redhat.com>
6429 * alias.c (objects_must_conflict_p): Read-only slots may not
6430 conflict despite having the same type.
6432 2001-01-27 Michael Hayes <mhayes@redhat.com>
6434 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6436 (check_ext_dependant_givs): Initialise u_start_val and
6438 (load_mems): Make last_max_reg unsigned.
6439 (try_swap_copy_prop): Use INSN_P and initialise set.
6441 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6443 * README.AVR : Removed.
6445 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6447 * pa-64.h (text_section): Remove declaration.
6449 * pa.md (return_internal): Remove mode on PIC register use.
6451 2001-01-25 lars brinkhoff <lars@nocrew.org>
6453 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6454 ASM_CLOSE_PAREN): fix typos.
6456 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6458 * acconfig.h: Define `const' to the empty string if neither
6459 __STDC__ nor __cplusplus is defined.
6460 * config.in: Regenerated.
6462 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6464 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6465 * collect2.c (main): Delete importf. Add ".obj" file extension.
6466 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6467 (aix_std_libs): Add additional AIX libraries to skip.
6468 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6469 * config/rs6000/aix51.h: New file.
6471 2001-01-25 Michael Hayes <mhayes@redhat.com>
6473 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6474 (loop_insn_emit_before): No longer static.
6475 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6476 (loop_givs_rescan, load_mems): Likewise.
6477 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6478 (maybe_eliminate_biv_1):
6479 (move_movables): Replace emit_call_insn_before with
6480 loop_call_insn_hoist.
6481 * loop.h (loop_insn_emit_before): Add.
6482 * unroll.c (copy_loop_body): Replace emit_insn_before with
6483 loop_insn_emit_before.
6485 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6487 * diagnostic.c (fatal): Request preprocessed source.
6489 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6491 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6492 olddecl has argument types and newdecl has none, use the argument
6495 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6497 * dwarf2out.c (prefix_of): New function. Determine longest common
6498 prefix of the two arguments. The units are whole path components.
6499 (output_file_names): When adding a new directory find the one entry
6500 with the longest common prefix already in the list. Artificially
6501 generate entry if there is none for this prefix.
6502 Fix test to check whether the zeroth directory entry is used.
6504 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6506 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6507 Changed all callers. Take it into account when deciding if a
6508 previously loaded value matches.
6510 2001-01-24 Richard Henderson <rth@redhat.com>
6512 * reload.c (find_reloads_subreg_address): Fail the substitution
6513 if the resulting address is insufficiently aligned.
6515 2001-01-24 DJ Delorie <dj@redhat.com>
6517 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6518 check the original operand's mode also.
6519 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6521 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6523 * c-parse.in (cast_expr): Move compound literals from here ...
6524 (primary): ... to here. Use standard terminology "compound
6525 literal" instead of "constructor expression".
6527 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6529 * gcc.1, cpp.1: Regenerate.
6531 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6533 * calls.c (emit_library_call_value_1): Memory slot for
6534 pass-by-reference argument should have the mode of the argument,
6535 not of the pointer to it.
6537 2001-01-24 Tom Tromey <tromey@redhat.com>
6539 * gcc.texi (G++ and GCC): Mention gcj manual.
6540 (Standards): Link to section of manual mentioning gcj/Java
6543 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6545 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6546 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6547 * tradcpp.c (main): Add -imacros or -include'd dependencies
6549 * cpp.texi (-M, -MM): Document -M -include behaviour.
6551 2001-01-24 Roger Collins <roger@ProProject.com>
6553 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6555 2001-01-24 Will Cohen <wcohen@redhat.com>
6557 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6558 whether registers are 32 bits or 64 bits in size.
6560 2001-01-24 Ben Elliston <bje@redhat.com>
6562 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6564 2001-01-24 Richard Henderson <rth@redhat.com>
6566 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6567 (builtin_longjmp): Use it instead of emit_indirect_jump.
6569 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6571 * bb-reorder.c (make_reorder_chain_1): Handle case where
6572 jump edge goes to the same block as the fallthru edge.
6574 2001-01-23 Jim Wilson <wilson@redhat.com>
6576 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6577 * frame.h (__ia64_personality_v1): Add prototype.
6578 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6579 prototype form. Add void * cast to first argument to personality
6581 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6582 (asctoe113): Likewise.
6583 * config/ia64/frame-ia64.c: Include eh-common.h.
6584 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6586 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6588 (itanium_split_issue): Add prototype.
6589 (gen_nop_type): Ifdef out.
6590 (find_best_packet): Initialize best_packet.
6591 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6593 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6594 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6595 (flushrs): Add explicit stop bit at end.
6596 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6599 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6601 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6603 * libgcc2.c (__terminate_func): Make variable static.
6604 (__terminate_set_func): New function to set __terminate_func.
6605 * libgcc2.h (__terminate_func_ptr): New typedef.
6606 (__terminate_set_func): New function.
6608 2001-01-23 Richard Henderson <rth@redhat.com>
6610 * flow.c (init_propagate_block_info): Don't consider unchanging
6611 memories for dead frame store elimination.
6613 2001-01-23 Richard Henderson <rth@redhat.com>
6615 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6616 * defaults.h: ... here.
6618 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6620 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6622 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6624 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6626 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6628 * rs6000.h (rs6000_return_addr): Move prototype from here...
6629 * rs6000-protos.h (rs6000_return_addr): ...to here.
6630 (rs6000_init_expanders): Delete prototype.
6632 2001-01-23 Nick Clifton <nickc@redhat.com>
6634 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6635 (Spec Files): Document %B and %j and %. and %v3 and %M and
6636 %{S*&T} spec switches.
6638 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6640 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6642 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6643 Neil Booth <neil@daikokuya.demon.co.uk>
6645 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6646 Have -Werror make pedantic warnings errors, like the
6649 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6651 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6653 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6655 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6656 * integrate.c (expand_inline_function): Initialize them.
6657 (subst_constants): If changing COMPARE so that both its arguments
6658 will be VOIDmode and the comparison mode will be lost, note
6659 compare_mode. Use the recorded compare_mode to optimize
6662 2001-01-23 Jason Merrill <jason@redhat.com>
6664 * dwarf2out.c (new_die): Use xcalloc.
6665 (output_die): Abort rather than emit a local reference to offset 0.
6667 2001-01-17 Andrew Haley <aph@redhat.com>
6669 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6670 of a saved register; return NULL instead.
6671 (copy_reg): Take a pointer to a source register rather than a
6673 (next_stack_level): Remember the address in the stack frame of all
6675 Use the saved register pointer array as the source of the CFA.
6676 (throw_helper): Rewrite. Unwind once rather than twice and keep
6677 track of saved registers as we go.
6679 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6681 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6682 * c4x.c (c4x_legitimize_reload_address): Remove.
6683 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6684 reload address for ldp(k) insn.
6686 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6688 * pa.md (return_internal): Add a USE of the PIC register to ensure
6689 it is restored after each call.
6690 (return expander): Corresponding changes.
6692 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6694 * rs6000.h (INIT_EXPANDERS): Delete.
6695 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6696 * rs6000.c (rs6000_override_options): Call *_machine_status from
6698 (rs6000_init_expanders): ...instead of here. Delete.
6699 (rs6000_mark_machine_status): New function.
6700 (rs6000_init_machine_status): Use xcalloc.
6701 (rs6000_return_addr): Generate RTX for the return address.
6702 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6703 (rs6000_stack_info): Use it.
6705 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6707 * gthr-win32.h: Include errno.h to get a declaration for
6708 EINVAL and _mingw.h if the target is mingw32.
6710 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6712 * cpp.texi: Correct typos.
6714 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6716 * explow.c (probe_stack_range): Ensure value passed to
6717 stack_check_libfunc is ptr_mode, not Pmode.
6719 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6721 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6722 case, don't use operand_subword to calculate a SUBREG that is
6725 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6727 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6729 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6730 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6731 valid. If not replace it by equivalent insns.
6733 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6735 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6736 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6737 (c4x_U_constraint, symbolic_address_operand): Likewise.
6738 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6740 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6741 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6742 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6743 anulling slot because of silicon bug.
6744 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6746 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6748 * cppexp.c (parse_charconst): Change `mask' type to agree
6751 2001-01-21 Richard Henderson <rth@redhat.com>
6753 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6754 pic_label_name in a linkonce section.
6756 2001-01-17 Philipp Thomas <pthomas@suse.de>
6758 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6760 * configure: Regenerate.
6762 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6764 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6765 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6767 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6769 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6770 If REVERSE nonzero then condition code in X must be reversed.
6771 (encode_section_info): Optimise if/else.
6772 (avr_function_value): Fix formatting.
6774 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6775 (difficult_branch): Likewise.
6776 (rvbranch): Likewise.
6777 (difficult_rvbranch): Likewise.
6779 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6781 * config/avr/libgcc.S: Fix comment.
6783 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6785 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6787 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6789 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6791 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6793 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6794 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6795 * configure, config.in: Regenerate.
6796 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6797 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6798 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6799 (doprint.o): New rule.
6801 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6803 * c-typeck.c (digest_init): Handle boolean types as scalars.
6805 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6807 * stmt.c (expand_return): Don't return anything if size is zero.
6808 Delete redundant assignment to BYTES.
6809 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6811 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6813 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6814 the same as the default library function names.
6815 * config/avr/avr.md: Document special characters after '%'.
6816 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6817 knowing which of the call-used registers are really clobbered.
6818 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6819 New. Both quotient and remainder from one libgcc.S call.
6820 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6821 clobber as few registers as possible.
6822 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6824 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6826 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6827 context of the top of the stack.
6829 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6831 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6832 (fixup_var_refs_insns): ...here.
6834 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6836 * function.c (fixup_var_refs_insns): Break up into
6837 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6838 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6839 [loop over hash table entries].
6840 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6841 fixup_var_refs_insns_with_hash, to match above changes.
6843 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6845 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6846 (libgcc.a): Likewise.
6847 (stmp-multilib): Likewise.
6848 (STAGE2_FLAGS_TO_PASS): Likewise.
6850 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6852 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6853 temporary if no_new_pseudos.
6855 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6857 * cppinternals.texi: Update.
6859 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6861 * arm.c (arm_init_builtins): Re-enable builtins.
6863 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6865 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6866 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6867 element to be null, and always expect an EXPR_LIST.
6868 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6869 * sched-deps.c (sched_analyze_1): Likewise.
6870 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6872 * regclass.c (max_set_parallel): New variable.
6873 (reg_scan): Take it into account in computation of max_parallel.
6874 (reg_scan_mark_refs, case SET): Compute it.
6876 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6878 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6879 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6881 2001-01-19 Jason Merrill <jason@redhat.com>
6883 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6884 for the abstract instance of an inline function.
6886 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6887 J"orn Rennecke <amylaar@redhat.com>
6889 * reload1.c (move2add_note_store): Treat all registers directly or
6890 indirectly derived from a base register as members of the same set
6892 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6893 of base register into account.
6895 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6897 * alias.c (find_base_value): Recognize TRUNCATE.
6898 (record_set): In PLUS case, invalidate if other summand is also a
6901 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6903 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6904 entry to be EXPR_LIST.
6905 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6906 be an EXPR_LIST (but not null, which other code doesn't allow).
6907 (note_stores): Properly handle PARALLEL in SET.
6908 Recursively call for top-level PARALLEL.
6909 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6910 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6912 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6914 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6916 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6917 not pfile->skipping (== 0).
6919 2001-01-17 Nick Clifton <nickc@redhat.com>
6921 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6924 2001-01-17 Jim Wilson <wilson@redhat.com>
6926 * invoke.texi (IA-64 options): Improve.
6928 2001-01-17 Tom Tromey <tromey@redhat.com>
6930 * invoke.texi (Optimize Options): Use `{}' to around @samp
6933 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6935 * invoke.texi (-fno-guess-branch-probability): New option.
6937 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6939 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6940 case of making new double-word constant.
6941 Revert last change: instead just test i3_subst_into_i2.
6943 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6945 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6946 Use q constraints instead of r.
6948 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6950 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6951 (machine_function): Define.
6952 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6953 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6954 pa_free_machine_status): New functions.
6955 (override_options): Set {init,mark,free}_machine_status to above.
6956 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6957 PIC_OFFSET_TABLE_REGNUM_SAVED.
6958 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6959 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6960 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6961 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6962 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6964 2001-01-15 DJ Delorie <dj@redhat.com>
6966 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6970 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6972 * flow.c (propagate_on_insn): Make trying to delete a prologue
6973 or epilogue insn an ICE, not a warning. Allow doing this if
6974 the current function returns with stack pointer depressed.
6976 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6977 I3 having more than one SET.
6979 2001-01-16 Jim Wilson <wilson@redhat.com>
6981 * invoke.texi: Document IA-64 options.
6983 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6984 (fixup_errata): Delete TARGET_A_STEP use.
6985 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6986 (TARGET_SWITCHES): Delete -ma-step option.
6987 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6988 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6989 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6990 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6991 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6992 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6994 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6995 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6996 cmovsi_internal): Delete ! TARGET_A_STEP check.
6998 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7000 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7001 possibility to report bugs via postal mail. Change a URL and
7002 merge in a nearly duplicate statement...
7003 (Bug Reporting): ...from here.
7004 (Service): Refer to the Bug Reporting section instead of
7006 (Contributing): Remove trivial explanations concerning snapshots.
7008 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7010 * cppmain.c (general_init): Don't use ANSI prototype.
7012 2001-01-16 Tom Tromey <tromey@redhat.com>
7014 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7016 2001-01-16 Richard Henderson <rth@redhat.com>
7018 * config/i386/i386.h: Fix comment typo.
7019 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7020 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7022 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7024 * gcc.c: Revert previous -fsyntax-only-related change; move
7027 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7029 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7030 inmode after checking GET_CODE (op).
7032 2001-01-16 Richard Henderson <rth@redhat.com>
7034 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7035 (MAX_MEM_SET_LIST_LEN): New.
7036 (propagate_one_insn): Update mem_set_list_len.
7037 (invalidate_mems_from_autoinc): Likewise.
7038 (invalidate_mems_from_set): Likewise.
7039 (mark_used_regs): Likewise.
7040 (init_propagate_block_info): Likewise. Stop collecting memories
7041 when we reach MAX_MEM_SET_LIST_LEN.
7042 (mark_set_1): Likewise.
7044 2001-01-16 Richard Henderson <rth@redhat.com>
7046 * unroll.c (precondition_loop_p): Fail if no iteration
7049 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7051 * gcc.c: When -fsyntax-only is given, do not complain about
7054 2001-01-15 Richard Henderson <rth@redhat.com>
7056 * config/i386/i386.c (asm_output_function_prefix): Remove.
7057 (ix86_asm_file_end): New.
7058 (load_pic_register): Generate pic_label_name into a
7059 staticly allocated buffer.
7060 * config/i386/i386-protos.h: Update.
7061 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7062 (ASM_FILE_END): New.
7063 * config/i386/i386afe.h: New file.
7064 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7065 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7066 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7067 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7068 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7069 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7070 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7072 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7074 * Makefile.in (install-man): Remove explicit dependency on
7077 * configure.in, configure: Revert previous patch requiring perl
7080 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7082 * toplev.c (flag_guess_branch_prob): New.
7083 (f_options): Add guess-branch-probability option.
7084 (rest_of_decl_compilation): Only estimate branch probability if
7086 (main): set flag_guess_branch_prob.
7088 * flags.h (flag_guess_branch_prob): New.
7090 2001-01-15 DJ Delorie <dj@redhat.com>
7092 * gcc.texi (Makefile): Add documentation for Makefile targets.
7094 2001-01-15 Philip Blundell <philb@gnu.org>
7096 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7098 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7099 (is_pic): Delete declaration.
7100 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7101 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7102 * config/arm/arm.md (builtin_setjmp_receiver): New.
7104 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7106 * arm.c (use_return_insn): Don't try to determine the function type
7107 until after reload has completed.
7108 (arm_output_epilogue): Don't adjust the sp value recovered from the
7110 (emit_multi_reg_push): Don't record dwarf information for the pc.
7111 * arm.md (eh_epilogue): The function type may have changed, so it
7112 needs to be recalculated.
7113 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7114 unwind tables on arm/netbsd.
7116 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7118 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7119 (negated_cbranchsi4): Likewise.
7121 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7123 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7124 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7125 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7126 pass -mapcs-* options to assembler.
7127 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7128 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7129 (ASM_SPEC): Call subtarget_extra_asm_spec.
7131 2001-01-15 Andreas Jaeger <aj@suse.de>
7133 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7135 (ix86_expand_builtin): Likewise.
7137 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7138 warning about comparison between signed and unsigned.
7140 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7142 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7144 2001-01-14 Ralf Baechle <ralf@gnu.org>
7146 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7147 SUBTARGET_CPP_SPEC apropriatly.
7149 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7151 * varasm.c (make_decl_rtl): Fix typo in last change.
7153 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7155 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7156 linker supports the init_priority C++ attribute.
7157 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7158 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7159 linker does not support init_priority C++ attribute.
7161 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7163 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7165 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7167 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7168 * cp/lex.c (finish_parse): Similarly.
7169 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7170 Return the number of errors encountered.
7171 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7172 * cppmain.c (main): Don't call cpp_destroy.
7174 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7176 * configure.in: Require at least perl 5.6.0 to regenerate
7178 * configure: Regenerate.
7180 2001-01-14 Richard Henderson <rth@redhat.com>
7182 * genrecog.c (DT_veclen_ge): New.
7183 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7184 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7185 (nodes_identical_1): Handle DT_veclen_ge.
7186 (write_cond, debug_decision_2): Likewise.
7188 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7190 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7192 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7194 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7196 * cppmain.c (do_preprocessing): New function; most of the old
7198 (main): Call it to do most of the work.
7199 (cb): Move from global scope to set_callbacks ().
7200 (setup_callbacks): Get the callback pointer.
7201 (general_init, printer_init): Clean up code and comments.
7203 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7205 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7208 2001-01-14 Kazu Hirata <kazu@hxi.com>
7210 * config/h8300/h8300.c (get_shift_alg): Update comments.
7212 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7214 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7215 (alloc_page, ggc_alloc): Add casts to remove warnings.
7217 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7219 * combine.c (simplify_comparison): Don't change `code' when
7220 can't reverse comparison.
7222 2001-01-14 Richard Henderson <rth@redhat.com>
7224 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7225 update all call sites. Return true for all non-label constants.
7227 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7229 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7231 (ix86_expand_branch): Update.
7232 (ix86_expand_setcc): Update to handle multiple test conditions.
7233 (expand_int_movcc): Likewise.
7234 (expand_fp_movcc): Likewise.
7235 * i386-protos.h (ix86_expand_compare): New.
7236 * i386.md (andqi_?_slp, orqi_?_slp): New.
7237 (conditional trap expander): Update call to ix86_expand_compare.
7239 2001-01-14 Richard Henderson <rth@redhat.com>
7241 * config/vax/vax.md: Use nonimmediate_operand instead of
7242 general_operand in destinations.
7244 * config/vax/vax.md (indirect_jump): Use register_operand.
7246 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7247 * config/vax/vax.md (call_pop): Turn into an expander.
7248 (call_value_pop): Likewise.
7249 (call, call_value): New.
7251 2001-01-14 Andreas Jaeger <aj@suse.de>
7253 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7255 (ix86_fp_compare_mode): Add unused attribute.
7256 (ix86_expand_fp_movcc): Remove unused variable.
7257 (ix86_expand_builtin): Make fcode unsigned.
7259 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7260 (expand_expr): Add cast to avoid signed warning.
7261 (store_field): Likewise.
7262 (store_constructor_field): Likewise.
7263 (store_constructor): Likewise.
7264 (store_expr): Likewise.
7265 (clear_storage): Likewise.
7266 (emit_group_store): Likewise.
7267 (emit_group_load): Likewise.
7269 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7271 * c-common.c: Move format checking code to ...
7272 * c-format.c: ... here. New file. Reorder some functions and
7274 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7276 * c-common.h (decl_handle_format_attribute,
7277 decl_handle_format_arg_attribute): Declare.
7278 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7279 (c-common.o): Adjust dependencies.
7280 (c-format.o): New list of dependencies.
7282 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7284 * unroll.c (loop_iterations): If we cannot prove iteration variable
7285 is set once in each iteration, punt.
7287 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7289 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7290 (*strlenhi): Remove clobber (which was buggy) of output address.
7292 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7294 * Makefile.in (generated-manpages): Add gcc.1
7295 ($(srcdir)/gcc.1): New target.
7296 (maintainer-clean): Delete $(srcdir)/gcc.1.
7297 * gcc.texi: Add macros @gccoptlist and @gol.
7298 * invoke.texi: Include option summary in manpage. Mark up option
7299 summary with @gccoptlist and @gol. Use @r in one place where
7301 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7302 * gcc.1: Generate from invoke.texi.
7304 2001-01-13 Richard Henderson <rth@redhat.com>
7306 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7307 (struct page_entry): Add group member.
7308 (struct page_group): New.
7309 (struct globals): Add page_groups member.
7310 (alloc_anon): Only define for using mmap; remove valloc call.
7311 (page_group_index): New.
7312 (set_page_group_in_use): New.
7313 (clear_page_group_in_use): New.
7314 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7315 (free_page, release_pages): Likewise.
7316 * configure.in (with-gc): Default to ggc-page always.
7318 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7320 * reload1.c (replace_pseudos_in_call_usage): Use
7321 reg_equiv_constant and reg_equiv_address, and don't try
7322 regno_reg_rtx first.
7324 2001-01-13 Richard Henderson <rth@redhat.com>
7326 * ggc-page.c (alloc_page): Round up allocation size to one page.
7327 Set e->order on extra pages.
7329 2001-01-13 Richard Henderson <rth@redhat.com>
7331 * genrecog.c (nodes_identical): Expand commentary.
7332 (write_switch): Watch out for identical nodes.
7334 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7336 * cppfiles.c (_cpp_fake_include): New function.
7337 * cpphash.h (_cpp_fake_include): New.
7338 * cpplib.c (do_line): Call _cpp_fake_include when entering
7339 header files in preprocessed input.
7340 * cppmain.c (cb_pragma_implementation): Remove handling.
7341 (setup_callbacks): Don't register pragmas.
7343 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7345 * extend.texi: Udate for CPP.
7347 2001-01-13 Andreas Jaeger <aj@suse.de>
7349 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7351 * regmove.c: Add prototype for replace_in_call_usage.
7353 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7355 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7356 struct cpp_chunk, struct htab, struct toklist,
7357 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7358 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7359 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7360 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7361 (struct macro_args): Delete.
7362 * cpphash.h: See above.
7364 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7366 * cppmain.c (struct printer): Remove no_line_dirs.
7368 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7369 : Use options rather than CPP_OPTION.
7370 (setup_callbacks): Use cb rather than pfile->cb.
7371 (main): No need to check for a buffer. Use cpp_errors.
7372 (printer_init): Don't set no_line_dirs.
7373 (maybe_print_line): Use options not no_line_dirs.
7374 (cb_file_change): Don't call print_line if -P.
7376 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7378 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7380 * c-parse.in (finish_parse): Use cpp_errors.
7381 (__yylex): Use return value of cpp_pop_buffer.
7382 * cp/lex.c (finish_parse): Use cpp_errors.
7383 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7385 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7387 * README.AVR: URLs corrected.
7389 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7391 * c-decl.c (start_function): Don't warn if old prototype is builtin
7392 that's not in C's namespace.
7393 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7394 (_bb): Add prototype for ctime.
7395 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7397 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7399 * i386.c (ix86_fp_comparison_arithmetics_cost,
7400 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7401 ix86_fp_comparison_cost): New functions.
7402 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7403 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7404 two-branch sequences; make static.
7405 (ix86_use_fcomi_compare): Do decision according to the costs.
7406 (split_fp_branch): New.
7407 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7408 * i386-protos.h (ix86_expand_fp_compare): Remove
7409 (ix86_split_fp_branch): Declare.
7411 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7412 and ix86_comparison_operator.
7414 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7417 * i386.c (put_condition_code): Output properly the unordered/ordered
7418 compares in fp case.
7419 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7421 * tm.texi (REVERSE_CONDITION): Document.
7422 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7423 in -ffast-math mode.
7424 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7426 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7428 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7430 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7433 * config/sh/sh.c (mova_p): Fix test for mova_const.
7435 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7437 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7438 cpp_get_options rather than dereferencing pfile and using
7440 * scan-decls.c (scan_decls): Use return value of
7441 cpp_pop_buffer rather than CPP_BUFFER.
7443 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7445 * cppinit.c (cpp_handle_option): help_only is now part of the
7446 cpp_options structure.
7447 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7448 cpp_set_callbacks): New functions.
7449 * cpplib.h (cpp_callbacks): Break out as a named structure.
7450 (cpp_options): Move help_only here from cpp_reader.
7451 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7452 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7453 cpp_set_callbacks): New prototypes.
7454 * cppmain.c (main): Update for help_only.
7456 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7458 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7459 Also build and remove and install and uninstall c-tree.info and
7461 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7462 ($(srcdir)/cppinternals.info): New target.
7463 * c-tree.texi: Change file name used when makeinfo used without -o
7464 from ir.info to c-tree.info. Add info directory entry.
7465 * cppinternals.texi: Add info directory entry.
7466 * .cvsignore: Update.
7468 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7470 * c-typeck.c (store_init_value): Don't require constant initializer
7471 elements with -pedantic -std=c99.
7472 (digest_init): Change error about non-constant initializer elements
7474 (constructor_range_end): Remove.
7475 (constructor_incremental, designator_depth,
7476 designator_errorneous): New variables.
7477 (struct constructor_stack): Remove range_end, add incremental.
7478 (struct constructor_range_stack, constructor_range_stack): New.
7479 (struct initializer_stack): Add constructor_range_stack.
7480 (finish_init): Set it.
7481 (start_init): Likewise. require_constant_elements for non-static
7482 trees only if not flag_isoc99.
7483 (really_start_incremental_init): Remove constructor_range_end, add
7484 constructor_incremental.
7485 (pop_init_level): Likewise.
7486 (push_init_level): Likewise. If implicit and the subobject had some
7487 value set already, preinitialize the level with it.
7488 Warn about missing braces only if not pushing due to designators.
7489 (set_designator, push_range_stack): New functions.
7490 (set_init_label): Use them.
7491 (set_init_index): Likewise. Remove constructor_range_end.
7492 Error if designator index is outside of array bounds.
7493 (add_pending_init): Compare values of purpose index trees, not the
7494 trees themselves. Allow overwriting of already initialized element.
7495 Issue a warning if it had side-effects.
7496 (set_nonincremental_init, set_nonincremental_init_from_string): New
7498 (pending_init_member): Rename to...
7499 (find_init_member): ...this function. Call set_nonincremental_init
7500 if necessary. Compare values of purpose index trees, not the trees
7501 themselves. Return the actual value, not just non-zero if something
7503 (output_init_element): Remove checks for duplicates.
7504 If field has zero size, only check the initializer for correctness.
7505 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7506 if constructor_incremental is zero. Change error about initializers
7507 not computable at load time into pedwarn.
7508 (output_pending_init_elements): Compare bit positions, not
7509 FIELD_DECLs to take into account zero-sized fields.
7510 (process_init_element): Use constructor_range_stack to fill all
7511 ranges in the designator lists from current level up.
7512 * extend.texi: Update documentation for labeled elements.
7514 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7516 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7517 to function usage for arguments passed by reference. Optimize
7518 callee-copied arguments.
7519 * regmove.c (replace_in_call_usage): New function.
7520 (fixup_match_1): Call it.
7521 * cse.c (cse_insn): Canonicalize registers in function usage.
7522 * reload1.c (replace_pseudos_in_call_usage): New function.
7525 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7528 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7530 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7533 2001-01-12 DJ Delorie <dj@redhat.com>
7535 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7536 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7539 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7541 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7542 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7543 -std options alongside references to -ansi. Update some
7544 documentation for C99.
7545 * cpp.1: Regenerate.
7547 2001-01-12 Andreas Jaeger <aj@suse.de>
7549 * haifa-sched.c (restore_line_notes): Remove argument block B
7551 * sched-ebb.c (schedule_ebb): Change caller.
7552 * sched-rgn.c (schedule_region): Likewise.
7553 * sched-int.h (restore_line_notes): Adjust prototype.
7555 * loop.h: Remove wrong declaration of doloop_condition_get.
7557 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7559 * extend.texi: Move C++-extension-related node from the C section
7560 into the C++ section.
7562 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7564 * extend.texi: Refer to an array of pointers to functions instead
7565 of one of functions.
7567 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7568 Jan Hubicka <jh@suse.cz>
7570 * combine.c (reversed_comparison): Fix typo in last patch.
7572 (combine_reversed_comparison_code): Make static to follow
7573 prototype declaration.
7575 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7577 * install.texi: Remove misplaced duplicate entry.
7579 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7581 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7583 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7585 * final.c: (leaf_function_p): Fix typo.
7587 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7589 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7590 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7592 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7593 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7594 mmap_anon, and valloc is available.
7595 * ggc-page.c: Restructure ifdef logic to match new autoconf
7596 spec. Don't throw away the test page in init_ggc.
7598 * configure, config.in: Regenerate.
7600 2001-01-12 Michael Hayes <mhayes@redhat.com>
7602 * loop.h (total_biv_increment): Constify iv_class pointer.
7603 (struct induction): Replace `mem_mode' with `mem' rtx.
7604 * unroll.c (total_biv_increment): Constify iv_class pointer.
7605 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7606 (find_mem_givs, combine_givs_p): Likewise.
7607 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7609 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7611 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7613 (__gthread_getspecific): Ditto.
7615 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7617 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7618 put_condition_code): Convert fp comparison codes to integer
7620 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7623 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7624 * i386-protos.h (no_comparison_operator): Kill.
7626 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7628 * combine.c (REVERSIBLE_CC_MODE): Remove.
7629 (reversible_comparison_p): Remove.
7630 (combine_reversed_comparison_code): New.
7631 (reversed_comparison): New.
7632 (combine_simplify_rtx): Use
7633 combine_reversed_comparison_code/reversed_comparison instead
7634 of reversible_comparison_p.
7635 (simplify_if_then_else): Likewise.
7636 (simplify_set): Likewise.
7637 (simplify_logical): Likewise.
7638 (if_then_else_cond): Likewise.
7639 (known_cond): Likewise.
7640 (simplify_comparison): Likewise.
7642 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7644 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7645 sizeof (int) is larger than sizeof(__word__).
7647 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7649 * cppinit.c (do_includes): Fix typo.
7651 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7653 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7654 in S_REGS does not occur because not all sources are possible
7655 when a S_REGS is a destination (sometimes needs a clobber).
7656 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7657 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7658 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7659 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7660 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7661 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7662 (lshrdi_const1, lshrsi3_const16): Likewise.
7663 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7664 (*movhi_68hc12, *movqi_68hc12): Likewise.
7665 (movstrictqi): Make sure reloading in D_REGS as a destination
7668 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7670 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7672 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7674 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7675 -D, -U and -A, and don't initialize the builtins.
7676 (do_includes): Error if -include or -imacros with -fpreprocessed.
7677 * cppmain.c (cb_define, cb_undef): Unconditionally process
7679 * tradcpp.c (main): Fix typo.
7681 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7683 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7684 (read_name_map): Use IS_ABSOLUTE_PATH.
7685 * tradcpp.c (get_filename): Likewise.
7687 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7689 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7690 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7691 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7692 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7693 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7694 (cmphi_z_used): Don't use '@' for the output.
7695 (tstqi_z_used): Likewise.
7696 (cmpqi_z_used): Likewise.
7697 (one_cmplsi2): Likewise.
7699 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7701 * config/sh/sh.c (barrier_align): Recognize branch around far
7702 branch and redundant insn.
7704 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7706 * invoke.texi: Restore documentation of the drivers' switches -MD
7709 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7711 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7713 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7714 check-objc//%): Support parallel testing of multilibs.
7715 (TESTSUITEDIR): Set to testsuite by default, but override for
7717 (check-gcc, check-g++, check-g77, check-objc): Enter
7720 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7722 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7723 * sched-deps.c (deps_may_trap_p): Likewise.
7724 * basic-block.h: Remove a comment.
7725 * flow.c (PROP_POSTRELOAD): Remove.
7726 (update_life_info): Don't add it to prop_flags.
7727 (mark_set_1): Lose the code that was enabled by it.
7729 2001-01-11 Michael Hayes <mhayes@redhat.com>
7731 * flow.c (flow_call_edges_add): New.
7732 * basic_block.h (flow_call_edges_add): New.
7734 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7736 * reload1.c (move2add_note_store): Update reg_set_luid even if
7737 base reg remains the same.
7739 2001-01-10 Nick Clifton <nickc@redhat.com>
7741 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7742 machine_function structure to zero.
7743 Add prototypes for machine_status functions.
7745 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7747 * c-common.h (CTI_VOID_LIST): Remove.
7748 (void_list_node): Likewise.
7749 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7750 (void_list_node): New macro.
7751 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7752 * config/i386/i386.c (ix86_init_builtins): Likewise.
7753 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7755 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7757 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7758 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7760 * tradcpp.c: Include mkdeps.h.
7761 (deps, print_deps_phony_targets, deps_append, output_deps,
7762 init_dependency_output, output_deps): New.
7763 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7764 deps_output): Delete.
7765 (print_deps_missing_files): Rename deps_missing_files.
7766 (inhibit_output): Make global.
7767 (main): Delete inhibit_output, deps_stream, deps_target.
7768 Use mkdeps functionality in the same way as cpplib. Remove
7769 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7770 -M and -MM. Remove old handling of deps via deps_out, and
7771 old reading of environment variables.
7772 (get_filename): Update to use deps_add_dep.
7774 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7776 * output.h (make_function_rtl): Remove prototype.
7777 (make_decl_rtl): Likewise.
7778 * varasm.c (make_function_rtl): Remove.
7779 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7780 than from a third parameter.
7781 * tree.h (make_decl_rtl): Remove last parameter.
7782 * c-decl.c (builtin_function): Remove last argument in call to
7783 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7784 (start_function): Likewise.
7785 * except.c (call_get_eh_context): Likewise.
7786 * expr.c (emit_block_move): Likewise.
7787 (clear_storage): Likewise.
7788 * profile.c (output_func_start_profiler): Likewise.
7789 * toplev.c (rest_of_decl_compilation): Likewise.
7790 * objc/objc-act.c (create_builtin_decl): Likewise.
7791 (synth_module_prologue): Likewise.
7792 (generate_static_reference): Likewise.
7793 (build_selector_reference_decl): Likewise.
7794 (build_class_reference_decl): Likewise.
7795 (build_objc_string_decl): Likewise.
7796 (build_protocol_reference): Likewise.
7798 2001-01-10 Richard Henderson <rth@redhat.com>
7800 * hwint.h: Revert yesterday's change.
7802 2001-01-10 Nick Clifton <nickc@redhat.com>
7804 * function.h (save_machine_status): Delete.
7805 (restore_machine_status): Delete.
7806 Amend comment describing {init|mark|free}_machine_status.
7808 * function.c (save_machine_status): Delete.
7809 (restore_machine_status): Delete.
7810 Amend comment describing {init|mark|free}_machine_status.
7811 (push_function_context_to): Remove invocation of
7812 save_machine_status.
7813 (pop_function_context_from): Remove invocation of
7814 restore_machine_status.
7816 * emit-rtl.c (init_emit_once): Amend comment describing
7817 {init|mark|free}_machine_status.
7819 * tm.texi (Per-Function Data): New node. Describe the
7820 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7823 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7825 * cppinit.c (OPT_g): Remove.
7826 (cpp_handle_option): Update for removed -g3.
7827 (print_help): Update.
7828 * cpplib.h (struct cpp_options): Remove debug_output.
7829 * cppmain.c (setup_callbacks, cb_define): Update.
7830 * gcc.c (cpp_options): Translate -g3 to -dD.
7832 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7834 * config/i960/i960.md: Change modifier to + on the zero_extract
7835 pattern after the (rotate -2 reg) canonicalization pattern.
7837 2001-01-10 Richard Henderson <rth@redhat.com>
7839 * config/alpha/alpha.c (alpha_free_machine_status): New.
7840 (override_options): Install it.
7841 (alpha_mark_machine_status): Verify machine non-null.
7842 * config/i386/i386.c (ix86_free_machine_status): New.
7843 (override_options): Install it.
7844 (ix86_init_machine_status): Use xcalloc.
7845 (ix86_mark_machine_status): Verify machine non-null.
7846 * config/ia64/ia64.c (ia64_free_machine_status): New.
7847 (ia64_override_options): Install it.
7848 (ia64_mark_machine_status): Verify machine non-null.
7850 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7852 * function.c (instantiate_virtual_regs): Instantiate virtual
7853 registers found in CALL_INSN_FUNCTION_USAGE.
7855 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7857 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7858 equivalent to -ansi in disabling -Di386.
7860 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7862 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7864 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7866 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7868 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7870 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7872 * invoke.texi: Document that -fcond-mismatch isn't supported for
7875 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7877 * gcc.texi: Define macro gcctabopt.
7878 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7879 @command, @env and @option in some places where appropriate. Use
7880 @gcctabopt where appropriate. Put URLs and email addresses inside
7883 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7885 * gcc.c (cpp_options): Set MD file name from output
7886 filename, if specified.
7887 (suffix_subst): New static variable.
7888 (do_spec): Clear it.
7889 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7891 (give_switch): Handle suffix_subst.
7893 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7895 * invoke.texi: Fix another typo.
7897 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7899 * invoke.texi: Fix typo.
7901 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7903 * c-lang.c (lang_hooks): Update.
7904 (lang_decode_option): Remove.
7905 (lang_init_options): Rename c_init_options.
7906 * toplev.c (main): Use lang_hooks for lang_init_options
7907 and lang_decode_option.
7908 * toplev.h (lang_hooks): Add 2 new hooks.
7909 * tree.h: Remove lang_init_options and lang_decode_option.
7910 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7911 * cp/decl2.c: Similarly.
7912 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7913 (lang_hooks): Update.
7914 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7916 (lang_init_options): Rename ffe_init_options.
7917 (lang_hooks): Update.
7918 (lang_decode_option): Remove.
7919 * java/lang.c (lang_init_options): Rename java_init_options.
7920 (lang_decode_option): Rename java_decode_option.
7921 (lang_hooks): Update.
7922 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7923 (lang_decode_option): Rename objc_decode_option.
7924 (lang_hooks): Update.
7926 2001-01-09 Nick Clifton <nickc@redhat.com>
7928 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7929 (d30v_return_addr_rtx): Delete.
7930 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7931 cfun->machine structure.
7932 (struct machine_function): Move to d30v.h
7933 (d30v_save_machine_status): Delete.
7934 (d30v_restore_machine_status): Delete.
7935 (d30v_init_machine_status): New Function.
7936 (d30v_mark_machine_status): New Function.
7937 (d30v_free_machine_status): New Function.
7938 (d30v_init_expanders): Use new functions.
7939 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7940 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7941 d30v_return_addr_rtx.
7943 * config/d30v/d30v.h (struct_machine): Move here.
7944 Add eh_epilogue_sp_ofs field.
7946 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7947 field in cfun->machine structure.
7949 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7951 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7952 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7953 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7955 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7957 * objc/lang-options.h: Remove bogus reference to
7960 2001-01-09 Kazu Hirata <kazu@hxi.com>
7962 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7965 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7967 * reload.c (find_reloads_address): Check for eliminable registers
7968 when substituting a constant expression for a pseudo.
7970 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7972 * c-common.c (enum format_type): Add format_type_error.
7973 (decode_format_type): New function.
7974 (decl_attributes): Use it.
7975 (format_kind_info): Adjust comment.
7977 2001-01-09 David O'Brien <obrien@BSDi.com>
7979 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7980 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7982 * config/i386/gnu.h: Don't include required platform specific .h files,
7983 tm.h will do it instead.
7984 * config/i386/i386elf.h: Likewise.
7985 * config/i386/linux.h: Likewise.
7986 * config/i386/moss.h: Likewise.
7987 * config/mips/gnu.h: Likewise.
7989 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7991 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7992 (rs6000-ibm-aix3.[01]*): Likewise.
7993 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7994 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7995 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7996 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7997 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7998 (powerpc-*-eabiaix*): Likewise.
7999 (powerpc-*-eabisim*): Likewise.
8000 (powerpc-*-elf*): Likewise.
8001 (powerpc-*-eabi*): Likewise.
8002 (powerpc-*-rtems*): Likewise.
8003 (powerpc-*-linux*libc1): Likewise.
8004 (powerpc-*-linux*): Likewise.
8005 (powerpc-wrs-vxworks*): Likewise.
8006 (powerpcle-wrs-vxworks*): Likewise.
8007 (powerpcle-*-sysv*): Likewise.
8008 (powerpcle-*-elf*): Likewise.
8009 (powerpcle-*-eabisim*): Likewise.
8010 (powerpcle-*-eabi*): Likewise.
8011 (powerpcle-*-solaris2*): Likewise.
8012 * config/rs6000/aix31.h: Delete includes.
8013 * config/rs6000/aix3newas.h: Likewise.
8014 * config/rs6000/aix41.h: Likewise.
8015 * config/rs6000/aix43.h: Likewise.
8016 * config/rs6000/beos.h: Likewise.
8017 * config/rs6000/rtems.h: Likewise.
8018 * config/rs6000/sysv4.h: Likewise.
8020 2001-01-09 Kazu Hirata <kazu@hxi.com>
8022 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8023 Change an argument mode of machine_mode to shift_mode of
8024 shift_mode. Remove an extra error check.
8025 (emit_a_shift): Adopt to the new calling prototype of
8027 (function_prologue): Fix code for a monitor
8028 function. Support H8/S.
8029 (function_epilogue): Do not output pop for a monitor function.
8031 2001-01-09 Nick Clifton <nickc@redhat.com>
8033 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8034 (setup_incoming_varargs): Use sysv_varargs_p field of the
8035 cfun->machine structure.
8036 (struct machine_function): Move to rs6000.h
8037 (rs6000_save_machine_status): Delete.
8038 (rs6000_restore_machine_status): Delete.
8039 (rs6000_init_machine_status): New Function.
8040 (rs6000_free_machine_status): New Function.
8041 (rs6000_init_expanders): Use new functions.
8043 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8045 (struct machine_function): Move here.
8047 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8048 sysv_varargs_p field of the cfun->machine structure.
8050 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8052 (rs6000_restore_machine_status): Remove prototype.
8054 2001-01-09 Richard Henderson <rth@redhat.com>
8056 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8057 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8058 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8059 (sched_analyze_2, sched_analyze_insn): Likewise.
8060 (sched_analyze, init_deps): Likewise.
8061 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8062 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8063 (compute_block_backward_dependences): Update propagate_deps call.
8065 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8067 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8069 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8071 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8072 (cpp_handle_option): Handle them.
8073 (cpp_post_options): Ensure one of -M or -MM is specified with
8074 any other -M? option.
8075 (init_dependency_output): Suppress output with -MG.
8077 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8080 * invoke.texi: Update.
8082 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8084 * sh.md (reload_outsf): Generate recognizable patterns for
8087 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8089 * c-lang.c (lang_hooks): Update.
8090 (lang_init): Rename c_init.
8091 (lang_finish): Remove.
8092 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8094 * toplev.h (lang_hooks): Add init () and finish ().
8095 * tree.h (lang_init, lang_finish): Remove.
8096 * cp/tree.h (lang_init, lang_finish): Remove.
8097 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8098 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8100 (lang_init, lang_finish): Remove.
8101 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8102 (lang_hooks): Update.
8103 * java/lang.c (lang_init): Rename java_init.
8104 (lang_finish): Remove.
8105 (lang_hooks): Update.
8106 * objc/objc-act.c (lang_init): Rename objc_init.
8107 (lang_finish): Remove.
8108 (lang_hoooks): Update.
8110 20001-01-09 Graham Stott <grahams@redhat.com>
8112 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8113 after `ptr` is initialised.
8115 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8117 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8118 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8119 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8120 stack adjusts, instead of r3.
8122 2001-01-09 Michael Hayes <mhayes@redhat.com>
8124 * flow.c (flow_loop_scan): Break out of ...
8125 (flow_loops_find) ... here.
8126 * basic-block.h (flow_loop_scan): New.
8127 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8128 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8130 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8132 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8134 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8135 realloc()ing macro_buffer.
8137 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8138 if it's wider than long and the target's long is wider than the
8141 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8143 Remove support for using UWIN as a host machine.
8144 * configure.in: Issue an error message.
8145 * configure: Regenerated.
8146 * config.gcc: Remove xm_* UWIN configury.
8147 * config/i386/xm-uwin.h: Remove.
8149 2001-01-08 Nick Clifton <nickc@redhat.com>
8151 * config/v850/v850.c (ra_rtx): Delete.
8152 (v850_save_machine_status): Delete.
8153 (v850_restore_machine_status): Delete.
8154 (v850_init_machine_status): New function.
8155 (v850_mark_machine_status): New function.
8156 (v850_free_machine_status): New function.
8157 (v850_return_addr): Use ra_rtx field in machine structure.
8158 (v850_init_expanders): Use new functions.
8160 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8161 * config/v850/v850.c: Change arguments to v850_output+* functions
8162 to take a const char *, to avoid compile time warning.
8163 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8164 (USER_LABEL_PREFIX): Redefine.
8166 2000-01-08 Jim Wilson <wilson@redhat.com>
8168 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8169 1 to unsigned HOST_WIDE_INT before left shift.
8171 2001-01-08 Nick Clifton <nickc@redhat.com>
8173 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8174 the machine structure has been allocated.
8175 (arm_free_machine_status): New function: Free the machine
8176 specific function structure.
8178 2001-01-08 Richard Henderson <rth@redhat.com>
8180 * jump.c (simplejump_p): Revert last change.
8182 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8184 * cppinit.c (init): Rename init_library.
8185 (cpp_create_reader): Update.
8186 * gcc.c (cpp_options): If -o given, use it as the target of
8189 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8191 * arm.c (arm_arch5e): New variable.
8192 (all_cores): XScale is a 5TE device.
8193 (arm_override_options): Set arm_arch5e.
8194 (arm_init_builtins): __builtin_prefetch is in arch5e.
8195 * arm.h (arm_arch5e): Declare it.
8197 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8199 * arm.md (define_constants): Add defines for UNSPEC and
8200 UNSPEC_VOLATILE insns. Update all users.
8201 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8202 * arm.c (multi_register_push, note_invalid_constants)
8203 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8204 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8205 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8207 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8209 * jump.c (jump_optimize_1): Use reversed_comparison_code
8210 instead of can_reverse_comparison_p.
8211 (jump_back_p): Likewise.
8212 (invert_exp_1): Likewise.
8213 (thread_jumps): Likewise.
8214 * simplify-rtx.c (simplify_unary_operation): Likewise.
8215 (simplify_ternary_operation): Likewise.
8216 * cse.c (find_comparison_args): Convert to use
8217 can_reverse_comparison_p.
8218 (record_jump_equiv): Likewise.
8220 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8222 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8223 (EPILOGUE_USES): Define.
8224 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8225 automatically stack the LR if it isn't live.
8227 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8229 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8232 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8234 * ggc-page.c (max_alignment): New structure.
8235 (MAX_ALIGNMENT): New macro.
8236 (init_ggc): Use it to round up the sizes in the
8237 extra_order_size_table.
8239 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8241 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8244 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8246 * builtins.def (BUILT_IN_FPRINTF): New entry.
8248 * c-common.c (c_expand_builtin_fprintf): New function.
8249 (init_function_format_info): Handle __builtin_fprintf.
8250 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8251 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8253 * c-decl.c (duplicate_decls): Adjust comment.
8255 * extend.texi (fprintf): Document new builtin.
8257 2001-01-07 Richard Henderson <rth@redhat.com>
8259 * jump.c (simplejump_p): Recognize any single_set jump
8262 2001-01-07 Richard Henderson <rth@redhat.com>
8264 * configure.in (slibdir): Accept an --with-slibdir option.
8265 Use "test" not "[" in configure. Default to $(libdir).
8267 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8269 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8270 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8271 (SHLIB_LINK): Create links for the soname.
8272 * config/mips/t-iris6: Likewise.
8273 * config/sparc/t-slibgcc: Likewise.
8274 * config/sparc/t-slibgcc-sld: Likewise.
8276 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8278 * config/i386/i386.c (constant_call_address_operand): Accept
8279 (const (plus (symbol_ref) (const_int))).
8280 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8281 constant_call_address_operand.
8283 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8285 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8286 and LONG_LONG_TYPE_SIZE > 32.
8288 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8290 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8291 the previous change.
8293 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8295 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8297 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8298 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8299 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8302 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8304 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8306 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8308 * c-lang.c (c_post_options): Call cpp_post_options.
8309 * objc/objc-act.c (objc_post_options): Similarly.
8310 * cppmain.c (main): Similarly.
8311 * fix-header.c (read_scan_file): Similarly.
8312 * cppinit.c (cpp_start_read): Move option consistency checks
8313 to cpp_post_options. Don't call init_dependency_output.
8314 If needed, add default target and main file dependency.
8315 (OPT_MD, OPT_MMD): Remove.
8317 (cpp_handle_option): Update for OPT_* changes.
8318 (cpp_post_options): New.
8319 (init_dependency_output): Command line -MF overrides environment
8320 variables. Don't set default target etc. Suppress output
8321 if dependencies are going to stdout.
8322 (print_help): Update.
8323 * cpplib.h (cpp_post_options): New.
8324 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8326 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8328 * jump.c (comparison_dominates_p): Support unordered compares.
8330 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8332 * simplify-rtx.c (simplify_relational_operation): Always simplify
8333 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8336 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8338 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8339 (nonzero_bits): Likewise.
8340 (simplify_comparison): Likewise.
8341 (num_sign_bit_copies): Likewise; return more sane value depending
8342 on STORE_FLAG_VALUE.
8343 (known_cond): Do not assume EQ to be always true for equivalent
8346 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8348 * cse.c (fold_rtx): Handle unordered comparisons.
8350 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8352 * rtlanal.c (set_of_1): New static function.
8353 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8354 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8355 reg_set_last_last_regno): Remove.
8356 (set_of): New global function.
8357 (set_of_data): New structure.
8358 (reg_set_p, reg_set_last): Revamp for set_of.
8359 * rtl.h (set_of): New.
8361 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8363 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8364 * extend.texi: Document _Exit builtin.
8366 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8368 * (initialize, initialize_builtins,
8369 initialize_dependency_output, initialize_standard_includes):
8370 Rename s/initialize/init. Update.
8371 (init_dependency_output): Move to after
8372 cpp_handle_options, the correct location temporally at least.
8373 (opt_comp): Move next to init (), its caller. Fix prototype.
8374 (init): Make "initialized" local scope.
8375 (cpp_create_reader): Always call init ().
8376 (cpp_start_read): Update.
8377 (output_deps): New function, broken out of cpp_finish.
8378 (cpp_finish): Break out output_deps.
8380 2001-01-07 Richard Henderson <rth@redhat.com>
8382 * collect2.c (COFF specific stuff): Revert 12-06 patch
8383 to prototype system functions.
8385 2001-01-07 Michael Hayes <mhayes@redhat.com>
8387 * hard-reg-set.h: Add multiple include guard.
8388 * basic-block.h (struct loop): Add `sink' field.
8389 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8390 (emit_iv_add_mult): Delete.
8391 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8392 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8393 (unroll_loop): Remove end_insert_before argument.
8394 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8395 (maybe_eliminate_biv_1): Likewise.
8396 (emit_iv_add_mult): Delete.
8397 (gen_add_mult, loop_regs_update): New.
8398 (loop_insn_emit_after, loop_insn_emit_before): New.
8399 (loop_insn_sink, loop_insn_sink_or_swim): New.
8400 (emit_iv_add_mult): Delete.
8401 (scan_loop): Set loop->sink.
8402 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8403 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8404 (maybe_eliminate_biv_1): Likewise.
8405 (maybe_eliminate_biv_1): Add basic block argument.
8406 * unroll.c (unroll_loop): Remove end_insert_before argument.
8407 (find_splittable_regs): Likewise.
8408 (find_splittable_regs): Use loop_insn_sink and its ilk.
8409 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8411 2001-01-07 Michael Hayes <mhayes@redhat.com>
8413 * loop.h (loop_insn_hoist): New prototype.
8414 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8415 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8416 (check_dbra_loop, load_mems): Likewise.
8417 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8418 (find_splittable_givs): Likewise.
8420 2001-01-07 Michael Hayes <mhayes@redhat.com>
8422 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8424 2001-01-07 Richard Henderson <rth@redhat.com>
8426 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8428 2001-01-07 Richard Henderson <rth@redhat.com>
8430 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8431 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8432 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8433 variant that handles a shared libgcc.
8434 (process_command): Always validate -{static,shared}-libgcc.
8435 (do_spec_1): New 'M' case.
8436 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8438 2001-01-07 Richard Henderson <rth@redhat.com>
8440 * Makefile.in (slibdir): New variable.
8441 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8442 (installdirs): Create slibdir.
8443 (install-libgcc, install-multilib): Defer to libgcc.mk.
8444 * configure.in (slibdir): Substitute.
8445 * mklibgcc.in (install): New target.
8447 * config/t-linux (SHLIB_LINK): Create links for the soname.
8448 (SHLIB_INSTALL): New.
8449 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8450 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8451 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8452 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8453 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8455 2001-01-07 Richard Henderson <rth@redhat.com>
8457 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8458 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8459 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8461 2001-01-07 Michael Hayes <mhayes@redhat.com>
8463 * loop.c (count_loop_regs_set): Delete.
8464 (load_mems_and_recount_loop_regs_set): Delete.
8465 (loop_regs_scan): Merge common code from count_loop_regs_set,
8466 scan_loop, and load_mems_and_recount_loop_regs_set.
8467 (scan_loop): Call load_mems directly and loop_regs_scan
8468 again if new registers created.
8470 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8472 * toplev.c (main): Call the front-end specific post_options
8473 hook if one is given.
8474 * toplev.h (struct_lang_hooks, lang_hooks): New.
8475 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8476 for the C front end.
8477 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8478 lang_hooks for the C++ front end.
8479 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8480 lang_hooks for the ObjC front end.
8481 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8482 * java/lang.c (lang_hooks): Hooks for the Java front end.
8484 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8486 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8487 for verbose DWARF[2] debugging.
8488 (cb_define, cb_undef): The new callbacks.
8489 * toplev.h (debug_define, debug_undef): Make const correct.
8490 * toplev.c (debug_define, debug_undef): Similarly. Do not
8491 perform the verbosity tests here anymore.
8493 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8495 * reload.c (subst_reloads): Take INSN argument. When
8496 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8497 * reload.h (subst_reloads): Adjust prototype.
8498 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8499 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8500 present in JUMP_INSNs and copy them to JUMP_LABEL.
8501 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8502 JUMP_INSNs and insns with REG_LABELs that are followed by
8503 JUMP_INSNs with the same REG_LABEL.
8504 * sched-rgn.c (is_cfg_nonregular): Likewise.
8505 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8507 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8509 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8511 2001-01-06 Richard Henderson <rth@redhat.com>
8513 * loop.c (scan_loop): Use xcalloc for the regs array.
8514 (load_mems_and_recount_loop_regs_set): Zero the new memory
8515 received from xrealloc.
8517 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8519 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8521 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8523 * integrate.c (copy_rtx_and_substitute): When copying
8524 an ignored return value, strip REG_FUNCTION_VALUE_P.
8526 2001-01-06 Michael Hayes <mhayes@redhat.com>
8528 * loop.c (debug_biv, debug_giv): New.
8529 (loop_biv_dump): Break out from ...
8530 (record_biv): ... here.
8531 (loop_giv_dump): Break out from ...
8532 (record_giv): ... here.
8533 (loop_bivs_check): Use print_simple_rtl.
8534 * unroll.c (loop_iterations): Use print_simple_rtl.
8536 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8538 * pa.md (return, return_internal): Modify patterns to prevent regrename
8539 mucking with the return pointer.
8541 2001-01-05 Richard Henderson <rth@redhat.com>
8543 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8545 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8547 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8548 version supplied by Matteo Frigo.
8550 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8552 * cpp.texi: Update for -MQ.
8553 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8554 (cpp_cleanup): Always free pfile->deps.
8555 (initialize_dependency_output): Don't create pfile->deps.
8556 (cpp_handle_option): Similarly.
8558 * gcc.c (cpp_options): Handle -MQ.
8559 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8560 * mkdeps.c (base_name): Remove.
8561 (deps_init): Don't allocate vector space until it's needed.
8562 (deps_free): Only free vectors if allocated.
8563 (deps_add_target, deps_add_dep): Update for initial allocation.
8564 (deps_add_default_target): Don't strip to the base_name.
8566 2001-01-05 DJ Delorie <dj@redhat.com>
8568 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8569 (INIT_EXPANDERS): Define.
8571 * config/v850/v850.c (struct machine_function): Define.
8572 (v850_save_machine_status): New function.
8573 (v850_restore_machine_status): New function.
8574 (v850_return_addr): New function.
8575 (v850_init_expanders): New function.
8577 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8578 and v850_init_expanders.
8580 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8582 * cpplib.h (struct cpp_reader): Add help_only field.
8583 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8584 (cpp_handle_option): Set pfile->help_only if we see -h,
8585 --help, -target-help, or --version. Print version string but
8586 do not set help_only if we see -v or -version. Make text
8587 printed by -v match that printed by (-)-version.
8589 * cppmain.c (main): Exit after option parsing if
8590 pfile->help_only is true.
8592 * toplev.c (independent_decode_option): Call print_version,
8593 then exit, if we see --version (but not -version).
8594 (print_version): Split lengthy message into two lines.
8596 2001-01-05 Nick Clifton <nickc@redhat.com>
8598 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8599 temporary string for initialisation before calling ggc_alloc_string.
8601 2001-01-06 Michael Hayes <mhayes@redhat.com>
8603 * rtl.h (print_simple_rtl): New.
8604 * print-rtl.c (print_simple_rtl): New.
8606 (print_rtx): Disable printing of flags and modes, etc.,
8607 if `flag_simple` nonzero.
8609 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8611 * function.c (fixup_var_refs): Use push_to_full_sequence where
8614 2001-01-05 Michael Meissner <meissner@redhat.com>
8616 * flags.h (flag_reorder_blocks): Add declaration.
8617 (flag_rename_block): Ditto.
8619 2001-01-05 DJ Delorie <dj@redhat.com>
8621 * function.c (reorder_blocks): Make sure the flags are all reset
8622 before using them to mark blocks, else a second invocation will
8623 corrupt the block chain.
8624 (reorder_blocks_0): New, resets the flags.
8626 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8628 * cse.c (find_comparison_args): Stop if the argument is known to
8631 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8633 * config/sh/sh.md (movdf): When splitting load into pair of
8634 registers, don't clobber the register used in the address too
8637 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8639 * varasm.c (mark_constant_pool): Improve initial comments.
8640 (mark_constants): Move marking of constants to mark_constant.
8641 (mark_constant): New function to recursively mark all constants
8642 referred to by a constant.
8644 2001-01-05 Catherine Moore <clm@redhat.com>
8646 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8648 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8650 * cp/lang-options.h: Bring comment in line with reality.
8651 * f/lang-options.h: Likewise.
8652 * java/lang-options.h: Likewise.
8653 * objc/lang-options.h: Likewise.
8654 * ch/lang-options.h: Likewise.
8655 * f/g77.texi: And update the manual.
8657 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8658 Denis Chertykov <denisc@overta.ru>
8660 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8661 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8662 * config/avr/avr.md (all peepholes that request a scratch register):
8663 Call it, FAIL the peephole if not safe (in interrupt functions).
8665 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8667 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8669 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8671 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8673 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8674 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8675 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8676 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8677 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8679 * extend.texi: Document these builtins.
8681 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8683 * c-common.c (lang_get_alias_set): Say we know nothing of
8684 VECTOR_TYPE aliasing.
8686 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8688 2001-01-05 Bruce Korb <bkorb@gnu.org>
8690 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8691 their x* equivalent versions for atexit-less systems
8692 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8693 systems (or any other system any more).
8695 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8697 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8698 output operands. Use arm_hard_register_operand for operand 4.
8699 (stmsi_postinc): Similarly.
8700 (ldmsi): Use arm_hard_register_operand for opernand 2.
8702 * arm.c (arm_hard_register_operand): New function.
8703 * arm-protos.h (arm_hard_register_operand): Prototype it.
8705 * arm.h (HARD_REGNO_RENAME_OK): Define.
8707 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8709 * simplify-rtx.c (cfc_args): add "unordered" field.
8710 (check_fold_consts): Set unordered field.
8711 (simplify_relational_operation): Simplify the unordered
8714 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8717 * emit-rtl.c (try_split): Fix code to mark labels.
8718 * jump.c (mark_jump_label): Make global.
8719 * rtl.h (mark_jump_label): Declare.
8721 * predict.c (estimate_probability): Handle unordred comparisons.
8723 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8725 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8726 * cppinit.c (initialize_dependency_output): Update.
8727 (cpp_finish): Output dummy targets for -MP.
8729 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8730 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8731 * gcc.c (cpp_options): Update to handle -MP.
8732 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8733 to quote only the default target.
8734 (deps_phony_targets): Insert a preceding newline. Rename from
8735 deps_dummy_targets for consistency.
8738 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8740 * calls.c (emit_library_call_value_1): Support
8741 INIT_CUMULATIVE_LIBCALL_ARGS.
8742 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8744 2001-01-04 Richard Henderson <rth@redhat.com>
8746 * c-decl.c (finish_struct): Detect flexible array members
8747 used in an inappropriate context.
8748 * c-typeck.c (really_start_incremental_init): Special case
8749 constructor_max_index for zero length arrays.
8750 (pop_init_level): Allow initialization of flexible array
8751 members. Deprecate initialization of zero length arrays.
8752 Don't issue missing initializer warning for flexible array
8753 members or zero length arrays.
8754 (process_init_element): Don't dereference null DECL_SIZE.
8755 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8756 Don't abort for empty constructors. Use size_binop
8757 (output_constructor): Add commentary regarding zero length
8758 array futures. Abort if we try to initialize an array of
8759 unspecified length with a non-empty constructor in the middle
8762 * extend.texi (Zero Length): Update and clarify documentation
8763 on static initialization.
8765 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8767 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8768 with more than 32767 words of local storage.
8770 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8772 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8773 for 'abs', 'labs', and 'fabs'.
8774 (c4x_expand_builtin): Likewise.
8775 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8777 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8779 * config/sh/sh.md (prget, prset): New insn types.
8780 (return delay slot): Dont' allow prset.
8781 (call, sfunc delay slot): Don't allow prget.
8782 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8783 for prset and prget.
8785 2001-01-05 Michael Hayes <mhayes@redhat.com>
8787 * loop.h (struct loop_reg): New.
8788 (struct loop_regs): Change to use array of `struct loop_reg'.
8789 * loop.c: Replace assortment of varrays with single regs array.
8790 (count_one_set): Delete may_not_move array argument
8791 and use regs array instead. All caller's changed.
8792 (count_loop_regs_set): Delete may_not_move and single_usage
8793 arguments and use regs array instead. All caller's changed.
8794 (find_single_use_in_loop): Replace usage array argument with pointer
8795 to regs structure. All caller's changed.
8796 (loop_optimize): Delete `moved_once' array.
8798 2001-01-05 Michael Hayes <mhayes@redhat.com>
8800 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8801 Use it instead of loop_info->has_call for scanning loop mems.
8802 (check_dbra_loop): Replace loop_info->has_call test with
8803 loop_info->has_nonconst_call.
8805 2000-01-04 Matthew Hiller <hiller@redhat.com>
8807 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8810 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8812 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8813 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8815 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8817 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8818 (flag_short_double, flag_short_wchar): Define.
8819 (c_common_nodes_and_builtins): Create many tree nodes shared
8820 between C and C++ here instead of in cp/decl.c and ...
8821 * c-decl.c (init_decl_processing): ... here.
8822 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8823 (flag_short_double, flag_short_wchar): Don't define.
8824 (record_builtin_type): New function.
8825 (build_void_list_node): New function.
8826 * c-common.h (flag_short_double, flag_short_wchar,
8827 record_builtin_type, build_void_list_node): Declare.
8829 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8831 * integrate.c (expand_inline_function): Don't put a virtual
8832 register into the reg map.
8834 * function.c (fixup_var_refs_1): If force_operand didn't put
8835 the address into the target, move it there.
8837 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8839 Special-case tree_decl/tree_list allocations.
8840 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8841 (OBJECT_SIZE): New macro.
8842 (NUM_EXTRA_ORDER): Likewise.
8843 (extra_order_size_table): New variable.
8844 (NUM_ORDERS): New macro.
8845 (objects_per_page_table): New variable.
8846 (object_size_table): New variable.
8847 (G.pages): Use NUM_ORDERS to bound the array.
8848 (G.page_tails): Likewise.
8849 (DIV_ROUND_UP): Remove.
8850 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8851 (alloc_page): Use OBJECT_SIZE.
8852 (size_lookup): Don't make it const.
8853 (ggc_alloc): Use OBJECT_SIZE.
8854 (ggc_set_mark): Likewise.
8855 (ggc_get_size): Likewise.
8856 (init_ggc): Set up the object_size_table, objects_per_page_table,
8857 and adjust size_lookup.
8858 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8859 (ggc_pop_context): Use NUM_ORDERS.
8860 (clear_marks): Likewise.
8861 (sweep_pages): Likewise.
8862 (poison_pages): Likewise.
8863 (ggc_print_statistics): Use OBJECT_SIZE.
8865 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8867 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8868 Only call array_size_for_constructor if last field and array type
8869 with no upper bound.
8871 2001-01-04 Philip Blundell <philb@gnu.org>
8873 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8874 from bit 31 downwards, if this requires no more insns.
8875 (count_insns_for_constant): New helper function for above.
8877 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8879 * gencodes.c (output_predicate_decls): Remove empty initializer.
8881 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8883 * tree.c (copy_node): Remove documentation about obstacks.
8884 (buidl1): Check that nobody tries to build 2-argument nodes this
8887 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8889 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8892 * gencodes.c (output_predicate_decls): Fill empty initializer
8895 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8897 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8898 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8900 (do_include): Handle missing headers like cpp0.
8901 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8902 paths with first include pathname. Don't strcat to uninitialized
8905 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8907 * regrename.c (regrename_optimize): Don't rename from frame pointer
8908 if frame_pointer_needed.
8909 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8910 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8911 (ia64_reorg): Use it instead of scheduling if ! optimize.
8912 (errata_emit_nops): Properly call asm_noperands.
8913 (ia64_sched_reorder): Finish cycle if we see an asm.
8914 (ia64_variable_issue): Clear scheduling state after asms.
8916 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8918 * cpp.texi: Update for -MT.
8919 * cppinit.c (initialize_dependency_output): Add a default
8920 target if none has been given already.
8921 (no_tgt, OPT_MT): New.
8922 (cpp_handle_option): Handle -MT. Update -M etc.
8923 * cpplib.h (struct cpp_options): Remove deps_target.
8924 * gcc.c (cpp_options): Handle -MT.
8925 * mkdeps.c (struct deps): Move from mkdeps.h.
8926 (deps_calc_target): Rename deps_add_default_target. Add a
8927 default target if none has been specified already.
8928 * mkdeps.h (struct deps): Move to mkdeps.c.
8929 (deps_calc_target): Rename deps_add_default_target.
8931 2000-01-03 Richard Henderson <rth@redhat.com>
8933 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8935 * c-typeck.c (push_init_level): Move checks for flexible array
8936 members and zero length arrays ...
8937 (pop_init_level): ... here. Silently discard empty initializations.
8939 * varasm.c (output_constructor): Update for sizeof change to
8942 * extend.texi (Zero Length): Clarify semantics.
8944 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8946 * configure.in (tm.h): Include isns-codes.h last.
8947 * configure: Rebuilt.
8949 2001-01-03 Richard Henderson <rth@redhat.com>
8951 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8952 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8954 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8956 * tradcpp.c (main): Make sure finclude() is called with a valid
8957 indepth value while handling -include.
8959 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8961 * gencodes.c (output_predicate_decls): New function.
8963 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8964 even if it is not the first time machmode.h is #included.
8965 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8966 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8967 * gcc.texi (Copyright): Added 2001.
8969 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8971 * c-common.c (c_common_lang_init): New function. Warn if format
8972 warning options which only have effects when used with -Wformat
8973 are used without -Wformat.
8974 * c-common.h (c_common_lang_init): Declare.
8975 * c-lang.c (lang_init): Call c_common_lang_init.
8976 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8978 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8980 * configure.in: Check for the mktemp command.
8981 * configure: Regenerate.
8982 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8983 $TEMP. Create temporary files with mktemp, if available at
8984 configure time; otherwise use set -C. Remove temporary files
8987 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8989 * configure.in: Require at least texinfo 4.0. Check for whether
8990 Pod::Man is sufficiently recent to regenerate GCC manpages.
8991 * configure: Regenerate.
8992 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8994 (GENERATED_MANPAGES): Define.
8995 (generated-manpages): New target. Depend on cpp.1 as well as
8997 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8998 configure to generated-manpages or empty) rather than on the
8999 manpages directly. Remove execute permission from installed
9000 gcov.1 as well as cpp.1.
9001 * cpp.1, gcov.1: Regenerate.
9003 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9005 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9006 tree_low_cst. Allow using cmpstrsi in more cases.
9008 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9010 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9013 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9015 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9016 * Makefile.in (HOST_CFLAGS): Mention build-make.
9018 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9020 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9023 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9025 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9028 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9031 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9032 reg_base_value and reg_known_value arrays.
9033 (init_alias_analysis): Add more cases to detect known values.
9034 * sched-deps.c (deps_may_trap_p): New function.
9035 (sched_analyze_2): Use it.
9037 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9039 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9040 don't discard an ASHIFTRT if we're shifting in a wider mode.
9042 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9044 * toplev.c (rest_of_compilation): Don't print basic block information
9045 when CFG isn't up to date.
9047 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9049 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9050 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9051 (UNALIGNED_SHORT_ASM_OP): Define.
9052 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9054 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9056 * fold-const.c (fold_convert): Fix typo.
9058 2001-01-02 Richard Henderson <rth@redhat.com>
9060 * c-common.h (ASM_INPUT_P): New.
9061 * c-parse.in (asm): Set it when needed.
9062 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9063 existance of an operand.
9065 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9067 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9068 (dwarf2out_frame_debug_expr): Likewise.
9069 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9071 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9073 * i386.c (ix86_split_to_parts): Return number of part required;
9075 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9077 (ix86_split_long_move): Use number of part returned
9078 by ix86_split_to_parts
9079 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9081 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9082 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9083 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9084 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9085 (ALIGN_MODE_128): Add TFmode.
9086 (IS_STACK_MODE): Likewise.
9087 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9088 (HARD_REGNO_OK): Support TFmodes.
9089 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9090 * i386.md (scheduler definitions): Use memory operand to determine
9091 fst/fld instructions; use mode attribute to determine real mode of
9093 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9094 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9096 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9098 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9100 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9102 * expr.c (store_constructor_field): Update ALIGN before calling
9105 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9107 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9110 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9112 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9115 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9117 * c-decl.c (start_function): Don't warn on third parameter to main.
9119 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9121 * tsystem.h: Define HAVE_DECL_GETOPT.
9123 2001-01-02 Philip Blundell <pb@futuretv.com>
9125 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9128 2001-01-02 Richard Henderson <rth@redhat.com>
9130 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9132 2001-01-02 Andreas Jaeger <aj@suse.de>
9134 * c-decl.c (c_decode_option): Remove support of
9137 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9138 (W_options): Add -Wmissing-noreturn here.
9140 * flow.c: Define lang_missing_noreturn_ok_p.
9141 (check_function_return_warnings): Use it.
9143 * c-common.h: Declare lang_missing_noreturn_ok_p.
9145 * c-lang.c (c_missing_noreturn_ok_p): New function.
9146 (lang_init): Set lang_missing_noreturn_ok_p.
9148 * invoke.texi (Warning Options): Document this.
9150 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9152 * extend.texi (C++ Extensions): New node for C++ attributes;
9153 describe init_priority and com_interface.
9154 * invoke.texi: Remove -finit-priority as it now has zero effect.
9155 * install.texi: Fix xref syntax.
9156 * md.texi: Likewise.
9158 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9160 * config.gcc (sparc64-wrs-vxworks*): New case.
9161 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9163 * config/sparc/sparc.c (sparc_override_options): Do support different
9164 pointer and architecture size.
9165 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9166 (POINTERS_EXTEND_UNSIGNED): Define.
9167 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9168 (FUNCTION_MODE): Define to be Pmode.
9169 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9171 * function.c (expand_function_end): Properly handle DECL_RESULT
9172 and copy when ptr_mode != Pmode.
9173 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9175 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9177 * c-common.c (c_common_nodes_and_builtins): Set prototype
9178 parameters for __builtin_fputs, __builtin_fputc and
9179 __builtin_fwrite. Don't declare plain fputc as a builtin.
9181 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9183 * loop.c (add_label_notes): Increment the label usage count when
9184 a note is added to an insn which refers to a CODE_LABEL.
9185 * gcse.c (add_label_notes): Likewise.
9187 2001-01-01 Andreas Jaeger <aj@suse.de>
9189 * loop.c (scan_loop): Use xmalloc to allocate movables.
9191 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9193 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9194 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9195 * reload1.c (REGISTER_MOVE_COST): Likewise.
9196 * regclass.c (REGISTER_MOVE_COST): Likewise.
9197 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9198 dimension. Adjust all users.
9199 (init_reg_sets_1): Iterate on all modes.
9200 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9201 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9202 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9203 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9204 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9205 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9206 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9207 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9208 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9209 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9210 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9211 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9212 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9213 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9214 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9215 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9216 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9217 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9218 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9219 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9220 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9221 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9222 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9223 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9224 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9225 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9226 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9228 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9230 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9231 arg VARIES_P. Call it with extra arg.
9232 (true_dependence): Likewise.
9233 * rtl.h (rtx_addr_can_trap_p): Declare.
9234 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9236 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9237 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9238 pic offset table register if it's zero. All callers changed.
9239 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9241 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9243 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9244 STRING_POOL_ADDRESS_P.
9246 * config/sparc/sparc.c (input_operand): Properly test for short op.
9248 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9249 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9250 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9251 * config/sparc/elf.h: No longer include sol2.h.
9252 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9253 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9255 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9257 2001-01-01 Michael Hayes <mhayes@redhat.com>
9259 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9260 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9261 (record_initial): Likewise.
9262 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9263 (remap_split_bivs): Likewise.
9265 2001-01-01 Michael Hayes <mhayes@redhat.com>
9267 * loop.c (loop_ivs_free): New function.
9268 (strength_reduce): Break out from...
9270 2001-01-01 Michael Hayes <mhayes@redhat.com>
9272 * loop.h (struct iv): New.
9273 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9274 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9275 'reg_biv_class' fields with 'regs' and 'n_regs'.
9276 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9277 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9278 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9280 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9282 * resource.c (mark_referenced_resources): Abort() before
9283 attempting to mark a pseudo register.
9284 (mark_set_resources): Likewise.
9286 2001-01-01 Michael Hayes <mhayes@redhat.com>
9288 * loop.h (REG_IV_CLASS): New accessor macro.
9289 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9290 * unroll.c (REG_IV_CLASS): Likewise.
9292 See ChangeLog.4 for earlier changes.