1 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3 * integrate.c (expand_inline_function): Check for error_mark_node
6 2001-04-26 Jakub Jelinek <jakub@redhat.com>
8 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
11 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
13 * configure.in (configargs.h): Define thread_model.
15 * gcc.c (main): Print it with -v.
17 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
19 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
20 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
23 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
26 is_redundant_typedef): Use static inline instead of inline static.
28 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
30 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
31 this directory is always searched.
33 2001-04-25 Richard Henderson <rth@redhat.com>
35 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
36 of registers to restore along non eh_return path.
38 2001-04-25 Jakub Jelinek <jakub@redhat.com>
40 * c-format.c (check_format_info_recurse): Handle
41 PLUS_EXPR for format string.
43 2001-04-25 Jakub Jelinek <jakub@redhat.com>
45 * config/ia64/ia64.h (CC1_SPEC): Define.
46 * config/ia64/linux.h (CC1_SPEC): Define.
48 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
50 * emit-rtl.c (constant_subword): Also do sign extension in
51 BITS_PER_WORD == 16 case.
53 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
55 * loop.c (try_swap_copy_prop): Go back to checking insn.
57 2001-04-25 Jakub Jelinek <jakub@redhat.com>
59 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
60 if check_mode is non-zero.
62 2001-04-25 Jakub Jelinek <jakub@redhat.com>
64 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
65 out and comparison sequence has been detected, put result into
66 proper temporary pseudo.
68 2001-04-24 Zack Weinberg <zackw@stanford.edu>
70 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
71 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
72 * libgcc2.c: Remove __dummy and __builtin_saveregs.
73 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
74 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
77 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
79 * except.c (reachable_handlers): Step out one level from a RESX.
81 * except.c (struct eh_region): Rename 'last' to 'resume'.
82 (mark_eh_region, duplicate_eh_region_1): Adjust.
83 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
84 (build_post_landing_pads): Likewise.
85 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
86 (expand_eh_region_end_must_not_throw): Likewise.
87 (connect_post_landing_pads): Thread (only) regions with non-deleted
90 * except.c (expand_eh_region_end_cleanup): Save the EH return data
91 registers around the cleanup.
92 (get_exception_filter): New fn.
93 (finish_eh_generation): Use it.
95 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
97 * c-semantics.c (add_scope_stmt): Don't call
98 current_scope_stmt_stack multiple times.
100 2001-04-24 Zack Weinberg <zackw@stanford.edu>
101 Nathan Sidwell <nathan@codesourcery.com>
103 Lazy __FUNCTION__ generation.
104 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
105 RID_C99_FUNCTION_NAME): New _RIDs.
106 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
107 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
108 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
110 (function_id_node, pretty_function_id_node, func_id_node): Remove.
111 (c99_function_name_decl_node, function_name_decl_node,
112 pretty_function_name_decl_node, saved_function_name_decls):
114 (struct language_function): Remove x_function_name_declared_p.
115 (make_fname_decl): Remove a parameter.
116 (declare_function_names): Remove prototype.
117 (start_fname_decls, finish_fname_decls): Prototype.
118 (fname_as_string): Likewise.
119 (fname_string, fname_decl): Likewise.
120 * c-common.c (make_fname_decl): Adjust.
121 (struct fname_var_t): New struct.
122 (fname_vars): New static array.
123 (declare_function_name): Remove.
124 (start_fname_decls, finish_fname_decls): New functions.
125 (fname_as_string): New function from remnants of
126 declare_function_name.
127 (fname_string, fname_decl): New functions.
129 * c-decl.c (c_function_name_declared_p): Remove.
130 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
131 don't call declare_function_name. Call start_fname_decls.
132 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
133 clobber the line number. Call finish_decl.
134 (start_function): Call start_fname_decls.
135 (finish_function): Call finish_fname_decls.
136 Remove c_function_name_declared_p.
137 (push_c_function_context): Don't push c_function_name_declared_p.
138 (pop_c_function_context): Don't pop c_function_name_declared_p.
139 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
140 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
141 (program): Call finish_fname_decls for C.
142 (primary): Add VAR_FUNC_NAME.
143 (reswords): Add slots for __FUNCTION__ et al.
144 (rid_to_yy): Add mappings for __FUNCTION__ et al.
145 (yylexname): If it's a STRING_FUNC_NAME generate the function name
146 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
147 * c-semantics.c (prune_unused_decls): Remove.
148 (finish_stmt_tree): Don't call prune_unused_decls.
149 (genrtl_decl_stmt): Don't prune unused decls here.
151 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
153 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
154 constant pool, use the pool's SYMBOL_REF instead.
156 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
159 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
161 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
162 passing nested NOP_EXPRs to fold.
164 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
166 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
168 2001-04-22 Mark Mitchell <mark@codesourcery.com>
170 * loop.c (loop_delete_insns): Add prototype.
172 2001-04-23 Phil Edwards <pme@sources.redhat.com>
174 * configure.in: Remove ENABLE_STD_NAMESPACE.
175 * config.in: Regenerated.
176 * configure: Regenerated.
178 2001-04-22 Stan Shebs <shebs@apple.com>
180 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
182 * config/rs6000/xm-darwin.h: Remove file.
184 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
186 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
187 (write_c_file_stat): Likewise.
189 * dbxout.c (dbxout_init): Likewise.
191 * profile.c (output_func_start_profiler): Likewise.
193 2001-04-22 Philipp Thomas <pthomas@suse.de>
195 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
196 require it instead of the CVS version.
197 * cpperror.c (v_message): Put a blank before the macro
198 body to not confuse exgettext.
200 2001-04-21 Mark Mitchell <mark@codesourcery.com>
202 * flow.c (proagate_one_insn): Remove useless assignment.
203 * jump.c (delete_insn): Tidy.
204 * loop.c (try_copy_prop): When deleting an instruction with a
205 REG_RETVAL note, delete the entire libcall sequence.
206 (loop_delete_insns): New function.
207 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
208 we're not substituting into them yet.
210 2001-04-21 Kazu Hirata <kazu@hxi.com>
212 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
214 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
216 * config/i960/i960.c (signed_arith_operand): Likewise.
218 * calls.c (expand_call): Fix a comment typo.
220 2001-04-20 Zack Weinberg <zackw@stanford.edu>
222 * configure.in: Probe for times, clock, struct tms, and clock_t.
223 * configure, config.in: Regenerate.
224 * timevar.c: Replace ifdef forest in get_time with (relatively)
225 straightforward series of checks based on autoconf's probes.
227 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
229 * config/pa/som.h (NM_FLAGS): Define.
231 2001-04-20 Bernd Schmidt <bernds@redhat.com>
233 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
235 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
236 * ia64.c (nop_cycles_until): New function.
237 (prev_cycle, prev_first, last_issued): New static variables.
238 (ia64_sched_reorder): Additional arg for clock.
239 On final scheduling pass, emit extra NOPs as needed.
240 Set prev_first and prev_cycle.
241 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
242 (ia64_variable_issue): Set last_issued.
244 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
246 * config/i386/i386.c (ix86_expand_int_movcc,
247 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
249 2001-04-20 Geoff Keating <geoffk@redhat.com>
251 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
252 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
253 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
254 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
255 ctrdi_internal6): In the short-branch case, this insn is only 4
256 bytes long. Reported by Reza Yazdani <reza@apple.com>.
258 2001-04-20 Jakub Jelinek <jakub@redhat.com>
260 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
261 "=u" is used together with "st" resp. "st(1)" clobber.
263 2001-04-20 Jakub Jelinek <jakub@redhat.com>
265 * gcse.c (gcse_main): Fix comment typo.
266 (delete_null_pointer_check): Likewise.
267 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
268 * cse.c (cse_insn): Likewise.
269 * function.c (fixup_var_refs_insns_with_hash): The sequence is
272 2001-04-19 Zack Weinberg <zackw@stanford.edu>
274 * toplev.c: Excise all code for the undocumented -dm option.
275 (float_signal): Call signal just once, unconditionally.
277 2001-04-19 Geoff Keating <geoffk@redhat.com>
279 * fold-const.c (fold): Use first_rtl_op rather than
280 TREE_CODE_LENGTH when looping over parameters of a tree.
281 Correct strange grouping in test for evaluated SAVE_EXPR.
283 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
285 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
286 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
288 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
289 name at 32 total characters.
290 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
291 functions in named sections -- data items can still go into unique
292 sections, but they have normal names (ie $LIT$ and $DATA$).
294 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
297 2001-04-19 DJ Delorie <dj@redhat.com>
299 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
300 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
301 * config/i386/cygwin.h: Likewise.
302 * config/i386/mingw32.h: Likewise.
303 * config/vax/vms.h: Likewise.
304 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
306 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
307 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
308 * config/i386/xm-cygwin.h: Likewise.
309 * config/i386/xm-djgpp.h: Likewise.
310 * config/i386/xm-mingw32.h: Likewise.
311 * config/vax/xm-vms.h: Likewise.
313 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
314 instead of OBJECT_SUFFIX.
315 * collect2.c (find_a_file): Look for files matching the extension
316 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
317 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
318 TARGET_EXECUTABLE_SUFFIX.
319 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
320 (make_relative_prefix): Likewise.
321 (convert_filename): Use TARGET_ suffixes throughout. Remove
323 (process_command): Likewise.
324 (do_spec_1): Likewise.
325 * java/lang.c (init_parse): Likewise.
327 * gcc.texi : Document four new options matching the pattern
328 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
329 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
330 documentation for NO_AUTO_EXE_SUFFIX.
332 2001-04-19 Mark Mitchell <mark@codesourcery.com>
334 * toplev.h (struct lang_hooks): Allow decode_option to indicate
335 that language-independent processing should not be done.
336 * toplev.c (main): Adjust accordingly.
338 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
339 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
341 * mips.md (reload_outputdi): Require that operand0 be a
344 2001-04-19 Jakub Jelinek <jakub@redhat.com>
346 * invoke.texi (-Wshadow): Clarify.
348 2001-04-18 Mark Mitchell <mark@codesourcery.com>
350 * loop.c (load_mems): Examine all the instructions in the loop
351 before concluding that all jumps branch to the first instruction
354 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
356 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
358 2001-04-18 Jakub Jelinek <jakub@redhat.com>
360 * cpp.texi (-Wwhite-space): Remove.
361 (-Wall): -Wall does not imply -Wwhite-space.
363 2001-04-17 Zack Weinberg <zackw@stanford.edu>
365 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
366 use it instead of blindly generating a .stabs.
367 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
369 * xcoffout.c: Don't bother defining default for N_CATCH.
370 (UNKNOWN_STAB): Use internal_error.
371 (stab_to_sclass): Remove now-unnecessary aborts.
372 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
374 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
376 * jump.c (mark_all_labels): Canonicalize the tail recursion
377 label attached to CALL_PLACEHOLDER insns.
379 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * output.h (dump_flow_info, free_basic_block_vars,
382 which_alternative): Delete redundant prototypes.
384 * rtl.h (bss_section): Likewise.
386 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
388 * dbxout.c (N_OPT): Define if not available from <stab.h>
390 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
392 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
393 libraries and native K&R compilers.
395 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
397 * c-typeck.c (convert_arguments): Don't check for width changes
400 * invoke.texi (-Wtraditional): Update documentation.
402 2001-04-16 Zack Weinberg <zackw@stanford.edu>
404 * toplev.c (output_lang_identify): Delete.
405 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
406 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
407 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
408 after calling ASM_FILE_END.
410 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
411 Instead, unconditionally emit an N_OPT stab with string equal
412 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
414 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
416 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
417 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
418 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
419 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
420 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
421 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
422 config/i370/i370.h, config/i386/beos-elf.h,
423 config/i386/osf1elf.h, config/i386/osfrose.h,
424 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
425 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
426 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
427 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
428 config/mips/iris6.h, config/mips/osfrose.h,
429 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
430 config/sparc/sp64-elf.h:
431 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
432 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
434 * config/elfos.h, config/freebsd.h, config/linux.h,
435 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
436 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
437 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
438 of ASM_FILE_START which merely emit a .version directive. Delete
439 definitions of ASM_FILE_END which merely emit an .ident directive.
441 * config/avr/avr.h, config/vax/vax.h: Delete definition of
442 ASM_IDENTIFY_GCC and move part of its logic into
445 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
446 config/sparc/linux-aout.h: Don't emit .version directive in
449 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
450 (output_file_start): Correct comment.
452 * config/i386/osfrose.h: Don't emit trailing .ident directive.
453 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
455 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
456 * config/rs6000/aix.h: Correct comment.
458 * config/i386/i386afe.h: Delete.
459 * config.gcc: Remove references to i386afe.h.
461 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
462 other macros deleted by this patch were undocumented.
464 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
466 * pa.md (reload_outdi): Operand 0 must be a non hard register.
468 * pa.c (secondary_reload_class): SAR<->FP copies require a
471 * install.texi (mips-mips-bsd): Update list of functions
472 required to include memmove.
473 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
474 used functions to include memmove.
476 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
478 * i386.md (sqrtdf2): SFmode should be DFmode.
480 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
482 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
483 (find_moveable_store): Likewise.
485 2001-04-15 Jim Wilson <wilson@redhat.com>
487 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
489 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
491 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
492 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
494 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
496 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
499 2001-04-14 Alan Modra <amodra@one.net.au>
501 * pa.c (force_mode): New function.
502 (emit_move_sequence): Use it instead of generating new rtx_REGs.
504 2001-04-13 Jim Wilson <wilson@redhat.com>
506 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
507 (first_instruction): New static variable.
508 (rtx_needs_barrier): Return 1 for alloc.
509 (init_insn_group_barriers): Set first_instruction.
510 (rws_sum): Delete duplicate definition.
511 (group_barrier_needed_p): Return 0 when first_instruction true.
512 (safe_group_barrier_needed_p): Save and restore first_instruction
513 around group_barrier_needed_p call.
515 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
517 * expr.h (enum libfunc_index): Add LTI_memmove.
518 (memmove_libfunc): Define macro.
519 * optabs.c (init_optabs): Initialize memmove_libfunc.
520 * expr.c (expand_assignment): Use memmove_libfunc instead of
523 2001-04-13 Alan Modra <alan@linuxcare.com.au>
525 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
528 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
530 * Makefile.in (reg-stack.o): Depend on reload.h.
531 (insn-attrtab.o): Depend on flags.h.
533 * genattrtab (main): Include flags.h in insn-attrtab.c.
535 * reg-stack.c: Include reload.h.
537 * sparc.h (flag_pic): Delete redundant declaration.
539 * output.h (flag_pic): Likewise.
541 * tree.h (pedantic): Likewise.
543 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
545 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
547 * jump.c, regmove.c, toplev.c: Include reload.h.
549 * reload.h (reload_cse_regs): Declare.
551 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
552 reload_cse_regs, init_reload, mark_home_live, reload,
553 init_caller_save): Delete redundant prototypes.
555 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
559 * regclass.c, ssa.c: Include expr.h.
561 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
562 gen_move_insn): Delete redundant declarations.
564 2001-04-13 Alan Modra <amodra@one.net.au>
566 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
567 PIC_OFFSET_TABLE_SAVE_RTX.
568 (zdepi_cint_p): Describe zdepi insn.
569 Formatting and white space fixes throughout file.
571 * pa.c (uint32_operand): Don't use long constant >= 2^32.
572 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
573 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
574 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
575 (output_64bit_and): Use plain `int's for shift counts.
576 (output_64bit_ior): Likewise.
577 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
578 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
581 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
582 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
583 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
584 NEW_HP_ASSEMBLER into one. Kill warnings.
586 * pa-gas.h: Delete file.
587 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
588 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
589 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
590 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
592 * config/pa/mill32.S: New file.
593 * config/pa/mill64.S: New file.
594 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
595 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
596 * config/pa/t-linux64: New file.
597 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
598 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
599 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
601 * elfos.h (SELECT_SECTION): Undef before defining.
602 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
603 (LIB_SPEC): Remove -lmilli.
604 (DBX_REGISTER_NUMBER): Remove.
605 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
606 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
607 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
608 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
609 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
610 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
611 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
613 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
614 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
615 regs if we don't have a prototype.
616 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
617 * pa.h (TARGET_ELF32): Default to 0 if undefined.
618 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
619 EH_RETURN_HANDLER_RTX): Define.
620 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
621 (DWARF_FRAME_REGNUM): Define.
622 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
623 * pa32-linux.h: New file.
624 * pa64-linux.h: New file.
626 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
627 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
628 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
629 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
630 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
631 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
632 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
633 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
634 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
635 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
636 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
637 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
638 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
639 * pa64-hpux.h: New file.
640 (ASM_FILE_START): Correct typo.
641 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
642 * config.gcc: Modify for above.
644 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
646 * jump.c (jump_optimize_1): Don't delete dead stores here.
647 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
648 prior to running jump optimize before cse2.
650 2001-04-12 Richard Henderson <rth@redhat.com>
652 * Makefile.in (regmove.o): Depend on except.h.
653 * regmove.c: Include it.
655 2001-04-12 Stan Shebs <shebs@apple.com>
657 * objc/objc-act.c: Remove all code ifdefed with the never-used
658 macro OBJC_INT_SELECTORS.
659 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
660 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
662 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
664 * config/pa/quadlib.c: Add prototypes.
666 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
668 * bitmap.h (debug_bitmap): Delete redundant prototype.
670 * rtl.h (get_frame_size): Likewise.
672 2001-04-12 Jim Wilson <wilson@redhat.com>
674 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
675 to just emit an fnorm.
677 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * c-common.h (truthvalue_conversion, type_for_mode,
680 type_for_size): Delete redundant declarations.
682 * c-lex.h (is_class_name): Likewise.
684 * c-tree.h (pedantic, convert, getdecls, gettags,
685 global_bindings_p, init_decl_processing, insert_block,
686 maybe_build_cleanup, poplevel, print_lang_decl,
687 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
688 set_block, incomplete_type_error, build_function_call,
689 lvalue_or_else, mark_addressable): Likewise.
691 * expr.h (expand_tree_builtin): Likewise.
693 2001-04-12 Mark Mitchell <mark@codesourcery.com>
695 * invoke.texi: Document --param max-gcse-memory.
697 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
699 * configure.in (errno): Check for declaration.
700 * configure, config.in: Regenerated.
702 * system.h (errno): Only declare if not already done.
704 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
706 * recog.c (general_operand, immediate_operand,
707 nonmemory_operand): Require CONST_INTs to be sign-extended
708 values for their modes.
710 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
712 * expmed.c (store_bit_field): Truncate CONST_INTs.
713 (expand_mult_highpart, expand_divmod): Likewise.
714 * expr.c (convert_modes, store_field): Likewise.
715 * integrate.c (expand_inline_function): Use promote_mode() to
716 determine whether to convert_modes() an argument as signed
718 * optabs.c (expand_binop): Get CONST_INT operands
719 sign-extended for their appropriate modes.
720 * stmt.c (emit_case_nodes): Convert node values to the
722 (expand_end_case): Convert minval and range to the appropriate
724 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
725 the iteration variable.
726 * varasm.c (immed_double_const): Don't require words to be
727 narrower than host wide ints to properly sign-extend
730 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
732 * sh.md (builtin_setjmp_receiver): New expander.
734 2001-04-12 David Edelsohn <dje@watson.ibm.com>
736 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
737 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
738 for generating CONST_INT and CONST_DOUBLE.
740 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
742 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
743 already sign-extended.
744 (rs6000_emit_prologue): Make register iterator signed.
745 (rs6000_emit_epilogue): Likewise.
746 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
748 (movsf split, movdf split): Sign-extend CONST_INTs.
749 (movdi splits): Likewise.
751 2001-04-12 Kelley Cook <kelley.cook@home.com>
753 * config-lang.in (lang_dirs): Add in zlib.
755 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
757 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
758 operands that make it to RTL.
760 2001-04-11 Stan Shebs <shebs@apple.com>
762 Add Darwin (Mac OS X kernel) native support.
763 * config.gcc (powerpc-*-darwin*): Add native bits.
764 * config/darwin.c: New file, generic Darwin support functions.
765 * config/darwin.h: New file, generic Darwin definitions.
766 * config/darwin-protos.h: New file, generic Darwin prototypes.
767 * rs6000/darwin.h: New file, Darwin for PowerPC.
768 * rs6000/t-darwin: New file, Darwin makefile fragment.
769 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
770 (TARGET_MACHO): Ditto.
771 (rs6000_abi): Add ABI_DARWIN.
772 (RS6000_REG_SAVE): Add ABI_DARWIN case.
773 (RS6000_SAVE_AREA): Ditto.
774 (FP_ARG_MAX_REG): Ditto.
775 (RETURN_ADDRESS_OFFSET): Ditto.
776 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
778 (rs6000_emit_move): Add ABI_DARWIN cases.
779 (print_operand): Ditto.
780 (first_reg_to_save): Ditto.
781 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
782 (debug_stack_info): Ditto.
783 (rs6000_emit_prologue): Ditto.
784 (rs6000_emit_epilogue): Ditto.
785 (output_profiler_hook): Ditto.
786 (output_function_profiler): Ditto.
787 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
788 (output_mi_thunk): Add TARGET_MACHO case.
789 (add_compiler_stub): Ditto.
790 (output_compiler_stub): Ditto.
791 (no_previous_def): Ditto.
792 (output_call): Ditto.
793 (machopic_output_stub): Ditto.
794 (rs6000_machopic_legitimize_pic_address): Ditto.
795 (toc_section): Ditto.
796 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
800 (load_macho_picbase): Ditto.
801 (call): Add TARGET_MACHO case to modify function.
803 (call_nonlocal_sysv): Add ABI_DARWIN case.
804 (call_value_nonlocal_sysv): Ditto.
805 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
807 (machopic_output_stub): Ditto.
808 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
810 2001-04-11 Mark Mitchell <mark@codesourcery.com>
812 * dwarf2out.c (modified_type_die): Don't create new types here.
813 * tree.h (get_qualified_type): New function.
814 (build_qualified_type): Adjust comment.
815 * tree.c (get_qualified_type): New function.
816 (build_qualified_type): Use it.
818 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
820 * cpp.texi (-Wtraditional): Update description.
822 * invoke.texi (-Wtraditional): Likewise.
824 2001-04-11 Jim Wilson <wilson@redhat.com>
826 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
827 requires more than 64 bits of alignment.
829 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
831 * cpplib.c (do_line): Sanity check iff enable checking.
833 2001-04-11 Richard Henderson <rth@redhat.com>
835 * Makefile.in (insn-recog.o): Depend on toplev.h.
836 (insn-emit.o, doloop.o): Likewise.
837 * genrecog.c, genemit.c: Include toplev.h in generated file.
838 * doloop.c: Include toplev.h.
840 2001-04-11 Mark Mitchell <mark@codesourcery.com>
842 * Makefile.in (gcse.o): Depend on params.h.
843 * gcse.c: Include params.h.
844 (gcse_main): Don't do GCSE if doing so will take inordinate
846 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
847 * params.h (MAX_GCSE_MEMORY): New macro.
849 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
851 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
853 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
855 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
859 * real.h (ereal_atof, real_value_truncate, target_isnan,
860 target_isinf, target_negative, assemble_real, debug_real): Delete
861 redundant prototypes.
863 * Makefile.in (ifcvt.o): Depend on toplev.h.
865 * c-semantics.c: Include expr.h.
867 * ifcvt.c: Include toplev.h.
869 * expr.h (rtx_equal_p): Delete prototype.
871 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
872 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
873 eliminate_constant_term, expand_complex_abs, find_single_use,
874 make_tree, init_expr_once, init_optabs, supports_one_only):
877 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
878 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
879 expand_assignment, store_expr, emit_line_note_after,
880 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
882 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
884 * sparc-protos.h: Delete redundant prototypes.
886 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
888 * reload.c (push_reload): Add condition missed in SUBREG byte
891 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
893 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
895 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
897 * i386.md (floatsisf_sse): Fix output template
898 * i386.c (ix86_expand_fp_movcc)
900 * reg-stack.c (emit_pop_insn): Handle complex modes.
901 (move_for_stack_reg): Emit proper move mode.
902 (subst_stack_regs_pat): Handle complex modes.
904 2001-04-11 Jakub Jelinek <jakub@redhat.com>
906 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
908 2001-04-10 Richard Henderson <rth@redhat.com>
910 * libgcc2.h (__terminate_func_ptr): Remove typedef.
911 (__pure_virtual, __terminate, __terminate_set_func,
912 __default_terminate, __throw_type_match, __empty,
913 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
914 __eh_rtime_match, __unwinding_cleanup, __rethrow,
915 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
916 Remove prototypes of deleted functions.
918 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
920 * c-typeck.c (convert_arguments): -Wtraditional now activates
921 -Wconversion warnings, except for changes in signed-ness.
922 Detect complex<->int & int<->complex conversions as well.
924 * invoke.texi (-Wtraditional): Document it.
926 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
928 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
929 * flow.c (set_block_for_new_insns): Remove needless cast and
930 properly check for unset block number.
932 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
934 * function.c (purge_single_hard_subreg_set): Only check REGNO if
935 the subreg was a hard register. Pseudos are left as subregs.
937 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
939 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
940 (LIB2ADD_ST): New macro, pass it to mklibgcc.
941 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
942 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
943 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
945 2001-04-09 Bo Thorsen <bo@suse.co.uk>
947 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
949 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
951 * output.h (set_block_num): Missed it earlier, remove deprecated
954 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
956 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
957 (load_killed_in_block_p): Change bb parameter from int to basic_block.
958 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
959 (handle_rd_kill_set): Change bb parameter from int to basic_block.
960 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
961 (expr_killed_p): Change bb parameter from int to basic_block, pass
962 basic_blocks instead of ints as parameters.
963 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
964 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
965 from int to basic_block, pass basic_blocks instead of ints as parms.
966 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
967 parameter from int to basic_block, pass basic_blocks instead of ints.
968 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
969 (insert_insn_end_bb): Change bb parameter from int to basic_block,
970 pass basic_blocks instead of ints.
971 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
972 basic_blocks instead of ints as parameters.
973 (pre_delete): Pass basic_blocks instead of ints as parameters.
974 (hoist_expr_reaches_here_p): Change bb parameter from int to
975 basic_block, pass basic_blocks instead of ints.
976 (hoist_code): Pass basic_blocks instead of ints as parameters.
977 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
978 Change bb parameter from int to basic_block.
979 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
980 (insert_insn_start_bb): Change bb parameter from int to basic_block,
981 pass basic_blocks instead of ints.
982 (insert_store): Pass basic_blocks instead of ints as parameters.
983 (replace_store_insn, delete_store): Change bb parameter from int to
984 basic_block, pass basic_blocks instead of ints.
985 (store_motion): Pass basic_blocks instead of ints as parameters.
987 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
989 * basic-block.h (set_new_block_for_insns): New Prototype.
990 (set_block_num): Delete prototype.
991 * flow.c (set_block_num): Remove obsolete function.
992 (set_block_for_new_insns): Set BB for single or multiple insns.
993 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
994 (process_insn_end_bb): Use set_block_for_new_insns or
995 set_block_for_insn instead of set_block_num.
996 (pre_insert_copy_insn): Use set_block_for_new_insns.
997 (update_ld_motion_stores): Use set_block_for_new_insns.
998 (insert_insn_start_bb): Use set_block_for_new_insns.
999 (replace_store_insn): Use set_block_for_new_insns.
1001 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1002 Jeff Law <law@redhat.com>
1004 * alias.c (get_addr): Externalize.
1005 (canon_true_dependence): New function. Behaves like true_dependance
1006 except it already assumes a MEM has been canonicalized.
1007 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1008 * gcse.c (struct ls_expr): Add load/store expressions structure.
1009 (modify_mem_list, canon_modify_mem_list): New variable.
1010 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1011 load motion and store motion if requested.
1012 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1013 (free_gcse_mem): Free the modify_mem_list array.
1014 (oprs_unchanged_p): Use load_killed_in_block_p.
1015 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1016 (mems_conflict_for_gcse_p): New function. Don't kill loads
1017 with stores to themselves if its in the load/store expression list.
1018 (load_killed_in_block_p): New function.
1019 (canon_list_insert): New Function.
1020 (record_last_mem_set_info): Keep a list of all instructions which
1021 can modify memory for each basic block.
1022 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1023 (oprs_not_set_p): Use load_killed_in_block_p.
1024 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1025 (expr_killed_p): Use load_killed_in_block_p.
1026 (compute_transp): Do not pessimize memory references.
1027 (pre_edge_insert): Update stores for a load motion expression.
1028 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1029 (ldst_entry): Find or create a ldst_expr structure.
1030 (free_ldst_entry): Free memory for an individual item.
1031 (free_ldst_mems): Free entire load/store expression list.
1032 (print_ldst_list): Print debug info.
1033 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1034 (enumerate_ldsts): Assign integer values to each entry in list.
1035 (first_ls_expr): First expression in the list.
1036 (next_ls_expr): Next expression in the list.
1037 (simple_mem): Check if expression qualifies for ld/st expression list.
1038 (invalidate_any_buried_refs): Remove from expression list if its
1039 used in some other way we dont understand.
1040 (compute_ld_motion_mems): Find all potential enhanced load motion
1042 (trim_ld_motion_mems): Remove any expressions which are invalid.
1043 (update_ld_motion_stores): Copy store values to registers for loads
1044 which have been moved.
1045 (regvec, st_antloc, num_store): New global statics.
1046 (reg_set_info): Marks registers as set.
1047 (store_ops_ok): Verfies registers expressions are valid in a block.
1048 (find_moveable_store): Look for moveable stores in a pattern.
1049 (compute_store_table): Find stores in a function worth moving, maybe.
1050 (load_kills_store): Check dependance of a load and store.
1051 (find_loads): Find any loads in a pattern.
1052 (store_killed_in_insn): Check if a store is killed in an insn.
1053 (store_killed_after): Check is store killed after an insn in a block.
1054 (store_killed_before): Check is store killed before an insn in a block.
1055 (build_store_vectors): Generate the antic and avail vectors.
1056 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1057 (insert_store): Add a store to an edge.
1058 (replace_store_insn): Replace a store with a SET insn.
1059 (delete_store): Delete a store insn.
1060 (free_store_memory): Free memory.
1061 (store_motion): Perform store motion.
1062 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1063 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1064 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1065 (f_options): Add gcse-lm and gcse-sm.
1067 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1069 * i386.c (expand_fp_movcc): Fix condition reversal code.
1071 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1072 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1073 (CLASS_MAX_NREGS): Use it.
1075 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1076 handle properly complex values.
1077 (CLASS_MAX_NREGS): Likewise; update comment.
1079 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1081 * ia64.c (ia64_flag_schedule_insns2): New variable.
1082 (ia64_override_options): Initialize it. Clear
1083 flag_schedule_insns_after_reload.
1084 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1086 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1088 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1089 Do not require source to match destination anymore;
1090 Add abort to the nontrivial cases that should be handled by split.
1091 (fix_trunc?fdi): Add SSE case for x86_64.
1092 (floatdi?f): Likewise.
1093 (floatdi?f_sse): New.
1094 (fix_trunc?fdi_sse): New.
1096 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1098 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1099 (DEBUG_ARANGES_END_LABEL): Ditto.
1100 (dwarfout_init): Generate length and version fields at the start
1101 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1102 after the length field.
1103 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1104 the .debug_aranges info.
1106 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1108 * i386.c (call, call_value): Make sure that resulting call_insn
1109 does have proper second operand.
1111 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1113 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1114 function. Remove include of sys/cygwin.h.
1116 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1118 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1119 (CPP_SPEC): Always search */include/w32api for header files.
1120 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1121 (LINK_SPEC): Add "cyg" to the library search prefixes.
1123 2001-04-08 Philip Blundell <philb@gnu.org>
1125 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1127 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1129 * cpperror.c (print_location): Don't special case <stdin>.
1130 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1131 WARNING, but we don't check if we're in system headers.
1132 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1133 * cpplib.c (do_warning): Warn in system headers.
1135 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1137 * mbchar.c: Include config.h first.
1139 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1141 * config.gcc: Set default for xmake_file at top, not bottom.
1142 Change places that set xmake_file to "none" to set to the
1143 empty string instead, or remove them entirely if there is no
1144 default xmake_file for this cpu_type. Remove references to
1147 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1148 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1149 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1150 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1151 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1152 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1153 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1154 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1155 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1156 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1159 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1160 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1161 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1162 config/mips/x-sysv, config/rs6000/x-aix31:
1163 Just set CLIB to -lld or -lmld, as appropriate.
1165 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1166 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1167 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1168 config/mips/x-iris, config/pa/x-pa:
1169 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1170 OTHER_FIXINCLUDES_DIRS.
1172 * config/i386/x-djgpp: Don't set LN or LN_S.
1173 * config/m88k/x-dolph: Don't define __m88k__.
1174 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1175 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1176 * config/i860/fx2800.h: No need to #undef SVR4.
1178 38 x-host fragments remain, 2 x-cpu.
1180 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1182 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1184 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1186 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1188 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1190 * configure.in: Add check for lstat.
1191 * configure, config.in: Regenerate.
1192 * cppinit.c (append_include_chain): Make empty path ".".
1193 * cpplib.c (do_line): Don't simplify #line paths.
1194 * cppfiles.c (remove_component_p): New function.
1195 (find_or_create_entry): Acknowledge stat () errors during
1196 path simplification.
1197 (handle_missing_header): Don't simplify paths.
1198 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1199 the empty path untouched. Don't leave a trailing '/'.
1201 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1203 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1204 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1206 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1208 * cppfiles.c (open_file): Fail directories silently, but
1209 with an errno of NOENT set.
1210 (read_include_file): Move the common exit code to the sole
1211 caller. Return an int indicating success or failure. Let
1212 open_file handle directories.
1213 (stack_include_file): If read_include_file fails,
1214 push a "null" buffer.
1216 2001-04-05 DJ Delorie <dj@redhat.com>
1218 * function.h (virtuals_instantiated): Declare.
1219 * function.c: (virtuals_instantiated): Make global.
1220 * calls.c (emit_library_call_value_1): Use
1221 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1222 Otherwise, use the stack pointer directly.
1224 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1226 * i386.c (x86_initialize_trampoline): New global function.
1227 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1228 (INITIALIZE_TRAMPOLINE): Move offline.
1229 * i386-protos.h (x86_initialize_trampoline): Declare.
1231 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1233 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1234 (lea_0): Rename to lea_1.
1235 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1236 (lea_general_?): Allow SImodes on TARGET_64BIT
1237 (lea_general_?_zext): New patterns.
1238 (call_1, call_1_rex64): Fix.
1240 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1242 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1244 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1246 * i386.c (function_arg): Return constm1_rtx for last argument.
1247 (ix86_expand_prologue): Update gen_call calls.
1248 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1249 * i386.md (call_pop): Likewise.
1250 (call): Second operand is VOIDmode.
1251 (call_0): Likewise; Support 64bits.
1252 (call_exp): New expander.
1253 (call_1): Get to the sync.
1254 (call_1_exp): New pattern.
1255 (call_value): Support 64bit.
1256 (call_value_exp): New pattern.
1257 (untyped_call): Update gen_call call.
1258 (call_value_pop): Disable for 64bit.
1259 (call_value_0_rex64): New pattern.
1260 (call_value_1_rex64): Likewise.
1262 2001-04-05 Bo Thorsen <bo@suse.de>
1264 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1266 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1268 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1269 satisfies ANY_QI_REG_P.
1271 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1273 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1276 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1279 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1281 * config.gcc: Remove default for xm_file. Clean up local
1282 machine type handling. Remove settings of xm_file to
1283 something that doesn't exist. In the big switch, set xm_file,
1284 don't append to it (the value before the big switch is always
1285 null). Don't force build_xm_file or host_xm_file to have a value.
1286 * configure.in: Remove default for xm_file. Do not special
1287 case $cpu/xm-$cpu.h not existing.
1288 * configure: Regenerate.
1290 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1292 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1293 when folding integer division and modulo operations.
1295 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1297 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1298 instead of DWARF2_ADDR_SIZE for EH addresses.
1299 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1302 2001-04-04 Richard Henderson <rth@redhat.com>
1304 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1305 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1306 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1308 2001-04-04 Richard Henderson <rth@redhat.com>
1310 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1311 * configure: Rebuilt.
1313 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1315 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1316 push insns to delete to it instead of deleting them.
1317 (delete_null_pointer_checks): Delete insns from delete_list after
1318 all delete_null_pointer_checks_1 passes are done.
1320 2001-04-04 Richard Henderson <rth@redhat.com>
1322 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1323 * configure: Rebuilt.
1325 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1327 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1328 * config/romp/xm-romp.h: Delete.
1330 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1332 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1335 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1337 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1338 all labels present in rtx.
1339 (try_split) Call new function for all split insns.
1341 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1343 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1344 sure the change won't be validated.
1346 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1348 * rtl.h (set_noop_p): Declare.
1349 * flow.c (set_noop_p): Move from here ...
1350 * rtlanal.c (set_noop_p): ... to here and enhance.
1351 * cse.c (delete_trivially_dead_insns): Use it.
1352 * gcse.c (hash_scan_set): Likewise.
1353 * jump.c (delete_noop_moves): Likewise.
1354 * recog.c (split_all_insns): Likewise.
1356 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1358 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1359 stack pointer via a LO_SUM. Ditto for setting a temp register
1360 used to save to the stack. Set cfa_temp when setting fp, and
1361 allow matches to cfa_temp in addition to cfa_store when saving
1362 regs. Handle POST_INC and LO_SUM register stores. Document the
1363 changes and errors in rule 12 doco.
1365 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1366 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1367 (load_reg): Move closer to epilogue code.
1368 (DO_FRAME_NOTES): Define to control the following..
1369 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1370 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1372 (hppa_expand_epilogue): Likewise.
1374 2001-04-03 Richard Henderson <rth@redhat.com>
1376 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1377 * configure: Rebuild.
1379 2001-04-03 Richard Henderson <rth@redhat.com>
1381 * rtl.h (LCT_THROW): New.
1382 * calls.c (emit_library_call_value_1): Handle it.
1383 * except.c (connect_post_landing_pads): Use it.
1385 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1387 * gansidecl.h: Delete file.
1388 * configure.in: Change all refs to gansidecl.h to use
1389 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1391 * configure: Regenerate.
1393 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1394 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1395 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1396 Don't include gansidecl.h.
1397 * intl.c, main.c, version.c, fixinc/fixlib.h,
1398 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1401 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1403 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1406 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1408 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1409 config/i386/xm-next.h, config/i386/xm-sco.h,
1410 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1411 config/m88k/xm-m88k.h: Delete.
1413 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1414 * config/romp/xm-romp.h: Don't define bcopy.
1415 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1416 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1418 * config.gcc: Remove references to deleted files.
1420 14 xm-host.h remain, 1 xm-cpu.h.
1422 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1423 David S. Miller <davem@pierdol.cobaltmicro.com>
1424 Andrew MacLeod <amacleod@redhat.com>
1426 Use byte offsets in SUBREGs instead of words.
1428 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1429 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1430 to pass new argument.
1431 (add_stored_regs): Use subreg_regno_offset function.
1432 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1434 (precompute_arguments): Use gen_lowpart_SUBREG.
1435 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1436 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1437 (simplify_set): Rework to use SUBREG_BYTE.
1438 (expand_field_assignment): Use SUBREG_BYTE.
1439 (make_extraction): Use SUBREG_BYTE.
1440 (if_then_else_cond): Use SUBREG_BYTE.
1441 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1442 (gen_lowpart_for_combine): Compute full byte offset.
1443 * cse.c (mention_regs): Use SUBREG_BYTE.
1444 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1445 (canon_hash): Use SUBREG_BYTE.
1446 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1447 (gen_lowpart_if_possible): Formatting.
1448 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1450 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1451 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1452 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1453 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1454 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1455 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1456 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1457 certain invariants about SUBREGs the compiler creates.
1458 (gen_lowpart_SUBREG): New function.
1459 (subreg_hard_regno): New function to get the final register number.
1460 (gen_lowpart_common): Use SUBREG_BYTE.
1461 (gen_imagpart): Spacing nits.
1462 (subreg_realpart_p): Use SUBREG_BYTE.
1463 (gen_highpart): Use SUBREG_BYTE.
1464 (subreg_lowpart_p): Always compute endian corrected goal offset,
1465 even at the byte level, then compare against that.
1466 (constant_subword): New function, pulled out all constant cases
1467 from operand_subword and changed second argument name to offset.
1468 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1469 and call constant_subword to do the work. Return const0_rtx if
1470 looking for a word outside of OP.
1471 (operand_subword_force): Change second arg name to offset.
1472 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1473 (store_split_bit_field): Use SUBREG_BYTE.
1474 (extract_bit_field): Use SUBREG_BYTE.
1475 (extract_split_bit_field): Use SUBREG_BYTE.
1476 (expand_shift): Use SUBREG_BYTE.
1477 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1478 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1479 * flow.c (set_noop_p): Use SUBREG_BYTE.
1480 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1481 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1482 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1484 (optimize_bit_field): Use SUBREG_BYTE.
1485 (purge_addressof_1): Use SUBREG_BYTE.
1486 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1487 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1488 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1489 * gengenrtl.c (special_rtx): Add SUBREG.
1490 * global.c (mark_reg_store): Use SUBREG_BYTE.
1491 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1492 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1493 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1494 final byte offset is congruent to subreg's mode size.
1495 (subst_constants): Use SUBREG_BYTE.
1496 (mark_stores): Use subreg_regno_offset function.
1497 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1498 function and SUBREG_BYTE.
1499 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1500 (reg_is_born): Use subreg_hard_regno.
1501 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1502 endian correction code. Don't combine subregs unless resulting
1503 offset aligns with type. Fix subreg constant extraction for DImode.
1504 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1505 (general_operand): Remove dead mode_altering_drug code.
1506 (indirect_operand): Use SUBREG_BYTE.
1507 (constrain_operands): Use subreg_regno_offset function.
1508 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1509 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1510 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1511 * regs.h (REG_SIZE): Allow target to override.
1512 (REGMODE_NATURAL_SIZE): New macro which target can override.
1513 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1514 on the entire subreg rtx.
1515 (push_reload): Use SUBREG_BYTE in comments and code.
1516 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1517 for hard registers inside subregs.
1518 (operands_match_p): Use subreg_regno_offset.
1519 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1520 containing hard regs.
1521 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1522 corrections when fixing up MEM subregs.
1523 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1524 subreg_regno_offset where appropriate.
1525 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1526 byte endian corrections when fixing up MEM subregs.
1527 (subst_reloads): When combining two subregs, make sure final
1528 offset is congruent to subreg's mode size.
1529 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1530 (refers_to_regno_for_reload_p): Use subreg_regno.
1531 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1532 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1533 correction code for memory subreg fixups.
1534 (forget_old_reload_1): Use subreg_regno_offset.
1535 (choose_reload_regs): Use subreg_regno.
1536 (emit_input_reload_insns): Use SUBREG_BYTE.
1537 (reload_combine_note_store): Use subreg_regno_offset.
1538 (move2add_note_store): Use subreg_regno_offset.
1539 * resource.c (update_live_status, mark_referenced_resources): Use
1540 subreg_regno function.
1541 (mark_set_resources): Use subreg_regno function.
1542 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1543 (subreg_regno_offset, subreg_regno): Define prototypes.
1544 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1545 (gen_lowpart_SUBREG): Add prototype.
1546 * rtl.texi (subreg): Update to reflect new byte offset representation.
1547 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1548 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1549 (reg_overlap_mentioned_p): Use subreg_regno.
1550 (replace_regs); Make sure final offset of combined subreg is
1551 congruent to size of subreg's mode.
1552 (subreg_regno_offset): New function.
1553 (subreg_regno): New function.
1554 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1555 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1556 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1557 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1558 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1559 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1560 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1561 (print_operand): Use SUBREG_BYTE.
1562 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1563 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1564 (arm_reload_out_hi): Use SUBREG_BYTE.
1565 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1566 instead of SUBREG_WORD.
1567 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1568 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1569 SUBREG creation to use byte offset.
1570 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1571 inverted load insns): Fix explicit rtl subregs to use byte
1573 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1574 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1575 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1576 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1577 to use byte offsets.
1578 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1579 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1580 offsets, also make sure it is congruent to SUBREG's mode size.
1581 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1582 unnamed ldob insn): Generate SUBREGs with byte offset.
1583 (zero_extendqihi2): SUBREG's are byte offsets.
1584 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1585 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1586 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1587 zero-extendqisi2): Generate SUBREGs with byte offset.
1588 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1589 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1590 subregs in rtl to use byte offsets.
1591 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1592 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1593 (mips_move_2words): Use subreg_regno_offset.
1594 (mips_secondary_reload_class): Use subreg_regno_offset.
1595 * config/mips/mips.md (DImode plus, minus, move, and logical op
1596 splits): Fixup explicit subregs in rtl to use byte offsets.
1597 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1598 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1599 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1600 rtl to use byte offsets.
1601 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1602 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1603 subregs to use byte offsets.
1604 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1605 Fixup explicit subregs in rtl to use byte offsets.
1606 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1607 and remove byte endian correction code.
1608 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1609 (gen_ashift_hi): Use SUBREG_BYTE.
1610 (regs_used): Use subreg_regno_offset.
1611 (machine_dependent_reorg): Use subreg_regno_offset.
1612 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1613 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1614 (movdf_i4): Subregs are byte offsets now.
1615 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1616 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1617 (REGMODE_NATURAL_SIZE): Override.
1618 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1619 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1621 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1622 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1623 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1624 it is congruent to SUBREG's mode size.
1625 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1627 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1628 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1629 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1630 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1631 * config/v850/v850.c (print_operand, output_move_double): Use
1632 subreg_regno function.
1634 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1636 * configure.in (target_subdir): Use target_alias, not target.
1637 * configure: Rebuilt.
1639 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1641 * config/sh/crti.asm: Fix typos in comments.
1643 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1645 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1646 TARGET_FAST_INDIRECT_CALLS.
1647 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1649 (return_addr_rtx): Short circuit export stub matching when
1650 TARGET_NO_SPACE_REGS.
1651 (output_millicode_call): For out of range calls, make -fPIC
1652 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1653 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1654 * pa.md: Modify length attr calculation of all millicode insns to
1657 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1659 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1660 Require at least 2.11 in the version test. Specifically check
1661 for and reject GAS version 2.10.90.
1662 * configure: regenerate.
1664 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1666 * pa.c (override_options): Remove PIC profiling warning.
1667 (hp_profile_labelno): Delete.
1668 (hp_profile_label_rtx): Delete.
1669 (hp_profile_label_name): Delete.
1670 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1671 (output_function_prologue): Remove profiling code and all tests on
1672 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1673 merge_sp_adjust_with_store can work for PIC and profiling.
1674 (hppa_expand_epilogue): Remove profile_flag test.
1675 (hppa_can_use_return_insn_p): Likewise.
1676 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1677 cater for PROFILE_HOOK.
1678 (hppa_profile_hook): New function.
1679 * pa.h (FUNCTION_PROFILER): Now does nothing.
1680 (PROFILE_HOOK): Define.
1681 (hppa_profile_hook): Declare.
1682 (PROFILE_BEFORE_PROLOGUE): Delete.
1683 (ASM_OUTPUT_REG_PUSH): Delete.
1684 (ASM_OUTPUT_REG_POP): Delete.
1685 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1686 r24. Accept function name operand, and use this and a locally
1687 generated label to calculate pc-rel offset to func start.
1689 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1691 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1692 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1695 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1697 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1698 LO_SUM cases to where they belong.
1700 2001-04-02 Richard Henderson <rth@redhat.com>
1702 * except.h (lang_eh_type_covers): Mark extern.
1703 (lang_eh_runtime_type): Likewise.
1705 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1707 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1708 gengenrtl.c: Wrap generated header in multiple-include guard.
1709 Improve error checking.
1711 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1713 * configure.in: Don't check for putenv.
1714 * configure: Regenerate.
1715 * gcc.c (putenv): Don't define.
1716 * vax/xm-vms.h: Handle putenv.
1718 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1720 * ifcvt.c (noce_emit_move_insn): New.
1721 (noce_try_store_flag, noce_try_store_flag_constants,
1722 noce_try_store_flag_inc, noce_try_store_flag_mask,
1723 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1724 noce_try_abs): Use it.
1725 (noce_process_if_block): Likewise.
1726 For STRICT_LOW_PART, take mode from its SUBREG.
1728 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1730 * fold-const.c (fold): Before optimizing unsigned comparison with
1731 0x7fffffffU, make sure arg0 is integral type.
1733 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1735 * c-tree.texi: Document representation of wide strings.
1737 2001-04-01 Richard Henderson <rth@redhat.com>
1739 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1741 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1743 * i386.md: remove obsoleted comments.
1744 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1745 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1746 fix output template.
1748 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1750 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1752 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1754 * loop.c (load_mems): When generating a load from a pseudo, update
1757 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1759 * i386.c (ix86_split_long_move): Use change address to compensate
1760 stack pointer change in push instruction.
1762 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1764 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1765 instead of rtx_equal_p; fix the output template.
1767 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1769 * i386.c (ix86_expand_setcc): Support 64bit.
1770 (ix86_expand_int_movcc): Likewise.
1771 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1774 * i386.md (allocate_stack_worker): Turn to expander.
1775 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1777 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1779 2001-03-29 Richard Henderson <rth@redhat.com>
1781 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1783 2001-03-28 Matthew Hiller <hiller@redhat.com>
1785 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1788 * MAINTAINERS: Added self.
1790 2001-03-28 Richard Henderson <rth@redhat.com>
1792 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1793 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1795 2001-03-28 Jim Wilson <wilson@redhat.com>
1797 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1800 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1802 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1804 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1807 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1809 2001-03-28 DJ Delorie <dj@redhat.com>
1811 * Makefile.in (stage1_build): Revert CFLAGS patch.
1813 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1815 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1816 when multiplier or multiplicand is zero.
1818 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1820 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1822 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1824 (set_src_needs_barrier): Likewise.
1825 (rtx_needs_barrier): For SET case, use these two functions. Rework
1826 PARALLEL case to handle all inputs before all outputs.
1827 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1828 saw a label and no stop bit since then.
1829 (maybe_rotate, process_epilogue): Add prototypes.
1831 2001-03-28 Richard Henderson <rth@redhat.com>
1833 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1834 not TARGET_TOC for special toc restore handling.
1835 * config/rs6000/rs6000.md (eh_return): Likewise.
1837 2001-03-28 Richard Henderson <rth@redhat.com>
1839 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1840 current_function_calls_eh_return.
1841 (output_function_epilogue): Handle eh_return.
1842 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1843 (EH_RETURN_DATA_REGNO): New.
1844 (EH_RETURN_STACKADJ_RTX): New.
1845 (EH_RETURN_HANDLER_RTX): New.
1846 * config/sparc/sparc.md (call/short branch peepholes): Check
1847 can_throw_internal instead of in_same_eh_region.
1849 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1850 for eh_return data registers.
1851 (rs6000_emit_prologue): Save eh_return data registers.
1852 (rs6000_emit_epilogue): Force inline restores if eh_return.
1853 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1854 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1855 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1856 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1857 the target uses one.
1858 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1859 (return_eh_si, return_eh_di): Remove.
1860 (eh_return): New, from corpse of eh_epilogue.
1861 (eh_set_lr_si, eh_set_lr_di): New.
1863 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1864 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1865 True for pic register if current_function_calls_eh_return.
1866 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1867 Handle eh_return requirements.
1868 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1869 (EH_RETURN_STACKADJ_RTX): New.
1870 * config/i386/i386.md (exception_receiver): Remove.
1871 (eh_return, eh_return_1): New.
1872 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1874 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1875 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1876 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1877 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1878 (EH_RETURN_DATA_REGNO): New.
1879 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1880 * config/alpha/alpha.md (eh_epilogue): Remove.
1881 (exception_receiver): Use $26 for ldgp input.
1882 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1884 2001-03-28 Richard Henderson <rth@redhat.com>
1886 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1887 * except.h: Likewise.
1889 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1890 (LIB2ADDEHDEP): New.
1891 (LIB2FUNCS_EH): Remove.
1892 (LIB2ADD): Remove LIB2ADDEH.
1893 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1894 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1895 (crt{begin,end}[S].o): Likewise.
1896 (except.o): Update includes.
1897 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1898 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1900 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1901 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1902 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1903 * builtins.c (expand_builtin): Implement it.
1904 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1905 * c-common.c (c_common_nodes_and_builtins): Declare it.
1906 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1907 * calls.c (libfunc_nothrow): Remove.
1908 (emit_library_call_value_1): Don't call it.
1909 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1910 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1911 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1912 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1913 (current_funcdef_number): Globalize.
1914 (output_call_frame_info): Emit frame data if an lsda is needed.
1915 Generate augmentation for personality routine. Don't play with
1917 (dwarf2out_begin_prologue): Record funcdef_number.
1918 * dwarf2out.h (current_funcdef_number): Declare.
1919 * expr.c (expand_expr): Update for except.h name changes.
1920 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1921 * expr.h (LTI_throw, LTI_rethrow): Remove.
1922 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1923 (LTI_eh_rtime_match): Remove.
1924 (LTI_unwind_resume, LTI_eh_personality): Add.
1925 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1926 * final.c (final): Don't call check_exception_handler_labels,
1927 init_insn_eh_region, or free_insn_eh_region.
1928 (final_scan_insn): Always emit debug labels for
1929 NOTE_INSN_EH_REGION notes.
1930 * flags.h (flag_new_exceptions): Remove.
1931 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1932 (record_active_eh_regions): Remove.
1933 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1934 Use can_throw_internal.
1935 (find_basic_blocks_1): Likewise.
1936 (move_stray_eh_region_notes): Remove.
1937 (find_label_refs): No eh_return_stub_label.
1938 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1939 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1941 (delete_unreachable_blocks): Don't track deleted handlers.
1942 (flow_delete_block): Use maybe_remove_eh_handler.
1943 (delete_eh_regions): Remove.
1944 (merge_blocks): Don't check for eh region match.
1945 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1946 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1947 (init_propagate_block_info): Disable dead frame store optimization
1948 when current_function_calls_eh_return.
1949 (dump_bb): Don't print eh_beg, eh_end.
1950 * function.c (fixup_var_refs): No catch_clauses.
1951 (expand_function_end): Likewise. Call expand_eh_return before
1952 the return register use. Call sjlj_emit_function_exit_after.
1953 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1954 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1955 * ifcvt.c (dead_or_predicable): Remove eh region check.
1956 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1957 Don't check for EH vs parameters.
1958 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1959 (expand_inline_function): Call duplicate_eh_regions.
1960 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1961 (copy_insn_notes): Remap REG_EH_REGION notes.
1962 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1963 * integrate.h (struct inline_remap): Add local_return_label.
1964 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1965 check_exception_handler_labels, nor exception_optimize.
1966 (find_cross_jump): No EH region check.
1967 * optabs.c (init_optabs): Update for changed eh libfuncs.
1968 * rtl.def (RESX): New.
1969 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1970 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1971 checks. Update for except.h name changes.
1972 (expand_cleanups): Likewise.
1973 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1974 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1975 (compile_file): Call init_eh before init_optabs. Don't
1976 output_exception_table here.
1977 (rest_of_compilation): Call convert_from_eh_region_ranges,
1978 convert_to_eh_region_ranges, output_function_exception_table.
1979 Don't emit_eh_context.
1980 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1981 (EXC_PTR_EXPR): New.
1983 * md.texi (eh_epilogue): Remove.
1984 (eh_return): Document.
1985 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1986 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1988 * eh-common.h: Remove file.
1989 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1990 * libgcc2.c (L_eh): Remove.
1992 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1993 * unwind-dw2-fde.h: New file.
1994 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1995 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1996 * libgcc-std.ver: Update for eh symbols.
1998 2001-03-27 Richard Henderson <rth@redhat.com>
2000 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2001 reduce false positives.
2002 (regmove_optimize): Disable if flag_non_call_exceptions.
2004 * stmt.c (expand_return): Remove always true predicate.
2005 (expand_decl_cleanup_no_eh): Remove dead code.
2007 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2008 barrier code. Add a scheduling barrier if a non-call insn
2009 can throw internally.
2011 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2012 Auto-inc addresses trap only if their base register does.
2014 * except.c (can_throw_internal): Rename from can_throw.
2015 * except.h, resource.c: Update references.
2017 * integrate.c (copy_insn_list): Use returnjump_p.
2018 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2020 * function.h (struct function): Move all boolean valued fields
2021 to single bit fields at the end of the struct.
2023 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2025 Rename asynchronous_exceptions to flag_non_call_exceptions.
2027 * gthr-single.h (UNUSED): New. Distinguish between how C
2028 and C++ mark unused function arguments. Use throughout.
2030 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2031 value to target configuration header.
2032 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2033 * config.in, configure: Rebuild.
2034 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2035 configuration and target defines.
2036 (exceptions_via_longjmp): Remove.
2037 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2038 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2040 * except.h (flag_non_call_exceptions): Move ...
2041 * flags.h: ... here.
2043 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2044 exceptions, put the note on the trapping instruction.
2046 * flags.h (flag_new_exceptions): Remove.
2047 * toplev.c: Don't set it.
2048 * final.c: Don't check it.
2049 * except.c: Provide stub definition.
2051 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2052 (calculate_global_regs_live): Kill call-clobbered registers
2053 across exception edges.
2054 * reg-stack.c (convert_regs_1): Kill the entire target stack
2055 across non-call exception edges.
2057 * flow.c (cleanup_cfg): Take no argument.
2058 * output.h, sibcall.c, toplev.c: Update all calls.
2060 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * configure.in: Don't check for bcopy.
2063 * configure, config.in: Regenerate.
2065 * system.h: Don't define or prototype bcopy, instead poison it.
2067 2001-03-27 Richard Henderson <rth@redhat.com>
2069 * function.c (expand_function_start): Set DECL_REGISTER on
2070 a pseudo used for DECL_RESULT.
2072 * rtl.h (LCT_NORETURN): New.
2073 * calls.c (emit_library_call_value_1): Handle it.
2075 2001-03-27 Stan Shebs <shebs@apple.com>
2077 * objc/objc-act.c (objc_init): Use dump_base_name.
2078 (gen_declaration): Clear the buffer arg.
2079 (gen_declaration_1): New function, body of gen_declaration.
2080 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2081 (gen_method_decl): Ditto, plus always clear buffer arg.
2082 (error_with_ivar): Simplify.
2083 (warn_with_method): Ditto.
2084 (build_message_expr): Don't clear buffers.
2085 (dump_interface): Ditto.
2086 (objc_debug): Ditto.
2087 (build_keyword_selector): Clear the buffer by only zeroing
2089 (objc_implementation_context): Declare.
2090 (start_class): Warn about missing @end.
2091 (finish_objc): Ditto.
2093 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2095 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2097 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2099 * Makefile.in (SYSTEM_H): Define.
2100 Depend on $(SYSTEM_H), not system.h.
2102 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2104 2001-03-27 Jim Wilson <wilson@redhat.com>
2106 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2108 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2109 (process_epilogue): New static function.
2110 (process_set): Call process_epilogue instead of emitting .restore
2112 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2114 * flow.c (struct reg_cond_life_info): New fields orig_condition
2116 (init_propagate_block_info): Set new fields.
2117 (mark_regno_cond_dead): Set and use new fields.
2118 (flush_reg_cond_reg_1): Likewise.
2119 (and_reg_cond, case AND): Check for redundant AND conditions.
2120 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2123 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2125 * cppmacro.c (stringify_arg): Null terminate strings.
2127 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2129 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2130 inclusion style. xm-m68hc11.h no longer exists.
2131 * config/m68hc11/xm-m68hc11.h: Delete file.
2132 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2134 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2135 Don't define GCC_VERSION, N_, or PARAMS; don't include
2136 gansidecl.h or stdio.h. Define inhibit_libc here.
2137 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2138 Delete code conditioned on #if GCC_VERSION == 2095.
2140 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2141 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2142 Delete code conditioned on #if GCC_VERSION == 2095.
2144 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2146 * system.h: Include symcat.h.
2147 (STRINGIFY): Don't define.
2149 * configure.in: Adjust comment.
2151 * builtins.c: Use STRINGX, not STRINGIFY.
2152 * gencheck.c: Likewise.
2153 * gengenrtl.c: Likewise.
2154 * protoize.c: Likewise.
2156 * cpplex.c: Don't include symcat.h.
2157 * cpplib.c: Likewise.
2159 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2161 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2163 * c-typeck.c (digest_init): Fold init expression.
2165 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2167 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2169 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2171 * except.c (eh_regs): Save results of build_pointer_type to a temp
2172 as FUNCTION_VALUE macro may evaluate its args multiple times.
2174 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2176 * c-common.h (DECL_NUM_STMTS): New macro.
2177 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2179 (pushdecl): Likewise.
2180 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2181 * integrate.c (expand_inline_function): Don't check
2183 * print-tree.c (print_node): Don't print it.
2184 * toplev.c (rest_of_compilation): Don't try to inline when
2185 flag_no_inline is on.
2186 * tree.h (DECL_FRAME_SIZE): Remove.
2187 (tree_decl): Adjust accordingly.
2189 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2191 * combine.c (try_combine): Use memcpy, not bcopy.
2193 * genattrtab.c (expand_units): Likewise.
2195 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2197 * i386.md (push mem DI peep2): New.
2198 (mov 0, mov -1 peep2): Handle 64bit.
2199 (lea to arithmetics peep2): Handle 64bit leas.
2200 (rsp arithmetics to push/pop peep2s): New.
2202 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2204 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2206 * i386.c (struct machine_function): Add save_varrargs_registers.
2207 (ix86_save_varrargs_registers): New macro.
2208 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2209 (ix86_expand_prologue): Likewise.
2210 (ix86_emit_epilogue_esp_adjustement): Likewise.
2211 (ix86_expand_epilogue): Likewise.
2212 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2213 (pro_epilogue_adjust_stack_1): New insn.
2214 (pro_epilogue_adjust_stack_rex64): Likewise.
2215 * i386.h (MASK_NO_RED_ZONE): New constant.
2216 (TARGET_RED_ZONE): New macro.
2217 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2218 (RED_ZONE_SIZE): New constant.
2219 (RED_ZONE_RESERVE): New constant.
2221 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2223 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2225 2001-03-25 Kazu Hirata <kazu@hxi.com>
2227 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2230 (umodhi3): Likewise.
2233 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2235 * mkconfig.sh (DEFINES): Handle entries with '='.
2237 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2238 Set xm_defines to MACRO=value instead.
2240 * i370/xm-mvs.h: Delete.
2242 * ns32k/xm-pc532-min.h: Likewise.
2244 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2246 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2248 use ix86_expand_binary_operator
2249 (?sh??i_?): Disable for 64bit.
2250 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2251 * i386.c (shiftdi_operand): New predicate.
2253 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2254 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2255 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2256 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2257 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2258 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2259 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2260 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2261 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2262 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2263 (rotldi3, rotrdi3): New expanders.
2265 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2267 * i386.md (movstrsi): Move offline.
2269 (strmovdi_rex64): New.
2270 (strmov?i): Accept 64bit.
2271 (strmov?i_rex64): New.
2272 (strmov?i_rex_1): New.
2273 (strmov?i_1): Disable for 64bit.
2274 (rep_mov?i_rex64): New.
2275 (rep_mov?i): Disable for 64bit.
2276 (clrstrsi): Move offline.
2277 (strset?i_rex64): New.
2278 (strset?i: Accept 64bit.
2279 (rep_stos?i): Disable for 64bit.
2280 (rep_stos?i_rex64): New.
2281 (strset?i_rex_1): New.
2282 (strset?i_1): Disable for 64bit.
2283 (cmpstrsi): Accept 64bit.
2284 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2285 (cmpstrqi_nz_rex_1): New.
2286 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2287 (strlensi): Move offline.
2289 (strlenqi_1): Disable for 64bit; fix constraints.
2290 (strlenqi_rex_1): New.
2291 * i386.c (ix86_adjust_counter): New static function.
2292 (ix86_zero_extend_to_Pmode): Likewise.
2293 (ix86_expand_aligntest): Likweise.
2294 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2295 (ix86_expand_movstr): New global function.
2296 (ix86_expand_clrstr): New global function.
2297 (ix86_expand_strlen): New global function.
2298 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2299 ix86_expand_strlen): Declare.
2300 (ix86_expand_strlensi_unroll_1): Delete.
2302 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2304 * i386.md (cmpdi): Fix operand predicates.
2305 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2306 cmpdi_1_insn_rex64): New patterns.
2307 (adddi3): Turn to expander.
2308 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2309 (addsi3_carry_zext): New pattern.
2310 (adddi_?_rex64): New patterns and splitters.
2311 (addsi_?_zext): New patterns.
2312 (subsi3_carry_zext): New pattern.
2313 (subdi_?_rex64): New patterns and splitters.
2314 (iorsi_?_zext): New patterns.
2315 (iordi_?_rex64): New patterns and splitters.
2316 (iorsi_?_zext): New patterns.
2317 (iorsi_?_zext_imm): New patterns.
2318 (xorsi_?_zext): New patterns.
2319 (xordi_?_rex64): New patterns and splitters.
2320 (xorsi_?_zext): New patterns.
2321 (negdi*): New patterns.
2322 (one_cmpldi*): Likewise.
2323 (one_cmplsi*_zext, negsi*_zext): Likewise.
2324 (testqi_ext_3_rex64): New pattern.
2326 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2328 * i386-protos.h (ix86_split_long_move): Return void.
2329 * i386.c (ix86_split_to_parts): Handle 64bit target.
2330 (ix86_split_long_move): Likewise.
2331 * i386.md (all calls to ix86_split_long_move): Update.
2333 2001-03-23 Richard Henderson <rth@redhat.com>
2335 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2336 to avoid shadowing arguments.
2338 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2340 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2341 to variable names where DECL_NAME is different from
2342 DECL_ASSEMBLER_NAME.
2344 2001-03-23 Jim Wilson <wilson@redhat.com>
2346 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2347 (assemble_alias): Call make_decl_rtl.
2349 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2351 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2353 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2355 * extend.texi: Document the "java_interface" attribute.
2357 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2359 * mkconfig.sh: Use a subshell with redirected stdout,
2360 instead of closing stdout and confusing commands that run
2361 afterward. Throw away output of cmp.
2363 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2365 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2367 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2369 * i386.md (zero_extendsidi2_32): Break out from ...
2370 (zero_extendsidi2): ... here ; turn to expander.
2371 (zero_extendsidi2_rex64): New.
2372 (extendsidi2_32): Break out from ...
2373 (extendsidi2): ... here ; turn to expander.
2374 (extendsidi2_rex64): New.
2375 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2376 (trunc?f?f splitters): Add 64bit versions.
2378 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2380 * i386.md (pushsi, pushsi2_prologue): Disable.
2381 (pushsi2_rex64): New.
2382 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2383 (movqi_ext_1): Disable for 64bit.
2384 (movqi_ext_1_rex64): New.
2385 (pushdi2_rex64): New pattern, peep2s and splitter.
2386 (pushdi2_prologue_rex64): New pattern.
2387 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2389 (movdi splitters): Disable for 64bit.
2390 (movdi_1_rex64): New pattern, peep2s and splitters.
2391 (swapdi): New pattern.
2392 (pushsf): Disable for 64bit.
2393 (pushsf_rex64): New pattern and splitter.
2394 (pushdf_nointeger): Disable for 64bit.
2395 (pushdf_integer): Handle the 64bit case.
2396 (pushtf): Likewise; update splitters.
2398 2001-03-22 Richard Henderson <rth@redhat.com>
2400 * mkconfig.sh: Include insn-flags.h.
2401 * Makefile.in (CONFIG_H): Include insn-flags.h.
2402 (lots of objects): Remove insn-codes.h and insn-flags.h.
2404 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2405 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2406 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2407 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2408 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2409 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2410 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2411 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2412 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2413 v850/v850.c, vax/vax.c:
2414 Don't include insn-flags.h.
2416 * diagnostic.c, expr.h, reload.c, toplev.c:
2417 Don't include insn-codes.h.
2419 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2420 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2421 c4x/c4x.c, i960/i960.c, mips/mips.c:
2422 Don't include insn-codes.h or insn-flags.h.
2424 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2425 or insn-flags.h in the generated code.
2426 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2427 (main): Forward declare struct rtx_def.
2429 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2431 * invoke.texi (-ffast-math): Remove duplicate line about
2434 * gcc.texi: Remove more obsolete documentation of bugs and
2435 installation problems.
2437 2001-03-21 Kazu Hirata <kazu@hxi.com>
2439 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2442 2001-03-20 Jason Merrill <jason@redhat.com>
2444 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2446 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2447 * varasm.c (CHKR_PREFIX): Likewise.
2449 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2451 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2452 is part of a multi-SET insn.
2454 * cse.c (find_comparison_args): Remove previous change.
2455 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2458 * config/i386/i386.md (conditional_trap): Remove warning.
2460 * recog.c (push_operand): Fix error in last change that caused
2461 undefined symbol on many targets.
2463 * sdbout.c: #include ggc.h.
2464 (sdbout_init): Move to end of file.
2465 Call ggc_add_tree_root for anonymous_types.
2466 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2467 (sdbout_one_type): Use DECL_NAME for field name.
2468 * Makefile.in (sdbout.o): Show includes ggc.h.
2470 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2472 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2473 (override_options): Use properlimits for preferred_stack_boundary.
2474 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2476 (ext_register_operand): Accept DImode.
2477 (load_pic_register): Abort on 64bit.
2478 (gen_push): Use Pmode instead of SImode.
2479 (ix86_save_reg): Pic reg is never used on 64bit.
2480 (ix86_expand_prologue): Likewise.
2481 (ix86_emit_save_regs): Use Pmode instead of SImode.
2482 (legitimate_address_p): Check displacement for 64bit.
2483 (print_operand): Avoid outputting of (%rip) on 64bit.
2484 (print_operand_address): Output (%rip) where possible.
2485 (split_di): Abort on 64bit registers.
2486 (ix86_expand_branch): DImode comparison is simple for x86_64.
2487 (memory_address_length): Recognize memory addresses formed using
2489 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2491 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2493 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2495 * recog.c (push_operand): Recognize new format of push instructions.
2497 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2499 * i386.md (pushqi1): New.
2500 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2501 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2502 x86_64_immediate_operand, x86_64_immediate_operand,
2503 x86_64_zext_immediate_operand): Declare.
2504 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2505 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2506 x86_64_immediate_operand, x86_64_immediate_operand,
2507 x86_64_zext_immediate_operand): define.
2508 * i386.h (PREDICATE_CODES): Add new predicates.
2510 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2512 * i386.md (pophi1, popqi1, pushqi1): Remove.
2514 * expr.c (emit_single_push_insn): New function.
2515 (move_by_pieces): Accept NULL as destination for push instructions.
2516 (gen_push_operand): Kill.
2517 (emit_push_insn): Pass NULL when pushing; avoid updating of
2518 stack_pointer_delta.
2519 * expr.h (gen_push_operand): Kill.
2521 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2523 * rtl.texi (COMPARE): Clarify documentation and reference section
2526 2001-03-20 Stan Shebs <shebs@apple.com>
2528 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2529 (get_object_reference): Ditto.
2530 (error_with_ivar): Use error_with_file_and_line.
2531 (warn_with_method): Use warning_with_file_and_line.
2533 2001-03-20 Tom Tromey <tromey@redhat.com>
2535 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2537 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2539 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2540 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2542 2001-03-20 DJ Delorie <dj@redhat.com>
2544 * Makefile.in (install-libgcc): Pass complete list of variables.
2545 (install-multilib): Ditto.
2547 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2549 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2550 drectve_section, switch_to_section.
2552 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2553 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2554 i386_pe_mark_dllimport.
2556 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2558 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2559 functions i386_pe_*.
2561 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2562 i386_pe_* functions with char * arguments.
2564 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2566 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2568 (movsi_ie): Introduce fpul store.
2570 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2572 * Makefile.in (OBJS): Remove hashtab.o.
2574 2001-03-19 Stan Shebs <shebs@apple.com>
2576 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2577 * c-lang.c (maybe_objc_method_name): Ditto.
2578 * c-tree.h (maybe_objc_method_name): Remove decl.
2580 2001-03-19 Tom Tromey <tromey@redhat.com>
2582 * gcc.c (init_gcc_specs): Fix comment.
2584 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2586 Compute DECL_ASSEMBLER_NAME lazily.
2587 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2588 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2589 (SET_DECL_ASSEMBLER_NAME): Likewise.
2590 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2591 (set_decl_assembler_name): Declare.
2592 (lang_set_decl_assembler_name): Likewise.
2593 * tree.c (lang_set_decl_assembler_name): New variab.e
2594 (set_decl_assembler_name): New function.
2595 (init_obstacks): Set lang_set_decl_assembler_name.
2596 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2597 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2598 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2599 where it's not necessary.
2600 (builtin_function): Likewise.
2601 (finish_decl): Likewise.
2602 * dbxout.c (dbxout_type_methods): Likewise.
2603 * ggc-common.c (ggc_mark_trees): Likewise.
2604 * profile.c (output_func_start_profiler): Likewise.
2605 * varasm.c (make_decl_rtl): Likewise.
2607 * cse.c (find_comparison_args): Update documentation. Fix
2608 mishandling of COMPARE operations.
2610 * tree.def (ABS_EXPR): Add documentation.
2611 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2613 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2615 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2617 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2619 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2620 Remove ia32 linux PIC kludge and move it...
2621 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2623 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2625 * i386.md (absdf2 expander): Fix 64bit case.
2627 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2629 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2631 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2633 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2635 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2637 * README.X11: Remove obsolete file.
2639 2001-03-18 Anthony Green <green@redhat.com>
2641 * config/pj/pj.h: Remove some trailing commas.
2642 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2644 2001-03-18 Richard Henderson <rth@redhat.com>
2646 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2647 * calls.c: ... here.
2648 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2649 defaults for them here.
2651 2001-03-17 Anthony Green <green@redhat.com>
2653 * config/pj/lib1funcs.S: Fix broken comment.
2654 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2657 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2659 * gcc.texi: Remove obsolete information relating to build and
2660 installation problems with enquire or the Pyramid C compiler.
2662 2001-03-17 Richard Henderson <rth@redhat.com>
2664 * dwarf2out.c (queue_reg_save): New.
2665 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2666 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2668 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2669 (cfa, cfa_store, cfa_temp): Make static.
2670 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2672 2001-03-17 Richard Henderson <rth@redhat.com>
2674 * integrate.h (struct inline_remap): Add local_return_label.
2675 * integrate.c (expand_inline_function): Initialize it and emit
2676 it after copy_insn_notes.
2677 (copy_insn_list): Don't store local_return_label here.
2678 (copy_insn_notes): New function split out from copy_insn_list.
2680 2001-03-17 Richard Henderson <rth@redhat.com>
2682 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2683 is generating .debug_line.
2684 (dwarf2out_init): Add main_input_filename to the file table first.
2685 * configure.in (as_dwarf2_debug_line): Test with file number 1
2686 instead of file number 0.
2688 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2690 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2691 (gen_rtx_combine): Deleted; all references changed as appropriate.
2692 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2694 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2696 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2698 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2701 2001-03-16 Jim Wilson <wilson@redhat.com>
2703 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2704 then set it to LOC_REG (79) instead of aborting.
2706 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2708 * gccbug.in: Remove high priority.
2710 2001-03-16 Richard Henerson <rth@redhat.com>
2712 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2713 output with a space instead of deleting it.
2714 * configure: Regenerate.
2716 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2718 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2719 handles the gory details of converting an object file into
2720 something that's safe to grep.
2721 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2722 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2723 newlines at either end of the string we're looking for.
2724 Make 'checking ...' message less stilted.
2725 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2726 ARM in-memory layout and its hypothetical converse. Don't
2727 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2728 HOST_WORDS_BIG_ENDIAN.
2730 * configure.in: Adjust for renamed macro. Move
2731 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2732 * configure, config.in: Regenerate.
2734 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2736 * fixinc/Makefile.in: Set SHELL.
2738 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2740 * fixinc/fixincl.c (fix_with_system): Quote file names before
2741 passing them to shell.
2743 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2745 * Makefile.in: Use fix-header$(build_exeext) instead
2748 2001-03-16 Richard Henderson <rth@redhat.com>
2750 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2751 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2752 (size_of_line_prolog): Remove.
2753 (output_line_info): Compute prologue size via label difference.
2754 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2756 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2757 assembler error when redefining file numbers.
2758 * config.in, configure: Rebuild.
2760 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2761 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2762 (dw2_asm_output_delta_uleb128): Likewise.
2763 (dw2_asm_output_delta_sleb128): Similarly.
2764 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2766 2001-03-16 Michael Meissner <meissner@redhat.com>
2768 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2770 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2772 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2774 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2775 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2776 being unsigned in ISO C and signed in traditional.
2777 (expand_prologue): Ditto.
2778 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2780 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2782 (divsi3,divdi3): Ditto.
2783 (modsi3,moddi3): Ditto.
2784 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2785 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2786 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2789 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2791 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2792 SSE based conditional moves on LTGT/UNEQ conditions;
2793 Canonicalize EQ to NE.
2794 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2795 (sse_mov?fcc_ne): New.
2797 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2799 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2801 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2802 register may be dead.
2804 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2806 * Makefile.in (hash.o): Depend on CONFIG_H.
2808 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2810 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2812 2001-03-15 Richard Henderson <rth@redhat.com>
2814 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2815 (ASM_OUTPUT_DWARF_PCREL): New.
2816 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2818 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2820 * cppfiles.c (stack_include_file): Use MAX of sysp.
2822 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2824 * config.gcc (ia64*-*-hpux*): New case.
2825 * config/ia64/hpux.h: New file for HP-UX support.
2826 * config/ia64/t-hpux: New file for HP-UX support.
2828 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2830 * fixinc/inclhack.def (irix_stdio_va_list): New.
2831 * fixinc/fixincl.x: Rebuilt.
2833 2001-03-15 Richard Henderson <rth@redhat.com>
2835 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2836 if provided by the target.
2837 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2838 (dw2_asm_output_addr): New.
2839 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2840 * dwarf2out.c (output_cfi): Use it for program addresses.
2841 (output_call_frame_info, output_die): Likewise.
2842 (output_aranges, output_line_info): Likewise.
2844 2001-03-15 Bruce Korb <bkorb@gnu.org>
2846 * gcc.c(main): make more rigorous
2847 * collect2.c(main): guard against ignoring SIGCHLD
2848 * protoize.c(main): ditto
2849 * gcc/fixinc/fixincl.c(initialize): ditto
2851 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2853 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2854 (sdbout_parms): Likewise.
2856 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2858 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2859 "widen" a destination that is already wider than a word. Also do
2860 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2862 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2864 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2866 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2868 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2870 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2872 * i960.h (i960_maxbitalignment,
2873 i960_last_maxbitalignment): Declare.
2874 * i960.c (i960_maxbitalignment,
2875 i960_last_maxbitalignment): Make global.
2876 (process_pragma): Delete.
2877 (i960_pr_align, i960_pr_noalign): Move from here ...
2878 * i960-c.c: ... to this new file.
2879 * t-960bare (i960-c.o): New rule.
2880 * t-vxworks960 (i960-c.o): Likewise.
2881 * config.gcc (i960-*-*): Define c_target_objs and
2884 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2886 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2887 without adding in rtx code and mode.
2889 * alias.c (init_alias_analysis): Don't use any rtx whose value
2890 varies as a known value.
2891 Delete a superfluous test.
2893 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2895 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2896 scheduling a stop bit.
2897 (ia64_emit_nops): Correctly handle ASMs.
2899 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2901 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2903 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2905 * cpp.texi: Update documentation for -include and -imacros.
2906 * cppfiles.c (struct include_file): Remove "defined" memeber.
2907 (find_or_create_entry): Make a copy of the file name, and
2909 (open_file): Update to ensure we use the simplified filename.
2910 (stack_include_file): Don't set search_from.
2911 (cpp_included): Don't simplify the path name here.
2912 (find_include_file): New prototype. Call search_from to
2913 get the start of the "" include chain. Don't simplify the
2915 (_cpp_execute_include): New prototype. Move diagnostics to
2916 do_include_common. Update.
2917 (_cpp_pop_file_buffer): Don't set defined.
2918 (search_from): New prototype. Use the preprocessor's cwd
2919 for files included from the command line.
2920 (read_name_map): Don't simplify the pathname here.
2921 * cpphash.h (enum include_type): New.
2922 (struct buffer): Delete search from. New search_cached.
2923 (_cpp_execute_include): Update prototype.
2924 * cppinit.c (do_includes): Use _cpp_execute_include.
2925 * cpplib.c (do_include_common): New function.
2926 (do_include, do_include_next, do_import): Use it.
2928 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2930 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2931 contents of the RTL, to determine the name of the object.
2933 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2935 * tree.h (DECL_RTL): Allocate RTL lazily.
2936 (SET_DECL_RTL): New macro.
2937 (DECL_RTL_SET_P): Likewise.
2938 (COPY_DECL_RTL): Likewise.
2939 (DECL_RTL_IF_SET): Likewise.
2940 * varasm.c (make_decl_rtl): Add assertions about the kind of
2941 declaration we are processing.
2942 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2943 (start_decl): Likewise.
2944 (finish_decl): Likewise.
2945 * c-semantics.c (emit_local_var): Likewise.
2946 * calls.c (expand_call): Likewise.
2947 * dbxout.c (dbxout_symbol): Likewise.
2948 * emit-rtl.c (unshare_all_rtl): Likewise.
2949 (unshare_all_decls): Likewise.
2950 (reset_used_decls): Likewise.
2951 * expr.c (store_constructor): Likewise.
2952 (safe_from_p): Likewise.
2953 (expand_expr): Likewise.
2954 * function.c (put_var_into_stack): Likewise.
2955 (instantiate_decls_1): Likewise.
2956 (assign_parms): Likewise.
2957 (expand_function_start): Likewise.
2958 (expand_function_end): Likewise.
2959 * ggc-common.c (gcc_mark_trees): Likewise.
2960 * integrate.c (function_cannot_inline_p): Likewise.
2961 (copy_decl_for_inlining): Likewise.
2962 (expand_inline_function): Likewise.
2963 (integrate_parm_decls): Likewise.
2964 (integrate_decl_tree): Likewise.
2965 * print-tree.c (print_node): Likewise.
2966 * reg-stack.c (stack_result): Likewise.
2967 * stmt.c (label_rtx): Likewise.
2968 (expand_return): Likewise.
2969 (expand_decl): Likewise.
2970 (expand_decl_cleanup): Likewise.
2971 (expand_anon_union_decl): Likewise.
2972 * toplev.c (check_global_declarations): Likewise.
2973 (rest_of_decl_compilation): Likewise.
2974 * tree.c (simple_cst_equal): Likewise.
2975 * objc/objc-act.c (generate_static_references): Likewise.
2977 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2979 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2980 gcc_AC_C_FLOAT_FORMAT): New macros.
2981 * configure.in: Add AC_PROG_CPP after CC tests;
2982 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2983 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2984 * configure, config.in: Regenerate.
2986 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2987 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2988 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2989 config/i370/xm-linux.h, config/i370/xm-oe.h,
2990 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2991 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2992 config/pa/xm-linux.h, config/pa/xm-pa.h,
2993 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2994 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2995 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2996 config/we32k/xm-we32k.h: Delete.
2998 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2999 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3000 config/vax/xm-vms.h: Don't define any of:
3001 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3003 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3005 * config.gcc: Remove references to deleted files.
3006 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3007 FATAL_EXIT_CODE, which is the same between oe and mvs).
3009 2001-03-14 DJ Delorie <dj@redhat.com>
3010 Vladimir Makarov <vmakarov@redhat.com>
3012 * config/i960/i960.c (i960_function_prologue): Compute size of
3013 frame according to number of registers actually saved there.
3015 2001-03-14 Richard Henderson <rth@redhat.com>
3017 * expr.c (emit_move_insn_1): Fix else if around #endif.
3019 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3022 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3025 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3027 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3028 (override_options): Parse cmodel string.
3029 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3030 * i386.h (TARGET_OPTIONS): Add "cmodel".
3031 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3033 (ix86_cmodel_string, ix86_cmodel): Declare.
3035 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3038 * i386.h (GENERAL_REG_P): Add missing REG_P.
3040 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3042 * configure.in: Use $gcc_cv_as instead of $as.
3043 * configure: Regenerated.
3045 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3047 * cppfiles.c (stack_include_file): Only increase the include
3048 count if we actually process the file properly, as opposed
3049 to treating it as length zero. Only call read_include_file
3050 if not DO_NOT_REREAD. Handle the -H include file output
3052 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3053 (cpp_included, find_include_file): Simplify pathnames after
3054 remapping them. If remapping, don't use the remapped file
3055 name's buffer as our scratch buffer.
3056 (cpp_pop_file_buffer): Replace the multiple include macro
3057 only if it isn't yet set.
3058 (read_name_map): Simplify remapped names when reading in.
3059 (remap_filename): Move code to code path that uses it.
3060 (_cpp_simplify_pathname): Return the input pointer.
3061 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3063 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3065 * expr.c (expand_expr): Revove bogus conditional.
3067 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3069 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3071 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3073 * reg-stack.c (stack_result): Unconditionally use
3074 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3076 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3078 * expr.c (emit_move_insn_1): Split push of complex value when
3079 no suitable push instruction exist.
3081 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3082 instead of QI_REG_P.
3084 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3086 * alias.c (handled_component_p, can_address_p): New functions.
3087 (get_alias_set): Use them.
3089 2001-03-13 Jim Wilson <wilson@redhat.com>
3091 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3092 from 80 in try_locals code.
3093 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3095 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3097 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3098 gcc_AC_C_LONG_LONG): New.
3099 * configure.in: Use them. Probe the size of short, int, long,
3100 and long long/__int64 if we have them. Move all the AC_C_*
3101 checks together, except gcc_AC_C_CHAR_BIT which has to go
3102 after AC_CHECK_HEADERS(limits.h).
3103 Take hwint.h out of host_xm_file and build_xm_file.
3105 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3106 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3107 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3108 Move the HOST_WIDEST_INT setup logic here from system.h.
3109 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3111 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3112 is now handled by hwint.h.
3114 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3115 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3116 config/ia64/xm-ia64.h: Don't define any of:
3117 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3118 HOST_BITS_PER_LONGLONG.
3120 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3121 config/h8300/xm-h8300.h, config/mips/iris6.h,
3122 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3123 config/sparc/xm-sp64.h: Delete.
3124 * config.gcc: Remove references to deleted files.
3126 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3127 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3128 * config/i370/xm-linux.h: Clarify floating-point situation in
3131 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3133 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3134 (find_include_file): Decide here which part of the include
3135 chain to start the search. Complain about an empty include
3136 chain in all cases apart from an abolsute file name.
3137 (_cpp_execute_include): Don't choose the search chain here.
3138 Don't call handle_missing_include in the case of an empty
3140 (_cpp_compare_file_date): Don't choose the search chain here.
3141 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3142 here from _cpp_execute_include. Behave like #include if
3143 we're in the main file.
3145 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3147 * system.h (malloc, realloc, calloc, strdup): Only poison these
3148 tokens when IN_GCC is defined.
3150 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3152 * i386.md (abs?f expander): Support SSE case.
3153 (abd?f_if): Add new "USE"; add splitters.
3155 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3157 * cpp.texi (poison): Explain the macro expansion exception.
3159 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3161 * expr.c (store_expr): Add dont_store_target. If temp is already in
3162 target before copying to reg, don't store it into target again.
3164 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3166 * cppinternals.texi: Update for file handling.
3168 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3170 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3171 2001-02-24 which broke building the Java library.
3172 * function.c (identify_blocks): Likewise.
3173 (all_blocks): Likewise.
3174 * integrate.c (integrate_decl_tree): Likewise.
3175 * print-tree.c (print_node): Likewise.
3176 * tree.h (BLOCK_NUMBER): Likewise.
3177 (struct tree_block): Likewise.
3179 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3181 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3182 __WCHAR_TYPE__ definition.
3183 (WCHAR_TYPE_SIZE): #undef before #define.
3185 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3187 * cppfiles.c: Update comments.
3188 (destroy_include_file_node): Rename destroy_node.
3189 (find_or_create_entry): New function.
3190 (open_file, _cpp_fake_include): Use it.
3191 (handle_missing_header): New function, broken out of
3192 _cpp_execute include. Don't segfault if there is no
3193 system or quoted path.
3194 (_cpp_execute_include): Use handle_missing_header.
3196 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3198 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3199 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3201 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3203 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3204 unless anti_dependence says they are.
3205 * alias.c (objects_must_conflict): If neither has a type specified,
3208 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3209 David Billinghurst <David.Billinghurst@riotinto.com>
3211 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3213 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3215 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3216 (*_one_bit): Remove type on the match_operand in attributes.
3218 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3220 * i386.c: Commit forgotten hunk in previous patch.
3221 (regclass_map): Add extended registers.
3222 (dbx_register_map): Add missing frame register.
3224 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3226 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3228 * i386.md (x86_sahf_1): Disable for 64bit.
3229 (popsi*, pophi*): Likewise.
3230 (pushqi, pushhi): Likewise.
3231 (movdi, pushdi): Likewise.
3232 (zero extend DImode splitter): Likewise.
3233 (adddi, minusdi splitter): Likewise.
3234 (umulsidi): Likewise.
3236 (mulsidi): Disable for 64bit
3237 (lshift:DI/ashift:DI): Disable for 64bit.
3238 (loop patterns): Likewise.
3239 (call_pop, call_value_pop expanders and patterns): Likewise.
3240 (prologue_get_pc): Likewise.
3242 (fcmovDI pattern and splitter): Likewise.
3243 (movdfcc_1_rex64): New.
3245 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3247 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3248 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3249 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3250 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3251 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3252 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3253 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3254 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3255 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3256 (REGPARM_MAX): Set to 6 for x86_64.
3257 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3258 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3261 * (patterns that does use upper halves): Update constraints
3262 'q' to 'Q' and 'r' to 'R'.
3263 (cmpqi_ext_1): Disable for 64bit.
3264 (cmpqi_ext_3_insn): Likewise.
3265 (movqi_extzv_1): Likewsie.
3266 (addqi_ext_1): Liekwsie
3267 (testqi_ext_1): Liekwsie
3268 (andqi_ext_1): Liekwsie
3269 (xorqi_ext_1): Liekwsie
3270 (cmpqi_ext_1_rex64): New.
3271 (cmpqi_ext_3_insn_rex64): Likewise.
3272 (movqi_extzv_1_rex64): Likewsie.
3273 (addqi_ext_1_rex64): Liekwsie
3274 (testqi_ext_1_rex64): Liekwsie
3275 (andqi_ext_1_rex64): Liekwsie
3276 (xorqi_ext_1_rex64): Liekwsie
3278 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3280 * configure.in: Move check for unsigned enumerated bitfields
3281 to macro in aclocal.m4. Disable it for now.
3282 * configure, config.in: Regenerate.
3283 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3284 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3285 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3286 kind above its first use.
3288 * config/xm-interix.h, config/alpha/xm-alpha.h,
3289 config/i370/xm-linux.h, config/i386/xm-beos.h,
3290 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3291 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3292 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3293 Don't define ONLY_INT_FIELDS under any circumstances.
3295 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3297 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3298 config/sparc/xm-sysv4.h: Delete - now identical with some
3300 * config.gcc (hppa targets): Replace xm-pahpux.h and
3301 xm-papro.h with implicit xm-pa.h.
3302 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3305 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3307 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3308 before reload_cse_noop_set_p.
3310 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3312 * config.gcc: Where xm-host.h used to include another
3313 xm-host.h, list the nested header directly in xm_file. Remove
3314 references to deleted files. Can now use sparc/xm-sp64.h for
3317 * config/xm-linux.h, config/arm/xm-linux.h,
3318 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3319 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3320 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3321 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3322 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3325 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3326 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3327 bother to wrap #undef in #ifdef.
3328 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3329 Don't include xm-linux.h.
3330 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3332 * configure.in: Wrap regexps using [] in changequote block.
3333 Use expr : not echo | grep. Simplify regexps.
3334 * configure: Regenerate.
3336 56 xm-files remain, 22 xm-arch.
3338 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3340 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3341 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3342 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3343 (copy_object): Fix format specifier vs argument mismatch.
3345 * mips-tdump.c: Make local functions static.
3346 (rindex): Don't #undef.
3347 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3348 (fatal, fancy_abort): Delete.
3349 (read_seek): Avoid signed/unsigned compare.
3351 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3353 * combine.c (try_combine): Fix error in change to try original
3355 (gen_rtx_combine): Do same as gen_rtx for now.
3357 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3359 * configure.in: AC_SUBST xm_defines.
3360 * configure: Regenerate.
3361 * Makefile.in: Set DEFINES=$(xm_defines) when building
3364 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3366 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3367 (cpp_included, find_include_file): Update.
3368 (_cpp_compare_file_date): Make else unconditional.
3370 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3372 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3374 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3376 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3377 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3379 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3381 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3382 if it's a record type.
3384 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3386 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3387 mingw includes slightly.
3389 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3391 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3392 #undef token before poisoning it.
3394 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3396 * alpha.c (check_float_value): Use memcpy, not bcopy.
3398 * m32r.c (m32r_sched_reorder): Likewise.
3400 * vax.c (check_float_value): Likewise.
3402 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3404 * toplev.c (file_name_nondirectory): Remove.
3405 * toplev.h: Similarly.
3406 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3407 of file_name_nondirectory.
3409 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3411 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3412 * mips-tfile.c: Don't #undef rindex; not used.
3414 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3416 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3417 (dbx64_register_map): Declare.
3418 (RETURN_ADDR_RTX): Fix for 64bit.
3419 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3420 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3421 * i386.c (dbx64_register_map): New global array.
3422 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3423 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3426 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3428 * cppfiles.c (search_from): Use lbasename.
3429 * mkdeps.c (deps_add_default_target): Use lbasename.
3431 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3433 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3434 xcalloc in lieu of malloc, realloc & calloc.
3436 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3438 * gengenrtl.c (xmalloc): Likewise.
3440 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3441 really_call_* memory allocation routines.
3443 * stmt.c (check_for_full_enumeration_handling): Use
3444 really_call_calloc, not calloc.
3446 * system.h (really_call_malloc, really_call_calloc,
3447 really_call_realloc): Define.
3448 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3450 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3452 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3454 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3456 * configure: Rebuilt.
3457 * configure.in: Only use `lang_requires' for languages athat are
3460 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3462 * invoke.texi: Fix typo.
3463 * gcc.1: Regenerate.
3465 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3467 * configure.in: Prune nonexistent files from build_xm_file,
3468 xm_file, and host_xm_file lists. Warn unless they're
3470 Don't generate *config.h here.
3471 AC_SUBST all variables needed to generate *config.h.
3472 * configure: Regenerate.
3473 * mkconfig.sh: New helper script, from code removed from
3475 * Makefile.in: Zap all MALLOC variables - no longer used
3476 anywhere, and malloc.c doesn't exist.
3477 Substitute in variables needed to generate *config.h.
3478 Stop lying about the dependencies contained in CONFIG_H and
3480 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3481 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3482 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3483 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3484 $(TM_P_H), etc. as appropriate.
3486 * config.gcc: Zap references to deleted files.
3487 * ggc-none.c: Don't include rtl.h or tm_p.h.
3489 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3490 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3491 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3492 config/i386/xm-linux.h, config/i386/xm-linux.h,
3493 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3494 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3495 Don't include i386/xm-i386.h.
3497 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3498 config/i386/xm-i386.h, config/i860/xm-i860.h,
3499 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3500 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3501 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3502 Delete (empty except comments, #includes of other deleted
3503 files, and macros used nowhere).
3505 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3507 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3508 independent on TARGET_FLAGS.
3510 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3512 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3514 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3516 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3518 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3519 LAST_REX_SSE_REG): define.
3520 (enum reg_class): Add 'LEGACY_REGS'
3521 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3522 (SSE_REGNO_P): Recognize extended registers.
3523 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3524 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3525 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3526 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3527 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3528 REG_OK_FOR_STRREG_P): Remove.
3529 (HI_REGISTER_NAMES): Add extended registers.
3530 (ADDITIONAL_REGISTER_NAMES): Likewise.
3531 (QI_REGISTER_NAMES): Add 8bit extended registers.
3532 (DEBUG_REG): Support extended registers.
3533 * i386.c (regclass_map): Add extended registers.
3534 (dbx_register-map): Likewise.
3535 (svr4_dbx_register_map): Likewise.
3536 (print_reg): Support extended registers.
3537 (print_operand): Support 64bit operands.
3539 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3541 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3542 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3543 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3544 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3545 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3546 STACK_BOUNDARY): Set properly for 64bits.
3547 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3548 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3549 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3550 (MOVE_MAX): Set to 16.
3551 (MOVE_MAX_PIECES): 8 for 64bit.
3552 (Pmode): Set to SImode.
3554 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3556 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3558 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3560 * i386.h (mask_64bit): New constant.
3561 (target_64bit): New macro.
3562 (target_options): Add '64'/'32'
3563 (target_default): Define.
3564 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3565 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3566 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3568 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3570 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3572 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3574 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3575 LO_SUM unless for_alias is set.
3577 2001-03-08 Stan Shebs <shebs@apple.com>
3579 * objc/objc-act.c: Fix old typos in comments, add comments for
3581 (hash_init): Fix file name in error message.
3582 (hash_enter): Ditto.
3583 (hash_add_attr): Ditto.
3584 (continue_class): Ditto.
3586 2001-03-08 Bruce Korb <bkorb@gnu.org>
3588 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3589 wait4() can receive the signal.
3591 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3593 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3595 * fixinc/fixincl.x: Regenerate.
3597 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3599 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3601 * fixinc/fixincl.x: Regenerate.
3603 2001-03-08 Richard Henderson <rth@redhat.com>
3605 * configure.in (HAVE_AS_LEB128): New assembler check.
3606 * configure, config.in: Rebuilt.
3608 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3610 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3613 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3615 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3616 references to the MAXPATHLEN macro.
3618 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3619 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3622 * config/i386/xm-gnu.h, config/xm-gnu.h,
3623 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3624 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3625 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3626 and/or unused files.
3628 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3629 doing so in various xm-*.h files.
3631 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3633 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3635 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3637 * configure.in (enable_shared): Support per-package shared-library
3639 * configure: Rebuilt.
3641 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3643 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3644 for crnot. Set operands[5] in splitter.
3646 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3648 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3649 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3650 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3651 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3652 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3653 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3654 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3657 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3658 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3659 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3660 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3661 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3662 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3663 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3664 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3665 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3666 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3667 Delete unused and/or empty files.
3669 * config.gcc: Define USG in xm_defines as appropriate. Define
3670 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3671 macro. Remove deleted xm-* files from $xm_files variable.
3673 2001-03-07 Tom Tromey <tromey@redhat.com>
3675 * configure: Rebuilt.
3676 * configure.in: Allow config-lang.in to set `lang_requires' to list
3677 of other required languages.
3679 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3681 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3683 (output_prologue): Use xmalloc not oballoc.
3684 (output_epilog): Free a29k_first_epilogue_insn when finished.
3685 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3687 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3689 * builtins.c (expand_builtin_mathfn): Check
3690 flag_unsafe_math_optimizations, not flag_fast_math.
3691 (expand_builtin): Likewise
3692 * combine.c (combine_simplify_rtx): Likewise.
3693 (simplify_if_then_else): Likewise.
3694 * cse.c (fold_rtx): Likewise.
3695 * flags.h: Remove flag_fast_math. Add
3696 flag_unsafe_math_optimizations and flag_trapping_math.
3697 * fold-const.c (negate_expr): Check
3698 flag_unsafe_math_optimizations, not flag_fast_math.
3699 (invert_truthvalue): Likewise.
3700 (fold): Likewise. Before associating operands, check that
3701 code == MULT_EXPR, not code != MULT_EXPR.
3702 * ifcvt.c (noce_try_minmax): Check
3703 flag_unsafe_math_optimizations, not flag_fast_math.
3704 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3705 * invoke.texi: Document -funsafe-math-optimizations and
3706 -fno-trapping-math. Change documentation for -ffast-math.
3707 * jump.c (reversed_comparison_code_parts): Likewise.
3708 (rtx_equal_for_thread_p): Likewise.
3709 * optabs.c (emit_conditional_move): Likewise.
3710 * simplify-rtx.c (simplify_binary_operation): Likewise.
3711 (simplify_relational_operation): Likewise.
3712 (simplify_ternary_operation): Likewise.
3713 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3714 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3715 Add trapping-math and unsafe-math-optimizations entries to f_options.
3716 (set_fast_math_flags): New, sets flags for -ffast-math.
3717 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3718 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3719 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3721 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3722 (alpha_emit_conditional_move): Initialize local_fast_math to
3723 flag_unsafe_math_optimizations, not flat_fast_math.
3724 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3725 instead of setting flag_fast_math to 1.
3726 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3728 * config/i386/i386.c (override_options): Likewise
3729 * config/i386/i386.md: Likewise.
3730 * config/m68k/m68k.md: Likewise.
3731 * config/mips/mips.md: Likewise.
3732 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3733 (rs6000_generate_compare): Likewise.
3735 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3737 * Makefile.in: Set RANLIB to @RANLIB@.
3740 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3742 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3743 * fixinc/fixincl.x: Regenerated.
3745 2001-03-07 Richard Henderson <rth@redhat.com>
3747 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3749 2001-03-07 Richard Henderson <rth@redhat.com>
3751 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3752 of block notes and exception handling notes.
3754 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3755 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3756 (compile_file): ... here.
3758 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3760 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3762 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3763 config.h now. Include libiberty.h to handle alloca.
3765 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3767 * c-parse.in (yylexname): New function, split out of _yylex.
3768 (objc_rid_sans_at): New table.
3769 (init_reswords): Initialize it.
3770 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3771 retrieving the next token and checking it for significance as
3772 an ObjC keyword or string constant.
3774 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3775 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3777 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3780 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3782 * config/m68k/m68k.c (const_uint32_operand): Accept any
3783 const_int on a 32-bit host.
3785 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3787 * objc/objc-act.c (init_objc): Set save_lang_status,
3788 restore_lang_status, and mark_lang_status.
3790 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3792 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3794 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3796 * cppinternals.texi: Update.
3798 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3800 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3801 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3802 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3803 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3804 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3805 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3806 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3807 config/i386/xm-i386.h, config/i860/xm-i860.h,
3808 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3809 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3810 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3811 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3812 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3813 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3814 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3815 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3816 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3817 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3818 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3819 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3820 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3821 match the defaults provided in hwint.h.
3823 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3824 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3826 * config.gcc (xm_file): Don't set to files which are deleted.
3828 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3829 guard this file against these macros being undefined.
3831 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3833 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3834 and DECL_DEFER_OUTPUT on the decl we create, before calling
3835 rest_of_decl_compilation.
3837 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3839 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3841 * configure, config.in: Regenerate.
3842 * config.gcc: Remove references to deleted files.
3844 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3845 genrecog.c, rtl.c: Do not use alloca anywhere.
3847 * Makefile.in, build-make, system.h, config/x-interix,
3848 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3849 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3850 config/arc/xm-arc.h, config/arm/xm-arm.h,
3851 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3852 config/h8300/xm-h8300.h, config/i370/x-oe,
3853 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3854 config/i386/x-ncr3000, config/i386/x-sco5,
3855 config/i386/xm-dgux.h, config/i860/x-sysv4,
3856 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3857 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3858 config/m68k/x-hp320g, config/m69k/x-mot3300,
3859 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3860 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3861 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3862 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3863 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3864 config/mips/x-iris, config/mips/x-iris3,
3865 config/mips/x-sni-svr4, config/mips/x-sysv,
3866 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3867 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3868 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3869 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3870 config/pa/xm-papro.h, config/romp/xm-romp.h,
3871 config/rs6000/x-aix31, config/rs6000/x-aix41,
3872 config/rs6000/x-beos, config/rs6000/x-lynx,
3873 config/rs6000/x-mach, config/rs6000/x-rs6000,
3874 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3875 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3876 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3877 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3878 config/vax/xm-vms.h: Eradicate all references to alloca and
3881 * config/xm-alloca.h, config/clipper/x-clix,
3882 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3883 config/i860/x-sysv3, config/m88k/x-sysv3,
3884 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3885 (contained only alloca related hacks).
3887 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3890 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3892 * invoke.texi: Document __FAST_MATH__.
3894 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3896 * crtstuff.c: Restore include of auto-host.h.
3898 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3900 Put main() in a separate file, so that the language
3901 front-end can use a different main().
3904 * toplev.c: (main): Rename as toplev_main.
3905 * toplev.h: Declare toplev_main.
3906 * Makefile.in (OBJS): add toplev.o.
3907 (BACKEND): remove toplev.o, add main.o.
3909 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3911 * cppfiles.c (search_from): Special case the empty string.
3913 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3915 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3916 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3917 strlen or strcpy; we already know the length.
3918 (_cpp_compare_file_date): Similarly.
3919 * cpphash.h (struct cpp_reader): Delete done_initialising.
3920 (CPP_PREV_BUFFER): Delete.
3921 * cppinit.c (cpp_start_read): Don't set done_initialising.
3922 * cpplex.c (parse_string): Guarantee null-termination.
3923 (_cpp_equiv_toklists): Remove.
3924 * cpplib.c (glue_header_name): Null-terminate.
3925 (do_line): Don't leak memory.
3926 * cpplib.h (BT_WEAK): Delete.
3927 * cppmain.c (cb_ident): Strings are now null-terminated.
3929 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3931 * gcc.c (convert_filename): Append executable suffix
3932 if NO_AUTO_EXE_SUFFIX is not defined.
3933 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3934 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3936 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3938 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3939 * c-parse.gperf, c-gperf.h: Delete.
3940 (c-gperf.h was accidently re-added to the CVS repo in the rev
3941 1.16 commit by tromey)
3943 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3945 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3946 macro arguments when looking for the '('.
3947 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3948 2 when really parsing arguments; 1 when looking for '('.
3949 Always restore the lexer position.
3951 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3953 * longlong.h (umul_ppmm): Don't use a multiline string.
3955 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3957 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3958 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3959 t_bool in declaration because pcc can't combine volatile with typedef
3962 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3964 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3965 until when it is really needed.
3966 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3967 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3968 * i386.md (float?i?f splitter): Don't force source operand to memory
3970 (sse_movdfcc): Fix constraint.
3971 (sse_movdfcc splitter): Handle properly the second alternative.
3973 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3975 * cpplex.c (parse_string): Unconditionally pedwarn.
3977 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3980 * cppexp.c (parse_number): Update.
3981 * cpplex.c (parse_string): Pedwarn if multiline string does not
3982 result from a system header's macro.
3983 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3984 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3985 for function-like macros too.
3986 * c-lex.c (lex_number): Update.
3988 2001-03-03 Richard Henderson <rth@redhat.com>
3990 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3992 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3994 * combine.c (try_combine): If split with mode-changed scratch
3995 register didn't work, try the original mode.
3997 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3999 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4000 * config/c4x/c4x.h: Likewise.
4001 * stor-layout.c (compute_record_mode): Likewise.
4002 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4004 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4006 * configure.in: Kill tm.h. Include the files in the $tm_file
4007 list in all three of config.h, hconfig.h, tconfig.h, after the
4008 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4009 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4010 * configure: Regenerate.
4011 * Makefile.in (clean): Don't delete tm.h.
4013 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4014 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4015 those are not defined, set SEC and FEC to 0 and 1.
4016 * gcc.texi: Update to match.
4018 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4019 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4020 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4021 Include tconfig.h, not tm.h.
4023 * config/xm-lynx.h, config/xm-std32.h,
4024 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4025 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4026 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4027 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4028 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4029 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4030 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4031 config/i386/xm-i386.h, config/i860/xm-i860.h,
4032 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4033 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4034 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4035 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4036 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4037 config/pa/xm-linux.h, config/pa/xm-pa.h,
4038 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4039 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4040 config/pj/xm-pj.h, config/romp/xm-romp.h,
4041 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4042 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4043 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4044 config/v850/xm-v850.h, config/vax/xm-vax.h,
4045 config/we32k/xm-we32k.h:
4047 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4049 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4050 config/i370/xm-oe.h: Don't include tm.h. Don't define
4052 * config/vax/xm-vms.h: Don't include tm.h.
4054 * config/xm-lynx.h, config/avr/xm-avr.h,
4055 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4056 Delete; made empty by above changes.
4057 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4058 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4059 Don't include config/xm-lynx.h or tm.h.
4061 * config/xm-gnu.h: Don't include fcntl.h.
4062 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4064 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4066 2001-03-02 Richard Henderson <rth@redhat.com>
4068 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4069 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4071 2001-03-02 Richard Henderson <rth@redhat.com>
4073 * Makefile.in (OBJS): Add dwarf2asm.o.
4074 * dwarf2asm.c, dwarf2asm.h: New files.
4075 * dwarf2out.c (*): Use them.
4076 (size_of_uleb128, size_of_sleb128): Remove.
4077 (output_uleb128, output_sleb128): Remove.
4078 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4079 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4080 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4081 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4082 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4083 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4084 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4085 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4086 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4087 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4088 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4089 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4090 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4091 (dwarf2out_frame_debug): Remove unused variables.
4092 (output_loc_operands): Don't abort on 8 byte constants if
4093 host integers are wide enough.
4094 (output_symbolic_ref): Remove.
4095 (size_of_die): Don't assume 4 byte host integers.
4096 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4098 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4099 something stupid with HOST_WIDE_INT to long truncation.
4100 [CONST_DOUBLE]: Likewise.
4102 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4103 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4104 * config/arm/unknown-elf.h: Likewise.
4105 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4106 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4107 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4108 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4109 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4110 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4111 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4112 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4113 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4114 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4115 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4116 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4118 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4120 * cselib.c (hash_rtx): Cast enums to unsigned int.
4122 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4124 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4125 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4127 * c-format.c (C_STD_VER): Cast to int for comparisons.
4128 (check_function_format): Cast various enums to int for &.
4129 (maybe_read_dollar_number): Likewise.
4130 (check_format_info): Likewise.
4131 (check_format_info_main): Likewise.
4132 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4133 (safe_from_p): Likewise.
4134 * varasm.c (const_hash): Cast enum to int for %.
4135 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4136 pcc enum problems with < and ++ operators.
4137 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4138 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4139 (regclass_init): Change enum class to int to iterate over reg_classes.
4140 * genrecog.c (merge_trees): Cast enums for comparison.
4141 * rtl.h (GET_CODE): Cast to enum rtx_code.
4142 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4143 (GET_MODE): Cast to enum machine_mode.
4144 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4145 (GET_NOTE_INSN_NAME): Cast enum to int.
4146 * tree.h (TREE_CODE): Cast to enum tree_code.
4147 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4148 * timevar.c (timevar_print): Change loop variable id from enum to
4150 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4151 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4152 * toplev.c (compile_file): Cast enum DFI to int.
4153 (decode_d_option): Likewise.
4155 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4157 * cppinit.c (append_include_chain): Mark "after" include file name list
4158 as a system directory.
4159 * cpp.texi: Document new behavior.
4161 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4163 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4165 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4167 * cppfiles.c (struct include_file): Update.
4168 (stack_include_file): Use search_from.
4169 (cpp_included, find_include_file): Update.
4170 (cpp_execute_include): Update. ptr->name may not be
4171 null terminated. Use the new search_from member variable
4173 (_cpp_compare_file_date): Similarly.
4174 (search_from): New function, similiar to actual_directory.
4175 (actual_directory): Delete.
4176 (remap_filename): Update. loc->name may not be null terminated.
4177 (struct file_name_list): Rename search_path. Update.
4178 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4179 search_from and dir.
4180 (struct cpp_reader): Remove actual_dirs.
4181 * cppinit.c (struct cpp_pending): Update for renamed objects.
4182 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4183 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4184 * cpplib.h (struct cpp_options): Similarly.
4186 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4188 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4189 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4190 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4191 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4192 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4193 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4194 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4195 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4196 config/i370/xm-oe.h, config/i386/xm-aix.h,
4197 config/i386/xm-i386.h, config/i386/xm-osf.h,
4198 config/i860/xm-i860.h, config/i960/xm-i960.h,
4199 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4200 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4201 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4202 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4203 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4204 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4205 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4206 config/pj/xm-pj.h, config/romp/xm-romp.h,
4207 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4208 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4209 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4210 config/v850/xm-v850.h, config/vax/xm-vax.h,
4211 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4212 Do not define TRUE or FALSE.
4214 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4215 empty by above change.
4216 * config.gcc: Remove references to these files.
4218 * configure.in: Detect stdbool.h.
4219 * configure, config.in: Regenerate.
4220 * system.h: Include stddef.h here if available.
4221 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4222 Then set up a sensible boolean type at the very end.
4224 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4225 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4227 * hash.h: Delete 'boolean' typedef and related #undefs.
4229 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4230 all uses of 'boolean' with 'bool'.
4232 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4234 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4235 * cppexp.c (lex): Cast enums for comparison.
4236 * cppinit.c (parse_option): Cast enum for comparison.
4237 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4238 (cpp_output_token): Likewise.
4239 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4240 (cpp_avoid_paste): Cast enums for minus and comparison.
4242 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4244 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4245 field to all array elements.
4247 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4249 * cpphash.h (struct cpp_reader): Add print_version field.
4250 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4251 just set print_version and other flags as appropriate.
4252 (cpp_post_options): Print version here if print_version is set.
4254 * toplev.c (exit_after_options): New flag.
4255 (independent_decode_option): Don't exit here; just set
4257 (main): Exit after calling lang_hooks.post_options if
4258 exit_after_options is true.
4260 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4261 (merge_include_chains): Adjust comment to match code.
4263 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4265 * stringpool.c (set_identifier): New function.
4266 * tree.h: Prototype it.
4268 * c-parse.in: Kill D_YES. If compiled for objc, call
4269 save_and_forget_protocol_qualifiers from init_reswords.
4270 * objc/objc-act.c (remember_protocol_qualifiers,
4271 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4272 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4274 (save_and_forget_protocol_qualifiers): New function.
4275 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4277 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4279 * c-semantics.c (prune_unused_decls): Return error_mark_node
4280 instead of (tree) 1 to stop traversing the tree chain.
4282 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4284 Fix a problem introduced by Kenner's Feb 18 change.
4285 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4286 flag_cse_skip_blocks only temporarily, not for ever.
4288 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4290 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4291 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4293 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4294 before determining its register class.
4296 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4298 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4299 from reg 4 if current_function_calls_setjmp.
4300 (gen_nop_type): New function.
4301 (ia64_emit_nops): New function.
4302 (ia64_reorg): Call it.
4303 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4305 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4306 code not to try to optimize adds with anything but a REG destination.
4308 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4309 (INSN_PRIORITY_KNOWN): New accessor macro.
4310 * haifa-sched.c (priority): Use it instead of testing priority against
4313 2001-02-28 DJ Delorie <dj@redhat.com>
4315 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4316 since that doesn't work the way gcc wants on a generic m68k.
4318 2001-02-28 Richard Henderson <rth@redhat.com>
4320 * caller-save.c (save_call_clobbered_regs): Fix typo in
4321 comparison last change.
4323 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4325 * i386.c (pentium4_cost): New.
4326 (m_PENT4): New macro.
4327 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4328 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4329 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4330 x86_memory_mismatch_stall): Add Pentium4
4331 (x86_use_q_reg, x86_use_any_reg): Kill.
4332 (override_options): Add pentium4.
4333 (incdec_operand): Return 0 for pentium4.
4334 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4335 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4336 (TARGET_PENTIUM4): Define.
4337 (enum processor_type): Add PROCESSOR_PENTIUM4.
4338 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4339 * i386.md (attribute "cpu"): Add pentium4.
4340 * invoke.texi (march): Add pentium4.
4342 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4344 * i386.md (sse_mov?fcc*): New patterns and splitters.
4345 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4346 the SSE based conditional moves.
4348 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4350 * i386.md (attribute mode): Add "TI".
4351 (movsf_1): Add pxor support; remove constant propagation splitter.
4352 (movdf_integer): Likewise.
4353 (movdf_nointeger): Likewise.
4354 (movxf constant prop splitter): Handle all modes; update for SSE.
4355 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4356 * i386.c (standard_80387_constant_p): Rewrite.
4357 (standard_sse_constant_p): New.
4358 * i386-protos.h (standard_sse_constant_p): New.
4360 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4362 * i386.md (sse_setccsf, sse_setccdf): New.
4363 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4365 * i386.c (sse_comparison_operator): Accept the supported unordered
4366 comparses; be ready for fast_math.
4367 (print_operand): Support 'D'.
4369 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4371 * jump.c (reversed_comparison_code): Kill.
4373 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4375 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4378 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4380 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4381 add missing '%' in constraints.
4383 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4385 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4386 for HOST_BITS_PER_WIDE_INT == 32 too.
4388 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4390 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4392 (insert_save, insert_restore): New parameter save_mode.
4393 (init_caller_save): Update initialization of reg_save_code
4394 and reg_restore_code.
4395 (save_call_clobbered_regs): Compute save_modes and update calls to
4396 reg_save_code and reg_restore_code.
4397 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4398 of spill; update use of reg_restore_code.
4399 (insert_save): Likewise.
4400 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4401 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4402 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4404 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4406 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4407 noce_try_store_flag_inc, noce_try_store_flag_mask,
4408 noce_try_cmove_arith):
4409 Use reversed_comparison_code instead of reverse_comparison and
4410 can_reverse_comparison_p.
4412 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4414 * jump.c (reversed_comparison_code_parts): Allow reversal of
4415 unordered compares in -ffast-math mode; reverse ordered compares
4416 for FP even w/o -ffast-math.
4418 2001-02-27 Richard Henderson <rth@redhat.com>
4420 * print-rtl.c (print_rtx) [i]: Don't print field five on
4421 NOTEs other than NOTE_INSN_DELETED_LABEL.
4423 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4425 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4426 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4428 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4430 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4431 even if walk_subtrees is 0.
4432 * c-semantics.c (prune_unused_decls): Return a non-null value to
4433 stop traversing the tree chain.
4435 2001-02-27 DJ Delorie <dj@redhat.com>
4437 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4438 register, *then* define it as the new CFA.
4440 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4442 * pa.c (override_options): Promote -fpic to -fPIC.
4443 (legitimize_pic_address): Simplify due to removal of
4444 small PIC as a code generation option.
4445 (secondary_reload_class): Similarly.
4446 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4447 (PRINT_OPERAND_ADDRESS): Similarly.
4448 * pa.md (various patterns): Similarly.
4449 (small pic lo_sum pattern): Remove.
4451 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4454 * md.texi (min, max): Document
4456 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4458 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4459 TARGET_PARTIAL_REG_DEPENDENCY.
4460 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4462 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4464 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4466 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4468 * mips.c (mips_make_temp_file): Fix thinko in last change.
4470 2001-02-26 Jason Eckhardt <jle@redhat.com>
4472 * combine.c (known_cond): Do not reverse the condition when
4473 SMAX/UMAX is being considered and the condition is for equality
4476 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4478 2001-02-26 Philip Blundell <philb@gnu.org>
4480 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4482 * config/arm/linux-elf.h: Remove historical relics related to
4483 above configurations.
4484 * config/arm/linux-oldld.h: Delete.
4485 * config/arm/linux-elf26.h: Delete.
4487 2001-02-26 Jason Merrill <jason@redhat.com>
4489 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4491 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4492 recognize a tentative definition. Lose obsolete code.
4494 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4495 variables unless necessary, either.
4497 2001-02-25 Richard Henderson <rth@redhat.com>
4499 * ifcvt.c (struct noce_if_info): Add test_bb.
4500 (noce_get_alt_condition): New.
4501 (noce_try_minmax, noce_try_abs): New.
4502 (noce_operand_ok): New.
4503 (noce_process_if_block): Use them.
4504 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4506 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4508 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4511 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4513 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4514 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4516 (mips_asm_file_end): Free temp_filename here.
4518 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4520 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4521 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4523 * config/i386/i386.md (movstrsi): Handle FAIL case.
4525 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4527 * cppinit.c (builtin_array): Update.
4528 (init_builtins): Flag builtins to warn if redefined or
4529 undefined. Define __GXX_WEAK as a normal macro.
4530 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4531 * cpplib.h (NODE_WARN): New flag.
4532 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4533 Handle __STDC__ as a builtin only on Solaris.
4534 (warn_of_redefinition): Renamed from check_macro_definition.
4535 Reverse sense of test. Always warn if NODE_WARN.
4536 (_cpp_create_definition): Use warn_of_redefinition. Flag
4537 any macro beginning with "__STDC_" to require a mandatory
4538 warning if redefined or undefined.
4540 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4542 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4543 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4544 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4545 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4546 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4547 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4548 Don't define any of:
4549 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4550 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4551 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4552 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4553 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4555 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4556 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4559 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4560 Delete now-empty file.
4562 * alpha/vms.h: Define NEED_ATEXIT here...
4563 * alpha/xm-vms.h: ...not here.
4565 * i386/cygwin.h: Don't define PARAMS.
4566 * mips/mips.c: Don't prototype mktemp. Don't define
4567 P_tmpdir. Use make_temp_file to create temporary files.
4568 Don't be clever and delete temporary files early.
4569 * config.gcc: Drop references to deleted files. Don't define
4571 * gcc.texi: Don't mention USE_PROTOTYPES.
4573 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4575 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4576 (ix86_set_move_mem_attrs_1): Likewise.
4577 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4578 * config/i386/i386.md (movstrsi): Call it.
4580 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4582 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4583 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4584 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4585 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4587 (i750a-*-*): Error here if hosting on i750a.
4588 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4590 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4591 Remove (empty modulo comments).
4593 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4594 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4595 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4596 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4597 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4598 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4600 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4601 Remove reference to winnt.h in comment.
4602 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4604 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4606 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4607 used to set another biv.
4609 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4611 * tree.h (BLOCK_DEAD): New macro.
4612 (struct tree_block): New flag, dead_flag.
4613 * print-tree.c (print_node, case 'b'): Print missing fields.
4614 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4615 * function.c (identify_blocks): Enable test for misplaced notes.
4616 (all_blocks): Skip BLOCK_DEAD blocks.
4617 * integrate.c (integrate_decl_tree): Likewise.
4619 * errors.c (internal_error, trim_filename): New functions.
4620 (fancy_abort): Call internal_error.
4621 * errors.h (internal_error, trim_filename): New declarations.
4623 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4625 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4627 (EXTRA_CONSTRAINT): Formatting changes.
4629 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4631 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4633 2001-02-23 Per Bothner <per@bothner.com>
4635 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4636 so they can be called from java/jvspec.c.
4637 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4639 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4641 * i386.c (ix86_frame): New structure.
4642 (ix86_compute_frame_size): Kill.
4643 (ix86_compute_frame_layout): New.
4644 (ix86_save_reg): New.
4645 (ix86_can_use_return_insn_p): Use frame layout stuff.
4646 (ix86_expand_prologue): Likewise.
4647 (ix86_expand_epilogue): Likewise.
4648 (ix86_initial_elimination_offset): Likewise.
4649 (ix86_nsaved_regs): Use ix86_save_reg.
4650 (ix86_emit_save_regs): Likewise.
4652 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4654 * flow.c (find_sub_basic_blocks): New function.
4655 (split_block): Be ready for basic block introduced by CODE_LABEL.
4656 (commit_one_edge_insertion): Call find_sub_basic_block.
4658 * flow.c (make_edges): Add edge from entry for blocks starting with
4659 label having ALTERNATE_NAME
4661 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4663 * function.c (epilogue_done): Be ready for first basic block not
4664 containing PROLOGUE_END note.
4665 (reposition_prologue_and_epilogue_notes): Avoid placing
4666 PROLOGUE_END note between BASIC_BLOCK.
4668 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4670 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4672 2001-02-21 DJ Delorie <dj@redhat.com>
4674 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4675 check for current_function_has_nonlocal_goto from 1999-11-12.
4677 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4679 * diagnostic.c (trim_filename): No longer static.
4680 * toplev.h (trim_filename): Declare.
4681 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4682 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4683 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4684 (rtvec_check_failed_bounds): Likewise.
4685 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4687 * convert.c (convert_to_integer): Don't do unsigned unless result or
4688 both inputs are unsigned.
4690 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4693 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4695 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4697 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4699 * Makefile.in (resource.o): Add params.h dependence.
4700 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4701 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4702 * resource.c: Add dependence on params.h.
4703 (current_live_regs): Fix explanatory comment.
4704 (find_basic_block): Add new parameter to permit limiting search
4706 (mark_target_live_regs): Add new argument to find_basic_block call.
4707 (incr_ticks_for_insn): Likewise.
4709 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4711 * diagnostic.c (output_to_stream): Rename to
4712 output_buffer_to_stream. Loses the stream parameter.
4713 (init_output_buffer): Set diagnosic_buffer's stream.
4714 (flush_diagnostic_buffer): Adjust.
4715 (default_print_error_function): Likewise.
4716 (finish_diagnostic): Likewise.
4717 (verbatim): Likewise.
4719 * diagnostic.h (struct output_buffer): Add `stream' field.
4720 (output_buffer_attached_stream): New macro.
4722 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4724 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4725 check if either operand is divisible by C.
4726 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4727 If type is signed, consider negative numbers as well.
4729 2001-02-22 Richard Henderson <rth@redhat.com>
4731 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4732 reach .text instead of gp-relative relocs.
4733 * config/ia64/crtend.asm (.init): Likewise.
4735 2001-02-22 Andreas Jaeger <aj@suse.de>
4737 * extend.texi (C++ Attributes): Fix typo.
4739 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4741 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4742 functions, drop current_function_args_info.words test.
4743 (ia64_compute_frame_size): Mark syscall_linkage functions as
4744 using eight input registers.
4746 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4747 Bruce Korb <bkorb@gnu.org>
4749 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4750 * fixinc/README: Document how to convert sed substitutions
4751 to format style c_fix-es.
4752 * fixinc/fixincl.x: regen
4754 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4756 * gcc.c: Add comment explaining how to add a command-line option.
4757 Add title to specs language comment.
4759 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4761 * gcc.c (cc1_options): Add "-param".
4762 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4763 (option_map): Likewise.
4764 * toplev.c (display_help): Add entry for "--param".
4765 (independent_decode_option): Fix typographical error.
4767 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4768 Bernd Schmidt <bernds@redhat.com>
4769 Jan Hubicka <jh@suse.cz>
4771 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4772 (function_arg): Likewise.
4774 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4776 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4778 2001-02-21 Kazu Hirata <kazu@hxi.com>
4780 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4784 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4786 * flow.c (init_propagate_block_info): Canon address and use single_set
4787 for killing dead memory stores.
4789 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4791 * Makefile.in (reorg.o): Add params.h dependence.
4792 * params.def: Fix typographical error in comment.
4793 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4794 * params.h: Modify introductory comment.
4795 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4796 * reorg.c: Add dependence on params.h.
4797 (redundant_insn): Add parameterized throttle for search.
4798 (fill_simple_delay_slots): Add a comment explaining a variable.
4799 Move conditional out of loop, simplifying code.
4800 (fill_eager_delay_slots): Fix typographical error in comment.
4802 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4804 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4806 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4807 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4809 2001-02-21 Jason Merrill <jason@redhat.com>
4811 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4812 (struct tree_decl): Add uninlinable bitfield.
4813 * c-decl.c (duplicate_decls): Set it.
4814 * integrate.c (function_cannot_inline_p): Check it.
4816 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4817 DW_AT_MIPS_linkage_name to abstract methods.
4818 (dwarf2out_abstract_function): Emit class context before calling
4819 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4820 (gen_subprogram_die): Remove obsolete code.
4821 (gen_member_die): Don't include clones in the member list.
4822 (gen_decl_die): Emit abstract info for clone origin.
4823 * dwarfout.c (output_type): Don't include clones in the member list.
4824 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4825 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4826 DECL_ABSTRACT on a function that already has it set.
4828 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4829 (get_subprogram_die): Pass it in.
4831 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4833 * flow.c (mark_set_1): Make not_dead unsigned long. For
4834 non-pseudos, use it as a bitmask of the hard regs that
4837 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4839 * cppfiles.c: Update comments.
4840 (_cpp_read_file): Don't check for NULL filenames any more.
4841 * cppinit.c (cpp_start_read): Don't do canonicalization of
4842 in_fname and out_fname. Use the passed file name exclusively.
4843 (_cpp_handle_options): Don't treat "-" as a command line option,
4844 but as a normal filename.
4845 (_cpp_post_options): Canonicalize in_fname and out_fname.
4846 * cppmain.c (printer_init): Don't check out_fname for NULL.
4847 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4848 (init_c_lex): Update, and use "" to represent stdin to CPP.
4851 2001-02-20 Will Cohen <wcohen@redhat.com>
4853 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4854 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4855 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4858 2001-02-20 Stan Shebs <shebs@apple.com>
4860 * config/rs6000/rs6000.c (output_cbranch): Output branches
4861 on separate lines instead of using ';' to separate.
4863 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4865 * cppinit.c (set_lang): Move builtin handling to...
4866 (init_builtins): ...here.
4867 (_cpp_create_reader): Move call to set_lang.
4869 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4871 * stmt.c (expand_return): If an attempt is made to return the
4872 error_mar_node, treat the return like a return without a value.
4874 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4876 * sibcall.c (skip_copy_to_return_value): Call
4877 identify_call_return_value here, and return orig_insn if it
4878 returns zero. Hardret and softret arguments now unnecessary.
4879 (call_ends_block_p): Don't call identify_call_return_value here.
4881 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4883 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4884 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4886 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4888 * pa.c (move_operand): Accept code to load the address of a
4889 symbol out of the DLT as a valid move operand.
4890 (print_operand, case 'A'): New to handle generating a DLT
4891 reference for a LO_SUM expression.
4892 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4893 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4895 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4897 * README, cpp.texi, gcc.texi, version.c: Update version number to
4899 * cpp.1, gcov.1, gcc.1: Regenerate.
4901 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4903 * cppfiles.c (stack_include_file): Generate dependencies
4904 here, and manage include_count here too.
4905 (PRINT_THIS_DEP): Delete.
4906 (_cpp_execute_include): Do not generate dependencies here,
4907 apart from the case of a missing header. Do not manage
4909 (_cpp_read_file): Leave dependency generation to
4912 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4914 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4915 target_cpu_default. Remove dead assignment to
4918 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4920 * regclass.c (contains_reg_of_mode): Make global.
4921 (init_reg_sets): Remove contains_reg_of_mode; take into account
4922 CLASS_MAX_NREGS when looking for the proper mode.
4923 (dump_regclass): Dump only classes considered for the pseudo.
4924 (regclass): Use contains_reg_of_mode.
4926 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4928 * gcc.c (do_spec_1): 'n' for printing notices.
4929 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4931 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4933 * reg-stack.c (next_flags_user): Use current_block->end
4934 (swap_rtx_condition): Look for next user if flags don't die;
4935 give up on CALL_INSNs; use current_block->end.
4937 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4939 * sibcall.c (call_ends_block_p): New function.
4940 (optimize_sibling_and_tail_recursive_call): Use it.
4942 2001-02-18 Kazu Hirata <kazu@hxi.com>
4944 * config/h8300/h8300.md: Update copyright.
4945 (andsi3): Do not output an extra newline character.
4947 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4949 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4950 FNDECL may be unused.
4952 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4953 follow jumps after first run.
4954 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4955 it doesn't change any jumps.
4957 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4959 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4960 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4961 (mostlyclean): Corresponding changes.
4962 * rtlanal.c (hard-reg-set.h): Include.
4963 (rtx_unstable_p): Do not treat the argument pointer specially
4964 if it is not a fixed register.
4965 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4967 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4969 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4970 against last real insn in basic block.
4971 Rework to avoid gotos.
4973 * Makefile.in (gcse.o): Now includes ggc.h.
4974 * gcse.c: Include ggc.h.
4975 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4976 (try_replace_reg): Remove warning of uninitialize variable.
4977 (process_insert_insn): Call invalid_insn_p to validate insn.
4978 * recog.c (insn_invalid_p): Now global.
4979 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4980 * recog.h (insn_invalid_p): New declaration.
4982 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4984 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4985 assignments from FP constants since 'Y' output code can't handle it.
4986 (eligible_for_sibcall_delay): Likewise.
4988 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4989 Call fancy_abort directly, passing args.
4990 (print_rtl_and_abort): Now a macro, like fancy_abort.
4992 * final.c (output_operand_lossage): Use internal_error, not error.
4994 2001-02-18 Shane Nay <shane@agendacomputing.com>
4996 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4997 structure shift insns.
4999 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5001 * invoke.texi (-fsquangle): Remove documentation.
5002 (-fname-mangling-version): Likewise.
5004 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5006 * optabs.c (expand_abs): Remove reference to
5007 HAVE_contitional_arithmetic.
5008 * combine.c (simplify_set): Likewise.
5010 2001-02-18 Richard Henderson <rth@redhat.com>
5012 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5015 2001-02-18 Richard Henderson <rth@redhat.com>
5017 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5019 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5021 * reload1.c (reload_cse_simplify_set): Fix typo.
5023 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5025 * diagnostic.c (_fatal_insn): Decrement errorcount.
5027 * invoke.texi (-I): Add note avoiding use for system header files.
5029 * rtl.h (add_clobbers): Remove duplicate declaration.
5030 * recog.h (added_clobbers_hard_reg_p): New declaration.
5031 * genemit.c (struct clobber_pat): New field has_hard_reg.
5032 (gen_insn): Record if added clobbers clobber hard reg.
5033 (gen_split): Avoid unused warning if number of operands is 0.
5034 (output_added_clobbers_hard_reg_p): New function.
5037 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5039 * pa.c (hppa_expand_prologue): Simplify code storing return
5040 pointer. For large (>=8k) frames with a post_store, adjust stack
5041 pointer by 8k-64 first rather than by 64. When testing with
5042 VAL_14_BITS_P, always use the actual value rather than the value
5043 negated. Add blockage to prevent scheduling of spills before
5044 stack frame has been created.
5045 (hppa_expand_epilogue): Simplify code loading return pointer.
5046 Allow a slightly larger range for merge_sp_adjust_with_load case.
5047 When testing with VAL_14_BITS_P, always use the actual value.
5049 * pa.c (pa_adjust_insn_length): Check that block move
5050 pattern is a set before looking at operands.
5052 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5054 * fold-const.c (fold_binary_op_with_conditional_arg): New
5055 function, split out from ...
5057 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5058 conditional arms that throw exceptions.
5060 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5063 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5066 define HAVE_DECL_* to 1 to mask potential backup declarations.
5067 * configure: Regenerated.
5069 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5071 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5073 2001-02-17 Richard Henderson <rth@redhat.com>
5075 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5076 when replacing a memory load with a register.
5078 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5079 Jan Hubicka <jh@suse.cz>
5081 * recog.c (validate_replace_src_1): New.
5082 (validate_replace_src_data): Likewise.
5083 (validate_replace_src): Use note_uses.
5084 * rtl.h (note_uses): Declare.
5085 * rtlanal.c (note_uses): New.
5087 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5089 * reg-stack.c (stack_def): Make field reg unsigned.
5090 (remove_regno_note): Unsignetize parameter.
5092 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5094 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5095 shladd_operand() call.
5097 2001-02-16 Bruce Korb <bkorb@gnu.org>
5098 Rodney Brown <RodneyBrown@mynd.com>
5100 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5101 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5102 machine restrictions
5103 * fixinc/fixincl.x: regen
5105 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5107 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5109 (hash_scan_insn): Clean up calls to hash_scan_set.
5110 (compute_kill_rd): REGNO now unsigned.
5111 (try_replace_reg): Rework to use simplify_replace_rtx.
5112 (cprop_jump, cprop_cc0_jump): Likewise.
5113 (cprop_insn): Call find_reg_equal_equiv_note.
5114 Reflect changes to cprop_jump and cprop_cc0_jump.
5116 * recog.c (validate_replace_src): Replace in operands of
5117 ZERO_EXTRACT in SET_DEST.
5119 * cse.c (new_label_ref): New variable.
5120 (insert): Set it instead of recorded_label_ref.
5121 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5122 CODE_LABEL for this function, and not already in REG_LABEL note.
5124 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5126 * resource.c (mark_referenced_resources): Fix typo in introductory
5128 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5131 2001-02-16 Jason Merrill <jason@redhat.com>
5133 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5135 (gen_subprogram_die): Don't abort on seeing a second definition if
5136 the previous one was abstract. Don't replace an abstract instance
5137 in the lookup table.
5139 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5140 gen_abstract_function.
5141 * dwarf2out.h: Declare it.
5142 * toplev.c (note_outlining_of_inline_function): New fn.
5143 * toplev.h: Declare it.
5144 * integrate.c (output_inline_function): Call it.
5145 * c-decl.c (duplicate_decls): Call it when redefining an extern
5146 inline. Don't inline the new defn.
5148 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5150 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5152 * .gdbinit: Rename to gdbinit.in.
5153 * gdbinit.in: New file,
5154 * configure.in: Generate .gdbinit from gdbinit.in.
5155 * configure: Regenerated.
5156 * Makefile.in (distclean): Always remove .gdbinit.
5158 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5160 * objc/objc-act.c (start_class): Register implemented_classes with
5163 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5165 * cppfiles.c (_cpp_make_system_header): Generate a file
5168 2001-02-15 Jim Meyering <meyering@lucent.com>
5170 * Makefile.in (install-common): Don't depend on installdirs here.
5171 Instead, make each of the lang.install-common targets (e.g.,
5172 c++.install-common in cp/Make-lang.in) depend on it.
5173 (install-driver): Depend on installdirs.
5175 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5177 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5179 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5182 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5184 * invoke.texi (--param): Document.
5186 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5188 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5190 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5192 * i386.md (extendsfdf2_2): Fix constraints.
5194 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5196 * i386.md (fop_df_3 splitter): Fix operand number.
5198 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5200 * invoke.texi (-mreg-alloc): Nuke.
5201 * i386.c (ix86_reg_alloc_order, regs_allocated,
5202 order_regs_for_local_alloc): Nuke.
5203 (override_options): Kill reg_alloc code.
5204 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5205 (REG_ALLOC_ORDER): SSE goes before I387.
5206 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5207 (ix86_reg_alloc_order): Likewise.
5208 * i386-protos.h (ix86_reg_alloc_order): Kill.
5210 2001-02-14 Richard Henderson <rth@redhat.com>
5212 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5214 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5216 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5218 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5220 * i386-protos.h (ix86_memory_move_cost): Move offline.
5221 * i386.c (ix86_register_move_cost): Compute properly cost of
5222 SSE, MMX and i387 instructions.
5223 (*_cost): Add costs of SSE/MMX moves.
5224 (ix86_memory_move_cost): Move offline from ....; Likewise.
5225 * i386.h (MEMORY_MOVE_COST): .... here;
5226 (struct processor costs): Add new fields to represent costs
5229 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5231 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5232 move_cost together with Matt Kraai's fix.
5234 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5236 * Makefile.in (OBJS): Add params.o.
5238 2001-02-14 Richard Henderson <rth@redhat.com>
5239 DJ Delorie <dj@redhat.com>
5241 * jump.c (jump_optimize_1): When we delete a conditional jump
5242 preceeding a non-conditional jump to effectively the same place,
5243 make sure that the combined jump skips any clobber insns between
5246 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5248 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5250 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5252 * Makefile.in (toplev.o): Depend on params.h.
5253 (intergate.o): Likewise.
5254 (params.o): New target.
5255 * flags.h (inline_max_insns): Remove.
5256 * integrate.c: Include params.h.
5257 Use MAX_INLINE_INSNS instead of inline_max_insns.
5258 * params.c: New file.
5259 * params.h: Likewise.
5260 * params.def: Likewise.
5261 * toplev.c: Include params.h.
5262 (lang_independent_params): New variable.
5263 (decode_f_option): Use the param machinery instead of setting
5265 (independent_decode_option): Handle "--param name=value".
5266 (main): Register language-independent parameters.
5268 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5270 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5272 2001-02-14 Richard Henderson <rth@redhat.com>
5274 * regclass.c (init_reg_sets_1): Revert last two changes.
5276 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5278 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5279 (variable_size): Call put_pending_size.
5280 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5281 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5282 sizes list, put newly created SAVE_EXPR there as well.
5284 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5286 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5287 (errata_find_address_regs): load_group has only 2 entries.
5288 (errata_emit_nops): Likewise. shladd is not problematic.
5289 Clear last_group if nop was emitted.
5290 (fixup_errata): load_group has only 2 entries.
5293 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5295 * c-lex.c (lex_number): Only warn traditionally for U suffix
5296 outside system macros.
5297 * cppexp.c (parse_number): Similarly.
5298 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5299 * cppmacro.c (struct cpp_macro): New member node.
5300 (parse_args): Only warn about missing rest args if not
5302 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5303 (cpp_sys_objmacro_p): New.
5304 (_cpp_create_definition): Store the node with the macro defn.
5305 Remember if the macro is defined in a system header.
5307 2001-02-13 DJ Delorie <dj@redhat.com>
5309 * configure.in (check_languages): determine languages to check
5310 * Makefile.in (check-c++): alias for check-g++
5311 (check-f77): alias for check-g77
5312 (CHECK_TARGETS): depend on configured languages
5314 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5316 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5317 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5318 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5319 (sqrtextendsfdf2): Disable for SSE2.
5321 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5323 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5324 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5325 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5326 (sqrtextendsfdf2): Disable for SSE2.
5328 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5330 * i386.md (movsfcc_1): Support integer cmove instruction.
5331 (movdfcc_1): Likewise; new splitter.
5333 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5335 * i386.c (output_fp_compare): Support SSE.
5336 (prepare_fp_compare_args): SSE comparisons always support memory.
5337 * i386.h (TARGET_CMOVE): SSE imply cmove.
5338 * i386.md (cmp?f2): Enable for SSE too.
5339 (cmpfp_i*): Support SSE.
5341 (cmpfp_i_sse_only): New.
5342 (s*, b* fp expanters): Enable for SSE too.
5343 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5346 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5348 * regclass.c (init_reg_sets_1): Silence warning.
5350 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5352 * i386.md (sqrt?f2): Change to expander.
5353 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5355 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5357 * rtlanal.c (find_reg_equal_equiv_note): New function.
5358 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5359 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5360 * rtl.h: Add declarations for above functions.
5362 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5364 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5366 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5367 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5368 * flow.c (mark_regs_live_at_end): Likewise.
5369 (calculate_global_regs_live): Likewise.
5370 * gcse.c (compute_hash_table): Likewise.
5371 (compute_kill_rd): Likewise.
5372 * resource.c (mark_target_live_regs): Likewise.
5373 * rtl.h (INVALID_REGNUM): New macro.
5375 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5377 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5379 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5381 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5384 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5386 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5388 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5389 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5390 (fop_sf_1_sse, fop_df_1_sse): New patterns
5391 (fop_*): Disable float_extend and float patterns for SSE compilation.
5392 * i386.c (output_387_binary_op): Support SSE.
5394 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5396 * i386.md (dummy_extendsfdf2): Support SSE2
5397 (extendsfdf2): Enable if 80387 or SSE2.
5398 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5399 and no MIX_I387_SSE2
5400 (extendsfdf2_1_sse_only): New pattern.
5401 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5403 (truncdfsf2_1): Support SSE.
5404 (truncdfsf2_2): Support SSE.
5405 (truncdfsf2_2_1_sse): New pattern.
5406 (fixtruncsfsi2): Always use SSE if available.
5407 (fix_truncsfsi_sse): New pattern.
5408 (fix_truncdfsi_sse): New pattern.
5409 (floatsis?f2): Support SSE.
5410 (floatsidf2_i387): New pattern.
5411 (floatsidf2_sse): Likewise.
5413 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5415 * configure.in: Use "have_gnat" variable, not "gnat".
5416 * configure: Regenerated.
5418 * config/sparc/sparc.c (function_value): Treat all non-record
5419 aggregate types like used to treat UNION_TYPE.
5421 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5423 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5424 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5426 (MASK_MIX_SSE_I387): New.
5427 (TARGET_SSE): SSE2 imply SSE.
5428 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5429 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5430 (enum reg_class): Add new classes.
5431 (REG_CLASS_NAMES): Likewise.
5432 (REG_CLASS_CONTENTS): Likewise.
5433 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5434 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5435 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5436 (CLASS_MAX_NREGS): Use new macros.
5437 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5438 * i386.md (pushsf, movsf): Support SSE.
5439 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5440 splitters to use ANY_FP_REGNO_P.
5441 (movdf_nointeger, movdf_integer): Likewise.
5443 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5445 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5446 (try_combine): Use it.
5448 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5450 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5451 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5452 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5453 (REGISTER_MOVE_COST): Likewise.
5454 * i386-protos.h (ix86_secondary_memory_needed,
5455 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5456 * i386.c (ix86_secondary_memory_needed,
5457 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5459 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5461 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5462 (HARD_REGNO_MODE_OK): Move offline to ....
5463 * i386.c (ix86_hard_regno_mode_ok) ... here;
5464 refuse all incorrect modes.
5465 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5467 2001-02-13 Richard Henderson <rth@redhat.com>
5469 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5470 entire operator; replicate that and match_dup the operands.
5471 (cmp_ccx_arith_op_set): Likewise.
5472 (cmp_cc_arith_op_not_set): Likewise.
5473 (cmp_ccx_arith_op_not_set): Likewise.
5475 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5477 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5479 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5481 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5482 (TARGET_NO_BITFIELD_WORD): New macro.
5483 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5484 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5486 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5488 * cselib.c: New file, from simplify-rtx.c.
5489 * simplify-rtx.c: Remove cselib parts.
5490 * Makefile.in: Add cselib.o.
5492 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5494 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5495 (setup_incoming_varargs): Remove warning.
5497 * config/rs6000/rs6000.c (validate_condition_mode): When
5498 flag_fast_math, allow floating-point conditionals to be reversed.
5499 (rs6000_generate_compare): When flag_fast_math, don't generate
5500 cror operations for FP conditionals.
5502 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5504 (ASM_SPEC): Likewise.
5505 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5506 (CC1_SPEC): Likewise.
5507 (LINK_TARGET_SPEC): Likewise.
5508 (CPP_ENDIAN_SPEC): Likewise.
5509 * Makefile.in (check-consistency): New target.
5511 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5513 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5514 "return type defaults" warning for functions with return type
5516 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5517 function declarations by default rather than only when pedantic.
5519 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5521 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5524 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5526 * extend.texi (Deprecated): Deprecate new initializer lists.
5528 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5530 * mkdeps.c (deps_add_default_target): Robustify. Add
5531 basename component only.
5532 * cpp.texi (-M): Describe how default target is generated.
5533 * invoke.texi (-M): Likewise.
5535 2001-02-12 Kazu Hirata <kazu@hxi.com>
5537 * toplev.c (push_float_handler): Remove.
5538 (pop_float_handler): Remove.
5539 * toplev.h: Remove prototypes for the above functions.
5541 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5543 * c-common.c (constant_fits_type_p): New function.
5544 (convert_and_check): Use it.
5546 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5548 * Makefile.in (GXX_ABI_FLAG): Don't define.
5549 * configure.in (--enable-new-gxx-abi): Remove option.
5550 * config.in: Regenerated.
5551 * configure: Likewise.
5553 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5555 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5557 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5558 regular basic block, and arrange for all edges into it to switch
5561 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5563 * Makefile.in (distclean): Do not remove .gdbinit.
5565 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5567 * Makefile.in (gcc.o): Fix typos.
5568 (protize.o): Likewise.
5569 (unprotoize.o): Likewise.
5571 2001-02-11 Richard Henderson <rth@redhat.com>
5573 * tree.c (build1): Check for null operand in last change.
5575 2001-02-11 Richard Henderson <rth@redhat.com>
5577 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5578 (fold): Don't assume a constant isn't foldable.
5579 * tree.c (build): Set TREE_CONSTANT for an expression with no
5580 side-effects and constant operands.
5583 2001-02-10 Richard Henderson <rth@redhat.com>
5585 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5587 2001-02-10 Anthony Green <green@redhat.com>
5589 * cpp.texi (Standard Predefined): Add documentation for
5592 * c-common.c (combine_strings): Improve warning message.
5594 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5596 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5598 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5600 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5602 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5605 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5607 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5610 2001-02-09 Nick Clifton <nickc@redhat.com>
5612 * config/arm/arm.md: Change output contraint on post inc
5613 load/store multiple patterns to be a read/write contraint.
5615 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5617 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5618 .o files when using the -M options.
5620 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5621 David Edelsohn <edelsohn@gnu.org>
5623 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5624 handle DImode constants. Use one TOC entry for SImode and smaller
5625 constants, aligned properly.
5627 2001-02-08 Jason Merrill <jason@redhat.com>
5629 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5630 about the SP adjustment for saving the static chain pointer.
5631 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5632 offset when setting a temporary CFA register.
5634 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5636 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5637 powerpc-*-chorusos* .
5638 * config/rs6000/chorus.h : New file.
5639 * config/i386/chorus.h : New file.
5640 * config/sparc/chorus.h : New file.
5641 * config/sparc/t-chorus-elf : New file.
5643 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5645 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5646 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5647 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5648 (__WCHAR_TYPE__): Correct macro name.
5650 2001-02-08 Richard Henderson <rth@redhat.com>
5652 * config/i386/i386.c (ix86_frame_pointer_required): New.
5653 (ix86_setup_frame_addresses): New.
5654 (struct machine_funciton): Add accesses_prev_frame.
5655 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5656 ix86_frame_pointer_required.
5657 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5658 (SETUP_FRAME_ADDRESSES): New.
5659 * config/i386/i386-protos.h: Update.
5660 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5661 from FRAME_POINTER_REQUIRED.
5662 * config/i386/svr3gas.h: Likewise.
5663 * config/i386/sysv3.h: Likewise.
5664 * config/i386/v3gas.h: Likewise.
5666 2001-02-08 Richard Henderson <rth@redhat.com>
5668 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5669 calculation of the number of integer registers required.
5670 (function_arg_record_value): Likewise.
5672 2001-02-08 Jason Merrill <jason@redhat.com>
5674 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5675 two. Print file and line with "confused" message.
5677 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5679 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5681 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5683 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5685 * final.c (cleanup_subreg_operands): The address of a MEM can
5688 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5691 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5693 * gcc.texi (Incompatibilities): Update documentation of
5694 preprocessing numbers.
5696 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5698 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5700 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5702 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5704 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5705 * gcc.c (struct compiler): Add cpp_spec field.
5706 (input_file_compiler): New variable.
5707 (do_spec_1): Allow a particular compiler to handle `%C'
5709 (main): Store the current compiler in input_file_compiler.
5710 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5712 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5714 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5715 * cppinit.c (cpp_create_reader): Initialize them.
5716 (append_include_chain): cxx_aware arg might be unused.
5717 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5718 keywords and give them their phase 7 meaning. Pedwarn about
5719 this unless '__bool_true_false_are_defined' is defined.
5721 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5723 * lcm.c (optimize_mode_switching): Emit mode_set before the
5724 JUMP_INSN of an abnormal edge.
5726 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5728 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5729 a scheduling barrier at the end.
5731 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5733 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5735 * config/sh/sh.md (reload_outsf): Removed.
5736 (movsf_ie): Introduce constraints for FPUL loads and stores.
5737 (reload_insf): Broaden the output constraint.
5739 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5741 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5742 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5744 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5746 * final.c: Revert my previous changes.
5747 * output.h: Make profile_label_no extern.
5748 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5749 for generating label.
5751 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5753 * config/i386/djgpp.h: Add comments about standard paths.
5754 (MD_EXEC_PREFIX): Undefine before defining.
5755 (MD_STARTFILE_PREFIX): New.
5757 2001-01-30 Bruce Korb <bkorb@gnu.org>
5759 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5760 (load_file): do not rely on load_file_data() to close file pointer
5761 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5762 fixinc/inclhack.def(irix_limits_const): add test_text
5764 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5766 * cppexp.c (parse_defined): Improve diagnostics for invalid
5769 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5771 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5773 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5775 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5776 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5777 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5778 (rs6000_output_symbol_ref): New function.
5779 (output_toc): Use VTABLE_NAME_P.
5781 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5783 * print-tree.c (print_node, case PARM_DECL):
5784 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5786 * stor-layout.c (reference_types_internal): New variable.
5787 (internal_reference_types): New function.
5788 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5789 * tree.h (internal_reference_types): New declaration.
5791 * cse.c (find_best_addr): Fix typo in computing cost.
5793 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5795 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5796 and this is the sum of a pointer and a constant, we know the result
5798 (num_sign_bit_copies, case PLUS): Likewise.
5799 * explow.c (convert_memory_address): Remove opposite SUBREG.
5800 * function.c (instantiate_new_reg): New function (from common code).
5801 (instantiate_virtual_regs_1): Call it.
5802 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5803 if pointers sign- or zero-extend.
5804 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5805 If pointers extend unsigned, use inside of SUBREG.
5806 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5808 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5810 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5811 subdir of gcc_gxx_include_dir.
5812 (gcc_gxx_target_include_dir): Remove.
5814 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5816 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5817 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5818 a high-level description.
5820 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5822 * final.c: Move the declaration of profile_label_no to ...
5823 * output.h: ... here.
5824 * function.c (expand_function_start): Call PROFILE_HOOK.
5825 * config/rs6000/aix.h: Define PROFILE_HOOK.
5826 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5827 * config/rs6000/rs6000.c (output_profile_hook): Define.
5828 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5829 output_profile_hook.
5830 tm.texi : Explain new macro PROFILE_HOOK.
5832 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5834 * extend.texi (Extended Asm): Do not say that semicolon is always
5835 a valid line-breaking character for GNU assemblers. Use
5836 newline-tab as the most commonly supported syntax. Use
5837 newline-tab rather than semicolon in multi-insn examples.
5839 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5841 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5843 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5844 David Edelsohn <edelsohn@gnu.org>
5846 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5847 code for AIX, even without flag_pic.
5849 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5851 * c-typeck.c (common_type): push and pop binding level around
5852 calling common_type on function parameters.
5854 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5856 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5858 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5860 * config/mips/mips.c (override_options): Fix typo in last change.
5861 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5862 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5864 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5866 * invoke.texi (-fdump-class-layout): Document.
5867 (-fdump-translation-unit): Use `=' as filename separator.
5869 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5871 * Makefile.in (s-mlib): Don't build multilibs if
5873 (DRIVER_DEFINES): Adjust accordingly.
5875 (protoize.o): Likewise.
5876 (unprotoize.o): Likewise.
5877 * configure.in: Recognize --enable-multilib.
5879 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5881 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5883 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5884 * configure.in: Remove --enable-libstdcxx_v3 support.
5885 * configure: Regenerated.
5887 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5889 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5890 Call abort instead of fatal.
5891 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5892 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5893 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5894 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5895 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5896 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5898 * diagnostic.h (set_internal_error_function): Renamed.
5899 * toplev.h (internal_error): Renamed from fatal.
5900 (pfatal_with_name): Deleted.
5901 (fatal_io_error): Now has printf-style arguments.
5902 * diagnostic.c (pfatal_with_name): Deleted.
5903 (fatal_io_error): Rework to have args in printf-style.
5904 (set_internal_error_function): Renamed from set_fatal_function.
5905 (internal_error): Renamed from fatal.
5906 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5907 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5908 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5909 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5910 * flow.c (verify_flow_info): Likewise.
5911 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5912 * config/mips/mips.c (save_restore_insns): Likewise.
5914 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5915 * flow.c (verify_flow_info): Likewise.
5916 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5917 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5918 (avr_normalize_condition): Likewise.
5919 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5920 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5921 (limit_reload_class, double_reg_to_memory): Likewise.
5922 (print_operand_address, emit_1600_code_shift): Likewise.
5923 (gen_tst_reg, gen_compare_reg): Likewise.
5924 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5925 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5927 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5929 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5930 * objc/objc-act.c (build_ivar_chain): Likewise.
5931 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5933 * graph.c (clean_graph_dump_file): Likewise.
5934 * profile.c (init_branch_prob): Likewise.
5935 * objc/objc-act.c (objc_init): Likewise.
5937 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5938 * config/avr/avr.c (avr_override_options): Likewise.
5939 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5940 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5941 * config/h8300/h8300.c (h8300_init_once): Likewise.
5942 * config/mips/mips.c (override_options): Likewise.
5943 * config/i386/i386.c (override_options): Likewise, rework.
5944 * config/m68k/m68k.c (override_options): Likewise.
5946 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5948 * config/mips/mips.c (print_operand): Likewise.
5949 * hash.c (hash_allocate): Don't check for failure returns from
5950 obstack functions that can't fail.
5951 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5952 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5953 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5954 (get_object_reference): Likewise.
5956 2001-02-04 Nick Clifton <nickc@redhat.com>
5958 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5959 StrongARM1110, 10TDMI, and 1020T.
5961 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5963 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5965 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5967 * config/sh/sh.md (movdf load split): Pass register number to
5968 FP_OR_XD_REGISTER_P.
5970 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5972 * cppinit.c (BC): New macro.
5973 (builtin_array): Add __GXX_WEAK__.
5974 * cpplib.h (builtin_type): Add BT_WEAK.
5975 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5976 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5977 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5979 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5981 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5983 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5985 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5986 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5988 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5990 * cpphash.h: Rename ALIGN _ALIGN.
5991 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5993 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5995 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5996 compilation environment.
5997 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5998 control over location of cygwin includes and libs.
6000 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6002 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6004 2001-02-02 lars brinkhoff <lars@nocrew.org>
6006 * md.texi (Standard Names): remove reference to spur.md.
6008 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6010 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6011 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6012 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6013 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6014 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6016 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6018 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6019 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6020 number before reload.
6021 (c4x_adjust_cost): Return zero before reload.
6022 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6023 split before reload.
6025 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6027 * c4x.c (c4x_hard_regno_rename_ok): New.
6028 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6029 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6031 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6033 * diagnostic.h: Add missing "extern" in all declarations.
6035 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6037 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6038 as for gcc_gxx_include_dir.
6040 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6042 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6044 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6046 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6047 label before alignment to be used as the braf base address.
6048 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6050 (casesi_jump_2): Require at least TARGET_SH2.
6052 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6053 truncation to 32-bit doubles on -m3e and -m4-single-only.
6055 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6057 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6058 the default when building a shared object.
6059 (init_spec): Use it.
6060 * testsuite/lib/g++.exp: Include the directory where libgcc
6061 is located to the LD_LIBRARY_PATH list.
6062 * invoke.texi (-shared-libgcc): Document the cases in which
6063 GCC defaults to using the shared libgcc.
6065 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6067 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6068 unsigned is wide enough.
6070 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6071 (si_to_float): Likewise.
6072 (float_to_si, float_to_usi): Use BITS_PER_SI.
6074 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6076 * dwarf2out.c: Added explanation of abbreviations.
6077 (def_cfa_1): Added comments listing DWARF2 instructions.
6078 (cfa_temp_reg): Removed in favor of cfa_temp.
6079 (cfa_temp_value): Removed in favor of cfa_temp.
6080 (cfa_temp): New global variable.
6081 (dwarf2out_frame_debug_expr): Added extensive introductory
6082 comments explaining the function's transformations. Revised to
6083 use cfa_temp. Added some rtx checking. Generalize IOR case.
6084 (dwarf2out_frame_debug): Revised to use cfa_temp.
6085 (output_aranges): Cast as "unsigned" to avoid warning.
6086 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6087 explain which instructions must be marked.
6089 2001-02-01 Richard Henderson <rth@redhat.com>
6091 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6094 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6096 * config/sh/crt1.asm (main_k): Modified so that start calls
6097 ___setup_argv_and_call_main.
6099 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6101 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6102 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6103 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6104 * cppmacro.c (builtin_macro): Set builtin flags here.
6105 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6106 (replace_args): Clarify intent.
6107 (cpp_get_token): Macro expansion tokens get the saved flags.
6109 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6112 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6114 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6117 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6119 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6120 returns Pmode pseudo, but we need ptr_mode.
6121 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6122 Remove bogus conversions; use HOST_WIDE_INT for size.
6123 Don't use TARGET if wrong mode.
6125 * config/i386/i386.c (ix86_compute_frame_size): Allow
6126 stack_alignment_needed to be non-default even if size is zero.
6128 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6130 * pa.c (hppa_init_pic_save): New function.
6131 * pa.h (hppa_init_pic_save): Declare.
6132 * pa.md (call, call_value, sibcall, sibcall_value): Use
6133 the above instead of duplicated code.
6135 * pa.c (hppa_encode_label): Correct size of alloca buffer
6136 so we don't overrun it. Correct leading `*' case.
6137 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6138 need to handle `*@'.
6139 (FUNCTION_NAME_P): Likewise.
6141 2001-01-31 Richard Henderson <rth@redhat.com>
6143 * config.gcc (alpha-osf5): Use float-i128.h.
6145 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6146 * config/float-i32.h: Likewise.
6147 * config/float-i64.h: Likewise.
6148 * config/float-sh.h: Likewise.
6149 * config/float-sparc.h: Likewise.
6151 2001-01-31 DJ Delorie <dj@redhat.com>
6153 * expmed.c (extract_bit_field): allow non-integral modes if we
6154 want to extract a whole register from itself.
6156 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6158 * c-typeck.c (set_init_index): If first is equal to last, assume as
6159 if it was not a range at all.
6161 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6163 * config/fp-bit.c: Include tm.h.
6164 (float_to_si): Don't assume SImode is 32-bits wide.
6165 (float_to_usi): Likewise.
6167 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6169 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6171 (typename): Call pending_xref_error after parsing typed_typespecs.
6172 * c-decl.c (lookup_tag): Give error immediately rather than
6173 leaving it pending if the tag of the wrong type is in the same
6175 (xref_tag): Don't pedwarn for forward declarations of enum types
6177 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6180 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6182 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6184 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6186 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6187 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6189 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6191 * cpphash.h (struct cpp_reader): New saved_flags.
6192 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6193 to avoid a paste after a pasted token.
6195 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6197 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6198 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6199 Wtype_MIN instead of LONG_MIN.
6201 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6203 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6205 * fixinc/fixincl.x: Regenerated.
6206 * fixinc/inclhack.def (irix_limits_const): New definition to
6207 convert "const" to "__const" in limits.h.
6209 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6211 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6213 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6215 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6216 when register dies in the insn.
6218 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6220 * diagnostic.c (fatal): Fix word wrap.
6222 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6224 * combine.c (try_combine): Fix SUBREG setting for
6225 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6227 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6229 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6232 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6234 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6236 * toplev.c (decode_W_option): Update warn_larger_than
6237 unconditionally for each processed switch.
6239 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6241 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6243 (hppa_expand_prologue): Delete code to save pic offset table register
6244 in the function prologue.
6245 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6246 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6247 table register at the beginning of the function after the prologue.
6249 2001-01-29 lars brinkhoff <lars@nocrew.org>
6251 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6253 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6254 Jeff Law <law@redhat.com>
6256 * pa.md (return): Revise comment for trivial return.
6257 (return_internal): Non-trivial return pattern for non-PIC code.
6258 (return_internal_pic): Non-trivial return pattern for PIC code.
6259 It uses the PIC register to ensure it is restored after
6261 (epilogue): Generate appropriate return for PIC and non-PIC code.
6263 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6265 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6267 2001-01-29 DJ Delorie <dj@redhat.com>
6269 * combine.c (if_then_else_cond): Pass the correct mode to
6270 operand_subword() for constants.
6272 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6274 * config/i386/cygwin.h: Add w32api to include search. Search different
6275 directories in a cross-build environment.
6277 2001-11-29 Tim Josling <tej@melbpc.org.au>
6279 * tree.h (TYPE_STUB_DECL): Add documentation.
6281 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6283 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6284 (sdbout_field_types): Likwise. Fix use of host_integerp.
6286 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6288 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6291 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6293 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6294 to use flag_gnu_linker.
6296 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6298 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6299 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6301 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6303 * tree.c, tree.h (build_parse_node): Remove; was identical to
6305 * c-lang.c (start_cdtor), objc/objc-act.c
6306 (build_module_descriptor): Use build_nt instead of
6309 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6311 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6312 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6313 not have any upper bits set.
6315 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6317 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6319 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6321 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6323 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6325 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6326 (integer_minus_one_node): Define.
6328 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6330 * Makefile.in (bootstrap2-lean): Fix typo.
6332 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6334 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6335 : Don't set fe_value.
6336 * cpplib.h (AVOID_LPASTE): New flag.
6337 (struct cpp_hashnode): Remove fe_value.
6338 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6339 * cppmacro.c (builtin_macro): Don't set flags here.
6340 (replace_args): Set AVOID_LPASTE flag on first token of an
6341 argument, and the token following it.
6342 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6343 macro expansion, and on the token following it. Do it for
6345 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6347 2001-01-27 Richard Henderson <rth@redhat.com>
6349 * config/alpha/t-ieee: Remove multilibbing.
6350 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6352 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6354 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6356 * Makefile.in: Remove all dependencies on defaults.h.
6357 * builtins.c: Don't include defaults.h.
6358 * c-common.c: Likewise.
6359 * c-decl.c: Likewise.
6360 * c-pragma.c: Likewise.
6361 * c-typeck.c: Likewise.
6362 * combine.c: Likewise.
6364 * frame-ia64.c: Likewise.
6365 * cppexp.c: Likewise.
6366 * crtstuff.c: Likewise.
6367 * dbxout.c: Likewise.
6368 * dwarf2out.c: Likewise.
6369 * dwarfout.c: Likewise.
6370 * emit-rtl.c: Likewise.
6371 * except.c: Likewise.
6373 * final.c: Likewise.
6374 * frame-dwarf2.c: Likewise.
6375 * libgcc2.c: Likewise.
6376 * optabs.c: Likewise.
6377 * profile.c: Likewise.
6378 * sdbout.c: Likewise.
6379 * toplev.c: Likewise.
6380 * tradcif.y: Likewise.
6382 * varasm.c: Likewise.
6384 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6386 * builtins.c (expand_builtin_fputs): Use size_one_node when
6387 transforming into fwrite.
6389 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6391 * extend.texi (Attribute Syntax): New section.
6393 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6395 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6396 they didn't need fixing.
6398 2001-01-27 Janis Johnson <janis@us.ibm.com>
6400 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6402 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6403 to remove macro definitions that are duplicated from elfos.h.
6405 2001-01-27 Richard Henderson <rth@redhat.com>
6407 * config/i386/sco5gas.h: Move ...
6408 * config/usegas.h: ... here.
6409 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6411 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6413 * c-typeck.c (struct constructor_stack): Add range_stack member.
6414 (really_start_incremental_init): Clear it.
6415 (push_init_level): Save constructor_range_stack and clear it if
6416 pushing explicit braces.
6417 (pop_init_level): abort if constructor_range_stack is non-zero at
6418 explicit closing brace. Restore saved constructor_range_stack if
6421 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6423 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6424 into register was forced into memory.
6426 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6428 * Makefile.in: Remove uses of + before $(MAKE).
6430 2001-01-26 Richard Henderson <rth@redhat.com>
6432 * stmt.c (cost_table): Remove.
6433 (COST_TABLE, cost_table_initialized): New.
6434 (estimate_case_costs): Use the later instead of the former.
6435 (balance_case_nodes): Likewise.
6437 2001-01-26 Richard Henderson <rth@redhat.com>
6439 * alias.c (objects_must_conflict_p): Read-only slots may not
6440 conflict despite having the same type.
6442 2001-01-27 Michael Hayes <mhayes@redhat.com>
6444 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6446 (check_ext_dependant_givs): Initialise u_start_val and
6448 (load_mems): Make last_max_reg unsigned.
6449 (try_swap_copy_prop): Use INSN_P and initialise set.
6451 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6453 * README.AVR : Removed.
6455 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6457 * pa-64.h (text_section): Remove declaration.
6459 * pa.md (return_internal): Remove mode on PIC register use.
6461 2001-01-25 lars brinkhoff <lars@nocrew.org>
6463 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6464 ASM_CLOSE_PAREN): fix typos.
6466 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6468 * acconfig.h: Define `const' to the empty string if neither
6469 __STDC__ nor __cplusplus is defined.
6470 * config.in: Regenerated.
6472 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6474 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6475 * collect2.c (main): Delete importf. Add ".obj" file extension.
6476 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6477 (aix_std_libs): Add additional AIX libraries to skip.
6478 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6479 * config/rs6000/aix51.h: New file.
6481 2001-01-25 Michael Hayes <mhayes@redhat.com>
6483 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6484 (loop_insn_emit_before): No longer static.
6485 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6486 (loop_givs_rescan, load_mems): Likewise.
6487 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6488 (maybe_eliminate_biv_1):
6489 (move_movables): Replace emit_call_insn_before with
6490 loop_call_insn_hoist.
6491 * loop.h (loop_insn_emit_before): Add.
6492 * unroll.c (copy_loop_body): Replace emit_insn_before with
6493 loop_insn_emit_before.
6495 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6497 * diagnostic.c (fatal): Request preprocessed source.
6499 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6501 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6502 olddecl has argument types and newdecl has none, use the argument
6505 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6507 * dwarf2out.c (prefix_of): New function. Determine longest common
6508 prefix of the two arguments. The units are whole path components.
6509 (output_file_names): When adding a new directory find the one entry
6510 with the longest common prefix already in the list. Artificially
6511 generate entry if there is none for this prefix.
6512 Fix test to check whether the zeroth directory entry is used.
6514 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6516 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6517 Changed all callers. Take it into account when deciding if a
6518 previously loaded value matches.
6520 2001-01-24 Richard Henderson <rth@redhat.com>
6522 * reload.c (find_reloads_subreg_address): Fail the substitution
6523 if the resulting address is insufficiently aligned.
6525 2001-01-24 DJ Delorie <dj@redhat.com>
6527 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6528 check the original operand's mode also.
6529 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6531 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6533 * c-parse.in (cast_expr): Move compound literals from here ...
6534 (primary): ... to here. Use standard terminology "compound
6535 literal" instead of "constructor expression".
6537 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6539 * gcc.1, cpp.1: Regenerate.
6541 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6543 * calls.c (emit_library_call_value_1): Memory slot for
6544 pass-by-reference argument should have the mode of the argument,
6545 not of the pointer to it.
6547 2001-01-24 Tom Tromey <tromey@redhat.com>
6549 * gcc.texi (G++ and GCC): Mention gcj manual.
6550 (Standards): Link to section of manual mentioning gcj/Java
6553 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6555 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6556 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6557 * tradcpp.c (main): Add -imacros or -include'd dependencies
6559 * cpp.texi (-M, -MM): Document -M -include behaviour.
6561 2001-01-24 Roger Collins <roger@ProProject.com>
6563 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6565 2001-01-24 Will Cohen <wcohen@redhat.com>
6567 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6568 whether registers are 32 bits or 64 bits in size.
6570 2001-01-24 Ben Elliston <bje@redhat.com>
6572 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6574 2001-01-24 Richard Henderson <rth@redhat.com>
6576 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6577 (builtin_longjmp): Use it instead of emit_indirect_jump.
6579 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6581 * bb-reorder.c (make_reorder_chain_1): Handle case where
6582 jump edge goes to the same block as the fallthru edge.
6584 2001-01-23 Jim Wilson <wilson@redhat.com>
6586 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6587 * frame.h (__ia64_personality_v1): Add prototype.
6588 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6589 prototype form. Add void * cast to first argument to personality
6591 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6592 (asctoe113): Likewise.
6593 * config/ia64/frame-ia64.c: Include eh-common.h.
6594 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6596 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6598 (itanium_split_issue): Add prototype.
6599 (gen_nop_type): Ifdef out.
6600 (find_best_packet): Initialize best_packet.
6601 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6603 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6604 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6605 (flushrs): Add explicit stop bit at end.
6606 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6609 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6611 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6613 * libgcc2.c (__terminate_func): Make variable static.
6614 (__terminate_set_func): New function to set __terminate_func.
6615 * libgcc2.h (__terminate_func_ptr): New typedef.
6616 (__terminate_set_func): New function.
6618 2001-01-23 Richard Henderson <rth@redhat.com>
6620 * flow.c (init_propagate_block_info): Don't consider unchanging
6621 memories for dead frame store elimination.
6623 2001-01-23 Richard Henderson <rth@redhat.com>
6625 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6626 * defaults.h: ... here.
6628 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6630 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6632 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6634 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6636 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6638 * rs6000.h (rs6000_return_addr): Move prototype from here...
6639 * rs6000-protos.h (rs6000_return_addr): ...to here.
6640 (rs6000_init_expanders): Delete prototype.
6642 2001-01-23 Nick Clifton <nickc@redhat.com>
6644 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6645 (Spec Files): Document %B and %j and %. and %v3 and %M and
6646 %{S*&T} spec switches.
6648 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6650 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6652 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6653 Neil Booth <neil@daikokuya.demon.co.uk>
6655 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6656 Have -Werror make pedantic warnings errors, like the
6659 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6661 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6663 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6665 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6666 * integrate.c (expand_inline_function): Initialize them.
6667 (subst_constants): If changing COMPARE so that both its arguments
6668 will be VOIDmode and the comparison mode will be lost, note
6669 compare_mode. Use the recorded compare_mode to optimize
6672 2001-01-23 Jason Merrill <jason@redhat.com>
6674 * dwarf2out.c (new_die): Use xcalloc.
6675 (output_die): Abort rather than emit a local reference to offset 0.
6677 2001-01-17 Andrew Haley <aph@redhat.com>
6679 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6680 of a saved register; return NULL instead.
6681 (copy_reg): Take a pointer to a source register rather than a
6683 (next_stack_level): Remember the address in the stack frame of all
6685 Use the saved register pointer array as the source of the CFA.
6686 (throw_helper): Rewrite. Unwind once rather than twice and keep
6687 track of saved registers as we go.
6689 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6691 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6692 * c4x.c (c4x_legitimize_reload_address): Remove.
6693 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6694 reload address for ldp(k) insn.
6696 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6698 * pa.md (return_internal): Add a USE of the PIC register to ensure
6699 it is restored after each call.
6700 (return expander): Corresponding changes.
6702 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6704 * rs6000.h (INIT_EXPANDERS): Delete.
6705 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6706 * rs6000.c (rs6000_override_options): Call *_machine_status from
6708 (rs6000_init_expanders): ...instead of here. Delete.
6709 (rs6000_mark_machine_status): New function.
6710 (rs6000_init_machine_status): Use xcalloc.
6711 (rs6000_return_addr): Generate RTX for the return address.
6712 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6713 (rs6000_stack_info): Use it.
6715 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6717 * gthr-win32.h: Include errno.h to get a declaration for
6718 EINVAL and _mingw.h if the target is mingw32.
6720 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6722 * cpp.texi: Correct typos.
6724 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6726 * explow.c (probe_stack_range): Ensure value passed to
6727 stack_check_libfunc is ptr_mode, not Pmode.
6729 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6731 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6732 case, don't use operand_subword to calculate a SUBREG that is
6735 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6737 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6739 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6740 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6741 valid. If not replace it by equivalent insns.
6743 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6745 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6746 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6747 (c4x_U_constraint, symbolic_address_operand): Likewise.
6748 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6750 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6751 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6752 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6753 anulling slot because of silicon bug.
6754 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6756 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6758 * cppexp.c (parse_charconst): Change `mask' type to agree
6761 2001-01-21 Richard Henderson <rth@redhat.com>
6763 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6764 pic_label_name in a linkonce section.
6766 2001-01-17 Philipp Thomas <pthomas@suse.de>
6768 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6770 * configure: Regenerate.
6772 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6774 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6775 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6777 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6779 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6780 If REVERSE nonzero then condition code in X must be reversed.
6781 (encode_section_info): Optimise if/else.
6782 (avr_function_value): Fix formatting.
6784 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6785 (difficult_branch): Likewise.
6786 (rvbranch): Likewise.
6787 (difficult_rvbranch): Likewise.
6789 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6791 * config/avr/libgcc.S: Fix comment.
6793 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6795 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6797 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6799 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6801 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6803 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6804 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6805 * configure, config.in: Regenerate.
6806 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6807 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6808 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6809 (doprint.o): New rule.
6811 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6813 * c-typeck.c (digest_init): Handle boolean types as scalars.
6815 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6817 * stmt.c (expand_return): Don't return anything if size is zero.
6818 Delete redundant assignment to BYTES.
6819 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6821 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6823 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6824 the same as the default library function names.
6825 * config/avr/avr.md: Document special characters after '%'.
6826 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6827 knowing which of the call-used registers are really clobbered.
6828 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6829 New. Both quotient and remainder from one libgcc.S call.
6830 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6831 clobber as few registers as possible.
6832 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6834 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6836 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6837 context of the top of the stack.
6839 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6841 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6842 (fixup_var_refs_insns): ...here.
6844 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6846 * function.c (fixup_var_refs_insns): Break up into
6847 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6848 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6849 [loop over hash table entries].
6850 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6851 fixup_var_refs_insns_with_hash, to match above changes.
6853 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6855 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6856 (libgcc.a): Likewise.
6857 (stmp-multilib): Likewise.
6858 (STAGE2_FLAGS_TO_PASS): Likewise.
6860 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6862 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6863 temporary if no_new_pseudos.
6865 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6867 * cppinternals.texi: Update.
6869 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6871 * arm.c (arm_init_builtins): Re-enable builtins.
6873 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6875 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6876 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6877 element to be null, and always expect an EXPR_LIST.
6878 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6879 * sched-deps.c (sched_analyze_1): Likewise.
6880 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6882 * regclass.c (max_set_parallel): New variable.
6883 (reg_scan): Take it into account in computation of max_parallel.
6884 (reg_scan_mark_refs, case SET): Compute it.
6886 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6888 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6889 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6891 2001-01-19 Jason Merrill <jason@redhat.com>
6893 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6894 for the abstract instance of an inline function.
6896 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6897 J"orn Rennecke <amylaar@redhat.com>
6899 * reload1.c (move2add_note_store): Treat all registers directly or
6900 indirectly derived from a base register as members of the same set
6902 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6903 of base register into account.
6905 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6907 * alias.c (find_base_value): Recognize TRUNCATE.
6908 (record_set): In PLUS case, invalidate if other summand is also a
6911 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6913 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6914 entry to be EXPR_LIST.
6915 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6916 be an EXPR_LIST (but not null, which other code doesn't allow).
6917 (note_stores): Properly handle PARALLEL in SET.
6918 Recursively call for top-level PARALLEL.
6919 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6920 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6922 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6924 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6926 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6927 not pfile->skipping (== 0).
6929 2001-01-17 Nick Clifton <nickc@redhat.com>
6931 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6934 2001-01-17 Jim Wilson <wilson@redhat.com>
6936 * invoke.texi (IA-64 options): Improve.
6938 2001-01-17 Tom Tromey <tromey@redhat.com>
6940 * invoke.texi (Optimize Options): Use `{}' to around @samp
6943 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6945 * invoke.texi (-fno-guess-branch-probability): New option.
6947 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6949 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6950 case of making new double-word constant.
6951 Revert last change: instead just test i3_subst_into_i2.
6953 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6955 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6956 Use q constraints instead of r.
6958 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6960 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6961 (machine_function): Define.
6962 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6963 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6964 pa_free_machine_status): New functions.
6965 (override_options): Set {init,mark,free}_machine_status to above.
6966 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6967 PIC_OFFSET_TABLE_REGNUM_SAVED.
6968 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6969 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6970 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6971 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6972 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6974 2001-01-15 DJ Delorie <dj@redhat.com>
6976 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6980 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6982 * flow.c (propagate_on_insn): Make trying to delete a prologue
6983 or epilogue insn an ICE, not a warning. Allow doing this if
6984 the current function returns with stack pointer depressed.
6986 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6987 I3 having more than one SET.
6989 2001-01-16 Jim Wilson <wilson@redhat.com>
6991 * invoke.texi: Document IA-64 options.
6993 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6994 (fixup_errata): Delete TARGET_A_STEP use.
6995 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6996 (TARGET_SWITCHES): Delete -ma-step option.
6997 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6998 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6999 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7000 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7001 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7002 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7004 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7005 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7006 cmovsi_internal): Delete ! TARGET_A_STEP check.
7008 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7010 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7011 possibility to report bugs via postal mail. Change a URL and
7012 merge in a nearly duplicate statement...
7013 (Bug Reporting): ...from here.
7014 (Service): Refer to the Bug Reporting section instead of
7016 (Contributing): Remove trivial explanations concerning snapshots.
7018 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7020 * cppmain.c (general_init): Don't use ANSI prototype.
7022 2001-01-16 Tom Tromey <tromey@redhat.com>
7024 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7026 2001-01-16 Richard Henderson <rth@redhat.com>
7028 * config/i386/i386.h: Fix comment typo.
7029 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7030 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7032 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7034 * gcc.c: Revert previous -fsyntax-only-related change; move
7037 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7039 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7040 inmode after checking GET_CODE (op).
7042 2001-01-16 Richard Henderson <rth@redhat.com>
7044 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7045 (MAX_MEM_SET_LIST_LEN): New.
7046 (propagate_one_insn): Update mem_set_list_len.
7047 (invalidate_mems_from_autoinc): Likewise.
7048 (invalidate_mems_from_set): Likewise.
7049 (mark_used_regs): Likewise.
7050 (init_propagate_block_info): Likewise. Stop collecting memories
7051 when we reach MAX_MEM_SET_LIST_LEN.
7052 (mark_set_1): Likewise.
7054 2001-01-16 Richard Henderson <rth@redhat.com>
7056 * unroll.c (precondition_loop_p): Fail if no iteration
7059 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7061 * gcc.c: When -fsyntax-only is given, do not complain about
7064 2001-01-15 Richard Henderson <rth@redhat.com>
7066 * config/i386/i386.c (asm_output_function_prefix): Remove.
7067 (ix86_asm_file_end): New.
7068 (load_pic_register): Generate pic_label_name into a
7069 staticly allocated buffer.
7070 * config/i386/i386-protos.h: Update.
7071 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7072 (ASM_FILE_END): New.
7073 * config/i386/i386afe.h: New file.
7074 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7075 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7076 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7077 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7078 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7079 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7080 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7082 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7084 * Makefile.in (install-man): Remove explicit dependency on
7087 * configure.in, configure: Revert previous patch requiring perl
7090 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7092 * toplev.c (flag_guess_branch_prob): New.
7093 (f_options): Add guess-branch-probability option.
7094 (rest_of_decl_compilation): Only estimate branch probability if
7096 (main): set flag_guess_branch_prob.
7098 * flags.h (flag_guess_branch_prob): New.
7100 2001-01-15 DJ Delorie <dj@redhat.com>
7102 * gcc.texi (Makefile): Add documentation for Makefile targets.
7104 2001-01-15 Philip Blundell <philb@gnu.org>
7106 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7108 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7109 (is_pic): Delete declaration.
7110 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7111 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7112 * config/arm/arm.md (builtin_setjmp_receiver): New.
7114 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7116 * arm.c (use_return_insn): Don't try to determine the function type
7117 until after reload has completed.
7118 (arm_output_epilogue): Don't adjust the sp value recovered from the
7120 (emit_multi_reg_push): Don't record dwarf information for the pc.
7121 * arm.md (eh_epilogue): The function type may have changed, so it
7122 needs to be recalculated.
7123 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7124 unwind tables on arm/netbsd.
7126 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7128 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7129 (negated_cbranchsi4): Likewise.
7131 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7133 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7134 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7135 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7136 pass -mapcs-* options to assembler.
7137 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7138 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7139 (ASM_SPEC): Call subtarget_extra_asm_spec.
7141 2001-01-15 Andreas Jaeger <aj@suse.de>
7143 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7145 (ix86_expand_builtin): Likewise.
7147 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7148 warning about comparison between signed and unsigned.
7150 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7152 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7154 2001-01-14 Ralf Baechle <ralf@gnu.org>
7156 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7157 SUBTARGET_CPP_SPEC apropriatly.
7159 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7161 * varasm.c (make_decl_rtl): Fix typo in last change.
7163 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7165 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7166 linker supports the init_priority C++ attribute.
7167 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7168 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7169 linker does not support init_priority C++ attribute.
7171 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7173 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7175 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7177 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7178 * cp/lex.c (finish_parse): Similarly.
7179 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7180 Return the number of errors encountered.
7181 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7182 * cppmain.c (main): Don't call cpp_destroy.
7184 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7186 * configure.in: Require at least perl 5.6.0 to regenerate
7188 * configure: Regenerate.
7190 2001-01-14 Richard Henderson <rth@redhat.com>
7192 * genrecog.c (DT_veclen_ge): New.
7193 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7194 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7195 (nodes_identical_1): Handle DT_veclen_ge.
7196 (write_cond, debug_decision_2): Likewise.
7198 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7200 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7202 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7204 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7206 * cppmain.c (do_preprocessing): New function; most of the old
7208 (main): Call it to do most of the work.
7209 (cb): Move from global scope to set_callbacks ().
7210 (setup_callbacks): Get the callback pointer.
7211 (general_init, printer_init): Clean up code and comments.
7213 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7215 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7218 2001-01-14 Kazu Hirata <kazu@hxi.com>
7220 * config/h8300/h8300.c (get_shift_alg): Update comments.
7222 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7224 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7225 (alloc_page, ggc_alloc): Add casts to remove warnings.
7227 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7229 * combine.c (simplify_comparison): Don't change `code' when
7230 can't reverse comparison.
7232 2001-01-14 Richard Henderson <rth@redhat.com>
7234 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7235 update all call sites. Return true for all non-label constants.
7237 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7239 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7241 (ix86_expand_branch): Update.
7242 (ix86_expand_setcc): Update to handle multiple test conditions.
7243 (expand_int_movcc): Likewise.
7244 (expand_fp_movcc): Likewise.
7245 * i386-protos.h (ix86_expand_compare): New.
7246 * i386.md (andqi_?_slp, orqi_?_slp): New.
7247 (conditional trap expander): Update call to ix86_expand_compare.
7249 2001-01-14 Richard Henderson <rth@redhat.com>
7251 * config/vax/vax.md: Use nonimmediate_operand instead of
7252 general_operand in destinations.
7254 * config/vax/vax.md (indirect_jump): Use register_operand.
7256 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7257 * config/vax/vax.md (call_pop): Turn into an expander.
7258 (call_value_pop): Likewise.
7259 (call, call_value): New.
7261 2001-01-14 Andreas Jaeger <aj@suse.de>
7263 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7265 (ix86_fp_compare_mode): Add unused attribute.
7266 (ix86_expand_fp_movcc): Remove unused variable.
7267 (ix86_expand_builtin): Make fcode unsigned.
7269 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7270 (expand_expr): Add cast to avoid signed warning.
7271 (store_field): Likewise.
7272 (store_constructor_field): Likewise.
7273 (store_constructor): Likewise.
7274 (store_expr): Likewise.
7275 (clear_storage): Likewise.
7276 (emit_group_store): Likewise.
7277 (emit_group_load): Likewise.
7279 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7281 * c-common.c: Move format checking code to ...
7282 * c-format.c: ... here. New file. Reorder some functions and
7284 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7286 * c-common.h (decl_handle_format_attribute,
7287 decl_handle_format_arg_attribute): Declare.
7288 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7289 (c-common.o): Adjust dependencies.
7290 (c-format.o): New list of dependencies.
7292 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7294 * unroll.c (loop_iterations): If we cannot prove iteration variable
7295 is set once in each iteration, punt.
7297 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7299 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7300 (*strlenhi): Remove clobber (which was buggy) of output address.
7302 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7304 * Makefile.in (generated-manpages): Add gcc.1
7305 ($(srcdir)/gcc.1): New target.
7306 (maintainer-clean): Delete $(srcdir)/gcc.1.
7307 * gcc.texi: Add macros @gccoptlist and @gol.
7308 * invoke.texi: Include option summary in manpage. Mark up option
7309 summary with @gccoptlist and @gol. Use @r in one place where
7311 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7312 * gcc.1: Generate from invoke.texi.
7314 2001-01-13 Richard Henderson <rth@redhat.com>
7316 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7317 (struct page_entry): Add group member.
7318 (struct page_group): New.
7319 (struct globals): Add page_groups member.
7320 (alloc_anon): Only define for using mmap; remove valloc call.
7321 (page_group_index): New.
7322 (set_page_group_in_use): New.
7323 (clear_page_group_in_use): New.
7324 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7325 (free_page, release_pages): Likewise.
7326 * configure.in (with-gc): Default to ggc-page always.
7328 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7330 * reload1.c (replace_pseudos_in_call_usage): Use
7331 reg_equiv_constant and reg_equiv_address, and don't try
7332 regno_reg_rtx first.
7334 2001-01-13 Richard Henderson <rth@redhat.com>
7336 * ggc-page.c (alloc_page): Round up allocation size to one page.
7337 Set e->order on extra pages.
7339 2001-01-13 Richard Henderson <rth@redhat.com>
7341 * genrecog.c (nodes_identical): Expand commentary.
7342 (write_switch): Watch out for identical nodes.
7344 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7346 * cppfiles.c (_cpp_fake_include): New function.
7347 * cpphash.h (_cpp_fake_include): New.
7348 * cpplib.c (do_line): Call _cpp_fake_include when entering
7349 header files in preprocessed input.
7350 * cppmain.c (cb_pragma_implementation): Remove handling.
7351 (setup_callbacks): Don't register pragmas.
7353 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7355 * extend.texi: Udate for CPP.
7357 2001-01-13 Andreas Jaeger <aj@suse.de>
7359 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7361 * regmove.c: Add prototype for replace_in_call_usage.
7363 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7365 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7366 struct cpp_chunk, struct htab, struct toklist,
7367 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7368 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7369 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7370 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7371 (struct macro_args): Delete.
7372 * cpphash.h: See above.
7374 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7376 * cppmain.c (struct printer): Remove no_line_dirs.
7378 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7379 : Use options rather than CPP_OPTION.
7380 (setup_callbacks): Use cb rather than pfile->cb.
7381 (main): No need to check for a buffer. Use cpp_errors.
7382 (printer_init): Don't set no_line_dirs.
7383 (maybe_print_line): Use options not no_line_dirs.
7384 (cb_file_change): Don't call print_line if -P.
7386 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7388 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7390 * c-parse.in (finish_parse): Use cpp_errors.
7391 (__yylex): Use return value of cpp_pop_buffer.
7392 * cp/lex.c (finish_parse): Use cpp_errors.
7393 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7395 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7397 * README.AVR: URLs corrected.
7399 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7401 * c-decl.c (start_function): Don't warn if old prototype is builtin
7402 that's not in C's namespace.
7403 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7404 (_bb): Add prototype for ctime.
7405 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7407 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7409 * i386.c (ix86_fp_comparison_arithmetics_cost,
7410 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7411 ix86_fp_comparison_cost): New functions.
7412 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7413 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7414 two-branch sequences; make static.
7415 (ix86_use_fcomi_compare): Do decision according to the costs.
7416 (split_fp_branch): New.
7417 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7418 * i386-protos.h (ix86_expand_fp_compare): Remove
7419 (ix86_split_fp_branch): Declare.
7421 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7422 and ix86_comparison_operator.
7424 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7427 * i386.c (put_condition_code): Output properly the unordered/ordered
7428 compares in fp case.
7429 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7431 * tm.texi (REVERSE_CONDITION): Document.
7432 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7433 in -ffast-math mode.
7434 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7436 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7438 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7440 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7443 * config/sh/sh.c (mova_p): Fix test for mova_const.
7445 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7447 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7448 cpp_get_options rather than dereferencing pfile and using
7450 * scan-decls.c (scan_decls): Use return value of
7451 cpp_pop_buffer rather than CPP_BUFFER.
7453 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7455 * cppinit.c (cpp_handle_option): help_only is now part of the
7456 cpp_options structure.
7457 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7458 cpp_set_callbacks): New functions.
7459 * cpplib.h (cpp_callbacks): Break out as a named structure.
7460 (cpp_options): Move help_only here from cpp_reader.
7461 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7462 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7463 cpp_set_callbacks): New prototypes.
7464 * cppmain.c (main): Update for help_only.
7466 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7468 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7469 Also build and remove and install and uninstall c-tree.info and
7471 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7472 ($(srcdir)/cppinternals.info): New target.
7473 * c-tree.texi: Change file name used when makeinfo used without -o
7474 from ir.info to c-tree.info. Add info directory entry.
7475 * cppinternals.texi: Add info directory entry.
7476 * .cvsignore: Update.
7478 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7480 * c-typeck.c (store_init_value): Don't require constant initializer
7481 elements with -pedantic -std=c99.
7482 (digest_init): Change error about non-constant initializer elements
7484 (constructor_range_end): Remove.
7485 (constructor_incremental, designator_depth,
7486 designator_errorneous): New variables.
7487 (struct constructor_stack): Remove range_end, add incremental.
7488 (struct constructor_range_stack, constructor_range_stack): New.
7489 (struct initializer_stack): Add constructor_range_stack.
7490 (finish_init): Set it.
7491 (start_init): Likewise. require_constant_elements for non-static
7492 trees only if not flag_isoc99.
7493 (really_start_incremental_init): Remove constructor_range_end, add
7494 constructor_incremental.
7495 (pop_init_level): Likewise.
7496 (push_init_level): Likewise. If implicit and the subobject had some
7497 value set already, preinitialize the level with it.
7498 Warn about missing braces only if not pushing due to designators.
7499 (set_designator, push_range_stack): New functions.
7500 (set_init_label): Use them.
7501 (set_init_index): Likewise. Remove constructor_range_end.
7502 Error if designator index is outside of array bounds.
7503 (add_pending_init): Compare values of purpose index trees, not the
7504 trees themselves. Allow overwriting of already initialized element.
7505 Issue a warning if it had side-effects.
7506 (set_nonincremental_init, set_nonincremental_init_from_string): New
7508 (pending_init_member): Rename to...
7509 (find_init_member): ...this function. Call set_nonincremental_init
7510 if necessary. Compare values of purpose index trees, not the trees
7511 themselves. Return the actual value, not just non-zero if something
7513 (output_init_element): Remove checks for duplicates.
7514 If field has zero size, only check the initializer for correctness.
7515 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7516 if constructor_incremental is zero. Change error about initializers
7517 not computable at load time into pedwarn.
7518 (output_pending_init_elements): Compare bit positions, not
7519 FIELD_DECLs to take into account zero-sized fields.
7520 (process_init_element): Use constructor_range_stack to fill all
7521 ranges in the designator lists from current level up.
7522 * extend.texi: Update documentation for labeled elements.
7524 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7526 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7527 to function usage for arguments passed by reference. Optimize
7528 callee-copied arguments.
7529 * regmove.c (replace_in_call_usage): New function.
7530 (fixup_match_1): Call it.
7531 * cse.c (cse_insn): Canonicalize registers in function usage.
7532 * reload1.c (replace_pseudos_in_call_usage): New function.
7535 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7538 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7540 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7543 2001-01-12 DJ Delorie <dj@redhat.com>
7545 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7546 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7549 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7551 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7552 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7553 -std options alongside references to -ansi. Update some
7554 documentation for C99.
7555 * cpp.1: Regenerate.
7557 2001-01-12 Andreas Jaeger <aj@suse.de>
7559 * haifa-sched.c (restore_line_notes): Remove argument block B
7561 * sched-ebb.c (schedule_ebb): Change caller.
7562 * sched-rgn.c (schedule_region): Likewise.
7563 * sched-int.h (restore_line_notes): Adjust prototype.
7565 * loop.h: Remove wrong declaration of doloop_condition_get.
7567 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7569 * extend.texi: Move C++-extension-related node from the C section
7570 into the C++ section.
7572 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7574 * extend.texi: Refer to an array of pointers to functions instead
7575 of one of functions.
7577 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7578 Jan Hubicka <jh@suse.cz>
7580 * combine.c (reversed_comparison): Fix typo in last patch.
7582 (combine_reversed_comparison_code): Make static to follow
7583 prototype declaration.
7585 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7587 * install.texi: Remove misplaced duplicate entry.
7589 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7591 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7593 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7595 * final.c: (leaf_function_p): Fix typo.
7597 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7599 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7600 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7602 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7603 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7604 mmap_anon, and valloc is available.
7605 * ggc-page.c: Restructure ifdef logic to match new autoconf
7606 spec. Don't throw away the test page in init_ggc.
7608 * configure, config.in: Regenerate.
7610 2001-01-12 Michael Hayes <mhayes@redhat.com>
7612 * loop.h (total_biv_increment): Constify iv_class pointer.
7613 (struct induction): Replace `mem_mode' with `mem' rtx.
7614 * unroll.c (total_biv_increment): Constify iv_class pointer.
7615 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7616 (find_mem_givs, combine_givs_p): Likewise.
7617 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7619 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7621 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7623 (__gthread_getspecific): Ditto.
7625 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7627 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7628 put_condition_code): Convert fp comparison codes to integer
7630 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7633 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7634 * i386-protos.h (no_comparison_operator): Kill.
7636 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7638 * combine.c (REVERSIBLE_CC_MODE): Remove.
7639 (reversible_comparison_p): Remove.
7640 (combine_reversed_comparison_code): New.
7641 (reversed_comparison): New.
7642 (combine_simplify_rtx): Use
7643 combine_reversed_comparison_code/reversed_comparison instead
7644 of reversible_comparison_p.
7645 (simplify_if_then_else): Likewise.
7646 (simplify_set): Likewise.
7647 (simplify_logical): Likewise.
7648 (if_then_else_cond): Likewise.
7649 (known_cond): Likewise.
7650 (simplify_comparison): Likewise.
7652 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7654 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7655 sizeof (int) is larger than sizeof(__word__).
7657 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7659 * cppinit.c (do_includes): Fix typo.
7661 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7663 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7664 in S_REGS does not occur because not all sources are possible
7665 when a S_REGS is a destination (sometimes needs a clobber).
7666 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7667 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7668 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7669 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7670 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7671 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7672 (lshrdi_const1, lshrsi3_const16): Likewise.
7673 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7674 (*movhi_68hc12, *movqi_68hc12): Likewise.
7675 (movstrictqi): Make sure reloading in D_REGS as a destination
7678 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7680 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7682 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7684 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7685 -D, -U and -A, and don't initialize the builtins.
7686 (do_includes): Error if -include or -imacros with -fpreprocessed.
7687 * cppmain.c (cb_define, cb_undef): Unconditionally process
7689 * tradcpp.c (main): Fix typo.
7691 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7693 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7694 (read_name_map): Use IS_ABSOLUTE_PATH.
7695 * tradcpp.c (get_filename): Likewise.
7697 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7699 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7700 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7701 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7702 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7703 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7704 (cmphi_z_used): Don't use '@' for the output.
7705 (tstqi_z_used): Likewise.
7706 (cmpqi_z_used): Likewise.
7707 (one_cmplsi2): Likewise.
7709 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7711 * config/sh/sh.c (barrier_align): Recognize branch around far
7712 branch and redundant insn.
7714 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7716 * invoke.texi: Restore documentation of the drivers' switches -MD
7719 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7721 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7723 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7724 check-objc//%): Support parallel testing of multilibs.
7725 (TESTSUITEDIR): Set to testsuite by default, but override for
7727 (check-gcc, check-g++, check-g77, check-objc): Enter
7730 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7732 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7733 * sched-deps.c (deps_may_trap_p): Likewise.
7734 * basic-block.h: Remove a comment.
7735 * flow.c (PROP_POSTRELOAD): Remove.
7736 (update_life_info): Don't add it to prop_flags.
7737 (mark_set_1): Lose the code that was enabled by it.
7739 2001-01-11 Michael Hayes <mhayes@redhat.com>
7741 * flow.c (flow_call_edges_add): New.
7742 * basic_block.h (flow_call_edges_add): New.
7744 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7746 * reload1.c (move2add_note_store): Update reg_set_luid even if
7747 base reg remains the same.
7749 2001-01-10 Nick Clifton <nickc@redhat.com>
7751 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7752 machine_function structure to zero.
7753 Add prototypes for machine_status functions.
7755 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7757 * c-common.h (CTI_VOID_LIST): Remove.
7758 (void_list_node): Likewise.
7759 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7760 (void_list_node): New macro.
7761 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7762 * config/i386/i386.c (ix86_init_builtins): Likewise.
7763 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7765 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7767 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7768 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7770 * tradcpp.c: Include mkdeps.h.
7771 (deps, print_deps_phony_targets, deps_append, output_deps,
7772 init_dependency_output, output_deps): New.
7773 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7774 deps_output): Delete.
7775 (print_deps_missing_files): Rename deps_missing_files.
7776 (inhibit_output): Make global.
7777 (main): Delete inhibit_output, deps_stream, deps_target.
7778 Use mkdeps functionality in the same way as cpplib. Remove
7779 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7780 -M and -MM. Remove old handling of deps via deps_out, and
7781 old reading of environment variables.
7782 (get_filename): Update to use deps_add_dep.
7784 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7786 * output.h (make_function_rtl): Remove prototype.
7787 (make_decl_rtl): Likewise.
7788 * varasm.c (make_function_rtl): Remove.
7789 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7790 than from a third parameter.
7791 * tree.h (make_decl_rtl): Remove last parameter.
7792 * c-decl.c (builtin_function): Remove last argument in call to
7793 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7794 (start_function): Likewise.
7795 * except.c (call_get_eh_context): Likewise.
7796 * expr.c (emit_block_move): Likewise.
7797 (clear_storage): Likewise.
7798 * profile.c (output_func_start_profiler): Likewise.
7799 * toplev.c (rest_of_decl_compilation): Likewise.
7800 * objc/objc-act.c (create_builtin_decl): Likewise.
7801 (synth_module_prologue): Likewise.
7802 (generate_static_reference): Likewise.
7803 (build_selector_reference_decl): Likewise.
7804 (build_class_reference_decl): Likewise.
7805 (build_objc_string_decl): Likewise.
7806 (build_protocol_reference): Likewise.
7808 2001-01-10 Richard Henderson <rth@redhat.com>
7810 * hwint.h: Revert yesterday's change.
7812 2001-01-10 Nick Clifton <nickc@redhat.com>
7814 * function.h (save_machine_status): Delete.
7815 (restore_machine_status): Delete.
7816 Amend comment describing {init|mark|free}_machine_status.
7818 * function.c (save_machine_status): Delete.
7819 (restore_machine_status): Delete.
7820 Amend comment describing {init|mark|free}_machine_status.
7821 (push_function_context_to): Remove invocation of
7822 save_machine_status.
7823 (pop_function_context_from): Remove invocation of
7824 restore_machine_status.
7826 * emit-rtl.c (init_emit_once): Amend comment describing
7827 {init|mark|free}_machine_status.
7829 * tm.texi (Per-Function Data): New node. Describe the
7830 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7833 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7835 * cppinit.c (OPT_g): Remove.
7836 (cpp_handle_option): Update for removed -g3.
7837 (print_help): Update.
7838 * cpplib.h (struct cpp_options): Remove debug_output.
7839 * cppmain.c (setup_callbacks, cb_define): Update.
7840 * gcc.c (cpp_options): Translate -g3 to -dD.
7842 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7844 * config/i960/i960.md: Change modifier to + on the zero_extract
7845 pattern after the (rotate -2 reg) canonicalization pattern.
7847 2001-01-10 Richard Henderson <rth@redhat.com>
7849 * config/alpha/alpha.c (alpha_free_machine_status): New.
7850 (override_options): Install it.
7851 (alpha_mark_machine_status): Verify machine non-null.
7852 * config/i386/i386.c (ix86_free_machine_status): New.
7853 (override_options): Install it.
7854 (ix86_init_machine_status): Use xcalloc.
7855 (ix86_mark_machine_status): Verify machine non-null.
7856 * config/ia64/ia64.c (ia64_free_machine_status): New.
7857 (ia64_override_options): Install it.
7858 (ia64_mark_machine_status): Verify machine non-null.
7860 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7862 * function.c (instantiate_virtual_regs): Instantiate virtual
7863 registers found in CALL_INSN_FUNCTION_USAGE.
7865 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7867 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7868 equivalent to -ansi in disabling -Di386.
7870 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7872 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7874 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7876 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7878 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7880 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7882 * invoke.texi: Document that -fcond-mismatch isn't supported for
7885 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7887 * gcc.texi: Define macro gcctabopt.
7888 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7889 @command, @env and @option in some places where appropriate. Use
7890 @gcctabopt where appropriate. Put URLs and email addresses inside
7893 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7895 * gcc.c (cpp_options): Set MD file name from output
7896 filename, if specified.
7897 (suffix_subst): New static variable.
7898 (do_spec): Clear it.
7899 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7901 (give_switch): Handle suffix_subst.
7903 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7905 * invoke.texi: Fix another typo.
7907 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7909 * invoke.texi: Fix typo.
7911 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7913 * c-lang.c (lang_hooks): Update.
7914 (lang_decode_option): Remove.
7915 (lang_init_options): Rename c_init_options.
7916 * toplev.c (main): Use lang_hooks for lang_init_options
7917 and lang_decode_option.
7918 * toplev.h (lang_hooks): Add 2 new hooks.
7919 * tree.h: Remove lang_init_options and lang_decode_option.
7920 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7921 * cp/decl2.c: Similarly.
7922 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7923 (lang_hooks): Update.
7924 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7926 (lang_init_options): Rename ffe_init_options.
7927 (lang_hooks): Update.
7928 (lang_decode_option): Remove.
7929 * java/lang.c (lang_init_options): Rename java_init_options.
7930 (lang_decode_option): Rename java_decode_option.
7931 (lang_hooks): Update.
7932 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7933 (lang_decode_option): Rename objc_decode_option.
7934 (lang_hooks): Update.
7936 2001-01-09 Nick Clifton <nickc@redhat.com>
7938 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7939 (d30v_return_addr_rtx): Delete.
7940 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7941 cfun->machine structure.
7942 (struct machine_function): Move to d30v.h
7943 (d30v_save_machine_status): Delete.
7944 (d30v_restore_machine_status): Delete.
7945 (d30v_init_machine_status): New Function.
7946 (d30v_mark_machine_status): New Function.
7947 (d30v_free_machine_status): New Function.
7948 (d30v_init_expanders): Use new functions.
7949 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7950 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7951 d30v_return_addr_rtx.
7953 * config/d30v/d30v.h (struct_machine): Move here.
7954 Add eh_epilogue_sp_ofs field.
7956 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7957 field in cfun->machine structure.
7959 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7961 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7962 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7963 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7965 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7967 * objc/lang-options.h: Remove bogus reference to
7970 2001-01-09 Kazu Hirata <kazu@hxi.com>
7972 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7975 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7977 * reload.c (find_reloads_address): Check for eliminable registers
7978 when substituting a constant expression for a pseudo.
7980 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7982 * c-common.c (enum format_type): Add format_type_error.
7983 (decode_format_type): New function.
7984 (decl_attributes): Use it.
7985 (format_kind_info): Adjust comment.
7987 2001-01-09 David O'Brien <obrien@BSDi.com>
7989 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7990 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7992 * config/i386/gnu.h: Don't include required platform specific .h files,
7993 tm.h will do it instead.
7994 * config/i386/i386elf.h: Likewise.
7995 * config/i386/linux.h: Likewise.
7996 * config/i386/moss.h: Likewise.
7997 * config/mips/gnu.h: Likewise.
7999 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8001 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8002 (rs6000-ibm-aix3.[01]*): Likewise.
8003 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8004 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8005 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8006 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8007 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8008 (powerpc-*-eabiaix*): Likewise.
8009 (powerpc-*-eabisim*): Likewise.
8010 (powerpc-*-elf*): Likewise.
8011 (powerpc-*-eabi*): Likewise.
8012 (powerpc-*-rtems*): Likewise.
8013 (powerpc-*-linux*libc1): Likewise.
8014 (powerpc-*-linux*): Likewise.
8015 (powerpc-wrs-vxworks*): Likewise.
8016 (powerpcle-wrs-vxworks*): Likewise.
8017 (powerpcle-*-sysv*): Likewise.
8018 (powerpcle-*-elf*): Likewise.
8019 (powerpcle-*-eabisim*): Likewise.
8020 (powerpcle-*-eabi*): Likewise.
8021 (powerpcle-*-solaris2*): Likewise.
8022 * config/rs6000/aix31.h: Delete includes.
8023 * config/rs6000/aix3newas.h: Likewise.
8024 * config/rs6000/aix41.h: Likewise.
8025 * config/rs6000/aix43.h: Likewise.
8026 * config/rs6000/beos.h: Likewise.
8027 * config/rs6000/rtems.h: Likewise.
8028 * config/rs6000/sysv4.h: Likewise.
8030 2001-01-09 Kazu Hirata <kazu@hxi.com>
8032 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8033 Change an argument mode of machine_mode to shift_mode of
8034 shift_mode. Remove an extra error check.
8035 (emit_a_shift): Adopt to the new calling prototype of
8037 (function_prologue): Fix code for a monitor
8038 function. Support H8/S.
8039 (function_epilogue): Do not output pop for a monitor function.
8041 2001-01-09 Nick Clifton <nickc@redhat.com>
8043 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8044 (setup_incoming_varargs): Use sysv_varargs_p field of the
8045 cfun->machine structure.
8046 (struct machine_function): Move to rs6000.h
8047 (rs6000_save_machine_status): Delete.
8048 (rs6000_restore_machine_status): Delete.
8049 (rs6000_init_machine_status): New Function.
8050 (rs6000_free_machine_status): New Function.
8051 (rs6000_init_expanders): Use new functions.
8053 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8055 (struct machine_function): Move here.
8057 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8058 sysv_varargs_p field of the cfun->machine structure.
8060 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8062 (rs6000_restore_machine_status): Remove prototype.
8064 2001-01-09 Richard Henderson <rth@redhat.com>
8066 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8067 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8068 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8069 (sched_analyze_2, sched_analyze_insn): Likewise.
8070 (sched_analyze, init_deps): Likewise.
8071 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8072 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8073 (compute_block_backward_dependences): Update propagate_deps call.
8075 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8077 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8079 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8081 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8082 (cpp_handle_option): Handle them.
8083 (cpp_post_options): Ensure one of -M or -MM is specified with
8084 any other -M? option.
8085 (init_dependency_output): Suppress output with -MG.
8087 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8090 * invoke.texi: Update.
8092 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8094 * sh.md (reload_outsf): Generate recognizable patterns for
8097 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8099 * c-lang.c (lang_hooks): Update.
8100 (lang_init): Rename c_init.
8101 (lang_finish): Remove.
8102 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8104 * toplev.h (lang_hooks): Add init () and finish ().
8105 * tree.h (lang_init, lang_finish): Remove.
8106 * cp/tree.h (lang_init, lang_finish): Remove.
8107 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8108 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8110 (lang_init, lang_finish): Remove.
8111 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8112 (lang_hooks): Update.
8113 * java/lang.c (lang_init): Rename java_init.
8114 (lang_finish): Remove.
8115 (lang_hooks): Update.
8116 * objc/objc-act.c (lang_init): Rename objc_init.
8117 (lang_finish): Remove.
8118 (lang_hoooks): Update.
8120 20001-01-09 Graham Stott <grahams@redhat.com>
8122 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8123 after `ptr` is initialised.
8125 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8127 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8128 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8129 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8130 stack adjusts, instead of r3.
8132 2001-01-09 Michael Hayes <mhayes@redhat.com>
8134 * flow.c (flow_loop_scan): Break out of ...
8135 (flow_loops_find) ... here.
8136 * basic-block.h (flow_loop_scan): New.
8137 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8138 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8140 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8142 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8144 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8145 realloc()ing macro_buffer.
8147 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8148 if it's wider than long and the target's long is wider than the
8151 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8153 Remove support for using UWIN as a host machine.
8154 * configure.in: Issue an error message.
8155 * configure: Regenerated.
8156 * config.gcc: Remove xm_* UWIN configury.
8157 * config/i386/xm-uwin.h: Remove.
8159 2001-01-08 Nick Clifton <nickc@redhat.com>
8161 * config/v850/v850.c (ra_rtx): Delete.
8162 (v850_save_machine_status): Delete.
8163 (v850_restore_machine_status): Delete.
8164 (v850_init_machine_status): New function.
8165 (v850_mark_machine_status): New function.
8166 (v850_free_machine_status): New function.
8167 (v850_return_addr): Use ra_rtx field in machine structure.
8168 (v850_init_expanders): Use new functions.
8170 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8171 * config/v850/v850.c: Change arguments to v850_output+* functions
8172 to take a const char *, to avoid compile time warning.
8173 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8174 (USER_LABEL_PREFIX): Redefine.
8176 2000-01-08 Jim Wilson <wilson@redhat.com>
8178 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8179 1 to unsigned HOST_WIDE_INT before left shift.
8181 2001-01-08 Nick Clifton <nickc@redhat.com>
8183 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8184 the machine structure has been allocated.
8185 (arm_free_machine_status): New function: Free the machine
8186 specific function structure.
8188 2001-01-08 Richard Henderson <rth@redhat.com>
8190 * jump.c (simplejump_p): Revert last change.
8192 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8194 * cppinit.c (init): Rename init_library.
8195 (cpp_create_reader): Update.
8196 * gcc.c (cpp_options): If -o given, use it as the target of
8199 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8201 * arm.c (arm_arch5e): New variable.
8202 (all_cores): XScale is a 5TE device.
8203 (arm_override_options): Set arm_arch5e.
8204 (arm_init_builtins): __builtin_prefetch is in arch5e.
8205 * arm.h (arm_arch5e): Declare it.
8207 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8209 * arm.md (define_constants): Add defines for UNSPEC and
8210 UNSPEC_VOLATILE insns. Update all users.
8211 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8212 * arm.c (multi_register_push, note_invalid_constants)
8213 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8214 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8215 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8217 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8219 * jump.c (jump_optimize_1): Use reversed_comparison_code
8220 instead of can_reverse_comparison_p.
8221 (jump_back_p): Likewise.
8222 (invert_exp_1): Likewise.
8223 (thread_jumps): Likewise.
8224 * simplify-rtx.c (simplify_unary_operation): Likewise.
8225 (simplify_ternary_operation): Likewise.
8226 * cse.c (find_comparison_args): Convert to use
8227 can_reverse_comparison_p.
8228 (record_jump_equiv): Likewise.
8230 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8232 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8233 (EPILOGUE_USES): Define.
8234 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8235 automatically stack the LR if it isn't live.
8237 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8239 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8242 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8244 * ggc-page.c (max_alignment): New structure.
8245 (MAX_ALIGNMENT): New macro.
8246 (init_ggc): Use it to round up the sizes in the
8247 extra_order_size_table.
8249 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8251 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8254 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8256 * builtins.def (BUILT_IN_FPRINTF): New entry.
8258 * c-common.c (c_expand_builtin_fprintf): New function.
8259 (init_function_format_info): Handle __builtin_fprintf.
8260 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8261 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8263 * c-decl.c (duplicate_decls): Adjust comment.
8265 * extend.texi (fprintf): Document new builtin.
8267 2001-01-07 Richard Henderson <rth@redhat.com>
8269 * jump.c (simplejump_p): Recognize any single_set jump
8272 2001-01-07 Richard Henderson <rth@redhat.com>
8274 * configure.in (slibdir): Accept an --with-slibdir option.
8275 Use "test" not "[" in configure. Default to $(libdir).
8277 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8279 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8280 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8281 (SHLIB_LINK): Create links for the soname.
8282 * config/mips/t-iris6: Likewise.
8283 * config/sparc/t-slibgcc: Likewise.
8284 * config/sparc/t-slibgcc-sld: Likewise.
8286 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8288 * config/i386/i386.c (constant_call_address_operand): Accept
8289 (const (plus (symbol_ref) (const_int))).
8290 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8291 constant_call_address_operand.
8293 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8295 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8296 and LONG_LONG_TYPE_SIZE > 32.
8298 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8300 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8301 the previous change.
8303 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8305 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8307 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8308 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8309 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8312 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8314 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8316 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8318 * c-lang.c (c_post_options): Call cpp_post_options.
8319 * objc/objc-act.c (objc_post_options): Similarly.
8320 * cppmain.c (main): Similarly.
8321 * fix-header.c (read_scan_file): Similarly.
8322 * cppinit.c (cpp_start_read): Move option consistency checks
8323 to cpp_post_options. Don't call init_dependency_output.
8324 If needed, add default target and main file dependency.
8325 (OPT_MD, OPT_MMD): Remove.
8327 (cpp_handle_option): Update for OPT_* changes.
8328 (cpp_post_options): New.
8329 (init_dependency_output): Command line -MF overrides environment
8330 variables. Don't set default target etc. Suppress output
8331 if dependencies are going to stdout.
8332 (print_help): Update.
8333 * cpplib.h (cpp_post_options): New.
8334 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8336 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8338 * jump.c (comparison_dominates_p): Support unordered compares.
8340 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8342 * simplify-rtx.c (simplify_relational_operation): Always simplify
8343 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8346 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8348 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8349 (nonzero_bits): Likewise.
8350 (simplify_comparison): Likewise.
8351 (num_sign_bit_copies): Likewise; return more sane value depending
8352 on STORE_FLAG_VALUE.
8353 (known_cond): Do not assume EQ to be always true for equivalent
8356 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8358 * cse.c (fold_rtx): Handle unordered comparisons.
8360 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8362 * rtlanal.c (set_of_1): New static function.
8363 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8364 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8365 reg_set_last_last_regno): Remove.
8366 (set_of): New global function.
8367 (set_of_data): New structure.
8368 (reg_set_p, reg_set_last): Revamp for set_of.
8369 * rtl.h (set_of): New.
8371 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8373 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8374 * extend.texi: Document _Exit builtin.
8376 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8378 * (initialize, initialize_builtins,
8379 initialize_dependency_output, initialize_standard_includes):
8380 Rename s/initialize/init. Update.
8381 (init_dependency_output): Move to after
8382 cpp_handle_options, the correct location temporally at least.
8383 (opt_comp): Move next to init (), its caller. Fix prototype.
8384 (init): Make "initialized" local scope.
8385 (cpp_create_reader): Always call init ().
8386 (cpp_start_read): Update.
8387 (output_deps): New function, broken out of cpp_finish.
8388 (cpp_finish): Break out output_deps.
8390 2001-01-07 Richard Henderson <rth@redhat.com>
8392 * collect2.c (COFF specific stuff): Revert 12-06 patch
8393 to prototype system functions.
8395 2001-01-07 Michael Hayes <mhayes@redhat.com>
8397 * hard-reg-set.h: Add multiple include guard.
8398 * basic-block.h (struct loop): Add `sink' field.
8399 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8400 (emit_iv_add_mult): Delete.
8401 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8402 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8403 (unroll_loop): Remove end_insert_before argument.
8404 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8405 (maybe_eliminate_biv_1): Likewise.
8406 (emit_iv_add_mult): Delete.
8407 (gen_add_mult, loop_regs_update): New.
8408 (loop_insn_emit_after, loop_insn_emit_before): New.
8409 (loop_insn_sink, loop_insn_sink_or_swim): New.
8410 (emit_iv_add_mult): Delete.
8411 (scan_loop): Set loop->sink.
8412 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8413 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8414 (maybe_eliminate_biv_1): Likewise.
8415 (maybe_eliminate_biv_1): Add basic block argument.
8416 * unroll.c (unroll_loop): Remove end_insert_before argument.
8417 (find_splittable_regs): Likewise.
8418 (find_splittable_regs): Use loop_insn_sink and its ilk.
8419 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8421 2001-01-07 Michael Hayes <mhayes@redhat.com>
8423 * loop.h (loop_insn_hoist): New prototype.
8424 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8425 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8426 (check_dbra_loop, load_mems): Likewise.
8427 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8428 (find_splittable_givs): Likewise.
8430 2001-01-07 Michael Hayes <mhayes@redhat.com>
8432 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8434 2001-01-07 Richard Henderson <rth@redhat.com>
8436 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8438 2001-01-07 Richard Henderson <rth@redhat.com>
8440 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8441 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8442 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8443 variant that handles a shared libgcc.
8444 (process_command): Always validate -{static,shared}-libgcc.
8445 (do_spec_1): New 'M' case.
8446 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8448 2001-01-07 Richard Henderson <rth@redhat.com>
8450 * Makefile.in (slibdir): New variable.
8451 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8452 (installdirs): Create slibdir.
8453 (install-libgcc, install-multilib): Defer to libgcc.mk.
8454 * configure.in (slibdir): Substitute.
8455 * mklibgcc.in (install): New target.
8457 * config/t-linux (SHLIB_LINK): Create links for the soname.
8458 (SHLIB_INSTALL): New.
8459 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8460 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8461 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8462 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8463 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8465 2001-01-07 Richard Henderson <rth@redhat.com>
8467 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8468 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8469 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8471 2001-01-07 Michael Hayes <mhayes@redhat.com>
8473 * loop.c (count_loop_regs_set): Delete.
8474 (load_mems_and_recount_loop_regs_set): Delete.
8475 (loop_regs_scan): Merge common code from count_loop_regs_set,
8476 scan_loop, and load_mems_and_recount_loop_regs_set.
8477 (scan_loop): Call load_mems directly and loop_regs_scan
8478 again if new registers created.
8480 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8482 * toplev.c (main): Call the front-end specific post_options
8483 hook if one is given.
8484 * toplev.h (struct_lang_hooks, lang_hooks): New.
8485 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8486 for the C front end.
8487 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8488 lang_hooks for the C++ front end.
8489 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8490 lang_hooks for the ObjC front end.
8491 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8492 * java/lang.c (lang_hooks): Hooks for the Java front end.
8494 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8496 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8497 for verbose DWARF[2] debugging.
8498 (cb_define, cb_undef): The new callbacks.
8499 * toplev.h (debug_define, debug_undef): Make const correct.
8500 * toplev.c (debug_define, debug_undef): Similarly. Do not
8501 perform the verbosity tests here anymore.
8503 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8505 * reload.c (subst_reloads): Take INSN argument. When
8506 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8507 * reload.h (subst_reloads): Adjust prototype.
8508 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8509 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8510 present in JUMP_INSNs and copy them to JUMP_LABEL.
8511 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8512 JUMP_INSNs and insns with REG_LABELs that are followed by
8513 JUMP_INSNs with the same REG_LABEL.
8514 * sched-rgn.c (is_cfg_nonregular): Likewise.
8515 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8517 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8519 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8521 2001-01-06 Richard Henderson <rth@redhat.com>
8523 * loop.c (scan_loop): Use xcalloc for the regs array.
8524 (load_mems_and_recount_loop_regs_set): Zero the new memory
8525 received from xrealloc.
8527 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8529 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8531 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8533 * integrate.c (copy_rtx_and_substitute): When copying
8534 an ignored return value, strip REG_FUNCTION_VALUE_P.
8536 2001-01-06 Michael Hayes <mhayes@redhat.com>
8538 * loop.c (debug_biv, debug_giv): New.
8539 (loop_biv_dump): Break out from ...
8540 (record_biv): ... here.
8541 (loop_giv_dump): Break out from ...
8542 (record_giv): ... here.
8543 (loop_bivs_check): Use print_simple_rtl.
8544 * unroll.c (loop_iterations): Use print_simple_rtl.
8546 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8548 * pa.md (return, return_internal): Modify patterns to prevent regrename
8549 mucking with the return pointer.
8551 2001-01-05 Richard Henderson <rth@redhat.com>
8553 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8555 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8557 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8558 version supplied by Matteo Frigo.
8560 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8562 * cpp.texi: Update for -MQ.
8563 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8564 (cpp_cleanup): Always free pfile->deps.
8565 (initialize_dependency_output): Don't create pfile->deps.
8566 (cpp_handle_option): Similarly.
8568 * gcc.c (cpp_options): Handle -MQ.
8569 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8570 * mkdeps.c (base_name): Remove.
8571 (deps_init): Don't allocate vector space until it's needed.
8572 (deps_free): Only free vectors if allocated.
8573 (deps_add_target, deps_add_dep): Update for initial allocation.
8574 (deps_add_default_target): Don't strip to the base_name.
8576 2001-01-05 DJ Delorie <dj@redhat.com>
8578 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8579 (INIT_EXPANDERS): Define.
8581 * config/v850/v850.c (struct machine_function): Define.
8582 (v850_save_machine_status): New function.
8583 (v850_restore_machine_status): New function.
8584 (v850_return_addr): New function.
8585 (v850_init_expanders): New function.
8587 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8588 and v850_init_expanders.
8590 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8592 * cpplib.h (struct cpp_reader): Add help_only field.
8593 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8594 (cpp_handle_option): Set pfile->help_only if we see -h,
8595 --help, -target-help, or --version. Print version string but
8596 do not set help_only if we see -v or -version. Make text
8597 printed by -v match that printed by (-)-version.
8599 * cppmain.c (main): Exit after option parsing if
8600 pfile->help_only is true.
8602 * toplev.c (independent_decode_option): Call print_version,
8603 then exit, if we see --version (but not -version).
8604 (print_version): Split lengthy message into two lines.
8606 2001-01-05 Nick Clifton <nickc@redhat.com>
8608 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8609 temporary string for initialisation before calling ggc_alloc_string.
8611 2001-01-06 Michael Hayes <mhayes@redhat.com>
8613 * rtl.h (print_simple_rtl): New.
8614 * print-rtl.c (print_simple_rtl): New.
8616 (print_rtx): Disable printing of flags and modes, etc.,
8617 if `flag_simple` nonzero.
8619 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8621 * function.c (fixup_var_refs): Use push_to_full_sequence where
8624 2001-01-05 Michael Meissner <meissner@redhat.com>
8626 * flags.h (flag_reorder_blocks): Add declaration.
8627 (flag_rename_block): Ditto.
8629 2001-01-05 DJ Delorie <dj@redhat.com>
8631 * function.c (reorder_blocks): Make sure the flags are all reset
8632 before using them to mark blocks, else a second invocation will
8633 corrupt the block chain.
8634 (reorder_blocks_0): New, resets the flags.
8636 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8638 * cse.c (find_comparison_args): Stop if the argument is known to
8641 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8643 * config/sh/sh.md (movdf): When splitting load into pair of
8644 registers, don't clobber the register used in the address too
8647 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8649 * varasm.c (mark_constant_pool): Improve initial comments.
8650 (mark_constants): Move marking of constants to mark_constant.
8651 (mark_constant): New function to recursively mark all constants
8652 referred to by a constant.
8654 2001-01-05 Catherine Moore <clm@redhat.com>
8656 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8658 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8660 * cp/lang-options.h: Bring comment in line with reality.
8661 * f/lang-options.h: Likewise.
8662 * java/lang-options.h: Likewise.
8663 * objc/lang-options.h: Likewise.
8664 * ch/lang-options.h: Likewise.
8665 * f/g77.texi: And update the manual.
8667 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8668 Denis Chertykov <denisc@overta.ru>
8670 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8671 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8672 * config/avr/avr.md (all peepholes that request a scratch register):
8673 Call it, FAIL the peephole if not safe (in interrupt functions).
8675 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8677 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8679 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8681 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8683 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8684 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8685 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8686 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8687 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8689 * extend.texi: Document these builtins.
8691 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8693 * c-common.c (lang_get_alias_set): Say we know nothing of
8694 VECTOR_TYPE aliasing.
8696 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8698 2001-01-05 Bruce Korb <bkorb@gnu.org>
8700 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8701 their x* equivalent versions for atexit-less systems
8702 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8703 systems (or any other system any more).
8705 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8707 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8708 output operands. Use arm_hard_register_operand for operand 4.
8709 (stmsi_postinc): Similarly.
8710 (ldmsi): Use arm_hard_register_operand for opernand 2.
8712 * arm.c (arm_hard_register_operand): New function.
8713 * arm-protos.h (arm_hard_register_operand): Prototype it.
8715 * arm.h (HARD_REGNO_RENAME_OK): Define.
8717 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8719 * simplify-rtx.c (cfc_args): add "unordered" field.
8720 (check_fold_consts): Set unordered field.
8721 (simplify_relational_operation): Simplify the unordered
8724 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8727 * emit-rtl.c (try_split): Fix code to mark labels.
8728 * jump.c (mark_jump_label): Make global.
8729 * rtl.h (mark_jump_label): Declare.
8731 * predict.c (estimate_probability): Handle unordred comparisons.
8733 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8735 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8736 * cppinit.c (initialize_dependency_output): Update.
8737 (cpp_finish): Output dummy targets for -MP.
8739 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8740 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8741 * gcc.c (cpp_options): Update to handle -MP.
8742 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8743 to quote only the default target.
8744 (deps_phony_targets): Insert a preceding newline. Rename from
8745 deps_dummy_targets for consistency.
8748 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8750 * calls.c (emit_library_call_value_1): Support
8751 INIT_CUMULATIVE_LIBCALL_ARGS.
8752 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8754 2001-01-04 Richard Henderson <rth@redhat.com>
8756 * c-decl.c (finish_struct): Detect flexible array members
8757 used in an inappropriate context.
8758 * c-typeck.c (really_start_incremental_init): Special case
8759 constructor_max_index for zero length arrays.
8760 (pop_init_level): Allow initialization of flexible array
8761 members. Deprecate initialization of zero length arrays.
8762 Don't issue missing initializer warning for flexible array
8763 members or zero length arrays.
8764 (process_init_element): Don't dereference null DECL_SIZE.
8765 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8766 Don't abort for empty constructors. Use size_binop
8767 (output_constructor): Add commentary regarding zero length
8768 array futures. Abort if we try to initialize an array of
8769 unspecified length with a non-empty constructor in the middle
8772 * extend.texi (Zero Length): Update and clarify documentation
8773 on static initialization.
8775 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8777 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8778 with more than 32767 words of local storage.
8780 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8782 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8783 for 'abs', 'labs', and 'fabs'.
8784 (c4x_expand_builtin): Likewise.
8785 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8787 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8789 * config/sh/sh.md (prget, prset): New insn types.
8790 (return delay slot): Dont' allow prset.
8791 (call, sfunc delay slot): Don't allow prget.
8792 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8793 for prset and prget.
8795 2001-01-05 Michael Hayes <mhayes@redhat.com>
8797 * loop.h (struct loop_reg): New.
8798 (struct loop_regs): Change to use array of `struct loop_reg'.
8799 * loop.c: Replace assortment of varrays with single regs array.
8800 (count_one_set): Delete may_not_move array argument
8801 and use regs array instead. All caller's changed.
8802 (count_loop_regs_set): Delete may_not_move and single_usage
8803 arguments and use regs array instead. All caller's changed.
8804 (find_single_use_in_loop): Replace usage array argument with pointer
8805 to regs structure. All caller's changed.
8806 (loop_optimize): Delete `moved_once' array.
8808 2001-01-05 Michael Hayes <mhayes@redhat.com>
8810 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8811 Use it instead of loop_info->has_call for scanning loop mems.
8812 (check_dbra_loop): Replace loop_info->has_call test with
8813 loop_info->has_nonconst_call.
8815 2000-01-04 Matthew Hiller <hiller@redhat.com>
8817 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8820 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8822 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8823 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8825 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8827 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8828 (flag_short_double, flag_short_wchar): Define.
8829 (c_common_nodes_and_builtins): Create many tree nodes shared
8830 between C and C++ here instead of in cp/decl.c and ...
8831 * c-decl.c (init_decl_processing): ... here.
8832 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8833 (flag_short_double, flag_short_wchar): Don't define.
8834 (record_builtin_type): New function.
8835 (build_void_list_node): New function.
8836 * c-common.h (flag_short_double, flag_short_wchar,
8837 record_builtin_type, build_void_list_node): Declare.
8839 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8841 * integrate.c (expand_inline_function): Don't put a virtual
8842 register into the reg map.
8844 * function.c (fixup_var_refs_1): If force_operand didn't put
8845 the address into the target, move it there.
8847 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8849 Special-case tree_decl/tree_list allocations.
8850 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8851 (OBJECT_SIZE): New macro.
8852 (NUM_EXTRA_ORDER): Likewise.
8853 (extra_order_size_table): New variable.
8854 (NUM_ORDERS): New macro.
8855 (objects_per_page_table): New variable.
8856 (object_size_table): New variable.
8857 (G.pages): Use NUM_ORDERS to bound the array.
8858 (G.page_tails): Likewise.
8859 (DIV_ROUND_UP): Remove.
8860 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8861 (alloc_page): Use OBJECT_SIZE.
8862 (size_lookup): Don't make it const.
8863 (ggc_alloc): Use OBJECT_SIZE.
8864 (ggc_set_mark): Likewise.
8865 (ggc_get_size): Likewise.
8866 (init_ggc): Set up the object_size_table, objects_per_page_table,
8867 and adjust size_lookup.
8868 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8869 (ggc_pop_context): Use NUM_ORDERS.
8870 (clear_marks): Likewise.
8871 (sweep_pages): Likewise.
8872 (poison_pages): Likewise.
8873 (ggc_print_statistics): Use OBJECT_SIZE.
8875 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8877 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8878 Only call array_size_for_constructor if last field and array type
8879 with no upper bound.
8881 2001-01-04 Philip Blundell <philb@gnu.org>
8883 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8884 from bit 31 downwards, if this requires no more insns.
8885 (count_insns_for_constant): New helper function for above.
8887 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8889 * gencodes.c (output_predicate_decls): Remove empty initializer.
8891 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8893 * tree.c (copy_node): Remove documentation about obstacks.
8894 (buidl1): Check that nobody tries to build 2-argument nodes this
8897 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8899 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8902 * gencodes.c (output_predicate_decls): Fill empty initializer
8905 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8907 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8908 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8910 (do_include): Handle missing headers like cpp0.
8911 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8912 paths with first include pathname. Don't strcat to uninitialized
8915 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8917 * regrename.c (regrename_optimize): Don't rename from frame pointer
8918 if frame_pointer_needed.
8919 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8920 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8921 (ia64_reorg): Use it instead of scheduling if ! optimize.
8922 (errata_emit_nops): Properly call asm_noperands.
8923 (ia64_sched_reorder): Finish cycle if we see an asm.
8924 (ia64_variable_issue): Clear scheduling state after asms.
8926 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8928 * cpp.texi: Update for -MT.
8929 * cppinit.c (initialize_dependency_output): Add a default
8930 target if none has been given already.
8931 (no_tgt, OPT_MT): New.
8932 (cpp_handle_option): Handle -MT. Update -M etc.
8933 * cpplib.h (struct cpp_options): Remove deps_target.
8934 * gcc.c (cpp_options): Handle -MT.
8935 * mkdeps.c (struct deps): Move from mkdeps.h.
8936 (deps_calc_target): Rename deps_add_default_target. Add a
8937 default target if none has been specified already.
8938 * mkdeps.h (struct deps): Move to mkdeps.c.
8939 (deps_calc_target): Rename deps_add_default_target.
8941 2000-01-03 Richard Henderson <rth@redhat.com>
8943 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8945 * c-typeck.c (push_init_level): Move checks for flexible array
8946 members and zero length arrays ...
8947 (pop_init_level): ... here. Silently discard empty initializations.
8949 * varasm.c (output_constructor): Update for sizeof change to
8952 * extend.texi (Zero Length): Clarify semantics.
8954 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8956 * configure.in (tm.h): Include isns-codes.h last.
8957 * configure: Rebuilt.
8959 2001-01-03 Richard Henderson <rth@redhat.com>
8961 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8962 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8964 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8966 * tradcpp.c (main): Make sure finclude() is called with a valid
8967 indepth value while handling -include.
8969 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8971 * gencodes.c (output_predicate_decls): New function.
8973 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8974 even if it is not the first time machmode.h is #included.
8975 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8976 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8977 * gcc.texi (Copyright): Added 2001.
8979 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8981 * c-common.c (c_common_lang_init): New function. Warn if format
8982 warning options which only have effects when used with -Wformat
8983 are used without -Wformat.
8984 * c-common.h (c_common_lang_init): Declare.
8985 * c-lang.c (lang_init): Call c_common_lang_init.
8986 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8988 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8990 * configure.in: Check for the mktemp command.
8991 * configure: Regenerate.
8992 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8993 $TEMP. Create temporary files with mktemp, if available at
8994 configure time; otherwise use set -C. Remove temporary files
8997 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8999 * configure.in: Require at least texinfo 4.0. Check for whether
9000 Pod::Man is sufficiently recent to regenerate GCC manpages.
9001 * configure: Regenerate.
9002 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9004 (GENERATED_MANPAGES): Define.
9005 (generated-manpages): New target. Depend on cpp.1 as well as
9007 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9008 configure to generated-manpages or empty) rather than on the
9009 manpages directly. Remove execute permission from installed
9010 gcov.1 as well as cpp.1.
9011 * cpp.1, gcov.1: Regenerate.
9013 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9015 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9016 tree_low_cst. Allow using cmpstrsi in more cases.
9018 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9020 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9023 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9025 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9026 * Makefile.in (HOST_CFLAGS): Mention build-make.
9028 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9030 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9033 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9035 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9038 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9041 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9042 reg_base_value and reg_known_value arrays.
9043 (init_alias_analysis): Add more cases to detect known values.
9044 * sched-deps.c (deps_may_trap_p): New function.
9045 (sched_analyze_2): Use it.
9047 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9049 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9050 don't discard an ASHIFTRT if we're shifting in a wider mode.
9052 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9054 * toplev.c (rest_of_compilation): Don't print basic block information
9055 when CFG isn't up to date.
9057 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9059 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9060 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9061 (UNALIGNED_SHORT_ASM_OP): Define.
9062 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9064 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9066 * fold-const.c (fold_convert): Fix typo.
9068 2001-01-02 Richard Henderson <rth@redhat.com>
9070 * c-common.h (ASM_INPUT_P): New.
9071 * c-parse.in (asm): Set it when needed.
9072 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9073 existance of an operand.
9075 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9077 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9078 (dwarf2out_frame_debug_expr): Likewise.
9079 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9081 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9083 * i386.c (ix86_split_to_parts): Return number of part required;
9085 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9087 (ix86_split_long_move): Use number of part returned
9088 by ix86_split_to_parts
9089 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9091 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9092 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9093 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9094 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9095 (ALIGN_MODE_128): Add TFmode.
9096 (IS_STACK_MODE): Likewise.
9097 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9098 (HARD_REGNO_OK): Support TFmodes.
9099 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9100 * i386.md (scheduler definitions): Use memory operand to determine
9101 fst/fld instructions; use mode attribute to determine real mode of
9103 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9104 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9106 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9108 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9110 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9112 * expr.c (store_constructor_field): Update ALIGN before calling
9115 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9117 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9120 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9122 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9125 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9127 * c-decl.c (start_function): Don't warn on third parameter to main.
9129 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9131 * tsystem.h: Define HAVE_DECL_GETOPT.
9133 2001-01-02 Philip Blundell <pb@futuretv.com>
9135 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9138 2001-01-02 Richard Henderson <rth@redhat.com>
9140 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9142 2001-01-02 Andreas Jaeger <aj@suse.de>
9144 * c-decl.c (c_decode_option): Remove support of
9147 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9148 (W_options): Add -Wmissing-noreturn here.
9150 * flow.c: Define lang_missing_noreturn_ok_p.
9151 (check_function_return_warnings): Use it.
9153 * c-common.h: Declare lang_missing_noreturn_ok_p.
9155 * c-lang.c (c_missing_noreturn_ok_p): New function.
9156 (lang_init): Set lang_missing_noreturn_ok_p.
9158 * invoke.texi (Warning Options): Document this.
9160 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9162 * extend.texi (C++ Extensions): New node for C++ attributes;
9163 describe init_priority and com_interface.
9164 * invoke.texi: Remove -finit-priority as it now has zero effect.
9165 * install.texi: Fix xref syntax.
9166 * md.texi: Likewise.
9168 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9170 * config.gcc (sparc64-wrs-vxworks*): New case.
9171 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9173 * config/sparc/sparc.c (sparc_override_options): Do support different
9174 pointer and architecture size.
9175 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9176 (POINTERS_EXTEND_UNSIGNED): Define.
9177 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9178 (FUNCTION_MODE): Define to be Pmode.
9179 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9181 * function.c (expand_function_end): Properly handle DECL_RESULT
9182 and copy when ptr_mode != Pmode.
9183 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9185 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9187 * c-common.c (c_common_nodes_and_builtins): Set prototype
9188 parameters for __builtin_fputs, __builtin_fputc and
9189 __builtin_fwrite. Don't declare plain fputc as a builtin.
9191 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9193 * loop.c (add_label_notes): Increment the label usage count when
9194 a note is added to an insn which refers to a CODE_LABEL.
9195 * gcse.c (add_label_notes): Likewise.
9197 2001-01-01 Andreas Jaeger <aj@suse.de>
9199 * loop.c (scan_loop): Use xmalloc to allocate movables.
9201 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9203 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9204 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9205 * reload1.c (REGISTER_MOVE_COST): Likewise.
9206 * regclass.c (REGISTER_MOVE_COST): Likewise.
9207 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9208 dimension. Adjust all users.
9209 (init_reg_sets_1): Iterate on all modes.
9210 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9211 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9212 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9213 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9214 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9215 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9216 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9217 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9218 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9219 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9220 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9221 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9222 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9223 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9224 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9225 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9226 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9227 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9228 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9229 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9230 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9231 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9232 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9233 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9234 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9235 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9236 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9238 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9240 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9241 arg VARIES_P. Call it with extra arg.
9242 (true_dependence): Likewise.
9243 * rtl.h (rtx_addr_can_trap_p): Declare.
9244 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9246 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9247 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9248 pic offset table register if it's zero. All callers changed.
9249 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9251 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9253 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9254 STRING_POOL_ADDRESS_P.
9256 * config/sparc/sparc.c (input_operand): Properly test for short op.
9258 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9259 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9260 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9261 * config/sparc/elf.h: No longer include sol2.h.
9262 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9263 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9265 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9267 2001-01-01 Michael Hayes <mhayes@redhat.com>
9269 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9270 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9271 (record_initial): Likewise.
9272 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9273 (remap_split_bivs): Likewise.
9275 2001-01-01 Michael Hayes <mhayes@redhat.com>
9277 * loop.c (loop_ivs_free): New function.
9278 (strength_reduce): Break out from...
9280 2001-01-01 Michael Hayes <mhayes@redhat.com>
9282 * loop.h (struct iv): New.
9283 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9284 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9285 'reg_biv_class' fields with 'regs' and 'n_regs'.
9286 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9287 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9288 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9290 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9292 * resource.c (mark_referenced_resources): Abort() before
9293 attempting to mark a pseudo register.
9294 (mark_set_resources): Likewise.
9296 2001-01-01 Michael Hayes <mhayes@redhat.com>
9298 * loop.h (REG_IV_CLASS): New accessor macro.
9299 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9300 * unroll.c (REG_IV_CLASS): Likewise.
9302 See ChangeLog.4 for earlier changes.