1 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4 common to other movsf patterns. Move up so that in future
5 people who change the other patterns will change it too.
6 (movsf_lo_sum): Allow even for soft-float; add appropriate
8 (movsf_high): Likewise.
9 (movsf_high+1): Allow even for soft-float.
11 * function.c (expand_function_end): Always clobber the
12 return registers, even if there is no return label.
14 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
16 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
18 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
20 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
21 (pushqi2_rex64, pushhi2_rex64): Add.
23 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
25 * except.c (expand_eh_region_end_cleanup): Force pending stack
26 adjust before emitting label that branches around cleanup code.
28 2001-04-26 H.J. Lu (hjl@gnu.org)
30 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
32 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
34 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
35 (ASM_OUTPUT_SECTION_NAME): Likewise.
36 (ASM_WEAKEN_LABEL): Likewise.
37 (UNIQUE_SECTION): Likewise.
38 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
39 (ASM_OUTPUT_DESTRUCTOR): Likewise.
40 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
41 (ASM_OUTPUT_SECTION_NAME): Likewise.
42 (ASM_WEAKEN_LABEL): Likewise.
43 (UNIQUE_SECTION): Likewise.
44 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
45 (ASM_OUTPUT_DESTRUCTOR): Likewise.
46 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
47 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
48 (ASM_FILE_START): Likewise.
49 (ASM_OUTPUT_SOURCE_LINE): Likewise.
50 (ASM_DECLARE_OBJECT_NAME): Likewise.
51 (ASM_FILE_END): Likewise.
52 (ASM_DECLARE_FUNCTION_NAME): Likewise.
53 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
54 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
55 (ASM_OUTPUT_CASE_LABEL): Likewise.
56 (ASM_OUTPUT_SKIP): Likewise.
57 (ASM_OUTPUT_ASCII): Likewise.
58 (ASM_OUTPUT_IDENT): Likewise.
59 (READONLY_DATA_SECTION): Likewise.
60 (EXTRA_SECTIONS): Likewise.
61 (EXTRA_SECTION_FUNCTIONS): Likewise.
62 (SELECT_RTX_SECTION): Likewise.
63 (SELECT_SECTION): Likewise.
65 * config/mips/linux.h (INVOKE__main): Undefine.
66 (CTOR_LIST_BEGIN): Likewise.
67 (CTOR_LIST_END): Likewise.
68 (DTOR_LIST_BEGIN): Likewise.
69 (DTOR_LIST_END): Likewise.
70 (SET_ASM_OP): Defined it to ".dummy".
71 (ASM_OUTPUT_DEF): Defined.
72 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
74 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
76 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
77 assembler supports .p2align.
79 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
81 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
83 2001-04-26 Jakub Jelinek <jakub@redhat.com>
85 * integrate.c (expand_inline_function): Check for error_mark_node
88 2001-04-26 Jakub Jelinek <jakub@redhat.com>
90 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
93 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
95 * configure.in (configargs.h): Define thread_model.
97 * gcc.c (main): Print it with -v.
99 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
101 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
102 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
105 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
107 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
108 is_redundant_typedef): Use static inline instead of inline static.
110 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
112 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
113 this directory is always searched.
115 2001-04-25 Richard Henderson <rth@redhat.com>
117 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
118 of registers to restore along non eh_return path.
120 2001-04-25 Jakub Jelinek <jakub@redhat.com>
122 * c-format.c (check_format_info_recurse): Handle
123 PLUS_EXPR for format string.
125 2001-04-25 Jakub Jelinek <jakub@redhat.com>
127 * config/ia64/ia64.h (CC1_SPEC): Define.
128 * config/ia64/linux.h (CC1_SPEC): Define.
130 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
132 * emit-rtl.c (constant_subword): Also do sign extension in
133 BITS_PER_WORD == 16 case.
135 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
137 * loop.c (try_swap_copy_prop): Go back to checking insn.
139 2001-04-25 Jakub Jelinek <jakub@redhat.com>
141 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
142 if check_mode is non-zero.
144 2001-04-25 Jakub Jelinek <jakub@redhat.com>
146 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
147 out and comparison sequence has been detected, put result into
148 proper temporary pseudo.
150 2001-04-24 Zack Weinberg <zackw@stanford.edu>
152 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
153 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
154 * libgcc2.c: Remove __dummy and __builtin_saveregs.
155 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
156 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
157 for future reference.
159 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
161 * except.c (reachable_handlers): Step out one level from a RESX.
163 * except.c (struct eh_region): Rename 'last' to 'resume'.
164 (mark_eh_region, duplicate_eh_region_1): Adjust.
165 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
166 (build_post_landing_pads): Likewise.
167 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
168 (expand_eh_region_end_must_not_throw): Likewise.
169 (connect_post_landing_pads): Thread (only) regions with non-deleted
172 * except.c (expand_eh_region_end_cleanup): Save the EH return data
173 registers around the cleanup.
174 (get_exception_filter): New fn.
175 (finish_eh_generation): Use it.
177 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
179 * c-semantics.c (add_scope_stmt): Don't call
180 current_scope_stmt_stack multiple times.
182 2001-04-24 Zack Weinberg <zackw@stanford.edu>
183 Nathan Sidwell <nathan@codesourcery.com>
185 Lazy __FUNCTION__ generation.
186 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
187 RID_C99_FUNCTION_NAME): New _RIDs.
188 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
189 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
190 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
192 (function_id_node, pretty_function_id_node, func_id_node): Remove.
193 (c99_function_name_decl_node, function_name_decl_node,
194 pretty_function_name_decl_node, saved_function_name_decls):
196 (struct language_function): Remove x_function_name_declared_p.
197 (make_fname_decl): Remove a parameter.
198 (declare_function_names): Remove prototype.
199 (start_fname_decls, finish_fname_decls): Prototype.
200 (fname_as_string): Likewise.
201 (fname_string, fname_decl): Likewise.
202 * c-common.c (make_fname_decl): Adjust.
203 (struct fname_var_t): New struct.
204 (fname_vars): New static array.
205 (declare_function_name): Remove.
206 (start_fname_decls, finish_fname_decls): New functions.
207 (fname_as_string): New function from remnants of
208 declare_function_name.
209 (fname_string, fname_decl): New functions.
211 * c-decl.c (c_function_name_declared_p): Remove.
212 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
213 don't call declare_function_name. Call start_fname_decls.
214 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
215 clobber the line number. Call finish_decl.
216 (start_function): Call start_fname_decls.
217 (finish_function): Call finish_fname_decls.
218 Remove c_function_name_declared_p.
219 (push_c_function_context): Don't push c_function_name_declared_p.
220 (pop_c_function_context): Don't pop c_function_name_declared_p.
221 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
222 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
223 (program): Call finish_fname_decls for C.
224 (primary): Add VAR_FUNC_NAME.
225 (reswords): Add slots for __FUNCTION__ et al.
226 (rid_to_yy): Add mappings for __FUNCTION__ et al.
227 (yylexname): If it's a STRING_FUNC_NAME generate the function name
228 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
229 * c-semantics.c (prune_unused_decls): Remove.
230 (finish_stmt_tree): Don't call prune_unused_decls.
231 (genrtl_decl_stmt): Don't prune unused decls here.
233 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
235 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
236 constant pool, use the pool's SYMBOL_REF instead.
238 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
241 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
243 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
244 passing nested NOP_EXPRs to fold.
246 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
248 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
250 2001-04-22 Mark Mitchell <mark@codesourcery.com>
252 * loop.c (loop_delete_insns): Add prototype.
254 2001-04-23 Phil Edwards <pme@sources.redhat.com>
256 * configure.in: Remove ENABLE_STD_NAMESPACE.
257 * config.in: Regenerated.
258 * configure: Regenerated.
260 2001-04-22 Stan Shebs <shebs@apple.com>
262 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
264 * config/rs6000/xm-darwin.h: Remove file.
266 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
268 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
269 (write_c_file_stat): Likewise.
271 * dbxout.c (dbxout_init): Likewise.
273 * profile.c (output_func_start_profiler): Likewise.
275 2001-04-22 Philipp Thomas <pthomas@suse.de>
277 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
278 require it instead of the CVS version.
279 * cpperror.c (v_message): Put a blank before the macro
280 body to not confuse exgettext.
282 2001-04-21 Mark Mitchell <mark@codesourcery.com>
284 * flow.c (proagate_one_insn): Remove useless assignment.
285 * jump.c (delete_insn): Tidy.
286 * loop.c (try_copy_prop): When deleting an instruction with a
287 REG_RETVAL note, delete the entire libcall sequence.
288 (loop_delete_insns): New function.
289 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
290 we're not substituting into them yet.
292 2001-04-21 Kazu Hirata <kazu@hxi.com>
294 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
296 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
298 * config/i960/i960.c (signed_arith_operand): Likewise.
300 * calls.c (expand_call): Fix a comment typo.
302 2001-04-20 Zack Weinberg <zackw@stanford.edu>
304 * configure.in: Probe for times, clock, struct tms, and clock_t.
305 * configure, config.in: Regenerate.
306 * timevar.c: Replace ifdef forest in get_time with (relatively)
307 straightforward series of checks based on autoconf's probes.
309 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
311 * config/pa/som.h (NM_FLAGS): Define.
313 2001-04-20 Bernd Schmidt <bernds@redhat.com>
315 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
317 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
318 * ia64.c (nop_cycles_until): New function.
319 (prev_cycle, prev_first, last_issued): New static variables.
320 (ia64_sched_reorder): Additional arg for clock.
321 On final scheduling pass, emit extra NOPs as needed.
322 Set prev_first and prev_cycle.
323 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
324 (ia64_variable_issue): Set last_issued.
326 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
328 * config/i386/i386.c (ix86_expand_int_movcc,
329 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
331 2001-04-20 Geoff Keating <geoffk@redhat.com>
333 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
334 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
335 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
336 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
337 ctrdi_internal6): In the short-branch case, this insn is only 4
338 bytes long. Reported by Reza Yazdani <reza@apple.com>.
340 2001-04-20 Jakub Jelinek <jakub@redhat.com>
342 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
343 "=u" is used together with "st" resp. "st(1)" clobber.
345 2001-04-20 Jakub Jelinek <jakub@redhat.com>
347 * gcse.c (gcse_main): Fix comment typo.
348 (delete_null_pointer_check): Likewise.
349 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
350 * cse.c (cse_insn): Likewise.
351 * function.c (fixup_var_refs_insns_with_hash): The sequence is
354 2001-04-19 Zack Weinberg <zackw@stanford.edu>
356 * toplev.c: Excise all code for the undocumented -dm option.
357 (float_signal): Call signal just once, unconditionally.
359 2001-04-19 Geoff Keating <geoffk@redhat.com>
361 * fold-const.c (fold): Use first_rtl_op rather than
362 TREE_CODE_LENGTH when looping over parameters of a tree.
363 Correct strange grouping in test for evaluated SAVE_EXPR.
365 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
367 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
368 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
370 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
371 name at 32 total characters.
372 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
373 functions in named sections -- data items can still go into unique
374 sections, but they have normal names (ie $LIT$ and $DATA$).
376 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
379 2001-04-19 DJ Delorie <dj@redhat.com>
381 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
382 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
383 * config/i386/cygwin.h: Likewise.
384 * config/i386/mingw32.h: Likewise.
385 * config/vax/vms.h: Likewise.
386 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
388 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
389 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
390 * config/i386/xm-cygwin.h: Likewise.
391 * config/i386/xm-djgpp.h: Likewise.
392 * config/i386/xm-mingw32.h: Likewise.
393 * config/vax/xm-vms.h: Likewise.
395 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
396 instead of OBJECT_SUFFIX.
397 * collect2.c (find_a_file): Look for files matching the extension
398 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
399 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
400 TARGET_EXECUTABLE_SUFFIX.
401 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
402 (make_relative_prefix): Likewise.
403 (convert_filename): Use TARGET_ suffixes throughout. Remove
405 (process_command): Likewise.
406 (do_spec_1): Likewise.
407 * java/lang.c (init_parse): Likewise.
409 * gcc.texi : Document four new options matching the pattern
410 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
411 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
412 documentation for NO_AUTO_EXE_SUFFIX.
414 2001-04-19 Mark Mitchell <mark@codesourcery.com>
416 * toplev.h (struct lang_hooks): Allow decode_option to indicate
417 that language-independent processing should not be done.
418 * toplev.c (main): Adjust accordingly.
420 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
421 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
423 * mips.md (reload_outputdi): Require that operand0 be a
426 2001-04-19 Jakub Jelinek <jakub@redhat.com>
428 * invoke.texi (-Wshadow): Clarify.
430 2001-04-18 Mark Mitchell <mark@codesourcery.com>
432 * loop.c (load_mems): Examine all the instructions in the loop
433 before concluding that all jumps branch to the first instruction
436 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
438 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
440 2001-04-18 Jakub Jelinek <jakub@redhat.com>
442 * cpp.texi (-Wwhite-space): Remove.
443 (-Wall): -Wall does not imply -Wwhite-space.
445 2001-04-17 Zack Weinberg <zackw@stanford.edu>
447 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
448 use it instead of blindly generating a .stabs.
449 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
451 * xcoffout.c: Don't bother defining default for N_CATCH.
452 (UNKNOWN_STAB): Use internal_error.
453 (stab_to_sclass): Remove now-unnecessary aborts.
454 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
456 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
458 * jump.c (mark_all_labels): Canonicalize the tail recursion
459 label attached to CALL_PLACEHOLDER insns.
461 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * output.h (dump_flow_info, free_basic_block_vars,
464 which_alternative): Delete redundant prototypes.
466 * rtl.h (bss_section): Likewise.
468 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
470 * dbxout.c (N_OPT): Define if not available from <stab.h>
472 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
474 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
475 libraries and native K&R compilers.
477 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
479 * c-typeck.c (convert_arguments): Don't check for width changes
482 * invoke.texi (-Wtraditional): Update documentation.
484 2001-04-16 Zack Weinberg <zackw@stanford.edu>
486 * toplev.c (output_lang_identify): Delete.
487 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
488 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
489 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
490 after calling ASM_FILE_END.
492 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
493 Instead, unconditionally emit an N_OPT stab with string equal
494 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
496 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
498 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
499 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
500 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
501 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
502 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
503 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
504 config/i370/i370.h, config/i386/beos-elf.h,
505 config/i386/osf1elf.h, config/i386/osfrose.h,
506 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
507 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
508 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
509 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
510 config/mips/iris6.h, config/mips/osfrose.h,
511 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
512 config/sparc/sp64-elf.h:
513 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
514 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
516 * config/elfos.h, config/freebsd.h, config/linux.h,
517 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
518 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
519 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
520 of ASM_FILE_START which merely emit a .version directive. Delete
521 definitions of ASM_FILE_END which merely emit an .ident directive.
523 * config/avr/avr.h, config/vax/vax.h: Delete definition of
524 ASM_IDENTIFY_GCC and move part of its logic into
527 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
528 config/sparc/linux-aout.h: Don't emit .version directive in
531 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
532 (output_file_start): Correct comment.
534 * config/i386/osfrose.h: Don't emit trailing .ident directive.
535 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
537 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
538 * config/rs6000/aix.h: Correct comment.
540 * config/i386/i386afe.h: Delete.
541 * config.gcc: Remove references to i386afe.h.
543 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
544 other macros deleted by this patch were undocumented.
546 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
548 * pa.md (reload_outdi): Operand 0 must be a non hard register.
550 * pa.c (secondary_reload_class): SAR<->FP copies require a
553 * install.texi (mips-mips-bsd): Update list of functions
554 required to include memmove.
555 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
556 used functions to include memmove.
558 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
560 * i386.md (sqrtdf2): SFmode should be DFmode.
562 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
564 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
565 (find_moveable_store): Likewise.
567 2001-04-15 Jim Wilson <wilson@redhat.com>
569 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
571 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
573 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
574 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
576 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
578 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
581 2001-04-14 Alan Modra <amodra@one.net.au>
583 * pa.c (force_mode): New function.
584 (emit_move_sequence): Use it instead of generating new rtx_REGs.
586 2001-04-13 Jim Wilson <wilson@redhat.com>
588 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
589 (first_instruction): New static variable.
590 (rtx_needs_barrier): Return 1 for alloc.
591 (init_insn_group_barriers): Set first_instruction.
592 (rws_sum): Delete duplicate definition.
593 (group_barrier_needed_p): Return 0 when first_instruction true.
594 (safe_group_barrier_needed_p): Save and restore first_instruction
595 around group_barrier_needed_p call.
597 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
599 * expr.h (enum libfunc_index): Add LTI_memmove.
600 (memmove_libfunc): Define macro.
601 * optabs.c (init_optabs): Initialize memmove_libfunc.
602 * expr.c (expand_assignment): Use memmove_libfunc instead of
605 2001-04-13 Alan Modra <alan@linuxcare.com.au>
607 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
610 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
612 * Makefile.in (reg-stack.o): Depend on reload.h.
613 (insn-attrtab.o): Depend on flags.h.
615 * genattrtab (main): Include flags.h in insn-attrtab.c.
617 * reg-stack.c: Include reload.h.
619 * sparc.h (flag_pic): Delete redundant declaration.
621 * output.h (flag_pic): Likewise.
623 * tree.h (pedantic): Likewise.
625 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
629 * jump.c, regmove.c, toplev.c: Include reload.h.
631 * reload.h (reload_cse_regs): Declare.
633 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
634 reload_cse_regs, init_reload, mark_home_live, reload,
635 init_caller_save): Delete redundant prototypes.
637 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
639 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
641 * regclass.c, ssa.c: Include expr.h.
643 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
644 gen_move_insn): Delete redundant declarations.
646 2001-04-13 Alan Modra <amodra@one.net.au>
648 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
649 PIC_OFFSET_TABLE_SAVE_RTX.
650 (zdepi_cint_p): Describe zdepi insn.
651 Formatting and white space fixes throughout file.
653 * pa.c (uint32_operand): Don't use long constant >= 2^32.
654 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
655 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
656 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
657 (output_64bit_and): Use plain `int's for shift counts.
658 (output_64bit_ior): Likewise.
659 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
660 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
663 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
664 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
665 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
666 NEW_HP_ASSEMBLER into one. Kill warnings.
668 * pa-gas.h: Delete file.
669 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
670 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
671 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
672 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
674 * config/pa/mill32.S: New file.
675 * config/pa/mill64.S: New file.
676 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
677 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
678 * config/pa/t-linux64: New file.
679 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
680 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
681 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
683 * elfos.h (SELECT_SECTION): Undef before defining.
684 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
685 (LIB_SPEC): Remove -lmilli.
686 (DBX_REGISTER_NUMBER): Remove.
687 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
688 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
689 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
690 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
691 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
692 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
693 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
695 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
696 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
697 regs if we don't have a prototype.
698 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
699 * pa.h (TARGET_ELF32): Default to 0 if undefined.
700 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
701 EH_RETURN_HANDLER_RTX): Define.
702 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
703 (DWARF_FRAME_REGNUM): Define.
704 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
705 * pa32-linux.h: New file.
706 * pa64-linux.h: New file.
708 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
709 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
710 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
711 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
712 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
713 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
714 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
715 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
716 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
717 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
718 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
719 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
720 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
721 * pa64-hpux.h: New file.
722 (ASM_FILE_START): Correct typo.
723 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
724 * config.gcc: Modify for above.
726 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
728 * jump.c (jump_optimize_1): Don't delete dead stores here.
729 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
730 prior to running jump optimize before cse2.
732 2001-04-12 Richard Henderson <rth@redhat.com>
734 * Makefile.in (regmove.o): Depend on except.h.
735 * regmove.c: Include it.
737 2001-04-12 Stan Shebs <shebs@apple.com>
739 * objc/objc-act.c: Remove all code ifdefed with the never-used
740 macro OBJC_INT_SELECTORS.
741 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
742 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
744 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
746 * config/pa/quadlib.c: Add prototypes.
748 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
750 * bitmap.h (debug_bitmap): Delete redundant prototype.
752 * rtl.h (get_frame_size): Likewise.
754 2001-04-12 Jim Wilson <wilson@redhat.com>
756 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
757 to just emit an fnorm.
759 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
761 * c-common.h (truthvalue_conversion, type_for_mode,
762 type_for_size): Delete redundant declarations.
764 * c-lex.h (is_class_name): Likewise.
766 * c-tree.h (pedantic, convert, getdecls, gettags,
767 global_bindings_p, init_decl_processing, insert_block,
768 maybe_build_cleanup, poplevel, print_lang_decl,
769 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
770 set_block, incomplete_type_error, build_function_call,
771 lvalue_or_else, mark_addressable): Likewise.
773 * expr.h (expand_tree_builtin): Likewise.
775 2001-04-12 Mark Mitchell <mark@codesourcery.com>
777 * invoke.texi: Document --param max-gcse-memory.
779 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
781 * configure.in (errno): Check for declaration.
782 * configure, config.in: Regenerated.
784 * system.h (errno): Only declare if not already done.
786 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
788 * recog.c (general_operand, immediate_operand,
789 nonmemory_operand): Require CONST_INTs to be sign-extended
790 values for their modes.
792 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
794 * expmed.c (store_bit_field): Truncate CONST_INTs.
795 (expand_mult_highpart, expand_divmod): Likewise.
796 * expr.c (convert_modes, store_field): Likewise.
797 * integrate.c (expand_inline_function): Use promote_mode() to
798 determine whether to convert_modes() an argument as signed
800 * optabs.c (expand_binop): Get CONST_INT operands
801 sign-extended for their appropriate modes.
802 * stmt.c (emit_case_nodes): Convert node values to the
804 (expand_end_case): Convert minval and range to the appropriate
806 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
807 the iteration variable.
808 * varasm.c (immed_double_const): Don't require words to be
809 narrower than host wide ints to properly sign-extend
812 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
814 * sh.md (builtin_setjmp_receiver): New expander.
816 2001-04-12 David Edelsohn <dje@watson.ibm.com>
818 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
819 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
820 for generating CONST_INT and CONST_DOUBLE.
822 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
824 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
825 already sign-extended.
826 (rs6000_emit_prologue): Make register iterator signed.
827 (rs6000_emit_epilogue): Likewise.
828 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
830 (movsf split, movdf split): Sign-extend CONST_INTs.
831 (movdi splits): Likewise.
833 2001-04-12 Kelley Cook <kelley.cook@home.com>
835 * config-lang.in (lang_dirs): Add in zlib.
837 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
839 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
840 operands that make it to RTL.
842 2001-04-11 Stan Shebs <shebs@apple.com>
844 Add Darwin (Mac OS X kernel) native support.
845 * config.gcc (powerpc-*-darwin*): Add native bits.
846 * config/darwin.c: New file, generic Darwin support functions.
847 * config/darwin.h: New file, generic Darwin definitions.
848 * config/darwin-protos.h: New file, generic Darwin prototypes.
849 * rs6000/darwin.h: New file, Darwin for PowerPC.
850 * rs6000/t-darwin: New file, Darwin makefile fragment.
851 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
852 (TARGET_MACHO): Ditto.
853 (rs6000_abi): Add ABI_DARWIN.
854 (RS6000_REG_SAVE): Add ABI_DARWIN case.
855 (RS6000_SAVE_AREA): Ditto.
856 (FP_ARG_MAX_REG): Ditto.
857 (RETURN_ADDRESS_OFFSET): Ditto.
858 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
860 (rs6000_emit_move): Add ABI_DARWIN cases.
861 (print_operand): Ditto.
862 (first_reg_to_save): Ditto.
863 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
864 (debug_stack_info): Ditto.
865 (rs6000_emit_prologue): Ditto.
866 (rs6000_emit_epilogue): Ditto.
867 (output_profiler_hook): Ditto.
868 (output_function_profiler): Ditto.
869 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
870 (output_mi_thunk): Add TARGET_MACHO case.
871 (add_compiler_stub): Ditto.
872 (output_compiler_stub): Ditto.
873 (no_previous_def): Ditto.
874 (output_call): Ditto.
875 (machopic_output_stub): Ditto.
876 (rs6000_machopic_legitimize_pic_address): Ditto.
877 (toc_section): Ditto.
878 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
882 (load_macho_picbase): Ditto.
883 (call): Add TARGET_MACHO case to modify function.
885 (call_nonlocal_sysv): Add ABI_DARWIN case.
886 (call_value_nonlocal_sysv): Ditto.
887 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
889 (machopic_output_stub): Ditto.
890 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
892 2001-04-11 Mark Mitchell <mark@codesourcery.com>
894 * dwarf2out.c (modified_type_die): Don't create new types here.
895 * tree.h (get_qualified_type): New function.
896 (build_qualified_type): Adjust comment.
897 * tree.c (get_qualified_type): New function.
898 (build_qualified_type): Use it.
900 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 * cpp.texi (-Wtraditional): Update description.
904 * invoke.texi (-Wtraditional): Likewise.
906 2001-04-11 Jim Wilson <wilson@redhat.com>
908 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
909 requires more than 64 bits of alignment.
911 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
913 * cpplib.c (do_line): Sanity check iff enable checking.
915 2001-04-11 Richard Henderson <rth@redhat.com>
917 * Makefile.in (insn-recog.o): Depend on toplev.h.
918 (insn-emit.o, doloop.o): Likewise.
919 * genrecog.c, genemit.c: Include toplev.h in generated file.
920 * doloop.c: Include toplev.h.
922 2001-04-11 Mark Mitchell <mark@codesourcery.com>
924 * Makefile.in (gcse.o): Depend on params.h.
925 * gcse.c: Include params.h.
926 (gcse_main): Don't do GCSE if doing so will take inordinate
928 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
929 * params.h (MAX_GCSE_MEMORY): New macro.
931 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
933 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
935 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
937 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
939 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
941 * real.h (ereal_atof, real_value_truncate, target_isnan,
942 target_isinf, target_negative, assemble_real, debug_real): Delete
943 redundant prototypes.
945 * Makefile.in (ifcvt.o): Depend on toplev.h.
947 * c-semantics.c: Include expr.h.
949 * ifcvt.c: Include toplev.h.
951 * expr.h (rtx_equal_p): Delete prototype.
953 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
954 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
955 eliminate_constant_term, expand_complex_abs, find_single_use,
956 make_tree, init_expr_once, init_optabs, supports_one_only):
959 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
960 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
961 expand_assignment, store_expr, emit_line_note_after,
962 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
964 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
966 * sparc-protos.h: Delete redundant prototypes.
968 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
970 * reload.c (push_reload): Add condition missed in SUBREG byte
973 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
975 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
977 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
979 * i386.md (floatsisf_sse): Fix output template
980 * i386.c (ix86_expand_fp_movcc)
982 * reg-stack.c (emit_pop_insn): Handle complex modes.
983 (move_for_stack_reg): Emit proper move mode.
984 (subst_stack_regs_pat): Handle complex modes.
986 2001-04-11 Jakub Jelinek <jakub@redhat.com>
988 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
990 2001-04-10 Richard Henderson <rth@redhat.com>
992 * libgcc2.h (__terminate_func_ptr): Remove typedef.
993 (__pure_virtual, __terminate, __terminate_set_func,
994 __default_terminate, __throw_type_match, __empty,
995 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
996 __eh_rtime_match, __unwinding_cleanup, __rethrow,
997 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
998 Remove prototypes of deleted functions.
1000 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1002 * c-typeck.c (convert_arguments): -Wtraditional now activates
1003 -Wconversion warnings, except for changes in signed-ness.
1004 Detect complex<->int & int<->complex conversions as well.
1006 * invoke.texi (-Wtraditional): Document it.
1008 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1010 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1011 * flow.c (set_block_for_new_insns): Remove needless cast and
1012 properly check for unset block number.
1014 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1016 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1017 the subreg was a hard register. Pseudos are left as subregs.
1019 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1021 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1022 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1023 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1024 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1025 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1027 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1029 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1031 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1033 * output.h (set_block_num): Missed it earlier, remove deprecated
1036 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1038 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1039 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1040 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1041 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1042 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1043 (expr_killed_p): Change bb parameter from int to basic_block, pass
1044 basic_blocks instead of ints as parameters.
1045 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1046 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1047 from int to basic_block, pass basic_blocks instead of ints as parms.
1048 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1049 parameter from int to basic_block, pass basic_blocks instead of ints.
1050 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1051 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1052 pass basic_blocks instead of ints.
1053 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1054 basic_blocks instead of ints as parameters.
1055 (pre_delete): Pass basic_blocks instead of ints as parameters.
1056 (hoist_expr_reaches_here_p): Change bb parameter from int to
1057 basic_block, pass basic_blocks instead of ints.
1058 (hoist_code): Pass basic_blocks instead of ints as parameters.
1059 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1060 Change bb parameter from int to basic_block.
1061 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1062 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1063 pass basic_blocks instead of ints.
1064 (insert_store): Pass basic_blocks instead of ints as parameters.
1065 (replace_store_insn, delete_store): Change bb parameter from int to
1066 basic_block, pass basic_blocks instead of ints.
1067 (store_motion): Pass basic_blocks instead of ints as parameters.
1069 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1071 * basic-block.h (set_new_block_for_insns): New Prototype.
1072 (set_block_num): Delete prototype.
1073 * flow.c (set_block_num): Remove obsolete function.
1074 (set_block_for_new_insns): Set BB for single or multiple insns.
1075 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1076 (process_insn_end_bb): Use set_block_for_new_insns or
1077 set_block_for_insn instead of set_block_num.
1078 (pre_insert_copy_insn): Use set_block_for_new_insns.
1079 (update_ld_motion_stores): Use set_block_for_new_insns.
1080 (insert_insn_start_bb): Use set_block_for_new_insns.
1081 (replace_store_insn): Use set_block_for_new_insns.
1083 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1084 Jeff Law <law@redhat.com>
1086 * alias.c (get_addr): Externalize.
1087 (canon_true_dependence): New function. Behaves like true_dependance
1088 except it already assumes a MEM has been canonicalized.
1089 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1090 * gcse.c (struct ls_expr): Add load/store expressions structure.
1091 (modify_mem_list, canon_modify_mem_list): New variable.
1092 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1093 load motion and store motion if requested.
1094 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1095 (free_gcse_mem): Free the modify_mem_list array.
1096 (oprs_unchanged_p): Use load_killed_in_block_p.
1097 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1098 (mems_conflict_for_gcse_p): New function. Don't kill loads
1099 with stores to themselves if its in the load/store expression list.
1100 (load_killed_in_block_p): New function.
1101 (canon_list_insert): New Function.
1102 (record_last_mem_set_info): Keep a list of all instructions which
1103 can modify memory for each basic block.
1104 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1105 (oprs_not_set_p): Use load_killed_in_block_p.
1106 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1107 (expr_killed_p): Use load_killed_in_block_p.
1108 (compute_transp): Do not pessimize memory references.
1109 (pre_edge_insert): Update stores for a load motion expression.
1110 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1111 (ldst_entry): Find or create a ldst_expr structure.
1112 (free_ldst_entry): Free memory for an individual item.
1113 (free_ldst_mems): Free entire load/store expression list.
1114 (print_ldst_list): Print debug info.
1115 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1116 (enumerate_ldsts): Assign integer values to each entry in list.
1117 (first_ls_expr): First expression in the list.
1118 (next_ls_expr): Next expression in the list.
1119 (simple_mem): Check if expression qualifies for ld/st expression list.
1120 (invalidate_any_buried_refs): Remove from expression list if its
1121 used in some other way we dont understand.
1122 (compute_ld_motion_mems): Find all potential enhanced load motion
1124 (trim_ld_motion_mems): Remove any expressions which are invalid.
1125 (update_ld_motion_stores): Copy store values to registers for loads
1126 which have been moved.
1127 (regvec, st_antloc, num_store): New global statics.
1128 (reg_set_info): Marks registers as set.
1129 (store_ops_ok): Verfies registers expressions are valid in a block.
1130 (find_moveable_store): Look for moveable stores in a pattern.
1131 (compute_store_table): Find stores in a function worth moving, maybe.
1132 (load_kills_store): Check dependance of a load and store.
1133 (find_loads): Find any loads in a pattern.
1134 (store_killed_in_insn): Check if a store is killed in an insn.
1135 (store_killed_after): Check is store killed after an insn in a block.
1136 (store_killed_before): Check is store killed before an insn in a block.
1137 (build_store_vectors): Generate the antic and avail vectors.
1138 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1139 (insert_store): Add a store to an edge.
1140 (replace_store_insn): Replace a store with a SET insn.
1141 (delete_store): Delete a store insn.
1142 (free_store_memory): Free memory.
1143 (store_motion): Perform store motion.
1144 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1145 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1146 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1147 (f_options): Add gcse-lm and gcse-sm.
1149 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1151 * i386.c (expand_fp_movcc): Fix condition reversal code.
1153 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1154 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1155 (CLASS_MAX_NREGS): Use it.
1157 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1158 handle properly complex values.
1159 (CLASS_MAX_NREGS): Likewise; update comment.
1161 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1163 * ia64.c (ia64_flag_schedule_insns2): New variable.
1164 (ia64_override_options): Initialize it. Clear
1165 flag_schedule_insns_after_reload.
1166 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1168 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1170 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1171 Do not require source to match destination anymore;
1172 Add abort to the nontrivial cases that should be handled by split.
1173 (fix_trunc?fdi): Add SSE case for x86_64.
1174 (floatdi?f): Likewise.
1175 (floatdi?f_sse): New.
1176 (fix_trunc?fdi_sse): New.
1178 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1180 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1181 (DEBUG_ARANGES_END_LABEL): Ditto.
1182 (dwarfout_init): Generate length and version fields at the start
1183 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1184 after the length field.
1185 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1186 the .debug_aranges info.
1188 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1190 * i386.c (call, call_value): Make sure that resulting call_insn
1191 does have proper second operand.
1193 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1195 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1196 function. Remove include of sys/cygwin.h.
1198 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1200 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1201 (CPP_SPEC): Always search */include/w32api for header files.
1202 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1203 (LINK_SPEC): Add "cyg" to the library search prefixes.
1205 2001-04-08 Philip Blundell <philb@gnu.org>
1207 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1209 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1211 * cpperror.c (print_location): Don't special case <stdin>.
1212 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1213 WARNING, but we don't check if we're in system headers.
1214 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1215 * cpplib.c (do_warning): Warn in system headers.
1217 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1219 * mbchar.c: Include config.h first.
1221 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1223 * config.gcc: Set default for xmake_file at top, not bottom.
1224 Change places that set xmake_file to "none" to set to the
1225 empty string instead, or remove them entirely if there is no
1226 default xmake_file for this cpu_type. Remove references to
1229 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1230 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1231 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1232 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1233 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1234 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1235 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1236 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1237 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1238 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1241 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1242 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1243 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1244 config/mips/x-sysv, config/rs6000/x-aix31:
1245 Just set CLIB to -lld or -lmld, as appropriate.
1247 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1248 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1249 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1250 config/mips/x-iris, config/pa/x-pa:
1251 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1252 OTHER_FIXINCLUDES_DIRS.
1254 * config/i386/x-djgpp: Don't set LN or LN_S.
1255 * config/m88k/x-dolph: Don't define __m88k__.
1256 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1257 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1258 * config/i860/fx2800.h: No need to #undef SVR4.
1260 38 x-host fragments remain, 2 x-cpu.
1262 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1264 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1266 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1268 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1270 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1272 * configure.in: Add check for lstat.
1273 * configure, config.in: Regenerate.
1274 * cppinit.c (append_include_chain): Make empty path ".".
1275 * cpplib.c (do_line): Don't simplify #line paths.
1276 * cppfiles.c (remove_component_p): New function.
1277 (find_or_create_entry): Acknowledge stat () errors during
1278 path simplification.
1279 (handle_missing_header): Don't simplify paths.
1280 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1281 the empty path untouched. Don't leave a trailing '/'.
1283 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1285 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1286 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1288 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1290 * cppfiles.c (open_file): Fail directories silently, but
1291 with an errno of NOENT set.
1292 (read_include_file): Move the common exit code to the sole
1293 caller. Return an int indicating success or failure. Let
1294 open_file handle directories.
1295 (stack_include_file): If read_include_file fails,
1296 push a "null" buffer.
1298 2001-04-05 DJ Delorie <dj@redhat.com>
1300 * function.h (virtuals_instantiated): Declare.
1301 * function.c: (virtuals_instantiated): Make global.
1302 * calls.c (emit_library_call_value_1): Use
1303 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1304 Otherwise, use the stack pointer directly.
1306 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * i386.c (x86_initialize_trampoline): New global function.
1309 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1310 (INITIALIZE_TRAMPOLINE): Move offline.
1311 * i386-protos.h (x86_initialize_trampoline): Declare.
1313 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1315 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1316 (lea_0): Rename to lea_1.
1317 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1318 (lea_general_?): Allow SImodes on TARGET_64BIT
1319 (lea_general_?_zext): New patterns.
1320 (call_1, call_1_rex64): Fix.
1322 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1324 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1326 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1328 * i386.c (function_arg): Return constm1_rtx for last argument.
1329 (ix86_expand_prologue): Update gen_call calls.
1330 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1331 * i386.md (call_pop): Likewise.
1332 (call): Second operand is VOIDmode.
1333 (call_0): Likewise; Support 64bits.
1334 (call_exp): New expander.
1335 (call_1): Get to the sync.
1336 (call_1_exp): New pattern.
1337 (call_value): Support 64bit.
1338 (call_value_exp): New pattern.
1339 (untyped_call): Update gen_call call.
1340 (call_value_pop): Disable for 64bit.
1341 (call_value_0_rex64): New pattern.
1342 (call_value_1_rex64): Likewise.
1344 2001-04-05 Bo Thorsen <bo@suse.de>
1346 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1348 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1350 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1351 satisfies ANY_QI_REG_P.
1353 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1355 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1358 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1361 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1363 * config.gcc: Remove default for xm_file. Clean up local
1364 machine type handling. Remove settings of xm_file to
1365 something that doesn't exist. In the big switch, set xm_file,
1366 don't append to it (the value before the big switch is always
1367 null). Don't force build_xm_file or host_xm_file to have a value.
1368 * configure.in: Remove default for xm_file. Do not special
1369 case $cpu/xm-$cpu.h not existing.
1370 * configure: Regenerate.
1372 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1374 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1375 when folding integer division and modulo operations.
1377 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1379 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1380 instead of DWARF2_ADDR_SIZE for EH addresses.
1381 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1384 2001-04-04 Richard Henderson <rth@redhat.com>
1386 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1387 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1388 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1390 2001-04-04 Richard Henderson <rth@redhat.com>
1392 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1393 * configure: Rebuilt.
1395 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1397 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1398 push insns to delete to it instead of deleting them.
1399 (delete_null_pointer_checks): Delete insns from delete_list after
1400 all delete_null_pointer_checks_1 passes are done.
1402 2001-04-04 Richard Henderson <rth@redhat.com>
1404 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1405 * configure: Rebuilt.
1407 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1409 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1410 * config/romp/xm-romp.h: Delete.
1412 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1414 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1417 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1419 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1420 all labels present in rtx.
1421 (try_split) Call new function for all split insns.
1423 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1425 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1426 sure the change won't be validated.
1428 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1430 * rtl.h (set_noop_p): Declare.
1431 * flow.c (set_noop_p): Move from here ...
1432 * rtlanal.c (set_noop_p): ... to here and enhance.
1433 * cse.c (delete_trivially_dead_insns): Use it.
1434 * gcse.c (hash_scan_set): Likewise.
1435 * jump.c (delete_noop_moves): Likewise.
1436 * recog.c (split_all_insns): Likewise.
1438 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1440 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1441 stack pointer via a LO_SUM. Ditto for setting a temp register
1442 used to save to the stack. Set cfa_temp when setting fp, and
1443 allow matches to cfa_temp in addition to cfa_store when saving
1444 regs. Handle POST_INC and LO_SUM register stores. Document the
1445 changes and errors in rule 12 doco.
1447 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1448 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1449 (load_reg): Move closer to epilogue code.
1450 (DO_FRAME_NOTES): Define to control the following..
1451 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1452 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1454 (hppa_expand_epilogue): Likewise.
1456 2001-04-03 Richard Henderson <rth@redhat.com>
1458 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1459 * configure: Rebuild.
1461 2001-04-03 Richard Henderson <rth@redhat.com>
1463 * rtl.h (LCT_THROW): New.
1464 * calls.c (emit_library_call_value_1): Handle it.
1465 * except.c (connect_post_landing_pads): Use it.
1467 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1469 * gansidecl.h: Delete file.
1470 * configure.in: Change all refs to gansidecl.h to use
1471 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1473 * configure: Regenerate.
1475 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1476 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1477 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1478 Don't include gansidecl.h.
1479 * intl.c, main.c, version.c, fixinc/fixlib.h,
1480 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1483 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1485 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1488 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1490 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1491 config/i386/xm-next.h, config/i386/xm-sco.h,
1492 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1493 config/m88k/xm-m88k.h: Delete.
1495 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1496 * config/romp/xm-romp.h: Don't define bcopy.
1497 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1498 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1500 * config.gcc: Remove references to deleted files.
1502 14 xm-host.h remain, 1 xm-cpu.h.
1504 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1505 David S. Miller <davem@pierdol.cobaltmicro.com>
1506 Andrew MacLeod <amacleod@redhat.com>
1508 Use byte offsets in SUBREGs instead of words.
1510 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1511 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1512 to pass new argument.
1513 (add_stored_regs): Use subreg_regno_offset function.
1514 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1516 (precompute_arguments): Use gen_lowpart_SUBREG.
1517 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1518 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1519 (simplify_set): Rework to use SUBREG_BYTE.
1520 (expand_field_assignment): Use SUBREG_BYTE.
1521 (make_extraction): Use SUBREG_BYTE.
1522 (if_then_else_cond): Use SUBREG_BYTE.
1523 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1524 (gen_lowpart_for_combine): Compute full byte offset.
1525 * cse.c (mention_regs): Use SUBREG_BYTE.
1526 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1527 (canon_hash): Use SUBREG_BYTE.
1528 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1529 (gen_lowpart_if_possible): Formatting.
1530 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1532 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1533 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1534 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1535 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1536 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1537 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1538 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1539 certain invariants about SUBREGs the compiler creates.
1540 (gen_lowpart_SUBREG): New function.
1541 (subreg_hard_regno): New function to get the final register number.
1542 (gen_lowpart_common): Use SUBREG_BYTE.
1543 (gen_imagpart): Spacing nits.
1544 (subreg_realpart_p): Use SUBREG_BYTE.
1545 (gen_highpart): Use SUBREG_BYTE.
1546 (subreg_lowpart_p): Always compute endian corrected goal offset,
1547 even at the byte level, then compare against that.
1548 (constant_subword): New function, pulled out all constant cases
1549 from operand_subword and changed second argument name to offset.
1550 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1551 and call constant_subword to do the work. Return const0_rtx if
1552 looking for a word outside of OP.
1553 (operand_subword_force): Change second arg name to offset.
1554 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1555 (store_split_bit_field): Use SUBREG_BYTE.
1556 (extract_bit_field): Use SUBREG_BYTE.
1557 (extract_split_bit_field): Use SUBREG_BYTE.
1558 (expand_shift): Use SUBREG_BYTE.
1559 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1560 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1561 * flow.c (set_noop_p): Use SUBREG_BYTE.
1562 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1563 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1564 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1566 (optimize_bit_field): Use SUBREG_BYTE.
1567 (purge_addressof_1): Use SUBREG_BYTE.
1568 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1569 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1570 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1571 * gengenrtl.c (special_rtx): Add SUBREG.
1572 * global.c (mark_reg_store): Use SUBREG_BYTE.
1573 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1574 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1575 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1576 final byte offset is congruent to subreg's mode size.
1577 (subst_constants): Use SUBREG_BYTE.
1578 (mark_stores): Use subreg_regno_offset function.
1579 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1580 function and SUBREG_BYTE.
1581 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1582 (reg_is_born): Use subreg_hard_regno.
1583 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1584 endian correction code. Don't combine subregs unless resulting
1585 offset aligns with type. Fix subreg constant extraction for DImode.
1586 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1587 (general_operand): Remove dead mode_altering_drug code.
1588 (indirect_operand): Use SUBREG_BYTE.
1589 (constrain_operands): Use subreg_regno_offset function.
1590 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1591 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1592 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1593 * regs.h (REG_SIZE): Allow target to override.
1594 (REGMODE_NATURAL_SIZE): New macro which target can override.
1595 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1596 on the entire subreg rtx.
1597 (push_reload): Use SUBREG_BYTE in comments and code.
1598 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1599 for hard registers inside subregs.
1600 (operands_match_p): Use subreg_regno_offset.
1601 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1602 containing hard regs.
1603 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1604 corrections when fixing up MEM subregs.
1605 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1606 subreg_regno_offset where appropriate.
1607 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1608 byte endian corrections when fixing up MEM subregs.
1609 (subst_reloads): When combining two subregs, make sure final
1610 offset is congruent to subreg's mode size.
1611 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1612 (refers_to_regno_for_reload_p): Use subreg_regno.
1613 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1614 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1615 correction code for memory subreg fixups.
1616 (forget_old_reload_1): Use subreg_regno_offset.
1617 (choose_reload_regs): Use subreg_regno.
1618 (emit_input_reload_insns): Use SUBREG_BYTE.
1619 (reload_combine_note_store): Use subreg_regno_offset.
1620 (move2add_note_store): Use subreg_regno_offset.
1621 * resource.c (update_live_status, mark_referenced_resources): Use
1622 subreg_regno function.
1623 (mark_set_resources): Use subreg_regno function.
1624 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1625 (subreg_regno_offset, subreg_regno): Define prototypes.
1626 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1627 (gen_lowpart_SUBREG): Add prototype.
1628 * rtl.texi (subreg): Update to reflect new byte offset representation.
1629 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1630 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1631 (reg_overlap_mentioned_p): Use subreg_regno.
1632 (replace_regs); Make sure final offset of combined subreg is
1633 congruent to size of subreg's mode.
1634 (subreg_regno_offset): New function.
1635 (subreg_regno): New function.
1636 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1637 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1638 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1639 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1640 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1641 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1642 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1643 (print_operand): Use SUBREG_BYTE.
1644 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1645 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1646 (arm_reload_out_hi): Use SUBREG_BYTE.
1647 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1648 instead of SUBREG_WORD.
1649 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1650 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1651 SUBREG creation to use byte offset.
1652 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1653 inverted load insns): Fix explicit rtl subregs to use byte
1655 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1656 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1657 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1658 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1659 to use byte offsets.
1660 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1661 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1662 offsets, also make sure it is congruent to SUBREG's mode size.
1663 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1664 unnamed ldob insn): Generate SUBREGs with byte offset.
1665 (zero_extendqihi2): SUBREG's are byte offsets.
1666 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1667 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1668 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1669 zero-extendqisi2): Generate SUBREGs with byte offset.
1670 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1671 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1672 subregs in rtl to use byte offsets.
1673 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1674 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1675 (mips_move_2words): Use subreg_regno_offset.
1676 (mips_secondary_reload_class): Use subreg_regno_offset.
1677 * config/mips/mips.md (DImode plus, minus, move, and logical op
1678 splits): Fixup explicit subregs in rtl to use byte offsets.
1679 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1680 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1681 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1682 rtl to use byte offsets.
1683 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1684 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1685 subregs to use byte offsets.
1686 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1687 Fixup explicit subregs in rtl to use byte offsets.
1688 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1689 and remove byte endian correction code.
1690 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1691 (gen_ashift_hi): Use SUBREG_BYTE.
1692 (regs_used): Use subreg_regno_offset.
1693 (machine_dependent_reorg): Use subreg_regno_offset.
1694 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1695 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1696 (movdf_i4): Subregs are byte offsets now.
1697 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1698 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1699 (REGMODE_NATURAL_SIZE): Override.
1700 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1701 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1703 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1704 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1705 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1706 it is congruent to SUBREG's mode size.
1707 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1709 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1710 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1711 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1712 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1713 * config/v850/v850.c (print_operand, output_move_double): Use
1714 subreg_regno function.
1716 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1718 * configure.in (target_subdir): Use target_alias, not target.
1719 * configure: Rebuilt.
1721 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1723 * config/sh/crti.asm: Fix typos in comments.
1725 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1727 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1728 TARGET_FAST_INDIRECT_CALLS.
1729 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1731 (return_addr_rtx): Short circuit export stub matching when
1732 TARGET_NO_SPACE_REGS.
1733 (output_millicode_call): For out of range calls, make -fPIC
1734 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1735 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1736 * pa.md: Modify length attr calculation of all millicode insns to
1739 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1741 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1742 Require at least 2.11 in the version test. Specifically check
1743 for and reject GAS version 2.10.90.
1744 * configure: regenerate.
1746 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1748 * pa.c (override_options): Remove PIC profiling warning.
1749 (hp_profile_labelno): Delete.
1750 (hp_profile_label_rtx): Delete.
1751 (hp_profile_label_name): Delete.
1752 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1753 (output_function_prologue): Remove profiling code and all tests on
1754 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1755 merge_sp_adjust_with_store can work for PIC and profiling.
1756 (hppa_expand_epilogue): Remove profile_flag test.
1757 (hppa_can_use_return_insn_p): Likewise.
1758 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1759 cater for PROFILE_HOOK.
1760 (hppa_profile_hook): New function.
1761 * pa.h (FUNCTION_PROFILER): Now does nothing.
1762 (PROFILE_HOOK): Define.
1763 (hppa_profile_hook): Declare.
1764 (PROFILE_BEFORE_PROLOGUE): Delete.
1765 (ASM_OUTPUT_REG_PUSH): Delete.
1766 (ASM_OUTPUT_REG_POP): Delete.
1767 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1768 r24. Accept function name operand, and use this and a locally
1769 generated label to calculate pc-rel offset to func start.
1771 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1773 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1774 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1777 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1779 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1780 LO_SUM cases to where they belong.
1782 2001-04-02 Richard Henderson <rth@redhat.com>
1784 * except.h (lang_eh_type_covers): Mark extern.
1785 (lang_eh_runtime_type): Likewise.
1787 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1789 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1790 gengenrtl.c: Wrap generated header in multiple-include guard.
1791 Improve error checking.
1793 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1795 * configure.in: Don't check for putenv.
1796 * configure: Regenerate.
1797 * gcc.c (putenv): Don't define.
1798 * vax/xm-vms.h: Handle putenv.
1800 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1802 * ifcvt.c (noce_emit_move_insn): New.
1803 (noce_try_store_flag, noce_try_store_flag_constants,
1804 noce_try_store_flag_inc, noce_try_store_flag_mask,
1805 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1806 noce_try_abs): Use it.
1807 (noce_process_if_block): Likewise.
1808 For STRICT_LOW_PART, take mode from its SUBREG.
1810 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1812 * fold-const.c (fold): Before optimizing unsigned comparison with
1813 0x7fffffffU, make sure arg0 is integral type.
1815 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1817 * c-tree.texi: Document representation of wide strings.
1819 2001-04-01 Richard Henderson <rth@redhat.com>
1821 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1823 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1825 * i386.md: remove obsoleted comments.
1826 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1827 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1828 fix output template.
1830 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1832 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1834 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1836 * loop.c (load_mems): When generating a load from a pseudo, update
1839 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1841 * i386.c (ix86_split_long_move): Use change address to compensate
1842 stack pointer change in push instruction.
1844 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1846 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1847 instead of rtx_equal_p; fix the output template.
1849 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1851 * i386.c (ix86_expand_setcc): Support 64bit.
1852 (ix86_expand_int_movcc): Likewise.
1853 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1856 * i386.md (allocate_stack_worker): Turn to expander.
1857 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1859 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1861 2001-03-29 Richard Henderson <rth@redhat.com>
1863 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1865 2001-03-28 Matthew Hiller <hiller@redhat.com>
1867 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1870 * MAINTAINERS: Added self.
1872 2001-03-28 Richard Henderson <rth@redhat.com>
1874 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1875 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1877 2001-03-28 Jim Wilson <wilson@redhat.com>
1879 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1882 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1884 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1886 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1889 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1891 2001-03-28 DJ Delorie <dj@redhat.com>
1893 * Makefile.in (stage1_build): Revert CFLAGS patch.
1895 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1897 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1898 when multiplier or multiplicand is zero.
1900 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1902 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1904 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1906 (set_src_needs_barrier): Likewise.
1907 (rtx_needs_barrier): For SET case, use these two functions. Rework
1908 PARALLEL case to handle all inputs before all outputs.
1909 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1910 saw a label and no stop bit since then.
1911 (maybe_rotate, process_epilogue): Add prototypes.
1913 2001-03-28 Richard Henderson <rth@redhat.com>
1915 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1916 not TARGET_TOC for special toc restore handling.
1917 * config/rs6000/rs6000.md (eh_return): Likewise.
1919 2001-03-28 Richard Henderson <rth@redhat.com>
1921 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1922 current_function_calls_eh_return.
1923 (output_function_epilogue): Handle eh_return.
1924 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1925 (EH_RETURN_DATA_REGNO): New.
1926 (EH_RETURN_STACKADJ_RTX): New.
1927 (EH_RETURN_HANDLER_RTX): New.
1928 * config/sparc/sparc.md (call/short branch peepholes): Check
1929 can_throw_internal instead of in_same_eh_region.
1931 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1932 for eh_return data registers.
1933 (rs6000_emit_prologue): Save eh_return data registers.
1934 (rs6000_emit_epilogue): Force inline restores if eh_return.
1935 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1936 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1937 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1938 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1939 the target uses one.
1940 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1941 (return_eh_si, return_eh_di): Remove.
1942 (eh_return): New, from corpse of eh_epilogue.
1943 (eh_set_lr_si, eh_set_lr_di): New.
1945 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1946 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1947 True for pic register if current_function_calls_eh_return.
1948 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1949 Handle eh_return requirements.
1950 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1951 (EH_RETURN_STACKADJ_RTX): New.
1952 * config/i386/i386.md (exception_receiver): Remove.
1953 (eh_return, eh_return_1): New.
1954 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1956 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1957 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1958 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1959 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1960 (EH_RETURN_DATA_REGNO): New.
1961 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1962 * config/alpha/alpha.md (eh_epilogue): Remove.
1963 (exception_receiver): Use $26 for ldgp input.
1964 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1966 2001-03-28 Richard Henderson <rth@redhat.com>
1968 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1969 * except.h: Likewise.
1971 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1972 (LIB2ADDEHDEP): New.
1973 (LIB2FUNCS_EH): Remove.
1974 (LIB2ADD): Remove LIB2ADDEH.
1975 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1976 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1977 (crt{begin,end}[S].o): Likewise.
1978 (except.o): Update includes.
1979 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1980 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1982 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1983 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1984 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1985 * builtins.c (expand_builtin): Implement it.
1986 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1987 * c-common.c (c_common_nodes_and_builtins): Declare it.
1988 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1989 * calls.c (libfunc_nothrow): Remove.
1990 (emit_library_call_value_1): Don't call it.
1991 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1992 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1993 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1994 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1995 (current_funcdef_number): Globalize.
1996 (output_call_frame_info): Emit frame data if an lsda is needed.
1997 Generate augmentation for personality routine. Don't play with
1999 (dwarf2out_begin_prologue): Record funcdef_number.
2000 * dwarf2out.h (current_funcdef_number): Declare.
2001 * expr.c (expand_expr): Update for except.h name changes.
2002 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2003 * expr.h (LTI_throw, LTI_rethrow): Remove.
2004 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2005 (LTI_eh_rtime_match): Remove.
2006 (LTI_unwind_resume, LTI_eh_personality): Add.
2007 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2008 * final.c (final): Don't call check_exception_handler_labels,
2009 init_insn_eh_region, or free_insn_eh_region.
2010 (final_scan_insn): Always emit debug labels for
2011 NOTE_INSN_EH_REGION notes.
2012 * flags.h (flag_new_exceptions): Remove.
2013 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2014 (record_active_eh_regions): Remove.
2015 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2016 Use can_throw_internal.
2017 (find_basic_blocks_1): Likewise.
2018 (move_stray_eh_region_notes): Remove.
2019 (find_label_refs): No eh_return_stub_label.
2020 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2021 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2023 (delete_unreachable_blocks): Don't track deleted handlers.
2024 (flow_delete_block): Use maybe_remove_eh_handler.
2025 (delete_eh_regions): Remove.
2026 (merge_blocks): Don't check for eh region match.
2027 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2028 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2029 (init_propagate_block_info): Disable dead frame store optimization
2030 when current_function_calls_eh_return.
2031 (dump_bb): Don't print eh_beg, eh_end.
2032 * function.c (fixup_var_refs): No catch_clauses.
2033 (expand_function_end): Likewise. Call expand_eh_return before
2034 the return register use. Call sjlj_emit_function_exit_after.
2035 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2036 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2037 * ifcvt.c (dead_or_predicable): Remove eh region check.
2038 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2039 Don't check for EH vs parameters.
2040 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2041 (expand_inline_function): Call duplicate_eh_regions.
2042 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2043 (copy_insn_notes): Remap REG_EH_REGION notes.
2044 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2045 * integrate.h (struct inline_remap): Add local_return_label.
2046 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2047 check_exception_handler_labels, nor exception_optimize.
2048 (find_cross_jump): No EH region check.
2049 * optabs.c (init_optabs): Update for changed eh libfuncs.
2050 * rtl.def (RESX): New.
2051 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2052 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2053 checks. Update for except.h name changes.
2054 (expand_cleanups): Likewise.
2055 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2056 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2057 (compile_file): Call init_eh before init_optabs. Don't
2058 output_exception_table here.
2059 (rest_of_compilation): Call convert_from_eh_region_ranges,
2060 convert_to_eh_region_ranges, output_function_exception_table.
2061 Don't emit_eh_context.
2062 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2063 (EXC_PTR_EXPR): New.
2065 * md.texi (eh_epilogue): Remove.
2066 (eh_return): Document.
2067 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2068 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2070 * eh-common.h: Remove file.
2071 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2072 * libgcc2.c (L_eh): Remove.
2074 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2075 * unwind-dw2-fde.h: New file.
2076 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2077 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2078 * libgcc-std.ver: Update for eh symbols.
2080 2001-03-27 Richard Henderson <rth@redhat.com>
2082 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2083 reduce false positives.
2084 (regmove_optimize): Disable if flag_non_call_exceptions.
2086 * stmt.c (expand_return): Remove always true predicate.
2087 (expand_decl_cleanup_no_eh): Remove dead code.
2089 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2090 barrier code. Add a scheduling barrier if a non-call insn
2091 can throw internally.
2093 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2094 Auto-inc addresses trap only if their base register does.
2096 * except.c (can_throw_internal): Rename from can_throw.
2097 * except.h, resource.c: Update references.
2099 * integrate.c (copy_insn_list): Use returnjump_p.
2100 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2102 * function.h (struct function): Move all boolean valued fields
2103 to single bit fields at the end of the struct.
2105 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2107 Rename asynchronous_exceptions to flag_non_call_exceptions.
2109 * gthr-single.h (UNUSED): New. Distinguish between how C
2110 and C++ mark unused function arguments. Use throughout.
2112 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2113 value to target configuration header.
2114 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2115 * config.in, configure: Rebuild.
2116 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2117 configuration and target defines.
2118 (exceptions_via_longjmp): Remove.
2119 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2120 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2122 * except.h (flag_non_call_exceptions): Move ...
2123 * flags.h: ... here.
2125 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2126 exceptions, put the note on the trapping instruction.
2128 * flags.h (flag_new_exceptions): Remove.
2129 * toplev.c: Don't set it.
2130 * final.c: Don't check it.
2131 * except.c: Provide stub definition.
2133 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2134 (calculate_global_regs_live): Kill call-clobbered registers
2135 across exception edges.
2136 * reg-stack.c (convert_regs_1): Kill the entire target stack
2137 across non-call exception edges.
2139 * flow.c (cleanup_cfg): Take no argument.
2140 * output.h, sibcall.c, toplev.c: Update all calls.
2142 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2144 * configure.in: Don't check for bcopy.
2145 * configure, config.in: Regenerate.
2147 * system.h: Don't define or prototype bcopy, instead poison it.
2149 2001-03-27 Richard Henderson <rth@redhat.com>
2151 * function.c (expand_function_start): Set DECL_REGISTER on
2152 a pseudo used for DECL_RESULT.
2154 * rtl.h (LCT_NORETURN): New.
2155 * calls.c (emit_library_call_value_1): Handle it.
2157 2001-03-27 Stan Shebs <shebs@apple.com>
2159 * objc/objc-act.c (objc_init): Use dump_base_name.
2160 (gen_declaration): Clear the buffer arg.
2161 (gen_declaration_1): New function, body of gen_declaration.
2162 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2163 (gen_method_decl): Ditto, plus always clear buffer arg.
2164 (error_with_ivar): Simplify.
2165 (warn_with_method): Ditto.
2166 (build_message_expr): Don't clear buffers.
2167 (dump_interface): Ditto.
2168 (objc_debug): Ditto.
2169 (build_keyword_selector): Clear the buffer by only zeroing
2171 (objc_implementation_context): Declare.
2172 (start_class): Warn about missing @end.
2173 (finish_objc): Ditto.
2175 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2177 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2179 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2181 * Makefile.in (SYSTEM_H): Define.
2182 Depend on $(SYSTEM_H), not system.h.
2184 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2186 2001-03-27 Jim Wilson <wilson@redhat.com>
2188 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2190 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2191 (process_epilogue): New static function.
2192 (process_set): Call process_epilogue instead of emitting .restore
2194 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2196 * flow.c (struct reg_cond_life_info): New fields orig_condition
2198 (init_propagate_block_info): Set new fields.
2199 (mark_regno_cond_dead): Set and use new fields.
2200 (flush_reg_cond_reg_1): Likewise.
2201 (and_reg_cond, case AND): Check for redundant AND conditions.
2202 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2205 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2207 * cppmacro.c (stringify_arg): Null terminate strings.
2209 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2211 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2212 inclusion style. xm-m68hc11.h no longer exists.
2213 * config/m68hc11/xm-m68hc11.h: Delete file.
2214 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2216 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2217 Don't define GCC_VERSION, N_, or PARAMS; don't include
2218 gansidecl.h or stdio.h. Define inhibit_libc here.
2219 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2220 Delete code conditioned on #if GCC_VERSION == 2095.
2222 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2223 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2224 Delete code conditioned on #if GCC_VERSION == 2095.
2226 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2228 * system.h: Include symcat.h.
2229 (STRINGIFY): Don't define.
2231 * configure.in: Adjust comment.
2233 * builtins.c: Use STRINGX, not STRINGIFY.
2234 * gencheck.c: Likewise.
2235 * gengenrtl.c: Likewise.
2236 * protoize.c: Likewise.
2238 * cpplex.c: Don't include symcat.h.
2239 * cpplib.c: Likewise.
2241 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2243 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2245 * c-typeck.c (digest_init): Fold init expression.
2247 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2249 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2251 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2253 * except.c (eh_regs): Save results of build_pointer_type to a temp
2254 as FUNCTION_VALUE macro may evaluate its args multiple times.
2256 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2258 * c-common.h (DECL_NUM_STMTS): New macro.
2259 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2261 (pushdecl): Likewise.
2262 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2263 * integrate.c (expand_inline_function): Don't check
2265 * print-tree.c (print_node): Don't print it.
2266 * toplev.c (rest_of_compilation): Don't try to inline when
2267 flag_no_inline is on.
2268 * tree.h (DECL_FRAME_SIZE): Remove.
2269 (tree_decl): Adjust accordingly.
2271 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * combine.c (try_combine): Use memcpy, not bcopy.
2275 * genattrtab.c (expand_units): Likewise.
2277 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2279 * i386.md (push mem DI peep2): New.
2280 (mov 0, mov -1 peep2): Handle 64bit.
2281 (lea to arithmetics peep2): Handle 64bit leas.
2282 (rsp arithmetics to push/pop peep2s): New.
2284 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2286 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2288 * i386.c (struct machine_function): Add save_varrargs_registers.
2289 (ix86_save_varrargs_registers): New macro.
2290 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2291 (ix86_expand_prologue): Likewise.
2292 (ix86_emit_epilogue_esp_adjustement): Likewise.
2293 (ix86_expand_epilogue): Likewise.
2294 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2295 (pro_epilogue_adjust_stack_1): New insn.
2296 (pro_epilogue_adjust_stack_rex64): Likewise.
2297 * i386.h (MASK_NO_RED_ZONE): New constant.
2298 (TARGET_RED_ZONE): New macro.
2299 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2300 (RED_ZONE_SIZE): New constant.
2301 (RED_ZONE_RESERVE): New constant.
2303 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2305 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2307 2001-03-25 Kazu Hirata <kazu@hxi.com>
2309 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2312 (umodhi3): Likewise.
2315 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * mkconfig.sh (DEFINES): Handle entries with '='.
2319 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2320 Set xm_defines to MACRO=value instead.
2322 * i370/xm-mvs.h: Delete.
2324 * ns32k/xm-pc532-min.h: Likewise.
2326 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2328 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2330 use ix86_expand_binary_operator
2331 (?sh??i_?): Disable for 64bit.
2332 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2333 * i386.c (shiftdi_operand): New predicate.
2335 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2336 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2337 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2338 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2339 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2340 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2341 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2342 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2343 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2344 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2345 (rotldi3, rotrdi3): New expanders.
2347 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2349 * i386.md (movstrsi): Move offline.
2351 (strmovdi_rex64): New.
2352 (strmov?i): Accept 64bit.
2353 (strmov?i_rex64): New.
2354 (strmov?i_rex_1): New.
2355 (strmov?i_1): Disable for 64bit.
2356 (rep_mov?i_rex64): New.
2357 (rep_mov?i): Disable for 64bit.
2358 (clrstrsi): Move offline.
2359 (strset?i_rex64): New.
2360 (strset?i: Accept 64bit.
2361 (rep_stos?i): Disable for 64bit.
2362 (rep_stos?i_rex64): New.
2363 (strset?i_rex_1): New.
2364 (strset?i_1): Disable for 64bit.
2365 (cmpstrsi): Accept 64bit.
2366 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2367 (cmpstrqi_nz_rex_1): New.
2368 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2369 (strlensi): Move offline.
2371 (strlenqi_1): Disable for 64bit; fix constraints.
2372 (strlenqi_rex_1): New.
2373 * i386.c (ix86_adjust_counter): New static function.
2374 (ix86_zero_extend_to_Pmode): Likewise.
2375 (ix86_expand_aligntest): Likweise.
2376 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2377 (ix86_expand_movstr): New global function.
2378 (ix86_expand_clrstr): New global function.
2379 (ix86_expand_strlen): New global function.
2380 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2381 ix86_expand_strlen): Declare.
2382 (ix86_expand_strlensi_unroll_1): Delete.
2384 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2386 * i386.md (cmpdi): Fix operand predicates.
2387 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2388 cmpdi_1_insn_rex64): New patterns.
2389 (adddi3): Turn to expander.
2390 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2391 (addsi3_carry_zext): New pattern.
2392 (adddi_?_rex64): New patterns and splitters.
2393 (addsi_?_zext): New patterns.
2394 (subsi3_carry_zext): New pattern.
2395 (subdi_?_rex64): New patterns and splitters.
2396 (iorsi_?_zext): New patterns.
2397 (iordi_?_rex64): New patterns and splitters.
2398 (iorsi_?_zext): New patterns.
2399 (iorsi_?_zext_imm): New patterns.
2400 (xorsi_?_zext): New patterns.
2401 (xordi_?_rex64): New patterns and splitters.
2402 (xorsi_?_zext): New patterns.
2403 (negdi*): New patterns.
2404 (one_cmpldi*): Likewise.
2405 (one_cmplsi*_zext, negsi*_zext): Likewise.
2406 (testqi_ext_3_rex64): New pattern.
2408 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2410 * i386-protos.h (ix86_split_long_move): Return void.
2411 * i386.c (ix86_split_to_parts): Handle 64bit target.
2412 (ix86_split_long_move): Likewise.
2413 * i386.md (all calls to ix86_split_long_move): Update.
2415 2001-03-23 Richard Henderson <rth@redhat.com>
2417 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2418 to avoid shadowing arguments.
2420 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2422 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2423 to variable names where DECL_NAME is different from
2424 DECL_ASSEMBLER_NAME.
2426 2001-03-23 Jim Wilson <wilson@redhat.com>
2428 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2429 (assemble_alias): Call make_decl_rtl.
2431 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2433 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2435 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2437 * extend.texi: Document the "java_interface" attribute.
2439 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2441 * mkconfig.sh: Use a subshell with redirected stdout,
2442 instead of closing stdout and confusing commands that run
2443 afterward. Throw away output of cmp.
2445 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2447 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2449 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2451 * i386.md (zero_extendsidi2_32): Break out from ...
2452 (zero_extendsidi2): ... here ; turn to expander.
2453 (zero_extendsidi2_rex64): New.
2454 (extendsidi2_32): Break out from ...
2455 (extendsidi2): ... here ; turn to expander.
2456 (extendsidi2_rex64): New.
2457 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2458 (trunc?f?f splitters): Add 64bit versions.
2460 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2462 * i386.md (pushsi, pushsi2_prologue): Disable.
2463 (pushsi2_rex64): New.
2464 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2465 (movqi_ext_1): Disable for 64bit.
2466 (movqi_ext_1_rex64): New.
2467 (pushdi2_rex64): New pattern, peep2s and splitter.
2468 (pushdi2_prologue_rex64): New pattern.
2469 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2471 (movdi splitters): Disable for 64bit.
2472 (movdi_1_rex64): New pattern, peep2s and splitters.
2473 (swapdi): New pattern.
2474 (pushsf): Disable for 64bit.
2475 (pushsf_rex64): New pattern and splitter.
2476 (pushdf_nointeger): Disable for 64bit.
2477 (pushdf_integer): Handle the 64bit case.
2478 (pushtf): Likewise; update splitters.
2480 2001-03-22 Richard Henderson <rth@redhat.com>
2482 * mkconfig.sh: Include insn-flags.h.
2483 * Makefile.in (CONFIG_H): Include insn-flags.h.
2484 (lots of objects): Remove insn-codes.h and insn-flags.h.
2486 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2487 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2488 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2489 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2490 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2491 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2492 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2493 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2494 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2495 v850/v850.c, vax/vax.c:
2496 Don't include insn-flags.h.
2498 * diagnostic.c, expr.h, reload.c, toplev.c:
2499 Don't include insn-codes.h.
2501 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2502 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2503 c4x/c4x.c, i960/i960.c, mips/mips.c:
2504 Don't include insn-codes.h or insn-flags.h.
2506 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2507 or insn-flags.h in the generated code.
2508 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2509 (main): Forward declare struct rtx_def.
2511 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2513 * invoke.texi (-ffast-math): Remove duplicate line about
2516 * gcc.texi: Remove more obsolete documentation of bugs and
2517 installation problems.
2519 2001-03-21 Kazu Hirata <kazu@hxi.com>
2521 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2524 2001-03-20 Jason Merrill <jason@redhat.com>
2526 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2528 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2529 * varasm.c (CHKR_PREFIX): Likewise.
2531 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2533 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2534 is part of a multi-SET insn.
2536 * cse.c (find_comparison_args): Remove previous change.
2537 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2540 * config/i386/i386.md (conditional_trap): Remove warning.
2542 * recog.c (push_operand): Fix error in last change that caused
2543 undefined symbol on many targets.
2545 * sdbout.c: #include ggc.h.
2546 (sdbout_init): Move to end of file.
2547 Call ggc_add_tree_root for anonymous_types.
2548 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2549 (sdbout_one_type): Use DECL_NAME for field name.
2550 * Makefile.in (sdbout.o): Show includes ggc.h.
2552 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2554 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2555 (override_options): Use properlimits for preferred_stack_boundary.
2556 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2558 (ext_register_operand): Accept DImode.
2559 (load_pic_register): Abort on 64bit.
2560 (gen_push): Use Pmode instead of SImode.
2561 (ix86_save_reg): Pic reg is never used on 64bit.
2562 (ix86_expand_prologue): Likewise.
2563 (ix86_emit_save_regs): Use Pmode instead of SImode.
2564 (legitimate_address_p): Check displacement for 64bit.
2565 (print_operand): Avoid outputting of (%rip) on 64bit.
2566 (print_operand_address): Output (%rip) where possible.
2567 (split_di): Abort on 64bit registers.
2568 (ix86_expand_branch): DImode comparison is simple for x86_64.
2569 (memory_address_length): Recognize memory addresses formed using
2571 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2573 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2575 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2577 * recog.c (push_operand): Recognize new format of push instructions.
2579 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2581 * i386.md (pushqi1): New.
2582 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2583 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2584 x86_64_immediate_operand, x86_64_immediate_operand,
2585 x86_64_zext_immediate_operand): Declare.
2586 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2587 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2588 x86_64_immediate_operand, x86_64_immediate_operand,
2589 x86_64_zext_immediate_operand): define.
2590 * i386.h (PREDICATE_CODES): Add new predicates.
2592 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2594 * i386.md (pophi1, popqi1, pushqi1): Remove.
2596 * expr.c (emit_single_push_insn): New function.
2597 (move_by_pieces): Accept NULL as destination for push instructions.
2598 (gen_push_operand): Kill.
2599 (emit_push_insn): Pass NULL when pushing; avoid updating of
2600 stack_pointer_delta.
2601 * expr.h (gen_push_operand): Kill.
2603 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2605 * rtl.texi (COMPARE): Clarify documentation and reference section
2608 2001-03-20 Stan Shebs <shebs@apple.com>
2610 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2611 (get_object_reference): Ditto.
2612 (error_with_ivar): Use error_with_file_and_line.
2613 (warn_with_method): Use warning_with_file_and_line.
2615 2001-03-20 Tom Tromey <tromey@redhat.com>
2617 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2619 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2621 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2622 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2624 2001-03-20 DJ Delorie <dj@redhat.com>
2626 * Makefile.in (install-libgcc): Pass complete list of variables.
2627 (install-multilib): Ditto.
2629 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2631 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2632 drectve_section, switch_to_section.
2634 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2635 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2636 i386_pe_mark_dllimport.
2638 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2640 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2641 functions i386_pe_*.
2643 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2644 i386_pe_* functions with char * arguments.
2646 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2648 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2650 (movsi_ie): Introduce fpul store.
2652 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2654 * Makefile.in (OBJS): Remove hashtab.o.
2656 2001-03-19 Stan Shebs <shebs@apple.com>
2658 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2659 * c-lang.c (maybe_objc_method_name): Ditto.
2660 * c-tree.h (maybe_objc_method_name): Remove decl.
2662 2001-03-19 Tom Tromey <tromey@redhat.com>
2664 * gcc.c (init_gcc_specs): Fix comment.
2666 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2668 Compute DECL_ASSEMBLER_NAME lazily.
2669 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2670 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2671 (SET_DECL_ASSEMBLER_NAME): Likewise.
2672 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2673 (set_decl_assembler_name): Declare.
2674 (lang_set_decl_assembler_name): Likewise.
2675 * tree.c (lang_set_decl_assembler_name): New variab.e
2676 (set_decl_assembler_name): New function.
2677 (init_obstacks): Set lang_set_decl_assembler_name.
2678 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2679 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2680 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2681 where it's not necessary.
2682 (builtin_function): Likewise.
2683 (finish_decl): Likewise.
2684 * dbxout.c (dbxout_type_methods): Likewise.
2685 * ggc-common.c (ggc_mark_trees): Likewise.
2686 * profile.c (output_func_start_profiler): Likewise.
2687 * varasm.c (make_decl_rtl): Likewise.
2689 * cse.c (find_comparison_args): Update documentation. Fix
2690 mishandling of COMPARE operations.
2692 * tree.def (ABS_EXPR): Add documentation.
2693 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2695 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2697 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2699 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2701 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2702 Remove ia32 linux PIC kludge and move it...
2703 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2705 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2707 * i386.md (absdf2 expander): Fix 64bit case.
2709 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2711 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2713 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2715 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2717 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2719 * README.X11: Remove obsolete file.
2721 2001-03-18 Anthony Green <green@redhat.com>
2723 * config/pj/pj.h: Remove some trailing commas.
2724 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2726 2001-03-18 Richard Henderson <rth@redhat.com>
2728 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2729 * calls.c: ... here.
2730 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2731 defaults for them here.
2733 2001-03-17 Anthony Green <green@redhat.com>
2735 * config/pj/lib1funcs.S: Fix broken comment.
2736 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2739 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2741 * gcc.texi: Remove obsolete information relating to build and
2742 installation problems with enquire or the Pyramid C compiler.
2744 2001-03-17 Richard Henderson <rth@redhat.com>
2746 * dwarf2out.c (queue_reg_save): New.
2747 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2748 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2750 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2751 (cfa, cfa_store, cfa_temp): Make static.
2752 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2754 2001-03-17 Richard Henderson <rth@redhat.com>
2756 * integrate.h (struct inline_remap): Add local_return_label.
2757 * integrate.c (expand_inline_function): Initialize it and emit
2758 it after copy_insn_notes.
2759 (copy_insn_list): Don't store local_return_label here.
2760 (copy_insn_notes): New function split out from copy_insn_list.
2762 2001-03-17 Richard Henderson <rth@redhat.com>
2764 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2765 is generating .debug_line.
2766 (dwarf2out_init): Add main_input_filename to the file table first.
2767 * configure.in (as_dwarf2_debug_line): Test with file number 1
2768 instead of file number 0.
2770 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2772 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2773 (gen_rtx_combine): Deleted; all references changed as appropriate.
2774 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2776 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2778 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2780 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2783 2001-03-16 Jim Wilson <wilson@redhat.com>
2785 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2786 then set it to LOC_REG (79) instead of aborting.
2788 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2790 * gccbug.in: Remove high priority.
2792 2001-03-16 Richard Henerson <rth@redhat.com>
2794 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2795 output with a space instead of deleting it.
2796 * configure: Regenerate.
2798 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2800 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2801 handles the gory details of converting an object file into
2802 something that's safe to grep.
2803 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2804 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2805 newlines at either end of the string we're looking for.
2806 Make 'checking ...' message less stilted.
2807 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2808 ARM in-memory layout and its hypothetical converse. Don't
2809 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2810 HOST_WORDS_BIG_ENDIAN.
2812 * configure.in: Adjust for renamed macro. Move
2813 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2814 * configure, config.in: Regenerate.
2816 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2818 * fixinc/Makefile.in: Set SHELL.
2820 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2822 * fixinc/fixincl.c (fix_with_system): Quote file names before
2823 passing them to shell.
2825 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2827 * Makefile.in: Use fix-header$(build_exeext) instead
2830 2001-03-16 Richard Henderson <rth@redhat.com>
2832 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2833 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2834 (size_of_line_prolog): Remove.
2835 (output_line_info): Compute prologue size via label difference.
2836 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2838 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2839 assembler error when redefining file numbers.
2840 * config.in, configure: Rebuild.
2842 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2843 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2844 (dw2_asm_output_delta_uleb128): Likewise.
2845 (dw2_asm_output_delta_sleb128): Similarly.
2846 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2848 2001-03-16 Michael Meissner <meissner@redhat.com>
2850 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2852 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2854 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2856 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2857 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2858 being unsigned in ISO C and signed in traditional.
2859 (expand_prologue): Ditto.
2860 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2862 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2864 (divsi3,divdi3): Ditto.
2865 (modsi3,moddi3): Ditto.
2866 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2867 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2868 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2871 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2873 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2874 SSE based conditional moves on LTGT/UNEQ conditions;
2875 Canonicalize EQ to NE.
2876 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2877 (sse_mov?fcc_ne): New.
2879 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2881 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2883 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2884 register may be dead.
2886 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2888 * Makefile.in (hash.o): Depend on CONFIG_H.
2890 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2892 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2894 2001-03-15 Richard Henderson <rth@redhat.com>
2896 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2897 (ASM_OUTPUT_DWARF_PCREL): New.
2898 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2900 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2902 * cppfiles.c (stack_include_file): Use MAX of sysp.
2904 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2906 * config.gcc (ia64*-*-hpux*): New case.
2907 * config/ia64/hpux.h: New file for HP-UX support.
2908 * config/ia64/t-hpux: New file for HP-UX support.
2910 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2912 * fixinc/inclhack.def (irix_stdio_va_list): New.
2913 * fixinc/fixincl.x: Rebuilt.
2915 2001-03-15 Richard Henderson <rth@redhat.com>
2917 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2918 if provided by the target.
2919 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2920 (dw2_asm_output_addr): New.
2921 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2922 * dwarf2out.c (output_cfi): Use it for program addresses.
2923 (output_call_frame_info, output_die): Likewise.
2924 (output_aranges, output_line_info): Likewise.
2926 2001-03-15 Bruce Korb <bkorb@gnu.org>
2928 * gcc.c(main): make more rigorous
2929 * collect2.c(main): guard against ignoring SIGCHLD
2930 * protoize.c(main): ditto
2931 * gcc/fixinc/fixincl.c(initialize): ditto
2933 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2935 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2936 (sdbout_parms): Likewise.
2938 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2940 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2941 "widen" a destination that is already wider than a word. Also do
2942 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2944 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2946 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2948 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2950 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2952 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2954 * i960.h (i960_maxbitalignment,
2955 i960_last_maxbitalignment): Declare.
2956 * i960.c (i960_maxbitalignment,
2957 i960_last_maxbitalignment): Make global.
2958 (process_pragma): Delete.
2959 (i960_pr_align, i960_pr_noalign): Move from here ...
2960 * i960-c.c: ... to this new file.
2961 * t-960bare (i960-c.o): New rule.
2962 * t-vxworks960 (i960-c.o): Likewise.
2963 * config.gcc (i960-*-*): Define c_target_objs and
2966 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2968 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2969 without adding in rtx code and mode.
2971 * alias.c (init_alias_analysis): Don't use any rtx whose value
2972 varies as a known value.
2973 Delete a superfluous test.
2975 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2977 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2978 scheduling a stop bit.
2979 (ia64_emit_nops): Correctly handle ASMs.
2981 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2983 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2985 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2987 * cpp.texi: Update documentation for -include and -imacros.
2988 * cppfiles.c (struct include_file): Remove "defined" memeber.
2989 (find_or_create_entry): Make a copy of the file name, and
2991 (open_file): Update to ensure we use the simplified filename.
2992 (stack_include_file): Don't set search_from.
2993 (cpp_included): Don't simplify the path name here.
2994 (find_include_file): New prototype. Call search_from to
2995 get the start of the "" include chain. Don't simplify the
2997 (_cpp_execute_include): New prototype. Move diagnostics to
2998 do_include_common. Update.
2999 (_cpp_pop_file_buffer): Don't set defined.
3000 (search_from): New prototype. Use the preprocessor's cwd
3001 for files included from the command line.
3002 (read_name_map): Don't simplify the pathname here.
3003 * cpphash.h (enum include_type): New.
3004 (struct buffer): Delete search from. New search_cached.
3005 (_cpp_execute_include): Update prototype.
3006 * cppinit.c (do_includes): Use _cpp_execute_include.
3007 * cpplib.c (do_include_common): New function.
3008 (do_include, do_include_next, do_import): Use it.
3010 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3012 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3013 contents of the RTL, to determine the name of the object.
3015 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3017 * tree.h (DECL_RTL): Allocate RTL lazily.
3018 (SET_DECL_RTL): New macro.
3019 (DECL_RTL_SET_P): Likewise.
3020 (COPY_DECL_RTL): Likewise.
3021 (DECL_RTL_IF_SET): Likewise.
3022 * varasm.c (make_decl_rtl): Add assertions about the kind of
3023 declaration we are processing.
3024 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3025 (start_decl): Likewise.
3026 (finish_decl): Likewise.
3027 * c-semantics.c (emit_local_var): Likewise.
3028 * calls.c (expand_call): Likewise.
3029 * dbxout.c (dbxout_symbol): Likewise.
3030 * emit-rtl.c (unshare_all_rtl): Likewise.
3031 (unshare_all_decls): Likewise.
3032 (reset_used_decls): Likewise.
3033 * expr.c (store_constructor): Likewise.
3034 (safe_from_p): Likewise.
3035 (expand_expr): Likewise.
3036 * function.c (put_var_into_stack): Likewise.
3037 (instantiate_decls_1): Likewise.
3038 (assign_parms): Likewise.
3039 (expand_function_start): Likewise.
3040 (expand_function_end): Likewise.
3041 * ggc-common.c (gcc_mark_trees): Likewise.
3042 * integrate.c (function_cannot_inline_p): Likewise.
3043 (copy_decl_for_inlining): Likewise.
3044 (expand_inline_function): Likewise.
3045 (integrate_parm_decls): Likewise.
3046 (integrate_decl_tree): Likewise.
3047 * print-tree.c (print_node): Likewise.
3048 * reg-stack.c (stack_result): Likewise.
3049 * stmt.c (label_rtx): Likewise.
3050 (expand_return): Likewise.
3051 (expand_decl): Likewise.
3052 (expand_decl_cleanup): Likewise.
3053 (expand_anon_union_decl): Likewise.
3054 * toplev.c (check_global_declarations): Likewise.
3055 (rest_of_decl_compilation): Likewise.
3056 * tree.c (simple_cst_equal): Likewise.
3057 * objc/objc-act.c (generate_static_references): Likewise.
3059 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3061 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3062 gcc_AC_C_FLOAT_FORMAT): New macros.
3063 * configure.in: Add AC_PROG_CPP after CC tests;
3064 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3065 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3066 * configure, config.in: Regenerate.
3068 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3069 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3070 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3071 config/i370/xm-linux.h, config/i370/xm-oe.h,
3072 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3073 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3074 config/pa/xm-linux.h, config/pa/xm-pa.h,
3075 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3076 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3077 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3078 config/we32k/xm-we32k.h: Delete.
3080 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3081 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3082 config/vax/xm-vms.h: Don't define any of:
3083 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3085 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3087 * config.gcc: Remove references to deleted files.
3088 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3089 FATAL_EXIT_CODE, which is the same between oe and mvs).
3091 2001-03-14 DJ Delorie <dj@redhat.com>
3092 Vladimir Makarov <vmakarov@redhat.com>
3094 * config/i960/i960.c (i960_function_prologue): Compute size of
3095 frame according to number of registers actually saved there.
3097 2001-03-14 Richard Henderson <rth@redhat.com>
3099 * expr.c (emit_move_insn_1): Fix else if around #endif.
3101 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3104 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3107 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3109 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3110 (override_options): Parse cmodel string.
3111 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3112 * i386.h (TARGET_OPTIONS): Add "cmodel".
3113 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3115 (ix86_cmodel_string, ix86_cmodel): Declare.
3117 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3120 * i386.h (GENERAL_REG_P): Add missing REG_P.
3122 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3124 * configure.in: Use $gcc_cv_as instead of $as.
3125 * configure: Regenerated.
3127 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3129 * cppfiles.c (stack_include_file): Only increase the include
3130 count if we actually process the file properly, as opposed
3131 to treating it as length zero. Only call read_include_file
3132 if not DO_NOT_REREAD. Handle the -H include file output
3134 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3135 (cpp_included, find_include_file): Simplify pathnames after
3136 remapping them. If remapping, don't use the remapped file
3137 name's buffer as our scratch buffer.
3138 (cpp_pop_file_buffer): Replace the multiple include macro
3139 only if it isn't yet set.
3140 (read_name_map): Simplify remapped names when reading in.
3141 (remap_filename): Move code to code path that uses it.
3142 (_cpp_simplify_pathname): Return the input pointer.
3143 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3145 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3147 * expr.c (expand_expr): Revove bogus conditional.
3149 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3151 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3153 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3155 * reg-stack.c (stack_result): Unconditionally use
3156 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3158 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3160 * expr.c (emit_move_insn_1): Split push of complex value when
3161 no suitable push instruction exist.
3163 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3164 instead of QI_REG_P.
3166 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3168 * alias.c (handled_component_p, can_address_p): New functions.
3169 (get_alias_set): Use them.
3171 2001-03-13 Jim Wilson <wilson@redhat.com>
3173 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3174 from 80 in try_locals code.
3175 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3177 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3179 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3180 gcc_AC_C_LONG_LONG): New.
3181 * configure.in: Use them. Probe the size of short, int, long,
3182 and long long/__int64 if we have them. Move all the AC_C_*
3183 checks together, except gcc_AC_C_CHAR_BIT which has to go
3184 after AC_CHECK_HEADERS(limits.h).
3185 Take hwint.h out of host_xm_file and build_xm_file.
3187 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3188 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3189 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3190 Move the HOST_WIDEST_INT setup logic here from system.h.
3191 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3193 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3194 is now handled by hwint.h.
3196 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3197 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3198 config/ia64/xm-ia64.h: Don't define any of:
3199 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3200 HOST_BITS_PER_LONGLONG.
3202 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3203 config/h8300/xm-h8300.h, config/mips/iris6.h,
3204 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3205 config/sparc/xm-sp64.h: Delete.
3206 * config.gcc: Remove references to deleted files.
3208 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3209 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3210 * config/i370/xm-linux.h: Clarify floating-point situation in
3213 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3215 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3216 (find_include_file): Decide here which part of the include
3217 chain to start the search. Complain about an empty include
3218 chain in all cases apart from an abolsute file name.
3219 (_cpp_execute_include): Don't choose the search chain here.
3220 Don't call handle_missing_include in the case of an empty
3222 (_cpp_compare_file_date): Don't choose the search chain here.
3223 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3224 here from _cpp_execute_include. Behave like #include if
3225 we're in the main file.
3227 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * system.h (malloc, realloc, calloc, strdup): Only poison these
3230 tokens when IN_GCC is defined.
3232 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3234 * i386.md (abs?f expander): Support SSE case.
3235 (abd?f_if): Add new "USE"; add splitters.
3237 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3239 * cpp.texi (poison): Explain the macro expansion exception.
3241 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3243 * expr.c (store_expr): Add dont_store_target. If temp is already in
3244 target before copying to reg, don't store it into target again.
3246 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3248 * cppinternals.texi: Update for file handling.
3250 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3252 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3253 2001-02-24 which broke building the Java library.
3254 * function.c (identify_blocks): Likewise.
3255 (all_blocks): Likewise.
3256 * integrate.c (integrate_decl_tree): Likewise.
3257 * print-tree.c (print_node): Likewise.
3258 * tree.h (BLOCK_NUMBER): Likewise.
3259 (struct tree_block): Likewise.
3261 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3263 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3264 __WCHAR_TYPE__ definition.
3265 (WCHAR_TYPE_SIZE): #undef before #define.
3267 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3269 * cppfiles.c: Update comments.
3270 (destroy_include_file_node): Rename destroy_node.
3271 (find_or_create_entry): New function.
3272 (open_file, _cpp_fake_include): Use it.
3273 (handle_missing_header): New function, broken out of
3274 _cpp_execute include. Don't segfault if there is no
3275 system or quoted path.
3276 (_cpp_execute_include): Use handle_missing_header.
3278 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3280 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3281 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3283 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3285 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3286 unless anti_dependence says they are.
3287 * alias.c (objects_must_conflict): If neither has a type specified,
3290 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3291 David Billinghurst <David.Billinghurst@riotinto.com>
3293 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3295 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3297 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3298 (*_one_bit): Remove type on the match_operand in attributes.
3300 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3302 * i386.c: Commit forgotten hunk in previous patch.
3303 (regclass_map): Add extended registers.
3304 (dbx_register_map): Add missing frame register.
3306 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3308 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3310 * i386.md (x86_sahf_1): Disable for 64bit.
3311 (popsi*, pophi*): Likewise.
3312 (pushqi, pushhi): Likewise.
3313 (movdi, pushdi): Likewise.
3314 (zero extend DImode splitter): Likewise.
3315 (adddi, minusdi splitter): Likewise.
3316 (umulsidi): Likewise.
3318 (mulsidi): Disable for 64bit
3319 (lshift:DI/ashift:DI): Disable for 64bit.
3320 (loop patterns): Likewise.
3321 (call_pop, call_value_pop expanders and patterns): Likewise.
3322 (prologue_get_pc): Likewise.
3324 (fcmovDI pattern and splitter): Likewise.
3325 (movdfcc_1_rex64): New.
3327 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3329 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3330 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3331 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3332 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3333 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3334 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3335 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3336 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3337 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3338 (REGPARM_MAX): Set to 6 for x86_64.
3339 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3340 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3343 * (patterns that does use upper halves): Update constraints
3344 'q' to 'Q' and 'r' to 'R'.
3345 (cmpqi_ext_1): Disable for 64bit.
3346 (cmpqi_ext_3_insn): Likewise.
3347 (movqi_extzv_1): Likewsie.
3348 (addqi_ext_1): Liekwsie
3349 (testqi_ext_1): Liekwsie
3350 (andqi_ext_1): Liekwsie
3351 (xorqi_ext_1): Liekwsie
3352 (cmpqi_ext_1_rex64): New.
3353 (cmpqi_ext_3_insn_rex64): Likewise.
3354 (movqi_extzv_1_rex64): Likewsie.
3355 (addqi_ext_1_rex64): Liekwsie
3356 (testqi_ext_1_rex64): Liekwsie
3357 (andqi_ext_1_rex64): Liekwsie
3358 (xorqi_ext_1_rex64): Liekwsie
3360 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3362 * configure.in: Move check for unsigned enumerated bitfields
3363 to macro in aclocal.m4. Disable it for now.
3364 * configure, config.in: Regenerate.
3365 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3366 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3367 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3368 kind above its first use.
3370 * config/xm-interix.h, config/alpha/xm-alpha.h,
3371 config/i370/xm-linux.h, config/i386/xm-beos.h,
3372 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3373 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3374 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3375 Don't define ONLY_INT_FIELDS under any circumstances.
3377 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3379 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3380 config/sparc/xm-sysv4.h: Delete - now identical with some
3382 * config.gcc (hppa targets): Replace xm-pahpux.h and
3383 xm-papro.h with implicit xm-pa.h.
3384 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3387 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3389 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3390 before reload_cse_noop_set_p.
3392 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3394 * config.gcc: Where xm-host.h used to include another
3395 xm-host.h, list the nested header directly in xm_file. Remove
3396 references to deleted files. Can now use sparc/xm-sp64.h for
3399 * config/xm-linux.h, config/arm/xm-linux.h,
3400 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3401 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3402 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3403 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3404 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3407 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3408 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3409 bother to wrap #undef in #ifdef.
3410 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3411 Don't include xm-linux.h.
3412 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3414 * configure.in: Wrap regexps using [] in changequote block.
3415 Use expr : not echo | grep. Simplify regexps.
3416 * configure: Regenerate.
3418 56 xm-files remain, 22 xm-arch.
3420 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3422 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3423 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3424 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3425 (copy_object): Fix format specifier vs argument mismatch.
3427 * mips-tdump.c: Make local functions static.
3428 (rindex): Don't #undef.
3429 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3430 (fatal, fancy_abort): Delete.
3431 (read_seek): Avoid signed/unsigned compare.
3433 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3435 * combine.c (try_combine): Fix error in change to try original
3437 (gen_rtx_combine): Do same as gen_rtx for now.
3439 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3441 * configure.in: AC_SUBST xm_defines.
3442 * configure: Regenerate.
3443 * Makefile.in: Set DEFINES=$(xm_defines) when building
3446 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3448 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3449 (cpp_included, find_include_file): Update.
3450 (_cpp_compare_file_date): Make else unconditional.
3452 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3454 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3456 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3458 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3459 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3461 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3463 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3464 if it's a record type.
3466 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3468 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3469 mingw includes slightly.
3471 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3473 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3474 #undef token before poisoning it.
3476 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * alpha.c (check_float_value): Use memcpy, not bcopy.
3480 * m32r.c (m32r_sched_reorder): Likewise.
3482 * vax.c (check_float_value): Likewise.
3484 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3486 * toplev.c (file_name_nondirectory): Remove.
3487 * toplev.h: Similarly.
3488 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3489 of file_name_nondirectory.
3491 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3493 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3494 * mips-tfile.c: Don't #undef rindex; not used.
3496 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3498 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3499 (dbx64_register_map): Declare.
3500 (RETURN_ADDR_RTX): Fix for 64bit.
3501 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3502 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3503 * i386.c (dbx64_register_map): New global array.
3504 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3505 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3508 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3510 * cppfiles.c (search_from): Use lbasename.
3511 * mkdeps.c (deps_add_default_target): Use lbasename.
3513 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3515 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3516 xcalloc in lieu of malloc, realloc & calloc.
3518 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3520 * gengenrtl.c (xmalloc): Likewise.
3522 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3523 really_call_* memory allocation routines.
3525 * stmt.c (check_for_full_enumeration_handling): Use
3526 really_call_calloc, not calloc.
3528 * system.h (really_call_malloc, really_call_calloc,
3529 really_call_realloc): Define.
3530 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3532 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3534 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3536 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3538 * configure: Rebuilt.
3539 * configure.in: Only use `lang_requires' for languages athat are
3542 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3544 * invoke.texi: Fix typo.
3545 * gcc.1: Regenerate.
3547 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3549 * configure.in: Prune nonexistent files from build_xm_file,
3550 xm_file, and host_xm_file lists. Warn unless they're
3552 Don't generate *config.h here.
3553 AC_SUBST all variables needed to generate *config.h.
3554 * configure: Regenerate.
3555 * mkconfig.sh: New helper script, from code removed from
3557 * Makefile.in: Zap all MALLOC variables - no longer used
3558 anywhere, and malloc.c doesn't exist.
3559 Substitute in variables needed to generate *config.h.
3560 Stop lying about the dependencies contained in CONFIG_H and
3562 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3563 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3564 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3565 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3566 $(TM_P_H), etc. as appropriate.
3568 * config.gcc: Zap references to deleted files.
3569 * ggc-none.c: Don't include rtl.h or tm_p.h.
3571 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3572 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3573 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3574 config/i386/xm-linux.h, config/i386/xm-linux.h,
3575 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3576 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3577 Don't include i386/xm-i386.h.
3579 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3580 config/i386/xm-i386.h, config/i860/xm-i860.h,
3581 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3582 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3583 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3584 Delete (empty except comments, #includes of other deleted
3585 files, and macros used nowhere).
3587 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3589 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3590 independent on TARGET_FLAGS.
3592 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3594 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3596 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3598 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3600 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3601 LAST_REX_SSE_REG): define.
3602 (enum reg_class): Add 'LEGACY_REGS'
3603 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3604 (SSE_REGNO_P): Recognize extended registers.
3605 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3606 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3607 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3608 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3609 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3610 REG_OK_FOR_STRREG_P): Remove.
3611 (HI_REGISTER_NAMES): Add extended registers.
3612 (ADDITIONAL_REGISTER_NAMES): Likewise.
3613 (QI_REGISTER_NAMES): Add 8bit extended registers.
3614 (DEBUG_REG): Support extended registers.
3615 * i386.c (regclass_map): Add extended registers.
3616 (dbx_register-map): Likewise.
3617 (svr4_dbx_register_map): Likewise.
3618 (print_reg): Support extended registers.
3619 (print_operand): Support 64bit operands.
3621 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3623 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3624 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3625 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3626 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3627 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3628 STACK_BOUNDARY): Set properly for 64bits.
3629 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3630 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3631 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3632 (MOVE_MAX): Set to 16.
3633 (MOVE_MAX_PIECES): 8 for 64bit.
3634 (Pmode): Set to SImode.
3636 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3638 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3640 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3642 * i386.h (mask_64bit): New constant.
3643 (target_64bit): New macro.
3644 (target_options): Add '64'/'32'
3645 (target_default): Define.
3646 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3647 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3648 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3650 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3652 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3654 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3656 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3657 LO_SUM unless for_alias is set.
3659 2001-03-08 Stan Shebs <shebs@apple.com>
3661 * objc/objc-act.c: Fix old typos in comments, add comments for
3663 (hash_init): Fix file name in error message.
3664 (hash_enter): Ditto.
3665 (hash_add_attr): Ditto.
3666 (continue_class): Ditto.
3668 2001-03-08 Bruce Korb <bkorb@gnu.org>
3670 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3671 wait4() can receive the signal.
3673 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3675 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3677 * fixinc/fixincl.x: Regenerate.
3679 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3681 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3683 * fixinc/fixincl.x: Regenerate.
3685 2001-03-08 Richard Henderson <rth@redhat.com>
3687 * configure.in (HAVE_AS_LEB128): New assembler check.
3688 * configure, config.in: Rebuilt.
3690 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3692 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3695 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3697 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3698 references to the MAXPATHLEN macro.
3700 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3701 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3704 * config/i386/xm-gnu.h, config/xm-gnu.h,
3705 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3706 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3707 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3708 and/or unused files.
3710 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3711 doing so in various xm-*.h files.
3713 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3715 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3717 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3719 * configure.in (enable_shared): Support per-package shared-library
3721 * configure: Rebuilt.
3723 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3725 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3726 for crnot. Set operands[5] in splitter.
3728 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3730 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3731 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3732 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3733 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3734 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3735 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3736 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3739 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3740 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3741 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3742 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3743 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3744 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3745 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3746 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3747 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3748 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3749 Delete unused and/or empty files.
3751 * config.gcc: Define USG in xm_defines as appropriate. Define
3752 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3753 macro. Remove deleted xm-* files from $xm_files variable.
3755 2001-03-07 Tom Tromey <tromey@redhat.com>
3757 * configure: Rebuilt.
3758 * configure.in: Allow config-lang.in to set `lang_requires' to list
3759 of other required languages.
3761 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3763 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3765 (output_prologue): Use xmalloc not oballoc.
3766 (output_epilog): Free a29k_first_epilogue_insn when finished.
3767 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3769 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3771 * builtins.c (expand_builtin_mathfn): Check
3772 flag_unsafe_math_optimizations, not flag_fast_math.
3773 (expand_builtin): Likewise
3774 * combine.c (combine_simplify_rtx): Likewise.
3775 (simplify_if_then_else): Likewise.
3776 * cse.c (fold_rtx): Likewise.
3777 * flags.h: Remove flag_fast_math. Add
3778 flag_unsafe_math_optimizations and flag_trapping_math.
3779 * fold-const.c (negate_expr): Check
3780 flag_unsafe_math_optimizations, not flag_fast_math.
3781 (invert_truthvalue): Likewise.
3782 (fold): Likewise. Before associating operands, check that
3783 code == MULT_EXPR, not code != MULT_EXPR.
3784 * ifcvt.c (noce_try_minmax): Check
3785 flag_unsafe_math_optimizations, not flag_fast_math.
3786 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3787 * invoke.texi: Document -funsafe-math-optimizations and
3788 -fno-trapping-math. Change documentation for -ffast-math.
3789 * jump.c (reversed_comparison_code_parts): Likewise.
3790 (rtx_equal_for_thread_p): Likewise.
3791 * optabs.c (emit_conditional_move): Likewise.
3792 * simplify-rtx.c (simplify_binary_operation): Likewise.
3793 (simplify_relational_operation): Likewise.
3794 (simplify_ternary_operation): Likewise.
3795 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3796 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3797 Add trapping-math and unsafe-math-optimizations entries to f_options.
3798 (set_fast_math_flags): New, sets flags for -ffast-math.
3799 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3800 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3801 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3803 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3804 (alpha_emit_conditional_move): Initialize local_fast_math to
3805 flag_unsafe_math_optimizations, not flat_fast_math.
3806 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3807 instead of setting flag_fast_math to 1.
3808 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3810 * config/i386/i386.c (override_options): Likewise
3811 * config/i386/i386.md: Likewise.
3812 * config/m68k/m68k.md: Likewise.
3813 * config/mips/mips.md: Likewise.
3814 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3815 (rs6000_generate_compare): Likewise.
3817 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3819 * Makefile.in: Set RANLIB to @RANLIB@.
3822 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3824 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3825 * fixinc/fixincl.x: Regenerated.
3827 2001-03-07 Richard Henderson <rth@redhat.com>
3829 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3831 2001-03-07 Richard Henderson <rth@redhat.com>
3833 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3834 of block notes and exception handling notes.
3836 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3837 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3838 (compile_file): ... here.
3840 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3842 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3844 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3845 config.h now. Include libiberty.h to handle alloca.
3847 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3849 * c-parse.in (yylexname): New function, split out of _yylex.
3850 (objc_rid_sans_at): New table.
3851 (init_reswords): Initialize it.
3852 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3853 retrieving the next token and checking it for significance as
3854 an ObjC keyword or string constant.
3856 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3857 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3859 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3862 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3864 * config/m68k/m68k.c (const_uint32_operand): Accept any
3865 const_int on a 32-bit host.
3867 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3869 * objc/objc-act.c (init_objc): Set save_lang_status,
3870 restore_lang_status, and mark_lang_status.
3872 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3874 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3876 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3878 * cppinternals.texi: Update.
3880 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3882 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3883 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3884 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3885 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3886 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3887 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3888 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3889 config/i386/xm-i386.h, config/i860/xm-i860.h,
3890 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3891 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3892 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3893 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3894 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3895 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3896 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3897 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3898 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3899 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3900 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3901 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3902 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3903 match the defaults provided in hwint.h.
3905 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3906 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3908 * config.gcc (xm_file): Don't set to files which are deleted.
3910 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3911 guard this file against these macros being undefined.
3913 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3915 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3916 and DECL_DEFER_OUTPUT on the decl we create, before calling
3917 rest_of_decl_compilation.
3919 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3921 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3923 * configure, config.in: Regenerate.
3924 * config.gcc: Remove references to deleted files.
3926 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3927 genrecog.c, rtl.c: Do not use alloca anywhere.
3929 * Makefile.in, build-make, system.h, config/x-interix,
3930 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3931 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3932 config/arc/xm-arc.h, config/arm/xm-arm.h,
3933 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3934 config/h8300/xm-h8300.h, config/i370/x-oe,
3935 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3936 config/i386/x-ncr3000, config/i386/x-sco5,
3937 config/i386/xm-dgux.h, config/i860/x-sysv4,
3938 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3939 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3940 config/m68k/x-hp320g, config/m69k/x-mot3300,
3941 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3942 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3943 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3944 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3945 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3946 config/mips/x-iris, config/mips/x-iris3,
3947 config/mips/x-sni-svr4, config/mips/x-sysv,
3948 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3949 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3950 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3951 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3952 config/pa/xm-papro.h, config/romp/xm-romp.h,
3953 config/rs6000/x-aix31, config/rs6000/x-aix41,
3954 config/rs6000/x-beos, config/rs6000/x-lynx,
3955 config/rs6000/x-mach, config/rs6000/x-rs6000,
3956 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3957 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3958 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3959 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3960 config/vax/xm-vms.h: Eradicate all references to alloca and
3963 * config/xm-alloca.h, config/clipper/x-clix,
3964 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3965 config/i860/x-sysv3, config/m88k/x-sysv3,
3966 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3967 (contained only alloca related hacks).
3969 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3972 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3974 * invoke.texi: Document __FAST_MATH__.
3976 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3978 * crtstuff.c: Restore include of auto-host.h.
3980 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3982 Put main() in a separate file, so that the language
3983 front-end can use a different main().
3986 * toplev.c: (main): Rename as toplev_main.
3987 * toplev.h: Declare toplev_main.
3988 * Makefile.in (OBJS): add toplev.o.
3989 (BACKEND): remove toplev.o, add main.o.
3991 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3993 * cppfiles.c (search_from): Special case the empty string.
3995 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3997 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3998 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3999 strlen or strcpy; we already know the length.
4000 (_cpp_compare_file_date): Similarly.
4001 * cpphash.h (struct cpp_reader): Delete done_initialising.
4002 (CPP_PREV_BUFFER): Delete.
4003 * cppinit.c (cpp_start_read): Don't set done_initialising.
4004 * cpplex.c (parse_string): Guarantee null-termination.
4005 (_cpp_equiv_toklists): Remove.
4006 * cpplib.c (glue_header_name): Null-terminate.
4007 (do_line): Don't leak memory.
4008 * cpplib.h (BT_WEAK): Delete.
4009 * cppmain.c (cb_ident): Strings are now null-terminated.
4011 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4013 * gcc.c (convert_filename): Append executable suffix
4014 if NO_AUTO_EXE_SUFFIX is not defined.
4015 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4016 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4018 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4020 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4021 * c-parse.gperf, c-gperf.h: Delete.
4022 (c-gperf.h was accidently re-added to the CVS repo in the rev
4023 1.16 commit by tromey)
4025 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4027 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4028 macro arguments when looking for the '('.
4029 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4030 2 when really parsing arguments; 1 when looking for '('.
4031 Always restore the lexer position.
4033 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4035 * longlong.h (umul_ppmm): Don't use a multiline string.
4037 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4039 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4040 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4041 t_bool in declaration because pcc can't combine volatile with typedef
4044 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4046 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4047 until when it is really needed.
4048 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4049 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4050 * i386.md (float?i?f splitter): Don't force source operand to memory
4052 (sse_movdfcc): Fix constraint.
4053 (sse_movdfcc splitter): Handle properly the second alternative.
4055 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4057 * cpplex.c (parse_string): Unconditionally pedwarn.
4059 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4062 * cppexp.c (parse_number): Update.
4063 * cpplex.c (parse_string): Pedwarn if multiline string does not
4064 result from a system header's macro.
4065 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4066 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4067 for function-like macros too.
4068 * c-lex.c (lex_number): Update.
4070 2001-03-03 Richard Henderson <rth@redhat.com>
4072 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4074 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4076 * combine.c (try_combine): If split with mode-changed scratch
4077 register didn't work, try the original mode.
4079 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4081 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4082 * config/c4x/c4x.h: Likewise.
4083 * stor-layout.c (compute_record_mode): Likewise.
4084 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4086 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4088 * configure.in: Kill tm.h. Include the files in the $tm_file
4089 list in all three of config.h, hconfig.h, tconfig.h, after the
4090 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4091 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4092 * configure: Regenerate.
4093 * Makefile.in (clean): Don't delete tm.h.
4095 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4096 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4097 those are not defined, set SEC and FEC to 0 and 1.
4098 * gcc.texi: Update to match.
4100 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4101 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4102 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4103 Include tconfig.h, not tm.h.
4105 * config/xm-lynx.h, config/xm-std32.h,
4106 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4107 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4108 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4109 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4110 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4111 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4112 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4113 config/i386/xm-i386.h, config/i860/xm-i860.h,
4114 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4115 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4116 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4117 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4118 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4119 config/pa/xm-linux.h, config/pa/xm-pa.h,
4120 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4121 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4122 config/pj/xm-pj.h, config/romp/xm-romp.h,
4123 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4124 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4125 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4126 config/v850/xm-v850.h, config/vax/xm-vax.h,
4127 config/we32k/xm-we32k.h:
4129 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4131 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4132 config/i370/xm-oe.h: Don't include tm.h. Don't define
4134 * config/vax/xm-vms.h: Don't include tm.h.
4136 * config/xm-lynx.h, config/avr/xm-avr.h,
4137 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4138 Delete; made empty by above changes.
4139 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4140 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4141 Don't include config/xm-lynx.h or tm.h.
4143 * config/xm-gnu.h: Don't include fcntl.h.
4144 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4146 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4148 2001-03-02 Richard Henderson <rth@redhat.com>
4150 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4151 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4153 2001-03-02 Richard Henderson <rth@redhat.com>
4155 * Makefile.in (OBJS): Add dwarf2asm.o.
4156 * dwarf2asm.c, dwarf2asm.h: New files.
4157 * dwarf2out.c (*): Use them.
4158 (size_of_uleb128, size_of_sleb128): Remove.
4159 (output_uleb128, output_sleb128): Remove.
4160 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4161 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4162 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4163 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4164 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4165 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4166 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4167 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4168 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4169 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4170 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4171 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4172 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4173 (dwarf2out_frame_debug): Remove unused variables.
4174 (output_loc_operands): Don't abort on 8 byte constants if
4175 host integers are wide enough.
4176 (output_symbolic_ref): Remove.
4177 (size_of_die): Don't assume 4 byte host integers.
4178 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4180 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4181 something stupid with HOST_WIDE_INT to long truncation.
4182 [CONST_DOUBLE]: Likewise.
4184 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4185 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4186 * config/arm/unknown-elf.h: Likewise.
4187 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4188 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4189 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4190 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4191 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4192 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4193 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4194 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4195 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4196 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4197 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4198 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4200 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4202 * cselib.c (hash_rtx): Cast enums to unsigned int.
4204 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4206 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4207 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4209 * c-format.c (C_STD_VER): Cast to int for comparisons.
4210 (check_function_format): Cast various enums to int for &.
4211 (maybe_read_dollar_number): Likewise.
4212 (check_format_info): Likewise.
4213 (check_format_info_main): Likewise.
4214 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4215 (safe_from_p): Likewise.
4216 * varasm.c (const_hash): Cast enum to int for %.
4217 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4218 pcc enum problems with < and ++ operators.
4219 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4220 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4221 (regclass_init): Change enum class to int to iterate over reg_classes.
4222 * genrecog.c (merge_trees): Cast enums for comparison.
4223 * rtl.h (GET_CODE): Cast to enum rtx_code.
4224 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4225 (GET_MODE): Cast to enum machine_mode.
4226 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4227 (GET_NOTE_INSN_NAME): Cast enum to int.
4228 * tree.h (TREE_CODE): Cast to enum tree_code.
4229 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4230 * timevar.c (timevar_print): Change loop variable id from enum to
4232 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4233 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4234 * toplev.c (compile_file): Cast enum DFI to int.
4235 (decode_d_option): Likewise.
4237 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4239 * cppinit.c (append_include_chain): Mark "after" include file name list
4240 as a system directory.
4241 * cpp.texi: Document new behavior.
4243 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4245 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4247 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4249 * cppfiles.c (struct include_file): Update.
4250 (stack_include_file): Use search_from.
4251 (cpp_included, find_include_file): Update.
4252 (cpp_execute_include): Update. ptr->name may not be
4253 null terminated. Use the new search_from member variable
4255 (_cpp_compare_file_date): Similarly.
4256 (search_from): New function, similiar to actual_directory.
4257 (actual_directory): Delete.
4258 (remap_filename): Update. loc->name may not be null terminated.
4259 (struct file_name_list): Rename search_path. Update.
4260 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4261 search_from and dir.
4262 (struct cpp_reader): Remove actual_dirs.
4263 * cppinit.c (struct cpp_pending): Update for renamed objects.
4264 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4265 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4266 * cpplib.h (struct cpp_options): Similarly.
4268 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4270 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4271 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4272 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4273 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4274 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4275 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4276 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4277 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4278 config/i370/xm-oe.h, config/i386/xm-aix.h,
4279 config/i386/xm-i386.h, config/i386/xm-osf.h,
4280 config/i860/xm-i860.h, config/i960/xm-i960.h,
4281 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4282 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4283 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4284 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4285 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4286 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4287 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4288 config/pj/xm-pj.h, config/romp/xm-romp.h,
4289 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4290 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4291 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4292 config/v850/xm-v850.h, config/vax/xm-vax.h,
4293 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4294 Do not define TRUE or FALSE.
4296 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4297 empty by above change.
4298 * config.gcc: Remove references to these files.
4300 * configure.in: Detect stdbool.h.
4301 * configure, config.in: Regenerate.
4302 * system.h: Include stddef.h here if available.
4303 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4304 Then set up a sensible boolean type at the very end.
4306 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4307 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4309 * hash.h: Delete 'boolean' typedef and related #undefs.
4311 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4312 all uses of 'boolean' with 'bool'.
4314 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4316 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4317 * cppexp.c (lex): Cast enums for comparison.
4318 * cppinit.c (parse_option): Cast enum for comparison.
4319 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4320 (cpp_output_token): Likewise.
4321 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4322 (cpp_avoid_paste): Cast enums for minus and comparison.
4324 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4326 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4327 field to all array elements.
4329 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4331 * cpphash.h (struct cpp_reader): Add print_version field.
4332 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4333 just set print_version and other flags as appropriate.
4334 (cpp_post_options): Print version here if print_version is set.
4336 * toplev.c (exit_after_options): New flag.
4337 (independent_decode_option): Don't exit here; just set
4339 (main): Exit after calling lang_hooks.post_options if
4340 exit_after_options is true.
4342 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4343 (merge_include_chains): Adjust comment to match code.
4345 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4347 * stringpool.c (set_identifier): New function.
4348 * tree.h: Prototype it.
4350 * c-parse.in: Kill D_YES. If compiled for objc, call
4351 save_and_forget_protocol_qualifiers from init_reswords.
4352 * objc/objc-act.c (remember_protocol_qualifiers,
4353 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4354 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4356 (save_and_forget_protocol_qualifiers): New function.
4357 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4359 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4361 * c-semantics.c (prune_unused_decls): Return error_mark_node
4362 instead of (tree) 1 to stop traversing the tree chain.
4364 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4366 Fix a problem introduced by Kenner's Feb 18 change.
4367 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4368 flag_cse_skip_blocks only temporarily, not for ever.
4370 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4372 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4373 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4375 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4376 before determining its register class.
4378 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4380 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4381 from reg 4 if current_function_calls_setjmp.
4382 (gen_nop_type): New function.
4383 (ia64_emit_nops): New function.
4384 (ia64_reorg): Call it.
4385 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4387 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4388 code not to try to optimize adds with anything but a REG destination.
4390 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4391 (INSN_PRIORITY_KNOWN): New accessor macro.
4392 * haifa-sched.c (priority): Use it instead of testing priority against
4395 2001-02-28 DJ Delorie <dj@redhat.com>
4397 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4398 since that doesn't work the way gcc wants on a generic m68k.
4400 2001-02-28 Richard Henderson <rth@redhat.com>
4402 * caller-save.c (save_call_clobbered_regs): Fix typo in
4403 comparison last change.
4405 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4407 * i386.c (pentium4_cost): New.
4408 (m_PENT4): New macro.
4409 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4410 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4411 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4412 x86_memory_mismatch_stall): Add Pentium4
4413 (x86_use_q_reg, x86_use_any_reg): Kill.
4414 (override_options): Add pentium4.
4415 (incdec_operand): Return 0 for pentium4.
4416 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4417 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4418 (TARGET_PENTIUM4): Define.
4419 (enum processor_type): Add PROCESSOR_PENTIUM4.
4420 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4421 * i386.md (attribute "cpu"): Add pentium4.
4422 * invoke.texi (march): Add pentium4.
4424 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4426 * i386.md (sse_mov?fcc*): New patterns and splitters.
4427 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4428 the SSE based conditional moves.
4430 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4432 * i386.md (attribute mode): Add "TI".
4433 (movsf_1): Add pxor support; remove constant propagation splitter.
4434 (movdf_integer): Likewise.
4435 (movdf_nointeger): Likewise.
4436 (movxf constant prop splitter): Handle all modes; update for SSE.
4437 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4438 * i386.c (standard_80387_constant_p): Rewrite.
4439 (standard_sse_constant_p): New.
4440 * i386-protos.h (standard_sse_constant_p): New.
4442 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4444 * i386.md (sse_setccsf, sse_setccdf): New.
4445 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4447 * i386.c (sse_comparison_operator): Accept the supported unordered
4448 comparses; be ready for fast_math.
4449 (print_operand): Support 'D'.
4451 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4453 * jump.c (reversed_comparison_code): Kill.
4455 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4457 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4460 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4462 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4463 add missing '%' in constraints.
4465 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4467 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4468 for HOST_BITS_PER_WIDE_INT == 32 too.
4470 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4472 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4474 (insert_save, insert_restore): New parameter save_mode.
4475 (init_caller_save): Update initialization of reg_save_code
4476 and reg_restore_code.
4477 (save_call_clobbered_regs): Compute save_modes and update calls to
4478 reg_save_code and reg_restore_code.
4479 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4480 of spill; update use of reg_restore_code.
4481 (insert_save): Likewise.
4482 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4483 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4484 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4486 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4488 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4489 noce_try_store_flag_inc, noce_try_store_flag_mask,
4490 noce_try_cmove_arith):
4491 Use reversed_comparison_code instead of reverse_comparison and
4492 can_reverse_comparison_p.
4494 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4496 * jump.c (reversed_comparison_code_parts): Allow reversal of
4497 unordered compares in -ffast-math mode; reverse ordered compares
4498 for FP even w/o -ffast-math.
4500 2001-02-27 Richard Henderson <rth@redhat.com>
4502 * print-rtl.c (print_rtx) [i]: Don't print field five on
4503 NOTEs other than NOTE_INSN_DELETED_LABEL.
4505 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4507 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4508 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4510 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4512 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4513 even if walk_subtrees is 0.
4514 * c-semantics.c (prune_unused_decls): Return a non-null value to
4515 stop traversing the tree chain.
4517 2001-02-27 DJ Delorie <dj@redhat.com>
4519 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4520 register, *then* define it as the new CFA.
4522 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4524 * pa.c (override_options): Promote -fpic to -fPIC.
4525 (legitimize_pic_address): Simplify due to removal of
4526 small PIC as a code generation option.
4527 (secondary_reload_class): Similarly.
4528 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4529 (PRINT_OPERAND_ADDRESS): Similarly.
4530 * pa.md (various patterns): Similarly.
4531 (small pic lo_sum pattern): Remove.
4533 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4536 * md.texi (min, max): Document
4538 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4540 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4541 TARGET_PARTIAL_REG_DEPENDENCY.
4542 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4544 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4546 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4548 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4550 * mips.c (mips_make_temp_file): Fix thinko in last change.
4552 2001-02-26 Jason Eckhardt <jle@redhat.com>
4554 * combine.c (known_cond): Do not reverse the condition when
4555 SMAX/UMAX is being considered and the condition is for equality
4558 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4560 2001-02-26 Philip Blundell <philb@gnu.org>
4562 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4564 * config/arm/linux-elf.h: Remove historical relics related to
4565 above configurations.
4566 * config/arm/linux-oldld.h: Delete.
4567 * config/arm/linux-elf26.h: Delete.
4569 2001-02-26 Jason Merrill <jason@redhat.com>
4571 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4573 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4574 recognize a tentative definition. Lose obsolete code.
4576 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4577 variables unless necessary, either.
4579 2001-02-25 Richard Henderson <rth@redhat.com>
4581 * ifcvt.c (struct noce_if_info): Add test_bb.
4582 (noce_get_alt_condition): New.
4583 (noce_try_minmax, noce_try_abs): New.
4584 (noce_operand_ok): New.
4585 (noce_process_if_block): Use them.
4586 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4588 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4590 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4593 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4595 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4596 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4598 (mips_asm_file_end): Free temp_filename here.
4600 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4602 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4603 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4605 * config/i386/i386.md (movstrsi): Handle FAIL case.
4607 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4609 * cppinit.c (builtin_array): Update.
4610 (init_builtins): Flag builtins to warn if redefined or
4611 undefined. Define __GXX_WEAK as a normal macro.
4612 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4613 * cpplib.h (NODE_WARN): New flag.
4614 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4615 Handle __STDC__ as a builtin only on Solaris.
4616 (warn_of_redefinition): Renamed from check_macro_definition.
4617 Reverse sense of test. Always warn if NODE_WARN.
4618 (_cpp_create_definition): Use warn_of_redefinition. Flag
4619 any macro beginning with "__STDC_" to require a mandatory
4620 warning if redefined or undefined.
4622 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4624 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4625 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4626 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4627 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4628 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4629 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4630 Don't define any of:
4631 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4632 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4633 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4634 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4635 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4637 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4638 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4641 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4642 Delete now-empty file.
4644 * alpha/vms.h: Define NEED_ATEXIT here...
4645 * alpha/xm-vms.h: ...not here.
4647 * i386/cygwin.h: Don't define PARAMS.
4648 * mips/mips.c: Don't prototype mktemp. Don't define
4649 P_tmpdir. Use make_temp_file to create temporary files.
4650 Don't be clever and delete temporary files early.
4651 * config.gcc: Drop references to deleted files. Don't define
4653 * gcc.texi: Don't mention USE_PROTOTYPES.
4655 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4657 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4658 (ix86_set_move_mem_attrs_1): Likewise.
4659 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4660 * config/i386/i386.md (movstrsi): Call it.
4662 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4664 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4665 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4666 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4667 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4669 (i750a-*-*): Error here if hosting on i750a.
4670 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4672 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4673 Remove (empty modulo comments).
4675 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4676 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4677 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4678 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4679 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4680 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4682 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4683 Remove reference to winnt.h in comment.
4684 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4686 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4688 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4689 used to set another biv.
4691 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4693 * tree.h (BLOCK_DEAD): New macro.
4694 (struct tree_block): New flag, dead_flag.
4695 * print-tree.c (print_node, case 'b'): Print missing fields.
4696 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4697 * function.c (identify_blocks): Enable test for misplaced notes.
4698 (all_blocks): Skip BLOCK_DEAD blocks.
4699 * integrate.c (integrate_decl_tree): Likewise.
4701 * errors.c (internal_error, trim_filename): New functions.
4702 (fancy_abort): Call internal_error.
4703 * errors.h (internal_error, trim_filename): New declarations.
4705 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4707 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4709 (EXTRA_CONSTRAINT): Formatting changes.
4711 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4713 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4715 2001-02-23 Per Bothner <per@bothner.com>
4717 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4718 so they can be called from java/jvspec.c.
4719 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4721 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4723 * i386.c (ix86_frame): New structure.
4724 (ix86_compute_frame_size): Kill.
4725 (ix86_compute_frame_layout): New.
4726 (ix86_save_reg): New.
4727 (ix86_can_use_return_insn_p): Use frame layout stuff.
4728 (ix86_expand_prologue): Likewise.
4729 (ix86_expand_epilogue): Likewise.
4730 (ix86_initial_elimination_offset): Likewise.
4731 (ix86_nsaved_regs): Use ix86_save_reg.
4732 (ix86_emit_save_regs): Likewise.
4734 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4736 * flow.c (find_sub_basic_blocks): New function.
4737 (split_block): Be ready for basic block introduced by CODE_LABEL.
4738 (commit_one_edge_insertion): Call find_sub_basic_block.
4740 * flow.c (make_edges): Add edge from entry for blocks starting with
4741 label having ALTERNATE_NAME
4743 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4745 * function.c (epilogue_done): Be ready for first basic block not
4746 containing PROLOGUE_END note.
4747 (reposition_prologue_and_epilogue_notes): Avoid placing
4748 PROLOGUE_END note between BASIC_BLOCK.
4750 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4752 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4754 2001-02-21 DJ Delorie <dj@redhat.com>
4756 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4757 check for current_function_has_nonlocal_goto from 1999-11-12.
4759 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4761 * diagnostic.c (trim_filename): No longer static.
4762 * toplev.h (trim_filename): Declare.
4763 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4764 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4765 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4766 (rtvec_check_failed_bounds): Likewise.
4767 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4769 * convert.c (convert_to_integer): Don't do unsigned unless result or
4770 both inputs are unsigned.
4772 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4775 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4777 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4779 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4781 * Makefile.in (resource.o): Add params.h dependence.
4782 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4783 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4784 * resource.c: Add dependence on params.h.
4785 (current_live_regs): Fix explanatory comment.
4786 (find_basic_block): Add new parameter to permit limiting search
4788 (mark_target_live_regs): Add new argument to find_basic_block call.
4789 (incr_ticks_for_insn): Likewise.
4791 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4793 * diagnostic.c (output_to_stream): Rename to
4794 output_buffer_to_stream. Loses the stream parameter.
4795 (init_output_buffer): Set diagnosic_buffer's stream.
4796 (flush_diagnostic_buffer): Adjust.
4797 (default_print_error_function): Likewise.
4798 (finish_diagnostic): Likewise.
4799 (verbatim): Likewise.
4801 * diagnostic.h (struct output_buffer): Add `stream' field.
4802 (output_buffer_attached_stream): New macro.
4804 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4806 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4807 check if either operand is divisible by C.
4808 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4809 If type is signed, consider negative numbers as well.
4811 2001-02-22 Richard Henderson <rth@redhat.com>
4813 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4814 reach .text instead of gp-relative relocs.
4815 * config/ia64/crtend.asm (.init): Likewise.
4817 2001-02-22 Andreas Jaeger <aj@suse.de>
4819 * extend.texi (C++ Attributes): Fix typo.
4821 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4823 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4824 functions, drop current_function_args_info.words test.
4825 (ia64_compute_frame_size): Mark syscall_linkage functions as
4826 using eight input registers.
4828 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4829 Bruce Korb <bkorb@gnu.org>
4831 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4832 * fixinc/README: Document how to convert sed substitutions
4833 to format style c_fix-es.
4834 * fixinc/fixincl.x: regen
4836 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4838 * gcc.c: Add comment explaining how to add a command-line option.
4839 Add title to specs language comment.
4841 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4843 * gcc.c (cc1_options): Add "-param".
4844 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4845 (option_map): Likewise.
4846 * toplev.c (display_help): Add entry for "--param".
4847 (independent_decode_option): Fix typographical error.
4849 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4850 Bernd Schmidt <bernds@redhat.com>
4851 Jan Hubicka <jh@suse.cz>
4853 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4854 (function_arg): Likewise.
4856 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4858 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4860 2001-02-21 Kazu Hirata <kazu@hxi.com>
4862 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4866 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4868 * flow.c (init_propagate_block_info): Canon address and use single_set
4869 for killing dead memory stores.
4871 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4873 * Makefile.in (reorg.o): Add params.h dependence.
4874 * params.def: Fix typographical error in comment.
4875 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4876 * params.h: Modify introductory comment.
4877 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4878 * reorg.c: Add dependence on params.h.
4879 (redundant_insn): Add parameterized throttle for search.
4880 (fill_simple_delay_slots): Add a comment explaining a variable.
4881 Move conditional out of loop, simplifying code.
4882 (fill_eager_delay_slots): Fix typographical error in comment.
4884 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4886 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4888 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4889 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4891 2001-02-21 Jason Merrill <jason@redhat.com>
4893 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4894 (struct tree_decl): Add uninlinable bitfield.
4895 * c-decl.c (duplicate_decls): Set it.
4896 * integrate.c (function_cannot_inline_p): Check it.
4898 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4899 DW_AT_MIPS_linkage_name to abstract methods.
4900 (dwarf2out_abstract_function): Emit class context before calling
4901 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4902 (gen_subprogram_die): Remove obsolete code.
4903 (gen_member_die): Don't include clones in the member list.
4904 (gen_decl_die): Emit abstract info for clone origin.
4905 * dwarfout.c (output_type): Don't include clones in the member list.
4906 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4907 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4908 DECL_ABSTRACT on a function that already has it set.
4910 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4911 (get_subprogram_die): Pass it in.
4913 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4915 * flow.c (mark_set_1): Make not_dead unsigned long. For
4916 non-pseudos, use it as a bitmask of the hard regs that
4919 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4921 * cppfiles.c: Update comments.
4922 (_cpp_read_file): Don't check for NULL filenames any more.
4923 * cppinit.c (cpp_start_read): Don't do canonicalization of
4924 in_fname and out_fname. Use the passed file name exclusively.
4925 (_cpp_handle_options): Don't treat "-" as a command line option,
4926 but as a normal filename.
4927 (_cpp_post_options): Canonicalize in_fname and out_fname.
4928 * cppmain.c (printer_init): Don't check out_fname for NULL.
4929 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4930 (init_c_lex): Update, and use "" to represent stdin to CPP.
4933 2001-02-20 Will Cohen <wcohen@redhat.com>
4935 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4936 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4937 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4940 2001-02-20 Stan Shebs <shebs@apple.com>
4942 * config/rs6000/rs6000.c (output_cbranch): Output branches
4943 on separate lines instead of using ';' to separate.
4945 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4947 * cppinit.c (set_lang): Move builtin handling to...
4948 (init_builtins): ...here.
4949 (_cpp_create_reader): Move call to set_lang.
4951 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4953 * stmt.c (expand_return): If an attempt is made to return the
4954 error_mar_node, treat the return like a return without a value.
4956 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4958 * sibcall.c (skip_copy_to_return_value): Call
4959 identify_call_return_value here, and return orig_insn if it
4960 returns zero. Hardret and softret arguments now unnecessary.
4961 (call_ends_block_p): Don't call identify_call_return_value here.
4963 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4965 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4966 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4968 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4970 * pa.c (move_operand): Accept code to load the address of a
4971 symbol out of the DLT as a valid move operand.
4972 (print_operand, case 'A'): New to handle generating a DLT
4973 reference for a LO_SUM expression.
4974 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4975 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4977 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4979 * README, cpp.texi, gcc.texi, version.c: Update version number to
4981 * cpp.1, gcov.1, gcc.1: Regenerate.
4983 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4985 * cppfiles.c (stack_include_file): Generate dependencies
4986 here, and manage include_count here too.
4987 (PRINT_THIS_DEP): Delete.
4988 (_cpp_execute_include): Do not generate dependencies here,
4989 apart from the case of a missing header. Do not manage
4991 (_cpp_read_file): Leave dependency generation to
4994 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4996 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4997 target_cpu_default. Remove dead assignment to
5000 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5002 * regclass.c (contains_reg_of_mode): Make global.
5003 (init_reg_sets): Remove contains_reg_of_mode; take into account
5004 CLASS_MAX_NREGS when looking for the proper mode.
5005 (dump_regclass): Dump only classes considered for the pseudo.
5006 (regclass): Use contains_reg_of_mode.
5008 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5010 * gcc.c (do_spec_1): 'n' for printing notices.
5011 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5013 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5015 * reg-stack.c (next_flags_user): Use current_block->end
5016 (swap_rtx_condition): Look for next user if flags don't die;
5017 give up on CALL_INSNs; use current_block->end.
5019 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5021 * sibcall.c (call_ends_block_p): New function.
5022 (optimize_sibling_and_tail_recursive_call): Use it.
5024 2001-02-18 Kazu Hirata <kazu@hxi.com>
5026 * config/h8300/h8300.md: Update copyright.
5027 (andsi3): Do not output an extra newline character.
5029 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5031 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5032 FNDECL may be unused.
5034 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5035 follow jumps after first run.
5036 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5037 it doesn't change any jumps.
5039 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5041 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5042 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5043 (mostlyclean): Corresponding changes.
5044 * rtlanal.c (hard-reg-set.h): Include.
5045 (rtx_unstable_p): Do not treat the argument pointer specially
5046 if it is not a fixed register.
5047 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5049 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5051 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5052 against last real insn in basic block.
5053 Rework to avoid gotos.
5055 * Makefile.in (gcse.o): Now includes ggc.h.
5056 * gcse.c: Include ggc.h.
5057 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5058 (try_replace_reg): Remove warning of uninitialize variable.
5059 (process_insert_insn): Call invalid_insn_p to validate insn.
5060 * recog.c (insn_invalid_p): Now global.
5061 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5062 * recog.h (insn_invalid_p): New declaration.
5064 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5066 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5067 assignments from FP constants since 'Y' output code can't handle it.
5068 (eligible_for_sibcall_delay): Likewise.
5070 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5071 Call fancy_abort directly, passing args.
5072 (print_rtl_and_abort): Now a macro, like fancy_abort.
5074 * final.c (output_operand_lossage): Use internal_error, not error.
5076 2001-02-18 Shane Nay <shane@agendacomputing.com>
5078 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5079 structure shift insns.
5081 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5083 * invoke.texi (-fsquangle): Remove documentation.
5084 (-fname-mangling-version): Likewise.
5086 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5088 * optabs.c (expand_abs): Remove reference to
5089 HAVE_contitional_arithmetic.
5090 * combine.c (simplify_set): Likewise.
5092 2001-02-18 Richard Henderson <rth@redhat.com>
5094 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5097 2001-02-18 Richard Henderson <rth@redhat.com>
5099 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5101 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5103 * reload1.c (reload_cse_simplify_set): Fix typo.
5105 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5107 * diagnostic.c (_fatal_insn): Decrement errorcount.
5109 * invoke.texi (-I): Add note avoiding use for system header files.
5111 * rtl.h (add_clobbers): Remove duplicate declaration.
5112 * recog.h (added_clobbers_hard_reg_p): New declaration.
5113 * genemit.c (struct clobber_pat): New field has_hard_reg.
5114 (gen_insn): Record if added clobbers clobber hard reg.
5115 (gen_split): Avoid unused warning if number of operands is 0.
5116 (output_added_clobbers_hard_reg_p): New function.
5119 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5121 * pa.c (hppa_expand_prologue): Simplify code storing return
5122 pointer. For large (>=8k) frames with a post_store, adjust stack
5123 pointer by 8k-64 first rather than by 64. When testing with
5124 VAL_14_BITS_P, always use the actual value rather than the value
5125 negated. Add blockage to prevent scheduling of spills before
5126 stack frame has been created.
5127 (hppa_expand_epilogue): Simplify code loading return pointer.
5128 Allow a slightly larger range for merge_sp_adjust_with_load case.
5129 When testing with VAL_14_BITS_P, always use the actual value.
5131 * pa.c (pa_adjust_insn_length): Check that block move
5132 pattern is a set before looking at operands.
5134 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5136 * fold-const.c (fold_binary_op_with_conditional_arg): New
5137 function, split out from ...
5139 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5140 conditional arms that throw exceptions.
5142 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5145 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5147 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5148 define HAVE_DECL_* to 1 to mask potential backup declarations.
5149 * configure: Regenerated.
5151 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5153 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5155 2001-02-17 Richard Henderson <rth@redhat.com>
5157 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5158 when replacing a memory load with a register.
5160 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5161 Jan Hubicka <jh@suse.cz>
5163 * recog.c (validate_replace_src_1): New.
5164 (validate_replace_src_data): Likewise.
5165 (validate_replace_src): Use note_uses.
5166 * rtl.h (note_uses): Declare.
5167 * rtlanal.c (note_uses): New.
5169 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5171 * reg-stack.c (stack_def): Make field reg unsigned.
5172 (remove_regno_note): Unsignetize parameter.
5174 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5176 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5177 shladd_operand() call.
5179 2001-02-16 Bruce Korb <bkorb@gnu.org>
5180 Rodney Brown <RodneyBrown@mynd.com>
5182 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5183 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5184 machine restrictions
5185 * fixinc/fixincl.x: regen
5187 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5189 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5191 (hash_scan_insn): Clean up calls to hash_scan_set.
5192 (compute_kill_rd): REGNO now unsigned.
5193 (try_replace_reg): Rework to use simplify_replace_rtx.
5194 (cprop_jump, cprop_cc0_jump): Likewise.
5195 (cprop_insn): Call find_reg_equal_equiv_note.
5196 Reflect changes to cprop_jump and cprop_cc0_jump.
5198 * recog.c (validate_replace_src): Replace in operands of
5199 ZERO_EXTRACT in SET_DEST.
5201 * cse.c (new_label_ref): New variable.
5202 (insert): Set it instead of recorded_label_ref.
5203 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5204 CODE_LABEL for this function, and not already in REG_LABEL note.
5206 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5208 * resource.c (mark_referenced_resources): Fix typo in introductory
5210 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5213 2001-02-16 Jason Merrill <jason@redhat.com>
5215 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5217 (gen_subprogram_die): Don't abort on seeing a second definition if
5218 the previous one was abstract. Don't replace an abstract instance
5219 in the lookup table.
5221 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5222 gen_abstract_function.
5223 * dwarf2out.h: Declare it.
5224 * toplev.c (note_outlining_of_inline_function): New fn.
5225 * toplev.h: Declare it.
5226 * integrate.c (output_inline_function): Call it.
5227 * c-decl.c (duplicate_decls): Call it when redefining an extern
5228 inline. Don't inline the new defn.
5230 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5232 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5234 * .gdbinit: Rename to gdbinit.in.
5235 * gdbinit.in: New file,
5236 * configure.in: Generate .gdbinit from gdbinit.in.
5237 * configure: Regenerated.
5238 * Makefile.in (distclean): Always remove .gdbinit.
5240 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5242 * objc/objc-act.c (start_class): Register implemented_classes with
5245 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5247 * cppfiles.c (_cpp_make_system_header): Generate a file
5250 2001-02-15 Jim Meyering <meyering@lucent.com>
5252 * Makefile.in (install-common): Don't depend on installdirs here.
5253 Instead, make each of the lang.install-common targets (e.g.,
5254 c++.install-common in cp/Make-lang.in) depend on it.
5255 (install-driver): Depend on installdirs.
5257 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5259 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5261 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5264 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5266 * invoke.texi (--param): Document.
5268 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5270 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5272 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5274 * i386.md (extendsfdf2_2): Fix constraints.
5276 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5278 * i386.md (fop_df_3 splitter): Fix operand number.
5280 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5282 * invoke.texi (-mreg-alloc): Nuke.
5283 * i386.c (ix86_reg_alloc_order, regs_allocated,
5284 order_regs_for_local_alloc): Nuke.
5285 (override_options): Kill reg_alloc code.
5286 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5287 (REG_ALLOC_ORDER): SSE goes before I387.
5288 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5289 (ix86_reg_alloc_order): Likewise.
5290 * i386-protos.h (ix86_reg_alloc_order): Kill.
5292 2001-02-14 Richard Henderson <rth@redhat.com>
5294 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5296 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5298 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5300 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5302 * i386-protos.h (ix86_memory_move_cost): Move offline.
5303 * i386.c (ix86_register_move_cost): Compute properly cost of
5304 SSE, MMX and i387 instructions.
5305 (*_cost): Add costs of SSE/MMX moves.
5306 (ix86_memory_move_cost): Move offline from ....; Likewise.
5307 * i386.h (MEMORY_MOVE_COST): .... here;
5308 (struct processor costs): Add new fields to represent costs
5311 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5313 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5314 move_cost together with Matt Kraai's fix.
5316 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5318 * Makefile.in (OBJS): Add params.o.
5320 2001-02-14 Richard Henderson <rth@redhat.com>
5321 DJ Delorie <dj@redhat.com>
5323 * jump.c (jump_optimize_1): When we delete a conditional jump
5324 preceeding a non-conditional jump to effectively the same place,
5325 make sure that the combined jump skips any clobber insns between
5328 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5330 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5332 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5334 * Makefile.in (toplev.o): Depend on params.h.
5335 (intergate.o): Likewise.
5336 (params.o): New target.
5337 * flags.h (inline_max_insns): Remove.
5338 * integrate.c: Include params.h.
5339 Use MAX_INLINE_INSNS instead of inline_max_insns.
5340 * params.c: New file.
5341 * params.h: Likewise.
5342 * params.def: Likewise.
5343 * toplev.c: Include params.h.
5344 (lang_independent_params): New variable.
5345 (decode_f_option): Use the param machinery instead of setting
5347 (independent_decode_option): Handle "--param name=value".
5348 (main): Register language-independent parameters.
5350 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5352 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5354 2001-02-14 Richard Henderson <rth@redhat.com>
5356 * regclass.c (init_reg_sets_1): Revert last two changes.
5358 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5360 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5361 (variable_size): Call put_pending_size.
5362 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5363 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5364 sizes list, put newly created SAVE_EXPR there as well.
5366 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5368 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5369 (errata_find_address_regs): load_group has only 2 entries.
5370 (errata_emit_nops): Likewise. shladd is not problematic.
5371 Clear last_group if nop was emitted.
5372 (fixup_errata): load_group has only 2 entries.
5375 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5377 * c-lex.c (lex_number): Only warn traditionally for U suffix
5378 outside system macros.
5379 * cppexp.c (parse_number): Similarly.
5380 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5381 * cppmacro.c (struct cpp_macro): New member node.
5382 (parse_args): Only warn about missing rest args if not
5384 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5385 (cpp_sys_objmacro_p): New.
5386 (_cpp_create_definition): Store the node with the macro defn.
5387 Remember if the macro is defined in a system header.
5389 2001-02-13 DJ Delorie <dj@redhat.com>
5391 * configure.in (check_languages): determine languages to check
5392 * Makefile.in (check-c++): alias for check-g++
5393 (check-f77): alias for check-g77
5394 (CHECK_TARGETS): depend on configured languages
5396 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5398 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5399 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5400 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5401 (sqrtextendsfdf2): Disable for SSE2.
5403 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5405 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5406 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5407 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5408 (sqrtextendsfdf2): Disable for SSE2.
5410 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5412 * i386.md (movsfcc_1): Support integer cmove instruction.
5413 (movdfcc_1): Likewise; new splitter.
5415 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5417 * i386.c (output_fp_compare): Support SSE.
5418 (prepare_fp_compare_args): SSE comparisons always support memory.
5419 * i386.h (TARGET_CMOVE): SSE imply cmove.
5420 * i386.md (cmp?f2): Enable for SSE too.
5421 (cmpfp_i*): Support SSE.
5423 (cmpfp_i_sse_only): New.
5424 (s*, b* fp expanters): Enable for SSE too.
5425 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5428 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5430 * regclass.c (init_reg_sets_1): Silence warning.
5432 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5434 * i386.md (sqrt?f2): Change to expander.
5435 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5437 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5439 * rtlanal.c (find_reg_equal_equiv_note): New function.
5440 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5441 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5442 * rtl.h: Add declarations for above functions.
5444 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5446 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5448 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5449 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5450 * flow.c (mark_regs_live_at_end): Likewise.
5451 (calculate_global_regs_live): Likewise.
5452 * gcse.c (compute_hash_table): Likewise.
5453 (compute_kill_rd): Likewise.
5454 * resource.c (mark_target_live_regs): Likewise.
5455 * rtl.h (INVALID_REGNUM): New macro.
5457 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5459 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5461 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5463 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5466 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5468 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5470 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5471 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5472 (fop_sf_1_sse, fop_df_1_sse): New patterns
5473 (fop_*): Disable float_extend and float patterns for SSE compilation.
5474 * i386.c (output_387_binary_op): Support SSE.
5476 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5478 * i386.md (dummy_extendsfdf2): Support SSE2
5479 (extendsfdf2): Enable if 80387 or SSE2.
5480 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5481 and no MIX_I387_SSE2
5482 (extendsfdf2_1_sse_only): New pattern.
5483 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5485 (truncdfsf2_1): Support SSE.
5486 (truncdfsf2_2): Support SSE.
5487 (truncdfsf2_2_1_sse): New pattern.
5488 (fixtruncsfsi2): Always use SSE if available.
5489 (fix_truncsfsi_sse): New pattern.
5490 (fix_truncdfsi_sse): New pattern.
5491 (floatsis?f2): Support SSE.
5492 (floatsidf2_i387): New pattern.
5493 (floatsidf2_sse): Likewise.
5495 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5497 * configure.in: Use "have_gnat" variable, not "gnat".
5498 * configure: Regenerated.
5500 * config/sparc/sparc.c (function_value): Treat all non-record
5501 aggregate types like used to treat UNION_TYPE.
5503 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5505 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5506 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5508 (MASK_MIX_SSE_I387): New.
5509 (TARGET_SSE): SSE2 imply SSE.
5510 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5511 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5512 (enum reg_class): Add new classes.
5513 (REG_CLASS_NAMES): Likewise.
5514 (REG_CLASS_CONTENTS): Likewise.
5515 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5516 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5517 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5518 (CLASS_MAX_NREGS): Use new macros.
5519 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5520 * i386.md (pushsf, movsf): Support SSE.
5521 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5522 splitters to use ANY_FP_REGNO_P.
5523 (movdf_nointeger, movdf_integer): Likewise.
5525 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5527 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5528 (try_combine): Use it.
5530 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5532 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5533 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5534 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5535 (REGISTER_MOVE_COST): Likewise.
5536 * i386-protos.h (ix86_secondary_memory_needed,
5537 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5538 * i386.c (ix86_secondary_memory_needed,
5539 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5541 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5543 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5544 (HARD_REGNO_MODE_OK): Move offline to ....
5545 * i386.c (ix86_hard_regno_mode_ok) ... here;
5546 refuse all incorrect modes.
5547 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5549 2001-02-13 Richard Henderson <rth@redhat.com>
5551 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5552 entire operator; replicate that and match_dup the operands.
5553 (cmp_ccx_arith_op_set): Likewise.
5554 (cmp_cc_arith_op_not_set): Likewise.
5555 (cmp_ccx_arith_op_not_set): Likewise.
5557 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5559 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5561 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5563 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5564 (TARGET_NO_BITFIELD_WORD): New macro.
5565 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5566 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5568 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5570 * cselib.c: New file, from simplify-rtx.c.
5571 * simplify-rtx.c: Remove cselib parts.
5572 * Makefile.in: Add cselib.o.
5574 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5576 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5577 (setup_incoming_varargs): Remove warning.
5579 * config/rs6000/rs6000.c (validate_condition_mode): When
5580 flag_fast_math, allow floating-point conditionals to be reversed.
5581 (rs6000_generate_compare): When flag_fast_math, don't generate
5582 cror operations for FP conditionals.
5584 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5586 (ASM_SPEC): Likewise.
5587 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5588 (CC1_SPEC): Likewise.
5589 (LINK_TARGET_SPEC): Likewise.
5590 (CPP_ENDIAN_SPEC): Likewise.
5591 * Makefile.in (check-consistency): New target.
5593 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5595 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5596 "return type defaults" warning for functions with return type
5598 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5599 function declarations by default rather than only when pedantic.
5601 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5603 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5606 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5608 * extend.texi (Deprecated): Deprecate new initializer lists.
5610 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5612 * mkdeps.c (deps_add_default_target): Robustify. Add
5613 basename component only.
5614 * cpp.texi (-M): Describe how default target is generated.
5615 * invoke.texi (-M): Likewise.
5617 2001-02-12 Kazu Hirata <kazu@hxi.com>
5619 * toplev.c (push_float_handler): Remove.
5620 (pop_float_handler): Remove.
5621 * toplev.h: Remove prototypes for the above functions.
5623 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5625 * c-common.c (constant_fits_type_p): New function.
5626 (convert_and_check): Use it.
5628 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5630 * Makefile.in (GXX_ABI_FLAG): Don't define.
5631 * configure.in (--enable-new-gxx-abi): Remove option.
5632 * config.in: Regenerated.
5633 * configure: Likewise.
5635 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5637 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5639 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5640 regular basic block, and arrange for all edges into it to switch
5643 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5645 * Makefile.in (distclean): Do not remove .gdbinit.
5647 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5649 * Makefile.in (gcc.o): Fix typos.
5650 (protize.o): Likewise.
5651 (unprotoize.o): Likewise.
5653 2001-02-11 Richard Henderson <rth@redhat.com>
5655 * tree.c (build1): Check for null operand in last change.
5657 2001-02-11 Richard Henderson <rth@redhat.com>
5659 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5660 (fold): Don't assume a constant isn't foldable.
5661 * tree.c (build): Set TREE_CONSTANT for an expression with no
5662 side-effects and constant operands.
5665 2001-02-10 Richard Henderson <rth@redhat.com>
5667 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5669 2001-02-10 Anthony Green <green@redhat.com>
5671 * cpp.texi (Standard Predefined): Add documentation for
5674 * c-common.c (combine_strings): Improve warning message.
5676 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5678 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5680 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5682 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5684 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5687 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5689 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5692 2001-02-09 Nick Clifton <nickc@redhat.com>
5694 * config/arm/arm.md: Change output contraint on post inc
5695 load/store multiple patterns to be a read/write contraint.
5697 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5699 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5700 .o files when using the -M options.
5702 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5703 David Edelsohn <edelsohn@gnu.org>
5705 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5706 handle DImode constants. Use one TOC entry for SImode and smaller
5707 constants, aligned properly.
5709 2001-02-08 Jason Merrill <jason@redhat.com>
5711 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5712 about the SP adjustment for saving the static chain pointer.
5713 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5714 offset when setting a temporary CFA register.
5716 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5718 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5719 powerpc-*-chorusos* .
5720 * config/rs6000/chorus.h : New file.
5721 * config/i386/chorus.h : New file.
5722 * config/sparc/chorus.h : New file.
5723 * config/sparc/t-chorus-elf : New file.
5725 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5727 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5728 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5729 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5730 (__WCHAR_TYPE__): Correct macro name.
5732 2001-02-08 Richard Henderson <rth@redhat.com>
5734 * config/i386/i386.c (ix86_frame_pointer_required): New.
5735 (ix86_setup_frame_addresses): New.
5736 (struct machine_funciton): Add accesses_prev_frame.
5737 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5738 ix86_frame_pointer_required.
5739 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5740 (SETUP_FRAME_ADDRESSES): New.
5741 * config/i386/i386-protos.h: Update.
5742 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5743 from FRAME_POINTER_REQUIRED.
5744 * config/i386/svr3gas.h: Likewise.
5745 * config/i386/sysv3.h: Likewise.
5746 * config/i386/v3gas.h: Likewise.
5748 2001-02-08 Richard Henderson <rth@redhat.com>
5750 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5751 calculation of the number of integer registers required.
5752 (function_arg_record_value): Likewise.
5754 2001-02-08 Jason Merrill <jason@redhat.com>
5756 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5757 two. Print file and line with "confused" message.
5759 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5761 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5763 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5765 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5767 * final.c (cleanup_subreg_operands): The address of a MEM can
5770 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5773 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5775 * gcc.texi (Incompatibilities): Update documentation of
5776 preprocessing numbers.
5778 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5780 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5782 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5784 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5786 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5787 * gcc.c (struct compiler): Add cpp_spec field.
5788 (input_file_compiler): New variable.
5789 (do_spec_1): Allow a particular compiler to handle `%C'
5791 (main): Store the current compiler in input_file_compiler.
5792 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5794 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5796 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5797 * cppinit.c (cpp_create_reader): Initialize them.
5798 (append_include_chain): cxx_aware arg might be unused.
5799 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5800 keywords and give them their phase 7 meaning. Pedwarn about
5801 this unless '__bool_true_false_are_defined' is defined.
5803 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5805 * lcm.c (optimize_mode_switching): Emit mode_set before the
5806 JUMP_INSN of an abnormal edge.
5808 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5810 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5811 a scheduling barrier at the end.
5813 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5815 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5817 * config/sh/sh.md (reload_outsf): Removed.
5818 (movsf_ie): Introduce constraints for FPUL loads and stores.
5819 (reload_insf): Broaden the output constraint.
5821 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5823 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5824 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5826 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5828 * final.c: Revert my previous changes.
5829 * output.h: Make profile_label_no extern.
5830 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5831 for generating label.
5833 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5835 * config/i386/djgpp.h: Add comments about standard paths.
5836 (MD_EXEC_PREFIX): Undefine before defining.
5837 (MD_STARTFILE_PREFIX): New.
5839 2001-01-30 Bruce Korb <bkorb@gnu.org>
5841 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5842 (load_file): do not rely on load_file_data() to close file pointer
5843 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5844 fixinc/inclhack.def(irix_limits_const): add test_text
5846 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5848 * cppexp.c (parse_defined): Improve diagnostics for invalid
5851 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5853 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5855 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5857 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5858 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5859 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5860 (rs6000_output_symbol_ref): New function.
5861 (output_toc): Use VTABLE_NAME_P.
5863 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5865 * print-tree.c (print_node, case PARM_DECL):
5866 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5868 * stor-layout.c (reference_types_internal): New variable.
5869 (internal_reference_types): New function.
5870 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5871 * tree.h (internal_reference_types): New declaration.
5873 * cse.c (find_best_addr): Fix typo in computing cost.
5875 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5877 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5878 and this is the sum of a pointer and a constant, we know the result
5880 (num_sign_bit_copies, case PLUS): Likewise.
5881 * explow.c (convert_memory_address): Remove opposite SUBREG.
5882 * function.c (instantiate_new_reg): New function (from common code).
5883 (instantiate_virtual_regs_1): Call it.
5884 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5885 if pointers sign- or zero-extend.
5886 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5887 If pointers extend unsigned, use inside of SUBREG.
5888 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5890 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5892 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5893 subdir of gcc_gxx_include_dir.
5894 (gcc_gxx_target_include_dir): Remove.
5896 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5898 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5899 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5900 a high-level description.
5902 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5904 * final.c: Move the declaration of profile_label_no to ...
5905 * output.h: ... here.
5906 * function.c (expand_function_start): Call PROFILE_HOOK.
5907 * config/rs6000/aix.h: Define PROFILE_HOOK.
5908 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5909 * config/rs6000/rs6000.c (output_profile_hook): Define.
5910 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5911 output_profile_hook.
5912 tm.texi : Explain new macro PROFILE_HOOK.
5914 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5916 * extend.texi (Extended Asm): Do not say that semicolon is always
5917 a valid line-breaking character for GNU assemblers. Use
5918 newline-tab as the most commonly supported syntax. Use
5919 newline-tab rather than semicolon in multi-insn examples.
5921 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5923 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5925 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5926 David Edelsohn <edelsohn@gnu.org>
5928 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5929 code for AIX, even without flag_pic.
5931 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5933 * c-typeck.c (common_type): push and pop binding level around
5934 calling common_type on function parameters.
5936 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5938 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5940 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5942 * config/mips/mips.c (override_options): Fix typo in last change.
5943 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5944 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5946 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5948 * invoke.texi (-fdump-class-layout): Document.
5949 (-fdump-translation-unit): Use `=' as filename separator.
5951 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5953 * Makefile.in (s-mlib): Don't build multilibs if
5955 (DRIVER_DEFINES): Adjust accordingly.
5957 (protoize.o): Likewise.
5958 (unprotoize.o): Likewise.
5959 * configure.in: Recognize --enable-multilib.
5961 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5963 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5965 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5966 * configure.in: Remove --enable-libstdcxx_v3 support.
5967 * configure: Regenerated.
5969 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5971 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5972 Call abort instead of fatal.
5973 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5974 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5975 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5976 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5977 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5978 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5980 * diagnostic.h (set_internal_error_function): Renamed.
5981 * toplev.h (internal_error): Renamed from fatal.
5982 (pfatal_with_name): Deleted.
5983 (fatal_io_error): Now has printf-style arguments.
5984 * diagnostic.c (pfatal_with_name): Deleted.
5985 (fatal_io_error): Rework to have args in printf-style.
5986 (set_internal_error_function): Renamed from set_fatal_function.
5987 (internal_error): Renamed from fatal.
5988 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5989 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5990 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5991 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5992 * flow.c (verify_flow_info): Likewise.
5993 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5994 * config/mips/mips.c (save_restore_insns): Likewise.
5996 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5997 * flow.c (verify_flow_info): Likewise.
5998 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5999 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6000 (avr_normalize_condition): Likewise.
6001 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6002 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6003 (limit_reload_class, double_reg_to_memory): Likewise.
6004 (print_operand_address, emit_1600_code_shift): Likewise.
6005 (gen_tst_reg, gen_compare_reg): Likewise.
6006 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6007 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6009 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6011 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6012 * objc/objc-act.c (build_ivar_chain): Likewise.
6013 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6015 * graph.c (clean_graph_dump_file): Likewise.
6016 * profile.c (init_branch_prob): Likewise.
6017 * objc/objc-act.c (objc_init): Likewise.
6019 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6020 * config/avr/avr.c (avr_override_options): Likewise.
6021 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6022 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6023 * config/h8300/h8300.c (h8300_init_once): Likewise.
6024 * config/mips/mips.c (override_options): Likewise.
6025 * config/i386/i386.c (override_options): Likewise, rework.
6026 * config/m68k/m68k.c (override_options): Likewise.
6028 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6030 * config/mips/mips.c (print_operand): Likewise.
6031 * hash.c (hash_allocate): Don't check for failure returns from
6032 obstack functions that can't fail.
6033 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6034 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6035 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6036 (get_object_reference): Likewise.
6038 2001-02-04 Nick Clifton <nickc@redhat.com>
6040 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6041 StrongARM1110, 10TDMI, and 1020T.
6043 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6045 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6047 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6049 * config/sh/sh.md (movdf load split): Pass register number to
6050 FP_OR_XD_REGISTER_P.
6052 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6054 * cppinit.c (BC): New macro.
6055 (builtin_array): Add __GXX_WEAK__.
6056 * cpplib.h (builtin_type): Add BT_WEAK.
6057 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6058 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6059 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6061 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6063 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6065 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6067 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6068 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6070 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6072 * cpphash.h: Rename ALIGN _ALIGN.
6073 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6075 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6077 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6078 compilation environment.
6079 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6080 control over location of cygwin includes and libs.
6082 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6084 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6086 2001-02-02 lars brinkhoff <lars@nocrew.org>
6088 * md.texi (Standard Names): remove reference to spur.md.
6090 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6092 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6093 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6094 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6095 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6096 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6098 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6100 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6101 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6102 number before reload.
6103 (c4x_adjust_cost): Return zero before reload.
6104 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6105 split before reload.
6107 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6109 * c4x.c (c4x_hard_regno_rename_ok): New.
6110 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6111 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6113 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6115 * diagnostic.h: Add missing "extern" in all declarations.
6117 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6119 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6120 as for gcc_gxx_include_dir.
6122 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6124 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6126 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6128 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6129 label before alignment to be used as the braf base address.
6130 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6132 (casesi_jump_2): Require at least TARGET_SH2.
6134 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6135 truncation to 32-bit doubles on -m3e and -m4-single-only.
6137 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6139 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6140 the default when building a shared object.
6141 (init_spec): Use it.
6142 * testsuite/lib/g++.exp: Include the directory where libgcc
6143 is located to the LD_LIBRARY_PATH list.
6144 * invoke.texi (-shared-libgcc): Document the cases in which
6145 GCC defaults to using the shared libgcc.
6147 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6149 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6150 unsigned is wide enough.
6152 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6153 (si_to_float): Likewise.
6154 (float_to_si, float_to_usi): Use BITS_PER_SI.
6156 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6158 * dwarf2out.c: Added explanation of abbreviations.
6159 (def_cfa_1): Added comments listing DWARF2 instructions.
6160 (cfa_temp_reg): Removed in favor of cfa_temp.
6161 (cfa_temp_value): Removed in favor of cfa_temp.
6162 (cfa_temp): New global variable.
6163 (dwarf2out_frame_debug_expr): Added extensive introductory
6164 comments explaining the function's transformations. Revised to
6165 use cfa_temp. Added some rtx checking. Generalize IOR case.
6166 (dwarf2out_frame_debug): Revised to use cfa_temp.
6167 (output_aranges): Cast as "unsigned" to avoid warning.
6168 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6169 explain which instructions must be marked.
6171 2001-02-01 Richard Henderson <rth@redhat.com>
6173 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6176 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6178 * config/sh/crt1.asm (main_k): Modified so that start calls
6179 ___setup_argv_and_call_main.
6181 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6183 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6184 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6185 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6186 * cppmacro.c (builtin_macro): Set builtin flags here.
6187 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6188 (replace_args): Clarify intent.
6189 (cpp_get_token): Macro expansion tokens get the saved flags.
6191 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6194 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6196 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6199 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6201 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6202 returns Pmode pseudo, but we need ptr_mode.
6203 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6204 Remove bogus conversions; use HOST_WIDE_INT for size.
6205 Don't use TARGET if wrong mode.
6207 * config/i386/i386.c (ix86_compute_frame_size): Allow
6208 stack_alignment_needed to be non-default even if size is zero.
6210 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6212 * pa.c (hppa_init_pic_save): New function.
6213 * pa.h (hppa_init_pic_save): Declare.
6214 * pa.md (call, call_value, sibcall, sibcall_value): Use
6215 the above instead of duplicated code.
6217 * pa.c (hppa_encode_label): Correct size of alloca buffer
6218 so we don't overrun it. Correct leading `*' case.
6219 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6220 need to handle `*@'.
6221 (FUNCTION_NAME_P): Likewise.
6223 2001-01-31 Richard Henderson <rth@redhat.com>
6225 * config.gcc (alpha-osf5): Use float-i128.h.
6227 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6228 * config/float-i32.h: Likewise.
6229 * config/float-i64.h: Likewise.
6230 * config/float-sh.h: Likewise.
6231 * config/float-sparc.h: Likewise.
6233 2001-01-31 DJ Delorie <dj@redhat.com>
6235 * expmed.c (extract_bit_field): allow non-integral modes if we
6236 want to extract a whole register from itself.
6238 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6240 * c-typeck.c (set_init_index): If first is equal to last, assume as
6241 if it was not a range at all.
6243 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6245 * config/fp-bit.c: Include tm.h.
6246 (float_to_si): Don't assume SImode is 32-bits wide.
6247 (float_to_usi): Likewise.
6249 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6251 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6253 (typename): Call pending_xref_error after parsing typed_typespecs.
6254 * c-decl.c (lookup_tag): Give error immediately rather than
6255 leaving it pending if the tag of the wrong type is in the same
6257 (xref_tag): Don't pedwarn for forward declarations of enum types
6259 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6262 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6264 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6266 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6268 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6269 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6271 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6273 * cpphash.h (struct cpp_reader): New saved_flags.
6274 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6275 to avoid a paste after a pasted token.
6277 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6279 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6280 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6281 Wtype_MIN instead of LONG_MIN.
6283 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6285 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6287 * fixinc/fixincl.x: Regenerated.
6288 * fixinc/inclhack.def (irix_limits_const): New definition to
6289 convert "const" to "__const" in limits.h.
6291 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6293 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6295 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6297 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6298 when register dies in the insn.
6300 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6302 * diagnostic.c (fatal): Fix word wrap.
6304 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6306 * combine.c (try_combine): Fix SUBREG setting for
6307 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6309 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6311 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6314 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6316 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6318 * toplev.c (decode_W_option): Update warn_larger_than
6319 unconditionally for each processed switch.
6321 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6323 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6325 (hppa_expand_prologue): Delete code to save pic offset table register
6326 in the function prologue.
6327 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6328 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6329 table register at the beginning of the function after the prologue.
6331 2001-01-29 lars brinkhoff <lars@nocrew.org>
6333 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6335 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6336 Jeff Law <law@redhat.com>
6338 * pa.md (return): Revise comment for trivial return.
6339 (return_internal): Non-trivial return pattern for non-PIC code.
6340 (return_internal_pic): Non-trivial return pattern for PIC code.
6341 It uses the PIC register to ensure it is restored after
6343 (epilogue): Generate appropriate return for PIC and non-PIC code.
6345 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6347 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6349 2001-01-29 DJ Delorie <dj@redhat.com>
6351 * combine.c (if_then_else_cond): Pass the correct mode to
6352 operand_subword() for constants.
6354 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6356 * config/i386/cygwin.h: Add w32api to include search. Search different
6357 directories in a cross-build environment.
6359 2001-11-29 Tim Josling <tej@melbpc.org.au>
6361 * tree.h (TYPE_STUB_DECL): Add documentation.
6363 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6365 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6366 (sdbout_field_types): Likwise. Fix use of host_integerp.
6368 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6370 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6373 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6375 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6376 to use flag_gnu_linker.
6378 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6380 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6381 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6383 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6385 * tree.c, tree.h (build_parse_node): Remove; was identical to
6387 * c-lang.c (start_cdtor), objc/objc-act.c
6388 (build_module_descriptor): Use build_nt instead of
6391 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6393 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6394 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6395 not have any upper bits set.
6397 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6399 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6401 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6403 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6405 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6407 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6408 (integer_minus_one_node): Define.
6410 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6412 * Makefile.in (bootstrap2-lean): Fix typo.
6414 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6416 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6417 : Don't set fe_value.
6418 * cpplib.h (AVOID_LPASTE): New flag.
6419 (struct cpp_hashnode): Remove fe_value.
6420 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6421 * cppmacro.c (builtin_macro): Don't set flags here.
6422 (replace_args): Set AVOID_LPASTE flag on first token of an
6423 argument, and the token following it.
6424 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6425 macro expansion, and on the token following it. Do it for
6427 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6429 2001-01-27 Richard Henderson <rth@redhat.com>
6431 * config/alpha/t-ieee: Remove multilibbing.
6432 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6434 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6436 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6438 * Makefile.in: Remove all dependencies on defaults.h.
6439 * builtins.c: Don't include defaults.h.
6440 * c-common.c: Likewise.
6441 * c-decl.c: Likewise.
6442 * c-pragma.c: Likewise.
6443 * c-typeck.c: Likewise.
6444 * combine.c: Likewise.
6446 * frame-ia64.c: Likewise.
6447 * cppexp.c: Likewise.
6448 * crtstuff.c: Likewise.
6449 * dbxout.c: Likewise.
6450 * dwarf2out.c: Likewise.
6451 * dwarfout.c: Likewise.
6452 * emit-rtl.c: Likewise.
6453 * except.c: Likewise.
6455 * final.c: Likewise.
6456 * frame-dwarf2.c: Likewise.
6457 * libgcc2.c: Likewise.
6458 * optabs.c: Likewise.
6459 * profile.c: Likewise.
6460 * sdbout.c: Likewise.
6461 * toplev.c: Likewise.
6462 * tradcif.y: Likewise.
6464 * varasm.c: Likewise.
6466 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6468 * builtins.c (expand_builtin_fputs): Use size_one_node when
6469 transforming into fwrite.
6471 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6473 * extend.texi (Attribute Syntax): New section.
6475 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6477 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6478 they didn't need fixing.
6480 2001-01-27 Janis Johnson <janis@us.ibm.com>
6482 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6484 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6485 to remove macro definitions that are duplicated from elfos.h.
6487 2001-01-27 Richard Henderson <rth@redhat.com>
6489 * config/i386/sco5gas.h: Move ...
6490 * config/usegas.h: ... here.
6491 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6493 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6495 * c-typeck.c (struct constructor_stack): Add range_stack member.
6496 (really_start_incremental_init): Clear it.
6497 (push_init_level): Save constructor_range_stack and clear it if
6498 pushing explicit braces.
6499 (pop_init_level): abort if constructor_range_stack is non-zero at
6500 explicit closing brace. Restore saved constructor_range_stack if
6503 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6505 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6506 into register was forced into memory.
6508 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6510 * Makefile.in: Remove uses of + before $(MAKE).
6512 2001-01-26 Richard Henderson <rth@redhat.com>
6514 * stmt.c (cost_table): Remove.
6515 (COST_TABLE, cost_table_initialized): New.
6516 (estimate_case_costs): Use the later instead of the former.
6517 (balance_case_nodes): Likewise.
6519 2001-01-26 Richard Henderson <rth@redhat.com>
6521 * alias.c (objects_must_conflict_p): Read-only slots may not
6522 conflict despite having the same type.
6524 2001-01-27 Michael Hayes <mhayes@redhat.com>
6526 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6528 (check_ext_dependant_givs): Initialise u_start_val and
6530 (load_mems): Make last_max_reg unsigned.
6531 (try_swap_copy_prop): Use INSN_P and initialise set.
6533 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6535 * README.AVR : Removed.
6537 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6539 * pa-64.h (text_section): Remove declaration.
6541 * pa.md (return_internal): Remove mode on PIC register use.
6543 2001-01-25 lars brinkhoff <lars@nocrew.org>
6545 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6546 ASM_CLOSE_PAREN): fix typos.
6548 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6550 * acconfig.h: Define `const' to the empty string if neither
6551 __STDC__ nor __cplusplus is defined.
6552 * config.in: Regenerated.
6554 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6556 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6557 * collect2.c (main): Delete importf. Add ".obj" file extension.
6558 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6559 (aix_std_libs): Add additional AIX libraries to skip.
6560 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6561 * config/rs6000/aix51.h: New file.
6563 2001-01-25 Michael Hayes <mhayes@redhat.com>
6565 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6566 (loop_insn_emit_before): No longer static.
6567 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6568 (loop_givs_rescan, load_mems): Likewise.
6569 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6570 (maybe_eliminate_biv_1):
6571 (move_movables): Replace emit_call_insn_before with
6572 loop_call_insn_hoist.
6573 * loop.h (loop_insn_emit_before): Add.
6574 * unroll.c (copy_loop_body): Replace emit_insn_before with
6575 loop_insn_emit_before.
6577 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6579 * diagnostic.c (fatal): Request preprocessed source.
6581 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6583 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6584 olddecl has argument types and newdecl has none, use the argument
6587 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6589 * dwarf2out.c (prefix_of): New function. Determine longest common
6590 prefix of the two arguments. The units are whole path components.
6591 (output_file_names): When adding a new directory find the one entry
6592 with the longest common prefix already in the list. Artificially
6593 generate entry if there is none for this prefix.
6594 Fix test to check whether the zeroth directory entry is used.
6596 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6598 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6599 Changed all callers. Take it into account when deciding if a
6600 previously loaded value matches.
6602 2001-01-24 Richard Henderson <rth@redhat.com>
6604 * reload.c (find_reloads_subreg_address): Fail the substitution
6605 if the resulting address is insufficiently aligned.
6607 2001-01-24 DJ Delorie <dj@redhat.com>
6609 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6610 check the original operand's mode also.
6611 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6613 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6615 * c-parse.in (cast_expr): Move compound literals from here ...
6616 (primary): ... to here. Use standard terminology "compound
6617 literal" instead of "constructor expression".
6619 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6621 * gcc.1, cpp.1: Regenerate.
6623 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6625 * calls.c (emit_library_call_value_1): Memory slot for
6626 pass-by-reference argument should have the mode of the argument,
6627 not of the pointer to it.
6629 2001-01-24 Tom Tromey <tromey@redhat.com>
6631 * gcc.texi (G++ and GCC): Mention gcj manual.
6632 (Standards): Link to section of manual mentioning gcj/Java
6635 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6637 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6638 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6639 * tradcpp.c (main): Add -imacros or -include'd dependencies
6641 * cpp.texi (-M, -MM): Document -M -include behaviour.
6643 2001-01-24 Roger Collins <roger@ProProject.com>
6645 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6647 2001-01-24 Will Cohen <wcohen@redhat.com>
6649 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6650 whether registers are 32 bits or 64 bits in size.
6652 2001-01-24 Ben Elliston <bje@redhat.com>
6654 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6656 2001-01-24 Richard Henderson <rth@redhat.com>
6658 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6659 (builtin_longjmp): Use it instead of emit_indirect_jump.
6661 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6663 * bb-reorder.c (make_reorder_chain_1): Handle case where
6664 jump edge goes to the same block as the fallthru edge.
6666 2001-01-23 Jim Wilson <wilson@redhat.com>
6668 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6669 * frame.h (__ia64_personality_v1): Add prototype.
6670 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6671 prototype form. Add void * cast to first argument to personality
6673 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6674 (asctoe113): Likewise.
6675 * config/ia64/frame-ia64.c: Include eh-common.h.
6676 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6678 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6680 (itanium_split_issue): Add prototype.
6681 (gen_nop_type): Ifdef out.
6682 (find_best_packet): Initialize best_packet.
6683 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6685 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6686 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6687 (flushrs): Add explicit stop bit at end.
6688 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6691 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6693 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6695 * libgcc2.c (__terminate_func): Make variable static.
6696 (__terminate_set_func): New function to set __terminate_func.
6697 * libgcc2.h (__terminate_func_ptr): New typedef.
6698 (__terminate_set_func): New function.
6700 2001-01-23 Richard Henderson <rth@redhat.com>
6702 * flow.c (init_propagate_block_info): Don't consider unchanging
6703 memories for dead frame store elimination.
6705 2001-01-23 Richard Henderson <rth@redhat.com>
6707 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6708 * defaults.h: ... here.
6710 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6712 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6714 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6716 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6718 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6720 * rs6000.h (rs6000_return_addr): Move prototype from here...
6721 * rs6000-protos.h (rs6000_return_addr): ...to here.
6722 (rs6000_init_expanders): Delete prototype.
6724 2001-01-23 Nick Clifton <nickc@redhat.com>
6726 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6727 (Spec Files): Document %B and %j and %. and %v3 and %M and
6728 %{S*&T} spec switches.
6730 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6732 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6734 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6735 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6738 Have -Werror make pedantic warnings errors, like the
6741 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6743 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6745 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6747 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6748 * integrate.c (expand_inline_function): Initialize them.
6749 (subst_constants): If changing COMPARE so that both its arguments
6750 will be VOIDmode and the comparison mode will be lost, note
6751 compare_mode. Use the recorded compare_mode to optimize
6754 2001-01-23 Jason Merrill <jason@redhat.com>
6756 * dwarf2out.c (new_die): Use xcalloc.
6757 (output_die): Abort rather than emit a local reference to offset 0.
6759 2001-01-17 Andrew Haley <aph@redhat.com>
6761 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6762 of a saved register; return NULL instead.
6763 (copy_reg): Take a pointer to a source register rather than a
6765 (next_stack_level): Remember the address in the stack frame of all
6767 Use the saved register pointer array as the source of the CFA.
6768 (throw_helper): Rewrite. Unwind once rather than twice and keep
6769 track of saved registers as we go.
6771 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6773 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6774 * c4x.c (c4x_legitimize_reload_address): Remove.
6775 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6776 reload address for ldp(k) insn.
6778 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6780 * pa.md (return_internal): Add a USE of the PIC register to ensure
6781 it is restored after each call.
6782 (return expander): Corresponding changes.
6784 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6786 * rs6000.h (INIT_EXPANDERS): Delete.
6787 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6788 * rs6000.c (rs6000_override_options): Call *_machine_status from
6790 (rs6000_init_expanders): ...instead of here. Delete.
6791 (rs6000_mark_machine_status): New function.
6792 (rs6000_init_machine_status): Use xcalloc.
6793 (rs6000_return_addr): Generate RTX for the return address.
6794 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6795 (rs6000_stack_info): Use it.
6797 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6799 * gthr-win32.h: Include errno.h to get a declaration for
6800 EINVAL and _mingw.h if the target is mingw32.
6802 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6804 * cpp.texi: Correct typos.
6806 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6808 * explow.c (probe_stack_range): Ensure value passed to
6809 stack_check_libfunc is ptr_mode, not Pmode.
6811 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6813 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6814 case, don't use operand_subword to calculate a SUBREG that is
6817 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6819 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6821 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6822 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6823 valid. If not replace it by equivalent insns.
6825 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6827 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6828 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6829 (c4x_U_constraint, symbolic_address_operand): Likewise.
6830 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6832 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6833 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6834 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6835 anulling slot because of silicon bug.
6836 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6838 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6840 * cppexp.c (parse_charconst): Change `mask' type to agree
6843 2001-01-21 Richard Henderson <rth@redhat.com>
6845 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6846 pic_label_name in a linkonce section.
6848 2001-01-17 Philipp Thomas <pthomas@suse.de>
6850 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6852 * configure: Regenerate.
6854 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6856 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6857 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6859 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6861 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6862 If REVERSE nonzero then condition code in X must be reversed.
6863 (encode_section_info): Optimise if/else.
6864 (avr_function_value): Fix formatting.
6866 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6867 (difficult_branch): Likewise.
6868 (rvbranch): Likewise.
6869 (difficult_rvbranch): Likewise.
6871 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6873 * config/avr/libgcc.S: Fix comment.
6875 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6877 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6879 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6881 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6883 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6885 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6886 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6887 * configure, config.in: Regenerate.
6888 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6889 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6890 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6891 (doprint.o): New rule.
6893 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6895 * c-typeck.c (digest_init): Handle boolean types as scalars.
6897 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6899 * stmt.c (expand_return): Don't return anything if size is zero.
6900 Delete redundant assignment to BYTES.
6901 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6903 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6905 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6906 the same as the default library function names.
6907 * config/avr/avr.md: Document special characters after '%'.
6908 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6909 knowing which of the call-used registers are really clobbered.
6910 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6911 New. Both quotient and remainder from one libgcc.S call.
6912 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6913 clobber as few registers as possible.
6914 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6916 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6918 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6919 context of the top of the stack.
6921 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6923 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6924 (fixup_var_refs_insns): ...here.
6926 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6928 * function.c (fixup_var_refs_insns): Break up into
6929 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6930 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6931 [loop over hash table entries].
6932 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6933 fixup_var_refs_insns_with_hash, to match above changes.
6935 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6937 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6938 (libgcc.a): Likewise.
6939 (stmp-multilib): Likewise.
6940 (STAGE2_FLAGS_TO_PASS): Likewise.
6942 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6944 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6945 temporary if no_new_pseudos.
6947 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6949 * cppinternals.texi: Update.
6951 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6953 * arm.c (arm_init_builtins): Re-enable builtins.
6955 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6957 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6958 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6959 element to be null, and always expect an EXPR_LIST.
6960 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6961 * sched-deps.c (sched_analyze_1): Likewise.
6962 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6964 * regclass.c (max_set_parallel): New variable.
6965 (reg_scan): Take it into account in computation of max_parallel.
6966 (reg_scan_mark_refs, case SET): Compute it.
6968 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6970 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6971 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6973 2001-01-19 Jason Merrill <jason@redhat.com>
6975 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6976 for the abstract instance of an inline function.
6978 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6979 J"orn Rennecke <amylaar@redhat.com>
6981 * reload1.c (move2add_note_store): Treat all registers directly or
6982 indirectly derived from a base register as members of the same set
6984 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6985 of base register into account.
6987 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6989 * alias.c (find_base_value): Recognize TRUNCATE.
6990 (record_set): In PLUS case, invalidate if other summand is also a
6993 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6995 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6996 entry to be EXPR_LIST.
6997 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6998 be an EXPR_LIST (but not null, which other code doesn't allow).
6999 (note_stores): Properly handle PARALLEL in SET.
7000 Recursively call for top-level PARALLEL.
7001 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7002 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7004 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7006 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7008 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7009 not pfile->skipping (== 0).
7011 2001-01-17 Nick Clifton <nickc@redhat.com>
7013 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7016 2001-01-17 Jim Wilson <wilson@redhat.com>
7018 * invoke.texi (IA-64 options): Improve.
7020 2001-01-17 Tom Tromey <tromey@redhat.com>
7022 * invoke.texi (Optimize Options): Use `{}' to around @samp
7025 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7027 * invoke.texi (-fno-guess-branch-probability): New option.
7029 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7031 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7032 case of making new double-word constant.
7033 Revert last change: instead just test i3_subst_into_i2.
7035 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7037 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7038 Use q constraints instead of r.
7040 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7042 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7043 (machine_function): Define.
7044 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7045 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7046 pa_free_machine_status): New functions.
7047 (override_options): Set {init,mark,free}_machine_status to above.
7048 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7049 PIC_OFFSET_TABLE_REGNUM_SAVED.
7050 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7051 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7052 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7053 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7054 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7056 2001-01-15 DJ Delorie <dj@redhat.com>
7058 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7062 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7064 * flow.c (propagate_on_insn): Make trying to delete a prologue
7065 or epilogue insn an ICE, not a warning. Allow doing this if
7066 the current function returns with stack pointer depressed.
7068 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7069 I3 having more than one SET.
7071 2001-01-16 Jim Wilson <wilson@redhat.com>
7073 * invoke.texi: Document IA-64 options.
7075 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7076 (fixup_errata): Delete TARGET_A_STEP use.
7077 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7078 (TARGET_SWITCHES): Delete -ma-step option.
7079 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7080 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7081 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7082 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7083 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7084 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7086 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7087 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7088 cmovsi_internal): Delete ! TARGET_A_STEP check.
7090 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7092 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7093 possibility to report bugs via postal mail. Change a URL and
7094 merge in a nearly duplicate statement...
7095 (Bug Reporting): ...from here.
7096 (Service): Refer to the Bug Reporting section instead of
7098 (Contributing): Remove trivial explanations concerning snapshots.
7100 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7102 * cppmain.c (general_init): Don't use ANSI prototype.
7104 2001-01-16 Tom Tromey <tromey@redhat.com>
7106 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7108 2001-01-16 Richard Henderson <rth@redhat.com>
7110 * config/i386/i386.h: Fix comment typo.
7111 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7112 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7114 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7116 * gcc.c: Revert previous -fsyntax-only-related change; move
7119 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7121 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7122 inmode after checking GET_CODE (op).
7124 2001-01-16 Richard Henderson <rth@redhat.com>
7126 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7127 (MAX_MEM_SET_LIST_LEN): New.
7128 (propagate_one_insn): Update mem_set_list_len.
7129 (invalidate_mems_from_autoinc): Likewise.
7130 (invalidate_mems_from_set): Likewise.
7131 (mark_used_regs): Likewise.
7132 (init_propagate_block_info): Likewise. Stop collecting memories
7133 when we reach MAX_MEM_SET_LIST_LEN.
7134 (mark_set_1): Likewise.
7136 2001-01-16 Richard Henderson <rth@redhat.com>
7138 * unroll.c (precondition_loop_p): Fail if no iteration
7141 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7143 * gcc.c: When -fsyntax-only is given, do not complain about
7146 2001-01-15 Richard Henderson <rth@redhat.com>
7148 * config/i386/i386.c (asm_output_function_prefix): Remove.
7149 (ix86_asm_file_end): New.
7150 (load_pic_register): Generate pic_label_name into a
7151 staticly allocated buffer.
7152 * config/i386/i386-protos.h: Update.
7153 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7154 (ASM_FILE_END): New.
7155 * config/i386/i386afe.h: New file.
7156 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7157 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7158 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7159 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7160 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7161 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7162 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7164 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7166 * Makefile.in (install-man): Remove explicit dependency on
7169 * configure.in, configure: Revert previous patch requiring perl
7172 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7174 * toplev.c (flag_guess_branch_prob): New.
7175 (f_options): Add guess-branch-probability option.
7176 (rest_of_decl_compilation): Only estimate branch probability if
7178 (main): set flag_guess_branch_prob.
7180 * flags.h (flag_guess_branch_prob): New.
7182 2001-01-15 DJ Delorie <dj@redhat.com>
7184 * gcc.texi (Makefile): Add documentation for Makefile targets.
7186 2001-01-15 Philip Blundell <philb@gnu.org>
7188 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7190 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7191 (is_pic): Delete declaration.
7192 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7193 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7194 * config/arm/arm.md (builtin_setjmp_receiver): New.
7196 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7198 * arm.c (use_return_insn): Don't try to determine the function type
7199 until after reload has completed.
7200 (arm_output_epilogue): Don't adjust the sp value recovered from the
7202 (emit_multi_reg_push): Don't record dwarf information for the pc.
7203 * arm.md (eh_epilogue): The function type may have changed, so it
7204 needs to be recalculated.
7205 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7206 unwind tables on arm/netbsd.
7208 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7210 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7211 (negated_cbranchsi4): Likewise.
7213 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7215 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7216 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7217 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7218 pass -mapcs-* options to assembler.
7219 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7220 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7221 (ASM_SPEC): Call subtarget_extra_asm_spec.
7223 2001-01-15 Andreas Jaeger <aj@suse.de>
7225 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7227 (ix86_expand_builtin): Likewise.
7229 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7230 warning about comparison between signed and unsigned.
7232 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7234 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7236 2001-01-14 Ralf Baechle <ralf@gnu.org>
7238 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7239 SUBTARGET_CPP_SPEC apropriatly.
7241 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7243 * varasm.c (make_decl_rtl): Fix typo in last change.
7245 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7247 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7248 linker supports the init_priority C++ attribute.
7249 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7250 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7251 linker does not support init_priority C++ attribute.
7253 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7255 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7257 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7259 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7260 * cp/lex.c (finish_parse): Similarly.
7261 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7262 Return the number of errors encountered.
7263 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7264 * cppmain.c (main): Don't call cpp_destroy.
7266 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7268 * configure.in: Require at least perl 5.6.0 to regenerate
7270 * configure: Regenerate.
7272 2001-01-14 Richard Henderson <rth@redhat.com>
7274 * genrecog.c (DT_veclen_ge): New.
7275 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7276 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7277 (nodes_identical_1): Handle DT_veclen_ge.
7278 (write_cond, debug_decision_2): Likewise.
7280 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7282 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7284 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7286 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7288 * cppmain.c (do_preprocessing): New function; most of the old
7290 (main): Call it to do most of the work.
7291 (cb): Move from global scope to set_callbacks ().
7292 (setup_callbacks): Get the callback pointer.
7293 (general_init, printer_init): Clean up code and comments.
7295 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7297 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7300 2001-01-14 Kazu Hirata <kazu@hxi.com>
7302 * config/h8300/h8300.c (get_shift_alg): Update comments.
7304 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7306 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7307 (alloc_page, ggc_alloc): Add casts to remove warnings.
7309 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7311 * combine.c (simplify_comparison): Don't change `code' when
7312 can't reverse comparison.
7314 2001-01-14 Richard Henderson <rth@redhat.com>
7316 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7317 update all call sites. Return true for all non-label constants.
7319 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7321 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7323 (ix86_expand_branch): Update.
7324 (ix86_expand_setcc): Update to handle multiple test conditions.
7325 (expand_int_movcc): Likewise.
7326 (expand_fp_movcc): Likewise.
7327 * i386-protos.h (ix86_expand_compare): New.
7328 * i386.md (andqi_?_slp, orqi_?_slp): New.
7329 (conditional trap expander): Update call to ix86_expand_compare.
7331 2001-01-14 Richard Henderson <rth@redhat.com>
7333 * config/vax/vax.md: Use nonimmediate_operand instead of
7334 general_operand in destinations.
7336 * config/vax/vax.md (indirect_jump): Use register_operand.
7338 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7339 * config/vax/vax.md (call_pop): Turn into an expander.
7340 (call_value_pop): Likewise.
7341 (call, call_value): New.
7343 2001-01-14 Andreas Jaeger <aj@suse.de>
7345 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7347 (ix86_fp_compare_mode): Add unused attribute.
7348 (ix86_expand_fp_movcc): Remove unused variable.
7349 (ix86_expand_builtin): Make fcode unsigned.
7351 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7352 (expand_expr): Add cast to avoid signed warning.
7353 (store_field): Likewise.
7354 (store_constructor_field): Likewise.
7355 (store_constructor): Likewise.
7356 (store_expr): Likewise.
7357 (clear_storage): Likewise.
7358 (emit_group_store): Likewise.
7359 (emit_group_load): Likewise.
7361 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7363 * c-common.c: Move format checking code to ...
7364 * c-format.c: ... here. New file. Reorder some functions and
7366 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7368 * c-common.h (decl_handle_format_attribute,
7369 decl_handle_format_arg_attribute): Declare.
7370 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7371 (c-common.o): Adjust dependencies.
7372 (c-format.o): New list of dependencies.
7374 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7376 * unroll.c (loop_iterations): If we cannot prove iteration variable
7377 is set once in each iteration, punt.
7379 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7381 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7382 (*strlenhi): Remove clobber (which was buggy) of output address.
7384 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7386 * Makefile.in (generated-manpages): Add gcc.1
7387 ($(srcdir)/gcc.1): New target.
7388 (maintainer-clean): Delete $(srcdir)/gcc.1.
7389 * gcc.texi: Add macros @gccoptlist and @gol.
7390 * invoke.texi: Include option summary in manpage. Mark up option
7391 summary with @gccoptlist and @gol. Use @r in one place where
7393 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7394 * gcc.1: Generate from invoke.texi.
7396 2001-01-13 Richard Henderson <rth@redhat.com>
7398 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7399 (struct page_entry): Add group member.
7400 (struct page_group): New.
7401 (struct globals): Add page_groups member.
7402 (alloc_anon): Only define for using mmap; remove valloc call.
7403 (page_group_index): New.
7404 (set_page_group_in_use): New.
7405 (clear_page_group_in_use): New.
7406 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7407 (free_page, release_pages): Likewise.
7408 * configure.in (with-gc): Default to ggc-page always.
7410 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7412 * reload1.c (replace_pseudos_in_call_usage): Use
7413 reg_equiv_constant and reg_equiv_address, and don't try
7414 regno_reg_rtx first.
7416 2001-01-13 Richard Henderson <rth@redhat.com>
7418 * ggc-page.c (alloc_page): Round up allocation size to one page.
7419 Set e->order on extra pages.
7421 2001-01-13 Richard Henderson <rth@redhat.com>
7423 * genrecog.c (nodes_identical): Expand commentary.
7424 (write_switch): Watch out for identical nodes.
7426 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7428 * cppfiles.c (_cpp_fake_include): New function.
7429 * cpphash.h (_cpp_fake_include): New.
7430 * cpplib.c (do_line): Call _cpp_fake_include when entering
7431 header files in preprocessed input.
7432 * cppmain.c (cb_pragma_implementation): Remove handling.
7433 (setup_callbacks): Don't register pragmas.
7435 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7437 * extend.texi: Udate for CPP.
7439 2001-01-13 Andreas Jaeger <aj@suse.de>
7441 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7443 * regmove.c: Add prototype for replace_in_call_usage.
7445 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7447 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7448 struct cpp_chunk, struct htab, struct toklist,
7449 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7450 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7451 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7452 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7453 (struct macro_args): Delete.
7454 * cpphash.h: See above.
7456 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7458 * cppmain.c (struct printer): Remove no_line_dirs.
7460 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7461 : Use options rather than CPP_OPTION.
7462 (setup_callbacks): Use cb rather than pfile->cb.
7463 (main): No need to check for a buffer. Use cpp_errors.
7464 (printer_init): Don't set no_line_dirs.
7465 (maybe_print_line): Use options not no_line_dirs.
7466 (cb_file_change): Don't call print_line if -P.
7468 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7470 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7472 * c-parse.in (finish_parse): Use cpp_errors.
7473 (__yylex): Use return value of cpp_pop_buffer.
7474 * cp/lex.c (finish_parse): Use cpp_errors.
7475 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7477 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7479 * README.AVR: URLs corrected.
7481 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7483 * c-decl.c (start_function): Don't warn if old prototype is builtin
7484 that's not in C's namespace.
7485 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7486 (_bb): Add prototype for ctime.
7487 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7489 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7491 * i386.c (ix86_fp_comparison_arithmetics_cost,
7492 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7493 ix86_fp_comparison_cost): New functions.
7494 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7495 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7496 two-branch sequences; make static.
7497 (ix86_use_fcomi_compare): Do decision according to the costs.
7498 (split_fp_branch): New.
7499 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7500 * i386-protos.h (ix86_expand_fp_compare): Remove
7501 (ix86_split_fp_branch): Declare.
7503 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7504 and ix86_comparison_operator.
7506 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7509 * i386.c (put_condition_code): Output properly the unordered/ordered
7510 compares in fp case.
7511 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7513 * tm.texi (REVERSE_CONDITION): Document.
7514 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7515 in -ffast-math mode.
7516 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7518 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7520 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7522 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7525 * config/sh/sh.c (mova_p): Fix test for mova_const.
7527 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7529 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7530 cpp_get_options rather than dereferencing pfile and using
7532 * scan-decls.c (scan_decls): Use return value of
7533 cpp_pop_buffer rather than CPP_BUFFER.
7535 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7537 * cppinit.c (cpp_handle_option): help_only is now part of the
7538 cpp_options structure.
7539 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7540 cpp_set_callbacks): New functions.
7541 * cpplib.h (cpp_callbacks): Break out as a named structure.
7542 (cpp_options): Move help_only here from cpp_reader.
7543 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7544 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7545 cpp_set_callbacks): New prototypes.
7546 * cppmain.c (main): Update for help_only.
7548 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7550 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7551 Also build and remove and install and uninstall c-tree.info and
7553 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7554 ($(srcdir)/cppinternals.info): New target.
7555 * c-tree.texi: Change file name used when makeinfo used without -o
7556 from ir.info to c-tree.info. Add info directory entry.
7557 * cppinternals.texi: Add info directory entry.
7558 * .cvsignore: Update.
7560 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7562 * c-typeck.c (store_init_value): Don't require constant initializer
7563 elements with -pedantic -std=c99.
7564 (digest_init): Change error about non-constant initializer elements
7566 (constructor_range_end): Remove.
7567 (constructor_incremental, designator_depth,
7568 designator_errorneous): New variables.
7569 (struct constructor_stack): Remove range_end, add incremental.
7570 (struct constructor_range_stack, constructor_range_stack): New.
7571 (struct initializer_stack): Add constructor_range_stack.
7572 (finish_init): Set it.
7573 (start_init): Likewise. require_constant_elements for non-static
7574 trees only if not flag_isoc99.
7575 (really_start_incremental_init): Remove constructor_range_end, add
7576 constructor_incremental.
7577 (pop_init_level): Likewise.
7578 (push_init_level): Likewise. If implicit and the subobject had some
7579 value set already, preinitialize the level with it.
7580 Warn about missing braces only if not pushing due to designators.
7581 (set_designator, push_range_stack): New functions.
7582 (set_init_label): Use them.
7583 (set_init_index): Likewise. Remove constructor_range_end.
7584 Error if designator index is outside of array bounds.
7585 (add_pending_init): Compare values of purpose index trees, not the
7586 trees themselves. Allow overwriting of already initialized element.
7587 Issue a warning if it had side-effects.
7588 (set_nonincremental_init, set_nonincremental_init_from_string): New
7590 (pending_init_member): Rename to...
7591 (find_init_member): ...this function. Call set_nonincremental_init
7592 if necessary. Compare values of purpose index trees, not the trees
7593 themselves. Return the actual value, not just non-zero if something
7595 (output_init_element): Remove checks for duplicates.
7596 If field has zero size, only check the initializer for correctness.
7597 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7598 if constructor_incremental is zero. Change error about initializers
7599 not computable at load time into pedwarn.
7600 (output_pending_init_elements): Compare bit positions, not
7601 FIELD_DECLs to take into account zero-sized fields.
7602 (process_init_element): Use constructor_range_stack to fill all
7603 ranges in the designator lists from current level up.
7604 * extend.texi: Update documentation for labeled elements.
7606 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7608 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7609 to function usage for arguments passed by reference. Optimize
7610 callee-copied arguments.
7611 * regmove.c (replace_in_call_usage): New function.
7612 (fixup_match_1): Call it.
7613 * cse.c (cse_insn): Canonicalize registers in function usage.
7614 * reload1.c (replace_pseudos_in_call_usage): New function.
7617 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7620 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7622 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7625 2001-01-12 DJ Delorie <dj@redhat.com>
7627 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7628 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7631 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7633 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7634 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7635 -std options alongside references to -ansi. Update some
7636 documentation for C99.
7637 * cpp.1: Regenerate.
7639 2001-01-12 Andreas Jaeger <aj@suse.de>
7641 * haifa-sched.c (restore_line_notes): Remove argument block B
7643 * sched-ebb.c (schedule_ebb): Change caller.
7644 * sched-rgn.c (schedule_region): Likewise.
7645 * sched-int.h (restore_line_notes): Adjust prototype.
7647 * loop.h: Remove wrong declaration of doloop_condition_get.
7649 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7651 * extend.texi: Move C++-extension-related node from the C section
7652 into the C++ section.
7654 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7656 * extend.texi: Refer to an array of pointers to functions instead
7657 of one of functions.
7659 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7660 Jan Hubicka <jh@suse.cz>
7662 * combine.c (reversed_comparison): Fix typo in last patch.
7664 (combine_reversed_comparison_code): Make static to follow
7665 prototype declaration.
7667 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7669 * install.texi: Remove misplaced duplicate entry.
7671 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7673 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7675 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7677 * final.c: (leaf_function_p): Fix typo.
7679 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7681 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7682 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7684 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7685 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7686 mmap_anon, and valloc is available.
7687 * ggc-page.c: Restructure ifdef logic to match new autoconf
7688 spec. Don't throw away the test page in init_ggc.
7690 * configure, config.in: Regenerate.
7692 2001-01-12 Michael Hayes <mhayes@redhat.com>
7694 * loop.h (total_biv_increment): Constify iv_class pointer.
7695 (struct induction): Replace `mem_mode' with `mem' rtx.
7696 * unroll.c (total_biv_increment): Constify iv_class pointer.
7697 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7698 (find_mem_givs, combine_givs_p): Likewise.
7699 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7701 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7703 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7705 (__gthread_getspecific): Ditto.
7707 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7709 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7710 put_condition_code): Convert fp comparison codes to integer
7712 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7715 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7716 * i386-protos.h (no_comparison_operator): Kill.
7718 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7720 * combine.c (REVERSIBLE_CC_MODE): Remove.
7721 (reversible_comparison_p): Remove.
7722 (combine_reversed_comparison_code): New.
7723 (reversed_comparison): New.
7724 (combine_simplify_rtx): Use
7725 combine_reversed_comparison_code/reversed_comparison instead
7726 of reversible_comparison_p.
7727 (simplify_if_then_else): Likewise.
7728 (simplify_set): Likewise.
7729 (simplify_logical): Likewise.
7730 (if_then_else_cond): Likewise.
7731 (known_cond): Likewise.
7732 (simplify_comparison): Likewise.
7734 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7736 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7737 sizeof (int) is larger than sizeof(__word__).
7739 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7741 * cppinit.c (do_includes): Fix typo.
7743 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7745 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7746 in S_REGS does not occur because not all sources are possible
7747 when a S_REGS is a destination (sometimes needs a clobber).
7748 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7749 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7750 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7751 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7752 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7753 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7754 (lshrdi_const1, lshrsi3_const16): Likewise.
7755 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7756 (*movhi_68hc12, *movqi_68hc12): Likewise.
7757 (movstrictqi): Make sure reloading in D_REGS as a destination
7760 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7762 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7764 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7766 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7767 -D, -U and -A, and don't initialize the builtins.
7768 (do_includes): Error if -include or -imacros with -fpreprocessed.
7769 * cppmain.c (cb_define, cb_undef): Unconditionally process
7771 * tradcpp.c (main): Fix typo.
7773 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7775 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7776 (read_name_map): Use IS_ABSOLUTE_PATH.
7777 * tradcpp.c (get_filename): Likewise.
7779 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7781 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7782 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7783 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7784 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7785 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7786 (cmphi_z_used): Don't use '@' for the output.
7787 (tstqi_z_used): Likewise.
7788 (cmpqi_z_used): Likewise.
7789 (one_cmplsi2): Likewise.
7791 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7793 * config/sh/sh.c (barrier_align): Recognize branch around far
7794 branch and redundant insn.
7796 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7798 * invoke.texi: Restore documentation of the drivers' switches -MD
7801 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7803 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7805 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7806 check-objc//%): Support parallel testing of multilibs.
7807 (TESTSUITEDIR): Set to testsuite by default, but override for
7809 (check-gcc, check-g++, check-g77, check-objc): Enter
7812 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7814 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7815 * sched-deps.c (deps_may_trap_p): Likewise.
7816 * basic-block.h: Remove a comment.
7817 * flow.c (PROP_POSTRELOAD): Remove.
7818 (update_life_info): Don't add it to prop_flags.
7819 (mark_set_1): Lose the code that was enabled by it.
7821 2001-01-11 Michael Hayes <mhayes@redhat.com>
7823 * flow.c (flow_call_edges_add): New.
7824 * basic_block.h (flow_call_edges_add): New.
7826 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7828 * reload1.c (move2add_note_store): Update reg_set_luid even if
7829 base reg remains the same.
7831 2001-01-10 Nick Clifton <nickc@redhat.com>
7833 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7834 machine_function structure to zero.
7835 Add prototypes for machine_status functions.
7837 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7839 * c-common.h (CTI_VOID_LIST): Remove.
7840 (void_list_node): Likewise.
7841 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7842 (void_list_node): New macro.
7843 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7844 * config/i386/i386.c (ix86_init_builtins): Likewise.
7845 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7847 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7849 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7850 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7852 * tradcpp.c: Include mkdeps.h.
7853 (deps, print_deps_phony_targets, deps_append, output_deps,
7854 init_dependency_output, output_deps): New.
7855 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7856 deps_output): Delete.
7857 (print_deps_missing_files): Rename deps_missing_files.
7858 (inhibit_output): Make global.
7859 (main): Delete inhibit_output, deps_stream, deps_target.
7860 Use mkdeps functionality in the same way as cpplib. Remove
7861 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7862 -M and -MM. Remove old handling of deps via deps_out, and
7863 old reading of environment variables.
7864 (get_filename): Update to use deps_add_dep.
7866 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7868 * output.h (make_function_rtl): Remove prototype.
7869 (make_decl_rtl): Likewise.
7870 * varasm.c (make_function_rtl): Remove.
7871 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7872 than from a third parameter.
7873 * tree.h (make_decl_rtl): Remove last parameter.
7874 * c-decl.c (builtin_function): Remove last argument in call to
7875 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7876 (start_function): Likewise.
7877 * except.c (call_get_eh_context): Likewise.
7878 * expr.c (emit_block_move): Likewise.
7879 (clear_storage): Likewise.
7880 * profile.c (output_func_start_profiler): Likewise.
7881 * toplev.c (rest_of_decl_compilation): Likewise.
7882 * objc/objc-act.c (create_builtin_decl): Likewise.
7883 (synth_module_prologue): Likewise.
7884 (generate_static_reference): Likewise.
7885 (build_selector_reference_decl): Likewise.
7886 (build_class_reference_decl): Likewise.
7887 (build_objc_string_decl): Likewise.
7888 (build_protocol_reference): Likewise.
7890 2001-01-10 Richard Henderson <rth@redhat.com>
7892 * hwint.h: Revert yesterday's change.
7894 2001-01-10 Nick Clifton <nickc@redhat.com>
7896 * function.h (save_machine_status): Delete.
7897 (restore_machine_status): Delete.
7898 Amend comment describing {init|mark|free}_machine_status.
7900 * function.c (save_machine_status): Delete.
7901 (restore_machine_status): Delete.
7902 Amend comment describing {init|mark|free}_machine_status.
7903 (push_function_context_to): Remove invocation of
7904 save_machine_status.
7905 (pop_function_context_from): Remove invocation of
7906 restore_machine_status.
7908 * emit-rtl.c (init_emit_once): Amend comment describing
7909 {init|mark|free}_machine_status.
7911 * tm.texi (Per-Function Data): New node. Describe the
7912 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7915 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7917 * cppinit.c (OPT_g): Remove.
7918 (cpp_handle_option): Update for removed -g3.
7919 (print_help): Update.
7920 * cpplib.h (struct cpp_options): Remove debug_output.
7921 * cppmain.c (setup_callbacks, cb_define): Update.
7922 * gcc.c (cpp_options): Translate -g3 to -dD.
7924 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7926 * config/i960/i960.md: Change modifier to + on the zero_extract
7927 pattern after the (rotate -2 reg) canonicalization pattern.
7929 2001-01-10 Richard Henderson <rth@redhat.com>
7931 * config/alpha/alpha.c (alpha_free_machine_status): New.
7932 (override_options): Install it.
7933 (alpha_mark_machine_status): Verify machine non-null.
7934 * config/i386/i386.c (ix86_free_machine_status): New.
7935 (override_options): Install it.
7936 (ix86_init_machine_status): Use xcalloc.
7937 (ix86_mark_machine_status): Verify machine non-null.
7938 * config/ia64/ia64.c (ia64_free_machine_status): New.
7939 (ia64_override_options): Install it.
7940 (ia64_mark_machine_status): Verify machine non-null.
7942 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7944 * function.c (instantiate_virtual_regs): Instantiate virtual
7945 registers found in CALL_INSN_FUNCTION_USAGE.
7947 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7949 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7950 equivalent to -ansi in disabling -Di386.
7952 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7954 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7956 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7958 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7960 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7962 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7964 * invoke.texi: Document that -fcond-mismatch isn't supported for
7967 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7969 * gcc.texi: Define macro gcctabopt.
7970 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7971 @command, @env and @option in some places where appropriate. Use
7972 @gcctabopt where appropriate. Put URLs and email addresses inside
7975 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7977 * gcc.c (cpp_options): Set MD file name from output
7978 filename, if specified.
7979 (suffix_subst): New static variable.
7980 (do_spec): Clear it.
7981 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7983 (give_switch): Handle suffix_subst.
7985 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7987 * invoke.texi: Fix another typo.
7989 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7991 * invoke.texi: Fix typo.
7993 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7995 * c-lang.c (lang_hooks): Update.
7996 (lang_decode_option): Remove.
7997 (lang_init_options): Rename c_init_options.
7998 * toplev.c (main): Use lang_hooks for lang_init_options
7999 and lang_decode_option.
8000 * toplev.h (lang_hooks): Add 2 new hooks.
8001 * tree.h: Remove lang_init_options and lang_decode_option.
8002 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8003 * cp/decl2.c: Similarly.
8004 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8005 (lang_hooks): Update.
8006 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8008 (lang_init_options): Rename ffe_init_options.
8009 (lang_hooks): Update.
8010 (lang_decode_option): Remove.
8011 * java/lang.c (lang_init_options): Rename java_init_options.
8012 (lang_decode_option): Rename java_decode_option.
8013 (lang_hooks): Update.
8014 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8015 (lang_decode_option): Rename objc_decode_option.
8016 (lang_hooks): Update.
8018 2001-01-09 Nick Clifton <nickc@redhat.com>
8020 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8021 (d30v_return_addr_rtx): Delete.
8022 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8023 cfun->machine structure.
8024 (struct machine_function): Move to d30v.h
8025 (d30v_save_machine_status): Delete.
8026 (d30v_restore_machine_status): Delete.
8027 (d30v_init_machine_status): New Function.
8028 (d30v_mark_machine_status): New Function.
8029 (d30v_free_machine_status): New Function.
8030 (d30v_init_expanders): Use new functions.
8031 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8032 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8033 d30v_return_addr_rtx.
8035 * config/d30v/d30v.h (struct_machine): Move here.
8036 Add eh_epilogue_sp_ofs field.
8038 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8039 field in cfun->machine structure.
8041 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8043 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8044 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8045 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8047 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8049 * objc/lang-options.h: Remove bogus reference to
8052 2001-01-09 Kazu Hirata <kazu@hxi.com>
8054 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8057 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8059 * reload.c (find_reloads_address): Check for eliminable registers
8060 when substituting a constant expression for a pseudo.
8062 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8064 * c-common.c (enum format_type): Add format_type_error.
8065 (decode_format_type): New function.
8066 (decl_attributes): Use it.
8067 (format_kind_info): Adjust comment.
8069 2001-01-09 David O'Brien <obrien@BSDi.com>
8071 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8072 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8074 * config/i386/gnu.h: Don't include required platform specific .h files,
8075 tm.h will do it instead.
8076 * config/i386/i386elf.h: Likewise.
8077 * config/i386/linux.h: Likewise.
8078 * config/i386/moss.h: Likewise.
8079 * config/mips/gnu.h: Likewise.
8081 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8083 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8084 (rs6000-ibm-aix3.[01]*): Likewise.
8085 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8086 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8087 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8088 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8089 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8090 (powerpc-*-eabiaix*): Likewise.
8091 (powerpc-*-eabisim*): Likewise.
8092 (powerpc-*-elf*): Likewise.
8093 (powerpc-*-eabi*): Likewise.
8094 (powerpc-*-rtems*): Likewise.
8095 (powerpc-*-linux*libc1): Likewise.
8096 (powerpc-*-linux*): Likewise.
8097 (powerpc-wrs-vxworks*): Likewise.
8098 (powerpcle-wrs-vxworks*): Likewise.
8099 (powerpcle-*-sysv*): Likewise.
8100 (powerpcle-*-elf*): Likewise.
8101 (powerpcle-*-eabisim*): Likewise.
8102 (powerpcle-*-eabi*): Likewise.
8103 (powerpcle-*-solaris2*): Likewise.
8104 * config/rs6000/aix31.h: Delete includes.
8105 * config/rs6000/aix3newas.h: Likewise.
8106 * config/rs6000/aix41.h: Likewise.
8107 * config/rs6000/aix43.h: Likewise.
8108 * config/rs6000/beos.h: Likewise.
8109 * config/rs6000/rtems.h: Likewise.
8110 * config/rs6000/sysv4.h: Likewise.
8112 2001-01-09 Kazu Hirata <kazu@hxi.com>
8114 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8115 Change an argument mode of machine_mode to shift_mode of
8116 shift_mode. Remove an extra error check.
8117 (emit_a_shift): Adopt to the new calling prototype of
8119 (function_prologue): Fix code for a monitor
8120 function. Support H8/S.
8121 (function_epilogue): Do not output pop for a monitor function.
8123 2001-01-09 Nick Clifton <nickc@redhat.com>
8125 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8126 (setup_incoming_varargs): Use sysv_varargs_p field of the
8127 cfun->machine structure.
8128 (struct machine_function): Move to rs6000.h
8129 (rs6000_save_machine_status): Delete.
8130 (rs6000_restore_machine_status): Delete.
8131 (rs6000_init_machine_status): New Function.
8132 (rs6000_free_machine_status): New Function.
8133 (rs6000_init_expanders): Use new functions.
8135 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8137 (struct machine_function): Move here.
8139 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8140 sysv_varargs_p field of the cfun->machine structure.
8142 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8144 (rs6000_restore_machine_status): Remove prototype.
8146 2001-01-09 Richard Henderson <rth@redhat.com>
8148 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8149 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8150 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8151 (sched_analyze_2, sched_analyze_insn): Likewise.
8152 (sched_analyze, init_deps): Likewise.
8153 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8154 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8155 (compute_block_backward_dependences): Update propagate_deps call.
8157 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8159 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8161 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8163 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8164 (cpp_handle_option): Handle them.
8165 (cpp_post_options): Ensure one of -M or -MM is specified with
8166 any other -M? option.
8167 (init_dependency_output): Suppress output with -MG.
8169 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8172 * invoke.texi: Update.
8174 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8176 * sh.md (reload_outsf): Generate recognizable patterns for
8179 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8181 * c-lang.c (lang_hooks): Update.
8182 (lang_init): Rename c_init.
8183 (lang_finish): Remove.
8184 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8186 * toplev.h (lang_hooks): Add init () and finish ().
8187 * tree.h (lang_init, lang_finish): Remove.
8188 * cp/tree.h (lang_init, lang_finish): Remove.
8189 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8190 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8192 (lang_init, lang_finish): Remove.
8193 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8194 (lang_hooks): Update.
8195 * java/lang.c (lang_init): Rename java_init.
8196 (lang_finish): Remove.
8197 (lang_hooks): Update.
8198 * objc/objc-act.c (lang_init): Rename objc_init.
8199 (lang_finish): Remove.
8200 (lang_hoooks): Update.
8202 20001-01-09 Graham Stott <grahams@redhat.com>
8204 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8205 after `ptr` is initialised.
8207 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8209 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8210 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8211 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8212 stack adjusts, instead of r3.
8214 2001-01-09 Michael Hayes <mhayes@redhat.com>
8216 * flow.c (flow_loop_scan): Break out of ...
8217 (flow_loops_find) ... here.
8218 * basic-block.h (flow_loop_scan): New.
8219 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8220 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8222 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8224 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8226 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8227 realloc()ing macro_buffer.
8229 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8230 if it's wider than long and the target's long is wider than the
8233 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8235 Remove support for using UWIN as a host machine.
8236 * configure.in: Issue an error message.
8237 * configure: Regenerated.
8238 * config.gcc: Remove xm_* UWIN configury.
8239 * config/i386/xm-uwin.h: Remove.
8241 2001-01-08 Nick Clifton <nickc@redhat.com>
8243 * config/v850/v850.c (ra_rtx): Delete.
8244 (v850_save_machine_status): Delete.
8245 (v850_restore_machine_status): Delete.
8246 (v850_init_machine_status): New function.
8247 (v850_mark_machine_status): New function.
8248 (v850_free_machine_status): New function.
8249 (v850_return_addr): Use ra_rtx field in machine structure.
8250 (v850_init_expanders): Use new functions.
8252 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8253 * config/v850/v850.c: Change arguments to v850_output+* functions
8254 to take a const char *, to avoid compile time warning.
8255 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8256 (USER_LABEL_PREFIX): Redefine.
8258 2000-01-08 Jim Wilson <wilson@redhat.com>
8260 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8261 1 to unsigned HOST_WIDE_INT before left shift.
8263 2001-01-08 Nick Clifton <nickc@redhat.com>
8265 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8266 the machine structure has been allocated.
8267 (arm_free_machine_status): New function: Free the machine
8268 specific function structure.
8270 2001-01-08 Richard Henderson <rth@redhat.com>
8272 * jump.c (simplejump_p): Revert last change.
8274 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8276 * cppinit.c (init): Rename init_library.
8277 (cpp_create_reader): Update.
8278 * gcc.c (cpp_options): If -o given, use it as the target of
8281 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8283 * arm.c (arm_arch5e): New variable.
8284 (all_cores): XScale is a 5TE device.
8285 (arm_override_options): Set arm_arch5e.
8286 (arm_init_builtins): __builtin_prefetch is in arch5e.
8287 * arm.h (arm_arch5e): Declare it.
8289 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8291 * arm.md (define_constants): Add defines for UNSPEC and
8292 UNSPEC_VOLATILE insns. Update all users.
8293 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8294 * arm.c (multi_register_push, note_invalid_constants)
8295 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8296 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8297 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8299 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8301 * jump.c (jump_optimize_1): Use reversed_comparison_code
8302 instead of can_reverse_comparison_p.
8303 (jump_back_p): Likewise.
8304 (invert_exp_1): Likewise.
8305 (thread_jumps): Likewise.
8306 * simplify-rtx.c (simplify_unary_operation): Likewise.
8307 (simplify_ternary_operation): Likewise.
8308 * cse.c (find_comparison_args): Convert to use
8309 can_reverse_comparison_p.
8310 (record_jump_equiv): Likewise.
8312 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8314 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8315 (EPILOGUE_USES): Define.
8316 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8317 automatically stack the LR if it isn't live.
8319 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8321 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8324 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8326 * ggc-page.c (max_alignment): New structure.
8327 (MAX_ALIGNMENT): New macro.
8328 (init_ggc): Use it to round up the sizes in the
8329 extra_order_size_table.
8331 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8333 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8336 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8338 * builtins.def (BUILT_IN_FPRINTF): New entry.
8340 * c-common.c (c_expand_builtin_fprintf): New function.
8341 (init_function_format_info): Handle __builtin_fprintf.
8342 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8343 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8345 * c-decl.c (duplicate_decls): Adjust comment.
8347 * extend.texi (fprintf): Document new builtin.
8349 2001-01-07 Richard Henderson <rth@redhat.com>
8351 * jump.c (simplejump_p): Recognize any single_set jump
8354 2001-01-07 Richard Henderson <rth@redhat.com>
8356 * configure.in (slibdir): Accept an --with-slibdir option.
8357 Use "test" not "[" in configure. Default to $(libdir).
8359 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8361 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8362 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8363 (SHLIB_LINK): Create links for the soname.
8364 * config/mips/t-iris6: Likewise.
8365 * config/sparc/t-slibgcc: Likewise.
8366 * config/sparc/t-slibgcc-sld: Likewise.
8368 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8370 * config/i386/i386.c (constant_call_address_operand): Accept
8371 (const (plus (symbol_ref) (const_int))).
8372 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8373 constant_call_address_operand.
8375 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8377 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8378 and LONG_LONG_TYPE_SIZE > 32.
8380 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8382 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8383 the previous change.
8385 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8387 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8389 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8390 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8391 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8394 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8396 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8398 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8400 * c-lang.c (c_post_options): Call cpp_post_options.
8401 * objc/objc-act.c (objc_post_options): Similarly.
8402 * cppmain.c (main): Similarly.
8403 * fix-header.c (read_scan_file): Similarly.
8404 * cppinit.c (cpp_start_read): Move option consistency checks
8405 to cpp_post_options. Don't call init_dependency_output.
8406 If needed, add default target and main file dependency.
8407 (OPT_MD, OPT_MMD): Remove.
8409 (cpp_handle_option): Update for OPT_* changes.
8410 (cpp_post_options): New.
8411 (init_dependency_output): Command line -MF overrides environment
8412 variables. Don't set default target etc. Suppress output
8413 if dependencies are going to stdout.
8414 (print_help): Update.
8415 * cpplib.h (cpp_post_options): New.
8416 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8418 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8420 * jump.c (comparison_dominates_p): Support unordered compares.
8422 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8424 * simplify-rtx.c (simplify_relational_operation): Always simplify
8425 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8428 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8430 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8431 (nonzero_bits): Likewise.
8432 (simplify_comparison): Likewise.
8433 (num_sign_bit_copies): Likewise; return more sane value depending
8434 on STORE_FLAG_VALUE.
8435 (known_cond): Do not assume EQ to be always true for equivalent
8438 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8440 * cse.c (fold_rtx): Handle unordered comparisons.
8442 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8444 * rtlanal.c (set_of_1): New static function.
8445 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8446 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8447 reg_set_last_last_regno): Remove.
8448 (set_of): New global function.
8449 (set_of_data): New structure.
8450 (reg_set_p, reg_set_last): Revamp for set_of.
8451 * rtl.h (set_of): New.
8453 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8455 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8456 * extend.texi: Document _Exit builtin.
8458 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8460 * (initialize, initialize_builtins,
8461 initialize_dependency_output, initialize_standard_includes):
8462 Rename s/initialize/init. Update.
8463 (init_dependency_output): Move to after
8464 cpp_handle_options, the correct location temporally at least.
8465 (opt_comp): Move next to init (), its caller. Fix prototype.
8466 (init): Make "initialized" local scope.
8467 (cpp_create_reader): Always call init ().
8468 (cpp_start_read): Update.
8469 (output_deps): New function, broken out of cpp_finish.
8470 (cpp_finish): Break out output_deps.
8472 2001-01-07 Richard Henderson <rth@redhat.com>
8474 * collect2.c (COFF specific stuff): Revert 12-06 patch
8475 to prototype system functions.
8477 2001-01-07 Michael Hayes <mhayes@redhat.com>
8479 * hard-reg-set.h: Add multiple include guard.
8480 * basic-block.h (struct loop): Add `sink' field.
8481 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8482 (emit_iv_add_mult): Delete.
8483 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8484 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8485 (unroll_loop): Remove end_insert_before argument.
8486 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8487 (maybe_eliminate_biv_1): Likewise.
8488 (emit_iv_add_mult): Delete.
8489 (gen_add_mult, loop_regs_update): New.
8490 (loop_insn_emit_after, loop_insn_emit_before): New.
8491 (loop_insn_sink, loop_insn_sink_or_swim): New.
8492 (emit_iv_add_mult): Delete.
8493 (scan_loop): Set loop->sink.
8494 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8495 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8496 (maybe_eliminate_biv_1): Likewise.
8497 (maybe_eliminate_biv_1): Add basic block argument.
8498 * unroll.c (unroll_loop): Remove end_insert_before argument.
8499 (find_splittable_regs): Likewise.
8500 (find_splittable_regs): Use loop_insn_sink and its ilk.
8501 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8503 2001-01-07 Michael Hayes <mhayes@redhat.com>
8505 * loop.h (loop_insn_hoist): New prototype.
8506 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8507 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8508 (check_dbra_loop, load_mems): Likewise.
8509 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8510 (find_splittable_givs): Likewise.
8512 2001-01-07 Michael Hayes <mhayes@redhat.com>
8514 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8516 2001-01-07 Richard Henderson <rth@redhat.com>
8518 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8520 2001-01-07 Richard Henderson <rth@redhat.com>
8522 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8523 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8524 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8525 variant that handles a shared libgcc.
8526 (process_command): Always validate -{static,shared}-libgcc.
8527 (do_spec_1): New 'M' case.
8528 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8530 2001-01-07 Richard Henderson <rth@redhat.com>
8532 * Makefile.in (slibdir): New variable.
8533 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8534 (installdirs): Create slibdir.
8535 (install-libgcc, install-multilib): Defer to libgcc.mk.
8536 * configure.in (slibdir): Substitute.
8537 * mklibgcc.in (install): New target.
8539 * config/t-linux (SHLIB_LINK): Create links for the soname.
8540 (SHLIB_INSTALL): New.
8541 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8542 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8543 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8544 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8545 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8547 2001-01-07 Richard Henderson <rth@redhat.com>
8549 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8550 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8551 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8553 2001-01-07 Michael Hayes <mhayes@redhat.com>
8555 * loop.c (count_loop_regs_set): Delete.
8556 (load_mems_and_recount_loop_regs_set): Delete.
8557 (loop_regs_scan): Merge common code from count_loop_regs_set,
8558 scan_loop, and load_mems_and_recount_loop_regs_set.
8559 (scan_loop): Call load_mems directly and loop_regs_scan
8560 again if new registers created.
8562 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8564 * toplev.c (main): Call the front-end specific post_options
8565 hook if one is given.
8566 * toplev.h (struct_lang_hooks, lang_hooks): New.
8567 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8568 for the C front end.
8569 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8570 lang_hooks for the C++ front end.
8571 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8572 lang_hooks for the ObjC front end.
8573 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8574 * java/lang.c (lang_hooks): Hooks for the Java front end.
8576 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8578 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8579 for verbose DWARF[2] debugging.
8580 (cb_define, cb_undef): The new callbacks.
8581 * toplev.h (debug_define, debug_undef): Make const correct.
8582 * toplev.c (debug_define, debug_undef): Similarly. Do not
8583 perform the verbosity tests here anymore.
8585 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8587 * reload.c (subst_reloads): Take INSN argument. When
8588 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8589 * reload.h (subst_reloads): Adjust prototype.
8590 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8591 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8592 present in JUMP_INSNs and copy them to JUMP_LABEL.
8593 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8594 JUMP_INSNs and insns with REG_LABELs that are followed by
8595 JUMP_INSNs with the same REG_LABEL.
8596 * sched-rgn.c (is_cfg_nonregular): Likewise.
8597 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8599 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8601 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8603 2001-01-06 Richard Henderson <rth@redhat.com>
8605 * loop.c (scan_loop): Use xcalloc for the regs array.
8606 (load_mems_and_recount_loop_regs_set): Zero the new memory
8607 received from xrealloc.
8609 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8611 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8613 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8615 * integrate.c (copy_rtx_and_substitute): When copying
8616 an ignored return value, strip REG_FUNCTION_VALUE_P.
8618 2001-01-06 Michael Hayes <mhayes@redhat.com>
8620 * loop.c (debug_biv, debug_giv): New.
8621 (loop_biv_dump): Break out from ...
8622 (record_biv): ... here.
8623 (loop_giv_dump): Break out from ...
8624 (record_giv): ... here.
8625 (loop_bivs_check): Use print_simple_rtl.
8626 * unroll.c (loop_iterations): Use print_simple_rtl.
8628 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8630 * pa.md (return, return_internal): Modify patterns to prevent regrename
8631 mucking with the return pointer.
8633 2001-01-05 Richard Henderson <rth@redhat.com>
8635 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8637 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8639 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8640 version supplied by Matteo Frigo.
8642 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8644 * cpp.texi: Update for -MQ.
8645 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8646 (cpp_cleanup): Always free pfile->deps.
8647 (initialize_dependency_output): Don't create pfile->deps.
8648 (cpp_handle_option): Similarly.
8650 * gcc.c (cpp_options): Handle -MQ.
8651 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8652 * mkdeps.c (base_name): Remove.
8653 (deps_init): Don't allocate vector space until it's needed.
8654 (deps_free): Only free vectors if allocated.
8655 (deps_add_target, deps_add_dep): Update for initial allocation.
8656 (deps_add_default_target): Don't strip to the base_name.
8658 2001-01-05 DJ Delorie <dj@redhat.com>
8660 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8661 (INIT_EXPANDERS): Define.
8663 * config/v850/v850.c (struct machine_function): Define.
8664 (v850_save_machine_status): New function.
8665 (v850_restore_machine_status): New function.
8666 (v850_return_addr): New function.
8667 (v850_init_expanders): New function.
8669 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8670 and v850_init_expanders.
8672 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8674 * cpplib.h (struct cpp_reader): Add help_only field.
8675 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8676 (cpp_handle_option): Set pfile->help_only if we see -h,
8677 --help, -target-help, or --version. Print version string but
8678 do not set help_only if we see -v or -version. Make text
8679 printed by -v match that printed by (-)-version.
8681 * cppmain.c (main): Exit after option parsing if
8682 pfile->help_only is true.
8684 * toplev.c (independent_decode_option): Call print_version,
8685 then exit, if we see --version (but not -version).
8686 (print_version): Split lengthy message into two lines.
8688 2001-01-05 Nick Clifton <nickc@redhat.com>
8690 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8691 temporary string for initialisation before calling ggc_alloc_string.
8693 2001-01-06 Michael Hayes <mhayes@redhat.com>
8695 * rtl.h (print_simple_rtl): New.
8696 * print-rtl.c (print_simple_rtl): New.
8698 (print_rtx): Disable printing of flags and modes, etc.,
8699 if `flag_simple` nonzero.
8701 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8703 * function.c (fixup_var_refs): Use push_to_full_sequence where
8706 2001-01-05 Michael Meissner <meissner@redhat.com>
8708 * flags.h (flag_reorder_blocks): Add declaration.
8709 (flag_rename_block): Ditto.
8711 2001-01-05 DJ Delorie <dj@redhat.com>
8713 * function.c (reorder_blocks): Make sure the flags are all reset
8714 before using them to mark blocks, else a second invocation will
8715 corrupt the block chain.
8716 (reorder_blocks_0): New, resets the flags.
8718 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8720 * cse.c (find_comparison_args): Stop if the argument is known to
8723 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8725 * config/sh/sh.md (movdf): When splitting load into pair of
8726 registers, don't clobber the register used in the address too
8729 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8731 * varasm.c (mark_constant_pool): Improve initial comments.
8732 (mark_constants): Move marking of constants to mark_constant.
8733 (mark_constant): New function to recursively mark all constants
8734 referred to by a constant.
8736 2001-01-05 Catherine Moore <clm@redhat.com>
8738 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8740 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8742 * cp/lang-options.h: Bring comment in line with reality.
8743 * f/lang-options.h: Likewise.
8744 * java/lang-options.h: Likewise.
8745 * objc/lang-options.h: Likewise.
8746 * ch/lang-options.h: Likewise.
8747 * f/g77.texi: And update the manual.
8749 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8750 Denis Chertykov <denisc@overta.ru>
8752 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8753 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8754 * config/avr/avr.md (all peepholes that request a scratch register):
8755 Call it, FAIL the peephole if not safe (in interrupt functions).
8757 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8759 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8761 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8763 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8765 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8766 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8767 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8768 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8769 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8771 * extend.texi: Document these builtins.
8773 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8775 * c-common.c (lang_get_alias_set): Say we know nothing of
8776 VECTOR_TYPE aliasing.
8778 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8780 2001-01-05 Bruce Korb <bkorb@gnu.org>
8782 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8783 their x* equivalent versions for atexit-less systems
8784 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8785 systems (or any other system any more).
8787 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8789 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8790 output operands. Use arm_hard_register_operand for operand 4.
8791 (stmsi_postinc): Similarly.
8792 (ldmsi): Use arm_hard_register_operand for opernand 2.
8794 * arm.c (arm_hard_register_operand): New function.
8795 * arm-protos.h (arm_hard_register_operand): Prototype it.
8797 * arm.h (HARD_REGNO_RENAME_OK): Define.
8799 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8801 * simplify-rtx.c (cfc_args): add "unordered" field.
8802 (check_fold_consts): Set unordered field.
8803 (simplify_relational_operation): Simplify the unordered
8806 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8809 * emit-rtl.c (try_split): Fix code to mark labels.
8810 * jump.c (mark_jump_label): Make global.
8811 * rtl.h (mark_jump_label): Declare.
8813 * predict.c (estimate_probability): Handle unordred comparisons.
8815 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8817 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8818 * cppinit.c (initialize_dependency_output): Update.
8819 (cpp_finish): Output dummy targets for -MP.
8821 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8822 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8823 * gcc.c (cpp_options): Update to handle -MP.
8824 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8825 to quote only the default target.
8826 (deps_phony_targets): Insert a preceding newline. Rename from
8827 deps_dummy_targets for consistency.
8830 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8832 * calls.c (emit_library_call_value_1): Support
8833 INIT_CUMULATIVE_LIBCALL_ARGS.
8834 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8836 2001-01-04 Richard Henderson <rth@redhat.com>
8838 * c-decl.c (finish_struct): Detect flexible array members
8839 used in an inappropriate context.
8840 * c-typeck.c (really_start_incremental_init): Special case
8841 constructor_max_index for zero length arrays.
8842 (pop_init_level): Allow initialization of flexible array
8843 members. Deprecate initialization of zero length arrays.
8844 Don't issue missing initializer warning for flexible array
8845 members or zero length arrays.
8846 (process_init_element): Don't dereference null DECL_SIZE.
8847 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8848 Don't abort for empty constructors. Use size_binop
8849 (output_constructor): Add commentary regarding zero length
8850 array futures. Abort if we try to initialize an array of
8851 unspecified length with a non-empty constructor in the middle
8854 * extend.texi (Zero Length): Update and clarify documentation
8855 on static initialization.
8857 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8859 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8860 with more than 32767 words of local storage.
8862 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8864 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8865 for 'abs', 'labs', and 'fabs'.
8866 (c4x_expand_builtin): Likewise.
8867 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8869 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8871 * config/sh/sh.md (prget, prset): New insn types.
8872 (return delay slot): Dont' allow prset.
8873 (call, sfunc delay slot): Don't allow prget.
8874 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8875 for prset and prget.
8877 2001-01-05 Michael Hayes <mhayes@redhat.com>
8879 * loop.h (struct loop_reg): New.
8880 (struct loop_regs): Change to use array of `struct loop_reg'.
8881 * loop.c: Replace assortment of varrays with single regs array.
8882 (count_one_set): Delete may_not_move array argument
8883 and use regs array instead. All caller's changed.
8884 (count_loop_regs_set): Delete may_not_move and single_usage
8885 arguments and use regs array instead. All caller's changed.
8886 (find_single_use_in_loop): Replace usage array argument with pointer
8887 to regs structure. All caller's changed.
8888 (loop_optimize): Delete `moved_once' array.
8890 2001-01-05 Michael Hayes <mhayes@redhat.com>
8892 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8893 Use it instead of loop_info->has_call for scanning loop mems.
8894 (check_dbra_loop): Replace loop_info->has_call test with
8895 loop_info->has_nonconst_call.
8897 2000-01-04 Matthew Hiller <hiller@redhat.com>
8899 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8902 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8904 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8905 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8907 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8909 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8910 (flag_short_double, flag_short_wchar): Define.
8911 (c_common_nodes_and_builtins): Create many tree nodes shared
8912 between C and C++ here instead of in cp/decl.c and ...
8913 * c-decl.c (init_decl_processing): ... here.
8914 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8915 (flag_short_double, flag_short_wchar): Don't define.
8916 (record_builtin_type): New function.
8917 (build_void_list_node): New function.
8918 * c-common.h (flag_short_double, flag_short_wchar,
8919 record_builtin_type, build_void_list_node): Declare.
8921 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8923 * integrate.c (expand_inline_function): Don't put a virtual
8924 register into the reg map.
8926 * function.c (fixup_var_refs_1): If force_operand didn't put
8927 the address into the target, move it there.
8929 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8931 Special-case tree_decl/tree_list allocations.
8932 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8933 (OBJECT_SIZE): New macro.
8934 (NUM_EXTRA_ORDER): Likewise.
8935 (extra_order_size_table): New variable.
8936 (NUM_ORDERS): New macro.
8937 (objects_per_page_table): New variable.
8938 (object_size_table): New variable.
8939 (G.pages): Use NUM_ORDERS to bound the array.
8940 (G.page_tails): Likewise.
8941 (DIV_ROUND_UP): Remove.
8942 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8943 (alloc_page): Use OBJECT_SIZE.
8944 (size_lookup): Don't make it const.
8945 (ggc_alloc): Use OBJECT_SIZE.
8946 (ggc_set_mark): Likewise.
8947 (ggc_get_size): Likewise.
8948 (init_ggc): Set up the object_size_table, objects_per_page_table,
8949 and adjust size_lookup.
8950 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8951 (ggc_pop_context): Use NUM_ORDERS.
8952 (clear_marks): Likewise.
8953 (sweep_pages): Likewise.
8954 (poison_pages): Likewise.
8955 (ggc_print_statistics): Use OBJECT_SIZE.
8957 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8959 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8960 Only call array_size_for_constructor if last field and array type
8961 with no upper bound.
8963 2001-01-04 Philip Blundell <philb@gnu.org>
8965 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8966 from bit 31 downwards, if this requires no more insns.
8967 (count_insns_for_constant): New helper function for above.
8969 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8971 * gencodes.c (output_predicate_decls): Remove empty initializer.
8973 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8975 * tree.c (copy_node): Remove documentation about obstacks.
8976 (buidl1): Check that nobody tries to build 2-argument nodes this
8979 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8981 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8984 * gencodes.c (output_predicate_decls): Fill empty initializer
8987 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8989 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8990 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8992 (do_include): Handle missing headers like cpp0.
8993 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8994 paths with first include pathname. Don't strcat to uninitialized
8997 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8999 * regrename.c (regrename_optimize): Don't rename from frame pointer
9000 if frame_pointer_needed.
9001 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9002 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9003 (ia64_reorg): Use it instead of scheduling if ! optimize.
9004 (errata_emit_nops): Properly call asm_noperands.
9005 (ia64_sched_reorder): Finish cycle if we see an asm.
9006 (ia64_variable_issue): Clear scheduling state after asms.
9008 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9010 * cpp.texi: Update for -MT.
9011 * cppinit.c (initialize_dependency_output): Add a default
9012 target if none has been given already.
9013 (no_tgt, OPT_MT): New.
9014 (cpp_handle_option): Handle -MT. Update -M etc.
9015 * cpplib.h (struct cpp_options): Remove deps_target.
9016 * gcc.c (cpp_options): Handle -MT.
9017 * mkdeps.c (struct deps): Move from mkdeps.h.
9018 (deps_calc_target): Rename deps_add_default_target. Add a
9019 default target if none has been specified already.
9020 * mkdeps.h (struct deps): Move to mkdeps.c.
9021 (deps_calc_target): Rename deps_add_default_target.
9023 2000-01-03 Richard Henderson <rth@redhat.com>
9025 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9027 * c-typeck.c (push_init_level): Move checks for flexible array
9028 members and zero length arrays ...
9029 (pop_init_level): ... here. Silently discard empty initializations.
9031 * varasm.c (output_constructor): Update for sizeof change to
9034 * extend.texi (Zero Length): Clarify semantics.
9036 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9038 * configure.in (tm.h): Include isns-codes.h last.
9039 * configure: Rebuilt.
9041 2001-01-03 Richard Henderson <rth@redhat.com>
9043 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9044 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9046 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9048 * tradcpp.c (main): Make sure finclude() is called with a valid
9049 indepth value while handling -include.
9051 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9053 * gencodes.c (output_predicate_decls): New function.
9055 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9056 even if it is not the first time machmode.h is #included.
9057 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9058 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9059 * gcc.texi (Copyright): Added 2001.
9061 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9063 * c-common.c (c_common_lang_init): New function. Warn if format
9064 warning options which only have effects when used with -Wformat
9065 are used without -Wformat.
9066 * c-common.h (c_common_lang_init): Declare.
9067 * c-lang.c (lang_init): Call c_common_lang_init.
9068 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9070 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9072 * configure.in: Check for the mktemp command.
9073 * configure: Regenerate.
9074 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9075 $TEMP. Create temporary files with mktemp, if available at
9076 configure time; otherwise use set -C. Remove temporary files
9079 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9081 * configure.in: Require at least texinfo 4.0. Check for whether
9082 Pod::Man is sufficiently recent to regenerate GCC manpages.
9083 * configure: Regenerate.
9084 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9086 (GENERATED_MANPAGES): Define.
9087 (generated-manpages): New target. Depend on cpp.1 as well as
9089 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9090 configure to generated-manpages or empty) rather than on the
9091 manpages directly. Remove execute permission from installed
9092 gcov.1 as well as cpp.1.
9093 * cpp.1, gcov.1: Regenerate.
9095 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9097 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9098 tree_low_cst. Allow using cmpstrsi in more cases.
9100 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9102 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9105 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9107 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9108 * Makefile.in (HOST_CFLAGS): Mention build-make.
9110 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9112 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9115 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9117 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9120 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9123 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9124 reg_base_value and reg_known_value arrays.
9125 (init_alias_analysis): Add more cases to detect known values.
9126 * sched-deps.c (deps_may_trap_p): New function.
9127 (sched_analyze_2): Use it.
9129 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9131 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9132 don't discard an ASHIFTRT if we're shifting in a wider mode.
9134 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9136 * toplev.c (rest_of_compilation): Don't print basic block information
9137 when CFG isn't up to date.
9139 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9141 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9142 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9143 (UNALIGNED_SHORT_ASM_OP): Define.
9144 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9146 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9148 * fold-const.c (fold_convert): Fix typo.
9150 2001-01-02 Richard Henderson <rth@redhat.com>
9152 * c-common.h (ASM_INPUT_P): New.
9153 * c-parse.in (asm): Set it when needed.
9154 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9155 existance of an operand.
9157 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9159 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9160 (dwarf2out_frame_debug_expr): Likewise.
9161 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9163 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9165 * i386.c (ix86_split_to_parts): Return number of part required;
9167 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9169 (ix86_split_long_move): Use number of part returned
9170 by ix86_split_to_parts
9171 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9173 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9174 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9175 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9176 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9177 (ALIGN_MODE_128): Add TFmode.
9178 (IS_STACK_MODE): Likewise.
9179 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9180 (HARD_REGNO_OK): Support TFmodes.
9181 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9182 * i386.md (scheduler definitions): Use memory operand to determine
9183 fst/fld instructions; use mode attribute to determine real mode of
9185 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9186 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9188 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9190 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9192 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9194 * expr.c (store_constructor_field): Update ALIGN before calling
9197 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9199 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9202 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9204 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9207 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9209 * c-decl.c (start_function): Don't warn on third parameter to main.
9211 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9213 * tsystem.h: Define HAVE_DECL_GETOPT.
9215 2001-01-02 Philip Blundell <pb@futuretv.com>
9217 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9220 2001-01-02 Richard Henderson <rth@redhat.com>
9222 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9224 2001-01-02 Andreas Jaeger <aj@suse.de>
9226 * c-decl.c (c_decode_option): Remove support of
9229 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9230 (W_options): Add -Wmissing-noreturn here.
9232 * flow.c: Define lang_missing_noreturn_ok_p.
9233 (check_function_return_warnings): Use it.
9235 * c-common.h: Declare lang_missing_noreturn_ok_p.
9237 * c-lang.c (c_missing_noreturn_ok_p): New function.
9238 (lang_init): Set lang_missing_noreturn_ok_p.
9240 * invoke.texi (Warning Options): Document this.
9242 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9244 * extend.texi (C++ Extensions): New node for C++ attributes;
9245 describe init_priority and com_interface.
9246 * invoke.texi: Remove -finit-priority as it now has zero effect.
9247 * install.texi: Fix xref syntax.
9248 * md.texi: Likewise.
9250 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9252 * config.gcc (sparc64-wrs-vxworks*): New case.
9253 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9255 * config/sparc/sparc.c (sparc_override_options): Do support different
9256 pointer and architecture size.
9257 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9258 (POINTERS_EXTEND_UNSIGNED): Define.
9259 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9260 (FUNCTION_MODE): Define to be Pmode.
9261 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9263 * function.c (expand_function_end): Properly handle DECL_RESULT
9264 and copy when ptr_mode != Pmode.
9265 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9267 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9269 * c-common.c (c_common_nodes_and_builtins): Set prototype
9270 parameters for __builtin_fputs, __builtin_fputc and
9271 __builtin_fwrite. Don't declare plain fputc as a builtin.
9273 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9275 * loop.c (add_label_notes): Increment the label usage count when
9276 a note is added to an insn which refers to a CODE_LABEL.
9277 * gcse.c (add_label_notes): Likewise.
9279 2001-01-01 Andreas Jaeger <aj@suse.de>
9281 * loop.c (scan_loop): Use xmalloc to allocate movables.
9283 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9285 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9286 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9287 * reload1.c (REGISTER_MOVE_COST): Likewise.
9288 * regclass.c (REGISTER_MOVE_COST): Likewise.
9289 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9290 dimension. Adjust all users.
9291 (init_reg_sets_1): Iterate on all modes.
9292 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9293 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9294 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9295 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9296 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9297 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9298 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9299 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9300 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9301 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9302 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9303 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9304 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9305 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9306 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9307 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9308 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9309 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9310 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9311 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9312 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9313 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9314 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9315 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9316 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9317 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9318 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9320 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9322 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9323 arg VARIES_P. Call it with extra arg.
9324 (true_dependence): Likewise.
9325 * rtl.h (rtx_addr_can_trap_p): Declare.
9326 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9328 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9329 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9330 pic offset table register if it's zero. All callers changed.
9331 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9333 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9335 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9336 STRING_POOL_ADDRESS_P.
9338 * config/sparc/sparc.c (input_operand): Properly test for short op.
9340 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9341 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9342 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9343 * config/sparc/elf.h: No longer include sol2.h.
9344 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9345 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9347 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9349 2001-01-01 Michael Hayes <mhayes@redhat.com>
9351 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9352 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9353 (record_initial): Likewise.
9354 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9355 (remap_split_bivs): Likewise.
9357 2001-01-01 Michael Hayes <mhayes@redhat.com>
9359 * loop.c (loop_ivs_free): New function.
9360 (strength_reduce): Break out from...
9362 2001-01-01 Michael Hayes <mhayes@redhat.com>
9364 * loop.h (struct iv): New.
9365 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9366 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9367 'reg_biv_class' fields with 'regs' and 'n_regs'.
9368 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9369 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9370 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9372 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9374 * resource.c (mark_referenced_resources): Abort() before
9375 attempting to mark a pseudo register.
9376 (mark_set_resources): Likewise.
9378 2001-01-01 Michael Hayes <mhayes@redhat.com>
9380 * loop.h (REG_IV_CLASS): New accessor macro.
9381 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9382 * unroll.c (REG_IV_CLASS): Likewise.
9384 See ChangeLog.4 for earlier changes.
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