1 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3 * except.c (get_exception_filter): word_mode, not Pmode.
5 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
7 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
8 common to other movsf patterns. Move up so that in future
9 people who change the other patterns will change it too.
10 (movsf_lo_sum): Allow even for soft-float; add appropriate
12 (movsf_high): Likewise.
13 (movsf_high+1): Allow even for soft-float.
15 * function.c (expand_function_end): Always clobber the
16 return registers, even if there is no return label.
18 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
20 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
22 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
24 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
25 (pushqi2_rex64, pushhi2_rex64): Add.
27 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
29 * except.c (expand_eh_region_end_cleanup): Force pending stack
30 adjust before emitting label that branches around cleanup code.
32 2001-04-26 H.J. Lu (hjl@gnu.org)
34 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
36 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
38 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
39 (ASM_OUTPUT_SECTION_NAME): Likewise.
40 (ASM_WEAKEN_LABEL): Likewise.
41 (UNIQUE_SECTION): Likewise.
42 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
43 (ASM_OUTPUT_DESTRUCTOR): Likewise.
44 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
45 (ASM_OUTPUT_SECTION_NAME): Likewise.
46 (ASM_WEAKEN_LABEL): Likewise.
47 (UNIQUE_SECTION): Likewise.
48 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
49 (ASM_OUTPUT_DESTRUCTOR): Likewise.
50 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
51 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
52 (ASM_FILE_START): Likewise.
53 (ASM_OUTPUT_SOURCE_LINE): Likewise.
54 (ASM_DECLARE_OBJECT_NAME): Likewise.
55 (ASM_FILE_END): Likewise.
56 (ASM_DECLARE_FUNCTION_NAME): Likewise.
57 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
58 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
59 (ASM_OUTPUT_CASE_LABEL): Likewise.
60 (ASM_OUTPUT_SKIP): Likewise.
61 (ASM_OUTPUT_ASCII): Likewise.
62 (ASM_OUTPUT_IDENT): Likewise.
63 (READONLY_DATA_SECTION): Likewise.
64 (EXTRA_SECTIONS): Likewise.
65 (EXTRA_SECTION_FUNCTIONS): Likewise.
66 (SELECT_RTX_SECTION): Likewise.
67 (SELECT_SECTION): Likewise.
69 * config/mips/linux.h (INVOKE__main): Undefine.
70 (CTOR_LIST_BEGIN): Likewise.
71 (CTOR_LIST_END): Likewise.
72 (DTOR_LIST_BEGIN): Likewise.
73 (DTOR_LIST_END): Likewise.
74 (SET_ASM_OP): Defined it to ".dummy".
75 (ASM_OUTPUT_DEF): Defined.
76 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
78 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
80 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
81 assembler supports .p2align.
83 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
85 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
87 2001-04-26 Jakub Jelinek <jakub@redhat.com>
89 * integrate.c (expand_inline_function): Check for error_mark_node
92 2001-04-26 Jakub Jelinek <jakub@redhat.com>
94 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
97 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
99 * configure.in (configargs.h): Define thread_model.
100 * configure: Rebuilt.
101 * gcc.c (main): Print it with -v.
103 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
105 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
106 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
109 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
111 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
112 is_redundant_typedef): Use static inline instead of inline static.
114 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
116 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
117 this directory is always searched.
119 2001-04-25 Richard Henderson <rth@redhat.com>
121 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
122 of registers to restore along non eh_return path.
124 2001-04-25 Jakub Jelinek <jakub@redhat.com>
126 * c-format.c (check_format_info_recurse): Handle
127 PLUS_EXPR for format string.
129 2001-04-25 Jakub Jelinek <jakub@redhat.com>
131 * config/ia64/ia64.h (CC1_SPEC): Define.
132 * config/ia64/linux.h (CC1_SPEC): Define.
134 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
136 * emit-rtl.c (constant_subword): Also do sign extension in
137 BITS_PER_WORD == 16 case.
139 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
141 * loop.c (try_swap_copy_prop): Go back to checking insn.
143 2001-04-25 Jakub Jelinek <jakub@redhat.com>
145 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
146 if check_mode is non-zero.
148 2001-04-25 Jakub Jelinek <jakub@redhat.com>
150 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
151 out and comparison sequence has been detected, put result into
152 proper temporary pseudo.
154 2001-04-24 Zack Weinberg <zackw@stanford.edu>
156 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
157 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
158 * libgcc2.c: Remove __dummy and __builtin_saveregs.
159 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
160 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
161 for future reference.
163 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
165 * except.c (reachable_handlers): Step out one level from a RESX.
167 * except.c (struct eh_region): Rename 'last' to 'resume'.
168 (mark_eh_region, duplicate_eh_region_1): Adjust.
169 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
170 (build_post_landing_pads): Likewise.
171 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
172 (expand_eh_region_end_must_not_throw): Likewise.
173 (connect_post_landing_pads): Thread (only) regions with non-deleted
176 * except.c (expand_eh_region_end_cleanup): Save the EH return data
177 registers around the cleanup.
178 (get_exception_filter): New fn.
179 (finish_eh_generation): Use it.
181 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
183 * c-semantics.c (add_scope_stmt): Don't call
184 current_scope_stmt_stack multiple times.
186 2001-04-24 Zack Weinberg <zackw@stanford.edu>
187 Nathan Sidwell <nathan@codesourcery.com>
189 Lazy __FUNCTION__ generation.
190 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
191 RID_C99_FUNCTION_NAME): New _RIDs.
192 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
193 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
194 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
196 (function_id_node, pretty_function_id_node, func_id_node): Remove.
197 (c99_function_name_decl_node, function_name_decl_node,
198 pretty_function_name_decl_node, saved_function_name_decls):
200 (struct language_function): Remove x_function_name_declared_p.
201 (make_fname_decl): Remove a parameter.
202 (declare_function_names): Remove prototype.
203 (start_fname_decls, finish_fname_decls): Prototype.
204 (fname_as_string): Likewise.
205 (fname_string, fname_decl): Likewise.
206 * c-common.c (make_fname_decl): Adjust.
207 (struct fname_var_t): New struct.
208 (fname_vars): New static array.
209 (declare_function_name): Remove.
210 (start_fname_decls, finish_fname_decls): New functions.
211 (fname_as_string): New function from remnants of
212 declare_function_name.
213 (fname_string, fname_decl): New functions.
215 * c-decl.c (c_function_name_declared_p): Remove.
216 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
217 don't call declare_function_name. Call start_fname_decls.
218 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
219 clobber the line number. Call finish_decl.
220 (start_function): Call start_fname_decls.
221 (finish_function): Call finish_fname_decls.
222 Remove c_function_name_declared_p.
223 (push_c_function_context): Don't push c_function_name_declared_p.
224 (pop_c_function_context): Don't pop c_function_name_declared_p.
225 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
226 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
227 (program): Call finish_fname_decls for C.
228 (primary): Add VAR_FUNC_NAME.
229 (reswords): Add slots for __FUNCTION__ et al.
230 (rid_to_yy): Add mappings for __FUNCTION__ et al.
231 (yylexname): If it's a STRING_FUNC_NAME generate the function name
232 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
233 * c-semantics.c (prune_unused_decls): Remove.
234 (finish_stmt_tree): Don't call prune_unused_decls.
235 (genrtl_decl_stmt): Don't prune unused decls here.
237 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
239 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
240 constant pool, use the pool's SYMBOL_REF instead.
242 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
245 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
247 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
248 passing nested NOP_EXPRs to fold.
250 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
252 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
254 2001-04-22 Mark Mitchell <mark@codesourcery.com>
256 * loop.c (loop_delete_insns): Add prototype.
258 2001-04-23 Phil Edwards <pme@sources.redhat.com>
260 * configure.in: Remove ENABLE_STD_NAMESPACE.
261 * config.in: Regenerated.
262 * configure: Regenerated.
264 2001-04-22 Stan Shebs <shebs@apple.com>
266 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
268 * config/rs6000/xm-darwin.h: Remove file.
270 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
273 (write_c_file_stat): Likewise.
275 * dbxout.c (dbxout_init): Likewise.
277 * profile.c (output_func_start_profiler): Likewise.
279 2001-04-22 Philipp Thomas <pthomas@suse.de>
281 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
282 require it instead of the CVS version.
283 * cpperror.c (v_message): Put a blank before the macro
284 body to not confuse exgettext.
286 2001-04-21 Mark Mitchell <mark@codesourcery.com>
288 * flow.c (proagate_one_insn): Remove useless assignment.
289 * jump.c (delete_insn): Tidy.
290 * loop.c (try_copy_prop): When deleting an instruction with a
291 REG_RETVAL note, delete the entire libcall sequence.
292 (loop_delete_insns): New function.
293 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
294 we're not substituting into them yet.
296 2001-04-21 Kazu Hirata <kazu@hxi.com>
298 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
300 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
302 * config/i960/i960.c (signed_arith_operand): Likewise.
304 * calls.c (expand_call): Fix a comment typo.
306 2001-04-20 Zack Weinberg <zackw@stanford.edu>
308 * configure.in: Probe for times, clock, struct tms, and clock_t.
309 * configure, config.in: Regenerate.
310 * timevar.c: Replace ifdef forest in get_time with (relatively)
311 straightforward series of checks based on autoconf's probes.
313 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
315 * config/pa/som.h (NM_FLAGS): Define.
317 2001-04-20 Bernd Schmidt <bernds@redhat.com>
319 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
321 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
322 * ia64.c (nop_cycles_until): New function.
323 (prev_cycle, prev_first, last_issued): New static variables.
324 (ia64_sched_reorder): Additional arg for clock.
325 On final scheduling pass, emit extra NOPs as needed.
326 Set prev_first and prev_cycle.
327 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
328 (ia64_variable_issue): Set last_issued.
330 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
332 * config/i386/i386.c (ix86_expand_int_movcc,
333 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
335 2001-04-20 Geoff Keating <geoffk@redhat.com>
337 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
338 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
339 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
340 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
341 ctrdi_internal6): In the short-branch case, this insn is only 4
342 bytes long. Reported by Reza Yazdani <reza@apple.com>.
344 2001-04-20 Jakub Jelinek <jakub@redhat.com>
346 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
347 "=u" is used together with "st" resp. "st(1)" clobber.
349 2001-04-20 Jakub Jelinek <jakub@redhat.com>
351 * gcse.c (gcse_main): Fix comment typo.
352 (delete_null_pointer_check): Likewise.
353 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
354 * cse.c (cse_insn): Likewise.
355 * function.c (fixup_var_refs_insns_with_hash): The sequence is
358 2001-04-19 Zack Weinberg <zackw@stanford.edu>
360 * toplev.c: Excise all code for the undocumented -dm option.
361 (float_signal): Call signal just once, unconditionally.
363 2001-04-19 Geoff Keating <geoffk@redhat.com>
365 * fold-const.c (fold): Use first_rtl_op rather than
366 TREE_CODE_LENGTH when looping over parameters of a tree.
367 Correct strange grouping in test for evaluated SAVE_EXPR.
369 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
371 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
372 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
374 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
375 name at 32 total characters.
376 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
377 functions in named sections -- data items can still go into unique
378 sections, but they have normal names (ie $LIT$ and $DATA$).
380 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
383 2001-04-19 DJ Delorie <dj@redhat.com>
385 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
386 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
387 * config/i386/cygwin.h: Likewise.
388 * config/i386/mingw32.h: Likewise.
389 * config/vax/vms.h: Likewise.
390 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
392 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
393 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
394 * config/i386/xm-cygwin.h: Likewise.
395 * config/i386/xm-djgpp.h: Likewise.
396 * config/i386/xm-mingw32.h: Likewise.
397 * config/vax/xm-vms.h: Likewise.
399 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
400 instead of OBJECT_SUFFIX.
401 * collect2.c (find_a_file): Look for files matching the extension
402 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
403 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
404 TARGET_EXECUTABLE_SUFFIX.
405 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
406 (make_relative_prefix): Likewise.
407 (convert_filename): Use TARGET_ suffixes throughout. Remove
409 (process_command): Likewise.
410 (do_spec_1): Likewise.
411 * java/lang.c (init_parse): Likewise.
413 * gcc.texi : Document four new options matching the pattern
414 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
415 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
416 documentation for NO_AUTO_EXE_SUFFIX.
418 2001-04-19 Mark Mitchell <mark@codesourcery.com>
420 * toplev.h (struct lang_hooks): Allow decode_option to indicate
421 that language-independent processing should not be done.
422 * toplev.c (main): Adjust accordingly.
424 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
425 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
427 * mips.md (reload_outputdi): Require that operand0 be a
430 2001-04-19 Jakub Jelinek <jakub@redhat.com>
432 * invoke.texi (-Wshadow): Clarify.
434 2001-04-18 Mark Mitchell <mark@codesourcery.com>
436 * loop.c (load_mems): Examine all the instructions in the loop
437 before concluding that all jumps branch to the first instruction
440 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
442 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
444 2001-04-18 Jakub Jelinek <jakub@redhat.com>
446 * cpp.texi (-Wwhite-space): Remove.
447 (-Wall): -Wall does not imply -Wwhite-space.
449 2001-04-17 Zack Weinberg <zackw@stanford.edu>
451 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
452 use it instead of blindly generating a .stabs.
453 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
455 * xcoffout.c: Don't bother defining default for N_CATCH.
456 (UNKNOWN_STAB): Use internal_error.
457 (stab_to_sclass): Remove now-unnecessary aborts.
458 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
460 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
462 * jump.c (mark_all_labels): Canonicalize the tail recursion
463 label attached to CALL_PLACEHOLDER insns.
465 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * output.h (dump_flow_info, free_basic_block_vars,
468 which_alternative): Delete redundant prototypes.
470 * rtl.h (bss_section): Likewise.
472 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
474 * dbxout.c (N_OPT): Define if not available from <stab.h>
476 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
478 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
479 libraries and native K&R compilers.
481 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * c-typeck.c (convert_arguments): Don't check for width changes
486 * invoke.texi (-Wtraditional): Update documentation.
488 2001-04-16 Zack Weinberg <zackw@stanford.edu>
490 * toplev.c (output_lang_identify): Delete.
491 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
492 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
493 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
494 after calling ASM_FILE_END.
496 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
497 Instead, unconditionally emit an N_OPT stab with string equal
498 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
500 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
502 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
503 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
504 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
505 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
506 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
507 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
508 config/i370/i370.h, config/i386/beos-elf.h,
509 config/i386/osf1elf.h, config/i386/osfrose.h,
510 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
511 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
512 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
513 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
514 config/mips/iris6.h, config/mips/osfrose.h,
515 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
516 config/sparc/sp64-elf.h:
517 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
518 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
520 * config/elfos.h, config/freebsd.h, config/linux.h,
521 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
522 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
523 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
524 of ASM_FILE_START which merely emit a .version directive. Delete
525 definitions of ASM_FILE_END which merely emit an .ident directive.
527 * config/avr/avr.h, config/vax/vax.h: Delete definition of
528 ASM_IDENTIFY_GCC and move part of its logic into
531 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
532 config/sparc/linux-aout.h: Don't emit .version directive in
535 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
536 (output_file_start): Correct comment.
538 * config/i386/osfrose.h: Don't emit trailing .ident directive.
539 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
541 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
542 * config/rs6000/aix.h: Correct comment.
544 * config/i386/i386afe.h: Delete.
545 * config.gcc: Remove references to i386afe.h.
547 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
548 other macros deleted by this patch were undocumented.
550 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
552 * pa.md (reload_outdi): Operand 0 must be a non hard register.
554 * pa.c (secondary_reload_class): SAR<->FP copies require a
557 * install.texi (mips-mips-bsd): Update list of functions
558 required to include memmove.
559 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
560 used functions to include memmove.
562 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
564 * i386.md (sqrtdf2): SFmode should be DFmode.
566 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
568 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
569 (find_moveable_store): Likewise.
571 2001-04-15 Jim Wilson <wilson@redhat.com>
573 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
575 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
577 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
578 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
580 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
582 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
585 2001-04-14 Alan Modra <amodra@one.net.au>
587 * pa.c (force_mode): New function.
588 (emit_move_sequence): Use it instead of generating new rtx_REGs.
590 2001-04-13 Jim Wilson <wilson@redhat.com>
592 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
593 (first_instruction): New static variable.
594 (rtx_needs_barrier): Return 1 for alloc.
595 (init_insn_group_barriers): Set first_instruction.
596 (rws_sum): Delete duplicate definition.
597 (group_barrier_needed_p): Return 0 when first_instruction true.
598 (safe_group_barrier_needed_p): Save and restore first_instruction
599 around group_barrier_needed_p call.
601 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
603 * expr.h (enum libfunc_index): Add LTI_memmove.
604 (memmove_libfunc): Define macro.
605 * optabs.c (init_optabs): Initialize memmove_libfunc.
606 * expr.c (expand_assignment): Use memmove_libfunc instead of
609 2001-04-13 Alan Modra <alan@linuxcare.com.au>
611 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
614 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * Makefile.in (reg-stack.o): Depend on reload.h.
617 (insn-attrtab.o): Depend on flags.h.
619 * genattrtab (main): Include flags.h in insn-attrtab.c.
621 * reg-stack.c: Include reload.h.
623 * sparc.h (flag_pic): Delete redundant declaration.
625 * output.h (flag_pic): Likewise.
627 * tree.h (pedantic): Likewise.
629 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
631 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
633 * jump.c, regmove.c, toplev.c: Include reload.h.
635 * reload.h (reload_cse_regs): Declare.
637 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
638 reload_cse_regs, init_reload, mark_home_live, reload,
639 init_caller_save): Delete redundant prototypes.
641 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
643 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
645 * regclass.c, ssa.c: Include expr.h.
647 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
648 gen_move_insn): Delete redundant declarations.
650 2001-04-13 Alan Modra <amodra@one.net.au>
652 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
653 PIC_OFFSET_TABLE_SAVE_RTX.
654 (zdepi_cint_p): Describe zdepi insn.
655 Formatting and white space fixes throughout file.
657 * pa.c (uint32_operand): Don't use long constant >= 2^32.
658 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
659 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
660 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
661 (output_64bit_and): Use plain `int's for shift counts.
662 (output_64bit_ior): Likewise.
663 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
664 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
667 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
668 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
669 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
670 NEW_HP_ASSEMBLER into one. Kill warnings.
672 * pa-gas.h: Delete file.
673 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
674 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
675 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
676 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
678 * config/pa/mill32.S: New file.
679 * config/pa/mill64.S: New file.
680 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
681 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
682 * config/pa/t-linux64: New file.
683 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
684 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
685 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
687 * elfos.h (SELECT_SECTION): Undef before defining.
688 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
689 (LIB_SPEC): Remove -lmilli.
690 (DBX_REGISTER_NUMBER): Remove.
691 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
692 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
693 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
694 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
695 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
696 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
697 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
699 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
700 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
701 regs if we don't have a prototype.
702 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
703 * pa.h (TARGET_ELF32): Default to 0 if undefined.
704 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
705 EH_RETURN_HANDLER_RTX): Define.
706 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
707 (DWARF_FRAME_REGNUM): Define.
708 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
709 * pa32-linux.h: New file.
710 * pa64-linux.h: New file.
712 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
713 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
714 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
715 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
716 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
717 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
718 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
719 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
720 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
721 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
722 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
723 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
724 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
725 * pa64-hpux.h: New file.
726 (ASM_FILE_START): Correct typo.
727 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
728 * config.gcc: Modify for above.
730 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
732 * jump.c (jump_optimize_1): Don't delete dead stores here.
733 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
734 prior to running jump optimize before cse2.
736 2001-04-12 Richard Henderson <rth@redhat.com>
738 * Makefile.in (regmove.o): Depend on except.h.
739 * regmove.c: Include it.
741 2001-04-12 Stan Shebs <shebs@apple.com>
743 * objc/objc-act.c: Remove all code ifdefed with the never-used
744 macro OBJC_INT_SELECTORS.
745 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
746 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
748 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
750 * config/pa/quadlib.c: Add prototypes.
752 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
754 * bitmap.h (debug_bitmap): Delete redundant prototype.
756 * rtl.h (get_frame_size): Likewise.
758 2001-04-12 Jim Wilson <wilson@redhat.com>
760 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
761 to just emit an fnorm.
763 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
765 * c-common.h (truthvalue_conversion, type_for_mode,
766 type_for_size): Delete redundant declarations.
768 * c-lex.h (is_class_name): Likewise.
770 * c-tree.h (pedantic, convert, getdecls, gettags,
771 global_bindings_p, init_decl_processing, insert_block,
772 maybe_build_cleanup, poplevel, print_lang_decl,
773 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
774 set_block, incomplete_type_error, build_function_call,
775 lvalue_or_else, mark_addressable): Likewise.
777 * expr.h (expand_tree_builtin): Likewise.
779 2001-04-12 Mark Mitchell <mark@codesourcery.com>
781 * invoke.texi: Document --param max-gcse-memory.
783 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
785 * configure.in (errno): Check for declaration.
786 * configure, config.in: Regenerated.
788 * system.h (errno): Only declare if not already done.
790 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
792 * recog.c (general_operand, immediate_operand,
793 nonmemory_operand): Require CONST_INTs to be sign-extended
794 values for their modes.
796 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
798 * expmed.c (store_bit_field): Truncate CONST_INTs.
799 (expand_mult_highpart, expand_divmod): Likewise.
800 * expr.c (convert_modes, store_field): Likewise.
801 * integrate.c (expand_inline_function): Use promote_mode() to
802 determine whether to convert_modes() an argument as signed
804 * optabs.c (expand_binop): Get CONST_INT operands
805 sign-extended for their appropriate modes.
806 * stmt.c (emit_case_nodes): Convert node values to the
808 (expand_end_case): Convert minval and range to the appropriate
810 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
811 the iteration variable.
812 * varasm.c (immed_double_const): Don't require words to be
813 narrower than host wide ints to properly sign-extend
816 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
818 * sh.md (builtin_setjmp_receiver): New expander.
820 2001-04-12 David Edelsohn <dje@watson.ibm.com>
822 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
823 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
824 for generating CONST_INT and CONST_DOUBLE.
826 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
828 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
829 already sign-extended.
830 (rs6000_emit_prologue): Make register iterator signed.
831 (rs6000_emit_epilogue): Likewise.
832 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
834 (movsf split, movdf split): Sign-extend CONST_INTs.
835 (movdi splits): Likewise.
837 2001-04-12 Kelley Cook <kelley.cook@home.com>
839 * config-lang.in (lang_dirs): Add in zlib.
841 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
843 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
844 operands that make it to RTL.
846 2001-04-11 Stan Shebs <shebs@apple.com>
848 Add Darwin (Mac OS X kernel) native support.
849 * config.gcc (powerpc-*-darwin*): Add native bits.
850 * config/darwin.c: New file, generic Darwin support functions.
851 * config/darwin.h: New file, generic Darwin definitions.
852 * config/darwin-protos.h: New file, generic Darwin prototypes.
853 * rs6000/darwin.h: New file, Darwin for PowerPC.
854 * rs6000/t-darwin: New file, Darwin makefile fragment.
855 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
856 (TARGET_MACHO): Ditto.
857 (rs6000_abi): Add ABI_DARWIN.
858 (RS6000_REG_SAVE): Add ABI_DARWIN case.
859 (RS6000_SAVE_AREA): Ditto.
860 (FP_ARG_MAX_REG): Ditto.
861 (RETURN_ADDRESS_OFFSET): Ditto.
862 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
864 (rs6000_emit_move): Add ABI_DARWIN cases.
865 (print_operand): Ditto.
866 (first_reg_to_save): Ditto.
867 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
868 (debug_stack_info): Ditto.
869 (rs6000_emit_prologue): Ditto.
870 (rs6000_emit_epilogue): Ditto.
871 (output_profiler_hook): Ditto.
872 (output_function_profiler): Ditto.
873 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
874 (output_mi_thunk): Add TARGET_MACHO case.
875 (add_compiler_stub): Ditto.
876 (output_compiler_stub): Ditto.
877 (no_previous_def): Ditto.
878 (output_call): Ditto.
879 (machopic_output_stub): Ditto.
880 (rs6000_machopic_legitimize_pic_address): Ditto.
881 (toc_section): Ditto.
882 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
886 (load_macho_picbase): Ditto.
887 (call): Add TARGET_MACHO case to modify function.
889 (call_nonlocal_sysv): Add ABI_DARWIN case.
890 (call_value_nonlocal_sysv): Ditto.
891 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
893 (machopic_output_stub): Ditto.
894 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
896 2001-04-11 Mark Mitchell <mark@codesourcery.com>
898 * dwarf2out.c (modified_type_die): Don't create new types here.
899 * tree.h (get_qualified_type): New function.
900 (build_qualified_type): Adjust comment.
901 * tree.c (get_qualified_type): New function.
902 (build_qualified_type): Use it.
904 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
906 * cpp.texi (-Wtraditional): Update description.
908 * invoke.texi (-Wtraditional): Likewise.
910 2001-04-11 Jim Wilson <wilson@redhat.com>
912 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
913 requires more than 64 bits of alignment.
915 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
917 * cpplib.c (do_line): Sanity check iff enable checking.
919 2001-04-11 Richard Henderson <rth@redhat.com>
921 * Makefile.in (insn-recog.o): Depend on toplev.h.
922 (insn-emit.o, doloop.o): Likewise.
923 * genrecog.c, genemit.c: Include toplev.h in generated file.
924 * doloop.c: Include toplev.h.
926 2001-04-11 Mark Mitchell <mark@codesourcery.com>
928 * Makefile.in (gcse.o): Depend on params.h.
929 * gcse.c: Include params.h.
930 (gcse_main): Don't do GCSE if doing so will take inordinate
932 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
933 * params.h (MAX_GCSE_MEMORY): New macro.
935 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
937 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
939 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
941 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
943 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
945 * real.h (ereal_atof, real_value_truncate, target_isnan,
946 target_isinf, target_negative, assemble_real, debug_real): Delete
947 redundant prototypes.
949 * Makefile.in (ifcvt.o): Depend on toplev.h.
951 * c-semantics.c: Include expr.h.
953 * ifcvt.c: Include toplev.h.
955 * expr.h (rtx_equal_p): Delete prototype.
957 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
958 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
959 eliminate_constant_term, expand_complex_abs, find_single_use,
960 make_tree, init_expr_once, init_optabs, supports_one_only):
963 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
964 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
965 expand_assignment, store_expr, emit_line_note_after,
966 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
968 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
970 * sparc-protos.h: Delete redundant prototypes.
972 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
974 * reload.c (push_reload): Add condition missed in SUBREG byte
977 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
979 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
981 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
983 * i386.md (floatsisf_sse): Fix output template
984 * i386.c (ix86_expand_fp_movcc)
986 * reg-stack.c (emit_pop_insn): Handle complex modes.
987 (move_for_stack_reg): Emit proper move mode.
988 (subst_stack_regs_pat): Handle complex modes.
990 2001-04-11 Jakub Jelinek <jakub@redhat.com>
992 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
994 2001-04-10 Richard Henderson <rth@redhat.com>
996 * libgcc2.h (__terminate_func_ptr): Remove typedef.
997 (__pure_virtual, __terminate, __terminate_set_func,
998 __default_terminate, __throw_type_match, __empty,
999 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1000 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1001 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1002 Remove prototypes of deleted functions.
1004 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1006 * c-typeck.c (convert_arguments): -Wtraditional now activates
1007 -Wconversion warnings, except for changes in signed-ness.
1008 Detect complex<->int & int<->complex conversions as well.
1010 * invoke.texi (-Wtraditional): Document it.
1012 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1014 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1015 * flow.c (set_block_for_new_insns): Remove needless cast and
1016 properly check for unset block number.
1018 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1020 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1021 the subreg was a hard register. Pseudos are left as subregs.
1023 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1025 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1026 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1027 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1028 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1029 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1031 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1033 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1035 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1037 * output.h (set_block_num): Missed it earlier, remove deprecated
1040 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1042 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1043 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1044 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1045 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1046 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1047 (expr_killed_p): Change bb parameter from int to basic_block, pass
1048 basic_blocks instead of ints as parameters.
1049 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1050 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1051 from int to basic_block, pass basic_blocks instead of ints as parms.
1052 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1053 parameter from int to basic_block, pass basic_blocks instead of ints.
1054 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1055 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1056 pass basic_blocks instead of ints.
1057 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1058 basic_blocks instead of ints as parameters.
1059 (pre_delete): Pass basic_blocks instead of ints as parameters.
1060 (hoist_expr_reaches_here_p): Change bb parameter from int to
1061 basic_block, pass basic_blocks instead of ints.
1062 (hoist_code): Pass basic_blocks instead of ints as parameters.
1063 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1064 Change bb parameter from int to basic_block.
1065 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1066 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1067 pass basic_blocks instead of ints.
1068 (insert_store): Pass basic_blocks instead of ints as parameters.
1069 (replace_store_insn, delete_store): Change bb parameter from int to
1070 basic_block, pass basic_blocks instead of ints.
1071 (store_motion): Pass basic_blocks instead of ints as parameters.
1073 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1075 * basic-block.h (set_new_block_for_insns): New Prototype.
1076 (set_block_num): Delete prototype.
1077 * flow.c (set_block_num): Remove obsolete function.
1078 (set_block_for_new_insns): Set BB for single or multiple insns.
1079 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1080 (process_insn_end_bb): Use set_block_for_new_insns or
1081 set_block_for_insn instead of set_block_num.
1082 (pre_insert_copy_insn): Use set_block_for_new_insns.
1083 (update_ld_motion_stores): Use set_block_for_new_insns.
1084 (insert_insn_start_bb): Use set_block_for_new_insns.
1085 (replace_store_insn): Use set_block_for_new_insns.
1087 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1088 Jeff Law <law@redhat.com>
1090 * alias.c (get_addr): Externalize.
1091 (canon_true_dependence): New function. Behaves like true_dependance
1092 except it already assumes a MEM has been canonicalized.
1093 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1094 * gcse.c (struct ls_expr): Add load/store expressions structure.
1095 (modify_mem_list, canon_modify_mem_list): New variable.
1096 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1097 load motion and store motion if requested.
1098 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1099 (free_gcse_mem): Free the modify_mem_list array.
1100 (oprs_unchanged_p): Use load_killed_in_block_p.
1101 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1102 (mems_conflict_for_gcse_p): New function. Don't kill loads
1103 with stores to themselves if its in the load/store expression list.
1104 (load_killed_in_block_p): New function.
1105 (canon_list_insert): New Function.
1106 (record_last_mem_set_info): Keep a list of all instructions which
1107 can modify memory for each basic block.
1108 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1109 (oprs_not_set_p): Use load_killed_in_block_p.
1110 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1111 (expr_killed_p): Use load_killed_in_block_p.
1112 (compute_transp): Do not pessimize memory references.
1113 (pre_edge_insert): Update stores for a load motion expression.
1114 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1115 (ldst_entry): Find or create a ldst_expr structure.
1116 (free_ldst_entry): Free memory for an individual item.
1117 (free_ldst_mems): Free entire load/store expression list.
1118 (print_ldst_list): Print debug info.
1119 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1120 (enumerate_ldsts): Assign integer values to each entry in list.
1121 (first_ls_expr): First expression in the list.
1122 (next_ls_expr): Next expression in the list.
1123 (simple_mem): Check if expression qualifies for ld/st expression list.
1124 (invalidate_any_buried_refs): Remove from expression list if its
1125 used in some other way we dont understand.
1126 (compute_ld_motion_mems): Find all potential enhanced load motion
1128 (trim_ld_motion_mems): Remove any expressions which are invalid.
1129 (update_ld_motion_stores): Copy store values to registers for loads
1130 which have been moved.
1131 (regvec, st_antloc, num_store): New global statics.
1132 (reg_set_info): Marks registers as set.
1133 (store_ops_ok): Verfies registers expressions are valid in a block.
1134 (find_moveable_store): Look for moveable stores in a pattern.
1135 (compute_store_table): Find stores in a function worth moving, maybe.
1136 (load_kills_store): Check dependance of a load and store.
1137 (find_loads): Find any loads in a pattern.
1138 (store_killed_in_insn): Check if a store is killed in an insn.
1139 (store_killed_after): Check is store killed after an insn in a block.
1140 (store_killed_before): Check is store killed before an insn in a block.
1141 (build_store_vectors): Generate the antic and avail vectors.
1142 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1143 (insert_store): Add a store to an edge.
1144 (replace_store_insn): Replace a store with a SET insn.
1145 (delete_store): Delete a store insn.
1146 (free_store_memory): Free memory.
1147 (store_motion): Perform store motion.
1148 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1149 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1150 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1151 (f_options): Add gcse-lm and gcse-sm.
1153 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1155 * i386.c (expand_fp_movcc): Fix condition reversal code.
1157 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1158 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1159 (CLASS_MAX_NREGS): Use it.
1161 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1162 handle properly complex values.
1163 (CLASS_MAX_NREGS): Likewise; update comment.
1165 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1167 * ia64.c (ia64_flag_schedule_insns2): New variable.
1168 (ia64_override_options): Initialize it. Clear
1169 flag_schedule_insns_after_reload.
1170 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1172 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1174 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1175 Do not require source to match destination anymore;
1176 Add abort to the nontrivial cases that should be handled by split.
1177 (fix_trunc?fdi): Add SSE case for x86_64.
1178 (floatdi?f): Likewise.
1179 (floatdi?f_sse): New.
1180 (fix_trunc?fdi_sse): New.
1182 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1184 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1185 (DEBUG_ARANGES_END_LABEL): Ditto.
1186 (dwarfout_init): Generate length and version fields at the start
1187 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1188 after the length field.
1189 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1190 the .debug_aranges info.
1192 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1194 * i386.c (call, call_value): Make sure that resulting call_insn
1195 does have proper second operand.
1197 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1199 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1200 function. Remove include of sys/cygwin.h.
1202 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1204 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1205 (CPP_SPEC): Always search */include/w32api for header files.
1206 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1207 (LINK_SPEC): Add "cyg" to the library search prefixes.
1209 2001-04-08 Philip Blundell <philb@gnu.org>
1211 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1213 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1215 * cpperror.c (print_location): Don't special case <stdin>.
1216 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1217 WARNING, but we don't check if we're in system headers.
1218 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1219 * cpplib.c (do_warning): Warn in system headers.
1221 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1223 * mbchar.c: Include config.h first.
1225 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1227 * config.gcc: Set default for xmake_file at top, not bottom.
1228 Change places that set xmake_file to "none" to set to the
1229 empty string instead, or remove them entirely if there is no
1230 default xmake_file for this cpu_type. Remove references to
1233 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1234 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1235 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1236 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1237 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1238 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1239 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1240 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1241 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1242 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1245 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1246 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1247 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1248 config/mips/x-sysv, config/rs6000/x-aix31:
1249 Just set CLIB to -lld or -lmld, as appropriate.
1251 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1252 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1253 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1254 config/mips/x-iris, config/pa/x-pa:
1255 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1256 OTHER_FIXINCLUDES_DIRS.
1258 * config/i386/x-djgpp: Don't set LN or LN_S.
1259 * config/m88k/x-dolph: Don't define __m88k__.
1260 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1261 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1262 * config/i860/fx2800.h: No need to #undef SVR4.
1264 38 x-host fragments remain, 2 x-cpu.
1266 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1268 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1270 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1272 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1274 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1276 * configure.in: Add check for lstat.
1277 * configure, config.in: Regenerate.
1278 * cppinit.c (append_include_chain): Make empty path ".".
1279 * cpplib.c (do_line): Don't simplify #line paths.
1280 * cppfiles.c (remove_component_p): New function.
1281 (find_or_create_entry): Acknowledge stat () errors during
1282 path simplification.
1283 (handle_missing_header): Don't simplify paths.
1284 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1285 the empty path untouched. Don't leave a trailing '/'.
1287 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1289 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1290 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1292 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1294 * cppfiles.c (open_file): Fail directories silently, but
1295 with an errno of NOENT set.
1296 (read_include_file): Move the common exit code to the sole
1297 caller. Return an int indicating success or failure. Let
1298 open_file handle directories.
1299 (stack_include_file): If read_include_file fails,
1300 push a "null" buffer.
1302 2001-04-05 DJ Delorie <dj@redhat.com>
1304 * function.h (virtuals_instantiated): Declare.
1305 * function.c: (virtuals_instantiated): Make global.
1306 * calls.c (emit_library_call_value_1): Use
1307 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1308 Otherwise, use the stack pointer directly.
1310 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1312 * i386.c (x86_initialize_trampoline): New global function.
1313 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1314 (INITIALIZE_TRAMPOLINE): Move offline.
1315 * i386-protos.h (x86_initialize_trampoline): Declare.
1317 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1319 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1320 (lea_0): Rename to lea_1.
1321 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1322 (lea_general_?): Allow SImodes on TARGET_64BIT
1323 (lea_general_?_zext): New patterns.
1324 (call_1, call_1_rex64): Fix.
1326 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1328 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1330 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1332 * i386.c (function_arg): Return constm1_rtx for last argument.
1333 (ix86_expand_prologue): Update gen_call calls.
1334 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1335 * i386.md (call_pop): Likewise.
1336 (call): Second operand is VOIDmode.
1337 (call_0): Likewise; Support 64bits.
1338 (call_exp): New expander.
1339 (call_1): Get to the sync.
1340 (call_1_exp): New pattern.
1341 (call_value): Support 64bit.
1342 (call_value_exp): New pattern.
1343 (untyped_call): Update gen_call call.
1344 (call_value_pop): Disable for 64bit.
1345 (call_value_0_rex64): New pattern.
1346 (call_value_1_rex64): Likewise.
1348 2001-04-05 Bo Thorsen <bo@suse.de>
1350 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1352 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1354 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1355 satisfies ANY_QI_REG_P.
1357 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1359 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1362 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1365 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1367 * config.gcc: Remove default for xm_file. Clean up local
1368 machine type handling. Remove settings of xm_file to
1369 something that doesn't exist. In the big switch, set xm_file,
1370 don't append to it (the value before the big switch is always
1371 null). Don't force build_xm_file or host_xm_file to have a value.
1372 * configure.in: Remove default for xm_file. Do not special
1373 case $cpu/xm-$cpu.h not existing.
1374 * configure: Regenerate.
1376 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1378 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1379 when folding integer division and modulo operations.
1381 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1383 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1384 instead of DWARF2_ADDR_SIZE for EH addresses.
1385 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1388 2001-04-04 Richard Henderson <rth@redhat.com>
1390 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1391 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1392 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1394 2001-04-04 Richard Henderson <rth@redhat.com>
1396 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1397 * configure: Rebuilt.
1399 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1401 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1402 push insns to delete to it instead of deleting them.
1403 (delete_null_pointer_checks): Delete insns from delete_list after
1404 all delete_null_pointer_checks_1 passes are done.
1406 2001-04-04 Richard Henderson <rth@redhat.com>
1408 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1409 * configure: Rebuilt.
1411 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1413 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1414 * config/romp/xm-romp.h: Delete.
1416 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1418 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1421 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1423 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1424 all labels present in rtx.
1425 (try_split) Call new function for all split insns.
1427 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1429 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1430 sure the change won't be validated.
1432 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1434 * rtl.h (set_noop_p): Declare.
1435 * flow.c (set_noop_p): Move from here ...
1436 * rtlanal.c (set_noop_p): ... to here and enhance.
1437 * cse.c (delete_trivially_dead_insns): Use it.
1438 * gcse.c (hash_scan_set): Likewise.
1439 * jump.c (delete_noop_moves): Likewise.
1440 * recog.c (split_all_insns): Likewise.
1442 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1444 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1445 stack pointer via a LO_SUM. Ditto for setting a temp register
1446 used to save to the stack. Set cfa_temp when setting fp, and
1447 allow matches to cfa_temp in addition to cfa_store when saving
1448 regs. Handle POST_INC and LO_SUM register stores. Document the
1449 changes and errors in rule 12 doco.
1451 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1452 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1453 (load_reg): Move closer to epilogue code.
1454 (DO_FRAME_NOTES): Define to control the following..
1455 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1456 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1458 (hppa_expand_epilogue): Likewise.
1460 2001-04-03 Richard Henderson <rth@redhat.com>
1462 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1463 * configure: Rebuild.
1465 2001-04-03 Richard Henderson <rth@redhat.com>
1467 * rtl.h (LCT_THROW): New.
1468 * calls.c (emit_library_call_value_1): Handle it.
1469 * except.c (connect_post_landing_pads): Use it.
1471 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1473 * gansidecl.h: Delete file.
1474 * configure.in: Change all refs to gansidecl.h to use
1475 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1477 * configure: Regenerate.
1479 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1480 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1481 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1482 Don't include gansidecl.h.
1483 * intl.c, main.c, version.c, fixinc/fixlib.h,
1484 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1487 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1489 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1492 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1494 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1495 config/i386/xm-next.h, config/i386/xm-sco.h,
1496 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1497 config/m88k/xm-m88k.h: Delete.
1499 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1500 * config/romp/xm-romp.h: Don't define bcopy.
1501 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1502 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1504 * config.gcc: Remove references to deleted files.
1506 14 xm-host.h remain, 1 xm-cpu.h.
1508 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1509 David S. Miller <davem@pierdol.cobaltmicro.com>
1510 Andrew MacLeod <amacleod@redhat.com>
1512 Use byte offsets in SUBREGs instead of words.
1514 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1515 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1516 to pass new argument.
1517 (add_stored_regs): Use subreg_regno_offset function.
1518 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1520 (precompute_arguments): Use gen_lowpart_SUBREG.
1521 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1522 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1523 (simplify_set): Rework to use SUBREG_BYTE.
1524 (expand_field_assignment): Use SUBREG_BYTE.
1525 (make_extraction): Use SUBREG_BYTE.
1526 (if_then_else_cond): Use SUBREG_BYTE.
1527 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1528 (gen_lowpart_for_combine): Compute full byte offset.
1529 * cse.c (mention_regs): Use SUBREG_BYTE.
1530 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1531 (canon_hash): Use SUBREG_BYTE.
1532 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1533 (gen_lowpart_if_possible): Formatting.
1534 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1536 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1537 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1538 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1539 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1540 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1541 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1542 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1543 certain invariants about SUBREGs the compiler creates.
1544 (gen_lowpart_SUBREG): New function.
1545 (subreg_hard_regno): New function to get the final register number.
1546 (gen_lowpart_common): Use SUBREG_BYTE.
1547 (gen_imagpart): Spacing nits.
1548 (subreg_realpart_p): Use SUBREG_BYTE.
1549 (gen_highpart): Use SUBREG_BYTE.
1550 (subreg_lowpart_p): Always compute endian corrected goal offset,
1551 even at the byte level, then compare against that.
1552 (constant_subword): New function, pulled out all constant cases
1553 from operand_subword and changed second argument name to offset.
1554 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1555 and call constant_subword to do the work. Return const0_rtx if
1556 looking for a word outside of OP.
1557 (operand_subword_force): Change second arg name to offset.
1558 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1559 (store_split_bit_field): Use SUBREG_BYTE.
1560 (extract_bit_field): Use SUBREG_BYTE.
1561 (extract_split_bit_field): Use SUBREG_BYTE.
1562 (expand_shift): Use SUBREG_BYTE.
1563 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1564 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1565 * flow.c (set_noop_p): Use SUBREG_BYTE.
1566 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1567 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1568 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1570 (optimize_bit_field): Use SUBREG_BYTE.
1571 (purge_addressof_1): Use SUBREG_BYTE.
1572 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1573 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1574 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1575 * gengenrtl.c (special_rtx): Add SUBREG.
1576 * global.c (mark_reg_store): Use SUBREG_BYTE.
1577 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1578 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1579 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1580 final byte offset is congruent to subreg's mode size.
1581 (subst_constants): Use SUBREG_BYTE.
1582 (mark_stores): Use subreg_regno_offset function.
1583 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1584 function and SUBREG_BYTE.
1585 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1586 (reg_is_born): Use subreg_hard_regno.
1587 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1588 endian correction code. Don't combine subregs unless resulting
1589 offset aligns with type. Fix subreg constant extraction for DImode.
1590 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1591 (general_operand): Remove dead mode_altering_drug code.
1592 (indirect_operand): Use SUBREG_BYTE.
1593 (constrain_operands): Use subreg_regno_offset function.
1594 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1595 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1596 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1597 * regs.h (REG_SIZE): Allow target to override.
1598 (REGMODE_NATURAL_SIZE): New macro which target can override.
1599 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1600 on the entire subreg rtx.
1601 (push_reload): Use SUBREG_BYTE in comments and code.
1602 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1603 for hard registers inside subregs.
1604 (operands_match_p): Use subreg_regno_offset.
1605 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1606 containing hard regs.
1607 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1608 corrections when fixing up MEM subregs.
1609 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1610 subreg_regno_offset where appropriate.
1611 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1612 byte endian corrections when fixing up MEM subregs.
1613 (subst_reloads): When combining two subregs, make sure final
1614 offset is congruent to subreg's mode size.
1615 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1616 (refers_to_regno_for_reload_p): Use subreg_regno.
1617 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1618 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1619 correction code for memory subreg fixups.
1620 (forget_old_reload_1): Use subreg_regno_offset.
1621 (choose_reload_regs): Use subreg_regno.
1622 (emit_input_reload_insns): Use SUBREG_BYTE.
1623 (reload_combine_note_store): Use subreg_regno_offset.
1624 (move2add_note_store): Use subreg_regno_offset.
1625 * resource.c (update_live_status, mark_referenced_resources): Use
1626 subreg_regno function.
1627 (mark_set_resources): Use subreg_regno function.
1628 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1629 (subreg_regno_offset, subreg_regno): Define prototypes.
1630 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1631 (gen_lowpart_SUBREG): Add prototype.
1632 * rtl.texi (subreg): Update to reflect new byte offset representation.
1633 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1634 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1635 (reg_overlap_mentioned_p): Use subreg_regno.
1636 (replace_regs); Make sure final offset of combined subreg is
1637 congruent to size of subreg's mode.
1638 (subreg_regno_offset): New function.
1639 (subreg_regno): New function.
1640 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1641 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1642 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1643 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1644 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1645 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1646 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1647 (print_operand): Use SUBREG_BYTE.
1648 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1649 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1650 (arm_reload_out_hi): Use SUBREG_BYTE.
1651 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1652 instead of SUBREG_WORD.
1653 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1654 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1655 SUBREG creation to use byte offset.
1656 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1657 inverted load insns): Fix explicit rtl subregs to use byte
1659 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1660 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1661 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1662 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1663 to use byte offsets.
1664 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1665 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1666 offsets, also make sure it is congruent to SUBREG's mode size.
1667 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1668 unnamed ldob insn): Generate SUBREGs with byte offset.
1669 (zero_extendqihi2): SUBREG's are byte offsets.
1670 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1671 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1672 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1673 zero-extendqisi2): Generate SUBREGs with byte offset.
1674 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1675 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1676 subregs in rtl to use byte offsets.
1677 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1678 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1679 (mips_move_2words): Use subreg_regno_offset.
1680 (mips_secondary_reload_class): Use subreg_regno_offset.
1681 * config/mips/mips.md (DImode plus, minus, move, and logical op
1682 splits): Fixup explicit subregs in rtl to use byte offsets.
1683 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1684 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1685 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1686 rtl to use byte offsets.
1687 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1688 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1689 subregs to use byte offsets.
1690 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1691 Fixup explicit subregs in rtl to use byte offsets.
1692 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1693 and remove byte endian correction code.
1694 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1695 (gen_ashift_hi): Use SUBREG_BYTE.
1696 (regs_used): Use subreg_regno_offset.
1697 (machine_dependent_reorg): Use subreg_regno_offset.
1698 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1699 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1700 (movdf_i4): Subregs are byte offsets now.
1701 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1702 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1703 (REGMODE_NATURAL_SIZE): Override.
1704 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1705 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1707 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1708 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1709 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1710 it is congruent to SUBREG's mode size.
1711 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1713 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1714 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1715 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1716 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1717 * config/v850/v850.c (print_operand, output_move_double): Use
1718 subreg_regno function.
1720 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1722 * configure.in (target_subdir): Use target_alias, not target.
1723 * configure: Rebuilt.
1725 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1727 * config/sh/crti.asm: Fix typos in comments.
1729 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1731 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1732 TARGET_FAST_INDIRECT_CALLS.
1733 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1735 (return_addr_rtx): Short circuit export stub matching when
1736 TARGET_NO_SPACE_REGS.
1737 (output_millicode_call): For out of range calls, make -fPIC
1738 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1739 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1740 * pa.md: Modify length attr calculation of all millicode insns to
1743 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1745 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1746 Require at least 2.11 in the version test. Specifically check
1747 for and reject GAS version 2.10.90.
1748 * configure: regenerate.
1750 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1752 * pa.c (override_options): Remove PIC profiling warning.
1753 (hp_profile_labelno): Delete.
1754 (hp_profile_label_rtx): Delete.
1755 (hp_profile_label_name): Delete.
1756 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1757 (output_function_prologue): Remove profiling code and all tests on
1758 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1759 merge_sp_adjust_with_store can work for PIC and profiling.
1760 (hppa_expand_epilogue): Remove profile_flag test.
1761 (hppa_can_use_return_insn_p): Likewise.
1762 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1763 cater for PROFILE_HOOK.
1764 (hppa_profile_hook): New function.
1765 * pa.h (FUNCTION_PROFILER): Now does nothing.
1766 (PROFILE_HOOK): Define.
1767 (hppa_profile_hook): Declare.
1768 (PROFILE_BEFORE_PROLOGUE): Delete.
1769 (ASM_OUTPUT_REG_PUSH): Delete.
1770 (ASM_OUTPUT_REG_POP): Delete.
1771 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1772 r24. Accept function name operand, and use this and a locally
1773 generated label to calculate pc-rel offset to func start.
1775 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1778 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1781 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1783 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1784 LO_SUM cases to where they belong.
1786 2001-04-02 Richard Henderson <rth@redhat.com>
1788 * except.h (lang_eh_type_covers): Mark extern.
1789 (lang_eh_runtime_type): Likewise.
1791 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1793 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1794 gengenrtl.c: Wrap generated header in multiple-include guard.
1795 Improve error checking.
1797 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1799 * configure.in: Don't check for putenv.
1800 * configure: Regenerate.
1801 * gcc.c (putenv): Don't define.
1802 * vax/xm-vms.h: Handle putenv.
1804 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1806 * ifcvt.c (noce_emit_move_insn): New.
1807 (noce_try_store_flag, noce_try_store_flag_constants,
1808 noce_try_store_flag_inc, noce_try_store_flag_mask,
1809 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1810 noce_try_abs): Use it.
1811 (noce_process_if_block): Likewise.
1812 For STRICT_LOW_PART, take mode from its SUBREG.
1814 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1816 * fold-const.c (fold): Before optimizing unsigned comparison with
1817 0x7fffffffU, make sure arg0 is integral type.
1819 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1821 * c-tree.texi: Document representation of wide strings.
1823 2001-04-01 Richard Henderson <rth@redhat.com>
1825 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1827 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1829 * i386.md: remove obsoleted comments.
1830 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1831 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1832 fix output template.
1834 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1836 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1838 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1840 * loop.c (load_mems): When generating a load from a pseudo, update
1843 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1845 * i386.c (ix86_split_long_move): Use change address to compensate
1846 stack pointer change in push instruction.
1848 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1850 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1851 instead of rtx_equal_p; fix the output template.
1853 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1855 * i386.c (ix86_expand_setcc): Support 64bit.
1856 (ix86_expand_int_movcc): Likewise.
1857 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1860 * i386.md (allocate_stack_worker): Turn to expander.
1861 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1863 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1865 2001-03-29 Richard Henderson <rth@redhat.com>
1867 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1869 2001-03-28 Matthew Hiller <hiller@redhat.com>
1871 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1874 * MAINTAINERS: Added self.
1876 2001-03-28 Richard Henderson <rth@redhat.com>
1878 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1879 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1881 2001-03-28 Jim Wilson <wilson@redhat.com>
1883 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1886 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1888 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1890 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1893 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1895 2001-03-28 DJ Delorie <dj@redhat.com>
1897 * Makefile.in (stage1_build): Revert CFLAGS patch.
1899 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1901 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1902 when multiplier or multiplicand is zero.
1904 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1906 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1908 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1910 (set_src_needs_barrier): Likewise.
1911 (rtx_needs_barrier): For SET case, use these two functions. Rework
1912 PARALLEL case to handle all inputs before all outputs.
1913 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1914 saw a label and no stop bit since then.
1915 (maybe_rotate, process_epilogue): Add prototypes.
1917 2001-03-28 Richard Henderson <rth@redhat.com>
1919 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1920 not TARGET_TOC for special toc restore handling.
1921 * config/rs6000/rs6000.md (eh_return): Likewise.
1923 2001-03-28 Richard Henderson <rth@redhat.com>
1925 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1926 current_function_calls_eh_return.
1927 (output_function_epilogue): Handle eh_return.
1928 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1929 (EH_RETURN_DATA_REGNO): New.
1930 (EH_RETURN_STACKADJ_RTX): New.
1931 (EH_RETURN_HANDLER_RTX): New.
1932 * config/sparc/sparc.md (call/short branch peepholes): Check
1933 can_throw_internal instead of in_same_eh_region.
1935 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1936 for eh_return data registers.
1937 (rs6000_emit_prologue): Save eh_return data registers.
1938 (rs6000_emit_epilogue): Force inline restores if eh_return.
1939 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1940 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1941 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1942 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1943 the target uses one.
1944 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1945 (return_eh_si, return_eh_di): Remove.
1946 (eh_return): New, from corpse of eh_epilogue.
1947 (eh_set_lr_si, eh_set_lr_di): New.
1949 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1950 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1951 True for pic register if current_function_calls_eh_return.
1952 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1953 Handle eh_return requirements.
1954 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1955 (EH_RETURN_STACKADJ_RTX): New.
1956 * config/i386/i386.md (exception_receiver): Remove.
1957 (eh_return, eh_return_1): New.
1958 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1960 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1961 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1962 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1963 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1964 (EH_RETURN_DATA_REGNO): New.
1965 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1966 * config/alpha/alpha.md (eh_epilogue): Remove.
1967 (exception_receiver): Use $26 for ldgp input.
1968 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1970 2001-03-28 Richard Henderson <rth@redhat.com>
1972 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1973 * except.h: Likewise.
1975 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1976 (LIB2ADDEHDEP): New.
1977 (LIB2FUNCS_EH): Remove.
1978 (LIB2ADD): Remove LIB2ADDEH.
1979 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1980 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1981 (crt{begin,end}[S].o): Likewise.
1982 (except.o): Update includes.
1983 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1984 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1986 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1987 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1988 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1989 * builtins.c (expand_builtin): Implement it.
1990 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1991 * c-common.c (c_common_nodes_and_builtins): Declare it.
1992 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1993 * calls.c (libfunc_nothrow): Remove.
1994 (emit_library_call_value_1): Don't call it.
1995 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1996 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1997 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1998 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1999 (current_funcdef_number): Globalize.
2000 (output_call_frame_info): Emit frame data if an lsda is needed.
2001 Generate augmentation for personality routine. Don't play with
2003 (dwarf2out_begin_prologue): Record funcdef_number.
2004 * dwarf2out.h (current_funcdef_number): Declare.
2005 * expr.c (expand_expr): Update for except.h name changes.
2006 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2007 * expr.h (LTI_throw, LTI_rethrow): Remove.
2008 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2009 (LTI_eh_rtime_match): Remove.
2010 (LTI_unwind_resume, LTI_eh_personality): Add.
2011 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2012 * final.c (final): Don't call check_exception_handler_labels,
2013 init_insn_eh_region, or free_insn_eh_region.
2014 (final_scan_insn): Always emit debug labels for
2015 NOTE_INSN_EH_REGION notes.
2016 * flags.h (flag_new_exceptions): Remove.
2017 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2018 (record_active_eh_regions): Remove.
2019 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2020 Use can_throw_internal.
2021 (find_basic_blocks_1): Likewise.
2022 (move_stray_eh_region_notes): Remove.
2023 (find_label_refs): No eh_return_stub_label.
2024 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2025 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2027 (delete_unreachable_blocks): Don't track deleted handlers.
2028 (flow_delete_block): Use maybe_remove_eh_handler.
2029 (delete_eh_regions): Remove.
2030 (merge_blocks): Don't check for eh region match.
2031 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2032 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2033 (init_propagate_block_info): Disable dead frame store optimization
2034 when current_function_calls_eh_return.
2035 (dump_bb): Don't print eh_beg, eh_end.
2036 * function.c (fixup_var_refs): No catch_clauses.
2037 (expand_function_end): Likewise. Call expand_eh_return before
2038 the return register use. Call sjlj_emit_function_exit_after.
2039 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2040 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2041 * ifcvt.c (dead_or_predicable): Remove eh region check.
2042 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2043 Don't check for EH vs parameters.
2044 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2045 (expand_inline_function): Call duplicate_eh_regions.
2046 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2047 (copy_insn_notes): Remap REG_EH_REGION notes.
2048 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2049 * integrate.h (struct inline_remap): Add local_return_label.
2050 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2051 check_exception_handler_labels, nor exception_optimize.
2052 (find_cross_jump): No EH region check.
2053 * optabs.c (init_optabs): Update for changed eh libfuncs.
2054 * rtl.def (RESX): New.
2055 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2056 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2057 checks. Update for except.h name changes.
2058 (expand_cleanups): Likewise.
2059 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2060 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2061 (compile_file): Call init_eh before init_optabs. Don't
2062 output_exception_table here.
2063 (rest_of_compilation): Call convert_from_eh_region_ranges,
2064 convert_to_eh_region_ranges, output_function_exception_table.
2065 Don't emit_eh_context.
2066 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2067 (EXC_PTR_EXPR): New.
2069 * md.texi (eh_epilogue): Remove.
2070 (eh_return): Document.
2071 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2072 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2074 * eh-common.h: Remove file.
2075 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2076 * libgcc2.c (L_eh): Remove.
2078 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2079 * unwind-dw2-fde.h: New file.
2080 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2081 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2082 * libgcc-std.ver: Update for eh symbols.
2084 2001-03-27 Richard Henderson <rth@redhat.com>
2086 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2087 reduce false positives.
2088 (regmove_optimize): Disable if flag_non_call_exceptions.
2090 * stmt.c (expand_return): Remove always true predicate.
2091 (expand_decl_cleanup_no_eh): Remove dead code.
2093 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2094 barrier code. Add a scheduling barrier if a non-call insn
2095 can throw internally.
2097 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2098 Auto-inc addresses trap only if their base register does.
2100 * except.c (can_throw_internal): Rename from can_throw.
2101 * except.h, resource.c: Update references.
2103 * integrate.c (copy_insn_list): Use returnjump_p.
2104 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2106 * function.h (struct function): Move all boolean valued fields
2107 to single bit fields at the end of the struct.
2109 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2111 Rename asynchronous_exceptions to flag_non_call_exceptions.
2113 * gthr-single.h (UNUSED): New. Distinguish between how C
2114 and C++ mark unused function arguments. Use throughout.
2116 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2117 value to target configuration header.
2118 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2119 * config.in, configure: Rebuild.
2120 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2121 configuration and target defines.
2122 (exceptions_via_longjmp): Remove.
2123 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2124 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2126 * except.h (flag_non_call_exceptions): Move ...
2127 * flags.h: ... here.
2129 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2130 exceptions, put the note on the trapping instruction.
2132 * flags.h (flag_new_exceptions): Remove.
2133 * toplev.c: Don't set it.
2134 * final.c: Don't check it.
2135 * except.c: Provide stub definition.
2137 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2138 (calculate_global_regs_live): Kill call-clobbered registers
2139 across exception edges.
2140 * reg-stack.c (convert_regs_1): Kill the entire target stack
2141 across non-call exception edges.
2143 * flow.c (cleanup_cfg): Take no argument.
2144 * output.h, sibcall.c, toplev.c: Update all calls.
2146 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2148 * configure.in: Don't check for bcopy.
2149 * configure, config.in: Regenerate.
2151 * system.h: Don't define or prototype bcopy, instead poison it.
2153 2001-03-27 Richard Henderson <rth@redhat.com>
2155 * function.c (expand_function_start): Set DECL_REGISTER on
2156 a pseudo used for DECL_RESULT.
2158 * rtl.h (LCT_NORETURN): New.
2159 * calls.c (emit_library_call_value_1): Handle it.
2161 2001-03-27 Stan Shebs <shebs@apple.com>
2163 * objc/objc-act.c (objc_init): Use dump_base_name.
2164 (gen_declaration): Clear the buffer arg.
2165 (gen_declaration_1): New function, body of gen_declaration.
2166 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2167 (gen_method_decl): Ditto, plus always clear buffer arg.
2168 (error_with_ivar): Simplify.
2169 (warn_with_method): Ditto.
2170 (build_message_expr): Don't clear buffers.
2171 (dump_interface): Ditto.
2172 (objc_debug): Ditto.
2173 (build_keyword_selector): Clear the buffer by only zeroing
2175 (objc_implementation_context): Declare.
2176 (start_class): Warn about missing @end.
2177 (finish_objc): Ditto.
2179 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2181 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2183 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2185 * Makefile.in (SYSTEM_H): Define.
2186 Depend on $(SYSTEM_H), not system.h.
2188 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2190 2001-03-27 Jim Wilson <wilson@redhat.com>
2192 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2194 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2195 (process_epilogue): New static function.
2196 (process_set): Call process_epilogue instead of emitting .restore
2198 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2200 * flow.c (struct reg_cond_life_info): New fields orig_condition
2202 (init_propagate_block_info): Set new fields.
2203 (mark_regno_cond_dead): Set and use new fields.
2204 (flush_reg_cond_reg_1): Likewise.
2205 (and_reg_cond, case AND): Check for redundant AND conditions.
2206 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2209 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2211 * cppmacro.c (stringify_arg): Null terminate strings.
2213 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2215 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2216 inclusion style. xm-m68hc11.h no longer exists.
2217 * config/m68hc11/xm-m68hc11.h: Delete file.
2218 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2220 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2221 Don't define GCC_VERSION, N_, or PARAMS; don't include
2222 gansidecl.h or stdio.h. Define inhibit_libc here.
2223 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2224 Delete code conditioned on #if GCC_VERSION == 2095.
2226 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2227 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2228 Delete code conditioned on #if GCC_VERSION == 2095.
2230 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * system.h: Include symcat.h.
2233 (STRINGIFY): Don't define.
2235 * configure.in: Adjust comment.
2237 * builtins.c: Use STRINGX, not STRINGIFY.
2238 * gencheck.c: Likewise.
2239 * gengenrtl.c: Likewise.
2240 * protoize.c: Likewise.
2242 * cpplex.c: Don't include symcat.h.
2243 * cpplib.c: Likewise.
2245 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2247 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2249 * c-typeck.c (digest_init): Fold init expression.
2251 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2253 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2255 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2257 * except.c (eh_regs): Save results of build_pointer_type to a temp
2258 as FUNCTION_VALUE macro may evaluate its args multiple times.
2260 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2262 * c-common.h (DECL_NUM_STMTS): New macro.
2263 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2265 (pushdecl): Likewise.
2266 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2267 * integrate.c (expand_inline_function): Don't check
2269 * print-tree.c (print_node): Don't print it.
2270 * toplev.c (rest_of_compilation): Don't try to inline when
2271 flag_no_inline is on.
2272 * tree.h (DECL_FRAME_SIZE): Remove.
2273 (tree_decl): Adjust accordingly.
2275 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2277 * combine.c (try_combine): Use memcpy, not bcopy.
2279 * genattrtab.c (expand_units): Likewise.
2281 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2283 * i386.md (push mem DI peep2): New.
2284 (mov 0, mov -1 peep2): Handle 64bit.
2285 (lea to arithmetics peep2): Handle 64bit leas.
2286 (rsp arithmetics to push/pop peep2s): New.
2288 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2290 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2292 * i386.c (struct machine_function): Add save_varrargs_registers.
2293 (ix86_save_varrargs_registers): New macro.
2294 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2295 (ix86_expand_prologue): Likewise.
2296 (ix86_emit_epilogue_esp_adjustement): Likewise.
2297 (ix86_expand_epilogue): Likewise.
2298 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2299 (pro_epilogue_adjust_stack_1): New insn.
2300 (pro_epilogue_adjust_stack_rex64): Likewise.
2301 * i386.h (MASK_NO_RED_ZONE): New constant.
2302 (TARGET_RED_ZONE): New macro.
2303 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2304 (RED_ZONE_SIZE): New constant.
2305 (RED_ZONE_RESERVE): New constant.
2307 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2309 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2311 2001-03-25 Kazu Hirata <kazu@hxi.com>
2313 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2316 (umodhi3): Likewise.
2319 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2321 * mkconfig.sh (DEFINES): Handle entries with '='.
2323 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2324 Set xm_defines to MACRO=value instead.
2326 * i370/xm-mvs.h: Delete.
2328 * ns32k/xm-pc532-min.h: Likewise.
2330 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2332 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2334 use ix86_expand_binary_operator
2335 (?sh??i_?): Disable for 64bit.
2336 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2337 * i386.c (shiftdi_operand): New predicate.
2339 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2340 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2341 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2342 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2343 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2344 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2345 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2346 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2347 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2348 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2349 (rotldi3, rotrdi3): New expanders.
2351 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2353 * i386.md (movstrsi): Move offline.
2355 (strmovdi_rex64): New.
2356 (strmov?i): Accept 64bit.
2357 (strmov?i_rex64): New.
2358 (strmov?i_rex_1): New.
2359 (strmov?i_1): Disable for 64bit.
2360 (rep_mov?i_rex64): New.
2361 (rep_mov?i): Disable for 64bit.
2362 (clrstrsi): Move offline.
2363 (strset?i_rex64): New.
2364 (strset?i: Accept 64bit.
2365 (rep_stos?i): Disable for 64bit.
2366 (rep_stos?i_rex64): New.
2367 (strset?i_rex_1): New.
2368 (strset?i_1): Disable for 64bit.
2369 (cmpstrsi): Accept 64bit.
2370 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2371 (cmpstrqi_nz_rex_1): New.
2372 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2373 (strlensi): Move offline.
2375 (strlenqi_1): Disable for 64bit; fix constraints.
2376 (strlenqi_rex_1): New.
2377 * i386.c (ix86_adjust_counter): New static function.
2378 (ix86_zero_extend_to_Pmode): Likewise.
2379 (ix86_expand_aligntest): Likweise.
2380 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2381 (ix86_expand_movstr): New global function.
2382 (ix86_expand_clrstr): New global function.
2383 (ix86_expand_strlen): New global function.
2384 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2385 ix86_expand_strlen): Declare.
2386 (ix86_expand_strlensi_unroll_1): Delete.
2388 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2390 * i386.md (cmpdi): Fix operand predicates.
2391 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2392 cmpdi_1_insn_rex64): New patterns.
2393 (adddi3): Turn to expander.
2394 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2395 (addsi3_carry_zext): New pattern.
2396 (adddi_?_rex64): New patterns and splitters.
2397 (addsi_?_zext): New patterns.
2398 (subsi3_carry_zext): New pattern.
2399 (subdi_?_rex64): New patterns and splitters.
2400 (iorsi_?_zext): New patterns.
2401 (iordi_?_rex64): New patterns and splitters.
2402 (iorsi_?_zext): New patterns.
2403 (iorsi_?_zext_imm): New patterns.
2404 (xorsi_?_zext): New patterns.
2405 (xordi_?_rex64): New patterns and splitters.
2406 (xorsi_?_zext): New patterns.
2407 (negdi*): New patterns.
2408 (one_cmpldi*): Likewise.
2409 (one_cmplsi*_zext, negsi*_zext): Likewise.
2410 (testqi_ext_3_rex64): New pattern.
2412 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2414 * i386-protos.h (ix86_split_long_move): Return void.
2415 * i386.c (ix86_split_to_parts): Handle 64bit target.
2416 (ix86_split_long_move): Likewise.
2417 * i386.md (all calls to ix86_split_long_move): Update.
2419 2001-03-23 Richard Henderson <rth@redhat.com>
2421 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2422 to avoid shadowing arguments.
2424 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2426 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2427 to variable names where DECL_NAME is different from
2428 DECL_ASSEMBLER_NAME.
2430 2001-03-23 Jim Wilson <wilson@redhat.com>
2432 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2433 (assemble_alias): Call make_decl_rtl.
2435 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2437 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2439 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2441 * extend.texi: Document the "java_interface" attribute.
2443 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2445 * mkconfig.sh: Use a subshell with redirected stdout,
2446 instead of closing stdout and confusing commands that run
2447 afterward. Throw away output of cmp.
2449 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2451 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2453 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2455 * i386.md (zero_extendsidi2_32): Break out from ...
2456 (zero_extendsidi2): ... here ; turn to expander.
2457 (zero_extendsidi2_rex64): New.
2458 (extendsidi2_32): Break out from ...
2459 (extendsidi2): ... here ; turn to expander.
2460 (extendsidi2_rex64): New.
2461 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2462 (trunc?f?f splitters): Add 64bit versions.
2464 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2466 * i386.md (pushsi, pushsi2_prologue): Disable.
2467 (pushsi2_rex64): New.
2468 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2469 (movqi_ext_1): Disable for 64bit.
2470 (movqi_ext_1_rex64): New.
2471 (pushdi2_rex64): New pattern, peep2s and splitter.
2472 (pushdi2_prologue_rex64): New pattern.
2473 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2475 (movdi splitters): Disable for 64bit.
2476 (movdi_1_rex64): New pattern, peep2s and splitters.
2477 (swapdi): New pattern.
2478 (pushsf): Disable for 64bit.
2479 (pushsf_rex64): New pattern and splitter.
2480 (pushdf_nointeger): Disable for 64bit.
2481 (pushdf_integer): Handle the 64bit case.
2482 (pushtf): Likewise; update splitters.
2484 2001-03-22 Richard Henderson <rth@redhat.com>
2486 * mkconfig.sh: Include insn-flags.h.
2487 * Makefile.in (CONFIG_H): Include insn-flags.h.
2488 (lots of objects): Remove insn-codes.h and insn-flags.h.
2490 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2491 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2492 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2493 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2494 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2495 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2496 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2497 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2498 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2499 v850/v850.c, vax/vax.c:
2500 Don't include insn-flags.h.
2502 * diagnostic.c, expr.h, reload.c, toplev.c:
2503 Don't include insn-codes.h.
2505 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2506 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2507 c4x/c4x.c, i960/i960.c, mips/mips.c:
2508 Don't include insn-codes.h or insn-flags.h.
2510 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2511 or insn-flags.h in the generated code.
2512 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2513 (main): Forward declare struct rtx_def.
2515 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2517 * invoke.texi (-ffast-math): Remove duplicate line about
2520 * gcc.texi: Remove more obsolete documentation of bugs and
2521 installation problems.
2523 2001-03-21 Kazu Hirata <kazu@hxi.com>
2525 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2528 2001-03-20 Jason Merrill <jason@redhat.com>
2530 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2532 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2533 * varasm.c (CHKR_PREFIX): Likewise.
2535 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2537 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2538 is part of a multi-SET insn.
2540 * cse.c (find_comparison_args): Remove previous change.
2541 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2544 * config/i386/i386.md (conditional_trap): Remove warning.
2546 * recog.c (push_operand): Fix error in last change that caused
2547 undefined symbol on many targets.
2549 * sdbout.c: #include ggc.h.
2550 (sdbout_init): Move to end of file.
2551 Call ggc_add_tree_root for anonymous_types.
2552 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2553 (sdbout_one_type): Use DECL_NAME for field name.
2554 * Makefile.in (sdbout.o): Show includes ggc.h.
2556 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2558 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2559 (override_options): Use properlimits for preferred_stack_boundary.
2560 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2562 (ext_register_operand): Accept DImode.
2563 (load_pic_register): Abort on 64bit.
2564 (gen_push): Use Pmode instead of SImode.
2565 (ix86_save_reg): Pic reg is never used on 64bit.
2566 (ix86_expand_prologue): Likewise.
2567 (ix86_emit_save_regs): Use Pmode instead of SImode.
2568 (legitimate_address_p): Check displacement for 64bit.
2569 (print_operand): Avoid outputting of (%rip) on 64bit.
2570 (print_operand_address): Output (%rip) where possible.
2571 (split_di): Abort on 64bit registers.
2572 (ix86_expand_branch): DImode comparison is simple for x86_64.
2573 (memory_address_length): Recognize memory addresses formed using
2575 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2577 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2579 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2581 * recog.c (push_operand): Recognize new format of push instructions.
2583 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2585 * i386.md (pushqi1): New.
2586 * i386-protos.h (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): Declare.
2590 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2591 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2592 x86_64_immediate_operand, x86_64_immediate_operand,
2593 x86_64_zext_immediate_operand): define.
2594 * i386.h (PREDICATE_CODES): Add new predicates.
2596 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2598 * i386.md (pophi1, popqi1, pushqi1): Remove.
2600 * expr.c (emit_single_push_insn): New function.
2601 (move_by_pieces): Accept NULL as destination for push instructions.
2602 (gen_push_operand): Kill.
2603 (emit_push_insn): Pass NULL when pushing; avoid updating of
2604 stack_pointer_delta.
2605 * expr.h (gen_push_operand): Kill.
2607 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2609 * rtl.texi (COMPARE): Clarify documentation and reference section
2612 2001-03-20 Stan Shebs <shebs@apple.com>
2614 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2615 (get_object_reference): Ditto.
2616 (error_with_ivar): Use error_with_file_and_line.
2617 (warn_with_method): Use warning_with_file_and_line.
2619 2001-03-20 Tom Tromey <tromey@redhat.com>
2621 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2623 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2625 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2626 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2628 2001-03-20 DJ Delorie <dj@redhat.com>
2630 * Makefile.in (install-libgcc): Pass complete list of variables.
2631 (install-multilib): Ditto.
2633 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2635 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2636 drectve_section, switch_to_section.
2638 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2639 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2640 i386_pe_mark_dllimport.
2642 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2644 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2645 functions i386_pe_*.
2647 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2648 i386_pe_* functions with char * arguments.
2650 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2652 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2654 (movsi_ie): Introduce fpul store.
2656 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2658 * Makefile.in (OBJS): Remove hashtab.o.
2660 2001-03-19 Stan Shebs <shebs@apple.com>
2662 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2663 * c-lang.c (maybe_objc_method_name): Ditto.
2664 * c-tree.h (maybe_objc_method_name): Remove decl.
2666 2001-03-19 Tom Tromey <tromey@redhat.com>
2668 * gcc.c (init_gcc_specs): Fix comment.
2670 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2672 Compute DECL_ASSEMBLER_NAME lazily.
2673 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2674 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2675 (SET_DECL_ASSEMBLER_NAME): Likewise.
2676 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2677 (set_decl_assembler_name): Declare.
2678 (lang_set_decl_assembler_name): Likewise.
2679 * tree.c (lang_set_decl_assembler_name): New variab.e
2680 (set_decl_assembler_name): New function.
2681 (init_obstacks): Set lang_set_decl_assembler_name.
2682 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2683 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2684 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2685 where it's not necessary.
2686 (builtin_function): Likewise.
2687 (finish_decl): Likewise.
2688 * dbxout.c (dbxout_type_methods): Likewise.
2689 * ggc-common.c (ggc_mark_trees): Likewise.
2690 * profile.c (output_func_start_profiler): Likewise.
2691 * varasm.c (make_decl_rtl): Likewise.
2693 * cse.c (find_comparison_args): Update documentation. Fix
2694 mishandling of COMPARE operations.
2696 * tree.def (ABS_EXPR): Add documentation.
2697 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2699 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2701 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2703 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2705 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2706 Remove ia32 linux PIC kludge and move it...
2707 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2709 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2711 * i386.md (absdf2 expander): Fix 64bit case.
2713 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2715 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2717 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2719 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2721 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2723 * README.X11: Remove obsolete file.
2725 2001-03-18 Anthony Green <green@redhat.com>
2727 * config/pj/pj.h: Remove some trailing commas.
2728 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2730 2001-03-18 Richard Henderson <rth@redhat.com>
2732 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2733 * calls.c: ... here.
2734 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2735 defaults for them here.
2737 2001-03-17 Anthony Green <green@redhat.com>
2739 * config/pj/lib1funcs.S: Fix broken comment.
2740 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2743 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2745 * gcc.texi: Remove obsolete information relating to build and
2746 installation problems with enquire or the Pyramid C compiler.
2748 2001-03-17 Richard Henderson <rth@redhat.com>
2750 * dwarf2out.c (queue_reg_save): New.
2751 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2752 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2754 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2755 (cfa, cfa_store, cfa_temp): Make static.
2756 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2758 2001-03-17 Richard Henderson <rth@redhat.com>
2760 * integrate.h (struct inline_remap): Add local_return_label.
2761 * integrate.c (expand_inline_function): Initialize it and emit
2762 it after copy_insn_notes.
2763 (copy_insn_list): Don't store local_return_label here.
2764 (copy_insn_notes): New function split out from copy_insn_list.
2766 2001-03-17 Richard Henderson <rth@redhat.com>
2768 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2769 is generating .debug_line.
2770 (dwarf2out_init): Add main_input_filename to the file table first.
2771 * configure.in (as_dwarf2_debug_line): Test with file number 1
2772 instead of file number 0.
2774 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2776 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2777 (gen_rtx_combine): Deleted; all references changed as appropriate.
2778 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2780 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2782 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2784 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2787 2001-03-16 Jim Wilson <wilson@redhat.com>
2789 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2790 then set it to LOC_REG (79) instead of aborting.
2792 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2794 * gccbug.in: Remove high priority.
2796 2001-03-16 Richard Henerson <rth@redhat.com>
2798 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2799 output with a space instead of deleting it.
2800 * configure: Regenerate.
2802 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2804 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2805 handles the gory details of converting an object file into
2806 something that's safe to grep.
2807 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2808 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2809 newlines at either end of the string we're looking for.
2810 Make 'checking ...' message less stilted.
2811 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2812 ARM in-memory layout and its hypothetical converse. Don't
2813 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2814 HOST_WORDS_BIG_ENDIAN.
2816 * configure.in: Adjust for renamed macro. Move
2817 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2818 * configure, config.in: Regenerate.
2820 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2822 * fixinc/Makefile.in: Set SHELL.
2824 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2826 * fixinc/fixincl.c (fix_with_system): Quote file names before
2827 passing them to shell.
2829 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2831 * Makefile.in: Use fix-header$(build_exeext) instead
2834 2001-03-16 Richard Henderson <rth@redhat.com>
2836 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2837 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2838 (size_of_line_prolog): Remove.
2839 (output_line_info): Compute prologue size via label difference.
2840 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2842 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2843 assembler error when redefining file numbers.
2844 * config.in, configure: Rebuild.
2846 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2847 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2848 (dw2_asm_output_delta_uleb128): Likewise.
2849 (dw2_asm_output_delta_sleb128): Similarly.
2850 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2852 2001-03-16 Michael Meissner <meissner@redhat.com>
2854 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2856 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2858 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2860 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2861 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2862 being unsigned in ISO C and signed in traditional.
2863 (expand_prologue): Ditto.
2864 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2866 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2868 (divsi3,divdi3): Ditto.
2869 (modsi3,moddi3): Ditto.
2870 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2871 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2872 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2875 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2877 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2878 SSE based conditional moves on LTGT/UNEQ conditions;
2879 Canonicalize EQ to NE.
2880 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2881 (sse_mov?fcc_ne): New.
2883 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2885 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2887 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2888 register may be dead.
2890 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2892 * Makefile.in (hash.o): Depend on CONFIG_H.
2894 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2896 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2898 2001-03-15 Richard Henderson <rth@redhat.com>
2900 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2901 (ASM_OUTPUT_DWARF_PCREL): New.
2902 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2904 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2906 * cppfiles.c (stack_include_file): Use MAX of sysp.
2908 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2910 * config.gcc (ia64*-*-hpux*): New case.
2911 * config/ia64/hpux.h: New file for HP-UX support.
2912 * config/ia64/t-hpux: New file for HP-UX support.
2914 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2916 * fixinc/inclhack.def (irix_stdio_va_list): New.
2917 * fixinc/fixincl.x: Rebuilt.
2919 2001-03-15 Richard Henderson <rth@redhat.com>
2921 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2922 if provided by the target.
2923 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2924 (dw2_asm_output_addr): New.
2925 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2926 * dwarf2out.c (output_cfi): Use it for program addresses.
2927 (output_call_frame_info, output_die): Likewise.
2928 (output_aranges, output_line_info): Likewise.
2930 2001-03-15 Bruce Korb <bkorb@gnu.org>
2932 * gcc.c(main): make more rigorous
2933 * collect2.c(main): guard against ignoring SIGCHLD
2934 * protoize.c(main): ditto
2935 * gcc/fixinc/fixincl.c(initialize): ditto
2937 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2939 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2940 (sdbout_parms): Likewise.
2942 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2944 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2945 "widen" a destination that is already wider than a word. Also do
2946 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2948 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2950 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2952 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2954 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2956 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2958 * i960.h (i960_maxbitalignment,
2959 i960_last_maxbitalignment): Declare.
2960 * i960.c (i960_maxbitalignment,
2961 i960_last_maxbitalignment): Make global.
2962 (process_pragma): Delete.
2963 (i960_pr_align, i960_pr_noalign): Move from here ...
2964 * i960-c.c: ... to this new file.
2965 * t-960bare (i960-c.o): New rule.
2966 * t-vxworks960 (i960-c.o): Likewise.
2967 * config.gcc (i960-*-*): Define c_target_objs and
2970 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2972 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2973 without adding in rtx code and mode.
2975 * alias.c (init_alias_analysis): Don't use any rtx whose value
2976 varies as a known value.
2977 Delete a superfluous test.
2979 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2981 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2982 scheduling a stop bit.
2983 (ia64_emit_nops): Correctly handle ASMs.
2985 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2987 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2989 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2991 * cpp.texi: Update documentation for -include and -imacros.
2992 * cppfiles.c (struct include_file): Remove "defined" memeber.
2993 (find_or_create_entry): Make a copy of the file name, and
2995 (open_file): Update to ensure we use the simplified filename.
2996 (stack_include_file): Don't set search_from.
2997 (cpp_included): Don't simplify the path name here.
2998 (find_include_file): New prototype. Call search_from to
2999 get the start of the "" include chain. Don't simplify the
3001 (_cpp_execute_include): New prototype. Move diagnostics to
3002 do_include_common. Update.
3003 (_cpp_pop_file_buffer): Don't set defined.
3004 (search_from): New prototype. Use the preprocessor's cwd
3005 for files included from the command line.
3006 (read_name_map): Don't simplify the pathname here.
3007 * cpphash.h (enum include_type): New.
3008 (struct buffer): Delete search from. New search_cached.
3009 (_cpp_execute_include): Update prototype.
3010 * cppinit.c (do_includes): Use _cpp_execute_include.
3011 * cpplib.c (do_include_common): New function.
3012 (do_include, do_include_next, do_import): Use it.
3014 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3016 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3017 contents of the RTL, to determine the name of the object.
3019 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3021 * tree.h (DECL_RTL): Allocate RTL lazily.
3022 (SET_DECL_RTL): New macro.
3023 (DECL_RTL_SET_P): Likewise.
3024 (COPY_DECL_RTL): Likewise.
3025 (DECL_RTL_IF_SET): Likewise.
3026 * varasm.c (make_decl_rtl): Add assertions about the kind of
3027 declaration we are processing.
3028 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3029 (start_decl): Likewise.
3030 (finish_decl): Likewise.
3031 * c-semantics.c (emit_local_var): Likewise.
3032 * calls.c (expand_call): Likewise.
3033 * dbxout.c (dbxout_symbol): Likewise.
3034 * emit-rtl.c (unshare_all_rtl): Likewise.
3035 (unshare_all_decls): Likewise.
3036 (reset_used_decls): Likewise.
3037 * expr.c (store_constructor): Likewise.
3038 (safe_from_p): Likewise.
3039 (expand_expr): Likewise.
3040 * function.c (put_var_into_stack): Likewise.
3041 (instantiate_decls_1): Likewise.
3042 (assign_parms): Likewise.
3043 (expand_function_start): Likewise.
3044 (expand_function_end): Likewise.
3045 * ggc-common.c (gcc_mark_trees): Likewise.
3046 * integrate.c (function_cannot_inline_p): Likewise.
3047 (copy_decl_for_inlining): Likewise.
3048 (expand_inline_function): Likewise.
3049 (integrate_parm_decls): Likewise.
3050 (integrate_decl_tree): Likewise.
3051 * print-tree.c (print_node): Likewise.
3052 * reg-stack.c (stack_result): Likewise.
3053 * stmt.c (label_rtx): Likewise.
3054 (expand_return): Likewise.
3055 (expand_decl): Likewise.
3056 (expand_decl_cleanup): Likewise.
3057 (expand_anon_union_decl): Likewise.
3058 * toplev.c (check_global_declarations): Likewise.
3059 (rest_of_decl_compilation): Likewise.
3060 * tree.c (simple_cst_equal): Likewise.
3061 * objc/objc-act.c (generate_static_references): Likewise.
3063 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3065 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3066 gcc_AC_C_FLOAT_FORMAT): New macros.
3067 * configure.in: Add AC_PROG_CPP after CC tests;
3068 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3069 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3070 * configure, config.in: Regenerate.
3072 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3073 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3074 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3075 config/i370/xm-linux.h, config/i370/xm-oe.h,
3076 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3077 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3078 config/pa/xm-linux.h, config/pa/xm-pa.h,
3079 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3080 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3081 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3082 config/we32k/xm-we32k.h: Delete.
3084 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3085 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3086 config/vax/xm-vms.h: Don't define any of:
3087 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3089 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3091 * config.gcc: Remove references to deleted files.
3092 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3093 FATAL_EXIT_CODE, which is the same between oe and mvs).
3095 2001-03-14 DJ Delorie <dj@redhat.com>
3096 Vladimir Makarov <vmakarov@redhat.com>
3098 * config/i960/i960.c (i960_function_prologue): Compute size of
3099 frame according to number of registers actually saved there.
3101 2001-03-14 Richard Henderson <rth@redhat.com>
3103 * expr.c (emit_move_insn_1): Fix else if around #endif.
3105 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3108 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3111 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3113 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3114 (override_options): Parse cmodel string.
3115 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3116 * i386.h (TARGET_OPTIONS): Add "cmodel".
3117 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3119 (ix86_cmodel_string, ix86_cmodel): Declare.
3121 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3124 * i386.h (GENERAL_REG_P): Add missing REG_P.
3126 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3128 * configure.in: Use $gcc_cv_as instead of $as.
3129 * configure: Regenerated.
3131 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3133 * cppfiles.c (stack_include_file): Only increase the include
3134 count if we actually process the file properly, as opposed
3135 to treating it as length zero. Only call read_include_file
3136 if not DO_NOT_REREAD. Handle the -H include file output
3138 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3139 (cpp_included, find_include_file): Simplify pathnames after
3140 remapping them. If remapping, don't use the remapped file
3141 name's buffer as our scratch buffer.
3142 (cpp_pop_file_buffer): Replace the multiple include macro
3143 only if it isn't yet set.
3144 (read_name_map): Simplify remapped names when reading in.
3145 (remap_filename): Move code to code path that uses it.
3146 (_cpp_simplify_pathname): Return the input pointer.
3147 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3149 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3151 * expr.c (expand_expr): Revove bogus conditional.
3153 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3155 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3157 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3159 * reg-stack.c (stack_result): Unconditionally use
3160 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3162 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3164 * expr.c (emit_move_insn_1): Split push of complex value when
3165 no suitable push instruction exist.
3167 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3168 instead of QI_REG_P.
3170 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3172 * alias.c (handled_component_p, can_address_p): New functions.
3173 (get_alias_set): Use them.
3175 2001-03-13 Jim Wilson <wilson@redhat.com>
3177 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3178 from 80 in try_locals code.
3179 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3181 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3183 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3184 gcc_AC_C_LONG_LONG): New.
3185 * configure.in: Use them. Probe the size of short, int, long,
3186 and long long/__int64 if we have them. Move all the AC_C_*
3187 checks together, except gcc_AC_C_CHAR_BIT which has to go
3188 after AC_CHECK_HEADERS(limits.h).
3189 Take hwint.h out of host_xm_file and build_xm_file.
3191 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3192 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3193 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3194 Move the HOST_WIDEST_INT setup logic here from system.h.
3195 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3197 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3198 is now handled by hwint.h.
3200 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3201 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3202 config/ia64/xm-ia64.h: Don't define any of:
3203 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3204 HOST_BITS_PER_LONGLONG.
3206 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3207 config/h8300/xm-h8300.h, config/mips/iris6.h,
3208 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3209 config/sparc/xm-sp64.h: Delete.
3210 * config.gcc: Remove references to deleted files.
3212 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3213 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3214 * config/i370/xm-linux.h: Clarify floating-point situation in
3217 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3219 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3220 (find_include_file): Decide here which part of the include
3221 chain to start the search. Complain about an empty include
3222 chain in all cases apart from an abolsute file name.
3223 (_cpp_execute_include): Don't choose the search chain here.
3224 Don't call handle_missing_include in the case of an empty
3226 (_cpp_compare_file_date): Don't choose the search chain here.
3227 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3228 here from _cpp_execute_include. Behave like #include if
3229 we're in the main file.
3231 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3233 * system.h (malloc, realloc, calloc, strdup): Only poison these
3234 tokens when IN_GCC is defined.
3236 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3238 * i386.md (abs?f expander): Support SSE case.
3239 (abd?f_if): Add new "USE"; add splitters.
3241 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3243 * cpp.texi (poison): Explain the macro expansion exception.
3245 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3247 * expr.c (store_expr): Add dont_store_target. If temp is already in
3248 target before copying to reg, don't store it into target again.
3250 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3252 * cppinternals.texi: Update for file handling.
3254 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3256 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3257 2001-02-24 which broke building the Java library.
3258 * function.c (identify_blocks): Likewise.
3259 (all_blocks): Likewise.
3260 * integrate.c (integrate_decl_tree): Likewise.
3261 * print-tree.c (print_node): Likewise.
3262 * tree.h (BLOCK_NUMBER): Likewise.
3263 (struct tree_block): Likewise.
3265 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3267 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3268 __WCHAR_TYPE__ definition.
3269 (WCHAR_TYPE_SIZE): #undef before #define.
3271 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3273 * cppfiles.c: Update comments.
3274 (destroy_include_file_node): Rename destroy_node.
3275 (find_or_create_entry): New function.
3276 (open_file, _cpp_fake_include): Use it.
3277 (handle_missing_header): New function, broken out of
3278 _cpp_execute include. Don't segfault if there is no
3279 system or quoted path.
3280 (_cpp_execute_include): Use handle_missing_header.
3282 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3284 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3285 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3287 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3289 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3290 unless anti_dependence says they are.
3291 * alias.c (objects_must_conflict): If neither has a type specified,
3294 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3295 David Billinghurst <David.Billinghurst@riotinto.com>
3297 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3299 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3301 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3302 (*_one_bit): Remove type on the match_operand in attributes.
3304 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3306 * i386.c: Commit forgotten hunk in previous patch.
3307 (regclass_map): Add extended registers.
3308 (dbx_register_map): Add missing frame register.
3310 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3312 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3314 * i386.md (x86_sahf_1): Disable for 64bit.
3315 (popsi*, pophi*): Likewise.
3316 (pushqi, pushhi): Likewise.
3317 (movdi, pushdi): Likewise.
3318 (zero extend DImode splitter): Likewise.
3319 (adddi, minusdi splitter): Likewise.
3320 (umulsidi): Likewise.
3322 (mulsidi): Disable for 64bit
3323 (lshift:DI/ashift:DI): Disable for 64bit.
3324 (loop patterns): Likewise.
3325 (call_pop, call_value_pop expanders and patterns): Likewise.
3326 (prologue_get_pc): Likewise.
3328 (fcmovDI pattern and splitter): Likewise.
3329 (movdfcc_1_rex64): New.
3331 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3333 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3334 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3335 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3336 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3337 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3338 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3339 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3340 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3341 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3342 (REGPARM_MAX): Set to 6 for x86_64.
3343 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3344 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3347 * (patterns that does use upper halves): Update constraints
3348 'q' to 'Q' and 'r' to 'R'.
3349 (cmpqi_ext_1): Disable for 64bit.
3350 (cmpqi_ext_3_insn): Likewise.
3351 (movqi_extzv_1): Likewsie.
3352 (addqi_ext_1): Liekwsie
3353 (testqi_ext_1): Liekwsie
3354 (andqi_ext_1): Liekwsie
3355 (xorqi_ext_1): Liekwsie
3356 (cmpqi_ext_1_rex64): New.
3357 (cmpqi_ext_3_insn_rex64): Likewise.
3358 (movqi_extzv_1_rex64): Likewsie.
3359 (addqi_ext_1_rex64): Liekwsie
3360 (testqi_ext_1_rex64): Liekwsie
3361 (andqi_ext_1_rex64): Liekwsie
3362 (xorqi_ext_1_rex64): Liekwsie
3364 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3366 * configure.in: Move check for unsigned enumerated bitfields
3367 to macro in aclocal.m4. Disable it for now.
3368 * configure, config.in: Regenerate.
3369 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3370 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3371 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3372 kind above its first use.
3374 * config/xm-interix.h, config/alpha/xm-alpha.h,
3375 config/i370/xm-linux.h, config/i386/xm-beos.h,
3376 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3377 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3378 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3379 Don't define ONLY_INT_FIELDS under any circumstances.
3381 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3383 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3384 config/sparc/xm-sysv4.h: Delete - now identical with some
3386 * config.gcc (hppa targets): Replace xm-pahpux.h and
3387 xm-papro.h with implicit xm-pa.h.
3388 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3391 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3393 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3394 before reload_cse_noop_set_p.
3396 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3398 * config.gcc: Where xm-host.h used to include another
3399 xm-host.h, list the nested header directly in xm_file. Remove
3400 references to deleted files. Can now use sparc/xm-sp64.h for
3403 * config/xm-linux.h, config/arm/xm-linux.h,
3404 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3405 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3406 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3407 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3408 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3411 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3412 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3413 bother to wrap #undef in #ifdef.
3414 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3415 Don't include xm-linux.h.
3416 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3418 * configure.in: Wrap regexps using [] in changequote block.
3419 Use expr : not echo | grep. Simplify regexps.
3420 * configure: Regenerate.
3422 56 xm-files remain, 22 xm-arch.
3424 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3426 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3427 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3428 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3429 (copy_object): Fix format specifier vs argument mismatch.
3431 * mips-tdump.c: Make local functions static.
3432 (rindex): Don't #undef.
3433 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3434 (fatal, fancy_abort): Delete.
3435 (read_seek): Avoid signed/unsigned compare.
3437 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3439 * combine.c (try_combine): Fix error in change to try original
3441 (gen_rtx_combine): Do same as gen_rtx for now.
3443 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3445 * configure.in: AC_SUBST xm_defines.
3446 * configure: Regenerate.
3447 * Makefile.in: Set DEFINES=$(xm_defines) when building
3450 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3452 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3453 (cpp_included, find_include_file): Update.
3454 (_cpp_compare_file_date): Make else unconditional.
3456 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3458 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3460 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3462 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3463 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3465 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3467 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3468 if it's a record type.
3470 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3472 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3473 mingw includes slightly.
3475 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3477 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3478 #undef token before poisoning it.
3480 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3482 * alpha.c (check_float_value): Use memcpy, not bcopy.
3484 * m32r.c (m32r_sched_reorder): Likewise.
3486 * vax.c (check_float_value): Likewise.
3488 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3490 * toplev.c (file_name_nondirectory): Remove.
3491 * toplev.h: Similarly.
3492 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3493 of file_name_nondirectory.
3495 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3497 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3498 * mips-tfile.c: Don't #undef rindex; not used.
3500 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3503 (dbx64_register_map): Declare.
3504 (RETURN_ADDR_RTX): Fix for 64bit.
3505 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3506 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3507 * i386.c (dbx64_register_map): New global array.
3508 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3509 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3512 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3514 * cppfiles.c (search_from): Use lbasename.
3515 * mkdeps.c (deps_add_default_target): Use lbasename.
3517 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3519 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3520 xcalloc in lieu of malloc, realloc & calloc.
3522 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3524 * gengenrtl.c (xmalloc): Likewise.
3526 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3527 really_call_* memory allocation routines.
3529 * stmt.c (check_for_full_enumeration_handling): Use
3530 really_call_calloc, not calloc.
3532 * system.h (really_call_malloc, really_call_calloc,
3533 really_call_realloc): Define.
3534 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3536 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3538 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3540 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3542 * configure: Rebuilt.
3543 * configure.in: Only use `lang_requires' for languages athat are
3546 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3548 * invoke.texi: Fix typo.
3549 * gcc.1: Regenerate.
3551 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3553 * configure.in: Prune nonexistent files from build_xm_file,
3554 xm_file, and host_xm_file lists. Warn unless they're
3556 Don't generate *config.h here.
3557 AC_SUBST all variables needed to generate *config.h.
3558 * configure: Regenerate.
3559 * mkconfig.sh: New helper script, from code removed from
3561 * Makefile.in: Zap all MALLOC variables - no longer used
3562 anywhere, and malloc.c doesn't exist.
3563 Substitute in variables needed to generate *config.h.
3564 Stop lying about the dependencies contained in CONFIG_H and
3566 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3567 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3568 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3569 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3570 $(TM_P_H), etc. as appropriate.
3572 * config.gcc: Zap references to deleted files.
3573 * ggc-none.c: Don't include rtl.h or tm_p.h.
3575 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3576 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3577 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3578 config/i386/xm-linux.h, config/i386/xm-linux.h,
3579 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3580 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3581 Don't include i386/xm-i386.h.
3583 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3584 config/i386/xm-i386.h, config/i860/xm-i860.h,
3585 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3586 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3587 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3588 Delete (empty except comments, #includes of other deleted
3589 files, and macros used nowhere).
3591 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3593 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3594 independent on TARGET_FLAGS.
3596 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3598 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3600 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3602 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3604 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3605 LAST_REX_SSE_REG): define.
3606 (enum reg_class): Add 'LEGACY_REGS'
3607 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3608 (SSE_REGNO_P): Recognize extended registers.
3609 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3610 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3611 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3612 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3613 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3614 REG_OK_FOR_STRREG_P): Remove.
3615 (HI_REGISTER_NAMES): Add extended registers.
3616 (ADDITIONAL_REGISTER_NAMES): Likewise.
3617 (QI_REGISTER_NAMES): Add 8bit extended registers.
3618 (DEBUG_REG): Support extended registers.
3619 * i386.c (regclass_map): Add extended registers.
3620 (dbx_register-map): Likewise.
3621 (svr4_dbx_register_map): Likewise.
3622 (print_reg): Support extended registers.
3623 (print_operand): Support 64bit operands.
3625 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3627 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3628 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3629 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3630 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3631 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3632 STACK_BOUNDARY): Set properly for 64bits.
3633 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3634 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3635 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3636 (MOVE_MAX): Set to 16.
3637 (MOVE_MAX_PIECES): 8 for 64bit.
3638 (Pmode): Set to SImode.
3640 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3642 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3644 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3646 * i386.h (mask_64bit): New constant.
3647 (target_64bit): New macro.
3648 (target_options): Add '64'/'32'
3649 (target_default): Define.
3650 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3651 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3652 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3654 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3656 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3658 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3660 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3661 LO_SUM unless for_alias is set.
3663 2001-03-08 Stan Shebs <shebs@apple.com>
3665 * objc/objc-act.c: Fix old typos in comments, add comments for
3667 (hash_init): Fix file name in error message.
3668 (hash_enter): Ditto.
3669 (hash_add_attr): Ditto.
3670 (continue_class): Ditto.
3672 2001-03-08 Bruce Korb <bkorb@gnu.org>
3674 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3675 wait4() can receive the signal.
3677 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3679 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3681 * fixinc/fixincl.x: Regenerate.
3683 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3685 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3687 * fixinc/fixincl.x: Regenerate.
3689 2001-03-08 Richard Henderson <rth@redhat.com>
3691 * configure.in (HAVE_AS_LEB128): New assembler check.
3692 * configure, config.in: Rebuilt.
3694 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3696 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3699 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3701 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3702 references to the MAXPATHLEN macro.
3704 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3705 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3708 * config/i386/xm-gnu.h, config/xm-gnu.h,
3709 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3710 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3711 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3712 and/or unused files.
3714 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3715 doing so in various xm-*.h files.
3717 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3719 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3721 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3723 * configure.in (enable_shared): Support per-package shared-library
3725 * configure: Rebuilt.
3727 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3729 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3730 for crnot. Set operands[5] in splitter.
3732 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3734 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3735 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3736 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3737 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3738 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3739 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3740 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3743 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3744 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3745 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3746 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3747 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3748 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3749 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3750 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3751 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3752 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3753 Delete unused and/or empty files.
3755 * config.gcc: Define USG in xm_defines as appropriate. Define
3756 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3757 macro. Remove deleted xm-* files from $xm_files variable.
3759 2001-03-07 Tom Tromey <tromey@redhat.com>
3761 * configure: Rebuilt.
3762 * configure.in: Allow config-lang.in to set `lang_requires' to list
3763 of other required languages.
3765 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3767 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3769 (output_prologue): Use xmalloc not oballoc.
3770 (output_epilog): Free a29k_first_epilogue_insn when finished.
3771 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3773 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3775 * builtins.c (expand_builtin_mathfn): Check
3776 flag_unsafe_math_optimizations, not flag_fast_math.
3777 (expand_builtin): Likewise
3778 * combine.c (combine_simplify_rtx): Likewise.
3779 (simplify_if_then_else): Likewise.
3780 * cse.c (fold_rtx): Likewise.
3781 * flags.h: Remove flag_fast_math. Add
3782 flag_unsafe_math_optimizations and flag_trapping_math.
3783 * fold-const.c (negate_expr): Check
3784 flag_unsafe_math_optimizations, not flag_fast_math.
3785 (invert_truthvalue): Likewise.
3786 (fold): Likewise. Before associating operands, check that
3787 code == MULT_EXPR, not code != MULT_EXPR.
3788 * ifcvt.c (noce_try_minmax): Check
3789 flag_unsafe_math_optimizations, not flag_fast_math.
3790 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3791 * invoke.texi: Document -funsafe-math-optimizations and
3792 -fno-trapping-math. Change documentation for -ffast-math.
3793 * jump.c (reversed_comparison_code_parts): Likewise.
3794 (rtx_equal_for_thread_p): Likewise.
3795 * optabs.c (emit_conditional_move): Likewise.
3796 * simplify-rtx.c (simplify_binary_operation): Likewise.
3797 (simplify_relational_operation): Likewise.
3798 (simplify_ternary_operation): Likewise.
3799 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3800 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3801 Add trapping-math and unsafe-math-optimizations entries to f_options.
3802 (set_fast_math_flags): New, sets flags for -ffast-math.
3803 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3804 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3805 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3807 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3808 (alpha_emit_conditional_move): Initialize local_fast_math to
3809 flag_unsafe_math_optimizations, not flat_fast_math.
3810 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3811 instead of setting flag_fast_math to 1.
3812 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3814 * config/i386/i386.c (override_options): Likewise
3815 * config/i386/i386.md: Likewise.
3816 * config/m68k/m68k.md: Likewise.
3817 * config/mips/mips.md: Likewise.
3818 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3819 (rs6000_generate_compare): Likewise.
3821 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3823 * Makefile.in: Set RANLIB to @RANLIB@.
3826 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3828 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3829 * fixinc/fixincl.x: Regenerated.
3831 2001-03-07 Richard Henderson <rth@redhat.com>
3833 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3835 2001-03-07 Richard Henderson <rth@redhat.com>
3837 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3838 of block notes and exception handling notes.
3840 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3841 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3842 (compile_file): ... here.
3844 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3846 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3848 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3849 config.h now. Include libiberty.h to handle alloca.
3851 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3853 * c-parse.in (yylexname): New function, split out of _yylex.
3854 (objc_rid_sans_at): New table.
3855 (init_reswords): Initialize it.
3856 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3857 retrieving the next token and checking it for significance as
3858 an ObjC keyword or string constant.
3860 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3861 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3863 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3866 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3868 * config/m68k/m68k.c (const_uint32_operand): Accept any
3869 const_int on a 32-bit host.
3871 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3873 * objc/objc-act.c (init_objc): Set save_lang_status,
3874 restore_lang_status, and mark_lang_status.
3876 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3878 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3880 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3882 * cppinternals.texi: Update.
3884 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3886 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3887 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3888 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3889 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3890 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3891 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3892 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3893 config/i386/xm-i386.h, config/i860/xm-i860.h,
3894 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3895 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3896 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3897 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3898 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3899 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3900 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3901 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3902 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3903 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3904 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3905 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3906 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3907 match the defaults provided in hwint.h.
3909 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3910 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3912 * config.gcc (xm_file): Don't set to files which are deleted.
3914 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3915 guard this file against these macros being undefined.
3917 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3919 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3920 and DECL_DEFER_OUTPUT on the decl we create, before calling
3921 rest_of_decl_compilation.
3923 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3925 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3927 * configure, config.in: Regenerate.
3928 * config.gcc: Remove references to deleted files.
3930 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3931 genrecog.c, rtl.c: Do not use alloca anywhere.
3933 * Makefile.in, build-make, system.h, config/x-interix,
3934 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3935 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3936 config/arc/xm-arc.h, config/arm/xm-arm.h,
3937 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3938 config/h8300/xm-h8300.h, config/i370/x-oe,
3939 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3940 config/i386/x-ncr3000, config/i386/x-sco5,
3941 config/i386/xm-dgux.h, config/i860/x-sysv4,
3942 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3943 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3944 config/m68k/x-hp320g, config/m69k/x-mot3300,
3945 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3946 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3947 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3948 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3949 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3950 config/mips/x-iris, config/mips/x-iris3,
3951 config/mips/x-sni-svr4, config/mips/x-sysv,
3952 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3953 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3954 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3955 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3956 config/pa/xm-papro.h, config/romp/xm-romp.h,
3957 config/rs6000/x-aix31, config/rs6000/x-aix41,
3958 config/rs6000/x-beos, config/rs6000/x-lynx,
3959 config/rs6000/x-mach, config/rs6000/x-rs6000,
3960 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3961 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3962 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3963 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3964 config/vax/xm-vms.h: Eradicate all references to alloca and
3967 * config/xm-alloca.h, config/clipper/x-clix,
3968 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3969 config/i860/x-sysv3, config/m88k/x-sysv3,
3970 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3971 (contained only alloca related hacks).
3973 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3976 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3978 * invoke.texi: Document __FAST_MATH__.
3980 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3982 * crtstuff.c: Restore include of auto-host.h.
3984 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3986 Put main() in a separate file, so that the language
3987 front-end can use a different main().
3990 * toplev.c: (main): Rename as toplev_main.
3991 * toplev.h: Declare toplev_main.
3992 * Makefile.in (OBJS): add toplev.o.
3993 (BACKEND): remove toplev.o, add main.o.
3995 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3997 * cppfiles.c (search_from): Special case the empty string.
3999 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4001 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4002 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4003 strlen or strcpy; we already know the length.
4004 (_cpp_compare_file_date): Similarly.
4005 * cpphash.h (struct cpp_reader): Delete done_initialising.
4006 (CPP_PREV_BUFFER): Delete.
4007 * cppinit.c (cpp_start_read): Don't set done_initialising.
4008 * cpplex.c (parse_string): Guarantee null-termination.
4009 (_cpp_equiv_toklists): Remove.
4010 * cpplib.c (glue_header_name): Null-terminate.
4011 (do_line): Don't leak memory.
4012 * cpplib.h (BT_WEAK): Delete.
4013 * cppmain.c (cb_ident): Strings are now null-terminated.
4015 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4017 * gcc.c (convert_filename): Append executable suffix
4018 if NO_AUTO_EXE_SUFFIX is not defined.
4019 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4020 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4022 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4024 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4025 * c-parse.gperf, c-gperf.h: Delete.
4026 (c-gperf.h was accidently re-added to the CVS repo in the rev
4027 1.16 commit by tromey)
4029 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4031 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4032 macro arguments when looking for the '('.
4033 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4034 2 when really parsing arguments; 1 when looking for '('.
4035 Always restore the lexer position.
4037 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4039 * longlong.h (umul_ppmm): Don't use a multiline string.
4041 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4043 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4044 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4045 t_bool in declaration because pcc can't combine volatile with typedef
4048 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4050 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4051 until when it is really needed.
4052 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4053 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4054 * i386.md (float?i?f splitter): Don't force source operand to memory
4056 (sse_movdfcc): Fix constraint.
4057 (sse_movdfcc splitter): Handle properly the second alternative.
4059 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4061 * cpplex.c (parse_string): Unconditionally pedwarn.
4063 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4066 * cppexp.c (parse_number): Update.
4067 * cpplex.c (parse_string): Pedwarn if multiline string does not
4068 result from a system header's macro.
4069 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4070 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4071 for function-like macros too.
4072 * c-lex.c (lex_number): Update.
4074 2001-03-03 Richard Henderson <rth@redhat.com>
4076 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4078 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4080 * combine.c (try_combine): If split with mode-changed scratch
4081 register didn't work, try the original mode.
4083 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4085 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4086 * config/c4x/c4x.h: Likewise.
4087 * stor-layout.c (compute_record_mode): Likewise.
4088 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4090 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4092 * configure.in: Kill tm.h. Include the files in the $tm_file
4093 list in all three of config.h, hconfig.h, tconfig.h, after the
4094 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4095 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4096 * configure: Regenerate.
4097 * Makefile.in (clean): Don't delete tm.h.
4099 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4100 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4101 those are not defined, set SEC and FEC to 0 and 1.
4102 * gcc.texi: Update to match.
4104 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4105 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4106 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4107 Include tconfig.h, not tm.h.
4109 * config/xm-lynx.h, config/xm-std32.h,
4110 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4111 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4112 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4113 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4114 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4115 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4116 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4117 config/i386/xm-i386.h, config/i860/xm-i860.h,
4118 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4119 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4120 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4121 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4122 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4123 config/pa/xm-linux.h, config/pa/xm-pa.h,
4124 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4125 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4126 config/pj/xm-pj.h, config/romp/xm-romp.h,
4127 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4128 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4129 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4130 config/v850/xm-v850.h, config/vax/xm-vax.h,
4131 config/we32k/xm-we32k.h:
4133 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4135 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4136 config/i370/xm-oe.h: Don't include tm.h. Don't define
4138 * config/vax/xm-vms.h: Don't include tm.h.
4140 * config/xm-lynx.h, config/avr/xm-avr.h,
4141 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4142 Delete; made empty by above changes.
4143 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4144 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4145 Don't include config/xm-lynx.h or tm.h.
4147 * config/xm-gnu.h: Don't include fcntl.h.
4148 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4150 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4152 2001-03-02 Richard Henderson <rth@redhat.com>
4154 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4155 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4157 2001-03-02 Richard Henderson <rth@redhat.com>
4159 * Makefile.in (OBJS): Add dwarf2asm.o.
4160 * dwarf2asm.c, dwarf2asm.h: New files.
4161 * dwarf2out.c (*): Use them.
4162 (size_of_uleb128, size_of_sleb128): Remove.
4163 (output_uleb128, output_sleb128): Remove.
4164 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4165 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4166 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4167 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4168 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4169 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4170 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4171 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4172 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4173 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4174 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4175 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4176 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4177 (dwarf2out_frame_debug): Remove unused variables.
4178 (output_loc_operands): Don't abort on 8 byte constants if
4179 host integers are wide enough.
4180 (output_symbolic_ref): Remove.
4181 (size_of_die): Don't assume 4 byte host integers.
4182 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4184 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4185 something stupid with HOST_WIDE_INT to long truncation.
4186 [CONST_DOUBLE]: Likewise.
4188 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4189 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4190 * config/arm/unknown-elf.h: Likewise.
4191 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4192 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4193 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4194 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4195 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4196 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4197 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4198 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4199 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4200 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4201 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4202 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4204 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4206 * cselib.c (hash_rtx): Cast enums to unsigned int.
4208 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4210 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4211 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4213 * c-format.c (C_STD_VER): Cast to int for comparisons.
4214 (check_function_format): Cast various enums to int for &.
4215 (maybe_read_dollar_number): Likewise.
4216 (check_format_info): Likewise.
4217 (check_format_info_main): Likewise.
4218 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4219 (safe_from_p): Likewise.
4220 * varasm.c (const_hash): Cast enum to int for %.
4221 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4222 pcc enum problems with < and ++ operators.
4223 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4224 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4225 (regclass_init): Change enum class to int to iterate over reg_classes.
4226 * genrecog.c (merge_trees): Cast enums for comparison.
4227 * rtl.h (GET_CODE): Cast to enum rtx_code.
4228 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4229 (GET_MODE): Cast to enum machine_mode.
4230 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4231 (GET_NOTE_INSN_NAME): Cast enum to int.
4232 * tree.h (TREE_CODE): Cast to enum tree_code.
4233 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4234 * timevar.c (timevar_print): Change loop variable id from enum to
4236 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4237 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4238 * toplev.c (compile_file): Cast enum DFI to int.
4239 (decode_d_option): Likewise.
4241 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4243 * cppinit.c (append_include_chain): Mark "after" include file name list
4244 as a system directory.
4245 * cpp.texi: Document new behavior.
4247 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4249 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4251 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4253 * cppfiles.c (struct include_file): Update.
4254 (stack_include_file): Use search_from.
4255 (cpp_included, find_include_file): Update.
4256 (cpp_execute_include): Update. ptr->name may not be
4257 null terminated. Use the new search_from member variable
4259 (_cpp_compare_file_date): Similarly.
4260 (search_from): New function, similiar to actual_directory.
4261 (actual_directory): Delete.
4262 (remap_filename): Update. loc->name may not be null terminated.
4263 (struct file_name_list): Rename search_path. Update.
4264 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4265 search_from and dir.
4266 (struct cpp_reader): Remove actual_dirs.
4267 * cppinit.c (struct cpp_pending): Update for renamed objects.
4268 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4269 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4270 * cpplib.h (struct cpp_options): Similarly.
4272 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4274 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4275 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4276 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4277 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4278 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4279 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4280 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4281 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4282 config/i370/xm-oe.h, config/i386/xm-aix.h,
4283 config/i386/xm-i386.h, config/i386/xm-osf.h,
4284 config/i860/xm-i860.h, config/i960/xm-i960.h,
4285 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4286 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4287 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4288 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4289 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4290 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4291 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4292 config/pj/xm-pj.h, config/romp/xm-romp.h,
4293 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4294 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4295 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4296 config/v850/xm-v850.h, config/vax/xm-vax.h,
4297 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4298 Do not define TRUE or FALSE.
4300 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4301 empty by above change.
4302 * config.gcc: Remove references to these files.
4304 * configure.in: Detect stdbool.h.
4305 * configure, config.in: Regenerate.
4306 * system.h: Include stddef.h here if available.
4307 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4308 Then set up a sensible boolean type at the very end.
4310 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4311 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4313 * hash.h: Delete 'boolean' typedef and related #undefs.
4315 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4316 all uses of 'boolean' with 'bool'.
4318 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4320 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4321 * cppexp.c (lex): Cast enums for comparison.
4322 * cppinit.c (parse_option): Cast enum for comparison.
4323 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4324 (cpp_output_token): Likewise.
4325 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4326 (cpp_avoid_paste): Cast enums for minus and comparison.
4328 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4330 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4331 field to all array elements.
4333 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4335 * cpphash.h (struct cpp_reader): Add print_version field.
4336 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4337 just set print_version and other flags as appropriate.
4338 (cpp_post_options): Print version here if print_version is set.
4340 * toplev.c (exit_after_options): New flag.
4341 (independent_decode_option): Don't exit here; just set
4343 (main): Exit after calling lang_hooks.post_options if
4344 exit_after_options is true.
4346 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4347 (merge_include_chains): Adjust comment to match code.
4349 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4351 * stringpool.c (set_identifier): New function.
4352 * tree.h: Prototype it.
4354 * c-parse.in: Kill D_YES. If compiled for objc, call
4355 save_and_forget_protocol_qualifiers from init_reswords.
4356 * objc/objc-act.c (remember_protocol_qualifiers,
4357 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4358 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4360 (save_and_forget_protocol_qualifiers): New function.
4361 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4363 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4365 * c-semantics.c (prune_unused_decls): Return error_mark_node
4366 instead of (tree) 1 to stop traversing the tree chain.
4368 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4370 Fix a problem introduced by Kenner's Feb 18 change.
4371 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4372 flag_cse_skip_blocks only temporarily, not for ever.
4374 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4376 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4377 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4379 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4380 before determining its register class.
4382 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4384 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4385 from reg 4 if current_function_calls_setjmp.
4386 (gen_nop_type): New function.
4387 (ia64_emit_nops): New function.
4388 (ia64_reorg): Call it.
4389 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4391 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4392 code not to try to optimize adds with anything but a REG destination.
4394 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4395 (INSN_PRIORITY_KNOWN): New accessor macro.
4396 * haifa-sched.c (priority): Use it instead of testing priority against
4399 2001-02-28 DJ Delorie <dj@redhat.com>
4401 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4402 since that doesn't work the way gcc wants on a generic m68k.
4404 2001-02-28 Richard Henderson <rth@redhat.com>
4406 * caller-save.c (save_call_clobbered_regs): Fix typo in
4407 comparison last change.
4409 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4411 * i386.c (pentium4_cost): New.
4412 (m_PENT4): New macro.
4413 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4414 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4415 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4416 x86_memory_mismatch_stall): Add Pentium4
4417 (x86_use_q_reg, x86_use_any_reg): Kill.
4418 (override_options): Add pentium4.
4419 (incdec_operand): Return 0 for pentium4.
4420 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4421 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4422 (TARGET_PENTIUM4): Define.
4423 (enum processor_type): Add PROCESSOR_PENTIUM4.
4424 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4425 * i386.md (attribute "cpu"): Add pentium4.
4426 * invoke.texi (march): Add pentium4.
4428 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4430 * i386.md (sse_mov?fcc*): New patterns and splitters.
4431 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4432 the SSE based conditional moves.
4434 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4436 * i386.md (attribute mode): Add "TI".
4437 (movsf_1): Add pxor support; remove constant propagation splitter.
4438 (movdf_integer): Likewise.
4439 (movdf_nointeger): Likewise.
4440 (movxf constant prop splitter): Handle all modes; update for SSE.
4441 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4442 * i386.c (standard_80387_constant_p): Rewrite.
4443 (standard_sse_constant_p): New.
4444 * i386-protos.h (standard_sse_constant_p): New.
4446 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4448 * i386.md (sse_setccsf, sse_setccdf): New.
4449 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4451 * i386.c (sse_comparison_operator): Accept the supported unordered
4452 comparses; be ready for fast_math.
4453 (print_operand): Support 'D'.
4455 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4457 * jump.c (reversed_comparison_code): Kill.
4459 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4461 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4464 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4466 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4467 add missing '%' in constraints.
4469 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4471 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4472 for HOST_BITS_PER_WIDE_INT == 32 too.
4474 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4476 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4478 (insert_save, insert_restore): New parameter save_mode.
4479 (init_caller_save): Update initialization of reg_save_code
4480 and reg_restore_code.
4481 (save_call_clobbered_regs): Compute save_modes and update calls to
4482 reg_save_code and reg_restore_code.
4483 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4484 of spill; update use of reg_restore_code.
4485 (insert_save): Likewise.
4486 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4487 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4488 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4490 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4492 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4493 noce_try_store_flag_inc, noce_try_store_flag_mask,
4494 noce_try_cmove_arith):
4495 Use reversed_comparison_code instead of reverse_comparison and
4496 can_reverse_comparison_p.
4498 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4500 * jump.c (reversed_comparison_code_parts): Allow reversal of
4501 unordered compares in -ffast-math mode; reverse ordered compares
4502 for FP even w/o -ffast-math.
4504 2001-02-27 Richard Henderson <rth@redhat.com>
4506 * print-rtl.c (print_rtx) [i]: Don't print field five on
4507 NOTEs other than NOTE_INSN_DELETED_LABEL.
4509 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4511 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4512 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4514 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4516 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4517 even if walk_subtrees is 0.
4518 * c-semantics.c (prune_unused_decls): Return a non-null value to
4519 stop traversing the tree chain.
4521 2001-02-27 DJ Delorie <dj@redhat.com>
4523 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4524 register, *then* define it as the new CFA.
4526 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4528 * pa.c (override_options): Promote -fpic to -fPIC.
4529 (legitimize_pic_address): Simplify due to removal of
4530 small PIC as a code generation option.
4531 (secondary_reload_class): Similarly.
4532 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4533 (PRINT_OPERAND_ADDRESS): Similarly.
4534 * pa.md (various patterns): Similarly.
4535 (small pic lo_sum pattern): Remove.
4537 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4540 * md.texi (min, max): Document
4542 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4544 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4545 TARGET_PARTIAL_REG_DEPENDENCY.
4546 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4548 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4550 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4552 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4554 * mips.c (mips_make_temp_file): Fix thinko in last change.
4556 2001-02-26 Jason Eckhardt <jle@redhat.com>
4558 * combine.c (known_cond): Do not reverse the condition when
4559 SMAX/UMAX is being considered and the condition is for equality
4562 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4564 2001-02-26 Philip Blundell <philb@gnu.org>
4566 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4568 * config/arm/linux-elf.h: Remove historical relics related to
4569 above configurations.
4570 * config/arm/linux-oldld.h: Delete.
4571 * config/arm/linux-elf26.h: Delete.
4573 2001-02-26 Jason Merrill <jason@redhat.com>
4575 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4577 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4578 recognize a tentative definition. Lose obsolete code.
4580 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4581 variables unless necessary, either.
4583 2001-02-25 Richard Henderson <rth@redhat.com>
4585 * ifcvt.c (struct noce_if_info): Add test_bb.
4586 (noce_get_alt_condition): New.
4587 (noce_try_minmax, noce_try_abs): New.
4588 (noce_operand_ok): New.
4589 (noce_process_if_block): Use them.
4590 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4592 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4594 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4597 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4599 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4600 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4602 (mips_asm_file_end): Free temp_filename here.
4604 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4606 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4607 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4609 * config/i386/i386.md (movstrsi): Handle FAIL case.
4611 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4613 * cppinit.c (builtin_array): Update.
4614 (init_builtins): Flag builtins to warn if redefined or
4615 undefined. Define __GXX_WEAK as a normal macro.
4616 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4617 * cpplib.h (NODE_WARN): New flag.
4618 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4619 Handle __STDC__ as a builtin only on Solaris.
4620 (warn_of_redefinition): Renamed from check_macro_definition.
4621 Reverse sense of test. Always warn if NODE_WARN.
4622 (_cpp_create_definition): Use warn_of_redefinition. Flag
4623 any macro beginning with "__STDC_" to require a mandatory
4624 warning if redefined or undefined.
4626 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4628 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4629 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4630 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4631 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4632 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4633 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4634 Don't define any of:
4635 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4636 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4637 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4638 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4639 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4641 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4642 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4645 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4646 Delete now-empty file.
4648 * alpha/vms.h: Define NEED_ATEXIT here...
4649 * alpha/xm-vms.h: ...not here.
4651 * i386/cygwin.h: Don't define PARAMS.
4652 * mips/mips.c: Don't prototype mktemp. Don't define
4653 P_tmpdir. Use make_temp_file to create temporary files.
4654 Don't be clever and delete temporary files early.
4655 * config.gcc: Drop references to deleted files. Don't define
4657 * gcc.texi: Don't mention USE_PROTOTYPES.
4659 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4661 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4662 (ix86_set_move_mem_attrs_1): Likewise.
4663 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4664 * config/i386/i386.md (movstrsi): Call it.
4666 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4668 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4669 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4670 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4671 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4673 (i750a-*-*): Error here if hosting on i750a.
4674 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4676 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4677 Remove (empty modulo comments).
4679 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4680 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4681 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4682 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4683 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4684 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4686 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4687 Remove reference to winnt.h in comment.
4688 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4690 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4692 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4693 used to set another biv.
4695 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4697 * tree.h (BLOCK_DEAD): New macro.
4698 (struct tree_block): New flag, dead_flag.
4699 * print-tree.c (print_node, case 'b'): Print missing fields.
4700 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4701 * function.c (identify_blocks): Enable test for misplaced notes.
4702 (all_blocks): Skip BLOCK_DEAD blocks.
4703 * integrate.c (integrate_decl_tree): Likewise.
4705 * errors.c (internal_error, trim_filename): New functions.
4706 (fancy_abort): Call internal_error.
4707 * errors.h (internal_error, trim_filename): New declarations.
4709 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4711 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4713 (EXTRA_CONSTRAINT): Formatting changes.
4715 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4717 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4719 2001-02-23 Per Bothner <per@bothner.com>
4721 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4722 so they can be called from java/jvspec.c.
4723 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4725 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4727 * i386.c (ix86_frame): New structure.
4728 (ix86_compute_frame_size): Kill.
4729 (ix86_compute_frame_layout): New.
4730 (ix86_save_reg): New.
4731 (ix86_can_use_return_insn_p): Use frame layout stuff.
4732 (ix86_expand_prologue): Likewise.
4733 (ix86_expand_epilogue): Likewise.
4734 (ix86_initial_elimination_offset): Likewise.
4735 (ix86_nsaved_regs): Use ix86_save_reg.
4736 (ix86_emit_save_regs): Likewise.
4738 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4740 * flow.c (find_sub_basic_blocks): New function.
4741 (split_block): Be ready for basic block introduced by CODE_LABEL.
4742 (commit_one_edge_insertion): Call find_sub_basic_block.
4744 * flow.c (make_edges): Add edge from entry for blocks starting with
4745 label having ALTERNATE_NAME
4747 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4749 * function.c (epilogue_done): Be ready for first basic block not
4750 containing PROLOGUE_END note.
4751 (reposition_prologue_and_epilogue_notes): Avoid placing
4752 PROLOGUE_END note between BASIC_BLOCK.
4754 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4756 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4758 2001-02-21 DJ Delorie <dj@redhat.com>
4760 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4761 check for current_function_has_nonlocal_goto from 1999-11-12.
4763 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4765 * diagnostic.c (trim_filename): No longer static.
4766 * toplev.h (trim_filename): Declare.
4767 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4768 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4769 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4770 (rtvec_check_failed_bounds): Likewise.
4771 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4773 * convert.c (convert_to_integer): Don't do unsigned unless result or
4774 both inputs are unsigned.
4776 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4779 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4781 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4783 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4785 * Makefile.in (resource.o): Add params.h dependence.
4786 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4787 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4788 * resource.c: Add dependence on params.h.
4789 (current_live_regs): Fix explanatory comment.
4790 (find_basic_block): Add new parameter to permit limiting search
4792 (mark_target_live_regs): Add new argument to find_basic_block call.
4793 (incr_ticks_for_insn): Likewise.
4795 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4797 * diagnostic.c (output_to_stream): Rename to
4798 output_buffer_to_stream. Loses the stream parameter.
4799 (init_output_buffer): Set diagnosic_buffer's stream.
4800 (flush_diagnostic_buffer): Adjust.
4801 (default_print_error_function): Likewise.
4802 (finish_diagnostic): Likewise.
4803 (verbatim): Likewise.
4805 * diagnostic.h (struct output_buffer): Add `stream' field.
4806 (output_buffer_attached_stream): New macro.
4808 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4810 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4811 check if either operand is divisible by C.
4812 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4813 If type is signed, consider negative numbers as well.
4815 2001-02-22 Richard Henderson <rth@redhat.com>
4817 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4818 reach .text instead of gp-relative relocs.
4819 * config/ia64/crtend.asm (.init): Likewise.
4821 2001-02-22 Andreas Jaeger <aj@suse.de>
4823 * extend.texi (C++ Attributes): Fix typo.
4825 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4827 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4828 functions, drop current_function_args_info.words test.
4829 (ia64_compute_frame_size): Mark syscall_linkage functions as
4830 using eight input registers.
4832 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4833 Bruce Korb <bkorb@gnu.org>
4835 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4836 * fixinc/README: Document how to convert sed substitutions
4837 to format style c_fix-es.
4838 * fixinc/fixincl.x: regen
4840 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4842 * gcc.c: Add comment explaining how to add a command-line option.
4843 Add title to specs language comment.
4845 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4847 * gcc.c (cc1_options): Add "-param".
4848 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4849 (option_map): Likewise.
4850 * toplev.c (display_help): Add entry for "--param".
4851 (independent_decode_option): Fix typographical error.
4853 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4854 Bernd Schmidt <bernds@redhat.com>
4855 Jan Hubicka <jh@suse.cz>
4857 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4858 (function_arg): Likewise.
4860 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4862 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4864 2001-02-21 Kazu Hirata <kazu@hxi.com>
4866 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4870 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4872 * flow.c (init_propagate_block_info): Canon address and use single_set
4873 for killing dead memory stores.
4875 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4877 * Makefile.in (reorg.o): Add params.h dependence.
4878 * params.def: Fix typographical error in comment.
4879 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4880 * params.h: Modify introductory comment.
4881 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4882 * reorg.c: Add dependence on params.h.
4883 (redundant_insn): Add parameterized throttle for search.
4884 (fill_simple_delay_slots): Add a comment explaining a variable.
4885 Move conditional out of loop, simplifying code.
4886 (fill_eager_delay_slots): Fix typographical error in comment.
4888 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4890 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4892 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4893 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4895 2001-02-21 Jason Merrill <jason@redhat.com>
4897 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4898 (struct tree_decl): Add uninlinable bitfield.
4899 * c-decl.c (duplicate_decls): Set it.
4900 * integrate.c (function_cannot_inline_p): Check it.
4902 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4903 DW_AT_MIPS_linkage_name to abstract methods.
4904 (dwarf2out_abstract_function): Emit class context before calling
4905 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4906 (gen_subprogram_die): Remove obsolete code.
4907 (gen_member_die): Don't include clones in the member list.
4908 (gen_decl_die): Emit abstract info for clone origin.
4909 * dwarfout.c (output_type): Don't include clones in the member list.
4910 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4911 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4912 DECL_ABSTRACT on a function that already has it set.
4914 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4915 (get_subprogram_die): Pass it in.
4917 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4919 * flow.c (mark_set_1): Make not_dead unsigned long. For
4920 non-pseudos, use it as a bitmask of the hard regs that
4923 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4925 * cppfiles.c: Update comments.
4926 (_cpp_read_file): Don't check for NULL filenames any more.
4927 * cppinit.c (cpp_start_read): Don't do canonicalization of
4928 in_fname and out_fname. Use the passed file name exclusively.
4929 (_cpp_handle_options): Don't treat "-" as a command line option,
4930 but as a normal filename.
4931 (_cpp_post_options): Canonicalize in_fname and out_fname.
4932 * cppmain.c (printer_init): Don't check out_fname for NULL.
4933 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4934 (init_c_lex): Update, and use "" to represent stdin to CPP.
4937 2001-02-20 Will Cohen <wcohen@redhat.com>
4939 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4940 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4941 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4944 2001-02-20 Stan Shebs <shebs@apple.com>
4946 * config/rs6000/rs6000.c (output_cbranch): Output branches
4947 on separate lines instead of using ';' to separate.
4949 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4951 * cppinit.c (set_lang): Move builtin handling to...
4952 (init_builtins): ...here.
4953 (_cpp_create_reader): Move call to set_lang.
4955 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4957 * stmt.c (expand_return): If an attempt is made to return the
4958 error_mar_node, treat the return like a return without a value.
4960 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4962 * sibcall.c (skip_copy_to_return_value): Call
4963 identify_call_return_value here, and return orig_insn if it
4964 returns zero. Hardret and softret arguments now unnecessary.
4965 (call_ends_block_p): Don't call identify_call_return_value here.
4967 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4969 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4970 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4972 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4974 * pa.c (move_operand): Accept code to load the address of a
4975 symbol out of the DLT as a valid move operand.
4976 (print_operand, case 'A'): New to handle generating a DLT
4977 reference for a LO_SUM expression.
4978 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4979 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4981 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4983 * README, cpp.texi, gcc.texi, version.c: Update version number to
4985 * cpp.1, gcov.1, gcc.1: Regenerate.
4987 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4989 * cppfiles.c (stack_include_file): Generate dependencies
4990 here, and manage include_count here too.
4991 (PRINT_THIS_DEP): Delete.
4992 (_cpp_execute_include): Do not generate dependencies here,
4993 apart from the case of a missing header. Do not manage
4995 (_cpp_read_file): Leave dependency generation to
4998 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5000 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5001 target_cpu_default. Remove dead assignment to
5004 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5006 * regclass.c (contains_reg_of_mode): Make global.
5007 (init_reg_sets): Remove contains_reg_of_mode; take into account
5008 CLASS_MAX_NREGS when looking for the proper mode.
5009 (dump_regclass): Dump only classes considered for the pseudo.
5010 (regclass): Use contains_reg_of_mode.
5012 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5014 * gcc.c (do_spec_1): 'n' for printing notices.
5015 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5017 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5019 * reg-stack.c (next_flags_user): Use current_block->end
5020 (swap_rtx_condition): Look for next user if flags don't die;
5021 give up on CALL_INSNs; use current_block->end.
5023 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5025 * sibcall.c (call_ends_block_p): New function.
5026 (optimize_sibling_and_tail_recursive_call): Use it.
5028 2001-02-18 Kazu Hirata <kazu@hxi.com>
5030 * config/h8300/h8300.md: Update copyright.
5031 (andsi3): Do not output an extra newline character.
5033 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5035 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5036 FNDECL may be unused.
5038 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5039 follow jumps after first run.
5040 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5041 it doesn't change any jumps.
5043 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5045 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5046 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5047 (mostlyclean): Corresponding changes.
5048 * rtlanal.c (hard-reg-set.h): Include.
5049 (rtx_unstable_p): Do not treat the argument pointer specially
5050 if it is not a fixed register.
5051 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5053 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5055 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5056 against last real insn in basic block.
5057 Rework to avoid gotos.
5059 * Makefile.in (gcse.o): Now includes ggc.h.
5060 * gcse.c: Include ggc.h.
5061 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5062 (try_replace_reg): Remove warning of uninitialize variable.
5063 (process_insert_insn): Call invalid_insn_p to validate insn.
5064 * recog.c (insn_invalid_p): Now global.
5065 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5066 * recog.h (insn_invalid_p): New declaration.
5068 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5070 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5071 assignments from FP constants since 'Y' output code can't handle it.
5072 (eligible_for_sibcall_delay): Likewise.
5074 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5075 Call fancy_abort directly, passing args.
5076 (print_rtl_and_abort): Now a macro, like fancy_abort.
5078 * final.c (output_operand_lossage): Use internal_error, not error.
5080 2001-02-18 Shane Nay <shane@agendacomputing.com>
5082 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5083 structure shift insns.
5085 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5087 * invoke.texi (-fsquangle): Remove documentation.
5088 (-fname-mangling-version): Likewise.
5090 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5092 * optabs.c (expand_abs): Remove reference to
5093 HAVE_contitional_arithmetic.
5094 * combine.c (simplify_set): Likewise.
5096 2001-02-18 Richard Henderson <rth@redhat.com>
5098 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5101 2001-02-18 Richard Henderson <rth@redhat.com>
5103 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5105 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5107 * reload1.c (reload_cse_simplify_set): Fix typo.
5109 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5111 * diagnostic.c (_fatal_insn): Decrement errorcount.
5113 * invoke.texi (-I): Add note avoiding use for system header files.
5115 * rtl.h (add_clobbers): Remove duplicate declaration.
5116 * recog.h (added_clobbers_hard_reg_p): New declaration.
5117 * genemit.c (struct clobber_pat): New field has_hard_reg.
5118 (gen_insn): Record if added clobbers clobber hard reg.
5119 (gen_split): Avoid unused warning if number of operands is 0.
5120 (output_added_clobbers_hard_reg_p): New function.
5123 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5125 * pa.c (hppa_expand_prologue): Simplify code storing return
5126 pointer. For large (>=8k) frames with a post_store, adjust stack
5127 pointer by 8k-64 first rather than by 64. When testing with
5128 VAL_14_BITS_P, always use the actual value rather than the value
5129 negated. Add blockage to prevent scheduling of spills before
5130 stack frame has been created.
5131 (hppa_expand_epilogue): Simplify code loading return pointer.
5132 Allow a slightly larger range for merge_sp_adjust_with_load case.
5133 When testing with VAL_14_BITS_P, always use the actual value.
5135 * pa.c (pa_adjust_insn_length): Check that block move
5136 pattern is a set before looking at operands.
5138 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5140 * fold-const.c (fold_binary_op_with_conditional_arg): New
5141 function, split out from ...
5143 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5144 conditional arms that throw exceptions.
5146 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5149 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5151 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5152 define HAVE_DECL_* to 1 to mask potential backup declarations.
5153 * configure: Regenerated.
5155 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5157 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5159 2001-02-17 Richard Henderson <rth@redhat.com>
5161 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5162 when replacing a memory load with a register.
5164 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5165 Jan Hubicka <jh@suse.cz>
5167 * recog.c (validate_replace_src_1): New.
5168 (validate_replace_src_data): Likewise.
5169 (validate_replace_src): Use note_uses.
5170 * rtl.h (note_uses): Declare.
5171 * rtlanal.c (note_uses): New.
5173 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5175 * reg-stack.c (stack_def): Make field reg unsigned.
5176 (remove_regno_note): Unsignetize parameter.
5178 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5180 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5181 shladd_operand() call.
5183 2001-02-16 Bruce Korb <bkorb@gnu.org>
5184 Rodney Brown <RodneyBrown@mynd.com>
5186 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5187 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5188 machine restrictions
5189 * fixinc/fixincl.x: regen
5191 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5193 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5195 (hash_scan_insn): Clean up calls to hash_scan_set.
5196 (compute_kill_rd): REGNO now unsigned.
5197 (try_replace_reg): Rework to use simplify_replace_rtx.
5198 (cprop_jump, cprop_cc0_jump): Likewise.
5199 (cprop_insn): Call find_reg_equal_equiv_note.
5200 Reflect changes to cprop_jump and cprop_cc0_jump.
5202 * recog.c (validate_replace_src): Replace in operands of
5203 ZERO_EXTRACT in SET_DEST.
5205 * cse.c (new_label_ref): New variable.
5206 (insert): Set it instead of recorded_label_ref.
5207 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5208 CODE_LABEL for this function, and not already in REG_LABEL note.
5210 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5212 * resource.c (mark_referenced_resources): Fix typo in introductory
5214 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5217 2001-02-16 Jason Merrill <jason@redhat.com>
5219 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5221 (gen_subprogram_die): Don't abort on seeing a second definition if
5222 the previous one was abstract. Don't replace an abstract instance
5223 in the lookup table.
5225 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5226 gen_abstract_function.
5227 * dwarf2out.h: Declare it.
5228 * toplev.c (note_outlining_of_inline_function): New fn.
5229 * toplev.h: Declare it.
5230 * integrate.c (output_inline_function): Call it.
5231 * c-decl.c (duplicate_decls): Call it when redefining an extern
5232 inline. Don't inline the new defn.
5234 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5236 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5238 * .gdbinit: Rename to gdbinit.in.
5239 * gdbinit.in: New file,
5240 * configure.in: Generate .gdbinit from gdbinit.in.
5241 * configure: Regenerated.
5242 * Makefile.in (distclean): Always remove .gdbinit.
5244 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5246 * objc/objc-act.c (start_class): Register implemented_classes with
5249 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5251 * cppfiles.c (_cpp_make_system_header): Generate a file
5254 2001-02-15 Jim Meyering <meyering@lucent.com>
5256 * Makefile.in (install-common): Don't depend on installdirs here.
5257 Instead, make each of the lang.install-common targets (e.g.,
5258 c++.install-common in cp/Make-lang.in) depend on it.
5259 (install-driver): Depend on installdirs.
5261 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5263 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5265 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5268 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5270 * invoke.texi (--param): Document.
5272 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5274 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5276 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5278 * i386.md (extendsfdf2_2): Fix constraints.
5280 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5282 * i386.md (fop_df_3 splitter): Fix operand number.
5284 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5286 * invoke.texi (-mreg-alloc): Nuke.
5287 * i386.c (ix86_reg_alloc_order, regs_allocated,
5288 order_regs_for_local_alloc): Nuke.
5289 (override_options): Kill reg_alloc code.
5290 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5291 (REG_ALLOC_ORDER): SSE goes before I387.
5292 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5293 (ix86_reg_alloc_order): Likewise.
5294 * i386-protos.h (ix86_reg_alloc_order): Kill.
5296 2001-02-14 Richard Henderson <rth@redhat.com>
5298 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5300 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5302 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5304 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5306 * i386-protos.h (ix86_memory_move_cost): Move offline.
5307 * i386.c (ix86_register_move_cost): Compute properly cost of
5308 SSE, MMX and i387 instructions.
5309 (*_cost): Add costs of SSE/MMX moves.
5310 (ix86_memory_move_cost): Move offline from ....; Likewise.
5311 * i386.h (MEMORY_MOVE_COST): .... here;
5312 (struct processor costs): Add new fields to represent costs
5315 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5317 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5318 move_cost together with Matt Kraai's fix.
5320 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5322 * Makefile.in (OBJS): Add params.o.
5324 2001-02-14 Richard Henderson <rth@redhat.com>
5325 DJ Delorie <dj@redhat.com>
5327 * jump.c (jump_optimize_1): When we delete a conditional jump
5328 preceeding a non-conditional jump to effectively the same place,
5329 make sure that the combined jump skips any clobber insns between
5332 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5334 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5336 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5338 * Makefile.in (toplev.o): Depend on params.h.
5339 (intergate.o): Likewise.
5340 (params.o): New target.
5341 * flags.h (inline_max_insns): Remove.
5342 * integrate.c: Include params.h.
5343 Use MAX_INLINE_INSNS instead of inline_max_insns.
5344 * params.c: New file.
5345 * params.h: Likewise.
5346 * params.def: Likewise.
5347 * toplev.c: Include params.h.
5348 (lang_independent_params): New variable.
5349 (decode_f_option): Use the param machinery instead of setting
5351 (independent_decode_option): Handle "--param name=value".
5352 (main): Register language-independent parameters.
5354 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5356 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5358 2001-02-14 Richard Henderson <rth@redhat.com>
5360 * regclass.c (init_reg_sets_1): Revert last two changes.
5362 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5364 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5365 (variable_size): Call put_pending_size.
5366 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5367 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5368 sizes list, put newly created SAVE_EXPR there as well.
5370 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5372 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5373 (errata_find_address_regs): load_group has only 2 entries.
5374 (errata_emit_nops): Likewise. shladd is not problematic.
5375 Clear last_group if nop was emitted.
5376 (fixup_errata): load_group has only 2 entries.
5379 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5381 * c-lex.c (lex_number): Only warn traditionally for U suffix
5382 outside system macros.
5383 * cppexp.c (parse_number): Similarly.
5384 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5385 * cppmacro.c (struct cpp_macro): New member node.
5386 (parse_args): Only warn about missing rest args if not
5388 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5389 (cpp_sys_objmacro_p): New.
5390 (_cpp_create_definition): Store the node with the macro defn.
5391 Remember if the macro is defined in a system header.
5393 2001-02-13 DJ Delorie <dj@redhat.com>
5395 * configure.in (check_languages): determine languages to check
5396 * Makefile.in (check-c++): alias for check-g++
5397 (check-f77): alias for check-g77
5398 (CHECK_TARGETS): depend on configured languages
5400 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5402 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5403 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5404 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5405 (sqrtextendsfdf2): Disable for SSE2.
5407 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5409 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5410 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5411 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5412 (sqrtextendsfdf2): Disable for SSE2.
5414 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5416 * i386.md (movsfcc_1): Support integer cmove instruction.
5417 (movdfcc_1): Likewise; new splitter.
5419 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5421 * i386.c (output_fp_compare): Support SSE.
5422 (prepare_fp_compare_args): SSE comparisons always support memory.
5423 * i386.h (TARGET_CMOVE): SSE imply cmove.
5424 * i386.md (cmp?f2): Enable for SSE too.
5425 (cmpfp_i*): Support SSE.
5427 (cmpfp_i_sse_only): New.
5428 (s*, b* fp expanters): Enable for SSE too.
5429 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5432 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5434 * regclass.c (init_reg_sets_1): Silence warning.
5436 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5438 * i386.md (sqrt?f2): Change to expander.
5439 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5441 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5443 * rtlanal.c (find_reg_equal_equiv_note): New function.
5444 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5445 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5446 * rtl.h: Add declarations for above functions.
5448 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5450 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5452 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5453 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5454 * flow.c (mark_regs_live_at_end): Likewise.
5455 (calculate_global_regs_live): Likewise.
5456 * gcse.c (compute_hash_table): Likewise.
5457 (compute_kill_rd): Likewise.
5458 * resource.c (mark_target_live_regs): Likewise.
5459 * rtl.h (INVALID_REGNUM): New macro.
5461 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5463 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5465 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5467 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5470 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5472 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5474 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5475 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5476 (fop_sf_1_sse, fop_df_1_sse): New patterns
5477 (fop_*): Disable float_extend and float patterns for SSE compilation.
5478 * i386.c (output_387_binary_op): Support SSE.
5480 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5482 * i386.md (dummy_extendsfdf2): Support SSE2
5483 (extendsfdf2): Enable if 80387 or SSE2.
5484 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5485 and no MIX_I387_SSE2
5486 (extendsfdf2_1_sse_only): New pattern.
5487 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5489 (truncdfsf2_1): Support SSE.
5490 (truncdfsf2_2): Support SSE.
5491 (truncdfsf2_2_1_sse): New pattern.
5492 (fixtruncsfsi2): Always use SSE if available.
5493 (fix_truncsfsi_sse): New pattern.
5494 (fix_truncdfsi_sse): New pattern.
5495 (floatsis?f2): Support SSE.
5496 (floatsidf2_i387): New pattern.
5497 (floatsidf2_sse): Likewise.
5499 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5501 * configure.in: Use "have_gnat" variable, not "gnat".
5502 * configure: Regenerated.
5504 * config/sparc/sparc.c (function_value): Treat all non-record
5505 aggregate types like used to treat UNION_TYPE.
5507 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5509 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5510 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5512 (MASK_MIX_SSE_I387): New.
5513 (TARGET_SSE): SSE2 imply SSE.
5514 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5515 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5516 (enum reg_class): Add new classes.
5517 (REG_CLASS_NAMES): Likewise.
5518 (REG_CLASS_CONTENTS): Likewise.
5519 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5520 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5521 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5522 (CLASS_MAX_NREGS): Use new macros.
5523 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5524 * i386.md (pushsf, movsf): Support SSE.
5525 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5526 splitters to use ANY_FP_REGNO_P.
5527 (movdf_nointeger, movdf_integer): Likewise.
5529 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5531 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5532 (try_combine): Use it.
5534 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5536 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5537 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5538 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5539 (REGISTER_MOVE_COST): Likewise.
5540 * i386-protos.h (ix86_secondary_memory_needed,
5541 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5542 * i386.c (ix86_secondary_memory_needed,
5543 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5545 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5547 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5548 (HARD_REGNO_MODE_OK): Move offline to ....
5549 * i386.c (ix86_hard_regno_mode_ok) ... here;
5550 refuse all incorrect modes.
5551 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5553 2001-02-13 Richard Henderson <rth@redhat.com>
5555 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5556 entire operator; replicate that and match_dup the operands.
5557 (cmp_ccx_arith_op_set): Likewise.
5558 (cmp_cc_arith_op_not_set): Likewise.
5559 (cmp_ccx_arith_op_not_set): Likewise.
5561 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5563 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5565 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5567 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5568 (TARGET_NO_BITFIELD_WORD): New macro.
5569 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5570 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5572 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5574 * cselib.c: New file, from simplify-rtx.c.
5575 * simplify-rtx.c: Remove cselib parts.
5576 * Makefile.in: Add cselib.o.
5578 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5580 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5581 (setup_incoming_varargs): Remove warning.
5583 * config/rs6000/rs6000.c (validate_condition_mode): When
5584 flag_fast_math, allow floating-point conditionals to be reversed.
5585 (rs6000_generate_compare): When flag_fast_math, don't generate
5586 cror operations for FP conditionals.
5588 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5590 (ASM_SPEC): Likewise.
5591 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5592 (CC1_SPEC): Likewise.
5593 (LINK_TARGET_SPEC): Likewise.
5594 (CPP_ENDIAN_SPEC): Likewise.
5595 * Makefile.in (check-consistency): New target.
5597 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5599 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5600 "return type defaults" warning for functions with return type
5602 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5603 function declarations by default rather than only when pedantic.
5605 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5607 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5610 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5612 * extend.texi (Deprecated): Deprecate new initializer lists.
5614 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5616 * mkdeps.c (deps_add_default_target): Robustify. Add
5617 basename component only.
5618 * cpp.texi (-M): Describe how default target is generated.
5619 * invoke.texi (-M): Likewise.
5621 2001-02-12 Kazu Hirata <kazu@hxi.com>
5623 * toplev.c (push_float_handler): Remove.
5624 (pop_float_handler): Remove.
5625 * toplev.h: Remove prototypes for the above functions.
5627 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5629 * c-common.c (constant_fits_type_p): New function.
5630 (convert_and_check): Use it.
5632 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5634 * Makefile.in (GXX_ABI_FLAG): Don't define.
5635 * configure.in (--enable-new-gxx-abi): Remove option.
5636 * config.in: Regenerated.
5637 * configure: Likewise.
5639 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5641 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5643 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5644 regular basic block, and arrange for all edges into it to switch
5647 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5649 * Makefile.in (distclean): Do not remove .gdbinit.
5651 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5653 * Makefile.in (gcc.o): Fix typos.
5654 (protize.o): Likewise.
5655 (unprotoize.o): Likewise.
5657 2001-02-11 Richard Henderson <rth@redhat.com>
5659 * tree.c (build1): Check for null operand in last change.
5661 2001-02-11 Richard Henderson <rth@redhat.com>
5663 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5664 (fold): Don't assume a constant isn't foldable.
5665 * tree.c (build): Set TREE_CONSTANT for an expression with no
5666 side-effects and constant operands.
5669 2001-02-10 Richard Henderson <rth@redhat.com>
5671 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5673 2001-02-10 Anthony Green <green@redhat.com>
5675 * cpp.texi (Standard Predefined): Add documentation for
5678 * c-common.c (combine_strings): Improve warning message.
5680 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5682 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5684 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5686 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5688 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5691 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5693 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5696 2001-02-09 Nick Clifton <nickc@redhat.com>
5698 * config/arm/arm.md: Change output contraint on post inc
5699 load/store multiple patterns to be a read/write contraint.
5701 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5703 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5704 .o files when using the -M options.
5706 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5707 David Edelsohn <edelsohn@gnu.org>
5709 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5710 handle DImode constants. Use one TOC entry for SImode and smaller
5711 constants, aligned properly.
5713 2001-02-08 Jason Merrill <jason@redhat.com>
5715 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5716 about the SP adjustment for saving the static chain pointer.
5717 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5718 offset when setting a temporary CFA register.
5720 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5722 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5723 powerpc-*-chorusos* .
5724 * config/rs6000/chorus.h : New file.
5725 * config/i386/chorus.h : New file.
5726 * config/sparc/chorus.h : New file.
5727 * config/sparc/t-chorus-elf : New file.
5729 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5731 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5732 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5733 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5734 (__WCHAR_TYPE__): Correct macro name.
5736 2001-02-08 Richard Henderson <rth@redhat.com>
5738 * config/i386/i386.c (ix86_frame_pointer_required): New.
5739 (ix86_setup_frame_addresses): New.
5740 (struct machine_funciton): Add accesses_prev_frame.
5741 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5742 ix86_frame_pointer_required.
5743 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5744 (SETUP_FRAME_ADDRESSES): New.
5745 * config/i386/i386-protos.h: Update.
5746 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5747 from FRAME_POINTER_REQUIRED.
5748 * config/i386/svr3gas.h: Likewise.
5749 * config/i386/sysv3.h: Likewise.
5750 * config/i386/v3gas.h: Likewise.
5752 2001-02-08 Richard Henderson <rth@redhat.com>
5754 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5755 calculation of the number of integer registers required.
5756 (function_arg_record_value): Likewise.
5758 2001-02-08 Jason Merrill <jason@redhat.com>
5760 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5761 two. Print file and line with "confused" message.
5763 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5765 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5767 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5769 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5771 * final.c (cleanup_subreg_operands): The address of a MEM can
5774 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5777 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5779 * gcc.texi (Incompatibilities): Update documentation of
5780 preprocessing numbers.
5782 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5784 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5786 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5788 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5790 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5791 * gcc.c (struct compiler): Add cpp_spec field.
5792 (input_file_compiler): New variable.
5793 (do_spec_1): Allow a particular compiler to handle `%C'
5795 (main): Store the current compiler in input_file_compiler.
5796 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5798 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5800 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5801 * cppinit.c (cpp_create_reader): Initialize them.
5802 (append_include_chain): cxx_aware arg might be unused.
5803 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5804 keywords and give them their phase 7 meaning. Pedwarn about
5805 this unless '__bool_true_false_are_defined' is defined.
5807 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5809 * lcm.c (optimize_mode_switching): Emit mode_set before the
5810 JUMP_INSN of an abnormal edge.
5812 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5814 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5815 a scheduling barrier at the end.
5817 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5819 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5821 * config/sh/sh.md (reload_outsf): Removed.
5822 (movsf_ie): Introduce constraints for FPUL loads and stores.
5823 (reload_insf): Broaden the output constraint.
5825 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5827 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5828 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5830 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5832 * final.c: Revert my previous changes.
5833 * output.h: Make profile_label_no extern.
5834 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5835 for generating label.
5837 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5839 * config/i386/djgpp.h: Add comments about standard paths.
5840 (MD_EXEC_PREFIX): Undefine before defining.
5841 (MD_STARTFILE_PREFIX): New.
5843 2001-01-30 Bruce Korb <bkorb@gnu.org>
5845 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5846 (load_file): do not rely on load_file_data() to close file pointer
5847 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5848 fixinc/inclhack.def(irix_limits_const): add test_text
5850 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5852 * cppexp.c (parse_defined): Improve diagnostics for invalid
5855 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5857 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5859 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5861 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5862 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5863 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5864 (rs6000_output_symbol_ref): New function.
5865 (output_toc): Use VTABLE_NAME_P.
5867 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5869 * print-tree.c (print_node, case PARM_DECL):
5870 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5872 * stor-layout.c (reference_types_internal): New variable.
5873 (internal_reference_types): New function.
5874 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5875 * tree.h (internal_reference_types): New declaration.
5877 * cse.c (find_best_addr): Fix typo in computing cost.
5879 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5881 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5882 and this is the sum of a pointer and a constant, we know the result
5884 (num_sign_bit_copies, case PLUS): Likewise.
5885 * explow.c (convert_memory_address): Remove opposite SUBREG.
5886 * function.c (instantiate_new_reg): New function (from common code).
5887 (instantiate_virtual_regs_1): Call it.
5888 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5889 if pointers sign- or zero-extend.
5890 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5891 If pointers extend unsigned, use inside of SUBREG.
5892 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5894 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5896 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5897 subdir of gcc_gxx_include_dir.
5898 (gcc_gxx_target_include_dir): Remove.
5900 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5902 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5903 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5904 a high-level description.
5906 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5908 * final.c: Move the declaration of profile_label_no to ...
5909 * output.h: ... here.
5910 * function.c (expand_function_start): Call PROFILE_HOOK.
5911 * config/rs6000/aix.h: Define PROFILE_HOOK.
5912 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5913 * config/rs6000/rs6000.c (output_profile_hook): Define.
5914 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5915 output_profile_hook.
5916 tm.texi : Explain new macro PROFILE_HOOK.
5918 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5920 * extend.texi (Extended Asm): Do not say that semicolon is always
5921 a valid line-breaking character for GNU assemblers. Use
5922 newline-tab as the most commonly supported syntax. Use
5923 newline-tab rather than semicolon in multi-insn examples.
5925 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5927 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5929 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5930 David Edelsohn <edelsohn@gnu.org>
5932 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5933 code for AIX, even without flag_pic.
5935 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5937 * c-typeck.c (common_type): push and pop binding level around
5938 calling common_type on function parameters.
5940 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5942 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5944 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5946 * config/mips/mips.c (override_options): Fix typo in last change.
5947 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5948 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5950 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5952 * invoke.texi (-fdump-class-layout): Document.
5953 (-fdump-translation-unit): Use `=' as filename separator.
5955 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5957 * Makefile.in (s-mlib): Don't build multilibs if
5959 (DRIVER_DEFINES): Adjust accordingly.
5961 (protoize.o): Likewise.
5962 (unprotoize.o): Likewise.
5963 * configure.in: Recognize --enable-multilib.
5965 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5967 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5969 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5970 * configure.in: Remove --enable-libstdcxx_v3 support.
5971 * configure: Regenerated.
5973 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5975 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5976 Call abort instead of fatal.
5977 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5978 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5979 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5980 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5981 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5982 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5984 * diagnostic.h (set_internal_error_function): Renamed.
5985 * toplev.h (internal_error): Renamed from fatal.
5986 (pfatal_with_name): Deleted.
5987 (fatal_io_error): Now has printf-style arguments.
5988 * diagnostic.c (pfatal_with_name): Deleted.
5989 (fatal_io_error): Rework to have args in printf-style.
5990 (set_internal_error_function): Renamed from set_fatal_function.
5991 (internal_error): Renamed from fatal.
5992 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5993 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5994 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5995 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5996 * flow.c (verify_flow_info): Likewise.
5997 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5998 * config/mips/mips.c (save_restore_insns): Likewise.
6000 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6001 * flow.c (verify_flow_info): Likewise.
6002 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6003 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6004 (avr_normalize_condition): Likewise.
6005 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6006 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6007 (limit_reload_class, double_reg_to_memory): Likewise.
6008 (print_operand_address, emit_1600_code_shift): Likewise.
6009 (gen_tst_reg, gen_compare_reg): Likewise.
6010 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6011 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6013 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6015 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6016 * objc/objc-act.c (build_ivar_chain): Likewise.
6017 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6019 * graph.c (clean_graph_dump_file): Likewise.
6020 * profile.c (init_branch_prob): Likewise.
6021 * objc/objc-act.c (objc_init): Likewise.
6023 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6024 * config/avr/avr.c (avr_override_options): Likewise.
6025 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6026 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6027 * config/h8300/h8300.c (h8300_init_once): Likewise.
6028 * config/mips/mips.c (override_options): Likewise.
6029 * config/i386/i386.c (override_options): Likewise, rework.
6030 * config/m68k/m68k.c (override_options): Likewise.
6032 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6034 * config/mips/mips.c (print_operand): Likewise.
6035 * hash.c (hash_allocate): Don't check for failure returns from
6036 obstack functions that can't fail.
6037 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6038 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6039 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6040 (get_object_reference): Likewise.
6042 2001-02-04 Nick Clifton <nickc@redhat.com>
6044 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6045 StrongARM1110, 10TDMI, and 1020T.
6047 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6049 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6051 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6053 * config/sh/sh.md (movdf load split): Pass register number to
6054 FP_OR_XD_REGISTER_P.
6056 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6058 * cppinit.c (BC): New macro.
6059 (builtin_array): Add __GXX_WEAK__.
6060 * cpplib.h (builtin_type): Add BT_WEAK.
6061 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6062 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6063 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6065 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6067 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6069 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6071 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6072 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6074 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6076 * cpphash.h: Rename ALIGN _ALIGN.
6077 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6079 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6081 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6082 compilation environment.
6083 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6084 control over location of cygwin includes and libs.
6086 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6088 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6090 2001-02-02 lars brinkhoff <lars@nocrew.org>
6092 * md.texi (Standard Names): remove reference to spur.md.
6094 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6096 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6097 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6098 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6099 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6100 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6102 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6104 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6105 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6106 number before reload.
6107 (c4x_adjust_cost): Return zero before reload.
6108 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6109 split before reload.
6111 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6113 * c4x.c (c4x_hard_regno_rename_ok): New.
6114 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6115 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6117 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6119 * diagnostic.h: Add missing "extern" in all declarations.
6121 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6123 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6124 as for gcc_gxx_include_dir.
6126 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6128 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6130 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6132 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6133 label before alignment to be used as the braf base address.
6134 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6136 (casesi_jump_2): Require at least TARGET_SH2.
6138 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6139 truncation to 32-bit doubles on -m3e and -m4-single-only.
6141 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6143 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6144 the default when building a shared object.
6145 (init_spec): Use it.
6146 * testsuite/lib/g++.exp: Include the directory where libgcc
6147 is located to the LD_LIBRARY_PATH list.
6148 * invoke.texi (-shared-libgcc): Document the cases in which
6149 GCC defaults to using the shared libgcc.
6151 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6153 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6154 unsigned is wide enough.
6156 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6157 (si_to_float): Likewise.
6158 (float_to_si, float_to_usi): Use BITS_PER_SI.
6160 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6162 * dwarf2out.c: Added explanation of abbreviations.
6163 (def_cfa_1): Added comments listing DWARF2 instructions.
6164 (cfa_temp_reg): Removed in favor of cfa_temp.
6165 (cfa_temp_value): Removed in favor of cfa_temp.
6166 (cfa_temp): New global variable.
6167 (dwarf2out_frame_debug_expr): Added extensive introductory
6168 comments explaining the function's transformations. Revised to
6169 use cfa_temp. Added some rtx checking. Generalize IOR case.
6170 (dwarf2out_frame_debug): Revised to use cfa_temp.
6171 (output_aranges): Cast as "unsigned" to avoid warning.
6172 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6173 explain which instructions must be marked.
6175 2001-02-01 Richard Henderson <rth@redhat.com>
6177 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6180 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6182 * config/sh/crt1.asm (main_k): Modified so that start calls
6183 ___setup_argv_and_call_main.
6185 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6187 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6188 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6189 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6190 * cppmacro.c (builtin_macro): Set builtin flags here.
6191 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6192 (replace_args): Clarify intent.
6193 (cpp_get_token): Macro expansion tokens get the saved flags.
6195 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6198 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6200 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6203 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6205 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6206 returns Pmode pseudo, but we need ptr_mode.
6207 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6208 Remove bogus conversions; use HOST_WIDE_INT for size.
6209 Don't use TARGET if wrong mode.
6211 * config/i386/i386.c (ix86_compute_frame_size): Allow
6212 stack_alignment_needed to be non-default even if size is zero.
6214 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6216 * pa.c (hppa_init_pic_save): New function.
6217 * pa.h (hppa_init_pic_save): Declare.
6218 * pa.md (call, call_value, sibcall, sibcall_value): Use
6219 the above instead of duplicated code.
6221 * pa.c (hppa_encode_label): Correct size of alloca buffer
6222 so we don't overrun it. Correct leading `*' case.
6223 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6224 need to handle `*@'.
6225 (FUNCTION_NAME_P): Likewise.
6227 2001-01-31 Richard Henderson <rth@redhat.com>
6229 * config.gcc (alpha-osf5): Use float-i128.h.
6231 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6232 * config/float-i32.h: Likewise.
6233 * config/float-i64.h: Likewise.
6234 * config/float-sh.h: Likewise.
6235 * config/float-sparc.h: Likewise.
6237 2001-01-31 DJ Delorie <dj@redhat.com>
6239 * expmed.c (extract_bit_field): allow non-integral modes if we
6240 want to extract a whole register from itself.
6242 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6244 * c-typeck.c (set_init_index): If first is equal to last, assume as
6245 if it was not a range at all.
6247 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6249 * config/fp-bit.c: Include tm.h.
6250 (float_to_si): Don't assume SImode is 32-bits wide.
6251 (float_to_usi): Likewise.
6253 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6255 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6257 (typename): Call pending_xref_error after parsing typed_typespecs.
6258 * c-decl.c (lookup_tag): Give error immediately rather than
6259 leaving it pending if the tag of the wrong type is in the same
6261 (xref_tag): Don't pedwarn for forward declarations of enum types
6263 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6266 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6268 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6270 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6272 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6273 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6275 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6277 * cpphash.h (struct cpp_reader): New saved_flags.
6278 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6279 to avoid a paste after a pasted token.
6281 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6283 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6284 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6285 Wtype_MIN instead of LONG_MIN.
6287 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6289 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6291 * fixinc/fixincl.x: Regenerated.
6292 * fixinc/inclhack.def (irix_limits_const): New definition to
6293 convert "const" to "__const" in limits.h.
6295 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6297 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6299 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6301 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6302 when register dies in the insn.
6304 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6306 * diagnostic.c (fatal): Fix word wrap.
6308 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6310 * combine.c (try_combine): Fix SUBREG setting for
6311 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6313 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6315 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6318 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6320 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6322 * toplev.c (decode_W_option): Update warn_larger_than
6323 unconditionally for each processed switch.
6325 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6327 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6329 (hppa_expand_prologue): Delete code to save pic offset table register
6330 in the function prologue.
6331 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6332 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6333 table register at the beginning of the function after the prologue.
6335 2001-01-29 lars brinkhoff <lars@nocrew.org>
6337 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6339 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6340 Jeff Law <law@redhat.com>
6342 * pa.md (return): Revise comment for trivial return.
6343 (return_internal): Non-trivial return pattern for non-PIC code.
6344 (return_internal_pic): Non-trivial return pattern for PIC code.
6345 It uses the PIC register to ensure it is restored after
6347 (epilogue): Generate appropriate return for PIC and non-PIC code.
6349 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6351 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6353 2001-01-29 DJ Delorie <dj@redhat.com>
6355 * combine.c (if_then_else_cond): Pass the correct mode to
6356 operand_subword() for constants.
6358 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6360 * config/i386/cygwin.h: Add w32api to include search. Search different
6361 directories in a cross-build environment.
6363 2001-11-29 Tim Josling <tej@melbpc.org.au>
6365 * tree.h (TYPE_STUB_DECL): Add documentation.
6367 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6369 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6370 (sdbout_field_types): Likwise. Fix use of host_integerp.
6372 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6374 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6377 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6379 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6380 to use flag_gnu_linker.
6382 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6384 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6385 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6387 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6389 * tree.c, tree.h (build_parse_node): Remove; was identical to
6391 * c-lang.c (start_cdtor), objc/objc-act.c
6392 (build_module_descriptor): Use build_nt instead of
6395 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6397 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6398 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6399 not have any upper bits set.
6401 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6403 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6405 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6407 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6409 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6411 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6412 (integer_minus_one_node): Define.
6414 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6416 * Makefile.in (bootstrap2-lean): Fix typo.
6418 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6420 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6421 : Don't set fe_value.
6422 * cpplib.h (AVOID_LPASTE): New flag.
6423 (struct cpp_hashnode): Remove fe_value.
6424 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6425 * cppmacro.c (builtin_macro): Don't set flags here.
6426 (replace_args): Set AVOID_LPASTE flag on first token of an
6427 argument, and the token following it.
6428 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6429 macro expansion, and on the token following it. Do it for
6431 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6433 2001-01-27 Richard Henderson <rth@redhat.com>
6435 * config/alpha/t-ieee: Remove multilibbing.
6436 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6438 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6440 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6442 * Makefile.in: Remove all dependencies on defaults.h.
6443 * builtins.c: Don't include defaults.h.
6444 * c-common.c: Likewise.
6445 * c-decl.c: Likewise.
6446 * c-pragma.c: Likewise.
6447 * c-typeck.c: Likewise.
6448 * combine.c: Likewise.
6450 * frame-ia64.c: Likewise.
6451 * cppexp.c: Likewise.
6452 * crtstuff.c: Likewise.
6453 * dbxout.c: Likewise.
6454 * dwarf2out.c: Likewise.
6455 * dwarfout.c: Likewise.
6456 * emit-rtl.c: Likewise.
6457 * except.c: Likewise.
6459 * final.c: Likewise.
6460 * frame-dwarf2.c: Likewise.
6461 * libgcc2.c: Likewise.
6462 * optabs.c: Likewise.
6463 * profile.c: Likewise.
6464 * sdbout.c: Likewise.
6465 * toplev.c: Likewise.
6466 * tradcif.y: Likewise.
6468 * varasm.c: Likewise.
6470 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * builtins.c (expand_builtin_fputs): Use size_one_node when
6473 transforming into fwrite.
6475 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6477 * extend.texi (Attribute Syntax): New section.
6479 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6481 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6482 they didn't need fixing.
6484 2001-01-27 Janis Johnson <janis@us.ibm.com>
6486 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6488 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6489 to remove macro definitions that are duplicated from elfos.h.
6491 2001-01-27 Richard Henderson <rth@redhat.com>
6493 * config/i386/sco5gas.h: Move ...
6494 * config/usegas.h: ... here.
6495 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6497 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6499 * c-typeck.c (struct constructor_stack): Add range_stack member.
6500 (really_start_incremental_init): Clear it.
6501 (push_init_level): Save constructor_range_stack and clear it if
6502 pushing explicit braces.
6503 (pop_init_level): abort if constructor_range_stack is non-zero at
6504 explicit closing brace. Restore saved constructor_range_stack if
6507 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6509 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6510 into register was forced into memory.
6512 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6514 * Makefile.in: Remove uses of + before $(MAKE).
6516 2001-01-26 Richard Henderson <rth@redhat.com>
6518 * stmt.c (cost_table): Remove.
6519 (COST_TABLE, cost_table_initialized): New.
6520 (estimate_case_costs): Use the later instead of the former.
6521 (balance_case_nodes): Likewise.
6523 2001-01-26 Richard Henderson <rth@redhat.com>
6525 * alias.c (objects_must_conflict_p): Read-only slots may not
6526 conflict despite having the same type.
6528 2001-01-27 Michael Hayes <mhayes@redhat.com>
6530 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6532 (check_ext_dependant_givs): Initialise u_start_val and
6534 (load_mems): Make last_max_reg unsigned.
6535 (try_swap_copy_prop): Use INSN_P and initialise set.
6537 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6539 * README.AVR : Removed.
6541 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6543 * pa-64.h (text_section): Remove declaration.
6545 * pa.md (return_internal): Remove mode on PIC register use.
6547 2001-01-25 lars brinkhoff <lars@nocrew.org>
6549 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6550 ASM_CLOSE_PAREN): fix typos.
6552 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6554 * acconfig.h: Define `const' to the empty string if neither
6555 __STDC__ nor __cplusplus is defined.
6556 * config.in: Regenerated.
6558 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6560 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6561 * collect2.c (main): Delete importf. Add ".obj" file extension.
6562 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6563 (aix_std_libs): Add additional AIX libraries to skip.
6564 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6565 * config/rs6000/aix51.h: New file.
6567 2001-01-25 Michael Hayes <mhayes@redhat.com>
6569 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6570 (loop_insn_emit_before): No longer static.
6571 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6572 (loop_givs_rescan, load_mems): Likewise.
6573 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6574 (maybe_eliminate_biv_1):
6575 (move_movables): Replace emit_call_insn_before with
6576 loop_call_insn_hoist.
6577 * loop.h (loop_insn_emit_before): Add.
6578 * unroll.c (copy_loop_body): Replace emit_insn_before with
6579 loop_insn_emit_before.
6581 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6583 * diagnostic.c (fatal): Request preprocessed source.
6585 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6587 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6588 olddecl has argument types and newdecl has none, use the argument
6591 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6593 * dwarf2out.c (prefix_of): New function. Determine longest common
6594 prefix of the two arguments. The units are whole path components.
6595 (output_file_names): When adding a new directory find the one entry
6596 with the longest common prefix already in the list. Artificially
6597 generate entry if there is none for this prefix.
6598 Fix test to check whether the zeroth directory entry is used.
6600 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6602 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6603 Changed all callers. Take it into account when deciding if a
6604 previously loaded value matches.
6606 2001-01-24 Richard Henderson <rth@redhat.com>
6608 * reload.c (find_reloads_subreg_address): Fail the substitution
6609 if the resulting address is insufficiently aligned.
6611 2001-01-24 DJ Delorie <dj@redhat.com>
6613 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6614 check the original operand's mode also.
6615 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6617 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6619 * c-parse.in (cast_expr): Move compound literals from here ...
6620 (primary): ... to here. Use standard terminology "compound
6621 literal" instead of "constructor expression".
6623 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6625 * gcc.1, cpp.1: Regenerate.
6627 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6629 * calls.c (emit_library_call_value_1): Memory slot for
6630 pass-by-reference argument should have the mode of the argument,
6631 not of the pointer to it.
6633 2001-01-24 Tom Tromey <tromey@redhat.com>
6635 * gcc.texi (G++ and GCC): Mention gcj manual.
6636 (Standards): Link to section of manual mentioning gcj/Java
6639 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6641 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6642 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6643 * tradcpp.c (main): Add -imacros or -include'd dependencies
6645 * cpp.texi (-M, -MM): Document -M -include behaviour.
6647 2001-01-24 Roger Collins <roger@ProProject.com>
6649 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6651 2001-01-24 Will Cohen <wcohen@redhat.com>
6653 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6654 whether registers are 32 bits or 64 bits in size.
6656 2001-01-24 Ben Elliston <bje@redhat.com>
6658 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6660 2001-01-24 Richard Henderson <rth@redhat.com>
6662 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6663 (builtin_longjmp): Use it instead of emit_indirect_jump.
6665 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6667 * bb-reorder.c (make_reorder_chain_1): Handle case where
6668 jump edge goes to the same block as the fallthru edge.
6670 2001-01-23 Jim Wilson <wilson@redhat.com>
6672 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6673 * frame.h (__ia64_personality_v1): Add prototype.
6674 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6675 prototype form. Add void * cast to first argument to personality
6677 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6678 (asctoe113): Likewise.
6679 * config/ia64/frame-ia64.c: Include eh-common.h.
6680 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6682 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6684 (itanium_split_issue): Add prototype.
6685 (gen_nop_type): Ifdef out.
6686 (find_best_packet): Initialize best_packet.
6687 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6689 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6690 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6691 (flushrs): Add explicit stop bit at end.
6692 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6695 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6697 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6699 * libgcc2.c (__terminate_func): Make variable static.
6700 (__terminate_set_func): New function to set __terminate_func.
6701 * libgcc2.h (__terminate_func_ptr): New typedef.
6702 (__terminate_set_func): New function.
6704 2001-01-23 Richard Henderson <rth@redhat.com>
6706 * flow.c (init_propagate_block_info): Don't consider unchanging
6707 memories for dead frame store elimination.
6709 2001-01-23 Richard Henderson <rth@redhat.com>
6711 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6712 * defaults.h: ... here.
6714 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6716 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6718 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6720 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6722 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6724 * rs6000.h (rs6000_return_addr): Move prototype from here...
6725 * rs6000-protos.h (rs6000_return_addr): ...to here.
6726 (rs6000_init_expanders): Delete prototype.
6728 2001-01-23 Nick Clifton <nickc@redhat.com>
6730 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6731 (Spec Files): Document %B and %j and %. and %v3 and %M and
6732 %{S*&T} spec switches.
6734 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6736 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6738 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6739 Neil Booth <neil@daikokuya.demon.co.uk>
6741 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6742 Have -Werror make pedantic warnings errors, like the
6745 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6747 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6749 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6751 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6752 * integrate.c (expand_inline_function): Initialize them.
6753 (subst_constants): If changing COMPARE so that both its arguments
6754 will be VOIDmode and the comparison mode will be lost, note
6755 compare_mode. Use the recorded compare_mode to optimize
6758 2001-01-23 Jason Merrill <jason@redhat.com>
6760 * dwarf2out.c (new_die): Use xcalloc.
6761 (output_die): Abort rather than emit a local reference to offset 0.
6763 2001-01-17 Andrew Haley <aph@redhat.com>
6765 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6766 of a saved register; return NULL instead.
6767 (copy_reg): Take a pointer to a source register rather than a
6769 (next_stack_level): Remember the address in the stack frame of all
6771 Use the saved register pointer array as the source of the CFA.
6772 (throw_helper): Rewrite. Unwind once rather than twice and keep
6773 track of saved registers as we go.
6775 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6777 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6778 * c4x.c (c4x_legitimize_reload_address): Remove.
6779 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6780 reload address for ldp(k) insn.
6782 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6784 * pa.md (return_internal): Add a USE of the PIC register to ensure
6785 it is restored after each call.
6786 (return expander): Corresponding changes.
6788 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6790 * rs6000.h (INIT_EXPANDERS): Delete.
6791 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6792 * rs6000.c (rs6000_override_options): Call *_machine_status from
6794 (rs6000_init_expanders): ...instead of here. Delete.
6795 (rs6000_mark_machine_status): New function.
6796 (rs6000_init_machine_status): Use xcalloc.
6797 (rs6000_return_addr): Generate RTX for the return address.
6798 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6799 (rs6000_stack_info): Use it.
6801 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6803 * gthr-win32.h: Include errno.h to get a declaration for
6804 EINVAL and _mingw.h if the target is mingw32.
6806 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6808 * cpp.texi: Correct typos.
6810 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6812 * explow.c (probe_stack_range): Ensure value passed to
6813 stack_check_libfunc is ptr_mode, not Pmode.
6815 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6817 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6818 case, don't use operand_subword to calculate a SUBREG that is
6821 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6823 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6825 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6826 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6827 valid. If not replace it by equivalent insns.
6829 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6831 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6832 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6833 (c4x_U_constraint, symbolic_address_operand): Likewise.
6834 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6836 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6837 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6838 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6839 anulling slot because of silicon bug.
6840 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6842 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6844 * cppexp.c (parse_charconst): Change `mask' type to agree
6847 2001-01-21 Richard Henderson <rth@redhat.com>
6849 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6850 pic_label_name in a linkonce section.
6852 2001-01-17 Philipp Thomas <pthomas@suse.de>
6854 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6856 * configure: Regenerate.
6858 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6860 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6861 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6863 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6865 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6866 If REVERSE nonzero then condition code in X must be reversed.
6867 (encode_section_info): Optimise if/else.
6868 (avr_function_value): Fix formatting.
6870 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6871 (difficult_branch): Likewise.
6872 (rvbranch): Likewise.
6873 (difficult_rvbranch): Likewise.
6875 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6877 * config/avr/libgcc.S: Fix comment.
6879 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6881 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6883 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6885 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6887 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6889 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6890 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6891 * configure, config.in: Regenerate.
6892 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6893 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6894 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6895 (doprint.o): New rule.
6897 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6899 * c-typeck.c (digest_init): Handle boolean types as scalars.
6901 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6903 * stmt.c (expand_return): Don't return anything if size is zero.
6904 Delete redundant assignment to BYTES.
6905 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6907 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6909 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6910 the same as the default library function names.
6911 * config/avr/avr.md: Document special characters after '%'.
6912 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6913 knowing which of the call-used registers are really clobbered.
6914 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6915 New. Both quotient and remainder from one libgcc.S call.
6916 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6917 clobber as few registers as possible.
6918 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6920 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6922 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6923 context of the top of the stack.
6925 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6927 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6928 (fixup_var_refs_insns): ...here.
6930 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6932 * function.c (fixup_var_refs_insns): Break up into
6933 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6934 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6935 [loop over hash table entries].
6936 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6937 fixup_var_refs_insns_with_hash, to match above changes.
6939 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6941 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6942 (libgcc.a): Likewise.
6943 (stmp-multilib): Likewise.
6944 (STAGE2_FLAGS_TO_PASS): Likewise.
6946 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6948 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6949 temporary if no_new_pseudos.
6951 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6953 * cppinternals.texi: Update.
6955 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6957 * arm.c (arm_init_builtins): Re-enable builtins.
6959 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6961 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6962 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6963 element to be null, and always expect an EXPR_LIST.
6964 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6965 * sched-deps.c (sched_analyze_1): Likewise.
6966 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6968 * regclass.c (max_set_parallel): New variable.
6969 (reg_scan): Take it into account in computation of max_parallel.
6970 (reg_scan_mark_refs, case SET): Compute it.
6972 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6974 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6975 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6977 2001-01-19 Jason Merrill <jason@redhat.com>
6979 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6980 for the abstract instance of an inline function.
6982 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6983 J"orn Rennecke <amylaar@redhat.com>
6985 * reload1.c (move2add_note_store): Treat all registers directly or
6986 indirectly derived from a base register as members of the same set
6988 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6989 of base register into account.
6991 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6993 * alias.c (find_base_value): Recognize TRUNCATE.
6994 (record_set): In PLUS case, invalidate if other summand is also a
6997 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6999 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7000 entry to be EXPR_LIST.
7001 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7002 be an EXPR_LIST (but not null, which other code doesn't allow).
7003 (note_stores): Properly handle PARALLEL in SET.
7004 Recursively call for top-level PARALLEL.
7005 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7006 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7008 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7010 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7012 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7013 not pfile->skipping (== 0).
7015 2001-01-17 Nick Clifton <nickc@redhat.com>
7017 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7020 2001-01-17 Jim Wilson <wilson@redhat.com>
7022 * invoke.texi (IA-64 options): Improve.
7024 2001-01-17 Tom Tromey <tromey@redhat.com>
7026 * invoke.texi (Optimize Options): Use `{}' to around @samp
7029 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7031 * invoke.texi (-fno-guess-branch-probability): New option.
7033 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7036 case of making new double-word constant.
7037 Revert last change: instead just test i3_subst_into_i2.
7039 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7041 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7042 Use q constraints instead of r.
7044 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7046 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7047 (machine_function): Define.
7048 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7049 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7050 pa_free_machine_status): New functions.
7051 (override_options): Set {init,mark,free}_machine_status to above.
7052 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7053 PIC_OFFSET_TABLE_REGNUM_SAVED.
7054 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7055 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7056 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7057 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7058 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7060 2001-01-15 DJ Delorie <dj@redhat.com>
7062 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7066 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7068 * flow.c (propagate_on_insn): Make trying to delete a prologue
7069 or epilogue insn an ICE, not a warning. Allow doing this if
7070 the current function returns with stack pointer depressed.
7072 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7073 I3 having more than one SET.
7075 2001-01-16 Jim Wilson <wilson@redhat.com>
7077 * invoke.texi: Document IA-64 options.
7079 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7080 (fixup_errata): Delete TARGET_A_STEP use.
7081 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7082 (TARGET_SWITCHES): Delete -ma-step option.
7083 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7084 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7085 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7086 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7087 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7088 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7090 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7091 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7092 cmovsi_internal): Delete ! TARGET_A_STEP check.
7094 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7096 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7097 possibility to report bugs via postal mail. Change a URL and
7098 merge in a nearly duplicate statement...
7099 (Bug Reporting): ...from here.
7100 (Service): Refer to the Bug Reporting section instead of
7102 (Contributing): Remove trivial explanations concerning snapshots.
7104 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7106 * cppmain.c (general_init): Don't use ANSI prototype.
7108 2001-01-16 Tom Tromey <tromey@redhat.com>
7110 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7112 2001-01-16 Richard Henderson <rth@redhat.com>
7114 * config/i386/i386.h: Fix comment typo.
7115 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7116 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7118 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7120 * gcc.c: Revert previous -fsyntax-only-related change; move
7123 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7125 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7126 inmode after checking GET_CODE (op).
7128 2001-01-16 Richard Henderson <rth@redhat.com>
7130 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7131 (MAX_MEM_SET_LIST_LEN): New.
7132 (propagate_one_insn): Update mem_set_list_len.
7133 (invalidate_mems_from_autoinc): Likewise.
7134 (invalidate_mems_from_set): Likewise.
7135 (mark_used_regs): Likewise.
7136 (init_propagate_block_info): Likewise. Stop collecting memories
7137 when we reach MAX_MEM_SET_LIST_LEN.
7138 (mark_set_1): Likewise.
7140 2001-01-16 Richard Henderson <rth@redhat.com>
7142 * unroll.c (precondition_loop_p): Fail if no iteration
7145 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7147 * gcc.c: When -fsyntax-only is given, do not complain about
7150 2001-01-15 Richard Henderson <rth@redhat.com>
7152 * config/i386/i386.c (asm_output_function_prefix): Remove.
7153 (ix86_asm_file_end): New.
7154 (load_pic_register): Generate pic_label_name into a
7155 staticly allocated buffer.
7156 * config/i386/i386-protos.h: Update.
7157 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7158 (ASM_FILE_END): New.
7159 * config/i386/i386afe.h: New file.
7160 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7161 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7162 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7163 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7164 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7165 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7166 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7168 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7170 * Makefile.in (install-man): Remove explicit dependency on
7173 * configure.in, configure: Revert previous patch requiring perl
7176 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7178 * toplev.c (flag_guess_branch_prob): New.
7179 (f_options): Add guess-branch-probability option.
7180 (rest_of_decl_compilation): Only estimate branch probability if
7182 (main): set flag_guess_branch_prob.
7184 * flags.h (flag_guess_branch_prob): New.
7186 2001-01-15 DJ Delorie <dj@redhat.com>
7188 * gcc.texi (Makefile): Add documentation for Makefile targets.
7190 2001-01-15 Philip Blundell <philb@gnu.org>
7192 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7194 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7195 (is_pic): Delete declaration.
7196 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7197 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7198 * config/arm/arm.md (builtin_setjmp_receiver): New.
7200 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7202 * arm.c (use_return_insn): Don't try to determine the function type
7203 until after reload has completed.
7204 (arm_output_epilogue): Don't adjust the sp value recovered from the
7206 (emit_multi_reg_push): Don't record dwarf information for the pc.
7207 * arm.md (eh_epilogue): The function type may have changed, so it
7208 needs to be recalculated.
7209 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7210 unwind tables on arm/netbsd.
7212 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7214 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7215 (negated_cbranchsi4): Likewise.
7217 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7219 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7220 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7221 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7222 pass -mapcs-* options to assembler.
7223 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7224 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7225 (ASM_SPEC): Call subtarget_extra_asm_spec.
7227 2001-01-15 Andreas Jaeger <aj@suse.de>
7229 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7231 (ix86_expand_builtin): Likewise.
7233 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7234 warning about comparison between signed and unsigned.
7236 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7238 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7240 2001-01-14 Ralf Baechle <ralf@gnu.org>
7242 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7243 SUBTARGET_CPP_SPEC apropriatly.
7245 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7247 * varasm.c (make_decl_rtl): Fix typo in last change.
7249 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7251 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7252 linker supports the init_priority C++ attribute.
7253 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7254 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7255 linker does not support init_priority C++ attribute.
7257 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7259 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7261 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7263 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7264 * cp/lex.c (finish_parse): Similarly.
7265 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7266 Return the number of errors encountered.
7267 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7268 * cppmain.c (main): Don't call cpp_destroy.
7270 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7272 * configure.in: Require at least perl 5.6.0 to regenerate
7274 * configure: Regenerate.
7276 2001-01-14 Richard Henderson <rth@redhat.com>
7278 * genrecog.c (DT_veclen_ge): New.
7279 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7280 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7281 (nodes_identical_1): Handle DT_veclen_ge.
7282 (write_cond, debug_decision_2): Likewise.
7284 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7286 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7288 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7290 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7292 * cppmain.c (do_preprocessing): New function; most of the old
7294 (main): Call it to do most of the work.
7295 (cb): Move from global scope to set_callbacks ().
7296 (setup_callbacks): Get the callback pointer.
7297 (general_init, printer_init): Clean up code and comments.
7299 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7301 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7304 2001-01-14 Kazu Hirata <kazu@hxi.com>
7306 * config/h8300/h8300.c (get_shift_alg): Update comments.
7308 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7310 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7311 (alloc_page, ggc_alloc): Add casts to remove warnings.
7313 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7315 * combine.c (simplify_comparison): Don't change `code' when
7316 can't reverse comparison.
7318 2001-01-14 Richard Henderson <rth@redhat.com>
7320 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7321 update all call sites. Return true for all non-label constants.
7323 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7325 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7327 (ix86_expand_branch): Update.
7328 (ix86_expand_setcc): Update to handle multiple test conditions.
7329 (expand_int_movcc): Likewise.
7330 (expand_fp_movcc): Likewise.
7331 * i386-protos.h (ix86_expand_compare): New.
7332 * i386.md (andqi_?_slp, orqi_?_slp): New.
7333 (conditional trap expander): Update call to ix86_expand_compare.
7335 2001-01-14 Richard Henderson <rth@redhat.com>
7337 * config/vax/vax.md: Use nonimmediate_operand instead of
7338 general_operand in destinations.
7340 * config/vax/vax.md (indirect_jump): Use register_operand.
7342 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7343 * config/vax/vax.md (call_pop): Turn into an expander.
7344 (call_value_pop): Likewise.
7345 (call, call_value): New.
7347 2001-01-14 Andreas Jaeger <aj@suse.de>
7349 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7351 (ix86_fp_compare_mode): Add unused attribute.
7352 (ix86_expand_fp_movcc): Remove unused variable.
7353 (ix86_expand_builtin): Make fcode unsigned.
7355 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7356 (expand_expr): Add cast to avoid signed warning.
7357 (store_field): Likewise.
7358 (store_constructor_field): Likewise.
7359 (store_constructor): Likewise.
7360 (store_expr): Likewise.
7361 (clear_storage): Likewise.
7362 (emit_group_store): Likewise.
7363 (emit_group_load): Likewise.
7365 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7367 * c-common.c: Move format checking code to ...
7368 * c-format.c: ... here. New file. Reorder some functions and
7370 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7372 * c-common.h (decl_handle_format_attribute,
7373 decl_handle_format_arg_attribute): Declare.
7374 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7375 (c-common.o): Adjust dependencies.
7376 (c-format.o): New list of dependencies.
7378 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7380 * unroll.c (loop_iterations): If we cannot prove iteration variable
7381 is set once in each iteration, punt.
7383 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7385 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7386 (*strlenhi): Remove clobber (which was buggy) of output address.
7388 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7390 * Makefile.in (generated-manpages): Add gcc.1
7391 ($(srcdir)/gcc.1): New target.
7392 (maintainer-clean): Delete $(srcdir)/gcc.1.
7393 * gcc.texi: Add macros @gccoptlist and @gol.
7394 * invoke.texi: Include option summary in manpage. Mark up option
7395 summary with @gccoptlist and @gol. Use @r in one place where
7397 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7398 * gcc.1: Generate from invoke.texi.
7400 2001-01-13 Richard Henderson <rth@redhat.com>
7402 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7403 (struct page_entry): Add group member.
7404 (struct page_group): New.
7405 (struct globals): Add page_groups member.
7406 (alloc_anon): Only define for using mmap; remove valloc call.
7407 (page_group_index): New.
7408 (set_page_group_in_use): New.
7409 (clear_page_group_in_use): New.
7410 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7411 (free_page, release_pages): Likewise.
7412 * configure.in (with-gc): Default to ggc-page always.
7414 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7416 * reload1.c (replace_pseudos_in_call_usage): Use
7417 reg_equiv_constant and reg_equiv_address, and don't try
7418 regno_reg_rtx first.
7420 2001-01-13 Richard Henderson <rth@redhat.com>
7422 * ggc-page.c (alloc_page): Round up allocation size to one page.
7423 Set e->order on extra pages.
7425 2001-01-13 Richard Henderson <rth@redhat.com>
7427 * genrecog.c (nodes_identical): Expand commentary.
7428 (write_switch): Watch out for identical nodes.
7430 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7432 * cppfiles.c (_cpp_fake_include): New function.
7433 * cpphash.h (_cpp_fake_include): New.
7434 * cpplib.c (do_line): Call _cpp_fake_include when entering
7435 header files in preprocessed input.
7436 * cppmain.c (cb_pragma_implementation): Remove handling.
7437 (setup_callbacks): Don't register pragmas.
7439 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7441 * extend.texi: Udate for CPP.
7443 2001-01-13 Andreas Jaeger <aj@suse.de>
7445 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7447 * regmove.c: Add prototype for replace_in_call_usage.
7449 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7451 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7452 struct cpp_chunk, struct htab, struct toklist,
7453 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7454 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7455 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7456 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7457 (struct macro_args): Delete.
7458 * cpphash.h: See above.
7460 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7462 * cppmain.c (struct printer): Remove no_line_dirs.
7464 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7465 : Use options rather than CPP_OPTION.
7466 (setup_callbacks): Use cb rather than pfile->cb.
7467 (main): No need to check for a buffer. Use cpp_errors.
7468 (printer_init): Don't set no_line_dirs.
7469 (maybe_print_line): Use options not no_line_dirs.
7470 (cb_file_change): Don't call print_line if -P.
7472 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7474 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7476 * c-parse.in (finish_parse): Use cpp_errors.
7477 (__yylex): Use return value of cpp_pop_buffer.
7478 * cp/lex.c (finish_parse): Use cpp_errors.
7479 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7481 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7483 * README.AVR: URLs corrected.
7485 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7487 * c-decl.c (start_function): Don't warn if old prototype is builtin
7488 that's not in C's namespace.
7489 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7490 (_bb): Add prototype for ctime.
7491 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7493 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7495 * i386.c (ix86_fp_comparison_arithmetics_cost,
7496 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7497 ix86_fp_comparison_cost): New functions.
7498 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7499 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7500 two-branch sequences; make static.
7501 (ix86_use_fcomi_compare): Do decision according to the costs.
7502 (split_fp_branch): New.
7503 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7504 * i386-protos.h (ix86_expand_fp_compare): Remove
7505 (ix86_split_fp_branch): Declare.
7507 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7508 and ix86_comparison_operator.
7510 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7513 * i386.c (put_condition_code): Output properly the unordered/ordered
7514 compares in fp case.
7515 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7517 * tm.texi (REVERSE_CONDITION): Document.
7518 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7519 in -ffast-math mode.
7520 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7522 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7524 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7526 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7529 * config/sh/sh.c (mova_p): Fix test for mova_const.
7531 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7533 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7534 cpp_get_options rather than dereferencing pfile and using
7536 * scan-decls.c (scan_decls): Use return value of
7537 cpp_pop_buffer rather than CPP_BUFFER.
7539 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7541 * cppinit.c (cpp_handle_option): help_only is now part of the
7542 cpp_options structure.
7543 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7544 cpp_set_callbacks): New functions.
7545 * cpplib.h (cpp_callbacks): Break out as a named structure.
7546 (cpp_options): Move help_only here from cpp_reader.
7547 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7548 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7549 cpp_set_callbacks): New prototypes.
7550 * cppmain.c (main): Update for help_only.
7552 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7554 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7555 Also build and remove and install and uninstall c-tree.info and
7557 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7558 ($(srcdir)/cppinternals.info): New target.
7559 * c-tree.texi: Change file name used when makeinfo used without -o
7560 from ir.info to c-tree.info. Add info directory entry.
7561 * cppinternals.texi: Add info directory entry.
7562 * .cvsignore: Update.
7564 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7566 * c-typeck.c (store_init_value): Don't require constant initializer
7567 elements with -pedantic -std=c99.
7568 (digest_init): Change error about non-constant initializer elements
7570 (constructor_range_end): Remove.
7571 (constructor_incremental, designator_depth,
7572 designator_errorneous): New variables.
7573 (struct constructor_stack): Remove range_end, add incremental.
7574 (struct constructor_range_stack, constructor_range_stack): New.
7575 (struct initializer_stack): Add constructor_range_stack.
7576 (finish_init): Set it.
7577 (start_init): Likewise. require_constant_elements for non-static
7578 trees only if not flag_isoc99.
7579 (really_start_incremental_init): Remove constructor_range_end, add
7580 constructor_incremental.
7581 (pop_init_level): Likewise.
7582 (push_init_level): Likewise. If implicit and the subobject had some
7583 value set already, preinitialize the level with it.
7584 Warn about missing braces only if not pushing due to designators.
7585 (set_designator, push_range_stack): New functions.
7586 (set_init_label): Use them.
7587 (set_init_index): Likewise. Remove constructor_range_end.
7588 Error if designator index is outside of array bounds.
7589 (add_pending_init): Compare values of purpose index trees, not the
7590 trees themselves. Allow overwriting of already initialized element.
7591 Issue a warning if it had side-effects.
7592 (set_nonincremental_init, set_nonincremental_init_from_string): New
7594 (pending_init_member): Rename to...
7595 (find_init_member): ...this function. Call set_nonincremental_init
7596 if necessary. Compare values of purpose index trees, not the trees
7597 themselves. Return the actual value, not just non-zero if something
7599 (output_init_element): Remove checks for duplicates.
7600 If field has zero size, only check the initializer for correctness.
7601 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7602 if constructor_incremental is zero. Change error about initializers
7603 not computable at load time into pedwarn.
7604 (output_pending_init_elements): Compare bit positions, not
7605 FIELD_DECLs to take into account zero-sized fields.
7606 (process_init_element): Use constructor_range_stack to fill all
7607 ranges in the designator lists from current level up.
7608 * extend.texi: Update documentation for labeled elements.
7610 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7612 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7613 to function usage for arguments passed by reference. Optimize
7614 callee-copied arguments.
7615 * regmove.c (replace_in_call_usage): New function.
7616 (fixup_match_1): Call it.
7617 * cse.c (cse_insn): Canonicalize registers in function usage.
7618 * reload1.c (replace_pseudos_in_call_usage): New function.
7621 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7624 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7626 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7629 2001-01-12 DJ Delorie <dj@redhat.com>
7631 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7632 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7635 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7637 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7638 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7639 -std options alongside references to -ansi. Update some
7640 documentation for C99.
7641 * cpp.1: Regenerate.
7643 2001-01-12 Andreas Jaeger <aj@suse.de>
7645 * haifa-sched.c (restore_line_notes): Remove argument block B
7647 * sched-ebb.c (schedule_ebb): Change caller.
7648 * sched-rgn.c (schedule_region): Likewise.
7649 * sched-int.h (restore_line_notes): Adjust prototype.
7651 * loop.h: Remove wrong declaration of doloop_condition_get.
7653 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7655 * extend.texi: Move C++-extension-related node from the C section
7656 into the C++ section.
7658 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7660 * extend.texi: Refer to an array of pointers to functions instead
7661 of one of functions.
7663 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7664 Jan Hubicka <jh@suse.cz>
7666 * combine.c (reversed_comparison): Fix typo in last patch.
7668 (combine_reversed_comparison_code): Make static to follow
7669 prototype declaration.
7671 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7673 * install.texi: Remove misplaced duplicate entry.
7675 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7677 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7679 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7681 * final.c: (leaf_function_p): Fix typo.
7683 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7685 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7686 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7688 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7689 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7690 mmap_anon, and valloc is available.
7691 * ggc-page.c: Restructure ifdef logic to match new autoconf
7692 spec. Don't throw away the test page in init_ggc.
7694 * configure, config.in: Regenerate.
7696 2001-01-12 Michael Hayes <mhayes@redhat.com>
7698 * loop.h (total_biv_increment): Constify iv_class pointer.
7699 (struct induction): Replace `mem_mode' with `mem' rtx.
7700 * unroll.c (total_biv_increment): Constify iv_class pointer.
7701 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7702 (find_mem_givs, combine_givs_p): Likewise.
7703 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7705 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7707 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7709 (__gthread_getspecific): Ditto.
7711 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7713 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7714 put_condition_code): Convert fp comparison codes to integer
7716 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7719 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7720 * i386-protos.h (no_comparison_operator): Kill.
7722 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7724 * combine.c (REVERSIBLE_CC_MODE): Remove.
7725 (reversible_comparison_p): Remove.
7726 (combine_reversed_comparison_code): New.
7727 (reversed_comparison): New.
7728 (combine_simplify_rtx): Use
7729 combine_reversed_comparison_code/reversed_comparison instead
7730 of reversible_comparison_p.
7731 (simplify_if_then_else): Likewise.
7732 (simplify_set): Likewise.
7733 (simplify_logical): Likewise.
7734 (if_then_else_cond): Likewise.
7735 (known_cond): Likewise.
7736 (simplify_comparison): Likewise.
7738 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7740 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7741 sizeof (int) is larger than sizeof(__word__).
7743 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7745 * cppinit.c (do_includes): Fix typo.
7747 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7749 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7750 in S_REGS does not occur because not all sources are possible
7751 when a S_REGS is a destination (sometimes needs a clobber).
7752 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7753 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7754 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7755 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7756 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7757 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7758 (lshrdi_const1, lshrsi3_const16): Likewise.
7759 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7760 (*movhi_68hc12, *movqi_68hc12): Likewise.
7761 (movstrictqi): Make sure reloading in D_REGS as a destination
7764 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7766 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7768 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7770 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7771 -D, -U and -A, and don't initialize the builtins.
7772 (do_includes): Error if -include or -imacros with -fpreprocessed.
7773 * cppmain.c (cb_define, cb_undef): Unconditionally process
7775 * tradcpp.c (main): Fix typo.
7777 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7779 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7780 (read_name_map): Use IS_ABSOLUTE_PATH.
7781 * tradcpp.c (get_filename): Likewise.
7783 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7785 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7786 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7787 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7788 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7789 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7790 (cmphi_z_used): Don't use '@' for the output.
7791 (tstqi_z_used): Likewise.
7792 (cmpqi_z_used): Likewise.
7793 (one_cmplsi2): Likewise.
7795 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7797 * config/sh/sh.c (barrier_align): Recognize branch around far
7798 branch and redundant insn.
7800 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7802 * invoke.texi: Restore documentation of the drivers' switches -MD
7805 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7807 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7809 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7810 check-objc//%): Support parallel testing of multilibs.
7811 (TESTSUITEDIR): Set to testsuite by default, but override for
7813 (check-gcc, check-g++, check-g77, check-objc): Enter
7816 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7818 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7819 * sched-deps.c (deps_may_trap_p): Likewise.
7820 * basic-block.h: Remove a comment.
7821 * flow.c (PROP_POSTRELOAD): Remove.
7822 (update_life_info): Don't add it to prop_flags.
7823 (mark_set_1): Lose the code that was enabled by it.
7825 2001-01-11 Michael Hayes <mhayes@redhat.com>
7827 * flow.c (flow_call_edges_add): New.
7828 * basic_block.h (flow_call_edges_add): New.
7830 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7832 * reload1.c (move2add_note_store): Update reg_set_luid even if
7833 base reg remains the same.
7835 2001-01-10 Nick Clifton <nickc@redhat.com>
7837 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7838 machine_function structure to zero.
7839 Add prototypes for machine_status functions.
7841 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7843 * c-common.h (CTI_VOID_LIST): Remove.
7844 (void_list_node): Likewise.
7845 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7846 (void_list_node): New macro.
7847 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7848 * config/i386/i386.c (ix86_init_builtins): Likewise.
7849 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7851 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7853 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7854 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7856 * tradcpp.c: Include mkdeps.h.
7857 (deps, print_deps_phony_targets, deps_append, output_deps,
7858 init_dependency_output, output_deps): New.
7859 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7860 deps_output): Delete.
7861 (print_deps_missing_files): Rename deps_missing_files.
7862 (inhibit_output): Make global.
7863 (main): Delete inhibit_output, deps_stream, deps_target.
7864 Use mkdeps functionality in the same way as cpplib. Remove
7865 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7866 -M and -MM. Remove old handling of deps via deps_out, and
7867 old reading of environment variables.
7868 (get_filename): Update to use deps_add_dep.
7870 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7872 * output.h (make_function_rtl): Remove prototype.
7873 (make_decl_rtl): Likewise.
7874 * varasm.c (make_function_rtl): Remove.
7875 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7876 than from a third parameter.
7877 * tree.h (make_decl_rtl): Remove last parameter.
7878 * c-decl.c (builtin_function): Remove last argument in call to
7879 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7880 (start_function): Likewise.
7881 * except.c (call_get_eh_context): Likewise.
7882 * expr.c (emit_block_move): Likewise.
7883 (clear_storage): Likewise.
7884 * profile.c (output_func_start_profiler): Likewise.
7885 * toplev.c (rest_of_decl_compilation): Likewise.
7886 * objc/objc-act.c (create_builtin_decl): Likewise.
7887 (synth_module_prologue): Likewise.
7888 (generate_static_reference): Likewise.
7889 (build_selector_reference_decl): Likewise.
7890 (build_class_reference_decl): Likewise.
7891 (build_objc_string_decl): Likewise.
7892 (build_protocol_reference): Likewise.
7894 2001-01-10 Richard Henderson <rth@redhat.com>
7896 * hwint.h: Revert yesterday's change.
7898 2001-01-10 Nick Clifton <nickc@redhat.com>
7900 * function.h (save_machine_status): Delete.
7901 (restore_machine_status): Delete.
7902 Amend comment describing {init|mark|free}_machine_status.
7904 * function.c (save_machine_status): Delete.
7905 (restore_machine_status): Delete.
7906 Amend comment describing {init|mark|free}_machine_status.
7907 (push_function_context_to): Remove invocation of
7908 save_machine_status.
7909 (pop_function_context_from): Remove invocation of
7910 restore_machine_status.
7912 * emit-rtl.c (init_emit_once): Amend comment describing
7913 {init|mark|free}_machine_status.
7915 * tm.texi (Per-Function Data): New node. Describe the
7916 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7919 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7921 * cppinit.c (OPT_g): Remove.
7922 (cpp_handle_option): Update for removed -g3.
7923 (print_help): Update.
7924 * cpplib.h (struct cpp_options): Remove debug_output.
7925 * cppmain.c (setup_callbacks, cb_define): Update.
7926 * gcc.c (cpp_options): Translate -g3 to -dD.
7928 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7930 * config/i960/i960.md: Change modifier to + on the zero_extract
7931 pattern after the (rotate -2 reg) canonicalization pattern.
7933 2001-01-10 Richard Henderson <rth@redhat.com>
7935 * config/alpha/alpha.c (alpha_free_machine_status): New.
7936 (override_options): Install it.
7937 (alpha_mark_machine_status): Verify machine non-null.
7938 * config/i386/i386.c (ix86_free_machine_status): New.
7939 (override_options): Install it.
7940 (ix86_init_machine_status): Use xcalloc.
7941 (ix86_mark_machine_status): Verify machine non-null.
7942 * config/ia64/ia64.c (ia64_free_machine_status): New.
7943 (ia64_override_options): Install it.
7944 (ia64_mark_machine_status): Verify machine non-null.
7946 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7948 * function.c (instantiate_virtual_regs): Instantiate virtual
7949 registers found in CALL_INSN_FUNCTION_USAGE.
7951 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7953 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7954 equivalent to -ansi in disabling -Di386.
7956 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7958 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7960 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7962 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7964 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7966 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7968 * invoke.texi: Document that -fcond-mismatch isn't supported for
7971 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7973 * gcc.texi: Define macro gcctabopt.
7974 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7975 @command, @env and @option in some places where appropriate. Use
7976 @gcctabopt where appropriate. Put URLs and email addresses inside
7979 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7981 * gcc.c (cpp_options): Set MD file name from output
7982 filename, if specified.
7983 (suffix_subst): New static variable.
7984 (do_spec): Clear it.
7985 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7987 (give_switch): Handle suffix_subst.
7989 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7991 * invoke.texi: Fix another typo.
7993 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7995 * invoke.texi: Fix typo.
7997 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7999 * c-lang.c (lang_hooks): Update.
8000 (lang_decode_option): Remove.
8001 (lang_init_options): Rename c_init_options.
8002 * toplev.c (main): Use lang_hooks for lang_init_options
8003 and lang_decode_option.
8004 * toplev.h (lang_hooks): Add 2 new hooks.
8005 * tree.h: Remove lang_init_options and lang_decode_option.
8006 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8007 * cp/decl2.c: Similarly.
8008 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8009 (lang_hooks): Update.
8010 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8012 (lang_init_options): Rename ffe_init_options.
8013 (lang_hooks): Update.
8014 (lang_decode_option): Remove.
8015 * java/lang.c (lang_init_options): Rename java_init_options.
8016 (lang_decode_option): Rename java_decode_option.
8017 (lang_hooks): Update.
8018 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8019 (lang_decode_option): Rename objc_decode_option.
8020 (lang_hooks): Update.
8022 2001-01-09 Nick Clifton <nickc@redhat.com>
8024 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8025 (d30v_return_addr_rtx): Delete.
8026 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8027 cfun->machine structure.
8028 (struct machine_function): Move to d30v.h
8029 (d30v_save_machine_status): Delete.
8030 (d30v_restore_machine_status): Delete.
8031 (d30v_init_machine_status): New Function.
8032 (d30v_mark_machine_status): New Function.
8033 (d30v_free_machine_status): New Function.
8034 (d30v_init_expanders): Use new functions.
8035 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8036 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8037 d30v_return_addr_rtx.
8039 * config/d30v/d30v.h (struct_machine): Move here.
8040 Add eh_epilogue_sp_ofs field.
8042 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8043 field in cfun->machine structure.
8045 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8047 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8048 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8049 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8051 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8053 * objc/lang-options.h: Remove bogus reference to
8056 2001-01-09 Kazu Hirata <kazu@hxi.com>
8058 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8061 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8063 * reload.c (find_reloads_address): Check for eliminable registers
8064 when substituting a constant expression for a pseudo.
8066 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8068 * c-common.c (enum format_type): Add format_type_error.
8069 (decode_format_type): New function.
8070 (decl_attributes): Use it.
8071 (format_kind_info): Adjust comment.
8073 2001-01-09 David O'Brien <obrien@BSDi.com>
8075 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8076 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8078 * config/i386/gnu.h: Don't include required platform specific .h files,
8079 tm.h will do it instead.
8080 * config/i386/i386elf.h: Likewise.
8081 * config/i386/linux.h: Likewise.
8082 * config/i386/moss.h: Likewise.
8083 * config/mips/gnu.h: Likewise.
8085 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8087 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8088 (rs6000-ibm-aix3.[01]*): Likewise.
8089 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8090 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8091 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8092 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8093 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8094 (powerpc-*-eabiaix*): Likewise.
8095 (powerpc-*-eabisim*): Likewise.
8096 (powerpc-*-elf*): Likewise.
8097 (powerpc-*-eabi*): Likewise.
8098 (powerpc-*-rtems*): Likewise.
8099 (powerpc-*-linux*libc1): Likewise.
8100 (powerpc-*-linux*): Likewise.
8101 (powerpc-wrs-vxworks*): Likewise.
8102 (powerpcle-wrs-vxworks*): Likewise.
8103 (powerpcle-*-sysv*): Likewise.
8104 (powerpcle-*-elf*): Likewise.
8105 (powerpcle-*-eabisim*): Likewise.
8106 (powerpcle-*-eabi*): Likewise.
8107 (powerpcle-*-solaris2*): Likewise.
8108 * config/rs6000/aix31.h: Delete includes.
8109 * config/rs6000/aix3newas.h: Likewise.
8110 * config/rs6000/aix41.h: Likewise.
8111 * config/rs6000/aix43.h: Likewise.
8112 * config/rs6000/beos.h: Likewise.
8113 * config/rs6000/rtems.h: Likewise.
8114 * config/rs6000/sysv4.h: Likewise.
8116 2001-01-09 Kazu Hirata <kazu@hxi.com>
8118 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8119 Change an argument mode of machine_mode to shift_mode of
8120 shift_mode. Remove an extra error check.
8121 (emit_a_shift): Adopt to the new calling prototype of
8123 (function_prologue): Fix code for a monitor
8124 function. Support H8/S.
8125 (function_epilogue): Do not output pop for a monitor function.
8127 2001-01-09 Nick Clifton <nickc@redhat.com>
8129 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8130 (setup_incoming_varargs): Use sysv_varargs_p field of the
8131 cfun->machine structure.
8132 (struct machine_function): Move to rs6000.h
8133 (rs6000_save_machine_status): Delete.
8134 (rs6000_restore_machine_status): Delete.
8135 (rs6000_init_machine_status): New Function.
8136 (rs6000_free_machine_status): New Function.
8137 (rs6000_init_expanders): Use new functions.
8139 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8141 (struct machine_function): Move here.
8143 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8144 sysv_varargs_p field of the cfun->machine structure.
8146 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8148 (rs6000_restore_machine_status): Remove prototype.
8150 2001-01-09 Richard Henderson <rth@redhat.com>
8152 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8153 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8154 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8155 (sched_analyze_2, sched_analyze_insn): Likewise.
8156 (sched_analyze, init_deps): Likewise.
8157 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8158 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8159 (compute_block_backward_dependences): Update propagate_deps call.
8161 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8163 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8165 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8167 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8168 (cpp_handle_option): Handle them.
8169 (cpp_post_options): Ensure one of -M or -MM is specified with
8170 any other -M? option.
8171 (init_dependency_output): Suppress output with -MG.
8173 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8176 * invoke.texi: Update.
8178 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8180 * sh.md (reload_outsf): Generate recognizable patterns for
8183 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8185 * c-lang.c (lang_hooks): Update.
8186 (lang_init): Rename c_init.
8187 (lang_finish): Remove.
8188 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8190 * toplev.h (lang_hooks): Add init () and finish ().
8191 * tree.h (lang_init, lang_finish): Remove.
8192 * cp/tree.h (lang_init, lang_finish): Remove.
8193 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8194 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8196 (lang_init, lang_finish): Remove.
8197 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8198 (lang_hooks): Update.
8199 * java/lang.c (lang_init): Rename java_init.
8200 (lang_finish): Remove.
8201 (lang_hooks): Update.
8202 * objc/objc-act.c (lang_init): Rename objc_init.
8203 (lang_finish): Remove.
8204 (lang_hoooks): Update.
8206 20001-01-09 Graham Stott <grahams@redhat.com>
8208 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8209 after `ptr` is initialised.
8211 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8213 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8214 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8215 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8216 stack adjusts, instead of r3.
8218 2001-01-09 Michael Hayes <mhayes@redhat.com>
8220 * flow.c (flow_loop_scan): Break out of ...
8221 (flow_loops_find) ... here.
8222 * basic-block.h (flow_loop_scan): New.
8223 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8224 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8226 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8228 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8230 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8231 realloc()ing macro_buffer.
8233 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8234 if it's wider than long and the target's long is wider than the
8237 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8239 Remove support for using UWIN as a host machine.
8240 * configure.in: Issue an error message.
8241 * configure: Regenerated.
8242 * config.gcc: Remove xm_* UWIN configury.
8243 * config/i386/xm-uwin.h: Remove.
8245 2001-01-08 Nick Clifton <nickc@redhat.com>
8247 * config/v850/v850.c (ra_rtx): Delete.
8248 (v850_save_machine_status): Delete.
8249 (v850_restore_machine_status): Delete.
8250 (v850_init_machine_status): New function.
8251 (v850_mark_machine_status): New function.
8252 (v850_free_machine_status): New function.
8253 (v850_return_addr): Use ra_rtx field in machine structure.
8254 (v850_init_expanders): Use new functions.
8256 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8257 * config/v850/v850.c: Change arguments to v850_output+* functions
8258 to take a const char *, to avoid compile time warning.
8259 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8260 (USER_LABEL_PREFIX): Redefine.
8262 2000-01-08 Jim Wilson <wilson@redhat.com>
8264 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8265 1 to unsigned HOST_WIDE_INT before left shift.
8267 2001-01-08 Nick Clifton <nickc@redhat.com>
8269 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8270 the machine structure has been allocated.
8271 (arm_free_machine_status): New function: Free the machine
8272 specific function structure.
8274 2001-01-08 Richard Henderson <rth@redhat.com>
8276 * jump.c (simplejump_p): Revert last change.
8278 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8280 * cppinit.c (init): Rename init_library.
8281 (cpp_create_reader): Update.
8282 * gcc.c (cpp_options): If -o given, use it as the target of
8285 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8287 * arm.c (arm_arch5e): New variable.
8288 (all_cores): XScale is a 5TE device.
8289 (arm_override_options): Set arm_arch5e.
8290 (arm_init_builtins): __builtin_prefetch is in arch5e.
8291 * arm.h (arm_arch5e): Declare it.
8293 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8295 * arm.md (define_constants): Add defines for UNSPEC and
8296 UNSPEC_VOLATILE insns. Update all users.
8297 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8298 * arm.c (multi_register_push, note_invalid_constants)
8299 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8300 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8301 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8303 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8305 * jump.c (jump_optimize_1): Use reversed_comparison_code
8306 instead of can_reverse_comparison_p.
8307 (jump_back_p): Likewise.
8308 (invert_exp_1): Likewise.
8309 (thread_jumps): Likewise.
8310 * simplify-rtx.c (simplify_unary_operation): Likewise.
8311 (simplify_ternary_operation): Likewise.
8312 * cse.c (find_comparison_args): Convert to use
8313 can_reverse_comparison_p.
8314 (record_jump_equiv): Likewise.
8316 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8318 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8319 (EPILOGUE_USES): Define.
8320 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8321 automatically stack the LR if it isn't live.
8323 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8325 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8328 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8330 * ggc-page.c (max_alignment): New structure.
8331 (MAX_ALIGNMENT): New macro.
8332 (init_ggc): Use it to round up the sizes in the
8333 extra_order_size_table.
8335 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8337 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8340 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8342 * builtins.def (BUILT_IN_FPRINTF): New entry.
8344 * c-common.c (c_expand_builtin_fprintf): New function.
8345 (init_function_format_info): Handle __builtin_fprintf.
8346 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8347 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8349 * c-decl.c (duplicate_decls): Adjust comment.
8351 * extend.texi (fprintf): Document new builtin.
8353 2001-01-07 Richard Henderson <rth@redhat.com>
8355 * jump.c (simplejump_p): Recognize any single_set jump
8358 2001-01-07 Richard Henderson <rth@redhat.com>
8360 * configure.in (slibdir): Accept an --with-slibdir option.
8361 Use "test" not "[" in configure. Default to $(libdir).
8363 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8365 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8366 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8367 (SHLIB_LINK): Create links for the soname.
8368 * config/mips/t-iris6: Likewise.
8369 * config/sparc/t-slibgcc: Likewise.
8370 * config/sparc/t-slibgcc-sld: Likewise.
8372 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8374 * config/i386/i386.c (constant_call_address_operand): Accept
8375 (const (plus (symbol_ref) (const_int))).
8376 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8377 constant_call_address_operand.
8379 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8381 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8382 and LONG_LONG_TYPE_SIZE > 32.
8384 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8386 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8387 the previous change.
8389 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8391 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8393 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8394 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8395 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8398 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8400 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8402 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8404 * c-lang.c (c_post_options): Call cpp_post_options.
8405 * objc/objc-act.c (objc_post_options): Similarly.
8406 * cppmain.c (main): Similarly.
8407 * fix-header.c (read_scan_file): Similarly.
8408 * cppinit.c (cpp_start_read): Move option consistency checks
8409 to cpp_post_options. Don't call init_dependency_output.
8410 If needed, add default target and main file dependency.
8411 (OPT_MD, OPT_MMD): Remove.
8413 (cpp_handle_option): Update for OPT_* changes.
8414 (cpp_post_options): New.
8415 (init_dependency_output): Command line -MF overrides environment
8416 variables. Don't set default target etc. Suppress output
8417 if dependencies are going to stdout.
8418 (print_help): Update.
8419 * cpplib.h (cpp_post_options): New.
8420 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8422 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8424 * jump.c (comparison_dominates_p): Support unordered compares.
8426 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8428 * simplify-rtx.c (simplify_relational_operation): Always simplify
8429 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8432 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8434 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8435 (nonzero_bits): Likewise.
8436 (simplify_comparison): Likewise.
8437 (num_sign_bit_copies): Likewise; return more sane value depending
8438 on STORE_FLAG_VALUE.
8439 (known_cond): Do not assume EQ to be always true for equivalent
8442 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8444 * cse.c (fold_rtx): Handle unordered comparisons.
8446 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8448 * rtlanal.c (set_of_1): New static function.
8449 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8450 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8451 reg_set_last_last_regno): Remove.
8452 (set_of): New global function.
8453 (set_of_data): New structure.
8454 (reg_set_p, reg_set_last): Revamp for set_of.
8455 * rtl.h (set_of): New.
8457 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8459 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8460 * extend.texi: Document _Exit builtin.
8462 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8464 * (initialize, initialize_builtins,
8465 initialize_dependency_output, initialize_standard_includes):
8466 Rename s/initialize/init. Update.
8467 (init_dependency_output): Move to after
8468 cpp_handle_options, the correct location temporally at least.
8469 (opt_comp): Move next to init (), its caller. Fix prototype.
8470 (init): Make "initialized" local scope.
8471 (cpp_create_reader): Always call init ().
8472 (cpp_start_read): Update.
8473 (output_deps): New function, broken out of cpp_finish.
8474 (cpp_finish): Break out output_deps.
8476 2001-01-07 Richard Henderson <rth@redhat.com>
8478 * collect2.c (COFF specific stuff): Revert 12-06 patch
8479 to prototype system functions.
8481 2001-01-07 Michael Hayes <mhayes@redhat.com>
8483 * hard-reg-set.h: Add multiple include guard.
8484 * basic-block.h (struct loop): Add `sink' field.
8485 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8486 (emit_iv_add_mult): Delete.
8487 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8488 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8489 (unroll_loop): Remove end_insert_before argument.
8490 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8491 (maybe_eliminate_biv_1): Likewise.
8492 (emit_iv_add_mult): Delete.
8493 (gen_add_mult, loop_regs_update): New.
8494 (loop_insn_emit_after, loop_insn_emit_before): New.
8495 (loop_insn_sink, loop_insn_sink_or_swim): New.
8496 (emit_iv_add_mult): Delete.
8497 (scan_loop): Set loop->sink.
8498 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8499 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8500 (maybe_eliminate_biv_1): Likewise.
8501 (maybe_eliminate_biv_1): Add basic block argument.
8502 * unroll.c (unroll_loop): Remove end_insert_before argument.
8503 (find_splittable_regs): Likewise.
8504 (find_splittable_regs): Use loop_insn_sink and its ilk.
8505 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8507 2001-01-07 Michael Hayes <mhayes@redhat.com>
8509 * loop.h (loop_insn_hoist): New prototype.
8510 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8511 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8512 (check_dbra_loop, load_mems): Likewise.
8513 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8514 (find_splittable_givs): Likewise.
8516 2001-01-07 Michael Hayes <mhayes@redhat.com>
8518 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8520 2001-01-07 Richard Henderson <rth@redhat.com>
8522 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8524 2001-01-07 Richard Henderson <rth@redhat.com>
8526 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8527 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8528 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8529 variant that handles a shared libgcc.
8530 (process_command): Always validate -{static,shared}-libgcc.
8531 (do_spec_1): New 'M' case.
8532 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8534 2001-01-07 Richard Henderson <rth@redhat.com>
8536 * Makefile.in (slibdir): New variable.
8537 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8538 (installdirs): Create slibdir.
8539 (install-libgcc, install-multilib): Defer to libgcc.mk.
8540 * configure.in (slibdir): Substitute.
8541 * mklibgcc.in (install): New target.
8543 * config/t-linux (SHLIB_LINK): Create links for the soname.
8544 (SHLIB_INSTALL): New.
8545 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8546 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8547 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8548 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8549 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8551 2001-01-07 Richard Henderson <rth@redhat.com>
8553 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8554 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8555 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8557 2001-01-07 Michael Hayes <mhayes@redhat.com>
8559 * loop.c (count_loop_regs_set): Delete.
8560 (load_mems_and_recount_loop_regs_set): Delete.
8561 (loop_regs_scan): Merge common code from count_loop_regs_set,
8562 scan_loop, and load_mems_and_recount_loop_regs_set.
8563 (scan_loop): Call load_mems directly and loop_regs_scan
8564 again if new registers created.
8566 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8568 * toplev.c (main): Call the front-end specific post_options
8569 hook if one is given.
8570 * toplev.h (struct_lang_hooks, lang_hooks): New.
8571 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8572 for the C front end.
8573 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8574 lang_hooks for the C++ front end.
8575 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8576 lang_hooks for the ObjC front end.
8577 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8578 * java/lang.c (lang_hooks): Hooks for the Java front end.
8580 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8582 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8583 for verbose DWARF[2] debugging.
8584 (cb_define, cb_undef): The new callbacks.
8585 * toplev.h (debug_define, debug_undef): Make const correct.
8586 * toplev.c (debug_define, debug_undef): Similarly. Do not
8587 perform the verbosity tests here anymore.
8589 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8591 * reload.c (subst_reloads): Take INSN argument. When
8592 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8593 * reload.h (subst_reloads): Adjust prototype.
8594 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8595 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8596 present in JUMP_INSNs and copy them to JUMP_LABEL.
8597 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8598 JUMP_INSNs and insns with REG_LABELs that are followed by
8599 JUMP_INSNs with the same REG_LABEL.
8600 * sched-rgn.c (is_cfg_nonregular): Likewise.
8601 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8603 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8605 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8607 2001-01-06 Richard Henderson <rth@redhat.com>
8609 * loop.c (scan_loop): Use xcalloc for the regs array.
8610 (load_mems_and_recount_loop_regs_set): Zero the new memory
8611 received from xrealloc.
8613 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8615 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8617 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8619 * integrate.c (copy_rtx_and_substitute): When copying
8620 an ignored return value, strip REG_FUNCTION_VALUE_P.
8622 2001-01-06 Michael Hayes <mhayes@redhat.com>
8624 * loop.c (debug_biv, debug_giv): New.
8625 (loop_biv_dump): Break out from ...
8626 (record_biv): ... here.
8627 (loop_giv_dump): Break out from ...
8628 (record_giv): ... here.
8629 (loop_bivs_check): Use print_simple_rtl.
8630 * unroll.c (loop_iterations): Use print_simple_rtl.
8632 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8634 * pa.md (return, return_internal): Modify patterns to prevent regrename
8635 mucking with the return pointer.
8637 2001-01-05 Richard Henderson <rth@redhat.com>
8639 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8641 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8643 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8644 version supplied by Matteo Frigo.
8646 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8648 * cpp.texi: Update for -MQ.
8649 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8650 (cpp_cleanup): Always free pfile->deps.
8651 (initialize_dependency_output): Don't create pfile->deps.
8652 (cpp_handle_option): Similarly.
8654 * gcc.c (cpp_options): Handle -MQ.
8655 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8656 * mkdeps.c (base_name): Remove.
8657 (deps_init): Don't allocate vector space until it's needed.
8658 (deps_free): Only free vectors if allocated.
8659 (deps_add_target, deps_add_dep): Update for initial allocation.
8660 (deps_add_default_target): Don't strip to the base_name.
8662 2001-01-05 DJ Delorie <dj@redhat.com>
8664 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8665 (INIT_EXPANDERS): Define.
8667 * config/v850/v850.c (struct machine_function): Define.
8668 (v850_save_machine_status): New function.
8669 (v850_restore_machine_status): New function.
8670 (v850_return_addr): New function.
8671 (v850_init_expanders): New function.
8673 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8674 and v850_init_expanders.
8676 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8678 * cpplib.h (struct cpp_reader): Add help_only field.
8679 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8680 (cpp_handle_option): Set pfile->help_only if we see -h,
8681 --help, -target-help, or --version. Print version string but
8682 do not set help_only if we see -v or -version. Make text
8683 printed by -v match that printed by (-)-version.
8685 * cppmain.c (main): Exit after option parsing if
8686 pfile->help_only is true.
8688 * toplev.c (independent_decode_option): Call print_version,
8689 then exit, if we see --version (but not -version).
8690 (print_version): Split lengthy message into two lines.
8692 2001-01-05 Nick Clifton <nickc@redhat.com>
8694 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8695 temporary string for initialisation before calling ggc_alloc_string.
8697 2001-01-06 Michael Hayes <mhayes@redhat.com>
8699 * rtl.h (print_simple_rtl): New.
8700 * print-rtl.c (print_simple_rtl): New.
8702 (print_rtx): Disable printing of flags and modes, etc.,
8703 if `flag_simple` nonzero.
8705 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8707 * function.c (fixup_var_refs): Use push_to_full_sequence where
8710 2001-01-05 Michael Meissner <meissner@redhat.com>
8712 * flags.h (flag_reorder_blocks): Add declaration.
8713 (flag_rename_block): Ditto.
8715 2001-01-05 DJ Delorie <dj@redhat.com>
8717 * function.c (reorder_blocks): Make sure the flags are all reset
8718 before using them to mark blocks, else a second invocation will
8719 corrupt the block chain.
8720 (reorder_blocks_0): New, resets the flags.
8722 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8724 * cse.c (find_comparison_args): Stop if the argument is known to
8727 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8729 * config/sh/sh.md (movdf): When splitting load into pair of
8730 registers, don't clobber the register used in the address too
8733 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8735 * varasm.c (mark_constant_pool): Improve initial comments.
8736 (mark_constants): Move marking of constants to mark_constant.
8737 (mark_constant): New function to recursively mark all constants
8738 referred to by a constant.
8740 2001-01-05 Catherine Moore <clm@redhat.com>
8742 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8744 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8746 * cp/lang-options.h: Bring comment in line with reality.
8747 * f/lang-options.h: Likewise.
8748 * java/lang-options.h: Likewise.
8749 * objc/lang-options.h: Likewise.
8750 * ch/lang-options.h: Likewise.
8751 * f/g77.texi: And update the manual.
8753 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8754 Denis Chertykov <denisc@overta.ru>
8756 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8757 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8758 * config/avr/avr.md (all peepholes that request a scratch register):
8759 Call it, FAIL the peephole if not safe (in interrupt functions).
8761 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8763 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8765 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8767 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8769 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8770 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8771 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8772 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8773 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8775 * extend.texi: Document these builtins.
8777 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8779 * c-common.c (lang_get_alias_set): Say we know nothing of
8780 VECTOR_TYPE aliasing.
8782 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8784 2001-01-05 Bruce Korb <bkorb@gnu.org>
8786 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8787 their x* equivalent versions for atexit-less systems
8788 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8789 systems (or any other system any more).
8791 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8793 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8794 output operands. Use arm_hard_register_operand for operand 4.
8795 (stmsi_postinc): Similarly.
8796 (ldmsi): Use arm_hard_register_operand for opernand 2.
8798 * arm.c (arm_hard_register_operand): New function.
8799 * arm-protos.h (arm_hard_register_operand): Prototype it.
8801 * arm.h (HARD_REGNO_RENAME_OK): Define.
8803 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8805 * simplify-rtx.c (cfc_args): add "unordered" field.
8806 (check_fold_consts): Set unordered field.
8807 (simplify_relational_operation): Simplify the unordered
8810 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8813 * emit-rtl.c (try_split): Fix code to mark labels.
8814 * jump.c (mark_jump_label): Make global.
8815 * rtl.h (mark_jump_label): Declare.
8817 * predict.c (estimate_probability): Handle unordred comparisons.
8819 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8821 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8822 * cppinit.c (initialize_dependency_output): Update.
8823 (cpp_finish): Output dummy targets for -MP.
8825 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8826 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8827 * gcc.c (cpp_options): Update to handle -MP.
8828 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8829 to quote only the default target.
8830 (deps_phony_targets): Insert a preceding newline. Rename from
8831 deps_dummy_targets for consistency.
8834 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8836 * calls.c (emit_library_call_value_1): Support
8837 INIT_CUMULATIVE_LIBCALL_ARGS.
8838 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8840 2001-01-04 Richard Henderson <rth@redhat.com>
8842 * c-decl.c (finish_struct): Detect flexible array members
8843 used in an inappropriate context.
8844 * c-typeck.c (really_start_incremental_init): Special case
8845 constructor_max_index for zero length arrays.
8846 (pop_init_level): Allow initialization of flexible array
8847 members. Deprecate initialization of zero length arrays.
8848 Don't issue missing initializer warning for flexible array
8849 members or zero length arrays.
8850 (process_init_element): Don't dereference null DECL_SIZE.
8851 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8852 Don't abort for empty constructors. Use size_binop
8853 (output_constructor): Add commentary regarding zero length
8854 array futures. Abort if we try to initialize an array of
8855 unspecified length with a non-empty constructor in the middle
8858 * extend.texi (Zero Length): Update and clarify documentation
8859 on static initialization.
8861 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8863 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8864 with more than 32767 words of local storage.
8866 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8868 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8869 for 'abs', 'labs', and 'fabs'.
8870 (c4x_expand_builtin): Likewise.
8871 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8873 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8875 * config/sh/sh.md (prget, prset): New insn types.
8876 (return delay slot): Dont' allow prset.
8877 (call, sfunc delay slot): Don't allow prget.
8878 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8879 for prset and prget.
8881 2001-01-05 Michael Hayes <mhayes@redhat.com>
8883 * loop.h (struct loop_reg): New.
8884 (struct loop_regs): Change to use array of `struct loop_reg'.
8885 * loop.c: Replace assortment of varrays with single regs array.
8886 (count_one_set): Delete may_not_move array argument
8887 and use regs array instead. All caller's changed.
8888 (count_loop_regs_set): Delete may_not_move and single_usage
8889 arguments and use regs array instead. All caller's changed.
8890 (find_single_use_in_loop): Replace usage array argument with pointer
8891 to regs structure. All caller's changed.
8892 (loop_optimize): Delete `moved_once' array.
8894 2001-01-05 Michael Hayes <mhayes@redhat.com>
8896 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8897 Use it instead of loop_info->has_call for scanning loop mems.
8898 (check_dbra_loop): Replace loop_info->has_call test with
8899 loop_info->has_nonconst_call.
8901 2000-01-04 Matthew Hiller <hiller@redhat.com>
8903 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8906 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8908 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8909 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8911 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8913 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8914 (flag_short_double, flag_short_wchar): Define.
8915 (c_common_nodes_and_builtins): Create many tree nodes shared
8916 between C and C++ here instead of in cp/decl.c and ...
8917 * c-decl.c (init_decl_processing): ... here.
8918 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8919 (flag_short_double, flag_short_wchar): Don't define.
8920 (record_builtin_type): New function.
8921 (build_void_list_node): New function.
8922 * c-common.h (flag_short_double, flag_short_wchar,
8923 record_builtin_type, build_void_list_node): Declare.
8925 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8927 * integrate.c (expand_inline_function): Don't put a virtual
8928 register into the reg map.
8930 * function.c (fixup_var_refs_1): If force_operand didn't put
8931 the address into the target, move it there.
8933 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8935 Special-case tree_decl/tree_list allocations.
8936 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8937 (OBJECT_SIZE): New macro.
8938 (NUM_EXTRA_ORDER): Likewise.
8939 (extra_order_size_table): New variable.
8940 (NUM_ORDERS): New macro.
8941 (objects_per_page_table): New variable.
8942 (object_size_table): New variable.
8943 (G.pages): Use NUM_ORDERS to bound the array.
8944 (G.page_tails): Likewise.
8945 (DIV_ROUND_UP): Remove.
8946 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8947 (alloc_page): Use OBJECT_SIZE.
8948 (size_lookup): Don't make it const.
8949 (ggc_alloc): Use OBJECT_SIZE.
8950 (ggc_set_mark): Likewise.
8951 (ggc_get_size): Likewise.
8952 (init_ggc): Set up the object_size_table, objects_per_page_table,
8953 and adjust size_lookup.
8954 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8955 (ggc_pop_context): Use NUM_ORDERS.
8956 (clear_marks): Likewise.
8957 (sweep_pages): Likewise.
8958 (poison_pages): Likewise.
8959 (ggc_print_statistics): Use OBJECT_SIZE.
8961 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8963 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8964 Only call array_size_for_constructor if last field and array type
8965 with no upper bound.
8967 2001-01-04 Philip Blundell <philb@gnu.org>
8969 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8970 from bit 31 downwards, if this requires no more insns.
8971 (count_insns_for_constant): New helper function for above.
8973 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8975 * gencodes.c (output_predicate_decls): Remove empty initializer.
8977 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8979 * tree.c (copy_node): Remove documentation about obstacks.
8980 (buidl1): Check that nobody tries to build 2-argument nodes this
8983 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8985 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8988 * gencodes.c (output_predicate_decls): Fill empty initializer
8991 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8993 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8994 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8996 (do_include): Handle missing headers like cpp0.
8997 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8998 paths with first include pathname. Don't strcat to uninitialized
9001 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9003 * regrename.c (regrename_optimize): Don't rename from frame pointer
9004 if frame_pointer_needed.
9005 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9006 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9007 (ia64_reorg): Use it instead of scheduling if ! optimize.
9008 (errata_emit_nops): Properly call asm_noperands.
9009 (ia64_sched_reorder): Finish cycle if we see an asm.
9010 (ia64_variable_issue): Clear scheduling state after asms.
9012 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9014 * cpp.texi: Update for -MT.
9015 * cppinit.c (initialize_dependency_output): Add a default
9016 target if none has been given already.
9017 (no_tgt, OPT_MT): New.
9018 (cpp_handle_option): Handle -MT. Update -M etc.
9019 * cpplib.h (struct cpp_options): Remove deps_target.
9020 * gcc.c (cpp_options): Handle -MT.
9021 * mkdeps.c (struct deps): Move from mkdeps.h.
9022 (deps_calc_target): Rename deps_add_default_target. Add a
9023 default target if none has been specified already.
9024 * mkdeps.h (struct deps): Move to mkdeps.c.
9025 (deps_calc_target): Rename deps_add_default_target.
9027 2000-01-03 Richard Henderson <rth@redhat.com>
9029 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9031 * c-typeck.c (push_init_level): Move checks for flexible array
9032 members and zero length arrays ...
9033 (pop_init_level): ... here. Silently discard empty initializations.
9035 * varasm.c (output_constructor): Update for sizeof change to
9038 * extend.texi (Zero Length): Clarify semantics.
9040 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9042 * configure.in (tm.h): Include isns-codes.h last.
9043 * configure: Rebuilt.
9045 2001-01-03 Richard Henderson <rth@redhat.com>
9047 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9048 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9050 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9052 * tradcpp.c (main): Make sure finclude() is called with a valid
9053 indepth value while handling -include.
9055 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9057 * gencodes.c (output_predicate_decls): New function.
9059 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9060 even if it is not the first time machmode.h is #included.
9061 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9062 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9063 * gcc.texi (Copyright): Added 2001.
9065 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9067 * c-common.c (c_common_lang_init): New function. Warn if format
9068 warning options which only have effects when used with -Wformat
9069 are used without -Wformat.
9070 * c-common.h (c_common_lang_init): Declare.
9071 * c-lang.c (lang_init): Call c_common_lang_init.
9072 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9074 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9076 * configure.in: Check for the mktemp command.
9077 * configure: Regenerate.
9078 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9079 $TEMP. Create temporary files with mktemp, if available at
9080 configure time; otherwise use set -C. Remove temporary files
9083 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9085 * configure.in: Require at least texinfo 4.0. Check for whether
9086 Pod::Man is sufficiently recent to regenerate GCC manpages.
9087 * configure: Regenerate.
9088 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9090 (GENERATED_MANPAGES): Define.
9091 (generated-manpages): New target. Depend on cpp.1 as well as
9093 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9094 configure to generated-manpages or empty) rather than on the
9095 manpages directly. Remove execute permission from installed
9096 gcov.1 as well as cpp.1.
9097 * cpp.1, gcov.1: Regenerate.
9099 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9101 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9102 tree_low_cst. Allow using cmpstrsi in more cases.
9104 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9106 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9109 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9111 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9112 * Makefile.in (HOST_CFLAGS): Mention build-make.
9114 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9116 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9119 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9121 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9124 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9127 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9128 reg_base_value and reg_known_value arrays.
9129 (init_alias_analysis): Add more cases to detect known values.
9130 * sched-deps.c (deps_may_trap_p): New function.
9131 (sched_analyze_2): Use it.
9133 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9135 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9136 don't discard an ASHIFTRT if we're shifting in a wider mode.
9138 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9140 * toplev.c (rest_of_compilation): Don't print basic block information
9141 when CFG isn't up to date.
9143 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9145 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9146 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9147 (UNALIGNED_SHORT_ASM_OP): Define.
9148 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9150 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9152 * fold-const.c (fold_convert): Fix typo.
9154 2001-01-02 Richard Henderson <rth@redhat.com>
9156 * c-common.h (ASM_INPUT_P): New.
9157 * c-parse.in (asm): Set it when needed.
9158 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9159 existance of an operand.
9161 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9163 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9164 (dwarf2out_frame_debug_expr): Likewise.
9165 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9167 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9169 * i386.c (ix86_split_to_parts): Return number of part required;
9171 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9173 (ix86_split_long_move): Use number of part returned
9174 by ix86_split_to_parts
9175 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9177 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9178 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9179 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9180 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9181 (ALIGN_MODE_128): Add TFmode.
9182 (IS_STACK_MODE): Likewise.
9183 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9184 (HARD_REGNO_OK): Support TFmodes.
9185 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9186 * i386.md (scheduler definitions): Use memory operand to determine
9187 fst/fld instructions; use mode attribute to determine real mode of
9189 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9190 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9192 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9194 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9196 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9198 * expr.c (store_constructor_field): Update ALIGN before calling
9201 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9203 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9206 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9208 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9211 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9213 * c-decl.c (start_function): Don't warn on third parameter to main.
9215 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9217 * tsystem.h: Define HAVE_DECL_GETOPT.
9219 2001-01-02 Philip Blundell <pb@futuretv.com>
9221 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9224 2001-01-02 Richard Henderson <rth@redhat.com>
9226 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9228 2001-01-02 Andreas Jaeger <aj@suse.de>
9230 * c-decl.c (c_decode_option): Remove support of
9233 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9234 (W_options): Add -Wmissing-noreturn here.
9236 * flow.c: Define lang_missing_noreturn_ok_p.
9237 (check_function_return_warnings): Use it.
9239 * c-common.h: Declare lang_missing_noreturn_ok_p.
9241 * c-lang.c (c_missing_noreturn_ok_p): New function.
9242 (lang_init): Set lang_missing_noreturn_ok_p.
9244 * invoke.texi (Warning Options): Document this.
9246 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9248 * extend.texi (C++ Extensions): New node for C++ attributes;
9249 describe init_priority and com_interface.
9250 * invoke.texi: Remove -finit-priority as it now has zero effect.
9251 * install.texi: Fix xref syntax.
9252 * md.texi: Likewise.
9254 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9256 * config.gcc (sparc64-wrs-vxworks*): New case.
9257 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9259 * config/sparc/sparc.c (sparc_override_options): Do support different
9260 pointer and architecture size.
9261 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9262 (POINTERS_EXTEND_UNSIGNED): Define.
9263 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9264 (FUNCTION_MODE): Define to be Pmode.
9265 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9267 * function.c (expand_function_end): Properly handle DECL_RESULT
9268 and copy when ptr_mode != Pmode.
9269 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9271 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9273 * c-common.c (c_common_nodes_and_builtins): Set prototype
9274 parameters for __builtin_fputs, __builtin_fputc and
9275 __builtin_fwrite. Don't declare plain fputc as a builtin.
9277 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9279 * loop.c (add_label_notes): Increment the label usage count when
9280 a note is added to an insn which refers to a CODE_LABEL.
9281 * gcse.c (add_label_notes): Likewise.
9283 2001-01-01 Andreas Jaeger <aj@suse.de>
9285 * loop.c (scan_loop): Use xmalloc to allocate movables.
9287 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9289 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9290 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9291 * reload1.c (REGISTER_MOVE_COST): Likewise.
9292 * regclass.c (REGISTER_MOVE_COST): Likewise.
9293 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9294 dimension. Adjust all users.
9295 (init_reg_sets_1): Iterate on all modes.
9296 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9297 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9298 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9299 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9300 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9301 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9302 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9303 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9304 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9305 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9306 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9307 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9308 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9309 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9310 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9311 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9312 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9313 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9314 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9315 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9316 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9317 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9318 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9319 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9320 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9321 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9322 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9324 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9326 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9327 arg VARIES_P. Call it with extra arg.
9328 (true_dependence): Likewise.
9329 * rtl.h (rtx_addr_can_trap_p): Declare.
9330 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9332 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9333 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9334 pic offset table register if it's zero. All callers changed.
9335 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9337 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9339 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9340 STRING_POOL_ADDRESS_P.
9342 * config/sparc/sparc.c (input_operand): Properly test for short op.
9344 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9345 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9346 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9347 * config/sparc/elf.h: No longer include sol2.h.
9348 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9349 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9351 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9353 2001-01-01 Michael Hayes <mhayes@redhat.com>
9355 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9356 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9357 (record_initial): Likewise.
9358 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9359 (remap_split_bivs): Likewise.
9361 2001-01-01 Michael Hayes <mhayes@redhat.com>
9363 * loop.c (loop_ivs_free): New function.
9364 (strength_reduce): Break out from...
9366 2001-01-01 Michael Hayes <mhayes@redhat.com>
9368 * loop.h (struct iv): New.
9369 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9370 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9371 'reg_biv_class' fields with 'regs' and 'n_regs'.
9372 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9373 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9374 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9376 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9378 * resource.c (mark_referenced_resources): Abort() before
9379 attempting to mark a pseudo register.
9380 (mark_set_resources): Likewise.
9382 2001-01-01 Michael Hayes <mhayes@redhat.com>
9384 * loop.h (REG_IV_CLASS): New accessor macro.
9385 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9386 * unroll.c (REG_IV_CLASS): Likewise.
9388 See ChangeLog.4 for earlier changes.