1 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
5 (___subdi3, ___adddi3): Use x instead of y as index register.
6 (__init_bss_section, __map_data_section): Optimize for 68HC12.
7 (__memset, __memcpy): Likewise.
8 (regs): Put the soft registers in bss for 68HC12.
9 (abort): Use trap to abort for 68hc12.
10 (__mulhi3, __mulhi32): Use emul for 68hc12.
11 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
13 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
16 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
17 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
18 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
19 Set 68HC12 min offset to -65536.
20 (print_operand): Put parenthesis arround the operand if it refers
21 to a symbol having the same name as a register.
22 (m68hc11_z_replacement): When z register is replaced by its
23 equivalent soft register, force the insn to be re-recognized.
24 (m68hc11_check_z_replacement): Fix the test when destination is
25 the index register and z dies in the insn.
26 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
28 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
30 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
31 costs according to processor variant.
32 (m68hc11_shift_cost): New function to compute shift costs.
33 (m68hc11_rtx_costs): Define costs according to processor variant.
34 (m6811_cost): Costs for 68HC11.
35 (m6812_cost): Costs for 68HC12.
36 (COSTS_N_INSNS): Remove.
38 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
39 (DEFAULT_RTX_COSTS): Remove.
40 (CONST_COSTS): Define costs according to OUTER_CODE.
41 (processor_costs): New struct to define costs.
42 (m68hc11_cost): Pointer to current costs.
44 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
46 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
47 and use m68hc11_notice_keep_cc when using leax/leay.
48 (addhi3 split): Reject split if the insn is handled by
50 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
51 push must be handled in a special way if the source operand uses
53 (m68hc11_notice_keep_cc): New function.
54 (m68hc11_gen_movhi): Use it when an insn changes a register but
56 (m68hc11_gen_movqi): Fix move for 68HC12.
57 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
59 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
61 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
62 and don't pass operands[0] to emit_library_call_value.
64 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
66 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
67 (zero_extendsi split): Simplify and use (zero_extendhi).
68 (*addhi3): Remove 'w' constraint since stack pointer is handled
70 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
71 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
72 (*ashrhi3_const): Fix shift by 7.
73 (*lshrsi3_const16): Fix template.
74 (call, call_value): Fix constraint and predicate.
76 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
78 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
79 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
80 (CC_REGNUM): Likewise.
81 (*unnamed splits): Use above constants instead of hard coded numbers.
82 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
83 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
84 (*return_16bit, *unnamed peepholes): Likewise.
86 2001-05-03 David O'Brien <obrien@FreeBSD.org>
88 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
89 rs6000/rs6000.h twice.
91 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
93 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
94 (CPP_SPEC): Conditionally define MSDOS and GO32.
95 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
96 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
98 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
100 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
102 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
104 2001-05-03 Mark Mitchell <mark@codesourcery.com>
106 * integrate.h (struct inline_remap): Add leaf_reg_map table.
107 * integrate.c (expand_inline_function): Use xcalloc to allocate
109 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
112 2001-05-03 Mark Mitchell <mark@codesourcery.com>
114 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
117 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
119 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
120 linker if -mrelax is given.
121 (TARGET_SWITCHES): Document -mrelax.
123 Re-installed 2001-01-09's patch:
124 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
125 if it's wider than long and the target's long is wider than the
128 2001-05-02 David O'Brien <obrien@FreeBSD.org>
130 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
131 directly include rs6000/rs6000.h. Instead do it in tm.h.
133 2001-05-02 Stan Shebs <shebs@apple.com>
135 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
136 NSConstantString for NeXT-style runtimes.
137 (STRING_OBJECT_GLOBAL_NAME): New macro.
138 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
139 OCTI_STRING_CLASS_DECL.
140 (constant_string_global_id): New macro.
141 (string_class_decl): Ditto.
142 (setup_string_decl): New function.
143 (build_objc_string_object): Use it to build a NeXT runtime
144 compatible string initializer.
146 2001-05-02 Jakub Jelinek <jakub@redhat.com>
148 * tradcpp.c (do_define): Make sure we don't walk past limit.
150 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
152 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
153 offsets if not REG_OK_STRICT.
155 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
156 (INT_REG_OK_FOR_INDEX_P): Likewise.
157 (INT_REG_OK_FOR_BASE_P): Likewise.
158 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
159 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
160 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
161 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
162 REG_OK_FOR_BASE_P. Take an additional parameter.
163 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
164 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
165 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
166 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
167 rs6000_legitimate_address() and use it.
168 * config/rs6000/rs6000.c: Update all callers.
169 (rs6000_legitimate_address): New function.
171 2001-05-02 David Edelsohn <edelsohn@gnu.org>
173 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
174 special_constant conditional blocks together.
176 2001-05-02 Dale Johannesen <dalej@apple.com>
178 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
180 (STRICT_ARGUMENT_NAMING): Define.
181 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
182 function_arg_partial_nregs, setup_incoming_varargs): Remove
183 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
186 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
188 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
190 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
193 * expr.c (store_field): Do nothing except elaborate side-effects if
196 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
198 * c-lex.c: NULL_PTR -> NULL.
200 * emit-rtl.c: Likewise.
202 * genpeep.c: Likewise.
204 * mips-tdump.c: Likewise.
205 * reload1.c: Likewise.
206 * rtlanal.c: Likewise.
208 * stor-layout.c: Likewise.
209 * toplev.c: Likewise.
211 2001-05-01 Per Bothner <per@bothner.com>
213 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
214 call do_pending_stack_adjust before emiting label.
216 2001-05-01 Mark Mitchell <mark@codesourcery.com>
218 * extend.texi: Fix typo.
220 2001-05-01 Stan Shebs <shebs@apple.com>
222 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
223 of UOBJC_MODULES_decl.
224 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
225 (generate_descriptor_table): Ditto.
226 (generate_protocols): Ditto.
227 (generate_protocol_list): Ditto.
228 (generate_classref_translation_entry): Ditto.
230 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
232 * invoke.texi (Optimize Options): Add documentation for `--param
233 max-delay-slot-insn-search' and `--param
234 max-delay-slot-live-search' and reorder --param section.
235 * params.def: Modify initial comment.
236 * params.h (param_info): Add `help' member.
237 * toplev.c (lang_independent_params): Include `help' description.
238 (display_help): Print --param parameters.
240 2001-05-01 Zack Weinberg <zackw@stanford.edu>
242 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
243 Remove references to deleted files.
244 (*-*-openbsd): No need to override xmake_file.
245 (*-*-sysv4): Treat like *-*-sysv.
247 * configure.in: Probe for ldopen in various places, and set up
248 collect2 to be linked with them if found.
249 Don't dink with Windows registry stuff unless $host_os is a
250 Win32 os name. Check to see if we need -ladvapi32.
251 * configure: Regenerate.
253 * Makefile: Get rid of CLIB and HOST_CLIB.
254 Substitute in COLLECT2_LIBS and link collect2 against its contents.
255 * build-make: Get rid of HOST_CLIB.
257 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
258 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
259 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
260 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
261 config/rs6000/x-rs6000: Delete.
263 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
266 24 x-host fragments remain, 0 x-cpu, 3 top level.
268 2001-05-01 Zack Weinberg <zackw@stanford.edu>
270 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
271 * configure: Regenerate.
273 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
275 * Makefile.in (install-headers): Remove redundant dependency.
277 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
279 * c-tree.texi (USING_STMT): Document.
281 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
283 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
284 * c-common.c: Likewise.
285 * c-decl.c: Likewise.
286 * combine.c: Likewise.
287 * rs6000.c: Likewise.
288 * except.c: Likewise.
289 * explow.c: Likewise.
291 * fold-const.c: Likewise.
292 * function.c: Likewise.
295 * integrate.c: Likewise.
297 * objc/objc-act.c: Likewise.
299 * reg-stack.c: Likewise.
300 * reload.c: Likewise.
301 * reload1.c: Likewise.
302 * simplify-rtx.c: Likewise.
304 * varasm.c: Likewise.
306 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
308 * diagnostic.def: New file.
309 * diagnostic.h (diagnostic_t): New enum.
310 * Makefile.in (diagnostic.o): Depend on diagnostic.def
312 2001-04-30 Zack Weinberg <zackw@stanford.edu>
314 * tsystem.h: Test only POSIX for availability of string.h
316 * config.gcc (all systems): If USG appeared in xm_defines,
317 change it to POSIX. If both USG and POSIX appeared, just
318 delete USG. Remove unnecessary quotes around xm_defines
320 (m68k-crds-unos*): Don't #define unos - tested nowhere.
321 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
322 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
323 powerpc-*-linux*): No need to set xm_defines - handled by
324 global settings for *-*-linux*.
326 2001-04-30 Zack Weinberg <zackw@stanford.edu>
328 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
329 Always include gstab.h, not system stab.h. Don't provide
330 default definitions of N_CATCH or N_OPT. Always use the
331 gstab.h variant of STAB_CODE_TYPE.
332 * final.c: Don't include stab.h/gstab.h at all, or provide
333 defaults for N_SLINE and N_SOL.
335 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
336 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
338 * sdbout.c: Always include gsyms.h instead of system syms.h.
340 * configure.in: No need to check for stab.h.
341 * configure, config.in: Regenerate.
342 * Makefile.in (final.o): Don't depend on gstab.h.
344 2001-04-30 Mark Mitchell <mark@codesourcery.com>
345 Richard Henderson <rth@redhat.com>
347 * extend.texi: Improve documentation of volatile asms.
349 2001-04-30 Mark Mitchell <mark@codesourcery.com>
351 * c-tree.texi: Fix thinko.
352 * gcc.texi: Likewise.
354 2001-04-30 Richard Henderson <rth@redhat.com>
356 * c-common.c (c_promoting_integer_type_p): New function, from the
357 corpse of old macro. Properly promote too-small enumerations and
358 booleans. Adjust all callers.
359 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
360 (c_promoting_integer_type_p): Declare.
361 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
362 * c-typeck.c: Likewise.
363 (default_conversion): Remove now redundant boolean check.
365 2001-04-30 Jan Hubicka <jh@suse.cz>
366 Richard Henderson <rth@redhat.com>
368 * regmove.c (try_apply_stack_adjustment): Remove now redundant
370 (combine_stack_adjustments_for_block): Don't combine stack
371 allocation followed by deallocations. Handle grow-up stacks.
373 2001-04-30 Mark Mitchell <mark@codesourcery.com>
375 * fdl.texi: New file.
376 * c-tree.texi: Use the GFDL.
377 * gcc.texi: Likewise.
379 2001-04-30 Stan Shebs <shebs@apple.com>
381 * invoke.texi: Add a section documenting Objective-C options.
383 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
385 * emit-rtl.c (try_split): Copy EH notes to sequence.
387 2001-04-30 Mark Mitchell <mark@codesourcery.com>
389 * regmove.c (record_stack_memrefs): Catch all references to the
392 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
394 * Makefile.in(stmp-fixinc): quote shell assignment values
396 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
398 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
402 * prefix.c: Likewise.
404 2001-04-28 Stan Shebs <shebs@apple.com>
406 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
407 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
408 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
409 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
411 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
412 (NEXT_OBJC_RUNTIME): Define.
414 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
416 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
417 * simplify-rtx.c (simplify_gen_relational): Likewise.
419 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
421 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
422 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
424 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
425 registers in SSE case; fix handling of the immediates.
426 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
427 operands to be in regsiters before reload.
428 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
429 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
430 (abstf,absxf,negtf,negxf splitters): Compute
431 properly the regnum for x86_64.
432 (avsdf2_if_rex64): New.
434 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
436 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
437 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
438 into the constant pool.
439 * jump.c (jump_optimize_1): Remove barrier successors after all
440 the LABEL_NUSES counds have been computed.
441 (delete_barrier_successors): When deleting a tablejump insn, also
442 delete the jump table it uses.
443 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
446 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
448 * pa.c (FRP): Remove erroneous white space in macro definition.
450 2001-04-28 Andreas Jaeger <aj@suse.de>
452 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
454 * extend.texi: Likewise.
457 2001-04-28 Andreas Jaeger <aj@suse.de>
459 * md.texi: Use XX-bit instead of XXbit or XX bit where
462 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
464 * gcc.c (process_command): Allow -l lib in addition to -llib
465 for POSIX compliance. This fixes PR c/2347.
467 * invoke.texi: Update section on Link Options accordingly.
469 2001-04-27 Zack Weinberg <zackw@stanford.edu>
471 * function.c (purge_addressof_1): Remove the duplicate
472 if (code == SET) block. Fold the two if (code == ADDRESSOF)
475 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
477 * except.c (expand_eh_region_start): Don't start a new block.
478 (expand_eh_region_end): Don't end a block.
479 * stmt.c (expand_end_bindings): Don't end EH blocks.
480 (expand_decl_cleanup): Starting an EH region won't change the block.
481 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
482 (is_eh_region): Lose.
485 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
487 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
489 * collect2.c (main): Add `-L' case to remove duplicate entries.
490 (is_in_args): New function to check for a duplicate argument.
491 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
492 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
493 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
494 Define to be nonzero.
496 2001-04-27 Andreas Jaeger <aj@suse.de>
497 Richard Henderson <rth@redhat.com>
499 * md.texi (Machine Constraints): Document additional i386
500 constraints and fix description of "A".
502 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
504 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
506 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
508 * except.c (get_exception_filter): word_mode, not Pmode.
510 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
512 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
513 common to other movsf patterns. Move up so that in future
514 people who change the other patterns will change it too.
515 (movsf_lo_sum): Allow even for soft-float; add appropriate
517 (movsf_high): Likewise.
518 (movsf_high+1): Allow even for soft-float.
520 * function.c (expand_function_end): Always clobber the
521 return registers, even if there is no return label.
523 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
525 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
527 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
529 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
530 (pushqi2_rex64, pushhi2_rex64): Add.
532 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
534 * except.c (expand_eh_region_end_cleanup): Force pending stack
535 adjust before emitting label that branches around cleanup code.
537 2001-04-26 H.J. Lu (hjl@gnu.org)
539 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
541 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
543 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
544 (ASM_OUTPUT_SECTION_NAME): Likewise.
545 (ASM_WEAKEN_LABEL): Likewise.
546 (UNIQUE_SECTION): Likewise.
547 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
548 (ASM_OUTPUT_DESTRUCTOR): Likewise.
549 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
550 (ASM_OUTPUT_SECTION_NAME): Likewise.
551 (ASM_WEAKEN_LABEL): Likewise.
552 (UNIQUE_SECTION): Likewise.
553 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
554 (ASM_OUTPUT_DESTRUCTOR): Likewise.
555 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
556 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
557 (ASM_FILE_START): Likewise.
558 (ASM_OUTPUT_SOURCE_LINE): Likewise.
559 (ASM_DECLARE_OBJECT_NAME): Likewise.
560 (ASM_FILE_END): Likewise.
561 (ASM_DECLARE_FUNCTION_NAME): Likewise.
562 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
563 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
564 (ASM_OUTPUT_CASE_LABEL): Likewise.
565 (ASM_OUTPUT_SKIP): Likewise.
566 (ASM_OUTPUT_ASCII): Likewise.
567 (ASM_OUTPUT_IDENT): Likewise.
568 (READONLY_DATA_SECTION): Likewise.
569 (EXTRA_SECTIONS): Likewise.
570 (EXTRA_SECTION_FUNCTIONS): Likewise.
571 (SELECT_RTX_SECTION): Likewise.
572 (SELECT_SECTION): Likewise.
574 * config/mips/linux.h (INVOKE__main): Undefine.
575 (CTOR_LIST_BEGIN): Likewise.
576 (CTOR_LIST_END): Likewise.
577 (DTOR_LIST_BEGIN): Likewise.
578 (DTOR_LIST_END): Likewise.
579 (SET_ASM_OP): Defined it to ".dummy".
580 (ASM_OUTPUT_DEF): Defined.
581 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
583 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
585 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
586 assembler supports .p2align.
588 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
590 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
592 2001-04-26 Jakub Jelinek <jakub@redhat.com>
594 * integrate.c (expand_inline_function): Check for error_mark_node
597 2001-04-26 Jakub Jelinek <jakub@redhat.com>
599 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
602 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
604 * configure.in (configargs.h): Define thread_model.
605 * configure: Rebuilt.
606 * gcc.c (main): Print it with -v.
608 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
610 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
611 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
614 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
616 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
617 is_redundant_typedef): Use static inline instead of inline static.
619 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
621 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
622 this directory is always searched.
624 2001-04-25 Richard Henderson <rth@redhat.com>
626 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
627 of registers to restore along non eh_return path.
629 2001-04-25 Jakub Jelinek <jakub@redhat.com>
631 * c-format.c (check_format_info_recurse): Handle
632 PLUS_EXPR for format string.
634 2001-04-25 Jakub Jelinek <jakub@redhat.com>
636 * config/ia64/ia64.h (CC1_SPEC): Define.
637 * config/ia64/linux.h (CC1_SPEC): Define.
639 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
641 * emit-rtl.c (constant_subword): Also do sign extension in
642 BITS_PER_WORD == 16 case.
644 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
646 * loop.c (try_swap_copy_prop): Go back to checking insn.
648 2001-04-25 Jakub Jelinek <jakub@redhat.com>
650 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
651 if check_mode is non-zero.
653 2001-04-25 Jakub Jelinek <jakub@redhat.com>
655 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
656 out and comparison sequence has been detected, put result into
657 proper temporary pseudo.
659 2001-04-24 Zack Weinberg <zackw@stanford.edu>
661 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
662 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
663 * libgcc2.c: Remove __dummy and __builtin_saveregs.
664 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
665 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
666 for future reference.
668 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
670 * except.c (reachable_handlers): Step out one level from a RESX.
672 * except.c (struct eh_region): Rename 'last' to 'resume'.
673 (mark_eh_region, duplicate_eh_region_1): Adjust.
674 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
675 (build_post_landing_pads): Likewise.
676 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
677 (expand_eh_region_end_must_not_throw): Likewise.
678 (connect_post_landing_pads): Thread (only) regions with non-deleted
681 * except.c (expand_eh_region_end_cleanup): Save the EH return data
682 registers around the cleanup.
683 (get_exception_filter): New fn.
684 (finish_eh_generation): Use it.
686 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
688 * c-semantics.c (add_scope_stmt): Don't call
689 current_scope_stmt_stack multiple times.
691 2001-04-24 Zack Weinberg <zackw@stanford.edu>
692 Nathan Sidwell <nathan@codesourcery.com>
694 Lazy __FUNCTION__ generation.
695 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
696 RID_C99_FUNCTION_NAME): New _RIDs.
697 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
698 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
699 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
701 (function_id_node, pretty_function_id_node, func_id_node): Remove.
702 (c99_function_name_decl_node, function_name_decl_node,
703 pretty_function_name_decl_node, saved_function_name_decls):
705 (struct language_function): Remove x_function_name_declared_p.
706 (make_fname_decl): Remove a parameter.
707 (declare_function_names): Remove prototype.
708 (start_fname_decls, finish_fname_decls): Prototype.
709 (fname_as_string): Likewise.
710 (fname_string, fname_decl): Likewise.
711 * c-common.c (make_fname_decl): Adjust.
712 (struct fname_var_t): New struct.
713 (fname_vars): New static array.
714 (declare_function_name): Remove.
715 (start_fname_decls, finish_fname_decls): New functions.
716 (fname_as_string): New function from remnants of
717 declare_function_name.
718 (fname_string, fname_decl): New functions.
720 * c-decl.c (c_function_name_declared_p): Remove.
721 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
722 don't call declare_function_name. Call start_fname_decls.
723 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
724 clobber the line number. Call finish_decl.
725 (start_function): Call start_fname_decls.
726 (finish_function): Call finish_fname_decls.
727 Remove c_function_name_declared_p.
728 (push_c_function_context): Don't push c_function_name_declared_p.
729 (pop_c_function_context): Don't pop c_function_name_declared_p.
730 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
731 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
732 (program): Call finish_fname_decls for C.
733 (primary): Add VAR_FUNC_NAME.
734 (reswords): Add slots for __FUNCTION__ et al.
735 (rid_to_yy): Add mappings for __FUNCTION__ et al.
736 (yylexname): If it's a STRING_FUNC_NAME generate the function name
737 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
738 * c-semantics.c (prune_unused_decls): Remove.
739 (finish_stmt_tree): Don't call prune_unused_decls.
740 (genrtl_decl_stmt): Don't prune unused decls here.
742 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
744 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
745 constant pool, use the pool's SYMBOL_REF instead.
747 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
750 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
752 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
753 passing nested NOP_EXPRs to fold.
755 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
757 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
759 2001-04-22 Mark Mitchell <mark@codesourcery.com>
761 * loop.c (loop_delete_insns): Add prototype.
763 2001-04-23 Phil Edwards <pme@sources.redhat.com>
765 * configure.in: Remove ENABLE_STD_NAMESPACE.
766 * config.in: Regenerated.
767 * configure: Regenerated.
769 2001-04-22 Stan Shebs <shebs@apple.com>
771 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
773 * config/rs6000/xm-darwin.h: Remove file.
775 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
777 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
778 (write_c_file_stat): Likewise.
780 * dbxout.c (dbxout_init): Likewise.
782 * profile.c (output_func_start_profiler): Likewise.
784 2001-04-22 Philipp Thomas <pthomas@suse.de>
786 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
787 require it instead of the CVS version.
788 * cpperror.c (v_message): Put a blank before the macro
789 body to not confuse exgettext.
791 2001-04-21 Mark Mitchell <mark@codesourcery.com>
793 * flow.c (proagate_one_insn): Remove useless assignment.
794 * jump.c (delete_insn): Tidy.
795 * loop.c (try_copy_prop): When deleting an instruction with a
796 REG_RETVAL note, delete the entire libcall sequence.
797 (loop_delete_insns): New function.
798 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
799 we're not substituting into them yet.
801 2001-04-21 Kazu Hirata <kazu@hxi.com>
803 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
805 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
807 * config/i960/i960.c (signed_arith_operand): Likewise.
809 * calls.c (expand_call): Fix a comment typo.
811 2001-04-20 Zack Weinberg <zackw@stanford.edu>
813 * configure.in: Probe for times, clock, struct tms, and clock_t.
814 * configure, config.in: Regenerate.
815 * timevar.c: Replace ifdef forest in get_time with (relatively)
816 straightforward series of checks based on autoconf's probes.
818 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
820 * config/pa/som.h (NM_FLAGS): Define.
822 2001-04-20 Bernd Schmidt <bernds@redhat.com>
824 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
826 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
827 * ia64.c (nop_cycles_until): New function.
828 (prev_cycle, prev_first, last_issued): New static variables.
829 (ia64_sched_reorder): Additional arg for clock.
830 On final scheduling pass, emit extra NOPs as needed.
831 Set prev_first and prev_cycle.
832 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
833 (ia64_variable_issue): Set last_issued.
835 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
837 * config/i386/i386.c (ix86_expand_int_movcc,
838 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
840 2001-04-20 Geoff Keating <geoffk@redhat.com>
842 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
843 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
844 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
845 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
846 ctrdi_internal6): In the short-branch case, this insn is only 4
847 bytes long. Reported by Reza Yazdani <reza@apple.com>.
849 2001-04-20 Jakub Jelinek <jakub@redhat.com>
851 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
852 "=u" is used together with "st" resp. "st(1)" clobber.
854 2001-04-20 Jakub Jelinek <jakub@redhat.com>
856 * gcse.c (gcse_main): Fix comment typo.
857 (delete_null_pointer_check): Likewise.
858 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
859 * cse.c (cse_insn): Likewise.
860 * function.c (fixup_var_refs_insns_with_hash): The sequence is
863 2001-04-19 Zack Weinberg <zackw@stanford.edu>
865 * toplev.c: Excise all code for the undocumented -dm option.
866 (float_signal): Call signal just once, unconditionally.
868 2001-04-19 Geoff Keating <geoffk@redhat.com>
870 * fold-const.c (fold): Use first_rtl_op rather than
871 TREE_CODE_LENGTH when looping over parameters of a tree.
872 Correct strange grouping in test for evaluated SAVE_EXPR.
874 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
876 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
877 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
879 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
880 name at 32 total characters.
881 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
882 functions in named sections -- data items can still go into unique
883 sections, but they have normal names (ie $LIT$ and $DATA$).
885 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
888 2001-04-19 DJ Delorie <dj@redhat.com>
890 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
891 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
892 * config/i386/cygwin.h: Likewise.
893 * config/i386/mingw32.h: Likewise.
894 * config/vax/vms.h: Likewise.
895 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
897 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
898 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
899 * config/i386/xm-cygwin.h: Likewise.
900 * config/i386/xm-djgpp.h: Likewise.
901 * config/i386/xm-mingw32.h: Likewise.
902 * config/vax/xm-vms.h: Likewise.
904 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
905 instead of OBJECT_SUFFIX.
906 * collect2.c (find_a_file): Look for files matching the extension
907 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
908 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
909 TARGET_EXECUTABLE_SUFFIX.
910 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
911 (make_relative_prefix): Likewise.
912 (convert_filename): Use TARGET_ suffixes throughout. Remove
914 (process_command): Likewise.
915 (do_spec_1): Likewise.
916 * java/lang.c (init_parse): Likewise.
918 * gcc.texi : Document four new options matching the pattern
919 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
920 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
921 documentation for NO_AUTO_EXE_SUFFIX.
923 2001-04-19 Mark Mitchell <mark@codesourcery.com>
925 * toplev.h (struct lang_hooks): Allow decode_option to indicate
926 that language-independent processing should not be done.
927 * toplev.c (main): Adjust accordingly.
929 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
930 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
932 * mips.md (reload_outputdi): Require that operand0 be a
935 2001-04-19 Jakub Jelinek <jakub@redhat.com>
937 * invoke.texi (-Wshadow): Clarify.
939 2001-04-18 Mark Mitchell <mark@codesourcery.com>
941 * loop.c (load_mems): Examine all the instructions in the loop
942 before concluding that all jumps branch to the first instruction
945 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
947 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
949 2001-04-18 Jakub Jelinek <jakub@redhat.com>
951 * cpp.texi (-Wwhite-space): Remove.
952 (-Wall): -Wall does not imply -Wwhite-space.
954 2001-04-17 Zack Weinberg <zackw@stanford.edu>
956 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
957 use it instead of blindly generating a .stabs.
958 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
960 * xcoffout.c: Don't bother defining default for N_CATCH.
961 (UNKNOWN_STAB): Use internal_error.
962 (stab_to_sclass): Remove now-unnecessary aborts.
963 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
965 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
967 * jump.c (mark_all_labels): Canonicalize the tail recursion
968 label attached to CALL_PLACEHOLDER insns.
970 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
972 * output.h (dump_flow_info, free_basic_block_vars,
973 which_alternative): Delete redundant prototypes.
975 * rtl.h (bss_section): Likewise.
977 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
979 * dbxout.c (N_OPT): Define if not available from <stab.h>
981 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
983 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
984 libraries and native K&R compilers.
986 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * c-typeck.c (convert_arguments): Don't check for width changes
991 * invoke.texi (-Wtraditional): Update documentation.
993 2001-04-16 Zack Weinberg <zackw@stanford.edu>
995 * toplev.c (output_lang_identify): Delete.
996 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
997 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
998 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
999 after calling ASM_FILE_END.
1001 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1002 Instead, unconditionally emit an N_OPT stab with string equal
1003 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1005 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1007 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1008 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1009 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1010 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1011 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1012 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1013 config/i370/i370.h, config/i386/beos-elf.h,
1014 config/i386/osf1elf.h, config/i386/osfrose.h,
1015 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1016 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1017 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1018 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1019 config/mips/iris6.h, config/mips/osfrose.h,
1020 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1021 config/sparc/sp64-elf.h:
1022 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1023 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1025 * config/elfos.h, config/freebsd.h, config/linux.h,
1026 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1027 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1028 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1029 of ASM_FILE_START which merely emit a .version directive. Delete
1030 definitions of ASM_FILE_END which merely emit an .ident directive.
1032 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1033 ASM_IDENTIFY_GCC and move part of its logic into
1036 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1037 config/sparc/linux-aout.h: Don't emit .version directive in
1040 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1041 (output_file_start): Correct comment.
1043 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1044 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1046 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1047 * config/rs6000/aix.h: Correct comment.
1049 * config/i386/i386afe.h: Delete.
1050 * config.gcc: Remove references to i386afe.h.
1052 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1053 other macros deleted by this patch were undocumented.
1055 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1057 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1059 * pa.c (secondary_reload_class): SAR<->FP copies require a
1062 * install.texi (mips-mips-bsd): Update list of functions
1063 required to include memmove.
1064 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1065 used functions to include memmove.
1067 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1069 * i386.md (sqrtdf2): SFmode should be DFmode.
1071 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1073 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1074 (find_moveable_store): Likewise.
1076 2001-04-15 Jim Wilson <wilson@redhat.com>
1078 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1080 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1082 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1083 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1085 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1087 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1090 2001-04-14 Alan Modra <amodra@one.net.au>
1092 * pa.c (force_mode): New function.
1093 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1095 2001-04-13 Jim Wilson <wilson@redhat.com>
1097 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1098 (first_instruction): New static variable.
1099 (rtx_needs_barrier): Return 1 for alloc.
1100 (init_insn_group_barriers): Set first_instruction.
1101 (rws_sum): Delete duplicate definition.
1102 (group_barrier_needed_p): Return 0 when first_instruction true.
1103 (safe_group_barrier_needed_p): Save and restore first_instruction
1104 around group_barrier_needed_p call.
1106 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1108 * expr.h (enum libfunc_index): Add LTI_memmove.
1109 (memmove_libfunc): Define macro.
1110 * optabs.c (init_optabs): Initialize memmove_libfunc.
1111 * expr.c (expand_assignment): Use memmove_libfunc instead of
1114 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1116 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1119 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1121 * Makefile.in (reg-stack.o): Depend on reload.h.
1122 (insn-attrtab.o): Depend on flags.h.
1124 * genattrtab (main): Include flags.h in insn-attrtab.c.
1126 * reg-stack.c: Include reload.h.
1128 * sparc.h (flag_pic): Delete redundant declaration.
1130 * output.h (flag_pic): Likewise.
1132 * tree.h (pedantic): Likewise.
1134 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1136 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1138 * jump.c, regmove.c, toplev.c: Include reload.h.
1140 * reload.h (reload_cse_regs): Declare.
1142 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1143 reload_cse_regs, init_reload, mark_home_live, reload,
1144 init_caller_save): Delete redundant prototypes.
1146 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1148 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1150 * regclass.c, ssa.c: Include expr.h.
1152 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1153 gen_move_insn): Delete redundant declarations.
1155 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1157 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1158 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1159 MAKEINFO and MAKEINFOFLAGS too.
1160 (stage4_build): Correctly order -B flags.
1162 2001-04-13 Alan Modra <amodra@one.net.au>
1164 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1165 PIC_OFFSET_TABLE_SAVE_RTX.
1166 (zdepi_cint_p): Describe zdepi insn.
1167 Formatting and white space fixes throughout file.
1169 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1170 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1171 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1172 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1173 (output_64bit_and): Use plain `int's for shift counts.
1174 (output_64bit_ior): Likewise.
1175 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1176 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1179 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1180 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1181 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1182 NEW_HP_ASSEMBLER into one. Kill warnings.
1184 * pa-gas.h: Delete file.
1185 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1186 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1187 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1188 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1190 * config/pa/mill32.S: New file.
1191 * config/pa/mill64.S: New file.
1192 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1193 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1194 * config/pa/t-linux64: New file.
1195 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1196 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1197 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1199 * elfos.h (SELECT_SECTION): Undef before defining.
1200 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1201 (LIB_SPEC): Remove -lmilli.
1202 (DBX_REGISTER_NUMBER): Remove.
1203 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1204 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1205 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1206 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1207 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1208 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1209 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1210 TARGET_GAS): Define.
1211 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1212 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1213 regs if we don't have a prototype.
1214 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1215 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1216 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1217 EH_RETURN_HANDLER_RTX): Define.
1218 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1219 (DWARF_FRAME_REGNUM): Define.
1220 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1221 * pa32-linux.h: New file.
1222 * pa64-linux.h: New file.
1224 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1225 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1226 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1227 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1228 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1229 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1230 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1231 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1232 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1233 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1234 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1235 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1236 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1237 * pa64-hpux.h: New file.
1238 (ASM_FILE_START): Correct typo.
1239 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1240 * config.gcc: Modify for above.
1242 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1244 * jump.c (jump_optimize_1): Don't delete dead stores here.
1245 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1246 prior to running jump optimize before cse2.
1248 2001-04-12 Richard Henderson <rth@redhat.com>
1250 * Makefile.in (regmove.o): Depend on except.h.
1251 * regmove.c: Include it.
1253 2001-04-12 Stan Shebs <shebs@apple.com>
1255 * objc/objc-act.c: Remove all code ifdefed with the never-used
1256 macro OBJC_INT_SELECTORS.
1257 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1258 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1260 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1262 * config/pa/quadlib.c: Add prototypes.
1264 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1266 * bitmap.h (debug_bitmap): Delete redundant prototype.
1268 * rtl.h (get_frame_size): Likewise.
1270 2001-04-12 Jim Wilson <wilson@redhat.com>
1272 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1273 to just emit an fnorm.
1275 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * c-common.h (truthvalue_conversion, type_for_mode,
1278 type_for_size): Delete redundant declarations.
1280 * c-lex.h (is_class_name): Likewise.
1282 * c-tree.h (pedantic, convert, getdecls, gettags,
1283 global_bindings_p, init_decl_processing, insert_block,
1284 maybe_build_cleanup, poplevel, print_lang_decl,
1285 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1286 set_block, incomplete_type_error, build_function_call,
1287 lvalue_or_else, mark_addressable): Likewise.
1289 * expr.h (expand_tree_builtin): Likewise.
1291 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1293 * invoke.texi: Document --param max-gcse-memory.
1295 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1297 * configure.in (errno): Check for declaration.
1298 * configure, config.in: Regenerated.
1300 * system.h (errno): Only declare if not already done.
1302 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1304 * recog.c (general_operand, immediate_operand,
1305 nonmemory_operand): Require CONST_INTs to be sign-extended
1306 values for their modes.
1308 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1310 * expmed.c (store_bit_field): Truncate CONST_INTs.
1311 (expand_mult_highpart, expand_divmod): Likewise.
1312 * expr.c (convert_modes, store_field): Likewise.
1313 * integrate.c (expand_inline_function): Use promote_mode() to
1314 determine whether to convert_modes() an argument as signed
1316 * optabs.c (expand_binop): Get CONST_INT operands
1317 sign-extended for their appropriate modes.
1318 * stmt.c (emit_case_nodes): Convert node values to the
1320 (expand_end_case): Convert minval and range to the appropriate
1322 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1323 the iteration variable.
1324 * varasm.c (immed_double_const): Don't require words to be
1325 narrower than host wide ints to properly sign-extend
1328 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1330 * sh.md (builtin_setjmp_receiver): New expander.
1332 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1334 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1335 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1336 for generating CONST_INT and CONST_DOUBLE.
1338 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1340 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1341 already sign-extended.
1342 (rs6000_emit_prologue): Make register iterator signed.
1343 (rs6000_emit_epilogue): Likewise.
1344 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1346 (movsf split, movdf split): Sign-extend CONST_INTs.
1347 (movdi splits): Likewise.
1349 2001-04-12 Kelley Cook <kelley.cook@home.com>
1351 * config-lang.in (lang_dirs): Add in zlib.
1353 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1355 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1356 operands that make it to RTL.
1358 2001-04-11 Stan Shebs <shebs@apple.com>
1360 Add Darwin (Mac OS X kernel) native support.
1361 * config.gcc (powerpc-*-darwin*): Add native bits.
1362 * config/darwin.c: New file, generic Darwin support functions.
1363 * config/darwin.h: New file, generic Darwin definitions.
1364 * config/darwin-protos.h: New file, generic Darwin prototypes.
1365 * rs6000/darwin.h: New file, Darwin for PowerPC.
1366 * rs6000/t-darwin: New file, Darwin makefile fragment.
1367 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1368 (TARGET_MACHO): Ditto.
1369 (rs6000_abi): Add ABI_DARWIN.
1370 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1371 (RS6000_SAVE_AREA): Ditto.
1372 (FP_ARG_MAX_REG): Ditto.
1373 (RETURN_ADDRESS_OFFSET): Ditto.
1374 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1376 (rs6000_emit_move): Add ABI_DARWIN cases.
1377 (print_operand): Ditto.
1378 (first_reg_to_save): Ditto.
1379 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1380 (debug_stack_info): Ditto.
1381 (rs6000_emit_prologue): Ditto.
1382 (rs6000_emit_epilogue): Ditto.
1383 (output_profiler_hook): Ditto.
1384 (output_function_profiler): Ditto.
1385 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1386 (output_mi_thunk): Add TARGET_MACHO case.
1387 (add_compiler_stub): Ditto.
1388 (output_compiler_stub): Ditto.
1389 (no_previous_def): Ditto.
1390 (output_call): Ditto.
1391 (machopic_output_stub): Ditto.
1392 (rs6000_machopic_legitimize_pic_address): Ditto.
1393 (toc_section): Ditto.
1394 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1395 (macho_high): Ditto.
1398 (load_macho_picbase): Ditto.
1399 (call): Add TARGET_MACHO case to modify function.
1400 (call_value): Ditto.
1401 (call_nonlocal_sysv): Add ABI_DARWIN case.
1402 (call_value_nonlocal_sysv): Ditto.
1403 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1405 (machopic_output_stub): Ditto.
1406 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1408 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1410 * dwarf2out.c (modified_type_die): Don't create new types here.
1411 * tree.h (get_qualified_type): New function.
1412 (build_qualified_type): Adjust comment.
1413 * tree.c (get_qualified_type): New function.
1414 (build_qualified_type): Use it.
1416 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1418 * cpp.texi (-Wtraditional): Update description.
1420 * invoke.texi (-Wtraditional): Likewise.
1422 2001-04-11 Jim Wilson <wilson@redhat.com>
1424 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1425 requires more than 64 bits of alignment.
1427 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1429 * cpplib.c (do_line): Sanity check iff enable checking.
1431 2001-04-11 Richard Henderson <rth@redhat.com>
1433 * Makefile.in (insn-recog.o): Depend on toplev.h.
1434 (insn-emit.o, doloop.o): Likewise.
1435 * genrecog.c, genemit.c: Include toplev.h in generated file.
1436 * doloop.c: Include toplev.h.
1438 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1440 * Makefile.in (gcse.o): Depend on params.h.
1441 * gcse.c: Include params.h.
1442 (gcse_main): Don't do GCSE if doing so will take inordinate
1444 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1445 * params.h (MAX_GCSE_MEMORY): New macro.
1447 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1449 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1451 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1453 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1455 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1457 * real.h (ereal_atof, real_value_truncate, target_isnan,
1458 target_isinf, target_negative, assemble_real, debug_real): Delete
1459 redundant prototypes.
1461 * Makefile.in (ifcvt.o): Depend on toplev.h.
1463 * c-semantics.c: Include expr.h.
1465 * ifcvt.c: Include toplev.h.
1467 * expr.h (rtx_equal_p): Delete prototype.
1469 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1470 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1471 eliminate_constant_term, expand_complex_abs, find_single_use,
1472 make_tree, init_expr_once, init_optabs, supports_one_only):
1475 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1476 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1477 expand_assignment, store_expr, emit_line_note_after,
1478 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1480 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1482 * sparc-protos.h: Delete redundant prototypes.
1484 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1486 * reload.c (push_reload): Add condition missed in SUBREG byte
1489 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1491 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1493 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1495 * i386.md (floatsisf_sse): Fix output template
1496 * i386.c (ix86_expand_fp_movcc)
1498 * reg-stack.c (emit_pop_insn): Handle complex modes.
1499 (move_for_stack_reg): Emit proper move mode.
1500 (subst_stack_regs_pat): Handle complex modes.
1502 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1504 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1506 2001-04-10 Richard Henderson <rth@redhat.com>
1508 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1509 (__pure_virtual, __terminate, __terminate_set_func,
1510 __default_terminate, __throw_type_match, __empty,
1511 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1512 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1513 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1514 Remove prototypes of deleted functions.
1516 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1518 * c-typeck.c (convert_arguments): -Wtraditional now activates
1519 -Wconversion warnings, except for changes in signed-ness.
1520 Detect complex<->int & int<->complex conversions as well.
1522 * invoke.texi (-Wtraditional): Document it.
1524 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1526 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1527 * flow.c (set_block_for_new_insns): Remove needless cast and
1528 properly check for unset block number.
1530 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1532 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1533 the subreg was a hard register. Pseudos are left as subregs.
1535 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1537 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1538 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1539 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1540 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1541 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1543 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1545 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1547 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1549 * output.h (set_block_num): Missed it earlier, remove deprecated
1552 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1554 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1555 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1556 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1557 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1558 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1559 (expr_killed_p): Change bb parameter from int to basic_block, pass
1560 basic_blocks instead of ints as parameters.
1561 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1562 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1563 from int to basic_block, pass basic_blocks instead of ints as parms.
1564 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1565 parameter from int to basic_block, pass basic_blocks instead of ints.
1566 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1567 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1568 pass basic_blocks instead of ints.
1569 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1570 basic_blocks instead of ints as parameters.
1571 (pre_delete): Pass basic_blocks instead of ints as parameters.
1572 (hoist_expr_reaches_here_p): Change bb parameter from int to
1573 basic_block, pass basic_blocks instead of ints.
1574 (hoist_code): Pass basic_blocks instead of ints as parameters.
1575 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1576 Change bb parameter from int to basic_block.
1577 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1578 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1579 pass basic_blocks instead of ints.
1580 (insert_store): Pass basic_blocks instead of ints as parameters.
1581 (replace_store_insn, delete_store): Change bb parameter from int to
1582 basic_block, pass basic_blocks instead of ints.
1583 (store_motion): Pass basic_blocks instead of ints as parameters.
1585 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1587 * basic-block.h (set_new_block_for_insns): New Prototype.
1588 (set_block_num): Delete prototype.
1589 * flow.c (set_block_num): Remove obsolete function.
1590 (set_block_for_new_insns): Set BB for single or multiple insns.
1591 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1592 (process_insn_end_bb): Use set_block_for_new_insns or
1593 set_block_for_insn instead of set_block_num.
1594 (pre_insert_copy_insn): Use set_block_for_new_insns.
1595 (update_ld_motion_stores): Use set_block_for_new_insns.
1596 (insert_insn_start_bb): Use set_block_for_new_insns.
1597 (replace_store_insn): Use set_block_for_new_insns.
1599 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1600 Jeff Law <law@redhat.com>
1602 * alias.c (get_addr): Externalize.
1603 (canon_true_dependence): New function. Behaves like true_dependance
1604 except it already assumes a MEM has been canonicalized.
1605 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1606 * gcse.c (struct ls_expr): Add load/store expressions structure.
1607 (modify_mem_list, canon_modify_mem_list): New variable.
1608 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1609 load motion and store motion if requested.
1610 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1611 (free_gcse_mem): Free the modify_mem_list array.
1612 (oprs_unchanged_p): Use load_killed_in_block_p.
1613 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1614 (mems_conflict_for_gcse_p): New function. Don't kill loads
1615 with stores to themselves if its in the load/store expression list.
1616 (load_killed_in_block_p): New function.
1617 (canon_list_insert): New Function.
1618 (record_last_mem_set_info): Keep a list of all instructions which
1619 can modify memory for each basic block.
1620 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1621 (oprs_not_set_p): Use load_killed_in_block_p.
1622 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1623 (expr_killed_p): Use load_killed_in_block_p.
1624 (compute_transp): Do not pessimize memory references.
1625 (pre_edge_insert): Update stores for a load motion expression.
1626 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1627 (ldst_entry): Find or create a ldst_expr structure.
1628 (free_ldst_entry): Free memory for an individual item.
1629 (free_ldst_mems): Free entire load/store expression list.
1630 (print_ldst_list): Print debug info.
1631 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1632 (enumerate_ldsts): Assign integer values to each entry in list.
1633 (first_ls_expr): First expression in the list.
1634 (next_ls_expr): Next expression in the list.
1635 (simple_mem): Check if expression qualifies for ld/st expression list.
1636 (invalidate_any_buried_refs): Remove from expression list if its
1637 used in some other way we dont understand.
1638 (compute_ld_motion_mems): Find all potential enhanced load motion
1640 (trim_ld_motion_mems): Remove any expressions which are invalid.
1641 (update_ld_motion_stores): Copy store values to registers for loads
1642 which have been moved.
1643 (regvec, st_antloc, num_store): New global statics.
1644 (reg_set_info): Marks registers as set.
1645 (store_ops_ok): Verfies registers expressions are valid in a block.
1646 (find_moveable_store): Look for moveable stores in a pattern.
1647 (compute_store_table): Find stores in a function worth moving, maybe.
1648 (load_kills_store): Check dependance of a load and store.
1649 (find_loads): Find any loads in a pattern.
1650 (store_killed_in_insn): Check if a store is killed in an insn.
1651 (store_killed_after): Check is store killed after an insn in a block.
1652 (store_killed_before): Check is store killed before an insn in a block.
1653 (build_store_vectors): Generate the antic and avail vectors.
1654 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1655 (insert_store): Add a store to an edge.
1656 (replace_store_insn): Replace a store with a SET insn.
1657 (delete_store): Delete a store insn.
1658 (free_store_memory): Free memory.
1659 (store_motion): Perform store motion.
1660 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1661 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1662 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1663 (f_options): Add gcse-lm and gcse-sm.
1665 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1667 * i386.c (expand_fp_movcc): Fix condition reversal code.
1669 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1670 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1671 (CLASS_MAX_NREGS): Use it.
1673 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1674 handle properly complex values.
1675 (CLASS_MAX_NREGS): Likewise; update comment.
1677 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1679 * ia64.c (ia64_flag_schedule_insns2): New variable.
1680 (ia64_override_options): Initialize it. Clear
1681 flag_schedule_insns_after_reload.
1682 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1684 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1686 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1687 Do not require source to match destination anymore;
1688 Add abort to the nontrivial cases that should be handled by split.
1689 (fix_trunc?fdi): Add SSE case for x86_64.
1690 (floatdi?f): Likewise.
1691 (floatdi?f_sse): New.
1692 (fix_trunc?fdi_sse): New.
1694 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1696 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1697 (DEBUG_ARANGES_END_LABEL): Ditto.
1698 (dwarfout_init): Generate length and version fields at the start
1699 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1700 after the length field.
1701 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1702 the .debug_aranges info.
1704 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1706 * i386.c (call, call_value): Make sure that resulting call_insn
1707 does have proper second operand.
1709 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1711 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1712 function. Remove include of sys/cygwin.h.
1714 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1716 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1717 (CPP_SPEC): Always search */include/w32api for header files.
1718 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1719 (LINK_SPEC): Add "cyg" to the library search prefixes.
1721 2001-04-08 Philip Blundell <philb@gnu.org>
1723 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1725 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1727 * cpperror.c (print_location): Don't special case <stdin>.
1728 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1729 WARNING, but we don't check if we're in system headers.
1730 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1731 * cpplib.c (do_warning): Warn in system headers.
1733 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1735 * mbchar.c: Include config.h first.
1737 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1739 * config.gcc: Set default for xmake_file at top, not bottom.
1740 Change places that set xmake_file to "none" to set to the
1741 empty string instead, or remove them entirely if there is no
1742 default xmake_file for this cpu_type. Remove references to
1745 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1746 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1747 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1748 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1749 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1750 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1751 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1752 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1753 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1754 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1757 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1758 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1759 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1760 config/mips/x-sysv, config/rs6000/x-aix31:
1761 Just set CLIB to -lld or -lmld, as appropriate.
1763 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1764 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1765 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1766 config/mips/x-iris, config/pa/x-pa:
1767 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1768 OTHER_FIXINCLUDES_DIRS.
1770 * config/i386/x-djgpp: Don't set LN or LN_S.
1771 * config/m88k/x-dolph: Don't define __m88k__.
1772 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1773 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1774 * config/i860/fx2800.h: No need to #undef SVR4.
1776 38 x-host fragments remain, 2 x-cpu.
1778 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1780 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1782 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1784 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1786 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1788 * configure.in: Add check for lstat.
1789 * configure, config.in: Regenerate.
1790 * cppinit.c (append_include_chain): Make empty path ".".
1791 * cpplib.c (do_line): Don't simplify #line paths.
1792 * cppfiles.c (remove_component_p): New function.
1793 (find_or_create_entry): Acknowledge stat () errors during
1794 path simplification.
1795 (handle_missing_header): Don't simplify paths.
1796 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1797 the empty path untouched. Don't leave a trailing '/'.
1799 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1801 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1802 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1804 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1806 * cppfiles.c (open_file): Fail directories silently, but
1807 with an errno of NOENT set.
1808 (read_include_file): Move the common exit code to the sole
1809 caller. Return an int indicating success or failure. Let
1810 open_file handle directories.
1811 (stack_include_file): If read_include_file fails,
1812 push a "null" buffer.
1814 2001-04-05 DJ Delorie <dj@redhat.com>
1816 * function.h (virtuals_instantiated): Declare.
1817 * function.c: (virtuals_instantiated): Make global.
1818 * calls.c (emit_library_call_value_1): Use
1819 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1820 Otherwise, use the stack pointer directly.
1822 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1824 * i386.c (x86_initialize_trampoline): New global function.
1825 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1826 (INITIALIZE_TRAMPOLINE): Move offline.
1827 * i386-protos.h (x86_initialize_trampoline): Declare.
1829 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1831 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1832 (lea_0): Rename to lea_1.
1833 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1834 (lea_general_?): Allow SImodes on TARGET_64BIT
1835 (lea_general_?_zext): New patterns.
1836 (call_1, call_1_rex64): Fix.
1838 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1840 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1842 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1844 * i386.c (function_arg): Return constm1_rtx for last argument.
1845 (ix86_expand_prologue): Update gen_call calls.
1846 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1847 * i386.md (call_pop): Likewise.
1848 (call): Second operand is VOIDmode.
1849 (call_0): Likewise; Support 64bits.
1850 (call_exp): New expander.
1851 (call_1): Get to the sync.
1852 (call_1_exp): New pattern.
1853 (call_value): Support 64bit.
1854 (call_value_exp): New pattern.
1855 (untyped_call): Update gen_call call.
1856 (call_value_pop): Disable for 64bit.
1857 (call_value_0_rex64): New pattern.
1858 (call_value_1_rex64): Likewise.
1860 2001-04-05 Bo Thorsen <bo@suse.de>
1862 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1864 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1866 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1867 satisfies ANY_QI_REG_P.
1869 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1871 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1874 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1877 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1879 * config.gcc: Remove default for xm_file. Clean up local
1880 machine type handling. Remove settings of xm_file to
1881 something that doesn't exist. In the big switch, set xm_file,
1882 don't append to it (the value before the big switch is always
1883 null). Don't force build_xm_file or host_xm_file to have a value.
1884 * configure.in: Remove default for xm_file. Do not special
1885 case $cpu/xm-$cpu.h not existing.
1886 * configure: Regenerate.
1888 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1890 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1891 when folding integer division and modulo operations.
1893 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1895 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1896 instead of DWARF2_ADDR_SIZE for EH addresses.
1897 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1900 2001-04-04 Richard Henderson <rth@redhat.com>
1902 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1903 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1904 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1906 2001-04-04 Richard Henderson <rth@redhat.com>
1908 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1909 * configure: Rebuilt.
1911 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1913 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1914 push insns to delete to it instead of deleting them.
1915 (delete_null_pointer_checks): Delete insns from delete_list after
1916 all delete_null_pointer_checks_1 passes are done.
1918 2001-04-04 Richard Henderson <rth@redhat.com>
1920 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1921 * configure: Rebuilt.
1923 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1925 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1926 * config/romp/xm-romp.h: Delete.
1928 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1930 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1933 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1935 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1936 all labels present in rtx.
1937 (try_split) Call new function for all split insns.
1939 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1941 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1942 sure the change won't be validated.
1944 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1946 * rtl.h (set_noop_p): Declare.
1947 * flow.c (set_noop_p): Move from here ...
1948 * rtlanal.c (set_noop_p): ... to here and enhance.
1949 * cse.c (delete_trivially_dead_insns): Use it.
1950 * gcse.c (hash_scan_set): Likewise.
1951 * jump.c (delete_noop_moves): Likewise.
1952 * recog.c (split_all_insns): Likewise.
1954 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1956 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1957 stack pointer via a LO_SUM. Ditto for setting a temp register
1958 used to save to the stack. Set cfa_temp when setting fp, and
1959 allow matches to cfa_temp in addition to cfa_store when saving
1960 regs. Handle POST_INC and LO_SUM register stores. Document the
1961 changes and errors in rule 12 doco.
1963 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1964 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1965 (load_reg): Move closer to epilogue code.
1966 (DO_FRAME_NOTES): Define to control the following..
1967 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1968 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1970 (hppa_expand_epilogue): Likewise.
1972 2001-04-03 Richard Henderson <rth@redhat.com>
1974 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1975 * configure: Rebuild.
1977 2001-04-03 Richard Henderson <rth@redhat.com>
1979 * rtl.h (LCT_THROW): New.
1980 * calls.c (emit_library_call_value_1): Handle it.
1981 * except.c (connect_post_landing_pads): Use it.
1983 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1985 * gansidecl.h: Delete file.
1986 * configure.in: Change all refs to gansidecl.h to use
1987 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1989 * configure: Regenerate.
1991 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1992 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1993 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1994 Don't include gansidecl.h.
1995 * intl.c, main.c, version.c, fixinc/fixlib.h,
1996 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1999 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2001 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2004 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2006 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2007 config/i386/xm-next.h, config/i386/xm-sco.h,
2008 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2009 config/m88k/xm-m88k.h: Delete.
2011 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2012 * config/romp/xm-romp.h: Don't define bcopy.
2013 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2014 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2016 * config.gcc: Remove references to deleted files.
2018 14 xm-host.h remain, 1 xm-cpu.h.
2020 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2021 David S. Miller <davem@pierdol.cobaltmicro.com>
2022 Andrew MacLeod <amacleod@redhat.com>
2024 Use byte offsets in SUBREGs instead of words.
2026 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2027 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2028 to pass new argument.
2029 (add_stored_regs): Use subreg_regno_offset function.
2030 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2032 (precompute_arguments): Use gen_lowpart_SUBREG.
2033 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2034 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2035 (simplify_set): Rework to use SUBREG_BYTE.
2036 (expand_field_assignment): Use SUBREG_BYTE.
2037 (make_extraction): Use SUBREG_BYTE.
2038 (if_then_else_cond): Use SUBREG_BYTE.
2039 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2040 (gen_lowpart_for_combine): Compute full byte offset.
2041 * cse.c (mention_regs): Use SUBREG_BYTE.
2042 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2043 (canon_hash): Use SUBREG_BYTE.
2044 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2045 (gen_lowpart_if_possible): Formatting.
2046 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2048 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2049 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2050 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2051 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2052 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2053 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2054 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2055 certain invariants about SUBREGs the compiler creates.
2056 (gen_lowpart_SUBREG): New function.
2057 (subreg_hard_regno): New function to get the final register number.
2058 (gen_lowpart_common): Use SUBREG_BYTE.
2059 (gen_imagpart): Spacing nits.
2060 (subreg_realpart_p): Use SUBREG_BYTE.
2061 (gen_highpart): Use SUBREG_BYTE.
2062 (subreg_lowpart_p): Always compute endian corrected goal offset,
2063 even at the byte level, then compare against that.
2064 (constant_subword): New function, pulled out all constant cases
2065 from operand_subword and changed second argument name to offset.
2066 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2067 and call constant_subword to do the work. Return const0_rtx if
2068 looking for a word outside of OP.
2069 (operand_subword_force): Change second arg name to offset.
2070 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2071 (store_split_bit_field): Use SUBREG_BYTE.
2072 (extract_bit_field): Use SUBREG_BYTE.
2073 (extract_split_bit_field): Use SUBREG_BYTE.
2074 (expand_shift): Use SUBREG_BYTE.
2075 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2076 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2077 * flow.c (set_noop_p): Use SUBREG_BYTE.
2078 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2079 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2080 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2082 (optimize_bit_field): Use SUBREG_BYTE.
2083 (purge_addressof_1): Use SUBREG_BYTE.
2084 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2085 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2086 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2087 * gengenrtl.c (special_rtx): Add SUBREG.
2088 * global.c (mark_reg_store): Use SUBREG_BYTE.
2089 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2090 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2091 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2092 final byte offset is congruent to subreg's mode size.
2093 (subst_constants): Use SUBREG_BYTE.
2094 (mark_stores): Use subreg_regno_offset function.
2095 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2096 function and SUBREG_BYTE.
2097 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2098 (reg_is_born): Use subreg_hard_regno.
2099 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2100 endian correction code. Don't combine subregs unless resulting
2101 offset aligns with type. Fix subreg constant extraction for DImode.
2102 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2103 (general_operand): Remove dead mode_altering_drug code.
2104 (indirect_operand): Use SUBREG_BYTE.
2105 (constrain_operands): Use subreg_regno_offset function.
2106 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2107 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2108 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2109 * regs.h (REG_SIZE): Allow target to override.
2110 (REGMODE_NATURAL_SIZE): New macro which target can override.
2111 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2112 on the entire subreg rtx.
2113 (push_reload): Use SUBREG_BYTE in comments and code.
2114 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2115 for hard registers inside subregs.
2116 (operands_match_p): Use subreg_regno_offset.
2117 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2118 containing hard regs.
2119 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2120 corrections when fixing up MEM subregs.
2121 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2122 subreg_regno_offset where appropriate.
2123 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2124 byte endian corrections when fixing up MEM subregs.
2125 (subst_reloads): When combining two subregs, make sure final
2126 offset is congruent to subreg's mode size.
2127 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2128 (refers_to_regno_for_reload_p): Use subreg_regno.
2129 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2130 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2131 correction code for memory subreg fixups.
2132 (forget_old_reload_1): Use subreg_regno_offset.
2133 (choose_reload_regs): Use subreg_regno.
2134 (emit_input_reload_insns): Use SUBREG_BYTE.
2135 (reload_combine_note_store): Use subreg_regno_offset.
2136 (move2add_note_store): Use subreg_regno_offset.
2137 * resource.c (update_live_status, mark_referenced_resources): Use
2138 subreg_regno function.
2139 (mark_set_resources): Use subreg_regno function.
2140 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2141 (subreg_regno_offset, subreg_regno): Define prototypes.
2142 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2143 (gen_lowpart_SUBREG): Add prototype.
2144 * rtl.texi (subreg): Update to reflect new byte offset representation.
2145 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2146 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2147 (reg_overlap_mentioned_p): Use subreg_regno.
2148 (replace_regs); Make sure final offset of combined subreg is
2149 congruent to size of subreg's mode.
2150 (subreg_regno_offset): New function.
2151 (subreg_regno): New function.
2152 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2153 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2154 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2155 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2156 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2157 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2158 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2159 (print_operand): Use SUBREG_BYTE.
2160 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2161 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2162 (arm_reload_out_hi): Use SUBREG_BYTE.
2163 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2164 instead of SUBREG_WORD.
2165 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2166 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2167 SUBREG creation to use byte offset.
2168 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2169 inverted load insns): Fix explicit rtl subregs to use byte
2171 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2172 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2173 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2174 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2175 to use byte offsets.
2176 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2177 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2178 offsets, also make sure it is congruent to SUBREG's mode size.
2179 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2180 unnamed ldob insn): Generate SUBREGs with byte offset.
2181 (zero_extendqihi2): SUBREG's are byte offsets.
2182 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2183 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2184 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2185 zero-extendqisi2): Generate SUBREGs with byte offset.
2186 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2187 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2188 subregs in rtl to use byte offsets.
2189 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2190 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2191 (mips_move_2words): Use subreg_regno_offset.
2192 (mips_secondary_reload_class): Use subreg_regno_offset.
2193 * config/mips/mips.md (DImode plus, minus, move, and logical op
2194 splits): Fixup explicit subregs in rtl to use byte offsets.
2195 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2196 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2197 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2198 rtl to use byte offsets.
2199 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2200 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2201 subregs to use byte offsets.
2202 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2203 Fixup explicit subregs in rtl to use byte offsets.
2204 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2205 and remove byte endian correction code.
2206 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2207 (gen_ashift_hi): Use SUBREG_BYTE.
2208 (regs_used): Use subreg_regno_offset.
2209 (machine_dependent_reorg): Use subreg_regno_offset.
2210 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2211 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2212 (movdf_i4): Subregs are byte offsets now.
2213 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2214 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2215 (REGMODE_NATURAL_SIZE): Override.
2216 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2217 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2219 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2220 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2221 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2222 it is congruent to SUBREG's mode size.
2223 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2225 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2226 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2227 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2228 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2229 * config/v850/v850.c (print_operand, output_move_double): Use
2230 subreg_regno function.
2232 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2234 * configure.in (target_subdir): Use target_alias, not target.
2235 * configure: Rebuilt.
2237 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2239 * config/sh/crti.asm: Fix typos in comments.
2241 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2243 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2244 TARGET_FAST_INDIRECT_CALLS.
2245 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2247 (return_addr_rtx): Short circuit export stub matching when
2248 TARGET_NO_SPACE_REGS.
2249 (output_millicode_call): For out of range calls, make -fPIC
2250 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2251 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2252 * pa.md: Modify length attr calculation of all millicode insns to
2255 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2257 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2258 Require at least 2.11 in the version test. Specifically check
2259 for and reject GAS version 2.10.90.
2260 * configure: regenerate.
2262 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2264 * pa.c (override_options): Remove PIC profiling warning.
2265 (hp_profile_labelno): Delete.
2266 (hp_profile_label_rtx): Delete.
2267 (hp_profile_label_name): Delete.
2268 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2269 (output_function_prologue): Remove profiling code and all tests on
2270 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2271 merge_sp_adjust_with_store can work for PIC and profiling.
2272 (hppa_expand_epilogue): Remove profile_flag test.
2273 (hppa_can_use_return_insn_p): Likewise.
2274 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2275 cater for PROFILE_HOOK.
2276 (hppa_profile_hook): New function.
2277 * pa.h (FUNCTION_PROFILER): Now does nothing.
2278 (PROFILE_HOOK): Define.
2279 (hppa_profile_hook): Declare.
2280 (PROFILE_BEFORE_PROLOGUE): Delete.
2281 (ASM_OUTPUT_REG_PUSH): Delete.
2282 (ASM_OUTPUT_REG_POP): Delete.
2283 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2284 r24. Accept function name operand, and use this and a locally
2285 generated label to calculate pc-rel offset to func start.
2287 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2289 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2290 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2293 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2295 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2296 LO_SUM cases to where they belong.
2298 2001-04-02 Richard Henderson <rth@redhat.com>
2300 * except.h (lang_eh_type_covers): Mark extern.
2301 (lang_eh_runtime_type): Likewise.
2303 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2305 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2306 gengenrtl.c: Wrap generated header in multiple-include guard.
2307 Improve error checking.
2309 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2311 * configure.in: Don't check for putenv.
2312 * configure: Regenerate.
2313 * gcc.c (putenv): Don't define.
2314 * vax/xm-vms.h: Handle putenv.
2316 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2318 * ifcvt.c (noce_emit_move_insn): New.
2319 (noce_try_store_flag, noce_try_store_flag_constants,
2320 noce_try_store_flag_inc, noce_try_store_flag_mask,
2321 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2322 noce_try_abs): Use it.
2323 (noce_process_if_block): Likewise.
2324 For STRICT_LOW_PART, take mode from its SUBREG.
2326 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2328 * fold-const.c (fold): Before optimizing unsigned comparison with
2329 0x7fffffffU, make sure arg0 is integral type.
2331 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2333 * c-tree.texi: Document representation of wide strings.
2335 2001-04-01 Richard Henderson <rth@redhat.com>
2337 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2339 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2341 * i386.md: remove obsoleted comments.
2342 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2343 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2344 fix output template.
2346 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2348 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2350 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2352 * loop.c (load_mems): When generating a load from a pseudo, update
2355 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2357 * i386.c (ix86_split_long_move): Use change address to compensate
2358 stack pointer change in push instruction.
2360 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2362 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2363 instead of rtx_equal_p; fix the output template.
2365 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2367 * i386.c (ix86_expand_setcc): Support 64bit.
2368 (ix86_expand_int_movcc): Likewise.
2369 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2372 * i386.md (allocate_stack_worker): Turn to expander.
2373 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2375 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2377 2001-03-29 Richard Henderson <rth@redhat.com>
2379 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2381 2001-03-28 Matthew Hiller <hiller@redhat.com>
2383 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2386 * MAINTAINERS: Added self.
2388 2001-03-28 Richard Henderson <rth@redhat.com>
2390 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2391 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2393 2001-03-28 Jim Wilson <wilson@redhat.com>
2395 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2398 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2400 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2402 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2405 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2407 2001-03-28 DJ Delorie <dj@redhat.com>
2409 * Makefile.in (stage1_build): Revert CFLAGS patch.
2411 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2413 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2414 when multiplier or multiplicand is zero.
2416 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2418 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2420 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2422 (set_src_needs_barrier): Likewise.
2423 (rtx_needs_barrier): For SET case, use these two functions. Rework
2424 PARALLEL case to handle all inputs before all outputs.
2425 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2426 saw a label and no stop bit since then.
2427 (maybe_rotate, process_epilogue): Add prototypes.
2429 2001-03-28 Richard Henderson <rth@redhat.com>
2431 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2432 not TARGET_TOC for special toc restore handling.
2433 * config/rs6000/rs6000.md (eh_return): Likewise.
2435 2001-03-28 Richard Henderson <rth@redhat.com>
2437 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2438 current_function_calls_eh_return.
2439 (output_function_epilogue): Handle eh_return.
2440 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2441 (EH_RETURN_DATA_REGNO): New.
2442 (EH_RETURN_STACKADJ_RTX): New.
2443 (EH_RETURN_HANDLER_RTX): New.
2444 * config/sparc/sparc.md (call/short branch peepholes): Check
2445 can_throw_internal instead of in_same_eh_region.
2447 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2448 for eh_return data registers.
2449 (rs6000_emit_prologue): Save eh_return data registers.
2450 (rs6000_emit_epilogue): Force inline restores if eh_return.
2451 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2452 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2453 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2454 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2455 the target uses one.
2456 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2457 (return_eh_si, return_eh_di): Remove.
2458 (eh_return): New, from corpse of eh_epilogue.
2459 (eh_set_lr_si, eh_set_lr_di): New.
2461 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2462 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2463 True for pic register if current_function_calls_eh_return.
2464 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2465 Handle eh_return requirements.
2466 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2467 (EH_RETURN_STACKADJ_RTX): New.
2468 * config/i386/i386.md (exception_receiver): Remove.
2469 (eh_return, eh_return_1): New.
2470 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2472 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2473 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2474 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2475 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2476 (EH_RETURN_DATA_REGNO): New.
2477 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2478 * config/alpha/alpha.md (eh_epilogue): Remove.
2479 (exception_receiver): Use $26 for ldgp input.
2480 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2482 2001-03-28 Richard Henderson <rth@redhat.com>
2484 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2485 * except.h: Likewise.
2487 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2488 (LIB2ADDEHDEP): New.
2489 (LIB2FUNCS_EH): Remove.
2490 (LIB2ADD): Remove LIB2ADDEH.
2491 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2492 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2493 (crt{begin,end}[S].o): Likewise.
2494 (except.o): Update includes.
2495 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2496 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2498 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2499 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2500 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2501 * builtins.c (expand_builtin): Implement it.
2502 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2503 * c-common.c (c_common_nodes_and_builtins): Declare it.
2504 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2505 * calls.c (libfunc_nothrow): Remove.
2506 (emit_library_call_value_1): Don't call it.
2507 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2508 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2509 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2510 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2511 (current_funcdef_number): Globalize.
2512 (output_call_frame_info): Emit frame data if an lsda is needed.
2513 Generate augmentation for personality routine. Don't play with
2515 (dwarf2out_begin_prologue): Record funcdef_number.
2516 * dwarf2out.h (current_funcdef_number): Declare.
2517 * expr.c (expand_expr): Update for except.h name changes.
2518 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2519 * expr.h (LTI_throw, LTI_rethrow): Remove.
2520 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2521 (LTI_eh_rtime_match): Remove.
2522 (LTI_unwind_resume, LTI_eh_personality): Add.
2523 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2524 * final.c (final): Don't call check_exception_handler_labels,
2525 init_insn_eh_region, or free_insn_eh_region.
2526 (final_scan_insn): Always emit debug labels for
2527 NOTE_INSN_EH_REGION notes.
2528 * flags.h (flag_new_exceptions): Remove.
2529 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2530 (record_active_eh_regions): Remove.
2531 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2532 Use can_throw_internal.
2533 (find_basic_blocks_1): Likewise.
2534 (move_stray_eh_region_notes): Remove.
2535 (find_label_refs): No eh_return_stub_label.
2536 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2537 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2539 (delete_unreachable_blocks): Don't track deleted handlers.
2540 (flow_delete_block): Use maybe_remove_eh_handler.
2541 (delete_eh_regions): Remove.
2542 (merge_blocks): Don't check for eh region match.
2543 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2544 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2545 (init_propagate_block_info): Disable dead frame store optimization
2546 when current_function_calls_eh_return.
2547 (dump_bb): Don't print eh_beg, eh_end.
2548 * function.c (fixup_var_refs): No catch_clauses.
2549 (expand_function_end): Likewise. Call expand_eh_return before
2550 the return register use. Call sjlj_emit_function_exit_after.
2551 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2552 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2553 * ifcvt.c (dead_or_predicable): Remove eh region check.
2554 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2555 Don't check for EH vs parameters.
2556 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2557 (expand_inline_function): Call duplicate_eh_regions.
2558 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2559 (copy_insn_notes): Remap REG_EH_REGION notes.
2560 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2561 * integrate.h (struct inline_remap): Add local_return_label.
2562 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2563 check_exception_handler_labels, nor exception_optimize.
2564 (find_cross_jump): No EH region check.
2565 * optabs.c (init_optabs): Update for changed eh libfuncs.
2566 * rtl.def (RESX): New.
2567 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2568 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2569 checks. Update for except.h name changes.
2570 (expand_cleanups): Likewise.
2571 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2572 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2573 (compile_file): Call init_eh before init_optabs. Don't
2574 output_exception_table here.
2575 (rest_of_compilation): Call convert_from_eh_region_ranges,
2576 convert_to_eh_region_ranges, output_function_exception_table.
2577 Don't emit_eh_context.
2578 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2579 (EXC_PTR_EXPR): New.
2581 * md.texi (eh_epilogue): Remove.
2582 (eh_return): Document.
2583 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2584 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2586 * eh-common.h: Remove file.
2587 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2588 * libgcc2.c (L_eh): Remove.
2590 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2591 * unwind-dw2-fde.h: New file.
2592 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2593 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2594 * libgcc-std.ver: Update for eh symbols.
2596 2001-03-27 Richard Henderson <rth@redhat.com>
2598 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2599 reduce false positives.
2600 (regmove_optimize): Disable if flag_non_call_exceptions.
2602 * stmt.c (expand_return): Remove always true predicate.
2603 (expand_decl_cleanup_no_eh): Remove dead code.
2605 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2606 barrier code. Add a scheduling barrier if a non-call insn
2607 can throw internally.
2609 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2610 Auto-inc addresses trap only if their base register does.
2612 * except.c (can_throw_internal): Rename from can_throw.
2613 * except.h, resource.c: Update references.
2615 * integrate.c (copy_insn_list): Use returnjump_p.
2616 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2618 * function.h (struct function): Move all boolean valued fields
2619 to single bit fields at the end of the struct.
2621 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2623 Rename asynchronous_exceptions to flag_non_call_exceptions.
2625 * gthr-single.h (UNUSED): New. Distinguish between how C
2626 and C++ mark unused function arguments. Use throughout.
2628 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2629 value to target configuration header.
2630 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2631 * config.in, configure: Rebuild.
2632 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2633 configuration and target defines.
2634 (exceptions_via_longjmp): Remove.
2635 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2636 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2638 * except.h (flag_non_call_exceptions): Move ...
2639 * flags.h: ... here.
2641 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2642 exceptions, put the note on the trapping instruction.
2644 * flags.h (flag_new_exceptions): Remove.
2645 * toplev.c: Don't set it.
2646 * final.c: Don't check it.
2647 * except.c: Provide stub definition.
2649 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2650 (calculate_global_regs_live): Kill call-clobbered registers
2651 across exception edges.
2652 * reg-stack.c (convert_regs_1): Kill the entire target stack
2653 across non-call exception edges.
2655 * flow.c (cleanup_cfg): Take no argument.
2656 * output.h, sibcall.c, toplev.c: Update all calls.
2658 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * configure.in: Don't check for bcopy.
2661 * configure, config.in: Regenerate.
2663 * system.h: Don't define or prototype bcopy, instead poison it.
2665 2001-03-27 Richard Henderson <rth@redhat.com>
2667 * function.c (expand_function_start): Set DECL_REGISTER on
2668 a pseudo used for DECL_RESULT.
2670 * rtl.h (LCT_NORETURN): New.
2671 * calls.c (emit_library_call_value_1): Handle it.
2673 2001-03-27 Stan Shebs <shebs@apple.com>
2675 * objc/objc-act.c (objc_init): Use dump_base_name.
2676 (gen_declaration): Clear the buffer arg.
2677 (gen_declaration_1): New function, body of gen_declaration.
2678 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2679 (gen_method_decl): Ditto, plus always clear buffer arg.
2680 (error_with_ivar): Simplify.
2681 (warn_with_method): Ditto.
2682 (build_message_expr): Don't clear buffers.
2683 (dump_interface): Ditto.
2684 (objc_debug): Ditto.
2685 (build_keyword_selector): Clear the buffer by only zeroing
2687 (objc_implementation_context): Declare.
2688 (start_class): Warn about missing @end.
2689 (finish_objc): Ditto.
2691 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2693 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2695 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2697 * Makefile.in (SYSTEM_H): Define.
2698 Depend on $(SYSTEM_H), not system.h.
2700 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2702 2001-03-27 Jim Wilson <wilson@redhat.com>
2704 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2706 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2707 (process_epilogue): New static function.
2708 (process_set): Call process_epilogue instead of emitting .restore
2710 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2712 * flow.c (struct reg_cond_life_info): New fields orig_condition
2714 (init_propagate_block_info): Set new fields.
2715 (mark_regno_cond_dead): Set and use new fields.
2716 (flush_reg_cond_reg_1): Likewise.
2717 (and_reg_cond, case AND): Check for redundant AND conditions.
2718 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2721 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2723 * cppmacro.c (stringify_arg): Null terminate strings.
2725 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2727 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2728 inclusion style. xm-m68hc11.h no longer exists.
2729 * config/m68hc11/xm-m68hc11.h: Delete file.
2730 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2732 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2733 Don't define GCC_VERSION, N_, or PARAMS; don't include
2734 gansidecl.h or stdio.h. Define inhibit_libc here.
2735 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2736 Delete code conditioned on #if GCC_VERSION == 2095.
2738 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2739 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2740 Delete code conditioned on #if GCC_VERSION == 2095.
2742 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * system.h: Include symcat.h.
2745 (STRINGIFY): Don't define.
2747 * configure.in: Adjust comment.
2749 * builtins.c: Use STRINGX, not STRINGIFY.
2750 * gencheck.c: Likewise.
2751 * gengenrtl.c: Likewise.
2752 * protoize.c: Likewise.
2754 * cpplex.c: Don't include symcat.h.
2755 * cpplib.c: Likewise.
2757 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2759 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2761 * c-typeck.c (digest_init): Fold init expression.
2763 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2765 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2767 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2769 * except.c (eh_regs): Save results of build_pointer_type to a temp
2770 as FUNCTION_VALUE macro may evaluate its args multiple times.
2772 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2774 * c-common.h (DECL_NUM_STMTS): New macro.
2775 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2777 (pushdecl): Likewise.
2778 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2779 * integrate.c (expand_inline_function): Don't check
2781 * print-tree.c (print_node): Don't print it.
2782 * toplev.c (rest_of_compilation): Don't try to inline when
2783 flag_no_inline is on.
2784 * tree.h (DECL_FRAME_SIZE): Remove.
2785 (tree_decl): Adjust accordingly.
2787 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2789 * combine.c (try_combine): Use memcpy, not bcopy.
2791 * genattrtab.c (expand_units): Likewise.
2793 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2795 * i386.md (push mem DI peep2): New.
2796 (mov 0, mov -1 peep2): Handle 64bit.
2797 (lea to arithmetics peep2): Handle 64bit leas.
2798 (rsp arithmetics to push/pop peep2s): New.
2800 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2802 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2804 * i386.c (struct machine_function): Add save_varrargs_registers.
2805 (ix86_save_varrargs_registers): New macro.
2806 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2807 (ix86_expand_prologue): Likewise.
2808 (ix86_emit_epilogue_esp_adjustement): Likewise.
2809 (ix86_expand_epilogue): Likewise.
2810 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2811 (pro_epilogue_adjust_stack_1): New insn.
2812 (pro_epilogue_adjust_stack_rex64): Likewise.
2813 * i386.h (MASK_NO_RED_ZONE): New constant.
2814 (TARGET_RED_ZONE): New macro.
2815 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2816 (RED_ZONE_SIZE): New constant.
2817 (RED_ZONE_RESERVE): New constant.
2819 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2821 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2823 2001-03-25 Kazu Hirata <kazu@hxi.com>
2825 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2828 (umodhi3): Likewise.
2831 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2833 * mkconfig.sh (DEFINES): Handle entries with '='.
2835 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2836 Set xm_defines to MACRO=value instead.
2838 * i370/xm-mvs.h: Delete.
2840 * ns32k/xm-pc532-min.h: Likewise.
2842 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2844 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2846 use ix86_expand_binary_operator
2847 (?sh??i_?): Disable for 64bit.
2848 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2849 * i386.c (shiftdi_operand): New predicate.
2851 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2852 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2853 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2854 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2855 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2856 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2857 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2858 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2859 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2860 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2861 (rotldi3, rotrdi3): New expanders.
2863 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2865 * i386.md (movstrsi): Move offline.
2867 (strmovdi_rex64): New.
2868 (strmov?i): Accept 64bit.
2869 (strmov?i_rex64): New.
2870 (strmov?i_rex_1): New.
2871 (strmov?i_1): Disable for 64bit.
2872 (rep_mov?i_rex64): New.
2873 (rep_mov?i): Disable for 64bit.
2874 (clrstrsi): Move offline.
2875 (strset?i_rex64): New.
2876 (strset?i: Accept 64bit.
2877 (rep_stos?i): Disable for 64bit.
2878 (rep_stos?i_rex64): New.
2879 (strset?i_rex_1): New.
2880 (strset?i_1): Disable for 64bit.
2881 (cmpstrsi): Accept 64bit.
2882 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2883 (cmpstrqi_nz_rex_1): New.
2884 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2885 (strlensi): Move offline.
2887 (strlenqi_1): Disable for 64bit; fix constraints.
2888 (strlenqi_rex_1): New.
2889 * i386.c (ix86_adjust_counter): New static function.
2890 (ix86_zero_extend_to_Pmode): Likewise.
2891 (ix86_expand_aligntest): Likweise.
2892 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2893 (ix86_expand_movstr): New global function.
2894 (ix86_expand_clrstr): New global function.
2895 (ix86_expand_strlen): New global function.
2896 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2897 ix86_expand_strlen): Declare.
2898 (ix86_expand_strlensi_unroll_1): Delete.
2900 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2902 * i386.md (cmpdi): Fix operand predicates.
2903 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2904 cmpdi_1_insn_rex64): New patterns.
2905 (adddi3): Turn to expander.
2906 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2907 (addsi3_carry_zext): New pattern.
2908 (adddi_?_rex64): New patterns and splitters.
2909 (addsi_?_zext): New patterns.
2910 (subsi3_carry_zext): New pattern.
2911 (subdi_?_rex64): New patterns and splitters.
2912 (iorsi_?_zext): New patterns.
2913 (iordi_?_rex64): New patterns and splitters.
2914 (iorsi_?_zext): New patterns.
2915 (iorsi_?_zext_imm): New patterns.
2916 (xorsi_?_zext): New patterns.
2917 (xordi_?_rex64): New patterns and splitters.
2918 (xorsi_?_zext): New patterns.
2919 (negdi*): New patterns.
2920 (one_cmpldi*): Likewise.
2921 (one_cmplsi*_zext, negsi*_zext): Likewise.
2922 (testqi_ext_3_rex64): New pattern.
2924 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2926 * i386-protos.h (ix86_split_long_move): Return void.
2927 * i386.c (ix86_split_to_parts): Handle 64bit target.
2928 (ix86_split_long_move): Likewise.
2929 * i386.md (all calls to ix86_split_long_move): Update.
2931 2001-03-23 Richard Henderson <rth@redhat.com>
2933 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2934 to avoid shadowing arguments.
2936 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2938 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2939 to variable names where DECL_NAME is different from
2940 DECL_ASSEMBLER_NAME.
2942 2001-03-23 Jim Wilson <wilson@redhat.com>
2944 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2945 (assemble_alias): Call make_decl_rtl.
2947 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2949 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2951 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2953 * extend.texi: Document the "java_interface" attribute.
2955 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2957 * mkconfig.sh: Use a subshell with redirected stdout,
2958 instead of closing stdout and confusing commands that run
2959 afterward. Throw away output of cmp.
2961 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2963 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2965 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2967 * i386.md (zero_extendsidi2_32): Break out from ...
2968 (zero_extendsidi2): ... here ; turn to expander.
2969 (zero_extendsidi2_rex64): New.
2970 (extendsidi2_32): Break out from ...
2971 (extendsidi2): ... here ; turn to expander.
2972 (extendsidi2_rex64): New.
2973 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2974 (trunc?f?f splitters): Add 64bit versions.
2976 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2978 * i386.md (pushsi, pushsi2_prologue): Disable.
2979 (pushsi2_rex64): New.
2980 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2981 (movqi_ext_1): Disable for 64bit.
2982 (movqi_ext_1_rex64): New.
2983 (pushdi2_rex64): New pattern, peep2s and splitter.
2984 (pushdi2_prologue_rex64): New pattern.
2985 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2987 (movdi splitters): Disable for 64bit.
2988 (movdi_1_rex64): New pattern, peep2s and splitters.
2989 (swapdi): New pattern.
2990 (pushsf): Disable for 64bit.
2991 (pushsf_rex64): New pattern and splitter.
2992 (pushdf_nointeger): Disable for 64bit.
2993 (pushdf_integer): Handle the 64bit case.
2994 (pushtf): Likewise; update splitters.
2996 2001-03-22 Richard Henderson <rth@redhat.com>
2998 * mkconfig.sh: Include insn-flags.h.
2999 * Makefile.in (CONFIG_H): Include insn-flags.h.
3000 (lots of objects): Remove insn-codes.h and insn-flags.h.
3002 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3003 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3004 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3005 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3006 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3007 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3008 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3009 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3010 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3011 v850/v850.c, vax/vax.c:
3012 Don't include insn-flags.h.
3014 * diagnostic.c, expr.h, reload.c, toplev.c:
3015 Don't include insn-codes.h.
3017 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3018 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3019 c4x/c4x.c, i960/i960.c, mips/mips.c:
3020 Don't include insn-codes.h or insn-flags.h.
3022 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3023 or insn-flags.h in the generated code.
3024 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3025 (main): Forward declare struct rtx_def.
3027 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3029 * invoke.texi (-ffast-math): Remove duplicate line about
3032 * gcc.texi: Remove more obsolete documentation of bugs and
3033 installation problems.
3035 2001-03-21 Kazu Hirata <kazu@hxi.com>
3037 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3040 2001-03-20 Jason Merrill <jason@redhat.com>
3042 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3044 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3045 * varasm.c (CHKR_PREFIX): Likewise.
3047 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3049 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3050 is part of a multi-SET insn.
3052 * cse.c (find_comparison_args): Remove previous change.
3053 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3056 * config/i386/i386.md (conditional_trap): Remove warning.
3058 * recog.c (push_operand): Fix error in last change that caused
3059 undefined symbol on many targets.
3061 * sdbout.c: #include ggc.h.
3062 (sdbout_init): Move to end of file.
3063 Call ggc_add_tree_root for anonymous_types.
3064 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3065 (sdbout_one_type): Use DECL_NAME for field name.
3066 * Makefile.in (sdbout.o): Show includes ggc.h.
3068 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3070 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3071 (override_options): Use properlimits for preferred_stack_boundary.
3072 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3074 (ext_register_operand): Accept DImode.
3075 (load_pic_register): Abort on 64bit.
3076 (gen_push): Use Pmode instead of SImode.
3077 (ix86_save_reg): Pic reg is never used on 64bit.
3078 (ix86_expand_prologue): Likewise.
3079 (ix86_emit_save_regs): Use Pmode instead of SImode.
3080 (legitimate_address_p): Check displacement for 64bit.
3081 (print_operand): Avoid outputting of (%rip) on 64bit.
3082 (print_operand_address): Output (%rip) where possible.
3083 (split_di): Abort on 64bit registers.
3084 (ix86_expand_branch): DImode comparison is simple for x86_64.
3085 (memory_address_length): Recognize memory addresses formed using
3087 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3089 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3091 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3093 * recog.c (push_operand): Recognize new format of push instructions.
3095 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3097 * i386.md (pushqi1): New.
3098 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3099 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3100 x86_64_immediate_operand, x86_64_immediate_operand,
3101 x86_64_zext_immediate_operand): Declare.
3102 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3103 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3104 x86_64_immediate_operand, x86_64_immediate_operand,
3105 x86_64_zext_immediate_operand): define.
3106 * i386.h (PREDICATE_CODES): Add new predicates.
3108 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3110 * i386.md (pophi1, popqi1, pushqi1): Remove.
3112 * expr.c (emit_single_push_insn): New function.
3113 (move_by_pieces): Accept NULL as destination for push instructions.
3114 (gen_push_operand): Kill.
3115 (emit_push_insn): Pass NULL when pushing; avoid updating of
3116 stack_pointer_delta.
3117 * expr.h (gen_push_operand): Kill.
3119 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3121 * rtl.texi (COMPARE): Clarify documentation and reference section
3124 2001-03-20 Stan Shebs <shebs@apple.com>
3126 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3127 (get_object_reference): Ditto.
3128 (error_with_ivar): Use error_with_file_and_line.
3129 (warn_with_method): Use warning_with_file_and_line.
3131 2001-03-20 Tom Tromey <tromey@redhat.com>
3133 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3135 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3137 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3138 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3140 2001-03-20 DJ Delorie <dj@redhat.com>
3142 * Makefile.in (install-libgcc): Pass complete list of variables.
3143 (install-multilib): Ditto.
3145 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3147 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3148 drectve_section, switch_to_section.
3150 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3151 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3152 i386_pe_mark_dllimport.
3154 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3156 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3157 functions i386_pe_*.
3159 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3160 i386_pe_* functions with char * arguments.
3162 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3164 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3166 (movsi_ie): Introduce fpul store.
3168 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3170 * Makefile.in (OBJS): Remove hashtab.o.
3172 2001-03-19 Stan Shebs <shebs@apple.com>
3174 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3175 * c-lang.c (maybe_objc_method_name): Ditto.
3176 * c-tree.h (maybe_objc_method_name): Remove decl.
3178 2001-03-19 Tom Tromey <tromey@redhat.com>
3180 * gcc.c (init_gcc_specs): Fix comment.
3182 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3184 Compute DECL_ASSEMBLER_NAME lazily.
3185 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3186 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3187 (SET_DECL_ASSEMBLER_NAME): Likewise.
3188 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3189 (set_decl_assembler_name): Declare.
3190 (lang_set_decl_assembler_name): Likewise.
3191 * tree.c (lang_set_decl_assembler_name): New variab.e
3192 (set_decl_assembler_name): New function.
3193 (init_obstacks): Set lang_set_decl_assembler_name.
3194 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3195 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3196 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3197 where it's not necessary.
3198 (builtin_function): Likewise.
3199 (finish_decl): Likewise.
3200 * dbxout.c (dbxout_type_methods): Likewise.
3201 * ggc-common.c (ggc_mark_trees): Likewise.
3202 * profile.c (output_func_start_profiler): Likewise.
3203 * varasm.c (make_decl_rtl): Likewise.
3205 * cse.c (find_comparison_args): Update documentation. Fix
3206 mishandling of COMPARE operations.
3208 * tree.def (ABS_EXPR): Add documentation.
3209 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3211 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3213 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3215 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3217 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3218 Remove ia32 linux PIC kludge and move it...
3219 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3221 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3223 * i386.md (absdf2 expander): Fix 64bit case.
3225 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3227 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3229 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3231 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3233 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3235 * README.X11: Remove obsolete file.
3237 2001-03-18 Anthony Green <green@redhat.com>
3239 * config/pj/pj.h: Remove some trailing commas.
3240 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3242 2001-03-18 Richard Henderson <rth@redhat.com>
3244 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3245 * calls.c: ... here.
3246 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3247 defaults for them here.
3249 2001-03-17 Anthony Green <green@redhat.com>
3251 * config/pj/lib1funcs.S: Fix broken comment.
3252 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3255 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3257 * gcc.texi: Remove obsolete information relating to build and
3258 installation problems with enquire or the Pyramid C compiler.
3260 2001-03-17 Richard Henderson <rth@redhat.com>
3262 * dwarf2out.c (queue_reg_save): New.
3263 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3264 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3266 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3267 (cfa, cfa_store, cfa_temp): Make static.
3268 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3270 2001-03-17 Richard Henderson <rth@redhat.com>
3272 * integrate.h (struct inline_remap): Add local_return_label.
3273 * integrate.c (expand_inline_function): Initialize it and emit
3274 it after copy_insn_notes.
3275 (copy_insn_list): Don't store local_return_label here.
3276 (copy_insn_notes): New function split out from copy_insn_list.
3278 2001-03-17 Richard Henderson <rth@redhat.com>
3280 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3281 is generating .debug_line.
3282 (dwarf2out_init): Add main_input_filename to the file table first.
3283 * configure.in (as_dwarf2_debug_line): Test with file number 1
3284 instead of file number 0.
3286 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3288 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3289 (gen_rtx_combine): Deleted; all references changed as appropriate.
3290 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3292 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3294 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3296 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3299 2001-03-16 Jim Wilson <wilson@redhat.com>
3301 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3302 then set it to LOC_REG (79) instead of aborting.
3304 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3306 * gccbug.in: Remove high priority.
3308 2001-03-16 Richard Henerson <rth@redhat.com>
3310 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3311 output with a space instead of deleting it.
3312 * configure: Regenerate.
3314 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3316 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3317 handles the gory details of converting an object file into
3318 something that's safe to grep.
3319 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3320 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3321 newlines at either end of the string we're looking for.
3322 Make 'checking ...' message less stilted.
3323 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3324 ARM in-memory layout and its hypothetical converse. Don't
3325 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3326 HOST_WORDS_BIG_ENDIAN.
3328 * configure.in: Adjust for renamed macro. Move
3329 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3330 * configure, config.in: Regenerate.
3332 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3334 * fixinc/Makefile.in: Set SHELL.
3336 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3338 * fixinc/fixincl.c (fix_with_system): Quote file names before
3339 passing them to shell.
3341 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3343 * Makefile.in: Use fix-header$(build_exeext) instead
3346 2001-03-16 Richard Henderson <rth@redhat.com>
3348 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3349 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3350 (size_of_line_prolog): Remove.
3351 (output_line_info): Compute prologue size via label difference.
3352 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3354 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3355 assembler error when redefining file numbers.
3356 * config.in, configure: Rebuild.
3358 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3359 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3360 (dw2_asm_output_delta_uleb128): Likewise.
3361 (dw2_asm_output_delta_sleb128): Similarly.
3362 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3364 2001-03-16 Michael Meissner <meissner@redhat.com>
3366 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3368 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3370 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3372 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3373 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3374 being unsigned in ISO C and signed in traditional.
3375 (expand_prologue): Ditto.
3376 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3378 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3380 (divsi3,divdi3): Ditto.
3381 (modsi3,moddi3): Ditto.
3382 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3383 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3384 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3387 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3389 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3390 SSE based conditional moves on LTGT/UNEQ conditions;
3391 Canonicalize EQ to NE.
3392 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3393 (sse_mov?fcc_ne): New.
3395 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3397 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3399 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3400 register may be dead.
3402 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3404 * Makefile.in (hash.o): Depend on CONFIG_H.
3406 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3408 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3410 2001-03-15 Richard Henderson <rth@redhat.com>
3412 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3413 (ASM_OUTPUT_DWARF_PCREL): New.
3414 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3416 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3418 * cppfiles.c (stack_include_file): Use MAX of sysp.
3420 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3422 * config.gcc (ia64*-*-hpux*): New case.
3423 * config/ia64/hpux.h: New file for HP-UX support.
3424 * config/ia64/t-hpux: New file for HP-UX support.
3426 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3428 * fixinc/inclhack.def (irix_stdio_va_list): New.
3429 * fixinc/fixincl.x: Rebuilt.
3431 2001-03-15 Richard Henderson <rth@redhat.com>
3433 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3434 if provided by the target.
3435 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3436 (dw2_asm_output_addr): New.
3437 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3438 * dwarf2out.c (output_cfi): Use it for program addresses.
3439 (output_call_frame_info, output_die): Likewise.
3440 (output_aranges, output_line_info): Likewise.
3442 2001-03-15 Bruce Korb <bkorb@gnu.org>
3444 * gcc.c(main): make more rigorous
3445 * collect2.c(main): guard against ignoring SIGCHLD
3446 * protoize.c(main): ditto
3447 * gcc/fixinc/fixincl.c(initialize): ditto
3449 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3451 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3452 (sdbout_parms): Likewise.
3454 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3456 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3457 "widen" a destination that is already wider than a word. Also do
3458 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3460 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3462 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3464 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3466 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3468 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3470 * i960.h (i960_maxbitalignment,
3471 i960_last_maxbitalignment): Declare.
3472 * i960.c (i960_maxbitalignment,
3473 i960_last_maxbitalignment): Make global.
3474 (process_pragma): Delete.
3475 (i960_pr_align, i960_pr_noalign): Move from here ...
3476 * i960-c.c: ... to this new file.
3477 * t-960bare (i960-c.o): New rule.
3478 * t-vxworks960 (i960-c.o): Likewise.
3479 * config.gcc (i960-*-*): Define c_target_objs and
3482 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3484 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3485 without adding in rtx code and mode.
3487 * alias.c (init_alias_analysis): Don't use any rtx whose value
3488 varies as a known value.
3489 Delete a superfluous test.
3491 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3493 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3494 scheduling a stop bit.
3495 (ia64_emit_nops): Correctly handle ASMs.
3497 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3499 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3501 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3503 * cpp.texi: Update documentation for -include and -imacros.
3504 * cppfiles.c (struct include_file): Remove "defined" memeber.
3505 (find_or_create_entry): Make a copy of the file name, and
3507 (open_file): Update to ensure we use the simplified filename.
3508 (stack_include_file): Don't set search_from.
3509 (cpp_included): Don't simplify the path name here.
3510 (find_include_file): New prototype. Call search_from to
3511 get the start of the "" include chain. Don't simplify the
3513 (_cpp_execute_include): New prototype. Move diagnostics to
3514 do_include_common. Update.
3515 (_cpp_pop_file_buffer): Don't set defined.
3516 (search_from): New prototype. Use the preprocessor's cwd
3517 for files included from the command line.
3518 (read_name_map): Don't simplify the pathname here.
3519 * cpphash.h (enum include_type): New.
3520 (struct buffer): Delete search from. New search_cached.
3521 (_cpp_execute_include): Update prototype.
3522 * cppinit.c (do_includes): Use _cpp_execute_include.
3523 * cpplib.c (do_include_common): New function.
3524 (do_include, do_include_next, do_import): Use it.
3526 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3528 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3529 contents of the RTL, to determine the name of the object.
3531 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3533 * tree.h (DECL_RTL): Allocate RTL lazily.
3534 (SET_DECL_RTL): New macro.
3535 (DECL_RTL_SET_P): Likewise.
3536 (COPY_DECL_RTL): Likewise.
3537 (DECL_RTL_IF_SET): Likewise.
3538 * varasm.c (make_decl_rtl): Add assertions about the kind of
3539 declaration we are processing.
3540 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3541 (start_decl): Likewise.
3542 (finish_decl): Likewise.
3543 * c-semantics.c (emit_local_var): Likewise.
3544 * calls.c (expand_call): Likewise.
3545 * dbxout.c (dbxout_symbol): Likewise.
3546 * emit-rtl.c (unshare_all_rtl): Likewise.
3547 (unshare_all_decls): Likewise.
3548 (reset_used_decls): Likewise.
3549 * expr.c (store_constructor): Likewise.
3550 (safe_from_p): Likewise.
3551 (expand_expr): Likewise.
3552 * function.c (put_var_into_stack): Likewise.
3553 (instantiate_decls_1): Likewise.
3554 (assign_parms): Likewise.
3555 (expand_function_start): Likewise.
3556 (expand_function_end): Likewise.
3557 * ggc-common.c (gcc_mark_trees): Likewise.
3558 * integrate.c (function_cannot_inline_p): Likewise.
3559 (copy_decl_for_inlining): Likewise.
3560 (expand_inline_function): Likewise.
3561 (integrate_parm_decls): Likewise.
3562 (integrate_decl_tree): Likewise.
3563 * print-tree.c (print_node): Likewise.
3564 * reg-stack.c (stack_result): Likewise.
3565 * stmt.c (label_rtx): Likewise.
3566 (expand_return): Likewise.
3567 (expand_decl): Likewise.
3568 (expand_decl_cleanup): Likewise.
3569 (expand_anon_union_decl): Likewise.
3570 * toplev.c (check_global_declarations): Likewise.
3571 (rest_of_decl_compilation): Likewise.
3572 * tree.c (simple_cst_equal): Likewise.
3573 * objc/objc-act.c (generate_static_references): Likewise.
3575 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3577 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3578 gcc_AC_C_FLOAT_FORMAT): New macros.
3579 * configure.in: Add AC_PROG_CPP after CC tests;
3580 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3581 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3582 * configure, config.in: Regenerate.
3584 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3585 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3586 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3587 config/i370/xm-linux.h, config/i370/xm-oe.h,
3588 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3589 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3590 config/pa/xm-linux.h, config/pa/xm-pa.h,
3591 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3592 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3593 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3594 config/we32k/xm-we32k.h: Delete.
3596 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3597 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3598 config/vax/xm-vms.h: Don't define any of:
3599 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3601 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3603 * config.gcc: Remove references to deleted files.
3604 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3605 FATAL_EXIT_CODE, which is the same between oe and mvs).
3607 2001-03-14 DJ Delorie <dj@redhat.com>
3608 Vladimir Makarov <vmakarov@redhat.com>
3610 * config/i960/i960.c (i960_function_prologue): Compute size of
3611 frame according to number of registers actually saved there.
3613 2001-03-14 Richard Henderson <rth@redhat.com>
3615 * expr.c (emit_move_insn_1): Fix else if around #endif.
3617 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3620 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3623 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3625 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3626 (override_options): Parse cmodel string.
3627 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3628 * i386.h (TARGET_OPTIONS): Add "cmodel".
3629 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3631 (ix86_cmodel_string, ix86_cmodel): Declare.
3633 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3636 * i386.h (GENERAL_REG_P): Add missing REG_P.
3638 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3640 * configure.in: Use $gcc_cv_as instead of $as.
3641 * configure: Regenerated.
3643 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3645 * cppfiles.c (stack_include_file): Only increase the include
3646 count if we actually process the file properly, as opposed
3647 to treating it as length zero. Only call read_include_file
3648 if not DO_NOT_REREAD. Handle the -H include file output
3650 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3651 (cpp_included, find_include_file): Simplify pathnames after
3652 remapping them. If remapping, don't use the remapped file
3653 name's buffer as our scratch buffer.
3654 (cpp_pop_file_buffer): Replace the multiple include macro
3655 only if it isn't yet set.
3656 (read_name_map): Simplify remapped names when reading in.
3657 (remap_filename): Move code to code path that uses it.
3658 (_cpp_simplify_pathname): Return the input pointer.
3659 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3661 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3663 * expr.c (expand_expr): Revove bogus conditional.
3665 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3667 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3669 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3671 * reg-stack.c (stack_result): Unconditionally use
3672 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3674 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3676 * expr.c (emit_move_insn_1): Split push of complex value when
3677 no suitable push instruction exist.
3679 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3680 instead of QI_REG_P.
3682 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3684 * alias.c (handled_component_p, can_address_p): New functions.
3685 (get_alias_set): Use them.
3687 2001-03-13 Jim Wilson <wilson@redhat.com>
3689 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3690 from 80 in try_locals code.
3691 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3693 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3695 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3696 gcc_AC_C_LONG_LONG): New.
3697 * configure.in: Use them. Probe the size of short, int, long,
3698 and long long/__int64 if we have them. Move all the AC_C_*
3699 checks together, except gcc_AC_C_CHAR_BIT which has to go
3700 after AC_CHECK_HEADERS(limits.h).
3701 Take hwint.h out of host_xm_file and build_xm_file.
3703 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3704 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3705 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3706 Move the HOST_WIDEST_INT setup logic here from system.h.
3707 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3709 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3710 is now handled by hwint.h.
3712 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3713 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3714 config/ia64/xm-ia64.h: Don't define any of:
3715 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3716 HOST_BITS_PER_LONGLONG.
3718 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3719 config/h8300/xm-h8300.h, config/mips/iris6.h,
3720 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3721 config/sparc/xm-sp64.h: Delete.
3722 * config.gcc: Remove references to deleted files.
3724 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3725 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3726 * config/i370/xm-linux.h: Clarify floating-point situation in
3729 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3731 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3732 (find_include_file): Decide here which part of the include
3733 chain to start the search. Complain about an empty include
3734 chain in all cases apart from an abolsute file name.
3735 (_cpp_execute_include): Don't choose the search chain here.
3736 Don't call handle_missing_include in the case of an empty
3738 (_cpp_compare_file_date): Don't choose the search chain here.
3739 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3740 here from _cpp_execute_include. Behave like #include if
3741 we're in the main file.
3743 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3745 * system.h (malloc, realloc, calloc, strdup): Only poison these
3746 tokens when IN_GCC is defined.
3748 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3750 * i386.md (abs?f expander): Support SSE case.
3751 (abd?f_if): Add new "USE"; add splitters.
3753 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 * cpp.texi (poison): Explain the macro expansion exception.
3757 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3759 * expr.c (store_expr): Add dont_store_target. If temp is already in
3760 target before copying to reg, don't store it into target again.
3762 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3764 * cppinternals.texi: Update for file handling.
3766 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3768 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3769 2001-02-24 which broke building the Java library.
3770 * function.c (identify_blocks): Likewise.
3771 (all_blocks): Likewise.
3772 * integrate.c (integrate_decl_tree): Likewise.
3773 * print-tree.c (print_node): Likewise.
3774 * tree.h (BLOCK_NUMBER): Likewise.
3775 (struct tree_block): Likewise.
3777 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3779 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3780 __WCHAR_TYPE__ definition.
3781 (WCHAR_TYPE_SIZE): #undef before #define.
3783 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3785 * cppfiles.c: Update comments.
3786 (destroy_include_file_node): Rename destroy_node.
3787 (find_or_create_entry): New function.
3788 (open_file, _cpp_fake_include): Use it.
3789 (handle_missing_header): New function, broken out of
3790 _cpp_execute include. Don't segfault if there is no
3791 system or quoted path.
3792 (_cpp_execute_include): Use handle_missing_header.
3794 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3796 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3797 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3799 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3801 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3802 unless anti_dependence says they are.
3803 * alias.c (objects_must_conflict): If neither has a type specified,
3806 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3807 David Billinghurst <David.Billinghurst@riotinto.com>
3809 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3811 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3813 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3814 (*_one_bit): Remove type on the match_operand in attributes.
3816 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3818 * i386.c: Commit forgotten hunk in previous patch.
3819 (regclass_map): Add extended registers.
3820 (dbx_register_map): Add missing frame register.
3822 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3824 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3826 * i386.md (x86_sahf_1): Disable for 64bit.
3827 (popsi*, pophi*): Likewise.
3828 (pushqi, pushhi): Likewise.
3829 (movdi, pushdi): Likewise.
3830 (zero extend DImode splitter): Likewise.
3831 (adddi, minusdi splitter): Likewise.
3832 (umulsidi): Likewise.
3834 (mulsidi): Disable for 64bit
3835 (lshift:DI/ashift:DI): Disable for 64bit.
3836 (loop patterns): Likewise.
3837 (call_pop, call_value_pop expanders and patterns): Likewise.
3838 (prologue_get_pc): Likewise.
3840 (fcmovDI pattern and splitter): Likewise.
3841 (movdfcc_1_rex64): New.
3843 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3845 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3846 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3847 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3848 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3849 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3850 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3851 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3852 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3853 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3854 (REGPARM_MAX): Set to 6 for x86_64.
3855 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3856 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3859 * (patterns that does use upper halves): Update constraints
3860 'q' to 'Q' and 'r' to 'R'.
3861 (cmpqi_ext_1): Disable for 64bit.
3862 (cmpqi_ext_3_insn): Likewise.
3863 (movqi_extzv_1): Likewsie.
3864 (addqi_ext_1): Liekwsie
3865 (testqi_ext_1): Liekwsie
3866 (andqi_ext_1): Liekwsie
3867 (xorqi_ext_1): Liekwsie
3868 (cmpqi_ext_1_rex64): New.
3869 (cmpqi_ext_3_insn_rex64): Likewise.
3870 (movqi_extzv_1_rex64): Likewsie.
3871 (addqi_ext_1_rex64): Liekwsie
3872 (testqi_ext_1_rex64): Liekwsie
3873 (andqi_ext_1_rex64): Liekwsie
3874 (xorqi_ext_1_rex64): Liekwsie
3876 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3878 * configure.in: Move check for unsigned enumerated bitfields
3879 to macro in aclocal.m4. Disable it for now.
3880 * configure, config.in: Regenerate.
3881 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3882 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3883 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3884 kind above its first use.
3886 * config/xm-interix.h, config/alpha/xm-alpha.h,
3887 config/i370/xm-linux.h, config/i386/xm-beos.h,
3888 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3889 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3890 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3891 Don't define ONLY_INT_FIELDS under any circumstances.
3893 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3895 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3896 config/sparc/xm-sysv4.h: Delete - now identical with some
3898 * config.gcc (hppa targets): Replace xm-pahpux.h and
3899 xm-papro.h with implicit xm-pa.h.
3900 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3903 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3905 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3906 before reload_cse_noop_set_p.
3908 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3910 * config.gcc: Where xm-host.h used to include another
3911 xm-host.h, list the nested header directly in xm_file. Remove
3912 references to deleted files. Can now use sparc/xm-sp64.h for
3915 * config/xm-linux.h, config/arm/xm-linux.h,
3916 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3917 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3918 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3919 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3920 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3923 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3924 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3925 bother to wrap #undef in #ifdef.
3926 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3927 Don't include xm-linux.h.
3928 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3930 * configure.in: Wrap regexps using [] in changequote block.
3931 Use expr : not echo | grep. Simplify regexps.
3932 * configure: Regenerate.
3934 56 xm-files remain, 22 xm-arch.
3936 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3938 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3939 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3940 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3941 (copy_object): Fix format specifier vs argument mismatch.
3943 * mips-tdump.c: Make local functions static.
3944 (rindex): Don't #undef.
3945 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3946 (fatal, fancy_abort): Delete.
3947 (read_seek): Avoid signed/unsigned compare.
3949 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3951 * combine.c (try_combine): Fix error in change to try original
3953 (gen_rtx_combine): Do same as gen_rtx for now.
3955 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3957 * configure.in: AC_SUBST xm_defines.
3958 * configure: Regenerate.
3959 * Makefile.in: Set DEFINES=$(xm_defines) when building
3962 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3964 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3965 (cpp_included, find_include_file): Update.
3966 (_cpp_compare_file_date): Make else unconditional.
3968 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3970 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3972 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3974 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3975 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3977 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3979 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3980 if it's a record type.
3982 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3984 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3985 mingw includes slightly.
3987 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3989 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3990 #undef token before poisoning it.
3992 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3994 * alpha.c (check_float_value): Use memcpy, not bcopy.
3996 * m32r.c (m32r_sched_reorder): Likewise.
3998 * vax.c (check_float_value): Likewise.
4000 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4002 * toplev.c (file_name_nondirectory): Remove.
4003 * toplev.h: Similarly.
4004 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4005 of file_name_nondirectory.
4007 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4009 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4010 * mips-tfile.c: Don't #undef rindex; not used.
4012 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4014 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4015 (dbx64_register_map): Declare.
4016 (RETURN_ADDR_RTX): Fix for 64bit.
4017 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4018 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4019 * i386.c (dbx64_register_map): New global array.
4020 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4021 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4024 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4026 * cppfiles.c (search_from): Use lbasename.
4027 * mkdeps.c (deps_add_default_target): Use lbasename.
4029 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4032 xcalloc in lieu of malloc, realloc & calloc.
4034 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4036 * gengenrtl.c (xmalloc): Likewise.
4038 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4039 really_call_* memory allocation routines.
4041 * stmt.c (check_for_full_enumeration_handling): Use
4042 really_call_calloc, not calloc.
4044 * system.h (really_call_malloc, really_call_calloc,
4045 really_call_realloc): Define.
4046 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4048 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4050 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4052 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4054 * configure: Rebuilt.
4055 * configure.in: Only use `lang_requires' for languages athat are
4058 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4060 * invoke.texi: Fix typo.
4061 * gcc.1: Regenerate.
4063 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4065 * configure.in: Prune nonexistent files from build_xm_file,
4066 xm_file, and host_xm_file lists. Warn unless they're
4068 Don't generate *config.h here.
4069 AC_SUBST all variables needed to generate *config.h.
4070 * configure: Regenerate.
4071 * mkconfig.sh: New helper script, from code removed from
4073 * Makefile.in: Zap all MALLOC variables - no longer used
4074 anywhere, and malloc.c doesn't exist.
4075 Substitute in variables needed to generate *config.h.
4076 Stop lying about the dependencies contained in CONFIG_H and
4078 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4079 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4080 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4081 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4082 $(TM_P_H), etc. as appropriate.
4084 * config.gcc: Zap references to deleted files.
4085 * ggc-none.c: Don't include rtl.h or tm_p.h.
4087 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4088 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4089 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4090 config/i386/xm-linux.h, config/i386/xm-linux.h,
4091 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4092 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4093 Don't include i386/xm-i386.h.
4095 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4096 config/i386/xm-i386.h, config/i860/xm-i860.h,
4097 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4098 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4099 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4100 Delete (empty except comments, #includes of other deleted
4101 files, and macros used nowhere).
4103 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4105 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4106 independent on TARGET_FLAGS.
4108 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4110 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4112 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4114 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4116 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4117 LAST_REX_SSE_REG): define.
4118 (enum reg_class): Add 'LEGACY_REGS'
4119 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4120 (SSE_REGNO_P): Recognize extended registers.
4121 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4122 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4123 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4124 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4125 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4126 REG_OK_FOR_STRREG_P): Remove.
4127 (HI_REGISTER_NAMES): Add extended registers.
4128 (ADDITIONAL_REGISTER_NAMES): Likewise.
4129 (QI_REGISTER_NAMES): Add 8bit extended registers.
4130 (DEBUG_REG): Support extended registers.
4131 * i386.c (regclass_map): Add extended registers.
4132 (dbx_register-map): Likewise.
4133 (svr4_dbx_register_map): Likewise.
4134 (print_reg): Support extended registers.
4135 (print_operand): Support 64bit operands.
4137 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4139 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4140 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4141 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4142 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4143 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4144 STACK_BOUNDARY): Set properly for 64bits.
4145 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4146 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4147 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4148 (MOVE_MAX): Set to 16.
4149 (MOVE_MAX_PIECES): 8 for 64bit.
4150 (Pmode): Set to SImode.
4152 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4154 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4156 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4158 * i386.h (mask_64bit): New constant.
4159 (target_64bit): New macro.
4160 (target_options): Add '64'/'32'
4161 (target_default): Define.
4162 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4163 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4164 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4166 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4168 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4170 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4172 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4173 LO_SUM unless for_alias is set.
4175 2001-03-08 Stan Shebs <shebs@apple.com>
4177 * objc/objc-act.c: Fix old typos in comments, add comments for
4179 (hash_init): Fix file name in error message.
4180 (hash_enter): Ditto.
4181 (hash_add_attr): Ditto.
4182 (continue_class): Ditto.
4184 2001-03-08 Bruce Korb <bkorb@gnu.org>
4186 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4187 wait4() can receive the signal.
4189 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4191 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4193 * fixinc/fixincl.x: Regenerate.
4195 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4197 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4199 * fixinc/fixincl.x: Regenerate.
4201 2001-03-08 Richard Henderson <rth@redhat.com>
4203 * configure.in (HAVE_AS_LEB128): New assembler check.
4204 * configure, config.in: Rebuilt.
4206 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4208 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4211 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4213 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4214 references to the MAXPATHLEN macro.
4216 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4217 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4220 * config/i386/xm-gnu.h, config/xm-gnu.h,
4221 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4222 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4223 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4224 and/or unused files.
4226 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4227 doing so in various xm-*.h files.
4229 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4231 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4233 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4235 * configure.in (enable_shared): Support per-package shared-library
4237 * configure: Rebuilt.
4239 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4241 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4242 for crnot. Set operands[5] in splitter.
4244 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4246 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4247 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4248 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4249 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4250 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4251 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4252 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4255 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4256 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4257 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4258 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4259 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4260 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4261 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4262 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4263 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4264 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4265 Delete unused and/or empty files.
4267 * config.gcc: Define USG in xm_defines as appropriate. Define
4268 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4269 macro. Remove deleted xm-* files from $xm_files variable.
4271 2001-03-07 Tom Tromey <tromey@redhat.com>
4273 * configure: Rebuilt.
4274 * configure.in: Allow config-lang.in to set `lang_requires' to list
4275 of other required languages.
4277 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4279 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4281 (output_prologue): Use xmalloc not oballoc.
4282 (output_epilog): Free a29k_first_epilogue_insn when finished.
4283 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4285 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4287 * builtins.c (expand_builtin_mathfn): Check
4288 flag_unsafe_math_optimizations, not flag_fast_math.
4289 (expand_builtin): Likewise
4290 * combine.c (combine_simplify_rtx): Likewise.
4291 (simplify_if_then_else): Likewise.
4292 * cse.c (fold_rtx): Likewise.
4293 * flags.h: Remove flag_fast_math. Add
4294 flag_unsafe_math_optimizations and flag_trapping_math.
4295 * fold-const.c (negate_expr): Check
4296 flag_unsafe_math_optimizations, not flag_fast_math.
4297 (invert_truthvalue): Likewise.
4298 (fold): Likewise. Before associating operands, check that
4299 code == MULT_EXPR, not code != MULT_EXPR.
4300 * ifcvt.c (noce_try_minmax): Check
4301 flag_unsafe_math_optimizations, not flag_fast_math.
4302 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4303 * invoke.texi: Document -funsafe-math-optimizations and
4304 -fno-trapping-math. Change documentation for -ffast-math.
4305 * jump.c (reversed_comparison_code_parts): Likewise.
4306 (rtx_equal_for_thread_p): Likewise.
4307 * optabs.c (emit_conditional_move): Likewise.
4308 * simplify-rtx.c (simplify_binary_operation): Likewise.
4309 (simplify_relational_operation): Likewise.
4310 (simplify_ternary_operation): Likewise.
4311 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4312 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4313 Add trapping-math and unsafe-math-optimizations entries to f_options.
4314 (set_fast_math_flags): New, sets flags for -ffast-math.
4315 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4316 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4317 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4319 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4320 (alpha_emit_conditional_move): Initialize local_fast_math to
4321 flag_unsafe_math_optimizations, not flat_fast_math.
4322 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4323 instead of setting flag_fast_math to 1.
4324 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4326 * config/i386/i386.c (override_options): Likewise
4327 * config/i386/i386.md: Likewise.
4328 * config/m68k/m68k.md: Likewise.
4329 * config/mips/mips.md: Likewise.
4330 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4331 (rs6000_generate_compare): Likewise.
4333 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4335 * Makefile.in: Set RANLIB to @RANLIB@.
4338 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4340 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4341 * fixinc/fixincl.x: Regenerated.
4343 2001-03-07 Richard Henderson <rth@redhat.com>
4345 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4347 2001-03-07 Richard Henderson <rth@redhat.com>
4349 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4350 of block notes and exception handling notes.
4352 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4353 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4354 (compile_file): ... here.
4356 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4358 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4360 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4361 config.h now. Include libiberty.h to handle alloca.
4363 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4365 * c-parse.in (yylexname): New function, split out of _yylex.
4366 (objc_rid_sans_at): New table.
4367 (init_reswords): Initialize it.
4368 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4369 retrieving the next token and checking it for significance as
4370 an ObjC keyword or string constant.
4372 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4373 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4375 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4378 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4380 * config/m68k/m68k.c (const_uint32_operand): Accept any
4381 const_int on a 32-bit host.
4383 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4385 * objc/objc-act.c (init_objc): Set save_lang_status,
4386 restore_lang_status, and mark_lang_status.
4388 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4390 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4392 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4394 * cppinternals.texi: Update.
4396 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4398 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4399 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4400 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4401 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4402 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4403 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4404 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4405 config/i386/xm-i386.h, config/i860/xm-i860.h,
4406 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4407 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4408 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4409 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4410 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4411 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4412 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4413 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4414 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4415 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4416 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4417 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4418 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4419 match the defaults provided in hwint.h.
4421 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4422 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4424 * config.gcc (xm_file): Don't set to files which are deleted.
4426 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4427 guard this file against these macros being undefined.
4429 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4431 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4432 and DECL_DEFER_OUTPUT on the decl we create, before calling
4433 rest_of_decl_compilation.
4435 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4437 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4439 * configure, config.in: Regenerate.
4440 * config.gcc: Remove references to deleted files.
4442 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4443 genrecog.c, rtl.c: Do not use alloca anywhere.
4445 * Makefile.in, build-make, system.h, config/x-interix,
4446 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4447 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4448 config/arc/xm-arc.h, config/arm/xm-arm.h,
4449 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4450 config/h8300/xm-h8300.h, config/i370/x-oe,
4451 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4452 config/i386/x-ncr3000, config/i386/x-sco5,
4453 config/i386/xm-dgux.h, config/i860/x-sysv4,
4454 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4455 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4456 config/m68k/x-hp320g, config/m69k/x-mot3300,
4457 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4458 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4459 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4460 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4461 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4462 config/mips/x-iris, config/mips/x-iris3,
4463 config/mips/x-sni-svr4, config/mips/x-sysv,
4464 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4465 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4466 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4467 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4468 config/pa/xm-papro.h, config/romp/xm-romp.h,
4469 config/rs6000/x-aix31, config/rs6000/x-aix41,
4470 config/rs6000/x-beos, config/rs6000/x-lynx,
4471 config/rs6000/x-mach, config/rs6000/x-rs6000,
4472 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4473 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4474 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4475 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4476 config/vax/xm-vms.h: Eradicate all references to alloca and
4479 * config/xm-alloca.h, config/clipper/x-clix,
4480 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4481 config/i860/x-sysv3, config/m88k/x-sysv3,
4482 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4483 (contained only alloca related hacks).
4485 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4488 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4490 * invoke.texi: Document __FAST_MATH__.
4492 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4494 * crtstuff.c: Restore include of auto-host.h.
4496 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4498 Put main() in a separate file, so that the language
4499 front-end can use a different main().
4502 * toplev.c: (main): Rename as toplev_main.
4503 * toplev.h: Declare toplev_main.
4504 * Makefile.in (OBJS): add toplev.o.
4505 (BACKEND): remove toplev.o, add main.o.
4507 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4509 * cppfiles.c (search_from): Special case the empty string.
4511 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4513 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4514 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4515 strlen or strcpy; we already know the length.
4516 (_cpp_compare_file_date): Similarly.
4517 * cpphash.h (struct cpp_reader): Delete done_initialising.
4518 (CPP_PREV_BUFFER): Delete.
4519 * cppinit.c (cpp_start_read): Don't set done_initialising.
4520 * cpplex.c (parse_string): Guarantee null-termination.
4521 (_cpp_equiv_toklists): Remove.
4522 * cpplib.c (glue_header_name): Null-terminate.
4523 (do_line): Don't leak memory.
4524 * cpplib.h (BT_WEAK): Delete.
4525 * cppmain.c (cb_ident): Strings are now null-terminated.
4527 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4529 * gcc.c (convert_filename): Append executable suffix
4530 if NO_AUTO_EXE_SUFFIX is not defined.
4531 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4532 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4534 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4536 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4537 * c-parse.gperf, c-gperf.h: Delete.
4538 (c-gperf.h was accidently re-added to the CVS repo in the rev
4539 1.16 commit by tromey)
4541 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4543 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4544 macro arguments when looking for the '('.
4545 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4546 2 when really parsing arguments; 1 when looking for '('.
4547 Always restore the lexer position.
4549 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4551 * longlong.h (umul_ppmm): Don't use a multiline string.
4553 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4555 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4556 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4557 t_bool in declaration because pcc can't combine volatile with typedef
4560 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4562 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4563 until when it is really needed.
4564 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4565 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4566 * i386.md (float?i?f splitter): Don't force source operand to memory
4568 (sse_movdfcc): Fix constraint.
4569 (sse_movdfcc splitter): Handle properly the second alternative.
4571 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4573 * cpplex.c (parse_string): Unconditionally pedwarn.
4575 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4578 * cppexp.c (parse_number): Update.
4579 * cpplex.c (parse_string): Pedwarn if multiline string does not
4580 result from a system header's macro.
4581 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4582 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4583 for function-like macros too.
4584 * c-lex.c (lex_number): Update.
4586 2001-03-03 Richard Henderson <rth@redhat.com>
4588 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4590 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4592 * combine.c (try_combine): If split with mode-changed scratch
4593 register didn't work, try the original mode.
4595 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4597 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4598 * config/c4x/c4x.h: Likewise.
4599 * stor-layout.c (compute_record_mode): Likewise.
4600 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4602 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4604 * configure.in: Kill tm.h. Include the files in the $tm_file
4605 list in all three of config.h, hconfig.h, tconfig.h, after the
4606 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4607 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4608 * configure: Regenerate.
4609 * Makefile.in (clean): Don't delete tm.h.
4611 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4612 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4613 those are not defined, set SEC and FEC to 0 and 1.
4614 * gcc.texi: Update to match.
4616 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4617 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4618 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4619 Include tconfig.h, not tm.h.
4621 * config/xm-lynx.h, config/xm-std32.h,
4622 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4623 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4624 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4625 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4626 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4627 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4628 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4629 config/i386/xm-i386.h, config/i860/xm-i860.h,
4630 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4631 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4632 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4633 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4634 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4635 config/pa/xm-linux.h, config/pa/xm-pa.h,
4636 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4637 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4638 config/pj/xm-pj.h, config/romp/xm-romp.h,
4639 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4640 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4641 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4642 config/v850/xm-v850.h, config/vax/xm-vax.h,
4643 config/we32k/xm-we32k.h:
4645 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4647 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4648 config/i370/xm-oe.h: Don't include tm.h. Don't define
4650 * config/vax/xm-vms.h: Don't include tm.h.
4652 * config/xm-lynx.h, config/avr/xm-avr.h,
4653 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4654 Delete; made empty by above changes.
4655 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4656 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4657 Don't include config/xm-lynx.h or tm.h.
4659 * config/xm-gnu.h: Don't include fcntl.h.
4660 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4662 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4664 2001-03-02 Richard Henderson <rth@redhat.com>
4666 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4667 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4669 2001-03-02 Richard Henderson <rth@redhat.com>
4671 * Makefile.in (OBJS): Add dwarf2asm.o.
4672 * dwarf2asm.c, dwarf2asm.h: New files.
4673 * dwarf2out.c (*): Use them.
4674 (size_of_uleb128, size_of_sleb128): Remove.
4675 (output_uleb128, output_sleb128): Remove.
4676 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4677 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4678 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4679 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4680 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4681 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4682 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4683 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4684 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4685 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4686 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4687 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4688 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4689 (dwarf2out_frame_debug): Remove unused variables.
4690 (output_loc_operands): Don't abort on 8 byte constants if
4691 host integers are wide enough.
4692 (output_symbolic_ref): Remove.
4693 (size_of_die): Don't assume 4 byte host integers.
4694 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4696 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4697 something stupid with HOST_WIDE_INT to long truncation.
4698 [CONST_DOUBLE]: Likewise.
4700 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4701 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4702 * config/arm/unknown-elf.h: Likewise.
4703 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4704 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4705 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4706 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4707 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4708 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4709 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4710 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4711 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4712 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4713 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4714 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4716 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4718 * cselib.c (hash_rtx): Cast enums to unsigned int.
4720 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4722 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4723 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4725 * c-format.c (C_STD_VER): Cast to int for comparisons.
4726 (check_function_format): Cast various enums to int for &.
4727 (maybe_read_dollar_number): Likewise.
4728 (check_format_info): Likewise.
4729 (check_format_info_main): Likewise.
4730 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4731 (safe_from_p): Likewise.
4732 * varasm.c (const_hash): Cast enum to int for %.
4733 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4734 pcc enum problems with < and ++ operators.
4735 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4736 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4737 (regclass_init): Change enum class to int to iterate over reg_classes.
4738 * genrecog.c (merge_trees): Cast enums for comparison.
4739 * rtl.h (GET_CODE): Cast to enum rtx_code.
4740 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4741 (GET_MODE): Cast to enum machine_mode.
4742 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4743 (GET_NOTE_INSN_NAME): Cast enum to int.
4744 * tree.h (TREE_CODE): Cast to enum tree_code.
4745 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4746 * timevar.c (timevar_print): Change loop variable id from enum to
4748 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4749 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4750 * toplev.c (compile_file): Cast enum DFI to int.
4751 (decode_d_option): Likewise.
4753 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4755 * cppinit.c (append_include_chain): Mark "after" include file name list
4756 as a system directory.
4757 * cpp.texi: Document new behavior.
4759 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4761 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4763 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4765 * cppfiles.c (struct include_file): Update.
4766 (stack_include_file): Use search_from.
4767 (cpp_included, find_include_file): Update.
4768 (cpp_execute_include): Update. ptr->name may not be
4769 null terminated. Use the new search_from member variable
4771 (_cpp_compare_file_date): Similarly.
4772 (search_from): New function, similiar to actual_directory.
4773 (actual_directory): Delete.
4774 (remap_filename): Update. loc->name may not be null terminated.
4775 (struct file_name_list): Rename search_path. Update.
4776 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4777 search_from and dir.
4778 (struct cpp_reader): Remove actual_dirs.
4779 * cppinit.c (struct cpp_pending): Update for renamed objects.
4780 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4781 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4782 * cpplib.h (struct cpp_options): Similarly.
4784 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4786 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4787 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4788 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4789 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4790 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4791 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4792 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4793 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4794 config/i370/xm-oe.h, config/i386/xm-aix.h,
4795 config/i386/xm-i386.h, config/i386/xm-osf.h,
4796 config/i860/xm-i860.h, config/i960/xm-i960.h,
4797 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4798 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4799 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4800 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4801 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4802 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4803 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4804 config/pj/xm-pj.h, config/romp/xm-romp.h,
4805 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4806 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4807 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4808 config/v850/xm-v850.h, config/vax/xm-vax.h,
4809 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4810 Do not define TRUE or FALSE.
4812 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4813 empty by above change.
4814 * config.gcc: Remove references to these files.
4816 * configure.in: Detect stdbool.h.
4817 * configure, config.in: Regenerate.
4818 * system.h: Include stddef.h here if available.
4819 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4820 Then set up a sensible boolean type at the very end.
4822 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4823 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4825 * hash.h: Delete 'boolean' typedef and related #undefs.
4827 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4828 all uses of 'boolean' with 'bool'.
4830 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4832 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4833 * cppexp.c (lex): Cast enums for comparison.
4834 * cppinit.c (parse_option): Cast enum for comparison.
4835 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4836 (cpp_output_token): Likewise.
4837 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4838 (cpp_avoid_paste): Cast enums for minus and comparison.
4840 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4842 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4843 field to all array elements.
4845 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4847 * cpphash.h (struct cpp_reader): Add print_version field.
4848 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4849 just set print_version and other flags as appropriate.
4850 (cpp_post_options): Print version here if print_version is set.
4852 * toplev.c (exit_after_options): New flag.
4853 (independent_decode_option): Don't exit here; just set
4855 (main): Exit after calling lang_hooks.post_options if
4856 exit_after_options is true.
4858 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4859 (merge_include_chains): Adjust comment to match code.
4861 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4863 * stringpool.c (set_identifier): New function.
4864 * tree.h: Prototype it.
4866 * c-parse.in: Kill D_YES. If compiled for objc, call
4867 save_and_forget_protocol_qualifiers from init_reswords.
4868 * objc/objc-act.c (remember_protocol_qualifiers,
4869 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4870 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4872 (save_and_forget_protocol_qualifiers): New function.
4873 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4875 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4877 * c-semantics.c (prune_unused_decls): Return error_mark_node
4878 instead of (tree) 1 to stop traversing the tree chain.
4880 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4882 Fix a problem introduced by Kenner's Feb 18 change.
4883 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4884 flag_cse_skip_blocks only temporarily, not for ever.
4886 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4888 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4889 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4891 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4892 before determining its register class.
4894 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4896 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4897 from reg 4 if current_function_calls_setjmp.
4898 (gen_nop_type): New function.
4899 (ia64_emit_nops): New function.
4900 (ia64_reorg): Call it.
4901 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4903 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4904 code not to try to optimize adds with anything but a REG destination.
4906 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4907 (INSN_PRIORITY_KNOWN): New accessor macro.
4908 * haifa-sched.c (priority): Use it instead of testing priority against
4911 2001-02-28 DJ Delorie <dj@redhat.com>
4913 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4914 since that doesn't work the way gcc wants on a generic m68k.
4916 2001-02-28 Richard Henderson <rth@redhat.com>
4918 * caller-save.c (save_call_clobbered_regs): Fix typo in
4919 comparison last change.
4921 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4923 * i386.c (pentium4_cost): New.
4924 (m_PENT4): New macro.
4925 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4926 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4927 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4928 x86_memory_mismatch_stall): Add Pentium4
4929 (x86_use_q_reg, x86_use_any_reg): Kill.
4930 (override_options): Add pentium4.
4931 (incdec_operand): Return 0 for pentium4.
4932 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4933 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4934 (TARGET_PENTIUM4): Define.
4935 (enum processor_type): Add PROCESSOR_PENTIUM4.
4936 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4937 * i386.md (attribute "cpu"): Add pentium4.
4938 * invoke.texi (march): Add pentium4.
4940 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4942 * i386.md (sse_mov?fcc*): New patterns and splitters.
4943 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4944 the SSE based conditional moves.
4946 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4948 * i386.md (attribute mode): Add "TI".
4949 (movsf_1): Add pxor support; remove constant propagation splitter.
4950 (movdf_integer): Likewise.
4951 (movdf_nointeger): Likewise.
4952 (movxf constant prop splitter): Handle all modes; update for SSE.
4953 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4954 * i386.c (standard_80387_constant_p): Rewrite.
4955 (standard_sse_constant_p): New.
4956 * i386-protos.h (standard_sse_constant_p): New.
4958 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4960 * i386.md (sse_setccsf, sse_setccdf): New.
4961 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4963 * i386.c (sse_comparison_operator): Accept the supported unordered
4964 comparses; be ready for fast_math.
4965 (print_operand): Support 'D'.
4967 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4969 * jump.c (reversed_comparison_code): Kill.
4971 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4973 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4976 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4978 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4979 add missing '%' in constraints.
4981 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4983 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4984 for HOST_BITS_PER_WIDE_INT == 32 too.
4986 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4988 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4990 (insert_save, insert_restore): New parameter save_mode.
4991 (init_caller_save): Update initialization of reg_save_code
4992 and reg_restore_code.
4993 (save_call_clobbered_regs): Compute save_modes and update calls to
4994 reg_save_code and reg_restore_code.
4995 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4996 of spill; update use of reg_restore_code.
4997 (insert_save): Likewise.
4998 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4999 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5000 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5002 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5004 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5005 noce_try_store_flag_inc, noce_try_store_flag_mask,
5006 noce_try_cmove_arith):
5007 Use reversed_comparison_code instead of reverse_comparison and
5008 can_reverse_comparison_p.
5010 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5012 * jump.c (reversed_comparison_code_parts): Allow reversal of
5013 unordered compares in -ffast-math mode; reverse ordered compares
5014 for FP even w/o -ffast-math.
5016 2001-02-27 Richard Henderson <rth@redhat.com>
5018 * print-rtl.c (print_rtx) [i]: Don't print field five on
5019 NOTEs other than NOTE_INSN_DELETED_LABEL.
5021 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5023 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5024 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5026 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5028 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5029 even if walk_subtrees is 0.
5030 * c-semantics.c (prune_unused_decls): Return a non-null value to
5031 stop traversing the tree chain.
5033 2001-02-27 DJ Delorie <dj@redhat.com>
5035 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5036 register, *then* define it as the new CFA.
5038 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5040 * pa.c (override_options): Promote -fpic to -fPIC.
5041 (legitimize_pic_address): Simplify due to removal of
5042 small PIC as a code generation option.
5043 (secondary_reload_class): Similarly.
5044 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5045 (PRINT_OPERAND_ADDRESS): Similarly.
5046 * pa.md (various patterns): Similarly.
5047 (small pic lo_sum pattern): Remove.
5049 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5052 * md.texi (min, max): Document
5054 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5056 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5057 TARGET_PARTIAL_REG_DEPENDENCY.
5058 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5060 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5062 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5064 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5066 * mips.c (mips_make_temp_file): Fix thinko in last change.
5068 2001-02-26 Jason Eckhardt <jle@redhat.com>
5070 * combine.c (known_cond): Do not reverse the condition when
5071 SMAX/UMAX is being considered and the condition is for equality
5074 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5076 2001-02-26 Philip Blundell <philb@gnu.org>
5078 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5080 * config/arm/linux-elf.h: Remove historical relics related to
5081 above configurations.
5082 * config/arm/linux-oldld.h: Delete.
5083 * config/arm/linux-elf26.h: Delete.
5085 2001-02-26 Jason Merrill <jason@redhat.com>
5087 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5089 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5090 recognize a tentative definition. Lose obsolete code.
5092 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5093 variables unless necessary, either.
5095 2001-02-25 Richard Henderson <rth@redhat.com>
5097 * ifcvt.c (struct noce_if_info): Add test_bb.
5098 (noce_get_alt_condition): New.
5099 (noce_try_minmax, noce_try_abs): New.
5100 (noce_operand_ok): New.
5101 (noce_process_if_block): Use them.
5102 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5104 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5106 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5109 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5111 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5112 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5114 (mips_asm_file_end): Free temp_filename here.
5116 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5118 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5119 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5121 * config/i386/i386.md (movstrsi): Handle FAIL case.
5123 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5125 * cppinit.c (builtin_array): Update.
5126 (init_builtins): Flag builtins to warn if redefined or
5127 undefined. Define __GXX_WEAK as a normal macro.
5128 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5129 * cpplib.h (NODE_WARN): New flag.
5130 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5131 Handle __STDC__ as a builtin only on Solaris.
5132 (warn_of_redefinition): Renamed from check_macro_definition.
5133 Reverse sense of test. Always warn if NODE_WARN.
5134 (_cpp_create_definition): Use warn_of_redefinition. Flag
5135 any macro beginning with "__STDC_" to require a mandatory
5136 warning if redefined or undefined.
5138 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5140 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5141 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5142 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5143 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5144 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5145 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5146 Don't define any of:
5147 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5148 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5149 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5150 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5151 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5153 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5154 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5157 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5158 Delete now-empty file.
5160 * alpha/vms.h: Define NEED_ATEXIT here...
5161 * alpha/xm-vms.h: ...not here.
5163 * i386/cygwin.h: Don't define PARAMS.
5164 * mips/mips.c: Don't prototype mktemp. Don't define
5165 P_tmpdir. Use make_temp_file to create temporary files.
5166 Don't be clever and delete temporary files early.
5167 * config.gcc: Drop references to deleted files. Don't define
5169 * gcc.texi: Don't mention USE_PROTOTYPES.
5171 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5173 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5174 (ix86_set_move_mem_attrs_1): Likewise.
5175 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5176 * config/i386/i386.md (movstrsi): Call it.
5178 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5180 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5181 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5182 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5183 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5185 (i750a-*-*): Error here if hosting on i750a.
5186 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5188 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5189 Remove (empty modulo comments).
5191 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5192 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5193 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5194 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5195 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5196 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5198 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5199 Remove reference to winnt.h in comment.
5200 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5202 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5204 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5205 used to set another biv.
5207 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5209 * tree.h (BLOCK_DEAD): New macro.
5210 (struct tree_block): New flag, dead_flag.
5211 * print-tree.c (print_node, case 'b'): Print missing fields.
5212 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5213 * function.c (identify_blocks): Enable test for misplaced notes.
5214 (all_blocks): Skip BLOCK_DEAD blocks.
5215 * integrate.c (integrate_decl_tree): Likewise.
5217 * errors.c (internal_error, trim_filename): New functions.
5218 (fancy_abort): Call internal_error.
5219 * errors.h (internal_error, trim_filename): New declarations.
5221 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5223 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5225 (EXTRA_CONSTRAINT): Formatting changes.
5227 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5229 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5231 2001-02-23 Per Bothner <per@bothner.com>
5233 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5234 so they can be called from java/jvspec.c.
5235 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5237 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5239 * i386.c (ix86_frame): New structure.
5240 (ix86_compute_frame_size): Kill.
5241 (ix86_compute_frame_layout): New.
5242 (ix86_save_reg): New.
5243 (ix86_can_use_return_insn_p): Use frame layout stuff.
5244 (ix86_expand_prologue): Likewise.
5245 (ix86_expand_epilogue): Likewise.
5246 (ix86_initial_elimination_offset): Likewise.
5247 (ix86_nsaved_regs): Use ix86_save_reg.
5248 (ix86_emit_save_regs): Likewise.
5250 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5252 * flow.c (find_sub_basic_blocks): New function.
5253 (split_block): Be ready for basic block introduced by CODE_LABEL.
5254 (commit_one_edge_insertion): Call find_sub_basic_block.
5256 * flow.c (make_edges): Add edge from entry for blocks starting with
5257 label having ALTERNATE_NAME
5259 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5261 * function.c (epilogue_done): Be ready for first basic block not
5262 containing PROLOGUE_END note.
5263 (reposition_prologue_and_epilogue_notes): Avoid placing
5264 PROLOGUE_END note between BASIC_BLOCK.
5266 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5268 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5270 2001-02-21 DJ Delorie <dj@redhat.com>
5272 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5273 check for current_function_has_nonlocal_goto from 1999-11-12.
5275 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5277 * diagnostic.c (trim_filename): No longer static.
5278 * toplev.h (trim_filename): Declare.
5279 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5280 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5281 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5282 (rtvec_check_failed_bounds): Likewise.
5283 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5285 * convert.c (convert_to_integer): Don't do unsigned unless result or
5286 both inputs are unsigned.
5288 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5291 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5293 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5295 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5297 * Makefile.in (resource.o): Add params.h dependence.
5298 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5299 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5300 * resource.c: Add dependence on params.h.
5301 (current_live_regs): Fix explanatory comment.
5302 (find_basic_block): Add new parameter to permit limiting search
5304 (mark_target_live_regs): Add new argument to find_basic_block call.
5305 (incr_ticks_for_insn): Likewise.
5307 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5309 * diagnostic.c (output_to_stream): Rename to
5310 output_buffer_to_stream. Loses the stream parameter.
5311 (init_output_buffer): Set diagnosic_buffer's stream.
5312 (flush_diagnostic_buffer): Adjust.
5313 (default_print_error_function): Likewise.
5314 (finish_diagnostic): Likewise.
5315 (verbatim): Likewise.
5317 * diagnostic.h (struct output_buffer): Add `stream' field.
5318 (output_buffer_attached_stream): New macro.
5320 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5322 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5323 check if either operand is divisible by C.
5324 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5325 If type is signed, consider negative numbers as well.
5327 2001-02-22 Richard Henderson <rth@redhat.com>
5329 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5330 reach .text instead of gp-relative relocs.
5331 * config/ia64/crtend.asm (.init): Likewise.
5333 2001-02-22 Andreas Jaeger <aj@suse.de>
5335 * extend.texi (C++ Attributes): Fix typo.
5337 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5339 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5340 functions, drop current_function_args_info.words test.
5341 (ia64_compute_frame_size): Mark syscall_linkage functions as
5342 using eight input registers.
5344 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5345 Bruce Korb <bkorb@gnu.org>
5347 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5348 * fixinc/README: Document how to convert sed substitutions
5349 to format style c_fix-es.
5350 * fixinc/fixincl.x: regen
5352 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5354 * gcc.c: Add comment explaining how to add a command-line option.
5355 Add title to specs language comment.
5357 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5359 * gcc.c (cc1_options): Add "-param".
5360 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5361 (option_map): Likewise.
5362 * toplev.c (display_help): Add entry for "--param".
5363 (independent_decode_option): Fix typographical error.
5365 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5366 Bernd Schmidt <bernds@redhat.com>
5367 Jan Hubicka <jh@suse.cz>
5369 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5370 (function_arg): Likewise.
5372 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5374 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5376 2001-02-21 Kazu Hirata <kazu@hxi.com>
5378 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5382 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5384 * flow.c (init_propagate_block_info): Canon address and use single_set
5385 for killing dead memory stores.
5387 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5389 * Makefile.in (reorg.o): Add params.h dependence.
5390 * params.def: Fix typographical error in comment.
5391 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5392 * params.h: Modify introductory comment.
5393 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5394 * reorg.c: Add dependence on params.h.
5395 (redundant_insn): Add parameterized throttle for search.
5396 (fill_simple_delay_slots): Add a comment explaining a variable.
5397 Move conditional out of loop, simplifying code.
5398 (fill_eager_delay_slots): Fix typographical error in comment.
5400 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5402 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5404 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5405 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5407 2001-02-21 Jason Merrill <jason@redhat.com>
5409 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5410 (struct tree_decl): Add uninlinable bitfield.
5411 * c-decl.c (duplicate_decls): Set it.
5412 * integrate.c (function_cannot_inline_p): Check it.
5414 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5415 DW_AT_MIPS_linkage_name to abstract methods.
5416 (dwarf2out_abstract_function): Emit class context before calling
5417 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5418 (gen_subprogram_die): Remove obsolete code.
5419 (gen_member_die): Don't include clones in the member list.
5420 (gen_decl_die): Emit abstract info for clone origin.
5421 * dwarfout.c (output_type): Don't include clones in the member list.
5422 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5423 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5424 DECL_ABSTRACT on a function that already has it set.
5426 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5427 (get_subprogram_die): Pass it in.
5429 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5431 * flow.c (mark_set_1): Make not_dead unsigned long. For
5432 non-pseudos, use it as a bitmask of the hard regs that
5435 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5437 * cppfiles.c: Update comments.
5438 (_cpp_read_file): Don't check for NULL filenames any more.
5439 * cppinit.c (cpp_start_read): Don't do canonicalization of
5440 in_fname and out_fname. Use the passed file name exclusively.
5441 (_cpp_handle_options): Don't treat "-" as a command line option,
5442 but as a normal filename.
5443 (_cpp_post_options): Canonicalize in_fname and out_fname.
5444 * cppmain.c (printer_init): Don't check out_fname for NULL.
5445 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5446 (init_c_lex): Update, and use "" to represent stdin to CPP.
5449 2001-02-20 Will Cohen <wcohen@redhat.com>
5451 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5452 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5453 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5456 2001-02-20 Stan Shebs <shebs@apple.com>
5458 * config/rs6000/rs6000.c (output_cbranch): Output branches
5459 on separate lines instead of using ';' to separate.
5461 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5463 * cppinit.c (set_lang): Move builtin handling to...
5464 (init_builtins): ...here.
5465 (_cpp_create_reader): Move call to set_lang.
5467 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5469 * stmt.c (expand_return): If an attempt is made to return the
5470 error_mar_node, treat the return like a return without a value.
5472 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5474 * sibcall.c (skip_copy_to_return_value): Call
5475 identify_call_return_value here, and return orig_insn if it
5476 returns zero. Hardret and softret arguments now unnecessary.
5477 (call_ends_block_p): Don't call identify_call_return_value here.
5479 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5481 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5482 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5484 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5486 * pa.c (move_operand): Accept code to load the address of a
5487 symbol out of the DLT as a valid move operand.
5488 (print_operand, case 'A'): New to handle generating a DLT
5489 reference for a LO_SUM expression.
5490 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5491 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5493 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5495 * README, cpp.texi, gcc.texi, version.c: Update version number to
5497 * cpp.1, gcov.1, gcc.1: Regenerate.
5499 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5501 * cppfiles.c (stack_include_file): Generate dependencies
5502 here, and manage include_count here too.
5503 (PRINT_THIS_DEP): Delete.
5504 (_cpp_execute_include): Do not generate dependencies here,
5505 apart from the case of a missing header. Do not manage
5507 (_cpp_read_file): Leave dependency generation to
5510 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5512 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5513 target_cpu_default. Remove dead assignment to
5516 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5518 * regclass.c (contains_reg_of_mode): Make global.
5519 (init_reg_sets): Remove contains_reg_of_mode; take into account
5520 CLASS_MAX_NREGS when looking for the proper mode.
5521 (dump_regclass): Dump only classes considered for the pseudo.
5522 (regclass): Use contains_reg_of_mode.
5524 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5526 * gcc.c (do_spec_1): 'n' for printing notices.
5527 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5529 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5531 * reg-stack.c (next_flags_user): Use current_block->end
5532 (swap_rtx_condition): Look for next user if flags don't die;
5533 give up on CALL_INSNs; use current_block->end.
5535 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5537 * sibcall.c (call_ends_block_p): New function.
5538 (optimize_sibling_and_tail_recursive_call): Use it.
5540 2001-02-18 Kazu Hirata <kazu@hxi.com>
5542 * config/h8300/h8300.md: Update copyright.
5543 (andsi3): Do not output an extra newline character.
5545 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5547 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5548 FNDECL may be unused.
5550 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5551 follow jumps after first run.
5552 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5553 it doesn't change any jumps.
5555 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5557 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5558 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5559 (mostlyclean): Corresponding changes.
5560 * rtlanal.c (hard-reg-set.h): Include.
5561 (rtx_unstable_p): Do not treat the argument pointer specially
5562 if it is not a fixed register.
5563 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5565 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5567 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5568 against last real insn in basic block.
5569 Rework to avoid gotos.
5571 * Makefile.in (gcse.o): Now includes ggc.h.
5572 * gcse.c: Include ggc.h.
5573 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5574 (try_replace_reg): Remove warning of uninitialize variable.
5575 (process_insert_insn): Call invalid_insn_p to validate insn.
5576 * recog.c (insn_invalid_p): Now global.
5577 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5578 * recog.h (insn_invalid_p): New declaration.
5580 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5582 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5583 assignments from FP constants since 'Y' output code can't handle it.
5584 (eligible_for_sibcall_delay): Likewise.
5586 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5587 Call fancy_abort directly, passing args.
5588 (print_rtl_and_abort): Now a macro, like fancy_abort.
5590 * final.c (output_operand_lossage): Use internal_error, not error.
5592 2001-02-18 Shane Nay <shane@agendacomputing.com>
5594 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5595 structure shift insns.
5597 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5599 * invoke.texi (-fsquangle): Remove documentation.
5600 (-fname-mangling-version): Likewise.
5602 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5604 * optabs.c (expand_abs): Remove reference to
5605 HAVE_contitional_arithmetic.
5606 * combine.c (simplify_set): Likewise.
5608 2001-02-18 Richard Henderson <rth@redhat.com>
5610 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5613 2001-02-18 Richard Henderson <rth@redhat.com>
5615 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5617 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5619 * reload1.c (reload_cse_simplify_set): Fix typo.
5621 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5623 * diagnostic.c (_fatal_insn): Decrement errorcount.
5625 * invoke.texi (-I): Add note avoiding use for system header files.
5627 * rtl.h (add_clobbers): Remove duplicate declaration.
5628 * recog.h (added_clobbers_hard_reg_p): New declaration.
5629 * genemit.c (struct clobber_pat): New field has_hard_reg.
5630 (gen_insn): Record if added clobbers clobber hard reg.
5631 (gen_split): Avoid unused warning if number of operands is 0.
5632 (output_added_clobbers_hard_reg_p): New function.
5635 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5637 * pa.c (hppa_expand_prologue): Simplify code storing return
5638 pointer. For large (>=8k) frames with a post_store, adjust stack
5639 pointer by 8k-64 first rather than by 64. When testing with
5640 VAL_14_BITS_P, always use the actual value rather than the value
5641 negated. Add blockage to prevent scheduling of spills before
5642 stack frame has been created.
5643 (hppa_expand_epilogue): Simplify code loading return pointer.
5644 Allow a slightly larger range for merge_sp_adjust_with_load case.
5645 When testing with VAL_14_BITS_P, always use the actual value.
5647 * pa.c (pa_adjust_insn_length): Check that block move
5648 pattern is a set before looking at operands.
5650 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5652 * fold-const.c (fold_binary_op_with_conditional_arg): New
5653 function, split out from ...
5655 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5656 conditional arms that throw exceptions.
5658 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5661 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5663 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5664 define HAVE_DECL_* to 1 to mask potential backup declarations.
5665 * configure: Regenerated.
5667 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5669 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5671 2001-02-17 Richard Henderson <rth@redhat.com>
5673 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5674 when replacing a memory load with a register.
5676 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5677 Jan Hubicka <jh@suse.cz>
5679 * recog.c (validate_replace_src_1): New.
5680 (validate_replace_src_data): Likewise.
5681 (validate_replace_src): Use note_uses.
5682 * rtl.h (note_uses): Declare.
5683 * rtlanal.c (note_uses): New.
5685 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5687 * reg-stack.c (stack_def): Make field reg unsigned.
5688 (remove_regno_note): Unsignetize parameter.
5690 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5692 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5693 shladd_operand() call.
5695 2001-02-16 Bruce Korb <bkorb@gnu.org>
5696 Rodney Brown <RodneyBrown@mynd.com>
5698 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5699 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5700 machine restrictions
5701 * fixinc/fixincl.x: regen
5703 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5705 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5707 (hash_scan_insn): Clean up calls to hash_scan_set.
5708 (compute_kill_rd): REGNO now unsigned.
5709 (try_replace_reg): Rework to use simplify_replace_rtx.
5710 (cprop_jump, cprop_cc0_jump): Likewise.
5711 (cprop_insn): Call find_reg_equal_equiv_note.
5712 Reflect changes to cprop_jump and cprop_cc0_jump.
5714 * recog.c (validate_replace_src): Replace in operands of
5715 ZERO_EXTRACT in SET_DEST.
5717 * cse.c (new_label_ref): New variable.
5718 (insert): Set it instead of recorded_label_ref.
5719 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5720 CODE_LABEL for this function, and not already in REG_LABEL note.
5722 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5724 * resource.c (mark_referenced_resources): Fix typo in introductory
5726 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5729 2001-02-16 Jason Merrill <jason@redhat.com>
5731 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5733 (gen_subprogram_die): Don't abort on seeing a second definition if
5734 the previous one was abstract. Don't replace an abstract instance
5735 in the lookup table.
5737 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5738 gen_abstract_function.
5739 * dwarf2out.h: Declare it.
5740 * toplev.c (note_outlining_of_inline_function): New fn.
5741 * toplev.h: Declare it.
5742 * integrate.c (output_inline_function): Call it.
5743 * c-decl.c (duplicate_decls): Call it when redefining an extern
5744 inline. Don't inline the new defn.
5746 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5748 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5750 * .gdbinit: Rename to gdbinit.in.
5751 * gdbinit.in: New file,
5752 * configure.in: Generate .gdbinit from gdbinit.in.
5753 * configure: Regenerated.
5754 * Makefile.in (distclean): Always remove .gdbinit.
5756 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5758 * objc/objc-act.c (start_class): Register implemented_classes with
5761 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5763 * cppfiles.c (_cpp_make_system_header): Generate a file
5766 2001-02-15 Jim Meyering <meyering@lucent.com>
5768 * Makefile.in (install-common): Don't depend on installdirs here.
5769 Instead, make each of the lang.install-common targets (e.g.,
5770 c++.install-common in cp/Make-lang.in) depend on it.
5771 (install-driver): Depend on installdirs.
5773 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5775 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5777 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5780 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5782 * invoke.texi (--param): Document.
5784 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5786 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5788 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5790 * i386.md (extendsfdf2_2): Fix constraints.
5792 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5794 * i386.md (fop_df_3 splitter): Fix operand number.
5796 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5798 * invoke.texi (-mreg-alloc): Nuke.
5799 * i386.c (ix86_reg_alloc_order, regs_allocated,
5800 order_regs_for_local_alloc): Nuke.
5801 (override_options): Kill reg_alloc code.
5802 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5803 (REG_ALLOC_ORDER): SSE goes before I387.
5804 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5805 (ix86_reg_alloc_order): Likewise.
5806 * i386-protos.h (ix86_reg_alloc_order): Kill.
5808 2001-02-14 Richard Henderson <rth@redhat.com>
5810 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5812 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5814 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5816 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5818 * i386-protos.h (ix86_memory_move_cost): Move offline.
5819 * i386.c (ix86_register_move_cost): Compute properly cost of
5820 SSE, MMX and i387 instructions.
5821 (*_cost): Add costs of SSE/MMX moves.
5822 (ix86_memory_move_cost): Move offline from ....; Likewise.
5823 * i386.h (MEMORY_MOVE_COST): .... here;
5824 (struct processor costs): Add new fields to represent costs
5827 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5829 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5830 move_cost together with Matt Kraai's fix.
5832 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5834 * Makefile.in (OBJS): Add params.o.
5836 2001-02-14 Richard Henderson <rth@redhat.com>
5837 DJ Delorie <dj@redhat.com>
5839 * jump.c (jump_optimize_1): When we delete a conditional jump
5840 preceeding a non-conditional jump to effectively the same place,
5841 make sure that the combined jump skips any clobber insns between
5844 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5846 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5848 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5850 * Makefile.in (toplev.o): Depend on params.h.
5851 (intergate.o): Likewise.
5852 (params.o): New target.
5853 * flags.h (inline_max_insns): Remove.
5854 * integrate.c: Include params.h.
5855 Use MAX_INLINE_INSNS instead of inline_max_insns.
5856 * params.c: New file.
5857 * params.h: Likewise.
5858 * params.def: Likewise.
5859 * toplev.c: Include params.h.
5860 (lang_independent_params): New variable.
5861 (decode_f_option): Use the param machinery instead of setting
5863 (independent_decode_option): Handle "--param name=value".
5864 (main): Register language-independent parameters.
5866 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5868 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5870 2001-02-14 Richard Henderson <rth@redhat.com>
5872 * regclass.c (init_reg_sets_1): Revert last two changes.
5874 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5876 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5877 (variable_size): Call put_pending_size.
5878 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5879 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5880 sizes list, put newly created SAVE_EXPR there as well.
5882 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5884 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5885 (errata_find_address_regs): load_group has only 2 entries.
5886 (errata_emit_nops): Likewise. shladd is not problematic.
5887 Clear last_group if nop was emitted.
5888 (fixup_errata): load_group has only 2 entries.
5891 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5893 * c-lex.c (lex_number): Only warn traditionally for U suffix
5894 outside system macros.
5895 * cppexp.c (parse_number): Similarly.
5896 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5897 * cppmacro.c (struct cpp_macro): New member node.
5898 (parse_args): Only warn about missing rest args if not
5900 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5901 (cpp_sys_objmacro_p): New.
5902 (_cpp_create_definition): Store the node with the macro defn.
5903 Remember if the macro is defined in a system header.
5905 2001-02-13 DJ Delorie <dj@redhat.com>
5907 * configure.in (check_languages): determine languages to check
5908 * Makefile.in (check-c++): alias for check-g++
5909 (check-f77): alias for check-g77
5910 (CHECK_TARGETS): depend on configured languages
5912 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5914 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5915 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5916 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5917 (sqrtextendsfdf2): Disable for SSE2.
5919 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5921 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5922 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5923 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5924 (sqrtextendsfdf2): Disable for SSE2.
5926 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5928 * i386.md (movsfcc_1): Support integer cmove instruction.
5929 (movdfcc_1): Likewise; new splitter.
5931 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5933 * i386.c (output_fp_compare): Support SSE.
5934 (prepare_fp_compare_args): SSE comparisons always support memory.
5935 * i386.h (TARGET_CMOVE): SSE imply cmove.
5936 * i386.md (cmp?f2): Enable for SSE too.
5937 (cmpfp_i*): Support SSE.
5939 (cmpfp_i_sse_only): New.
5940 (s*, b* fp expanters): Enable for SSE too.
5941 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5944 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5946 * regclass.c (init_reg_sets_1): Silence warning.
5948 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5950 * i386.md (sqrt?f2): Change to expander.
5951 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5953 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5955 * rtlanal.c (find_reg_equal_equiv_note): New function.
5956 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5957 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5958 * rtl.h: Add declarations for above functions.
5960 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5962 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5964 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5965 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5966 * flow.c (mark_regs_live_at_end): Likewise.
5967 (calculate_global_regs_live): Likewise.
5968 * gcse.c (compute_hash_table): Likewise.
5969 (compute_kill_rd): Likewise.
5970 * resource.c (mark_target_live_regs): Likewise.
5971 * rtl.h (INVALID_REGNUM): New macro.
5973 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5975 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5977 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5979 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5982 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5984 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5986 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5987 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5988 (fop_sf_1_sse, fop_df_1_sse): New patterns
5989 (fop_*): Disable float_extend and float patterns for SSE compilation.
5990 * i386.c (output_387_binary_op): Support SSE.
5992 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5994 * i386.md (dummy_extendsfdf2): Support SSE2
5995 (extendsfdf2): Enable if 80387 or SSE2.
5996 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5997 and no MIX_I387_SSE2
5998 (extendsfdf2_1_sse_only): New pattern.
5999 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6001 (truncdfsf2_1): Support SSE.
6002 (truncdfsf2_2): Support SSE.
6003 (truncdfsf2_2_1_sse): New pattern.
6004 (fixtruncsfsi2): Always use SSE if available.
6005 (fix_truncsfsi_sse): New pattern.
6006 (fix_truncdfsi_sse): New pattern.
6007 (floatsis?f2): Support SSE.
6008 (floatsidf2_i387): New pattern.
6009 (floatsidf2_sse): Likewise.
6011 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6013 * configure.in: Use "have_gnat" variable, not "gnat".
6014 * configure: Regenerated.
6016 * config/sparc/sparc.c (function_value): Treat all non-record
6017 aggregate types like used to treat UNION_TYPE.
6019 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6021 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6022 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6024 (MASK_MIX_SSE_I387): New.
6025 (TARGET_SSE): SSE2 imply SSE.
6026 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6027 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6028 (enum reg_class): Add new classes.
6029 (REG_CLASS_NAMES): Likewise.
6030 (REG_CLASS_CONTENTS): Likewise.
6031 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6032 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6033 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6034 (CLASS_MAX_NREGS): Use new macros.
6035 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6036 * i386.md (pushsf, movsf): Support SSE.
6037 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6038 splitters to use ANY_FP_REGNO_P.
6039 (movdf_nointeger, movdf_integer): Likewise.
6041 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6043 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6044 (try_combine): Use it.
6046 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6048 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6049 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6050 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6051 (REGISTER_MOVE_COST): Likewise.
6052 * i386-protos.h (ix86_secondary_memory_needed,
6053 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6054 * i386.c (ix86_secondary_memory_needed,
6055 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6057 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6059 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6060 (HARD_REGNO_MODE_OK): Move offline to ....
6061 * i386.c (ix86_hard_regno_mode_ok) ... here;
6062 refuse all incorrect modes.
6063 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6065 2001-02-13 Richard Henderson <rth@redhat.com>
6067 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6068 entire operator; replicate that and match_dup the operands.
6069 (cmp_ccx_arith_op_set): Likewise.
6070 (cmp_cc_arith_op_not_set): Likewise.
6071 (cmp_ccx_arith_op_not_set): Likewise.
6073 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6075 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6077 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6079 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6080 (TARGET_NO_BITFIELD_WORD): New macro.
6081 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6082 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6084 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6086 * cselib.c: New file, from simplify-rtx.c.
6087 * simplify-rtx.c: Remove cselib parts.
6088 * Makefile.in: Add cselib.o.
6090 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6092 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6093 (setup_incoming_varargs): Remove warning.
6095 * config/rs6000/rs6000.c (validate_condition_mode): When
6096 flag_fast_math, allow floating-point conditionals to be reversed.
6097 (rs6000_generate_compare): When flag_fast_math, don't generate
6098 cror operations for FP conditionals.
6100 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6102 (ASM_SPEC): Likewise.
6103 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6104 (CC1_SPEC): Likewise.
6105 (LINK_TARGET_SPEC): Likewise.
6106 (CPP_ENDIAN_SPEC): Likewise.
6107 * Makefile.in (check-consistency): New target.
6109 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6111 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6112 "return type defaults" warning for functions with return type
6114 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6115 function declarations by default rather than only when pedantic.
6117 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6119 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6122 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6124 * extend.texi (Deprecated): Deprecate new initializer lists.
6126 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6128 * mkdeps.c (deps_add_default_target): Robustify. Add
6129 basename component only.
6130 * cpp.texi (-M): Describe how default target is generated.
6131 * invoke.texi (-M): Likewise.
6133 2001-02-12 Kazu Hirata <kazu@hxi.com>
6135 * toplev.c (push_float_handler): Remove.
6136 (pop_float_handler): Remove.
6137 * toplev.h: Remove prototypes for the above functions.
6139 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6141 * c-common.c (constant_fits_type_p): New function.
6142 (convert_and_check): Use it.
6144 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6146 * Makefile.in (GXX_ABI_FLAG): Don't define.
6147 * configure.in (--enable-new-gxx-abi): Remove option.
6148 * config.in: Regenerated.
6149 * configure: Likewise.
6151 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6153 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6155 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6156 regular basic block, and arrange for all edges into it to switch
6159 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6161 * Makefile.in (distclean): Do not remove .gdbinit.
6163 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6165 * Makefile.in (gcc.o): Fix typos.
6166 (protize.o): Likewise.
6167 (unprotoize.o): Likewise.
6169 2001-02-11 Richard Henderson <rth@redhat.com>
6171 * tree.c (build1): Check for null operand in last change.
6173 2001-02-11 Richard Henderson <rth@redhat.com>
6175 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6176 (fold): Don't assume a constant isn't foldable.
6177 * tree.c (build): Set TREE_CONSTANT for an expression with no
6178 side-effects and constant operands.
6181 2001-02-10 Richard Henderson <rth@redhat.com>
6183 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6185 2001-02-10 Anthony Green <green@redhat.com>
6187 * cpp.texi (Standard Predefined): Add documentation for
6190 * c-common.c (combine_strings): Improve warning message.
6192 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6194 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6196 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6198 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6200 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6203 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6205 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6208 2001-02-09 Nick Clifton <nickc@redhat.com>
6210 * config/arm/arm.md: Change output contraint on post inc
6211 load/store multiple patterns to be a read/write contraint.
6213 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6215 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6216 .o files when using the -M options.
6218 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6219 David Edelsohn <edelsohn@gnu.org>
6221 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6222 handle DImode constants. Use one TOC entry for SImode and smaller
6223 constants, aligned properly.
6225 2001-02-08 Jason Merrill <jason@redhat.com>
6227 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6228 about the SP adjustment for saving the static chain pointer.
6229 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6230 offset when setting a temporary CFA register.
6232 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6234 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6235 powerpc-*-chorusos* .
6236 * config/rs6000/chorus.h : New file.
6237 * config/i386/chorus.h : New file.
6238 * config/sparc/chorus.h : New file.
6239 * config/sparc/t-chorus-elf : New file.
6241 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6243 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6244 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6245 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6246 (__WCHAR_TYPE__): Correct macro name.
6248 2001-02-08 Richard Henderson <rth@redhat.com>
6250 * config/i386/i386.c (ix86_frame_pointer_required): New.
6251 (ix86_setup_frame_addresses): New.
6252 (struct machine_funciton): Add accesses_prev_frame.
6253 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6254 ix86_frame_pointer_required.
6255 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6256 (SETUP_FRAME_ADDRESSES): New.
6257 * config/i386/i386-protos.h: Update.
6258 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6259 from FRAME_POINTER_REQUIRED.
6260 * config/i386/svr3gas.h: Likewise.
6261 * config/i386/sysv3.h: Likewise.
6262 * config/i386/v3gas.h: Likewise.
6264 2001-02-08 Richard Henderson <rth@redhat.com>
6266 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6267 calculation of the number of integer registers required.
6268 (function_arg_record_value): Likewise.
6270 2001-02-08 Jason Merrill <jason@redhat.com>
6272 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6273 two. Print file and line with "confused" message.
6275 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6277 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6279 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6281 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6283 * final.c (cleanup_subreg_operands): The address of a MEM can
6286 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6289 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6291 * gcc.texi (Incompatibilities): Update documentation of
6292 preprocessing numbers.
6294 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6296 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6298 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6300 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6302 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6303 * gcc.c (struct compiler): Add cpp_spec field.
6304 (input_file_compiler): New variable.
6305 (do_spec_1): Allow a particular compiler to handle `%C'
6307 (main): Store the current compiler in input_file_compiler.
6308 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6310 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6312 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6313 * cppinit.c (cpp_create_reader): Initialize them.
6314 (append_include_chain): cxx_aware arg might be unused.
6315 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6316 keywords and give them their phase 7 meaning. Pedwarn about
6317 this unless '__bool_true_false_are_defined' is defined.
6319 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6321 * lcm.c (optimize_mode_switching): Emit mode_set before the
6322 JUMP_INSN of an abnormal edge.
6324 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6326 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6327 a scheduling barrier at the end.
6329 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6331 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6333 * config/sh/sh.md (reload_outsf): Removed.
6334 (movsf_ie): Introduce constraints for FPUL loads and stores.
6335 (reload_insf): Broaden the output constraint.
6337 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6339 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6340 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6342 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6344 * final.c: Revert my previous changes.
6345 * output.h: Make profile_label_no extern.
6346 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6347 for generating label.
6349 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6351 * config/i386/djgpp.h: Add comments about standard paths.
6352 (MD_EXEC_PREFIX): Undefine before defining.
6353 (MD_STARTFILE_PREFIX): New.
6355 2001-01-30 Bruce Korb <bkorb@gnu.org>
6357 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6358 (load_file): do not rely on load_file_data() to close file pointer
6359 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6360 fixinc/inclhack.def(irix_limits_const): add test_text
6362 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6364 * cppexp.c (parse_defined): Improve diagnostics for invalid
6367 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6369 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6371 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6373 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6374 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6375 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6376 (rs6000_output_symbol_ref): New function.
6377 (output_toc): Use VTABLE_NAME_P.
6379 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6381 * print-tree.c (print_node, case PARM_DECL):
6382 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6384 * stor-layout.c (reference_types_internal): New variable.
6385 (internal_reference_types): New function.
6386 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6387 * tree.h (internal_reference_types): New declaration.
6389 * cse.c (find_best_addr): Fix typo in computing cost.
6391 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6393 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6394 and this is the sum of a pointer and a constant, we know the result
6396 (num_sign_bit_copies, case PLUS): Likewise.
6397 * explow.c (convert_memory_address): Remove opposite SUBREG.
6398 * function.c (instantiate_new_reg): New function (from common code).
6399 (instantiate_virtual_regs_1): Call it.
6400 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6401 if pointers sign- or zero-extend.
6402 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6403 If pointers extend unsigned, use inside of SUBREG.
6404 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6406 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6408 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6409 subdir of gcc_gxx_include_dir.
6410 (gcc_gxx_target_include_dir): Remove.
6412 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6414 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6415 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6416 a high-level description.
6418 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6420 * final.c: Move the declaration of profile_label_no to ...
6421 * output.h: ... here.
6422 * function.c (expand_function_start): Call PROFILE_HOOK.
6423 * config/rs6000/aix.h: Define PROFILE_HOOK.
6424 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6425 * config/rs6000/rs6000.c (output_profile_hook): Define.
6426 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6427 output_profile_hook.
6428 tm.texi : Explain new macro PROFILE_HOOK.
6430 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6432 * extend.texi (Extended Asm): Do not say that semicolon is always
6433 a valid line-breaking character for GNU assemblers. Use
6434 newline-tab as the most commonly supported syntax. Use
6435 newline-tab rather than semicolon in multi-insn examples.
6437 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6439 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6441 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6442 David Edelsohn <edelsohn@gnu.org>
6444 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6445 code for AIX, even without flag_pic.
6447 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6449 * c-typeck.c (common_type): push and pop binding level around
6450 calling common_type on function parameters.
6452 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6454 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6456 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6458 * config/mips/mips.c (override_options): Fix typo in last change.
6459 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6460 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6462 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6464 * invoke.texi (-fdump-class-layout): Document.
6465 (-fdump-translation-unit): Use `=' as filename separator.
6467 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6469 * Makefile.in (s-mlib): Don't build multilibs if
6471 (DRIVER_DEFINES): Adjust accordingly.
6473 (protoize.o): Likewise.
6474 (unprotoize.o): Likewise.
6475 * configure.in: Recognize --enable-multilib.
6477 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6479 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6481 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6482 * configure.in: Remove --enable-libstdcxx_v3 support.
6483 * configure: Regenerated.
6485 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6487 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6488 Call abort instead of fatal.
6489 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6490 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6491 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6492 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6493 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6494 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6496 * diagnostic.h (set_internal_error_function): Renamed.
6497 * toplev.h (internal_error): Renamed from fatal.
6498 (pfatal_with_name): Deleted.
6499 (fatal_io_error): Now has printf-style arguments.
6500 * diagnostic.c (pfatal_with_name): Deleted.
6501 (fatal_io_error): Rework to have args in printf-style.
6502 (set_internal_error_function): Renamed from set_fatal_function.
6503 (internal_error): Renamed from fatal.
6504 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6505 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6506 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6507 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6508 * flow.c (verify_flow_info): Likewise.
6509 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6510 * config/mips/mips.c (save_restore_insns): Likewise.
6512 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6513 * flow.c (verify_flow_info): Likewise.
6514 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6515 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6516 (avr_normalize_condition): Likewise.
6517 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6518 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6519 (limit_reload_class, double_reg_to_memory): Likewise.
6520 (print_operand_address, emit_1600_code_shift): Likewise.
6521 (gen_tst_reg, gen_compare_reg): Likewise.
6522 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6523 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6525 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6527 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6528 * objc/objc-act.c (build_ivar_chain): Likewise.
6529 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6531 * graph.c (clean_graph_dump_file): Likewise.
6532 * profile.c (init_branch_prob): Likewise.
6533 * objc/objc-act.c (objc_init): Likewise.
6535 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6536 * config/avr/avr.c (avr_override_options): Likewise.
6537 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6538 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6539 * config/h8300/h8300.c (h8300_init_once): Likewise.
6540 * config/mips/mips.c (override_options): Likewise.
6541 * config/i386/i386.c (override_options): Likewise, rework.
6542 * config/m68k/m68k.c (override_options): Likewise.
6544 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6546 * config/mips/mips.c (print_operand): Likewise.
6547 * hash.c (hash_allocate): Don't check for failure returns from
6548 obstack functions that can't fail.
6549 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6550 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6551 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6552 (get_object_reference): Likewise.
6554 2001-02-04 Nick Clifton <nickc@redhat.com>
6556 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6557 StrongARM1110, 10TDMI, and 1020T.
6559 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6561 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6563 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6565 * config/sh/sh.md (movdf load split): Pass register number to
6566 FP_OR_XD_REGISTER_P.
6568 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6570 * cppinit.c (BC): New macro.
6571 (builtin_array): Add __GXX_WEAK__.
6572 * cpplib.h (builtin_type): Add BT_WEAK.
6573 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6574 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6575 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6577 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6579 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6581 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6583 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6584 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6586 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6588 * cpphash.h: Rename ALIGN _ALIGN.
6589 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6591 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6593 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6594 compilation environment.
6595 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6596 control over location of cygwin includes and libs.
6598 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6600 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6602 2001-02-02 lars brinkhoff <lars@nocrew.org>
6604 * md.texi (Standard Names): remove reference to spur.md.
6606 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6608 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6609 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6610 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6611 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6612 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6614 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6616 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6617 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6618 number before reload.
6619 (c4x_adjust_cost): Return zero before reload.
6620 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6621 split before reload.
6623 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6625 * c4x.c (c4x_hard_regno_rename_ok): New.
6626 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6627 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6629 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6631 * diagnostic.h: Add missing "extern" in all declarations.
6633 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6635 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6636 as for gcc_gxx_include_dir.
6638 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6640 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6642 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6644 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6645 label before alignment to be used as the braf base address.
6646 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6648 (casesi_jump_2): Require at least TARGET_SH2.
6650 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6651 truncation to 32-bit doubles on -m3e and -m4-single-only.
6653 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6655 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6656 the default when building a shared object.
6657 (init_spec): Use it.
6658 * testsuite/lib/g++.exp: Include the directory where libgcc
6659 is located to the LD_LIBRARY_PATH list.
6660 * invoke.texi (-shared-libgcc): Document the cases in which
6661 GCC defaults to using the shared libgcc.
6663 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6665 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6666 unsigned is wide enough.
6668 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6669 (si_to_float): Likewise.
6670 (float_to_si, float_to_usi): Use BITS_PER_SI.
6672 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6674 * dwarf2out.c: Added explanation of abbreviations.
6675 (def_cfa_1): Added comments listing DWARF2 instructions.
6676 (cfa_temp_reg): Removed in favor of cfa_temp.
6677 (cfa_temp_value): Removed in favor of cfa_temp.
6678 (cfa_temp): New global variable.
6679 (dwarf2out_frame_debug_expr): Added extensive introductory
6680 comments explaining the function's transformations. Revised to
6681 use cfa_temp. Added some rtx checking. Generalize IOR case.
6682 (dwarf2out_frame_debug): Revised to use cfa_temp.
6683 (output_aranges): Cast as "unsigned" to avoid warning.
6684 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6685 explain which instructions must be marked.
6687 2001-02-01 Richard Henderson <rth@redhat.com>
6689 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6692 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6694 * config/sh/crt1.asm (main_k): Modified so that start calls
6695 ___setup_argv_and_call_main.
6697 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6699 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6700 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6701 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6702 * cppmacro.c (builtin_macro): Set builtin flags here.
6703 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6704 (replace_args): Clarify intent.
6705 (cpp_get_token): Macro expansion tokens get the saved flags.
6707 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6710 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6712 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6715 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6717 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6718 returns Pmode pseudo, but we need ptr_mode.
6719 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6720 Remove bogus conversions; use HOST_WIDE_INT for size.
6721 Don't use TARGET if wrong mode.
6723 * config/i386/i386.c (ix86_compute_frame_size): Allow
6724 stack_alignment_needed to be non-default even if size is zero.
6726 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6728 * pa.c (hppa_init_pic_save): New function.
6729 * pa.h (hppa_init_pic_save): Declare.
6730 * pa.md (call, call_value, sibcall, sibcall_value): Use
6731 the above instead of duplicated code.
6733 * pa.c (hppa_encode_label): Correct size of alloca buffer
6734 so we don't overrun it. Correct leading `*' case.
6735 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6736 need to handle `*@'.
6737 (FUNCTION_NAME_P): Likewise.
6739 2001-01-31 Richard Henderson <rth@redhat.com>
6741 * config.gcc (alpha-osf5): Use float-i128.h.
6743 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6744 * config/float-i32.h: Likewise.
6745 * config/float-i64.h: Likewise.
6746 * config/float-sh.h: Likewise.
6747 * config/float-sparc.h: Likewise.
6749 2001-01-31 DJ Delorie <dj@redhat.com>
6751 * expmed.c (extract_bit_field): allow non-integral modes if we
6752 want to extract a whole register from itself.
6754 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6756 * c-typeck.c (set_init_index): If first is equal to last, assume as
6757 if it was not a range at all.
6759 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6761 * config/fp-bit.c: Include tm.h.
6762 (float_to_si): Don't assume SImode is 32-bits wide.
6763 (float_to_usi): Likewise.
6765 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6767 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6769 (typename): Call pending_xref_error after parsing typed_typespecs.
6770 * c-decl.c (lookup_tag): Give error immediately rather than
6771 leaving it pending if the tag of the wrong type is in the same
6773 (xref_tag): Don't pedwarn for forward declarations of enum types
6775 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6778 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6780 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6782 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6784 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6785 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6787 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6789 * cpphash.h (struct cpp_reader): New saved_flags.
6790 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6791 to avoid a paste after a pasted token.
6793 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6795 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6796 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6797 Wtype_MIN instead of LONG_MIN.
6799 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6801 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6803 * fixinc/fixincl.x: Regenerated.
6804 * fixinc/inclhack.def (irix_limits_const): New definition to
6805 convert "const" to "__const" in limits.h.
6807 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6809 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6811 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6813 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6814 when register dies in the insn.
6816 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6818 * diagnostic.c (fatal): Fix word wrap.
6820 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6822 * combine.c (try_combine): Fix SUBREG setting for
6823 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6825 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6827 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6830 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6832 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6834 * toplev.c (decode_W_option): Update warn_larger_than
6835 unconditionally for each processed switch.
6837 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6839 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6841 (hppa_expand_prologue): Delete code to save pic offset table register
6842 in the function prologue.
6843 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6844 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6845 table register at the beginning of the function after the prologue.
6847 2001-01-29 lars brinkhoff <lars@nocrew.org>
6849 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6851 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6852 Jeff Law <law@redhat.com>
6854 * pa.md (return): Revise comment for trivial return.
6855 (return_internal): Non-trivial return pattern for non-PIC code.
6856 (return_internal_pic): Non-trivial return pattern for PIC code.
6857 It uses the PIC register to ensure it is restored after
6859 (epilogue): Generate appropriate return for PIC and non-PIC code.
6861 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6863 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6865 2001-01-29 DJ Delorie <dj@redhat.com>
6867 * combine.c (if_then_else_cond): Pass the correct mode to
6868 operand_subword() for constants.
6870 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6872 * config/i386/cygwin.h: Add w32api to include search. Search different
6873 directories in a cross-build environment.
6875 2001-11-29 Tim Josling <tej@melbpc.org.au>
6877 * tree.h (TYPE_STUB_DECL): Add documentation.
6879 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6881 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6882 (sdbout_field_types): Likwise. Fix use of host_integerp.
6884 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6886 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6889 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6891 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6892 to use flag_gnu_linker.
6894 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6896 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6897 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6899 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6901 * tree.c, tree.h (build_parse_node): Remove; was identical to
6903 * c-lang.c (start_cdtor), objc/objc-act.c
6904 (build_module_descriptor): Use build_nt instead of
6907 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6909 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6910 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6911 not have any upper bits set.
6913 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6915 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6917 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6919 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6921 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6923 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6924 (integer_minus_one_node): Define.
6926 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6928 * Makefile.in (bootstrap2-lean): Fix typo.
6930 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6932 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6933 : Don't set fe_value.
6934 * cpplib.h (AVOID_LPASTE): New flag.
6935 (struct cpp_hashnode): Remove fe_value.
6936 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6937 * cppmacro.c (builtin_macro): Don't set flags here.
6938 (replace_args): Set AVOID_LPASTE flag on first token of an
6939 argument, and the token following it.
6940 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6941 macro expansion, and on the token following it. Do it for
6943 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6945 2001-01-27 Richard Henderson <rth@redhat.com>
6947 * config/alpha/t-ieee: Remove multilibbing.
6948 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6950 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6952 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6954 * Makefile.in: Remove all dependencies on defaults.h.
6955 * builtins.c: Don't include defaults.h.
6956 * c-common.c: Likewise.
6957 * c-decl.c: Likewise.
6958 * c-pragma.c: Likewise.
6959 * c-typeck.c: Likewise.
6960 * combine.c: Likewise.
6962 * frame-ia64.c: Likewise.
6963 * cppexp.c: Likewise.
6964 * crtstuff.c: Likewise.
6965 * dbxout.c: Likewise.
6966 * dwarf2out.c: Likewise.
6967 * dwarfout.c: Likewise.
6968 * emit-rtl.c: Likewise.
6969 * except.c: Likewise.
6971 * final.c: Likewise.
6972 * frame-dwarf2.c: Likewise.
6973 * libgcc2.c: Likewise.
6974 * optabs.c: Likewise.
6975 * profile.c: Likewise.
6976 * sdbout.c: Likewise.
6977 * toplev.c: Likewise.
6978 * tradcif.y: Likewise.
6980 * varasm.c: Likewise.
6982 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6984 * builtins.c (expand_builtin_fputs): Use size_one_node when
6985 transforming into fwrite.
6987 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6989 * extend.texi (Attribute Syntax): New section.
6991 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6993 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6994 they didn't need fixing.
6996 2001-01-27 Janis Johnson <janis@us.ibm.com>
6998 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7000 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7001 to remove macro definitions that are duplicated from elfos.h.
7003 2001-01-27 Richard Henderson <rth@redhat.com>
7005 * config/i386/sco5gas.h: Move ...
7006 * config/usegas.h: ... here.
7007 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7009 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7011 * c-typeck.c (struct constructor_stack): Add range_stack member.
7012 (really_start_incremental_init): Clear it.
7013 (push_init_level): Save constructor_range_stack and clear it if
7014 pushing explicit braces.
7015 (pop_init_level): abort if constructor_range_stack is non-zero at
7016 explicit closing brace. Restore saved constructor_range_stack if
7019 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7021 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7022 into register was forced into memory.
7024 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7026 * Makefile.in: Remove uses of + before $(MAKE).
7028 2001-01-26 Richard Henderson <rth@redhat.com>
7030 * stmt.c (cost_table): Remove.
7031 (COST_TABLE, cost_table_initialized): New.
7032 (estimate_case_costs): Use the later instead of the former.
7033 (balance_case_nodes): Likewise.
7035 2001-01-26 Richard Henderson <rth@redhat.com>
7037 * alias.c (objects_must_conflict_p): Read-only slots may not
7038 conflict despite having the same type.
7040 2001-01-27 Michael Hayes <mhayes@redhat.com>
7042 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7044 (check_ext_dependant_givs): Initialise u_start_val and
7046 (load_mems): Make last_max_reg unsigned.
7047 (try_swap_copy_prop): Use INSN_P and initialise set.
7049 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7051 * README.AVR : Removed.
7053 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7055 * pa-64.h (text_section): Remove declaration.
7057 * pa.md (return_internal): Remove mode on PIC register use.
7059 2001-01-25 lars brinkhoff <lars@nocrew.org>
7061 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7062 ASM_CLOSE_PAREN): fix typos.
7064 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7066 * acconfig.h: Define `const' to the empty string if neither
7067 __STDC__ nor __cplusplus is defined.
7068 * config.in: Regenerated.
7070 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7072 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7073 * collect2.c (main): Delete importf. Add ".obj" file extension.
7074 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7075 (aix_std_libs): Add additional AIX libraries to skip.
7076 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7077 * config/rs6000/aix51.h: New file.
7079 2001-01-25 Michael Hayes <mhayes@redhat.com>
7081 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7082 (loop_insn_emit_before): No longer static.
7083 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7084 (loop_givs_rescan, load_mems): Likewise.
7085 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7086 (maybe_eliminate_biv_1):
7087 (move_movables): Replace emit_call_insn_before with
7088 loop_call_insn_hoist.
7089 * loop.h (loop_insn_emit_before): Add.
7090 * unroll.c (copy_loop_body): Replace emit_insn_before with
7091 loop_insn_emit_before.
7093 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7095 * diagnostic.c (fatal): Request preprocessed source.
7097 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7099 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7100 olddecl has argument types and newdecl has none, use the argument
7103 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7105 * dwarf2out.c (prefix_of): New function. Determine longest common
7106 prefix of the two arguments. The units are whole path components.
7107 (output_file_names): When adding a new directory find the one entry
7108 with the longest common prefix already in the list. Artificially
7109 generate entry if there is none for this prefix.
7110 Fix test to check whether the zeroth directory entry is used.
7112 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7114 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7115 Changed all callers. Take it into account when deciding if a
7116 previously loaded value matches.
7118 2001-01-24 Richard Henderson <rth@redhat.com>
7120 * reload.c (find_reloads_subreg_address): Fail the substitution
7121 if the resulting address is insufficiently aligned.
7123 2001-01-24 DJ Delorie <dj@redhat.com>
7125 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7126 check the original operand's mode also.
7127 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7129 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7131 * c-parse.in (cast_expr): Move compound literals from here ...
7132 (primary): ... to here. Use standard terminology "compound
7133 literal" instead of "constructor expression".
7135 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7137 * gcc.1, cpp.1: Regenerate.
7139 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7141 * calls.c (emit_library_call_value_1): Memory slot for
7142 pass-by-reference argument should have the mode of the argument,
7143 not of the pointer to it.
7145 2001-01-24 Tom Tromey <tromey@redhat.com>
7147 * gcc.texi (G++ and GCC): Mention gcj manual.
7148 (Standards): Link to section of manual mentioning gcj/Java
7151 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7153 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7154 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7155 * tradcpp.c (main): Add -imacros or -include'd dependencies
7157 * cpp.texi (-M, -MM): Document -M -include behaviour.
7159 2001-01-24 Roger Collins <roger@ProProject.com>
7161 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7163 2001-01-24 Will Cohen <wcohen@redhat.com>
7165 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7166 whether registers are 32 bits or 64 bits in size.
7168 2001-01-24 Ben Elliston <bje@redhat.com>
7170 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7172 2001-01-24 Richard Henderson <rth@redhat.com>
7174 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7175 (builtin_longjmp): Use it instead of emit_indirect_jump.
7177 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7179 * bb-reorder.c (make_reorder_chain_1): Handle case where
7180 jump edge goes to the same block as the fallthru edge.
7182 2001-01-23 Jim Wilson <wilson@redhat.com>
7184 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7185 * frame.h (__ia64_personality_v1): Add prototype.
7186 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7187 prototype form. Add void * cast to first argument to personality
7189 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7190 (asctoe113): Likewise.
7191 * config/ia64/frame-ia64.c: Include eh-common.h.
7192 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7194 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7196 (itanium_split_issue): Add prototype.
7197 (gen_nop_type): Ifdef out.
7198 (find_best_packet): Initialize best_packet.
7199 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7201 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7202 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7203 (flushrs): Add explicit stop bit at end.
7204 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7207 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7209 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7211 * libgcc2.c (__terminate_func): Make variable static.
7212 (__terminate_set_func): New function to set __terminate_func.
7213 * libgcc2.h (__terminate_func_ptr): New typedef.
7214 (__terminate_set_func): New function.
7216 2001-01-23 Richard Henderson <rth@redhat.com>
7218 * flow.c (init_propagate_block_info): Don't consider unchanging
7219 memories for dead frame store elimination.
7221 2001-01-23 Richard Henderson <rth@redhat.com>
7223 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7224 * defaults.h: ... here.
7226 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7228 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7230 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7232 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7234 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7236 * rs6000.h (rs6000_return_addr): Move prototype from here...
7237 * rs6000-protos.h (rs6000_return_addr): ...to here.
7238 (rs6000_init_expanders): Delete prototype.
7240 2001-01-23 Nick Clifton <nickc@redhat.com>
7242 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7243 (Spec Files): Document %B and %j and %. and %v3 and %M and
7244 %{S*&T} spec switches.
7246 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7248 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7250 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7251 Neil Booth <neil@daikokuya.demon.co.uk>
7253 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7254 Have -Werror make pedantic warnings errors, like the
7257 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7259 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7261 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7263 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7264 * integrate.c (expand_inline_function): Initialize them.
7265 (subst_constants): If changing COMPARE so that both its arguments
7266 will be VOIDmode and the comparison mode will be lost, note
7267 compare_mode. Use the recorded compare_mode to optimize
7270 2001-01-23 Jason Merrill <jason@redhat.com>
7272 * dwarf2out.c (new_die): Use xcalloc.
7273 (output_die): Abort rather than emit a local reference to offset 0.
7275 2001-01-17 Andrew Haley <aph@redhat.com>
7277 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7278 of a saved register; return NULL instead.
7279 (copy_reg): Take a pointer to a source register rather than a
7281 (next_stack_level): Remember the address in the stack frame of all
7283 Use the saved register pointer array as the source of the CFA.
7284 (throw_helper): Rewrite. Unwind once rather than twice and keep
7285 track of saved registers as we go.
7287 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7289 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7290 * c4x.c (c4x_legitimize_reload_address): Remove.
7291 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7292 reload address for ldp(k) insn.
7294 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7296 * pa.md (return_internal): Add a USE of the PIC register to ensure
7297 it is restored after each call.
7298 (return expander): Corresponding changes.
7300 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7302 * rs6000.h (INIT_EXPANDERS): Delete.
7303 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7304 * rs6000.c (rs6000_override_options): Call *_machine_status from
7306 (rs6000_init_expanders): ...instead of here. Delete.
7307 (rs6000_mark_machine_status): New function.
7308 (rs6000_init_machine_status): Use xcalloc.
7309 (rs6000_return_addr): Generate RTX for the return address.
7310 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7311 (rs6000_stack_info): Use it.
7313 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7315 * gthr-win32.h: Include errno.h to get a declaration for
7316 EINVAL and _mingw.h if the target is mingw32.
7318 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7320 * cpp.texi: Correct typos.
7322 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7324 * explow.c (probe_stack_range): Ensure value passed to
7325 stack_check_libfunc is ptr_mode, not Pmode.
7327 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7329 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7330 case, don't use operand_subword to calculate a SUBREG that is
7333 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7335 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7337 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7338 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7339 valid. If not replace it by equivalent insns.
7341 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7343 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7344 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7345 (c4x_U_constraint, symbolic_address_operand): Likewise.
7346 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7348 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7349 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7350 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7351 anulling slot because of silicon bug.
7352 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7354 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7356 * cppexp.c (parse_charconst): Change `mask' type to agree
7359 2001-01-21 Richard Henderson <rth@redhat.com>
7361 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7362 pic_label_name in a linkonce section.
7364 2001-01-17 Philipp Thomas <pthomas@suse.de>
7366 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7368 * configure: Regenerate.
7370 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7372 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7373 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7375 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7377 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7378 If REVERSE nonzero then condition code in X must be reversed.
7379 (encode_section_info): Optimise if/else.
7380 (avr_function_value): Fix formatting.
7382 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7383 (difficult_branch): Likewise.
7384 (rvbranch): Likewise.
7385 (difficult_rvbranch): Likewise.
7387 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7389 * config/avr/libgcc.S: Fix comment.
7391 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7393 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7395 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7397 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7399 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7401 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7402 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7403 * configure, config.in: Regenerate.
7404 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7405 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7406 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7407 (doprint.o): New rule.
7409 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7411 * c-typeck.c (digest_init): Handle boolean types as scalars.
7413 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7415 * stmt.c (expand_return): Don't return anything if size is zero.
7416 Delete redundant assignment to BYTES.
7417 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7419 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7421 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7422 the same as the default library function names.
7423 * config/avr/avr.md: Document special characters after '%'.
7424 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7425 knowing which of the call-used registers are really clobbered.
7426 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7427 New. Both quotient and remainder from one libgcc.S call.
7428 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7429 clobber as few registers as possible.
7430 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7432 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7434 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7435 context of the top of the stack.
7437 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7439 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7440 (fixup_var_refs_insns): ...here.
7442 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7444 * function.c (fixup_var_refs_insns): Break up into
7445 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7446 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7447 [loop over hash table entries].
7448 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7449 fixup_var_refs_insns_with_hash, to match above changes.
7451 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7453 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7454 (libgcc.a): Likewise.
7455 (stmp-multilib): Likewise.
7456 (STAGE2_FLAGS_TO_PASS): Likewise.
7458 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7460 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7461 temporary if no_new_pseudos.
7463 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7465 * cppinternals.texi: Update.
7467 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7469 * arm.c (arm_init_builtins): Re-enable builtins.
7471 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7473 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7474 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7475 element to be null, and always expect an EXPR_LIST.
7476 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7477 * sched-deps.c (sched_analyze_1): Likewise.
7478 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7480 * regclass.c (max_set_parallel): New variable.
7481 (reg_scan): Take it into account in computation of max_parallel.
7482 (reg_scan_mark_refs, case SET): Compute it.
7484 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7486 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7487 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7489 2001-01-19 Jason Merrill <jason@redhat.com>
7491 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7492 for the abstract instance of an inline function.
7494 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7495 J"orn Rennecke <amylaar@redhat.com>
7497 * reload1.c (move2add_note_store): Treat all registers directly or
7498 indirectly derived from a base register as members of the same set
7500 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7501 of base register into account.
7503 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7505 * alias.c (find_base_value): Recognize TRUNCATE.
7506 (record_set): In PLUS case, invalidate if other summand is also a
7509 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7511 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7512 entry to be EXPR_LIST.
7513 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7514 be an EXPR_LIST (but not null, which other code doesn't allow).
7515 (note_stores): Properly handle PARALLEL in SET.
7516 Recursively call for top-level PARALLEL.
7517 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7518 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7520 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7522 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7524 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7525 not pfile->skipping (== 0).
7527 2001-01-17 Nick Clifton <nickc@redhat.com>
7529 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7532 2001-01-17 Jim Wilson <wilson@redhat.com>
7534 * invoke.texi (IA-64 options): Improve.
7536 2001-01-17 Tom Tromey <tromey@redhat.com>
7538 * invoke.texi (Optimize Options): Use `{}' to around @samp
7541 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7543 * invoke.texi (-fno-guess-branch-probability): New option.
7545 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7547 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7548 case of making new double-word constant.
7549 Revert last change: instead just test i3_subst_into_i2.
7551 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7553 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7554 Use q constraints instead of r.
7556 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7558 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7559 (machine_function): Define.
7560 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7561 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7562 pa_free_machine_status): New functions.
7563 (override_options): Set {init,mark,free}_machine_status to above.
7564 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7565 PIC_OFFSET_TABLE_REGNUM_SAVED.
7566 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7567 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7568 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7569 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7570 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7572 2001-01-15 DJ Delorie <dj@redhat.com>
7574 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7578 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7580 * flow.c (propagate_on_insn): Make trying to delete a prologue
7581 or epilogue insn an ICE, not a warning. Allow doing this if
7582 the current function returns with stack pointer depressed.
7584 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7585 I3 having more than one SET.
7587 2001-01-16 Jim Wilson <wilson@redhat.com>
7589 * invoke.texi: Document IA-64 options.
7591 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7592 (fixup_errata): Delete TARGET_A_STEP use.
7593 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7594 (TARGET_SWITCHES): Delete -ma-step option.
7595 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7596 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7597 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7598 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7599 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7600 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7602 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7603 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7604 cmovsi_internal): Delete ! TARGET_A_STEP check.
7606 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7608 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7609 possibility to report bugs via postal mail. Change a URL and
7610 merge in a nearly duplicate statement...
7611 (Bug Reporting): ...from here.
7612 (Service): Refer to the Bug Reporting section instead of
7614 (Contributing): Remove trivial explanations concerning snapshots.
7616 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7618 * cppmain.c (general_init): Don't use ANSI prototype.
7620 2001-01-16 Tom Tromey <tromey@redhat.com>
7622 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7624 2001-01-16 Richard Henderson <rth@redhat.com>
7626 * config/i386/i386.h: Fix comment typo.
7627 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7628 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7630 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7632 * gcc.c: Revert previous -fsyntax-only-related change; move
7635 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7637 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7638 inmode after checking GET_CODE (op).
7640 2001-01-16 Richard Henderson <rth@redhat.com>
7642 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7643 (MAX_MEM_SET_LIST_LEN): New.
7644 (propagate_one_insn): Update mem_set_list_len.
7645 (invalidate_mems_from_autoinc): Likewise.
7646 (invalidate_mems_from_set): Likewise.
7647 (mark_used_regs): Likewise.
7648 (init_propagate_block_info): Likewise. Stop collecting memories
7649 when we reach MAX_MEM_SET_LIST_LEN.
7650 (mark_set_1): Likewise.
7652 2001-01-16 Richard Henderson <rth@redhat.com>
7654 * unroll.c (precondition_loop_p): Fail if no iteration
7657 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7659 * gcc.c: When -fsyntax-only is given, do not complain about
7662 2001-01-15 Richard Henderson <rth@redhat.com>
7664 * config/i386/i386.c (asm_output_function_prefix): Remove.
7665 (ix86_asm_file_end): New.
7666 (load_pic_register): Generate pic_label_name into a
7667 staticly allocated buffer.
7668 * config/i386/i386-protos.h: Update.
7669 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7670 (ASM_FILE_END): New.
7671 * config/i386/i386afe.h: New file.
7672 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7673 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7674 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7675 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7676 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7677 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7678 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7680 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7682 * Makefile.in (install-man): Remove explicit dependency on
7685 * configure.in, configure: Revert previous patch requiring perl
7688 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7690 * toplev.c (flag_guess_branch_prob): New.
7691 (f_options): Add guess-branch-probability option.
7692 (rest_of_decl_compilation): Only estimate branch probability if
7694 (main): set flag_guess_branch_prob.
7696 * flags.h (flag_guess_branch_prob): New.
7698 2001-01-15 DJ Delorie <dj@redhat.com>
7700 * gcc.texi (Makefile): Add documentation for Makefile targets.
7702 2001-01-15 Philip Blundell <philb@gnu.org>
7704 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7706 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7707 (is_pic): Delete declaration.
7708 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7709 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7710 * config/arm/arm.md (builtin_setjmp_receiver): New.
7712 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7714 * arm.c (use_return_insn): Don't try to determine the function type
7715 until after reload has completed.
7716 (arm_output_epilogue): Don't adjust the sp value recovered from the
7718 (emit_multi_reg_push): Don't record dwarf information for the pc.
7719 * arm.md (eh_epilogue): The function type may have changed, so it
7720 needs to be recalculated.
7721 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7722 unwind tables on arm/netbsd.
7724 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7726 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7727 (negated_cbranchsi4): Likewise.
7729 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7731 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7732 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7733 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7734 pass -mapcs-* options to assembler.
7735 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7736 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7737 (ASM_SPEC): Call subtarget_extra_asm_spec.
7739 2001-01-15 Andreas Jaeger <aj@suse.de>
7741 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7743 (ix86_expand_builtin): Likewise.
7745 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7746 warning about comparison between signed and unsigned.
7748 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7750 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7752 2001-01-14 Ralf Baechle <ralf@gnu.org>
7754 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7755 SUBTARGET_CPP_SPEC apropriatly.
7757 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7759 * varasm.c (make_decl_rtl): Fix typo in last change.
7761 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7763 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7764 linker supports the init_priority C++ attribute.
7765 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7766 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7767 linker does not support init_priority C++ attribute.
7769 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7771 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7773 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7775 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7776 * cp/lex.c (finish_parse): Similarly.
7777 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7778 Return the number of errors encountered.
7779 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7780 * cppmain.c (main): Don't call cpp_destroy.
7782 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7784 * configure.in: Require at least perl 5.6.0 to regenerate
7786 * configure: Regenerate.
7788 2001-01-14 Richard Henderson <rth@redhat.com>
7790 * genrecog.c (DT_veclen_ge): New.
7791 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7792 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7793 (nodes_identical_1): Handle DT_veclen_ge.
7794 (write_cond, debug_decision_2): Likewise.
7796 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7798 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7800 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7802 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7804 * cppmain.c (do_preprocessing): New function; most of the old
7806 (main): Call it to do most of the work.
7807 (cb): Move from global scope to set_callbacks ().
7808 (setup_callbacks): Get the callback pointer.
7809 (general_init, printer_init): Clean up code and comments.
7811 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7813 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7816 2001-01-14 Kazu Hirata <kazu@hxi.com>
7818 * config/h8300/h8300.c (get_shift_alg): Update comments.
7820 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7822 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7823 (alloc_page, ggc_alloc): Add casts to remove warnings.
7825 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7827 * combine.c (simplify_comparison): Don't change `code' when
7828 can't reverse comparison.
7830 2001-01-14 Richard Henderson <rth@redhat.com>
7832 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7833 update all call sites. Return true for all non-label constants.
7835 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7837 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7839 (ix86_expand_branch): Update.
7840 (ix86_expand_setcc): Update to handle multiple test conditions.
7841 (expand_int_movcc): Likewise.
7842 (expand_fp_movcc): Likewise.
7843 * i386-protos.h (ix86_expand_compare): New.
7844 * i386.md (andqi_?_slp, orqi_?_slp): New.
7845 (conditional trap expander): Update call to ix86_expand_compare.
7847 2001-01-14 Richard Henderson <rth@redhat.com>
7849 * config/vax/vax.md: Use nonimmediate_operand instead of
7850 general_operand in destinations.
7852 * config/vax/vax.md (indirect_jump): Use register_operand.
7854 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7855 * config/vax/vax.md (call_pop): Turn into an expander.
7856 (call_value_pop): Likewise.
7857 (call, call_value): New.
7859 2001-01-14 Andreas Jaeger <aj@suse.de>
7861 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7863 (ix86_fp_compare_mode): Add unused attribute.
7864 (ix86_expand_fp_movcc): Remove unused variable.
7865 (ix86_expand_builtin): Make fcode unsigned.
7867 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7868 (expand_expr): Add cast to avoid signed warning.
7869 (store_field): Likewise.
7870 (store_constructor_field): Likewise.
7871 (store_constructor): Likewise.
7872 (store_expr): Likewise.
7873 (clear_storage): Likewise.
7874 (emit_group_store): Likewise.
7875 (emit_group_load): Likewise.
7877 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7879 * c-common.c: Move format checking code to ...
7880 * c-format.c: ... here. New file. Reorder some functions and
7882 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7884 * c-common.h (decl_handle_format_attribute,
7885 decl_handle_format_arg_attribute): Declare.
7886 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7887 (c-common.o): Adjust dependencies.
7888 (c-format.o): New list of dependencies.
7890 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7892 * unroll.c (loop_iterations): If we cannot prove iteration variable
7893 is set once in each iteration, punt.
7895 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7897 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7898 (*strlenhi): Remove clobber (which was buggy) of output address.
7900 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7902 * Makefile.in (generated-manpages): Add gcc.1
7903 ($(srcdir)/gcc.1): New target.
7904 (maintainer-clean): Delete $(srcdir)/gcc.1.
7905 * gcc.texi: Add macros @gccoptlist and @gol.
7906 * invoke.texi: Include option summary in manpage. Mark up option
7907 summary with @gccoptlist and @gol. Use @r in one place where
7909 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7910 * gcc.1: Generate from invoke.texi.
7912 2001-01-13 Richard Henderson <rth@redhat.com>
7914 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7915 (struct page_entry): Add group member.
7916 (struct page_group): New.
7917 (struct globals): Add page_groups member.
7918 (alloc_anon): Only define for using mmap; remove valloc call.
7919 (page_group_index): New.
7920 (set_page_group_in_use): New.
7921 (clear_page_group_in_use): New.
7922 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7923 (free_page, release_pages): Likewise.
7924 * configure.in (with-gc): Default to ggc-page always.
7926 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7928 * reload1.c (replace_pseudos_in_call_usage): Use
7929 reg_equiv_constant and reg_equiv_address, and don't try
7930 regno_reg_rtx first.
7932 2001-01-13 Richard Henderson <rth@redhat.com>
7934 * ggc-page.c (alloc_page): Round up allocation size to one page.
7935 Set e->order on extra pages.
7937 2001-01-13 Richard Henderson <rth@redhat.com>
7939 * genrecog.c (nodes_identical): Expand commentary.
7940 (write_switch): Watch out for identical nodes.
7942 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7944 * cppfiles.c (_cpp_fake_include): New function.
7945 * cpphash.h (_cpp_fake_include): New.
7946 * cpplib.c (do_line): Call _cpp_fake_include when entering
7947 header files in preprocessed input.
7948 * cppmain.c (cb_pragma_implementation): Remove handling.
7949 (setup_callbacks): Don't register pragmas.
7951 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7953 * extend.texi: Udate for CPP.
7955 2001-01-13 Andreas Jaeger <aj@suse.de>
7957 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7959 * regmove.c: Add prototype for replace_in_call_usage.
7961 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7963 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7964 struct cpp_chunk, struct htab, struct toklist,
7965 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7966 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7967 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7968 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7969 (struct macro_args): Delete.
7970 * cpphash.h: See above.
7972 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7974 * cppmain.c (struct printer): Remove no_line_dirs.
7976 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7977 : Use options rather than CPP_OPTION.
7978 (setup_callbacks): Use cb rather than pfile->cb.
7979 (main): No need to check for a buffer. Use cpp_errors.
7980 (printer_init): Don't set no_line_dirs.
7981 (maybe_print_line): Use options not no_line_dirs.
7982 (cb_file_change): Don't call print_line if -P.
7984 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7986 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7988 * c-parse.in (finish_parse): Use cpp_errors.
7989 (__yylex): Use return value of cpp_pop_buffer.
7990 * cp/lex.c (finish_parse): Use cpp_errors.
7991 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7993 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7995 * README.AVR: URLs corrected.
7997 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7999 * c-decl.c (start_function): Don't warn if old prototype is builtin
8000 that's not in C's namespace.
8001 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8002 (_bb): Add prototype for ctime.
8003 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8005 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8007 * i386.c (ix86_fp_comparison_arithmetics_cost,
8008 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8009 ix86_fp_comparison_cost): New functions.
8010 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8011 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8012 two-branch sequences; make static.
8013 (ix86_use_fcomi_compare): Do decision according to the costs.
8014 (split_fp_branch): New.
8015 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8016 * i386-protos.h (ix86_expand_fp_compare): Remove
8017 (ix86_split_fp_branch): Declare.
8019 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8020 and ix86_comparison_operator.
8022 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8025 * i386.c (put_condition_code): Output properly the unordered/ordered
8026 compares in fp case.
8027 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8029 * tm.texi (REVERSE_CONDITION): Document.
8030 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8031 in -ffast-math mode.
8032 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8034 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8036 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8038 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8041 * config/sh/sh.c (mova_p): Fix test for mova_const.
8043 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8045 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8046 cpp_get_options rather than dereferencing pfile and using
8048 * scan-decls.c (scan_decls): Use return value of
8049 cpp_pop_buffer rather than CPP_BUFFER.
8051 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8053 * cppinit.c (cpp_handle_option): help_only is now part of the
8054 cpp_options structure.
8055 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8056 cpp_set_callbacks): New functions.
8057 * cpplib.h (cpp_callbacks): Break out as a named structure.
8058 (cpp_options): Move help_only here from cpp_reader.
8059 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8060 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8061 cpp_set_callbacks): New prototypes.
8062 * cppmain.c (main): Update for help_only.
8064 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8066 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8067 Also build and remove and install and uninstall c-tree.info and
8069 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8070 ($(srcdir)/cppinternals.info): New target.
8071 * c-tree.texi: Change file name used when makeinfo used without -o
8072 from ir.info to c-tree.info. Add info directory entry.
8073 * cppinternals.texi: Add info directory entry.
8074 * .cvsignore: Update.
8076 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8078 * c-typeck.c (store_init_value): Don't require constant initializer
8079 elements with -pedantic -std=c99.
8080 (digest_init): Change error about non-constant initializer elements
8082 (constructor_range_end): Remove.
8083 (constructor_incremental, designator_depth,
8084 designator_errorneous): New variables.
8085 (struct constructor_stack): Remove range_end, add incremental.
8086 (struct constructor_range_stack, constructor_range_stack): New.
8087 (struct initializer_stack): Add constructor_range_stack.
8088 (finish_init): Set it.
8089 (start_init): Likewise. require_constant_elements for non-static
8090 trees only if not flag_isoc99.
8091 (really_start_incremental_init): Remove constructor_range_end, add
8092 constructor_incremental.
8093 (pop_init_level): Likewise.
8094 (push_init_level): Likewise. If implicit and the subobject had some
8095 value set already, preinitialize the level with it.
8096 Warn about missing braces only if not pushing due to designators.
8097 (set_designator, push_range_stack): New functions.
8098 (set_init_label): Use them.
8099 (set_init_index): Likewise. Remove constructor_range_end.
8100 Error if designator index is outside of array bounds.
8101 (add_pending_init): Compare values of purpose index trees, not the
8102 trees themselves. Allow overwriting of already initialized element.
8103 Issue a warning if it had side-effects.
8104 (set_nonincremental_init, set_nonincremental_init_from_string): New
8106 (pending_init_member): Rename to...
8107 (find_init_member): ...this function. Call set_nonincremental_init
8108 if necessary. Compare values of purpose index trees, not the trees
8109 themselves. Return the actual value, not just non-zero if something
8111 (output_init_element): Remove checks for duplicates.
8112 If field has zero size, only check the initializer for correctness.
8113 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8114 if constructor_incremental is zero. Change error about initializers
8115 not computable at load time into pedwarn.
8116 (output_pending_init_elements): Compare bit positions, not
8117 FIELD_DECLs to take into account zero-sized fields.
8118 (process_init_element): Use constructor_range_stack to fill all
8119 ranges in the designator lists from current level up.
8120 * extend.texi: Update documentation for labeled elements.
8122 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8124 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8125 to function usage for arguments passed by reference. Optimize
8126 callee-copied arguments.
8127 * regmove.c (replace_in_call_usage): New function.
8128 (fixup_match_1): Call it.
8129 * cse.c (cse_insn): Canonicalize registers in function usage.
8130 * reload1.c (replace_pseudos_in_call_usage): New function.
8133 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8136 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8138 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8141 2001-01-12 DJ Delorie <dj@redhat.com>
8143 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8144 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8147 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8149 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8150 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8151 -std options alongside references to -ansi. Update some
8152 documentation for C99.
8153 * cpp.1: Regenerate.
8155 2001-01-12 Andreas Jaeger <aj@suse.de>
8157 * haifa-sched.c (restore_line_notes): Remove argument block B
8159 * sched-ebb.c (schedule_ebb): Change caller.
8160 * sched-rgn.c (schedule_region): Likewise.
8161 * sched-int.h (restore_line_notes): Adjust prototype.
8163 * loop.h: Remove wrong declaration of doloop_condition_get.
8165 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8167 * extend.texi: Move C++-extension-related node from the C section
8168 into the C++ section.
8170 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8172 * extend.texi: Refer to an array of pointers to functions instead
8173 of one of functions.
8175 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8176 Jan Hubicka <jh@suse.cz>
8178 * combine.c (reversed_comparison): Fix typo in last patch.
8180 (combine_reversed_comparison_code): Make static to follow
8181 prototype declaration.
8183 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8185 * install.texi: Remove misplaced duplicate entry.
8187 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8189 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8191 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8193 * final.c: (leaf_function_p): Fix typo.
8195 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8197 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8198 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8200 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8201 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8202 mmap_anon, and valloc is available.
8203 * ggc-page.c: Restructure ifdef logic to match new autoconf
8204 spec. Don't throw away the test page in init_ggc.
8206 * configure, config.in: Regenerate.
8208 2001-01-12 Michael Hayes <mhayes@redhat.com>
8210 * loop.h (total_biv_increment): Constify iv_class pointer.
8211 (struct induction): Replace `mem_mode' with `mem' rtx.
8212 * unroll.c (total_biv_increment): Constify iv_class pointer.
8213 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8214 (find_mem_givs, combine_givs_p): Likewise.
8215 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8217 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8219 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8221 (__gthread_getspecific): Ditto.
8223 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8225 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8226 put_condition_code): Convert fp comparison codes to integer
8228 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8231 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8232 * i386-protos.h (no_comparison_operator): Kill.
8234 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8236 * combine.c (REVERSIBLE_CC_MODE): Remove.
8237 (reversible_comparison_p): Remove.
8238 (combine_reversed_comparison_code): New.
8239 (reversed_comparison): New.
8240 (combine_simplify_rtx): Use
8241 combine_reversed_comparison_code/reversed_comparison instead
8242 of reversible_comparison_p.
8243 (simplify_if_then_else): Likewise.
8244 (simplify_set): Likewise.
8245 (simplify_logical): Likewise.
8246 (if_then_else_cond): Likewise.
8247 (known_cond): Likewise.
8248 (simplify_comparison): Likewise.
8250 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8252 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8253 sizeof (int) is larger than sizeof(__word__).
8255 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8257 * cppinit.c (do_includes): Fix typo.
8259 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8261 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8262 in S_REGS does not occur because not all sources are possible
8263 when a S_REGS is a destination (sometimes needs a clobber).
8264 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8265 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8266 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8267 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8268 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8269 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8270 (lshrdi_const1, lshrsi3_const16): Likewise.
8271 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8272 (*movhi_68hc12, *movqi_68hc12): Likewise.
8273 (movstrictqi): Make sure reloading in D_REGS as a destination
8276 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8278 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8280 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8282 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8283 -D, -U and -A, and don't initialize the builtins.
8284 (do_includes): Error if -include or -imacros with -fpreprocessed.
8285 * cppmain.c (cb_define, cb_undef): Unconditionally process
8287 * tradcpp.c (main): Fix typo.
8289 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8291 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8292 (read_name_map): Use IS_ABSOLUTE_PATH.
8293 * tradcpp.c (get_filename): Likewise.
8295 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8297 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8298 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8299 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8300 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8301 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8302 (cmphi_z_used): Don't use '@' for the output.
8303 (tstqi_z_used): Likewise.
8304 (cmpqi_z_used): Likewise.
8305 (one_cmplsi2): Likewise.
8307 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8309 * config/sh/sh.c (barrier_align): Recognize branch around far
8310 branch and redundant insn.
8312 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8314 * invoke.texi: Restore documentation of the drivers' switches -MD
8317 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8319 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8321 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8322 check-objc//%): Support parallel testing of multilibs.
8323 (TESTSUITEDIR): Set to testsuite by default, but override for
8325 (check-gcc, check-g++, check-g77, check-objc): Enter
8328 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8330 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8331 * sched-deps.c (deps_may_trap_p): Likewise.
8332 * basic-block.h: Remove a comment.
8333 * flow.c (PROP_POSTRELOAD): Remove.
8334 (update_life_info): Don't add it to prop_flags.
8335 (mark_set_1): Lose the code that was enabled by it.
8337 2001-01-11 Michael Hayes <mhayes@redhat.com>
8339 * flow.c (flow_call_edges_add): New.
8340 * basic_block.h (flow_call_edges_add): New.
8342 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8344 * reload1.c (move2add_note_store): Update reg_set_luid even if
8345 base reg remains the same.
8347 2001-01-10 Nick Clifton <nickc@redhat.com>
8349 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8350 machine_function structure to zero.
8351 Add prototypes for machine_status functions.
8353 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8355 * c-common.h (CTI_VOID_LIST): Remove.
8356 (void_list_node): Likewise.
8357 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8358 (void_list_node): New macro.
8359 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8360 * config/i386/i386.c (ix86_init_builtins): Likewise.
8361 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8363 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8365 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8366 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8368 * tradcpp.c: Include mkdeps.h.
8369 (deps, print_deps_phony_targets, deps_append, output_deps,
8370 init_dependency_output, output_deps): New.
8371 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8372 deps_output): Delete.
8373 (print_deps_missing_files): Rename deps_missing_files.
8374 (inhibit_output): Make global.
8375 (main): Delete inhibit_output, deps_stream, deps_target.
8376 Use mkdeps functionality in the same way as cpplib. Remove
8377 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8378 -M and -MM. Remove old handling of deps via deps_out, and
8379 old reading of environment variables.
8380 (get_filename): Update to use deps_add_dep.
8382 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8384 * output.h (make_function_rtl): Remove prototype.
8385 (make_decl_rtl): Likewise.
8386 * varasm.c (make_function_rtl): Remove.
8387 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8388 than from a third parameter.
8389 * tree.h (make_decl_rtl): Remove last parameter.
8390 * c-decl.c (builtin_function): Remove last argument in call to
8391 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8392 (start_function): Likewise.
8393 * except.c (call_get_eh_context): Likewise.
8394 * expr.c (emit_block_move): Likewise.
8395 (clear_storage): Likewise.
8396 * profile.c (output_func_start_profiler): Likewise.
8397 * toplev.c (rest_of_decl_compilation): Likewise.
8398 * objc/objc-act.c (create_builtin_decl): Likewise.
8399 (synth_module_prologue): Likewise.
8400 (generate_static_reference): Likewise.
8401 (build_selector_reference_decl): Likewise.
8402 (build_class_reference_decl): Likewise.
8403 (build_objc_string_decl): Likewise.
8404 (build_protocol_reference): Likewise.
8406 2001-01-10 Richard Henderson <rth@redhat.com>
8408 * hwint.h: Revert yesterday's change.
8410 2001-01-10 Nick Clifton <nickc@redhat.com>
8412 * function.h (save_machine_status): Delete.
8413 (restore_machine_status): Delete.
8414 Amend comment describing {init|mark|free}_machine_status.
8416 * function.c (save_machine_status): Delete.
8417 (restore_machine_status): Delete.
8418 Amend comment describing {init|mark|free}_machine_status.
8419 (push_function_context_to): Remove invocation of
8420 save_machine_status.
8421 (pop_function_context_from): Remove invocation of
8422 restore_machine_status.
8424 * emit-rtl.c (init_emit_once): Amend comment describing
8425 {init|mark|free}_machine_status.
8427 * tm.texi (Per-Function Data): New node. Describe the
8428 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8431 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8433 * cppinit.c (OPT_g): Remove.
8434 (cpp_handle_option): Update for removed -g3.
8435 (print_help): Update.
8436 * cpplib.h (struct cpp_options): Remove debug_output.
8437 * cppmain.c (setup_callbacks, cb_define): Update.
8438 * gcc.c (cpp_options): Translate -g3 to -dD.
8440 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8442 * config/i960/i960.md: Change modifier to + on the zero_extract
8443 pattern after the (rotate -2 reg) canonicalization pattern.
8445 2001-01-10 Richard Henderson <rth@redhat.com>
8447 * config/alpha/alpha.c (alpha_free_machine_status): New.
8448 (override_options): Install it.
8449 (alpha_mark_machine_status): Verify machine non-null.
8450 * config/i386/i386.c (ix86_free_machine_status): New.
8451 (override_options): Install it.
8452 (ix86_init_machine_status): Use xcalloc.
8453 (ix86_mark_machine_status): Verify machine non-null.
8454 * config/ia64/ia64.c (ia64_free_machine_status): New.
8455 (ia64_override_options): Install it.
8456 (ia64_mark_machine_status): Verify machine non-null.
8458 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8460 * function.c (instantiate_virtual_regs): Instantiate virtual
8461 registers found in CALL_INSN_FUNCTION_USAGE.
8463 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8465 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8466 equivalent to -ansi in disabling -Di386.
8468 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8470 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8472 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8474 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8476 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8478 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8480 * invoke.texi: Document that -fcond-mismatch isn't supported for
8483 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8485 * gcc.texi: Define macro gcctabopt.
8486 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8487 @command, @env and @option in some places where appropriate. Use
8488 @gcctabopt where appropriate. Put URLs and email addresses inside
8491 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8493 * gcc.c (cpp_options): Set MD file name from output
8494 filename, if specified.
8495 (suffix_subst): New static variable.
8496 (do_spec): Clear it.
8497 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8499 (give_switch): Handle suffix_subst.
8501 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8503 * invoke.texi: Fix another typo.
8505 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8507 * invoke.texi: Fix typo.
8509 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8511 * c-lang.c (lang_hooks): Update.
8512 (lang_decode_option): Remove.
8513 (lang_init_options): Rename c_init_options.
8514 * toplev.c (main): Use lang_hooks for lang_init_options
8515 and lang_decode_option.
8516 * toplev.h (lang_hooks): Add 2 new hooks.
8517 * tree.h: Remove lang_init_options and lang_decode_option.
8518 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8519 * cp/decl2.c: Similarly.
8520 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8521 (lang_hooks): Update.
8522 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8524 (lang_init_options): Rename ffe_init_options.
8525 (lang_hooks): Update.
8526 (lang_decode_option): Remove.
8527 * java/lang.c (lang_init_options): Rename java_init_options.
8528 (lang_decode_option): Rename java_decode_option.
8529 (lang_hooks): Update.
8530 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8531 (lang_decode_option): Rename objc_decode_option.
8532 (lang_hooks): Update.
8534 2001-01-09 Nick Clifton <nickc@redhat.com>
8536 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8537 (d30v_return_addr_rtx): Delete.
8538 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8539 cfun->machine structure.
8540 (struct machine_function): Move to d30v.h
8541 (d30v_save_machine_status): Delete.
8542 (d30v_restore_machine_status): Delete.
8543 (d30v_init_machine_status): New Function.
8544 (d30v_mark_machine_status): New Function.
8545 (d30v_free_machine_status): New Function.
8546 (d30v_init_expanders): Use new functions.
8547 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8548 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8549 d30v_return_addr_rtx.
8551 * config/d30v/d30v.h (struct_machine): Move here.
8552 Add eh_epilogue_sp_ofs field.
8554 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8555 field in cfun->machine structure.
8557 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8559 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8560 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8561 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8563 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8565 * objc/lang-options.h: Remove bogus reference to
8568 2001-01-09 Kazu Hirata <kazu@hxi.com>
8570 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8573 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8575 * reload.c (find_reloads_address): Check for eliminable registers
8576 when substituting a constant expression for a pseudo.
8578 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8580 * c-common.c (enum format_type): Add format_type_error.
8581 (decode_format_type): New function.
8582 (decl_attributes): Use it.
8583 (format_kind_info): Adjust comment.
8585 2001-01-09 David O'Brien <obrien@BSDi.com>
8587 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8588 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8590 * config/i386/gnu.h: Don't include required platform specific .h files,
8591 tm.h will do it instead.
8592 * config/i386/i386elf.h: Likewise.
8593 * config/i386/linux.h: Likewise.
8594 * config/i386/moss.h: Likewise.
8595 * config/mips/gnu.h: Likewise.
8597 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8599 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8600 (rs6000-ibm-aix3.[01]*): Likewise.
8601 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8602 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8603 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8604 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8605 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8606 (powerpc-*-eabiaix*): Likewise.
8607 (powerpc-*-eabisim*): Likewise.
8608 (powerpc-*-elf*): Likewise.
8609 (powerpc-*-eabi*): Likewise.
8610 (powerpc-*-rtems*): Likewise.
8611 (powerpc-*-linux*libc1): Likewise.
8612 (powerpc-*-linux*): Likewise.
8613 (powerpc-wrs-vxworks*): Likewise.
8614 (powerpcle-wrs-vxworks*): Likewise.
8615 (powerpcle-*-sysv*): Likewise.
8616 (powerpcle-*-elf*): Likewise.
8617 (powerpcle-*-eabisim*): Likewise.
8618 (powerpcle-*-eabi*): Likewise.
8619 (powerpcle-*-solaris2*): Likewise.
8620 * config/rs6000/aix31.h: Delete includes.
8621 * config/rs6000/aix3newas.h: Likewise.
8622 * config/rs6000/aix41.h: Likewise.
8623 * config/rs6000/aix43.h: Likewise.
8624 * config/rs6000/beos.h: Likewise.
8625 * config/rs6000/rtems.h: Likewise.
8626 * config/rs6000/sysv4.h: Likewise.
8628 2001-01-09 Kazu Hirata <kazu@hxi.com>
8630 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8631 Change an argument mode of machine_mode to shift_mode of
8632 shift_mode. Remove an extra error check.
8633 (emit_a_shift): Adopt to the new calling prototype of
8635 (function_prologue): Fix code for a monitor
8636 function. Support H8/S.
8637 (function_epilogue): Do not output pop for a monitor function.
8639 2001-01-09 Nick Clifton <nickc@redhat.com>
8641 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8642 (setup_incoming_varargs): Use sysv_varargs_p field of the
8643 cfun->machine structure.
8644 (struct machine_function): Move to rs6000.h
8645 (rs6000_save_machine_status): Delete.
8646 (rs6000_restore_machine_status): Delete.
8647 (rs6000_init_machine_status): New Function.
8648 (rs6000_free_machine_status): New Function.
8649 (rs6000_init_expanders): Use new functions.
8651 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8653 (struct machine_function): Move here.
8655 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8656 sysv_varargs_p field of the cfun->machine structure.
8658 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8660 (rs6000_restore_machine_status): Remove prototype.
8662 2001-01-09 Richard Henderson <rth@redhat.com>
8664 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8665 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8666 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8667 (sched_analyze_2, sched_analyze_insn): Likewise.
8668 (sched_analyze, init_deps): Likewise.
8669 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8670 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8671 (compute_block_backward_dependences): Update propagate_deps call.
8673 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8675 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8677 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8679 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8680 (cpp_handle_option): Handle them.
8681 (cpp_post_options): Ensure one of -M or -MM is specified with
8682 any other -M? option.
8683 (init_dependency_output): Suppress output with -MG.
8685 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8688 * invoke.texi: Update.
8690 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8692 * sh.md (reload_outsf): Generate recognizable patterns for
8695 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8697 * c-lang.c (lang_hooks): Update.
8698 (lang_init): Rename c_init.
8699 (lang_finish): Remove.
8700 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8702 * toplev.h (lang_hooks): Add init () and finish ().
8703 * tree.h (lang_init, lang_finish): Remove.
8704 * cp/tree.h (lang_init, lang_finish): Remove.
8705 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8706 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8708 (lang_init, lang_finish): Remove.
8709 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8710 (lang_hooks): Update.
8711 * java/lang.c (lang_init): Rename java_init.
8712 (lang_finish): Remove.
8713 (lang_hooks): Update.
8714 * objc/objc-act.c (lang_init): Rename objc_init.
8715 (lang_finish): Remove.
8716 (lang_hoooks): Update.
8718 20001-01-09 Graham Stott <grahams@redhat.com>
8720 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8721 after `ptr` is initialised.
8723 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8725 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8726 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8727 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8728 stack adjusts, instead of r3.
8730 2001-01-09 Michael Hayes <mhayes@redhat.com>
8732 * flow.c (flow_loop_scan): Break out of ...
8733 (flow_loops_find) ... here.
8734 * basic-block.h (flow_loop_scan): New.
8735 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8736 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8738 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8740 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8742 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8743 realloc()ing macro_buffer.
8745 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8746 if it's wider than long and the target's long is wider than the
8749 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8751 Remove support for using UWIN as a host machine.
8752 * configure.in: Issue an error message.
8753 * configure: Regenerated.
8754 * config.gcc: Remove xm_* UWIN configury.
8755 * config/i386/xm-uwin.h: Remove.
8757 2001-01-08 Nick Clifton <nickc@redhat.com>
8759 * config/v850/v850.c (ra_rtx): Delete.
8760 (v850_save_machine_status): Delete.
8761 (v850_restore_machine_status): Delete.
8762 (v850_init_machine_status): New function.
8763 (v850_mark_machine_status): New function.
8764 (v850_free_machine_status): New function.
8765 (v850_return_addr): Use ra_rtx field in machine structure.
8766 (v850_init_expanders): Use new functions.
8768 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8769 * config/v850/v850.c: Change arguments to v850_output+* functions
8770 to take a const char *, to avoid compile time warning.
8771 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8772 (USER_LABEL_PREFIX): Redefine.
8774 2000-01-08 Jim Wilson <wilson@redhat.com>
8776 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8777 1 to unsigned HOST_WIDE_INT before left shift.
8779 2001-01-08 Nick Clifton <nickc@redhat.com>
8781 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8782 the machine structure has been allocated.
8783 (arm_free_machine_status): New function: Free the machine
8784 specific function structure.
8786 2001-01-08 Richard Henderson <rth@redhat.com>
8788 * jump.c (simplejump_p): Revert last change.
8790 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8792 * cppinit.c (init): Rename init_library.
8793 (cpp_create_reader): Update.
8794 * gcc.c (cpp_options): If -o given, use it as the target of
8797 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8799 * arm.c (arm_arch5e): New variable.
8800 (all_cores): XScale is a 5TE device.
8801 (arm_override_options): Set arm_arch5e.
8802 (arm_init_builtins): __builtin_prefetch is in arch5e.
8803 * arm.h (arm_arch5e): Declare it.
8805 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8807 * arm.md (define_constants): Add defines for UNSPEC and
8808 UNSPEC_VOLATILE insns. Update all users.
8809 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8810 * arm.c (multi_register_push, note_invalid_constants)
8811 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8812 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8813 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8815 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8817 * jump.c (jump_optimize_1): Use reversed_comparison_code
8818 instead of can_reverse_comparison_p.
8819 (jump_back_p): Likewise.
8820 (invert_exp_1): Likewise.
8821 (thread_jumps): Likewise.
8822 * simplify-rtx.c (simplify_unary_operation): Likewise.
8823 (simplify_ternary_operation): Likewise.
8824 * cse.c (find_comparison_args): Convert to use
8825 can_reverse_comparison_p.
8826 (record_jump_equiv): Likewise.
8828 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8830 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8831 (EPILOGUE_USES): Define.
8832 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8833 automatically stack the LR if it isn't live.
8835 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8837 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8840 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8842 * ggc-page.c (max_alignment): New structure.
8843 (MAX_ALIGNMENT): New macro.
8844 (init_ggc): Use it to round up the sizes in the
8845 extra_order_size_table.
8847 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8849 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8852 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8854 * builtins.def (BUILT_IN_FPRINTF): New entry.
8856 * c-common.c (c_expand_builtin_fprintf): New function.
8857 (init_function_format_info): Handle __builtin_fprintf.
8858 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8859 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8861 * c-decl.c (duplicate_decls): Adjust comment.
8863 * extend.texi (fprintf): Document new builtin.
8865 2001-01-07 Richard Henderson <rth@redhat.com>
8867 * jump.c (simplejump_p): Recognize any single_set jump
8870 2001-01-07 Richard Henderson <rth@redhat.com>
8872 * configure.in (slibdir): Accept an --with-slibdir option.
8873 Use "test" not "[" in configure. Default to $(libdir).
8875 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8877 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8878 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8879 (SHLIB_LINK): Create links for the soname.
8880 * config/mips/t-iris6: Likewise.
8881 * config/sparc/t-slibgcc: Likewise.
8882 * config/sparc/t-slibgcc-sld: Likewise.
8884 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8886 * config/i386/i386.c (constant_call_address_operand): Accept
8887 (const (plus (symbol_ref) (const_int))).
8888 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8889 constant_call_address_operand.
8891 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8893 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8894 and LONG_LONG_TYPE_SIZE > 32.
8896 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8898 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8899 the previous change.
8901 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8903 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8905 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8906 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8907 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8910 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8912 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8914 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8916 * c-lang.c (c_post_options): Call cpp_post_options.
8917 * objc/objc-act.c (objc_post_options): Similarly.
8918 * cppmain.c (main): Similarly.
8919 * fix-header.c (read_scan_file): Similarly.
8920 * cppinit.c (cpp_start_read): Move option consistency checks
8921 to cpp_post_options. Don't call init_dependency_output.
8922 If needed, add default target and main file dependency.
8923 (OPT_MD, OPT_MMD): Remove.
8925 (cpp_handle_option): Update for OPT_* changes.
8926 (cpp_post_options): New.
8927 (init_dependency_output): Command line -MF overrides environment
8928 variables. Don't set default target etc. Suppress output
8929 if dependencies are going to stdout.
8930 (print_help): Update.
8931 * cpplib.h (cpp_post_options): New.
8932 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8934 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8936 * jump.c (comparison_dominates_p): Support unordered compares.
8938 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8940 * simplify-rtx.c (simplify_relational_operation): Always simplify
8941 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8944 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8946 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8947 (nonzero_bits): Likewise.
8948 (simplify_comparison): Likewise.
8949 (num_sign_bit_copies): Likewise; return more sane value depending
8950 on STORE_FLAG_VALUE.
8951 (known_cond): Do not assume EQ to be always true for equivalent
8954 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8956 * cse.c (fold_rtx): Handle unordered comparisons.
8958 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8960 * rtlanal.c (set_of_1): New static function.
8961 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8962 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8963 reg_set_last_last_regno): Remove.
8964 (set_of): New global function.
8965 (set_of_data): New structure.
8966 (reg_set_p, reg_set_last): Revamp for set_of.
8967 * rtl.h (set_of): New.
8969 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8971 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8972 * extend.texi: Document _Exit builtin.
8974 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8976 * (initialize, initialize_builtins,
8977 initialize_dependency_output, initialize_standard_includes):
8978 Rename s/initialize/init. Update.
8979 (init_dependency_output): Move to after
8980 cpp_handle_options, the correct location temporally at least.
8981 (opt_comp): Move next to init (), its caller. Fix prototype.
8982 (init): Make "initialized" local scope.
8983 (cpp_create_reader): Always call init ().
8984 (cpp_start_read): Update.
8985 (output_deps): New function, broken out of cpp_finish.
8986 (cpp_finish): Break out output_deps.
8988 2001-01-07 Richard Henderson <rth@redhat.com>
8990 * collect2.c (COFF specific stuff): Revert 12-06 patch
8991 to prototype system functions.
8993 2001-01-07 Michael Hayes <mhayes@redhat.com>
8995 * hard-reg-set.h: Add multiple include guard.
8996 * basic-block.h (struct loop): Add `sink' field.
8997 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8998 (emit_iv_add_mult): Delete.
8999 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9000 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9001 (unroll_loop): Remove end_insert_before argument.
9002 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9003 (maybe_eliminate_biv_1): Likewise.
9004 (emit_iv_add_mult): Delete.
9005 (gen_add_mult, loop_regs_update): New.
9006 (loop_insn_emit_after, loop_insn_emit_before): New.
9007 (loop_insn_sink, loop_insn_sink_or_swim): New.
9008 (emit_iv_add_mult): Delete.
9009 (scan_loop): Set loop->sink.
9010 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9011 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9012 (maybe_eliminate_biv_1): Likewise.
9013 (maybe_eliminate_biv_1): Add basic block argument.
9014 * unroll.c (unroll_loop): Remove end_insert_before argument.
9015 (find_splittable_regs): Likewise.
9016 (find_splittable_regs): Use loop_insn_sink and its ilk.
9017 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9019 2001-01-07 Michael Hayes <mhayes@redhat.com>
9021 * loop.h (loop_insn_hoist): New prototype.
9022 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9023 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9024 (check_dbra_loop, load_mems): Likewise.
9025 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9026 (find_splittable_givs): Likewise.
9028 2001-01-07 Michael Hayes <mhayes@redhat.com>
9030 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9032 2001-01-07 Richard Henderson <rth@redhat.com>
9034 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9036 2001-01-07 Richard Henderson <rth@redhat.com>
9038 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9039 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9040 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9041 variant that handles a shared libgcc.
9042 (process_command): Always validate -{static,shared}-libgcc.
9043 (do_spec_1): New 'M' case.
9044 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9046 2001-01-07 Richard Henderson <rth@redhat.com>
9048 * Makefile.in (slibdir): New variable.
9049 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9050 (installdirs): Create slibdir.
9051 (install-libgcc, install-multilib): Defer to libgcc.mk.
9052 * configure.in (slibdir): Substitute.
9053 * mklibgcc.in (install): New target.
9055 * config/t-linux (SHLIB_LINK): Create links for the soname.
9056 (SHLIB_INSTALL): New.
9057 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9058 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9059 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9060 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9061 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9063 2001-01-07 Richard Henderson <rth@redhat.com>
9065 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9066 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9067 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9069 2001-01-07 Michael Hayes <mhayes@redhat.com>
9071 * loop.c (count_loop_regs_set): Delete.
9072 (load_mems_and_recount_loop_regs_set): Delete.
9073 (loop_regs_scan): Merge common code from count_loop_regs_set,
9074 scan_loop, and load_mems_and_recount_loop_regs_set.
9075 (scan_loop): Call load_mems directly and loop_regs_scan
9076 again if new registers created.
9078 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9080 * toplev.c (main): Call the front-end specific post_options
9081 hook if one is given.
9082 * toplev.h (struct_lang_hooks, lang_hooks): New.
9083 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9084 for the C front end.
9085 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9086 lang_hooks for the C++ front end.
9087 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9088 lang_hooks for the ObjC front end.
9089 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9090 * java/lang.c (lang_hooks): Hooks for the Java front end.
9092 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9094 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9095 for verbose DWARF[2] debugging.
9096 (cb_define, cb_undef): The new callbacks.
9097 * toplev.h (debug_define, debug_undef): Make const correct.
9098 * toplev.c (debug_define, debug_undef): Similarly. Do not
9099 perform the verbosity tests here anymore.
9101 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9103 * reload.c (subst_reloads): Take INSN argument. When
9104 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9105 * reload.h (subst_reloads): Adjust prototype.
9106 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9107 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9108 present in JUMP_INSNs and copy them to JUMP_LABEL.
9109 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9110 JUMP_INSNs and insns with REG_LABELs that are followed by
9111 JUMP_INSNs with the same REG_LABEL.
9112 * sched-rgn.c (is_cfg_nonregular): Likewise.
9113 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9115 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9117 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9119 2001-01-06 Richard Henderson <rth@redhat.com>
9121 * loop.c (scan_loop): Use xcalloc for the regs array.
9122 (load_mems_and_recount_loop_regs_set): Zero the new memory
9123 received from xrealloc.
9125 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9127 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9129 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9131 * integrate.c (copy_rtx_and_substitute): When copying
9132 an ignored return value, strip REG_FUNCTION_VALUE_P.
9134 2001-01-06 Michael Hayes <mhayes@redhat.com>
9136 * loop.c (debug_biv, debug_giv): New.
9137 (loop_biv_dump): Break out from ...
9138 (record_biv): ... here.
9139 (loop_giv_dump): Break out from ...
9140 (record_giv): ... here.
9141 (loop_bivs_check): Use print_simple_rtl.
9142 * unroll.c (loop_iterations): Use print_simple_rtl.
9144 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9146 * pa.md (return, return_internal): Modify patterns to prevent regrename
9147 mucking with the return pointer.
9149 2001-01-05 Richard Henderson <rth@redhat.com>
9151 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9153 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9155 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9156 version supplied by Matteo Frigo.
9158 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9160 * cpp.texi: Update for -MQ.
9161 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9162 (cpp_cleanup): Always free pfile->deps.
9163 (initialize_dependency_output): Don't create pfile->deps.
9164 (cpp_handle_option): Similarly.
9166 * gcc.c (cpp_options): Handle -MQ.
9167 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9168 * mkdeps.c (base_name): Remove.
9169 (deps_init): Don't allocate vector space until it's needed.
9170 (deps_free): Only free vectors if allocated.
9171 (deps_add_target, deps_add_dep): Update for initial allocation.
9172 (deps_add_default_target): Don't strip to the base_name.
9174 2001-01-05 DJ Delorie <dj@redhat.com>
9176 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9177 (INIT_EXPANDERS): Define.
9179 * config/v850/v850.c (struct machine_function): Define.
9180 (v850_save_machine_status): New function.
9181 (v850_restore_machine_status): New function.
9182 (v850_return_addr): New function.
9183 (v850_init_expanders): New function.
9185 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9186 and v850_init_expanders.
9188 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9190 * cpplib.h (struct cpp_reader): Add help_only field.
9191 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9192 (cpp_handle_option): Set pfile->help_only if we see -h,
9193 --help, -target-help, or --version. Print version string but
9194 do not set help_only if we see -v or -version. Make text
9195 printed by -v match that printed by (-)-version.
9197 * cppmain.c (main): Exit after option parsing if
9198 pfile->help_only is true.
9200 * toplev.c (independent_decode_option): Call print_version,
9201 then exit, if we see --version (but not -version).
9202 (print_version): Split lengthy message into two lines.
9204 2001-01-05 Nick Clifton <nickc@redhat.com>
9206 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9207 temporary string for initialisation before calling ggc_alloc_string.
9209 2001-01-06 Michael Hayes <mhayes@redhat.com>
9211 * rtl.h (print_simple_rtl): New.
9212 * print-rtl.c (print_simple_rtl): New.
9214 (print_rtx): Disable printing of flags and modes, etc.,
9215 if `flag_simple` nonzero.
9217 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9219 * function.c (fixup_var_refs): Use push_to_full_sequence where
9222 2001-01-05 Michael Meissner <meissner@redhat.com>
9224 * flags.h (flag_reorder_blocks): Add declaration.
9225 (flag_rename_block): Ditto.
9227 2001-01-05 DJ Delorie <dj@redhat.com>
9229 * function.c (reorder_blocks): Make sure the flags are all reset
9230 before using them to mark blocks, else a second invocation will
9231 corrupt the block chain.
9232 (reorder_blocks_0): New, resets the flags.
9234 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9236 * cse.c (find_comparison_args): Stop if the argument is known to
9239 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9241 * config/sh/sh.md (movdf): When splitting load into pair of
9242 registers, don't clobber the register used in the address too
9245 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9247 * varasm.c (mark_constant_pool): Improve initial comments.
9248 (mark_constants): Move marking of constants to mark_constant.
9249 (mark_constant): New function to recursively mark all constants
9250 referred to by a constant.
9252 2001-01-05 Catherine Moore <clm@redhat.com>
9254 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9256 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9258 * cp/lang-options.h: Bring comment in line with reality.
9259 * f/lang-options.h: Likewise.
9260 * java/lang-options.h: Likewise.
9261 * objc/lang-options.h: Likewise.
9262 * ch/lang-options.h: Likewise.
9263 * f/g77.texi: And update the manual.
9265 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9266 Denis Chertykov <denisc@overta.ru>
9268 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9269 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9270 * config/avr/avr.md (all peepholes that request a scratch register):
9271 Call it, FAIL the peephole if not safe (in interrupt functions).
9273 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9275 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9277 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9279 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9281 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9282 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9283 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9284 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9285 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9287 * extend.texi: Document these builtins.
9289 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9291 * c-common.c (lang_get_alias_set): Say we know nothing of
9292 VECTOR_TYPE aliasing.
9294 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9296 2001-01-05 Bruce Korb <bkorb@gnu.org>
9298 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9299 their x* equivalent versions for atexit-less systems
9300 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9301 systems (or any other system any more).
9303 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9305 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9306 output operands. Use arm_hard_register_operand for operand 4.
9307 (stmsi_postinc): Similarly.
9308 (ldmsi): Use arm_hard_register_operand for opernand 2.
9310 * arm.c (arm_hard_register_operand): New function.
9311 * arm-protos.h (arm_hard_register_operand): Prototype it.
9313 * arm.h (HARD_REGNO_RENAME_OK): Define.
9315 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9317 * simplify-rtx.c (cfc_args): add "unordered" field.
9318 (check_fold_consts): Set unordered field.
9319 (simplify_relational_operation): Simplify the unordered
9322 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9325 * emit-rtl.c (try_split): Fix code to mark labels.
9326 * jump.c (mark_jump_label): Make global.
9327 * rtl.h (mark_jump_label): Declare.
9329 * predict.c (estimate_probability): Handle unordred comparisons.
9331 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9333 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9334 * cppinit.c (initialize_dependency_output): Update.
9335 (cpp_finish): Output dummy targets for -MP.
9337 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9338 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9339 * gcc.c (cpp_options): Update to handle -MP.
9340 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9341 to quote only the default target.
9342 (deps_phony_targets): Insert a preceding newline. Rename from
9343 deps_dummy_targets for consistency.
9346 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9348 * calls.c (emit_library_call_value_1): Support
9349 INIT_CUMULATIVE_LIBCALL_ARGS.
9350 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9352 2001-01-04 Richard Henderson <rth@redhat.com>
9354 * c-decl.c (finish_struct): Detect flexible array members
9355 used in an inappropriate context.
9356 * c-typeck.c (really_start_incremental_init): Special case
9357 constructor_max_index for zero length arrays.
9358 (pop_init_level): Allow initialization of flexible array
9359 members. Deprecate initialization of zero length arrays.
9360 Don't issue missing initializer warning for flexible array
9361 members or zero length arrays.
9362 (process_init_element): Don't dereference null DECL_SIZE.
9363 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9364 Don't abort for empty constructors. Use size_binop
9365 (output_constructor): Add commentary regarding zero length
9366 array futures. Abort if we try to initialize an array of
9367 unspecified length with a non-empty constructor in the middle
9370 * extend.texi (Zero Length): Update and clarify documentation
9371 on static initialization.
9373 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9375 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9376 with more than 32767 words of local storage.
9378 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9380 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9381 for 'abs', 'labs', and 'fabs'.
9382 (c4x_expand_builtin): Likewise.
9383 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9385 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9387 * config/sh/sh.md (prget, prset): New insn types.
9388 (return delay slot): Dont' allow prset.
9389 (call, sfunc delay slot): Don't allow prget.
9390 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9391 for prset and prget.
9393 2001-01-05 Michael Hayes <mhayes@redhat.com>
9395 * loop.h (struct loop_reg): New.
9396 (struct loop_regs): Change to use array of `struct loop_reg'.
9397 * loop.c: Replace assortment of varrays with single regs array.
9398 (count_one_set): Delete may_not_move array argument
9399 and use regs array instead. All caller's changed.
9400 (count_loop_regs_set): Delete may_not_move and single_usage
9401 arguments and use regs array instead. All caller's changed.
9402 (find_single_use_in_loop): Replace usage array argument with pointer
9403 to regs structure. All caller's changed.
9404 (loop_optimize): Delete `moved_once' array.
9406 2001-01-05 Michael Hayes <mhayes@redhat.com>
9408 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9409 Use it instead of loop_info->has_call for scanning loop mems.
9410 (check_dbra_loop): Replace loop_info->has_call test with
9411 loop_info->has_nonconst_call.
9413 2000-01-04 Matthew Hiller <hiller@redhat.com>
9415 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9418 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9420 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9421 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9423 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9425 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9426 (flag_short_double, flag_short_wchar): Define.
9427 (c_common_nodes_and_builtins): Create many tree nodes shared
9428 between C and C++ here instead of in cp/decl.c and ...
9429 * c-decl.c (init_decl_processing): ... here.
9430 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9431 (flag_short_double, flag_short_wchar): Don't define.
9432 (record_builtin_type): New function.
9433 (build_void_list_node): New function.
9434 * c-common.h (flag_short_double, flag_short_wchar,
9435 record_builtin_type, build_void_list_node): Declare.
9437 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9439 * integrate.c (expand_inline_function): Don't put a virtual
9440 register into the reg map.
9442 * function.c (fixup_var_refs_1): If force_operand didn't put
9443 the address into the target, move it there.
9445 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9447 Special-case tree_decl/tree_list allocations.
9448 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9449 (OBJECT_SIZE): New macro.
9450 (NUM_EXTRA_ORDER): Likewise.
9451 (extra_order_size_table): New variable.
9452 (NUM_ORDERS): New macro.
9453 (objects_per_page_table): New variable.
9454 (object_size_table): New variable.
9455 (G.pages): Use NUM_ORDERS to bound the array.
9456 (G.page_tails): Likewise.
9457 (DIV_ROUND_UP): Remove.
9458 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9459 (alloc_page): Use OBJECT_SIZE.
9460 (size_lookup): Don't make it const.
9461 (ggc_alloc): Use OBJECT_SIZE.
9462 (ggc_set_mark): Likewise.
9463 (ggc_get_size): Likewise.
9464 (init_ggc): Set up the object_size_table, objects_per_page_table,
9465 and adjust size_lookup.
9466 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9467 (ggc_pop_context): Use NUM_ORDERS.
9468 (clear_marks): Likewise.
9469 (sweep_pages): Likewise.
9470 (poison_pages): Likewise.
9471 (ggc_print_statistics): Use OBJECT_SIZE.
9473 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9475 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9476 Only call array_size_for_constructor if last field and array type
9477 with no upper bound.
9479 2001-01-04 Philip Blundell <philb@gnu.org>
9481 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9482 from bit 31 downwards, if this requires no more insns.
9483 (count_insns_for_constant): New helper function for above.
9485 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9487 * gencodes.c (output_predicate_decls): Remove empty initializer.
9489 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9491 * tree.c (copy_node): Remove documentation about obstacks.
9492 (buidl1): Check that nobody tries to build 2-argument nodes this
9495 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9497 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9500 * gencodes.c (output_predicate_decls): Fill empty initializer
9503 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9505 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9506 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9508 (do_include): Handle missing headers like cpp0.
9509 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9510 paths with first include pathname. Don't strcat to uninitialized
9513 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9515 * regrename.c (regrename_optimize): Don't rename from frame pointer
9516 if frame_pointer_needed.
9517 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9518 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9519 (ia64_reorg): Use it instead of scheduling if ! optimize.
9520 (errata_emit_nops): Properly call asm_noperands.
9521 (ia64_sched_reorder): Finish cycle if we see an asm.
9522 (ia64_variable_issue): Clear scheduling state after asms.
9524 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9526 * cpp.texi: Update for -MT.
9527 * cppinit.c (initialize_dependency_output): Add a default
9528 target if none has been given already.
9529 (no_tgt, OPT_MT): New.
9530 (cpp_handle_option): Handle -MT. Update -M etc.
9531 * cpplib.h (struct cpp_options): Remove deps_target.
9532 * gcc.c (cpp_options): Handle -MT.
9533 * mkdeps.c (struct deps): Move from mkdeps.h.
9534 (deps_calc_target): Rename deps_add_default_target. Add a
9535 default target if none has been specified already.
9536 * mkdeps.h (struct deps): Move to mkdeps.c.
9537 (deps_calc_target): Rename deps_add_default_target.
9539 2000-01-03 Richard Henderson <rth@redhat.com>
9541 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9543 * c-typeck.c (push_init_level): Move checks for flexible array
9544 members and zero length arrays ...
9545 (pop_init_level): ... here. Silently discard empty initializations.
9547 * varasm.c (output_constructor): Update for sizeof change to
9550 * extend.texi (Zero Length): Clarify semantics.
9552 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9554 * configure.in (tm.h): Include isns-codes.h last.
9555 * configure: Rebuilt.
9557 2001-01-03 Richard Henderson <rth@redhat.com>
9559 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9560 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9562 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9564 * tradcpp.c (main): Make sure finclude() is called with a valid
9565 indepth value while handling -include.
9567 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9569 * gencodes.c (output_predicate_decls): New function.
9571 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9572 even if it is not the first time machmode.h is #included.
9573 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9574 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9575 * gcc.texi (Copyright): Added 2001.
9577 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9579 * c-common.c (c_common_lang_init): New function. Warn if format
9580 warning options which only have effects when used with -Wformat
9581 are used without -Wformat.
9582 * c-common.h (c_common_lang_init): Declare.
9583 * c-lang.c (lang_init): Call c_common_lang_init.
9584 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9586 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9588 * configure.in: Check for the mktemp command.
9589 * configure: Regenerate.
9590 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9591 $TEMP. Create temporary files with mktemp, if available at
9592 configure time; otherwise use set -C. Remove temporary files
9595 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9597 * configure.in: Require at least texinfo 4.0. Check for whether
9598 Pod::Man is sufficiently recent to regenerate GCC manpages.
9599 * configure: Regenerate.
9600 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9602 (GENERATED_MANPAGES): Define.
9603 (generated-manpages): New target. Depend on cpp.1 as well as
9605 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9606 configure to generated-manpages or empty) rather than on the
9607 manpages directly. Remove execute permission from installed
9608 gcov.1 as well as cpp.1.
9609 * cpp.1, gcov.1: Regenerate.
9611 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9613 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9614 tree_low_cst. Allow using cmpstrsi in more cases.
9616 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9618 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9621 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9623 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9624 * Makefile.in (HOST_CFLAGS): Mention build-make.
9626 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9628 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9631 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9633 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9636 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9639 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9640 reg_base_value and reg_known_value arrays.
9641 (init_alias_analysis): Add more cases to detect known values.
9642 * sched-deps.c (deps_may_trap_p): New function.
9643 (sched_analyze_2): Use it.
9645 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9647 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9648 don't discard an ASHIFTRT if we're shifting in a wider mode.
9650 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9652 * toplev.c (rest_of_compilation): Don't print basic block information
9653 when CFG isn't up to date.
9655 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9657 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9658 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9659 (UNALIGNED_SHORT_ASM_OP): Define.
9660 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9662 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9664 * fold-const.c (fold_convert): Fix typo.
9666 2001-01-02 Richard Henderson <rth@redhat.com>
9668 * c-common.h (ASM_INPUT_P): New.
9669 * c-parse.in (asm): Set it when needed.
9670 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9671 existance of an operand.
9673 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9675 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9676 (dwarf2out_frame_debug_expr): Likewise.
9677 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9679 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9681 * i386.c (ix86_split_to_parts): Return number of part required;
9683 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9685 (ix86_split_long_move): Use number of part returned
9686 by ix86_split_to_parts
9687 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9689 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9690 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9691 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9692 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9693 (ALIGN_MODE_128): Add TFmode.
9694 (IS_STACK_MODE): Likewise.
9695 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9696 (HARD_REGNO_OK): Support TFmodes.
9697 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9698 * i386.md (scheduler definitions): Use memory operand to determine
9699 fst/fld instructions; use mode attribute to determine real mode of
9701 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9702 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9704 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9706 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9708 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9710 * expr.c (store_constructor_field): Update ALIGN before calling
9713 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9715 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9718 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9720 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9723 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9725 * c-decl.c (start_function): Don't warn on third parameter to main.
9727 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9729 * tsystem.h: Define HAVE_DECL_GETOPT.
9731 2001-01-02 Philip Blundell <pb@futuretv.com>
9733 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9736 2001-01-02 Richard Henderson <rth@redhat.com>
9738 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9740 2001-01-02 Andreas Jaeger <aj@suse.de>
9742 * c-decl.c (c_decode_option): Remove support of
9745 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9746 (W_options): Add -Wmissing-noreturn here.
9748 * flow.c: Define lang_missing_noreturn_ok_p.
9749 (check_function_return_warnings): Use it.
9751 * c-common.h: Declare lang_missing_noreturn_ok_p.
9753 * c-lang.c (c_missing_noreturn_ok_p): New function.
9754 (lang_init): Set lang_missing_noreturn_ok_p.
9756 * invoke.texi (Warning Options): Document this.
9758 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9760 * extend.texi (C++ Extensions): New node for C++ attributes;
9761 describe init_priority and com_interface.
9762 * invoke.texi: Remove -finit-priority as it now has zero effect.
9763 * install.texi: Fix xref syntax.
9764 * md.texi: Likewise.
9766 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9768 * config.gcc (sparc64-wrs-vxworks*): New case.
9769 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9771 * config/sparc/sparc.c (sparc_override_options): Do support different
9772 pointer and architecture size.
9773 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9774 (POINTERS_EXTEND_UNSIGNED): Define.
9775 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9776 (FUNCTION_MODE): Define to be Pmode.
9777 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9779 * function.c (expand_function_end): Properly handle DECL_RESULT
9780 and copy when ptr_mode != Pmode.
9781 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9783 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9785 * c-common.c (c_common_nodes_and_builtins): Set prototype
9786 parameters for __builtin_fputs, __builtin_fputc and
9787 __builtin_fwrite. Don't declare plain fputc as a builtin.
9789 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9791 * loop.c (add_label_notes): Increment the label usage count when
9792 a note is added to an insn which refers to a CODE_LABEL.
9793 * gcse.c (add_label_notes): Likewise.
9795 2001-01-01 Andreas Jaeger <aj@suse.de>
9797 * loop.c (scan_loop): Use xmalloc to allocate movables.
9799 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9801 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9802 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9803 * reload1.c (REGISTER_MOVE_COST): Likewise.
9804 * regclass.c (REGISTER_MOVE_COST): Likewise.
9805 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9806 dimension. Adjust all users.
9807 (init_reg_sets_1): Iterate on all modes.
9808 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9809 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9810 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9811 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9812 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9813 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9814 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9815 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9816 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9817 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9818 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9819 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9820 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9821 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9822 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9823 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9824 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9825 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9826 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9827 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9828 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9829 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9830 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9831 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9832 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9833 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9834 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9836 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9838 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9839 arg VARIES_P. Call it with extra arg.
9840 (true_dependence): Likewise.
9841 * rtl.h (rtx_addr_can_trap_p): Declare.
9842 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9844 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9845 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9846 pic offset table register if it's zero. All callers changed.
9847 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9849 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9851 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9852 STRING_POOL_ADDRESS_P.
9854 * config/sparc/sparc.c (input_operand): Properly test for short op.
9856 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9857 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9858 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9859 * config/sparc/elf.h: No longer include sol2.h.
9860 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9861 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9863 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9865 2001-01-01 Michael Hayes <mhayes@redhat.com>
9867 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9868 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9869 (record_initial): Likewise.
9870 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9871 (remap_split_bivs): Likewise.
9873 2001-01-01 Michael Hayes <mhayes@redhat.com>
9875 * loop.c (loop_ivs_free): New function.
9876 (strength_reduce): Break out from...
9878 2001-01-01 Michael Hayes <mhayes@redhat.com>
9880 * loop.h (struct iv): New.
9881 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9882 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9883 'reg_biv_class' fields with 'regs' and 'n_regs'.
9884 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9885 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9886 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9888 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9890 * resource.c (mark_referenced_resources): Abort() before
9891 attempting to mark a pseudo register.
9892 (mark_set_resources): Likewise.
9894 2001-01-01 Michael Hayes <mhayes@redhat.com>
9896 * loop.h (REG_IV_CLASS): New accessor macro.
9897 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9898 * unroll.c (REG_IV_CLASS): Likewise.
9900 See ChangeLog.4 for earlier changes.
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