1 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
4 contents for a SYMBOL_REF in case of floating point constants.
6 2001-05-10 DJ Delorie <dj@redhat.com>
8 * c-common.c (combine_strings): Widen strings in a
9 host-endian-independent way.
11 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
13 * c-parse.in: Remove many shift/reduce conflicts. Update
15 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
16 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
17 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
18 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
19 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
20 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
21 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
22 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
23 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
24 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
25 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
26 typespec_reserved_nonattr, typespec_reserved_attr,
27 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
28 structsp_nonattr, components_notype, component_notype_declarator,
29 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
30 firstparm, setspecs_fp): New
31 (typed_declspecs, reserved_declspecs, typed_typespecs,
32 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
33 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
34 declmods_no_prefix_attr, nonempty_type_quals, structsp,
35 type_quals): Remove. Users updated.
36 (initdecls, notype_initdecls, after_type_declarator,
37 parm_declarator, notype_declarator, absdcl1, components, ivars):
38 Don't allow attributes at the start of a declarator; include them
39 in the production containing the declarator instead. Always
40 require type specifiers before trying to redeclare a typedef name.
41 (typename): Allow for attributes but warn that they are ignored.
42 (parmlist, firstparm, setspecs_fp): Include attributes in
43 parmlist; suck them off the parser stack in firstparm using
46 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
48 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
49 to determine if a block has an unconditional jump at its end.
51 * jump.c (jump_optimize_1): When converting a conditional jump
52 to an unconditional jump, build the jump using gen_jump instead
53 of just modify operands in-place.
55 2001-05-09 Zack Weinberg <zackw@stanford.edu>
57 * cppinit.c (cpp_post_options): Shut off macro expansion if
59 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
60 IN_I directives only if the # is in column 1 and the directive
61 name begins in column 2.
62 * cppmain.c (scan_buffer): Insert a space between # and an
63 identifier, when that identifier is a directive name.
65 * tradcpp.c (struct file_buf): Add a pointer to the next entry
66 in the header search path.
67 (enum node_type): Add T_INCLUDE_NEXT.
68 (directive_table): Add entry for include_next.
69 (do_include_next): New function.
70 (process_include): New routine, broken out of do_include.
71 (finclude): Insert 'nhd' argument, to be copied into
72 next_header_dir of the new buffer.
73 (main): Adjust to match.
74 * gsyslimits.h, limity.h: Un-indent #include_next.
76 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
78 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
79 inclusion as a chapter of the GCC manual.
80 * gcc.texi: Include objc.texi.
81 * fdl.texi: Use @unnumberedsec for the addendum.
82 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
84 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
86 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
88 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
90 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
91 handling of two-address insns.
93 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
95 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
96 ../binutils/nm-new instead of ../binutils/nm.
98 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
100 * i386.md (movdi splitter): Fix the splitting condition
101 (float_extenddftf splitter): Fix mode.
103 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
105 * genrecog.c (write_switch): Avoid outputting of switch for
106 types wider than int.
108 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
110 * reload1.c (copy_eh_notes): New function.
111 (emit_input_reload_insns): Call it.
112 (emit_output_reload_insns): Call it.
114 2001-05-07 Zack Weinberg <zackw@stanford.edu>
116 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
118 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
119 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
121 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
123 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
125 * pa.md (interspace_jump): Revise comment.
126 (builtin_longjmp): Block initial setup insns from delay slot of
128 (builtin_setjmp_receiver): New expander to save and restore PIC
131 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
133 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
135 * toplev.c (compile_file): Set up the output file before we call
136 the various initializers for the compiler.
138 * except.c (sjlj_mark_call_sites): Do not search for assignments to
139 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
141 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
142 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
144 2001-05-06 Zack Weinberg <zackw@stanford.edu>
146 * Makefile.in (tradcpp0): Correct typo in dependency list.
148 2001-05-06 Geoff Keating <geoffk@redhat.com>
150 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
151 the link register if we're not going to use it.
153 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
154 (output_function_profiler): Likewise.
156 2001-05-07 Alan Modra <amodra@one.net.au>
158 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
160 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
162 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
163 zero-extend it. Make abs_inc unsigned.
165 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
166 widest mode in narrowing and widening operations.
168 * config/mips/mips.md: Sign extend CONST_INTs.
170 2001-05-06 Andreas Jaeger <aj@suse.de>
172 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
173 (i386 Options): Document -momit-leaf-frame-pointer.
175 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
177 * c-typeck.c (internal_build_compound_expr): Check for
178 array to pointer conversion just once.
180 2001-05-05 Richard Henderson <rth@redhat.com>
182 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
184 2001-05-05 Richard Henderson <rth@redhat.com>
186 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
187 to the parent of the fixup region.
189 2001-05-05 Jakub Jelinek <jakub@redhat.com>
191 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
193 * cpp.texi (__NO_INLINE): Document it.
195 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
197 * cppfiles.c (struct include_file): New member err_no.
198 (find_or_create_entry): Set it.
199 (open_file): Don't set fds to -2. Instead, use err_no to
200 remember previous errors, if any.
202 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
204 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
205 between X and Y by using sequences of xgdx and xgdy.
207 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
209 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
210 of '!' for the 'D' alternative ('!' is too strong).
211 ("*logicalsi3_silshl16"): Likewise.
212 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
213 ("movstrictsi"): Remove spurious '+'.
214 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
215 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
216 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
219 2001-05-04 David Edelsohn <edelsohn@gnu.org>
221 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
223 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
225 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
228 2000-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
230 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
233 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
235 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
236 soft register, use ror instead of rol.
238 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
240 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
241 into account pre/post increment decrement for 68HC12.
242 Fix other problems in replacement and fix call to reg_mentioned_p.
244 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
246 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
247 Put the soft registers in bss for 68HC12.
248 (L_regs_d3_4): New for _.d3 and _.d4.
249 (L_regs_d5_6): Likewise.
250 (L_regs_d1_2): Likewise.
251 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
253 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
255 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
256 to the pre-processor when -fshort-double is specified.
257 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
259 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
261 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
262 (__mulsi3): Rewrite for 68HC12.
263 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
264 Mark 'x' constraint with earlyclobber to prevent a
265 RELOAD_FOR_OTHER_ADDRESS to go in it.
266 (mulhi3_m68hc12): New pattern.
267 (mulhi3_m68hc11): Rename of mulhi3.
268 (mulhi3): New expand for 68HC12 optimisation.
269 (umulhisi3, mulhisi3): New patterns for 68HC12.
271 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
273 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
274 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
275 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
277 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
279 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
280 constants cheap after reload.
281 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
283 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
284 so that gcc prefers a shift by 16.
285 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
287 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
289 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
291 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * alpha.h: NULL_PTR -> NULL.
303 * m68hc11.h: Likewise.
304 * rs6000.h: Likewise.
315 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
317 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
318 `bool' parameter to `int'.
320 * hash.c (hash_lookup): Likewise.
322 * hash.h (hash_lookup): Likewise.
324 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
326 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
328 * i386.c (x86_initialize_trampoline): Fix mode of constant.
330 2001-05-03 Geoff Keating <geoffk@redhat.com>
332 * invoke.texi (i386 Options): Delete references to -malign-jumps,
333 -malign-loops, -malign-functions.
334 * i386.c (ix86_align_funcs): Delete.
335 (ix86_align_loops): Delete.
336 (ix86_align_jumps): Delete.
337 (override_options): Mark -malign-* as obsolete. Emulate their
338 behaviour with the -falign-* options. Default -falign-* from
340 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
341 patch of Wed May 2 13:09:36 2001.
342 (LOOP_ALIGN): Delete.
343 (LOOP_ALIGN_MAX_SKIP): Delete.
344 (LABEL_ALIGN_AFTER_BARRIER): Delete.
345 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
347 2001-05-04 Andreas Jaeger <aj@suse.de>
349 * except.h: Add prototype declaration for
350 expand_builtin_init_dwarf_reg_sizes.
352 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
354 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
356 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
358 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
360 ("bitcmpqi2"): New pattern for bit-extract and test.
361 ("bitcmphi"): New pattern for bitb/bita instructions.
363 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
365 * gccbug.in: Use a temporary directory when the mktemp command is
368 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
370 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
372 (INITIALIZE_TRAMPOLINE): Call it.
373 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
374 (TRAMPOLINE_TEMPLATE): Remove.
375 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
376 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
379 2001-05-03 David O'Brien <obrien@FreeBSD.org>
381 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
382 and crtendS.o with PIC.
384 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
386 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
388 (___subdi3, ___adddi3): Use x instead of y as index register.
389 (__init_bss_section, __map_data_section): Optimize for 68HC12.
390 (__memset, __memcpy): Likewise.
391 (regs): Put the soft registers in bss for 68HC12.
392 (abort): Use trap to abort for 68hc12.
393 (__mulhi3, __mulhi32): Use emul for 68hc12.
394 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
396 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
398 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
399 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
400 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
401 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
402 Set 68HC12 min offset to -65536.
403 (print_operand): Put parenthesis arround the operand if it refers
404 to a symbol having the same name as a register.
405 (m68hc11_z_replacement): When z register is replaced by its
406 equivalent soft register, force the insn to be re-recognized.
407 (m68hc11_check_z_replacement): Fix the test when destination is
408 the index register and z dies in the insn.
409 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
411 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
413 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
414 costs according to processor variant.
415 (m68hc11_shift_cost): New function to compute shift costs.
416 (m68hc11_rtx_costs): Define costs according to processor variant.
417 (m6811_cost): Costs for 68HC11.
418 (m6812_cost): Costs for 68HC12.
419 (COSTS_N_INSNS): Remove.
421 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
422 (DEFAULT_RTX_COSTS): Remove.
423 (CONST_COSTS): Define costs according to OUTER_CODE.
424 (processor_costs): New struct to define costs.
425 (m68hc11_cost): Pointer to current costs.
427 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
429 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
430 and use m68hc11_notice_keep_cc when using leax/leay.
431 (addhi3 split): Reject split if the insn is handled by
433 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
434 push must be handled in a special way if the source operand uses
435 sp as index register.
436 (m68hc11_notice_keep_cc): New function.
437 (m68hc11_gen_movhi): Use it when an insn changes a register but
439 (m68hc11_gen_movqi): Fix move for 68HC12.
440 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
442 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
444 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
445 and don't pass operands[0] to emit_library_call_value.
447 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
449 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
450 (zero_extendsi split): Simplify and use (zero_extendhi).
451 (*addhi3): Remove 'w' constraint since stack pointer is handled
453 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
454 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
455 (*ashrhi3_const): Fix shift by 7.
456 (*lshrsi3_const16): Fix template.
457 (call, call_value): Fix constraint and predicate.
459 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
461 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
462 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
463 (CC_REGNUM): Likewise.
464 (*unnamed splits): Use above constants instead of hard coded numbers.
465 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
466 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
467 (*return_16bit, *unnamed peepholes): Likewise.
469 2001-05-03 David O'Brien <obrien@FreeBSD.org>
471 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
472 rs6000/rs6000.h twice.
474 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
476 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
477 (CPP_SPEC): Conditionally define MSDOS and GO32.
478 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
479 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
481 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
483 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
485 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
487 2001-05-03 Mark Mitchell <mark@codesourcery.com>
489 * integrate.h (struct inline_remap): Add leaf_reg_map table.
490 * integrate.c (expand_inline_function): Use xcalloc to allocate
492 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
495 2001-05-03 Mark Mitchell <mark@codesourcery.com>
497 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
500 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
502 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
503 linker if -mrelax is given.
504 (TARGET_SWITCHES): Document -mrelax.
506 Re-installed 2001-01-09's patch:
507 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
508 if it's wider than long and the target's long is wider than the
511 2001-05-02 David O'Brien <obrien@FreeBSD.org>
513 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
514 directly include rs6000/rs6000.h. Instead do it in tm.h.
516 2001-05-02 Stan Shebs <shebs@apple.com>
518 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
519 NSConstantString for NeXT-style runtimes.
520 (STRING_OBJECT_GLOBAL_NAME): New macro.
521 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
522 OCTI_STRING_CLASS_DECL.
523 (constant_string_global_id): New macro.
524 (string_class_decl): Ditto.
525 (setup_string_decl): New function.
526 (build_objc_string_object): Use it to build a NeXT runtime
527 compatible string initializer.
529 2001-05-02 Jakub Jelinek <jakub@redhat.com>
531 * tradcpp.c (do_define): Make sure we don't walk past limit.
533 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
535 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
536 offsets if not REG_OK_STRICT.
538 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
539 (INT_REG_OK_FOR_INDEX_P): Likewise.
540 (INT_REG_OK_FOR_BASE_P): Likewise.
541 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
542 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
543 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
544 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
545 REG_OK_FOR_BASE_P. Take an additional parameter.
546 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
547 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
548 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
549 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
550 rs6000_legitimate_address() and use it.
551 * config/rs6000/rs6000.c: Update all callers.
552 (rs6000_legitimate_address): New function.
554 2001-05-02 David Edelsohn <edelsohn@gnu.org>
556 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
557 special_constant conditional blocks together.
559 2001-05-02 Dale Johannesen <dalej@apple.com>
561 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
563 (STRICT_ARGUMENT_NAMING): Define.
564 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
565 function_arg_partial_nregs, setup_incoming_varargs): Remove
566 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
569 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
571 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
573 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
576 * expr.c (store_field): Do nothing except elaborate side-effects if
579 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
581 * c-lex.c: NULL_PTR -> NULL.
583 * emit-rtl.c: Likewise.
585 * genpeep.c: Likewise.
587 * mips-tdump.c: Likewise.
588 * reload1.c: Likewise.
589 * rtlanal.c: Likewise.
591 * stor-layout.c: Likewise.
592 * toplev.c: Likewise.
594 2001-05-01 Per Bothner <per@bothner.com>
596 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
597 call do_pending_stack_adjust before emiting label.
599 2001-05-01 Mark Mitchell <mark@codesourcery.com>
601 * extend.texi: Fix typo.
603 2001-05-01 Stan Shebs <shebs@apple.com>
605 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
606 of UOBJC_MODULES_decl.
607 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
608 (generate_descriptor_table): Ditto.
609 (generate_protocols): Ditto.
610 (generate_protocol_list): Ditto.
611 (generate_classref_translation_entry): Ditto.
613 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
615 * invoke.texi (Optimize Options): Add documentation for `--param
616 max-delay-slot-insn-search' and `--param
617 max-delay-slot-live-search' and reorder --param section.
618 * params.def: Modify initial comment.
619 * params.h (param_info): Add `help' member.
620 * toplev.c (lang_independent_params): Include `help' description.
621 (display_help): Print --param parameters.
623 2001-05-01 Zack Weinberg <zackw@stanford.edu>
625 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
626 Remove references to deleted files.
627 (*-*-openbsd): No need to override xmake_file.
628 (*-*-sysv4): Treat like *-*-sysv.
630 * configure.in: Probe for ldopen in various places, and set up
631 collect2 to be linked with them if found.
632 Don't dink with Windows registry stuff unless $host_os is a
633 Win32 os name. Check to see if we need -ladvapi32.
634 * configure: Regenerate.
636 * Makefile: Get rid of CLIB and HOST_CLIB.
637 Substitute in COLLECT2_LIBS and link collect2 against its contents.
638 * build-make: Get rid of HOST_CLIB.
640 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
641 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
642 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
643 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
644 config/rs6000/x-rs6000: Delete.
646 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
649 24 x-host fragments remain, 0 x-cpu, 3 top level.
651 2001-05-01 Zack Weinberg <zackw@stanford.edu>
653 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
654 * configure: Regenerate.
656 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
658 * Makefile.in (install-headers): Remove redundant dependency.
660 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
662 * c-tree.texi (USING_STMT): Document.
664 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
666 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
667 * c-common.c: Likewise.
668 * c-decl.c: Likewise.
669 * combine.c: Likewise.
670 * rs6000.c: Likewise.
671 * except.c: Likewise.
672 * explow.c: Likewise.
674 * fold-const.c: Likewise.
675 * function.c: Likewise.
678 * integrate.c: Likewise.
680 * objc/objc-act.c: Likewise.
682 * reg-stack.c: Likewise.
683 * reload.c: Likewise.
684 * reload1.c: Likewise.
685 * simplify-rtx.c: Likewise.
687 * varasm.c: Likewise.
689 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
691 * diagnostic.def: New file.
692 * diagnostic.h (diagnostic_t): New enum.
693 * Makefile.in (diagnostic.o): Depend on diagnostic.def
695 2001-04-30 Zack Weinberg <zackw@stanford.edu>
697 * tsystem.h: Test only POSIX for availability of string.h
699 * config.gcc (all systems): If USG appeared in xm_defines,
700 change it to POSIX. If both USG and POSIX appeared, just
701 delete USG. Remove unnecessary quotes around xm_defines
703 (m68k-crds-unos*): Don't #define unos - tested nowhere.
704 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
705 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
706 powerpc-*-linux*): No need to set xm_defines - handled by
707 global settings for *-*-linux*.
709 2001-04-30 Zack Weinberg <zackw@stanford.edu>
711 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
712 Always include gstab.h, not system stab.h. Don't provide
713 default definitions of N_CATCH or N_OPT. Always use the
714 gstab.h variant of STAB_CODE_TYPE.
715 * final.c: Don't include stab.h/gstab.h at all, or provide
716 defaults for N_SLINE and N_SOL.
718 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
719 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
721 * sdbout.c: Always include gsyms.h instead of system syms.h.
723 * configure.in: No need to check for stab.h.
724 * configure, config.in: Regenerate.
725 * Makefile.in (final.o): Don't depend on gstab.h.
727 2001-04-30 Mark Mitchell <mark@codesourcery.com>
728 Richard Henderson <rth@redhat.com>
730 * extend.texi: Improve documentation of volatile asms.
732 2001-04-30 Mark Mitchell <mark@codesourcery.com>
734 * c-tree.texi: Fix thinko.
735 * gcc.texi: Likewise.
737 2001-04-30 Richard Henderson <rth@redhat.com>
739 * c-common.c (c_promoting_integer_type_p): New function, from the
740 corpse of old macro. Properly promote too-small enumerations and
741 booleans. Adjust all callers.
742 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
743 (c_promoting_integer_type_p): Declare.
744 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
745 * c-typeck.c: Likewise.
746 (default_conversion): Remove now redundant boolean check.
748 2001-04-30 Jan Hubicka <jh@suse.cz>
749 Richard Henderson <rth@redhat.com>
751 * regmove.c (try_apply_stack_adjustment): Remove now redundant
753 (combine_stack_adjustments_for_block): Don't combine stack
754 allocation followed by deallocations. Handle grow-up stacks.
756 2001-04-30 Mark Mitchell <mark@codesourcery.com>
758 * fdl.texi: New file.
759 * c-tree.texi: Use the GFDL.
760 * gcc.texi: Likewise.
762 2001-04-30 Stan Shebs <shebs@apple.com>
764 * invoke.texi: Add a section documenting Objective-C options.
766 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
768 * emit-rtl.c (try_split): Copy EH notes to sequence.
770 2001-04-30 Mark Mitchell <mark@codesourcery.com>
772 * regmove.c (record_stack_memrefs): Catch all references to the
775 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
777 * Makefile.in(stmp-fixinc): quote shell assignment values
779 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
781 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
785 * prefix.c: Likewise.
787 2001-04-28 Stan Shebs <shebs@apple.com>
789 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
790 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
791 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
792 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
794 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
795 (NEXT_OBJC_RUNTIME): Define.
797 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
799 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
800 * simplify-rtx.c (simplify_gen_relational): Likewise.
802 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
804 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
805 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
807 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
808 registers in SSE case; fix handling of the immediates.
809 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
810 operands to be in regsiters before reload.
811 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
812 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
813 (abstf,absxf,negtf,negxf splitters): Compute
814 properly the regnum for x86_64.
815 (avsdf2_if_rex64): New.
817 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
819 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
820 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
821 into the constant pool.
822 * jump.c (jump_optimize_1): Remove barrier successors after all
823 the LABEL_NUSES counds have been computed.
824 (delete_barrier_successors): When deleting a tablejump insn, also
825 delete the jump table it uses.
826 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
829 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
831 * pa.c (FRP): Remove erroneous white space in macro definition.
833 2001-04-28 Andreas Jaeger <aj@suse.de>
835 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
837 * extend.texi: Likewise.
840 2001-04-28 Andreas Jaeger <aj@suse.de>
842 * md.texi: Use XX-bit instead of XXbit or XX bit where
845 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
847 * gcc.c (process_command): Allow -l lib in addition to -llib
848 for POSIX compliance. This fixes PR c/2347.
850 * invoke.texi: Update section on Link Options accordingly.
852 2001-04-27 Zack Weinberg <zackw@stanford.edu>
854 * function.c (purge_addressof_1): Remove the duplicate
855 if (code == SET) block. Fold the two if (code == ADDRESSOF)
858 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
860 * except.c (expand_eh_region_start): Don't start a new block.
861 (expand_eh_region_end): Don't end a block.
862 * stmt.c (expand_end_bindings): Don't end EH blocks.
863 (expand_decl_cleanup): Starting an EH region won't change the block.
864 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
865 (is_eh_region): Lose.
868 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
870 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
872 * collect2.c (main): Add `-L' case to remove duplicate entries.
873 (is_in_args): New function to check for a duplicate argument.
874 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
875 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
876 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
877 Define to be nonzero.
879 2001-04-27 Andreas Jaeger <aj@suse.de>
880 Richard Henderson <rth@redhat.com>
882 * md.texi (Machine Constraints): Document additional i386
883 constraints and fix description of "A".
885 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
887 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
889 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
891 * except.c (get_exception_filter): word_mode, not Pmode.
893 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
895 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
896 common to other movsf patterns. Move up so that in future
897 people who change the other patterns will change it too.
898 (movsf_lo_sum): Allow even for soft-float; add appropriate
900 (movsf_high): Likewise.
901 (movsf_high+1): Allow even for soft-float.
903 * function.c (expand_function_end): Always clobber the
904 return registers, even if there is no return label.
906 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
908 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
910 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
912 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
913 (pushqi2_rex64, pushhi2_rex64): Add.
915 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
917 * except.c (expand_eh_region_end_cleanup): Force pending stack
918 adjust before emitting label that branches around cleanup code.
920 2001-04-26 H.J. Lu (hjl@gnu.org)
922 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
924 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
926 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
927 (ASM_OUTPUT_SECTION_NAME): Likewise.
928 (ASM_WEAKEN_LABEL): Likewise.
929 (UNIQUE_SECTION): Likewise.
930 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
931 (ASM_OUTPUT_DESTRUCTOR): Likewise.
932 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
933 (ASM_OUTPUT_SECTION_NAME): Likewise.
934 (ASM_WEAKEN_LABEL): Likewise.
935 (UNIQUE_SECTION): Likewise.
936 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
937 (ASM_OUTPUT_DESTRUCTOR): Likewise.
938 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
939 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
940 (ASM_FILE_START): Likewise.
941 (ASM_OUTPUT_SOURCE_LINE): Likewise.
942 (ASM_DECLARE_OBJECT_NAME): Likewise.
943 (ASM_FILE_END): Likewise.
944 (ASM_DECLARE_FUNCTION_NAME): Likewise.
945 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
946 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
947 (ASM_OUTPUT_CASE_LABEL): Likewise.
948 (ASM_OUTPUT_SKIP): Likewise.
949 (ASM_OUTPUT_ASCII): Likewise.
950 (ASM_OUTPUT_IDENT): Likewise.
951 (READONLY_DATA_SECTION): Likewise.
952 (EXTRA_SECTIONS): Likewise.
953 (EXTRA_SECTION_FUNCTIONS): Likewise.
954 (SELECT_RTX_SECTION): Likewise.
955 (SELECT_SECTION): Likewise.
957 * config/mips/linux.h (INVOKE__main): Undefine.
958 (CTOR_LIST_BEGIN): Likewise.
959 (CTOR_LIST_END): Likewise.
960 (DTOR_LIST_BEGIN): Likewise.
961 (DTOR_LIST_END): Likewise.
962 (SET_ASM_OP): Defined it to ".dummy".
963 (ASM_OUTPUT_DEF): Defined.
964 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
966 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
968 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
969 assembler supports .p2align.
971 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
973 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
975 2001-04-26 Jakub Jelinek <jakub@redhat.com>
977 * integrate.c (expand_inline_function): Check for error_mark_node
980 2001-04-26 Jakub Jelinek <jakub@redhat.com>
982 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
985 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
987 * configure.in (configargs.h): Define thread_model.
988 * configure: Rebuilt.
989 * gcc.c (main): Print it with -v.
991 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
993 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
994 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
997 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
999 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1000 is_redundant_typedef): Use static inline instead of inline static.
1002 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1004 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1005 this directory is always searched.
1007 2001-04-25 Richard Henderson <rth@redhat.com>
1009 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1010 of registers to restore along non eh_return path.
1012 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1014 * c-format.c (check_format_info_recurse): Handle
1015 PLUS_EXPR for format string.
1017 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1019 * config/ia64/ia64.h (CC1_SPEC): Define.
1020 * config/ia64/linux.h (CC1_SPEC): Define.
1022 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1024 * emit-rtl.c (constant_subword): Also do sign extension in
1025 BITS_PER_WORD == 16 case.
1027 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1029 * loop.c (try_swap_copy_prop): Go back to checking insn.
1031 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1033 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1034 if check_mode is non-zero.
1036 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1038 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1039 out and comparison sequence has been detected, put result into
1040 proper temporary pseudo.
1042 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1044 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1045 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1046 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1047 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1048 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1049 for future reference.
1051 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1053 * except.c (reachable_handlers): Step out one level from a RESX.
1055 * except.c (struct eh_region): Rename 'last' to 'resume'.
1056 (mark_eh_region, duplicate_eh_region_1): Adjust.
1057 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1058 (build_post_landing_pads): Likewise.
1059 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1060 (expand_eh_region_end_must_not_throw): Likewise.
1061 (connect_post_landing_pads): Thread (only) regions with non-deleted
1064 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1065 registers around the cleanup.
1066 (get_exception_filter): New fn.
1067 (finish_eh_generation): Use it.
1069 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1071 * c-semantics.c (add_scope_stmt): Don't call
1072 current_scope_stmt_stack multiple times.
1074 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1075 Nathan Sidwell <nathan@codesourcery.com>
1077 Lazy __FUNCTION__ generation.
1078 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1079 RID_C99_FUNCTION_NAME): New _RIDs.
1080 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1081 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1082 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1084 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1085 (c99_function_name_decl_node, function_name_decl_node,
1086 pretty_function_name_decl_node, saved_function_name_decls):
1088 (struct language_function): Remove x_function_name_declared_p.
1089 (make_fname_decl): Remove a parameter.
1090 (declare_function_names): Remove prototype.
1091 (start_fname_decls, finish_fname_decls): Prototype.
1092 (fname_as_string): Likewise.
1093 (fname_string, fname_decl): Likewise.
1094 * c-common.c (make_fname_decl): Adjust.
1095 (struct fname_var_t): New struct.
1096 (fname_vars): New static array.
1097 (declare_function_name): Remove.
1098 (start_fname_decls, finish_fname_decls): New functions.
1099 (fname_as_string): New function from remnants of
1100 declare_function_name.
1101 (fname_string, fname_decl): New functions.
1103 * c-decl.c (c_function_name_declared_p): Remove.
1104 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1105 don't call declare_function_name. Call start_fname_decls.
1106 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1107 clobber the line number. Call finish_decl.
1108 (start_function): Call start_fname_decls.
1109 (finish_function): Call finish_fname_decls.
1110 Remove c_function_name_declared_p.
1111 (push_c_function_context): Don't push c_function_name_declared_p.
1112 (pop_c_function_context): Don't pop c_function_name_declared_p.
1113 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1114 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1115 (program): Call finish_fname_decls for C.
1116 (primary): Add VAR_FUNC_NAME.
1117 (reswords): Add slots for __FUNCTION__ et al.
1118 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1119 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1120 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1121 * c-semantics.c (prune_unused_decls): Remove.
1122 (finish_stmt_tree): Don't call prune_unused_decls.
1123 (genrtl_decl_stmt): Don't prune unused decls here.
1125 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1127 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1128 constant pool, use the pool's SYMBOL_REF instead.
1130 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1133 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1135 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1136 passing nested NOP_EXPRs to fold.
1138 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1140 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1142 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1144 * loop.c (loop_delete_insns): Add prototype.
1146 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1148 * configure.in: Remove ENABLE_STD_NAMESPACE.
1149 * config.in: Regenerated.
1150 * configure: Regenerated.
1152 2001-04-22 Stan Shebs <shebs@apple.com>
1154 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1156 * config/rs6000/xm-darwin.h: Remove file.
1158 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1160 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1161 (write_c_file_stat): Likewise.
1163 * dbxout.c (dbxout_init): Likewise.
1165 * profile.c (output_func_start_profiler): Likewise.
1167 2001-04-22 Philipp Thomas <pthomas@suse.de>
1169 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1170 require it instead of the CVS version.
1171 * cpperror.c (v_message): Put a blank before the macro
1172 body to not confuse exgettext.
1174 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1176 * flow.c (proagate_one_insn): Remove useless assignment.
1177 * jump.c (delete_insn): Tidy.
1178 * loop.c (try_copy_prop): When deleting an instruction with a
1179 REG_RETVAL note, delete the entire libcall sequence.
1180 (loop_delete_insns): New function.
1181 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1182 we're not substituting into them yet.
1184 2001-04-21 Kazu Hirata <kazu@hxi.com>
1186 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1188 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1190 * config/i960/i960.c (signed_arith_operand): Likewise.
1192 * calls.c (expand_call): Fix a comment typo.
1194 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1196 * configure.in: Probe for times, clock, struct tms, and clock_t.
1197 * configure, config.in: Regenerate.
1198 * timevar.c: Replace ifdef forest in get_time with (relatively)
1199 straightforward series of checks based on autoconf's probes.
1201 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1203 * config/pa/som.h (NM_FLAGS): Define.
1205 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1207 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1209 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1210 * ia64.c (nop_cycles_until): New function.
1211 (prev_cycle, prev_first, last_issued): New static variables.
1212 (ia64_sched_reorder): Additional arg for clock.
1213 On final scheduling pass, emit extra NOPs as needed.
1214 Set prev_first and prev_cycle.
1215 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1216 (ia64_variable_issue): Set last_issued.
1218 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1220 * config/i386/i386.c (ix86_expand_int_movcc,
1221 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1223 2001-04-20 Geoff Keating <geoffk@redhat.com>
1225 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1226 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1227 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1228 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1229 ctrdi_internal6): In the short-branch case, this insn is only 4
1230 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1232 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1234 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1235 "=u" is used together with "st" resp. "st(1)" clobber.
1237 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1239 * gcse.c (gcse_main): Fix comment typo.
1240 (delete_null_pointer_check): Likewise.
1241 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1242 * cse.c (cse_insn): Likewise.
1243 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1246 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1248 * toplev.c: Excise all code for the undocumented -dm option.
1249 (float_signal): Call signal just once, unconditionally.
1251 2001-04-19 Geoff Keating <geoffk@redhat.com>
1253 * fold-const.c (fold): Use first_rtl_op rather than
1254 TREE_CODE_LENGTH when looping over parameters of a tree.
1255 Correct strange grouping in test for evaluated SAVE_EXPR.
1257 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1259 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1260 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1262 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1263 name at 32 total characters.
1264 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1265 functions in named sections -- data items can still go into unique
1266 sections, but they have normal names (ie $LIT$ and $DATA$).
1268 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1271 2001-04-19 DJ Delorie <dj@redhat.com>
1273 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1274 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1275 * config/i386/cygwin.h: Likewise.
1276 * config/i386/mingw32.h: Likewise.
1277 * config/vax/vms.h: Likewise.
1278 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1280 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1281 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1282 * config/i386/xm-cygwin.h: Likewise.
1283 * config/i386/xm-djgpp.h: Likewise.
1284 * config/i386/xm-mingw32.h: Likewise.
1285 * config/vax/xm-vms.h: Likewise.
1287 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1288 instead of OBJECT_SUFFIX.
1289 * collect2.c (find_a_file): Look for files matching the extension
1290 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1291 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1292 TARGET_EXECUTABLE_SUFFIX.
1293 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1294 (make_relative_prefix): Likewise.
1295 (convert_filename): Use TARGET_ suffixes throughout. Remove
1297 (process_command): Likewise.
1298 (do_spec_1): Likewise.
1299 * java/lang.c (init_parse): Likewise.
1301 * gcc.texi : Document four new options matching the pattern
1302 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1303 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1304 documentation for NO_AUTO_EXE_SUFFIX.
1306 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1308 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1309 that language-independent processing should not be done.
1310 * toplev.c (main): Adjust accordingly.
1312 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1313 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1315 * mips.md (reload_outputdi): Require that operand0 be a
1318 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1320 * invoke.texi (-Wshadow): Clarify.
1322 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1324 * loop.c (load_mems): Examine all the instructions in the loop
1325 before concluding that all jumps branch to the first instruction
1328 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1330 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1332 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1334 * cpp.texi (-Wwhite-space): Remove.
1335 (-Wall): -Wall does not imply -Wwhite-space.
1337 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1339 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1340 use it instead of blindly generating a .stabs.
1341 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1343 * xcoffout.c: Don't bother defining default for N_CATCH.
1344 (UNKNOWN_STAB): Use internal_error.
1345 (stab_to_sclass): Remove now-unnecessary aborts.
1346 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1348 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1350 * jump.c (mark_all_labels): Canonicalize the tail recursion
1351 label attached to CALL_PLACEHOLDER insns.
1353 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1355 * output.h (dump_flow_info, free_basic_block_vars,
1356 which_alternative): Delete redundant prototypes.
1358 * rtl.h (bss_section): Likewise.
1360 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1362 * dbxout.c (N_OPT): Define if not available from <stab.h>
1364 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1366 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1367 libraries and native K&R compilers.
1369 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1371 * c-typeck.c (convert_arguments): Don't check for width changes
1374 * invoke.texi (-Wtraditional): Update documentation.
1376 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1378 * toplev.c (output_lang_identify): Delete.
1379 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1380 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1381 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1382 after calling ASM_FILE_END.
1384 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1385 Instead, unconditionally emit an N_OPT stab with string equal
1386 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1388 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1390 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1391 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1392 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1393 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1394 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1395 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1396 config/i370/i370.h, config/i386/beos-elf.h,
1397 config/i386/osf1elf.h, config/i386/osfrose.h,
1398 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1399 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1400 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1401 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1402 config/mips/iris6.h, config/mips/osfrose.h,
1403 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1404 config/sparc/sp64-elf.h:
1405 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1406 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1408 * config/elfos.h, config/freebsd.h, config/linux.h,
1409 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1410 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1411 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1412 of ASM_FILE_START which merely emit a .version directive. Delete
1413 definitions of ASM_FILE_END which merely emit an .ident directive.
1415 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1416 ASM_IDENTIFY_GCC and move part of its logic into
1419 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1420 config/sparc/linux-aout.h: Don't emit .version directive in
1423 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1424 (output_file_start): Correct comment.
1426 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1427 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1429 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1430 * config/rs6000/aix.h: Correct comment.
1432 * config/i386/i386afe.h: Delete.
1433 * config.gcc: Remove references to i386afe.h.
1435 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1436 other macros deleted by this patch were undocumented.
1438 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1440 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1442 * pa.c (secondary_reload_class): SAR<->FP copies require a
1445 * install.texi (mips-mips-bsd): Update list of functions
1446 required to include memmove.
1447 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1448 used functions to include memmove.
1450 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1452 * i386.md (sqrtdf2): SFmode should be DFmode.
1454 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1456 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1457 (find_moveable_store): Likewise.
1459 2001-04-15 Jim Wilson <wilson@redhat.com>
1461 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1463 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1465 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1466 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1468 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1470 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1473 2001-04-14 Alan Modra <amodra@one.net.au>
1475 * pa.c (force_mode): New function.
1476 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1478 2001-04-13 Jim Wilson <wilson@redhat.com>
1480 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1481 (first_instruction): New static variable.
1482 (rtx_needs_barrier): Return 1 for alloc.
1483 (init_insn_group_barriers): Set first_instruction.
1484 (rws_sum): Delete duplicate definition.
1485 (group_barrier_needed_p): Return 0 when first_instruction true.
1486 (safe_group_barrier_needed_p): Save and restore first_instruction
1487 around group_barrier_needed_p call.
1489 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1491 * expr.h (enum libfunc_index): Add LTI_memmove.
1492 (memmove_libfunc): Define macro.
1493 * optabs.c (init_optabs): Initialize memmove_libfunc.
1494 * expr.c (expand_assignment): Use memmove_libfunc instead of
1497 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1499 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1502 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1504 * Makefile.in (reg-stack.o): Depend on reload.h.
1505 (insn-attrtab.o): Depend on flags.h.
1507 * genattrtab (main): Include flags.h in insn-attrtab.c.
1509 * reg-stack.c: Include reload.h.
1511 * sparc.h (flag_pic): Delete redundant declaration.
1513 * output.h (flag_pic): Likewise.
1515 * tree.h (pedantic): Likewise.
1517 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1519 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1521 * jump.c, regmove.c, toplev.c: Include reload.h.
1523 * reload.h (reload_cse_regs): Declare.
1525 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1526 reload_cse_regs, init_reload, mark_home_live, reload,
1527 init_caller_save): Delete redundant prototypes.
1529 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1531 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1533 * regclass.c, ssa.c: Include expr.h.
1535 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1536 gen_move_insn): Delete redundant declarations.
1538 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1540 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1541 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1542 MAKEINFO and MAKEINFOFLAGS too.
1543 (stage4_build): Correctly order -B flags.
1545 2001-04-13 Alan Modra <amodra@one.net.au>
1547 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1548 PIC_OFFSET_TABLE_SAVE_RTX.
1549 (zdepi_cint_p): Describe zdepi insn.
1550 Formatting and white space fixes throughout file.
1552 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1553 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1554 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1555 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1556 (output_64bit_and): Use plain `int's for shift counts.
1557 (output_64bit_ior): Likewise.
1558 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1559 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1562 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1563 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1564 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1565 NEW_HP_ASSEMBLER into one. Kill warnings.
1567 * pa-gas.h: Delete file.
1568 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1569 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1570 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1571 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1573 * config/pa/mill32.S: New file.
1574 * config/pa/mill64.S: New file.
1575 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1576 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1577 * config/pa/t-linux64: New file.
1578 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1579 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1580 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1582 * elfos.h (SELECT_SECTION): Undef before defining.
1583 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1584 (LIB_SPEC): Remove -lmilli.
1585 (DBX_REGISTER_NUMBER): Remove.
1586 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1587 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1588 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1589 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1590 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1591 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1592 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1593 TARGET_GAS): Define.
1594 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1595 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1596 regs if we don't have a prototype.
1597 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1598 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1599 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1600 EH_RETURN_HANDLER_RTX): Define.
1601 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1602 (DWARF_FRAME_REGNUM): Define.
1603 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1604 * pa32-linux.h: New file.
1605 * pa64-linux.h: New file.
1607 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1608 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1609 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1610 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1611 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1612 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1613 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1614 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1615 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1616 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1617 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1618 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1619 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1620 * pa64-hpux.h: New file.
1621 (ASM_FILE_START): Correct typo.
1622 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1623 * config.gcc: Modify for above.
1625 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1627 * jump.c (jump_optimize_1): Don't delete dead stores here.
1628 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1629 prior to running jump optimize before cse2.
1631 2001-04-12 Richard Henderson <rth@redhat.com>
1633 * Makefile.in (regmove.o): Depend on except.h.
1634 * regmove.c: Include it.
1636 2001-04-12 Stan Shebs <shebs@apple.com>
1638 * objc/objc-act.c: Remove all code ifdefed with the never-used
1639 macro OBJC_INT_SELECTORS.
1640 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1641 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1643 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1645 * config/pa/quadlib.c: Add prototypes.
1647 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * bitmap.h (debug_bitmap): Delete redundant prototype.
1651 * rtl.h (get_frame_size): Likewise.
1653 2001-04-12 Jim Wilson <wilson@redhat.com>
1655 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1656 to just emit an fnorm.
1658 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1660 * c-common.h (truthvalue_conversion, type_for_mode,
1661 type_for_size): Delete redundant declarations.
1663 * c-lex.h (is_class_name): Likewise.
1665 * c-tree.h (pedantic, convert, getdecls, gettags,
1666 global_bindings_p, init_decl_processing, insert_block,
1667 maybe_build_cleanup, poplevel, print_lang_decl,
1668 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1669 set_block, incomplete_type_error, build_function_call,
1670 lvalue_or_else, mark_addressable): Likewise.
1672 * expr.h (expand_tree_builtin): Likewise.
1674 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1676 * invoke.texi: Document --param max-gcse-memory.
1678 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1680 * configure.in (errno): Check for declaration.
1681 * configure, config.in: Regenerated.
1683 * system.h (errno): Only declare if not already done.
1685 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1687 * recog.c (general_operand, immediate_operand,
1688 nonmemory_operand): Require CONST_INTs to be sign-extended
1689 values for their modes.
1691 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1693 * expmed.c (store_bit_field): Truncate CONST_INTs.
1694 (expand_mult_highpart, expand_divmod): Likewise.
1695 * expr.c (convert_modes, store_field): Likewise.
1696 * integrate.c (expand_inline_function): Use promote_mode() to
1697 determine whether to convert_modes() an argument as signed
1699 * optabs.c (expand_binop): Get CONST_INT operands
1700 sign-extended for their appropriate modes.
1701 * stmt.c (emit_case_nodes): Convert node values to the
1703 (expand_end_case): Convert minval and range to the appropriate
1705 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1706 the iteration variable.
1707 * varasm.c (immed_double_const): Don't require words to be
1708 narrower than host wide ints to properly sign-extend
1711 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1713 * sh.md (builtin_setjmp_receiver): New expander.
1715 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1717 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1718 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1719 for generating CONST_INT and CONST_DOUBLE.
1721 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1723 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1724 already sign-extended.
1725 (rs6000_emit_prologue): Make register iterator signed.
1726 (rs6000_emit_epilogue): Likewise.
1727 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1729 (movsf split, movdf split): Sign-extend CONST_INTs.
1730 (movdi splits): Likewise.
1732 2001-04-12 Kelley Cook <kelley.cook@home.com>
1734 * config-lang.in (lang_dirs): Add in zlib.
1736 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1738 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1739 operands that make it to RTL.
1741 2001-04-11 Stan Shebs <shebs@apple.com>
1743 Add Darwin (Mac OS X kernel) native support.
1744 * config.gcc (powerpc-*-darwin*): Add native bits.
1745 * config/darwin.c: New file, generic Darwin support functions.
1746 * config/darwin.h: New file, generic Darwin definitions.
1747 * config/darwin-protos.h: New file, generic Darwin prototypes.
1748 * rs6000/darwin.h: New file, Darwin for PowerPC.
1749 * rs6000/t-darwin: New file, Darwin makefile fragment.
1750 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1751 (TARGET_MACHO): Ditto.
1752 (rs6000_abi): Add ABI_DARWIN.
1753 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1754 (RS6000_SAVE_AREA): Ditto.
1755 (FP_ARG_MAX_REG): Ditto.
1756 (RETURN_ADDRESS_OFFSET): Ditto.
1757 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1759 (rs6000_emit_move): Add ABI_DARWIN cases.
1760 (print_operand): Ditto.
1761 (first_reg_to_save): Ditto.
1762 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1763 (debug_stack_info): Ditto.
1764 (rs6000_emit_prologue): Ditto.
1765 (rs6000_emit_epilogue): Ditto.
1766 (output_profiler_hook): Ditto.
1767 (output_function_profiler): Ditto.
1768 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1769 (output_mi_thunk): Add TARGET_MACHO case.
1770 (add_compiler_stub): Ditto.
1771 (output_compiler_stub): Ditto.
1772 (no_previous_def): Ditto.
1773 (output_call): Ditto.
1774 (machopic_output_stub): Ditto.
1775 (rs6000_machopic_legitimize_pic_address): Ditto.
1776 (toc_section): Ditto.
1777 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1778 (macho_high): Ditto.
1781 (load_macho_picbase): Ditto.
1782 (call): Add TARGET_MACHO case to modify function.
1783 (call_value): Ditto.
1784 (call_nonlocal_sysv): Add ABI_DARWIN case.
1785 (call_value_nonlocal_sysv): Ditto.
1786 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1788 (machopic_output_stub): Ditto.
1789 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1791 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1793 * dwarf2out.c (modified_type_die): Don't create new types here.
1794 * tree.h (get_qualified_type): New function.
1795 (build_qualified_type): Adjust comment.
1796 * tree.c (get_qualified_type): New function.
1797 (build_qualified_type): Use it.
1799 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1801 * cpp.texi (-Wtraditional): Update description.
1803 * invoke.texi (-Wtraditional): Likewise.
1805 2001-04-11 Jim Wilson <wilson@redhat.com>
1807 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1808 requires more than 64 bits of alignment.
1810 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1812 * cpplib.c (do_line): Sanity check iff enable checking.
1814 2001-04-11 Richard Henderson <rth@redhat.com>
1816 * Makefile.in (insn-recog.o): Depend on toplev.h.
1817 (insn-emit.o, doloop.o): Likewise.
1818 * genrecog.c, genemit.c: Include toplev.h in generated file.
1819 * doloop.c: Include toplev.h.
1821 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1823 * Makefile.in (gcse.o): Depend on params.h.
1824 * gcse.c: Include params.h.
1825 (gcse_main): Don't do GCSE if doing so will take inordinate
1827 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1828 * params.h (MAX_GCSE_MEMORY): New macro.
1830 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1832 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1834 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1836 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1838 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1840 * real.h (ereal_atof, real_value_truncate, target_isnan,
1841 target_isinf, target_negative, assemble_real, debug_real): Delete
1842 redundant prototypes.
1844 * Makefile.in (ifcvt.o): Depend on toplev.h.
1846 * c-semantics.c: Include expr.h.
1848 * ifcvt.c: Include toplev.h.
1850 * expr.h (rtx_equal_p): Delete prototype.
1852 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1853 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1854 eliminate_constant_term, expand_complex_abs, find_single_use,
1855 make_tree, init_expr_once, init_optabs, supports_one_only):
1858 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1859 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1860 expand_assignment, store_expr, emit_line_note_after,
1861 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1863 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1865 * sparc-protos.h: Delete redundant prototypes.
1867 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1869 * reload.c (push_reload): Add condition missed in SUBREG byte
1872 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1874 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1876 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1878 * i386.md (floatsisf_sse): Fix output template
1879 * i386.c (ix86_expand_fp_movcc)
1881 * reg-stack.c (emit_pop_insn): Handle complex modes.
1882 (move_for_stack_reg): Emit proper move mode.
1883 (subst_stack_regs_pat): Handle complex modes.
1885 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1887 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1889 2001-04-10 Richard Henderson <rth@redhat.com>
1891 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1892 (__pure_virtual, __terminate, __terminate_set_func,
1893 __default_terminate, __throw_type_match, __empty,
1894 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1895 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1896 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1897 Remove prototypes of deleted functions.
1899 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1901 * c-typeck.c (convert_arguments): -Wtraditional now activates
1902 -Wconversion warnings, except for changes in signed-ness.
1903 Detect complex<->int & int<->complex conversions as well.
1905 * invoke.texi (-Wtraditional): Document it.
1907 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1909 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1910 * flow.c (set_block_for_new_insns): Remove needless cast and
1911 properly check for unset block number.
1913 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1915 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1916 the subreg was a hard register. Pseudos are left as subregs.
1918 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1920 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1921 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1922 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1923 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1924 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1926 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1928 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1930 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1932 * output.h (set_block_num): Missed it earlier, remove deprecated
1935 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1937 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1938 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1939 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1940 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1941 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1942 (expr_killed_p): Change bb parameter from int to basic_block, pass
1943 basic_blocks instead of ints as parameters.
1944 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1945 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1946 from int to basic_block, pass basic_blocks instead of ints as parms.
1947 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1948 parameter from int to basic_block, pass basic_blocks instead of ints.
1949 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1950 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1951 pass basic_blocks instead of ints.
1952 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1953 basic_blocks instead of ints as parameters.
1954 (pre_delete): Pass basic_blocks instead of ints as parameters.
1955 (hoist_expr_reaches_here_p): Change bb parameter from int to
1956 basic_block, pass basic_blocks instead of ints.
1957 (hoist_code): Pass basic_blocks instead of ints as parameters.
1958 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1959 Change bb parameter from int to basic_block.
1960 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1961 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1962 pass basic_blocks instead of ints.
1963 (insert_store): Pass basic_blocks instead of ints as parameters.
1964 (replace_store_insn, delete_store): Change bb parameter from int to
1965 basic_block, pass basic_blocks instead of ints.
1966 (store_motion): Pass basic_blocks instead of ints as parameters.
1968 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1970 * basic-block.h (set_new_block_for_insns): New Prototype.
1971 (set_block_num): Delete prototype.
1972 * flow.c (set_block_num): Remove obsolete function.
1973 (set_block_for_new_insns): Set BB for single or multiple insns.
1974 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1975 (process_insn_end_bb): Use set_block_for_new_insns or
1976 set_block_for_insn instead of set_block_num.
1977 (pre_insert_copy_insn): Use set_block_for_new_insns.
1978 (update_ld_motion_stores): Use set_block_for_new_insns.
1979 (insert_insn_start_bb): Use set_block_for_new_insns.
1980 (replace_store_insn): Use set_block_for_new_insns.
1982 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1983 Jeff Law <law@redhat.com>
1985 * alias.c (get_addr): Externalize.
1986 (canon_true_dependence): New function. Behaves like true_dependance
1987 except it already assumes a MEM has been canonicalized.
1988 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1989 * gcse.c (struct ls_expr): Add load/store expressions structure.
1990 (modify_mem_list, canon_modify_mem_list): New variable.
1991 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1992 load motion and store motion if requested.
1993 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1994 (free_gcse_mem): Free the modify_mem_list array.
1995 (oprs_unchanged_p): Use load_killed_in_block_p.
1996 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1997 (mems_conflict_for_gcse_p): New function. Don't kill loads
1998 with stores to themselves if its in the load/store expression list.
1999 (load_killed_in_block_p): New function.
2000 (canon_list_insert): New Function.
2001 (record_last_mem_set_info): Keep a list of all instructions which
2002 can modify memory for each basic block.
2003 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2004 (oprs_not_set_p): Use load_killed_in_block_p.
2005 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2006 (expr_killed_p): Use load_killed_in_block_p.
2007 (compute_transp): Do not pessimize memory references.
2008 (pre_edge_insert): Update stores for a load motion expression.
2009 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2010 (ldst_entry): Find or create a ldst_expr structure.
2011 (free_ldst_entry): Free memory for an individual item.
2012 (free_ldst_mems): Free entire load/store expression list.
2013 (print_ldst_list): Print debug info.
2014 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2015 (enumerate_ldsts): Assign integer values to each entry in list.
2016 (first_ls_expr): First expression in the list.
2017 (next_ls_expr): Next expression in the list.
2018 (simple_mem): Check if expression qualifies for ld/st expression list.
2019 (invalidate_any_buried_refs): Remove from expression list if its
2020 used in some other way we dont understand.
2021 (compute_ld_motion_mems): Find all potential enhanced load motion
2023 (trim_ld_motion_mems): Remove any expressions which are invalid.
2024 (update_ld_motion_stores): Copy store values to registers for loads
2025 which have been moved.
2026 (regvec, st_antloc, num_store): New global statics.
2027 (reg_set_info): Marks registers as set.
2028 (store_ops_ok): Verfies registers expressions are valid in a block.
2029 (find_moveable_store): Look for moveable stores in a pattern.
2030 (compute_store_table): Find stores in a function worth moving, maybe.
2031 (load_kills_store): Check dependance of a load and store.
2032 (find_loads): Find any loads in a pattern.
2033 (store_killed_in_insn): Check if a store is killed in an insn.
2034 (store_killed_after): Check is store killed after an insn in a block.
2035 (store_killed_before): Check is store killed before an insn in a block.
2036 (build_store_vectors): Generate the antic and avail vectors.
2037 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2038 (insert_store): Add a store to an edge.
2039 (replace_store_insn): Replace a store with a SET insn.
2040 (delete_store): Delete a store insn.
2041 (free_store_memory): Free memory.
2042 (store_motion): Perform store motion.
2043 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2044 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2045 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2046 (f_options): Add gcse-lm and gcse-sm.
2048 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2050 * i386.c (expand_fp_movcc): Fix condition reversal code.
2052 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2053 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2054 (CLASS_MAX_NREGS): Use it.
2056 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2057 handle properly complex values.
2058 (CLASS_MAX_NREGS): Likewise; update comment.
2060 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2062 * ia64.c (ia64_flag_schedule_insns2): New variable.
2063 (ia64_override_options): Initialize it. Clear
2064 flag_schedule_insns_after_reload.
2065 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2067 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2069 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2070 Do not require source to match destination anymore;
2071 Add abort to the nontrivial cases that should be handled by split.
2072 (fix_trunc?fdi): Add SSE case for x86_64.
2073 (floatdi?f): Likewise.
2074 (floatdi?f_sse): New.
2075 (fix_trunc?fdi_sse): New.
2077 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2079 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2080 (DEBUG_ARANGES_END_LABEL): Ditto.
2081 (dwarfout_init): Generate length and version fields at the start
2082 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2083 after the length field.
2084 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2085 the .debug_aranges info.
2087 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2089 * i386.c (call, call_value): Make sure that resulting call_insn
2090 does have proper second operand.
2092 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2094 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2095 function. Remove include of sys/cygwin.h.
2097 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2099 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2100 (CPP_SPEC): Always search */include/w32api for header files.
2101 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2102 (LINK_SPEC): Add "cyg" to the library search prefixes.
2104 2001-04-08 Philip Blundell <philb@gnu.org>
2106 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2108 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2110 * cpperror.c (print_location): Don't special case <stdin>.
2111 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2112 WARNING, but we don't check if we're in system headers.
2113 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2114 * cpplib.c (do_warning): Warn in system headers.
2116 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2118 * mbchar.c: Include config.h first.
2120 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2122 * config.gcc: Set default for xmake_file at top, not bottom.
2123 Change places that set xmake_file to "none" to set to the
2124 empty string instead, or remove them entirely if there is no
2125 default xmake_file for this cpu_type. Remove references to
2128 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2129 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2130 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2131 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2132 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2133 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2134 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2135 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2136 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2137 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2140 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2141 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2142 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2143 config/mips/x-sysv, config/rs6000/x-aix31:
2144 Just set CLIB to -lld or -lmld, as appropriate.
2146 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2147 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2148 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2149 config/mips/x-iris, config/pa/x-pa:
2150 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2151 OTHER_FIXINCLUDES_DIRS.
2153 * config/i386/x-djgpp: Don't set LN or LN_S.
2154 * config/m88k/x-dolph: Don't define __m88k__.
2155 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2156 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2157 * config/i860/fx2800.h: No need to #undef SVR4.
2159 38 x-host fragments remain, 2 x-cpu.
2161 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2163 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2165 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2167 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2169 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2171 * configure.in: Add check for lstat.
2172 * configure, config.in: Regenerate.
2173 * cppinit.c (append_include_chain): Make empty path ".".
2174 * cpplib.c (do_line): Don't simplify #line paths.
2175 * cppfiles.c (remove_component_p): New function.
2176 (find_or_create_entry): Acknowledge stat () errors during
2177 path simplification.
2178 (handle_missing_header): Don't simplify paths.
2179 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2180 the empty path untouched. Don't leave a trailing '/'.
2182 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2184 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2185 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2187 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2189 * cppfiles.c (open_file): Fail directories silently, but
2190 with an errno of NOENT set.
2191 (read_include_file): Move the common exit code to the sole
2192 caller. Return an int indicating success or failure. Let
2193 open_file handle directories.
2194 (stack_include_file): If read_include_file fails,
2195 push a "null" buffer.
2197 2001-04-05 DJ Delorie <dj@redhat.com>
2199 * function.h (virtuals_instantiated): Declare.
2200 * function.c: (virtuals_instantiated): Make global.
2201 * calls.c (emit_library_call_value_1): Use
2202 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2203 Otherwise, use the stack pointer directly.
2205 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2207 * i386.c (x86_initialize_trampoline): New global function.
2208 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2209 (INITIALIZE_TRAMPOLINE): Move offline.
2210 * i386-protos.h (x86_initialize_trampoline): Declare.
2212 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2214 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2215 (lea_0): Rename to lea_1.
2216 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2217 (lea_general_?): Allow SImodes on TARGET_64BIT
2218 (lea_general_?_zext): New patterns.
2219 (call_1, call_1_rex64): Fix.
2221 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2223 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2225 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2227 * i386.c (function_arg): Return constm1_rtx for last argument.
2228 (ix86_expand_prologue): Update gen_call calls.
2229 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2230 * i386.md (call_pop): Likewise.
2231 (call): Second operand is VOIDmode.
2232 (call_0): Likewise; Support 64bits.
2233 (call_exp): New expander.
2234 (call_1): Get to the sync.
2235 (call_1_exp): New pattern.
2236 (call_value): Support 64bit.
2237 (call_value_exp): New pattern.
2238 (untyped_call): Update gen_call call.
2239 (call_value_pop): Disable for 64bit.
2240 (call_value_0_rex64): New pattern.
2241 (call_value_1_rex64): Likewise.
2243 2001-04-05 Bo Thorsen <bo@suse.de>
2245 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2247 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2249 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2250 satisfies ANY_QI_REG_P.
2252 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2254 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2257 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2260 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2262 * config.gcc: Remove default for xm_file. Clean up local
2263 machine type handling. Remove settings of xm_file to
2264 something that doesn't exist. In the big switch, set xm_file,
2265 don't append to it (the value before the big switch is always
2266 null). Don't force build_xm_file or host_xm_file to have a value.
2267 * configure.in: Remove default for xm_file. Do not special
2268 case $cpu/xm-$cpu.h not existing.
2269 * configure: Regenerate.
2271 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2273 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2274 when folding integer division and modulo operations.
2276 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2278 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2279 instead of DWARF2_ADDR_SIZE for EH addresses.
2280 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2283 2001-04-04 Richard Henderson <rth@redhat.com>
2285 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2286 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2287 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2289 2001-04-04 Richard Henderson <rth@redhat.com>
2291 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2292 * configure: Rebuilt.
2294 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2296 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2297 push insns to delete to it instead of deleting them.
2298 (delete_null_pointer_checks): Delete insns from delete_list after
2299 all delete_null_pointer_checks_1 passes are done.
2301 2001-04-04 Richard Henderson <rth@redhat.com>
2303 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2304 * configure: Rebuilt.
2306 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2308 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2309 * config/romp/xm-romp.h: Delete.
2311 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2313 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2316 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2318 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2319 all labels present in rtx.
2320 (try_split) Call new function for all split insns.
2322 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2324 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2325 sure the change won't be validated.
2327 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2329 * rtl.h (set_noop_p): Declare.
2330 * flow.c (set_noop_p): Move from here ...
2331 * rtlanal.c (set_noop_p): ... to here and enhance.
2332 * cse.c (delete_trivially_dead_insns): Use it.
2333 * gcse.c (hash_scan_set): Likewise.
2334 * jump.c (delete_noop_moves): Likewise.
2335 * recog.c (split_all_insns): Likewise.
2337 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2339 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2340 stack pointer via a LO_SUM. Ditto for setting a temp register
2341 used to save to the stack. Set cfa_temp when setting fp, and
2342 allow matches to cfa_temp in addition to cfa_store when saving
2343 regs. Handle POST_INC and LO_SUM register stores. Document the
2344 changes and errors in rule 12 doco.
2346 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2347 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2348 (load_reg): Move closer to epilogue code.
2349 (DO_FRAME_NOTES): Define to control the following..
2350 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2351 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2353 (hppa_expand_epilogue): Likewise.
2355 2001-04-03 Richard Henderson <rth@redhat.com>
2357 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2358 * configure: Rebuild.
2360 2001-04-03 Richard Henderson <rth@redhat.com>
2362 * rtl.h (LCT_THROW): New.
2363 * calls.c (emit_library_call_value_1): Handle it.
2364 * except.c (connect_post_landing_pads): Use it.
2366 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2368 * gansidecl.h: Delete file.
2369 * configure.in: Change all refs to gansidecl.h to use
2370 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2372 * configure: Regenerate.
2374 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2375 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2376 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2377 Don't include gansidecl.h.
2378 * intl.c, main.c, version.c, fixinc/fixlib.h,
2379 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2382 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2384 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2387 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2389 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2390 config/i386/xm-next.h, config/i386/xm-sco.h,
2391 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2392 config/m88k/xm-m88k.h: Delete.
2394 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2395 * config/romp/xm-romp.h: Don't define bcopy.
2396 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2397 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2399 * config.gcc: Remove references to deleted files.
2401 14 xm-host.h remain, 1 xm-cpu.h.
2403 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2404 David S. Miller <davem@pierdol.cobaltmicro.com>
2405 Andrew MacLeod <amacleod@redhat.com>
2407 Use byte offsets in SUBREGs instead of words.
2409 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2410 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2411 to pass new argument.
2412 (add_stored_regs): Use subreg_regno_offset function.
2413 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2415 (precompute_arguments): Use gen_lowpart_SUBREG.
2416 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2417 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2418 (simplify_set): Rework to use SUBREG_BYTE.
2419 (expand_field_assignment): Use SUBREG_BYTE.
2420 (make_extraction): Use SUBREG_BYTE.
2421 (if_then_else_cond): Use SUBREG_BYTE.
2422 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2423 (gen_lowpart_for_combine): Compute full byte offset.
2424 * cse.c (mention_regs): Use SUBREG_BYTE.
2425 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2426 (canon_hash): Use SUBREG_BYTE.
2427 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2428 (gen_lowpart_if_possible): Formatting.
2429 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2431 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2432 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2433 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2434 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2435 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2436 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2437 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2438 certain invariants about SUBREGs the compiler creates.
2439 (gen_lowpart_SUBREG): New function.
2440 (subreg_hard_regno): New function to get the final register number.
2441 (gen_lowpart_common): Use SUBREG_BYTE.
2442 (gen_imagpart): Spacing nits.
2443 (subreg_realpart_p): Use SUBREG_BYTE.
2444 (gen_highpart): Use SUBREG_BYTE.
2445 (subreg_lowpart_p): Always compute endian corrected goal offset,
2446 even at the byte level, then compare against that.
2447 (constant_subword): New function, pulled out all constant cases
2448 from operand_subword and changed second argument name to offset.
2449 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2450 and call constant_subword to do the work. Return const0_rtx if
2451 looking for a word outside of OP.
2452 (operand_subword_force): Change second arg name to offset.
2453 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2454 (store_split_bit_field): Use SUBREG_BYTE.
2455 (extract_bit_field): Use SUBREG_BYTE.
2456 (extract_split_bit_field): Use SUBREG_BYTE.
2457 (expand_shift): Use SUBREG_BYTE.
2458 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2459 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2460 * flow.c (set_noop_p): Use SUBREG_BYTE.
2461 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2462 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2463 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2465 (optimize_bit_field): Use SUBREG_BYTE.
2466 (purge_addressof_1): Use SUBREG_BYTE.
2467 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2468 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2469 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2470 * gengenrtl.c (special_rtx): Add SUBREG.
2471 * global.c (mark_reg_store): Use SUBREG_BYTE.
2472 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2473 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2474 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2475 final byte offset is congruent to subreg's mode size.
2476 (subst_constants): Use SUBREG_BYTE.
2477 (mark_stores): Use subreg_regno_offset function.
2478 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2479 function and SUBREG_BYTE.
2480 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2481 (reg_is_born): Use subreg_hard_regno.
2482 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2483 endian correction code. Don't combine subregs unless resulting
2484 offset aligns with type. Fix subreg constant extraction for DImode.
2485 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2486 (general_operand): Remove dead mode_altering_drug code.
2487 (indirect_operand): Use SUBREG_BYTE.
2488 (constrain_operands): Use subreg_regno_offset function.
2489 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2490 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2491 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2492 * regs.h (REG_SIZE): Allow target to override.
2493 (REGMODE_NATURAL_SIZE): New macro which target can override.
2494 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2495 on the entire subreg rtx.
2496 (push_reload): Use SUBREG_BYTE in comments and code.
2497 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2498 for hard registers inside subregs.
2499 (operands_match_p): Use subreg_regno_offset.
2500 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2501 containing hard regs.
2502 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2503 corrections when fixing up MEM subregs.
2504 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2505 subreg_regno_offset where appropriate.
2506 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2507 byte endian corrections when fixing up MEM subregs.
2508 (subst_reloads): When combining two subregs, make sure final
2509 offset is congruent to subreg's mode size.
2510 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2511 (refers_to_regno_for_reload_p): Use subreg_regno.
2512 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2513 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2514 correction code for memory subreg fixups.
2515 (forget_old_reload_1): Use subreg_regno_offset.
2516 (choose_reload_regs): Use subreg_regno.
2517 (emit_input_reload_insns): Use SUBREG_BYTE.
2518 (reload_combine_note_store): Use subreg_regno_offset.
2519 (move2add_note_store): Use subreg_regno_offset.
2520 * resource.c (update_live_status, mark_referenced_resources): Use
2521 subreg_regno function.
2522 (mark_set_resources): Use subreg_regno function.
2523 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2524 (subreg_regno_offset, subreg_regno): Define prototypes.
2525 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2526 (gen_lowpart_SUBREG): Add prototype.
2527 * rtl.texi (subreg): Update to reflect new byte offset representation.
2528 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2529 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2530 (reg_overlap_mentioned_p): Use subreg_regno.
2531 (replace_regs); Make sure final offset of combined subreg is
2532 congruent to size of subreg's mode.
2533 (subreg_regno_offset): New function.
2534 (subreg_regno): New function.
2535 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2536 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2537 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2538 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2539 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2540 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2541 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2542 (print_operand): Use SUBREG_BYTE.
2543 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2544 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2545 (arm_reload_out_hi): Use SUBREG_BYTE.
2546 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2547 instead of SUBREG_WORD.
2548 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2549 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2550 SUBREG creation to use byte offset.
2551 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2552 inverted load insns): Fix explicit rtl subregs to use byte
2554 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2555 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2556 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2557 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2558 to use byte offsets.
2559 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2560 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2561 offsets, also make sure it is congruent to SUBREG's mode size.
2562 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2563 unnamed ldob insn): Generate SUBREGs with byte offset.
2564 (zero_extendqihi2): SUBREG's are byte offsets.
2565 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2566 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2567 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2568 zero-extendqisi2): Generate SUBREGs with byte offset.
2569 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2570 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2571 subregs in rtl to use byte offsets.
2572 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2573 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2574 (mips_move_2words): Use subreg_regno_offset.
2575 (mips_secondary_reload_class): Use subreg_regno_offset.
2576 * config/mips/mips.md (DImode plus, minus, move, and logical op
2577 splits): Fixup explicit subregs in rtl to use byte offsets.
2578 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2579 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2580 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2581 rtl to use byte offsets.
2582 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2583 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2584 subregs to use byte offsets.
2585 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2586 Fixup explicit subregs in rtl to use byte offsets.
2587 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2588 and remove byte endian correction code.
2589 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2590 (gen_ashift_hi): Use SUBREG_BYTE.
2591 (regs_used): Use subreg_regno_offset.
2592 (machine_dependent_reorg): Use subreg_regno_offset.
2593 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2594 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2595 (movdf_i4): Subregs are byte offsets now.
2596 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2597 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2598 (REGMODE_NATURAL_SIZE): Override.
2599 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2600 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2602 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2603 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2604 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2605 it is congruent to SUBREG's mode size.
2606 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2608 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2609 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2610 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2611 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2612 * config/v850/v850.c (print_operand, output_move_double): Use
2613 subreg_regno function.
2615 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2617 * configure.in (target_subdir): Use target_alias, not target.
2618 * configure: Rebuilt.
2620 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2622 * config/sh/crti.asm: Fix typos in comments.
2624 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2626 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2627 TARGET_FAST_INDIRECT_CALLS.
2628 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2630 (return_addr_rtx): Short circuit export stub matching when
2631 TARGET_NO_SPACE_REGS.
2632 (output_millicode_call): For out of range calls, make -fPIC
2633 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2634 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2635 * pa.md: Modify length attr calculation of all millicode insns to
2638 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2640 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2641 Require at least 2.11 in the version test. Specifically check
2642 for and reject GAS version 2.10.90.
2643 * configure: regenerate.
2645 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2647 * pa.c (override_options): Remove PIC profiling warning.
2648 (hp_profile_labelno): Delete.
2649 (hp_profile_label_rtx): Delete.
2650 (hp_profile_label_name): Delete.
2651 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2652 (output_function_prologue): Remove profiling code and all tests on
2653 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2654 merge_sp_adjust_with_store can work for PIC and profiling.
2655 (hppa_expand_epilogue): Remove profile_flag test.
2656 (hppa_can_use_return_insn_p): Likewise.
2657 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2658 cater for PROFILE_HOOK.
2659 (hppa_profile_hook): New function.
2660 * pa.h (FUNCTION_PROFILER): Now does nothing.
2661 (PROFILE_HOOK): Define.
2662 (hppa_profile_hook): Declare.
2663 (PROFILE_BEFORE_PROLOGUE): Delete.
2664 (ASM_OUTPUT_REG_PUSH): Delete.
2665 (ASM_OUTPUT_REG_POP): Delete.
2666 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2667 r24. Accept function name operand, and use this and a locally
2668 generated label to calculate pc-rel offset to func start.
2670 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2672 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2673 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2676 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2678 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2679 LO_SUM cases to where they belong.
2681 2001-04-02 Richard Henderson <rth@redhat.com>
2683 * except.h (lang_eh_type_covers): Mark extern.
2684 (lang_eh_runtime_type): Likewise.
2686 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2688 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2689 gengenrtl.c: Wrap generated header in multiple-include guard.
2690 Improve error checking.
2692 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2694 * configure.in: Don't check for putenv.
2695 * configure: Regenerate.
2696 * gcc.c (putenv): Don't define.
2697 * vax/xm-vms.h: Handle putenv.
2699 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2701 * ifcvt.c (noce_emit_move_insn): New.
2702 (noce_try_store_flag, noce_try_store_flag_constants,
2703 noce_try_store_flag_inc, noce_try_store_flag_mask,
2704 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2705 noce_try_abs): Use it.
2706 (noce_process_if_block): Likewise.
2707 For STRICT_LOW_PART, take mode from its SUBREG.
2709 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2711 * fold-const.c (fold): Before optimizing unsigned comparison with
2712 0x7fffffffU, make sure arg0 is integral type.
2714 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2716 * c-tree.texi: Document representation of wide strings.
2718 2001-04-01 Richard Henderson <rth@redhat.com>
2720 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2722 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2724 * i386.md: remove obsoleted comments.
2725 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2726 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2727 fix output template.
2729 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2731 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2733 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2735 * loop.c (load_mems): When generating a load from a pseudo, update
2738 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2740 * i386.c (ix86_split_long_move): Use change address to compensate
2741 stack pointer change in push instruction.
2743 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2745 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2746 instead of rtx_equal_p; fix the output template.
2748 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2750 * i386.c (ix86_expand_setcc): Support 64bit.
2751 (ix86_expand_int_movcc): Likewise.
2752 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2755 * i386.md (allocate_stack_worker): Turn to expander.
2756 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2758 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2760 2001-03-29 Richard Henderson <rth@redhat.com>
2762 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2764 2001-03-28 Matthew Hiller <hiller@redhat.com>
2766 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2769 * MAINTAINERS: Added self.
2771 2001-03-28 Richard Henderson <rth@redhat.com>
2773 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2774 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2776 2001-03-28 Jim Wilson <wilson@redhat.com>
2778 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2781 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2783 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2785 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2788 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2790 2001-03-28 DJ Delorie <dj@redhat.com>
2792 * Makefile.in (stage1_build): Revert CFLAGS patch.
2794 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2796 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2797 when multiplier or multiplicand is zero.
2799 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2801 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2803 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2805 (set_src_needs_barrier): Likewise.
2806 (rtx_needs_barrier): For SET case, use these two functions. Rework
2807 PARALLEL case to handle all inputs before all outputs.
2808 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2809 saw a label and no stop bit since then.
2810 (maybe_rotate, process_epilogue): Add prototypes.
2812 2001-03-28 Richard Henderson <rth@redhat.com>
2814 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2815 not TARGET_TOC for special toc restore handling.
2816 * config/rs6000/rs6000.md (eh_return): Likewise.
2818 2001-03-28 Richard Henderson <rth@redhat.com>
2820 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2821 current_function_calls_eh_return.
2822 (output_function_epilogue): Handle eh_return.
2823 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2824 (EH_RETURN_DATA_REGNO): New.
2825 (EH_RETURN_STACKADJ_RTX): New.
2826 (EH_RETURN_HANDLER_RTX): New.
2827 * config/sparc/sparc.md (call/short branch peepholes): Check
2828 can_throw_internal instead of in_same_eh_region.
2830 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2831 for eh_return data registers.
2832 (rs6000_emit_prologue): Save eh_return data registers.
2833 (rs6000_emit_epilogue): Force inline restores if eh_return.
2834 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2835 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2836 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2837 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2838 the target uses one.
2839 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2840 (return_eh_si, return_eh_di): Remove.
2841 (eh_return): New, from corpse of eh_epilogue.
2842 (eh_set_lr_si, eh_set_lr_di): New.
2844 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2845 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2846 True for pic register if current_function_calls_eh_return.
2847 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2848 Handle eh_return requirements.
2849 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2850 (EH_RETURN_STACKADJ_RTX): New.
2851 * config/i386/i386.md (exception_receiver): Remove.
2852 (eh_return, eh_return_1): New.
2853 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2855 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2856 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2857 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2858 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2859 (EH_RETURN_DATA_REGNO): New.
2860 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2861 * config/alpha/alpha.md (eh_epilogue): Remove.
2862 (exception_receiver): Use $26 for ldgp input.
2863 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2865 2001-03-28 Richard Henderson <rth@redhat.com>
2867 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2868 * except.h: Likewise.
2870 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2871 (LIB2ADDEHDEP): New.
2872 (LIB2FUNCS_EH): Remove.
2873 (LIB2ADD): Remove LIB2ADDEH.
2874 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2875 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2876 (crt{begin,end}[S].o): Likewise.
2877 (except.o): Update includes.
2878 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2879 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2881 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2882 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2883 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2884 * builtins.c (expand_builtin): Implement it.
2885 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2886 * c-common.c (c_common_nodes_and_builtins): Declare it.
2887 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2888 * calls.c (libfunc_nothrow): Remove.
2889 (emit_library_call_value_1): Don't call it.
2890 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2891 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2892 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2893 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2894 (current_funcdef_number): Globalize.
2895 (output_call_frame_info): Emit frame data if an lsda is needed.
2896 Generate augmentation for personality routine. Don't play with
2898 (dwarf2out_begin_prologue): Record funcdef_number.
2899 * dwarf2out.h (current_funcdef_number): Declare.
2900 * expr.c (expand_expr): Update for except.h name changes.
2901 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2902 * expr.h (LTI_throw, LTI_rethrow): Remove.
2903 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2904 (LTI_eh_rtime_match): Remove.
2905 (LTI_unwind_resume, LTI_eh_personality): Add.
2906 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2907 * final.c (final): Don't call check_exception_handler_labels,
2908 init_insn_eh_region, or free_insn_eh_region.
2909 (final_scan_insn): Always emit debug labels for
2910 NOTE_INSN_EH_REGION notes.
2911 * flags.h (flag_new_exceptions): Remove.
2912 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2913 (record_active_eh_regions): Remove.
2914 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2915 Use can_throw_internal.
2916 (find_basic_blocks_1): Likewise.
2917 (move_stray_eh_region_notes): Remove.
2918 (find_label_refs): No eh_return_stub_label.
2919 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2920 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2922 (delete_unreachable_blocks): Don't track deleted handlers.
2923 (flow_delete_block): Use maybe_remove_eh_handler.
2924 (delete_eh_regions): Remove.
2925 (merge_blocks): Don't check for eh region match.
2926 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2927 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2928 (init_propagate_block_info): Disable dead frame store optimization
2929 when current_function_calls_eh_return.
2930 (dump_bb): Don't print eh_beg, eh_end.
2931 * function.c (fixup_var_refs): No catch_clauses.
2932 (expand_function_end): Likewise. Call expand_eh_return before
2933 the return register use. Call sjlj_emit_function_exit_after.
2934 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2935 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2936 * ifcvt.c (dead_or_predicable): Remove eh region check.
2937 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2938 Don't check for EH vs parameters.
2939 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2940 (expand_inline_function): Call duplicate_eh_regions.
2941 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2942 (copy_insn_notes): Remap REG_EH_REGION notes.
2943 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2944 * integrate.h (struct inline_remap): Add local_return_label.
2945 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2946 check_exception_handler_labels, nor exception_optimize.
2947 (find_cross_jump): No EH region check.
2948 * optabs.c (init_optabs): Update for changed eh libfuncs.
2949 * rtl.def (RESX): New.
2950 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2951 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2952 checks. Update for except.h name changes.
2953 (expand_cleanups): Likewise.
2954 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2955 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2956 (compile_file): Call init_eh before init_optabs. Don't
2957 output_exception_table here.
2958 (rest_of_compilation): Call convert_from_eh_region_ranges,
2959 convert_to_eh_region_ranges, output_function_exception_table.
2960 Don't emit_eh_context.
2961 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2962 (EXC_PTR_EXPR): New.
2964 * md.texi (eh_epilogue): Remove.
2965 (eh_return): Document.
2966 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2967 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2969 * eh-common.h: Remove file.
2970 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2971 * libgcc2.c (L_eh): Remove.
2973 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2974 * unwind-dw2-fde.h: New file.
2975 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2976 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2977 * libgcc-std.ver: Update for eh symbols.
2979 2001-03-27 Richard Henderson <rth@redhat.com>
2981 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2982 reduce false positives.
2983 (regmove_optimize): Disable if flag_non_call_exceptions.
2985 * stmt.c (expand_return): Remove always true predicate.
2986 (expand_decl_cleanup_no_eh): Remove dead code.
2988 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2989 barrier code. Add a scheduling barrier if a non-call insn
2990 can throw internally.
2992 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2993 Auto-inc addresses trap only if their base register does.
2995 * except.c (can_throw_internal): Rename from can_throw.
2996 * except.h, resource.c: Update references.
2998 * integrate.c (copy_insn_list): Use returnjump_p.
2999 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3001 * function.h (struct function): Move all boolean valued fields
3002 to single bit fields at the end of the struct.
3004 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3006 Rename asynchronous_exceptions to flag_non_call_exceptions.
3008 * gthr-single.h (UNUSED): New. Distinguish between how C
3009 and C++ mark unused function arguments. Use throughout.
3011 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3012 value to target configuration header.
3013 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3014 * config.in, configure: Rebuild.
3015 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3016 configuration and target defines.
3017 (exceptions_via_longjmp): Remove.
3018 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3019 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3021 * except.h (flag_non_call_exceptions): Move ...
3022 * flags.h: ... here.
3024 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3025 exceptions, put the note on the trapping instruction.
3027 * flags.h (flag_new_exceptions): Remove.
3028 * toplev.c: Don't set it.
3029 * final.c: Don't check it.
3030 * except.c: Provide stub definition.
3032 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3033 (calculate_global_regs_live): Kill call-clobbered registers
3034 across exception edges.
3035 * reg-stack.c (convert_regs_1): Kill the entire target stack
3036 across non-call exception edges.
3038 * flow.c (cleanup_cfg): Take no argument.
3039 * output.h, sibcall.c, toplev.c: Update all calls.
3041 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3043 * configure.in: Don't check for bcopy.
3044 * configure, config.in: Regenerate.
3046 * system.h: Don't define or prototype bcopy, instead poison it.
3048 2001-03-27 Richard Henderson <rth@redhat.com>
3050 * function.c (expand_function_start): Set DECL_REGISTER on
3051 a pseudo used for DECL_RESULT.
3053 * rtl.h (LCT_NORETURN): New.
3054 * calls.c (emit_library_call_value_1): Handle it.
3056 2001-03-27 Stan Shebs <shebs@apple.com>
3058 * objc/objc-act.c (objc_init): Use dump_base_name.
3059 (gen_declaration): Clear the buffer arg.
3060 (gen_declaration_1): New function, body of gen_declaration.
3061 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3062 (gen_method_decl): Ditto, plus always clear buffer arg.
3063 (error_with_ivar): Simplify.
3064 (warn_with_method): Ditto.
3065 (build_message_expr): Don't clear buffers.
3066 (dump_interface): Ditto.
3067 (objc_debug): Ditto.
3068 (build_keyword_selector): Clear the buffer by only zeroing
3070 (objc_implementation_context): Declare.
3071 (start_class): Warn about missing @end.
3072 (finish_objc): Ditto.
3074 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3076 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3078 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3080 * Makefile.in (SYSTEM_H): Define.
3081 Depend on $(SYSTEM_H), not system.h.
3083 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3085 2001-03-27 Jim Wilson <wilson@redhat.com>
3087 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3089 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3090 (process_epilogue): New static function.
3091 (process_set): Call process_epilogue instead of emitting .restore
3093 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3095 * flow.c (struct reg_cond_life_info): New fields orig_condition
3097 (init_propagate_block_info): Set new fields.
3098 (mark_regno_cond_dead): Set and use new fields.
3099 (flush_reg_cond_reg_1): Likewise.
3100 (and_reg_cond, case AND): Check for redundant AND conditions.
3101 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3104 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3106 * cppmacro.c (stringify_arg): Null terminate strings.
3108 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3110 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3111 inclusion style. xm-m68hc11.h no longer exists.
3112 * config/m68hc11/xm-m68hc11.h: Delete file.
3113 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3115 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3116 Don't define GCC_VERSION, N_, or PARAMS; don't include
3117 gansidecl.h or stdio.h. Define inhibit_libc here.
3118 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3119 Delete code conditioned on #if GCC_VERSION == 2095.
3121 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3122 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3123 Delete code conditioned on #if GCC_VERSION == 2095.
3125 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3127 * system.h: Include symcat.h.
3128 (STRINGIFY): Don't define.
3130 * configure.in: Adjust comment.
3132 * builtins.c: Use STRINGX, not STRINGIFY.
3133 * gencheck.c: Likewise.
3134 * gengenrtl.c: Likewise.
3135 * protoize.c: Likewise.
3137 * cpplex.c: Don't include symcat.h.
3138 * cpplib.c: Likewise.
3140 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3142 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3144 * c-typeck.c (digest_init): Fold init expression.
3146 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3148 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3150 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3152 * except.c (eh_regs): Save results of build_pointer_type to a temp
3153 as FUNCTION_VALUE macro may evaluate its args multiple times.
3155 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3157 * c-common.h (DECL_NUM_STMTS): New macro.
3158 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3160 (pushdecl): Likewise.
3161 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3162 * integrate.c (expand_inline_function): Don't check
3164 * print-tree.c (print_node): Don't print it.
3165 * toplev.c (rest_of_compilation): Don't try to inline when
3166 flag_no_inline is on.
3167 * tree.h (DECL_FRAME_SIZE): Remove.
3168 (tree_decl): Adjust accordingly.
3170 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * combine.c (try_combine): Use memcpy, not bcopy.
3174 * genattrtab.c (expand_units): Likewise.
3176 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3178 * i386.md (push mem DI peep2): New.
3179 (mov 0, mov -1 peep2): Handle 64bit.
3180 (lea to arithmetics peep2): Handle 64bit leas.
3181 (rsp arithmetics to push/pop peep2s): New.
3183 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3185 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3187 * i386.c (struct machine_function): Add save_varrargs_registers.
3188 (ix86_save_varrargs_registers): New macro.
3189 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3190 (ix86_expand_prologue): Likewise.
3191 (ix86_emit_epilogue_esp_adjustement): Likewise.
3192 (ix86_expand_epilogue): Likewise.
3193 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3194 (pro_epilogue_adjust_stack_1): New insn.
3195 (pro_epilogue_adjust_stack_rex64): Likewise.
3196 * i386.h (MASK_NO_RED_ZONE): New constant.
3197 (TARGET_RED_ZONE): New macro.
3198 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3199 (RED_ZONE_SIZE): New constant.
3200 (RED_ZONE_RESERVE): New constant.
3202 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3204 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3206 2001-03-25 Kazu Hirata <kazu@hxi.com>
3208 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3211 (umodhi3): Likewise.
3214 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3216 * mkconfig.sh (DEFINES): Handle entries with '='.
3218 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3219 Set xm_defines to MACRO=value instead.
3221 * i370/xm-mvs.h: Delete.
3223 * ns32k/xm-pc532-min.h: Likewise.
3225 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3227 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3229 use ix86_expand_binary_operator
3230 (?sh??i_?): Disable for 64bit.
3231 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3232 * i386.c (shiftdi_operand): New predicate.
3234 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3235 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3236 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3237 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3238 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3239 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3240 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3241 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3242 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3243 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3244 (rotldi3, rotrdi3): New expanders.
3246 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3248 * i386.md (movstrsi): Move offline.
3250 (strmovdi_rex64): New.
3251 (strmov?i): Accept 64bit.
3252 (strmov?i_rex64): New.
3253 (strmov?i_rex_1): New.
3254 (strmov?i_1): Disable for 64bit.
3255 (rep_mov?i_rex64): New.
3256 (rep_mov?i): Disable for 64bit.
3257 (clrstrsi): Move offline.
3258 (strset?i_rex64): New.
3259 (strset?i: Accept 64bit.
3260 (rep_stos?i): Disable for 64bit.
3261 (rep_stos?i_rex64): New.
3262 (strset?i_rex_1): New.
3263 (strset?i_1): Disable for 64bit.
3264 (cmpstrsi): Accept 64bit.
3265 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3266 (cmpstrqi_nz_rex_1): New.
3267 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3268 (strlensi): Move offline.
3270 (strlenqi_1): Disable for 64bit; fix constraints.
3271 (strlenqi_rex_1): New.
3272 * i386.c (ix86_adjust_counter): New static function.
3273 (ix86_zero_extend_to_Pmode): Likewise.
3274 (ix86_expand_aligntest): Likweise.
3275 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3276 (ix86_expand_movstr): New global function.
3277 (ix86_expand_clrstr): New global function.
3278 (ix86_expand_strlen): New global function.
3279 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3280 ix86_expand_strlen): Declare.
3281 (ix86_expand_strlensi_unroll_1): Delete.
3283 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3285 * i386.md (cmpdi): Fix operand predicates.
3286 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3287 cmpdi_1_insn_rex64): New patterns.
3288 (adddi3): Turn to expander.
3289 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3290 (addsi3_carry_zext): New pattern.
3291 (adddi_?_rex64): New patterns and splitters.
3292 (addsi_?_zext): New patterns.
3293 (subsi3_carry_zext): New pattern.
3294 (subdi_?_rex64): New patterns and splitters.
3295 (iorsi_?_zext): New patterns.
3296 (iordi_?_rex64): New patterns and splitters.
3297 (iorsi_?_zext): New patterns.
3298 (iorsi_?_zext_imm): New patterns.
3299 (xorsi_?_zext): New patterns.
3300 (xordi_?_rex64): New patterns and splitters.
3301 (xorsi_?_zext): New patterns.
3302 (negdi*): New patterns.
3303 (one_cmpldi*): Likewise.
3304 (one_cmplsi*_zext, negsi*_zext): Likewise.
3305 (testqi_ext_3_rex64): New pattern.
3307 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3309 * i386-protos.h (ix86_split_long_move): Return void.
3310 * i386.c (ix86_split_to_parts): Handle 64bit target.
3311 (ix86_split_long_move): Likewise.
3312 * i386.md (all calls to ix86_split_long_move): Update.
3314 2001-03-23 Richard Henderson <rth@redhat.com>
3316 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3317 to avoid shadowing arguments.
3319 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3321 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3322 to variable names where DECL_NAME is different from
3323 DECL_ASSEMBLER_NAME.
3325 2001-03-23 Jim Wilson <wilson@redhat.com>
3327 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3328 (assemble_alias): Call make_decl_rtl.
3330 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3332 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3334 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3336 * extend.texi: Document the "java_interface" attribute.
3338 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3340 * mkconfig.sh: Use a subshell with redirected stdout,
3341 instead of closing stdout and confusing commands that run
3342 afterward. Throw away output of cmp.
3344 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3346 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3348 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3350 * i386.md (zero_extendsidi2_32): Break out from ...
3351 (zero_extendsidi2): ... here ; turn to expander.
3352 (zero_extendsidi2_rex64): New.
3353 (extendsidi2_32): Break out from ...
3354 (extendsidi2): ... here ; turn to expander.
3355 (extendsidi2_rex64): New.
3356 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3357 (trunc?f?f splitters): Add 64bit versions.
3359 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3361 * i386.md (pushsi, pushsi2_prologue): Disable.
3362 (pushsi2_rex64): New.
3363 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3364 (movqi_ext_1): Disable for 64bit.
3365 (movqi_ext_1_rex64): New.
3366 (pushdi2_rex64): New pattern, peep2s and splitter.
3367 (pushdi2_prologue_rex64): New pattern.
3368 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3370 (movdi splitters): Disable for 64bit.
3371 (movdi_1_rex64): New pattern, peep2s and splitters.
3372 (swapdi): New pattern.
3373 (pushsf): Disable for 64bit.
3374 (pushsf_rex64): New pattern and splitter.
3375 (pushdf_nointeger): Disable for 64bit.
3376 (pushdf_integer): Handle the 64bit case.
3377 (pushtf): Likewise; update splitters.
3379 2001-03-22 Richard Henderson <rth@redhat.com>
3381 * mkconfig.sh: Include insn-flags.h.
3382 * Makefile.in (CONFIG_H): Include insn-flags.h.
3383 (lots of objects): Remove insn-codes.h and insn-flags.h.
3385 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3386 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3387 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3388 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3389 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3390 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3391 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3392 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3393 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3394 v850/v850.c, vax/vax.c:
3395 Don't include insn-flags.h.
3397 * diagnostic.c, expr.h, reload.c, toplev.c:
3398 Don't include insn-codes.h.
3400 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3401 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3402 c4x/c4x.c, i960/i960.c, mips/mips.c:
3403 Don't include insn-codes.h or insn-flags.h.
3405 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3406 or insn-flags.h in the generated code.
3407 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3408 (main): Forward declare struct rtx_def.
3410 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3412 * invoke.texi (-ffast-math): Remove duplicate line about
3415 * gcc.texi: Remove more obsolete documentation of bugs and
3416 installation problems.
3418 2001-03-21 Kazu Hirata <kazu@hxi.com>
3420 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3423 2001-03-20 Jason Merrill <jason@redhat.com>
3425 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3427 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3428 * varasm.c (CHKR_PREFIX): Likewise.
3430 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3432 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3433 is part of a multi-SET insn.
3435 * cse.c (find_comparison_args): Remove previous change.
3436 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3439 * config/i386/i386.md (conditional_trap): Remove warning.
3441 * recog.c (push_operand): Fix error in last change that caused
3442 undefined symbol on many targets.
3444 * sdbout.c: #include ggc.h.
3445 (sdbout_init): Move to end of file.
3446 Call ggc_add_tree_root for anonymous_types.
3447 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3448 (sdbout_one_type): Use DECL_NAME for field name.
3449 * Makefile.in (sdbout.o): Show includes ggc.h.
3451 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3453 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3454 (override_options): Use properlimits for preferred_stack_boundary.
3455 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3457 (ext_register_operand): Accept DImode.
3458 (load_pic_register): Abort on 64bit.
3459 (gen_push): Use Pmode instead of SImode.
3460 (ix86_save_reg): Pic reg is never used on 64bit.
3461 (ix86_expand_prologue): Likewise.
3462 (ix86_emit_save_regs): Use Pmode instead of SImode.
3463 (legitimate_address_p): Check displacement for 64bit.
3464 (print_operand): Avoid outputting of (%rip) on 64bit.
3465 (print_operand_address): Output (%rip) where possible.
3466 (split_di): Abort on 64bit registers.
3467 (ix86_expand_branch): DImode comparison is simple for x86_64.
3468 (memory_address_length): Recognize memory addresses formed using
3470 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3472 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3474 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3476 * recog.c (push_operand): Recognize new format of push instructions.
3478 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3480 * i386.md (pushqi1): New.
3481 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3482 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3483 x86_64_immediate_operand, x86_64_immediate_operand,
3484 x86_64_zext_immediate_operand): Declare.
3485 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3486 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3487 x86_64_immediate_operand, x86_64_immediate_operand,
3488 x86_64_zext_immediate_operand): define.
3489 * i386.h (PREDICATE_CODES): Add new predicates.
3491 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3493 * i386.md (pophi1, popqi1, pushqi1): Remove.
3495 * expr.c (emit_single_push_insn): New function.
3496 (move_by_pieces): Accept NULL as destination for push instructions.
3497 (gen_push_operand): Kill.
3498 (emit_push_insn): Pass NULL when pushing; avoid updating of
3499 stack_pointer_delta.
3500 * expr.h (gen_push_operand): Kill.
3502 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3504 * rtl.texi (COMPARE): Clarify documentation and reference section
3507 2001-03-20 Stan Shebs <shebs@apple.com>
3509 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3510 (get_object_reference): Ditto.
3511 (error_with_ivar): Use error_with_file_and_line.
3512 (warn_with_method): Use warning_with_file_and_line.
3514 2001-03-20 Tom Tromey <tromey@redhat.com>
3516 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3518 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3520 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3521 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3523 2001-03-20 DJ Delorie <dj@redhat.com>
3525 * Makefile.in (install-libgcc): Pass complete list of variables.
3526 (install-multilib): Ditto.
3528 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3530 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3531 drectve_section, switch_to_section.
3533 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3534 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3535 i386_pe_mark_dllimport.
3537 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3539 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3540 functions i386_pe_*.
3542 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3543 i386_pe_* functions with char * arguments.
3545 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3547 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3549 (movsi_ie): Introduce fpul store.
3551 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3553 * Makefile.in (OBJS): Remove hashtab.o.
3555 2001-03-19 Stan Shebs <shebs@apple.com>
3557 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3558 * c-lang.c (maybe_objc_method_name): Ditto.
3559 * c-tree.h (maybe_objc_method_name): Remove decl.
3561 2001-03-19 Tom Tromey <tromey@redhat.com>
3563 * gcc.c (init_gcc_specs): Fix comment.
3565 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3567 Compute DECL_ASSEMBLER_NAME lazily.
3568 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3569 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3570 (SET_DECL_ASSEMBLER_NAME): Likewise.
3571 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3572 (set_decl_assembler_name): Declare.
3573 (lang_set_decl_assembler_name): Likewise.
3574 * tree.c (lang_set_decl_assembler_name): New variab.e
3575 (set_decl_assembler_name): New function.
3576 (init_obstacks): Set lang_set_decl_assembler_name.
3577 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3578 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3579 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3580 where it's not necessary.
3581 (builtin_function): Likewise.
3582 (finish_decl): Likewise.
3583 * dbxout.c (dbxout_type_methods): Likewise.
3584 * ggc-common.c (ggc_mark_trees): Likewise.
3585 * profile.c (output_func_start_profiler): Likewise.
3586 * varasm.c (make_decl_rtl): Likewise.
3588 * cse.c (find_comparison_args): Update documentation. Fix
3589 mishandling of COMPARE operations.
3591 * tree.def (ABS_EXPR): Add documentation.
3592 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3594 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3596 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3598 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3600 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3601 Remove ia32 linux PIC kludge and move it...
3602 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3604 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3606 * i386.md (absdf2 expander): Fix 64bit case.
3608 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3610 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3612 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3614 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3616 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3618 * README.X11: Remove obsolete file.
3620 2001-03-18 Anthony Green <green@redhat.com>
3622 * config/pj/pj.h: Remove some trailing commas.
3623 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3625 2001-03-18 Richard Henderson <rth@redhat.com>
3627 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3628 * calls.c: ... here.
3629 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3630 defaults for them here.
3632 2001-03-17 Anthony Green <green@redhat.com>
3634 * config/pj/lib1funcs.S: Fix broken comment.
3635 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3638 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3640 * gcc.texi: Remove obsolete information relating to build and
3641 installation problems with enquire or the Pyramid C compiler.
3643 2001-03-17 Richard Henderson <rth@redhat.com>
3645 * dwarf2out.c (queue_reg_save): New.
3646 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3647 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3649 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3650 (cfa, cfa_store, cfa_temp): Make static.
3651 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3653 2001-03-17 Richard Henderson <rth@redhat.com>
3655 * integrate.h (struct inline_remap): Add local_return_label.
3656 * integrate.c (expand_inline_function): Initialize it and emit
3657 it after copy_insn_notes.
3658 (copy_insn_list): Don't store local_return_label here.
3659 (copy_insn_notes): New function split out from copy_insn_list.
3661 2001-03-17 Richard Henderson <rth@redhat.com>
3663 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3664 is generating .debug_line.
3665 (dwarf2out_init): Add main_input_filename to the file table first.
3666 * configure.in (as_dwarf2_debug_line): Test with file number 1
3667 instead of file number 0.
3669 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3671 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3672 (gen_rtx_combine): Deleted; all references changed as appropriate.
3673 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3675 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3677 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3679 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3682 2001-03-16 Jim Wilson <wilson@redhat.com>
3684 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3685 then set it to LOC_REG (79) instead of aborting.
3687 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3689 * gccbug.in: Remove high priority.
3691 2001-03-16 Richard Henerson <rth@redhat.com>
3693 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3694 output with a space instead of deleting it.
3695 * configure: Regenerate.
3697 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3699 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3700 handles the gory details of converting an object file into
3701 something that's safe to grep.
3702 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3703 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3704 newlines at either end of the string we're looking for.
3705 Make 'checking ...' message less stilted.
3706 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3707 ARM in-memory layout and its hypothetical converse. Don't
3708 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3709 HOST_WORDS_BIG_ENDIAN.
3711 * configure.in: Adjust for renamed macro. Move
3712 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3713 * configure, config.in: Regenerate.
3715 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3717 * fixinc/Makefile.in: Set SHELL.
3719 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3721 * fixinc/fixincl.c (fix_with_system): Quote file names before
3722 passing them to shell.
3724 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3726 * Makefile.in: Use fix-header$(build_exeext) instead
3729 2001-03-16 Richard Henderson <rth@redhat.com>
3731 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3732 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3733 (size_of_line_prolog): Remove.
3734 (output_line_info): Compute prologue size via label difference.
3735 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3737 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3738 assembler error when redefining file numbers.
3739 * config.in, configure: Rebuild.
3741 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3742 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3743 (dw2_asm_output_delta_uleb128): Likewise.
3744 (dw2_asm_output_delta_sleb128): Similarly.
3745 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3747 2001-03-16 Michael Meissner <meissner@redhat.com>
3749 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3751 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3753 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3755 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3756 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3757 being unsigned in ISO C and signed in traditional.
3758 (expand_prologue): Ditto.
3759 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3761 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3763 (divsi3,divdi3): Ditto.
3764 (modsi3,moddi3): Ditto.
3765 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3766 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3767 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3770 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3772 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3773 SSE based conditional moves on LTGT/UNEQ conditions;
3774 Canonicalize EQ to NE.
3775 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3776 (sse_mov?fcc_ne): New.
3778 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3780 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3782 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3783 register may be dead.
3785 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3787 * Makefile.in (hash.o): Depend on CONFIG_H.
3789 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3791 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3793 2001-03-15 Richard Henderson <rth@redhat.com>
3795 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3796 (ASM_OUTPUT_DWARF_PCREL): New.
3797 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3799 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3801 * cppfiles.c (stack_include_file): Use MAX of sysp.
3803 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3805 * config.gcc (ia64*-*-hpux*): New case.
3806 * config/ia64/hpux.h: New file for HP-UX support.
3807 * config/ia64/t-hpux: New file for HP-UX support.
3809 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3811 * fixinc/inclhack.def (irix_stdio_va_list): New.
3812 * fixinc/fixincl.x: Rebuilt.
3814 2001-03-15 Richard Henderson <rth@redhat.com>
3816 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3817 if provided by the target.
3818 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3819 (dw2_asm_output_addr): New.
3820 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3821 * dwarf2out.c (output_cfi): Use it for program addresses.
3822 (output_call_frame_info, output_die): Likewise.
3823 (output_aranges, output_line_info): Likewise.
3825 2001-03-15 Bruce Korb <bkorb@gnu.org>
3827 * gcc.c(main): make more rigorous
3828 * collect2.c(main): guard against ignoring SIGCHLD
3829 * protoize.c(main): ditto
3830 * gcc/fixinc/fixincl.c(initialize): ditto
3832 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3834 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3835 (sdbout_parms): Likewise.
3837 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3839 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3840 "widen" a destination that is already wider than a word. Also do
3841 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3843 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3845 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3847 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3849 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3851 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3853 * i960.h (i960_maxbitalignment,
3854 i960_last_maxbitalignment): Declare.
3855 * i960.c (i960_maxbitalignment,
3856 i960_last_maxbitalignment): Make global.
3857 (process_pragma): Delete.
3858 (i960_pr_align, i960_pr_noalign): Move from here ...
3859 * i960-c.c: ... to this new file.
3860 * t-960bare (i960-c.o): New rule.
3861 * t-vxworks960 (i960-c.o): Likewise.
3862 * config.gcc (i960-*-*): Define c_target_objs and
3865 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3867 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3868 without adding in rtx code and mode.
3870 * alias.c (init_alias_analysis): Don't use any rtx whose value
3871 varies as a known value.
3872 Delete a superfluous test.
3874 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3876 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3877 scheduling a stop bit.
3878 (ia64_emit_nops): Correctly handle ASMs.
3880 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3882 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3884 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3886 * cpp.texi: Update documentation for -include and -imacros.
3887 * cppfiles.c (struct include_file): Remove "defined" memeber.
3888 (find_or_create_entry): Make a copy of the file name, and
3890 (open_file): Update to ensure we use the simplified filename.
3891 (stack_include_file): Don't set search_from.
3892 (cpp_included): Don't simplify the path name here.
3893 (find_include_file): New prototype. Call search_from to
3894 get the start of the "" include chain. Don't simplify the
3896 (_cpp_execute_include): New prototype. Move diagnostics to
3897 do_include_common. Update.
3898 (_cpp_pop_file_buffer): Don't set defined.
3899 (search_from): New prototype. Use the preprocessor's cwd
3900 for files included from the command line.
3901 (read_name_map): Don't simplify the pathname here.
3902 * cpphash.h (enum include_type): New.
3903 (struct buffer): Delete search from. New search_cached.
3904 (_cpp_execute_include): Update prototype.
3905 * cppinit.c (do_includes): Use _cpp_execute_include.
3906 * cpplib.c (do_include_common): New function.
3907 (do_include, do_include_next, do_import): Use it.
3909 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3911 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3912 contents of the RTL, to determine the name of the object.
3914 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3916 * tree.h (DECL_RTL): Allocate RTL lazily.
3917 (SET_DECL_RTL): New macro.
3918 (DECL_RTL_SET_P): Likewise.
3919 (COPY_DECL_RTL): Likewise.
3920 (DECL_RTL_IF_SET): Likewise.
3921 * varasm.c (make_decl_rtl): Add assertions about the kind of
3922 declaration we are processing.
3923 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3924 (start_decl): Likewise.
3925 (finish_decl): Likewise.
3926 * c-semantics.c (emit_local_var): Likewise.
3927 * calls.c (expand_call): Likewise.
3928 * dbxout.c (dbxout_symbol): Likewise.
3929 * emit-rtl.c (unshare_all_rtl): Likewise.
3930 (unshare_all_decls): Likewise.
3931 (reset_used_decls): Likewise.
3932 * expr.c (store_constructor): Likewise.
3933 (safe_from_p): Likewise.
3934 (expand_expr): Likewise.
3935 * function.c (put_var_into_stack): Likewise.
3936 (instantiate_decls_1): Likewise.
3937 (assign_parms): Likewise.
3938 (expand_function_start): Likewise.
3939 (expand_function_end): Likewise.
3940 * ggc-common.c (gcc_mark_trees): Likewise.
3941 * integrate.c (function_cannot_inline_p): Likewise.
3942 (copy_decl_for_inlining): Likewise.
3943 (expand_inline_function): Likewise.
3944 (integrate_parm_decls): Likewise.
3945 (integrate_decl_tree): Likewise.
3946 * print-tree.c (print_node): Likewise.
3947 * reg-stack.c (stack_result): Likewise.
3948 * stmt.c (label_rtx): Likewise.
3949 (expand_return): Likewise.
3950 (expand_decl): Likewise.
3951 (expand_decl_cleanup): Likewise.
3952 (expand_anon_union_decl): Likewise.
3953 * toplev.c (check_global_declarations): Likewise.
3954 (rest_of_decl_compilation): Likewise.
3955 * tree.c (simple_cst_equal): Likewise.
3956 * objc/objc-act.c (generate_static_references): Likewise.
3958 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3960 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3961 gcc_AC_C_FLOAT_FORMAT): New macros.
3962 * configure.in: Add AC_PROG_CPP after CC tests;
3963 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3964 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3965 * configure, config.in: Regenerate.
3967 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3968 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3969 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3970 config/i370/xm-linux.h, config/i370/xm-oe.h,
3971 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3972 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3973 config/pa/xm-linux.h, config/pa/xm-pa.h,
3974 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3975 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3976 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3977 config/we32k/xm-we32k.h: Delete.
3979 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3980 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3981 config/vax/xm-vms.h: Don't define any of:
3982 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3984 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3986 * config.gcc: Remove references to deleted files.
3987 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3988 FATAL_EXIT_CODE, which is the same between oe and mvs).
3990 2001-03-14 DJ Delorie <dj@redhat.com>
3991 Vladimir Makarov <vmakarov@redhat.com>
3993 * config/i960/i960.c (i960_function_prologue): Compute size of
3994 frame according to number of registers actually saved there.
3996 2001-03-14 Richard Henderson <rth@redhat.com>
3998 * expr.c (emit_move_insn_1): Fix else if around #endif.
4000 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4003 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4006 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4008 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4009 (override_options): Parse cmodel string.
4010 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4011 * i386.h (TARGET_OPTIONS): Add "cmodel".
4012 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4014 (ix86_cmodel_string, ix86_cmodel): Declare.
4016 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4019 * i386.h (GENERAL_REG_P): Add missing REG_P.
4021 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4023 * configure.in: Use $gcc_cv_as instead of $as.
4024 * configure: Regenerated.
4026 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4028 * cppfiles.c (stack_include_file): Only increase the include
4029 count if we actually process the file properly, as opposed
4030 to treating it as length zero. Only call read_include_file
4031 if not DO_NOT_REREAD. Handle the -H include file output
4033 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4034 (cpp_included, find_include_file): Simplify pathnames after
4035 remapping them. If remapping, don't use the remapped file
4036 name's buffer as our scratch buffer.
4037 (cpp_pop_file_buffer): Replace the multiple include macro
4038 only if it isn't yet set.
4039 (read_name_map): Simplify remapped names when reading in.
4040 (remap_filename): Move code to code path that uses it.
4041 (_cpp_simplify_pathname): Return the input pointer.
4042 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4044 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4046 * expr.c (expand_expr): Revove bogus conditional.
4048 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4050 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4052 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4054 * reg-stack.c (stack_result): Unconditionally use
4055 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4057 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4059 * expr.c (emit_move_insn_1): Split push of complex value when
4060 no suitable push instruction exist.
4062 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4063 instead of QI_REG_P.
4065 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4067 * alias.c (handled_component_p, can_address_p): New functions.
4068 (get_alias_set): Use them.
4070 2001-03-13 Jim Wilson <wilson@redhat.com>
4072 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4073 from 80 in try_locals code.
4074 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4076 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4078 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4079 gcc_AC_C_LONG_LONG): New.
4080 * configure.in: Use them. Probe the size of short, int, long,
4081 and long long/__int64 if we have them. Move all the AC_C_*
4082 checks together, except gcc_AC_C_CHAR_BIT which has to go
4083 after AC_CHECK_HEADERS(limits.h).
4084 Take hwint.h out of host_xm_file and build_xm_file.
4086 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4087 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4088 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4089 Move the HOST_WIDEST_INT setup logic here from system.h.
4090 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4092 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4093 is now handled by hwint.h.
4095 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4096 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4097 config/ia64/xm-ia64.h: Don't define any of:
4098 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4099 HOST_BITS_PER_LONGLONG.
4101 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4102 config/h8300/xm-h8300.h, config/mips/iris6.h,
4103 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4104 config/sparc/xm-sp64.h: Delete.
4105 * config.gcc: Remove references to deleted files.
4107 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4108 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4109 * config/i370/xm-linux.h: Clarify floating-point situation in
4112 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4114 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4115 (find_include_file): Decide here which part of the include
4116 chain to start the search. Complain about an empty include
4117 chain in all cases apart from an abolsute file name.
4118 (_cpp_execute_include): Don't choose the search chain here.
4119 Don't call handle_missing_include in the case of an empty
4121 (_cpp_compare_file_date): Don't choose the search chain here.
4122 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4123 here from _cpp_execute_include. Behave like #include if
4124 we're in the main file.
4126 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4128 * system.h (malloc, realloc, calloc, strdup): Only poison these
4129 tokens when IN_GCC is defined.
4131 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4133 * i386.md (abs?f expander): Support SSE case.
4134 (abd?f_if): Add new "USE"; add splitters.
4136 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4138 * cpp.texi (poison): Explain the macro expansion exception.
4140 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4142 * expr.c (store_expr): Add dont_store_target. If temp is already in
4143 target before copying to reg, don't store it into target again.
4145 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4147 * cppinternals.texi: Update for file handling.
4149 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4151 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4152 2001-02-24 which broke building the Java library.
4153 * function.c (identify_blocks): Likewise.
4154 (all_blocks): Likewise.
4155 * integrate.c (integrate_decl_tree): Likewise.
4156 * print-tree.c (print_node): Likewise.
4157 * tree.h (BLOCK_NUMBER): Likewise.
4158 (struct tree_block): Likewise.
4160 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4162 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4163 __WCHAR_TYPE__ definition.
4164 (WCHAR_TYPE_SIZE): #undef before #define.
4166 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4168 * cppfiles.c: Update comments.
4169 (destroy_include_file_node): Rename destroy_node.
4170 (find_or_create_entry): New function.
4171 (open_file, _cpp_fake_include): Use it.
4172 (handle_missing_header): New function, broken out of
4173 _cpp_execute include. Don't segfault if there is no
4174 system or quoted path.
4175 (_cpp_execute_include): Use handle_missing_header.
4177 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4179 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4180 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4182 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4184 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4185 unless anti_dependence says they are.
4186 * alias.c (objects_must_conflict): If neither has a type specified,
4189 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4190 David Billinghurst <David.Billinghurst@riotinto.com>
4192 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4194 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4196 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4197 (*_one_bit): Remove type on the match_operand in attributes.
4199 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4201 * i386.c: Commit forgotten hunk in previous patch.
4202 (regclass_map): Add extended registers.
4203 (dbx_register_map): Add missing frame register.
4205 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4207 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4209 * i386.md (x86_sahf_1): Disable for 64bit.
4210 (popsi*, pophi*): Likewise.
4211 (pushqi, pushhi): Likewise.
4212 (movdi, pushdi): Likewise.
4213 (zero extend DImode splitter): Likewise.
4214 (adddi, minusdi splitter): Likewise.
4215 (umulsidi): Likewise.
4217 (mulsidi): Disable for 64bit
4218 (lshift:DI/ashift:DI): Disable for 64bit.
4219 (loop patterns): Likewise.
4220 (call_pop, call_value_pop expanders and patterns): Likewise.
4221 (prologue_get_pc): Likewise.
4223 (fcmovDI pattern and splitter): Likewise.
4224 (movdfcc_1_rex64): New.
4226 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4228 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4229 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4230 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4231 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4232 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4233 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4234 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4235 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4236 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4237 (REGPARM_MAX): Set to 6 for x86_64.
4238 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4239 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4242 * (patterns that does use upper halves): Update constraints
4243 'q' to 'Q' and 'r' to 'R'.
4244 (cmpqi_ext_1): Disable for 64bit.
4245 (cmpqi_ext_3_insn): Likewise.
4246 (movqi_extzv_1): Likewsie.
4247 (addqi_ext_1): Liekwsie
4248 (testqi_ext_1): Liekwsie
4249 (andqi_ext_1): Liekwsie
4250 (xorqi_ext_1): Liekwsie
4251 (cmpqi_ext_1_rex64): New.
4252 (cmpqi_ext_3_insn_rex64): Likewise.
4253 (movqi_extzv_1_rex64): Likewsie.
4254 (addqi_ext_1_rex64): Liekwsie
4255 (testqi_ext_1_rex64): Liekwsie
4256 (andqi_ext_1_rex64): Liekwsie
4257 (xorqi_ext_1_rex64): Liekwsie
4259 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4261 * configure.in: Move check for unsigned enumerated bitfields
4262 to macro in aclocal.m4. Disable it for now.
4263 * configure, config.in: Regenerate.
4264 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4265 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4266 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4267 kind above its first use.
4269 * config/xm-interix.h, config/alpha/xm-alpha.h,
4270 config/i370/xm-linux.h, config/i386/xm-beos.h,
4271 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4272 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4273 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4274 Don't define ONLY_INT_FIELDS under any circumstances.
4276 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4278 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4279 config/sparc/xm-sysv4.h: Delete - now identical with some
4281 * config.gcc (hppa targets): Replace xm-pahpux.h and
4282 xm-papro.h with implicit xm-pa.h.
4283 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4286 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4288 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4289 before reload_cse_noop_set_p.
4291 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4293 * config.gcc: Where xm-host.h used to include another
4294 xm-host.h, list the nested header directly in xm_file. Remove
4295 references to deleted files. Can now use sparc/xm-sp64.h for
4298 * config/xm-linux.h, config/arm/xm-linux.h,
4299 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4300 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4301 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4302 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4303 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4306 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4307 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4308 bother to wrap #undef in #ifdef.
4309 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4310 Don't include xm-linux.h.
4311 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4313 * configure.in: Wrap regexps using [] in changequote block.
4314 Use expr : not echo | grep. Simplify regexps.
4315 * configure: Regenerate.
4317 56 xm-files remain, 22 xm-arch.
4319 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4321 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4322 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4323 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4324 (copy_object): Fix format specifier vs argument mismatch.
4326 * mips-tdump.c: Make local functions static.
4327 (rindex): Don't #undef.
4328 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4329 (fatal, fancy_abort): Delete.
4330 (read_seek): Avoid signed/unsigned compare.
4332 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4334 * combine.c (try_combine): Fix error in change to try original
4336 (gen_rtx_combine): Do same as gen_rtx for now.
4338 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4340 * configure.in: AC_SUBST xm_defines.
4341 * configure: Regenerate.
4342 * Makefile.in: Set DEFINES=$(xm_defines) when building
4345 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4347 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4348 (cpp_included, find_include_file): Update.
4349 (_cpp_compare_file_date): Make else unconditional.
4351 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4353 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4355 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4357 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4358 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4360 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4362 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4363 if it's a record type.
4365 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4367 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4368 mingw includes slightly.
4370 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4372 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4373 #undef token before poisoning it.
4375 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4377 * alpha.c (check_float_value): Use memcpy, not bcopy.
4379 * m32r.c (m32r_sched_reorder): Likewise.
4381 * vax.c (check_float_value): Likewise.
4383 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4385 * toplev.c (file_name_nondirectory): Remove.
4386 * toplev.h: Similarly.
4387 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4388 of file_name_nondirectory.
4390 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4392 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4393 * mips-tfile.c: Don't #undef rindex; not used.
4395 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4397 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4398 (dbx64_register_map): Declare.
4399 (RETURN_ADDR_RTX): Fix for 64bit.
4400 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4401 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4402 * i386.c (dbx64_register_map): New global array.
4403 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4404 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4407 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4409 * cppfiles.c (search_from): Use lbasename.
4410 * mkdeps.c (deps_add_default_target): Use lbasename.
4412 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4414 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4415 xcalloc in lieu of malloc, realloc & calloc.
4417 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4419 * gengenrtl.c (xmalloc): Likewise.
4421 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4422 really_call_* memory allocation routines.
4424 * stmt.c (check_for_full_enumeration_handling): Use
4425 really_call_calloc, not calloc.
4427 * system.h (really_call_malloc, really_call_calloc,
4428 really_call_realloc): Define.
4429 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4431 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4433 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4435 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4437 * configure: Rebuilt.
4438 * configure.in: Only use `lang_requires' for languages athat are
4441 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4443 * invoke.texi: Fix typo.
4444 * gcc.1: Regenerate.
4446 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4448 * configure.in: Prune nonexistent files from build_xm_file,
4449 xm_file, and host_xm_file lists. Warn unless they're
4451 Don't generate *config.h here.
4452 AC_SUBST all variables needed to generate *config.h.
4453 * configure: Regenerate.
4454 * mkconfig.sh: New helper script, from code removed from
4456 * Makefile.in: Zap all MALLOC variables - no longer used
4457 anywhere, and malloc.c doesn't exist.
4458 Substitute in variables needed to generate *config.h.
4459 Stop lying about the dependencies contained in CONFIG_H and
4461 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4462 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4463 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4464 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4465 $(TM_P_H), etc. as appropriate.
4467 * config.gcc: Zap references to deleted files.
4468 * ggc-none.c: Don't include rtl.h or tm_p.h.
4470 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4471 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4472 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4473 config/i386/xm-linux.h, config/i386/xm-linux.h,
4474 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4475 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4476 Don't include i386/xm-i386.h.
4478 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4479 config/i386/xm-i386.h, config/i860/xm-i860.h,
4480 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4481 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4482 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4483 Delete (empty except comments, #includes of other deleted
4484 files, and macros used nowhere).
4486 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4488 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4489 independent on TARGET_FLAGS.
4491 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4493 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4495 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4497 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4499 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4500 LAST_REX_SSE_REG): define.
4501 (enum reg_class): Add 'LEGACY_REGS'
4502 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4503 (SSE_REGNO_P): Recognize extended registers.
4504 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4505 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4506 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4507 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4508 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4509 REG_OK_FOR_STRREG_P): Remove.
4510 (HI_REGISTER_NAMES): Add extended registers.
4511 (ADDITIONAL_REGISTER_NAMES): Likewise.
4512 (QI_REGISTER_NAMES): Add 8bit extended registers.
4513 (DEBUG_REG): Support extended registers.
4514 * i386.c (regclass_map): Add extended registers.
4515 (dbx_register-map): Likewise.
4516 (svr4_dbx_register_map): Likewise.
4517 (print_reg): Support extended registers.
4518 (print_operand): Support 64bit operands.
4520 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4522 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4523 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4524 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4525 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4526 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4527 STACK_BOUNDARY): Set properly for 64bits.
4528 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4529 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4530 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4531 (MOVE_MAX): Set to 16.
4532 (MOVE_MAX_PIECES): 8 for 64bit.
4533 (Pmode): Set to SImode.
4535 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4537 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4539 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4541 * i386.h (mask_64bit): New constant.
4542 (target_64bit): New macro.
4543 (target_options): Add '64'/'32'
4544 (target_default): Define.
4545 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4546 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4547 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4549 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4551 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4553 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4555 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4556 LO_SUM unless for_alias is set.
4558 2001-03-08 Stan Shebs <shebs@apple.com>
4560 * objc/objc-act.c: Fix old typos in comments, add comments for
4562 (hash_init): Fix file name in error message.
4563 (hash_enter): Ditto.
4564 (hash_add_attr): Ditto.
4565 (continue_class): Ditto.
4567 2001-03-08 Bruce Korb <bkorb@gnu.org>
4569 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4570 wait4() can receive the signal.
4572 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4574 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4576 * fixinc/fixincl.x: Regenerate.
4578 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4580 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4582 * fixinc/fixincl.x: Regenerate.
4584 2001-03-08 Richard Henderson <rth@redhat.com>
4586 * configure.in (HAVE_AS_LEB128): New assembler check.
4587 * configure, config.in: Rebuilt.
4589 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4591 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4594 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4596 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4597 references to the MAXPATHLEN macro.
4599 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4600 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4603 * config/i386/xm-gnu.h, config/xm-gnu.h,
4604 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4605 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4606 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4607 and/or unused files.
4609 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4610 doing so in various xm-*.h files.
4612 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4614 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4616 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4618 * configure.in (enable_shared): Support per-package shared-library
4620 * configure: Rebuilt.
4622 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4624 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4625 for crnot. Set operands[5] in splitter.
4627 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4629 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4630 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4631 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4632 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4633 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4634 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4635 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4638 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4639 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4640 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4641 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4642 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4643 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4644 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4645 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4646 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4647 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4648 Delete unused and/or empty files.
4650 * config.gcc: Define USG in xm_defines as appropriate. Define
4651 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4652 macro. Remove deleted xm-* files from $xm_files variable.
4654 2001-03-07 Tom Tromey <tromey@redhat.com>
4656 * configure: Rebuilt.
4657 * configure.in: Allow config-lang.in to set `lang_requires' to list
4658 of other required languages.
4660 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4662 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4664 (output_prologue): Use xmalloc not oballoc.
4665 (output_epilog): Free a29k_first_epilogue_insn when finished.
4666 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4668 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4670 * builtins.c (expand_builtin_mathfn): Check
4671 flag_unsafe_math_optimizations, not flag_fast_math.
4672 (expand_builtin): Likewise
4673 * combine.c (combine_simplify_rtx): Likewise.
4674 (simplify_if_then_else): Likewise.
4675 * cse.c (fold_rtx): Likewise.
4676 * flags.h: Remove flag_fast_math. Add
4677 flag_unsafe_math_optimizations and flag_trapping_math.
4678 * fold-const.c (negate_expr): Check
4679 flag_unsafe_math_optimizations, not flag_fast_math.
4680 (invert_truthvalue): Likewise.
4681 (fold): Likewise. Before associating operands, check that
4682 code == MULT_EXPR, not code != MULT_EXPR.
4683 * ifcvt.c (noce_try_minmax): Check
4684 flag_unsafe_math_optimizations, not flag_fast_math.
4685 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4686 * invoke.texi: Document -funsafe-math-optimizations and
4687 -fno-trapping-math. Change documentation for -ffast-math.
4688 * jump.c (reversed_comparison_code_parts): Likewise.
4689 (rtx_equal_for_thread_p): Likewise.
4690 * optabs.c (emit_conditional_move): Likewise.
4691 * simplify-rtx.c (simplify_binary_operation): Likewise.
4692 (simplify_relational_operation): Likewise.
4693 (simplify_ternary_operation): Likewise.
4694 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4695 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4696 Add trapping-math and unsafe-math-optimizations entries to f_options.
4697 (set_fast_math_flags): New, sets flags for -ffast-math.
4698 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4699 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4700 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4702 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4703 (alpha_emit_conditional_move): Initialize local_fast_math to
4704 flag_unsafe_math_optimizations, not flat_fast_math.
4705 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4706 instead of setting flag_fast_math to 1.
4707 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4709 * config/i386/i386.c (override_options): Likewise
4710 * config/i386/i386.md: Likewise.
4711 * config/m68k/m68k.md: Likewise.
4712 * config/mips/mips.md: Likewise.
4713 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4714 (rs6000_generate_compare): Likewise.
4716 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4718 * Makefile.in: Set RANLIB to @RANLIB@.
4721 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4723 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4724 * fixinc/fixincl.x: Regenerated.
4726 2001-03-07 Richard Henderson <rth@redhat.com>
4728 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4730 2001-03-07 Richard Henderson <rth@redhat.com>
4732 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4733 of block notes and exception handling notes.
4735 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4736 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4737 (compile_file): ... here.
4739 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4741 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4743 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4744 config.h now. Include libiberty.h to handle alloca.
4746 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4748 * c-parse.in (yylexname): New function, split out of _yylex.
4749 (objc_rid_sans_at): New table.
4750 (init_reswords): Initialize it.
4751 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4752 retrieving the next token and checking it for significance as
4753 an ObjC keyword or string constant.
4755 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4756 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4758 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4761 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4763 * config/m68k/m68k.c (const_uint32_operand): Accept any
4764 const_int on a 32-bit host.
4766 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4768 * objc/objc-act.c (init_objc): Set save_lang_status,
4769 restore_lang_status, and mark_lang_status.
4771 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4773 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4775 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4777 * cppinternals.texi: Update.
4779 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4781 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4782 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4783 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4784 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4785 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4786 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4787 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4788 config/i386/xm-i386.h, config/i860/xm-i860.h,
4789 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4790 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4791 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4792 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4793 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4794 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4795 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4796 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4797 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4798 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4799 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4800 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4801 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4802 match the defaults provided in hwint.h.
4804 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4805 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4807 * config.gcc (xm_file): Don't set to files which are deleted.
4809 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4810 guard this file against these macros being undefined.
4812 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4814 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4815 and DECL_DEFER_OUTPUT on the decl we create, before calling
4816 rest_of_decl_compilation.
4818 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4820 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4822 * configure, config.in: Regenerate.
4823 * config.gcc: Remove references to deleted files.
4825 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4826 genrecog.c, rtl.c: Do not use alloca anywhere.
4828 * Makefile.in, build-make, system.h, config/x-interix,
4829 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4830 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4831 config/arc/xm-arc.h, config/arm/xm-arm.h,
4832 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4833 config/h8300/xm-h8300.h, config/i370/x-oe,
4834 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4835 config/i386/x-ncr3000, config/i386/x-sco5,
4836 config/i386/xm-dgux.h, config/i860/x-sysv4,
4837 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4838 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4839 config/m68k/x-hp320g, config/m69k/x-mot3300,
4840 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4841 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4842 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4843 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4844 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4845 config/mips/x-iris, config/mips/x-iris3,
4846 config/mips/x-sni-svr4, config/mips/x-sysv,
4847 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4848 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4849 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4850 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4851 config/pa/xm-papro.h, config/romp/xm-romp.h,
4852 config/rs6000/x-aix31, config/rs6000/x-aix41,
4853 config/rs6000/x-beos, config/rs6000/x-lynx,
4854 config/rs6000/x-mach, config/rs6000/x-rs6000,
4855 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4856 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4857 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4858 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4859 config/vax/xm-vms.h: Eradicate all references to alloca and
4862 * config/xm-alloca.h, config/clipper/x-clix,
4863 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4864 config/i860/x-sysv3, config/m88k/x-sysv3,
4865 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4866 (contained only alloca related hacks).
4868 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4871 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4873 * invoke.texi: Document __FAST_MATH__.
4875 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4877 * crtstuff.c: Restore include of auto-host.h.
4879 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4881 Put main() in a separate file, so that the language
4882 front-end can use a different main().
4885 * toplev.c: (main): Rename as toplev_main.
4886 * toplev.h: Declare toplev_main.
4887 * Makefile.in (OBJS): add toplev.o.
4888 (BACKEND): remove toplev.o, add main.o.
4890 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4892 * cppfiles.c (search_from): Special case the empty string.
4894 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4896 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4897 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4898 strlen or strcpy; we already know the length.
4899 (_cpp_compare_file_date): Similarly.
4900 * cpphash.h (struct cpp_reader): Delete done_initialising.
4901 (CPP_PREV_BUFFER): Delete.
4902 * cppinit.c (cpp_start_read): Don't set done_initialising.
4903 * cpplex.c (parse_string): Guarantee null-termination.
4904 (_cpp_equiv_toklists): Remove.
4905 * cpplib.c (glue_header_name): Null-terminate.
4906 (do_line): Don't leak memory.
4907 * cpplib.h (BT_WEAK): Delete.
4908 * cppmain.c (cb_ident): Strings are now null-terminated.
4910 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4912 * gcc.c (convert_filename): Append executable suffix
4913 if NO_AUTO_EXE_SUFFIX is not defined.
4914 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4915 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4917 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4919 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4920 * c-parse.gperf, c-gperf.h: Delete.
4921 (c-gperf.h was accidently re-added to the CVS repo in the rev
4922 1.16 commit by tromey)
4924 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4926 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4927 macro arguments when looking for the '('.
4928 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4929 2 when really parsing arguments; 1 when looking for '('.
4930 Always restore the lexer position.
4932 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4934 * longlong.h (umul_ppmm): Don't use a multiline string.
4936 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4938 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4939 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4940 t_bool in declaration because pcc can't combine volatile with typedef
4943 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4945 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4946 until when it is really needed.
4947 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4948 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4949 * i386.md (float?i?f splitter): Don't force source operand to memory
4951 (sse_movdfcc): Fix constraint.
4952 (sse_movdfcc splitter): Handle properly the second alternative.
4954 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4956 * cpplex.c (parse_string): Unconditionally pedwarn.
4958 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * cppexp.c (parse_number): Update.
4962 * cpplex.c (parse_string): Pedwarn if multiline string does not
4963 result from a system header's macro.
4964 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4965 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4966 for function-like macros too.
4967 * c-lex.c (lex_number): Update.
4969 2001-03-03 Richard Henderson <rth@redhat.com>
4971 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4973 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4975 * combine.c (try_combine): If split with mode-changed scratch
4976 register didn't work, try the original mode.
4978 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4980 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4981 * config/c4x/c4x.h: Likewise.
4982 * stor-layout.c (compute_record_mode): Likewise.
4983 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4985 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4987 * configure.in: Kill tm.h. Include the files in the $tm_file
4988 list in all three of config.h, hconfig.h, tconfig.h, after the
4989 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4990 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4991 * configure: Regenerate.
4992 * Makefile.in (clean): Don't delete tm.h.
4994 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4995 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4996 those are not defined, set SEC and FEC to 0 and 1.
4997 * gcc.texi: Update to match.
4999 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5000 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5001 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5002 Include tconfig.h, not tm.h.
5004 * config/xm-lynx.h, config/xm-std32.h,
5005 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5006 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5007 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5008 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5009 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5010 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5011 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5012 config/i386/xm-i386.h, config/i860/xm-i860.h,
5013 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5014 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5015 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5016 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5017 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5018 config/pa/xm-linux.h, config/pa/xm-pa.h,
5019 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5020 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5021 config/pj/xm-pj.h, config/romp/xm-romp.h,
5022 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5023 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5024 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5025 config/v850/xm-v850.h, config/vax/xm-vax.h,
5026 config/we32k/xm-we32k.h:
5028 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5030 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5031 config/i370/xm-oe.h: Don't include tm.h. Don't define
5033 * config/vax/xm-vms.h: Don't include tm.h.
5035 * config/xm-lynx.h, config/avr/xm-avr.h,
5036 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5037 Delete; made empty by above changes.
5038 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5039 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5040 Don't include config/xm-lynx.h or tm.h.
5042 * config/xm-gnu.h: Don't include fcntl.h.
5043 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5045 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5047 2001-03-02 Richard Henderson <rth@redhat.com>
5049 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5050 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5052 2001-03-02 Richard Henderson <rth@redhat.com>
5054 * Makefile.in (OBJS): Add dwarf2asm.o.
5055 * dwarf2asm.c, dwarf2asm.h: New files.
5056 * dwarf2out.c (*): Use them.
5057 (size_of_uleb128, size_of_sleb128): Remove.
5058 (output_uleb128, output_sleb128): Remove.
5059 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5060 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5061 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5062 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5063 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5064 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5065 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5066 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5067 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5068 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5069 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5070 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5071 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5072 (dwarf2out_frame_debug): Remove unused variables.
5073 (output_loc_operands): Don't abort on 8 byte constants if
5074 host integers are wide enough.
5075 (output_symbolic_ref): Remove.
5076 (size_of_die): Don't assume 4 byte host integers.
5077 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5079 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5080 something stupid with HOST_WIDE_INT to long truncation.
5081 [CONST_DOUBLE]: Likewise.
5083 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5084 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5085 * config/arm/unknown-elf.h: Likewise.
5086 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5087 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5088 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5089 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5090 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5091 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5092 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5093 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5094 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5095 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5096 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5097 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5099 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5101 * cselib.c (hash_rtx): Cast enums to unsigned int.
5103 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5105 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5106 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5108 * c-format.c (C_STD_VER): Cast to int for comparisons.
5109 (check_function_format): Cast various enums to int for &.
5110 (maybe_read_dollar_number): Likewise.
5111 (check_format_info): Likewise.
5112 (check_format_info_main): Likewise.
5113 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5114 (safe_from_p): Likewise.
5115 * varasm.c (const_hash): Cast enum to int for %.
5116 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5117 pcc enum problems with < and ++ operators.
5118 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5119 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5120 (regclass_init): Change enum class to int to iterate over reg_classes.
5121 * genrecog.c (merge_trees): Cast enums for comparison.
5122 * rtl.h (GET_CODE): Cast to enum rtx_code.
5123 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5124 (GET_MODE): Cast to enum machine_mode.
5125 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5126 (GET_NOTE_INSN_NAME): Cast enum to int.
5127 * tree.h (TREE_CODE): Cast to enum tree_code.
5128 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5129 * timevar.c (timevar_print): Change loop variable id from enum to
5131 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5132 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5133 * toplev.c (compile_file): Cast enum DFI to int.
5134 (decode_d_option): Likewise.
5136 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5138 * cppinit.c (append_include_chain): Mark "after" include file name list
5139 as a system directory.
5140 * cpp.texi: Document new behavior.
5142 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5144 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5146 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5148 * cppfiles.c (struct include_file): Update.
5149 (stack_include_file): Use search_from.
5150 (cpp_included, find_include_file): Update.
5151 (cpp_execute_include): Update. ptr->name may not be
5152 null terminated. Use the new search_from member variable
5154 (_cpp_compare_file_date): Similarly.
5155 (search_from): New function, similiar to actual_directory.
5156 (actual_directory): Delete.
5157 (remap_filename): Update. loc->name may not be null terminated.
5158 (struct file_name_list): Rename search_path. Update.
5159 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5160 search_from and dir.
5161 (struct cpp_reader): Remove actual_dirs.
5162 * cppinit.c (struct cpp_pending): Update for renamed objects.
5163 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5164 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5165 * cpplib.h (struct cpp_options): Similarly.
5167 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5169 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5170 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5171 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5172 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5173 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5174 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5175 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5176 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5177 config/i370/xm-oe.h, config/i386/xm-aix.h,
5178 config/i386/xm-i386.h, config/i386/xm-osf.h,
5179 config/i860/xm-i860.h, config/i960/xm-i960.h,
5180 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5181 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5182 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5183 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5184 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5185 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5186 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5187 config/pj/xm-pj.h, config/romp/xm-romp.h,
5188 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5189 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5190 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5191 config/v850/xm-v850.h, config/vax/xm-vax.h,
5192 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5193 Do not define TRUE or FALSE.
5195 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5196 empty by above change.
5197 * config.gcc: Remove references to these files.
5199 * configure.in: Detect stdbool.h.
5200 * configure, config.in: Regenerate.
5201 * system.h: Include stddef.h here if available.
5202 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5203 Then set up a sensible boolean type at the very end.
5205 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5206 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5208 * hash.h: Delete 'boolean' typedef and related #undefs.
5210 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5211 all uses of 'boolean' with 'bool'.
5213 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5215 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5216 * cppexp.c (lex): Cast enums for comparison.
5217 * cppinit.c (parse_option): Cast enum for comparison.
5218 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5219 (cpp_output_token): Likewise.
5220 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5221 (cpp_avoid_paste): Cast enums for minus and comparison.
5223 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5225 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5226 field to all array elements.
5228 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5230 * cpphash.h (struct cpp_reader): Add print_version field.
5231 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5232 just set print_version and other flags as appropriate.
5233 (cpp_post_options): Print version here if print_version is set.
5235 * toplev.c (exit_after_options): New flag.
5236 (independent_decode_option): Don't exit here; just set
5238 (main): Exit after calling lang_hooks.post_options if
5239 exit_after_options is true.
5241 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5242 (merge_include_chains): Adjust comment to match code.
5244 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5246 * stringpool.c (set_identifier): New function.
5247 * tree.h: Prototype it.
5249 * c-parse.in: Kill D_YES. If compiled for objc, call
5250 save_and_forget_protocol_qualifiers from init_reswords.
5251 * objc/objc-act.c (remember_protocol_qualifiers,
5252 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5253 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5255 (save_and_forget_protocol_qualifiers): New function.
5256 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5258 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5260 * c-semantics.c (prune_unused_decls): Return error_mark_node
5261 instead of (tree) 1 to stop traversing the tree chain.
5263 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5265 Fix a problem introduced by Kenner's Feb 18 change.
5266 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5267 flag_cse_skip_blocks only temporarily, not for ever.
5269 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5271 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5272 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5274 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5275 before determining its register class.
5277 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5279 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5280 from reg 4 if current_function_calls_setjmp.
5281 (gen_nop_type): New function.
5282 (ia64_emit_nops): New function.
5283 (ia64_reorg): Call it.
5284 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5286 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5287 code not to try to optimize adds with anything but a REG destination.
5289 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5290 (INSN_PRIORITY_KNOWN): New accessor macro.
5291 * haifa-sched.c (priority): Use it instead of testing priority against
5294 2001-02-28 DJ Delorie <dj@redhat.com>
5296 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5297 since that doesn't work the way gcc wants on a generic m68k.
5299 2001-02-28 Richard Henderson <rth@redhat.com>
5301 * caller-save.c (save_call_clobbered_regs): Fix typo in
5302 comparison last change.
5304 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5306 * i386.c (pentium4_cost): New.
5307 (m_PENT4): New macro.
5308 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5309 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5310 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5311 x86_memory_mismatch_stall): Add Pentium4
5312 (x86_use_q_reg, x86_use_any_reg): Kill.
5313 (override_options): Add pentium4.
5314 (incdec_operand): Return 0 for pentium4.
5315 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5316 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5317 (TARGET_PENTIUM4): Define.
5318 (enum processor_type): Add PROCESSOR_PENTIUM4.
5319 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5320 * i386.md (attribute "cpu"): Add pentium4.
5321 * invoke.texi (march): Add pentium4.
5323 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5325 * i386.md (sse_mov?fcc*): New patterns and splitters.
5326 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5327 the SSE based conditional moves.
5329 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5331 * i386.md (attribute mode): Add "TI".
5332 (movsf_1): Add pxor support; remove constant propagation splitter.
5333 (movdf_integer): Likewise.
5334 (movdf_nointeger): Likewise.
5335 (movxf constant prop splitter): Handle all modes; update for SSE.
5336 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5337 * i386.c (standard_80387_constant_p): Rewrite.
5338 (standard_sse_constant_p): New.
5339 * i386-protos.h (standard_sse_constant_p): New.
5341 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5343 * i386.md (sse_setccsf, sse_setccdf): New.
5344 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5346 * i386.c (sse_comparison_operator): Accept the supported unordered
5347 comparses; be ready for fast_math.
5348 (print_operand): Support 'D'.
5350 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5352 * jump.c (reversed_comparison_code): Kill.
5354 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5356 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5359 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5361 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5362 add missing '%' in constraints.
5364 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5366 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5367 for HOST_BITS_PER_WIDE_INT == 32 too.
5369 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5371 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5373 (insert_save, insert_restore): New parameter save_mode.
5374 (init_caller_save): Update initialization of reg_save_code
5375 and reg_restore_code.
5376 (save_call_clobbered_regs): Compute save_modes and update calls to
5377 reg_save_code and reg_restore_code.
5378 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5379 of spill; update use of reg_restore_code.
5380 (insert_save): Likewise.
5381 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5382 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5383 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5385 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5387 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5388 noce_try_store_flag_inc, noce_try_store_flag_mask,
5389 noce_try_cmove_arith):
5390 Use reversed_comparison_code instead of reverse_comparison and
5391 can_reverse_comparison_p.
5393 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5395 * jump.c (reversed_comparison_code_parts): Allow reversal of
5396 unordered compares in -ffast-math mode; reverse ordered compares
5397 for FP even w/o -ffast-math.
5399 2001-02-27 Richard Henderson <rth@redhat.com>
5401 * print-rtl.c (print_rtx) [i]: Don't print field five on
5402 NOTEs other than NOTE_INSN_DELETED_LABEL.
5404 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5406 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5407 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5409 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5411 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5412 even if walk_subtrees is 0.
5413 * c-semantics.c (prune_unused_decls): Return a non-null value to
5414 stop traversing the tree chain.
5416 2001-02-27 DJ Delorie <dj@redhat.com>
5418 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5419 register, *then* define it as the new CFA.
5421 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5423 * pa.c (override_options): Promote -fpic to -fPIC.
5424 (legitimize_pic_address): Simplify due to removal of
5425 small PIC as a code generation option.
5426 (secondary_reload_class): Similarly.
5427 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5428 (PRINT_OPERAND_ADDRESS): Similarly.
5429 * pa.md (various patterns): Similarly.
5430 (small pic lo_sum pattern): Remove.
5432 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5435 * md.texi (min, max): Document
5437 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5439 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5440 TARGET_PARTIAL_REG_DEPENDENCY.
5441 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5443 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5445 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5447 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5449 * mips.c (mips_make_temp_file): Fix thinko in last change.
5451 2001-02-26 Jason Eckhardt <jle@redhat.com>
5453 * combine.c (known_cond): Do not reverse the condition when
5454 SMAX/UMAX is being considered and the condition is for equality
5457 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5459 2001-02-26 Philip Blundell <philb@gnu.org>
5461 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5463 * config/arm/linux-elf.h: Remove historical relics related to
5464 above configurations.
5465 * config/arm/linux-oldld.h: Delete.
5466 * config/arm/linux-elf26.h: Delete.
5468 2001-02-26 Jason Merrill <jason@redhat.com>
5470 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5472 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5473 recognize a tentative definition. Lose obsolete code.
5475 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5476 variables unless necessary, either.
5478 2001-02-25 Richard Henderson <rth@redhat.com>
5480 * ifcvt.c (struct noce_if_info): Add test_bb.
5481 (noce_get_alt_condition): New.
5482 (noce_try_minmax, noce_try_abs): New.
5483 (noce_operand_ok): New.
5484 (noce_process_if_block): Use them.
5485 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5487 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5489 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5492 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5494 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5495 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5497 (mips_asm_file_end): Free temp_filename here.
5499 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5501 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5502 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5504 * config/i386/i386.md (movstrsi): Handle FAIL case.
5506 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5508 * cppinit.c (builtin_array): Update.
5509 (init_builtins): Flag builtins to warn if redefined or
5510 undefined. Define __GXX_WEAK as a normal macro.
5511 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5512 * cpplib.h (NODE_WARN): New flag.
5513 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5514 Handle __STDC__ as a builtin only on Solaris.
5515 (warn_of_redefinition): Renamed from check_macro_definition.
5516 Reverse sense of test. Always warn if NODE_WARN.
5517 (_cpp_create_definition): Use warn_of_redefinition. Flag
5518 any macro beginning with "__STDC_" to require a mandatory
5519 warning if redefined or undefined.
5521 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5523 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5524 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5525 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5526 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5527 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5528 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5529 Don't define any of:
5530 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5531 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5532 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5533 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5534 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5536 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5537 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5540 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5541 Delete now-empty file.
5543 * alpha/vms.h: Define NEED_ATEXIT here...
5544 * alpha/xm-vms.h: ...not here.
5546 * i386/cygwin.h: Don't define PARAMS.
5547 * mips/mips.c: Don't prototype mktemp. Don't define
5548 P_tmpdir. Use make_temp_file to create temporary files.
5549 Don't be clever and delete temporary files early.
5550 * config.gcc: Drop references to deleted files. Don't define
5552 * gcc.texi: Don't mention USE_PROTOTYPES.
5554 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5556 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5557 (ix86_set_move_mem_attrs_1): Likewise.
5558 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5559 * config/i386/i386.md (movstrsi): Call it.
5561 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5563 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5564 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5565 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5566 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5568 (i750a-*-*): Error here if hosting on i750a.
5569 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5571 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5572 Remove (empty modulo comments).
5574 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5575 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5576 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5577 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5578 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5579 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5581 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5582 Remove reference to winnt.h in comment.
5583 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5585 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5587 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5588 used to set another biv.
5590 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5592 * tree.h (BLOCK_DEAD): New macro.
5593 (struct tree_block): New flag, dead_flag.
5594 * print-tree.c (print_node, case 'b'): Print missing fields.
5595 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5596 * function.c (identify_blocks): Enable test for misplaced notes.
5597 (all_blocks): Skip BLOCK_DEAD blocks.
5598 * integrate.c (integrate_decl_tree): Likewise.
5600 * errors.c (internal_error, trim_filename): New functions.
5601 (fancy_abort): Call internal_error.
5602 * errors.h (internal_error, trim_filename): New declarations.
5604 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5606 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5608 (EXTRA_CONSTRAINT): Formatting changes.
5610 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5612 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5614 2001-02-23 Per Bothner <per@bothner.com>
5616 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5617 so they can be called from java/jvspec.c.
5618 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5620 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5622 * i386.c (ix86_frame): New structure.
5623 (ix86_compute_frame_size): Kill.
5624 (ix86_compute_frame_layout): New.
5625 (ix86_save_reg): New.
5626 (ix86_can_use_return_insn_p): Use frame layout stuff.
5627 (ix86_expand_prologue): Likewise.
5628 (ix86_expand_epilogue): Likewise.
5629 (ix86_initial_elimination_offset): Likewise.
5630 (ix86_nsaved_regs): Use ix86_save_reg.
5631 (ix86_emit_save_regs): Likewise.
5633 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5635 * flow.c (find_sub_basic_blocks): New function.
5636 (split_block): Be ready for basic block introduced by CODE_LABEL.
5637 (commit_one_edge_insertion): Call find_sub_basic_block.
5639 * flow.c (make_edges): Add edge from entry for blocks starting with
5640 label having ALTERNATE_NAME
5642 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5644 * function.c (epilogue_done): Be ready for first basic block not
5645 containing PROLOGUE_END note.
5646 (reposition_prologue_and_epilogue_notes): Avoid placing
5647 PROLOGUE_END note between BASIC_BLOCK.
5649 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5651 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5653 2001-02-21 DJ Delorie <dj@redhat.com>
5655 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5656 check for current_function_has_nonlocal_goto from 1999-11-12.
5658 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5660 * diagnostic.c (trim_filename): No longer static.
5661 * toplev.h (trim_filename): Declare.
5662 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5663 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5664 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5665 (rtvec_check_failed_bounds): Likewise.
5666 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5668 * convert.c (convert_to_integer): Don't do unsigned unless result or
5669 both inputs are unsigned.
5671 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5674 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5676 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5678 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5680 * Makefile.in (resource.o): Add params.h dependence.
5681 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5682 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5683 * resource.c: Add dependence on params.h.
5684 (current_live_regs): Fix explanatory comment.
5685 (find_basic_block): Add new parameter to permit limiting search
5687 (mark_target_live_regs): Add new argument to find_basic_block call.
5688 (incr_ticks_for_insn): Likewise.
5690 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5692 * diagnostic.c (output_to_stream): Rename to
5693 output_buffer_to_stream. Loses the stream parameter.
5694 (init_output_buffer): Set diagnosic_buffer's stream.
5695 (flush_diagnostic_buffer): Adjust.
5696 (default_print_error_function): Likewise.
5697 (finish_diagnostic): Likewise.
5698 (verbatim): Likewise.
5700 * diagnostic.h (struct output_buffer): Add `stream' field.
5701 (output_buffer_attached_stream): New macro.
5703 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5705 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5706 check if either operand is divisible by C.
5707 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5708 If type is signed, consider negative numbers as well.
5710 2001-02-22 Richard Henderson <rth@redhat.com>
5712 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5713 reach .text instead of gp-relative relocs.
5714 * config/ia64/crtend.asm (.init): Likewise.
5716 2001-02-22 Andreas Jaeger <aj@suse.de>
5718 * extend.texi (C++ Attributes): Fix typo.
5720 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5722 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5723 functions, drop current_function_args_info.words test.
5724 (ia64_compute_frame_size): Mark syscall_linkage functions as
5725 using eight input registers.
5727 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5728 Bruce Korb <bkorb@gnu.org>
5730 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5731 * fixinc/README: Document how to convert sed substitutions
5732 to format style c_fix-es.
5733 * fixinc/fixincl.x: regen
5735 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5737 * gcc.c: Add comment explaining how to add a command-line option.
5738 Add title to specs language comment.
5740 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5742 * gcc.c (cc1_options): Add "-param".
5743 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5744 (option_map): Likewise.
5745 * toplev.c (display_help): Add entry for "--param".
5746 (independent_decode_option): Fix typographical error.
5748 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5749 Bernd Schmidt <bernds@redhat.com>
5750 Jan Hubicka <jh@suse.cz>
5752 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5753 (function_arg): Likewise.
5755 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5757 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5759 2001-02-21 Kazu Hirata <kazu@hxi.com>
5761 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5765 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5767 * flow.c (init_propagate_block_info): Canon address and use single_set
5768 for killing dead memory stores.
5770 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5772 * Makefile.in (reorg.o): Add params.h dependence.
5773 * params.def: Fix typographical error in comment.
5774 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5775 * params.h: Modify introductory comment.
5776 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5777 * reorg.c: Add dependence on params.h.
5778 (redundant_insn): Add parameterized throttle for search.
5779 (fill_simple_delay_slots): Add a comment explaining a variable.
5780 Move conditional out of loop, simplifying code.
5781 (fill_eager_delay_slots): Fix typographical error in comment.
5783 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5785 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5787 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5788 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5790 2001-02-21 Jason Merrill <jason@redhat.com>
5792 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5793 (struct tree_decl): Add uninlinable bitfield.
5794 * c-decl.c (duplicate_decls): Set it.
5795 * integrate.c (function_cannot_inline_p): Check it.
5797 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5798 DW_AT_MIPS_linkage_name to abstract methods.
5799 (dwarf2out_abstract_function): Emit class context before calling
5800 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5801 (gen_subprogram_die): Remove obsolete code.
5802 (gen_member_die): Don't include clones in the member list.
5803 (gen_decl_die): Emit abstract info for clone origin.
5804 * dwarfout.c (output_type): Don't include clones in the member list.
5805 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5806 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5807 DECL_ABSTRACT on a function that already has it set.
5809 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5810 (get_subprogram_die): Pass it in.
5812 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5814 * flow.c (mark_set_1): Make not_dead unsigned long. For
5815 non-pseudos, use it as a bitmask of the hard regs that
5818 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5820 * cppfiles.c: Update comments.
5821 (_cpp_read_file): Don't check for NULL filenames any more.
5822 * cppinit.c (cpp_start_read): Don't do canonicalization of
5823 in_fname and out_fname. Use the passed file name exclusively.
5824 (_cpp_handle_options): Don't treat "-" as a command line option,
5825 but as a normal filename.
5826 (_cpp_post_options): Canonicalize in_fname and out_fname.
5827 * cppmain.c (printer_init): Don't check out_fname for NULL.
5828 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5829 (init_c_lex): Update, and use "" to represent stdin to CPP.
5832 2001-02-20 Will Cohen <wcohen@redhat.com>
5834 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5835 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5836 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5839 2001-02-20 Stan Shebs <shebs@apple.com>
5841 * config/rs6000/rs6000.c (output_cbranch): Output branches
5842 on separate lines instead of using ';' to separate.
5844 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5846 * cppinit.c (set_lang): Move builtin handling to...
5847 (init_builtins): ...here.
5848 (_cpp_create_reader): Move call to set_lang.
5850 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5852 * stmt.c (expand_return): If an attempt is made to return the
5853 error_mar_node, treat the return like a return without a value.
5855 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5857 * sibcall.c (skip_copy_to_return_value): Call
5858 identify_call_return_value here, and return orig_insn if it
5859 returns zero. Hardret and softret arguments now unnecessary.
5860 (call_ends_block_p): Don't call identify_call_return_value here.
5862 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5864 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5865 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5867 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5869 * pa.c (move_operand): Accept code to load the address of a
5870 symbol out of the DLT as a valid move operand.
5871 (print_operand, case 'A'): New to handle generating a DLT
5872 reference for a LO_SUM expression.
5873 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5874 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5876 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5878 * README, cpp.texi, gcc.texi, version.c: Update version number to
5880 * cpp.1, gcov.1, gcc.1: Regenerate.
5882 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5884 * cppfiles.c (stack_include_file): Generate dependencies
5885 here, and manage include_count here too.
5886 (PRINT_THIS_DEP): Delete.
5887 (_cpp_execute_include): Do not generate dependencies here,
5888 apart from the case of a missing header. Do not manage
5890 (_cpp_read_file): Leave dependency generation to
5893 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5895 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5896 target_cpu_default. Remove dead assignment to
5899 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5901 * regclass.c (contains_reg_of_mode): Make global.
5902 (init_reg_sets): Remove contains_reg_of_mode; take into account
5903 CLASS_MAX_NREGS when looking for the proper mode.
5904 (dump_regclass): Dump only classes considered for the pseudo.
5905 (regclass): Use contains_reg_of_mode.
5907 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5909 * gcc.c (do_spec_1): 'n' for printing notices.
5910 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5912 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5914 * reg-stack.c (next_flags_user): Use current_block->end
5915 (swap_rtx_condition): Look for next user if flags don't die;
5916 give up on CALL_INSNs; use current_block->end.
5918 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5920 * sibcall.c (call_ends_block_p): New function.
5921 (optimize_sibling_and_tail_recursive_call): Use it.
5923 2001-02-18 Kazu Hirata <kazu@hxi.com>
5925 * config/h8300/h8300.md: Update copyright.
5926 (andsi3): Do not output an extra newline character.
5928 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5930 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5931 FNDECL may be unused.
5933 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5934 follow jumps after first run.
5935 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5936 it doesn't change any jumps.
5938 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5940 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5941 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5942 (mostlyclean): Corresponding changes.
5943 * rtlanal.c (hard-reg-set.h): Include.
5944 (rtx_unstable_p): Do not treat the argument pointer specially
5945 if it is not a fixed register.
5946 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5948 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5950 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5951 against last real insn in basic block.
5952 Rework to avoid gotos.
5954 * Makefile.in (gcse.o): Now includes ggc.h.
5955 * gcse.c: Include ggc.h.
5956 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5957 (try_replace_reg): Remove warning of uninitialize variable.
5958 (process_insert_insn): Call invalid_insn_p to validate insn.
5959 * recog.c (insn_invalid_p): Now global.
5960 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5961 * recog.h (insn_invalid_p): New declaration.
5963 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5965 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5966 assignments from FP constants since 'Y' output code can't handle it.
5967 (eligible_for_sibcall_delay): Likewise.
5969 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5970 Call fancy_abort directly, passing args.
5971 (print_rtl_and_abort): Now a macro, like fancy_abort.
5973 * final.c (output_operand_lossage): Use internal_error, not error.
5975 2001-02-18 Shane Nay <shane@agendacomputing.com>
5977 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5978 structure shift insns.
5980 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5982 * invoke.texi (-fsquangle): Remove documentation.
5983 (-fname-mangling-version): Likewise.
5985 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5987 * optabs.c (expand_abs): Remove reference to
5988 HAVE_contitional_arithmetic.
5989 * combine.c (simplify_set): Likewise.
5991 2001-02-18 Richard Henderson <rth@redhat.com>
5993 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5996 2001-02-18 Richard Henderson <rth@redhat.com>
5998 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6000 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6002 * reload1.c (reload_cse_simplify_set): Fix typo.
6004 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6006 * diagnostic.c (_fatal_insn): Decrement errorcount.
6008 * invoke.texi (-I): Add note avoiding use for system header files.
6010 * rtl.h (add_clobbers): Remove duplicate declaration.
6011 * recog.h (added_clobbers_hard_reg_p): New declaration.
6012 * genemit.c (struct clobber_pat): New field has_hard_reg.
6013 (gen_insn): Record if added clobbers clobber hard reg.
6014 (gen_split): Avoid unused warning if number of operands is 0.
6015 (output_added_clobbers_hard_reg_p): New function.
6018 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6020 * pa.c (hppa_expand_prologue): Simplify code storing return
6021 pointer. For large (>=8k) frames with a post_store, adjust stack
6022 pointer by 8k-64 first rather than by 64. When testing with
6023 VAL_14_BITS_P, always use the actual value rather than the value
6024 negated. Add blockage to prevent scheduling of spills before
6025 stack frame has been created.
6026 (hppa_expand_epilogue): Simplify code loading return pointer.
6027 Allow a slightly larger range for merge_sp_adjust_with_load case.
6028 When testing with VAL_14_BITS_P, always use the actual value.
6030 * pa.c (pa_adjust_insn_length): Check that block move
6031 pattern is a set before looking at operands.
6033 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6035 * fold-const.c (fold_binary_op_with_conditional_arg): New
6036 function, split out from ...
6038 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6039 conditional arms that throw exceptions.
6041 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6044 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6046 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6047 define HAVE_DECL_* to 1 to mask potential backup declarations.
6048 * configure: Regenerated.
6050 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6052 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6054 2001-02-17 Richard Henderson <rth@redhat.com>
6056 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6057 when replacing a memory load with a register.
6059 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6060 Jan Hubicka <jh@suse.cz>
6062 * recog.c (validate_replace_src_1): New.
6063 (validate_replace_src_data): Likewise.
6064 (validate_replace_src): Use note_uses.
6065 * rtl.h (note_uses): Declare.
6066 * rtlanal.c (note_uses): New.
6068 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6070 * reg-stack.c (stack_def): Make field reg unsigned.
6071 (remove_regno_note): Unsignetize parameter.
6073 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6075 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6076 shladd_operand() call.
6078 2001-02-16 Bruce Korb <bkorb@gnu.org>
6079 Rodney Brown <RodneyBrown@mynd.com>
6081 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6082 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6083 machine restrictions
6084 * fixinc/fixincl.x: regen
6086 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6088 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6090 (hash_scan_insn): Clean up calls to hash_scan_set.
6091 (compute_kill_rd): REGNO now unsigned.
6092 (try_replace_reg): Rework to use simplify_replace_rtx.
6093 (cprop_jump, cprop_cc0_jump): Likewise.
6094 (cprop_insn): Call find_reg_equal_equiv_note.
6095 Reflect changes to cprop_jump and cprop_cc0_jump.
6097 * recog.c (validate_replace_src): Replace in operands of
6098 ZERO_EXTRACT in SET_DEST.
6100 * cse.c (new_label_ref): New variable.
6101 (insert): Set it instead of recorded_label_ref.
6102 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6103 CODE_LABEL for this function, and not already in REG_LABEL note.
6105 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6107 * resource.c (mark_referenced_resources): Fix typo in introductory
6109 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6112 2001-02-16 Jason Merrill <jason@redhat.com>
6114 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6116 (gen_subprogram_die): Don't abort on seeing a second definition if
6117 the previous one was abstract. Don't replace an abstract instance
6118 in the lookup table.
6120 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6121 gen_abstract_function.
6122 * dwarf2out.h: Declare it.
6123 * toplev.c (note_outlining_of_inline_function): New fn.
6124 * toplev.h: Declare it.
6125 * integrate.c (output_inline_function): Call it.
6126 * c-decl.c (duplicate_decls): Call it when redefining an extern
6127 inline. Don't inline the new defn.
6129 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6131 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6133 * .gdbinit: Rename to gdbinit.in.
6134 * gdbinit.in: New file,
6135 * configure.in: Generate .gdbinit from gdbinit.in.
6136 * configure: Regenerated.
6137 * Makefile.in (distclean): Always remove .gdbinit.
6139 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6141 * objc/objc-act.c (start_class): Register implemented_classes with
6144 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6146 * cppfiles.c (_cpp_make_system_header): Generate a file
6149 2001-02-15 Jim Meyering <meyering@lucent.com>
6151 * Makefile.in (install-common): Don't depend on installdirs here.
6152 Instead, make each of the lang.install-common targets (e.g.,
6153 c++.install-common in cp/Make-lang.in) depend on it.
6154 (install-driver): Depend on installdirs.
6156 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6158 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6160 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6163 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6165 * invoke.texi (--param): Document.
6167 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6169 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6171 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6173 * i386.md (extendsfdf2_2): Fix constraints.
6175 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6177 * i386.md (fop_df_3 splitter): Fix operand number.
6179 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6181 * invoke.texi (-mreg-alloc): Nuke.
6182 * i386.c (ix86_reg_alloc_order, regs_allocated,
6183 order_regs_for_local_alloc): Nuke.
6184 (override_options): Kill reg_alloc code.
6185 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6186 (REG_ALLOC_ORDER): SSE goes before I387.
6187 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6188 (ix86_reg_alloc_order): Likewise.
6189 * i386-protos.h (ix86_reg_alloc_order): Kill.
6191 2001-02-14 Richard Henderson <rth@redhat.com>
6193 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6195 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6197 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6199 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6201 * i386-protos.h (ix86_memory_move_cost): Move offline.
6202 * i386.c (ix86_register_move_cost): Compute properly cost of
6203 SSE, MMX and i387 instructions.
6204 (*_cost): Add costs of SSE/MMX moves.
6205 (ix86_memory_move_cost): Move offline from ....; Likewise.
6206 * i386.h (MEMORY_MOVE_COST): .... here;
6207 (struct processor costs): Add new fields to represent costs
6210 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6212 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6213 move_cost together with Matt Kraai's fix.
6215 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6217 * Makefile.in (OBJS): Add params.o.
6219 2001-02-14 Richard Henderson <rth@redhat.com>
6220 DJ Delorie <dj@redhat.com>
6222 * jump.c (jump_optimize_1): When we delete a conditional jump
6223 preceeding a non-conditional jump to effectively the same place,
6224 make sure that the combined jump skips any clobber insns between
6227 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6229 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6231 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6233 * Makefile.in (toplev.o): Depend on params.h.
6234 (intergate.o): Likewise.
6235 (params.o): New target.
6236 * flags.h (inline_max_insns): Remove.
6237 * integrate.c: Include params.h.
6238 Use MAX_INLINE_INSNS instead of inline_max_insns.
6239 * params.c: New file.
6240 * params.h: Likewise.
6241 * params.def: Likewise.
6242 * toplev.c: Include params.h.
6243 (lang_independent_params): New variable.
6244 (decode_f_option): Use the param machinery instead of setting
6246 (independent_decode_option): Handle "--param name=value".
6247 (main): Register language-independent parameters.
6249 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6251 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6253 2001-02-14 Richard Henderson <rth@redhat.com>
6255 * regclass.c (init_reg_sets_1): Revert last two changes.
6257 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6259 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6260 (variable_size): Call put_pending_size.
6261 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6262 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6263 sizes list, put newly created SAVE_EXPR there as well.
6265 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6267 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6268 (errata_find_address_regs): load_group has only 2 entries.
6269 (errata_emit_nops): Likewise. shladd is not problematic.
6270 Clear last_group if nop was emitted.
6271 (fixup_errata): load_group has only 2 entries.
6274 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6276 * c-lex.c (lex_number): Only warn traditionally for U suffix
6277 outside system macros.
6278 * cppexp.c (parse_number): Similarly.
6279 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6280 * cppmacro.c (struct cpp_macro): New member node.
6281 (parse_args): Only warn about missing rest args if not
6283 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6284 (cpp_sys_objmacro_p): New.
6285 (_cpp_create_definition): Store the node with the macro defn.
6286 Remember if the macro is defined in a system header.
6288 2001-02-13 DJ Delorie <dj@redhat.com>
6290 * configure.in (check_languages): determine languages to check
6291 * Makefile.in (check-c++): alias for check-g++
6292 (check-f77): alias for check-g77
6293 (CHECK_TARGETS): depend on configured languages
6295 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6297 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6298 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6299 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6300 (sqrtextendsfdf2): Disable for SSE2.
6302 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6304 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6305 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6306 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6307 (sqrtextendsfdf2): Disable for SSE2.
6309 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6311 * i386.md (movsfcc_1): Support integer cmove instruction.
6312 (movdfcc_1): Likewise; new splitter.
6314 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6316 * i386.c (output_fp_compare): Support SSE.
6317 (prepare_fp_compare_args): SSE comparisons always support memory.
6318 * i386.h (TARGET_CMOVE): SSE imply cmove.
6319 * i386.md (cmp?f2): Enable for SSE too.
6320 (cmpfp_i*): Support SSE.
6322 (cmpfp_i_sse_only): New.
6323 (s*, b* fp expanters): Enable for SSE too.
6324 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6327 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6329 * regclass.c (init_reg_sets_1): Silence warning.
6331 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6333 * i386.md (sqrt?f2): Change to expander.
6334 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6336 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6338 * rtlanal.c (find_reg_equal_equiv_note): New function.
6339 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6340 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6341 * rtl.h: Add declarations for above functions.
6343 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6345 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6347 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6348 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6349 * flow.c (mark_regs_live_at_end): Likewise.
6350 (calculate_global_regs_live): Likewise.
6351 * gcse.c (compute_hash_table): Likewise.
6352 (compute_kill_rd): Likewise.
6353 * resource.c (mark_target_live_regs): Likewise.
6354 * rtl.h (INVALID_REGNUM): New macro.
6356 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6358 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6360 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6362 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6365 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6367 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6369 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6370 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6371 (fop_sf_1_sse, fop_df_1_sse): New patterns
6372 (fop_*): Disable float_extend and float patterns for SSE compilation.
6373 * i386.c (output_387_binary_op): Support SSE.
6375 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6377 * i386.md (dummy_extendsfdf2): Support SSE2
6378 (extendsfdf2): Enable if 80387 or SSE2.
6379 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6380 and no MIX_I387_SSE2
6381 (extendsfdf2_1_sse_only): New pattern.
6382 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6384 (truncdfsf2_1): Support SSE.
6385 (truncdfsf2_2): Support SSE.
6386 (truncdfsf2_2_1_sse): New pattern.
6387 (fixtruncsfsi2): Always use SSE if available.
6388 (fix_truncsfsi_sse): New pattern.
6389 (fix_truncdfsi_sse): New pattern.
6390 (floatsis?f2): Support SSE.
6391 (floatsidf2_i387): New pattern.
6392 (floatsidf2_sse): Likewise.
6394 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6396 * configure.in: Use "have_gnat" variable, not "gnat".
6397 * configure: Regenerated.
6399 * config/sparc/sparc.c (function_value): Treat all non-record
6400 aggregate types like used to treat UNION_TYPE.
6402 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6404 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6405 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6407 (MASK_MIX_SSE_I387): New.
6408 (TARGET_SSE): SSE2 imply SSE.
6409 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6410 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6411 (enum reg_class): Add new classes.
6412 (REG_CLASS_NAMES): Likewise.
6413 (REG_CLASS_CONTENTS): Likewise.
6414 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6415 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6416 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6417 (CLASS_MAX_NREGS): Use new macros.
6418 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6419 * i386.md (pushsf, movsf): Support SSE.
6420 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6421 splitters to use ANY_FP_REGNO_P.
6422 (movdf_nointeger, movdf_integer): Likewise.
6424 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6426 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6427 (try_combine): Use it.
6429 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6431 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6432 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6433 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6434 (REGISTER_MOVE_COST): Likewise.
6435 * i386-protos.h (ix86_secondary_memory_needed,
6436 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6437 * i386.c (ix86_secondary_memory_needed,
6438 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6440 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6442 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6443 (HARD_REGNO_MODE_OK): Move offline to ....
6444 * i386.c (ix86_hard_regno_mode_ok) ... here;
6445 refuse all incorrect modes.
6446 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6448 2001-02-13 Richard Henderson <rth@redhat.com>
6450 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6451 entire operator; replicate that and match_dup the operands.
6452 (cmp_ccx_arith_op_set): Likewise.
6453 (cmp_cc_arith_op_not_set): Likewise.
6454 (cmp_ccx_arith_op_not_set): Likewise.
6456 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6458 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6460 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6462 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6463 (TARGET_NO_BITFIELD_WORD): New macro.
6464 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6465 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6467 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6469 * cselib.c: New file, from simplify-rtx.c.
6470 * simplify-rtx.c: Remove cselib parts.
6471 * Makefile.in: Add cselib.o.
6473 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6475 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6476 (setup_incoming_varargs): Remove warning.
6478 * config/rs6000/rs6000.c (validate_condition_mode): When
6479 flag_fast_math, allow floating-point conditionals to be reversed.
6480 (rs6000_generate_compare): When flag_fast_math, don't generate
6481 cror operations for FP conditionals.
6483 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6485 (ASM_SPEC): Likewise.
6486 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6487 (CC1_SPEC): Likewise.
6488 (LINK_TARGET_SPEC): Likewise.
6489 (CPP_ENDIAN_SPEC): Likewise.
6490 * Makefile.in (check-consistency): New target.
6492 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6494 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6495 "return type defaults" warning for functions with return type
6497 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6498 function declarations by default rather than only when pedantic.
6500 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6502 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6505 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6507 * extend.texi (Deprecated): Deprecate new initializer lists.
6509 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6511 * mkdeps.c (deps_add_default_target): Robustify. Add
6512 basename component only.
6513 * cpp.texi (-M): Describe how default target is generated.
6514 * invoke.texi (-M): Likewise.
6516 2001-02-12 Kazu Hirata <kazu@hxi.com>
6518 * toplev.c (push_float_handler): Remove.
6519 (pop_float_handler): Remove.
6520 * toplev.h: Remove prototypes for the above functions.
6522 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6524 * c-common.c (constant_fits_type_p): New function.
6525 (convert_and_check): Use it.
6527 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6529 * Makefile.in (GXX_ABI_FLAG): Don't define.
6530 * configure.in (--enable-new-gxx-abi): Remove option.
6531 * config.in: Regenerated.
6532 * configure: Likewise.
6534 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6536 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6538 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6539 regular basic block, and arrange for all edges into it to switch
6542 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6544 * Makefile.in (distclean): Do not remove .gdbinit.
6546 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6548 * Makefile.in (gcc.o): Fix typos.
6549 (protize.o): Likewise.
6550 (unprotoize.o): Likewise.
6552 2001-02-11 Richard Henderson <rth@redhat.com>
6554 * tree.c (build1): Check for null operand in last change.
6556 2001-02-11 Richard Henderson <rth@redhat.com>
6558 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6559 (fold): Don't assume a constant isn't foldable.
6560 * tree.c (build): Set TREE_CONSTANT for an expression with no
6561 side-effects and constant operands.
6564 2001-02-10 Richard Henderson <rth@redhat.com>
6566 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6568 2001-02-10 Anthony Green <green@redhat.com>
6570 * cpp.texi (Standard Predefined): Add documentation for
6573 * c-common.c (combine_strings): Improve warning message.
6575 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6577 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6579 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6581 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6583 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6586 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6588 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6591 2001-02-09 Nick Clifton <nickc@redhat.com>
6593 * config/arm/arm.md: Change output contraint on post inc
6594 load/store multiple patterns to be a read/write contraint.
6596 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6598 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6599 .o files when using the -M options.
6601 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6602 David Edelsohn <edelsohn@gnu.org>
6604 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6605 handle DImode constants. Use one TOC entry for SImode and smaller
6606 constants, aligned properly.
6608 2001-02-08 Jason Merrill <jason@redhat.com>
6610 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6611 about the SP adjustment for saving the static chain pointer.
6612 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6613 offset when setting a temporary CFA register.
6615 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6617 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6618 powerpc-*-chorusos* .
6619 * config/rs6000/chorus.h : New file.
6620 * config/i386/chorus.h : New file.
6621 * config/sparc/chorus.h : New file.
6622 * config/sparc/t-chorus-elf : New file.
6624 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6626 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6627 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6628 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6629 (__WCHAR_TYPE__): Correct macro name.
6631 2001-02-08 Richard Henderson <rth@redhat.com>
6633 * config/i386/i386.c (ix86_frame_pointer_required): New.
6634 (ix86_setup_frame_addresses): New.
6635 (struct machine_funciton): Add accesses_prev_frame.
6636 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6637 ix86_frame_pointer_required.
6638 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6639 (SETUP_FRAME_ADDRESSES): New.
6640 * config/i386/i386-protos.h: Update.
6641 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6642 from FRAME_POINTER_REQUIRED.
6643 * config/i386/svr3gas.h: Likewise.
6644 * config/i386/sysv3.h: Likewise.
6645 * config/i386/v3gas.h: Likewise.
6647 2001-02-08 Richard Henderson <rth@redhat.com>
6649 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6650 calculation of the number of integer registers required.
6651 (function_arg_record_value): Likewise.
6653 2001-02-08 Jason Merrill <jason@redhat.com>
6655 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6656 two. Print file and line with "confused" message.
6658 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6660 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6662 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6664 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6666 * final.c (cleanup_subreg_operands): The address of a MEM can
6669 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6672 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6674 * gcc.texi (Incompatibilities): Update documentation of
6675 preprocessing numbers.
6677 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6679 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6681 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6683 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6685 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6686 * gcc.c (struct compiler): Add cpp_spec field.
6687 (input_file_compiler): New variable.
6688 (do_spec_1): Allow a particular compiler to handle `%C'
6690 (main): Store the current compiler in input_file_compiler.
6691 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6693 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6695 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6696 * cppinit.c (cpp_create_reader): Initialize them.
6697 (append_include_chain): cxx_aware arg might be unused.
6698 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6699 keywords and give them their phase 7 meaning. Pedwarn about
6700 this unless '__bool_true_false_are_defined' is defined.
6702 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6704 * lcm.c (optimize_mode_switching): Emit mode_set before the
6705 JUMP_INSN of an abnormal edge.
6707 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6709 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6710 a scheduling barrier at the end.
6712 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6714 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6716 * config/sh/sh.md (reload_outsf): Removed.
6717 (movsf_ie): Introduce constraints for FPUL loads and stores.
6718 (reload_insf): Broaden the output constraint.
6720 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6722 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6723 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6725 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6727 * final.c: Revert my previous changes.
6728 * output.h: Make profile_label_no extern.
6729 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6730 for generating label.
6732 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6734 * config/i386/djgpp.h: Add comments about standard paths.
6735 (MD_EXEC_PREFIX): Undefine before defining.
6736 (MD_STARTFILE_PREFIX): New.
6738 2001-01-30 Bruce Korb <bkorb@gnu.org>
6740 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6741 (load_file): do not rely on load_file_data() to close file pointer
6742 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6743 fixinc/inclhack.def(irix_limits_const): add test_text
6745 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6747 * cppexp.c (parse_defined): Improve diagnostics for invalid
6750 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6752 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6754 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6756 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6757 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6758 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6759 (rs6000_output_symbol_ref): New function.
6760 (output_toc): Use VTABLE_NAME_P.
6762 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6764 * print-tree.c (print_node, case PARM_DECL):
6765 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6767 * stor-layout.c (reference_types_internal): New variable.
6768 (internal_reference_types): New function.
6769 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6770 * tree.h (internal_reference_types): New declaration.
6772 * cse.c (find_best_addr): Fix typo in computing cost.
6774 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6776 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6777 and this is the sum of a pointer and a constant, we know the result
6779 (num_sign_bit_copies, case PLUS): Likewise.
6780 * explow.c (convert_memory_address): Remove opposite SUBREG.
6781 * function.c (instantiate_new_reg): New function (from common code).
6782 (instantiate_virtual_regs_1): Call it.
6783 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6784 if pointers sign- or zero-extend.
6785 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6786 If pointers extend unsigned, use inside of SUBREG.
6787 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6789 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6791 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6792 subdir of gcc_gxx_include_dir.
6793 (gcc_gxx_target_include_dir): Remove.
6795 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6797 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6798 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6799 a high-level description.
6801 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6803 * final.c: Move the declaration of profile_label_no to ...
6804 * output.h: ... here.
6805 * function.c (expand_function_start): Call PROFILE_HOOK.
6806 * config/rs6000/aix.h: Define PROFILE_HOOK.
6807 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6808 * config/rs6000/rs6000.c (output_profile_hook): Define.
6809 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6810 output_profile_hook.
6811 tm.texi : Explain new macro PROFILE_HOOK.
6813 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6815 * extend.texi (Extended Asm): Do not say that semicolon is always
6816 a valid line-breaking character for GNU assemblers. Use
6817 newline-tab as the most commonly supported syntax. Use
6818 newline-tab rather than semicolon in multi-insn examples.
6820 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6822 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6824 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6825 David Edelsohn <edelsohn@gnu.org>
6827 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6828 code for AIX, even without flag_pic.
6830 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6832 * c-typeck.c (common_type): push and pop binding level around
6833 calling common_type on function parameters.
6835 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6837 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6839 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6841 * config/mips/mips.c (override_options): Fix typo in last change.
6842 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6843 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6845 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6847 * invoke.texi (-fdump-class-layout): Document.
6848 (-fdump-translation-unit): Use `=' as filename separator.
6850 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6852 * Makefile.in (s-mlib): Don't build multilibs if
6854 (DRIVER_DEFINES): Adjust accordingly.
6856 (protoize.o): Likewise.
6857 (unprotoize.o): Likewise.
6858 * configure.in: Recognize --enable-multilib.
6860 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6862 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6864 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6865 * configure.in: Remove --enable-libstdcxx_v3 support.
6866 * configure: Regenerated.
6868 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6870 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6871 Call abort instead of fatal.
6872 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6873 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6874 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6875 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6876 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6877 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6879 * diagnostic.h (set_internal_error_function): Renamed.
6880 * toplev.h (internal_error): Renamed from fatal.
6881 (pfatal_with_name): Deleted.
6882 (fatal_io_error): Now has printf-style arguments.
6883 * diagnostic.c (pfatal_with_name): Deleted.
6884 (fatal_io_error): Rework to have args in printf-style.
6885 (set_internal_error_function): Renamed from set_fatal_function.
6886 (internal_error): Renamed from fatal.
6887 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6888 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6889 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6890 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6891 * flow.c (verify_flow_info): Likewise.
6892 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6893 * config/mips/mips.c (save_restore_insns): Likewise.
6895 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6896 * flow.c (verify_flow_info): Likewise.
6897 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6898 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6899 (avr_normalize_condition): Likewise.
6900 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6901 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6902 (limit_reload_class, double_reg_to_memory): Likewise.
6903 (print_operand_address, emit_1600_code_shift): Likewise.
6904 (gen_tst_reg, gen_compare_reg): Likewise.
6905 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6906 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6908 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6910 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6911 * objc/objc-act.c (build_ivar_chain): Likewise.
6912 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6914 * graph.c (clean_graph_dump_file): Likewise.
6915 * profile.c (init_branch_prob): Likewise.
6916 * objc/objc-act.c (objc_init): Likewise.
6918 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6919 * config/avr/avr.c (avr_override_options): Likewise.
6920 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6921 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6922 * config/h8300/h8300.c (h8300_init_once): Likewise.
6923 * config/mips/mips.c (override_options): Likewise.
6924 * config/i386/i386.c (override_options): Likewise, rework.
6925 * config/m68k/m68k.c (override_options): Likewise.
6927 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6929 * config/mips/mips.c (print_operand): Likewise.
6930 * hash.c (hash_allocate): Don't check for failure returns from
6931 obstack functions that can't fail.
6932 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6933 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6934 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6935 (get_object_reference): Likewise.
6937 2001-02-04 Nick Clifton <nickc@redhat.com>
6939 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6940 StrongARM1110, 10TDMI, and 1020T.
6942 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6944 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6946 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6948 * config/sh/sh.md (movdf load split): Pass register number to
6949 FP_OR_XD_REGISTER_P.
6951 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6953 * cppinit.c (BC): New macro.
6954 (builtin_array): Add __GXX_WEAK__.
6955 * cpplib.h (builtin_type): Add BT_WEAK.
6956 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6957 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6958 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6960 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6962 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6964 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6966 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6967 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6969 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6971 * cpphash.h: Rename ALIGN _ALIGN.
6972 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6974 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6976 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6977 compilation environment.
6978 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6979 control over location of cygwin includes and libs.
6981 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6983 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6985 2001-02-02 lars brinkhoff <lars@nocrew.org>
6987 * md.texi (Standard Names): remove reference to spur.md.
6989 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6991 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6992 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6993 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6994 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6995 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6997 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6999 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7000 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7001 number before reload.
7002 (c4x_adjust_cost): Return zero before reload.
7003 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7004 split before reload.
7006 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7008 * c4x.c (c4x_hard_regno_rename_ok): New.
7009 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7010 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7012 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7014 * diagnostic.h: Add missing "extern" in all declarations.
7016 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7018 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7019 as for gcc_gxx_include_dir.
7021 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7023 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7025 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7027 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7028 label before alignment to be used as the braf base address.
7029 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7031 (casesi_jump_2): Require at least TARGET_SH2.
7033 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7034 truncation to 32-bit doubles on -m3e and -m4-single-only.
7036 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7038 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7039 the default when building a shared object.
7040 (init_spec): Use it.
7041 * testsuite/lib/g++.exp: Include the directory where libgcc
7042 is located to the LD_LIBRARY_PATH list.
7043 * invoke.texi (-shared-libgcc): Document the cases in which
7044 GCC defaults to using the shared libgcc.
7046 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7048 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7049 unsigned is wide enough.
7051 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7052 (si_to_float): Likewise.
7053 (float_to_si, float_to_usi): Use BITS_PER_SI.
7055 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7057 * dwarf2out.c: Added explanation of abbreviations.
7058 (def_cfa_1): Added comments listing DWARF2 instructions.
7059 (cfa_temp_reg): Removed in favor of cfa_temp.
7060 (cfa_temp_value): Removed in favor of cfa_temp.
7061 (cfa_temp): New global variable.
7062 (dwarf2out_frame_debug_expr): Added extensive introductory
7063 comments explaining the function's transformations. Revised to
7064 use cfa_temp. Added some rtx checking. Generalize IOR case.
7065 (dwarf2out_frame_debug): Revised to use cfa_temp.
7066 (output_aranges): Cast as "unsigned" to avoid warning.
7067 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7068 explain which instructions must be marked.
7070 2001-02-01 Richard Henderson <rth@redhat.com>
7072 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7075 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7077 * config/sh/crt1.asm (main_k): Modified so that start calls
7078 ___setup_argv_and_call_main.
7080 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7082 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7083 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7084 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7085 * cppmacro.c (builtin_macro): Set builtin flags here.
7086 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7087 (replace_args): Clarify intent.
7088 (cpp_get_token): Macro expansion tokens get the saved flags.
7090 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7093 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7095 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7098 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7100 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7101 returns Pmode pseudo, but we need ptr_mode.
7102 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7103 Remove bogus conversions; use HOST_WIDE_INT for size.
7104 Don't use TARGET if wrong mode.
7106 * config/i386/i386.c (ix86_compute_frame_size): Allow
7107 stack_alignment_needed to be non-default even if size is zero.
7109 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7111 * pa.c (hppa_init_pic_save): New function.
7112 * pa.h (hppa_init_pic_save): Declare.
7113 * pa.md (call, call_value, sibcall, sibcall_value): Use
7114 the above instead of duplicated code.
7116 * pa.c (hppa_encode_label): Correct size of alloca buffer
7117 so we don't overrun it. Correct leading `*' case.
7118 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7119 need to handle `*@'.
7120 (FUNCTION_NAME_P): Likewise.
7122 2001-01-31 Richard Henderson <rth@redhat.com>
7124 * config.gcc (alpha-osf5): Use float-i128.h.
7126 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7127 * config/float-i32.h: Likewise.
7128 * config/float-i64.h: Likewise.
7129 * config/float-sh.h: Likewise.
7130 * config/float-sparc.h: Likewise.
7132 2001-01-31 DJ Delorie <dj@redhat.com>
7134 * expmed.c (extract_bit_field): allow non-integral modes if we
7135 want to extract a whole register from itself.
7137 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7139 * c-typeck.c (set_init_index): If first is equal to last, assume as
7140 if it was not a range at all.
7142 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7144 * config/fp-bit.c: Include tm.h.
7145 (float_to_si): Don't assume SImode is 32-bits wide.
7146 (float_to_usi): Likewise.
7148 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7150 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7152 (typename): Call pending_xref_error after parsing typed_typespecs.
7153 * c-decl.c (lookup_tag): Give error immediately rather than
7154 leaving it pending if the tag of the wrong type is in the same
7156 (xref_tag): Don't pedwarn for forward declarations of enum types
7158 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7161 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7163 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7165 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7167 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7168 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7170 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7172 * cpphash.h (struct cpp_reader): New saved_flags.
7173 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7174 to avoid a paste after a pasted token.
7176 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7178 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7179 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7180 Wtype_MIN instead of LONG_MIN.
7182 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7184 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7186 * fixinc/fixincl.x: Regenerated.
7187 * fixinc/inclhack.def (irix_limits_const): New definition to
7188 convert "const" to "__const" in limits.h.
7190 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7192 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7194 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7196 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7197 when register dies in the insn.
7199 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7201 * diagnostic.c (fatal): Fix word wrap.
7203 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7205 * combine.c (try_combine): Fix SUBREG setting for
7206 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7208 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7210 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7213 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7215 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7217 * toplev.c (decode_W_option): Update warn_larger_than
7218 unconditionally for each processed switch.
7220 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7222 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7224 (hppa_expand_prologue): Delete code to save pic offset table register
7225 in the function prologue.
7226 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7227 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7228 table register at the beginning of the function after the prologue.
7230 2001-01-29 lars brinkhoff <lars@nocrew.org>
7232 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7234 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7235 Jeff Law <law@redhat.com>
7237 * pa.md (return): Revise comment for trivial return.
7238 (return_internal): Non-trivial return pattern for non-PIC code.
7239 (return_internal_pic): Non-trivial return pattern for PIC code.
7240 It uses the PIC register to ensure it is restored after
7242 (epilogue): Generate appropriate return for PIC and non-PIC code.
7244 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7246 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7248 2001-01-29 DJ Delorie <dj@redhat.com>
7250 * combine.c (if_then_else_cond): Pass the correct mode to
7251 operand_subword() for constants.
7253 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7255 * config/i386/cygwin.h: Add w32api to include search. Search different
7256 directories in a cross-build environment.
7258 2001-11-29 Tim Josling <tej@melbpc.org.au>
7260 * tree.h (TYPE_STUB_DECL): Add documentation.
7262 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7264 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7265 (sdbout_field_types): Likwise. Fix use of host_integerp.
7267 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7269 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7272 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7274 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7275 to use flag_gnu_linker.
7277 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7279 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7280 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7282 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7284 * tree.c, tree.h (build_parse_node): Remove; was identical to
7286 * c-lang.c (start_cdtor), objc/objc-act.c
7287 (build_module_descriptor): Use build_nt instead of
7290 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7292 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7293 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7294 not have any upper bits set.
7296 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7298 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7300 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7302 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7304 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7306 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7307 (integer_minus_one_node): Define.
7309 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7311 * Makefile.in (bootstrap2-lean): Fix typo.
7313 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7315 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7316 : Don't set fe_value.
7317 * cpplib.h (AVOID_LPASTE): New flag.
7318 (struct cpp_hashnode): Remove fe_value.
7319 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7320 * cppmacro.c (builtin_macro): Don't set flags here.
7321 (replace_args): Set AVOID_LPASTE flag on first token of an
7322 argument, and the token following it.
7323 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7324 macro expansion, and on the token following it. Do it for
7326 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7328 2001-01-27 Richard Henderson <rth@redhat.com>
7330 * config/alpha/t-ieee: Remove multilibbing.
7331 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7333 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7335 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7337 * Makefile.in: Remove all dependencies on defaults.h.
7338 * builtins.c: Don't include defaults.h.
7339 * c-common.c: Likewise.
7340 * c-decl.c: Likewise.
7341 * c-pragma.c: Likewise.
7342 * c-typeck.c: Likewise.
7343 * combine.c: Likewise.
7345 * frame-ia64.c: Likewise.
7346 * cppexp.c: Likewise.
7347 * crtstuff.c: Likewise.
7348 * dbxout.c: Likewise.
7349 * dwarf2out.c: Likewise.
7350 * dwarfout.c: Likewise.
7351 * emit-rtl.c: Likewise.
7352 * except.c: Likewise.
7354 * final.c: Likewise.
7355 * frame-dwarf2.c: Likewise.
7356 * libgcc2.c: Likewise.
7357 * optabs.c: Likewise.
7358 * profile.c: Likewise.
7359 * sdbout.c: Likewise.
7360 * toplev.c: Likewise.
7361 * tradcif.y: Likewise.
7363 * varasm.c: Likewise.
7365 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7367 * builtins.c (expand_builtin_fputs): Use size_one_node when
7368 transforming into fwrite.
7370 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7372 * extend.texi (Attribute Syntax): New section.
7374 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7376 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7377 they didn't need fixing.
7379 2001-01-27 Janis Johnson <janis@us.ibm.com>
7381 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7383 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7384 to remove macro definitions that are duplicated from elfos.h.
7386 2001-01-27 Richard Henderson <rth@redhat.com>
7388 * config/i386/sco5gas.h: Move ...
7389 * config/usegas.h: ... here.
7390 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7392 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7394 * c-typeck.c (struct constructor_stack): Add range_stack member.
7395 (really_start_incremental_init): Clear it.
7396 (push_init_level): Save constructor_range_stack and clear it if
7397 pushing explicit braces.
7398 (pop_init_level): abort if constructor_range_stack is non-zero at
7399 explicit closing brace. Restore saved constructor_range_stack if
7402 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7404 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7405 into register was forced into memory.
7407 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7409 * Makefile.in: Remove uses of + before $(MAKE).
7411 2001-01-26 Richard Henderson <rth@redhat.com>
7413 * stmt.c (cost_table): Remove.
7414 (COST_TABLE, cost_table_initialized): New.
7415 (estimate_case_costs): Use the later instead of the former.
7416 (balance_case_nodes): Likewise.
7418 2001-01-26 Richard Henderson <rth@redhat.com>
7420 * alias.c (objects_must_conflict_p): Read-only slots may not
7421 conflict despite having the same type.
7423 2001-01-27 Michael Hayes <mhayes@redhat.com>
7425 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7427 (check_ext_dependant_givs): Initialise u_start_val and
7429 (load_mems): Make last_max_reg unsigned.
7430 (try_swap_copy_prop): Use INSN_P and initialise set.
7432 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7434 * README.AVR : Removed.
7436 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7438 * pa-64.h (text_section): Remove declaration.
7440 * pa.md (return_internal): Remove mode on PIC register use.
7442 2001-01-25 lars brinkhoff <lars@nocrew.org>
7444 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7445 ASM_CLOSE_PAREN): fix typos.
7447 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7449 * acconfig.h: Define `const' to the empty string if neither
7450 __STDC__ nor __cplusplus is defined.
7451 * config.in: Regenerated.
7453 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7455 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7456 * collect2.c (main): Delete importf. Add ".obj" file extension.
7457 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7458 (aix_std_libs): Add additional AIX libraries to skip.
7459 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7460 * config/rs6000/aix51.h: New file.
7462 2001-01-25 Michael Hayes <mhayes@redhat.com>
7464 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7465 (loop_insn_emit_before): No longer static.
7466 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7467 (loop_givs_rescan, load_mems): Likewise.
7468 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7469 (maybe_eliminate_biv_1):
7470 (move_movables): Replace emit_call_insn_before with
7471 loop_call_insn_hoist.
7472 * loop.h (loop_insn_emit_before): Add.
7473 * unroll.c (copy_loop_body): Replace emit_insn_before with
7474 loop_insn_emit_before.
7476 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7478 * diagnostic.c (fatal): Request preprocessed source.
7480 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7482 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7483 olddecl has argument types and newdecl has none, use the argument
7486 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7488 * dwarf2out.c (prefix_of): New function. Determine longest common
7489 prefix of the two arguments. The units are whole path components.
7490 (output_file_names): When adding a new directory find the one entry
7491 with the longest common prefix already in the list. Artificially
7492 generate entry if there is none for this prefix.
7493 Fix test to check whether the zeroth directory entry is used.
7495 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7497 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7498 Changed all callers. Take it into account when deciding if a
7499 previously loaded value matches.
7501 2001-01-24 Richard Henderson <rth@redhat.com>
7503 * reload.c (find_reloads_subreg_address): Fail the substitution
7504 if the resulting address is insufficiently aligned.
7506 2001-01-24 DJ Delorie <dj@redhat.com>
7508 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7509 check the original operand's mode also.
7510 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7512 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7514 * c-parse.in (cast_expr): Move compound literals from here ...
7515 (primary): ... to here. Use standard terminology "compound
7516 literal" instead of "constructor expression".
7518 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7520 * gcc.1, cpp.1: Regenerate.
7522 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7524 * calls.c (emit_library_call_value_1): Memory slot for
7525 pass-by-reference argument should have the mode of the argument,
7526 not of the pointer to it.
7528 2001-01-24 Tom Tromey <tromey@redhat.com>
7530 * gcc.texi (G++ and GCC): Mention gcj manual.
7531 (Standards): Link to section of manual mentioning gcj/Java
7534 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7536 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7537 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7538 * tradcpp.c (main): Add -imacros or -include'd dependencies
7540 * cpp.texi (-M, -MM): Document -M -include behaviour.
7542 2001-01-24 Roger Collins <roger@ProProject.com>
7544 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7546 2001-01-24 Will Cohen <wcohen@redhat.com>
7548 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7549 whether registers are 32 bits or 64 bits in size.
7551 2001-01-24 Ben Elliston <bje@redhat.com>
7553 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7555 2001-01-24 Richard Henderson <rth@redhat.com>
7557 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7558 (builtin_longjmp): Use it instead of emit_indirect_jump.
7560 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7562 * bb-reorder.c (make_reorder_chain_1): Handle case where
7563 jump edge goes to the same block as the fallthru edge.
7565 2001-01-23 Jim Wilson <wilson@redhat.com>
7567 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7568 * frame.h (__ia64_personality_v1): Add prototype.
7569 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7570 prototype form. Add void * cast to first argument to personality
7572 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7573 (asctoe113): Likewise.
7574 * config/ia64/frame-ia64.c: Include eh-common.h.
7575 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7577 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7579 (itanium_split_issue): Add prototype.
7580 (gen_nop_type): Ifdef out.
7581 (find_best_packet): Initialize best_packet.
7582 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7584 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7585 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7586 (flushrs): Add explicit stop bit at end.
7587 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7590 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7592 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7594 * libgcc2.c (__terminate_func): Make variable static.
7595 (__terminate_set_func): New function to set __terminate_func.
7596 * libgcc2.h (__terminate_func_ptr): New typedef.
7597 (__terminate_set_func): New function.
7599 2001-01-23 Richard Henderson <rth@redhat.com>
7601 * flow.c (init_propagate_block_info): Don't consider unchanging
7602 memories for dead frame store elimination.
7604 2001-01-23 Richard Henderson <rth@redhat.com>
7606 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7607 * defaults.h: ... here.
7609 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7611 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7613 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7615 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7617 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7619 * rs6000.h (rs6000_return_addr): Move prototype from here...
7620 * rs6000-protos.h (rs6000_return_addr): ...to here.
7621 (rs6000_init_expanders): Delete prototype.
7623 2001-01-23 Nick Clifton <nickc@redhat.com>
7625 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7626 (Spec Files): Document %B and %j and %. and %v3 and %M and
7627 %{S*&T} spec switches.
7629 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7631 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7633 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7634 Neil Booth <neil@daikokuya.demon.co.uk>
7636 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7637 Have -Werror make pedantic warnings errors, like the
7640 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7642 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7644 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7646 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7647 * integrate.c (expand_inline_function): Initialize them.
7648 (subst_constants): If changing COMPARE so that both its arguments
7649 will be VOIDmode and the comparison mode will be lost, note
7650 compare_mode. Use the recorded compare_mode to optimize
7653 2001-01-23 Jason Merrill <jason@redhat.com>
7655 * dwarf2out.c (new_die): Use xcalloc.
7656 (output_die): Abort rather than emit a local reference to offset 0.
7658 2001-01-17 Andrew Haley <aph@redhat.com>
7660 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7661 of a saved register; return NULL instead.
7662 (copy_reg): Take a pointer to a source register rather than a
7664 (next_stack_level): Remember the address in the stack frame of all
7666 Use the saved register pointer array as the source of the CFA.
7667 (throw_helper): Rewrite. Unwind once rather than twice and keep
7668 track of saved registers as we go.
7670 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7672 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7673 * c4x.c (c4x_legitimize_reload_address): Remove.
7674 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7675 reload address for ldp(k) insn.
7677 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7679 * pa.md (return_internal): Add a USE of the PIC register to ensure
7680 it is restored after each call.
7681 (return expander): Corresponding changes.
7683 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7685 * rs6000.h (INIT_EXPANDERS): Delete.
7686 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7687 * rs6000.c (rs6000_override_options): Call *_machine_status from
7689 (rs6000_init_expanders): ...instead of here. Delete.
7690 (rs6000_mark_machine_status): New function.
7691 (rs6000_init_machine_status): Use xcalloc.
7692 (rs6000_return_addr): Generate RTX for the return address.
7693 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7694 (rs6000_stack_info): Use it.
7696 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7698 * gthr-win32.h: Include errno.h to get a declaration for
7699 EINVAL and _mingw.h if the target is mingw32.
7701 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7703 * cpp.texi: Correct typos.
7705 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7707 * explow.c (probe_stack_range): Ensure value passed to
7708 stack_check_libfunc is ptr_mode, not Pmode.
7710 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7712 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7713 case, don't use operand_subword to calculate a SUBREG that is
7716 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7718 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7720 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7721 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7722 valid. If not replace it by equivalent insns.
7724 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7726 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7727 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7728 (c4x_U_constraint, symbolic_address_operand): Likewise.
7729 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7731 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7732 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7733 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7734 anulling slot because of silicon bug.
7735 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7737 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7739 * cppexp.c (parse_charconst): Change `mask' type to agree
7742 2001-01-21 Richard Henderson <rth@redhat.com>
7744 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7745 pic_label_name in a linkonce section.
7747 2001-01-17 Philipp Thomas <pthomas@suse.de>
7749 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7751 * configure: Regenerate.
7753 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7755 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7756 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7758 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7760 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7761 If REVERSE nonzero then condition code in X must be reversed.
7762 (encode_section_info): Optimise if/else.
7763 (avr_function_value): Fix formatting.
7765 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7766 (difficult_branch): Likewise.
7767 (rvbranch): Likewise.
7768 (difficult_rvbranch): Likewise.
7770 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7772 * config/avr/libgcc.S: Fix comment.
7774 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7776 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7778 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7780 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7782 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7784 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7785 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7786 * configure, config.in: Regenerate.
7787 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7788 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7789 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7790 (doprint.o): New rule.
7792 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7794 * c-typeck.c (digest_init): Handle boolean types as scalars.
7796 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7798 * stmt.c (expand_return): Don't return anything if size is zero.
7799 Delete redundant assignment to BYTES.
7800 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7802 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7804 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7805 the same as the default library function names.
7806 * config/avr/avr.md: Document special characters after '%'.
7807 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7808 knowing which of the call-used registers are really clobbered.
7809 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7810 New. Both quotient and remainder from one libgcc.S call.
7811 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7812 clobber as few registers as possible.
7813 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7815 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7817 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7818 context of the top of the stack.
7820 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7822 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7823 (fixup_var_refs_insns): ...here.
7825 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7827 * function.c (fixup_var_refs_insns): Break up into
7828 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7829 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7830 [loop over hash table entries].
7831 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7832 fixup_var_refs_insns_with_hash, to match above changes.
7834 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7836 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7837 (libgcc.a): Likewise.
7838 (stmp-multilib): Likewise.
7839 (STAGE2_FLAGS_TO_PASS): Likewise.
7841 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7843 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7844 temporary if no_new_pseudos.
7846 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7848 * cppinternals.texi: Update.
7850 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7852 * arm.c (arm_init_builtins): Re-enable builtins.
7854 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7856 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7857 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7858 element to be null, and always expect an EXPR_LIST.
7859 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7860 * sched-deps.c (sched_analyze_1): Likewise.
7861 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7863 * regclass.c (max_set_parallel): New variable.
7864 (reg_scan): Take it into account in computation of max_parallel.
7865 (reg_scan_mark_refs, case SET): Compute it.
7867 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7869 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7870 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7872 2001-01-19 Jason Merrill <jason@redhat.com>
7874 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7875 for the abstract instance of an inline function.
7877 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7878 J"orn Rennecke <amylaar@redhat.com>
7880 * reload1.c (move2add_note_store): Treat all registers directly or
7881 indirectly derived from a base register as members of the same set
7883 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7884 of base register into account.
7886 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7888 * alias.c (find_base_value): Recognize TRUNCATE.
7889 (record_set): In PLUS case, invalidate if other summand is also a
7892 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7894 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7895 entry to be EXPR_LIST.
7896 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7897 be an EXPR_LIST (but not null, which other code doesn't allow).
7898 (note_stores): Properly handle PARALLEL in SET.
7899 Recursively call for top-level PARALLEL.
7900 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7901 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7903 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7905 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7907 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7908 not pfile->skipping (== 0).
7910 2001-01-17 Nick Clifton <nickc@redhat.com>
7912 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7915 2001-01-17 Jim Wilson <wilson@redhat.com>
7917 * invoke.texi (IA-64 options): Improve.
7919 2001-01-17 Tom Tromey <tromey@redhat.com>
7921 * invoke.texi (Optimize Options): Use `{}' to around @samp
7924 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7926 * invoke.texi (-fno-guess-branch-probability): New option.
7928 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7930 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7931 case of making new double-word constant.
7932 Revert last change: instead just test i3_subst_into_i2.
7934 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7936 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7937 Use q constraints instead of r.
7939 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7941 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7942 (machine_function): Define.
7943 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7944 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7945 pa_free_machine_status): New functions.
7946 (override_options): Set {init,mark,free}_machine_status to above.
7947 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7948 PIC_OFFSET_TABLE_REGNUM_SAVED.
7949 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7950 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7951 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7952 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7953 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7955 2001-01-15 DJ Delorie <dj@redhat.com>
7957 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7961 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7963 * flow.c (propagate_on_insn): Make trying to delete a prologue
7964 or epilogue insn an ICE, not a warning. Allow doing this if
7965 the current function returns with stack pointer depressed.
7967 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7968 I3 having more than one SET.
7970 2001-01-16 Jim Wilson <wilson@redhat.com>
7972 * invoke.texi: Document IA-64 options.
7974 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7975 (fixup_errata): Delete TARGET_A_STEP use.
7976 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7977 (TARGET_SWITCHES): Delete -ma-step option.
7978 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7979 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7980 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7981 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7982 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7983 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7985 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7986 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7987 cmovsi_internal): Delete ! TARGET_A_STEP check.
7989 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7991 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7992 possibility to report bugs via postal mail. Change a URL and
7993 merge in a nearly duplicate statement...
7994 (Bug Reporting): ...from here.
7995 (Service): Refer to the Bug Reporting section instead of
7997 (Contributing): Remove trivial explanations concerning snapshots.
7999 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8001 * cppmain.c (general_init): Don't use ANSI prototype.
8003 2001-01-16 Tom Tromey <tromey@redhat.com>
8005 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8007 2001-01-16 Richard Henderson <rth@redhat.com>
8009 * config/i386/i386.h: Fix comment typo.
8010 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8011 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8013 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8015 * gcc.c: Revert previous -fsyntax-only-related change; move
8018 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8020 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8021 inmode after checking GET_CODE (op).
8023 2001-01-16 Richard Henderson <rth@redhat.com>
8025 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8026 (MAX_MEM_SET_LIST_LEN): New.
8027 (propagate_one_insn): Update mem_set_list_len.
8028 (invalidate_mems_from_autoinc): Likewise.
8029 (invalidate_mems_from_set): Likewise.
8030 (mark_used_regs): Likewise.
8031 (init_propagate_block_info): Likewise. Stop collecting memories
8032 when we reach MAX_MEM_SET_LIST_LEN.
8033 (mark_set_1): Likewise.
8035 2001-01-16 Richard Henderson <rth@redhat.com>
8037 * unroll.c (precondition_loop_p): Fail if no iteration
8040 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8042 * gcc.c: When -fsyntax-only is given, do not complain about
8045 2001-01-15 Richard Henderson <rth@redhat.com>
8047 * config/i386/i386.c (asm_output_function_prefix): Remove.
8048 (ix86_asm_file_end): New.
8049 (load_pic_register): Generate pic_label_name into a
8050 staticly allocated buffer.
8051 * config/i386/i386-protos.h: Update.
8052 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8053 (ASM_FILE_END): New.
8054 * config/i386/i386afe.h: New file.
8055 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8056 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8057 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8058 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8059 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8060 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8061 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8063 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8065 * Makefile.in (install-man): Remove explicit dependency on
8068 * configure.in, configure: Revert previous patch requiring perl
8071 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8073 * toplev.c (flag_guess_branch_prob): New.
8074 (f_options): Add guess-branch-probability option.
8075 (rest_of_decl_compilation): Only estimate branch probability if
8077 (main): set flag_guess_branch_prob.
8079 * flags.h (flag_guess_branch_prob): New.
8081 2001-01-15 DJ Delorie <dj@redhat.com>
8083 * gcc.texi (Makefile): Add documentation for Makefile targets.
8085 2001-01-15 Philip Blundell <philb@gnu.org>
8087 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8089 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8090 (is_pic): Delete declaration.
8091 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8092 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8093 * config/arm/arm.md (builtin_setjmp_receiver): New.
8095 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8097 * arm.c (use_return_insn): Don't try to determine the function type
8098 until after reload has completed.
8099 (arm_output_epilogue): Don't adjust the sp value recovered from the
8101 (emit_multi_reg_push): Don't record dwarf information for the pc.
8102 * arm.md (eh_epilogue): The function type may have changed, so it
8103 needs to be recalculated.
8104 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8105 unwind tables on arm/netbsd.
8107 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8109 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8110 (negated_cbranchsi4): Likewise.
8112 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8114 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8115 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8116 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8117 pass -mapcs-* options to assembler.
8118 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8119 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8120 (ASM_SPEC): Call subtarget_extra_asm_spec.
8122 2001-01-15 Andreas Jaeger <aj@suse.de>
8124 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8126 (ix86_expand_builtin): Likewise.
8128 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8129 warning about comparison between signed and unsigned.
8131 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8133 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8135 2001-01-14 Ralf Baechle <ralf@gnu.org>
8137 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8138 SUBTARGET_CPP_SPEC apropriatly.
8140 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8142 * varasm.c (make_decl_rtl): Fix typo in last change.
8144 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8146 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8147 linker supports the init_priority C++ attribute.
8148 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8149 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8150 linker does not support init_priority C++ attribute.
8152 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8154 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8156 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8158 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8159 * cp/lex.c (finish_parse): Similarly.
8160 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8161 Return the number of errors encountered.
8162 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8163 * cppmain.c (main): Don't call cpp_destroy.
8165 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8167 * configure.in: Require at least perl 5.6.0 to regenerate
8169 * configure: Regenerate.
8171 2001-01-14 Richard Henderson <rth@redhat.com>
8173 * genrecog.c (DT_veclen_ge): New.
8174 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8175 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8176 (nodes_identical_1): Handle DT_veclen_ge.
8177 (write_cond, debug_decision_2): Likewise.
8179 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8181 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8183 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8185 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8187 * cppmain.c (do_preprocessing): New function; most of the old
8189 (main): Call it to do most of the work.
8190 (cb): Move from global scope to set_callbacks ().
8191 (setup_callbacks): Get the callback pointer.
8192 (general_init, printer_init): Clean up code and comments.
8194 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8196 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8199 2001-01-14 Kazu Hirata <kazu@hxi.com>
8201 * config/h8300/h8300.c (get_shift_alg): Update comments.
8203 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8205 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8206 (alloc_page, ggc_alloc): Add casts to remove warnings.
8208 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8210 * combine.c (simplify_comparison): Don't change `code' when
8211 can't reverse comparison.
8213 2001-01-14 Richard Henderson <rth@redhat.com>
8215 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8216 update all call sites. Return true for all non-label constants.
8218 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8220 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8222 (ix86_expand_branch): Update.
8223 (ix86_expand_setcc): Update to handle multiple test conditions.
8224 (expand_int_movcc): Likewise.
8225 (expand_fp_movcc): Likewise.
8226 * i386-protos.h (ix86_expand_compare): New.
8227 * i386.md (andqi_?_slp, orqi_?_slp): New.
8228 (conditional trap expander): Update call to ix86_expand_compare.
8230 2001-01-14 Richard Henderson <rth@redhat.com>
8232 * config/vax/vax.md: Use nonimmediate_operand instead of
8233 general_operand in destinations.
8235 * config/vax/vax.md (indirect_jump): Use register_operand.
8237 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8238 * config/vax/vax.md (call_pop): Turn into an expander.
8239 (call_value_pop): Likewise.
8240 (call, call_value): New.
8242 2001-01-14 Andreas Jaeger <aj@suse.de>
8244 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8246 (ix86_fp_compare_mode): Add unused attribute.
8247 (ix86_expand_fp_movcc): Remove unused variable.
8248 (ix86_expand_builtin): Make fcode unsigned.
8250 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8251 (expand_expr): Add cast to avoid signed warning.
8252 (store_field): Likewise.
8253 (store_constructor_field): Likewise.
8254 (store_constructor): Likewise.
8255 (store_expr): Likewise.
8256 (clear_storage): Likewise.
8257 (emit_group_store): Likewise.
8258 (emit_group_load): Likewise.
8260 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8262 * c-common.c: Move format checking code to ...
8263 * c-format.c: ... here. New file. Reorder some functions and
8265 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8267 * c-common.h (decl_handle_format_attribute,
8268 decl_handle_format_arg_attribute): Declare.
8269 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8270 (c-common.o): Adjust dependencies.
8271 (c-format.o): New list of dependencies.
8273 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8275 * unroll.c (loop_iterations): If we cannot prove iteration variable
8276 is set once in each iteration, punt.
8278 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8280 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8281 (*strlenhi): Remove clobber (which was buggy) of output address.
8283 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8285 * Makefile.in (generated-manpages): Add gcc.1
8286 ($(srcdir)/gcc.1): New target.
8287 (maintainer-clean): Delete $(srcdir)/gcc.1.
8288 * gcc.texi: Add macros @gccoptlist and @gol.
8289 * invoke.texi: Include option summary in manpage. Mark up option
8290 summary with @gccoptlist and @gol. Use @r in one place where
8292 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8293 * gcc.1: Generate from invoke.texi.
8295 2001-01-13 Richard Henderson <rth@redhat.com>
8297 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8298 (struct page_entry): Add group member.
8299 (struct page_group): New.
8300 (struct globals): Add page_groups member.
8301 (alloc_anon): Only define for using mmap; remove valloc call.
8302 (page_group_index): New.
8303 (set_page_group_in_use): New.
8304 (clear_page_group_in_use): New.
8305 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8306 (free_page, release_pages): Likewise.
8307 * configure.in (with-gc): Default to ggc-page always.
8309 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8311 * reload1.c (replace_pseudos_in_call_usage): Use
8312 reg_equiv_constant and reg_equiv_address, and don't try
8313 regno_reg_rtx first.
8315 2001-01-13 Richard Henderson <rth@redhat.com>
8317 * ggc-page.c (alloc_page): Round up allocation size to one page.
8318 Set e->order on extra pages.
8320 2001-01-13 Richard Henderson <rth@redhat.com>
8322 * genrecog.c (nodes_identical): Expand commentary.
8323 (write_switch): Watch out for identical nodes.
8325 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8327 * cppfiles.c (_cpp_fake_include): New function.
8328 * cpphash.h (_cpp_fake_include): New.
8329 * cpplib.c (do_line): Call _cpp_fake_include when entering
8330 header files in preprocessed input.
8331 * cppmain.c (cb_pragma_implementation): Remove handling.
8332 (setup_callbacks): Don't register pragmas.
8334 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8336 * extend.texi: Udate for CPP.
8338 2001-01-13 Andreas Jaeger <aj@suse.de>
8340 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8342 * regmove.c: Add prototype for replace_in_call_usage.
8344 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8346 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8347 struct cpp_chunk, struct htab, struct toklist,
8348 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8349 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8350 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8351 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8352 (struct macro_args): Delete.
8353 * cpphash.h: See above.
8355 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8357 * cppmain.c (struct printer): Remove no_line_dirs.
8359 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8360 : Use options rather than CPP_OPTION.
8361 (setup_callbacks): Use cb rather than pfile->cb.
8362 (main): No need to check for a buffer. Use cpp_errors.
8363 (printer_init): Don't set no_line_dirs.
8364 (maybe_print_line): Use options not no_line_dirs.
8365 (cb_file_change): Don't call print_line if -P.
8367 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8369 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8371 * c-parse.in (finish_parse): Use cpp_errors.
8372 (__yylex): Use return value of cpp_pop_buffer.
8373 * cp/lex.c (finish_parse): Use cpp_errors.
8374 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8376 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8378 * README.AVR: URLs corrected.
8380 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8382 * c-decl.c (start_function): Don't warn if old prototype is builtin
8383 that's not in C's namespace.
8384 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8385 (_bb): Add prototype for ctime.
8386 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8388 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8390 * i386.c (ix86_fp_comparison_arithmetics_cost,
8391 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8392 ix86_fp_comparison_cost): New functions.
8393 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8394 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8395 two-branch sequences; make static.
8396 (ix86_use_fcomi_compare): Do decision according to the costs.
8397 (split_fp_branch): New.
8398 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8399 * i386-protos.h (ix86_expand_fp_compare): Remove
8400 (ix86_split_fp_branch): Declare.
8402 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8403 and ix86_comparison_operator.
8405 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8408 * i386.c (put_condition_code): Output properly the unordered/ordered
8409 compares in fp case.
8410 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8412 * tm.texi (REVERSE_CONDITION): Document.
8413 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8414 in -ffast-math mode.
8415 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8417 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8419 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8421 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8424 * config/sh/sh.c (mova_p): Fix test for mova_const.
8426 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8428 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8429 cpp_get_options rather than dereferencing pfile and using
8431 * scan-decls.c (scan_decls): Use return value of
8432 cpp_pop_buffer rather than CPP_BUFFER.
8434 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8436 * cppinit.c (cpp_handle_option): help_only is now part of the
8437 cpp_options structure.
8438 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8439 cpp_set_callbacks): New functions.
8440 * cpplib.h (cpp_callbacks): Break out as a named structure.
8441 (cpp_options): Move help_only here from cpp_reader.
8442 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8443 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8444 cpp_set_callbacks): New prototypes.
8445 * cppmain.c (main): Update for help_only.
8447 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8449 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8450 Also build and remove and install and uninstall c-tree.info and
8452 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8453 ($(srcdir)/cppinternals.info): New target.
8454 * c-tree.texi: Change file name used when makeinfo used without -o
8455 from ir.info to c-tree.info. Add info directory entry.
8456 * cppinternals.texi: Add info directory entry.
8457 * .cvsignore: Update.
8459 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8461 * c-typeck.c (store_init_value): Don't require constant initializer
8462 elements with -pedantic -std=c99.
8463 (digest_init): Change error about non-constant initializer elements
8465 (constructor_range_end): Remove.
8466 (constructor_incremental, designator_depth,
8467 designator_errorneous): New variables.
8468 (struct constructor_stack): Remove range_end, add incremental.
8469 (struct constructor_range_stack, constructor_range_stack): New.
8470 (struct initializer_stack): Add constructor_range_stack.
8471 (finish_init): Set it.
8472 (start_init): Likewise. require_constant_elements for non-static
8473 trees only if not flag_isoc99.
8474 (really_start_incremental_init): Remove constructor_range_end, add
8475 constructor_incremental.
8476 (pop_init_level): Likewise.
8477 (push_init_level): Likewise. If implicit and the subobject had some
8478 value set already, preinitialize the level with it.
8479 Warn about missing braces only if not pushing due to designators.
8480 (set_designator, push_range_stack): New functions.
8481 (set_init_label): Use them.
8482 (set_init_index): Likewise. Remove constructor_range_end.
8483 Error if designator index is outside of array bounds.
8484 (add_pending_init): Compare values of purpose index trees, not the
8485 trees themselves. Allow overwriting of already initialized element.
8486 Issue a warning if it had side-effects.
8487 (set_nonincremental_init, set_nonincremental_init_from_string): New
8489 (pending_init_member): Rename to...
8490 (find_init_member): ...this function. Call set_nonincremental_init
8491 if necessary. Compare values of purpose index trees, not the trees
8492 themselves. Return the actual value, not just non-zero if something
8494 (output_init_element): Remove checks for duplicates.
8495 If field has zero size, only check the initializer for correctness.
8496 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8497 if constructor_incremental is zero. Change error about initializers
8498 not computable at load time into pedwarn.
8499 (output_pending_init_elements): Compare bit positions, not
8500 FIELD_DECLs to take into account zero-sized fields.
8501 (process_init_element): Use constructor_range_stack to fill all
8502 ranges in the designator lists from current level up.
8503 * extend.texi: Update documentation for labeled elements.
8505 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8507 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8508 to function usage for arguments passed by reference. Optimize
8509 callee-copied arguments.
8510 * regmove.c (replace_in_call_usage): New function.
8511 (fixup_match_1): Call it.
8512 * cse.c (cse_insn): Canonicalize registers in function usage.
8513 * reload1.c (replace_pseudos_in_call_usage): New function.
8516 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8519 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8521 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8524 2001-01-12 DJ Delorie <dj@redhat.com>
8526 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8527 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8530 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8532 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8533 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8534 -std options alongside references to -ansi. Update some
8535 documentation for C99.
8536 * cpp.1: Regenerate.
8538 2001-01-12 Andreas Jaeger <aj@suse.de>
8540 * haifa-sched.c (restore_line_notes): Remove argument block B
8542 * sched-ebb.c (schedule_ebb): Change caller.
8543 * sched-rgn.c (schedule_region): Likewise.
8544 * sched-int.h (restore_line_notes): Adjust prototype.
8546 * loop.h: Remove wrong declaration of doloop_condition_get.
8548 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8550 * extend.texi: Move C++-extension-related node from the C section
8551 into the C++ section.
8553 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8555 * extend.texi: Refer to an array of pointers to functions instead
8556 of one of functions.
8558 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8559 Jan Hubicka <jh@suse.cz>
8561 * combine.c (reversed_comparison): Fix typo in last patch.
8563 (combine_reversed_comparison_code): Make static to follow
8564 prototype declaration.
8566 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8568 * install.texi: Remove misplaced duplicate entry.
8570 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8572 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8574 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8576 * final.c: (leaf_function_p): Fix typo.
8578 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8580 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8581 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8583 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8584 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8585 mmap_anon, and valloc is available.
8586 * ggc-page.c: Restructure ifdef logic to match new autoconf
8587 spec. Don't throw away the test page in init_ggc.
8589 * configure, config.in: Regenerate.
8591 2001-01-12 Michael Hayes <mhayes@redhat.com>
8593 * loop.h (total_biv_increment): Constify iv_class pointer.
8594 (struct induction): Replace `mem_mode' with `mem' rtx.
8595 * unroll.c (total_biv_increment): Constify iv_class pointer.
8596 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8597 (find_mem_givs, combine_givs_p): Likewise.
8598 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8600 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8602 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8604 (__gthread_getspecific): Ditto.
8606 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8608 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8609 put_condition_code): Convert fp comparison codes to integer
8611 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8614 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8615 * i386-protos.h (no_comparison_operator): Kill.
8617 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8619 * combine.c (REVERSIBLE_CC_MODE): Remove.
8620 (reversible_comparison_p): Remove.
8621 (combine_reversed_comparison_code): New.
8622 (reversed_comparison): New.
8623 (combine_simplify_rtx): Use
8624 combine_reversed_comparison_code/reversed_comparison instead
8625 of reversible_comparison_p.
8626 (simplify_if_then_else): Likewise.
8627 (simplify_set): Likewise.
8628 (simplify_logical): Likewise.
8629 (if_then_else_cond): Likewise.
8630 (known_cond): Likewise.
8631 (simplify_comparison): Likewise.
8633 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8635 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8636 sizeof (int) is larger than sizeof(__word__).
8638 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8640 * cppinit.c (do_includes): Fix typo.
8642 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8644 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8645 in S_REGS does not occur because not all sources are possible
8646 when a S_REGS is a destination (sometimes needs a clobber).
8647 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8648 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8649 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8650 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8651 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8652 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8653 (lshrdi_const1, lshrsi3_const16): Likewise.
8654 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8655 (*movhi_68hc12, *movqi_68hc12): Likewise.
8656 (movstrictqi): Make sure reloading in D_REGS as a destination
8659 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8661 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8663 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8665 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8666 -D, -U and -A, and don't initialize the builtins.
8667 (do_includes): Error if -include or -imacros with -fpreprocessed.
8668 * cppmain.c (cb_define, cb_undef): Unconditionally process
8670 * tradcpp.c (main): Fix typo.
8672 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8674 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8675 (read_name_map): Use IS_ABSOLUTE_PATH.
8676 * tradcpp.c (get_filename): Likewise.
8678 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8680 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8681 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8682 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8683 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8684 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8685 (cmphi_z_used): Don't use '@' for the output.
8686 (tstqi_z_used): Likewise.
8687 (cmpqi_z_used): Likewise.
8688 (one_cmplsi2): Likewise.
8690 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8692 * config/sh/sh.c (barrier_align): Recognize branch around far
8693 branch and redundant insn.
8695 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8697 * invoke.texi: Restore documentation of the drivers' switches -MD
8700 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8702 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8704 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8705 check-objc//%): Support parallel testing of multilibs.
8706 (TESTSUITEDIR): Set to testsuite by default, but override for
8708 (check-gcc, check-g++, check-g77, check-objc): Enter
8711 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8713 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8714 * sched-deps.c (deps_may_trap_p): Likewise.
8715 * basic-block.h: Remove a comment.
8716 * flow.c (PROP_POSTRELOAD): Remove.
8717 (update_life_info): Don't add it to prop_flags.
8718 (mark_set_1): Lose the code that was enabled by it.
8720 2001-01-11 Michael Hayes <mhayes@redhat.com>
8722 * flow.c (flow_call_edges_add): New.
8723 * basic_block.h (flow_call_edges_add): New.
8725 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8727 * reload1.c (move2add_note_store): Update reg_set_luid even if
8728 base reg remains the same.
8730 2001-01-10 Nick Clifton <nickc@redhat.com>
8732 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8733 machine_function structure to zero.
8734 Add prototypes for machine_status functions.
8736 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8738 * c-common.h (CTI_VOID_LIST): Remove.
8739 (void_list_node): Likewise.
8740 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8741 (void_list_node): New macro.
8742 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8743 * config/i386/i386.c (ix86_init_builtins): Likewise.
8744 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8746 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8748 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8749 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8751 * tradcpp.c: Include mkdeps.h.
8752 (deps, print_deps_phony_targets, deps_append, output_deps,
8753 init_dependency_output, output_deps): New.
8754 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8755 deps_output): Delete.
8756 (print_deps_missing_files): Rename deps_missing_files.
8757 (inhibit_output): Make global.
8758 (main): Delete inhibit_output, deps_stream, deps_target.
8759 Use mkdeps functionality in the same way as cpplib. Remove
8760 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8761 -M and -MM. Remove old handling of deps via deps_out, and
8762 old reading of environment variables.
8763 (get_filename): Update to use deps_add_dep.
8765 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8767 * output.h (make_function_rtl): Remove prototype.
8768 (make_decl_rtl): Likewise.
8769 * varasm.c (make_function_rtl): Remove.
8770 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8771 than from a third parameter.
8772 * tree.h (make_decl_rtl): Remove last parameter.
8773 * c-decl.c (builtin_function): Remove last argument in call to
8774 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8775 (start_function): Likewise.
8776 * except.c (call_get_eh_context): Likewise.
8777 * expr.c (emit_block_move): Likewise.
8778 (clear_storage): Likewise.
8779 * profile.c (output_func_start_profiler): Likewise.
8780 * toplev.c (rest_of_decl_compilation): Likewise.
8781 * objc/objc-act.c (create_builtin_decl): Likewise.
8782 (synth_module_prologue): Likewise.
8783 (generate_static_reference): Likewise.
8784 (build_selector_reference_decl): Likewise.
8785 (build_class_reference_decl): Likewise.
8786 (build_objc_string_decl): Likewise.
8787 (build_protocol_reference): Likewise.
8789 2001-01-10 Richard Henderson <rth@redhat.com>
8791 * hwint.h: Revert yesterday's change.
8793 2001-01-10 Nick Clifton <nickc@redhat.com>
8795 * function.h (save_machine_status): Delete.
8796 (restore_machine_status): Delete.
8797 Amend comment describing {init|mark|free}_machine_status.
8799 * function.c (save_machine_status): Delete.
8800 (restore_machine_status): Delete.
8801 Amend comment describing {init|mark|free}_machine_status.
8802 (push_function_context_to): Remove invocation of
8803 save_machine_status.
8804 (pop_function_context_from): Remove invocation of
8805 restore_machine_status.
8807 * emit-rtl.c (init_emit_once): Amend comment describing
8808 {init|mark|free}_machine_status.
8810 * tm.texi (Per-Function Data): New node. Describe the
8811 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8814 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8816 * cppinit.c (OPT_g): Remove.
8817 (cpp_handle_option): Update for removed -g3.
8818 (print_help): Update.
8819 * cpplib.h (struct cpp_options): Remove debug_output.
8820 * cppmain.c (setup_callbacks, cb_define): Update.
8821 * gcc.c (cpp_options): Translate -g3 to -dD.
8823 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8825 * config/i960/i960.md: Change modifier to + on the zero_extract
8826 pattern after the (rotate -2 reg) canonicalization pattern.
8828 2001-01-10 Richard Henderson <rth@redhat.com>
8830 * config/alpha/alpha.c (alpha_free_machine_status): New.
8831 (override_options): Install it.
8832 (alpha_mark_machine_status): Verify machine non-null.
8833 * config/i386/i386.c (ix86_free_machine_status): New.
8834 (override_options): Install it.
8835 (ix86_init_machine_status): Use xcalloc.
8836 (ix86_mark_machine_status): Verify machine non-null.
8837 * config/ia64/ia64.c (ia64_free_machine_status): New.
8838 (ia64_override_options): Install it.
8839 (ia64_mark_machine_status): Verify machine non-null.
8841 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8843 * function.c (instantiate_virtual_regs): Instantiate virtual
8844 registers found in CALL_INSN_FUNCTION_USAGE.
8846 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8848 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8849 equivalent to -ansi in disabling -Di386.
8851 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8853 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8855 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8857 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8859 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8861 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8863 * invoke.texi: Document that -fcond-mismatch isn't supported for
8866 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8868 * gcc.texi: Define macro gcctabopt.
8869 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8870 @command, @env and @option in some places where appropriate. Use
8871 @gcctabopt where appropriate. Put URLs and email addresses inside
8874 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8876 * gcc.c (cpp_options): Set MD file name from output
8877 filename, if specified.
8878 (suffix_subst): New static variable.
8879 (do_spec): Clear it.
8880 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8882 (give_switch): Handle suffix_subst.
8884 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8886 * invoke.texi: Fix another typo.
8888 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8890 * invoke.texi: Fix typo.
8892 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8894 * c-lang.c (lang_hooks): Update.
8895 (lang_decode_option): Remove.
8896 (lang_init_options): Rename c_init_options.
8897 * toplev.c (main): Use lang_hooks for lang_init_options
8898 and lang_decode_option.
8899 * toplev.h (lang_hooks): Add 2 new hooks.
8900 * tree.h: Remove lang_init_options and lang_decode_option.
8901 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8902 * cp/decl2.c: Similarly.
8903 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8904 (lang_hooks): Update.
8905 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8907 (lang_init_options): Rename ffe_init_options.
8908 (lang_hooks): Update.
8909 (lang_decode_option): Remove.
8910 * java/lang.c (lang_init_options): Rename java_init_options.
8911 (lang_decode_option): Rename java_decode_option.
8912 (lang_hooks): Update.
8913 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8914 (lang_decode_option): Rename objc_decode_option.
8915 (lang_hooks): Update.
8917 2001-01-09 Nick Clifton <nickc@redhat.com>
8919 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8920 (d30v_return_addr_rtx): Delete.
8921 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8922 cfun->machine structure.
8923 (struct machine_function): Move to d30v.h
8924 (d30v_save_machine_status): Delete.
8925 (d30v_restore_machine_status): Delete.
8926 (d30v_init_machine_status): New Function.
8927 (d30v_mark_machine_status): New Function.
8928 (d30v_free_machine_status): New Function.
8929 (d30v_init_expanders): Use new functions.
8930 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8931 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8932 d30v_return_addr_rtx.
8934 * config/d30v/d30v.h (struct_machine): Move here.
8935 Add eh_epilogue_sp_ofs field.
8937 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8938 field in cfun->machine structure.
8940 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8942 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8943 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8944 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8946 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8948 * objc/lang-options.h: Remove bogus reference to
8951 2001-01-09 Kazu Hirata <kazu@hxi.com>
8953 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8956 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8958 * reload.c (find_reloads_address): Check for eliminable registers
8959 when substituting a constant expression for a pseudo.
8961 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8963 * c-common.c (enum format_type): Add format_type_error.
8964 (decode_format_type): New function.
8965 (decl_attributes): Use it.
8966 (format_kind_info): Adjust comment.
8968 2001-01-09 David O'Brien <obrien@BSDi.com>
8970 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8971 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8973 * config/i386/gnu.h: Don't include required platform specific .h files,
8974 tm.h will do it instead.
8975 * config/i386/i386elf.h: Likewise.
8976 * config/i386/linux.h: Likewise.
8977 * config/i386/moss.h: Likewise.
8978 * config/mips/gnu.h: Likewise.
8980 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8982 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8983 (rs6000-ibm-aix3.[01]*): Likewise.
8984 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8985 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8986 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8987 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8988 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8989 (powerpc-*-eabiaix*): Likewise.
8990 (powerpc-*-eabisim*): Likewise.
8991 (powerpc-*-elf*): Likewise.
8992 (powerpc-*-eabi*): Likewise.
8993 (powerpc-*-rtems*): Likewise.
8994 (powerpc-*-linux*libc1): Likewise.
8995 (powerpc-*-linux*): Likewise.
8996 (powerpc-wrs-vxworks*): Likewise.
8997 (powerpcle-wrs-vxworks*): Likewise.
8998 (powerpcle-*-sysv*): Likewise.
8999 (powerpcle-*-elf*): Likewise.
9000 (powerpcle-*-eabisim*): Likewise.
9001 (powerpcle-*-eabi*): Likewise.
9002 (powerpcle-*-solaris2*): Likewise.
9003 * config/rs6000/aix31.h: Delete includes.
9004 * config/rs6000/aix3newas.h: Likewise.
9005 * config/rs6000/aix41.h: Likewise.
9006 * config/rs6000/aix43.h: Likewise.
9007 * config/rs6000/beos.h: Likewise.
9008 * config/rs6000/rtems.h: Likewise.
9009 * config/rs6000/sysv4.h: Likewise.
9011 2001-01-09 Kazu Hirata <kazu@hxi.com>
9013 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9014 Change an argument mode of machine_mode to shift_mode of
9015 shift_mode. Remove an extra error check.
9016 (emit_a_shift): Adopt to the new calling prototype of
9018 (function_prologue): Fix code for a monitor
9019 function. Support H8/S.
9020 (function_epilogue): Do not output pop for a monitor function.
9022 2001-01-09 Nick Clifton <nickc@redhat.com>
9024 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9025 (setup_incoming_varargs): Use sysv_varargs_p field of the
9026 cfun->machine structure.
9027 (struct machine_function): Move to rs6000.h
9028 (rs6000_save_machine_status): Delete.
9029 (rs6000_restore_machine_status): Delete.
9030 (rs6000_init_machine_status): New Function.
9031 (rs6000_free_machine_status): New Function.
9032 (rs6000_init_expanders): Use new functions.
9034 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9036 (struct machine_function): Move here.
9038 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9039 sysv_varargs_p field of the cfun->machine structure.
9041 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9043 (rs6000_restore_machine_status): Remove prototype.
9045 2001-01-09 Richard Henderson <rth@redhat.com>
9047 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9048 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9049 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9050 (sched_analyze_2, sched_analyze_insn): Likewise.
9051 (sched_analyze, init_deps): Likewise.
9052 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9053 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9054 (compute_block_backward_dependences): Update propagate_deps call.
9056 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9058 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9060 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9062 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9063 (cpp_handle_option): Handle them.
9064 (cpp_post_options): Ensure one of -M or -MM is specified with
9065 any other -M? option.
9066 (init_dependency_output): Suppress output with -MG.
9068 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9071 * invoke.texi: Update.
9073 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9075 * sh.md (reload_outsf): Generate recognizable patterns for
9078 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9080 * c-lang.c (lang_hooks): Update.
9081 (lang_init): Rename c_init.
9082 (lang_finish): Remove.
9083 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9085 * toplev.h (lang_hooks): Add init () and finish ().
9086 * tree.h (lang_init, lang_finish): Remove.
9087 * cp/tree.h (lang_init, lang_finish): Remove.
9088 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9089 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9091 (lang_init, lang_finish): Remove.
9092 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9093 (lang_hooks): Update.
9094 * java/lang.c (lang_init): Rename java_init.
9095 (lang_finish): Remove.
9096 (lang_hooks): Update.
9097 * objc/objc-act.c (lang_init): Rename objc_init.
9098 (lang_finish): Remove.
9099 (lang_hoooks): Update.
9101 20001-01-09 Graham Stott <grahams@redhat.com>
9103 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9104 after `ptr` is initialised.
9106 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9108 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9109 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9110 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9111 stack adjusts, instead of r3.
9113 2001-01-09 Michael Hayes <mhayes@redhat.com>
9115 * flow.c (flow_loop_scan): Break out of ...
9116 (flow_loops_find) ... here.
9117 * basic-block.h (flow_loop_scan): New.
9118 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9119 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9121 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9123 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9125 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9126 realloc()ing macro_buffer.
9128 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9129 if it's wider than long and the target's long is wider than the
9132 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9134 Remove support for using UWIN as a host machine.
9135 * configure.in: Issue an error message.
9136 * configure: Regenerated.
9137 * config.gcc: Remove xm_* UWIN configury.
9138 * config/i386/xm-uwin.h: Remove.
9140 2001-01-08 Nick Clifton <nickc@redhat.com>
9142 * config/v850/v850.c (ra_rtx): Delete.
9143 (v850_save_machine_status): Delete.
9144 (v850_restore_machine_status): Delete.
9145 (v850_init_machine_status): New function.
9146 (v850_mark_machine_status): New function.
9147 (v850_free_machine_status): New function.
9148 (v850_return_addr): Use ra_rtx field in machine structure.
9149 (v850_init_expanders): Use new functions.
9151 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9152 * config/v850/v850.c: Change arguments to v850_output+* functions
9153 to take a const char *, to avoid compile time warning.
9154 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9155 (USER_LABEL_PREFIX): Redefine.
9157 2000-01-08 Jim Wilson <wilson@redhat.com>
9159 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9160 1 to unsigned HOST_WIDE_INT before left shift.
9162 2001-01-08 Nick Clifton <nickc@redhat.com>
9164 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9165 the machine structure has been allocated.
9166 (arm_free_machine_status): New function: Free the machine
9167 specific function structure.
9169 2001-01-08 Richard Henderson <rth@redhat.com>
9171 * jump.c (simplejump_p): Revert last change.
9173 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9175 * cppinit.c (init): Rename init_library.
9176 (cpp_create_reader): Update.
9177 * gcc.c (cpp_options): If -o given, use it as the target of
9180 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9182 * arm.c (arm_arch5e): New variable.
9183 (all_cores): XScale is a 5TE device.
9184 (arm_override_options): Set arm_arch5e.
9185 (arm_init_builtins): __builtin_prefetch is in arch5e.
9186 * arm.h (arm_arch5e): Declare it.
9188 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9190 * arm.md (define_constants): Add defines for UNSPEC and
9191 UNSPEC_VOLATILE insns. Update all users.
9192 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9193 * arm.c (multi_register_push, note_invalid_constants)
9194 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9195 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9196 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9198 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9200 * jump.c (jump_optimize_1): Use reversed_comparison_code
9201 instead of can_reverse_comparison_p.
9202 (jump_back_p): Likewise.
9203 (invert_exp_1): Likewise.
9204 (thread_jumps): Likewise.
9205 * simplify-rtx.c (simplify_unary_operation): Likewise.
9206 (simplify_ternary_operation): Likewise.
9207 * cse.c (find_comparison_args): Convert to use
9208 can_reverse_comparison_p.
9209 (record_jump_equiv): Likewise.
9211 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9213 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9214 (EPILOGUE_USES): Define.
9215 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9216 automatically stack the LR if it isn't live.
9218 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9220 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9223 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9225 * ggc-page.c (max_alignment): New structure.
9226 (MAX_ALIGNMENT): New macro.
9227 (init_ggc): Use it to round up the sizes in the
9228 extra_order_size_table.
9230 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9232 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9235 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9237 * builtins.def (BUILT_IN_FPRINTF): New entry.
9239 * c-common.c (c_expand_builtin_fprintf): New function.
9240 (init_function_format_info): Handle __builtin_fprintf.
9241 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9242 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9244 * c-decl.c (duplicate_decls): Adjust comment.
9246 * extend.texi (fprintf): Document new builtin.
9248 2001-01-07 Richard Henderson <rth@redhat.com>
9250 * jump.c (simplejump_p): Recognize any single_set jump
9253 2001-01-07 Richard Henderson <rth@redhat.com>
9255 * configure.in (slibdir): Accept an --with-slibdir option.
9256 Use "test" not "[" in configure. Default to $(libdir).
9258 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9260 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9261 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9262 (SHLIB_LINK): Create links for the soname.
9263 * config/mips/t-iris6: Likewise.
9264 * config/sparc/t-slibgcc: Likewise.
9265 * config/sparc/t-slibgcc-sld: Likewise.
9267 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9269 * config/i386/i386.c (constant_call_address_operand): Accept
9270 (const (plus (symbol_ref) (const_int))).
9271 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9272 constant_call_address_operand.
9274 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9276 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9277 and LONG_LONG_TYPE_SIZE > 32.
9279 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9281 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9282 the previous change.
9284 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9286 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9288 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9289 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9290 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9293 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9295 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9297 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9299 * c-lang.c (c_post_options): Call cpp_post_options.
9300 * objc/objc-act.c (objc_post_options): Similarly.
9301 * cppmain.c (main): Similarly.
9302 * fix-header.c (read_scan_file): Similarly.
9303 * cppinit.c (cpp_start_read): Move option consistency checks
9304 to cpp_post_options. Don't call init_dependency_output.
9305 If needed, add default target and main file dependency.
9306 (OPT_MD, OPT_MMD): Remove.
9308 (cpp_handle_option): Update for OPT_* changes.
9309 (cpp_post_options): New.
9310 (init_dependency_output): Command line -MF overrides environment
9311 variables. Don't set default target etc. Suppress output
9312 if dependencies are going to stdout.
9313 (print_help): Update.
9314 * cpplib.h (cpp_post_options): New.
9315 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9317 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9319 * jump.c (comparison_dominates_p): Support unordered compares.
9321 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9323 * simplify-rtx.c (simplify_relational_operation): Always simplify
9324 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9327 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9329 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9330 (nonzero_bits): Likewise.
9331 (simplify_comparison): Likewise.
9332 (num_sign_bit_copies): Likewise; return more sane value depending
9333 on STORE_FLAG_VALUE.
9334 (known_cond): Do not assume EQ to be always true for equivalent
9337 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9339 * cse.c (fold_rtx): Handle unordered comparisons.
9341 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9343 * rtlanal.c (set_of_1): New static function.
9344 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9345 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9346 reg_set_last_last_regno): Remove.
9347 (set_of): New global function.
9348 (set_of_data): New structure.
9349 (reg_set_p, reg_set_last): Revamp for set_of.
9350 * rtl.h (set_of): New.
9352 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9354 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9355 * extend.texi: Document _Exit builtin.
9357 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9359 * (initialize, initialize_builtins,
9360 initialize_dependency_output, initialize_standard_includes):
9361 Rename s/initialize/init. Update.
9362 (init_dependency_output): Move to after
9363 cpp_handle_options, the correct location temporally at least.
9364 (opt_comp): Move next to init (), its caller. Fix prototype.
9365 (init): Make "initialized" local scope.
9366 (cpp_create_reader): Always call init ().
9367 (cpp_start_read): Update.
9368 (output_deps): New function, broken out of cpp_finish.
9369 (cpp_finish): Break out output_deps.
9371 2001-01-07 Richard Henderson <rth@redhat.com>
9373 * collect2.c (COFF specific stuff): Revert 12-06 patch
9374 to prototype system functions.
9376 2001-01-07 Michael Hayes <mhayes@redhat.com>
9378 * hard-reg-set.h: Add multiple include guard.
9379 * basic-block.h (struct loop): Add `sink' field.
9380 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9381 (emit_iv_add_mult): Delete.
9382 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9383 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9384 (unroll_loop): Remove end_insert_before argument.
9385 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9386 (maybe_eliminate_biv_1): Likewise.
9387 (emit_iv_add_mult): Delete.
9388 (gen_add_mult, loop_regs_update): New.
9389 (loop_insn_emit_after, loop_insn_emit_before): New.
9390 (loop_insn_sink, loop_insn_sink_or_swim): New.
9391 (emit_iv_add_mult): Delete.
9392 (scan_loop): Set loop->sink.
9393 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9394 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9395 (maybe_eliminate_biv_1): Likewise.
9396 (maybe_eliminate_biv_1): Add basic block argument.
9397 * unroll.c (unroll_loop): Remove end_insert_before argument.
9398 (find_splittable_regs): Likewise.
9399 (find_splittable_regs): Use loop_insn_sink and its ilk.
9400 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9402 2001-01-07 Michael Hayes <mhayes@redhat.com>
9404 * loop.h (loop_insn_hoist): New prototype.
9405 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9406 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9407 (check_dbra_loop, load_mems): Likewise.
9408 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9409 (find_splittable_givs): Likewise.
9411 2001-01-07 Michael Hayes <mhayes@redhat.com>
9413 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9415 2001-01-07 Richard Henderson <rth@redhat.com>
9417 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9419 2001-01-07 Richard Henderson <rth@redhat.com>
9421 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9422 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9423 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9424 variant that handles a shared libgcc.
9425 (process_command): Always validate -{static,shared}-libgcc.
9426 (do_spec_1): New 'M' case.
9427 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9429 2001-01-07 Richard Henderson <rth@redhat.com>
9431 * Makefile.in (slibdir): New variable.
9432 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9433 (installdirs): Create slibdir.
9434 (install-libgcc, install-multilib): Defer to libgcc.mk.
9435 * configure.in (slibdir): Substitute.
9436 * mklibgcc.in (install): New target.
9438 * config/t-linux (SHLIB_LINK): Create links for the soname.
9439 (SHLIB_INSTALL): New.
9440 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9441 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9442 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9443 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9444 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9446 2001-01-07 Richard Henderson <rth@redhat.com>
9448 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9449 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9450 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9452 2001-01-07 Michael Hayes <mhayes@redhat.com>
9454 * loop.c (count_loop_regs_set): Delete.
9455 (load_mems_and_recount_loop_regs_set): Delete.
9456 (loop_regs_scan): Merge common code from count_loop_regs_set,
9457 scan_loop, and load_mems_and_recount_loop_regs_set.
9458 (scan_loop): Call load_mems directly and loop_regs_scan
9459 again if new registers created.
9461 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9463 * toplev.c (main): Call the front-end specific post_options
9464 hook if one is given.
9465 * toplev.h (struct_lang_hooks, lang_hooks): New.
9466 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9467 for the C front end.
9468 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9469 lang_hooks for the C++ front end.
9470 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9471 lang_hooks for the ObjC front end.
9472 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9473 * java/lang.c (lang_hooks): Hooks for the Java front end.
9475 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9477 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9478 for verbose DWARF[2] debugging.
9479 (cb_define, cb_undef): The new callbacks.
9480 * toplev.h (debug_define, debug_undef): Make const correct.
9481 * toplev.c (debug_define, debug_undef): Similarly. Do not
9482 perform the verbosity tests here anymore.
9484 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9486 * reload.c (subst_reloads): Take INSN argument. When
9487 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9488 * reload.h (subst_reloads): Adjust prototype.
9489 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9490 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9491 present in JUMP_INSNs and copy them to JUMP_LABEL.
9492 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9493 JUMP_INSNs and insns with REG_LABELs that are followed by
9494 JUMP_INSNs with the same REG_LABEL.
9495 * sched-rgn.c (is_cfg_nonregular): Likewise.
9496 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9498 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9500 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9502 2001-01-06 Richard Henderson <rth@redhat.com>
9504 * loop.c (scan_loop): Use xcalloc for the regs array.
9505 (load_mems_and_recount_loop_regs_set): Zero the new memory
9506 received from xrealloc.
9508 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9510 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9512 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9514 * integrate.c (copy_rtx_and_substitute): When copying
9515 an ignored return value, strip REG_FUNCTION_VALUE_P.
9517 2001-01-06 Michael Hayes <mhayes@redhat.com>
9519 * loop.c (debug_biv, debug_giv): New.
9520 (loop_biv_dump): Break out from ...
9521 (record_biv): ... here.
9522 (loop_giv_dump): Break out from ...
9523 (record_giv): ... here.
9524 (loop_bivs_check): Use print_simple_rtl.
9525 * unroll.c (loop_iterations): Use print_simple_rtl.
9527 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9529 * pa.md (return, return_internal): Modify patterns to prevent regrename
9530 mucking with the return pointer.
9532 2001-01-05 Richard Henderson <rth@redhat.com>
9534 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9536 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9538 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9539 version supplied by Matteo Frigo.
9541 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9543 * cpp.texi: Update for -MQ.
9544 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9545 (cpp_cleanup): Always free pfile->deps.
9546 (initialize_dependency_output): Don't create pfile->deps.
9547 (cpp_handle_option): Similarly.
9549 * gcc.c (cpp_options): Handle -MQ.
9550 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9551 * mkdeps.c (base_name): Remove.
9552 (deps_init): Don't allocate vector space until it's needed.
9553 (deps_free): Only free vectors if allocated.
9554 (deps_add_target, deps_add_dep): Update for initial allocation.
9555 (deps_add_default_target): Don't strip to the base_name.
9557 2001-01-05 DJ Delorie <dj@redhat.com>
9559 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9560 (INIT_EXPANDERS): Define.
9562 * config/v850/v850.c (struct machine_function): Define.
9563 (v850_save_machine_status): New function.
9564 (v850_restore_machine_status): New function.
9565 (v850_return_addr): New function.
9566 (v850_init_expanders): New function.
9568 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9569 and v850_init_expanders.
9571 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9573 * cpplib.h (struct cpp_reader): Add help_only field.
9574 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9575 (cpp_handle_option): Set pfile->help_only if we see -h,
9576 --help, -target-help, or --version. Print version string but
9577 do not set help_only if we see -v or -version. Make text
9578 printed by -v match that printed by (-)-version.
9580 * cppmain.c (main): Exit after option parsing if
9581 pfile->help_only is true.
9583 * toplev.c (independent_decode_option): Call print_version,
9584 then exit, if we see --version (but not -version).
9585 (print_version): Split lengthy message into two lines.
9587 2001-01-05 Nick Clifton <nickc@redhat.com>
9589 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9590 temporary string for initialisation before calling ggc_alloc_string.
9592 2001-01-06 Michael Hayes <mhayes@redhat.com>
9594 * rtl.h (print_simple_rtl): New.
9595 * print-rtl.c (print_simple_rtl): New.
9597 (print_rtx): Disable printing of flags and modes, etc.,
9598 if `flag_simple` nonzero.
9600 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9602 * function.c (fixup_var_refs): Use push_to_full_sequence where
9605 2001-01-05 Michael Meissner <meissner@redhat.com>
9607 * flags.h (flag_reorder_blocks): Add declaration.
9608 (flag_rename_block): Ditto.
9610 2001-01-05 DJ Delorie <dj@redhat.com>
9612 * function.c (reorder_blocks): Make sure the flags are all reset
9613 before using them to mark blocks, else a second invocation will
9614 corrupt the block chain.
9615 (reorder_blocks_0): New, resets the flags.
9617 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9619 * cse.c (find_comparison_args): Stop if the argument is known to
9622 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9624 * config/sh/sh.md (movdf): When splitting load into pair of
9625 registers, don't clobber the register used in the address too
9628 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9630 * varasm.c (mark_constant_pool): Improve initial comments.
9631 (mark_constants): Move marking of constants to mark_constant.
9632 (mark_constant): New function to recursively mark all constants
9633 referred to by a constant.
9635 2001-01-05 Catherine Moore <clm@redhat.com>
9637 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9639 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9641 * cp/lang-options.h: Bring comment in line with reality.
9642 * f/lang-options.h: Likewise.
9643 * java/lang-options.h: Likewise.
9644 * objc/lang-options.h: Likewise.
9645 * ch/lang-options.h: Likewise.
9646 * f/g77.texi: And update the manual.
9648 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9649 Denis Chertykov <denisc@overta.ru>
9651 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9652 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9653 * config/avr/avr.md (all peepholes that request a scratch register):
9654 Call it, FAIL the peephole if not safe (in interrupt functions).
9656 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9658 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9660 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9662 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9664 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9665 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9666 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9667 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9668 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9670 * extend.texi: Document these builtins.
9672 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9674 * c-common.c (lang_get_alias_set): Say we know nothing of
9675 VECTOR_TYPE aliasing.
9677 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9679 2001-01-05 Bruce Korb <bkorb@gnu.org>
9681 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9682 their x* equivalent versions for atexit-less systems
9683 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9684 systems (or any other system any more).
9686 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9688 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9689 output operands. Use arm_hard_register_operand for operand 4.
9690 (stmsi_postinc): Similarly.
9691 (ldmsi): Use arm_hard_register_operand for opernand 2.
9693 * arm.c (arm_hard_register_operand): New function.
9694 * arm-protos.h (arm_hard_register_operand): Prototype it.
9696 * arm.h (HARD_REGNO_RENAME_OK): Define.
9698 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9700 * simplify-rtx.c (cfc_args): add "unordered" field.
9701 (check_fold_consts): Set unordered field.
9702 (simplify_relational_operation): Simplify the unordered
9705 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9708 * emit-rtl.c (try_split): Fix code to mark labels.
9709 * jump.c (mark_jump_label): Make global.
9710 * rtl.h (mark_jump_label): Declare.
9712 * predict.c (estimate_probability): Handle unordred comparisons.
9714 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9716 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9717 * cppinit.c (initialize_dependency_output): Update.
9718 (cpp_finish): Output dummy targets for -MP.
9720 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9721 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9722 * gcc.c (cpp_options): Update to handle -MP.
9723 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9724 to quote only the default target.
9725 (deps_phony_targets): Insert a preceding newline. Rename from
9726 deps_dummy_targets for consistency.
9729 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9731 * calls.c (emit_library_call_value_1): Support
9732 INIT_CUMULATIVE_LIBCALL_ARGS.
9733 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9735 2001-01-04 Richard Henderson <rth@redhat.com>
9737 * c-decl.c (finish_struct): Detect flexible array members
9738 used in an inappropriate context.
9739 * c-typeck.c (really_start_incremental_init): Special case
9740 constructor_max_index for zero length arrays.
9741 (pop_init_level): Allow initialization of flexible array
9742 members. Deprecate initialization of zero length arrays.
9743 Don't issue missing initializer warning for flexible array
9744 members or zero length arrays.
9745 (process_init_element): Don't dereference null DECL_SIZE.
9746 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9747 Don't abort for empty constructors. Use size_binop
9748 (output_constructor): Add commentary regarding zero length
9749 array futures. Abort if we try to initialize an array of
9750 unspecified length with a non-empty constructor in the middle
9753 * extend.texi (Zero Length): Update and clarify documentation
9754 on static initialization.
9756 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9758 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9759 with more than 32767 words of local storage.
9761 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9763 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9764 for 'abs', 'labs', and 'fabs'.
9765 (c4x_expand_builtin): Likewise.
9766 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9768 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9770 * config/sh/sh.md (prget, prset): New insn types.
9771 (return delay slot): Dont' allow prset.
9772 (call, sfunc delay slot): Don't allow prget.
9773 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9774 for prset and prget.
9776 2001-01-05 Michael Hayes <mhayes@redhat.com>
9778 * loop.h (struct loop_reg): New.
9779 (struct loop_regs): Change to use array of `struct loop_reg'.
9780 * loop.c: Replace assortment of varrays with single regs array.
9781 (count_one_set): Delete may_not_move array argument
9782 and use regs array instead. All caller's changed.
9783 (count_loop_regs_set): Delete may_not_move and single_usage
9784 arguments and use regs array instead. All caller's changed.
9785 (find_single_use_in_loop): Replace usage array argument with pointer
9786 to regs structure. All caller's changed.
9787 (loop_optimize): Delete `moved_once' array.
9789 2001-01-05 Michael Hayes <mhayes@redhat.com>
9791 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9792 Use it instead of loop_info->has_call for scanning loop mems.
9793 (check_dbra_loop): Replace loop_info->has_call test with
9794 loop_info->has_nonconst_call.
9796 2000-01-04 Matthew Hiller <hiller@redhat.com>
9798 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9801 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9803 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9804 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9806 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9808 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9809 (flag_short_double, flag_short_wchar): Define.
9810 (c_common_nodes_and_builtins): Create many tree nodes shared
9811 between C and C++ here instead of in cp/decl.c and ...
9812 * c-decl.c (init_decl_processing): ... here.
9813 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9814 (flag_short_double, flag_short_wchar): Don't define.
9815 (record_builtin_type): New function.
9816 (build_void_list_node): New function.
9817 * c-common.h (flag_short_double, flag_short_wchar,
9818 record_builtin_type, build_void_list_node): Declare.
9820 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9822 * integrate.c (expand_inline_function): Don't put a virtual
9823 register into the reg map.
9825 * function.c (fixup_var_refs_1): If force_operand didn't put
9826 the address into the target, move it there.
9828 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9830 Special-case tree_decl/tree_list allocations.
9831 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9832 (OBJECT_SIZE): New macro.
9833 (NUM_EXTRA_ORDER): Likewise.
9834 (extra_order_size_table): New variable.
9835 (NUM_ORDERS): New macro.
9836 (objects_per_page_table): New variable.
9837 (object_size_table): New variable.
9838 (G.pages): Use NUM_ORDERS to bound the array.
9839 (G.page_tails): Likewise.
9840 (DIV_ROUND_UP): Remove.
9841 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9842 (alloc_page): Use OBJECT_SIZE.
9843 (size_lookup): Don't make it const.
9844 (ggc_alloc): Use OBJECT_SIZE.
9845 (ggc_set_mark): Likewise.
9846 (ggc_get_size): Likewise.
9847 (init_ggc): Set up the object_size_table, objects_per_page_table,
9848 and adjust size_lookup.
9849 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9850 (ggc_pop_context): Use NUM_ORDERS.
9851 (clear_marks): Likewise.
9852 (sweep_pages): Likewise.
9853 (poison_pages): Likewise.
9854 (ggc_print_statistics): Use OBJECT_SIZE.
9856 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9858 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9859 Only call array_size_for_constructor if last field and array type
9860 with no upper bound.
9862 2001-01-04 Philip Blundell <philb@gnu.org>
9864 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9865 from bit 31 downwards, if this requires no more insns.
9866 (count_insns_for_constant): New helper function for above.
9868 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9870 * gencodes.c (output_predicate_decls): Remove empty initializer.
9872 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9874 * tree.c (copy_node): Remove documentation about obstacks.
9875 (buidl1): Check that nobody tries to build 2-argument nodes this
9878 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9880 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9883 * gencodes.c (output_predicate_decls): Fill empty initializer
9886 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9888 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9889 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9891 (do_include): Handle missing headers like cpp0.
9892 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9893 paths with first include pathname. Don't strcat to uninitialized
9896 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9898 * regrename.c (regrename_optimize): Don't rename from frame pointer
9899 if frame_pointer_needed.
9900 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9901 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9902 (ia64_reorg): Use it instead of scheduling if ! optimize.
9903 (errata_emit_nops): Properly call asm_noperands.
9904 (ia64_sched_reorder): Finish cycle if we see an asm.
9905 (ia64_variable_issue): Clear scheduling state after asms.
9907 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9909 * cpp.texi: Update for -MT.
9910 * cppinit.c (initialize_dependency_output): Add a default
9911 target if none has been given already.
9912 (no_tgt, OPT_MT): New.
9913 (cpp_handle_option): Handle -MT. Update -M etc.
9914 * cpplib.h (struct cpp_options): Remove deps_target.
9915 * gcc.c (cpp_options): Handle -MT.
9916 * mkdeps.c (struct deps): Move from mkdeps.h.
9917 (deps_calc_target): Rename deps_add_default_target. Add a
9918 default target if none has been specified already.
9919 * mkdeps.h (struct deps): Move to mkdeps.c.
9920 (deps_calc_target): Rename deps_add_default_target.
9922 2000-01-03 Richard Henderson <rth@redhat.com>
9924 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9926 * c-typeck.c (push_init_level): Move checks for flexible array
9927 members and zero length arrays ...
9928 (pop_init_level): ... here. Silently discard empty initializations.
9930 * varasm.c (output_constructor): Update for sizeof change to
9933 * extend.texi (Zero Length): Clarify semantics.
9935 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9937 * configure.in (tm.h): Include isns-codes.h last.
9938 * configure: Rebuilt.
9940 2001-01-03 Richard Henderson <rth@redhat.com>
9942 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9943 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9945 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9947 * tradcpp.c (main): Make sure finclude() is called with a valid
9948 indepth value while handling -include.
9950 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9952 * gencodes.c (output_predicate_decls): New function.
9954 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9955 even if it is not the first time machmode.h is #included.
9956 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9957 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9958 * gcc.texi (Copyright): Added 2001.
9960 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9962 * c-common.c (c_common_lang_init): New function. Warn if format
9963 warning options which only have effects when used with -Wformat
9964 are used without -Wformat.
9965 * c-common.h (c_common_lang_init): Declare.
9966 * c-lang.c (lang_init): Call c_common_lang_init.
9967 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9969 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9971 * configure.in: Check for the mktemp command.
9972 * configure: Regenerate.
9973 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9974 $TEMP. Create temporary files with mktemp, if available at
9975 configure time; otherwise use set -C. Remove temporary files
9978 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9980 * configure.in: Require at least texinfo 4.0. Check for whether
9981 Pod::Man is sufficiently recent to regenerate GCC manpages.
9982 * configure: Regenerate.
9983 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9985 (GENERATED_MANPAGES): Define.
9986 (generated-manpages): New target. Depend on cpp.1 as well as
9988 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9989 configure to generated-manpages or empty) rather than on the
9990 manpages directly. Remove execute permission from installed
9991 gcov.1 as well as cpp.1.
9992 * cpp.1, gcov.1: Regenerate.
9994 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9996 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9997 tree_low_cst. Allow using cmpstrsi in more cases.
9999 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10001 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10004 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10006 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10007 * Makefile.in (HOST_CFLAGS): Mention build-make.
10009 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10011 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10014 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10016 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10019 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10022 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10023 reg_base_value and reg_known_value arrays.
10024 (init_alias_analysis): Add more cases to detect known values.
10025 * sched-deps.c (deps_may_trap_p): New function.
10026 (sched_analyze_2): Use it.
10028 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10030 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10031 don't discard an ASHIFTRT if we're shifting in a wider mode.
10033 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10035 * toplev.c (rest_of_compilation): Don't print basic block information
10036 when CFG isn't up to date.
10038 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10040 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10041 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10042 (UNALIGNED_SHORT_ASM_OP): Define.
10043 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10045 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10047 * fold-const.c (fold_convert): Fix typo.
10049 2001-01-02 Richard Henderson <rth@redhat.com>
10051 * c-common.h (ASM_INPUT_P): New.
10052 * c-parse.in (asm): Set it when needed.
10053 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10054 existance of an operand.
10056 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10058 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10059 (dwarf2out_frame_debug_expr): Likewise.
10060 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10062 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10064 * i386.c (ix86_split_to_parts): Return number of part required;
10066 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10068 (ix86_split_long_move): Use number of part returned
10069 by ix86_split_to_parts
10070 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10072 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10073 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10074 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10075 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10076 (ALIGN_MODE_128): Add TFmode.
10077 (IS_STACK_MODE): Likewise.
10078 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10079 (HARD_REGNO_OK): Support TFmodes.
10080 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10081 * i386.md (scheduler definitions): Use memory operand to determine
10082 fst/fld instructions; use mode attribute to determine real mode of
10084 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10085 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10087 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10089 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10091 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10093 * expr.c (store_constructor_field): Update ALIGN before calling
10096 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10098 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10101 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10103 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10106 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10108 * c-decl.c (start_function): Don't warn on third parameter to main.
10110 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10112 * tsystem.h: Define HAVE_DECL_GETOPT.
10114 2001-01-02 Philip Blundell <pb@futuretv.com>
10116 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10119 2001-01-02 Richard Henderson <rth@redhat.com>
10121 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10123 2001-01-02 Andreas Jaeger <aj@suse.de>
10125 * c-decl.c (c_decode_option): Remove support of
10126 -Wmissing-noreturn.
10128 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10129 (W_options): Add -Wmissing-noreturn here.
10131 * flow.c: Define lang_missing_noreturn_ok_p.
10132 (check_function_return_warnings): Use it.
10134 * c-common.h: Declare lang_missing_noreturn_ok_p.
10136 * c-lang.c (c_missing_noreturn_ok_p): New function.
10137 (lang_init): Set lang_missing_noreturn_ok_p.
10139 * invoke.texi (Warning Options): Document this.
10141 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10143 * extend.texi (C++ Extensions): New node for C++ attributes;
10144 describe init_priority and com_interface.
10145 * invoke.texi: Remove -finit-priority as it now has zero effect.
10146 * install.texi: Fix xref syntax.
10147 * md.texi: Likewise.
10149 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10151 * config.gcc (sparc64-wrs-vxworks*): New case.
10152 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10154 * config/sparc/sparc.c (sparc_override_options): Do support different
10155 pointer and architecture size.
10156 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10157 (POINTERS_EXTEND_UNSIGNED): Define.
10158 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10159 (FUNCTION_MODE): Define to be Pmode.
10160 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10162 * function.c (expand_function_end): Properly handle DECL_RESULT
10163 and copy when ptr_mode != Pmode.
10164 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10166 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * c-common.c (c_common_nodes_and_builtins): Set prototype
10169 parameters for __builtin_fputs, __builtin_fputc and
10170 __builtin_fwrite. Don't declare plain fputc as a builtin.
10172 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10174 * loop.c (add_label_notes): Increment the label usage count when
10175 a note is added to an insn which refers to a CODE_LABEL.
10176 * gcse.c (add_label_notes): Likewise.
10178 2001-01-01 Andreas Jaeger <aj@suse.de>
10180 * loop.c (scan_loop): Use xmalloc to allocate movables.
10182 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10184 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10185 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10186 * reload1.c (REGISTER_MOVE_COST): Likewise.
10187 * regclass.c (REGISTER_MOVE_COST): Likewise.
10188 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10189 dimension. Adjust all users.
10190 (init_reg_sets_1): Iterate on all modes.
10191 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10192 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10193 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10194 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10195 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10196 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10197 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10198 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10199 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10200 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10201 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10202 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10203 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10204 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10205 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10206 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10207 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10208 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10209 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10210 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10211 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10212 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10213 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10214 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10215 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10216 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10217 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10219 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10221 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10222 arg VARIES_P. Call it with extra arg.
10223 (true_dependence): Likewise.
10224 * rtl.h (rtx_addr_can_trap_p): Declare.
10225 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10227 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10228 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10229 pic offset table register if it's zero. All callers changed.
10230 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10232 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10234 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10235 STRING_POOL_ADDRESS_P.
10237 * config/sparc/sparc.c (input_operand): Properly test for short op.
10239 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10240 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10241 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10242 * config/sparc/elf.h: No longer include sol2.h.
10243 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10244 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10246 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10248 2001-01-01 Michael Hayes <mhayes@redhat.com>
10250 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10251 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10252 (record_initial): Likewise.
10253 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10254 (remap_split_bivs): Likewise.
10256 2001-01-01 Michael Hayes <mhayes@redhat.com>
10258 * loop.c (loop_ivs_free): New function.
10259 (strength_reduce): Break out from...
10261 2001-01-01 Michael Hayes <mhayes@redhat.com>
10263 * loop.h (struct iv): New.
10264 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10265 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10266 'reg_biv_class' fields with 'regs' and 'n_regs'.
10267 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10268 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10269 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10271 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10273 * resource.c (mark_referenced_resources): Abort() before
10274 attempting to mark a pseudo register.
10275 (mark_set_resources): Likewise.
10277 2001-01-01 Michael Hayes <mhayes@redhat.com>
10279 * loop.h (REG_IV_CLASS): New accessor macro.
10280 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10281 * unroll.c (REG_IV_CLASS): Likewise.
10283 See ChangeLog.4 for earlier changes.
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