1 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3 * jump.c (jump_optimize_1): Do not wrap the new jump target
4 inside a LABEL_REF; gen_jump will do that automatically.
6 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
8 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
9 contents for a SYMBOL_REF in case of floating point constants.
11 2001-05-10 DJ Delorie <dj@redhat.com>
13 * c-common.c (combine_strings): Widen strings in a
14 host-endian-independent way.
16 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
18 * c-parse.in: Remove many shift/reduce conflicts. Update
20 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
21 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
22 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
23 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
24 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
25 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
26 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
27 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
28 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
29 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
30 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
31 typespec_reserved_nonattr, typespec_reserved_attr,
32 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
33 structsp_nonattr, components_notype, component_notype_declarator,
34 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
35 firstparm, setspecs_fp): New
36 (typed_declspecs, reserved_declspecs, typed_typespecs,
37 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
38 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
39 declmods_no_prefix_attr, nonempty_type_quals, structsp,
40 type_quals): Remove. Users updated.
41 (initdecls, notype_initdecls, after_type_declarator,
42 parm_declarator, notype_declarator, absdcl1, components, ivars):
43 Don't allow attributes at the start of a declarator; include them
44 in the production containing the declarator instead. Always
45 require type specifiers before trying to redeclare a typedef name.
46 (typename): Allow for attributes but warn that they are ignored.
47 (parmlist, firstparm, setspecs_fp): Include attributes in
48 parmlist; suck them off the parser stack in firstparm using
51 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
53 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
54 to determine if a block has an unconditional jump at its end.
56 * jump.c (jump_optimize_1): When converting a conditional jump
57 to an unconditional jump, build the jump using gen_jump instead
58 of just modify operands in-place.
60 2001-05-09 Zack Weinberg <zackw@stanford.edu>
62 * cppinit.c (cpp_post_options): Shut off macro expansion if
64 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
65 IN_I directives only if the # is in column 1 and the directive
66 name begins in column 2.
67 * cppmain.c (scan_buffer): Insert a space between # and an
68 identifier, when that identifier is a directive name.
70 * tradcpp.c (struct file_buf): Add a pointer to the next entry
71 in the header search path.
72 (enum node_type): Add T_INCLUDE_NEXT.
73 (directive_table): Add entry for include_next.
74 (do_include_next): New function.
75 (process_include): New routine, broken out of do_include.
76 (finclude): Insert 'nhd' argument, to be copied into
77 next_header_dir of the new buffer.
78 (main): Adjust to match.
79 * gsyslimits.h, limity.h: Un-indent #include_next.
81 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
83 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
84 inclusion as a chapter of the GCC manual.
85 * gcc.texi: Include objc.texi.
86 * fdl.texi: Use @unnumberedsec for the addendum.
87 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
89 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
91 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
93 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
95 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
96 handling of two-address insns.
98 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
100 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
101 ../binutils/nm-new instead of ../binutils/nm.
103 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
105 * i386.md (movdi splitter): Fix the splitting condition
106 (float_extenddftf splitter): Fix mode.
108 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
110 * genrecog.c (write_switch): Avoid outputting of switch for
111 types wider than int.
113 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
115 * reload1.c (copy_eh_notes): New function.
116 (emit_input_reload_insns): Call it.
117 (emit_output_reload_insns): Call it.
119 2001-05-07 Zack Weinberg <zackw@stanford.edu>
121 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
123 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
124 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
126 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
128 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
130 * pa.md (interspace_jump): Revise comment.
131 (builtin_longjmp): Block initial setup insns from delay slot of
133 (builtin_setjmp_receiver): New expander to save and restore PIC
136 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
138 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
140 * toplev.c (compile_file): Set up the output file before we call
141 the various initializers for the compiler.
143 * except.c (sjlj_mark_call_sites): Do not search for assignments to
144 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
146 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
147 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
149 2001-05-06 Zack Weinberg <zackw@stanford.edu>
151 * Makefile.in (tradcpp0): Correct typo in dependency list.
153 2001-05-06 Geoff Keating <geoffk@redhat.com>
155 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
156 the link register if we're not going to use it.
158 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
159 (output_function_profiler): Likewise.
161 2001-05-07 Alan Modra <amodra@one.net.au>
163 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
165 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
167 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
168 zero-extend it. Make abs_inc unsigned.
170 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
171 widest mode in narrowing and widening operations.
173 * config/mips/mips.md: Sign extend CONST_INTs.
175 2001-05-06 Andreas Jaeger <aj@suse.de>
177 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
178 (i386 Options): Document -momit-leaf-frame-pointer.
180 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
182 * c-typeck.c (internal_build_compound_expr): Check for
183 array to pointer conversion just once.
185 2001-05-05 Richard Henderson <rth@redhat.com>
187 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
189 2001-05-05 Richard Henderson <rth@redhat.com>
191 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
192 to the parent of the fixup region.
194 2001-05-05 Jakub Jelinek <jakub@redhat.com>
196 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
198 * cpp.texi (__NO_INLINE): Document it.
200 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
202 * cppfiles.c (struct include_file): New member err_no.
203 (find_or_create_entry): Set it.
204 (open_file): Don't set fds to -2. Instead, use err_no to
205 remember previous errors, if any.
207 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
209 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
210 between X and Y by using sequences of xgdx and xgdy.
212 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
214 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
215 of '!' for the 'D' alternative ('!' is too strong).
216 ("*logicalsi3_silshl16"): Likewise.
217 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
218 ("movstrictsi"): Remove spurious '+'.
219 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
220 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
221 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
224 2001-05-04 David Edelsohn <edelsohn@gnu.org>
226 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
228 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
230 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
233 2000-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
235 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
238 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
240 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
241 soft register, use ror instead of rol.
243 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
245 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
246 into account pre/post increment decrement for 68HC12.
247 Fix other problems in replacement and fix call to reg_mentioned_p.
249 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
251 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
252 Put the soft registers in bss for 68HC12.
253 (L_regs_d3_4): New for _.d3 and _.d4.
254 (L_regs_d5_6): Likewise.
255 (L_regs_d1_2): Likewise.
256 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
258 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
260 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
261 to the pre-processor when -fshort-double is specified.
262 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
264 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
266 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
267 (__mulsi3): Rewrite for 68HC12.
268 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
269 Mark 'x' constraint with earlyclobber to prevent a
270 RELOAD_FOR_OTHER_ADDRESS to go in it.
271 (mulhi3_m68hc12): New pattern.
272 (mulhi3_m68hc11): Rename of mulhi3.
273 (mulhi3): New expand for 68HC12 optimisation.
274 (umulhisi3, mulhisi3): New patterns for 68HC12.
276 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
278 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
279 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
280 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
282 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
284 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
285 constants cheap after reload.
286 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
288 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
289 so that gcc prefers a shift by 16.
290 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
292 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
294 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
296 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
298 * alpha.h: NULL_PTR -> NULL.
308 * m68hc11.h: Likewise.
309 * rs6000.h: Likewise.
320 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
322 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
323 `bool' parameter to `int'.
325 * hash.c (hash_lookup): Likewise.
327 * hash.h (hash_lookup): Likewise.
329 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
331 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
333 * i386.c (x86_initialize_trampoline): Fix mode of constant.
335 2001-05-03 Geoff Keating <geoffk@redhat.com>
337 * invoke.texi (i386 Options): Delete references to -malign-jumps,
338 -malign-loops, -malign-functions.
339 * i386.c (ix86_align_funcs): Delete.
340 (ix86_align_loops): Delete.
341 (ix86_align_jumps): Delete.
342 (override_options): Mark -malign-* as obsolete. Emulate their
343 behaviour with the -falign-* options. Default -falign-* from
345 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
346 patch of Wed May 2 13:09:36 2001.
347 (LOOP_ALIGN): Delete.
348 (LOOP_ALIGN_MAX_SKIP): Delete.
349 (LABEL_ALIGN_AFTER_BARRIER): Delete.
350 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
352 2001-05-04 Andreas Jaeger <aj@suse.de>
354 * except.h: Add prototype declaration for
355 expand_builtin_init_dwarf_reg_sizes.
357 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
359 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
361 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
363 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
365 ("bitcmpqi2"): New pattern for bit-extract and test.
366 ("bitcmphi"): New pattern for bitb/bita instructions.
368 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
370 * gccbug.in: Use a temporary directory when the mktemp command is
373 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
375 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
377 (INITIALIZE_TRAMPOLINE): Call it.
378 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
379 (TRAMPOLINE_TEMPLATE): Remove.
380 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
381 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
384 2001-05-03 David O'Brien <obrien@FreeBSD.org>
386 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
387 and crtendS.o with PIC.
389 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
391 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
393 (___subdi3, ___adddi3): Use x instead of y as index register.
394 (__init_bss_section, __map_data_section): Optimize for 68HC12.
395 (__memset, __memcpy): Likewise.
396 (regs): Put the soft registers in bss for 68HC12.
397 (abort): Use trap to abort for 68hc12.
398 (__mulhi3, __mulhi32): Use emul for 68hc12.
399 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
401 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
403 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
404 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
405 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
406 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
407 Set 68HC12 min offset to -65536.
408 (print_operand): Put parenthesis arround the operand if it refers
409 to a symbol having the same name as a register.
410 (m68hc11_z_replacement): When z register is replaced by its
411 equivalent soft register, force the insn to be re-recognized.
412 (m68hc11_check_z_replacement): Fix the test when destination is
413 the index register and z dies in the insn.
414 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
416 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
418 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
419 costs according to processor variant.
420 (m68hc11_shift_cost): New function to compute shift costs.
421 (m68hc11_rtx_costs): Define costs according to processor variant.
422 (m6811_cost): Costs for 68HC11.
423 (m6812_cost): Costs for 68HC12.
424 (COSTS_N_INSNS): Remove.
426 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
427 (DEFAULT_RTX_COSTS): Remove.
428 (CONST_COSTS): Define costs according to OUTER_CODE.
429 (processor_costs): New struct to define costs.
430 (m68hc11_cost): Pointer to current costs.
432 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
434 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
435 and use m68hc11_notice_keep_cc when using leax/leay.
436 (addhi3 split): Reject split if the insn is handled by
438 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
439 push must be handled in a special way if the source operand uses
440 sp as index register.
441 (m68hc11_notice_keep_cc): New function.
442 (m68hc11_gen_movhi): Use it when an insn changes a register but
444 (m68hc11_gen_movqi): Fix move for 68HC12.
445 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
447 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
449 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
450 and don't pass operands[0] to emit_library_call_value.
452 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
454 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
455 (zero_extendsi split): Simplify and use (zero_extendhi).
456 (*addhi3): Remove 'w' constraint since stack pointer is handled
458 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
459 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
460 (*ashrhi3_const): Fix shift by 7.
461 (*lshrsi3_const16): Fix template.
462 (call, call_value): Fix constraint and predicate.
464 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
466 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
467 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
468 (CC_REGNUM): Likewise.
469 (*unnamed splits): Use above constants instead of hard coded numbers.
470 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
471 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
472 (*return_16bit, *unnamed peepholes): Likewise.
474 2001-05-03 David O'Brien <obrien@FreeBSD.org>
476 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
477 rs6000/rs6000.h twice.
479 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
481 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
482 (CPP_SPEC): Conditionally define MSDOS and GO32.
483 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
484 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
486 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
488 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
490 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
492 2001-05-03 Mark Mitchell <mark@codesourcery.com>
494 * integrate.h (struct inline_remap): Add leaf_reg_map table.
495 * integrate.c (expand_inline_function): Use xcalloc to allocate
497 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
500 2001-05-03 Mark Mitchell <mark@codesourcery.com>
502 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
505 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
507 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
508 linker if -mrelax is given.
509 (TARGET_SWITCHES): Document -mrelax.
511 Re-installed 2001-01-09's patch:
512 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
513 if it's wider than long and the target's long is wider than the
516 2001-05-02 David O'Brien <obrien@FreeBSD.org>
518 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
519 directly include rs6000/rs6000.h. Instead do it in tm.h.
521 2001-05-02 Stan Shebs <shebs@apple.com>
523 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
524 NSConstantString for NeXT-style runtimes.
525 (STRING_OBJECT_GLOBAL_NAME): New macro.
526 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
527 OCTI_STRING_CLASS_DECL.
528 (constant_string_global_id): New macro.
529 (string_class_decl): Ditto.
530 (setup_string_decl): New function.
531 (build_objc_string_object): Use it to build a NeXT runtime
532 compatible string initializer.
534 2001-05-02 Jakub Jelinek <jakub@redhat.com>
536 * tradcpp.c (do_define): Make sure we don't walk past limit.
538 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
540 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
541 offsets if not REG_OK_STRICT.
543 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
544 (INT_REG_OK_FOR_INDEX_P): Likewise.
545 (INT_REG_OK_FOR_BASE_P): Likewise.
546 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
547 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
548 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
549 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
550 REG_OK_FOR_BASE_P. Take an additional parameter.
551 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
552 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
553 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
554 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
555 rs6000_legitimate_address() and use it.
556 * config/rs6000/rs6000.c: Update all callers.
557 (rs6000_legitimate_address): New function.
559 2001-05-02 David Edelsohn <edelsohn@gnu.org>
561 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
562 special_constant conditional blocks together.
564 2001-05-02 Dale Johannesen <dalej@apple.com>
566 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
568 (STRICT_ARGUMENT_NAMING): Define.
569 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
570 function_arg_partial_nregs, setup_incoming_varargs): Remove
571 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
574 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
576 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
578 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
581 * expr.c (store_field): Do nothing except elaborate side-effects if
584 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
586 * c-lex.c: NULL_PTR -> NULL.
588 * emit-rtl.c: Likewise.
590 * genpeep.c: Likewise.
592 * mips-tdump.c: Likewise.
593 * reload1.c: Likewise.
594 * rtlanal.c: Likewise.
596 * stor-layout.c: Likewise.
597 * toplev.c: Likewise.
599 2001-05-01 Per Bothner <per@bothner.com>
601 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
602 call do_pending_stack_adjust before emiting label.
604 2001-05-01 Mark Mitchell <mark@codesourcery.com>
606 * extend.texi: Fix typo.
608 2001-05-01 Stan Shebs <shebs@apple.com>
610 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
611 of UOBJC_MODULES_decl.
612 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
613 (generate_descriptor_table): Ditto.
614 (generate_protocols): Ditto.
615 (generate_protocol_list): Ditto.
616 (generate_classref_translation_entry): Ditto.
618 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
620 * invoke.texi (Optimize Options): Add documentation for `--param
621 max-delay-slot-insn-search' and `--param
622 max-delay-slot-live-search' and reorder --param section.
623 * params.def: Modify initial comment.
624 * params.h (param_info): Add `help' member.
625 * toplev.c (lang_independent_params): Include `help' description.
626 (display_help): Print --param parameters.
628 2001-05-01 Zack Weinberg <zackw@stanford.edu>
630 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
631 Remove references to deleted files.
632 (*-*-openbsd): No need to override xmake_file.
633 (*-*-sysv4): Treat like *-*-sysv.
635 * configure.in: Probe for ldopen in various places, and set up
636 collect2 to be linked with them if found.
637 Don't dink with Windows registry stuff unless $host_os is a
638 Win32 os name. Check to see if we need -ladvapi32.
639 * configure: Regenerate.
641 * Makefile: Get rid of CLIB and HOST_CLIB.
642 Substitute in COLLECT2_LIBS and link collect2 against its contents.
643 * build-make: Get rid of HOST_CLIB.
645 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
646 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
647 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
648 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
649 config/rs6000/x-rs6000: Delete.
651 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
654 24 x-host fragments remain, 0 x-cpu, 3 top level.
656 2001-05-01 Zack Weinberg <zackw@stanford.edu>
658 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
659 * configure: Regenerate.
661 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
663 * Makefile.in (install-headers): Remove redundant dependency.
665 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
667 * c-tree.texi (USING_STMT): Document.
669 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
671 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
672 * c-common.c: Likewise.
673 * c-decl.c: Likewise.
674 * combine.c: Likewise.
675 * rs6000.c: Likewise.
676 * except.c: Likewise.
677 * explow.c: Likewise.
679 * fold-const.c: Likewise.
680 * function.c: Likewise.
683 * integrate.c: Likewise.
685 * objc/objc-act.c: Likewise.
687 * reg-stack.c: Likewise.
688 * reload.c: Likewise.
689 * reload1.c: Likewise.
690 * simplify-rtx.c: Likewise.
692 * varasm.c: Likewise.
694 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
696 * diagnostic.def: New file.
697 * diagnostic.h (diagnostic_t): New enum.
698 * Makefile.in (diagnostic.o): Depend on diagnostic.def
700 2001-04-30 Zack Weinberg <zackw@stanford.edu>
702 * tsystem.h: Test only POSIX for availability of string.h
704 * config.gcc (all systems): If USG appeared in xm_defines,
705 change it to POSIX. If both USG and POSIX appeared, just
706 delete USG. Remove unnecessary quotes around xm_defines
708 (m68k-crds-unos*): Don't #define unos - tested nowhere.
709 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
710 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
711 powerpc-*-linux*): No need to set xm_defines - handled by
712 global settings for *-*-linux*.
714 2001-04-30 Zack Weinberg <zackw@stanford.edu>
716 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
717 Always include gstab.h, not system stab.h. Don't provide
718 default definitions of N_CATCH or N_OPT. Always use the
719 gstab.h variant of STAB_CODE_TYPE.
720 * final.c: Don't include stab.h/gstab.h at all, or provide
721 defaults for N_SLINE and N_SOL.
723 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
724 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
726 * sdbout.c: Always include gsyms.h instead of system syms.h.
728 * configure.in: No need to check for stab.h.
729 * configure, config.in: Regenerate.
730 * Makefile.in (final.o): Don't depend on gstab.h.
732 2001-04-30 Mark Mitchell <mark@codesourcery.com>
733 Richard Henderson <rth@redhat.com>
735 * extend.texi: Improve documentation of volatile asms.
737 2001-04-30 Mark Mitchell <mark@codesourcery.com>
739 * c-tree.texi: Fix thinko.
740 * gcc.texi: Likewise.
742 2001-04-30 Richard Henderson <rth@redhat.com>
744 * c-common.c (c_promoting_integer_type_p): New function, from the
745 corpse of old macro. Properly promote too-small enumerations and
746 booleans. Adjust all callers.
747 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
748 (c_promoting_integer_type_p): Declare.
749 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
750 * c-typeck.c: Likewise.
751 (default_conversion): Remove now redundant boolean check.
753 2001-04-30 Jan Hubicka <jh@suse.cz>
754 Richard Henderson <rth@redhat.com>
756 * regmove.c (try_apply_stack_adjustment): Remove now redundant
758 (combine_stack_adjustments_for_block): Don't combine stack
759 allocation followed by deallocations. Handle grow-up stacks.
761 2001-04-30 Mark Mitchell <mark@codesourcery.com>
763 * fdl.texi: New file.
764 * c-tree.texi: Use the GFDL.
765 * gcc.texi: Likewise.
767 2001-04-30 Stan Shebs <shebs@apple.com>
769 * invoke.texi: Add a section documenting Objective-C options.
771 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
773 * emit-rtl.c (try_split): Copy EH notes to sequence.
775 2001-04-30 Mark Mitchell <mark@codesourcery.com>
777 * regmove.c (record_stack_memrefs): Catch all references to the
780 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
782 * Makefile.in(stmp-fixinc): quote shell assignment values
784 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
786 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
790 * prefix.c: Likewise.
792 2001-04-28 Stan Shebs <shebs@apple.com>
794 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
795 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
796 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
797 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
799 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
800 (NEXT_OBJC_RUNTIME): Define.
802 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
804 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
805 * simplify-rtx.c (simplify_gen_relational): Likewise.
807 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
809 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
810 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
812 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
813 registers in SSE case; fix handling of the immediates.
814 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
815 operands to be in regsiters before reload.
816 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
817 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
818 (abstf,absxf,negtf,negxf splitters): Compute
819 properly the regnum for x86_64.
820 (avsdf2_if_rex64): New.
822 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
824 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
825 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
826 into the constant pool.
827 * jump.c (jump_optimize_1): Remove barrier successors after all
828 the LABEL_NUSES counds have been computed.
829 (delete_barrier_successors): When deleting a tablejump insn, also
830 delete the jump table it uses.
831 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
834 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
836 * pa.c (FRP): Remove erroneous white space in macro definition.
838 2001-04-28 Andreas Jaeger <aj@suse.de>
840 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
842 * extend.texi: Likewise.
845 2001-04-28 Andreas Jaeger <aj@suse.de>
847 * md.texi: Use XX-bit instead of XXbit or XX bit where
850 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
852 * gcc.c (process_command): Allow -l lib in addition to -llib
853 for POSIX compliance. This fixes PR c/2347.
855 * invoke.texi: Update section on Link Options accordingly.
857 2001-04-27 Zack Weinberg <zackw@stanford.edu>
859 * function.c (purge_addressof_1): Remove the duplicate
860 if (code == SET) block. Fold the two if (code == ADDRESSOF)
863 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
865 * except.c (expand_eh_region_start): Don't start a new block.
866 (expand_eh_region_end): Don't end a block.
867 * stmt.c (expand_end_bindings): Don't end EH blocks.
868 (expand_decl_cleanup): Starting an EH region won't change the block.
869 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
870 (is_eh_region): Lose.
873 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
875 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
877 * collect2.c (main): Add `-L' case to remove duplicate entries.
878 (is_in_args): New function to check for a duplicate argument.
879 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
880 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
881 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
882 Define to be nonzero.
884 2001-04-27 Andreas Jaeger <aj@suse.de>
885 Richard Henderson <rth@redhat.com>
887 * md.texi (Machine Constraints): Document additional i386
888 constraints and fix description of "A".
890 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
892 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
894 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
896 * except.c (get_exception_filter): word_mode, not Pmode.
898 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
900 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
901 common to other movsf patterns. Move up so that in future
902 people who change the other patterns will change it too.
903 (movsf_lo_sum): Allow even for soft-float; add appropriate
905 (movsf_high): Likewise.
906 (movsf_high+1): Allow even for soft-float.
908 * function.c (expand_function_end): Always clobber the
909 return registers, even if there is no return label.
911 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
913 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
915 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
917 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
918 (pushqi2_rex64, pushhi2_rex64): Add.
920 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
922 * except.c (expand_eh_region_end_cleanup): Force pending stack
923 adjust before emitting label that branches around cleanup code.
925 2001-04-26 H.J. Lu (hjl@gnu.org)
927 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
929 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
931 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
932 (ASM_OUTPUT_SECTION_NAME): Likewise.
933 (ASM_WEAKEN_LABEL): Likewise.
934 (UNIQUE_SECTION): Likewise.
935 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
936 (ASM_OUTPUT_DESTRUCTOR): Likewise.
937 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
938 (ASM_OUTPUT_SECTION_NAME): Likewise.
939 (ASM_WEAKEN_LABEL): Likewise.
940 (UNIQUE_SECTION): Likewise.
941 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
942 (ASM_OUTPUT_DESTRUCTOR): Likewise.
943 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
944 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
945 (ASM_FILE_START): Likewise.
946 (ASM_OUTPUT_SOURCE_LINE): Likewise.
947 (ASM_DECLARE_OBJECT_NAME): Likewise.
948 (ASM_FILE_END): Likewise.
949 (ASM_DECLARE_FUNCTION_NAME): Likewise.
950 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
951 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
952 (ASM_OUTPUT_CASE_LABEL): Likewise.
953 (ASM_OUTPUT_SKIP): Likewise.
954 (ASM_OUTPUT_ASCII): Likewise.
955 (ASM_OUTPUT_IDENT): Likewise.
956 (READONLY_DATA_SECTION): Likewise.
957 (EXTRA_SECTIONS): Likewise.
958 (EXTRA_SECTION_FUNCTIONS): Likewise.
959 (SELECT_RTX_SECTION): Likewise.
960 (SELECT_SECTION): Likewise.
962 * config/mips/linux.h (INVOKE__main): Undefine.
963 (CTOR_LIST_BEGIN): Likewise.
964 (CTOR_LIST_END): Likewise.
965 (DTOR_LIST_BEGIN): Likewise.
966 (DTOR_LIST_END): Likewise.
967 (SET_ASM_OP): Defined it to ".dummy".
968 (ASM_OUTPUT_DEF): Defined.
969 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
971 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
973 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
974 assembler supports .p2align.
976 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
978 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
980 2001-04-26 Jakub Jelinek <jakub@redhat.com>
982 * integrate.c (expand_inline_function): Check for error_mark_node
985 2001-04-26 Jakub Jelinek <jakub@redhat.com>
987 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
990 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
992 * configure.in (configargs.h): Define thread_model.
993 * configure: Rebuilt.
994 * gcc.c (main): Print it with -v.
996 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
998 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
999 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1000 * gcc.1: Regenerate.
1002 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1004 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1005 is_redundant_typedef): Use static inline instead of inline static.
1007 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1009 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1010 this directory is always searched.
1012 2001-04-25 Richard Henderson <rth@redhat.com>
1014 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1015 of registers to restore along non eh_return path.
1017 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1019 * c-format.c (check_format_info_recurse): Handle
1020 PLUS_EXPR for format string.
1022 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1024 * config/ia64/ia64.h (CC1_SPEC): Define.
1025 * config/ia64/linux.h (CC1_SPEC): Define.
1027 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1029 * emit-rtl.c (constant_subword): Also do sign extension in
1030 BITS_PER_WORD == 16 case.
1032 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1034 * loop.c (try_swap_copy_prop): Go back to checking insn.
1036 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1038 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1039 if check_mode is non-zero.
1041 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1043 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1044 out and comparison sequence has been detected, put result into
1045 proper temporary pseudo.
1047 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1049 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1050 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1051 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1052 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1053 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1054 for future reference.
1056 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1058 * except.c (reachable_handlers): Step out one level from a RESX.
1060 * except.c (struct eh_region): Rename 'last' to 'resume'.
1061 (mark_eh_region, duplicate_eh_region_1): Adjust.
1062 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1063 (build_post_landing_pads): Likewise.
1064 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1065 (expand_eh_region_end_must_not_throw): Likewise.
1066 (connect_post_landing_pads): Thread (only) regions with non-deleted
1069 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1070 registers around the cleanup.
1071 (get_exception_filter): New fn.
1072 (finish_eh_generation): Use it.
1074 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1076 * c-semantics.c (add_scope_stmt): Don't call
1077 current_scope_stmt_stack multiple times.
1079 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1080 Nathan Sidwell <nathan@codesourcery.com>
1082 Lazy __FUNCTION__ generation.
1083 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1084 RID_C99_FUNCTION_NAME): New _RIDs.
1085 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1086 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1087 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1089 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1090 (c99_function_name_decl_node, function_name_decl_node,
1091 pretty_function_name_decl_node, saved_function_name_decls):
1093 (struct language_function): Remove x_function_name_declared_p.
1094 (make_fname_decl): Remove a parameter.
1095 (declare_function_names): Remove prototype.
1096 (start_fname_decls, finish_fname_decls): Prototype.
1097 (fname_as_string): Likewise.
1098 (fname_string, fname_decl): Likewise.
1099 * c-common.c (make_fname_decl): Adjust.
1100 (struct fname_var_t): New struct.
1101 (fname_vars): New static array.
1102 (declare_function_name): Remove.
1103 (start_fname_decls, finish_fname_decls): New functions.
1104 (fname_as_string): New function from remnants of
1105 declare_function_name.
1106 (fname_string, fname_decl): New functions.
1108 * c-decl.c (c_function_name_declared_p): Remove.
1109 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1110 don't call declare_function_name. Call start_fname_decls.
1111 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1112 clobber the line number. Call finish_decl.
1113 (start_function): Call start_fname_decls.
1114 (finish_function): Call finish_fname_decls.
1115 Remove c_function_name_declared_p.
1116 (push_c_function_context): Don't push c_function_name_declared_p.
1117 (pop_c_function_context): Don't pop c_function_name_declared_p.
1118 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1119 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1120 (program): Call finish_fname_decls for C.
1121 (primary): Add VAR_FUNC_NAME.
1122 (reswords): Add slots for __FUNCTION__ et al.
1123 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1124 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1125 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1126 * c-semantics.c (prune_unused_decls): Remove.
1127 (finish_stmt_tree): Don't call prune_unused_decls.
1128 (genrtl_decl_stmt): Don't prune unused decls here.
1130 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1132 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1133 constant pool, use the pool's SYMBOL_REF instead.
1135 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1138 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1140 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1141 passing nested NOP_EXPRs to fold.
1143 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1145 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1147 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1149 * loop.c (loop_delete_insns): Add prototype.
1151 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1153 * configure.in: Remove ENABLE_STD_NAMESPACE.
1154 * config.in: Regenerated.
1155 * configure: Regenerated.
1157 2001-04-22 Stan Shebs <shebs@apple.com>
1159 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1161 * config/rs6000/xm-darwin.h: Remove file.
1163 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1165 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1166 (write_c_file_stat): Likewise.
1168 * dbxout.c (dbxout_init): Likewise.
1170 * profile.c (output_func_start_profiler): Likewise.
1172 2001-04-22 Philipp Thomas <pthomas@suse.de>
1174 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1175 require it instead of the CVS version.
1176 * cpperror.c (v_message): Put a blank before the macro
1177 body to not confuse exgettext.
1179 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1181 * flow.c (proagate_one_insn): Remove useless assignment.
1182 * jump.c (delete_insn): Tidy.
1183 * loop.c (try_copy_prop): When deleting an instruction with a
1184 REG_RETVAL note, delete the entire libcall sequence.
1185 (loop_delete_insns): New function.
1186 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1187 we're not substituting into them yet.
1189 2001-04-21 Kazu Hirata <kazu@hxi.com>
1191 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1193 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1195 * config/i960/i960.c (signed_arith_operand): Likewise.
1197 * calls.c (expand_call): Fix a comment typo.
1199 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1201 * configure.in: Probe for times, clock, struct tms, and clock_t.
1202 * configure, config.in: Regenerate.
1203 * timevar.c: Replace ifdef forest in get_time with (relatively)
1204 straightforward series of checks based on autoconf's probes.
1206 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1208 * config/pa/som.h (NM_FLAGS): Define.
1210 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1212 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1214 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1215 * ia64.c (nop_cycles_until): New function.
1216 (prev_cycle, prev_first, last_issued): New static variables.
1217 (ia64_sched_reorder): Additional arg for clock.
1218 On final scheduling pass, emit extra NOPs as needed.
1219 Set prev_first and prev_cycle.
1220 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1221 (ia64_variable_issue): Set last_issued.
1223 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1225 * config/i386/i386.c (ix86_expand_int_movcc,
1226 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1228 2001-04-20 Geoff Keating <geoffk@redhat.com>
1230 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1231 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1232 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1233 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1234 ctrdi_internal6): In the short-branch case, this insn is only 4
1235 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1237 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1239 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1240 "=u" is used together with "st" resp. "st(1)" clobber.
1242 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1244 * gcse.c (gcse_main): Fix comment typo.
1245 (delete_null_pointer_check): Likewise.
1246 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1247 * cse.c (cse_insn): Likewise.
1248 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1251 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1253 * toplev.c: Excise all code for the undocumented -dm option.
1254 (float_signal): Call signal just once, unconditionally.
1256 2001-04-19 Geoff Keating <geoffk@redhat.com>
1258 * fold-const.c (fold): Use first_rtl_op rather than
1259 TREE_CODE_LENGTH when looping over parameters of a tree.
1260 Correct strange grouping in test for evaluated SAVE_EXPR.
1262 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1264 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1265 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1267 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1268 name at 32 total characters.
1269 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1270 functions in named sections -- data items can still go into unique
1271 sections, but they have normal names (ie $LIT$ and $DATA$).
1273 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1276 2001-04-19 DJ Delorie <dj@redhat.com>
1278 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1279 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1280 * config/i386/cygwin.h: Likewise.
1281 * config/i386/mingw32.h: Likewise.
1282 * config/vax/vms.h: Likewise.
1283 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1285 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1286 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1287 * config/i386/xm-cygwin.h: Likewise.
1288 * config/i386/xm-djgpp.h: Likewise.
1289 * config/i386/xm-mingw32.h: Likewise.
1290 * config/vax/xm-vms.h: Likewise.
1292 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1293 instead of OBJECT_SUFFIX.
1294 * collect2.c (find_a_file): Look for files matching the extension
1295 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1296 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1297 TARGET_EXECUTABLE_SUFFIX.
1298 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1299 (make_relative_prefix): Likewise.
1300 (convert_filename): Use TARGET_ suffixes throughout. Remove
1302 (process_command): Likewise.
1303 (do_spec_1): Likewise.
1304 * java/lang.c (init_parse): Likewise.
1306 * gcc.texi : Document four new options matching the pattern
1307 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1308 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1309 documentation for NO_AUTO_EXE_SUFFIX.
1311 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1313 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1314 that language-independent processing should not be done.
1315 * toplev.c (main): Adjust accordingly.
1317 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1318 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1320 * mips.md (reload_outputdi): Require that operand0 be a
1323 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1325 * invoke.texi (-Wshadow): Clarify.
1327 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1329 * loop.c (load_mems): Examine all the instructions in the loop
1330 before concluding that all jumps branch to the first instruction
1333 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1335 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1337 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1339 * cpp.texi (-Wwhite-space): Remove.
1340 (-Wall): -Wall does not imply -Wwhite-space.
1342 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1344 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1345 use it instead of blindly generating a .stabs.
1346 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1348 * xcoffout.c: Don't bother defining default for N_CATCH.
1349 (UNKNOWN_STAB): Use internal_error.
1350 (stab_to_sclass): Remove now-unnecessary aborts.
1351 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1353 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1355 * jump.c (mark_all_labels): Canonicalize the tail recursion
1356 label attached to CALL_PLACEHOLDER insns.
1358 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1360 * output.h (dump_flow_info, free_basic_block_vars,
1361 which_alternative): Delete redundant prototypes.
1363 * rtl.h (bss_section): Likewise.
1365 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1367 * dbxout.c (N_OPT): Define if not available from <stab.h>
1369 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1371 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1372 libraries and native K&R compilers.
1374 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1376 * c-typeck.c (convert_arguments): Don't check for width changes
1379 * invoke.texi (-Wtraditional): Update documentation.
1381 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1383 * toplev.c (output_lang_identify): Delete.
1384 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1385 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1386 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1387 after calling ASM_FILE_END.
1389 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1390 Instead, unconditionally emit an N_OPT stab with string equal
1391 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1393 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1395 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1396 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1397 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1398 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1399 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1400 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1401 config/i370/i370.h, config/i386/beos-elf.h,
1402 config/i386/osf1elf.h, config/i386/osfrose.h,
1403 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1404 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1405 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1406 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1407 config/mips/iris6.h, config/mips/osfrose.h,
1408 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1409 config/sparc/sp64-elf.h:
1410 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1411 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1413 * config/elfos.h, config/freebsd.h, config/linux.h,
1414 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1415 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1416 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1417 of ASM_FILE_START which merely emit a .version directive. Delete
1418 definitions of ASM_FILE_END which merely emit an .ident directive.
1420 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1421 ASM_IDENTIFY_GCC and move part of its logic into
1424 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1425 config/sparc/linux-aout.h: Don't emit .version directive in
1428 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1429 (output_file_start): Correct comment.
1431 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1432 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1434 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1435 * config/rs6000/aix.h: Correct comment.
1437 * config/i386/i386afe.h: Delete.
1438 * config.gcc: Remove references to i386afe.h.
1440 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1441 other macros deleted by this patch were undocumented.
1443 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1445 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1447 * pa.c (secondary_reload_class): SAR<->FP copies require a
1450 * install.texi (mips-mips-bsd): Update list of functions
1451 required to include memmove.
1452 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1453 used functions to include memmove.
1455 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1457 * i386.md (sqrtdf2): SFmode should be DFmode.
1459 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1461 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1462 (find_moveable_store): Likewise.
1464 2001-04-15 Jim Wilson <wilson@redhat.com>
1466 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1468 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1470 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1471 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1473 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1475 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1478 2001-04-14 Alan Modra <amodra@one.net.au>
1480 * pa.c (force_mode): New function.
1481 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1483 2001-04-13 Jim Wilson <wilson@redhat.com>
1485 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1486 (first_instruction): New static variable.
1487 (rtx_needs_barrier): Return 1 for alloc.
1488 (init_insn_group_barriers): Set first_instruction.
1489 (rws_sum): Delete duplicate definition.
1490 (group_barrier_needed_p): Return 0 when first_instruction true.
1491 (safe_group_barrier_needed_p): Save and restore first_instruction
1492 around group_barrier_needed_p call.
1494 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1496 * expr.h (enum libfunc_index): Add LTI_memmove.
1497 (memmove_libfunc): Define macro.
1498 * optabs.c (init_optabs): Initialize memmove_libfunc.
1499 * expr.c (expand_assignment): Use memmove_libfunc instead of
1502 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1504 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1507 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1509 * Makefile.in (reg-stack.o): Depend on reload.h.
1510 (insn-attrtab.o): Depend on flags.h.
1512 * genattrtab (main): Include flags.h in insn-attrtab.c.
1514 * reg-stack.c: Include reload.h.
1516 * sparc.h (flag_pic): Delete redundant declaration.
1518 * output.h (flag_pic): Likewise.
1520 * tree.h (pedantic): Likewise.
1522 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1524 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1526 * jump.c, regmove.c, toplev.c: Include reload.h.
1528 * reload.h (reload_cse_regs): Declare.
1530 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1531 reload_cse_regs, init_reload, mark_home_live, reload,
1532 init_caller_save): Delete redundant prototypes.
1534 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1536 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1538 * regclass.c, ssa.c: Include expr.h.
1540 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1541 gen_move_insn): Delete redundant declarations.
1543 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1545 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1546 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1547 MAKEINFO and MAKEINFOFLAGS too.
1548 (stage4_build): Correctly order -B flags.
1550 2001-04-13 Alan Modra <amodra@one.net.au>
1552 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1553 PIC_OFFSET_TABLE_SAVE_RTX.
1554 (zdepi_cint_p): Describe zdepi insn.
1555 Formatting and white space fixes throughout file.
1557 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1558 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1559 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1560 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1561 (output_64bit_and): Use plain `int's for shift counts.
1562 (output_64bit_ior): Likewise.
1563 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1564 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1567 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1568 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1569 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1570 NEW_HP_ASSEMBLER into one. Kill warnings.
1572 * pa-gas.h: Delete file.
1573 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1574 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1575 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1576 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1578 * config/pa/mill32.S: New file.
1579 * config/pa/mill64.S: New file.
1580 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1581 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1582 * config/pa/t-linux64: New file.
1583 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1584 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1585 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1587 * elfos.h (SELECT_SECTION): Undef before defining.
1588 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1589 (LIB_SPEC): Remove -lmilli.
1590 (DBX_REGISTER_NUMBER): Remove.
1591 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1592 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1593 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1594 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1595 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1596 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1597 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1598 TARGET_GAS): Define.
1599 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1600 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1601 regs if we don't have a prototype.
1602 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1603 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1604 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1605 EH_RETURN_HANDLER_RTX): Define.
1606 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1607 (DWARF_FRAME_REGNUM): Define.
1608 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1609 * pa32-linux.h: New file.
1610 * pa64-linux.h: New file.
1612 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1613 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1614 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1615 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1616 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1617 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1618 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1619 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1620 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1621 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1622 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1623 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1624 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1625 * pa64-hpux.h: New file.
1626 (ASM_FILE_START): Correct typo.
1627 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1628 * config.gcc: Modify for above.
1630 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1632 * jump.c (jump_optimize_1): Don't delete dead stores here.
1633 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1634 prior to running jump optimize before cse2.
1636 2001-04-12 Richard Henderson <rth@redhat.com>
1638 * Makefile.in (regmove.o): Depend on except.h.
1639 * regmove.c: Include it.
1641 2001-04-12 Stan Shebs <shebs@apple.com>
1643 * objc/objc-act.c: Remove all code ifdefed with the never-used
1644 macro OBJC_INT_SELECTORS.
1645 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1646 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1648 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1650 * config/pa/quadlib.c: Add prototypes.
1652 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1654 * bitmap.h (debug_bitmap): Delete redundant prototype.
1656 * rtl.h (get_frame_size): Likewise.
1658 2001-04-12 Jim Wilson <wilson@redhat.com>
1660 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1661 to just emit an fnorm.
1663 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1665 * c-common.h (truthvalue_conversion, type_for_mode,
1666 type_for_size): Delete redundant declarations.
1668 * c-lex.h (is_class_name): Likewise.
1670 * c-tree.h (pedantic, convert, getdecls, gettags,
1671 global_bindings_p, init_decl_processing, insert_block,
1672 maybe_build_cleanup, poplevel, print_lang_decl,
1673 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1674 set_block, incomplete_type_error, build_function_call,
1675 lvalue_or_else, mark_addressable): Likewise.
1677 * expr.h (expand_tree_builtin): Likewise.
1679 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1681 * invoke.texi: Document --param max-gcse-memory.
1683 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1685 * configure.in (errno): Check for declaration.
1686 * configure, config.in: Regenerated.
1688 * system.h (errno): Only declare if not already done.
1690 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1692 * recog.c (general_operand, immediate_operand,
1693 nonmemory_operand): Require CONST_INTs to be sign-extended
1694 values for their modes.
1696 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1698 * expmed.c (store_bit_field): Truncate CONST_INTs.
1699 (expand_mult_highpart, expand_divmod): Likewise.
1700 * expr.c (convert_modes, store_field): Likewise.
1701 * integrate.c (expand_inline_function): Use promote_mode() to
1702 determine whether to convert_modes() an argument as signed
1704 * optabs.c (expand_binop): Get CONST_INT operands
1705 sign-extended for their appropriate modes.
1706 * stmt.c (emit_case_nodes): Convert node values to the
1708 (expand_end_case): Convert minval and range to the appropriate
1710 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1711 the iteration variable.
1712 * varasm.c (immed_double_const): Don't require words to be
1713 narrower than host wide ints to properly sign-extend
1716 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1718 * sh.md (builtin_setjmp_receiver): New expander.
1720 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1722 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1723 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1724 for generating CONST_INT and CONST_DOUBLE.
1726 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1728 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1729 already sign-extended.
1730 (rs6000_emit_prologue): Make register iterator signed.
1731 (rs6000_emit_epilogue): Likewise.
1732 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1734 (movsf split, movdf split): Sign-extend CONST_INTs.
1735 (movdi splits): Likewise.
1737 2001-04-12 Kelley Cook <kelley.cook@home.com>
1739 * config-lang.in (lang_dirs): Add in zlib.
1741 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1743 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1744 operands that make it to RTL.
1746 2001-04-11 Stan Shebs <shebs@apple.com>
1748 Add Darwin (Mac OS X kernel) native support.
1749 * config.gcc (powerpc-*-darwin*): Add native bits.
1750 * config/darwin.c: New file, generic Darwin support functions.
1751 * config/darwin.h: New file, generic Darwin definitions.
1752 * config/darwin-protos.h: New file, generic Darwin prototypes.
1753 * rs6000/darwin.h: New file, Darwin for PowerPC.
1754 * rs6000/t-darwin: New file, Darwin makefile fragment.
1755 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1756 (TARGET_MACHO): Ditto.
1757 (rs6000_abi): Add ABI_DARWIN.
1758 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1759 (RS6000_SAVE_AREA): Ditto.
1760 (FP_ARG_MAX_REG): Ditto.
1761 (RETURN_ADDRESS_OFFSET): Ditto.
1762 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1764 (rs6000_emit_move): Add ABI_DARWIN cases.
1765 (print_operand): Ditto.
1766 (first_reg_to_save): Ditto.
1767 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1768 (debug_stack_info): Ditto.
1769 (rs6000_emit_prologue): Ditto.
1770 (rs6000_emit_epilogue): Ditto.
1771 (output_profiler_hook): Ditto.
1772 (output_function_profiler): Ditto.
1773 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1774 (output_mi_thunk): Add TARGET_MACHO case.
1775 (add_compiler_stub): Ditto.
1776 (output_compiler_stub): Ditto.
1777 (no_previous_def): Ditto.
1778 (output_call): Ditto.
1779 (machopic_output_stub): Ditto.
1780 (rs6000_machopic_legitimize_pic_address): Ditto.
1781 (toc_section): Ditto.
1782 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1783 (macho_high): Ditto.
1786 (load_macho_picbase): Ditto.
1787 (call): Add TARGET_MACHO case to modify function.
1788 (call_value): Ditto.
1789 (call_nonlocal_sysv): Add ABI_DARWIN case.
1790 (call_value_nonlocal_sysv): Ditto.
1791 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1793 (machopic_output_stub): Ditto.
1794 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1796 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1798 * dwarf2out.c (modified_type_die): Don't create new types here.
1799 * tree.h (get_qualified_type): New function.
1800 (build_qualified_type): Adjust comment.
1801 * tree.c (get_qualified_type): New function.
1802 (build_qualified_type): Use it.
1804 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1806 * cpp.texi (-Wtraditional): Update description.
1808 * invoke.texi (-Wtraditional): Likewise.
1810 2001-04-11 Jim Wilson <wilson@redhat.com>
1812 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1813 requires more than 64 bits of alignment.
1815 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1817 * cpplib.c (do_line): Sanity check iff enable checking.
1819 2001-04-11 Richard Henderson <rth@redhat.com>
1821 * Makefile.in (insn-recog.o): Depend on toplev.h.
1822 (insn-emit.o, doloop.o): Likewise.
1823 * genrecog.c, genemit.c: Include toplev.h in generated file.
1824 * doloop.c: Include toplev.h.
1826 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1828 * Makefile.in (gcse.o): Depend on params.h.
1829 * gcse.c: Include params.h.
1830 (gcse_main): Don't do GCSE if doing so will take inordinate
1832 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1833 * params.h (MAX_GCSE_MEMORY): New macro.
1835 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1837 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1839 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1841 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1843 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1845 * real.h (ereal_atof, real_value_truncate, target_isnan,
1846 target_isinf, target_negative, assemble_real, debug_real): Delete
1847 redundant prototypes.
1849 * Makefile.in (ifcvt.o): Depend on toplev.h.
1851 * c-semantics.c: Include expr.h.
1853 * ifcvt.c: Include toplev.h.
1855 * expr.h (rtx_equal_p): Delete prototype.
1857 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1858 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1859 eliminate_constant_term, expand_complex_abs, find_single_use,
1860 make_tree, init_expr_once, init_optabs, supports_one_only):
1863 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1864 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1865 expand_assignment, store_expr, emit_line_note_after,
1866 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1868 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1870 * sparc-protos.h: Delete redundant prototypes.
1872 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1874 * reload.c (push_reload): Add condition missed in SUBREG byte
1877 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1879 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1881 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1883 * i386.md (floatsisf_sse): Fix output template
1884 * i386.c (ix86_expand_fp_movcc)
1886 * reg-stack.c (emit_pop_insn): Handle complex modes.
1887 (move_for_stack_reg): Emit proper move mode.
1888 (subst_stack_regs_pat): Handle complex modes.
1890 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1892 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1894 2001-04-10 Richard Henderson <rth@redhat.com>
1896 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1897 (__pure_virtual, __terminate, __terminate_set_func,
1898 __default_terminate, __throw_type_match, __empty,
1899 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1900 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1901 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1902 Remove prototypes of deleted functions.
1904 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1906 * c-typeck.c (convert_arguments): -Wtraditional now activates
1907 -Wconversion warnings, except for changes in signed-ness.
1908 Detect complex<->int & int<->complex conversions as well.
1910 * invoke.texi (-Wtraditional): Document it.
1912 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1914 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1915 * flow.c (set_block_for_new_insns): Remove needless cast and
1916 properly check for unset block number.
1918 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1920 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1921 the subreg was a hard register. Pseudos are left as subregs.
1923 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1925 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1926 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1927 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1928 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1929 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1931 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1933 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1935 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1937 * output.h (set_block_num): Missed it earlier, remove deprecated
1940 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1942 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1943 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1944 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1945 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1946 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1947 (expr_killed_p): Change bb parameter from int to basic_block, pass
1948 basic_blocks instead of ints as parameters.
1949 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1950 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1951 from int to basic_block, pass basic_blocks instead of ints as parms.
1952 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1953 parameter from int to basic_block, pass basic_blocks instead of ints.
1954 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1955 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1956 pass basic_blocks instead of ints.
1957 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1958 basic_blocks instead of ints as parameters.
1959 (pre_delete): Pass basic_blocks instead of ints as parameters.
1960 (hoist_expr_reaches_here_p): Change bb parameter from int to
1961 basic_block, pass basic_blocks instead of ints.
1962 (hoist_code): Pass basic_blocks instead of ints as parameters.
1963 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1964 Change bb parameter from int to basic_block.
1965 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1966 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1967 pass basic_blocks instead of ints.
1968 (insert_store): Pass basic_blocks instead of ints as parameters.
1969 (replace_store_insn, delete_store): Change bb parameter from int to
1970 basic_block, pass basic_blocks instead of ints.
1971 (store_motion): Pass basic_blocks instead of ints as parameters.
1973 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1975 * basic-block.h (set_new_block_for_insns): New Prototype.
1976 (set_block_num): Delete prototype.
1977 * flow.c (set_block_num): Remove obsolete function.
1978 (set_block_for_new_insns): Set BB for single or multiple insns.
1979 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1980 (process_insn_end_bb): Use set_block_for_new_insns or
1981 set_block_for_insn instead of set_block_num.
1982 (pre_insert_copy_insn): Use set_block_for_new_insns.
1983 (update_ld_motion_stores): Use set_block_for_new_insns.
1984 (insert_insn_start_bb): Use set_block_for_new_insns.
1985 (replace_store_insn): Use set_block_for_new_insns.
1987 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1988 Jeff Law <law@redhat.com>
1990 * alias.c (get_addr): Externalize.
1991 (canon_true_dependence): New function. Behaves like true_dependance
1992 except it already assumes a MEM has been canonicalized.
1993 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1994 * gcse.c (struct ls_expr): Add load/store expressions structure.
1995 (modify_mem_list, canon_modify_mem_list): New variable.
1996 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1997 load motion and store motion if requested.
1998 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1999 (free_gcse_mem): Free the modify_mem_list array.
2000 (oprs_unchanged_p): Use load_killed_in_block_p.
2001 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2002 (mems_conflict_for_gcse_p): New function. Don't kill loads
2003 with stores to themselves if its in the load/store expression list.
2004 (load_killed_in_block_p): New function.
2005 (canon_list_insert): New Function.
2006 (record_last_mem_set_info): Keep a list of all instructions which
2007 can modify memory for each basic block.
2008 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2009 (oprs_not_set_p): Use load_killed_in_block_p.
2010 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2011 (expr_killed_p): Use load_killed_in_block_p.
2012 (compute_transp): Do not pessimize memory references.
2013 (pre_edge_insert): Update stores for a load motion expression.
2014 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2015 (ldst_entry): Find or create a ldst_expr structure.
2016 (free_ldst_entry): Free memory for an individual item.
2017 (free_ldst_mems): Free entire load/store expression list.
2018 (print_ldst_list): Print debug info.
2019 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2020 (enumerate_ldsts): Assign integer values to each entry in list.
2021 (first_ls_expr): First expression in the list.
2022 (next_ls_expr): Next expression in the list.
2023 (simple_mem): Check if expression qualifies for ld/st expression list.
2024 (invalidate_any_buried_refs): Remove from expression list if its
2025 used in some other way we dont understand.
2026 (compute_ld_motion_mems): Find all potential enhanced load motion
2028 (trim_ld_motion_mems): Remove any expressions which are invalid.
2029 (update_ld_motion_stores): Copy store values to registers for loads
2030 which have been moved.
2031 (regvec, st_antloc, num_store): New global statics.
2032 (reg_set_info): Marks registers as set.
2033 (store_ops_ok): Verfies registers expressions are valid in a block.
2034 (find_moveable_store): Look for moveable stores in a pattern.
2035 (compute_store_table): Find stores in a function worth moving, maybe.
2036 (load_kills_store): Check dependance of a load and store.
2037 (find_loads): Find any loads in a pattern.
2038 (store_killed_in_insn): Check if a store is killed in an insn.
2039 (store_killed_after): Check is store killed after an insn in a block.
2040 (store_killed_before): Check is store killed before an insn in a block.
2041 (build_store_vectors): Generate the antic and avail vectors.
2042 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2043 (insert_store): Add a store to an edge.
2044 (replace_store_insn): Replace a store with a SET insn.
2045 (delete_store): Delete a store insn.
2046 (free_store_memory): Free memory.
2047 (store_motion): Perform store motion.
2048 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2049 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2050 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2051 (f_options): Add gcse-lm and gcse-sm.
2053 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2055 * i386.c (expand_fp_movcc): Fix condition reversal code.
2057 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2058 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2059 (CLASS_MAX_NREGS): Use it.
2061 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2062 handle properly complex values.
2063 (CLASS_MAX_NREGS): Likewise; update comment.
2065 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2067 * ia64.c (ia64_flag_schedule_insns2): New variable.
2068 (ia64_override_options): Initialize it. Clear
2069 flag_schedule_insns_after_reload.
2070 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2072 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2074 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2075 Do not require source to match destination anymore;
2076 Add abort to the nontrivial cases that should be handled by split.
2077 (fix_trunc?fdi): Add SSE case for x86_64.
2078 (floatdi?f): Likewise.
2079 (floatdi?f_sse): New.
2080 (fix_trunc?fdi_sse): New.
2082 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2084 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2085 (DEBUG_ARANGES_END_LABEL): Ditto.
2086 (dwarfout_init): Generate length and version fields at the start
2087 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2088 after the length field.
2089 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2090 the .debug_aranges info.
2092 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2094 * i386.c (call, call_value): Make sure that resulting call_insn
2095 does have proper second operand.
2097 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2099 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2100 function. Remove include of sys/cygwin.h.
2102 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2104 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2105 (CPP_SPEC): Always search */include/w32api for header files.
2106 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2107 (LINK_SPEC): Add "cyg" to the library search prefixes.
2109 2001-04-08 Philip Blundell <philb@gnu.org>
2111 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2113 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2115 * cpperror.c (print_location): Don't special case <stdin>.
2116 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2117 WARNING, but we don't check if we're in system headers.
2118 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2119 * cpplib.c (do_warning): Warn in system headers.
2121 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2123 * mbchar.c: Include config.h first.
2125 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2127 * config.gcc: Set default for xmake_file at top, not bottom.
2128 Change places that set xmake_file to "none" to set to the
2129 empty string instead, or remove them entirely if there is no
2130 default xmake_file for this cpu_type. Remove references to
2133 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2134 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2135 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2136 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2137 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2138 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2139 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2140 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2141 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2142 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2145 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2146 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2147 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2148 config/mips/x-sysv, config/rs6000/x-aix31:
2149 Just set CLIB to -lld or -lmld, as appropriate.
2151 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2152 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2153 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2154 config/mips/x-iris, config/pa/x-pa:
2155 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2156 OTHER_FIXINCLUDES_DIRS.
2158 * config/i386/x-djgpp: Don't set LN or LN_S.
2159 * config/m88k/x-dolph: Don't define __m88k__.
2160 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2161 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2162 * config/i860/fx2800.h: No need to #undef SVR4.
2164 38 x-host fragments remain, 2 x-cpu.
2166 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2168 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2170 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2172 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2174 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2176 * configure.in: Add check for lstat.
2177 * configure, config.in: Regenerate.
2178 * cppinit.c (append_include_chain): Make empty path ".".
2179 * cpplib.c (do_line): Don't simplify #line paths.
2180 * cppfiles.c (remove_component_p): New function.
2181 (find_or_create_entry): Acknowledge stat () errors during
2182 path simplification.
2183 (handle_missing_header): Don't simplify paths.
2184 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2185 the empty path untouched. Don't leave a trailing '/'.
2187 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2189 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2190 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2192 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2194 * cppfiles.c (open_file): Fail directories silently, but
2195 with an errno of NOENT set.
2196 (read_include_file): Move the common exit code to the sole
2197 caller. Return an int indicating success or failure. Let
2198 open_file handle directories.
2199 (stack_include_file): If read_include_file fails,
2200 push a "null" buffer.
2202 2001-04-05 DJ Delorie <dj@redhat.com>
2204 * function.h (virtuals_instantiated): Declare.
2205 * function.c: (virtuals_instantiated): Make global.
2206 * calls.c (emit_library_call_value_1): Use
2207 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2208 Otherwise, use the stack pointer directly.
2210 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2212 * i386.c (x86_initialize_trampoline): New global function.
2213 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2214 (INITIALIZE_TRAMPOLINE): Move offline.
2215 * i386-protos.h (x86_initialize_trampoline): Declare.
2217 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2219 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2220 (lea_0): Rename to lea_1.
2221 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2222 (lea_general_?): Allow SImodes on TARGET_64BIT
2223 (lea_general_?_zext): New patterns.
2224 (call_1, call_1_rex64): Fix.
2226 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2228 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2230 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2232 * i386.c (function_arg): Return constm1_rtx for last argument.
2233 (ix86_expand_prologue): Update gen_call calls.
2234 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2235 * i386.md (call_pop): Likewise.
2236 (call): Second operand is VOIDmode.
2237 (call_0): Likewise; Support 64bits.
2238 (call_exp): New expander.
2239 (call_1): Get to the sync.
2240 (call_1_exp): New pattern.
2241 (call_value): Support 64bit.
2242 (call_value_exp): New pattern.
2243 (untyped_call): Update gen_call call.
2244 (call_value_pop): Disable for 64bit.
2245 (call_value_0_rex64): New pattern.
2246 (call_value_1_rex64): Likewise.
2248 2001-04-05 Bo Thorsen <bo@suse.de>
2250 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2252 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2254 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2255 satisfies ANY_QI_REG_P.
2257 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2259 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2262 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2265 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2267 * config.gcc: Remove default for xm_file. Clean up local
2268 machine type handling. Remove settings of xm_file to
2269 something that doesn't exist. In the big switch, set xm_file,
2270 don't append to it (the value before the big switch is always
2271 null). Don't force build_xm_file or host_xm_file to have a value.
2272 * configure.in: Remove default for xm_file. Do not special
2273 case $cpu/xm-$cpu.h not existing.
2274 * configure: Regenerate.
2276 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2278 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2279 when folding integer division and modulo operations.
2281 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2283 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2284 instead of DWARF2_ADDR_SIZE for EH addresses.
2285 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2288 2001-04-04 Richard Henderson <rth@redhat.com>
2290 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2291 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2292 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2294 2001-04-04 Richard Henderson <rth@redhat.com>
2296 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2297 * configure: Rebuilt.
2299 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2301 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2302 push insns to delete to it instead of deleting them.
2303 (delete_null_pointer_checks): Delete insns from delete_list after
2304 all delete_null_pointer_checks_1 passes are done.
2306 2001-04-04 Richard Henderson <rth@redhat.com>
2308 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2309 * configure: Rebuilt.
2311 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2313 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2314 * config/romp/xm-romp.h: Delete.
2316 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2318 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2321 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2323 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2324 all labels present in rtx.
2325 (try_split) Call new function for all split insns.
2327 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2329 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2330 sure the change won't be validated.
2332 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2334 * rtl.h (set_noop_p): Declare.
2335 * flow.c (set_noop_p): Move from here ...
2336 * rtlanal.c (set_noop_p): ... to here and enhance.
2337 * cse.c (delete_trivially_dead_insns): Use it.
2338 * gcse.c (hash_scan_set): Likewise.
2339 * jump.c (delete_noop_moves): Likewise.
2340 * recog.c (split_all_insns): Likewise.
2342 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2344 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2345 stack pointer via a LO_SUM. Ditto for setting a temp register
2346 used to save to the stack. Set cfa_temp when setting fp, and
2347 allow matches to cfa_temp in addition to cfa_store when saving
2348 regs. Handle POST_INC and LO_SUM register stores. Document the
2349 changes and errors in rule 12 doco.
2351 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2352 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2353 (load_reg): Move closer to epilogue code.
2354 (DO_FRAME_NOTES): Define to control the following..
2355 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2356 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2358 (hppa_expand_epilogue): Likewise.
2360 2001-04-03 Richard Henderson <rth@redhat.com>
2362 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2363 * configure: Rebuild.
2365 2001-04-03 Richard Henderson <rth@redhat.com>
2367 * rtl.h (LCT_THROW): New.
2368 * calls.c (emit_library_call_value_1): Handle it.
2369 * except.c (connect_post_landing_pads): Use it.
2371 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2373 * gansidecl.h: Delete file.
2374 * configure.in: Change all refs to gansidecl.h to use
2375 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2377 * configure: Regenerate.
2379 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2380 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2381 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2382 Don't include gansidecl.h.
2383 * intl.c, main.c, version.c, fixinc/fixlib.h,
2384 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2387 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2389 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2392 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2394 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2395 config/i386/xm-next.h, config/i386/xm-sco.h,
2396 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2397 config/m88k/xm-m88k.h: Delete.
2399 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2400 * config/romp/xm-romp.h: Don't define bcopy.
2401 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2402 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2404 * config.gcc: Remove references to deleted files.
2406 14 xm-host.h remain, 1 xm-cpu.h.
2408 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2409 David S. Miller <davem@pierdol.cobaltmicro.com>
2410 Andrew MacLeod <amacleod@redhat.com>
2412 Use byte offsets in SUBREGs instead of words.
2414 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2415 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2416 to pass new argument.
2417 (add_stored_regs): Use subreg_regno_offset function.
2418 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2420 (precompute_arguments): Use gen_lowpart_SUBREG.
2421 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2422 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2423 (simplify_set): Rework to use SUBREG_BYTE.
2424 (expand_field_assignment): Use SUBREG_BYTE.
2425 (make_extraction): Use SUBREG_BYTE.
2426 (if_then_else_cond): Use SUBREG_BYTE.
2427 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2428 (gen_lowpart_for_combine): Compute full byte offset.
2429 * cse.c (mention_regs): Use SUBREG_BYTE.
2430 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2431 (canon_hash): Use SUBREG_BYTE.
2432 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2433 (gen_lowpart_if_possible): Formatting.
2434 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2436 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2437 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2438 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2439 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2440 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2441 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2442 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2443 certain invariants about SUBREGs the compiler creates.
2444 (gen_lowpart_SUBREG): New function.
2445 (subreg_hard_regno): New function to get the final register number.
2446 (gen_lowpart_common): Use SUBREG_BYTE.
2447 (gen_imagpart): Spacing nits.
2448 (subreg_realpart_p): Use SUBREG_BYTE.
2449 (gen_highpart): Use SUBREG_BYTE.
2450 (subreg_lowpart_p): Always compute endian corrected goal offset,
2451 even at the byte level, then compare against that.
2452 (constant_subword): New function, pulled out all constant cases
2453 from operand_subword and changed second argument name to offset.
2454 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2455 and call constant_subword to do the work. Return const0_rtx if
2456 looking for a word outside of OP.
2457 (operand_subword_force): Change second arg name to offset.
2458 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2459 (store_split_bit_field): Use SUBREG_BYTE.
2460 (extract_bit_field): Use SUBREG_BYTE.
2461 (extract_split_bit_field): Use SUBREG_BYTE.
2462 (expand_shift): Use SUBREG_BYTE.
2463 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2464 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2465 * flow.c (set_noop_p): Use SUBREG_BYTE.
2466 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2467 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2468 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2470 (optimize_bit_field): Use SUBREG_BYTE.
2471 (purge_addressof_1): Use SUBREG_BYTE.
2472 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2473 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2474 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2475 * gengenrtl.c (special_rtx): Add SUBREG.
2476 * global.c (mark_reg_store): Use SUBREG_BYTE.
2477 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2478 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2479 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2480 final byte offset is congruent to subreg's mode size.
2481 (subst_constants): Use SUBREG_BYTE.
2482 (mark_stores): Use subreg_regno_offset function.
2483 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2484 function and SUBREG_BYTE.
2485 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2486 (reg_is_born): Use subreg_hard_regno.
2487 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2488 endian correction code. Don't combine subregs unless resulting
2489 offset aligns with type. Fix subreg constant extraction for DImode.
2490 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2491 (general_operand): Remove dead mode_altering_drug code.
2492 (indirect_operand): Use SUBREG_BYTE.
2493 (constrain_operands): Use subreg_regno_offset function.
2494 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2495 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2496 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2497 * regs.h (REG_SIZE): Allow target to override.
2498 (REGMODE_NATURAL_SIZE): New macro which target can override.
2499 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2500 on the entire subreg rtx.
2501 (push_reload): Use SUBREG_BYTE in comments and code.
2502 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2503 for hard registers inside subregs.
2504 (operands_match_p): Use subreg_regno_offset.
2505 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2506 containing hard regs.
2507 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2508 corrections when fixing up MEM subregs.
2509 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2510 subreg_regno_offset where appropriate.
2511 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2512 byte endian corrections when fixing up MEM subregs.
2513 (subst_reloads): When combining two subregs, make sure final
2514 offset is congruent to subreg's mode size.
2515 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2516 (refers_to_regno_for_reload_p): Use subreg_regno.
2517 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2518 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2519 correction code for memory subreg fixups.
2520 (forget_old_reload_1): Use subreg_regno_offset.
2521 (choose_reload_regs): Use subreg_regno.
2522 (emit_input_reload_insns): Use SUBREG_BYTE.
2523 (reload_combine_note_store): Use subreg_regno_offset.
2524 (move2add_note_store): Use subreg_regno_offset.
2525 * resource.c (update_live_status, mark_referenced_resources): Use
2526 subreg_regno function.
2527 (mark_set_resources): Use subreg_regno function.
2528 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2529 (subreg_regno_offset, subreg_regno): Define prototypes.
2530 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2531 (gen_lowpart_SUBREG): Add prototype.
2532 * rtl.texi (subreg): Update to reflect new byte offset representation.
2533 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2534 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2535 (reg_overlap_mentioned_p): Use subreg_regno.
2536 (replace_regs); Make sure final offset of combined subreg is
2537 congruent to size of subreg's mode.
2538 (subreg_regno_offset): New function.
2539 (subreg_regno): New function.
2540 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2541 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2542 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2543 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2544 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2545 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2546 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2547 (print_operand): Use SUBREG_BYTE.
2548 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2549 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2550 (arm_reload_out_hi): Use SUBREG_BYTE.
2551 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2552 instead of SUBREG_WORD.
2553 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2554 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2555 SUBREG creation to use byte offset.
2556 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2557 inverted load insns): Fix explicit rtl subregs to use byte
2559 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2560 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2561 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2562 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2563 to use byte offsets.
2564 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2565 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2566 offsets, also make sure it is congruent to SUBREG's mode size.
2567 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2568 unnamed ldob insn): Generate SUBREGs with byte offset.
2569 (zero_extendqihi2): SUBREG's are byte offsets.
2570 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2571 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2572 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2573 zero-extendqisi2): Generate SUBREGs with byte offset.
2574 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2575 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2576 subregs in rtl to use byte offsets.
2577 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2578 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2579 (mips_move_2words): Use subreg_regno_offset.
2580 (mips_secondary_reload_class): Use subreg_regno_offset.
2581 * config/mips/mips.md (DImode plus, minus, move, and logical op
2582 splits): Fixup explicit subregs in rtl to use byte offsets.
2583 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2584 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2585 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2586 rtl to use byte offsets.
2587 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2588 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2589 subregs to use byte offsets.
2590 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2591 Fixup explicit subregs in rtl to use byte offsets.
2592 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2593 and remove byte endian correction code.
2594 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2595 (gen_ashift_hi): Use SUBREG_BYTE.
2596 (regs_used): Use subreg_regno_offset.
2597 (machine_dependent_reorg): Use subreg_regno_offset.
2598 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2599 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2600 (movdf_i4): Subregs are byte offsets now.
2601 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2602 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2603 (REGMODE_NATURAL_SIZE): Override.
2604 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2605 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2607 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2608 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2609 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2610 it is congruent to SUBREG's mode size.
2611 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2613 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2614 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2615 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2616 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2617 * config/v850/v850.c (print_operand, output_move_double): Use
2618 subreg_regno function.
2620 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2622 * configure.in (target_subdir): Use target_alias, not target.
2623 * configure: Rebuilt.
2625 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2627 * config/sh/crti.asm: Fix typos in comments.
2629 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2631 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2632 TARGET_FAST_INDIRECT_CALLS.
2633 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2635 (return_addr_rtx): Short circuit export stub matching when
2636 TARGET_NO_SPACE_REGS.
2637 (output_millicode_call): For out of range calls, make -fPIC
2638 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2639 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2640 * pa.md: Modify length attr calculation of all millicode insns to
2643 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2645 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2646 Require at least 2.11 in the version test. Specifically check
2647 for and reject GAS version 2.10.90.
2648 * configure: regenerate.
2650 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2652 * pa.c (override_options): Remove PIC profiling warning.
2653 (hp_profile_labelno): Delete.
2654 (hp_profile_label_rtx): Delete.
2655 (hp_profile_label_name): Delete.
2656 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2657 (output_function_prologue): Remove profiling code and all tests on
2658 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2659 merge_sp_adjust_with_store can work for PIC and profiling.
2660 (hppa_expand_epilogue): Remove profile_flag test.
2661 (hppa_can_use_return_insn_p): Likewise.
2662 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2663 cater for PROFILE_HOOK.
2664 (hppa_profile_hook): New function.
2665 * pa.h (FUNCTION_PROFILER): Now does nothing.
2666 (PROFILE_HOOK): Define.
2667 (hppa_profile_hook): Declare.
2668 (PROFILE_BEFORE_PROLOGUE): Delete.
2669 (ASM_OUTPUT_REG_PUSH): Delete.
2670 (ASM_OUTPUT_REG_POP): Delete.
2671 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2672 r24. Accept function name operand, and use this and a locally
2673 generated label to calculate pc-rel offset to func start.
2675 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2678 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2681 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2683 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2684 LO_SUM cases to where they belong.
2686 2001-04-02 Richard Henderson <rth@redhat.com>
2688 * except.h (lang_eh_type_covers): Mark extern.
2689 (lang_eh_runtime_type): Likewise.
2691 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2693 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2694 gengenrtl.c: Wrap generated header in multiple-include guard.
2695 Improve error checking.
2697 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2699 * configure.in: Don't check for putenv.
2700 * configure: Regenerate.
2701 * gcc.c (putenv): Don't define.
2702 * vax/xm-vms.h: Handle putenv.
2704 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2706 * ifcvt.c (noce_emit_move_insn): New.
2707 (noce_try_store_flag, noce_try_store_flag_constants,
2708 noce_try_store_flag_inc, noce_try_store_flag_mask,
2709 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2710 noce_try_abs): Use it.
2711 (noce_process_if_block): Likewise.
2712 For STRICT_LOW_PART, take mode from its SUBREG.
2714 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2716 * fold-const.c (fold): Before optimizing unsigned comparison with
2717 0x7fffffffU, make sure arg0 is integral type.
2719 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2721 * c-tree.texi: Document representation of wide strings.
2723 2001-04-01 Richard Henderson <rth@redhat.com>
2725 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2727 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2729 * i386.md: remove obsoleted comments.
2730 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2731 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2732 fix output template.
2734 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2736 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2738 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2740 * loop.c (load_mems): When generating a load from a pseudo, update
2743 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2745 * i386.c (ix86_split_long_move): Use change address to compensate
2746 stack pointer change in push instruction.
2748 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2750 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2751 instead of rtx_equal_p; fix the output template.
2753 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2755 * i386.c (ix86_expand_setcc): Support 64bit.
2756 (ix86_expand_int_movcc): Likewise.
2757 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2760 * i386.md (allocate_stack_worker): Turn to expander.
2761 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2763 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2765 2001-03-29 Richard Henderson <rth@redhat.com>
2767 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2769 2001-03-28 Matthew Hiller <hiller@redhat.com>
2771 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2774 * MAINTAINERS: Added self.
2776 2001-03-28 Richard Henderson <rth@redhat.com>
2778 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2779 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2781 2001-03-28 Jim Wilson <wilson@redhat.com>
2783 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2786 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2788 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2790 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2793 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2795 2001-03-28 DJ Delorie <dj@redhat.com>
2797 * Makefile.in (stage1_build): Revert CFLAGS patch.
2799 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2801 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2802 when multiplier or multiplicand is zero.
2804 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2806 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2808 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2810 (set_src_needs_barrier): Likewise.
2811 (rtx_needs_barrier): For SET case, use these two functions. Rework
2812 PARALLEL case to handle all inputs before all outputs.
2813 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2814 saw a label and no stop bit since then.
2815 (maybe_rotate, process_epilogue): Add prototypes.
2817 2001-03-28 Richard Henderson <rth@redhat.com>
2819 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2820 not TARGET_TOC for special toc restore handling.
2821 * config/rs6000/rs6000.md (eh_return): Likewise.
2823 2001-03-28 Richard Henderson <rth@redhat.com>
2825 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2826 current_function_calls_eh_return.
2827 (output_function_epilogue): Handle eh_return.
2828 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2829 (EH_RETURN_DATA_REGNO): New.
2830 (EH_RETURN_STACKADJ_RTX): New.
2831 (EH_RETURN_HANDLER_RTX): New.
2832 * config/sparc/sparc.md (call/short branch peepholes): Check
2833 can_throw_internal instead of in_same_eh_region.
2835 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2836 for eh_return data registers.
2837 (rs6000_emit_prologue): Save eh_return data registers.
2838 (rs6000_emit_epilogue): Force inline restores if eh_return.
2839 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2840 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2841 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2842 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2843 the target uses one.
2844 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2845 (return_eh_si, return_eh_di): Remove.
2846 (eh_return): New, from corpse of eh_epilogue.
2847 (eh_set_lr_si, eh_set_lr_di): New.
2849 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2850 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2851 True for pic register if current_function_calls_eh_return.
2852 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2853 Handle eh_return requirements.
2854 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2855 (EH_RETURN_STACKADJ_RTX): New.
2856 * config/i386/i386.md (exception_receiver): Remove.
2857 (eh_return, eh_return_1): New.
2858 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2860 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2861 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2862 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2863 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2864 (EH_RETURN_DATA_REGNO): New.
2865 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2866 * config/alpha/alpha.md (eh_epilogue): Remove.
2867 (exception_receiver): Use $26 for ldgp input.
2868 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2870 2001-03-28 Richard Henderson <rth@redhat.com>
2872 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2873 * except.h: Likewise.
2875 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2876 (LIB2ADDEHDEP): New.
2877 (LIB2FUNCS_EH): Remove.
2878 (LIB2ADD): Remove LIB2ADDEH.
2879 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2880 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2881 (crt{begin,end}[S].o): Likewise.
2882 (except.o): Update includes.
2883 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2884 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2886 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2887 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2888 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2889 * builtins.c (expand_builtin): Implement it.
2890 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2891 * c-common.c (c_common_nodes_and_builtins): Declare it.
2892 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2893 * calls.c (libfunc_nothrow): Remove.
2894 (emit_library_call_value_1): Don't call it.
2895 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2896 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2897 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2898 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2899 (current_funcdef_number): Globalize.
2900 (output_call_frame_info): Emit frame data if an lsda is needed.
2901 Generate augmentation for personality routine. Don't play with
2903 (dwarf2out_begin_prologue): Record funcdef_number.
2904 * dwarf2out.h (current_funcdef_number): Declare.
2905 * expr.c (expand_expr): Update for except.h name changes.
2906 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2907 * expr.h (LTI_throw, LTI_rethrow): Remove.
2908 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2909 (LTI_eh_rtime_match): Remove.
2910 (LTI_unwind_resume, LTI_eh_personality): Add.
2911 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2912 * final.c (final): Don't call check_exception_handler_labels,
2913 init_insn_eh_region, or free_insn_eh_region.
2914 (final_scan_insn): Always emit debug labels for
2915 NOTE_INSN_EH_REGION notes.
2916 * flags.h (flag_new_exceptions): Remove.
2917 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2918 (record_active_eh_regions): Remove.
2919 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2920 Use can_throw_internal.
2921 (find_basic_blocks_1): Likewise.
2922 (move_stray_eh_region_notes): Remove.
2923 (find_label_refs): No eh_return_stub_label.
2924 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2925 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2927 (delete_unreachable_blocks): Don't track deleted handlers.
2928 (flow_delete_block): Use maybe_remove_eh_handler.
2929 (delete_eh_regions): Remove.
2930 (merge_blocks): Don't check for eh region match.
2931 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2932 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2933 (init_propagate_block_info): Disable dead frame store optimization
2934 when current_function_calls_eh_return.
2935 (dump_bb): Don't print eh_beg, eh_end.
2936 * function.c (fixup_var_refs): No catch_clauses.
2937 (expand_function_end): Likewise. Call expand_eh_return before
2938 the return register use. Call sjlj_emit_function_exit_after.
2939 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2940 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2941 * ifcvt.c (dead_or_predicable): Remove eh region check.
2942 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2943 Don't check for EH vs parameters.
2944 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2945 (expand_inline_function): Call duplicate_eh_regions.
2946 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2947 (copy_insn_notes): Remap REG_EH_REGION notes.
2948 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2949 * integrate.h (struct inline_remap): Add local_return_label.
2950 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2951 check_exception_handler_labels, nor exception_optimize.
2952 (find_cross_jump): No EH region check.
2953 * optabs.c (init_optabs): Update for changed eh libfuncs.
2954 * rtl.def (RESX): New.
2955 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2956 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2957 checks. Update for except.h name changes.
2958 (expand_cleanups): Likewise.
2959 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2960 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2961 (compile_file): Call init_eh before init_optabs. Don't
2962 output_exception_table here.
2963 (rest_of_compilation): Call convert_from_eh_region_ranges,
2964 convert_to_eh_region_ranges, output_function_exception_table.
2965 Don't emit_eh_context.
2966 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2967 (EXC_PTR_EXPR): New.
2969 * md.texi (eh_epilogue): Remove.
2970 (eh_return): Document.
2971 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2972 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2974 * eh-common.h: Remove file.
2975 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2976 * libgcc2.c (L_eh): Remove.
2978 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2979 * unwind-dw2-fde.h: New file.
2980 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2981 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2982 * libgcc-std.ver: Update for eh symbols.
2984 2001-03-27 Richard Henderson <rth@redhat.com>
2986 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2987 reduce false positives.
2988 (regmove_optimize): Disable if flag_non_call_exceptions.
2990 * stmt.c (expand_return): Remove always true predicate.
2991 (expand_decl_cleanup_no_eh): Remove dead code.
2993 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2994 barrier code. Add a scheduling barrier if a non-call insn
2995 can throw internally.
2997 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2998 Auto-inc addresses trap only if their base register does.
3000 * except.c (can_throw_internal): Rename from can_throw.
3001 * except.h, resource.c: Update references.
3003 * integrate.c (copy_insn_list): Use returnjump_p.
3004 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3006 * function.h (struct function): Move all boolean valued fields
3007 to single bit fields at the end of the struct.
3009 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3011 Rename asynchronous_exceptions to flag_non_call_exceptions.
3013 * gthr-single.h (UNUSED): New. Distinguish between how C
3014 and C++ mark unused function arguments. Use throughout.
3016 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3017 value to target configuration header.
3018 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3019 * config.in, configure: Rebuild.
3020 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3021 configuration and target defines.
3022 (exceptions_via_longjmp): Remove.
3023 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3024 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3026 * except.h (flag_non_call_exceptions): Move ...
3027 * flags.h: ... here.
3029 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3030 exceptions, put the note on the trapping instruction.
3032 * flags.h (flag_new_exceptions): Remove.
3033 * toplev.c: Don't set it.
3034 * final.c: Don't check it.
3035 * except.c: Provide stub definition.
3037 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3038 (calculate_global_regs_live): Kill call-clobbered registers
3039 across exception edges.
3040 * reg-stack.c (convert_regs_1): Kill the entire target stack
3041 across non-call exception edges.
3043 * flow.c (cleanup_cfg): Take no argument.
3044 * output.h, sibcall.c, toplev.c: Update all calls.
3046 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3048 * configure.in: Don't check for bcopy.
3049 * configure, config.in: Regenerate.
3051 * system.h: Don't define or prototype bcopy, instead poison it.
3053 2001-03-27 Richard Henderson <rth@redhat.com>
3055 * function.c (expand_function_start): Set DECL_REGISTER on
3056 a pseudo used for DECL_RESULT.
3058 * rtl.h (LCT_NORETURN): New.
3059 * calls.c (emit_library_call_value_1): Handle it.
3061 2001-03-27 Stan Shebs <shebs@apple.com>
3063 * objc/objc-act.c (objc_init): Use dump_base_name.
3064 (gen_declaration): Clear the buffer arg.
3065 (gen_declaration_1): New function, body of gen_declaration.
3066 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3067 (gen_method_decl): Ditto, plus always clear buffer arg.
3068 (error_with_ivar): Simplify.
3069 (warn_with_method): Ditto.
3070 (build_message_expr): Don't clear buffers.
3071 (dump_interface): Ditto.
3072 (objc_debug): Ditto.
3073 (build_keyword_selector): Clear the buffer by only zeroing
3075 (objc_implementation_context): Declare.
3076 (start_class): Warn about missing @end.
3077 (finish_objc): Ditto.
3079 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3081 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3083 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * Makefile.in (SYSTEM_H): Define.
3086 Depend on $(SYSTEM_H), not system.h.
3088 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3090 2001-03-27 Jim Wilson <wilson@redhat.com>
3092 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3094 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3095 (process_epilogue): New static function.
3096 (process_set): Call process_epilogue instead of emitting .restore
3098 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3100 * flow.c (struct reg_cond_life_info): New fields orig_condition
3102 (init_propagate_block_info): Set new fields.
3103 (mark_regno_cond_dead): Set and use new fields.
3104 (flush_reg_cond_reg_1): Likewise.
3105 (and_reg_cond, case AND): Check for redundant AND conditions.
3106 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3109 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3111 * cppmacro.c (stringify_arg): Null terminate strings.
3113 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3115 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3116 inclusion style. xm-m68hc11.h no longer exists.
3117 * config/m68hc11/xm-m68hc11.h: Delete file.
3118 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3120 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3121 Don't define GCC_VERSION, N_, or PARAMS; don't include
3122 gansidecl.h or stdio.h. Define inhibit_libc here.
3123 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3124 Delete code conditioned on #if GCC_VERSION == 2095.
3126 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3127 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3128 Delete code conditioned on #if GCC_VERSION == 2095.
3130 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3132 * system.h: Include symcat.h.
3133 (STRINGIFY): Don't define.
3135 * configure.in: Adjust comment.
3137 * builtins.c: Use STRINGX, not STRINGIFY.
3138 * gencheck.c: Likewise.
3139 * gengenrtl.c: Likewise.
3140 * protoize.c: Likewise.
3142 * cpplex.c: Don't include symcat.h.
3143 * cpplib.c: Likewise.
3145 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3147 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3149 * c-typeck.c (digest_init): Fold init expression.
3151 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3153 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3155 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3157 * except.c (eh_regs): Save results of build_pointer_type to a temp
3158 as FUNCTION_VALUE macro may evaluate its args multiple times.
3160 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3162 * c-common.h (DECL_NUM_STMTS): New macro.
3163 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3165 (pushdecl): Likewise.
3166 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3167 * integrate.c (expand_inline_function): Don't check
3169 * print-tree.c (print_node): Don't print it.
3170 * toplev.c (rest_of_compilation): Don't try to inline when
3171 flag_no_inline is on.
3172 * tree.h (DECL_FRAME_SIZE): Remove.
3173 (tree_decl): Adjust accordingly.
3175 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3177 * combine.c (try_combine): Use memcpy, not bcopy.
3179 * genattrtab.c (expand_units): Likewise.
3181 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3183 * i386.md (push mem DI peep2): New.
3184 (mov 0, mov -1 peep2): Handle 64bit.
3185 (lea to arithmetics peep2): Handle 64bit leas.
3186 (rsp arithmetics to push/pop peep2s): New.
3188 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3190 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3192 * i386.c (struct machine_function): Add save_varrargs_registers.
3193 (ix86_save_varrargs_registers): New macro.
3194 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3195 (ix86_expand_prologue): Likewise.
3196 (ix86_emit_epilogue_esp_adjustement): Likewise.
3197 (ix86_expand_epilogue): Likewise.
3198 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3199 (pro_epilogue_adjust_stack_1): New insn.
3200 (pro_epilogue_adjust_stack_rex64): Likewise.
3201 * i386.h (MASK_NO_RED_ZONE): New constant.
3202 (TARGET_RED_ZONE): New macro.
3203 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3204 (RED_ZONE_SIZE): New constant.
3205 (RED_ZONE_RESERVE): New constant.
3207 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3209 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3211 2001-03-25 Kazu Hirata <kazu@hxi.com>
3213 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3216 (umodhi3): Likewise.
3219 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3221 * mkconfig.sh (DEFINES): Handle entries with '='.
3223 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3224 Set xm_defines to MACRO=value instead.
3226 * i370/xm-mvs.h: Delete.
3228 * ns32k/xm-pc532-min.h: Likewise.
3230 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3232 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3234 use ix86_expand_binary_operator
3235 (?sh??i_?): Disable for 64bit.
3236 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3237 * i386.c (shiftdi_operand): New predicate.
3239 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3240 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3241 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3242 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3243 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3244 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3245 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3246 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3247 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3248 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3249 (rotldi3, rotrdi3): New expanders.
3251 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3253 * i386.md (movstrsi): Move offline.
3255 (strmovdi_rex64): New.
3256 (strmov?i): Accept 64bit.
3257 (strmov?i_rex64): New.
3258 (strmov?i_rex_1): New.
3259 (strmov?i_1): Disable for 64bit.
3260 (rep_mov?i_rex64): New.
3261 (rep_mov?i): Disable for 64bit.
3262 (clrstrsi): Move offline.
3263 (strset?i_rex64): New.
3264 (strset?i: Accept 64bit.
3265 (rep_stos?i): Disable for 64bit.
3266 (rep_stos?i_rex64): New.
3267 (strset?i_rex_1): New.
3268 (strset?i_1): Disable for 64bit.
3269 (cmpstrsi): Accept 64bit.
3270 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3271 (cmpstrqi_nz_rex_1): New.
3272 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3273 (strlensi): Move offline.
3275 (strlenqi_1): Disable for 64bit; fix constraints.
3276 (strlenqi_rex_1): New.
3277 * i386.c (ix86_adjust_counter): New static function.
3278 (ix86_zero_extend_to_Pmode): Likewise.
3279 (ix86_expand_aligntest): Likweise.
3280 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3281 (ix86_expand_movstr): New global function.
3282 (ix86_expand_clrstr): New global function.
3283 (ix86_expand_strlen): New global function.
3284 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3285 ix86_expand_strlen): Declare.
3286 (ix86_expand_strlensi_unroll_1): Delete.
3288 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3290 * i386.md (cmpdi): Fix operand predicates.
3291 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3292 cmpdi_1_insn_rex64): New patterns.
3293 (adddi3): Turn to expander.
3294 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3295 (addsi3_carry_zext): New pattern.
3296 (adddi_?_rex64): New patterns and splitters.
3297 (addsi_?_zext): New patterns.
3298 (subsi3_carry_zext): New pattern.
3299 (subdi_?_rex64): New patterns and splitters.
3300 (iorsi_?_zext): New patterns.
3301 (iordi_?_rex64): New patterns and splitters.
3302 (iorsi_?_zext): New patterns.
3303 (iorsi_?_zext_imm): New patterns.
3304 (xorsi_?_zext): New patterns.
3305 (xordi_?_rex64): New patterns and splitters.
3306 (xorsi_?_zext): New patterns.
3307 (negdi*): New patterns.
3308 (one_cmpldi*): Likewise.
3309 (one_cmplsi*_zext, negsi*_zext): Likewise.
3310 (testqi_ext_3_rex64): New pattern.
3312 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3314 * i386-protos.h (ix86_split_long_move): Return void.
3315 * i386.c (ix86_split_to_parts): Handle 64bit target.
3316 (ix86_split_long_move): Likewise.
3317 * i386.md (all calls to ix86_split_long_move): Update.
3319 2001-03-23 Richard Henderson <rth@redhat.com>
3321 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3322 to avoid shadowing arguments.
3324 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3326 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3327 to variable names where DECL_NAME is different from
3328 DECL_ASSEMBLER_NAME.
3330 2001-03-23 Jim Wilson <wilson@redhat.com>
3332 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3333 (assemble_alias): Call make_decl_rtl.
3335 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3337 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3339 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3341 * extend.texi: Document the "java_interface" attribute.
3343 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3345 * mkconfig.sh: Use a subshell with redirected stdout,
3346 instead of closing stdout and confusing commands that run
3347 afterward. Throw away output of cmp.
3349 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3351 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3353 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3355 * i386.md (zero_extendsidi2_32): Break out from ...
3356 (zero_extendsidi2): ... here ; turn to expander.
3357 (zero_extendsidi2_rex64): New.
3358 (extendsidi2_32): Break out from ...
3359 (extendsidi2): ... here ; turn to expander.
3360 (extendsidi2_rex64): New.
3361 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3362 (trunc?f?f splitters): Add 64bit versions.
3364 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3366 * i386.md (pushsi, pushsi2_prologue): Disable.
3367 (pushsi2_rex64): New.
3368 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3369 (movqi_ext_1): Disable for 64bit.
3370 (movqi_ext_1_rex64): New.
3371 (pushdi2_rex64): New pattern, peep2s and splitter.
3372 (pushdi2_prologue_rex64): New pattern.
3373 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3375 (movdi splitters): Disable for 64bit.
3376 (movdi_1_rex64): New pattern, peep2s and splitters.
3377 (swapdi): New pattern.
3378 (pushsf): Disable for 64bit.
3379 (pushsf_rex64): New pattern and splitter.
3380 (pushdf_nointeger): Disable for 64bit.
3381 (pushdf_integer): Handle the 64bit case.
3382 (pushtf): Likewise; update splitters.
3384 2001-03-22 Richard Henderson <rth@redhat.com>
3386 * mkconfig.sh: Include insn-flags.h.
3387 * Makefile.in (CONFIG_H): Include insn-flags.h.
3388 (lots of objects): Remove insn-codes.h and insn-flags.h.
3390 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3391 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3392 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3393 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3394 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3395 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3396 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3397 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3398 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3399 v850/v850.c, vax/vax.c:
3400 Don't include insn-flags.h.
3402 * diagnostic.c, expr.h, reload.c, toplev.c:
3403 Don't include insn-codes.h.
3405 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3406 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3407 c4x/c4x.c, i960/i960.c, mips/mips.c:
3408 Don't include insn-codes.h or insn-flags.h.
3410 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3411 or insn-flags.h in the generated code.
3412 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3413 (main): Forward declare struct rtx_def.
3415 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3417 * invoke.texi (-ffast-math): Remove duplicate line about
3420 * gcc.texi: Remove more obsolete documentation of bugs and
3421 installation problems.
3423 2001-03-21 Kazu Hirata <kazu@hxi.com>
3425 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3428 2001-03-20 Jason Merrill <jason@redhat.com>
3430 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3432 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3433 * varasm.c (CHKR_PREFIX): Likewise.
3435 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3437 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3438 is part of a multi-SET insn.
3440 * cse.c (find_comparison_args): Remove previous change.
3441 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3444 * config/i386/i386.md (conditional_trap): Remove warning.
3446 * recog.c (push_operand): Fix error in last change that caused
3447 undefined symbol on many targets.
3449 * sdbout.c: #include ggc.h.
3450 (sdbout_init): Move to end of file.
3451 Call ggc_add_tree_root for anonymous_types.
3452 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3453 (sdbout_one_type): Use DECL_NAME for field name.
3454 * Makefile.in (sdbout.o): Show includes ggc.h.
3456 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3458 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3459 (override_options): Use properlimits for preferred_stack_boundary.
3460 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3462 (ext_register_operand): Accept DImode.
3463 (load_pic_register): Abort on 64bit.
3464 (gen_push): Use Pmode instead of SImode.
3465 (ix86_save_reg): Pic reg is never used on 64bit.
3466 (ix86_expand_prologue): Likewise.
3467 (ix86_emit_save_regs): Use Pmode instead of SImode.
3468 (legitimate_address_p): Check displacement for 64bit.
3469 (print_operand): Avoid outputting of (%rip) on 64bit.
3470 (print_operand_address): Output (%rip) where possible.
3471 (split_di): Abort on 64bit registers.
3472 (ix86_expand_branch): DImode comparison is simple for x86_64.
3473 (memory_address_length): Recognize memory addresses formed using
3475 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3477 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3479 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3481 * recog.c (push_operand): Recognize new format of push instructions.
3483 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3485 * i386.md (pushqi1): New.
3486 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3487 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3488 x86_64_immediate_operand, x86_64_immediate_operand,
3489 x86_64_zext_immediate_operand): Declare.
3490 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3491 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3492 x86_64_immediate_operand, x86_64_immediate_operand,
3493 x86_64_zext_immediate_operand): define.
3494 * i386.h (PREDICATE_CODES): Add new predicates.
3496 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3498 * i386.md (pophi1, popqi1, pushqi1): Remove.
3500 * expr.c (emit_single_push_insn): New function.
3501 (move_by_pieces): Accept NULL as destination for push instructions.
3502 (gen_push_operand): Kill.
3503 (emit_push_insn): Pass NULL when pushing; avoid updating of
3504 stack_pointer_delta.
3505 * expr.h (gen_push_operand): Kill.
3507 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3509 * rtl.texi (COMPARE): Clarify documentation and reference section
3512 2001-03-20 Stan Shebs <shebs@apple.com>
3514 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3515 (get_object_reference): Ditto.
3516 (error_with_ivar): Use error_with_file_and_line.
3517 (warn_with_method): Use warning_with_file_and_line.
3519 2001-03-20 Tom Tromey <tromey@redhat.com>
3521 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3523 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3525 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3526 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3528 2001-03-20 DJ Delorie <dj@redhat.com>
3530 * Makefile.in (install-libgcc): Pass complete list of variables.
3531 (install-multilib): Ditto.
3533 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3535 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3536 drectve_section, switch_to_section.
3538 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3539 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3540 i386_pe_mark_dllimport.
3542 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3544 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3545 functions i386_pe_*.
3547 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3548 i386_pe_* functions with char * arguments.
3550 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3552 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3554 (movsi_ie): Introduce fpul store.
3556 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3558 * Makefile.in (OBJS): Remove hashtab.o.
3560 2001-03-19 Stan Shebs <shebs@apple.com>
3562 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3563 * c-lang.c (maybe_objc_method_name): Ditto.
3564 * c-tree.h (maybe_objc_method_name): Remove decl.
3566 2001-03-19 Tom Tromey <tromey@redhat.com>
3568 * gcc.c (init_gcc_specs): Fix comment.
3570 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3572 Compute DECL_ASSEMBLER_NAME lazily.
3573 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3574 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3575 (SET_DECL_ASSEMBLER_NAME): Likewise.
3576 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3577 (set_decl_assembler_name): Declare.
3578 (lang_set_decl_assembler_name): Likewise.
3579 * tree.c (lang_set_decl_assembler_name): New variab.e
3580 (set_decl_assembler_name): New function.
3581 (init_obstacks): Set lang_set_decl_assembler_name.
3582 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3583 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3584 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3585 where it's not necessary.
3586 (builtin_function): Likewise.
3587 (finish_decl): Likewise.
3588 * dbxout.c (dbxout_type_methods): Likewise.
3589 * ggc-common.c (ggc_mark_trees): Likewise.
3590 * profile.c (output_func_start_profiler): Likewise.
3591 * varasm.c (make_decl_rtl): Likewise.
3593 * cse.c (find_comparison_args): Update documentation. Fix
3594 mishandling of COMPARE operations.
3596 * tree.def (ABS_EXPR): Add documentation.
3597 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3599 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3601 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3603 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3605 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3606 Remove ia32 linux PIC kludge and move it...
3607 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3609 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3611 * i386.md (absdf2 expander): Fix 64bit case.
3613 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3615 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3617 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3619 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3621 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3623 * README.X11: Remove obsolete file.
3625 2001-03-18 Anthony Green <green@redhat.com>
3627 * config/pj/pj.h: Remove some trailing commas.
3628 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3630 2001-03-18 Richard Henderson <rth@redhat.com>
3632 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3633 * calls.c: ... here.
3634 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3635 defaults for them here.
3637 2001-03-17 Anthony Green <green@redhat.com>
3639 * config/pj/lib1funcs.S: Fix broken comment.
3640 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3643 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3645 * gcc.texi: Remove obsolete information relating to build and
3646 installation problems with enquire or the Pyramid C compiler.
3648 2001-03-17 Richard Henderson <rth@redhat.com>
3650 * dwarf2out.c (queue_reg_save): New.
3651 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3652 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3654 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3655 (cfa, cfa_store, cfa_temp): Make static.
3656 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3658 2001-03-17 Richard Henderson <rth@redhat.com>
3660 * integrate.h (struct inline_remap): Add local_return_label.
3661 * integrate.c (expand_inline_function): Initialize it and emit
3662 it after copy_insn_notes.
3663 (copy_insn_list): Don't store local_return_label here.
3664 (copy_insn_notes): New function split out from copy_insn_list.
3666 2001-03-17 Richard Henderson <rth@redhat.com>
3668 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3669 is generating .debug_line.
3670 (dwarf2out_init): Add main_input_filename to the file table first.
3671 * configure.in (as_dwarf2_debug_line): Test with file number 1
3672 instead of file number 0.
3674 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3676 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3677 (gen_rtx_combine): Deleted; all references changed as appropriate.
3678 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3680 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3682 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3684 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3687 2001-03-16 Jim Wilson <wilson@redhat.com>
3689 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3690 then set it to LOC_REG (79) instead of aborting.
3692 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3694 * gccbug.in: Remove high priority.
3696 2001-03-16 Richard Henerson <rth@redhat.com>
3698 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3699 output with a space instead of deleting it.
3700 * configure: Regenerate.
3702 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3704 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3705 handles the gory details of converting an object file into
3706 something that's safe to grep.
3707 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3708 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3709 newlines at either end of the string we're looking for.
3710 Make 'checking ...' message less stilted.
3711 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3712 ARM in-memory layout and its hypothetical converse. Don't
3713 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3714 HOST_WORDS_BIG_ENDIAN.
3716 * configure.in: Adjust for renamed macro. Move
3717 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3718 * configure, config.in: Regenerate.
3720 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3722 * fixinc/Makefile.in: Set SHELL.
3724 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3726 * fixinc/fixincl.c (fix_with_system): Quote file names before
3727 passing them to shell.
3729 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3731 * Makefile.in: Use fix-header$(build_exeext) instead
3734 2001-03-16 Richard Henderson <rth@redhat.com>
3736 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3737 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3738 (size_of_line_prolog): Remove.
3739 (output_line_info): Compute prologue size via label difference.
3740 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3742 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3743 assembler error when redefining file numbers.
3744 * config.in, configure: Rebuild.
3746 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3747 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3748 (dw2_asm_output_delta_uleb128): Likewise.
3749 (dw2_asm_output_delta_sleb128): Similarly.
3750 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3752 2001-03-16 Michael Meissner <meissner@redhat.com>
3754 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3756 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3758 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3760 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3761 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3762 being unsigned in ISO C and signed in traditional.
3763 (expand_prologue): Ditto.
3764 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3766 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3768 (divsi3,divdi3): Ditto.
3769 (modsi3,moddi3): Ditto.
3770 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3771 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3772 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3775 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3777 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3778 SSE based conditional moves on LTGT/UNEQ conditions;
3779 Canonicalize EQ to NE.
3780 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3781 (sse_mov?fcc_ne): New.
3783 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3785 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3787 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3788 register may be dead.
3790 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3792 * Makefile.in (hash.o): Depend on CONFIG_H.
3794 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3796 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3798 2001-03-15 Richard Henderson <rth@redhat.com>
3800 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3801 (ASM_OUTPUT_DWARF_PCREL): New.
3802 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3804 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3806 * cppfiles.c (stack_include_file): Use MAX of sysp.
3808 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3810 * config.gcc (ia64*-*-hpux*): New case.
3811 * config/ia64/hpux.h: New file for HP-UX support.
3812 * config/ia64/t-hpux: New file for HP-UX support.
3814 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3816 * fixinc/inclhack.def (irix_stdio_va_list): New.
3817 * fixinc/fixincl.x: Rebuilt.
3819 2001-03-15 Richard Henderson <rth@redhat.com>
3821 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3822 if provided by the target.
3823 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3824 (dw2_asm_output_addr): New.
3825 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3826 * dwarf2out.c (output_cfi): Use it for program addresses.
3827 (output_call_frame_info, output_die): Likewise.
3828 (output_aranges, output_line_info): Likewise.
3830 2001-03-15 Bruce Korb <bkorb@gnu.org>
3832 * gcc.c(main): make more rigorous
3833 * collect2.c(main): guard against ignoring SIGCHLD
3834 * protoize.c(main): ditto
3835 * gcc/fixinc/fixincl.c(initialize): ditto
3837 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3839 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3840 (sdbout_parms): Likewise.
3842 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3844 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3845 "widen" a destination that is already wider than a word. Also do
3846 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3848 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3850 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3852 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3854 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3856 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3858 * i960.h (i960_maxbitalignment,
3859 i960_last_maxbitalignment): Declare.
3860 * i960.c (i960_maxbitalignment,
3861 i960_last_maxbitalignment): Make global.
3862 (process_pragma): Delete.
3863 (i960_pr_align, i960_pr_noalign): Move from here ...
3864 * i960-c.c: ... to this new file.
3865 * t-960bare (i960-c.o): New rule.
3866 * t-vxworks960 (i960-c.o): Likewise.
3867 * config.gcc (i960-*-*): Define c_target_objs and
3870 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3872 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3873 without adding in rtx code and mode.
3875 * alias.c (init_alias_analysis): Don't use any rtx whose value
3876 varies as a known value.
3877 Delete a superfluous test.
3879 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3881 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3882 scheduling a stop bit.
3883 (ia64_emit_nops): Correctly handle ASMs.
3885 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3887 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3889 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3891 * cpp.texi: Update documentation for -include and -imacros.
3892 * cppfiles.c (struct include_file): Remove "defined" memeber.
3893 (find_or_create_entry): Make a copy of the file name, and
3895 (open_file): Update to ensure we use the simplified filename.
3896 (stack_include_file): Don't set search_from.
3897 (cpp_included): Don't simplify the path name here.
3898 (find_include_file): New prototype. Call search_from to
3899 get the start of the "" include chain. Don't simplify the
3901 (_cpp_execute_include): New prototype. Move diagnostics to
3902 do_include_common. Update.
3903 (_cpp_pop_file_buffer): Don't set defined.
3904 (search_from): New prototype. Use the preprocessor's cwd
3905 for files included from the command line.
3906 (read_name_map): Don't simplify the pathname here.
3907 * cpphash.h (enum include_type): New.
3908 (struct buffer): Delete search from. New search_cached.
3909 (_cpp_execute_include): Update prototype.
3910 * cppinit.c (do_includes): Use _cpp_execute_include.
3911 * cpplib.c (do_include_common): New function.
3912 (do_include, do_include_next, do_import): Use it.
3914 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3916 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3917 contents of the RTL, to determine the name of the object.
3919 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3921 * tree.h (DECL_RTL): Allocate RTL lazily.
3922 (SET_DECL_RTL): New macro.
3923 (DECL_RTL_SET_P): Likewise.
3924 (COPY_DECL_RTL): Likewise.
3925 (DECL_RTL_IF_SET): Likewise.
3926 * varasm.c (make_decl_rtl): Add assertions about the kind of
3927 declaration we are processing.
3928 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3929 (start_decl): Likewise.
3930 (finish_decl): Likewise.
3931 * c-semantics.c (emit_local_var): Likewise.
3932 * calls.c (expand_call): Likewise.
3933 * dbxout.c (dbxout_symbol): Likewise.
3934 * emit-rtl.c (unshare_all_rtl): Likewise.
3935 (unshare_all_decls): Likewise.
3936 (reset_used_decls): Likewise.
3937 * expr.c (store_constructor): Likewise.
3938 (safe_from_p): Likewise.
3939 (expand_expr): Likewise.
3940 * function.c (put_var_into_stack): Likewise.
3941 (instantiate_decls_1): Likewise.
3942 (assign_parms): Likewise.
3943 (expand_function_start): Likewise.
3944 (expand_function_end): Likewise.
3945 * ggc-common.c (gcc_mark_trees): Likewise.
3946 * integrate.c (function_cannot_inline_p): Likewise.
3947 (copy_decl_for_inlining): Likewise.
3948 (expand_inline_function): Likewise.
3949 (integrate_parm_decls): Likewise.
3950 (integrate_decl_tree): Likewise.
3951 * print-tree.c (print_node): Likewise.
3952 * reg-stack.c (stack_result): Likewise.
3953 * stmt.c (label_rtx): Likewise.
3954 (expand_return): Likewise.
3955 (expand_decl): Likewise.
3956 (expand_decl_cleanup): Likewise.
3957 (expand_anon_union_decl): Likewise.
3958 * toplev.c (check_global_declarations): Likewise.
3959 (rest_of_decl_compilation): Likewise.
3960 * tree.c (simple_cst_equal): Likewise.
3961 * objc/objc-act.c (generate_static_references): Likewise.
3963 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3965 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3966 gcc_AC_C_FLOAT_FORMAT): New macros.
3967 * configure.in: Add AC_PROG_CPP after CC tests;
3968 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3969 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3970 * configure, config.in: Regenerate.
3972 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3973 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3974 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3975 config/i370/xm-linux.h, config/i370/xm-oe.h,
3976 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3977 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3978 config/pa/xm-linux.h, config/pa/xm-pa.h,
3979 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3980 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3981 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3982 config/we32k/xm-we32k.h: Delete.
3984 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3985 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3986 config/vax/xm-vms.h: Don't define any of:
3987 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3989 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3991 * config.gcc: Remove references to deleted files.
3992 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3993 FATAL_EXIT_CODE, which is the same between oe and mvs).
3995 2001-03-14 DJ Delorie <dj@redhat.com>
3996 Vladimir Makarov <vmakarov@redhat.com>
3998 * config/i960/i960.c (i960_function_prologue): Compute size of
3999 frame according to number of registers actually saved there.
4001 2001-03-14 Richard Henderson <rth@redhat.com>
4003 * expr.c (emit_move_insn_1): Fix else if around #endif.
4005 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4008 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4011 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4013 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4014 (override_options): Parse cmodel string.
4015 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4016 * i386.h (TARGET_OPTIONS): Add "cmodel".
4017 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4019 (ix86_cmodel_string, ix86_cmodel): Declare.
4021 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4024 * i386.h (GENERAL_REG_P): Add missing REG_P.
4026 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4028 * configure.in: Use $gcc_cv_as instead of $as.
4029 * configure: Regenerated.
4031 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4033 * cppfiles.c (stack_include_file): Only increase the include
4034 count if we actually process the file properly, as opposed
4035 to treating it as length zero. Only call read_include_file
4036 if not DO_NOT_REREAD. Handle the -H include file output
4038 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4039 (cpp_included, find_include_file): Simplify pathnames after
4040 remapping them. If remapping, don't use the remapped file
4041 name's buffer as our scratch buffer.
4042 (cpp_pop_file_buffer): Replace the multiple include macro
4043 only if it isn't yet set.
4044 (read_name_map): Simplify remapped names when reading in.
4045 (remap_filename): Move code to code path that uses it.
4046 (_cpp_simplify_pathname): Return the input pointer.
4047 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4049 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4051 * expr.c (expand_expr): Revove bogus conditional.
4053 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4055 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4057 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4059 * reg-stack.c (stack_result): Unconditionally use
4060 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4062 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4064 * expr.c (emit_move_insn_1): Split push of complex value when
4065 no suitable push instruction exist.
4067 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4068 instead of QI_REG_P.
4070 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4072 * alias.c (handled_component_p, can_address_p): New functions.
4073 (get_alias_set): Use them.
4075 2001-03-13 Jim Wilson <wilson@redhat.com>
4077 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4078 from 80 in try_locals code.
4079 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4081 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4083 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4084 gcc_AC_C_LONG_LONG): New.
4085 * configure.in: Use them. Probe the size of short, int, long,
4086 and long long/__int64 if we have them. Move all the AC_C_*
4087 checks together, except gcc_AC_C_CHAR_BIT which has to go
4088 after AC_CHECK_HEADERS(limits.h).
4089 Take hwint.h out of host_xm_file and build_xm_file.
4091 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4092 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4093 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4094 Move the HOST_WIDEST_INT setup logic here from system.h.
4095 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4097 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4098 is now handled by hwint.h.
4100 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4101 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4102 config/ia64/xm-ia64.h: Don't define any of:
4103 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4104 HOST_BITS_PER_LONGLONG.
4106 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4107 config/h8300/xm-h8300.h, config/mips/iris6.h,
4108 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4109 config/sparc/xm-sp64.h: Delete.
4110 * config.gcc: Remove references to deleted files.
4112 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4113 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4114 * config/i370/xm-linux.h: Clarify floating-point situation in
4117 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4119 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4120 (find_include_file): Decide here which part of the include
4121 chain to start the search. Complain about an empty include
4122 chain in all cases apart from an abolsute file name.
4123 (_cpp_execute_include): Don't choose the search chain here.
4124 Don't call handle_missing_include in the case of an empty
4126 (_cpp_compare_file_date): Don't choose the search chain here.
4127 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4128 here from _cpp_execute_include. Behave like #include if
4129 we're in the main file.
4131 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4133 * system.h (malloc, realloc, calloc, strdup): Only poison these
4134 tokens when IN_GCC is defined.
4136 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4138 * i386.md (abs?f expander): Support SSE case.
4139 (abd?f_if): Add new "USE"; add splitters.
4141 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4143 * cpp.texi (poison): Explain the macro expansion exception.
4145 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4147 * expr.c (store_expr): Add dont_store_target. If temp is already in
4148 target before copying to reg, don't store it into target again.
4150 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4152 * cppinternals.texi: Update for file handling.
4154 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4156 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4157 2001-02-24 which broke building the Java library.
4158 * function.c (identify_blocks): Likewise.
4159 (all_blocks): Likewise.
4160 * integrate.c (integrate_decl_tree): Likewise.
4161 * print-tree.c (print_node): Likewise.
4162 * tree.h (BLOCK_NUMBER): Likewise.
4163 (struct tree_block): Likewise.
4165 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4167 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4168 __WCHAR_TYPE__ definition.
4169 (WCHAR_TYPE_SIZE): #undef before #define.
4171 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4173 * cppfiles.c: Update comments.
4174 (destroy_include_file_node): Rename destroy_node.
4175 (find_or_create_entry): New function.
4176 (open_file, _cpp_fake_include): Use it.
4177 (handle_missing_header): New function, broken out of
4178 _cpp_execute include. Don't segfault if there is no
4179 system or quoted path.
4180 (_cpp_execute_include): Use handle_missing_header.
4182 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4184 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4185 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4187 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4189 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4190 unless anti_dependence says they are.
4191 * alias.c (objects_must_conflict): If neither has a type specified,
4194 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4195 David Billinghurst <David.Billinghurst@riotinto.com>
4197 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4199 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4201 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4202 (*_one_bit): Remove type on the match_operand in attributes.
4204 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4206 * i386.c: Commit forgotten hunk in previous patch.
4207 (regclass_map): Add extended registers.
4208 (dbx_register_map): Add missing frame register.
4210 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4212 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4214 * i386.md (x86_sahf_1): Disable for 64bit.
4215 (popsi*, pophi*): Likewise.
4216 (pushqi, pushhi): Likewise.
4217 (movdi, pushdi): Likewise.
4218 (zero extend DImode splitter): Likewise.
4219 (adddi, minusdi splitter): Likewise.
4220 (umulsidi): Likewise.
4222 (mulsidi): Disable for 64bit
4223 (lshift:DI/ashift:DI): Disable for 64bit.
4224 (loop patterns): Likewise.
4225 (call_pop, call_value_pop expanders and patterns): Likewise.
4226 (prologue_get_pc): Likewise.
4228 (fcmovDI pattern and splitter): Likewise.
4229 (movdfcc_1_rex64): New.
4231 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4233 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4234 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4235 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4236 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4237 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4238 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4239 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4240 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4241 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4242 (REGPARM_MAX): Set to 6 for x86_64.
4243 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4244 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4247 * (patterns that does use upper halves): Update constraints
4248 'q' to 'Q' and 'r' to 'R'.
4249 (cmpqi_ext_1): Disable for 64bit.
4250 (cmpqi_ext_3_insn): Likewise.
4251 (movqi_extzv_1): Likewsie.
4252 (addqi_ext_1): Liekwsie
4253 (testqi_ext_1): Liekwsie
4254 (andqi_ext_1): Liekwsie
4255 (xorqi_ext_1): Liekwsie
4256 (cmpqi_ext_1_rex64): New.
4257 (cmpqi_ext_3_insn_rex64): Likewise.
4258 (movqi_extzv_1_rex64): Likewsie.
4259 (addqi_ext_1_rex64): Liekwsie
4260 (testqi_ext_1_rex64): Liekwsie
4261 (andqi_ext_1_rex64): Liekwsie
4262 (xorqi_ext_1_rex64): Liekwsie
4264 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4266 * configure.in: Move check for unsigned enumerated bitfields
4267 to macro in aclocal.m4. Disable it for now.
4268 * configure, config.in: Regenerate.
4269 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4270 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4271 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4272 kind above its first use.
4274 * config/xm-interix.h, config/alpha/xm-alpha.h,
4275 config/i370/xm-linux.h, config/i386/xm-beos.h,
4276 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4277 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4278 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4279 Don't define ONLY_INT_FIELDS under any circumstances.
4281 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4283 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4284 config/sparc/xm-sysv4.h: Delete - now identical with some
4286 * config.gcc (hppa targets): Replace xm-pahpux.h and
4287 xm-papro.h with implicit xm-pa.h.
4288 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4291 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4293 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4294 before reload_cse_noop_set_p.
4296 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4298 * config.gcc: Where xm-host.h used to include another
4299 xm-host.h, list the nested header directly in xm_file. Remove
4300 references to deleted files. Can now use sparc/xm-sp64.h for
4303 * config/xm-linux.h, config/arm/xm-linux.h,
4304 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4305 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4306 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4307 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4308 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4311 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4312 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4313 bother to wrap #undef in #ifdef.
4314 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4315 Don't include xm-linux.h.
4316 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4318 * configure.in: Wrap regexps using [] in changequote block.
4319 Use expr : not echo | grep. Simplify regexps.
4320 * configure: Regenerate.
4322 56 xm-files remain, 22 xm-arch.
4324 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4326 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4327 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4328 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4329 (copy_object): Fix format specifier vs argument mismatch.
4331 * mips-tdump.c: Make local functions static.
4332 (rindex): Don't #undef.
4333 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4334 (fatal, fancy_abort): Delete.
4335 (read_seek): Avoid signed/unsigned compare.
4337 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4339 * combine.c (try_combine): Fix error in change to try original
4341 (gen_rtx_combine): Do same as gen_rtx for now.
4343 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4345 * configure.in: AC_SUBST xm_defines.
4346 * configure: Regenerate.
4347 * Makefile.in: Set DEFINES=$(xm_defines) when building
4350 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4352 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4353 (cpp_included, find_include_file): Update.
4354 (_cpp_compare_file_date): Make else unconditional.
4356 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4358 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4360 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4362 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4363 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4365 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4367 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4368 if it's a record type.
4370 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4372 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4373 mingw includes slightly.
4375 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4377 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4378 #undef token before poisoning it.
4380 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4382 * alpha.c (check_float_value): Use memcpy, not bcopy.
4384 * m32r.c (m32r_sched_reorder): Likewise.
4386 * vax.c (check_float_value): Likewise.
4388 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4390 * toplev.c (file_name_nondirectory): Remove.
4391 * toplev.h: Similarly.
4392 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4393 of file_name_nondirectory.
4395 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4397 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4398 * mips-tfile.c: Don't #undef rindex; not used.
4400 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4402 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4403 (dbx64_register_map): Declare.
4404 (RETURN_ADDR_RTX): Fix for 64bit.
4405 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4406 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4407 * i386.c (dbx64_register_map): New global array.
4408 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4409 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4412 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4414 * cppfiles.c (search_from): Use lbasename.
4415 * mkdeps.c (deps_add_default_target): Use lbasename.
4417 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4419 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4420 xcalloc in lieu of malloc, realloc & calloc.
4422 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4424 * gengenrtl.c (xmalloc): Likewise.
4426 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4427 really_call_* memory allocation routines.
4429 * stmt.c (check_for_full_enumeration_handling): Use
4430 really_call_calloc, not calloc.
4432 * system.h (really_call_malloc, really_call_calloc,
4433 really_call_realloc): Define.
4434 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4436 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4438 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4440 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4442 * configure: Rebuilt.
4443 * configure.in: Only use `lang_requires' for languages athat are
4446 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4448 * invoke.texi: Fix typo.
4449 * gcc.1: Regenerate.
4451 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4453 * configure.in: Prune nonexistent files from build_xm_file,
4454 xm_file, and host_xm_file lists. Warn unless they're
4456 Don't generate *config.h here.
4457 AC_SUBST all variables needed to generate *config.h.
4458 * configure: Regenerate.
4459 * mkconfig.sh: New helper script, from code removed from
4461 * Makefile.in: Zap all MALLOC variables - no longer used
4462 anywhere, and malloc.c doesn't exist.
4463 Substitute in variables needed to generate *config.h.
4464 Stop lying about the dependencies contained in CONFIG_H and
4466 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4467 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4468 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4469 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4470 $(TM_P_H), etc. as appropriate.
4472 * config.gcc: Zap references to deleted files.
4473 * ggc-none.c: Don't include rtl.h or tm_p.h.
4475 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4476 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4477 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4478 config/i386/xm-linux.h, config/i386/xm-linux.h,
4479 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4480 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4481 Don't include i386/xm-i386.h.
4483 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4484 config/i386/xm-i386.h, config/i860/xm-i860.h,
4485 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4486 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4487 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4488 Delete (empty except comments, #includes of other deleted
4489 files, and macros used nowhere).
4491 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4493 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4494 independent on TARGET_FLAGS.
4496 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4498 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4500 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4502 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4504 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4505 LAST_REX_SSE_REG): define.
4506 (enum reg_class): Add 'LEGACY_REGS'
4507 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4508 (SSE_REGNO_P): Recognize extended registers.
4509 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4510 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4511 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4512 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4513 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4514 REG_OK_FOR_STRREG_P): Remove.
4515 (HI_REGISTER_NAMES): Add extended registers.
4516 (ADDITIONAL_REGISTER_NAMES): Likewise.
4517 (QI_REGISTER_NAMES): Add 8bit extended registers.
4518 (DEBUG_REG): Support extended registers.
4519 * i386.c (regclass_map): Add extended registers.
4520 (dbx_register-map): Likewise.
4521 (svr4_dbx_register_map): Likewise.
4522 (print_reg): Support extended registers.
4523 (print_operand): Support 64bit operands.
4525 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4527 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4528 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4529 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4530 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4531 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4532 STACK_BOUNDARY): Set properly for 64bits.
4533 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4534 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4535 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4536 (MOVE_MAX): Set to 16.
4537 (MOVE_MAX_PIECES): 8 for 64bit.
4538 (Pmode): Set to SImode.
4540 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4542 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4544 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4546 * i386.h (mask_64bit): New constant.
4547 (target_64bit): New macro.
4548 (target_options): Add '64'/'32'
4549 (target_default): Define.
4550 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4551 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4552 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4554 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4556 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4558 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4560 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4561 LO_SUM unless for_alias is set.
4563 2001-03-08 Stan Shebs <shebs@apple.com>
4565 * objc/objc-act.c: Fix old typos in comments, add comments for
4567 (hash_init): Fix file name in error message.
4568 (hash_enter): Ditto.
4569 (hash_add_attr): Ditto.
4570 (continue_class): Ditto.
4572 2001-03-08 Bruce Korb <bkorb@gnu.org>
4574 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4575 wait4() can receive the signal.
4577 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4579 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4581 * fixinc/fixincl.x: Regenerate.
4583 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4585 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4587 * fixinc/fixincl.x: Regenerate.
4589 2001-03-08 Richard Henderson <rth@redhat.com>
4591 * configure.in (HAVE_AS_LEB128): New assembler check.
4592 * configure, config.in: Rebuilt.
4594 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4596 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4599 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4601 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4602 references to the MAXPATHLEN macro.
4604 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4605 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4608 * config/i386/xm-gnu.h, config/xm-gnu.h,
4609 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4610 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4611 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4612 and/or unused files.
4614 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4615 doing so in various xm-*.h files.
4617 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4619 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4621 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4623 * configure.in (enable_shared): Support per-package shared-library
4625 * configure: Rebuilt.
4627 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4629 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4630 for crnot. Set operands[5] in splitter.
4632 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4634 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4635 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4636 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4637 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4638 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4639 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4640 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4643 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4644 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4645 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4646 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4647 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4648 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4649 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4650 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4651 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4652 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4653 Delete unused and/or empty files.
4655 * config.gcc: Define USG in xm_defines as appropriate. Define
4656 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4657 macro. Remove deleted xm-* files from $xm_files variable.
4659 2001-03-07 Tom Tromey <tromey@redhat.com>
4661 * configure: Rebuilt.
4662 * configure.in: Allow config-lang.in to set `lang_requires' to list
4663 of other required languages.
4665 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4667 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4669 (output_prologue): Use xmalloc not oballoc.
4670 (output_epilog): Free a29k_first_epilogue_insn when finished.
4671 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4673 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4675 * builtins.c (expand_builtin_mathfn): Check
4676 flag_unsafe_math_optimizations, not flag_fast_math.
4677 (expand_builtin): Likewise
4678 * combine.c (combine_simplify_rtx): Likewise.
4679 (simplify_if_then_else): Likewise.
4680 * cse.c (fold_rtx): Likewise.
4681 * flags.h: Remove flag_fast_math. Add
4682 flag_unsafe_math_optimizations and flag_trapping_math.
4683 * fold-const.c (negate_expr): Check
4684 flag_unsafe_math_optimizations, not flag_fast_math.
4685 (invert_truthvalue): Likewise.
4686 (fold): Likewise. Before associating operands, check that
4687 code == MULT_EXPR, not code != MULT_EXPR.
4688 * ifcvt.c (noce_try_minmax): Check
4689 flag_unsafe_math_optimizations, not flag_fast_math.
4690 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4691 * invoke.texi: Document -funsafe-math-optimizations and
4692 -fno-trapping-math. Change documentation for -ffast-math.
4693 * jump.c (reversed_comparison_code_parts): Likewise.
4694 (rtx_equal_for_thread_p): Likewise.
4695 * optabs.c (emit_conditional_move): Likewise.
4696 * simplify-rtx.c (simplify_binary_operation): Likewise.
4697 (simplify_relational_operation): Likewise.
4698 (simplify_ternary_operation): Likewise.
4699 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4700 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4701 Add trapping-math and unsafe-math-optimizations entries to f_options.
4702 (set_fast_math_flags): New, sets flags for -ffast-math.
4703 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4704 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4705 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4707 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4708 (alpha_emit_conditional_move): Initialize local_fast_math to
4709 flag_unsafe_math_optimizations, not flat_fast_math.
4710 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4711 instead of setting flag_fast_math to 1.
4712 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4714 * config/i386/i386.c (override_options): Likewise
4715 * config/i386/i386.md: Likewise.
4716 * config/m68k/m68k.md: Likewise.
4717 * config/mips/mips.md: Likewise.
4718 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4719 (rs6000_generate_compare): Likewise.
4721 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4723 * Makefile.in: Set RANLIB to @RANLIB@.
4726 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4728 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4729 * fixinc/fixincl.x: Regenerated.
4731 2001-03-07 Richard Henderson <rth@redhat.com>
4733 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4735 2001-03-07 Richard Henderson <rth@redhat.com>
4737 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4738 of block notes and exception handling notes.
4740 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4741 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4742 (compile_file): ... here.
4744 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4746 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4748 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4749 config.h now. Include libiberty.h to handle alloca.
4751 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4753 * c-parse.in (yylexname): New function, split out of _yylex.
4754 (objc_rid_sans_at): New table.
4755 (init_reswords): Initialize it.
4756 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4757 retrieving the next token and checking it for significance as
4758 an ObjC keyword or string constant.
4760 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4761 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4763 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4766 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4768 * config/m68k/m68k.c (const_uint32_operand): Accept any
4769 const_int on a 32-bit host.
4771 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4773 * objc/objc-act.c (init_objc): Set save_lang_status,
4774 restore_lang_status, and mark_lang_status.
4776 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4778 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4780 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4782 * cppinternals.texi: Update.
4784 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4786 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4787 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4788 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4789 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4790 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4791 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4792 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4793 config/i386/xm-i386.h, config/i860/xm-i860.h,
4794 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4795 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4796 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4797 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4798 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4799 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4800 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4801 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4802 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4803 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4804 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4805 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4806 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4807 match the defaults provided in hwint.h.
4809 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4810 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4812 * config.gcc (xm_file): Don't set to files which are deleted.
4814 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4815 guard this file against these macros being undefined.
4817 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4819 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4820 and DECL_DEFER_OUTPUT on the decl we create, before calling
4821 rest_of_decl_compilation.
4823 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4825 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4827 * configure, config.in: Regenerate.
4828 * config.gcc: Remove references to deleted files.
4830 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4831 genrecog.c, rtl.c: Do not use alloca anywhere.
4833 * Makefile.in, build-make, system.h, config/x-interix,
4834 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4835 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4836 config/arc/xm-arc.h, config/arm/xm-arm.h,
4837 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4838 config/h8300/xm-h8300.h, config/i370/x-oe,
4839 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4840 config/i386/x-ncr3000, config/i386/x-sco5,
4841 config/i386/xm-dgux.h, config/i860/x-sysv4,
4842 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4843 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4844 config/m68k/x-hp320g, config/m69k/x-mot3300,
4845 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4846 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4847 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4848 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4849 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4850 config/mips/x-iris, config/mips/x-iris3,
4851 config/mips/x-sni-svr4, config/mips/x-sysv,
4852 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4853 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4854 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4855 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4856 config/pa/xm-papro.h, config/romp/xm-romp.h,
4857 config/rs6000/x-aix31, config/rs6000/x-aix41,
4858 config/rs6000/x-beos, config/rs6000/x-lynx,
4859 config/rs6000/x-mach, config/rs6000/x-rs6000,
4860 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4861 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4862 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4863 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4864 config/vax/xm-vms.h: Eradicate all references to alloca and
4867 * config/xm-alloca.h, config/clipper/x-clix,
4868 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4869 config/i860/x-sysv3, config/m88k/x-sysv3,
4870 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4871 (contained only alloca related hacks).
4873 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4876 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4878 * invoke.texi: Document __FAST_MATH__.
4880 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4882 * crtstuff.c: Restore include of auto-host.h.
4884 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4886 Put main() in a separate file, so that the language
4887 front-end can use a different main().
4890 * toplev.c: (main): Rename as toplev_main.
4891 * toplev.h: Declare toplev_main.
4892 * Makefile.in (OBJS): add toplev.o.
4893 (BACKEND): remove toplev.o, add main.o.
4895 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4897 * cppfiles.c (search_from): Special case the empty string.
4899 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4901 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4902 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4903 strlen or strcpy; we already know the length.
4904 (_cpp_compare_file_date): Similarly.
4905 * cpphash.h (struct cpp_reader): Delete done_initialising.
4906 (CPP_PREV_BUFFER): Delete.
4907 * cppinit.c (cpp_start_read): Don't set done_initialising.
4908 * cpplex.c (parse_string): Guarantee null-termination.
4909 (_cpp_equiv_toklists): Remove.
4910 * cpplib.c (glue_header_name): Null-terminate.
4911 (do_line): Don't leak memory.
4912 * cpplib.h (BT_WEAK): Delete.
4913 * cppmain.c (cb_ident): Strings are now null-terminated.
4915 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4917 * gcc.c (convert_filename): Append executable suffix
4918 if NO_AUTO_EXE_SUFFIX is not defined.
4919 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4920 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4922 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4924 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4925 * c-parse.gperf, c-gperf.h: Delete.
4926 (c-gperf.h was accidently re-added to the CVS repo in the rev
4927 1.16 commit by tromey)
4929 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4931 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4932 macro arguments when looking for the '('.
4933 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4934 2 when really parsing arguments; 1 when looking for '('.
4935 Always restore the lexer position.
4937 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4939 * longlong.h (umul_ppmm): Don't use a multiline string.
4941 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4943 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4944 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4945 t_bool in declaration because pcc can't combine volatile with typedef
4948 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4950 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4951 until when it is really needed.
4952 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4953 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4954 * i386.md (float?i?f splitter): Don't force source operand to memory
4956 (sse_movdfcc): Fix constraint.
4957 (sse_movdfcc splitter): Handle properly the second alternative.
4959 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * cpplex.c (parse_string): Unconditionally pedwarn.
4963 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4966 * cppexp.c (parse_number): Update.
4967 * cpplex.c (parse_string): Pedwarn if multiline string does not
4968 result from a system header's macro.
4969 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4970 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4971 for function-like macros too.
4972 * c-lex.c (lex_number): Update.
4974 2001-03-03 Richard Henderson <rth@redhat.com>
4976 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4978 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4980 * combine.c (try_combine): If split with mode-changed scratch
4981 register didn't work, try the original mode.
4983 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4985 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4986 * config/c4x/c4x.h: Likewise.
4987 * stor-layout.c (compute_record_mode): Likewise.
4988 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4990 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4992 * configure.in: Kill tm.h. Include the files in the $tm_file
4993 list in all three of config.h, hconfig.h, tconfig.h, after the
4994 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4995 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4996 * configure: Regenerate.
4997 * Makefile.in (clean): Don't delete tm.h.
4999 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5000 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5001 those are not defined, set SEC and FEC to 0 and 1.
5002 * gcc.texi: Update to match.
5004 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5005 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5006 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5007 Include tconfig.h, not tm.h.
5009 * config/xm-lynx.h, config/xm-std32.h,
5010 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5011 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5012 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5013 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5014 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5015 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5016 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5017 config/i386/xm-i386.h, config/i860/xm-i860.h,
5018 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5019 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5020 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5021 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5022 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5023 config/pa/xm-linux.h, config/pa/xm-pa.h,
5024 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5025 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5026 config/pj/xm-pj.h, config/romp/xm-romp.h,
5027 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5028 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5029 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5030 config/v850/xm-v850.h, config/vax/xm-vax.h,
5031 config/we32k/xm-we32k.h:
5033 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5035 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5036 config/i370/xm-oe.h: Don't include tm.h. Don't define
5038 * config/vax/xm-vms.h: Don't include tm.h.
5040 * config/xm-lynx.h, config/avr/xm-avr.h,
5041 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5042 Delete; made empty by above changes.
5043 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5044 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5045 Don't include config/xm-lynx.h or tm.h.
5047 * config/xm-gnu.h: Don't include fcntl.h.
5048 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5050 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5052 2001-03-02 Richard Henderson <rth@redhat.com>
5054 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5055 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5057 2001-03-02 Richard Henderson <rth@redhat.com>
5059 * Makefile.in (OBJS): Add dwarf2asm.o.
5060 * dwarf2asm.c, dwarf2asm.h: New files.
5061 * dwarf2out.c (*): Use them.
5062 (size_of_uleb128, size_of_sleb128): Remove.
5063 (output_uleb128, output_sleb128): Remove.
5064 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5065 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5066 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5067 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5068 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5069 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5070 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5071 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5072 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5073 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5074 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5075 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5076 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5077 (dwarf2out_frame_debug): Remove unused variables.
5078 (output_loc_operands): Don't abort on 8 byte constants if
5079 host integers are wide enough.
5080 (output_symbolic_ref): Remove.
5081 (size_of_die): Don't assume 4 byte host integers.
5082 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5084 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5085 something stupid with HOST_WIDE_INT to long truncation.
5086 [CONST_DOUBLE]: Likewise.
5088 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5089 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5090 * config/arm/unknown-elf.h: Likewise.
5091 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5092 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5093 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5094 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5095 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5096 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5097 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5098 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5099 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5100 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5101 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5102 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5104 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5106 * cselib.c (hash_rtx): Cast enums to unsigned int.
5108 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5110 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5111 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5113 * c-format.c (C_STD_VER): Cast to int for comparisons.
5114 (check_function_format): Cast various enums to int for &.
5115 (maybe_read_dollar_number): Likewise.
5116 (check_format_info): Likewise.
5117 (check_format_info_main): Likewise.
5118 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5119 (safe_from_p): Likewise.
5120 * varasm.c (const_hash): Cast enum to int for %.
5121 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5122 pcc enum problems with < and ++ operators.
5123 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5124 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5125 (regclass_init): Change enum class to int to iterate over reg_classes.
5126 * genrecog.c (merge_trees): Cast enums for comparison.
5127 * rtl.h (GET_CODE): Cast to enum rtx_code.
5128 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5129 (GET_MODE): Cast to enum machine_mode.
5130 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5131 (GET_NOTE_INSN_NAME): Cast enum to int.
5132 * tree.h (TREE_CODE): Cast to enum tree_code.
5133 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5134 * timevar.c (timevar_print): Change loop variable id from enum to
5136 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5137 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5138 * toplev.c (compile_file): Cast enum DFI to int.
5139 (decode_d_option): Likewise.
5141 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5143 * cppinit.c (append_include_chain): Mark "after" include file name list
5144 as a system directory.
5145 * cpp.texi: Document new behavior.
5147 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5149 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5151 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5153 * cppfiles.c (struct include_file): Update.
5154 (stack_include_file): Use search_from.
5155 (cpp_included, find_include_file): Update.
5156 (cpp_execute_include): Update. ptr->name may not be
5157 null terminated. Use the new search_from member variable
5159 (_cpp_compare_file_date): Similarly.
5160 (search_from): New function, similiar to actual_directory.
5161 (actual_directory): Delete.
5162 (remap_filename): Update. loc->name may not be null terminated.
5163 (struct file_name_list): Rename search_path. Update.
5164 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5165 search_from and dir.
5166 (struct cpp_reader): Remove actual_dirs.
5167 * cppinit.c (struct cpp_pending): Update for renamed objects.
5168 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5169 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5170 * cpplib.h (struct cpp_options): Similarly.
5172 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5174 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5175 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5176 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5177 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5178 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5179 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5180 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5181 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5182 config/i370/xm-oe.h, config/i386/xm-aix.h,
5183 config/i386/xm-i386.h, config/i386/xm-osf.h,
5184 config/i860/xm-i860.h, config/i960/xm-i960.h,
5185 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5186 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5187 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5188 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5189 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5190 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5191 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5192 config/pj/xm-pj.h, config/romp/xm-romp.h,
5193 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5194 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5195 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5196 config/v850/xm-v850.h, config/vax/xm-vax.h,
5197 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5198 Do not define TRUE or FALSE.
5200 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5201 empty by above change.
5202 * config.gcc: Remove references to these files.
5204 * configure.in: Detect stdbool.h.
5205 * configure, config.in: Regenerate.
5206 * system.h: Include stddef.h here if available.
5207 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5208 Then set up a sensible boolean type at the very end.
5210 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5211 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5213 * hash.h: Delete 'boolean' typedef and related #undefs.
5215 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5216 all uses of 'boolean' with 'bool'.
5218 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5220 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5221 * cppexp.c (lex): Cast enums for comparison.
5222 * cppinit.c (parse_option): Cast enum for comparison.
5223 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5224 (cpp_output_token): Likewise.
5225 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5226 (cpp_avoid_paste): Cast enums for minus and comparison.
5228 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5230 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5231 field to all array elements.
5233 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5235 * cpphash.h (struct cpp_reader): Add print_version field.
5236 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5237 just set print_version and other flags as appropriate.
5238 (cpp_post_options): Print version here if print_version is set.
5240 * toplev.c (exit_after_options): New flag.
5241 (independent_decode_option): Don't exit here; just set
5243 (main): Exit after calling lang_hooks.post_options if
5244 exit_after_options is true.
5246 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5247 (merge_include_chains): Adjust comment to match code.
5249 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5251 * stringpool.c (set_identifier): New function.
5252 * tree.h: Prototype it.
5254 * c-parse.in: Kill D_YES. If compiled for objc, call
5255 save_and_forget_protocol_qualifiers from init_reswords.
5256 * objc/objc-act.c (remember_protocol_qualifiers,
5257 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5258 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5260 (save_and_forget_protocol_qualifiers): New function.
5261 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5263 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5265 * c-semantics.c (prune_unused_decls): Return error_mark_node
5266 instead of (tree) 1 to stop traversing the tree chain.
5268 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5270 Fix a problem introduced by Kenner's Feb 18 change.
5271 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5272 flag_cse_skip_blocks only temporarily, not for ever.
5274 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5276 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5277 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5279 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5280 before determining its register class.
5282 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5284 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5285 from reg 4 if current_function_calls_setjmp.
5286 (gen_nop_type): New function.
5287 (ia64_emit_nops): New function.
5288 (ia64_reorg): Call it.
5289 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5291 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5292 code not to try to optimize adds with anything but a REG destination.
5294 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5295 (INSN_PRIORITY_KNOWN): New accessor macro.
5296 * haifa-sched.c (priority): Use it instead of testing priority against
5299 2001-02-28 DJ Delorie <dj@redhat.com>
5301 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5302 since that doesn't work the way gcc wants on a generic m68k.
5304 2001-02-28 Richard Henderson <rth@redhat.com>
5306 * caller-save.c (save_call_clobbered_regs): Fix typo in
5307 comparison last change.
5309 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5311 * i386.c (pentium4_cost): New.
5312 (m_PENT4): New macro.
5313 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5314 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5315 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5316 x86_memory_mismatch_stall): Add Pentium4
5317 (x86_use_q_reg, x86_use_any_reg): Kill.
5318 (override_options): Add pentium4.
5319 (incdec_operand): Return 0 for pentium4.
5320 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5321 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5322 (TARGET_PENTIUM4): Define.
5323 (enum processor_type): Add PROCESSOR_PENTIUM4.
5324 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5325 * i386.md (attribute "cpu"): Add pentium4.
5326 * invoke.texi (march): Add pentium4.
5328 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5330 * i386.md (sse_mov?fcc*): New patterns and splitters.
5331 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5332 the SSE based conditional moves.
5334 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5336 * i386.md (attribute mode): Add "TI".
5337 (movsf_1): Add pxor support; remove constant propagation splitter.
5338 (movdf_integer): Likewise.
5339 (movdf_nointeger): Likewise.
5340 (movxf constant prop splitter): Handle all modes; update for SSE.
5341 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5342 * i386.c (standard_80387_constant_p): Rewrite.
5343 (standard_sse_constant_p): New.
5344 * i386-protos.h (standard_sse_constant_p): New.
5346 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5348 * i386.md (sse_setccsf, sse_setccdf): New.
5349 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5351 * i386.c (sse_comparison_operator): Accept the supported unordered
5352 comparses; be ready for fast_math.
5353 (print_operand): Support 'D'.
5355 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5357 * jump.c (reversed_comparison_code): Kill.
5359 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5361 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5364 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5366 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5367 add missing '%' in constraints.
5369 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5371 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5372 for HOST_BITS_PER_WIDE_INT == 32 too.
5374 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5376 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5378 (insert_save, insert_restore): New parameter save_mode.
5379 (init_caller_save): Update initialization of reg_save_code
5380 and reg_restore_code.
5381 (save_call_clobbered_regs): Compute save_modes and update calls to
5382 reg_save_code and reg_restore_code.
5383 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5384 of spill; update use of reg_restore_code.
5385 (insert_save): Likewise.
5386 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5387 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5388 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5390 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5392 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5393 noce_try_store_flag_inc, noce_try_store_flag_mask,
5394 noce_try_cmove_arith):
5395 Use reversed_comparison_code instead of reverse_comparison and
5396 can_reverse_comparison_p.
5398 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5400 * jump.c (reversed_comparison_code_parts): Allow reversal of
5401 unordered compares in -ffast-math mode; reverse ordered compares
5402 for FP even w/o -ffast-math.
5404 2001-02-27 Richard Henderson <rth@redhat.com>
5406 * print-rtl.c (print_rtx) [i]: Don't print field five on
5407 NOTEs other than NOTE_INSN_DELETED_LABEL.
5409 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5411 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5412 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5414 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5416 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5417 even if walk_subtrees is 0.
5418 * c-semantics.c (prune_unused_decls): Return a non-null value to
5419 stop traversing the tree chain.
5421 2001-02-27 DJ Delorie <dj@redhat.com>
5423 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5424 register, *then* define it as the new CFA.
5426 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5428 * pa.c (override_options): Promote -fpic to -fPIC.
5429 (legitimize_pic_address): Simplify due to removal of
5430 small PIC as a code generation option.
5431 (secondary_reload_class): Similarly.
5432 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5433 (PRINT_OPERAND_ADDRESS): Similarly.
5434 * pa.md (various patterns): Similarly.
5435 (small pic lo_sum pattern): Remove.
5437 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5440 * md.texi (min, max): Document
5442 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5444 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5445 TARGET_PARTIAL_REG_DEPENDENCY.
5446 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5448 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5450 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5452 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5454 * mips.c (mips_make_temp_file): Fix thinko in last change.
5456 2001-02-26 Jason Eckhardt <jle@redhat.com>
5458 * combine.c (known_cond): Do not reverse the condition when
5459 SMAX/UMAX is being considered and the condition is for equality
5462 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5464 2001-02-26 Philip Blundell <philb@gnu.org>
5466 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5468 * config/arm/linux-elf.h: Remove historical relics related to
5469 above configurations.
5470 * config/arm/linux-oldld.h: Delete.
5471 * config/arm/linux-elf26.h: Delete.
5473 2001-02-26 Jason Merrill <jason@redhat.com>
5475 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5477 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5478 recognize a tentative definition. Lose obsolete code.
5480 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5481 variables unless necessary, either.
5483 2001-02-25 Richard Henderson <rth@redhat.com>
5485 * ifcvt.c (struct noce_if_info): Add test_bb.
5486 (noce_get_alt_condition): New.
5487 (noce_try_minmax, noce_try_abs): New.
5488 (noce_operand_ok): New.
5489 (noce_process_if_block): Use them.
5490 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5492 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5494 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5497 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5499 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5500 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5502 (mips_asm_file_end): Free temp_filename here.
5504 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5506 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5507 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5509 * config/i386/i386.md (movstrsi): Handle FAIL case.
5511 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5513 * cppinit.c (builtin_array): Update.
5514 (init_builtins): Flag builtins to warn if redefined or
5515 undefined. Define __GXX_WEAK as a normal macro.
5516 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5517 * cpplib.h (NODE_WARN): New flag.
5518 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5519 Handle __STDC__ as a builtin only on Solaris.
5520 (warn_of_redefinition): Renamed from check_macro_definition.
5521 Reverse sense of test. Always warn if NODE_WARN.
5522 (_cpp_create_definition): Use warn_of_redefinition. Flag
5523 any macro beginning with "__STDC_" to require a mandatory
5524 warning if redefined or undefined.
5526 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5528 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5529 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5530 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5531 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5532 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5533 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5534 Don't define any of:
5535 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5536 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5537 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5538 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5539 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5541 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5542 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5545 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5546 Delete now-empty file.
5548 * alpha/vms.h: Define NEED_ATEXIT here...
5549 * alpha/xm-vms.h: ...not here.
5551 * i386/cygwin.h: Don't define PARAMS.
5552 * mips/mips.c: Don't prototype mktemp. Don't define
5553 P_tmpdir. Use make_temp_file to create temporary files.
5554 Don't be clever and delete temporary files early.
5555 * config.gcc: Drop references to deleted files. Don't define
5557 * gcc.texi: Don't mention USE_PROTOTYPES.
5559 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5561 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5562 (ix86_set_move_mem_attrs_1): Likewise.
5563 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5564 * config/i386/i386.md (movstrsi): Call it.
5566 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5568 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5569 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5570 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5571 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5573 (i750a-*-*): Error here if hosting on i750a.
5574 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5576 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5577 Remove (empty modulo comments).
5579 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5580 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5581 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5582 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5583 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5584 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5586 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5587 Remove reference to winnt.h in comment.
5588 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5590 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5592 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5593 used to set another biv.
5595 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5597 * tree.h (BLOCK_DEAD): New macro.
5598 (struct tree_block): New flag, dead_flag.
5599 * print-tree.c (print_node, case 'b'): Print missing fields.
5600 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5601 * function.c (identify_blocks): Enable test for misplaced notes.
5602 (all_blocks): Skip BLOCK_DEAD blocks.
5603 * integrate.c (integrate_decl_tree): Likewise.
5605 * errors.c (internal_error, trim_filename): New functions.
5606 (fancy_abort): Call internal_error.
5607 * errors.h (internal_error, trim_filename): New declarations.
5609 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5611 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5613 (EXTRA_CONSTRAINT): Formatting changes.
5615 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5617 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5619 2001-02-23 Per Bothner <per@bothner.com>
5621 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5622 so they can be called from java/jvspec.c.
5623 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5625 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5627 * i386.c (ix86_frame): New structure.
5628 (ix86_compute_frame_size): Kill.
5629 (ix86_compute_frame_layout): New.
5630 (ix86_save_reg): New.
5631 (ix86_can_use_return_insn_p): Use frame layout stuff.
5632 (ix86_expand_prologue): Likewise.
5633 (ix86_expand_epilogue): Likewise.
5634 (ix86_initial_elimination_offset): Likewise.
5635 (ix86_nsaved_regs): Use ix86_save_reg.
5636 (ix86_emit_save_regs): Likewise.
5638 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5640 * flow.c (find_sub_basic_blocks): New function.
5641 (split_block): Be ready for basic block introduced by CODE_LABEL.
5642 (commit_one_edge_insertion): Call find_sub_basic_block.
5644 * flow.c (make_edges): Add edge from entry for blocks starting with
5645 label having ALTERNATE_NAME
5647 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5649 * function.c (epilogue_done): Be ready for first basic block not
5650 containing PROLOGUE_END note.
5651 (reposition_prologue_and_epilogue_notes): Avoid placing
5652 PROLOGUE_END note between BASIC_BLOCK.
5654 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5656 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5658 2001-02-21 DJ Delorie <dj@redhat.com>
5660 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5661 check for current_function_has_nonlocal_goto from 1999-11-12.
5663 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5665 * diagnostic.c (trim_filename): No longer static.
5666 * toplev.h (trim_filename): Declare.
5667 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5668 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5669 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5670 (rtvec_check_failed_bounds): Likewise.
5671 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5673 * convert.c (convert_to_integer): Don't do unsigned unless result or
5674 both inputs are unsigned.
5676 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5679 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5681 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5683 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5685 * Makefile.in (resource.o): Add params.h dependence.
5686 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5687 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5688 * resource.c: Add dependence on params.h.
5689 (current_live_regs): Fix explanatory comment.
5690 (find_basic_block): Add new parameter to permit limiting search
5692 (mark_target_live_regs): Add new argument to find_basic_block call.
5693 (incr_ticks_for_insn): Likewise.
5695 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5697 * diagnostic.c (output_to_stream): Rename to
5698 output_buffer_to_stream. Loses the stream parameter.
5699 (init_output_buffer): Set diagnosic_buffer's stream.
5700 (flush_diagnostic_buffer): Adjust.
5701 (default_print_error_function): Likewise.
5702 (finish_diagnostic): Likewise.
5703 (verbatim): Likewise.
5705 * diagnostic.h (struct output_buffer): Add `stream' field.
5706 (output_buffer_attached_stream): New macro.
5708 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5710 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5711 check if either operand is divisible by C.
5712 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5713 If type is signed, consider negative numbers as well.
5715 2001-02-22 Richard Henderson <rth@redhat.com>
5717 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5718 reach .text instead of gp-relative relocs.
5719 * config/ia64/crtend.asm (.init): Likewise.
5721 2001-02-22 Andreas Jaeger <aj@suse.de>
5723 * extend.texi (C++ Attributes): Fix typo.
5725 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5727 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5728 functions, drop current_function_args_info.words test.
5729 (ia64_compute_frame_size): Mark syscall_linkage functions as
5730 using eight input registers.
5732 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5733 Bruce Korb <bkorb@gnu.org>
5735 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5736 * fixinc/README: Document how to convert sed substitutions
5737 to format style c_fix-es.
5738 * fixinc/fixincl.x: regen
5740 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5742 * gcc.c: Add comment explaining how to add a command-line option.
5743 Add title to specs language comment.
5745 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5747 * gcc.c (cc1_options): Add "-param".
5748 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5749 (option_map): Likewise.
5750 * toplev.c (display_help): Add entry for "--param".
5751 (independent_decode_option): Fix typographical error.
5753 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5754 Bernd Schmidt <bernds@redhat.com>
5755 Jan Hubicka <jh@suse.cz>
5757 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5758 (function_arg): Likewise.
5760 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5762 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5764 2001-02-21 Kazu Hirata <kazu@hxi.com>
5766 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5770 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5772 * flow.c (init_propagate_block_info): Canon address and use single_set
5773 for killing dead memory stores.
5775 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5777 * Makefile.in (reorg.o): Add params.h dependence.
5778 * params.def: Fix typographical error in comment.
5779 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5780 * params.h: Modify introductory comment.
5781 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5782 * reorg.c: Add dependence on params.h.
5783 (redundant_insn): Add parameterized throttle for search.
5784 (fill_simple_delay_slots): Add a comment explaining a variable.
5785 Move conditional out of loop, simplifying code.
5786 (fill_eager_delay_slots): Fix typographical error in comment.
5788 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5790 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5792 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5793 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5795 2001-02-21 Jason Merrill <jason@redhat.com>
5797 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5798 (struct tree_decl): Add uninlinable bitfield.
5799 * c-decl.c (duplicate_decls): Set it.
5800 * integrate.c (function_cannot_inline_p): Check it.
5802 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5803 DW_AT_MIPS_linkage_name to abstract methods.
5804 (dwarf2out_abstract_function): Emit class context before calling
5805 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5806 (gen_subprogram_die): Remove obsolete code.
5807 (gen_member_die): Don't include clones in the member list.
5808 (gen_decl_die): Emit abstract info for clone origin.
5809 * dwarfout.c (output_type): Don't include clones in the member list.
5810 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5811 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5812 DECL_ABSTRACT on a function that already has it set.
5814 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5815 (get_subprogram_die): Pass it in.
5817 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5819 * flow.c (mark_set_1): Make not_dead unsigned long. For
5820 non-pseudos, use it as a bitmask of the hard regs that
5823 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5825 * cppfiles.c: Update comments.
5826 (_cpp_read_file): Don't check for NULL filenames any more.
5827 * cppinit.c (cpp_start_read): Don't do canonicalization of
5828 in_fname and out_fname. Use the passed file name exclusively.
5829 (_cpp_handle_options): Don't treat "-" as a command line option,
5830 but as a normal filename.
5831 (_cpp_post_options): Canonicalize in_fname and out_fname.
5832 * cppmain.c (printer_init): Don't check out_fname for NULL.
5833 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5834 (init_c_lex): Update, and use "" to represent stdin to CPP.
5837 2001-02-20 Will Cohen <wcohen@redhat.com>
5839 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5840 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5841 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5844 2001-02-20 Stan Shebs <shebs@apple.com>
5846 * config/rs6000/rs6000.c (output_cbranch): Output branches
5847 on separate lines instead of using ';' to separate.
5849 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5851 * cppinit.c (set_lang): Move builtin handling to...
5852 (init_builtins): ...here.
5853 (_cpp_create_reader): Move call to set_lang.
5855 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5857 * stmt.c (expand_return): If an attempt is made to return the
5858 error_mar_node, treat the return like a return without a value.
5860 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5862 * sibcall.c (skip_copy_to_return_value): Call
5863 identify_call_return_value here, and return orig_insn if it
5864 returns zero. Hardret and softret arguments now unnecessary.
5865 (call_ends_block_p): Don't call identify_call_return_value here.
5867 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5869 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5870 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5872 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5874 * pa.c (move_operand): Accept code to load the address of a
5875 symbol out of the DLT as a valid move operand.
5876 (print_operand, case 'A'): New to handle generating a DLT
5877 reference for a LO_SUM expression.
5878 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5879 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5881 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5883 * README, cpp.texi, gcc.texi, version.c: Update version number to
5885 * cpp.1, gcov.1, gcc.1: Regenerate.
5887 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5889 * cppfiles.c (stack_include_file): Generate dependencies
5890 here, and manage include_count here too.
5891 (PRINT_THIS_DEP): Delete.
5892 (_cpp_execute_include): Do not generate dependencies here,
5893 apart from the case of a missing header. Do not manage
5895 (_cpp_read_file): Leave dependency generation to
5898 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5900 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5901 target_cpu_default. Remove dead assignment to
5904 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5906 * regclass.c (contains_reg_of_mode): Make global.
5907 (init_reg_sets): Remove contains_reg_of_mode; take into account
5908 CLASS_MAX_NREGS when looking for the proper mode.
5909 (dump_regclass): Dump only classes considered for the pseudo.
5910 (regclass): Use contains_reg_of_mode.
5912 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5914 * gcc.c (do_spec_1): 'n' for printing notices.
5915 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5917 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5919 * reg-stack.c (next_flags_user): Use current_block->end
5920 (swap_rtx_condition): Look for next user if flags don't die;
5921 give up on CALL_INSNs; use current_block->end.
5923 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5925 * sibcall.c (call_ends_block_p): New function.
5926 (optimize_sibling_and_tail_recursive_call): Use it.
5928 2001-02-18 Kazu Hirata <kazu@hxi.com>
5930 * config/h8300/h8300.md: Update copyright.
5931 (andsi3): Do not output an extra newline character.
5933 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5935 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5936 FNDECL may be unused.
5938 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5939 follow jumps after first run.
5940 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5941 it doesn't change any jumps.
5943 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5945 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5946 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5947 (mostlyclean): Corresponding changes.
5948 * rtlanal.c (hard-reg-set.h): Include.
5949 (rtx_unstable_p): Do not treat the argument pointer specially
5950 if it is not a fixed register.
5951 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5953 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5955 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5956 against last real insn in basic block.
5957 Rework to avoid gotos.
5959 * Makefile.in (gcse.o): Now includes ggc.h.
5960 * gcse.c: Include ggc.h.
5961 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5962 (try_replace_reg): Remove warning of uninitialize variable.
5963 (process_insert_insn): Call invalid_insn_p to validate insn.
5964 * recog.c (insn_invalid_p): Now global.
5965 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5966 * recog.h (insn_invalid_p): New declaration.
5968 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5970 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5971 assignments from FP constants since 'Y' output code can't handle it.
5972 (eligible_for_sibcall_delay): Likewise.
5974 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5975 Call fancy_abort directly, passing args.
5976 (print_rtl_and_abort): Now a macro, like fancy_abort.
5978 * final.c (output_operand_lossage): Use internal_error, not error.
5980 2001-02-18 Shane Nay <shane@agendacomputing.com>
5982 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5983 structure shift insns.
5985 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5987 * invoke.texi (-fsquangle): Remove documentation.
5988 (-fname-mangling-version): Likewise.
5990 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5992 * optabs.c (expand_abs): Remove reference to
5993 HAVE_contitional_arithmetic.
5994 * combine.c (simplify_set): Likewise.
5996 2001-02-18 Richard Henderson <rth@redhat.com>
5998 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6001 2001-02-18 Richard Henderson <rth@redhat.com>
6003 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6005 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6007 * reload1.c (reload_cse_simplify_set): Fix typo.
6009 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6011 * diagnostic.c (_fatal_insn): Decrement errorcount.
6013 * invoke.texi (-I): Add note avoiding use for system header files.
6015 * rtl.h (add_clobbers): Remove duplicate declaration.
6016 * recog.h (added_clobbers_hard_reg_p): New declaration.
6017 * genemit.c (struct clobber_pat): New field has_hard_reg.
6018 (gen_insn): Record if added clobbers clobber hard reg.
6019 (gen_split): Avoid unused warning if number of operands is 0.
6020 (output_added_clobbers_hard_reg_p): New function.
6023 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6025 * pa.c (hppa_expand_prologue): Simplify code storing return
6026 pointer. For large (>=8k) frames with a post_store, adjust stack
6027 pointer by 8k-64 first rather than by 64. When testing with
6028 VAL_14_BITS_P, always use the actual value rather than the value
6029 negated. Add blockage to prevent scheduling of spills before
6030 stack frame has been created.
6031 (hppa_expand_epilogue): Simplify code loading return pointer.
6032 Allow a slightly larger range for merge_sp_adjust_with_load case.
6033 When testing with VAL_14_BITS_P, always use the actual value.
6035 * pa.c (pa_adjust_insn_length): Check that block move
6036 pattern is a set before looking at operands.
6038 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6040 * fold-const.c (fold_binary_op_with_conditional_arg): New
6041 function, split out from ...
6043 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6044 conditional arms that throw exceptions.
6046 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6049 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6051 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6052 define HAVE_DECL_* to 1 to mask potential backup declarations.
6053 * configure: Regenerated.
6055 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6057 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6059 2001-02-17 Richard Henderson <rth@redhat.com>
6061 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6062 when replacing a memory load with a register.
6064 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6065 Jan Hubicka <jh@suse.cz>
6067 * recog.c (validate_replace_src_1): New.
6068 (validate_replace_src_data): Likewise.
6069 (validate_replace_src): Use note_uses.
6070 * rtl.h (note_uses): Declare.
6071 * rtlanal.c (note_uses): New.
6073 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6075 * reg-stack.c (stack_def): Make field reg unsigned.
6076 (remove_regno_note): Unsignetize parameter.
6078 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6080 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6081 shladd_operand() call.
6083 2001-02-16 Bruce Korb <bkorb@gnu.org>
6084 Rodney Brown <RodneyBrown@mynd.com>
6086 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6087 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6088 machine restrictions
6089 * fixinc/fixincl.x: regen
6091 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6093 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6095 (hash_scan_insn): Clean up calls to hash_scan_set.
6096 (compute_kill_rd): REGNO now unsigned.
6097 (try_replace_reg): Rework to use simplify_replace_rtx.
6098 (cprop_jump, cprop_cc0_jump): Likewise.
6099 (cprop_insn): Call find_reg_equal_equiv_note.
6100 Reflect changes to cprop_jump and cprop_cc0_jump.
6102 * recog.c (validate_replace_src): Replace in operands of
6103 ZERO_EXTRACT in SET_DEST.
6105 * cse.c (new_label_ref): New variable.
6106 (insert): Set it instead of recorded_label_ref.
6107 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6108 CODE_LABEL for this function, and not already in REG_LABEL note.
6110 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6112 * resource.c (mark_referenced_resources): Fix typo in introductory
6114 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6117 2001-02-16 Jason Merrill <jason@redhat.com>
6119 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6121 (gen_subprogram_die): Don't abort on seeing a second definition if
6122 the previous one was abstract. Don't replace an abstract instance
6123 in the lookup table.
6125 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6126 gen_abstract_function.
6127 * dwarf2out.h: Declare it.
6128 * toplev.c (note_outlining_of_inline_function): New fn.
6129 * toplev.h: Declare it.
6130 * integrate.c (output_inline_function): Call it.
6131 * c-decl.c (duplicate_decls): Call it when redefining an extern
6132 inline. Don't inline the new defn.
6134 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6136 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6138 * .gdbinit: Rename to gdbinit.in.
6139 * gdbinit.in: New file,
6140 * configure.in: Generate .gdbinit from gdbinit.in.
6141 * configure: Regenerated.
6142 * Makefile.in (distclean): Always remove .gdbinit.
6144 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6146 * objc/objc-act.c (start_class): Register implemented_classes with
6149 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6151 * cppfiles.c (_cpp_make_system_header): Generate a file
6154 2001-02-15 Jim Meyering <meyering@lucent.com>
6156 * Makefile.in (install-common): Don't depend on installdirs here.
6157 Instead, make each of the lang.install-common targets (e.g.,
6158 c++.install-common in cp/Make-lang.in) depend on it.
6159 (install-driver): Depend on installdirs.
6161 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6163 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6165 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6168 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6170 * invoke.texi (--param): Document.
6172 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6174 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6176 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6178 * i386.md (extendsfdf2_2): Fix constraints.
6180 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6182 * i386.md (fop_df_3 splitter): Fix operand number.
6184 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6186 * invoke.texi (-mreg-alloc): Nuke.
6187 * i386.c (ix86_reg_alloc_order, regs_allocated,
6188 order_regs_for_local_alloc): Nuke.
6189 (override_options): Kill reg_alloc code.
6190 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6191 (REG_ALLOC_ORDER): SSE goes before I387.
6192 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6193 (ix86_reg_alloc_order): Likewise.
6194 * i386-protos.h (ix86_reg_alloc_order): Kill.
6196 2001-02-14 Richard Henderson <rth@redhat.com>
6198 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6200 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6202 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6204 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6206 * i386-protos.h (ix86_memory_move_cost): Move offline.
6207 * i386.c (ix86_register_move_cost): Compute properly cost of
6208 SSE, MMX and i387 instructions.
6209 (*_cost): Add costs of SSE/MMX moves.
6210 (ix86_memory_move_cost): Move offline from ....; Likewise.
6211 * i386.h (MEMORY_MOVE_COST): .... here;
6212 (struct processor costs): Add new fields to represent costs
6215 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6217 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6218 move_cost together with Matt Kraai's fix.
6220 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6222 * Makefile.in (OBJS): Add params.o.
6224 2001-02-14 Richard Henderson <rth@redhat.com>
6225 DJ Delorie <dj@redhat.com>
6227 * jump.c (jump_optimize_1): When we delete a conditional jump
6228 preceeding a non-conditional jump to effectively the same place,
6229 make sure that the combined jump skips any clobber insns between
6232 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6234 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6236 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6238 * Makefile.in (toplev.o): Depend on params.h.
6239 (intergate.o): Likewise.
6240 (params.o): New target.
6241 * flags.h (inline_max_insns): Remove.
6242 * integrate.c: Include params.h.
6243 Use MAX_INLINE_INSNS instead of inline_max_insns.
6244 * params.c: New file.
6245 * params.h: Likewise.
6246 * params.def: Likewise.
6247 * toplev.c: Include params.h.
6248 (lang_independent_params): New variable.
6249 (decode_f_option): Use the param machinery instead of setting
6251 (independent_decode_option): Handle "--param name=value".
6252 (main): Register language-independent parameters.
6254 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6256 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6258 2001-02-14 Richard Henderson <rth@redhat.com>
6260 * regclass.c (init_reg_sets_1): Revert last two changes.
6262 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6264 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6265 (variable_size): Call put_pending_size.
6266 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6267 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6268 sizes list, put newly created SAVE_EXPR there as well.
6270 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6272 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6273 (errata_find_address_regs): load_group has only 2 entries.
6274 (errata_emit_nops): Likewise. shladd is not problematic.
6275 Clear last_group if nop was emitted.
6276 (fixup_errata): load_group has only 2 entries.
6279 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6281 * c-lex.c (lex_number): Only warn traditionally for U suffix
6282 outside system macros.
6283 * cppexp.c (parse_number): Similarly.
6284 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6285 * cppmacro.c (struct cpp_macro): New member node.
6286 (parse_args): Only warn about missing rest args if not
6288 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6289 (cpp_sys_objmacro_p): New.
6290 (_cpp_create_definition): Store the node with the macro defn.
6291 Remember if the macro is defined in a system header.
6293 2001-02-13 DJ Delorie <dj@redhat.com>
6295 * configure.in (check_languages): determine languages to check
6296 * Makefile.in (check-c++): alias for check-g++
6297 (check-f77): alias for check-g77
6298 (CHECK_TARGETS): depend on configured languages
6300 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6302 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6303 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6304 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6305 (sqrtextendsfdf2): Disable for SSE2.
6307 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6309 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6310 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6311 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6312 (sqrtextendsfdf2): Disable for SSE2.
6314 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6316 * i386.md (movsfcc_1): Support integer cmove instruction.
6317 (movdfcc_1): Likewise; new splitter.
6319 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6321 * i386.c (output_fp_compare): Support SSE.
6322 (prepare_fp_compare_args): SSE comparisons always support memory.
6323 * i386.h (TARGET_CMOVE): SSE imply cmove.
6324 * i386.md (cmp?f2): Enable for SSE too.
6325 (cmpfp_i*): Support SSE.
6327 (cmpfp_i_sse_only): New.
6328 (s*, b* fp expanters): Enable for SSE too.
6329 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6332 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6334 * regclass.c (init_reg_sets_1): Silence warning.
6336 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6338 * i386.md (sqrt?f2): Change to expander.
6339 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6341 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6343 * rtlanal.c (find_reg_equal_equiv_note): New function.
6344 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6345 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6346 * rtl.h: Add declarations for above functions.
6348 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6350 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6352 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6353 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6354 * flow.c (mark_regs_live_at_end): Likewise.
6355 (calculate_global_regs_live): Likewise.
6356 * gcse.c (compute_hash_table): Likewise.
6357 (compute_kill_rd): Likewise.
6358 * resource.c (mark_target_live_regs): Likewise.
6359 * rtl.h (INVALID_REGNUM): New macro.
6361 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6363 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6365 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6367 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6370 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6372 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6374 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6375 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6376 (fop_sf_1_sse, fop_df_1_sse): New patterns
6377 (fop_*): Disable float_extend and float patterns for SSE compilation.
6378 * i386.c (output_387_binary_op): Support SSE.
6380 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6382 * i386.md (dummy_extendsfdf2): Support SSE2
6383 (extendsfdf2): Enable if 80387 or SSE2.
6384 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6385 and no MIX_I387_SSE2
6386 (extendsfdf2_1_sse_only): New pattern.
6387 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6389 (truncdfsf2_1): Support SSE.
6390 (truncdfsf2_2): Support SSE.
6391 (truncdfsf2_2_1_sse): New pattern.
6392 (fixtruncsfsi2): Always use SSE if available.
6393 (fix_truncsfsi_sse): New pattern.
6394 (fix_truncdfsi_sse): New pattern.
6395 (floatsis?f2): Support SSE.
6396 (floatsidf2_i387): New pattern.
6397 (floatsidf2_sse): Likewise.
6399 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6401 * configure.in: Use "have_gnat" variable, not "gnat".
6402 * configure: Regenerated.
6404 * config/sparc/sparc.c (function_value): Treat all non-record
6405 aggregate types like used to treat UNION_TYPE.
6407 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6409 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6410 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6412 (MASK_MIX_SSE_I387): New.
6413 (TARGET_SSE): SSE2 imply SSE.
6414 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6415 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6416 (enum reg_class): Add new classes.
6417 (REG_CLASS_NAMES): Likewise.
6418 (REG_CLASS_CONTENTS): Likewise.
6419 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6420 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6421 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6422 (CLASS_MAX_NREGS): Use new macros.
6423 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6424 * i386.md (pushsf, movsf): Support SSE.
6425 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6426 splitters to use ANY_FP_REGNO_P.
6427 (movdf_nointeger, movdf_integer): Likewise.
6429 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6431 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6432 (try_combine): Use it.
6434 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6436 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6437 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6438 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6439 (REGISTER_MOVE_COST): Likewise.
6440 * i386-protos.h (ix86_secondary_memory_needed,
6441 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6442 * i386.c (ix86_secondary_memory_needed,
6443 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6445 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6447 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6448 (HARD_REGNO_MODE_OK): Move offline to ....
6449 * i386.c (ix86_hard_regno_mode_ok) ... here;
6450 refuse all incorrect modes.
6451 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6453 2001-02-13 Richard Henderson <rth@redhat.com>
6455 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6456 entire operator; replicate that and match_dup the operands.
6457 (cmp_ccx_arith_op_set): Likewise.
6458 (cmp_cc_arith_op_not_set): Likewise.
6459 (cmp_ccx_arith_op_not_set): Likewise.
6461 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6463 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6465 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6467 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6468 (TARGET_NO_BITFIELD_WORD): New macro.
6469 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6470 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6472 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6474 * cselib.c: New file, from simplify-rtx.c.
6475 * simplify-rtx.c: Remove cselib parts.
6476 * Makefile.in: Add cselib.o.
6478 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6480 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6481 (setup_incoming_varargs): Remove warning.
6483 * config/rs6000/rs6000.c (validate_condition_mode): When
6484 flag_fast_math, allow floating-point conditionals to be reversed.
6485 (rs6000_generate_compare): When flag_fast_math, don't generate
6486 cror operations for FP conditionals.
6488 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6490 (ASM_SPEC): Likewise.
6491 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6492 (CC1_SPEC): Likewise.
6493 (LINK_TARGET_SPEC): Likewise.
6494 (CPP_ENDIAN_SPEC): Likewise.
6495 * Makefile.in (check-consistency): New target.
6497 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6499 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6500 "return type defaults" warning for functions with return type
6502 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6503 function declarations by default rather than only when pedantic.
6505 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6507 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6510 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6512 * extend.texi (Deprecated): Deprecate new initializer lists.
6514 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6516 * mkdeps.c (deps_add_default_target): Robustify. Add
6517 basename component only.
6518 * cpp.texi (-M): Describe how default target is generated.
6519 * invoke.texi (-M): Likewise.
6521 2001-02-12 Kazu Hirata <kazu@hxi.com>
6523 * toplev.c (push_float_handler): Remove.
6524 (pop_float_handler): Remove.
6525 * toplev.h: Remove prototypes for the above functions.
6527 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6529 * c-common.c (constant_fits_type_p): New function.
6530 (convert_and_check): Use it.
6532 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6534 * Makefile.in (GXX_ABI_FLAG): Don't define.
6535 * configure.in (--enable-new-gxx-abi): Remove option.
6536 * config.in: Regenerated.
6537 * configure: Likewise.
6539 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6541 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6543 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6544 regular basic block, and arrange for all edges into it to switch
6547 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6549 * Makefile.in (distclean): Do not remove .gdbinit.
6551 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6553 * Makefile.in (gcc.o): Fix typos.
6554 (protize.o): Likewise.
6555 (unprotoize.o): Likewise.
6557 2001-02-11 Richard Henderson <rth@redhat.com>
6559 * tree.c (build1): Check for null operand in last change.
6561 2001-02-11 Richard Henderson <rth@redhat.com>
6563 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6564 (fold): Don't assume a constant isn't foldable.
6565 * tree.c (build): Set TREE_CONSTANT for an expression with no
6566 side-effects and constant operands.
6569 2001-02-10 Richard Henderson <rth@redhat.com>
6571 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6573 2001-02-10 Anthony Green <green@redhat.com>
6575 * cpp.texi (Standard Predefined): Add documentation for
6578 * c-common.c (combine_strings): Improve warning message.
6580 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6582 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6584 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6586 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6588 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6591 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6593 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6596 2001-02-09 Nick Clifton <nickc@redhat.com>
6598 * config/arm/arm.md: Change output contraint on post inc
6599 load/store multiple patterns to be a read/write contraint.
6601 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6603 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6604 .o files when using the -M options.
6606 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6607 David Edelsohn <edelsohn@gnu.org>
6609 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6610 handle DImode constants. Use one TOC entry for SImode and smaller
6611 constants, aligned properly.
6613 2001-02-08 Jason Merrill <jason@redhat.com>
6615 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6616 about the SP adjustment for saving the static chain pointer.
6617 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6618 offset when setting a temporary CFA register.
6620 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6622 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6623 powerpc-*-chorusos* .
6624 * config/rs6000/chorus.h : New file.
6625 * config/i386/chorus.h : New file.
6626 * config/sparc/chorus.h : New file.
6627 * config/sparc/t-chorus-elf : New file.
6629 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6631 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6632 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6633 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6634 (__WCHAR_TYPE__): Correct macro name.
6636 2001-02-08 Richard Henderson <rth@redhat.com>
6638 * config/i386/i386.c (ix86_frame_pointer_required): New.
6639 (ix86_setup_frame_addresses): New.
6640 (struct machine_funciton): Add accesses_prev_frame.
6641 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6642 ix86_frame_pointer_required.
6643 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6644 (SETUP_FRAME_ADDRESSES): New.
6645 * config/i386/i386-protos.h: Update.
6646 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6647 from FRAME_POINTER_REQUIRED.
6648 * config/i386/svr3gas.h: Likewise.
6649 * config/i386/sysv3.h: Likewise.
6650 * config/i386/v3gas.h: Likewise.
6652 2001-02-08 Richard Henderson <rth@redhat.com>
6654 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6655 calculation of the number of integer registers required.
6656 (function_arg_record_value): Likewise.
6658 2001-02-08 Jason Merrill <jason@redhat.com>
6660 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6661 two. Print file and line with "confused" message.
6663 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6665 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6667 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6669 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6671 * final.c (cleanup_subreg_operands): The address of a MEM can
6674 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6677 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6679 * gcc.texi (Incompatibilities): Update documentation of
6680 preprocessing numbers.
6682 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6684 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6686 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6688 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6690 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6691 * gcc.c (struct compiler): Add cpp_spec field.
6692 (input_file_compiler): New variable.
6693 (do_spec_1): Allow a particular compiler to handle `%C'
6695 (main): Store the current compiler in input_file_compiler.
6696 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6698 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6700 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6701 * cppinit.c (cpp_create_reader): Initialize them.
6702 (append_include_chain): cxx_aware arg might be unused.
6703 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6704 keywords and give them their phase 7 meaning. Pedwarn about
6705 this unless '__bool_true_false_are_defined' is defined.
6707 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6709 * lcm.c (optimize_mode_switching): Emit mode_set before the
6710 JUMP_INSN of an abnormal edge.
6712 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6714 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6715 a scheduling barrier at the end.
6717 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6719 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6721 * config/sh/sh.md (reload_outsf): Removed.
6722 (movsf_ie): Introduce constraints for FPUL loads and stores.
6723 (reload_insf): Broaden the output constraint.
6725 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6727 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6728 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6730 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6732 * final.c: Revert my previous changes.
6733 * output.h: Make profile_label_no extern.
6734 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6735 for generating label.
6737 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6739 * config/i386/djgpp.h: Add comments about standard paths.
6740 (MD_EXEC_PREFIX): Undefine before defining.
6741 (MD_STARTFILE_PREFIX): New.
6743 2001-01-30 Bruce Korb <bkorb@gnu.org>
6745 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6746 (load_file): do not rely on load_file_data() to close file pointer
6747 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6748 fixinc/inclhack.def(irix_limits_const): add test_text
6750 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6752 * cppexp.c (parse_defined): Improve diagnostics for invalid
6755 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6757 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6759 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6761 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6762 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6763 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6764 (rs6000_output_symbol_ref): New function.
6765 (output_toc): Use VTABLE_NAME_P.
6767 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6769 * print-tree.c (print_node, case PARM_DECL):
6770 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6772 * stor-layout.c (reference_types_internal): New variable.
6773 (internal_reference_types): New function.
6774 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6775 * tree.h (internal_reference_types): New declaration.
6777 * cse.c (find_best_addr): Fix typo in computing cost.
6779 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6781 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6782 and this is the sum of a pointer and a constant, we know the result
6784 (num_sign_bit_copies, case PLUS): Likewise.
6785 * explow.c (convert_memory_address): Remove opposite SUBREG.
6786 * function.c (instantiate_new_reg): New function (from common code).
6787 (instantiate_virtual_regs_1): Call it.
6788 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6789 if pointers sign- or zero-extend.
6790 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6791 If pointers extend unsigned, use inside of SUBREG.
6792 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6794 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6796 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6797 subdir of gcc_gxx_include_dir.
6798 (gcc_gxx_target_include_dir): Remove.
6800 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6802 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6803 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6804 a high-level description.
6806 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6808 * final.c: Move the declaration of profile_label_no to ...
6809 * output.h: ... here.
6810 * function.c (expand_function_start): Call PROFILE_HOOK.
6811 * config/rs6000/aix.h: Define PROFILE_HOOK.
6812 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6813 * config/rs6000/rs6000.c (output_profile_hook): Define.
6814 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6815 output_profile_hook.
6816 tm.texi : Explain new macro PROFILE_HOOK.
6818 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6820 * extend.texi (Extended Asm): Do not say that semicolon is always
6821 a valid line-breaking character for GNU assemblers. Use
6822 newline-tab as the most commonly supported syntax. Use
6823 newline-tab rather than semicolon in multi-insn examples.
6825 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6827 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6829 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6830 David Edelsohn <edelsohn@gnu.org>
6832 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6833 code for AIX, even without flag_pic.
6835 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6837 * c-typeck.c (common_type): push and pop binding level around
6838 calling common_type on function parameters.
6840 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6842 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6844 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6846 * config/mips/mips.c (override_options): Fix typo in last change.
6847 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6848 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6850 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6852 * invoke.texi (-fdump-class-layout): Document.
6853 (-fdump-translation-unit): Use `=' as filename separator.
6855 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6857 * Makefile.in (s-mlib): Don't build multilibs if
6859 (DRIVER_DEFINES): Adjust accordingly.
6861 (protoize.o): Likewise.
6862 (unprotoize.o): Likewise.
6863 * configure.in: Recognize --enable-multilib.
6865 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6867 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6869 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6870 * configure.in: Remove --enable-libstdcxx_v3 support.
6871 * configure: Regenerated.
6873 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6875 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6876 Call abort instead of fatal.
6877 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6878 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6879 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6880 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6881 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6882 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6884 * diagnostic.h (set_internal_error_function): Renamed.
6885 * toplev.h (internal_error): Renamed from fatal.
6886 (pfatal_with_name): Deleted.
6887 (fatal_io_error): Now has printf-style arguments.
6888 * diagnostic.c (pfatal_with_name): Deleted.
6889 (fatal_io_error): Rework to have args in printf-style.
6890 (set_internal_error_function): Renamed from set_fatal_function.
6891 (internal_error): Renamed from fatal.
6892 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6893 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6894 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6895 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6896 * flow.c (verify_flow_info): Likewise.
6897 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6898 * config/mips/mips.c (save_restore_insns): Likewise.
6900 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6901 * flow.c (verify_flow_info): Likewise.
6902 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6903 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6904 (avr_normalize_condition): Likewise.
6905 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6906 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6907 (limit_reload_class, double_reg_to_memory): Likewise.
6908 (print_operand_address, emit_1600_code_shift): Likewise.
6909 (gen_tst_reg, gen_compare_reg): Likewise.
6910 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6911 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6913 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6915 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6916 * objc/objc-act.c (build_ivar_chain): Likewise.
6917 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6919 * graph.c (clean_graph_dump_file): Likewise.
6920 * profile.c (init_branch_prob): Likewise.
6921 * objc/objc-act.c (objc_init): Likewise.
6923 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6924 * config/avr/avr.c (avr_override_options): Likewise.
6925 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6926 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6927 * config/h8300/h8300.c (h8300_init_once): Likewise.
6928 * config/mips/mips.c (override_options): Likewise.
6929 * config/i386/i386.c (override_options): Likewise, rework.
6930 * config/m68k/m68k.c (override_options): Likewise.
6932 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6934 * config/mips/mips.c (print_operand): Likewise.
6935 * hash.c (hash_allocate): Don't check for failure returns from
6936 obstack functions that can't fail.
6937 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6938 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6939 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6940 (get_object_reference): Likewise.
6942 2001-02-04 Nick Clifton <nickc@redhat.com>
6944 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6945 StrongARM1110, 10TDMI, and 1020T.
6947 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6949 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6951 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6953 * config/sh/sh.md (movdf load split): Pass register number to
6954 FP_OR_XD_REGISTER_P.
6956 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6958 * cppinit.c (BC): New macro.
6959 (builtin_array): Add __GXX_WEAK__.
6960 * cpplib.h (builtin_type): Add BT_WEAK.
6961 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6962 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6963 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6965 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6967 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6969 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6971 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6972 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6974 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6976 * cpphash.h: Rename ALIGN _ALIGN.
6977 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6979 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6981 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6982 compilation environment.
6983 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6984 control over location of cygwin includes and libs.
6986 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6988 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6990 2001-02-02 lars brinkhoff <lars@nocrew.org>
6992 * md.texi (Standard Names): remove reference to spur.md.
6994 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6996 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6997 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6998 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6999 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7000 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7002 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7004 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7005 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7006 number before reload.
7007 (c4x_adjust_cost): Return zero before reload.
7008 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7009 split before reload.
7011 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7013 * c4x.c (c4x_hard_regno_rename_ok): New.
7014 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7015 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7017 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7019 * diagnostic.h: Add missing "extern" in all declarations.
7021 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7023 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7024 as for gcc_gxx_include_dir.
7026 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7028 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7030 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7032 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7033 label before alignment to be used as the braf base address.
7034 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7036 (casesi_jump_2): Require at least TARGET_SH2.
7038 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7039 truncation to 32-bit doubles on -m3e and -m4-single-only.
7041 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7043 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7044 the default when building a shared object.
7045 (init_spec): Use it.
7046 * testsuite/lib/g++.exp: Include the directory where libgcc
7047 is located to the LD_LIBRARY_PATH list.
7048 * invoke.texi (-shared-libgcc): Document the cases in which
7049 GCC defaults to using the shared libgcc.
7051 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7053 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7054 unsigned is wide enough.
7056 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7057 (si_to_float): Likewise.
7058 (float_to_si, float_to_usi): Use BITS_PER_SI.
7060 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7062 * dwarf2out.c: Added explanation of abbreviations.
7063 (def_cfa_1): Added comments listing DWARF2 instructions.
7064 (cfa_temp_reg): Removed in favor of cfa_temp.
7065 (cfa_temp_value): Removed in favor of cfa_temp.
7066 (cfa_temp): New global variable.
7067 (dwarf2out_frame_debug_expr): Added extensive introductory
7068 comments explaining the function's transformations. Revised to
7069 use cfa_temp. Added some rtx checking. Generalize IOR case.
7070 (dwarf2out_frame_debug): Revised to use cfa_temp.
7071 (output_aranges): Cast as "unsigned" to avoid warning.
7072 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7073 explain which instructions must be marked.
7075 2001-02-01 Richard Henderson <rth@redhat.com>
7077 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7080 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7082 * config/sh/crt1.asm (main_k): Modified so that start calls
7083 ___setup_argv_and_call_main.
7085 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7087 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7088 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7089 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7090 * cppmacro.c (builtin_macro): Set builtin flags here.
7091 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7092 (replace_args): Clarify intent.
7093 (cpp_get_token): Macro expansion tokens get the saved flags.
7095 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7098 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7100 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7103 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7105 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7106 returns Pmode pseudo, but we need ptr_mode.
7107 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7108 Remove bogus conversions; use HOST_WIDE_INT for size.
7109 Don't use TARGET if wrong mode.
7111 * config/i386/i386.c (ix86_compute_frame_size): Allow
7112 stack_alignment_needed to be non-default even if size is zero.
7114 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7116 * pa.c (hppa_init_pic_save): New function.
7117 * pa.h (hppa_init_pic_save): Declare.
7118 * pa.md (call, call_value, sibcall, sibcall_value): Use
7119 the above instead of duplicated code.
7121 * pa.c (hppa_encode_label): Correct size of alloca buffer
7122 so we don't overrun it. Correct leading `*' case.
7123 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7124 need to handle `*@'.
7125 (FUNCTION_NAME_P): Likewise.
7127 2001-01-31 Richard Henderson <rth@redhat.com>
7129 * config.gcc (alpha-osf5): Use float-i128.h.
7131 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7132 * config/float-i32.h: Likewise.
7133 * config/float-i64.h: Likewise.
7134 * config/float-sh.h: Likewise.
7135 * config/float-sparc.h: Likewise.
7137 2001-01-31 DJ Delorie <dj@redhat.com>
7139 * expmed.c (extract_bit_field): allow non-integral modes if we
7140 want to extract a whole register from itself.
7142 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7144 * c-typeck.c (set_init_index): If first is equal to last, assume as
7145 if it was not a range at all.
7147 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7149 * config/fp-bit.c: Include tm.h.
7150 (float_to_si): Don't assume SImode is 32-bits wide.
7151 (float_to_usi): Likewise.
7153 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7155 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7157 (typename): Call pending_xref_error after parsing typed_typespecs.
7158 * c-decl.c (lookup_tag): Give error immediately rather than
7159 leaving it pending if the tag of the wrong type is in the same
7161 (xref_tag): Don't pedwarn for forward declarations of enum types
7163 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7166 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7168 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7170 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7172 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7173 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7175 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7177 * cpphash.h (struct cpp_reader): New saved_flags.
7178 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7179 to avoid a paste after a pasted token.
7181 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7183 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7184 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7185 Wtype_MIN instead of LONG_MIN.
7187 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7189 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7191 * fixinc/fixincl.x: Regenerated.
7192 * fixinc/inclhack.def (irix_limits_const): New definition to
7193 convert "const" to "__const" in limits.h.
7195 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7197 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7199 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7201 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7202 when register dies in the insn.
7204 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7206 * diagnostic.c (fatal): Fix word wrap.
7208 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7210 * combine.c (try_combine): Fix SUBREG setting for
7211 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7213 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7215 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7218 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7220 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7222 * toplev.c (decode_W_option): Update warn_larger_than
7223 unconditionally for each processed switch.
7225 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7227 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7229 (hppa_expand_prologue): Delete code to save pic offset table register
7230 in the function prologue.
7231 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7232 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7233 table register at the beginning of the function after the prologue.
7235 2001-01-29 lars brinkhoff <lars@nocrew.org>
7237 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7239 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7240 Jeff Law <law@redhat.com>
7242 * pa.md (return): Revise comment for trivial return.
7243 (return_internal): Non-trivial return pattern for non-PIC code.
7244 (return_internal_pic): Non-trivial return pattern for PIC code.
7245 It uses the PIC register to ensure it is restored after
7247 (epilogue): Generate appropriate return for PIC and non-PIC code.
7249 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7251 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7253 2001-01-29 DJ Delorie <dj@redhat.com>
7255 * combine.c (if_then_else_cond): Pass the correct mode to
7256 operand_subword() for constants.
7258 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7260 * config/i386/cygwin.h: Add w32api to include search. Search different
7261 directories in a cross-build environment.
7263 2001-11-29 Tim Josling <tej@melbpc.org.au>
7265 * tree.h (TYPE_STUB_DECL): Add documentation.
7267 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7269 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7270 (sdbout_field_types): Likwise. Fix use of host_integerp.
7272 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7274 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7277 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7279 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7280 to use flag_gnu_linker.
7282 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7284 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7285 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7287 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7289 * tree.c, tree.h (build_parse_node): Remove; was identical to
7291 * c-lang.c (start_cdtor), objc/objc-act.c
7292 (build_module_descriptor): Use build_nt instead of
7295 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7297 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7298 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7299 not have any upper bits set.
7301 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7303 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7305 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7307 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7309 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7311 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7312 (integer_minus_one_node): Define.
7314 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7316 * Makefile.in (bootstrap2-lean): Fix typo.
7318 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7320 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7321 : Don't set fe_value.
7322 * cpplib.h (AVOID_LPASTE): New flag.
7323 (struct cpp_hashnode): Remove fe_value.
7324 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7325 * cppmacro.c (builtin_macro): Don't set flags here.
7326 (replace_args): Set AVOID_LPASTE flag on first token of an
7327 argument, and the token following it.
7328 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7329 macro expansion, and on the token following it. Do it for
7331 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7333 2001-01-27 Richard Henderson <rth@redhat.com>
7335 * config/alpha/t-ieee: Remove multilibbing.
7336 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7338 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7340 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7342 * Makefile.in: Remove all dependencies on defaults.h.
7343 * builtins.c: Don't include defaults.h.
7344 * c-common.c: Likewise.
7345 * c-decl.c: Likewise.
7346 * c-pragma.c: Likewise.
7347 * c-typeck.c: Likewise.
7348 * combine.c: Likewise.
7350 * frame-ia64.c: Likewise.
7351 * cppexp.c: Likewise.
7352 * crtstuff.c: Likewise.
7353 * dbxout.c: Likewise.
7354 * dwarf2out.c: Likewise.
7355 * dwarfout.c: Likewise.
7356 * emit-rtl.c: Likewise.
7357 * except.c: Likewise.
7359 * final.c: Likewise.
7360 * frame-dwarf2.c: Likewise.
7361 * libgcc2.c: Likewise.
7362 * optabs.c: Likewise.
7363 * profile.c: Likewise.
7364 * sdbout.c: Likewise.
7365 * toplev.c: Likewise.
7366 * tradcif.y: Likewise.
7368 * varasm.c: Likewise.
7370 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7372 * builtins.c (expand_builtin_fputs): Use size_one_node when
7373 transforming into fwrite.
7375 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7377 * extend.texi (Attribute Syntax): New section.
7379 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7381 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7382 they didn't need fixing.
7384 2001-01-27 Janis Johnson <janis@us.ibm.com>
7386 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7388 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7389 to remove macro definitions that are duplicated from elfos.h.
7391 2001-01-27 Richard Henderson <rth@redhat.com>
7393 * config/i386/sco5gas.h: Move ...
7394 * config/usegas.h: ... here.
7395 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7397 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7399 * c-typeck.c (struct constructor_stack): Add range_stack member.
7400 (really_start_incremental_init): Clear it.
7401 (push_init_level): Save constructor_range_stack and clear it if
7402 pushing explicit braces.
7403 (pop_init_level): abort if constructor_range_stack is non-zero at
7404 explicit closing brace. Restore saved constructor_range_stack if
7407 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7409 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7410 into register was forced into memory.
7412 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7414 * Makefile.in: Remove uses of + before $(MAKE).
7416 2001-01-26 Richard Henderson <rth@redhat.com>
7418 * stmt.c (cost_table): Remove.
7419 (COST_TABLE, cost_table_initialized): New.
7420 (estimate_case_costs): Use the later instead of the former.
7421 (balance_case_nodes): Likewise.
7423 2001-01-26 Richard Henderson <rth@redhat.com>
7425 * alias.c (objects_must_conflict_p): Read-only slots may not
7426 conflict despite having the same type.
7428 2001-01-27 Michael Hayes <mhayes@redhat.com>
7430 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7432 (check_ext_dependant_givs): Initialise u_start_val and
7434 (load_mems): Make last_max_reg unsigned.
7435 (try_swap_copy_prop): Use INSN_P and initialise set.
7437 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7439 * README.AVR : Removed.
7441 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7443 * pa-64.h (text_section): Remove declaration.
7445 * pa.md (return_internal): Remove mode on PIC register use.
7447 2001-01-25 lars brinkhoff <lars@nocrew.org>
7449 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7450 ASM_CLOSE_PAREN): fix typos.
7452 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7454 * acconfig.h: Define `const' to the empty string if neither
7455 __STDC__ nor __cplusplus is defined.
7456 * config.in: Regenerated.
7458 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7460 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7461 * collect2.c (main): Delete importf. Add ".obj" file extension.
7462 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7463 (aix_std_libs): Add additional AIX libraries to skip.
7464 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7465 * config/rs6000/aix51.h: New file.
7467 2001-01-25 Michael Hayes <mhayes@redhat.com>
7469 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7470 (loop_insn_emit_before): No longer static.
7471 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7472 (loop_givs_rescan, load_mems): Likewise.
7473 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7474 (maybe_eliminate_biv_1):
7475 (move_movables): Replace emit_call_insn_before with
7476 loop_call_insn_hoist.
7477 * loop.h (loop_insn_emit_before): Add.
7478 * unroll.c (copy_loop_body): Replace emit_insn_before with
7479 loop_insn_emit_before.
7481 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7483 * diagnostic.c (fatal): Request preprocessed source.
7485 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7487 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7488 olddecl has argument types and newdecl has none, use the argument
7491 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7493 * dwarf2out.c (prefix_of): New function. Determine longest common
7494 prefix of the two arguments. The units are whole path components.
7495 (output_file_names): When adding a new directory find the one entry
7496 with the longest common prefix already in the list. Artificially
7497 generate entry if there is none for this prefix.
7498 Fix test to check whether the zeroth directory entry is used.
7500 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7502 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7503 Changed all callers. Take it into account when deciding if a
7504 previously loaded value matches.
7506 2001-01-24 Richard Henderson <rth@redhat.com>
7508 * reload.c (find_reloads_subreg_address): Fail the substitution
7509 if the resulting address is insufficiently aligned.
7511 2001-01-24 DJ Delorie <dj@redhat.com>
7513 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7514 check the original operand's mode also.
7515 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7517 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7519 * c-parse.in (cast_expr): Move compound literals from here ...
7520 (primary): ... to here. Use standard terminology "compound
7521 literal" instead of "constructor expression".
7523 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7525 * gcc.1, cpp.1: Regenerate.
7527 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7529 * calls.c (emit_library_call_value_1): Memory slot for
7530 pass-by-reference argument should have the mode of the argument,
7531 not of the pointer to it.
7533 2001-01-24 Tom Tromey <tromey@redhat.com>
7535 * gcc.texi (G++ and GCC): Mention gcj manual.
7536 (Standards): Link to section of manual mentioning gcj/Java
7539 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7541 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7542 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7543 * tradcpp.c (main): Add -imacros or -include'd dependencies
7545 * cpp.texi (-M, -MM): Document -M -include behaviour.
7547 2001-01-24 Roger Collins <roger@ProProject.com>
7549 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7551 2001-01-24 Will Cohen <wcohen@redhat.com>
7553 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7554 whether registers are 32 bits or 64 bits in size.
7556 2001-01-24 Ben Elliston <bje@redhat.com>
7558 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7560 2001-01-24 Richard Henderson <rth@redhat.com>
7562 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7563 (builtin_longjmp): Use it instead of emit_indirect_jump.
7565 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7567 * bb-reorder.c (make_reorder_chain_1): Handle case where
7568 jump edge goes to the same block as the fallthru edge.
7570 2001-01-23 Jim Wilson <wilson@redhat.com>
7572 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7573 * frame.h (__ia64_personality_v1): Add prototype.
7574 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7575 prototype form. Add void * cast to first argument to personality
7577 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7578 (asctoe113): Likewise.
7579 * config/ia64/frame-ia64.c: Include eh-common.h.
7580 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7582 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7584 (itanium_split_issue): Add prototype.
7585 (gen_nop_type): Ifdef out.
7586 (find_best_packet): Initialize best_packet.
7587 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7589 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7590 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7591 (flushrs): Add explicit stop bit at end.
7592 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7595 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7597 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7599 * libgcc2.c (__terminate_func): Make variable static.
7600 (__terminate_set_func): New function to set __terminate_func.
7601 * libgcc2.h (__terminate_func_ptr): New typedef.
7602 (__terminate_set_func): New function.
7604 2001-01-23 Richard Henderson <rth@redhat.com>
7606 * flow.c (init_propagate_block_info): Don't consider unchanging
7607 memories for dead frame store elimination.
7609 2001-01-23 Richard Henderson <rth@redhat.com>
7611 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7612 * defaults.h: ... here.
7614 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7616 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7618 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7620 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7622 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7624 * rs6000.h (rs6000_return_addr): Move prototype from here...
7625 * rs6000-protos.h (rs6000_return_addr): ...to here.
7626 (rs6000_init_expanders): Delete prototype.
7628 2001-01-23 Nick Clifton <nickc@redhat.com>
7630 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7631 (Spec Files): Document %B and %j and %. and %v3 and %M and
7632 %{S*&T} spec switches.
7634 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7636 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7638 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7639 Neil Booth <neil@daikokuya.demon.co.uk>
7641 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7642 Have -Werror make pedantic warnings errors, like the
7645 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7647 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7649 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7651 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7652 * integrate.c (expand_inline_function): Initialize them.
7653 (subst_constants): If changing COMPARE so that both its arguments
7654 will be VOIDmode and the comparison mode will be lost, note
7655 compare_mode. Use the recorded compare_mode to optimize
7658 2001-01-23 Jason Merrill <jason@redhat.com>
7660 * dwarf2out.c (new_die): Use xcalloc.
7661 (output_die): Abort rather than emit a local reference to offset 0.
7663 2001-01-17 Andrew Haley <aph@redhat.com>
7665 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7666 of a saved register; return NULL instead.
7667 (copy_reg): Take a pointer to a source register rather than a
7669 (next_stack_level): Remember the address in the stack frame of all
7671 Use the saved register pointer array as the source of the CFA.
7672 (throw_helper): Rewrite. Unwind once rather than twice and keep
7673 track of saved registers as we go.
7675 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7677 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7678 * c4x.c (c4x_legitimize_reload_address): Remove.
7679 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7680 reload address for ldp(k) insn.
7682 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7684 * pa.md (return_internal): Add a USE of the PIC register to ensure
7685 it is restored after each call.
7686 (return expander): Corresponding changes.
7688 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7690 * rs6000.h (INIT_EXPANDERS): Delete.
7691 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7692 * rs6000.c (rs6000_override_options): Call *_machine_status from
7694 (rs6000_init_expanders): ...instead of here. Delete.
7695 (rs6000_mark_machine_status): New function.
7696 (rs6000_init_machine_status): Use xcalloc.
7697 (rs6000_return_addr): Generate RTX for the return address.
7698 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7699 (rs6000_stack_info): Use it.
7701 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7703 * gthr-win32.h: Include errno.h to get a declaration for
7704 EINVAL and _mingw.h if the target is mingw32.
7706 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7708 * cpp.texi: Correct typos.
7710 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7712 * explow.c (probe_stack_range): Ensure value passed to
7713 stack_check_libfunc is ptr_mode, not Pmode.
7715 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7717 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7718 case, don't use operand_subword to calculate a SUBREG that is
7721 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7723 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7725 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7726 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7727 valid. If not replace it by equivalent insns.
7729 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7731 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7732 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7733 (c4x_U_constraint, symbolic_address_operand): Likewise.
7734 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7736 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7737 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7738 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7739 anulling slot because of silicon bug.
7740 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7742 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7744 * cppexp.c (parse_charconst): Change `mask' type to agree
7747 2001-01-21 Richard Henderson <rth@redhat.com>
7749 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7750 pic_label_name in a linkonce section.
7752 2001-01-17 Philipp Thomas <pthomas@suse.de>
7754 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7756 * configure: Regenerate.
7758 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7760 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7761 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7763 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7765 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7766 If REVERSE nonzero then condition code in X must be reversed.
7767 (encode_section_info): Optimise if/else.
7768 (avr_function_value): Fix formatting.
7770 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7771 (difficult_branch): Likewise.
7772 (rvbranch): Likewise.
7773 (difficult_rvbranch): Likewise.
7775 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7777 * config/avr/libgcc.S: Fix comment.
7779 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7781 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7783 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7785 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7787 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7789 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7790 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7791 * configure, config.in: Regenerate.
7792 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7793 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7794 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7795 (doprint.o): New rule.
7797 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7799 * c-typeck.c (digest_init): Handle boolean types as scalars.
7801 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7803 * stmt.c (expand_return): Don't return anything if size is zero.
7804 Delete redundant assignment to BYTES.
7805 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7807 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7809 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7810 the same as the default library function names.
7811 * config/avr/avr.md: Document special characters after '%'.
7812 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7813 knowing which of the call-used registers are really clobbered.
7814 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7815 New. Both quotient and remainder from one libgcc.S call.
7816 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7817 clobber as few registers as possible.
7818 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7820 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7822 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7823 context of the top of the stack.
7825 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7827 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7828 (fixup_var_refs_insns): ...here.
7830 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7832 * function.c (fixup_var_refs_insns): Break up into
7833 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7834 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7835 [loop over hash table entries].
7836 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7837 fixup_var_refs_insns_with_hash, to match above changes.
7839 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7841 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7842 (libgcc.a): Likewise.
7843 (stmp-multilib): Likewise.
7844 (STAGE2_FLAGS_TO_PASS): Likewise.
7846 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7848 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7849 temporary if no_new_pseudos.
7851 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7853 * cppinternals.texi: Update.
7855 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7857 * arm.c (arm_init_builtins): Re-enable builtins.
7859 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7861 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7862 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7863 element to be null, and always expect an EXPR_LIST.
7864 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7865 * sched-deps.c (sched_analyze_1): Likewise.
7866 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7868 * regclass.c (max_set_parallel): New variable.
7869 (reg_scan): Take it into account in computation of max_parallel.
7870 (reg_scan_mark_refs, case SET): Compute it.
7872 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7874 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7875 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7877 2001-01-19 Jason Merrill <jason@redhat.com>
7879 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7880 for the abstract instance of an inline function.
7882 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7883 J"orn Rennecke <amylaar@redhat.com>
7885 * reload1.c (move2add_note_store): Treat all registers directly or
7886 indirectly derived from a base register as members of the same set
7888 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7889 of base register into account.
7891 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7893 * alias.c (find_base_value): Recognize TRUNCATE.
7894 (record_set): In PLUS case, invalidate if other summand is also a
7897 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7899 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7900 entry to be EXPR_LIST.
7901 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7902 be an EXPR_LIST (but not null, which other code doesn't allow).
7903 (note_stores): Properly handle PARALLEL in SET.
7904 Recursively call for top-level PARALLEL.
7905 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7906 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7908 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7910 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7912 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7913 not pfile->skipping (== 0).
7915 2001-01-17 Nick Clifton <nickc@redhat.com>
7917 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7920 2001-01-17 Jim Wilson <wilson@redhat.com>
7922 * invoke.texi (IA-64 options): Improve.
7924 2001-01-17 Tom Tromey <tromey@redhat.com>
7926 * invoke.texi (Optimize Options): Use `{}' to around @samp
7929 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7931 * invoke.texi (-fno-guess-branch-probability): New option.
7933 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7935 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7936 case of making new double-word constant.
7937 Revert last change: instead just test i3_subst_into_i2.
7939 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7941 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7942 Use q constraints instead of r.
7944 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7946 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7947 (machine_function): Define.
7948 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7949 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7950 pa_free_machine_status): New functions.
7951 (override_options): Set {init,mark,free}_machine_status to above.
7952 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7953 PIC_OFFSET_TABLE_REGNUM_SAVED.
7954 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7955 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7956 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7957 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7958 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7960 2001-01-15 DJ Delorie <dj@redhat.com>
7962 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7966 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7968 * flow.c (propagate_on_insn): Make trying to delete a prologue
7969 or epilogue insn an ICE, not a warning. Allow doing this if
7970 the current function returns with stack pointer depressed.
7972 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7973 I3 having more than one SET.
7975 2001-01-16 Jim Wilson <wilson@redhat.com>
7977 * invoke.texi: Document IA-64 options.
7979 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7980 (fixup_errata): Delete TARGET_A_STEP use.
7981 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7982 (TARGET_SWITCHES): Delete -ma-step option.
7983 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7984 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7985 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7986 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7987 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7988 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7990 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7991 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7992 cmovsi_internal): Delete ! TARGET_A_STEP check.
7994 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7996 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7997 possibility to report bugs via postal mail. Change a URL and
7998 merge in a nearly duplicate statement...
7999 (Bug Reporting): ...from here.
8000 (Service): Refer to the Bug Reporting section instead of
8002 (Contributing): Remove trivial explanations concerning snapshots.
8004 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8006 * cppmain.c (general_init): Don't use ANSI prototype.
8008 2001-01-16 Tom Tromey <tromey@redhat.com>
8010 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8012 2001-01-16 Richard Henderson <rth@redhat.com>
8014 * config/i386/i386.h: Fix comment typo.
8015 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8016 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8018 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8020 * gcc.c: Revert previous -fsyntax-only-related change; move
8023 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8025 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8026 inmode after checking GET_CODE (op).
8028 2001-01-16 Richard Henderson <rth@redhat.com>
8030 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8031 (MAX_MEM_SET_LIST_LEN): New.
8032 (propagate_one_insn): Update mem_set_list_len.
8033 (invalidate_mems_from_autoinc): Likewise.
8034 (invalidate_mems_from_set): Likewise.
8035 (mark_used_regs): Likewise.
8036 (init_propagate_block_info): Likewise. Stop collecting memories
8037 when we reach MAX_MEM_SET_LIST_LEN.
8038 (mark_set_1): Likewise.
8040 2001-01-16 Richard Henderson <rth@redhat.com>
8042 * unroll.c (precondition_loop_p): Fail if no iteration
8045 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8047 * gcc.c: When -fsyntax-only is given, do not complain about
8050 2001-01-15 Richard Henderson <rth@redhat.com>
8052 * config/i386/i386.c (asm_output_function_prefix): Remove.
8053 (ix86_asm_file_end): New.
8054 (load_pic_register): Generate pic_label_name into a
8055 staticly allocated buffer.
8056 * config/i386/i386-protos.h: Update.
8057 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8058 (ASM_FILE_END): New.
8059 * config/i386/i386afe.h: New file.
8060 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8061 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8062 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8063 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8064 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8065 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8066 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8068 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8070 * Makefile.in (install-man): Remove explicit dependency on
8073 * configure.in, configure: Revert previous patch requiring perl
8076 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8078 * toplev.c (flag_guess_branch_prob): New.
8079 (f_options): Add guess-branch-probability option.
8080 (rest_of_decl_compilation): Only estimate branch probability if
8082 (main): set flag_guess_branch_prob.
8084 * flags.h (flag_guess_branch_prob): New.
8086 2001-01-15 DJ Delorie <dj@redhat.com>
8088 * gcc.texi (Makefile): Add documentation for Makefile targets.
8090 2001-01-15 Philip Blundell <philb@gnu.org>
8092 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8094 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8095 (is_pic): Delete declaration.
8096 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8097 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8098 * config/arm/arm.md (builtin_setjmp_receiver): New.
8100 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8102 * arm.c (use_return_insn): Don't try to determine the function type
8103 until after reload has completed.
8104 (arm_output_epilogue): Don't adjust the sp value recovered from the
8106 (emit_multi_reg_push): Don't record dwarf information for the pc.
8107 * arm.md (eh_epilogue): The function type may have changed, so it
8108 needs to be recalculated.
8109 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8110 unwind tables on arm/netbsd.
8112 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8114 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8115 (negated_cbranchsi4): Likewise.
8117 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8119 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8120 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8121 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8122 pass -mapcs-* options to assembler.
8123 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8124 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8125 (ASM_SPEC): Call subtarget_extra_asm_spec.
8127 2001-01-15 Andreas Jaeger <aj@suse.de>
8129 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8131 (ix86_expand_builtin): Likewise.
8133 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8134 warning about comparison between signed and unsigned.
8136 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8138 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8140 2001-01-14 Ralf Baechle <ralf@gnu.org>
8142 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8143 SUBTARGET_CPP_SPEC apropriatly.
8145 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8147 * varasm.c (make_decl_rtl): Fix typo in last change.
8149 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8151 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8152 linker supports the init_priority C++ attribute.
8153 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8154 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8155 linker does not support init_priority C++ attribute.
8157 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8159 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8161 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8163 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8164 * cp/lex.c (finish_parse): Similarly.
8165 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8166 Return the number of errors encountered.
8167 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8168 * cppmain.c (main): Don't call cpp_destroy.
8170 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8172 * configure.in: Require at least perl 5.6.0 to regenerate
8174 * configure: Regenerate.
8176 2001-01-14 Richard Henderson <rth@redhat.com>
8178 * genrecog.c (DT_veclen_ge): New.
8179 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8180 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8181 (nodes_identical_1): Handle DT_veclen_ge.
8182 (write_cond, debug_decision_2): Likewise.
8184 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8186 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8188 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8190 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8192 * cppmain.c (do_preprocessing): New function; most of the old
8194 (main): Call it to do most of the work.
8195 (cb): Move from global scope to set_callbacks ().
8196 (setup_callbacks): Get the callback pointer.
8197 (general_init, printer_init): Clean up code and comments.
8199 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8201 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8204 2001-01-14 Kazu Hirata <kazu@hxi.com>
8206 * config/h8300/h8300.c (get_shift_alg): Update comments.
8208 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8210 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8211 (alloc_page, ggc_alloc): Add casts to remove warnings.
8213 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8215 * combine.c (simplify_comparison): Don't change `code' when
8216 can't reverse comparison.
8218 2001-01-14 Richard Henderson <rth@redhat.com>
8220 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8221 update all call sites. Return true for all non-label constants.
8223 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8225 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8227 (ix86_expand_branch): Update.
8228 (ix86_expand_setcc): Update to handle multiple test conditions.
8229 (expand_int_movcc): Likewise.
8230 (expand_fp_movcc): Likewise.
8231 * i386-protos.h (ix86_expand_compare): New.
8232 * i386.md (andqi_?_slp, orqi_?_slp): New.
8233 (conditional trap expander): Update call to ix86_expand_compare.
8235 2001-01-14 Richard Henderson <rth@redhat.com>
8237 * config/vax/vax.md: Use nonimmediate_operand instead of
8238 general_operand in destinations.
8240 * config/vax/vax.md (indirect_jump): Use register_operand.
8242 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8243 * config/vax/vax.md (call_pop): Turn into an expander.
8244 (call_value_pop): Likewise.
8245 (call, call_value): New.
8247 2001-01-14 Andreas Jaeger <aj@suse.de>
8249 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8251 (ix86_fp_compare_mode): Add unused attribute.
8252 (ix86_expand_fp_movcc): Remove unused variable.
8253 (ix86_expand_builtin): Make fcode unsigned.
8255 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8256 (expand_expr): Add cast to avoid signed warning.
8257 (store_field): Likewise.
8258 (store_constructor_field): Likewise.
8259 (store_constructor): Likewise.
8260 (store_expr): Likewise.
8261 (clear_storage): Likewise.
8262 (emit_group_store): Likewise.
8263 (emit_group_load): Likewise.
8265 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8267 * c-common.c: Move format checking code to ...
8268 * c-format.c: ... here. New file. Reorder some functions and
8270 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8272 * c-common.h (decl_handle_format_attribute,
8273 decl_handle_format_arg_attribute): Declare.
8274 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8275 (c-common.o): Adjust dependencies.
8276 (c-format.o): New list of dependencies.
8278 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8280 * unroll.c (loop_iterations): If we cannot prove iteration variable
8281 is set once in each iteration, punt.
8283 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8285 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8286 (*strlenhi): Remove clobber (which was buggy) of output address.
8288 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8290 * Makefile.in (generated-manpages): Add gcc.1
8291 ($(srcdir)/gcc.1): New target.
8292 (maintainer-clean): Delete $(srcdir)/gcc.1.
8293 * gcc.texi: Add macros @gccoptlist and @gol.
8294 * invoke.texi: Include option summary in manpage. Mark up option
8295 summary with @gccoptlist and @gol. Use @r in one place where
8297 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8298 * gcc.1: Generate from invoke.texi.
8300 2001-01-13 Richard Henderson <rth@redhat.com>
8302 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8303 (struct page_entry): Add group member.
8304 (struct page_group): New.
8305 (struct globals): Add page_groups member.
8306 (alloc_anon): Only define for using mmap; remove valloc call.
8307 (page_group_index): New.
8308 (set_page_group_in_use): New.
8309 (clear_page_group_in_use): New.
8310 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8311 (free_page, release_pages): Likewise.
8312 * configure.in (with-gc): Default to ggc-page always.
8314 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8316 * reload1.c (replace_pseudos_in_call_usage): Use
8317 reg_equiv_constant and reg_equiv_address, and don't try
8318 regno_reg_rtx first.
8320 2001-01-13 Richard Henderson <rth@redhat.com>
8322 * ggc-page.c (alloc_page): Round up allocation size to one page.
8323 Set e->order on extra pages.
8325 2001-01-13 Richard Henderson <rth@redhat.com>
8327 * genrecog.c (nodes_identical): Expand commentary.
8328 (write_switch): Watch out for identical nodes.
8330 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8332 * cppfiles.c (_cpp_fake_include): New function.
8333 * cpphash.h (_cpp_fake_include): New.
8334 * cpplib.c (do_line): Call _cpp_fake_include when entering
8335 header files in preprocessed input.
8336 * cppmain.c (cb_pragma_implementation): Remove handling.
8337 (setup_callbacks): Don't register pragmas.
8339 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8341 * extend.texi: Udate for CPP.
8343 2001-01-13 Andreas Jaeger <aj@suse.de>
8345 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8347 * regmove.c: Add prototype for replace_in_call_usage.
8349 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8351 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8352 struct cpp_chunk, struct htab, struct toklist,
8353 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8354 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8355 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8356 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8357 (struct macro_args): Delete.
8358 * cpphash.h: See above.
8360 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8362 * cppmain.c (struct printer): Remove no_line_dirs.
8364 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8365 : Use options rather than CPP_OPTION.
8366 (setup_callbacks): Use cb rather than pfile->cb.
8367 (main): No need to check for a buffer. Use cpp_errors.
8368 (printer_init): Don't set no_line_dirs.
8369 (maybe_print_line): Use options not no_line_dirs.
8370 (cb_file_change): Don't call print_line if -P.
8372 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8374 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8376 * c-parse.in (finish_parse): Use cpp_errors.
8377 (__yylex): Use return value of cpp_pop_buffer.
8378 * cp/lex.c (finish_parse): Use cpp_errors.
8379 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8381 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8383 * README.AVR: URLs corrected.
8385 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8387 * c-decl.c (start_function): Don't warn if old prototype is builtin
8388 that's not in C's namespace.
8389 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8390 (_bb): Add prototype for ctime.
8391 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8393 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8395 * i386.c (ix86_fp_comparison_arithmetics_cost,
8396 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8397 ix86_fp_comparison_cost): New functions.
8398 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8399 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8400 two-branch sequences; make static.
8401 (ix86_use_fcomi_compare): Do decision according to the costs.
8402 (split_fp_branch): New.
8403 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8404 * i386-protos.h (ix86_expand_fp_compare): Remove
8405 (ix86_split_fp_branch): Declare.
8407 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8408 and ix86_comparison_operator.
8410 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8413 * i386.c (put_condition_code): Output properly the unordered/ordered
8414 compares in fp case.
8415 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8417 * tm.texi (REVERSE_CONDITION): Document.
8418 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8419 in -ffast-math mode.
8420 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8422 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8424 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8426 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8429 * config/sh/sh.c (mova_p): Fix test for mova_const.
8431 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8433 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8434 cpp_get_options rather than dereferencing pfile and using
8436 * scan-decls.c (scan_decls): Use return value of
8437 cpp_pop_buffer rather than CPP_BUFFER.
8439 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8441 * cppinit.c (cpp_handle_option): help_only is now part of the
8442 cpp_options structure.
8443 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8444 cpp_set_callbacks): New functions.
8445 * cpplib.h (cpp_callbacks): Break out as a named structure.
8446 (cpp_options): Move help_only here from cpp_reader.
8447 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8448 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8449 cpp_set_callbacks): New prototypes.
8450 * cppmain.c (main): Update for help_only.
8452 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8454 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8455 Also build and remove and install and uninstall c-tree.info and
8457 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8458 ($(srcdir)/cppinternals.info): New target.
8459 * c-tree.texi: Change file name used when makeinfo used without -o
8460 from ir.info to c-tree.info. Add info directory entry.
8461 * cppinternals.texi: Add info directory entry.
8462 * .cvsignore: Update.
8464 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8466 * c-typeck.c (store_init_value): Don't require constant initializer
8467 elements with -pedantic -std=c99.
8468 (digest_init): Change error about non-constant initializer elements
8470 (constructor_range_end): Remove.
8471 (constructor_incremental, designator_depth,
8472 designator_errorneous): New variables.
8473 (struct constructor_stack): Remove range_end, add incremental.
8474 (struct constructor_range_stack, constructor_range_stack): New.
8475 (struct initializer_stack): Add constructor_range_stack.
8476 (finish_init): Set it.
8477 (start_init): Likewise. require_constant_elements for non-static
8478 trees only if not flag_isoc99.
8479 (really_start_incremental_init): Remove constructor_range_end, add
8480 constructor_incremental.
8481 (pop_init_level): Likewise.
8482 (push_init_level): Likewise. If implicit and the subobject had some
8483 value set already, preinitialize the level with it.
8484 Warn about missing braces only if not pushing due to designators.
8485 (set_designator, push_range_stack): New functions.
8486 (set_init_label): Use them.
8487 (set_init_index): Likewise. Remove constructor_range_end.
8488 Error if designator index is outside of array bounds.
8489 (add_pending_init): Compare values of purpose index trees, not the
8490 trees themselves. Allow overwriting of already initialized element.
8491 Issue a warning if it had side-effects.
8492 (set_nonincremental_init, set_nonincremental_init_from_string): New
8494 (pending_init_member): Rename to...
8495 (find_init_member): ...this function. Call set_nonincremental_init
8496 if necessary. Compare values of purpose index trees, not the trees
8497 themselves. Return the actual value, not just non-zero if something
8499 (output_init_element): Remove checks for duplicates.
8500 If field has zero size, only check the initializer for correctness.
8501 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8502 if constructor_incremental is zero. Change error about initializers
8503 not computable at load time into pedwarn.
8504 (output_pending_init_elements): Compare bit positions, not
8505 FIELD_DECLs to take into account zero-sized fields.
8506 (process_init_element): Use constructor_range_stack to fill all
8507 ranges in the designator lists from current level up.
8508 * extend.texi: Update documentation for labeled elements.
8510 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8512 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8513 to function usage for arguments passed by reference. Optimize
8514 callee-copied arguments.
8515 * regmove.c (replace_in_call_usage): New function.
8516 (fixup_match_1): Call it.
8517 * cse.c (cse_insn): Canonicalize registers in function usage.
8518 * reload1.c (replace_pseudos_in_call_usage): New function.
8521 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8524 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8526 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8529 2001-01-12 DJ Delorie <dj@redhat.com>
8531 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8532 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8535 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8537 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8538 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8539 -std options alongside references to -ansi. Update some
8540 documentation for C99.
8541 * cpp.1: Regenerate.
8543 2001-01-12 Andreas Jaeger <aj@suse.de>
8545 * haifa-sched.c (restore_line_notes): Remove argument block B
8547 * sched-ebb.c (schedule_ebb): Change caller.
8548 * sched-rgn.c (schedule_region): Likewise.
8549 * sched-int.h (restore_line_notes): Adjust prototype.
8551 * loop.h: Remove wrong declaration of doloop_condition_get.
8553 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8555 * extend.texi: Move C++-extension-related node from the C section
8556 into the C++ section.
8558 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8560 * extend.texi: Refer to an array of pointers to functions instead
8561 of one of functions.
8563 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8564 Jan Hubicka <jh@suse.cz>
8566 * combine.c (reversed_comparison): Fix typo in last patch.
8568 (combine_reversed_comparison_code): Make static to follow
8569 prototype declaration.
8571 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8573 * install.texi: Remove misplaced duplicate entry.
8575 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8577 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8579 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8581 * final.c: (leaf_function_p): Fix typo.
8583 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8585 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8586 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8588 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8589 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8590 mmap_anon, and valloc is available.
8591 * ggc-page.c: Restructure ifdef logic to match new autoconf
8592 spec. Don't throw away the test page in init_ggc.
8594 * configure, config.in: Regenerate.
8596 2001-01-12 Michael Hayes <mhayes@redhat.com>
8598 * loop.h (total_biv_increment): Constify iv_class pointer.
8599 (struct induction): Replace `mem_mode' with `mem' rtx.
8600 * unroll.c (total_biv_increment): Constify iv_class pointer.
8601 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8602 (find_mem_givs, combine_givs_p): Likewise.
8603 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8605 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8607 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8609 (__gthread_getspecific): Ditto.
8611 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8613 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8614 put_condition_code): Convert fp comparison codes to integer
8616 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8619 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8620 * i386-protos.h (no_comparison_operator): Kill.
8622 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8624 * combine.c (REVERSIBLE_CC_MODE): Remove.
8625 (reversible_comparison_p): Remove.
8626 (combine_reversed_comparison_code): New.
8627 (reversed_comparison): New.
8628 (combine_simplify_rtx): Use
8629 combine_reversed_comparison_code/reversed_comparison instead
8630 of reversible_comparison_p.
8631 (simplify_if_then_else): Likewise.
8632 (simplify_set): Likewise.
8633 (simplify_logical): Likewise.
8634 (if_then_else_cond): Likewise.
8635 (known_cond): Likewise.
8636 (simplify_comparison): Likewise.
8638 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8640 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8641 sizeof (int) is larger than sizeof(__word__).
8643 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8645 * cppinit.c (do_includes): Fix typo.
8647 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8649 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8650 in S_REGS does not occur because not all sources are possible
8651 when a S_REGS is a destination (sometimes needs a clobber).
8652 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8653 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8654 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8655 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8656 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8657 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8658 (lshrdi_const1, lshrsi3_const16): Likewise.
8659 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8660 (*movhi_68hc12, *movqi_68hc12): Likewise.
8661 (movstrictqi): Make sure reloading in D_REGS as a destination
8664 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8666 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8668 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8670 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8671 -D, -U and -A, and don't initialize the builtins.
8672 (do_includes): Error if -include or -imacros with -fpreprocessed.
8673 * cppmain.c (cb_define, cb_undef): Unconditionally process
8675 * tradcpp.c (main): Fix typo.
8677 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8679 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8680 (read_name_map): Use IS_ABSOLUTE_PATH.
8681 * tradcpp.c (get_filename): Likewise.
8683 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8685 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8686 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8687 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8688 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8689 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8690 (cmphi_z_used): Don't use '@' for the output.
8691 (tstqi_z_used): Likewise.
8692 (cmpqi_z_used): Likewise.
8693 (one_cmplsi2): Likewise.
8695 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8697 * config/sh/sh.c (barrier_align): Recognize branch around far
8698 branch and redundant insn.
8700 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8702 * invoke.texi: Restore documentation of the drivers' switches -MD
8705 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8707 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8709 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8710 check-objc//%): Support parallel testing of multilibs.
8711 (TESTSUITEDIR): Set to testsuite by default, but override for
8713 (check-gcc, check-g++, check-g77, check-objc): Enter
8716 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8718 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8719 * sched-deps.c (deps_may_trap_p): Likewise.
8720 * basic-block.h: Remove a comment.
8721 * flow.c (PROP_POSTRELOAD): Remove.
8722 (update_life_info): Don't add it to prop_flags.
8723 (mark_set_1): Lose the code that was enabled by it.
8725 2001-01-11 Michael Hayes <mhayes@redhat.com>
8727 * flow.c (flow_call_edges_add): New.
8728 * basic_block.h (flow_call_edges_add): New.
8730 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8732 * reload1.c (move2add_note_store): Update reg_set_luid even if
8733 base reg remains the same.
8735 2001-01-10 Nick Clifton <nickc@redhat.com>
8737 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8738 machine_function structure to zero.
8739 Add prototypes for machine_status functions.
8741 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8743 * c-common.h (CTI_VOID_LIST): Remove.
8744 (void_list_node): Likewise.
8745 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8746 (void_list_node): New macro.
8747 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8748 * config/i386/i386.c (ix86_init_builtins): Likewise.
8749 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8751 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8753 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8754 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8756 * tradcpp.c: Include mkdeps.h.
8757 (deps, print_deps_phony_targets, deps_append, output_deps,
8758 init_dependency_output, output_deps): New.
8759 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8760 deps_output): Delete.
8761 (print_deps_missing_files): Rename deps_missing_files.
8762 (inhibit_output): Make global.
8763 (main): Delete inhibit_output, deps_stream, deps_target.
8764 Use mkdeps functionality in the same way as cpplib. Remove
8765 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8766 -M and -MM. Remove old handling of deps via deps_out, and
8767 old reading of environment variables.
8768 (get_filename): Update to use deps_add_dep.
8770 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8772 * output.h (make_function_rtl): Remove prototype.
8773 (make_decl_rtl): Likewise.
8774 * varasm.c (make_function_rtl): Remove.
8775 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8776 than from a third parameter.
8777 * tree.h (make_decl_rtl): Remove last parameter.
8778 * c-decl.c (builtin_function): Remove last argument in call to
8779 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8780 (start_function): Likewise.
8781 * except.c (call_get_eh_context): Likewise.
8782 * expr.c (emit_block_move): Likewise.
8783 (clear_storage): Likewise.
8784 * profile.c (output_func_start_profiler): Likewise.
8785 * toplev.c (rest_of_decl_compilation): Likewise.
8786 * objc/objc-act.c (create_builtin_decl): Likewise.
8787 (synth_module_prologue): Likewise.
8788 (generate_static_reference): Likewise.
8789 (build_selector_reference_decl): Likewise.
8790 (build_class_reference_decl): Likewise.
8791 (build_objc_string_decl): Likewise.
8792 (build_protocol_reference): Likewise.
8794 2001-01-10 Richard Henderson <rth@redhat.com>
8796 * hwint.h: Revert yesterday's change.
8798 2001-01-10 Nick Clifton <nickc@redhat.com>
8800 * function.h (save_machine_status): Delete.
8801 (restore_machine_status): Delete.
8802 Amend comment describing {init|mark|free}_machine_status.
8804 * function.c (save_machine_status): Delete.
8805 (restore_machine_status): Delete.
8806 Amend comment describing {init|mark|free}_machine_status.
8807 (push_function_context_to): Remove invocation of
8808 save_machine_status.
8809 (pop_function_context_from): Remove invocation of
8810 restore_machine_status.
8812 * emit-rtl.c (init_emit_once): Amend comment describing
8813 {init|mark|free}_machine_status.
8815 * tm.texi (Per-Function Data): New node. Describe the
8816 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8819 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8821 * cppinit.c (OPT_g): Remove.
8822 (cpp_handle_option): Update for removed -g3.
8823 (print_help): Update.
8824 * cpplib.h (struct cpp_options): Remove debug_output.
8825 * cppmain.c (setup_callbacks, cb_define): Update.
8826 * gcc.c (cpp_options): Translate -g3 to -dD.
8828 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8830 * config/i960/i960.md: Change modifier to + on the zero_extract
8831 pattern after the (rotate -2 reg) canonicalization pattern.
8833 2001-01-10 Richard Henderson <rth@redhat.com>
8835 * config/alpha/alpha.c (alpha_free_machine_status): New.
8836 (override_options): Install it.
8837 (alpha_mark_machine_status): Verify machine non-null.
8838 * config/i386/i386.c (ix86_free_machine_status): New.
8839 (override_options): Install it.
8840 (ix86_init_machine_status): Use xcalloc.
8841 (ix86_mark_machine_status): Verify machine non-null.
8842 * config/ia64/ia64.c (ia64_free_machine_status): New.
8843 (ia64_override_options): Install it.
8844 (ia64_mark_machine_status): Verify machine non-null.
8846 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8848 * function.c (instantiate_virtual_regs): Instantiate virtual
8849 registers found in CALL_INSN_FUNCTION_USAGE.
8851 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8853 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8854 equivalent to -ansi in disabling -Di386.
8856 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8858 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8860 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8862 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8864 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8866 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8868 * invoke.texi: Document that -fcond-mismatch isn't supported for
8871 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8873 * gcc.texi: Define macro gcctabopt.
8874 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8875 @command, @env and @option in some places where appropriate. Use
8876 @gcctabopt where appropriate. Put URLs and email addresses inside
8879 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8881 * gcc.c (cpp_options): Set MD file name from output
8882 filename, if specified.
8883 (suffix_subst): New static variable.
8884 (do_spec): Clear it.
8885 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8887 (give_switch): Handle suffix_subst.
8889 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8891 * invoke.texi: Fix another typo.
8893 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8895 * invoke.texi: Fix typo.
8897 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8899 * c-lang.c (lang_hooks): Update.
8900 (lang_decode_option): Remove.
8901 (lang_init_options): Rename c_init_options.
8902 * toplev.c (main): Use lang_hooks for lang_init_options
8903 and lang_decode_option.
8904 * toplev.h (lang_hooks): Add 2 new hooks.
8905 * tree.h: Remove lang_init_options and lang_decode_option.
8906 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8907 * cp/decl2.c: Similarly.
8908 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8909 (lang_hooks): Update.
8910 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8912 (lang_init_options): Rename ffe_init_options.
8913 (lang_hooks): Update.
8914 (lang_decode_option): Remove.
8915 * java/lang.c (lang_init_options): Rename java_init_options.
8916 (lang_decode_option): Rename java_decode_option.
8917 (lang_hooks): Update.
8918 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8919 (lang_decode_option): Rename objc_decode_option.
8920 (lang_hooks): Update.
8922 2001-01-09 Nick Clifton <nickc@redhat.com>
8924 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8925 (d30v_return_addr_rtx): Delete.
8926 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8927 cfun->machine structure.
8928 (struct machine_function): Move to d30v.h
8929 (d30v_save_machine_status): Delete.
8930 (d30v_restore_machine_status): Delete.
8931 (d30v_init_machine_status): New Function.
8932 (d30v_mark_machine_status): New Function.
8933 (d30v_free_machine_status): New Function.
8934 (d30v_init_expanders): Use new functions.
8935 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8936 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8937 d30v_return_addr_rtx.
8939 * config/d30v/d30v.h (struct_machine): Move here.
8940 Add eh_epilogue_sp_ofs field.
8942 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8943 field in cfun->machine structure.
8945 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8947 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8948 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8949 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8951 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8953 * objc/lang-options.h: Remove bogus reference to
8956 2001-01-09 Kazu Hirata <kazu@hxi.com>
8958 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8961 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8963 * reload.c (find_reloads_address): Check for eliminable registers
8964 when substituting a constant expression for a pseudo.
8966 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8968 * c-common.c (enum format_type): Add format_type_error.
8969 (decode_format_type): New function.
8970 (decl_attributes): Use it.
8971 (format_kind_info): Adjust comment.
8973 2001-01-09 David O'Brien <obrien@BSDi.com>
8975 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8976 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8978 * config/i386/gnu.h: Don't include required platform specific .h files,
8979 tm.h will do it instead.
8980 * config/i386/i386elf.h: Likewise.
8981 * config/i386/linux.h: Likewise.
8982 * config/i386/moss.h: Likewise.
8983 * config/mips/gnu.h: Likewise.
8985 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8987 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8988 (rs6000-ibm-aix3.[01]*): Likewise.
8989 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8990 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8991 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8992 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8993 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8994 (powerpc-*-eabiaix*): Likewise.
8995 (powerpc-*-eabisim*): Likewise.
8996 (powerpc-*-elf*): Likewise.
8997 (powerpc-*-eabi*): Likewise.
8998 (powerpc-*-rtems*): Likewise.
8999 (powerpc-*-linux*libc1): Likewise.
9000 (powerpc-*-linux*): Likewise.
9001 (powerpc-wrs-vxworks*): Likewise.
9002 (powerpcle-wrs-vxworks*): Likewise.
9003 (powerpcle-*-sysv*): Likewise.
9004 (powerpcle-*-elf*): Likewise.
9005 (powerpcle-*-eabisim*): Likewise.
9006 (powerpcle-*-eabi*): Likewise.
9007 (powerpcle-*-solaris2*): Likewise.
9008 * config/rs6000/aix31.h: Delete includes.
9009 * config/rs6000/aix3newas.h: Likewise.
9010 * config/rs6000/aix41.h: Likewise.
9011 * config/rs6000/aix43.h: Likewise.
9012 * config/rs6000/beos.h: Likewise.
9013 * config/rs6000/rtems.h: Likewise.
9014 * config/rs6000/sysv4.h: Likewise.
9016 2001-01-09 Kazu Hirata <kazu@hxi.com>
9018 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9019 Change an argument mode of machine_mode to shift_mode of
9020 shift_mode. Remove an extra error check.
9021 (emit_a_shift): Adopt to the new calling prototype of
9023 (function_prologue): Fix code for a monitor
9024 function. Support H8/S.
9025 (function_epilogue): Do not output pop for a monitor function.
9027 2001-01-09 Nick Clifton <nickc@redhat.com>
9029 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9030 (setup_incoming_varargs): Use sysv_varargs_p field of the
9031 cfun->machine structure.
9032 (struct machine_function): Move to rs6000.h
9033 (rs6000_save_machine_status): Delete.
9034 (rs6000_restore_machine_status): Delete.
9035 (rs6000_init_machine_status): New Function.
9036 (rs6000_free_machine_status): New Function.
9037 (rs6000_init_expanders): Use new functions.
9039 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9041 (struct machine_function): Move here.
9043 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9044 sysv_varargs_p field of the cfun->machine structure.
9046 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9048 (rs6000_restore_machine_status): Remove prototype.
9050 2001-01-09 Richard Henderson <rth@redhat.com>
9052 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9053 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9054 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9055 (sched_analyze_2, sched_analyze_insn): Likewise.
9056 (sched_analyze, init_deps): Likewise.
9057 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9058 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9059 (compute_block_backward_dependences): Update propagate_deps call.
9061 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9063 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9065 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9067 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9068 (cpp_handle_option): Handle them.
9069 (cpp_post_options): Ensure one of -M or -MM is specified with
9070 any other -M? option.
9071 (init_dependency_output): Suppress output with -MG.
9073 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9076 * invoke.texi: Update.
9078 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9080 * sh.md (reload_outsf): Generate recognizable patterns for
9083 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9085 * c-lang.c (lang_hooks): Update.
9086 (lang_init): Rename c_init.
9087 (lang_finish): Remove.
9088 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9090 * toplev.h (lang_hooks): Add init () and finish ().
9091 * tree.h (lang_init, lang_finish): Remove.
9092 * cp/tree.h (lang_init, lang_finish): Remove.
9093 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9094 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9096 (lang_init, lang_finish): Remove.
9097 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9098 (lang_hooks): Update.
9099 * java/lang.c (lang_init): Rename java_init.
9100 (lang_finish): Remove.
9101 (lang_hooks): Update.
9102 * objc/objc-act.c (lang_init): Rename objc_init.
9103 (lang_finish): Remove.
9104 (lang_hoooks): Update.
9106 20001-01-09 Graham Stott <grahams@redhat.com>
9108 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9109 after `ptr` is initialised.
9111 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9113 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9114 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9115 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9116 stack adjusts, instead of r3.
9118 2001-01-09 Michael Hayes <mhayes@redhat.com>
9120 * flow.c (flow_loop_scan): Break out of ...
9121 (flow_loops_find) ... here.
9122 * basic-block.h (flow_loop_scan): New.
9123 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9124 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9126 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9128 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9130 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9131 realloc()ing macro_buffer.
9133 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9134 if it's wider than long and the target's long is wider than the
9137 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9139 Remove support for using UWIN as a host machine.
9140 * configure.in: Issue an error message.
9141 * configure: Regenerated.
9142 * config.gcc: Remove xm_* UWIN configury.
9143 * config/i386/xm-uwin.h: Remove.
9145 2001-01-08 Nick Clifton <nickc@redhat.com>
9147 * config/v850/v850.c (ra_rtx): Delete.
9148 (v850_save_machine_status): Delete.
9149 (v850_restore_machine_status): Delete.
9150 (v850_init_machine_status): New function.
9151 (v850_mark_machine_status): New function.
9152 (v850_free_machine_status): New function.
9153 (v850_return_addr): Use ra_rtx field in machine structure.
9154 (v850_init_expanders): Use new functions.
9156 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9157 * config/v850/v850.c: Change arguments to v850_output+* functions
9158 to take a const char *, to avoid compile time warning.
9159 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9160 (USER_LABEL_PREFIX): Redefine.
9162 2000-01-08 Jim Wilson <wilson@redhat.com>
9164 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9165 1 to unsigned HOST_WIDE_INT before left shift.
9167 2001-01-08 Nick Clifton <nickc@redhat.com>
9169 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9170 the machine structure has been allocated.
9171 (arm_free_machine_status): New function: Free the machine
9172 specific function structure.
9174 2001-01-08 Richard Henderson <rth@redhat.com>
9176 * jump.c (simplejump_p): Revert last change.
9178 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9180 * cppinit.c (init): Rename init_library.
9181 (cpp_create_reader): Update.
9182 * gcc.c (cpp_options): If -o given, use it as the target of
9185 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9187 * arm.c (arm_arch5e): New variable.
9188 (all_cores): XScale is a 5TE device.
9189 (arm_override_options): Set arm_arch5e.
9190 (arm_init_builtins): __builtin_prefetch is in arch5e.
9191 * arm.h (arm_arch5e): Declare it.
9193 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9195 * arm.md (define_constants): Add defines for UNSPEC and
9196 UNSPEC_VOLATILE insns. Update all users.
9197 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9198 * arm.c (multi_register_push, note_invalid_constants)
9199 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9200 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9201 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9203 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9205 * jump.c (jump_optimize_1): Use reversed_comparison_code
9206 instead of can_reverse_comparison_p.
9207 (jump_back_p): Likewise.
9208 (invert_exp_1): Likewise.
9209 (thread_jumps): Likewise.
9210 * simplify-rtx.c (simplify_unary_operation): Likewise.
9211 (simplify_ternary_operation): Likewise.
9212 * cse.c (find_comparison_args): Convert to use
9213 can_reverse_comparison_p.
9214 (record_jump_equiv): Likewise.
9216 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9218 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9219 (EPILOGUE_USES): Define.
9220 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9221 automatically stack the LR if it isn't live.
9223 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9225 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9228 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9230 * ggc-page.c (max_alignment): New structure.
9231 (MAX_ALIGNMENT): New macro.
9232 (init_ggc): Use it to round up the sizes in the
9233 extra_order_size_table.
9235 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9237 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9240 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9242 * builtins.def (BUILT_IN_FPRINTF): New entry.
9244 * c-common.c (c_expand_builtin_fprintf): New function.
9245 (init_function_format_info): Handle __builtin_fprintf.
9246 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9247 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9249 * c-decl.c (duplicate_decls): Adjust comment.
9251 * extend.texi (fprintf): Document new builtin.
9253 2001-01-07 Richard Henderson <rth@redhat.com>
9255 * jump.c (simplejump_p): Recognize any single_set jump
9258 2001-01-07 Richard Henderson <rth@redhat.com>
9260 * configure.in (slibdir): Accept an --with-slibdir option.
9261 Use "test" not "[" in configure. Default to $(libdir).
9263 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9265 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9266 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9267 (SHLIB_LINK): Create links for the soname.
9268 * config/mips/t-iris6: Likewise.
9269 * config/sparc/t-slibgcc: Likewise.
9270 * config/sparc/t-slibgcc-sld: Likewise.
9272 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9274 * config/i386/i386.c (constant_call_address_operand): Accept
9275 (const (plus (symbol_ref) (const_int))).
9276 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9277 constant_call_address_operand.
9279 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9281 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9282 and LONG_LONG_TYPE_SIZE > 32.
9284 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9286 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9287 the previous change.
9289 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9291 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9293 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9294 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9295 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9298 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9300 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9302 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9304 * c-lang.c (c_post_options): Call cpp_post_options.
9305 * objc/objc-act.c (objc_post_options): Similarly.
9306 * cppmain.c (main): Similarly.
9307 * fix-header.c (read_scan_file): Similarly.
9308 * cppinit.c (cpp_start_read): Move option consistency checks
9309 to cpp_post_options. Don't call init_dependency_output.
9310 If needed, add default target and main file dependency.
9311 (OPT_MD, OPT_MMD): Remove.
9313 (cpp_handle_option): Update for OPT_* changes.
9314 (cpp_post_options): New.
9315 (init_dependency_output): Command line -MF overrides environment
9316 variables. Don't set default target etc. Suppress output
9317 if dependencies are going to stdout.
9318 (print_help): Update.
9319 * cpplib.h (cpp_post_options): New.
9320 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9322 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9324 * jump.c (comparison_dominates_p): Support unordered compares.
9326 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9328 * simplify-rtx.c (simplify_relational_operation): Always simplify
9329 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9332 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9334 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9335 (nonzero_bits): Likewise.
9336 (simplify_comparison): Likewise.
9337 (num_sign_bit_copies): Likewise; return more sane value depending
9338 on STORE_FLAG_VALUE.
9339 (known_cond): Do not assume EQ to be always true for equivalent
9342 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9344 * cse.c (fold_rtx): Handle unordered comparisons.
9346 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9348 * rtlanal.c (set_of_1): New static function.
9349 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9350 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9351 reg_set_last_last_regno): Remove.
9352 (set_of): New global function.
9353 (set_of_data): New structure.
9354 (reg_set_p, reg_set_last): Revamp for set_of.
9355 * rtl.h (set_of): New.
9357 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9359 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9360 * extend.texi: Document _Exit builtin.
9362 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9364 * (initialize, initialize_builtins,
9365 initialize_dependency_output, initialize_standard_includes):
9366 Rename s/initialize/init. Update.
9367 (init_dependency_output): Move to after
9368 cpp_handle_options, the correct location temporally at least.
9369 (opt_comp): Move next to init (), its caller. Fix prototype.
9370 (init): Make "initialized" local scope.
9371 (cpp_create_reader): Always call init ().
9372 (cpp_start_read): Update.
9373 (output_deps): New function, broken out of cpp_finish.
9374 (cpp_finish): Break out output_deps.
9376 2001-01-07 Richard Henderson <rth@redhat.com>
9378 * collect2.c (COFF specific stuff): Revert 12-06 patch
9379 to prototype system functions.
9381 2001-01-07 Michael Hayes <mhayes@redhat.com>
9383 * hard-reg-set.h: Add multiple include guard.
9384 * basic-block.h (struct loop): Add `sink' field.
9385 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9386 (emit_iv_add_mult): Delete.
9387 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9388 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9389 (unroll_loop): Remove end_insert_before argument.
9390 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9391 (maybe_eliminate_biv_1): Likewise.
9392 (emit_iv_add_mult): Delete.
9393 (gen_add_mult, loop_regs_update): New.
9394 (loop_insn_emit_after, loop_insn_emit_before): New.
9395 (loop_insn_sink, loop_insn_sink_or_swim): New.
9396 (emit_iv_add_mult): Delete.
9397 (scan_loop): Set loop->sink.
9398 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9399 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9400 (maybe_eliminate_biv_1): Likewise.
9401 (maybe_eliminate_biv_1): Add basic block argument.
9402 * unroll.c (unroll_loop): Remove end_insert_before argument.
9403 (find_splittable_regs): Likewise.
9404 (find_splittable_regs): Use loop_insn_sink and its ilk.
9405 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9407 2001-01-07 Michael Hayes <mhayes@redhat.com>
9409 * loop.h (loop_insn_hoist): New prototype.
9410 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9411 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9412 (check_dbra_loop, load_mems): Likewise.
9413 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9414 (find_splittable_givs): Likewise.
9416 2001-01-07 Michael Hayes <mhayes@redhat.com>
9418 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9420 2001-01-07 Richard Henderson <rth@redhat.com>
9422 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9424 2001-01-07 Richard Henderson <rth@redhat.com>
9426 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9427 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9428 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9429 variant that handles a shared libgcc.
9430 (process_command): Always validate -{static,shared}-libgcc.
9431 (do_spec_1): New 'M' case.
9432 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9434 2001-01-07 Richard Henderson <rth@redhat.com>
9436 * Makefile.in (slibdir): New variable.
9437 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9438 (installdirs): Create slibdir.
9439 (install-libgcc, install-multilib): Defer to libgcc.mk.
9440 * configure.in (slibdir): Substitute.
9441 * mklibgcc.in (install): New target.
9443 * config/t-linux (SHLIB_LINK): Create links for the soname.
9444 (SHLIB_INSTALL): New.
9445 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9446 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9447 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9448 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9449 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9451 2001-01-07 Richard Henderson <rth@redhat.com>
9453 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9454 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9455 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9457 2001-01-07 Michael Hayes <mhayes@redhat.com>
9459 * loop.c (count_loop_regs_set): Delete.
9460 (load_mems_and_recount_loop_regs_set): Delete.
9461 (loop_regs_scan): Merge common code from count_loop_regs_set,
9462 scan_loop, and load_mems_and_recount_loop_regs_set.
9463 (scan_loop): Call load_mems directly and loop_regs_scan
9464 again if new registers created.
9466 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9468 * toplev.c (main): Call the front-end specific post_options
9469 hook if one is given.
9470 * toplev.h (struct_lang_hooks, lang_hooks): New.
9471 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9472 for the C front end.
9473 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9474 lang_hooks for the C++ front end.
9475 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9476 lang_hooks for the ObjC front end.
9477 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9478 * java/lang.c (lang_hooks): Hooks for the Java front end.
9480 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9482 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9483 for verbose DWARF[2] debugging.
9484 (cb_define, cb_undef): The new callbacks.
9485 * toplev.h (debug_define, debug_undef): Make const correct.
9486 * toplev.c (debug_define, debug_undef): Similarly. Do not
9487 perform the verbosity tests here anymore.
9489 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9491 * reload.c (subst_reloads): Take INSN argument. When
9492 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9493 * reload.h (subst_reloads): Adjust prototype.
9494 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9495 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9496 present in JUMP_INSNs and copy them to JUMP_LABEL.
9497 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9498 JUMP_INSNs and insns with REG_LABELs that are followed by
9499 JUMP_INSNs with the same REG_LABEL.
9500 * sched-rgn.c (is_cfg_nonregular): Likewise.
9501 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9503 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9505 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9507 2001-01-06 Richard Henderson <rth@redhat.com>
9509 * loop.c (scan_loop): Use xcalloc for the regs array.
9510 (load_mems_and_recount_loop_regs_set): Zero the new memory
9511 received from xrealloc.
9513 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9515 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9517 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9519 * integrate.c (copy_rtx_and_substitute): When copying
9520 an ignored return value, strip REG_FUNCTION_VALUE_P.
9522 2001-01-06 Michael Hayes <mhayes@redhat.com>
9524 * loop.c (debug_biv, debug_giv): New.
9525 (loop_biv_dump): Break out from ...
9526 (record_biv): ... here.
9527 (loop_giv_dump): Break out from ...
9528 (record_giv): ... here.
9529 (loop_bivs_check): Use print_simple_rtl.
9530 * unroll.c (loop_iterations): Use print_simple_rtl.
9532 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9534 * pa.md (return, return_internal): Modify patterns to prevent regrename
9535 mucking with the return pointer.
9537 2001-01-05 Richard Henderson <rth@redhat.com>
9539 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9541 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9543 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9544 version supplied by Matteo Frigo.
9546 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9548 * cpp.texi: Update for -MQ.
9549 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9550 (cpp_cleanup): Always free pfile->deps.
9551 (initialize_dependency_output): Don't create pfile->deps.
9552 (cpp_handle_option): Similarly.
9554 * gcc.c (cpp_options): Handle -MQ.
9555 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9556 * mkdeps.c (base_name): Remove.
9557 (deps_init): Don't allocate vector space until it's needed.
9558 (deps_free): Only free vectors if allocated.
9559 (deps_add_target, deps_add_dep): Update for initial allocation.
9560 (deps_add_default_target): Don't strip to the base_name.
9562 2001-01-05 DJ Delorie <dj@redhat.com>
9564 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9565 (INIT_EXPANDERS): Define.
9567 * config/v850/v850.c (struct machine_function): Define.
9568 (v850_save_machine_status): New function.
9569 (v850_restore_machine_status): New function.
9570 (v850_return_addr): New function.
9571 (v850_init_expanders): New function.
9573 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9574 and v850_init_expanders.
9576 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9578 * cpplib.h (struct cpp_reader): Add help_only field.
9579 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9580 (cpp_handle_option): Set pfile->help_only if we see -h,
9581 --help, -target-help, or --version. Print version string but
9582 do not set help_only if we see -v or -version. Make text
9583 printed by -v match that printed by (-)-version.
9585 * cppmain.c (main): Exit after option parsing if
9586 pfile->help_only is true.
9588 * toplev.c (independent_decode_option): Call print_version,
9589 then exit, if we see --version (but not -version).
9590 (print_version): Split lengthy message into two lines.
9592 2001-01-05 Nick Clifton <nickc@redhat.com>
9594 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9595 temporary string for initialisation before calling ggc_alloc_string.
9597 2001-01-06 Michael Hayes <mhayes@redhat.com>
9599 * rtl.h (print_simple_rtl): New.
9600 * print-rtl.c (print_simple_rtl): New.
9602 (print_rtx): Disable printing of flags and modes, etc.,
9603 if `flag_simple` nonzero.
9605 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9607 * function.c (fixup_var_refs): Use push_to_full_sequence where
9610 2001-01-05 Michael Meissner <meissner@redhat.com>
9612 * flags.h (flag_reorder_blocks): Add declaration.
9613 (flag_rename_block): Ditto.
9615 2001-01-05 DJ Delorie <dj@redhat.com>
9617 * function.c (reorder_blocks): Make sure the flags are all reset
9618 before using them to mark blocks, else a second invocation will
9619 corrupt the block chain.
9620 (reorder_blocks_0): New, resets the flags.
9622 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9624 * cse.c (find_comparison_args): Stop if the argument is known to
9627 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9629 * config/sh/sh.md (movdf): When splitting load into pair of
9630 registers, don't clobber the register used in the address too
9633 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9635 * varasm.c (mark_constant_pool): Improve initial comments.
9636 (mark_constants): Move marking of constants to mark_constant.
9637 (mark_constant): New function to recursively mark all constants
9638 referred to by a constant.
9640 2001-01-05 Catherine Moore <clm@redhat.com>
9642 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9644 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9646 * cp/lang-options.h: Bring comment in line with reality.
9647 * f/lang-options.h: Likewise.
9648 * java/lang-options.h: Likewise.
9649 * objc/lang-options.h: Likewise.
9650 * ch/lang-options.h: Likewise.
9651 * f/g77.texi: And update the manual.
9653 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9654 Denis Chertykov <denisc@overta.ru>
9656 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9657 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9658 * config/avr/avr.md (all peepholes that request a scratch register):
9659 Call it, FAIL the peephole if not safe (in interrupt functions).
9661 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9663 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9665 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9667 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9669 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9670 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9671 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9672 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9673 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9675 * extend.texi: Document these builtins.
9677 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9679 * c-common.c (lang_get_alias_set): Say we know nothing of
9680 VECTOR_TYPE aliasing.
9682 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9684 2001-01-05 Bruce Korb <bkorb@gnu.org>
9686 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9687 their x* equivalent versions for atexit-less systems
9688 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9689 systems (or any other system any more).
9691 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9693 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9694 output operands. Use arm_hard_register_operand for operand 4.
9695 (stmsi_postinc): Similarly.
9696 (ldmsi): Use arm_hard_register_operand for opernand 2.
9698 * arm.c (arm_hard_register_operand): New function.
9699 * arm-protos.h (arm_hard_register_operand): Prototype it.
9701 * arm.h (HARD_REGNO_RENAME_OK): Define.
9703 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9705 * simplify-rtx.c (cfc_args): add "unordered" field.
9706 (check_fold_consts): Set unordered field.
9707 (simplify_relational_operation): Simplify the unordered
9710 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9713 * emit-rtl.c (try_split): Fix code to mark labels.
9714 * jump.c (mark_jump_label): Make global.
9715 * rtl.h (mark_jump_label): Declare.
9717 * predict.c (estimate_probability): Handle unordred comparisons.
9719 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9721 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9722 * cppinit.c (initialize_dependency_output): Update.
9723 (cpp_finish): Output dummy targets for -MP.
9725 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9726 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9727 * gcc.c (cpp_options): Update to handle -MP.
9728 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9729 to quote only the default target.
9730 (deps_phony_targets): Insert a preceding newline. Rename from
9731 deps_dummy_targets for consistency.
9734 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9736 * calls.c (emit_library_call_value_1): Support
9737 INIT_CUMULATIVE_LIBCALL_ARGS.
9738 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9740 2001-01-04 Richard Henderson <rth@redhat.com>
9742 * c-decl.c (finish_struct): Detect flexible array members
9743 used in an inappropriate context.
9744 * c-typeck.c (really_start_incremental_init): Special case
9745 constructor_max_index for zero length arrays.
9746 (pop_init_level): Allow initialization of flexible array
9747 members. Deprecate initialization of zero length arrays.
9748 Don't issue missing initializer warning for flexible array
9749 members or zero length arrays.
9750 (process_init_element): Don't dereference null DECL_SIZE.
9751 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9752 Don't abort for empty constructors. Use size_binop
9753 (output_constructor): Add commentary regarding zero length
9754 array futures. Abort if we try to initialize an array of
9755 unspecified length with a non-empty constructor in the middle
9758 * extend.texi (Zero Length): Update and clarify documentation
9759 on static initialization.
9761 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9763 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9764 with more than 32767 words of local storage.
9766 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9768 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9769 for 'abs', 'labs', and 'fabs'.
9770 (c4x_expand_builtin): Likewise.
9771 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9773 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9775 * config/sh/sh.md (prget, prset): New insn types.
9776 (return delay slot): Dont' allow prset.
9777 (call, sfunc delay slot): Don't allow prget.
9778 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9779 for prset and prget.
9781 2001-01-05 Michael Hayes <mhayes@redhat.com>
9783 * loop.h (struct loop_reg): New.
9784 (struct loop_regs): Change to use array of `struct loop_reg'.
9785 * loop.c: Replace assortment of varrays with single regs array.
9786 (count_one_set): Delete may_not_move array argument
9787 and use regs array instead. All caller's changed.
9788 (count_loop_regs_set): Delete may_not_move and single_usage
9789 arguments and use regs array instead. All caller's changed.
9790 (find_single_use_in_loop): Replace usage array argument with pointer
9791 to regs structure. All caller's changed.
9792 (loop_optimize): Delete `moved_once' array.
9794 2001-01-05 Michael Hayes <mhayes@redhat.com>
9796 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9797 Use it instead of loop_info->has_call for scanning loop mems.
9798 (check_dbra_loop): Replace loop_info->has_call test with
9799 loop_info->has_nonconst_call.
9801 2000-01-04 Matthew Hiller <hiller@redhat.com>
9803 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9806 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9808 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9809 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9811 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9813 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9814 (flag_short_double, flag_short_wchar): Define.
9815 (c_common_nodes_and_builtins): Create many tree nodes shared
9816 between C and C++ here instead of in cp/decl.c and ...
9817 * c-decl.c (init_decl_processing): ... here.
9818 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9819 (flag_short_double, flag_short_wchar): Don't define.
9820 (record_builtin_type): New function.
9821 (build_void_list_node): New function.
9822 * c-common.h (flag_short_double, flag_short_wchar,
9823 record_builtin_type, build_void_list_node): Declare.
9825 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9827 * integrate.c (expand_inline_function): Don't put a virtual
9828 register into the reg map.
9830 * function.c (fixup_var_refs_1): If force_operand didn't put
9831 the address into the target, move it there.
9833 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9835 Special-case tree_decl/tree_list allocations.
9836 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9837 (OBJECT_SIZE): New macro.
9838 (NUM_EXTRA_ORDER): Likewise.
9839 (extra_order_size_table): New variable.
9840 (NUM_ORDERS): New macro.
9841 (objects_per_page_table): New variable.
9842 (object_size_table): New variable.
9843 (G.pages): Use NUM_ORDERS to bound the array.
9844 (G.page_tails): Likewise.
9845 (DIV_ROUND_UP): Remove.
9846 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9847 (alloc_page): Use OBJECT_SIZE.
9848 (size_lookup): Don't make it const.
9849 (ggc_alloc): Use OBJECT_SIZE.
9850 (ggc_set_mark): Likewise.
9851 (ggc_get_size): Likewise.
9852 (init_ggc): Set up the object_size_table, objects_per_page_table,
9853 and adjust size_lookup.
9854 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9855 (ggc_pop_context): Use NUM_ORDERS.
9856 (clear_marks): Likewise.
9857 (sweep_pages): Likewise.
9858 (poison_pages): Likewise.
9859 (ggc_print_statistics): Use OBJECT_SIZE.
9861 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9863 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9864 Only call array_size_for_constructor if last field and array type
9865 with no upper bound.
9867 2001-01-04 Philip Blundell <philb@gnu.org>
9869 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9870 from bit 31 downwards, if this requires no more insns.
9871 (count_insns_for_constant): New helper function for above.
9873 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9875 * gencodes.c (output_predicate_decls): Remove empty initializer.
9877 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9879 * tree.c (copy_node): Remove documentation about obstacks.
9880 (buidl1): Check that nobody tries to build 2-argument nodes this
9883 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9885 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9888 * gencodes.c (output_predicate_decls): Fill empty initializer
9891 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9893 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9894 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9896 (do_include): Handle missing headers like cpp0.
9897 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9898 paths with first include pathname. Don't strcat to uninitialized
9901 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9903 * regrename.c (regrename_optimize): Don't rename from frame pointer
9904 if frame_pointer_needed.
9905 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9906 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9907 (ia64_reorg): Use it instead of scheduling if ! optimize.
9908 (errata_emit_nops): Properly call asm_noperands.
9909 (ia64_sched_reorder): Finish cycle if we see an asm.
9910 (ia64_variable_issue): Clear scheduling state after asms.
9912 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9914 * cpp.texi: Update for -MT.
9915 * cppinit.c (initialize_dependency_output): Add a default
9916 target if none has been given already.
9917 (no_tgt, OPT_MT): New.
9918 (cpp_handle_option): Handle -MT. Update -M etc.
9919 * cpplib.h (struct cpp_options): Remove deps_target.
9920 * gcc.c (cpp_options): Handle -MT.
9921 * mkdeps.c (struct deps): Move from mkdeps.h.
9922 (deps_calc_target): Rename deps_add_default_target. Add a
9923 default target if none has been specified already.
9924 * mkdeps.h (struct deps): Move to mkdeps.c.
9925 (deps_calc_target): Rename deps_add_default_target.
9927 2000-01-03 Richard Henderson <rth@redhat.com>
9929 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9931 * c-typeck.c (push_init_level): Move checks for flexible array
9932 members and zero length arrays ...
9933 (pop_init_level): ... here. Silently discard empty initializations.
9935 * varasm.c (output_constructor): Update for sizeof change to
9938 * extend.texi (Zero Length): Clarify semantics.
9940 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9942 * configure.in (tm.h): Include isns-codes.h last.
9943 * configure: Rebuilt.
9945 2001-01-03 Richard Henderson <rth@redhat.com>
9947 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9948 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9950 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9952 * tradcpp.c (main): Make sure finclude() is called with a valid
9953 indepth value while handling -include.
9955 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9957 * gencodes.c (output_predicate_decls): New function.
9959 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9960 even if it is not the first time machmode.h is #included.
9961 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9962 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9963 * gcc.texi (Copyright): Added 2001.
9965 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9967 * c-common.c (c_common_lang_init): New function. Warn if format
9968 warning options which only have effects when used with -Wformat
9969 are used without -Wformat.
9970 * c-common.h (c_common_lang_init): Declare.
9971 * c-lang.c (lang_init): Call c_common_lang_init.
9972 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9974 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9976 * configure.in: Check for the mktemp command.
9977 * configure: Regenerate.
9978 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9979 $TEMP. Create temporary files with mktemp, if available at
9980 configure time; otherwise use set -C. Remove temporary files
9983 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9985 * configure.in: Require at least texinfo 4.0. Check for whether
9986 Pod::Man is sufficiently recent to regenerate GCC manpages.
9987 * configure: Regenerate.
9988 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9990 (GENERATED_MANPAGES): Define.
9991 (generated-manpages): New target. Depend on cpp.1 as well as
9993 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9994 configure to generated-manpages or empty) rather than on the
9995 manpages directly. Remove execute permission from installed
9996 gcov.1 as well as cpp.1.
9997 * cpp.1, gcov.1: Regenerate.
9999 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10001 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10002 tree_low_cst. Allow using cmpstrsi in more cases.
10004 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10006 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10009 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10011 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10012 * Makefile.in (HOST_CFLAGS): Mention build-make.
10014 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10016 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10019 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10021 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10024 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10027 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10028 reg_base_value and reg_known_value arrays.
10029 (init_alias_analysis): Add more cases to detect known values.
10030 * sched-deps.c (deps_may_trap_p): New function.
10031 (sched_analyze_2): Use it.
10033 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10035 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10036 don't discard an ASHIFTRT if we're shifting in a wider mode.
10038 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10040 * toplev.c (rest_of_compilation): Don't print basic block information
10041 when CFG isn't up to date.
10043 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10045 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10046 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10047 (UNALIGNED_SHORT_ASM_OP): Define.
10048 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10050 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10052 * fold-const.c (fold_convert): Fix typo.
10054 2001-01-02 Richard Henderson <rth@redhat.com>
10056 * c-common.h (ASM_INPUT_P): New.
10057 * c-parse.in (asm): Set it when needed.
10058 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10059 existance of an operand.
10061 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10063 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10064 (dwarf2out_frame_debug_expr): Likewise.
10065 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10067 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10069 * i386.c (ix86_split_to_parts): Return number of part required;
10071 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10073 (ix86_split_long_move): Use number of part returned
10074 by ix86_split_to_parts
10075 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10077 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10078 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10079 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10080 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10081 (ALIGN_MODE_128): Add TFmode.
10082 (IS_STACK_MODE): Likewise.
10083 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10084 (HARD_REGNO_OK): Support TFmodes.
10085 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10086 * i386.md (scheduler definitions): Use memory operand to determine
10087 fst/fld instructions; use mode attribute to determine real mode of
10089 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10090 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10092 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10094 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10096 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10098 * expr.c (store_constructor_field): Update ALIGN before calling
10101 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10103 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10106 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10108 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10111 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10113 * c-decl.c (start_function): Don't warn on third parameter to main.
10115 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10117 * tsystem.h: Define HAVE_DECL_GETOPT.
10119 2001-01-02 Philip Blundell <pb@futuretv.com>
10121 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10124 2001-01-02 Richard Henderson <rth@redhat.com>
10126 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10128 2001-01-02 Andreas Jaeger <aj@suse.de>
10130 * c-decl.c (c_decode_option): Remove support of
10131 -Wmissing-noreturn.
10133 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10134 (W_options): Add -Wmissing-noreturn here.
10136 * flow.c: Define lang_missing_noreturn_ok_p.
10137 (check_function_return_warnings): Use it.
10139 * c-common.h: Declare lang_missing_noreturn_ok_p.
10141 * c-lang.c (c_missing_noreturn_ok_p): New function.
10142 (lang_init): Set lang_missing_noreturn_ok_p.
10144 * invoke.texi (Warning Options): Document this.
10146 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10148 * extend.texi (C++ Extensions): New node for C++ attributes;
10149 describe init_priority and com_interface.
10150 * invoke.texi: Remove -finit-priority as it now has zero effect.
10151 * install.texi: Fix xref syntax.
10152 * md.texi: Likewise.
10154 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10156 * config.gcc (sparc64-wrs-vxworks*): New case.
10157 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10159 * config/sparc/sparc.c (sparc_override_options): Do support different
10160 pointer and architecture size.
10161 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10162 (POINTERS_EXTEND_UNSIGNED): Define.
10163 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10164 (FUNCTION_MODE): Define to be Pmode.
10165 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10167 * function.c (expand_function_end): Properly handle DECL_RESULT
10168 and copy when ptr_mode != Pmode.
10169 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10171 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10173 * c-common.c (c_common_nodes_and_builtins): Set prototype
10174 parameters for __builtin_fputs, __builtin_fputc and
10175 __builtin_fwrite. Don't declare plain fputc as a builtin.
10177 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10179 * loop.c (add_label_notes): Increment the label usage count when
10180 a note is added to an insn which refers to a CODE_LABEL.
10181 * gcse.c (add_label_notes): Likewise.
10183 2001-01-01 Andreas Jaeger <aj@suse.de>
10185 * loop.c (scan_loop): Use xmalloc to allocate movables.
10187 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10189 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10190 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10191 * reload1.c (REGISTER_MOVE_COST): Likewise.
10192 * regclass.c (REGISTER_MOVE_COST): Likewise.
10193 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10194 dimension. Adjust all users.
10195 (init_reg_sets_1): Iterate on all modes.
10196 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10197 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10198 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10199 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10200 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10201 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10202 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10203 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10204 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10205 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10206 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10207 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10208 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10209 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10210 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10211 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10212 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10213 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10214 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10215 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10216 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10217 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10218 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10219 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10220 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10221 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10222 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10224 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10226 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10227 arg VARIES_P. Call it with extra arg.
10228 (true_dependence): Likewise.
10229 * rtl.h (rtx_addr_can_trap_p): Declare.
10230 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10232 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10233 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10234 pic offset table register if it's zero. All callers changed.
10235 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10237 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10239 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10240 STRING_POOL_ADDRESS_P.
10242 * config/sparc/sparc.c (input_operand): Properly test for short op.
10244 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10245 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10246 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10247 * config/sparc/elf.h: No longer include sol2.h.
10248 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10249 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10251 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10253 2001-01-01 Michael Hayes <mhayes@redhat.com>
10255 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10256 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10257 (record_initial): Likewise.
10258 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10259 (remap_split_bivs): Likewise.
10261 2001-01-01 Michael Hayes <mhayes@redhat.com>
10263 * loop.c (loop_ivs_free): New function.
10264 (strength_reduce): Break out from...
10266 2001-01-01 Michael Hayes <mhayes@redhat.com>
10268 * loop.h (struct iv): New.
10269 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10270 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10271 'reg_biv_class' fields with 'regs' and 'n_regs'.
10272 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10273 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10274 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10276 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10278 * resource.c (mark_referenced_resources): Abort() before
10279 attempting to mark a pseudo register.
10280 (mark_set_resources): Likewise.
10282 2001-01-01 Michael Hayes <mhayes@redhat.com>
10284 * loop.h (REG_IV_CLASS): New accessor macro.
10285 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10286 * unroll.c (REG_IV_CLASS): Likewise.
10288 See ChangeLog.4 for earlier changes.