1 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
4 (num_insns_constant): CONST_INT can be 64-bits.
6 2001-05-14 Stan Shebs <shebs@apple.com>
8 * config/darwin.h (LIB_SPEC): Just use -lSystem.
9 (LIBGCC_SPEC): Don't define.
11 2001-05-14 Richard Henderson <rth@redhat.com>
13 * configure.in (gcc_cv_as_eh_frame): New test.
14 * config.in, configure: Rebuild.
15 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
17 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
19 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
20 extended precision divide.
22 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
24 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
27 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
29 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
30 (CPP_CPU??_SIZE_TYPE): New.
31 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
32 (CPP_CPU_SPEC): ... here; support choosing of CPU.
33 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
34 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
36 * i386.c (override_options): Add sorry about not suported modes.
38 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
40 * config/pa/som.h (NM_FLAGS): Remove.
41 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
42 (ASM_OUTPUT_SECTION_NAME): Remove.
43 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
45 2001-05-14 Mark Mitchell <mark@codesourcery.com>
47 * regrename.c (regrename_optimize): Do not rename registers to
50 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
52 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
53 contain MEMs. Remove useless distinction about clobbering
56 2001-05-13 Geoff Keating <geoffk@redhat.com>
58 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
59 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
60 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
61 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
62 (EXCEPTION_SECTION): Define.
64 2001-05-13 Zack Weinberg <zackw@stanford.edu>
66 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
67 binary backward compat only.
68 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
69 in LIB2FUNCS. Pass it to mklibgcc.
70 * mklibgcc.in: Handle LIB2FUNCS_ST.
72 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
74 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
76 * tm.texi (THREAD_MODEL_SPEC): Document it.
77 * gcc.c (main): Use it.
78 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
79 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
81 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
83 * rtl.h (SYMBOL_REF_WEAK): New macro.
84 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
85 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
86 * rtl.texi (SYMBOL_REF_WEAK): Document it.
87 * gcc.texi: Remove wrong description.
89 2001-05-13 Mark Mitchell <mark@codesourcery.com>
91 * Makefile.in (STAMP): New macro.
92 Replace all uses of `touch' with $(STAMP).
93 * fixinc/Makefile.in: Likewise.
95 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
97 * configure.in: ldopen is never in -lexc, so don't test for it.
98 Add test for exc_resume in -lexc for Ada.
99 * configure: Regenerated.
101 2001-05-12 Richard Henderson <rth@redhat.com>
103 * dwarf2asm.c (size_of_encoded_value): New function.
104 * dwarf2asm.h: Declare it.
105 * except.c (output_function_exception_table): Align the TType
106 array only as wide as the encoding.
108 2001-05-12 Zack Weinberg <zackw@stanford.edu>
110 * extend.texi: Document #pragma GCC java_exceptions.
112 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
114 * c-parse.in (bison parser, init_reswords): Remove uses of
116 * c-tree.h (doing_objc_thang): Remove.
118 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
120 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
121 about files not ending in newlines.
123 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
125 * dwarfout.c (dwarfout_init): Add cast.
126 * sched-deps.c (sched_analyze_insn): Remove unused vars.
127 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
129 * method.c (build_mangled_C99_name): Remove unused prototype.
131 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
133 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
135 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
137 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
138 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
140 2001-05-11 Richard Henderson <rth@redhat.com>
142 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
143 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
144 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
145 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
146 (dw2_output_indirect_constants): Prototype.
147 * dwarf2out.c (dwarf2out_begin_prologue): Generate
148 current_function_func_begin_label if we'll need it for EH. Exit
149 early for IA64_UNWIND_INFO.
150 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
151 (eh_data_format_name): Update for indirect references.
152 (output_function_exception_table): Care for IA64_UNWIND_INFO.
153 Handle ASM_PREFERRED_EH_DATA_FORMAT.
154 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
155 define HAVE_eh_return etc.
156 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
157 (final_end_function): Don't call output_function_exception_table.
158 * toplev.c (compile_file): Call dw2_output_indirect_constants.
159 (rest_of_compilation): Invoke output_function_exception_table
160 for ia64 before assemble_end_function.
161 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
162 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
164 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
165 * unwind.h: Declare them.
166 * libgcc-std.ver: Export them.
167 * unwind-pe.h: New file.
169 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
171 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
173 (find_fde_for_dso): Extract DT_PLTGOT.
174 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
175 the segment and gp as well.
176 * config/ia64/frame-ia64.c: Remove file.
177 * config/ia64/frame-ia64.h: Remove file.
178 * config/ia64/unwind-ia64.c: New file.
179 * config/ia64/unwind-ia64.h: New file.
180 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
181 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
182 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
183 (ASM_PREFERRED_EH_DATA_FORMAT): New.
184 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
185 (IA64_UNWIND_INFO): Re-enable.
186 (HANDLER_SECTION): Remove.
187 (EH_RETURN_DATA_REGNO): New.
188 * config/ia64/ia64.md (exception_receiver): Remove.
189 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
190 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
192 2001-05-11 Richard Henderson <rth@redhat.com>
194 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
195 calls and jumps to be bundled together.
196 (ia64_reorg): Emit a break after a noreturn call that ends
198 * config/ia64/ia64.md (break_f): New.
200 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
202 * c-lex.c (lex_charconst): Convert into a simple wrapper
203 around cpp_interpret_charconst, to which most of the code
205 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
206 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
207 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
208 (lex): Use cpp_interpret_charconst.
209 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
210 hex_digit_value): New functions.
211 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
212 * cpplib.h (cpp_interpret_charconst): New prototype.
213 * Makefile.in: Update.
215 2001-05-12 Dean Wakerley <dean@wakerley.com>
217 * doc/install.texi: New file. Converted to texinfo from the HTML
218 documentation in wwwdocs/htdocs/install.
220 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
222 * gcse.c (insert_insn_end_bb): Do not search for assignments to
223 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
225 * toplev.c (compile_file): Move comment for opening output
226 file to just before the code that opens the output file.
228 2001-05-11 Jakub Jelinek <jakub@redhat.com>
230 * regmove.c (regmove_optimize): Suppress the optimization for
231 unchanging destination register. Add comment above function.
233 2001-05-11 Zack Weinberg <zackw@stanford.edu>
235 * Makefile.in: Exterminate all references to assert.h.
236 * cross-make: Likewise.
238 * configure.in: Correct commentary.
239 * configure: Regenerate.
241 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
244 * config/t-freebsd, config/t-linux, config/t-linux-aout,
245 config/t-netbsd, config/t-rtems, config/x-linux,
246 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
247 No need to override INSTALL_ASSERT_H.
249 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
250 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
251 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
253 2001-05-11 Graham Stott <grahams@redhat.com>
255 * combine.c (simplify_comparison): Fix typo.
257 2001-05-11 Mark Mitchell <mark@codesourcery.com>
259 * loop.h (struct movables): Remove `num'.
260 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
261 Adjust call to strength_reduce.
262 (num_unmoved_movables): New function.
263 (move_movables): Don't set movables->num.
264 (strength_reduce): Compute the number of instructions in the loop
265 here, rather than in the caller.
266 (check_dbra_loop): Always clear reversible_mem_store if there
268 (loop_regs_scan): Don't count instructions here.
269 (count_insn_in_loop): New function.
271 2001-05-11 Mark Mitchell <mark@codesourcery.com>
273 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
275 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
277 * c-common.c (finish_label_expr): New function, lifted from
279 * c-common.h (finish_label_expr, lookup_label): New prototypes.
280 * c-parse.in: Move 3 blocks of parser code into new functions.
281 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
282 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
283 (lookup_label): Remove.
285 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
287 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
288 FLOAT_BIT_ORDER_MISMATCH.
290 2001-05-10 David Edelsohn <edelsohn@gnu.org>
292 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
293 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
295 2001-05-10 David Edelsohn <edelsohn@gnu.org>
297 * expr.c (emit_group_load): extract_bit_field requires a REG or
300 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
302 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
303 a computed jump into an unconditional jump.
304 In second hunk of code for collapsing computed and conditional jumps
305 into unconditional jumps, reemit the jump in additional cases.
307 * jump.c (jump_optimize_1): Do not wrap the new jump target
308 inside a LABEL_REF; gen_jump will do that automatically.
310 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
312 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
313 contents for a SYMBOL_REF in case of floating point constants.
315 2001-05-10 DJ Delorie <dj@redhat.com>
317 * c-common.c (combine_strings): Widen strings in a
318 host-endian-independent way.
320 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
322 * c-parse.in: Remove many shift/reduce conflicts. Update
324 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
325 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
326 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
327 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
328 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
329 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
330 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
331 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
332 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
333 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
334 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
335 typespec_reserved_nonattr, typespec_reserved_attr,
336 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
337 structsp_nonattr, components_notype, component_notype_declarator,
338 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
339 firstparm, setspecs_fp): New
340 (typed_declspecs, reserved_declspecs, typed_typespecs,
341 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
342 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
343 declmods_no_prefix_attr, nonempty_type_quals, structsp,
344 type_quals): Remove. Users updated.
345 (initdecls, notype_initdecls, after_type_declarator,
346 parm_declarator, notype_declarator, absdcl1, components, ivars):
347 Don't allow attributes at the start of a declarator; include them
348 in the production containing the declarator instead. Always
349 require type specifiers before trying to redeclare a typedef name.
350 (typename): Allow for attributes but warn that they are ignored.
351 (parmlist, firstparm, setspecs_fp): Include attributes in
352 parmlist; suck them off the parser stack in firstparm using
355 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
357 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
358 to determine if a block has an unconditional jump at its end.
360 * jump.c (jump_optimize_1): When converting a conditional jump
361 to an unconditional jump, build the jump using gen_jump instead
362 of just modify operands in-place.
364 2001-05-09 Zack Weinberg <zackw@stanford.edu>
366 * cppinit.c (cpp_post_options): Shut off macro expansion if
368 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
369 IN_I directives only if the # is in column 1 and the directive
370 name begins in column 2.
371 * cppmain.c (scan_buffer): Insert a space between # and an
372 identifier, when that identifier is a directive name.
374 * tradcpp.c (struct file_buf): Add a pointer to the next entry
375 in the header search path.
376 (enum node_type): Add T_INCLUDE_NEXT.
377 (directive_table): Add entry for include_next.
378 (do_include_next): New function.
379 (process_include): New routine, broken out of do_include.
380 (finclude): Insert 'nhd' argument, to be copied into
381 next_header_dir of the new buffer.
382 (main): Adjust to match.
383 * gsyslimits.h, limity.h: Un-indent #include_next.
385 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
387 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
388 inclusion as a chapter of the GCC manual.
389 * gcc.texi: Include objc.texi.
390 * fdl.texi: Use @unnumberedsec for the addendum.
391 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
393 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
395 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
397 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
399 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
400 handling of two-address insns.
402 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
404 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
405 ../binutils/nm-new instead of ../binutils/nm.
407 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
409 * i386.md (movdi splitter): Fix the splitting condition
410 (float_extenddftf splitter): Fix mode.
412 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
414 * genrecog.c (write_switch): Avoid outputting of switch for
415 types wider than int.
417 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
419 * reload1.c (copy_eh_notes): New function.
420 (emit_input_reload_insns): Call it.
421 (emit_output_reload_insns): Call it.
423 2001-05-07 Zack Weinberg <zackw@stanford.edu>
425 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
427 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
428 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
430 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
432 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
434 * pa.md (interspace_jump): Revise comment.
435 (builtin_longjmp): Block initial setup insns from delay slot of
437 (builtin_setjmp_receiver): New expander to save and restore PIC
440 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
442 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
444 * toplev.c (compile_file): Set up the output file before we call
445 the various initializers for the compiler.
447 * except.c (sjlj_mark_call_sites): Do not search for assignments to
448 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
450 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
451 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
453 2001-05-06 Zack Weinberg <zackw@stanford.edu>
455 * Makefile.in (tradcpp0): Correct typo in dependency list.
457 2001-05-06 Geoff Keating <geoffk@redhat.com>
459 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
460 the link register if we're not going to use it.
462 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
463 (output_function_profiler): Likewise.
465 2001-05-07 Alan Modra <amodra@one.net.au>
467 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
469 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
471 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
472 zero-extend it. Make abs_inc unsigned.
474 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
475 widest mode in narrowing and widening operations.
477 * config/mips/mips.md: Sign extend CONST_INTs.
479 2001-05-06 Andreas Jaeger <aj@suse.de>
481 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
482 (i386 Options): Document -momit-leaf-frame-pointer.
484 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
486 * c-typeck.c (internal_build_compound_expr): Check for
487 array to pointer conversion just once.
489 2001-05-05 Richard Henderson <rth@redhat.com>
491 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
493 2001-05-05 Richard Henderson <rth@redhat.com>
495 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
496 to the parent of the fixup region.
498 2001-05-05 Jakub Jelinek <jakub@redhat.com>
500 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
502 * cpp.texi (__NO_INLINE): Document it.
504 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
506 * cppfiles.c (struct include_file): New member err_no.
507 (find_or_create_entry): Set it.
508 (open_file): Don't set fds to -2. Instead, use err_no to
509 remember previous errors, if any.
511 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
513 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
514 between X and Y by using sequences of xgdx and xgdy.
516 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
518 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
519 of '!' for the 'D' alternative ('!' is too strong).
520 ("*logicalsi3_silshl16"): Likewise.
521 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
522 ("movstrictsi"): Remove spurious '+'.
523 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
524 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
525 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
528 2001-05-04 David Edelsohn <edelsohn@gnu.org>
530 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
532 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
534 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
537 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
539 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
542 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
544 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
545 soft register, use ror instead of rol.
547 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
549 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
550 into account pre/post increment decrement for 68HC12.
551 Fix other problems in replacement and fix call to reg_mentioned_p.
553 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
555 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
556 Put the soft registers in bss for 68HC12.
557 (L_regs_d3_4): New for _.d3 and _.d4.
558 (L_regs_d5_6): Likewise.
559 (L_regs_d1_2): Likewise.
560 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
562 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
564 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
565 to the pre-processor when -fshort-double is specified.
566 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
568 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
570 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
571 (__mulsi3): Rewrite for 68HC12.
572 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
573 Mark 'x' constraint with earlyclobber to prevent a
574 RELOAD_FOR_OTHER_ADDRESS to go in it.
575 (mulhi3_m68hc12): New pattern.
576 (mulhi3_m68hc11): Rename of mulhi3.
577 (mulhi3): New expand for 68HC12 optimisation.
578 (umulhisi3, mulhisi3): New patterns for 68HC12.
580 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
582 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
583 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
584 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
586 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
588 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
589 constants cheap after reload.
590 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
592 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
593 so that gcc prefers a shift by 16.
594 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
596 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
598 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
600 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
602 * alpha.h: NULL_PTR -> NULL.
612 * m68hc11.h: Likewise.
613 * rs6000.h: Likewise.
624 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
627 `bool' parameter to `int'.
629 * hash.c (hash_lookup): Likewise.
631 * hash.h (hash_lookup): Likewise.
633 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
635 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
637 * i386.c (x86_initialize_trampoline): Fix mode of constant.
639 2001-05-03 Geoff Keating <geoffk@redhat.com>
641 * invoke.texi (i386 Options): Delete references to -malign-jumps,
642 -malign-loops, -malign-functions.
643 * i386.c (ix86_align_funcs): Delete.
644 (ix86_align_loops): Delete.
645 (ix86_align_jumps): Delete.
646 (override_options): Mark -malign-* as obsolete. Emulate their
647 behaviour with the -falign-* options. Default -falign-* from
649 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
650 patch of Wed May 2 13:09:36 2001.
651 (LOOP_ALIGN): Delete.
652 (LOOP_ALIGN_MAX_SKIP): Delete.
653 (LABEL_ALIGN_AFTER_BARRIER): Delete.
654 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
656 2001-05-04 Andreas Jaeger <aj@suse.de>
658 * except.h: Add prototype declaration for
659 expand_builtin_init_dwarf_reg_sizes.
661 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
663 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
665 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
667 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
669 ("bitcmpqi2"): New pattern for bit-extract and test.
670 ("bitcmphi"): New pattern for bitb/bita instructions.
672 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
674 * gccbug.in: Use a temporary directory when the mktemp command is
677 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
679 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
681 (INITIALIZE_TRAMPOLINE): Call it.
682 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
683 (TRAMPOLINE_TEMPLATE): Remove.
684 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
685 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
688 2001-05-03 David O'Brien <obrien@FreeBSD.org>
690 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
691 and crtendS.o with PIC.
693 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
695 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
697 (___subdi3, ___adddi3): Use x instead of y as index register.
698 (__init_bss_section, __map_data_section): Optimize for 68HC12.
699 (__memset, __memcpy): Likewise.
700 (regs): Put the soft registers in bss for 68HC12.
701 (abort): Use trap to abort for 68hc12.
702 (__mulhi3, __mulhi32): Use emul for 68hc12.
703 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
705 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
707 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
708 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
709 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
710 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
711 Set 68HC12 min offset to -65536.
712 (print_operand): Put parenthesis arround the operand if it refers
713 to a symbol having the same name as a register.
714 (m68hc11_z_replacement): When z register is replaced by its
715 equivalent soft register, force the insn to be re-recognized.
716 (m68hc11_check_z_replacement): Fix the test when destination is
717 the index register and z dies in the insn.
718 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
720 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
722 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
723 costs according to processor variant.
724 (m68hc11_shift_cost): New function to compute shift costs.
725 (m68hc11_rtx_costs): Define costs according to processor variant.
726 (m6811_cost): Costs for 68HC11.
727 (m6812_cost): Costs for 68HC12.
728 (COSTS_N_INSNS): Remove.
730 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
731 (DEFAULT_RTX_COSTS): Remove.
732 (CONST_COSTS): Define costs according to OUTER_CODE.
733 (processor_costs): New struct to define costs.
734 (m68hc11_cost): Pointer to current costs.
736 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
738 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
739 and use m68hc11_notice_keep_cc when using leax/leay.
740 (addhi3 split): Reject split if the insn is handled by
742 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
743 push must be handled in a special way if the source operand uses
744 sp as index register.
745 (m68hc11_notice_keep_cc): New function.
746 (m68hc11_gen_movhi): Use it when an insn changes a register but
748 (m68hc11_gen_movqi): Fix move for 68HC12.
749 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
751 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
753 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
754 and don't pass operands[0] to emit_library_call_value.
756 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
758 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
759 (zero_extendsi split): Simplify and use (zero_extendhi).
760 (*addhi3): Remove 'w' constraint since stack pointer is handled
762 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
763 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
764 (*ashrhi3_const): Fix shift by 7.
765 (*lshrsi3_const16): Fix template.
766 (call, call_value): Fix constraint and predicate.
768 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
770 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
771 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
772 (CC_REGNUM): Likewise.
773 (*unnamed splits): Use above constants instead of hard coded numbers.
774 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
775 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
776 (*return_16bit, *unnamed peepholes): Likewise.
778 2001-05-03 David O'Brien <obrien@FreeBSD.org>
780 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
781 rs6000/rs6000.h twice.
783 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
785 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
786 (CPP_SPEC): Conditionally define MSDOS and GO32.
787 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
788 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
790 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
792 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
794 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
796 2001-05-03 Mark Mitchell <mark@codesourcery.com>
798 * integrate.h (struct inline_remap): Add leaf_reg_map table.
799 * integrate.c (expand_inline_function): Use xcalloc to allocate
801 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
804 2001-05-03 Mark Mitchell <mark@codesourcery.com>
806 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
809 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
811 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
812 linker if -mrelax is given.
813 (TARGET_SWITCHES): Document -mrelax.
815 Re-installed 2001-01-09's patch:
816 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
817 if it's wider than long and the target's long is wider than the
820 2001-05-02 David O'Brien <obrien@FreeBSD.org>
822 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
823 directly include rs6000/rs6000.h. Instead do it in tm.h.
825 2001-05-02 Stan Shebs <shebs@apple.com>
827 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
828 NSConstantString for NeXT-style runtimes.
829 (STRING_OBJECT_GLOBAL_NAME): New macro.
830 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
831 OCTI_STRING_CLASS_DECL.
832 (constant_string_global_id): New macro.
833 (string_class_decl): Ditto.
834 (setup_string_decl): New function.
835 (build_objc_string_object): Use it to build a NeXT runtime
836 compatible string initializer.
838 2001-05-02 Jakub Jelinek <jakub@redhat.com>
840 * tradcpp.c (do_define): Make sure we don't walk past limit.
842 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
844 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
845 offsets if not REG_OK_STRICT.
847 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
848 (INT_REG_OK_FOR_INDEX_P): Likewise.
849 (INT_REG_OK_FOR_BASE_P): Likewise.
850 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
851 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
852 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
853 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
854 REG_OK_FOR_BASE_P. Take an additional parameter.
855 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
856 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
857 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
858 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
859 rs6000_legitimate_address() and use it.
860 * config/rs6000/rs6000.c: Update all callers.
861 (rs6000_legitimate_address): New function.
863 2001-05-02 David Edelsohn <edelsohn@gnu.org>
865 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
866 special_constant conditional blocks together.
868 2001-05-02 Dale Johannesen <dalej@apple.com>
870 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
872 (STRICT_ARGUMENT_NAMING): Define.
873 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
874 function_arg_partial_nregs, setup_incoming_varargs): Remove
875 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
878 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
880 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
882 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
885 * expr.c (store_field): Do nothing except elaborate side-effects if
888 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
890 * c-lex.c: NULL_PTR -> NULL.
892 * emit-rtl.c: Likewise.
894 * genpeep.c: Likewise.
896 * mips-tdump.c: Likewise.
897 * reload1.c: Likewise.
898 * rtlanal.c: Likewise.
900 * stor-layout.c: Likewise.
901 * toplev.c: Likewise.
903 2001-05-01 Per Bothner <per@bothner.com>
905 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
906 call do_pending_stack_adjust before emiting label.
908 2001-05-01 Mark Mitchell <mark@codesourcery.com>
910 * extend.texi: Fix typo.
912 2001-05-01 Stan Shebs <shebs@apple.com>
914 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
915 of UOBJC_MODULES_decl.
916 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
917 (generate_descriptor_table): Ditto.
918 (generate_protocols): Ditto.
919 (generate_protocol_list): Ditto.
920 (generate_classref_translation_entry): Ditto.
922 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
924 * invoke.texi (Optimize Options): Add documentation for `--param
925 max-delay-slot-insn-search' and `--param
926 max-delay-slot-live-search' and reorder --param section.
927 * params.def: Modify initial comment.
928 * params.h (param_info): Add `help' member.
929 * toplev.c (lang_independent_params): Include `help' description.
930 (display_help): Print --param parameters.
932 2001-05-01 Zack Weinberg <zackw@stanford.edu>
934 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
935 Remove references to deleted files.
936 (*-*-openbsd): No need to override xmake_file.
937 (*-*-sysv4): Treat like *-*-sysv.
939 * configure.in: Probe for ldopen in various places, and set up
940 collect2 to be linked with them if found.
941 Don't dink with Windows registry stuff unless $host_os is a
942 Win32 os name. Check to see if we need -ladvapi32.
943 * configure: Regenerate.
945 * Makefile: Get rid of CLIB and HOST_CLIB.
946 Substitute in COLLECT2_LIBS and link collect2 against its contents.
947 * build-make: Get rid of HOST_CLIB.
949 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
950 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
951 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
952 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
953 config/rs6000/x-rs6000: Delete.
955 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
958 24 x-host fragments remain, 0 x-cpu, 3 top level.
960 2001-05-01 Zack Weinberg <zackw@stanford.edu>
962 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
963 * configure: Regenerate.
965 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
967 * Makefile.in (install-headers): Remove redundant dependency.
969 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
971 * c-tree.texi (USING_STMT): Document.
973 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
975 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
976 * c-common.c: Likewise.
977 * c-decl.c: Likewise.
978 * combine.c: Likewise.
979 * rs6000.c: Likewise.
980 * except.c: Likewise.
981 * explow.c: Likewise.
983 * fold-const.c: Likewise.
984 * function.c: Likewise.
987 * integrate.c: Likewise.
989 * objc/objc-act.c: Likewise.
991 * reg-stack.c: Likewise.
992 * reload.c: Likewise.
993 * reload1.c: Likewise.
994 * simplify-rtx.c: Likewise.
996 * varasm.c: Likewise.
998 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1000 * diagnostic.def: New file.
1001 * diagnostic.h (diagnostic_t): New enum.
1002 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1004 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1006 * tsystem.h: Test only POSIX for availability of string.h
1008 * config.gcc (all systems): If USG appeared in xm_defines,
1009 change it to POSIX. If both USG and POSIX appeared, just
1010 delete USG. Remove unnecessary quotes around xm_defines
1012 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1013 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1014 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1015 powerpc-*-linux*): No need to set xm_defines - handled by
1016 global settings for *-*-linux*.
1018 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1020 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1021 Always include gstab.h, not system stab.h. Don't provide
1022 default definitions of N_CATCH or N_OPT. Always use the
1023 gstab.h variant of STAB_CODE_TYPE.
1024 * final.c: Don't include stab.h/gstab.h at all, or provide
1025 defaults for N_SLINE and N_SOL.
1027 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1028 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1030 * sdbout.c: Always include gsyms.h instead of system syms.h.
1032 * configure.in: No need to check for stab.h.
1033 * configure, config.in: Regenerate.
1034 * Makefile.in (final.o): Don't depend on gstab.h.
1036 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1037 Richard Henderson <rth@redhat.com>
1039 * extend.texi: Improve documentation of volatile asms.
1041 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1043 * c-tree.texi: Fix thinko.
1044 * gcc.texi: Likewise.
1046 2001-04-30 Richard Henderson <rth@redhat.com>
1048 * c-common.c (c_promoting_integer_type_p): New function, from the
1049 corpse of old macro. Properly promote too-small enumerations and
1050 booleans. Adjust all callers.
1051 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1052 (c_promoting_integer_type_p): Declare.
1053 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1054 * c-typeck.c: Likewise.
1055 (default_conversion): Remove now redundant boolean check.
1057 2001-04-30 Jan Hubicka <jh@suse.cz>
1058 Richard Henderson <rth@redhat.com>
1060 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1062 (combine_stack_adjustments_for_block): Don't combine stack
1063 allocation followed by deallocations. Handle grow-up stacks.
1065 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1067 * fdl.texi: New file.
1068 * c-tree.texi: Use the GFDL.
1069 * gcc.texi: Likewise.
1071 2001-04-30 Stan Shebs <shebs@apple.com>
1073 * invoke.texi: Add a section documenting Objective-C options.
1075 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1077 * emit-rtl.c (try_split): Copy EH notes to sequence.
1079 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1081 * regmove.c (record_stack_memrefs): Catch all references to the
1084 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1086 * Makefile.in(stmp-fixinc): quote shell assignment values
1088 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1090 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1094 * prefix.c: Likewise.
1096 2001-04-28 Stan Shebs <shebs@apple.com>
1098 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1099 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1100 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1101 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1103 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1104 (NEXT_OBJC_RUNTIME): Define.
1106 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1108 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1109 * simplify-rtx.c (simplify_gen_relational): Likewise.
1111 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1113 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1114 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1116 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1117 registers in SSE case; fix handling of the immediates.
1118 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1119 operands to be in regsiters before reload.
1120 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1121 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1122 (abstf,absxf,negtf,negxf splitters): Compute
1123 properly the regnum for x86_64.
1124 (avsdf2_if_rex64): New.
1126 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1128 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1129 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1130 into the constant pool.
1131 * jump.c (jump_optimize_1): Remove barrier successors after all
1132 the LABEL_NUSES counds have been computed.
1133 (delete_barrier_successors): When deleting a tablejump insn, also
1134 delete the jump table it uses.
1135 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1138 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1140 * pa.c (FRP): Remove erroneous white space in macro definition.
1142 2001-04-28 Andreas Jaeger <aj@suse.de>
1144 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1146 * extend.texi: Likewise.
1147 * tm.texi: Likewise.
1149 2001-04-28 Andreas Jaeger <aj@suse.de>
1151 * md.texi: Use XX-bit instead of XXbit or XX bit where
1154 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1156 * gcc.c (process_command): Allow -l lib in addition to -llib
1157 for POSIX compliance. This fixes PR c/2347.
1159 * invoke.texi: Update section on Link Options accordingly.
1161 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1163 * function.c (purge_addressof_1): Remove the duplicate
1164 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1167 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1169 * except.c (expand_eh_region_start): Don't start a new block.
1170 (expand_eh_region_end): Don't end a block.
1171 * stmt.c (expand_end_bindings): Don't end EH blocks.
1172 (expand_decl_cleanup): Starting an EH region won't change the block.
1173 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1174 (is_eh_region): Lose.
1177 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1179 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1181 * collect2.c (main): Add `-L' case to remove duplicate entries.
1182 (is_in_args): New function to check for a duplicate argument.
1183 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1184 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1185 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1186 Define to be nonzero.
1188 2001-04-27 Andreas Jaeger <aj@suse.de>
1189 Richard Henderson <rth@redhat.com>
1191 * md.texi (Machine Constraints): Document additional i386
1192 constraints and fix description of "A".
1194 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1196 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1198 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1200 * except.c (get_exception_filter): word_mode, not Pmode.
1202 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1204 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1205 common to other movsf patterns. Move up so that in future
1206 people who change the other patterns will change it too.
1207 (movsf_lo_sum): Allow even for soft-float; add appropriate
1209 (movsf_high): Likewise.
1210 (movsf_high+1): Allow even for soft-float.
1212 * function.c (expand_function_end): Always clobber the
1213 return registers, even if there is no return label.
1215 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1217 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1219 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1221 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1222 (pushqi2_rex64, pushhi2_rex64): Add.
1224 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1226 * except.c (expand_eh_region_end_cleanup): Force pending stack
1227 adjust before emitting label that branches around cleanup code.
1229 2001-04-26 H.J. Lu (hjl@gnu.org)
1231 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1233 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1235 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1236 (ASM_OUTPUT_SECTION_NAME): Likewise.
1237 (ASM_WEAKEN_LABEL): Likewise.
1238 (UNIQUE_SECTION): Likewise.
1239 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1240 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1241 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1242 (ASM_OUTPUT_SECTION_NAME): Likewise.
1243 (ASM_WEAKEN_LABEL): Likewise.
1244 (UNIQUE_SECTION): Likewise.
1245 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1246 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1247 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1248 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1249 (ASM_FILE_START): Likewise.
1250 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1251 (ASM_DECLARE_OBJECT_NAME): Likewise.
1252 (ASM_FILE_END): Likewise.
1253 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1254 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1255 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1256 (ASM_OUTPUT_CASE_LABEL): Likewise.
1257 (ASM_OUTPUT_SKIP): Likewise.
1258 (ASM_OUTPUT_ASCII): Likewise.
1259 (ASM_OUTPUT_IDENT): Likewise.
1260 (READONLY_DATA_SECTION): Likewise.
1261 (EXTRA_SECTIONS): Likewise.
1262 (EXTRA_SECTION_FUNCTIONS): Likewise.
1263 (SELECT_RTX_SECTION): Likewise.
1264 (SELECT_SECTION): Likewise.
1266 * config/mips/linux.h (INVOKE__main): Undefine.
1267 (CTOR_LIST_BEGIN): Likewise.
1268 (CTOR_LIST_END): Likewise.
1269 (DTOR_LIST_BEGIN): Likewise.
1270 (DTOR_LIST_END): Likewise.
1271 (SET_ASM_OP): Defined it to ".dummy".
1272 (ASM_OUTPUT_DEF): Defined.
1273 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1275 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1277 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1278 assembler supports .p2align.
1280 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1282 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1284 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1286 * integrate.c (expand_inline_function): Check for error_mark_node
1289 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1291 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1294 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1296 * configure.in (configargs.h): Define thread_model.
1297 * configure: Rebuilt.
1298 * gcc.c (main): Print it with -v.
1300 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1302 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1303 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1304 * gcc.1: Regenerate.
1306 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1308 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1309 is_redundant_typedef): Use static inline instead of inline static.
1311 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1313 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1314 this directory is always searched.
1316 2001-04-25 Richard Henderson <rth@redhat.com>
1318 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1319 of registers to restore along non eh_return path.
1321 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1323 * c-format.c (check_format_info_recurse): Handle
1324 PLUS_EXPR for format string.
1326 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1328 * config/ia64/ia64.h (CC1_SPEC): Define.
1329 * config/ia64/linux.h (CC1_SPEC): Define.
1331 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1333 * emit-rtl.c (constant_subword): Also do sign extension in
1334 BITS_PER_WORD == 16 case.
1336 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1338 * loop.c (try_swap_copy_prop): Go back to checking insn.
1340 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1342 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1343 if check_mode is non-zero.
1345 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1347 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1348 out and comparison sequence has been detected, put result into
1349 proper temporary pseudo.
1351 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1353 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1354 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1355 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1356 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1357 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1358 for future reference.
1360 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1362 * except.c (reachable_handlers): Step out one level from a RESX.
1364 * except.c (struct eh_region): Rename 'last' to 'resume'.
1365 (mark_eh_region, duplicate_eh_region_1): Adjust.
1366 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1367 (build_post_landing_pads): Likewise.
1368 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1369 (expand_eh_region_end_must_not_throw): Likewise.
1370 (connect_post_landing_pads): Thread (only) regions with non-deleted
1373 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1374 registers around the cleanup.
1375 (get_exception_filter): New fn.
1376 (finish_eh_generation): Use it.
1378 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1380 * c-semantics.c (add_scope_stmt): Don't call
1381 current_scope_stmt_stack multiple times.
1383 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1384 Nathan Sidwell <nathan@codesourcery.com>
1386 Lazy __FUNCTION__ generation.
1387 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1388 RID_C99_FUNCTION_NAME): New _RIDs.
1389 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1390 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1391 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1393 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1394 (c99_function_name_decl_node, function_name_decl_node,
1395 pretty_function_name_decl_node, saved_function_name_decls):
1397 (struct language_function): Remove x_function_name_declared_p.
1398 (make_fname_decl): Remove a parameter.
1399 (declare_function_names): Remove prototype.
1400 (start_fname_decls, finish_fname_decls): Prototype.
1401 (fname_as_string): Likewise.
1402 (fname_string, fname_decl): Likewise.
1403 * c-common.c (make_fname_decl): Adjust.
1404 (struct fname_var_t): New struct.
1405 (fname_vars): New static array.
1406 (declare_function_name): Remove.
1407 (start_fname_decls, finish_fname_decls): New functions.
1408 (fname_as_string): New function from remnants of
1409 declare_function_name.
1410 (fname_string, fname_decl): New functions.
1412 * c-decl.c (c_function_name_declared_p): Remove.
1413 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1414 don't call declare_function_name. Call start_fname_decls.
1415 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1416 clobber the line number. Call finish_decl.
1417 (start_function): Call start_fname_decls.
1418 (finish_function): Call finish_fname_decls.
1419 Remove c_function_name_declared_p.
1420 (push_c_function_context): Don't push c_function_name_declared_p.
1421 (pop_c_function_context): Don't pop c_function_name_declared_p.
1422 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1423 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1424 (program): Call finish_fname_decls for C.
1425 (primary): Add VAR_FUNC_NAME.
1426 (reswords): Add slots for __FUNCTION__ et al.
1427 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1428 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1429 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1430 * c-semantics.c (prune_unused_decls): Remove.
1431 (finish_stmt_tree): Don't call prune_unused_decls.
1432 (genrtl_decl_stmt): Don't prune unused decls here.
1434 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1436 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1437 constant pool, use the pool's SYMBOL_REF instead.
1439 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1442 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1444 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1445 passing nested NOP_EXPRs to fold.
1447 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1449 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1451 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1453 * loop.c (loop_delete_insns): Add prototype.
1455 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1457 * configure.in: Remove ENABLE_STD_NAMESPACE.
1458 * config.in: Regenerated.
1459 * configure: Regenerated.
1461 2001-04-22 Stan Shebs <shebs@apple.com>
1463 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1465 * config/rs6000/xm-darwin.h: Remove file.
1467 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1469 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1470 (write_c_file_stat): Likewise.
1472 * dbxout.c (dbxout_init): Likewise.
1474 * profile.c (output_func_start_profiler): Likewise.
1476 2001-04-22 Philipp Thomas <pthomas@suse.de>
1478 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1479 require it instead of the CVS version.
1480 * cpperror.c (v_message): Put a blank before the macro
1481 body to not confuse exgettext.
1483 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1485 * flow.c (proagate_one_insn): Remove useless assignment.
1486 * jump.c (delete_insn): Tidy.
1487 * loop.c (try_copy_prop): When deleting an instruction with a
1488 REG_RETVAL note, delete the entire libcall sequence.
1489 (loop_delete_insns): New function.
1490 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1491 we're not substituting into them yet.
1493 2001-04-21 Kazu Hirata <kazu@hxi.com>
1495 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1497 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1499 * config/i960/i960.c (signed_arith_operand): Likewise.
1501 * calls.c (expand_call): Fix a comment typo.
1503 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1505 * configure.in: Probe for times, clock, struct tms, and clock_t.
1506 * configure, config.in: Regenerate.
1507 * timevar.c: Replace ifdef forest in get_time with (relatively)
1508 straightforward series of checks based on autoconf's probes.
1510 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1512 * config/pa/som.h (NM_FLAGS): Define.
1514 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1516 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1518 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1519 * ia64.c (nop_cycles_until): New function.
1520 (prev_cycle, prev_first, last_issued): New static variables.
1521 (ia64_sched_reorder): Additional arg for clock.
1522 On final scheduling pass, emit extra NOPs as needed.
1523 Set prev_first and prev_cycle.
1524 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1525 (ia64_variable_issue): Set last_issued.
1527 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1529 * config/i386/i386.c (ix86_expand_int_movcc,
1530 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1532 2001-04-20 Geoff Keating <geoffk@redhat.com>
1534 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1535 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1536 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1537 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1538 ctrdi_internal6): In the short-branch case, this insn is only 4
1539 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1541 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1543 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1544 "=u" is used together with "st" resp. "st(1)" clobber.
1546 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1548 * gcse.c (gcse_main): Fix comment typo.
1549 (delete_null_pointer_check): Likewise.
1550 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1551 * cse.c (cse_insn): Likewise.
1552 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1555 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1557 * toplev.c: Excise all code for the undocumented -dm option.
1558 (float_signal): Call signal just once, unconditionally.
1560 2001-04-19 Geoff Keating <geoffk@redhat.com>
1562 * fold-const.c (fold): Use first_rtl_op rather than
1563 TREE_CODE_LENGTH when looping over parameters of a tree.
1564 Correct strange grouping in test for evaluated SAVE_EXPR.
1566 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1568 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1569 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1571 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1572 name at 32 total characters.
1573 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1574 functions in named sections -- data items can still go into unique
1575 sections, but they have normal names (ie $LIT$ and $DATA$).
1577 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1580 2001-04-19 DJ Delorie <dj@redhat.com>
1582 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1583 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1584 * config/i386/cygwin.h: Likewise.
1585 * config/i386/mingw32.h: Likewise.
1586 * config/vax/vms.h: Likewise.
1587 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1589 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1590 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1591 * config/i386/xm-cygwin.h: Likewise.
1592 * config/i386/xm-djgpp.h: Likewise.
1593 * config/i386/xm-mingw32.h: Likewise.
1594 * config/vax/xm-vms.h: Likewise.
1596 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1597 instead of OBJECT_SUFFIX.
1598 * collect2.c (find_a_file): Look for files matching the extension
1599 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1600 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1601 TARGET_EXECUTABLE_SUFFIX.
1602 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1603 (make_relative_prefix): Likewise.
1604 (convert_filename): Use TARGET_ suffixes throughout. Remove
1606 (process_command): Likewise.
1607 (do_spec_1): Likewise.
1608 * java/lang.c (init_parse): Likewise.
1610 * gcc.texi : Document four new options matching the pattern
1611 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1612 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1613 documentation for NO_AUTO_EXE_SUFFIX.
1615 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1617 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1618 that language-independent processing should not be done.
1619 * toplev.c (main): Adjust accordingly.
1621 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1622 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1624 * mips.md (reload_outputdi): Require that operand0 be a
1627 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1629 * invoke.texi (-Wshadow): Clarify.
1631 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1633 * loop.c (load_mems): Examine all the instructions in the loop
1634 before concluding that all jumps branch to the first instruction
1637 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1639 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1641 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1643 * cpp.texi (-Wwhite-space): Remove.
1644 (-Wall): -Wall does not imply -Wwhite-space.
1646 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1648 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1649 use it instead of blindly generating a .stabs.
1650 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1652 * xcoffout.c: Don't bother defining default for N_CATCH.
1653 (UNKNOWN_STAB): Use internal_error.
1654 (stab_to_sclass): Remove now-unnecessary aborts.
1655 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1657 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1659 * jump.c (mark_all_labels): Canonicalize the tail recursion
1660 label attached to CALL_PLACEHOLDER insns.
1662 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1664 * output.h (dump_flow_info, free_basic_block_vars,
1665 which_alternative): Delete redundant prototypes.
1667 * rtl.h (bss_section): Likewise.
1669 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1671 * dbxout.c (N_OPT): Define if not available from <stab.h>
1673 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1675 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1676 libraries and native K&R compilers.
1678 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1680 * c-typeck.c (convert_arguments): Don't check for width changes
1683 * invoke.texi (-Wtraditional): Update documentation.
1685 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1687 * toplev.c (output_lang_identify): Delete.
1688 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1689 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1690 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1691 after calling ASM_FILE_END.
1693 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1694 Instead, unconditionally emit an N_OPT stab with string equal
1695 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1697 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1699 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1700 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1701 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1702 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1703 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1704 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1705 config/i370/i370.h, config/i386/beos-elf.h,
1706 config/i386/osf1elf.h, config/i386/osfrose.h,
1707 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1708 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1709 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1710 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1711 config/mips/iris6.h, config/mips/osfrose.h,
1712 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1713 config/sparc/sp64-elf.h:
1714 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1715 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1717 * config/elfos.h, config/freebsd.h, config/linux.h,
1718 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1719 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1720 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1721 of ASM_FILE_START which merely emit a .version directive. Delete
1722 definitions of ASM_FILE_END which merely emit an .ident directive.
1724 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1725 ASM_IDENTIFY_GCC and move part of its logic into
1728 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1729 config/sparc/linux-aout.h: Don't emit .version directive in
1732 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1733 (output_file_start): Correct comment.
1735 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1736 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1738 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1739 * config/rs6000/aix.h: Correct comment.
1741 * config/i386/i386afe.h: Delete.
1742 * config.gcc: Remove references to i386afe.h.
1744 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1745 other macros deleted by this patch were undocumented.
1747 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1749 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1751 * pa.c (secondary_reload_class): SAR<->FP copies require a
1754 * install.texi (mips-mips-bsd): Update list of functions
1755 required to include memmove.
1756 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1757 used functions to include memmove.
1759 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1761 * i386.md (sqrtdf2): SFmode should be DFmode.
1763 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1765 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1766 (find_moveable_store): Likewise.
1768 2001-04-15 Jim Wilson <wilson@redhat.com>
1770 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1772 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1774 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1775 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1777 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1779 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1782 2001-04-14 Alan Modra <amodra@one.net.au>
1784 * pa.c (force_mode): New function.
1785 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1787 2001-04-13 Jim Wilson <wilson@redhat.com>
1789 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1790 (first_instruction): New static variable.
1791 (rtx_needs_barrier): Return 1 for alloc.
1792 (init_insn_group_barriers): Set first_instruction.
1793 (rws_sum): Delete duplicate definition.
1794 (group_barrier_needed_p): Return 0 when first_instruction true.
1795 (safe_group_barrier_needed_p): Save and restore first_instruction
1796 around group_barrier_needed_p call.
1798 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1800 * expr.h (enum libfunc_index): Add LTI_memmove.
1801 (memmove_libfunc): Define macro.
1802 * optabs.c (init_optabs): Initialize memmove_libfunc.
1803 * expr.c (expand_assignment): Use memmove_libfunc instead of
1806 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1808 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1811 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1813 * Makefile.in (reg-stack.o): Depend on reload.h.
1814 (insn-attrtab.o): Depend on flags.h.
1816 * genattrtab (main): Include flags.h in insn-attrtab.c.
1818 * reg-stack.c: Include reload.h.
1820 * sparc.h (flag_pic): Delete redundant declaration.
1822 * output.h (flag_pic): Likewise.
1824 * tree.h (pedantic): Likewise.
1826 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1828 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1830 * jump.c, regmove.c, toplev.c: Include reload.h.
1832 * reload.h (reload_cse_regs): Declare.
1834 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1835 reload_cse_regs, init_reload, mark_home_live, reload,
1836 init_caller_save): Delete redundant prototypes.
1838 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1840 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1842 * regclass.c, ssa.c: Include expr.h.
1844 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1845 gen_move_insn): Delete redundant declarations.
1847 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1849 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1850 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1851 MAKEINFO and MAKEINFOFLAGS too.
1852 (stage4_build): Correctly order -B flags.
1854 2001-04-13 Alan Modra <amodra@one.net.au>
1856 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1857 PIC_OFFSET_TABLE_SAVE_RTX.
1858 (zdepi_cint_p): Describe zdepi insn.
1859 Formatting and white space fixes throughout file.
1861 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1862 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1863 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1864 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1865 (output_64bit_and): Use plain `int's for shift counts.
1866 (output_64bit_ior): Likewise.
1867 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1868 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1871 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1872 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1873 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1874 NEW_HP_ASSEMBLER into one. Kill warnings.
1876 * pa-gas.h: Delete file.
1877 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1878 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1879 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1880 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1882 * config/pa/mill32.S: New file.
1883 * config/pa/mill64.S: New file.
1884 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1885 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1886 * config/pa/t-linux64: New file.
1887 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1888 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1889 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1891 * elfos.h (SELECT_SECTION): Undef before defining.
1892 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1893 (LIB_SPEC): Remove -lmilli.
1894 (DBX_REGISTER_NUMBER): Remove.
1895 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1896 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1897 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1898 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1899 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1900 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1901 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1902 TARGET_GAS): Define.
1903 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1904 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1905 regs if we don't have a prototype.
1906 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1907 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1908 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1909 EH_RETURN_HANDLER_RTX): Define.
1910 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1911 (DWARF_FRAME_REGNUM): Define.
1912 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1913 * pa32-linux.h: New file.
1914 * pa64-linux.h: New file.
1916 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1917 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1918 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1919 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1920 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1921 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1922 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1923 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1924 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1925 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1926 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1927 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1928 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1929 * pa64-hpux.h: New file.
1930 (ASM_FILE_START): Correct typo.
1931 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1932 * config.gcc: Modify for above.
1934 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1936 * jump.c (jump_optimize_1): Don't delete dead stores here.
1937 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1938 prior to running jump optimize before cse2.
1940 2001-04-12 Richard Henderson <rth@redhat.com>
1942 * Makefile.in (regmove.o): Depend on except.h.
1943 * regmove.c: Include it.
1945 2001-04-12 Stan Shebs <shebs@apple.com>
1947 * objc/objc-act.c: Remove all code ifdefed with the never-used
1948 macro OBJC_INT_SELECTORS.
1949 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1950 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1952 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1954 * config/pa/quadlib.c: Add prototypes.
1956 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1958 * bitmap.h (debug_bitmap): Delete redundant prototype.
1960 * rtl.h (get_frame_size): Likewise.
1962 2001-04-12 Jim Wilson <wilson@redhat.com>
1964 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1965 to just emit an fnorm.
1967 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1969 * c-common.h (truthvalue_conversion, type_for_mode,
1970 type_for_size): Delete redundant declarations.
1972 * c-lex.h (is_class_name): Likewise.
1974 * c-tree.h (pedantic, convert, getdecls, gettags,
1975 global_bindings_p, init_decl_processing, insert_block,
1976 maybe_build_cleanup, poplevel, print_lang_decl,
1977 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1978 set_block, incomplete_type_error, build_function_call,
1979 lvalue_or_else, mark_addressable): Likewise.
1981 * expr.h (expand_tree_builtin): Likewise.
1983 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1985 * invoke.texi: Document --param max-gcse-memory.
1987 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1989 * configure.in (errno): Check for declaration.
1990 * configure, config.in: Regenerated.
1992 * system.h (errno): Only declare if not already done.
1994 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1996 * recog.c (general_operand, immediate_operand,
1997 nonmemory_operand): Require CONST_INTs to be sign-extended
1998 values for their modes.
2000 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2002 * expmed.c (store_bit_field): Truncate CONST_INTs.
2003 (expand_mult_highpart, expand_divmod): Likewise.
2004 * expr.c (convert_modes, store_field): Likewise.
2005 * integrate.c (expand_inline_function): Use promote_mode() to
2006 determine whether to convert_modes() an argument as signed
2008 * optabs.c (expand_binop): Get CONST_INT operands
2009 sign-extended for their appropriate modes.
2010 * stmt.c (emit_case_nodes): Convert node values to the
2012 (expand_end_case): Convert minval and range to the appropriate
2014 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2015 the iteration variable.
2016 * varasm.c (immed_double_const): Don't require words to be
2017 narrower than host wide ints to properly sign-extend
2020 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2022 * sh.md (builtin_setjmp_receiver): New expander.
2024 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2026 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2027 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2028 for generating CONST_INT and CONST_DOUBLE.
2030 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2032 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2033 already sign-extended.
2034 (rs6000_emit_prologue): Make register iterator signed.
2035 (rs6000_emit_epilogue): Likewise.
2036 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2038 (movsf split, movdf split): Sign-extend CONST_INTs.
2039 (movdi splits): Likewise.
2041 2001-04-12 Kelley Cook <kelley.cook@home.com>
2043 * config-lang.in (lang_dirs): Add in zlib.
2045 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2047 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2048 operands that make it to RTL.
2050 2001-04-11 Stan Shebs <shebs@apple.com>
2052 Add Darwin (Mac OS X kernel) native support.
2053 * config.gcc (powerpc-*-darwin*): Add native bits.
2054 * config/darwin.c: New file, generic Darwin support functions.
2055 * config/darwin.h: New file, generic Darwin definitions.
2056 * config/darwin-protos.h: New file, generic Darwin prototypes.
2057 * rs6000/darwin.h: New file, Darwin for PowerPC.
2058 * rs6000/t-darwin: New file, Darwin makefile fragment.
2059 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2060 (TARGET_MACHO): Ditto.
2061 (rs6000_abi): Add ABI_DARWIN.
2062 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2063 (RS6000_SAVE_AREA): Ditto.
2064 (FP_ARG_MAX_REG): Ditto.
2065 (RETURN_ADDRESS_OFFSET): Ditto.
2066 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2068 (rs6000_emit_move): Add ABI_DARWIN cases.
2069 (print_operand): Ditto.
2070 (first_reg_to_save): Ditto.
2071 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2072 (debug_stack_info): Ditto.
2073 (rs6000_emit_prologue): Ditto.
2074 (rs6000_emit_epilogue): Ditto.
2075 (output_profiler_hook): Ditto.
2076 (output_function_profiler): Ditto.
2077 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2078 (output_mi_thunk): Add TARGET_MACHO case.
2079 (add_compiler_stub): Ditto.
2080 (output_compiler_stub): Ditto.
2081 (no_previous_def): Ditto.
2082 (output_call): Ditto.
2083 (machopic_output_stub): Ditto.
2084 (rs6000_machopic_legitimize_pic_address): Ditto.
2085 (toc_section): Ditto.
2086 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2087 (macho_high): Ditto.
2090 (load_macho_picbase): Ditto.
2091 (call): Add TARGET_MACHO case to modify function.
2092 (call_value): Ditto.
2093 (call_nonlocal_sysv): Add ABI_DARWIN case.
2094 (call_value_nonlocal_sysv): Ditto.
2095 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2097 (machopic_output_stub): Ditto.
2098 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2100 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2102 * dwarf2out.c (modified_type_die): Don't create new types here.
2103 * tree.h (get_qualified_type): New function.
2104 (build_qualified_type): Adjust comment.
2105 * tree.c (get_qualified_type): New function.
2106 (build_qualified_type): Use it.
2108 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2110 * cpp.texi (-Wtraditional): Update description.
2112 * invoke.texi (-Wtraditional): Likewise.
2114 2001-04-11 Jim Wilson <wilson@redhat.com>
2116 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2117 requires more than 64 bits of alignment.
2119 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2121 * cpplib.c (do_line): Sanity check iff enable checking.
2123 2001-04-11 Richard Henderson <rth@redhat.com>
2125 * Makefile.in (insn-recog.o): Depend on toplev.h.
2126 (insn-emit.o, doloop.o): Likewise.
2127 * genrecog.c, genemit.c: Include toplev.h in generated file.
2128 * doloop.c: Include toplev.h.
2130 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2132 * Makefile.in (gcse.o): Depend on params.h.
2133 * gcse.c: Include params.h.
2134 (gcse_main): Don't do GCSE if doing so will take inordinate
2136 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2137 * params.h (MAX_GCSE_MEMORY): New macro.
2139 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2143 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2145 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2147 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2149 * real.h (ereal_atof, real_value_truncate, target_isnan,
2150 target_isinf, target_negative, assemble_real, debug_real): Delete
2151 redundant prototypes.
2153 * Makefile.in (ifcvt.o): Depend on toplev.h.
2155 * c-semantics.c: Include expr.h.
2157 * ifcvt.c: Include toplev.h.
2159 * expr.h (rtx_equal_p): Delete prototype.
2161 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2162 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2163 eliminate_constant_term, expand_complex_abs, find_single_use,
2164 make_tree, init_expr_once, init_optabs, supports_one_only):
2167 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2168 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2169 expand_assignment, store_expr, emit_line_note_after,
2170 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2172 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2174 * sparc-protos.h: Delete redundant prototypes.
2176 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2178 * reload.c (push_reload): Add condition missed in SUBREG byte
2181 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2183 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2185 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2187 * i386.md (floatsisf_sse): Fix output template
2188 * i386.c (ix86_expand_fp_movcc)
2190 * reg-stack.c (emit_pop_insn): Handle complex modes.
2191 (move_for_stack_reg): Emit proper move mode.
2192 (subst_stack_regs_pat): Handle complex modes.
2194 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2196 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2198 2001-04-10 Richard Henderson <rth@redhat.com>
2200 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2201 (__pure_virtual, __terminate, __terminate_set_func,
2202 __default_terminate, __throw_type_match, __empty,
2203 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2204 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2205 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2206 Remove prototypes of deleted functions.
2208 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2210 * c-typeck.c (convert_arguments): -Wtraditional now activates
2211 -Wconversion warnings, except for changes in signed-ness.
2212 Detect complex<->int & int<->complex conversions as well.
2214 * invoke.texi (-Wtraditional): Document it.
2216 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2218 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2219 * flow.c (set_block_for_new_insns): Remove needless cast and
2220 properly check for unset block number.
2222 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2224 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2225 the subreg was a hard register. Pseudos are left as subregs.
2227 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2229 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2230 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2231 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2232 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2233 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2235 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2237 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2239 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2241 * output.h (set_block_num): Missed it earlier, remove deprecated
2244 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2246 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2247 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2248 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2249 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2250 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2251 (expr_killed_p): Change bb parameter from int to basic_block, pass
2252 basic_blocks instead of ints as parameters.
2253 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2254 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2255 from int to basic_block, pass basic_blocks instead of ints as parms.
2256 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2257 parameter from int to basic_block, pass basic_blocks instead of ints.
2258 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2259 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2260 pass basic_blocks instead of ints.
2261 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2262 basic_blocks instead of ints as parameters.
2263 (pre_delete): Pass basic_blocks instead of ints as parameters.
2264 (hoist_expr_reaches_here_p): Change bb parameter from int to
2265 basic_block, pass basic_blocks instead of ints.
2266 (hoist_code): Pass basic_blocks instead of ints as parameters.
2267 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2268 Change bb parameter from int to basic_block.
2269 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2270 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2271 pass basic_blocks instead of ints.
2272 (insert_store): Pass basic_blocks instead of ints as parameters.
2273 (replace_store_insn, delete_store): Change bb parameter from int to
2274 basic_block, pass basic_blocks instead of ints.
2275 (store_motion): Pass basic_blocks instead of ints as parameters.
2277 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2279 * basic-block.h (set_new_block_for_insns): New Prototype.
2280 (set_block_num): Delete prototype.
2281 * flow.c (set_block_num): Remove obsolete function.
2282 (set_block_for_new_insns): Set BB for single or multiple insns.
2283 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2284 (process_insn_end_bb): Use set_block_for_new_insns or
2285 set_block_for_insn instead of set_block_num.
2286 (pre_insert_copy_insn): Use set_block_for_new_insns.
2287 (update_ld_motion_stores): Use set_block_for_new_insns.
2288 (insert_insn_start_bb): Use set_block_for_new_insns.
2289 (replace_store_insn): Use set_block_for_new_insns.
2291 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2292 Jeff Law <law@redhat.com>
2294 * alias.c (get_addr): Externalize.
2295 (canon_true_dependence): New function. Behaves like true_dependance
2296 except it already assumes a MEM has been canonicalized.
2297 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2298 * gcse.c (struct ls_expr): Add load/store expressions structure.
2299 (modify_mem_list, canon_modify_mem_list): New variable.
2300 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2301 load motion and store motion if requested.
2302 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2303 (free_gcse_mem): Free the modify_mem_list array.
2304 (oprs_unchanged_p): Use load_killed_in_block_p.
2305 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2306 (mems_conflict_for_gcse_p): New function. Don't kill loads
2307 with stores to themselves if its in the load/store expression list.
2308 (load_killed_in_block_p): New function.
2309 (canon_list_insert): New Function.
2310 (record_last_mem_set_info): Keep a list of all instructions which
2311 can modify memory for each basic block.
2312 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2313 (oprs_not_set_p): Use load_killed_in_block_p.
2314 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2315 (expr_killed_p): Use load_killed_in_block_p.
2316 (compute_transp): Do not pessimize memory references.
2317 (pre_edge_insert): Update stores for a load motion expression.
2318 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2319 (ldst_entry): Find or create a ldst_expr structure.
2320 (free_ldst_entry): Free memory for an individual item.
2321 (free_ldst_mems): Free entire load/store expression list.
2322 (print_ldst_list): Print debug info.
2323 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2324 (enumerate_ldsts): Assign integer values to each entry in list.
2325 (first_ls_expr): First expression in the list.
2326 (next_ls_expr): Next expression in the list.
2327 (simple_mem): Check if expression qualifies for ld/st expression list.
2328 (invalidate_any_buried_refs): Remove from expression list if its
2329 used in some other way we dont understand.
2330 (compute_ld_motion_mems): Find all potential enhanced load motion
2332 (trim_ld_motion_mems): Remove any expressions which are invalid.
2333 (update_ld_motion_stores): Copy store values to registers for loads
2334 which have been moved.
2335 (regvec, st_antloc, num_store): New global statics.
2336 (reg_set_info): Marks registers as set.
2337 (store_ops_ok): Verfies registers expressions are valid in a block.
2338 (find_moveable_store): Look for moveable stores in a pattern.
2339 (compute_store_table): Find stores in a function worth moving, maybe.
2340 (load_kills_store): Check dependance of a load and store.
2341 (find_loads): Find any loads in a pattern.
2342 (store_killed_in_insn): Check if a store is killed in an insn.
2343 (store_killed_after): Check is store killed after an insn in a block.
2344 (store_killed_before): Check is store killed before an insn in a block.
2345 (build_store_vectors): Generate the antic and avail vectors.
2346 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2347 (insert_store): Add a store to an edge.
2348 (replace_store_insn): Replace a store with a SET insn.
2349 (delete_store): Delete a store insn.
2350 (free_store_memory): Free memory.
2351 (store_motion): Perform store motion.
2352 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2353 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2354 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2355 (f_options): Add gcse-lm and gcse-sm.
2357 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2359 * i386.c (expand_fp_movcc): Fix condition reversal code.
2361 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2362 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2363 (CLASS_MAX_NREGS): Use it.
2365 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2366 handle properly complex values.
2367 (CLASS_MAX_NREGS): Likewise; update comment.
2369 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2371 * ia64.c (ia64_flag_schedule_insns2): New variable.
2372 (ia64_override_options): Initialize it. Clear
2373 flag_schedule_insns_after_reload.
2374 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2376 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2378 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2379 Do not require source to match destination anymore;
2380 Add abort to the nontrivial cases that should be handled by split.
2381 (fix_trunc?fdi): Add SSE case for x86_64.
2382 (floatdi?f): Likewise.
2383 (floatdi?f_sse): New.
2384 (fix_trunc?fdi_sse): New.
2386 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2388 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2389 (DEBUG_ARANGES_END_LABEL): Ditto.
2390 (dwarfout_init): Generate length and version fields at the start
2391 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2392 after the length field.
2393 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2394 the .debug_aranges info.
2396 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2398 * i386.c (call, call_value): Make sure that resulting call_insn
2399 does have proper second operand.
2401 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2403 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2404 function. Remove include of sys/cygwin.h.
2406 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2408 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2409 (CPP_SPEC): Always search */include/w32api for header files.
2410 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2411 (LINK_SPEC): Add "cyg" to the library search prefixes.
2413 2001-04-08 Philip Blundell <philb@gnu.org>
2415 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2417 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2419 * cpperror.c (print_location): Don't special case <stdin>.
2420 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2421 WARNING, but we don't check if we're in system headers.
2422 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2423 * cpplib.c (do_warning): Warn in system headers.
2425 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2427 * mbchar.c: Include config.h first.
2429 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2431 * config.gcc: Set default for xmake_file at top, not bottom.
2432 Change places that set xmake_file to "none" to set to the
2433 empty string instead, or remove them entirely if there is no
2434 default xmake_file for this cpu_type. Remove references to
2437 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2438 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2439 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2440 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2441 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2442 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2443 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2444 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2445 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2446 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2449 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2450 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2451 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2452 config/mips/x-sysv, config/rs6000/x-aix31:
2453 Just set CLIB to -lld or -lmld, as appropriate.
2455 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2456 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2457 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2458 config/mips/x-iris, config/pa/x-pa:
2459 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2460 OTHER_FIXINCLUDES_DIRS.
2462 * config/i386/x-djgpp: Don't set LN or LN_S.
2463 * config/m88k/x-dolph: Don't define __m88k__.
2464 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2465 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2466 * config/i860/fx2800.h: No need to #undef SVR4.
2468 38 x-host fragments remain, 2 x-cpu.
2470 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2472 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2474 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2476 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2478 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2480 * configure.in: Add check for lstat.
2481 * configure, config.in: Regenerate.
2482 * cppinit.c (append_include_chain): Make empty path ".".
2483 * cpplib.c (do_line): Don't simplify #line paths.
2484 * cppfiles.c (remove_component_p): New function.
2485 (find_or_create_entry): Acknowledge stat () errors during
2486 path simplification.
2487 (handle_missing_header): Don't simplify paths.
2488 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2489 the empty path untouched. Don't leave a trailing '/'.
2491 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2493 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2494 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2496 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2498 * cppfiles.c (open_file): Fail directories silently, but
2499 with an errno of NOENT set.
2500 (read_include_file): Move the common exit code to the sole
2501 caller. Return an int indicating success or failure. Let
2502 open_file handle directories.
2503 (stack_include_file): If read_include_file fails,
2504 push a "null" buffer.
2506 2001-04-05 DJ Delorie <dj@redhat.com>
2508 * function.h (virtuals_instantiated): Declare.
2509 * function.c: (virtuals_instantiated): Make global.
2510 * calls.c (emit_library_call_value_1): Use
2511 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2512 Otherwise, use the stack pointer directly.
2514 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2516 * i386.c (x86_initialize_trampoline): New global function.
2517 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2518 (INITIALIZE_TRAMPOLINE): Move offline.
2519 * i386-protos.h (x86_initialize_trampoline): Declare.
2521 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2523 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2524 (lea_0): Rename to lea_1.
2525 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2526 (lea_general_?): Allow SImodes on TARGET_64BIT
2527 (lea_general_?_zext): New patterns.
2528 (call_1, call_1_rex64): Fix.
2530 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2532 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2534 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2536 * i386.c (function_arg): Return constm1_rtx for last argument.
2537 (ix86_expand_prologue): Update gen_call calls.
2538 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2539 * i386.md (call_pop): Likewise.
2540 (call): Second operand is VOIDmode.
2541 (call_0): Likewise; Support 64bits.
2542 (call_exp): New expander.
2543 (call_1): Get to the sync.
2544 (call_1_exp): New pattern.
2545 (call_value): Support 64bit.
2546 (call_value_exp): New pattern.
2547 (untyped_call): Update gen_call call.
2548 (call_value_pop): Disable for 64bit.
2549 (call_value_0_rex64): New pattern.
2550 (call_value_1_rex64): Likewise.
2552 2001-04-05 Bo Thorsen <bo@suse.de>
2554 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2556 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2558 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2559 satisfies ANY_QI_REG_P.
2561 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2563 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2566 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2569 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2571 * config.gcc: Remove default for xm_file. Clean up local
2572 machine type handling. Remove settings of xm_file to
2573 something that doesn't exist. In the big switch, set xm_file,
2574 don't append to it (the value before the big switch is always
2575 null). Don't force build_xm_file or host_xm_file to have a value.
2576 * configure.in: Remove default for xm_file. Do not special
2577 case $cpu/xm-$cpu.h not existing.
2578 * configure: Regenerate.
2580 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2582 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2583 when folding integer division and modulo operations.
2585 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2587 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2588 instead of DWARF2_ADDR_SIZE for EH addresses.
2589 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2592 2001-04-04 Richard Henderson <rth@redhat.com>
2594 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2595 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2596 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2598 2001-04-04 Richard Henderson <rth@redhat.com>
2600 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2601 * configure: Rebuilt.
2603 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2605 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2606 push insns to delete to it instead of deleting them.
2607 (delete_null_pointer_checks): Delete insns from delete_list after
2608 all delete_null_pointer_checks_1 passes are done.
2610 2001-04-04 Richard Henderson <rth@redhat.com>
2612 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2613 * configure: Rebuilt.
2615 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2617 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2618 * config/romp/xm-romp.h: Delete.
2620 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2622 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2625 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2627 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2628 all labels present in rtx.
2629 (try_split) Call new function for all split insns.
2631 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2633 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2634 sure the change won't be validated.
2636 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2638 * rtl.h (set_noop_p): Declare.
2639 * flow.c (set_noop_p): Move from here ...
2640 * rtlanal.c (set_noop_p): ... to here and enhance.
2641 * cse.c (delete_trivially_dead_insns): Use it.
2642 * gcse.c (hash_scan_set): Likewise.
2643 * jump.c (delete_noop_moves): Likewise.
2644 * recog.c (split_all_insns): Likewise.
2646 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2648 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2649 stack pointer via a LO_SUM. Ditto for setting a temp register
2650 used to save to the stack. Set cfa_temp when setting fp, and
2651 allow matches to cfa_temp in addition to cfa_store when saving
2652 regs. Handle POST_INC and LO_SUM register stores. Document the
2653 changes and errors in rule 12 doco.
2655 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2656 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2657 (load_reg): Move closer to epilogue code.
2658 (DO_FRAME_NOTES): Define to control the following..
2659 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2660 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2662 (hppa_expand_epilogue): Likewise.
2664 2001-04-03 Richard Henderson <rth@redhat.com>
2666 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2667 * configure: Rebuild.
2669 2001-04-03 Richard Henderson <rth@redhat.com>
2671 * rtl.h (LCT_THROW): New.
2672 * calls.c (emit_library_call_value_1): Handle it.
2673 * except.c (connect_post_landing_pads): Use it.
2675 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2677 * gansidecl.h: Delete file.
2678 * configure.in: Change all refs to gansidecl.h to use
2679 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2681 * configure: Regenerate.
2683 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2684 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2685 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2686 Don't include gansidecl.h.
2687 * intl.c, main.c, version.c, fixinc/fixlib.h,
2688 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2691 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2693 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2696 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2698 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2699 config/i386/xm-next.h, config/i386/xm-sco.h,
2700 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2701 config/m88k/xm-m88k.h: Delete.
2703 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2704 * config/romp/xm-romp.h: Don't define bcopy.
2705 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2706 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2708 * config.gcc: Remove references to deleted files.
2710 14 xm-host.h remain, 1 xm-cpu.h.
2712 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2713 David S. Miller <davem@pierdol.cobaltmicro.com>
2714 Andrew MacLeod <amacleod@redhat.com>
2716 Use byte offsets in SUBREGs instead of words.
2718 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2719 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2720 to pass new argument.
2721 (add_stored_regs): Use subreg_regno_offset function.
2722 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2724 (precompute_arguments): Use gen_lowpart_SUBREG.
2725 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2726 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2727 (simplify_set): Rework to use SUBREG_BYTE.
2728 (expand_field_assignment): Use SUBREG_BYTE.
2729 (make_extraction): Use SUBREG_BYTE.
2730 (if_then_else_cond): Use SUBREG_BYTE.
2731 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2732 (gen_lowpart_for_combine): Compute full byte offset.
2733 * cse.c (mention_regs): Use SUBREG_BYTE.
2734 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2735 (canon_hash): Use SUBREG_BYTE.
2736 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2737 (gen_lowpart_if_possible): Formatting.
2738 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2740 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2741 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2742 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2743 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2744 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2745 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2746 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2747 certain invariants about SUBREGs the compiler creates.
2748 (gen_lowpart_SUBREG): New function.
2749 (subreg_hard_regno): New function to get the final register number.
2750 (gen_lowpart_common): Use SUBREG_BYTE.
2751 (gen_imagpart): Spacing nits.
2752 (subreg_realpart_p): Use SUBREG_BYTE.
2753 (gen_highpart): Use SUBREG_BYTE.
2754 (subreg_lowpart_p): Always compute endian corrected goal offset,
2755 even at the byte level, then compare against that.
2756 (constant_subword): New function, pulled out all constant cases
2757 from operand_subword and changed second argument name to offset.
2758 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2759 and call constant_subword to do the work. Return const0_rtx if
2760 looking for a word outside of OP.
2761 (operand_subword_force): Change second arg name to offset.
2762 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2763 (store_split_bit_field): Use SUBREG_BYTE.
2764 (extract_bit_field): Use SUBREG_BYTE.
2765 (extract_split_bit_field): Use SUBREG_BYTE.
2766 (expand_shift): Use SUBREG_BYTE.
2767 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2768 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2769 * flow.c (set_noop_p): Use SUBREG_BYTE.
2770 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2771 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2772 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2774 (optimize_bit_field): Use SUBREG_BYTE.
2775 (purge_addressof_1): Use SUBREG_BYTE.
2776 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2777 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2778 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2779 * gengenrtl.c (special_rtx): Add SUBREG.
2780 * global.c (mark_reg_store): Use SUBREG_BYTE.
2781 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2782 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2783 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2784 final byte offset is congruent to subreg's mode size.
2785 (subst_constants): Use SUBREG_BYTE.
2786 (mark_stores): Use subreg_regno_offset function.
2787 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2788 function and SUBREG_BYTE.
2789 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2790 (reg_is_born): Use subreg_hard_regno.
2791 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2792 endian correction code. Don't combine subregs unless resulting
2793 offset aligns with type. Fix subreg constant extraction for DImode.
2794 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2795 (general_operand): Remove dead mode_altering_drug code.
2796 (indirect_operand): Use SUBREG_BYTE.
2797 (constrain_operands): Use subreg_regno_offset function.
2798 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2799 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2800 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2801 * regs.h (REG_SIZE): Allow target to override.
2802 (REGMODE_NATURAL_SIZE): New macro which target can override.
2803 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2804 on the entire subreg rtx.
2805 (push_reload): Use SUBREG_BYTE in comments and code.
2806 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2807 for hard registers inside subregs.
2808 (operands_match_p): Use subreg_regno_offset.
2809 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2810 containing hard regs.
2811 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2812 corrections when fixing up MEM subregs.
2813 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2814 subreg_regno_offset where appropriate.
2815 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2816 byte endian corrections when fixing up MEM subregs.
2817 (subst_reloads): When combining two subregs, make sure final
2818 offset is congruent to subreg's mode size.
2819 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2820 (refers_to_regno_for_reload_p): Use subreg_regno.
2821 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2822 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2823 correction code for memory subreg fixups.
2824 (forget_old_reload_1): Use subreg_regno_offset.
2825 (choose_reload_regs): Use subreg_regno.
2826 (emit_input_reload_insns): Use SUBREG_BYTE.
2827 (reload_combine_note_store): Use subreg_regno_offset.
2828 (move2add_note_store): Use subreg_regno_offset.
2829 * resource.c (update_live_status, mark_referenced_resources): Use
2830 subreg_regno function.
2831 (mark_set_resources): Use subreg_regno function.
2832 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2833 (subreg_regno_offset, subreg_regno): Define prototypes.
2834 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2835 (gen_lowpart_SUBREG): Add prototype.
2836 * rtl.texi (subreg): Update to reflect new byte offset representation.
2837 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2838 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2839 (reg_overlap_mentioned_p): Use subreg_regno.
2840 (replace_regs); Make sure final offset of combined subreg is
2841 congruent to size of subreg's mode.
2842 (subreg_regno_offset): New function.
2843 (subreg_regno): New function.
2844 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2845 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2846 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2847 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2848 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2849 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2850 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2851 (print_operand): Use SUBREG_BYTE.
2852 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2853 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2854 (arm_reload_out_hi): Use SUBREG_BYTE.
2855 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2856 instead of SUBREG_WORD.
2857 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2858 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2859 SUBREG creation to use byte offset.
2860 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2861 inverted load insns): Fix explicit rtl subregs to use byte
2863 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2864 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2865 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2866 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2867 to use byte offsets.
2868 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2869 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2870 offsets, also make sure it is congruent to SUBREG's mode size.
2871 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2872 unnamed ldob insn): Generate SUBREGs with byte offset.
2873 (zero_extendqihi2): SUBREG's are byte offsets.
2874 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2875 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2876 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2877 zero-extendqisi2): Generate SUBREGs with byte offset.
2878 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2879 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2880 subregs in rtl to use byte offsets.
2881 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2882 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2883 (mips_move_2words): Use subreg_regno_offset.
2884 (mips_secondary_reload_class): Use subreg_regno_offset.
2885 * config/mips/mips.md (DImode plus, minus, move, and logical op
2886 splits): Fixup explicit subregs in rtl to use byte offsets.
2887 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2888 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2889 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2890 rtl to use byte offsets.
2891 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2892 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2893 subregs to use byte offsets.
2894 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2895 Fixup explicit subregs in rtl to use byte offsets.
2896 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2897 and remove byte endian correction code.
2898 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2899 (gen_ashift_hi): Use SUBREG_BYTE.
2900 (regs_used): Use subreg_regno_offset.
2901 (machine_dependent_reorg): Use subreg_regno_offset.
2902 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2903 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2904 (movdf_i4): Subregs are byte offsets now.
2905 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2906 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2907 (REGMODE_NATURAL_SIZE): Override.
2908 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2909 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2911 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2912 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2913 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2914 it is congruent to SUBREG's mode size.
2915 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2917 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2918 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2919 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2920 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2921 * config/v850/v850.c (print_operand, output_move_double): Use
2922 subreg_regno function.
2924 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2926 * configure.in (target_subdir): Use target_alias, not target.
2927 * configure: Rebuilt.
2929 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2931 * config/sh/crti.asm: Fix typos in comments.
2933 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2935 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2936 TARGET_FAST_INDIRECT_CALLS.
2937 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2939 (return_addr_rtx): Short circuit export stub matching when
2940 TARGET_NO_SPACE_REGS.
2941 (output_millicode_call): For out of range calls, make -fPIC
2942 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2943 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2944 * pa.md: Modify length attr calculation of all millicode insns to
2947 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2949 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2950 Require at least 2.11 in the version test. Specifically check
2951 for and reject GAS version 2.10.90.
2952 * configure: regenerate.
2954 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2956 * pa.c (override_options): Remove PIC profiling warning.
2957 (hp_profile_labelno): Delete.
2958 (hp_profile_label_rtx): Delete.
2959 (hp_profile_label_name): Delete.
2960 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2961 (output_function_prologue): Remove profiling code and all tests on
2962 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2963 merge_sp_adjust_with_store can work for PIC and profiling.
2964 (hppa_expand_epilogue): Remove profile_flag test.
2965 (hppa_can_use_return_insn_p): Likewise.
2966 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2967 cater for PROFILE_HOOK.
2968 (hppa_profile_hook): New function.
2969 * pa.h (FUNCTION_PROFILER): Now does nothing.
2970 (PROFILE_HOOK): Define.
2971 (hppa_profile_hook): Declare.
2972 (PROFILE_BEFORE_PROLOGUE): Delete.
2973 (ASM_OUTPUT_REG_PUSH): Delete.
2974 (ASM_OUTPUT_REG_POP): Delete.
2975 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2976 r24. Accept function name operand, and use this and a locally
2977 generated label to calculate pc-rel offset to func start.
2979 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2981 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2982 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2985 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2987 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2988 LO_SUM cases to where they belong.
2990 2001-04-02 Richard Henderson <rth@redhat.com>
2992 * except.h (lang_eh_type_covers): Mark extern.
2993 (lang_eh_runtime_type): Likewise.
2995 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2997 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2998 gengenrtl.c: Wrap generated header in multiple-include guard.
2999 Improve error checking.
3001 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3003 * configure.in: Don't check for putenv.
3004 * configure: Regenerate.
3005 * gcc.c (putenv): Don't define.
3006 * vax/xm-vms.h: Handle putenv.
3008 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3010 * ifcvt.c (noce_emit_move_insn): New.
3011 (noce_try_store_flag, noce_try_store_flag_constants,
3012 noce_try_store_flag_inc, noce_try_store_flag_mask,
3013 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3014 noce_try_abs): Use it.
3015 (noce_process_if_block): Likewise.
3016 For STRICT_LOW_PART, take mode from its SUBREG.
3018 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3020 * fold-const.c (fold): Before optimizing unsigned comparison with
3021 0x7fffffffU, make sure arg0 is integral type.
3023 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3025 * c-tree.texi: Document representation of wide strings.
3027 2001-04-01 Richard Henderson <rth@redhat.com>
3029 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3031 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3033 * i386.md: remove obsoleted comments.
3034 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3035 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3036 fix output template.
3038 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3040 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3042 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3044 * loop.c (load_mems): When generating a load from a pseudo, update
3047 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3049 * i386.c (ix86_split_long_move): Use change address to compensate
3050 stack pointer change in push instruction.
3052 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3054 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3055 instead of rtx_equal_p; fix the output template.
3057 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3059 * i386.c (ix86_expand_setcc): Support 64bit.
3060 (ix86_expand_int_movcc): Likewise.
3061 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3064 * i386.md (allocate_stack_worker): Turn to expander.
3065 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3067 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3069 2001-03-29 Richard Henderson <rth@redhat.com>
3071 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3073 2001-03-28 Matthew Hiller <hiller@redhat.com>
3075 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3078 * MAINTAINERS: Added self.
3080 2001-03-28 Richard Henderson <rth@redhat.com>
3082 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3083 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3085 2001-03-28 Jim Wilson <wilson@redhat.com>
3087 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3090 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3092 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3094 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3097 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3099 2001-03-28 DJ Delorie <dj@redhat.com>
3101 * Makefile.in (stage1_build): Revert CFLAGS patch.
3103 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3105 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3106 when multiplier or multiplicand is zero.
3108 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3110 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3112 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3114 (set_src_needs_barrier): Likewise.
3115 (rtx_needs_barrier): For SET case, use these two functions. Rework
3116 PARALLEL case to handle all inputs before all outputs.
3117 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3118 saw a label and no stop bit since then.
3119 (maybe_rotate, process_epilogue): Add prototypes.
3121 2001-03-28 Richard Henderson <rth@redhat.com>
3123 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3124 not TARGET_TOC for special toc restore handling.
3125 * config/rs6000/rs6000.md (eh_return): Likewise.
3127 2001-03-28 Richard Henderson <rth@redhat.com>
3129 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3130 current_function_calls_eh_return.
3131 (output_function_epilogue): Handle eh_return.
3132 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3133 (EH_RETURN_DATA_REGNO): New.
3134 (EH_RETURN_STACKADJ_RTX): New.
3135 (EH_RETURN_HANDLER_RTX): New.
3136 * config/sparc/sparc.md (call/short branch peepholes): Check
3137 can_throw_internal instead of in_same_eh_region.
3139 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3140 for eh_return data registers.
3141 (rs6000_emit_prologue): Save eh_return data registers.
3142 (rs6000_emit_epilogue): Force inline restores if eh_return.
3143 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3144 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3145 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3146 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3147 the target uses one.
3148 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3149 (return_eh_si, return_eh_di): Remove.
3150 (eh_return): New, from corpse of eh_epilogue.
3151 (eh_set_lr_si, eh_set_lr_di): New.
3153 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3154 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3155 True for pic register if current_function_calls_eh_return.
3156 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3157 Handle eh_return requirements.
3158 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3159 (EH_RETURN_STACKADJ_RTX): New.
3160 * config/i386/i386.md (exception_receiver): Remove.
3161 (eh_return, eh_return_1): New.
3162 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3164 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3165 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3166 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3167 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3168 (EH_RETURN_DATA_REGNO): New.
3169 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3170 * config/alpha/alpha.md (eh_epilogue): Remove.
3171 (exception_receiver): Use $26 for ldgp input.
3172 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3174 2001-03-28 Richard Henderson <rth@redhat.com>
3176 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3177 * except.h: Likewise.
3179 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3180 (LIB2ADDEHDEP): New.
3181 (LIB2FUNCS_EH): Remove.
3182 (LIB2ADD): Remove LIB2ADDEH.
3183 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3184 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3185 (crt{begin,end}[S].o): Likewise.
3186 (except.o): Update includes.
3187 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3188 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3190 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3191 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3192 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3193 * builtins.c (expand_builtin): Implement it.
3194 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3195 * c-common.c (c_common_nodes_and_builtins): Declare it.
3196 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3197 * calls.c (libfunc_nothrow): Remove.
3198 (emit_library_call_value_1): Don't call it.
3199 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3200 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3201 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3202 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3203 (current_funcdef_number): Globalize.
3204 (output_call_frame_info): Emit frame data if an lsda is needed.
3205 Generate augmentation for personality routine. Don't play with
3207 (dwarf2out_begin_prologue): Record funcdef_number.
3208 * dwarf2out.h (current_funcdef_number): Declare.
3209 * expr.c (expand_expr): Update for except.h name changes.
3210 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3211 * expr.h (LTI_throw, LTI_rethrow): Remove.
3212 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3213 (LTI_eh_rtime_match): Remove.
3214 (LTI_unwind_resume, LTI_eh_personality): Add.
3215 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3216 * final.c (final): Don't call check_exception_handler_labels,
3217 init_insn_eh_region, or free_insn_eh_region.
3218 (final_scan_insn): Always emit debug labels for
3219 NOTE_INSN_EH_REGION notes.
3220 * flags.h (flag_new_exceptions): Remove.
3221 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3222 (record_active_eh_regions): Remove.
3223 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3224 Use can_throw_internal.
3225 (find_basic_blocks_1): Likewise.
3226 (move_stray_eh_region_notes): Remove.
3227 (find_label_refs): No eh_return_stub_label.
3228 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3229 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3231 (delete_unreachable_blocks): Don't track deleted handlers.
3232 (flow_delete_block): Use maybe_remove_eh_handler.
3233 (delete_eh_regions): Remove.
3234 (merge_blocks): Don't check for eh region match.
3235 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3236 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3237 (init_propagate_block_info): Disable dead frame store optimization
3238 when current_function_calls_eh_return.
3239 (dump_bb): Don't print eh_beg, eh_end.
3240 * function.c (fixup_var_refs): No catch_clauses.
3241 (expand_function_end): Likewise. Call expand_eh_return before
3242 the return register use. Call sjlj_emit_function_exit_after.
3243 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3244 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3245 * ifcvt.c (dead_or_predicable): Remove eh region check.
3246 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3247 Don't check for EH vs parameters.
3248 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3249 (expand_inline_function): Call duplicate_eh_regions.
3250 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3251 (copy_insn_notes): Remap REG_EH_REGION notes.
3252 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3253 * integrate.h (struct inline_remap): Add local_return_label.
3254 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3255 check_exception_handler_labels, nor exception_optimize.
3256 (find_cross_jump): No EH region check.
3257 * optabs.c (init_optabs): Update for changed eh libfuncs.
3258 * rtl.def (RESX): New.
3259 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3260 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3261 checks. Update for except.h name changes.
3262 (expand_cleanups): Likewise.
3263 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3264 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3265 (compile_file): Call init_eh before init_optabs. Don't
3266 output_exception_table here.
3267 (rest_of_compilation): Call convert_from_eh_region_ranges,
3268 convert_to_eh_region_ranges, output_function_exception_table.
3269 Don't emit_eh_context.
3270 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3271 (EXC_PTR_EXPR): New.
3273 * md.texi (eh_epilogue): Remove.
3274 (eh_return): Document.
3275 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3276 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3278 * eh-common.h: Remove file.
3279 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3280 * libgcc2.c (L_eh): Remove.
3282 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3283 * unwind-dw2-fde.h: New file.
3284 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3285 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3286 * libgcc-std.ver: Update for eh symbols.
3288 2001-03-27 Richard Henderson <rth@redhat.com>
3290 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3291 reduce false positives.
3292 (regmove_optimize): Disable if flag_non_call_exceptions.
3294 * stmt.c (expand_return): Remove always true predicate.
3295 (expand_decl_cleanup_no_eh): Remove dead code.
3297 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3298 barrier code. Add a scheduling barrier if a non-call insn
3299 can throw internally.
3301 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3302 Auto-inc addresses trap only if their base register does.
3304 * except.c (can_throw_internal): Rename from can_throw.
3305 * except.h, resource.c: Update references.
3307 * integrate.c (copy_insn_list): Use returnjump_p.
3308 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3310 * function.h (struct function): Move all boolean valued fields
3311 to single bit fields at the end of the struct.
3313 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3315 Rename asynchronous_exceptions to flag_non_call_exceptions.
3317 * gthr-single.h (UNUSED): New. Distinguish between how C
3318 and C++ mark unused function arguments. Use throughout.
3320 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3321 value to target configuration header.
3322 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3323 * config.in, configure: Rebuild.
3324 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3325 configuration and target defines.
3326 (exceptions_via_longjmp): Remove.
3327 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3328 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3330 * except.h (flag_non_call_exceptions): Move ...
3331 * flags.h: ... here.
3333 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3334 exceptions, put the note on the trapping instruction.
3336 * flags.h (flag_new_exceptions): Remove.
3337 * toplev.c: Don't set it.
3338 * final.c: Don't check it.
3339 * except.c: Provide stub definition.
3341 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3342 (calculate_global_regs_live): Kill call-clobbered registers
3343 across exception edges.
3344 * reg-stack.c (convert_regs_1): Kill the entire target stack
3345 across non-call exception edges.
3347 * flow.c (cleanup_cfg): Take no argument.
3348 * output.h, sibcall.c, toplev.c: Update all calls.
3350 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * configure.in: Don't check for bcopy.
3353 * configure, config.in: Regenerate.
3355 * system.h: Don't define or prototype bcopy, instead poison it.
3357 2001-03-27 Richard Henderson <rth@redhat.com>
3359 * function.c (expand_function_start): Set DECL_REGISTER on
3360 a pseudo used for DECL_RESULT.
3362 * rtl.h (LCT_NORETURN): New.
3363 * calls.c (emit_library_call_value_1): Handle it.
3365 2001-03-27 Stan Shebs <shebs@apple.com>
3367 * objc/objc-act.c (objc_init): Use dump_base_name.
3368 (gen_declaration): Clear the buffer arg.
3369 (gen_declaration_1): New function, body of gen_declaration.
3370 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3371 (gen_method_decl): Ditto, plus always clear buffer arg.
3372 (error_with_ivar): Simplify.
3373 (warn_with_method): Ditto.
3374 (build_message_expr): Don't clear buffers.
3375 (dump_interface): Ditto.
3376 (objc_debug): Ditto.
3377 (build_keyword_selector): Clear the buffer by only zeroing
3379 (objc_implementation_context): Declare.
3380 (start_class): Warn about missing @end.
3381 (finish_objc): Ditto.
3383 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3385 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3387 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3389 * Makefile.in (SYSTEM_H): Define.
3390 Depend on $(SYSTEM_H), not system.h.
3392 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3394 2001-03-27 Jim Wilson <wilson@redhat.com>
3396 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3398 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3399 (process_epilogue): New static function.
3400 (process_set): Call process_epilogue instead of emitting .restore
3402 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3404 * flow.c (struct reg_cond_life_info): New fields orig_condition
3406 (init_propagate_block_info): Set new fields.
3407 (mark_regno_cond_dead): Set and use new fields.
3408 (flush_reg_cond_reg_1): Likewise.
3409 (and_reg_cond, case AND): Check for redundant AND conditions.
3410 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3413 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3415 * cppmacro.c (stringify_arg): Null terminate strings.
3417 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3419 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3420 inclusion style. xm-m68hc11.h no longer exists.
3421 * config/m68hc11/xm-m68hc11.h: Delete file.
3422 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3424 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3425 Don't define GCC_VERSION, N_, or PARAMS; don't include
3426 gansidecl.h or stdio.h. Define inhibit_libc here.
3427 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3428 Delete code conditioned on #if GCC_VERSION == 2095.
3430 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3431 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3432 Delete code conditioned on #if GCC_VERSION == 2095.
3434 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3436 * system.h: Include symcat.h.
3437 (STRINGIFY): Don't define.
3439 * configure.in: Adjust comment.
3441 * builtins.c: Use STRINGX, not STRINGIFY.
3442 * gencheck.c: Likewise.
3443 * gengenrtl.c: Likewise.
3444 * protoize.c: Likewise.
3446 * cpplex.c: Don't include symcat.h.
3447 * cpplib.c: Likewise.
3449 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3451 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3453 * c-typeck.c (digest_init): Fold init expression.
3455 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3457 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3459 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3461 * except.c (eh_regs): Save results of build_pointer_type to a temp
3462 as FUNCTION_VALUE macro may evaluate its args multiple times.
3464 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3466 * c-common.h (DECL_NUM_STMTS): New macro.
3467 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3469 (pushdecl): Likewise.
3470 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3471 * integrate.c (expand_inline_function): Don't check
3473 * print-tree.c (print_node): Don't print it.
3474 * toplev.c (rest_of_compilation): Don't try to inline when
3475 flag_no_inline is on.
3476 * tree.h (DECL_FRAME_SIZE): Remove.
3477 (tree_decl): Adjust accordingly.
3479 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3481 * combine.c (try_combine): Use memcpy, not bcopy.
3483 * genattrtab.c (expand_units): Likewise.
3485 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3487 * i386.md (push mem DI peep2): New.
3488 (mov 0, mov -1 peep2): Handle 64bit.
3489 (lea to arithmetics peep2): Handle 64bit leas.
3490 (rsp arithmetics to push/pop peep2s): New.
3492 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3494 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3496 * i386.c (struct machine_function): Add save_varrargs_registers.
3497 (ix86_save_varrargs_registers): New macro.
3498 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3499 (ix86_expand_prologue): Likewise.
3500 (ix86_emit_epilogue_esp_adjustement): Likewise.
3501 (ix86_expand_epilogue): Likewise.
3502 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3503 (pro_epilogue_adjust_stack_1): New insn.
3504 (pro_epilogue_adjust_stack_rex64): Likewise.
3505 * i386.h (MASK_NO_RED_ZONE): New constant.
3506 (TARGET_RED_ZONE): New macro.
3507 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3508 (RED_ZONE_SIZE): New constant.
3509 (RED_ZONE_RESERVE): New constant.
3511 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3513 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3515 2001-03-25 Kazu Hirata <kazu@hxi.com>
3517 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3520 (umodhi3): Likewise.
3523 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3525 * mkconfig.sh (DEFINES): Handle entries with '='.
3527 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3528 Set xm_defines to MACRO=value instead.
3530 * i370/xm-mvs.h: Delete.
3532 * ns32k/xm-pc532-min.h: Likewise.
3534 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3536 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3538 use ix86_expand_binary_operator
3539 (?sh??i_?): Disable for 64bit.
3540 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3541 * i386.c (shiftdi_operand): New predicate.
3543 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3544 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3545 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3546 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3547 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3548 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3549 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3550 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3551 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3552 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3553 (rotldi3, rotrdi3): New expanders.
3555 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3557 * i386.md (movstrsi): Move offline.
3559 (strmovdi_rex64): New.
3560 (strmov?i): Accept 64bit.
3561 (strmov?i_rex64): New.
3562 (strmov?i_rex_1): New.
3563 (strmov?i_1): Disable for 64bit.
3564 (rep_mov?i_rex64): New.
3565 (rep_mov?i): Disable for 64bit.
3566 (clrstrsi): Move offline.
3567 (strset?i_rex64): New.
3568 (strset?i: Accept 64bit.
3569 (rep_stos?i): Disable for 64bit.
3570 (rep_stos?i_rex64): New.
3571 (strset?i_rex_1): New.
3572 (strset?i_1): Disable for 64bit.
3573 (cmpstrsi): Accept 64bit.
3574 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3575 (cmpstrqi_nz_rex_1): New.
3576 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3577 (strlensi): Move offline.
3579 (strlenqi_1): Disable for 64bit; fix constraints.
3580 (strlenqi_rex_1): New.
3581 * i386.c (ix86_adjust_counter): New static function.
3582 (ix86_zero_extend_to_Pmode): Likewise.
3583 (ix86_expand_aligntest): Likweise.
3584 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3585 (ix86_expand_movstr): New global function.
3586 (ix86_expand_clrstr): New global function.
3587 (ix86_expand_strlen): New global function.
3588 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3589 ix86_expand_strlen): Declare.
3590 (ix86_expand_strlensi_unroll_1): Delete.
3592 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3594 * i386.md (cmpdi): Fix operand predicates.
3595 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3596 cmpdi_1_insn_rex64): New patterns.
3597 (adddi3): Turn to expander.
3598 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3599 (addsi3_carry_zext): New pattern.
3600 (adddi_?_rex64): New patterns and splitters.
3601 (addsi_?_zext): New patterns.
3602 (subsi3_carry_zext): New pattern.
3603 (subdi_?_rex64): New patterns and splitters.
3604 (iorsi_?_zext): New patterns.
3605 (iordi_?_rex64): New patterns and splitters.
3606 (iorsi_?_zext): New patterns.
3607 (iorsi_?_zext_imm): New patterns.
3608 (xorsi_?_zext): New patterns.
3609 (xordi_?_rex64): New patterns and splitters.
3610 (xorsi_?_zext): New patterns.
3611 (negdi*): New patterns.
3612 (one_cmpldi*): Likewise.
3613 (one_cmplsi*_zext, negsi*_zext): Likewise.
3614 (testqi_ext_3_rex64): New pattern.
3616 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3618 * i386-protos.h (ix86_split_long_move): Return void.
3619 * i386.c (ix86_split_to_parts): Handle 64bit target.
3620 (ix86_split_long_move): Likewise.
3621 * i386.md (all calls to ix86_split_long_move): Update.
3623 2001-03-23 Richard Henderson <rth@redhat.com>
3625 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3626 to avoid shadowing arguments.
3628 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3630 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3631 to variable names where DECL_NAME is different from
3632 DECL_ASSEMBLER_NAME.
3634 2001-03-23 Jim Wilson <wilson@redhat.com>
3636 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3637 (assemble_alias): Call make_decl_rtl.
3639 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3641 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3643 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3645 * extend.texi: Document the "java_interface" attribute.
3647 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3649 * mkconfig.sh: Use a subshell with redirected stdout,
3650 instead of closing stdout and confusing commands that run
3651 afterward. Throw away output of cmp.
3653 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3655 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3657 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3659 * i386.md (zero_extendsidi2_32): Break out from ...
3660 (zero_extendsidi2): ... here ; turn to expander.
3661 (zero_extendsidi2_rex64): New.
3662 (extendsidi2_32): Break out from ...
3663 (extendsidi2): ... here ; turn to expander.
3664 (extendsidi2_rex64): New.
3665 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3666 (trunc?f?f splitters): Add 64bit versions.
3668 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3670 * i386.md (pushsi, pushsi2_prologue): Disable.
3671 (pushsi2_rex64): New.
3672 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3673 (movqi_ext_1): Disable for 64bit.
3674 (movqi_ext_1_rex64): New.
3675 (pushdi2_rex64): New pattern, peep2s and splitter.
3676 (pushdi2_prologue_rex64): New pattern.
3677 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3679 (movdi splitters): Disable for 64bit.
3680 (movdi_1_rex64): New pattern, peep2s and splitters.
3681 (swapdi): New pattern.
3682 (pushsf): Disable for 64bit.
3683 (pushsf_rex64): New pattern and splitter.
3684 (pushdf_nointeger): Disable for 64bit.
3685 (pushdf_integer): Handle the 64bit case.
3686 (pushtf): Likewise; update splitters.
3688 2001-03-22 Richard Henderson <rth@redhat.com>
3690 * mkconfig.sh: Include insn-flags.h.
3691 * Makefile.in (CONFIG_H): Include insn-flags.h.
3692 (lots of objects): Remove insn-codes.h and insn-flags.h.
3694 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3695 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3696 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3697 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3698 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3699 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3700 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3701 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3702 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3703 v850/v850.c, vax/vax.c:
3704 Don't include insn-flags.h.
3706 * diagnostic.c, expr.h, reload.c, toplev.c:
3707 Don't include insn-codes.h.
3709 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3710 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3711 c4x/c4x.c, i960/i960.c, mips/mips.c:
3712 Don't include insn-codes.h or insn-flags.h.
3714 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3715 or insn-flags.h in the generated code.
3716 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3717 (main): Forward declare struct rtx_def.
3719 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3721 * invoke.texi (-ffast-math): Remove duplicate line about
3724 * gcc.texi: Remove more obsolete documentation of bugs and
3725 installation problems.
3727 2001-03-21 Kazu Hirata <kazu@hxi.com>
3729 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3732 2001-03-20 Jason Merrill <jason@redhat.com>
3734 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3736 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3737 * varasm.c (CHKR_PREFIX): Likewise.
3739 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3741 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3742 is part of a multi-SET insn.
3744 * cse.c (find_comparison_args): Remove previous change.
3745 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3748 * config/i386/i386.md (conditional_trap): Remove warning.
3750 * recog.c (push_operand): Fix error in last change that caused
3751 undefined symbol on many targets.
3753 * sdbout.c: #include ggc.h.
3754 (sdbout_init): Move to end of file.
3755 Call ggc_add_tree_root for anonymous_types.
3756 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3757 (sdbout_one_type): Use DECL_NAME for field name.
3758 * Makefile.in (sdbout.o): Show includes ggc.h.
3760 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3762 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3763 (override_options): Use properlimits for preferred_stack_boundary.
3764 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3766 (ext_register_operand): Accept DImode.
3767 (load_pic_register): Abort on 64bit.
3768 (gen_push): Use Pmode instead of SImode.
3769 (ix86_save_reg): Pic reg is never used on 64bit.
3770 (ix86_expand_prologue): Likewise.
3771 (ix86_emit_save_regs): Use Pmode instead of SImode.
3772 (legitimate_address_p): Check displacement for 64bit.
3773 (print_operand): Avoid outputting of (%rip) on 64bit.
3774 (print_operand_address): Output (%rip) where possible.
3775 (split_di): Abort on 64bit registers.
3776 (ix86_expand_branch): DImode comparison is simple for x86_64.
3777 (memory_address_length): Recognize memory addresses formed using
3779 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3781 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3783 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3785 * recog.c (push_operand): Recognize new format of push instructions.
3787 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3789 * i386.md (pushqi1): New.
3790 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3791 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3792 x86_64_immediate_operand, x86_64_immediate_operand,
3793 x86_64_zext_immediate_operand): Declare.
3794 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3795 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3796 x86_64_immediate_operand, x86_64_immediate_operand,
3797 x86_64_zext_immediate_operand): define.
3798 * i386.h (PREDICATE_CODES): Add new predicates.
3800 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3802 * i386.md (pophi1, popqi1, pushqi1): Remove.
3804 * expr.c (emit_single_push_insn): New function.
3805 (move_by_pieces): Accept NULL as destination for push instructions.
3806 (gen_push_operand): Kill.
3807 (emit_push_insn): Pass NULL when pushing; avoid updating of
3808 stack_pointer_delta.
3809 * expr.h (gen_push_operand): Kill.
3811 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3813 * rtl.texi (COMPARE): Clarify documentation and reference section
3816 2001-03-20 Stan Shebs <shebs@apple.com>
3818 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3819 (get_object_reference): Ditto.
3820 (error_with_ivar): Use error_with_file_and_line.
3821 (warn_with_method): Use warning_with_file_and_line.
3823 2001-03-20 Tom Tromey <tromey@redhat.com>
3825 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3827 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3829 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3830 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3832 2001-03-20 DJ Delorie <dj@redhat.com>
3834 * Makefile.in (install-libgcc): Pass complete list of variables.
3835 (install-multilib): Ditto.
3837 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3839 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3840 drectve_section, switch_to_section.
3842 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3843 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3844 i386_pe_mark_dllimport.
3846 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3848 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3849 functions i386_pe_*.
3851 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3852 i386_pe_* functions with char * arguments.
3854 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3856 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3858 (movsi_ie): Introduce fpul store.
3860 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3862 * Makefile.in (OBJS): Remove hashtab.o.
3864 2001-03-19 Stan Shebs <shebs@apple.com>
3866 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3867 * c-lang.c (maybe_objc_method_name): Ditto.
3868 * c-tree.h (maybe_objc_method_name): Remove decl.
3870 2001-03-19 Tom Tromey <tromey@redhat.com>
3872 * gcc.c (init_gcc_specs): Fix comment.
3874 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3876 Compute DECL_ASSEMBLER_NAME lazily.
3877 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3878 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3879 (SET_DECL_ASSEMBLER_NAME): Likewise.
3880 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3881 (set_decl_assembler_name): Declare.
3882 (lang_set_decl_assembler_name): Likewise.
3883 * tree.c (lang_set_decl_assembler_name): New variab.e
3884 (set_decl_assembler_name): New function.
3885 (init_obstacks): Set lang_set_decl_assembler_name.
3886 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3887 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3888 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3889 where it's not necessary.
3890 (builtin_function): Likewise.
3891 (finish_decl): Likewise.
3892 * dbxout.c (dbxout_type_methods): Likewise.
3893 * ggc-common.c (ggc_mark_trees): Likewise.
3894 * profile.c (output_func_start_profiler): Likewise.
3895 * varasm.c (make_decl_rtl): Likewise.
3897 * cse.c (find_comparison_args): Update documentation. Fix
3898 mishandling of COMPARE operations.
3900 * tree.def (ABS_EXPR): Add documentation.
3901 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3903 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3905 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3907 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3909 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3910 Remove ia32 linux PIC kludge and move it...
3911 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3913 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3915 * i386.md (absdf2 expander): Fix 64bit case.
3917 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3919 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3921 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3923 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3925 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3927 * README.X11: Remove obsolete file.
3929 2001-03-18 Anthony Green <green@redhat.com>
3931 * config/pj/pj.h: Remove some trailing commas.
3932 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3934 2001-03-18 Richard Henderson <rth@redhat.com>
3936 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3937 * calls.c: ... here.
3938 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3939 defaults for them here.
3941 2001-03-17 Anthony Green <green@redhat.com>
3943 * config/pj/lib1funcs.S: Fix broken comment.
3944 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3947 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3949 * gcc.texi: Remove obsolete information relating to build and
3950 installation problems with enquire or the Pyramid C compiler.
3952 2001-03-17 Richard Henderson <rth@redhat.com>
3954 * dwarf2out.c (queue_reg_save): New.
3955 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3956 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3958 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3959 (cfa, cfa_store, cfa_temp): Make static.
3960 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3962 2001-03-17 Richard Henderson <rth@redhat.com>
3964 * integrate.h (struct inline_remap): Add local_return_label.
3965 * integrate.c (expand_inline_function): Initialize it and emit
3966 it after copy_insn_notes.
3967 (copy_insn_list): Don't store local_return_label here.
3968 (copy_insn_notes): New function split out from copy_insn_list.
3970 2001-03-17 Richard Henderson <rth@redhat.com>
3972 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3973 is generating .debug_line.
3974 (dwarf2out_init): Add main_input_filename to the file table first.
3975 * configure.in (as_dwarf2_debug_line): Test with file number 1
3976 instead of file number 0.
3978 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3980 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3981 (gen_rtx_combine): Deleted; all references changed as appropriate.
3982 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3984 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3986 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3988 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3991 2001-03-16 Jim Wilson <wilson@redhat.com>
3993 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3994 then set it to LOC_REG (79) instead of aborting.
3996 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3998 * gccbug.in: Remove high priority.
4000 2001-03-16 Richard Henerson <rth@redhat.com>
4002 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4003 output with a space instead of deleting it.
4004 * configure: Regenerate.
4006 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4008 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4009 handles the gory details of converting an object file into
4010 something that's safe to grep.
4011 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4012 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4013 newlines at either end of the string we're looking for.
4014 Make 'checking ...' message less stilted.
4015 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4016 ARM in-memory layout and its hypothetical converse. Don't
4017 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4018 HOST_WORDS_BIG_ENDIAN.
4020 * configure.in: Adjust for renamed macro. Move
4021 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4022 * configure, config.in: Regenerate.
4024 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4026 * fixinc/Makefile.in: Set SHELL.
4028 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4030 * fixinc/fixincl.c (fix_with_system): Quote file names before
4031 passing them to shell.
4033 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4035 * Makefile.in: Use fix-header$(build_exeext) instead
4038 2001-03-16 Richard Henderson <rth@redhat.com>
4040 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4041 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4042 (size_of_line_prolog): Remove.
4043 (output_line_info): Compute prologue size via label difference.
4044 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4046 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4047 assembler error when redefining file numbers.
4048 * config.in, configure: Rebuild.
4050 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4051 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4052 (dw2_asm_output_delta_uleb128): Likewise.
4053 (dw2_asm_output_delta_sleb128): Similarly.
4054 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4056 2001-03-16 Michael Meissner <meissner@redhat.com>
4058 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4060 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4062 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4064 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4065 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4066 being unsigned in ISO C and signed in traditional.
4067 (expand_prologue): Ditto.
4068 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4070 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4072 (divsi3,divdi3): Ditto.
4073 (modsi3,moddi3): Ditto.
4074 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4075 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4076 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4079 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4081 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4082 SSE based conditional moves on LTGT/UNEQ conditions;
4083 Canonicalize EQ to NE.
4084 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4085 (sse_mov?fcc_ne): New.
4087 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4089 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4091 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4092 register may be dead.
4094 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4096 * Makefile.in (hash.o): Depend on CONFIG_H.
4098 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4100 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4102 2001-03-15 Richard Henderson <rth@redhat.com>
4104 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4105 (ASM_OUTPUT_DWARF_PCREL): New.
4106 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4108 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4110 * cppfiles.c (stack_include_file): Use MAX of sysp.
4112 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4114 * config.gcc (ia64*-*-hpux*): New case.
4115 * config/ia64/hpux.h: New file for HP-UX support.
4116 * config/ia64/t-hpux: New file for HP-UX support.
4118 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4120 * fixinc/inclhack.def (irix_stdio_va_list): New.
4121 * fixinc/fixincl.x: Rebuilt.
4123 2001-03-15 Richard Henderson <rth@redhat.com>
4125 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4126 if provided by the target.
4127 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4128 (dw2_asm_output_addr): New.
4129 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4130 * dwarf2out.c (output_cfi): Use it for program addresses.
4131 (output_call_frame_info, output_die): Likewise.
4132 (output_aranges, output_line_info): Likewise.
4134 2001-03-15 Bruce Korb <bkorb@gnu.org>
4136 * gcc.c(main): make more rigorous
4137 * collect2.c(main): guard against ignoring SIGCHLD
4138 * protoize.c(main): ditto
4139 * gcc/fixinc/fixincl.c(initialize): ditto
4141 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4143 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4144 (sdbout_parms): Likewise.
4146 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4148 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4149 "widen" a destination that is already wider than a word. Also do
4150 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4152 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4154 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4156 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4158 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4160 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4162 * i960.h (i960_maxbitalignment,
4163 i960_last_maxbitalignment): Declare.
4164 * i960.c (i960_maxbitalignment,
4165 i960_last_maxbitalignment): Make global.
4166 (process_pragma): Delete.
4167 (i960_pr_align, i960_pr_noalign): Move from here ...
4168 * i960-c.c: ... to this new file.
4169 * t-960bare (i960-c.o): New rule.
4170 * t-vxworks960 (i960-c.o): Likewise.
4171 * config.gcc (i960-*-*): Define c_target_objs and
4174 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4176 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4177 without adding in rtx code and mode.
4179 * alias.c (init_alias_analysis): Don't use any rtx whose value
4180 varies as a known value.
4181 Delete a superfluous test.
4183 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4185 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4186 scheduling a stop bit.
4187 (ia64_emit_nops): Correctly handle ASMs.
4189 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4191 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4193 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4195 * cpp.texi: Update documentation for -include and -imacros.
4196 * cppfiles.c (struct include_file): Remove "defined" memeber.
4197 (find_or_create_entry): Make a copy of the file name, and
4199 (open_file): Update to ensure we use the simplified filename.
4200 (stack_include_file): Don't set search_from.
4201 (cpp_included): Don't simplify the path name here.
4202 (find_include_file): New prototype. Call search_from to
4203 get the start of the "" include chain. Don't simplify the
4205 (_cpp_execute_include): New prototype. Move diagnostics to
4206 do_include_common. Update.
4207 (_cpp_pop_file_buffer): Don't set defined.
4208 (search_from): New prototype. Use the preprocessor's cwd
4209 for files included from the command line.
4210 (read_name_map): Don't simplify the pathname here.
4211 * cpphash.h (enum include_type): New.
4212 (struct buffer): Delete search from. New search_cached.
4213 (_cpp_execute_include): Update prototype.
4214 * cppinit.c (do_includes): Use _cpp_execute_include.
4215 * cpplib.c (do_include_common): New function.
4216 (do_include, do_include_next, do_import): Use it.
4218 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4220 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4221 contents of the RTL, to determine the name of the object.
4223 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4225 * tree.h (DECL_RTL): Allocate RTL lazily.
4226 (SET_DECL_RTL): New macro.
4227 (DECL_RTL_SET_P): Likewise.
4228 (COPY_DECL_RTL): Likewise.
4229 (DECL_RTL_IF_SET): Likewise.
4230 * varasm.c (make_decl_rtl): Add assertions about the kind of
4231 declaration we are processing.
4232 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4233 (start_decl): Likewise.
4234 (finish_decl): Likewise.
4235 * c-semantics.c (emit_local_var): Likewise.
4236 * calls.c (expand_call): Likewise.
4237 * dbxout.c (dbxout_symbol): Likewise.
4238 * emit-rtl.c (unshare_all_rtl): Likewise.
4239 (unshare_all_decls): Likewise.
4240 (reset_used_decls): Likewise.
4241 * expr.c (store_constructor): Likewise.
4242 (safe_from_p): Likewise.
4243 (expand_expr): Likewise.
4244 * function.c (put_var_into_stack): Likewise.
4245 (instantiate_decls_1): Likewise.
4246 (assign_parms): Likewise.
4247 (expand_function_start): Likewise.
4248 (expand_function_end): Likewise.
4249 * ggc-common.c (gcc_mark_trees): Likewise.
4250 * integrate.c (function_cannot_inline_p): Likewise.
4251 (copy_decl_for_inlining): Likewise.
4252 (expand_inline_function): Likewise.
4253 (integrate_parm_decls): Likewise.
4254 (integrate_decl_tree): Likewise.
4255 * print-tree.c (print_node): Likewise.
4256 * reg-stack.c (stack_result): Likewise.
4257 * stmt.c (label_rtx): Likewise.
4258 (expand_return): Likewise.
4259 (expand_decl): Likewise.
4260 (expand_decl_cleanup): Likewise.
4261 (expand_anon_union_decl): Likewise.
4262 * toplev.c (check_global_declarations): Likewise.
4263 (rest_of_decl_compilation): Likewise.
4264 * tree.c (simple_cst_equal): Likewise.
4265 * objc/objc-act.c (generate_static_references): Likewise.
4267 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4269 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4270 gcc_AC_C_FLOAT_FORMAT): New macros.
4271 * configure.in: Add AC_PROG_CPP after CC tests;
4272 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4273 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4274 * configure, config.in: Regenerate.
4276 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4277 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4278 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4279 config/i370/xm-linux.h, config/i370/xm-oe.h,
4280 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4281 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4282 config/pa/xm-linux.h, config/pa/xm-pa.h,
4283 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4284 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4285 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4286 config/we32k/xm-we32k.h: Delete.
4288 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4289 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4290 config/vax/xm-vms.h: Don't define any of:
4291 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4293 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4295 * config.gcc: Remove references to deleted files.
4296 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4297 FATAL_EXIT_CODE, which is the same between oe and mvs).
4299 2001-03-14 DJ Delorie <dj@redhat.com>
4300 Vladimir Makarov <vmakarov@redhat.com>
4302 * config/i960/i960.c (i960_function_prologue): Compute size of
4303 frame according to number of registers actually saved there.
4305 2001-03-14 Richard Henderson <rth@redhat.com>
4307 * expr.c (emit_move_insn_1): Fix else if around #endif.
4309 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4312 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4315 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4317 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4318 (override_options): Parse cmodel string.
4319 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4320 * i386.h (TARGET_OPTIONS): Add "cmodel".
4321 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4323 (ix86_cmodel_string, ix86_cmodel): Declare.
4325 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4328 * i386.h (GENERAL_REG_P): Add missing REG_P.
4330 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4332 * configure.in: Use $gcc_cv_as instead of $as.
4333 * configure: Regenerated.
4335 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4337 * cppfiles.c (stack_include_file): Only increase the include
4338 count if we actually process the file properly, as opposed
4339 to treating it as length zero. Only call read_include_file
4340 if not DO_NOT_REREAD. Handle the -H include file output
4342 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4343 (cpp_included, find_include_file): Simplify pathnames after
4344 remapping them. If remapping, don't use the remapped file
4345 name's buffer as our scratch buffer.
4346 (cpp_pop_file_buffer): Replace the multiple include macro
4347 only if it isn't yet set.
4348 (read_name_map): Simplify remapped names when reading in.
4349 (remap_filename): Move code to code path that uses it.
4350 (_cpp_simplify_pathname): Return the input pointer.
4351 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4353 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4355 * expr.c (expand_expr): Revove bogus conditional.
4357 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4359 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4361 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4363 * reg-stack.c (stack_result): Unconditionally use
4364 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4366 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4368 * expr.c (emit_move_insn_1): Split push of complex value when
4369 no suitable push instruction exist.
4371 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4372 instead of QI_REG_P.
4374 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4376 * alias.c (handled_component_p, can_address_p): New functions.
4377 (get_alias_set): Use them.
4379 2001-03-13 Jim Wilson <wilson@redhat.com>
4381 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4382 from 80 in try_locals code.
4383 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4385 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4387 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4388 gcc_AC_C_LONG_LONG): New.
4389 * configure.in: Use them. Probe the size of short, int, long,
4390 and long long/__int64 if we have them. Move all the AC_C_*
4391 checks together, except gcc_AC_C_CHAR_BIT which has to go
4392 after AC_CHECK_HEADERS(limits.h).
4393 Take hwint.h out of host_xm_file and build_xm_file.
4395 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4396 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4397 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4398 Move the HOST_WIDEST_INT setup logic here from system.h.
4399 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4401 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4402 is now handled by hwint.h.
4404 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4405 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4406 config/ia64/xm-ia64.h: Don't define any of:
4407 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4408 HOST_BITS_PER_LONGLONG.
4410 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4411 config/h8300/xm-h8300.h, config/mips/iris6.h,
4412 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4413 config/sparc/xm-sp64.h: Delete.
4414 * config.gcc: Remove references to deleted files.
4416 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4417 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4418 * config/i370/xm-linux.h: Clarify floating-point situation in
4421 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4423 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4424 (find_include_file): Decide here which part of the include
4425 chain to start the search. Complain about an empty include
4426 chain in all cases apart from an abolsute file name.
4427 (_cpp_execute_include): Don't choose the search chain here.
4428 Don't call handle_missing_include in the case of an empty
4430 (_cpp_compare_file_date): Don't choose the search chain here.
4431 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4432 here from _cpp_execute_include. Behave like #include if
4433 we're in the main file.
4435 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4437 * system.h (malloc, realloc, calloc, strdup): Only poison these
4438 tokens when IN_GCC is defined.
4440 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4442 * i386.md (abs?f expander): Support SSE case.
4443 (abd?f_if): Add new "USE"; add splitters.
4445 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * cpp.texi (poison): Explain the macro expansion exception.
4449 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4451 * expr.c (store_expr): Add dont_store_target. If temp is already in
4452 target before copying to reg, don't store it into target again.
4454 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4456 * cppinternals.texi: Update for file handling.
4458 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4460 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4461 2001-02-24 which broke building the Java library.
4462 * function.c (identify_blocks): Likewise.
4463 (all_blocks): Likewise.
4464 * integrate.c (integrate_decl_tree): Likewise.
4465 * print-tree.c (print_node): Likewise.
4466 * tree.h (BLOCK_NUMBER): Likewise.
4467 (struct tree_block): Likewise.
4469 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4471 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4472 __WCHAR_TYPE__ definition.
4473 (WCHAR_TYPE_SIZE): #undef before #define.
4475 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4477 * cppfiles.c: Update comments.
4478 (destroy_include_file_node): Rename destroy_node.
4479 (find_or_create_entry): New function.
4480 (open_file, _cpp_fake_include): Use it.
4481 (handle_missing_header): New function, broken out of
4482 _cpp_execute include. Don't segfault if there is no
4483 system or quoted path.
4484 (_cpp_execute_include): Use handle_missing_header.
4486 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4488 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4489 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4491 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4493 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4494 unless anti_dependence says they are.
4495 * alias.c (objects_must_conflict): If neither has a type specified,
4498 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4499 David Billinghurst <David.Billinghurst@riotinto.com>
4501 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4503 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4505 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4506 (*_one_bit): Remove type on the match_operand in attributes.
4508 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4510 * i386.c: Commit forgotten hunk in previous patch.
4511 (regclass_map): Add extended registers.
4512 (dbx_register_map): Add missing frame register.
4514 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4516 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4518 * i386.md (x86_sahf_1): Disable for 64bit.
4519 (popsi*, pophi*): Likewise.
4520 (pushqi, pushhi): Likewise.
4521 (movdi, pushdi): Likewise.
4522 (zero extend DImode splitter): Likewise.
4523 (adddi, minusdi splitter): Likewise.
4524 (umulsidi): Likewise.
4526 (mulsidi): Disable for 64bit
4527 (lshift:DI/ashift:DI): Disable for 64bit.
4528 (loop patterns): Likewise.
4529 (call_pop, call_value_pop expanders and patterns): Likewise.
4530 (prologue_get_pc): Likewise.
4532 (fcmovDI pattern and splitter): Likewise.
4533 (movdfcc_1_rex64): New.
4535 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4537 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4538 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4539 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4540 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4541 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4542 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4543 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4544 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4545 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4546 (REGPARM_MAX): Set to 6 for x86_64.
4547 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4548 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4551 * (patterns that does use upper halves): Update constraints
4552 'q' to 'Q' and 'r' to 'R'.
4553 (cmpqi_ext_1): Disable for 64bit.
4554 (cmpqi_ext_3_insn): Likewise.
4555 (movqi_extzv_1): Likewsie.
4556 (addqi_ext_1): Liekwsie
4557 (testqi_ext_1): Liekwsie
4558 (andqi_ext_1): Liekwsie
4559 (xorqi_ext_1): Liekwsie
4560 (cmpqi_ext_1_rex64): New.
4561 (cmpqi_ext_3_insn_rex64): Likewise.
4562 (movqi_extzv_1_rex64): Likewsie.
4563 (addqi_ext_1_rex64): Liekwsie
4564 (testqi_ext_1_rex64): Liekwsie
4565 (andqi_ext_1_rex64): Liekwsie
4566 (xorqi_ext_1_rex64): Liekwsie
4568 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4570 * configure.in: Move check for unsigned enumerated bitfields
4571 to macro in aclocal.m4. Disable it for now.
4572 * configure, config.in: Regenerate.
4573 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4574 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4575 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4576 kind above its first use.
4578 * config/xm-interix.h, config/alpha/xm-alpha.h,
4579 config/i370/xm-linux.h, config/i386/xm-beos.h,
4580 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4581 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4582 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4583 Don't define ONLY_INT_FIELDS under any circumstances.
4585 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4587 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4588 config/sparc/xm-sysv4.h: Delete - now identical with some
4590 * config.gcc (hppa targets): Replace xm-pahpux.h and
4591 xm-papro.h with implicit xm-pa.h.
4592 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4595 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4597 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4598 before reload_cse_noop_set_p.
4600 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4602 * config.gcc: Where xm-host.h used to include another
4603 xm-host.h, list the nested header directly in xm_file. Remove
4604 references to deleted files. Can now use sparc/xm-sp64.h for
4607 * config/xm-linux.h, config/arm/xm-linux.h,
4608 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4609 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4610 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4611 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4612 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4615 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4616 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4617 bother to wrap #undef in #ifdef.
4618 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4619 Don't include xm-linux.h.
4620 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4622 * configure.in: Wrap regexps using [] in changequote block.
4623 Use expr : not echo | grep. Simplify regexps.
4624 * configure: Regenerate.
4626 56 xm-files remain, 22 xm-arch.
4628 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4630 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4631 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4632 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4633 (copy_object): Fix format specifier vs argument mismatch.
4635 * mips-tdump.c: Make local functions static.
4636 (rindex): Don't #undef.
4637 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4638 (fatal, fancy_abort): Delete.
4639 (read_seek): Avoid signed/unsigned compare.
4641 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4643 * combine.c (try_combine): Fix error in change to try original
4645 (gen_rtx_combine): Do same as gen_rtx for now.
4647 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4649 * configure.in: AC_SUBST xm_defines.
4650 * configure: Regenerate.
4651 * Makefile.in: Set DEFINES=$(xm_defines) when building
4654 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4656 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4657 (cpp_included, find_include_file): Update.
4658 (_cpp_compare_file_date): Make else unconditional.
4660 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4662 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4664 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4666 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4667 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4669 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4671 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4672 if it's a record type.
4674 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4676 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4677 mingw includes slightly.
4679 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4682 #undef token before poisoning it.
4684 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4686 * alpha.c (check_float_value): Use memcpy, not bcopy.
4688 * m32r.c (m32r_sched_reorder): Likewise.
4690 * vax.c (check_float_value): Likewise.
4692 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4694 * toplev.c (file_name_nondirectory): Remove.
4695 * toplev.h: Similarly.
4696 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4697 of file_name_nondirectory.
4699 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4701 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4702 * mips-tfile.c: Don't #undef rindex; not used.
4704 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4706 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4707 (dbx64_register_map): Declare.
4708 (RETURN_ADDR_RTX): Fix for 64bit.
4709 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4710 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4711 * i386.c (dbx64_register_map): New global array.
4712 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4713 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4716 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4718 * cppfiles.c (search_from): Use lbasename.
4719 * mkdeps.c (deps_add_default_target): Use lbasename.
4721 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4724 xcalloc in lieu of malloc, realloc & calloc.
4726 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4728 * gengenrtl.c (xmalloc): Likewise.
4730 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4731 really_call_* memory allocation routines.
4733 * stmt.c (check_for_full_enumeration_handling): Use
4734 really_call_calloc, not calloc.
4736 * system.h (really_call_malloc, really_call_calloc,
4737 really_call_realloc): Define.
4738 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4740 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4742 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4744 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4746 * configure: Rebuilt.
4747 * configure.in: Only use `lang_requires' for languages athat are
4750 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4752 * invoke.texi: Fix typo.
4753 * gcc.1: Regenerate.
4755 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4757 * configure.in: Prune nonexistent files from build_xm_file,
4758 xm_file, and host_xm_file lists. Warn unless they're
4760 Don't generate *config.h here.
4761 AC_SUBST all variables needed to generate *config.h.
4762 * configure: Regenerate.
4763 * mkconfig.sh: New helper script, from code removed from
4765 * Makefile.in: Zap all MALLOC variables - no longer used
4766 anywhere, and malloc.c doesn't exist.
4767 Substitute in variables needed to generate *config.h.
4768 Stop lying about the dependencies contained in CONFIG_H and
4770 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4771 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4772 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4773 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4774 $(TM_P_H), etc. as appropriate.
4776 * config.gcc: Zap references to deleted files.
4777 * ggc-none.c: Don't include rtl.h or tm_p.h.
4779 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4780 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4781 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4782 config/i386/xm-linux.h, config/i386/xm-linux.h,
4783 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4784 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4785 Don't include i386/xm-i386.h.
4787 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4788 config/i386/xm-i386.h, config/i860/xm-i860.h,
4789 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4790 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4791 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4792 Delete (empty except comments, #includes of other deleted
4793 files, and macros used nowhere).
4795 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4797 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4798 independent on TARGET_FLAGS.
4800 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4802 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4804 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4806 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4808 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4809 LAST_REX_SSE_REG): define.
4810 (enum reg_class): Add 'LEGACY_REGS'
4811 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4812 (SSE_REGNO_P): Recognize extended registers.
4813 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4814 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4815 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4816 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4817 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4818 REG_OK_FOR_STRREG_P): Remove.
4819 (HI_REGISTER_NAMES): Add extended registers.
4820 (ADDITIONAL_REGISTER_NAMES): Likewise.
4821 (QI_REGISTER_NAMES): Add 8bit extended registers.
4822 (DEBUG_REG): Support extended registers.
4823 * i386.c (regclass_map): Add extended registers.
4824 (dbx_register-map): Likewise.
4825 (svr4_dbx_register_map): Likewise.
4826 (print_reg): Support extended registers.
4827 (print_operand): Support 64bit operands.
4829 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4831 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4832 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4833 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4834 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4835 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4836 STACK_BOUNDARY): Set properly for 64bits.
4837 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4838 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4839 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4840 (MOVE_MAX): Set to 16.
4841 (MOVE_MAX_PIECES): 8 for 64bit.
4842 (Pmode): Set to SImode.
4844 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4846 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4848 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4850 * i386.h (mask_64bit): New constant.
4851 (target_64bit): New macro.
4852 (target_options): Add '64'/'32'
4853 (target_default): Define.
4854 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4855 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4856 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4858 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4860 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4862 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4864 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4865 LO_SUM unless for_alias is set.
4867 2001-03-08 Stan Shebs <shebs@apple.com>
4869 * objc/objc-act.c: Fix old typos in comments, add comments for
4871 (hash_init): Fix file name in error message.
4872 (hash_enter): Ditto.
4873 (hash_add_attr): Ditto.
4874 (continue_class): Ditto.
4876 2001-03-08 Bruce Korb <bkorb@gnu.org>
4878 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4879 wait4() can receive the signal.
4881 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4883 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4885 * fixinc/fixincl.x: Regenerate.
4887 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4889 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4891 * fixinc/fixincl.x: Regenerate.
4893 2001-03-08 Richard Henderson <rth@redhat.com>
4895 * configure.in (HAVE_AS_LEB128): New assembler check.
4896 * configure, config.in: Rebuilt.
4898 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4900 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4903 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4906 references to the MAXPATHLEN macro.
4908 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4909 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4912 * config/i386/xm-gnu.h, config/xm-gnu.h,
4913 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4914 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4915 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4916 and/or unused files.
4918 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4919 doing so in various xm-*.h files.
4921 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4923 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4925 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4927 * configure.in (enable_shared): Support per-package shared-library
4929 * configure: Rebuilt.
4931 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4933 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4934 for crnot. Set operands[5] in splitter.
4936 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4938 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4939 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4940 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4941 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4942 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4943 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4944 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4947 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4948 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4949 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4950 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4951 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4952 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4953 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4954 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4955 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4956 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4957 Delete unused and/or empty files.
4959 * config.gcc: Define USG in xm_defines as appropriate. Define
4960 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4961 macro. Remove deleted xm-* files from $xm_files variable.
4963 2001-03-07 Tom Tromey <tromey@redhat.com>
4965 * configure: Rebuilt.
4966 * configure.in: Allow config-lang.in to set `lang_requires' to list
4967 of other required languages.
4969 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4971 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4973 (output_prologue): Use xmalloc not oballoc.
4974 (output_epilog): Free a29k_first_epilogue_insn when finished.
4975 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4977 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4979 * builtins.c (expand_builtin_mathfn): Check
4980 flag_unsafe_math_optimizations, not flag_fast_math.
4981 (expand_builtin): Likewise
4982 * combine.c (combine_simplify_rtx): Likewise.
4983 (simplify_if_then_else): Likewise.
4984 * cse.c (fold_rtx): Likewise.
4985 * flags.h: Remove flag_fast_math. Add
4986 flag_unsafe_math_optimizations and flag_trapping_math.
4987 * fold-const.c (negate_expr): Check
4988 flag_unsafe_math_optimizations, not flag_fast_math.
4989 (invert_truthvalue): Likewise.
4990 (fold): Likewise. Before associating operands, check that
4991 code == MULT_EXPR, not code != MULT_EXPR.
4992 * ifcvt.c (noce_try_minmax): Check
4993 flag_unsafe_math_optimizations, not flag_fast_math.
4994 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4995 * invoke.texi: Document -funsafe-math-optimizations and
4996 -fno-trapping-math. Change documentation for -ffast-math.
4997 * jump.c (reversed_comparison_code_parts): Likewise.
4998 (rtx_equal_for_thread_p): Likewise.
4999 * optabs.c (emit_conditional_move): Likewise.
5000 * simplify-rtx.c (simplify_binary_operation): Likewise.
5001 (simplify_relational_operation): Likewise.
5002 (simplify_ternary_operation): Likewise.
5003 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5004 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5005 Add trapping-math and unsafe-math-optimizations entries to f_options.
5006 (set_fast_math_flags): New, sets flags for -ffast-math.
5007 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5008 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5009 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5011 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5012 (alpha_emit_conditional_move): Initialize local_fast_math to
5013 flag_unsafe_math_optimizations, not flat_fast_math.
5014 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5015 instead of setting flag_fast_math to 1.
5016 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5018 * config/i386/i386.c (override_options): Likewise
5019 * config/i386/i386.md: Likewise.
5020 * config/m68k/m68k.md: Likewise.
5021 * config/mips/mips.md: Likewise.
5022 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5023 (rs6000_generate_compare): Likewise.
5025 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5027 * Makefile.in: Set RANLIB to @RANLIB@.
5030 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5032 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5033 * fixinc/fixincl.x: Regenerated.
5035 2001-03-07 Richard Henderson <rth@redhat.com>
5037 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5039 2001-03-07 Richard Henderson <rth@redhat.com>
5041 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5042 of block notes and exception handling notes.
5044 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5045 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5046 (compile_file): ... here.
5048 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5050 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5052 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5053 config.h now. Include libiberty.h to handle alloca.
5055 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5057 * c-parse.in (yylexname): New function, split out of _yylex.
5058 (objc_rid_sans_at): New table.
5059 (init_reswords): Initialize it.
5060 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5061 retrieving the next token and checking it for significance as
5062 an ObjC keyword or string constant.
5064 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5065 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5067 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5070 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5072 * config/m68k/m68k.c (const_uint32_operand): Accept any
5073 const_int on a 32-bit host.
5075 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5077 * objc/objc-act.c (init_objc): Set save_lang_status,
5078 restore_lang_status, and mark_lang_status.
5080 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5082 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5084 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5086 * cppinternals.texi: Update.
5088 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5090 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5091 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5092 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5093 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5094 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5095 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5096 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5097 config/i386/xm-i386.h, config/i860/xm-i860.h,
5098 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5099 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5100 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5101 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5102 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5103 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5104 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5105 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5106 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5107 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5108 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5109 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5110 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5111 match the defaults provided in hwint.h.
5113 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5114 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5116 * config.gcc (xm_file): Don't set to files which are deleted.
5118 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5119 guard this file against these macros being undefined.
5121 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5123 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5124 and DECL_DEFER_OUTPUT on the decl we create, before calling
5125 rest_of_decl_compilation.
5127 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5129 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5131 * configure, config.in: Regenerate.
5132 * config.gcc: Remove references to deleted files.
5134 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5135 genrecog.c, rtl.c: Do not use alloca anywhere.
5137 * Makefile.in, build-make, system.h, config/x-interix,
5138 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5139 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5140 config/arc/xm-arc.h, config/arm/xm-arm.h,
5141 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5142 config/h8300/xm-h8300.h, config/i370/x-oe,
5143 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5144 config/i386/x-ncr3000, config/i386/x-sco5,
5145 config/i386/xm-dgux.h, config/i860/x-sysv4,
5146 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5147 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5148 config/m68k/x-hp320g, config/m69k/x-mot3300,
5149 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5150 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5151 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5152 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5153 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5154 config/mips/x-iris, config/mips/x-iris3,
5155 config/mips/x-sni-svr4, config/mips/x-sysv,
5156 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5157 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5158 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5159 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5160 config/pa/xm-papro.h, config/romp/xm-romp.h,
5161 config/rs6000/x-aix31, config/rs6000/x-aix41,
5162 config/rs6000/x-beos, config/rs6000/x-lynx,
5163 config/rs6000/x-mach, config/rs6000/x-rs6000,
5164 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5165 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5166 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5167 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5168 config/vax/xm-vms.h: Eradicate all references to alloca and
5171 * config/xm-alloca.h, config/clipper/x-clix,
5172 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5173 config/i860/x-sysv3, config/m88k/x-sysv3,
5174 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5175 (contained only alloca related hacks).
5177 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5180 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5182 * invoke.texi: Document __FAST_MATH__.
5184 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5186 * crtstuff.c: Restore include of auto-host.h.
5188 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5190 Put main() in a separate file, so that the language
5191 front-end can use a different main().
5194 * toplev.c: (main): Rename as toplev_main.
5195 * toplev.h: Declare toplev_main.
5196 * Makefile.in (OBJS): add toplev.o.
5197 (BACKEND): remove toplev.o, add main.o.
5199 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5201 * cppfiles.c (search_from): Special case the empty string.
5203 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5205 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5206 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5207 strlen or strcpy; we already know the length.
5208 (_cpp_compare_file_date): Similarly.
5209 * cpphash.h (struct cpp_reader): Delete done_initialising.
5210 (CPP_PREV_BUFFER): Delete.
5211 * cppinit.c (cpp_start_read): Don't set done_initialising.
5212 * cpplex.c (parse_string): Guarantee null-termination.
5213 (_cpp_equiv_toklists): Remove.
5214 * cpplib.c (glue_header_name): Null-terminate.
5215 (do_line): Don't leak memory.
5216 * cpplib.h (BT_WEAK): Delete.
5217 * cppmain.c (cb_ident): Strings are now null-terminated.
5219 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5221 * gcc.c (convert_filename): Append executable suffix
5222 if NO_AUTO_EXE_SUFFIX is not defined.
5223 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5224 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5226 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5228 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5229 * c-parse.gperf, c-gperf.h: Delete.
5230 (c-gperf.h was accidently re-added to the CVS repo in the rev
5231 1.16 commit by tromey)
5233 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5235 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5236 macro arguments when looking for the '('.
5237 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5238 2 when really parsing arguments; 1 when looking for '('.
5239 Always restore the lexer position.
5241 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5243 * longlong.h (umul_ppmm): Don't use a multiline string.
5245 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5247 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5248 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5249 t_bool in declaration because pcc can't combine volatile with typedef
5252 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5254 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5255 until when it is really needed.
5256 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5257 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5258 * i386.md (float?i?f splitter): Don't force source operand to memory
5260 (sse_movdfcc): Fix constraint.
5261 (sse_movdfcc splitter): Handle properly the second alternative.
5263 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5265 * cpplex.c (parse_string): Unconditionally pedwarn.
5267 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5270 * cppexp.c (parse_number): Update.
5271 * cpplex.c (parse_string): Pedwarn if multiline string does not
5272 result from a system header's macro.
5273 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5274 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5275 for function-like macros too.
5276 * c-lex.c (lex_number): Update.
5278 2001-03-03 Richard Henderson <rth@redhat.com>
5280 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5282 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5284 * combine.c (try_combine): If split with mode-changed scratch
5285 register didn't work, try the original mode.
5287 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5289 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5290 * config/c4x/c4x.h: Likewise.
5291 * stor-layout.c (compute_record_mode): Likewise.
5292 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5294 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5296 * configure.in: Kill tm.h. Include the files in the $tm_file
5297 list in all three of config.h, hconfig.h, tconfig.h, after the
5298 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5299 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5300 * configure: Regenerate.
5301 * Makefile.in (clean): Don't delete tm.h.
5303 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5304 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5305 those are not defined, set SEC and FEC to 0 and 1.
5306 * gcc.texi: Update to match.
5308 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5309 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5310 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5311 Include tconfig.h, not tm.h.
5313 * config/xm-lynx.h, config/xm-std32.h,
5314 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5315 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5316 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5317 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5318 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5319 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5320 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5321 config/i386/xm-i386.h, config/i860/xm-i860.h,
5322 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5323 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5324 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5325 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5326 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5327 config/pa/xm-linux.h, config/pa/xm-pa.h,
5328 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5329 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5330 config/pj/xm-pj.h, config/romp/xm-romp.h,
5331 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5332 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5333 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5334 config/v850/xm-v850.h, config/vax/xm-vax.h,
5335 config/we32k/xm-we32k.h:
5337 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5339 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5340 config/i370/xm-oe.h: Don't include tm.h. Don't define
5342 * config/vax/xm-vms.h: Don't include tm.h.
5344 * config/xm-lynx.h, config/avr/xm-avr.h,
5345 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5346 Delete; made empty by above changes.
5347 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5348 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5349 Don't include config/xm-lynx.h or tm.h.
5351 * config/xm-gnu.h: Don't include fcntl.h.
5352 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5354 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5356 2001-03-02 Richard Henderson <rth@redhat.com>
5358 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5359 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5361 2001-03-02 Richard Henderson <rth@redhat.com>
5363 * Makefile.in (OBJS): Add dwarf2asm.o.
5364 * dwarf2asm.c, dwarf2asm.h: New files.
5365 * dwarf2out.c (*): Use them.
5366 (size_of_uleb128, size_of_sleb128): Remove.
5367 (output_uleb128, output_sleb128): Remove.
5368 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5369 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5370 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5371 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5372 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5373 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5374 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5375 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5376 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5377 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5378 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5379 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5380 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5381 (dwarf2out_frame_debug): Remove unused variables.
5382 (output_loc_operands): Don't abort on 8 byte constants if
5383 host integers are wide enough.
5384 (output_symbolic_ref): Remove.
5385 (size_of_die): Don't assume 4 byte host integers.
5386 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5388 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5389 something stupid with HOST_WIDE_INT to long truncation.
5390 [CONST_DOUBLE]: Likewise.
5392 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5393 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5394 * config/arm/unknown-elf.h: Likewise.
5395 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5396 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5397 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5398 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5399 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5400 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5401 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5402 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5403 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5404 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5405 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5406 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5408 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5410 * cselib.c (hash_rtx): Cast enums to unsigned int.
5412 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5414 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5415 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5417 * c-format.c (C_STD_VER): Cast to int for comparisons.
5418 (check_function_format): Cast various enums to int for &.
5419 (maybe_read_dollar_number): Likewise.
5420 (check_format_info): Likewise.
5421 (check_format_info_main): Likewise.
5422 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5423 (safe_from_p): Likewise.
5424 * varasm.c (const_hash): Cast enum to int for %.
5425 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5426 pcc enum problems with < and ++ operators.
5427 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5428 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5429 (regclass_init): Change enum class to int to iterate over reg_classes.
5430 * genrecog.c (merge_trees): Cast enums for comparison.
5431 * rtl.h (GET_CODE): Cast to enum rtx_code.
5432 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5433 (GET_MODE): Cast to enum machine_mode.
5434 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5435 (GET_NOTE_INSN_NAME): Cast enum to int.
5436 * tree.h (TREE_CODE): Cast to enum tree_code.
5437 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5438 * timevar.c (timevar_print): Change loop variable id from enum to
5440 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5441 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5442 * toplev.c (compile_file): Cast enum DFI to int.
5443 (decode_d_option): Likewise.
5445 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5447 * cppinit.c (append_include_chain): Mark "after" include file name list
5448 as a system directory.
5449 * cpp.texi: Document new behavior.
5451 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5453 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5455 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5457 * cppfiles.c (struct include_file): Update.
5458 (stack_include_file): Use search_from.
5459 (cpp_included, find_include_file): Update.
5460 (cpp_execute_include): Update. ptr->name may not be
5461 null terminated. Use the new search_from member variable
5463 (_cpp_compare_file_date): Similarly.
5464 (search_from): New function, similiar to actual_directory.
5465 (actual_directory): Delete.
5466 (remap_filename): Update. loc->name may not be null terminated.
5467 (struct file_name_list): Rename search_path. Update.
5468 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5469 search_from and dir.
5470 (struct cpp_reader): Remove actual_dirs.
5471 * cppinit.c (struct cpp_pending): Update for renamed objects.
5472 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5473 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5474 * cpplib.h (struct cpp_options): Similarly.
5476 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5478 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5479 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5480 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5481 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5482 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5483 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5484 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5485 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5486 config/i370/xm-oe.h, config/i386/xm-aix.h,
5487 config/i386/xm-i386.h, config/i386/xm-osf.h,
5488 config/i860/xm-i860.h, config/i960/xm-i960.h,
5489 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5490 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5491 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5492 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5493 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5494 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5495 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5496 config/pj/xm-pj.h, config/romp/xm-romp.h,
5497 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5498 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5499 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5500 config/v850/xm-v850.h, config/vax/xm-vax.h,
5501 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5502 Do not define TRUE or FALSE.
5504 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5505 empty by above change.
5506 * config.gcc: Remove references to these files.
5508 * configure.in: Detect stdbool.h.
5509 * configure, config.in: Regenerate.
5510 * system.h: Include stddef.h here if available.
5511 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5512 Then set up a sensible boolean type at the very end.
5514 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5515 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5517 * hash.h: Delete 'boolean' typedef and related #undefs.
5519 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5520 all uses of 'boolean' with 'bool'.
5522 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5524 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5525 * cppexp.c (lex): Cast enums for comparison.
5526 * cppinit.c (parse_option): Cast enum for comparison.
5527 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5528 (cpp_output_token): Likewise.
5529 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5530 (cpp_avoid_paste): Cast enums for minus and comparison.
5532 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5534 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5535 field to all array elements.
5537 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5539 * cpphash.h (struct cpp_reader): Add print_version field.
5540 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5541 just set print_version and other flags as appropriate.
5542 (cpp_post_options): Print version here if print_version is set.
5544 * toplev.c (exit_after_options): New flag.
5545 (independent_decode_option): Don't exit here; just set
5547 (main): Exit after calling lang_hooks.post_options if
5548 exit_after_options is true.
5550 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5551 (merge_include_chains): Adjust comment to match code.
5553 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5555 * stringpool.c (set_identifier): New function.
5556 * tree.h: Prototype it.
5558 * c-parse.in: Kill D_YES. If compiled for objc, call
5559 save_and_forget_protocol_qualifiers from init_reswords.
5560 * objc/objc-act.c (remember_protocol_qualifiers,
5561 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5562 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5564 (save_and_forget_protocol_qualifiers): New function.
5565 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5567 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5569 * c-semantics.c (prune_unused_decls): Return error_mark_node
5570 instead of (tree) 1 to stop traversing the tree chain.
5572 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5574 Fix a problem introduced by Kenner's Feb 18 change.
5575 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5576 flag_cse_skip_blocks only temporarily, not for ever.
5578 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5580 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5581 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5583 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5584 before determining its register class.
5586 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5588 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5589 from reg 4 if current_function_calls_setjmp.
5590 (gen_nop_type): New function.
5591 (ia64_emit_nops): New function.
5592 (ia64_reorg): Call it.
5593 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5595 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5596 code not to try to optimize adds with anything but a REG destination.
5598 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5599 (INSN_PRIORITY_KNOWN): New accessor macro.
5600 * haifa-sched.c (priority): Use it instead of testing priority against
5603 2001-02-28 DJ Delorie <dj@redhat.com>
5605 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5606 since that doesn't work the way gcc wants on a generic m68k.
5608 2001-02-28 Richard Henderson <rth@redhat.com>
5610 * caller-save.c (save_call_clobbered_regs): Fix typo in
5611 comparison last change.
5613 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5615 * i386.c (pentium4_cost): New.
5616 (m_PENT4): New macro.
5617 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5618 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5619 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5620 x86_memory_mismatch_stall): Add Pentium4
5621 (x86_use_q_reg, x86_use_any_reg): Kill.
5622 (override_options): Add pentium4.
5623 (incdec_operand): Return 0 for pentium4.
5624 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5625 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5626 (TARGET_PENTIUM4): Define.
5627 (enum processor_type): Add PROCESSOR_PENTIUM4.
5628 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5629 * i386.md (attribute "cpu"): Add pentium4.
5630 * invoke.texi (march): Add pentium4.
5632 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5634 * i386.md (sse_mov?fcc*): New patterns and splitters.
5635 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5636 the SSE based conditional moves.
5638 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5640 * i386.md (attribute mode): Add "TI".
5641 (movsf_1): Add pxor support; remove constant propagation splitter.
5642 (movdf_integer): Likewise.
5643 (movdf_nointeger): Likewise.
5644 (movxf constant prop splitter): Handle all modes; update for SSE.
5645 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5646 * i386.c (standard_80387_constant_p): Rewrite.
5647 (standard_sse_constant_p): New.
5648 * i386-protos.h (standard_sse_constant_p): New.
5650 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5652 * i386.md (sse_setccsf, sse_setccdf): New.
5653 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5655 * i386.c (sse_comparison_operator): Accept the supported unordered
5656 comparses; be ready for fast_math.
5657 (print_operand): Support 'D'.
5659 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5661 * jump.c (reversed_comparison_code): Kill.
5663 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5665 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5668 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5670 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5671 add missing '%' in constraints.
5673 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5675 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5676 for HOST_BITS_PER_WIDE_INT == 32 too.
5678 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5680 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5682 (insert_save, insert_restore): New parameter save_mode.
5683 (init_caller_save): Update initialization of reg_save_code
5684 and reg_restore_code.
5685 (save_call_clobbered_regs): Compute save_modes and update calls to
5686 reg_save_code and reg_restore_code.
5687 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5688 of spill; update use of reg_restore_code.
5689 (insert_save): Likewise.
5690 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5691 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5692 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5694 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5696 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5697 noce_try_store_flag_inc, noce_try_store_flag_mask,
5698 noce_try_cmove_arith):
5699 Use reversed_comparison_code instead of reverse_comparison and
5700 can_reverse_comparison_p.
5702 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5704 * jump.c (reversed_comparison_code_parts): Allow reversal of
5705 unordered compares in -ffast-math mode; reverse ordered compares
5706 for FP even w/o -ffast-math.
5708 2001-02-27 Richard Henderson <rth@redhat.com>
5710 * print-rtl.c (print_rtx) [i]: Don't print field five on
5711 NOTEs other than NOTE_INSN_DELETED_LABEL.
5713 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5715 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5716 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5718 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5720 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5721 even if walk_subtrees is 0.
5722 * c-semantics.c (prune_unused_decls): Return a non-null value to
5723 stop traversing the tree chain.
5725 2001-02-27 DJ Delorie <dj@redhat.com>
5727 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5728 register, *then* define it as the new CFA.
5730 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5732 * pa.c (override_options): Promote -fpic to -fPIC.
5733 (legitimize_pic_address): Simplify due to removal of
5734 small PIC as a code generation option.
5735 (secondary_reload_class): Similarly.
5736 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5737 (PRINT_OPERAND_ADDRESS): Similarly.
5738 * pa.md (various patterns): Similarly.
5739 (small pic lo_sum pattern): Remove.
5741 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5744 * md.texi (min, max): Document
5746 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5748 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5749 TARGET_PARTIAL_REG_DEPENDENCY.
5750 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5752 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5754 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5756 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5758 * mips.c (mips_make_temp_file): Fix thinko in last change.
5760 2001-02-26 Jason Eckhardt <jle@redhat.com>
5762 * combine.c (known_cond): Do not reverse the condition when
5763 SMAX/UMAX is being considered and the condition is for equality
5766 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5768 2001-02-26 Philip Blundell <philb@gnu.org>
5770 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5772 * config/arm/linux-elf.h: Remove historical relics related to
5773 above configurations.
5774 * config/arm/linux-oldld.h: Delete.
5775 * config/arm/linux-elf26.h: Delete.
5777 2001-02-26 Jason Merrill <jason@redhat.com>
5779 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5781 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5782 recognize a tentative definition. Lose obsolete code.
5784 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5785 variables unless necessary, either.
5787 2001-02-25 Richard Henderson <rth@redhat.com>
5789 * ifcvt.c (struct noce_if_info): Add test_bb.
5790 (noce_get_alt_condition): New.
5791 (noce_try_minmax, noce_try_abs): New.
5792 (noce_operand_ok): New.
5793 (noce_process_if_block): Use them.
5794 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5796 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5798 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5801 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5803 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5804 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5806 (mips_asm_file_end): Free temp_filename here.
5808 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5810 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5811 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5813 * config/i386/i386.md (movstrsi): Handle FAIL case.
5815 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5817 * cppinit.c (builtin_array): Update.
5818 (init_builtins): Flag builtins to warn if redefined or
5819 undefined. Define __GXX_WEAK as a normal macro.
5820 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5821 * cpplib.h (NODE_WARN): New flag.
5822 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5823 Handle __STDC__ as a builtin only on Solaris.
5824 (warn_of_redefinition): Renamed from check_macro_definition.
5825 Reverse sense of test. Always warn if NODE_WARN.
5826 (_cpp_create_definition): Use warn_of_redefinition. Flag
5827 any macro beginning with "__STDC_" to require a mandatory
5828 warning if redefined or undefined.
5830 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5832 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5833 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5834 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5835 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5836 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5837 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5838 Don't define any of:
5839 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5840 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5841 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5842 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5843 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5845 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5846 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5849 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5850 Delete now-empty file.
5852 * alpha/vms.h: Define NEED_ATEXIT here...
5853 * alpha/xm-vms.h: ...not here.
5855 * i386/cygwin.h: Don't define PARAMS.
5856 * mips/mips.c: Don't prototype mktemp. Don't define
5857 P_tmpdir. Use make_temp_file to create temporary files.
5858 Don't be clever and delete temporary files early.
5859 * config.gcc: Drop references to deleted files. Don't define
5861 * gcc.texi: Don't mention USE_PROTOTYPES.
5863 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5865 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5866 (ix86_set_move_mem_attrs_1): Likewise.
5867 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5868 * config/i386/i386.md (movstrsi): Call it.
5870 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5872 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5873 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5874 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5875 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5877 (i750a-*-*): Error here if hosting on i750a.
5878 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5880 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5881 Remove (empty modulo comments).
5883 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5884 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5885 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5886 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5887 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5888 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5890 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5891 Remove reference to winnt.h in comment.
5892 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5894 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5896 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5897 used to set another biv.
5899 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5901 * tree.h (BLOCK_DEAD): New macro.
5902 (struct tree_block): New flag, dead_flag.
5903 * print-tree.c (print_node, case 'b'): Print missing fields.
5904 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5905 * function.c (identify_blocks): Enable test for misplaced notes.
5906 (all_blocks): Skip BLOCK_DEAD blocks.
5907 * integrate.c (integrate_decl_tree): Likewise.
5909 * errors.c (internal_error, trim_filename): New functions.
5910 (fancy_abort): Call internal_error.
5911 * errors.h (internal_error, trim_filename): New declarations.
5913 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5915 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5917 (EXTRA_CONSTRAINT): Formatting changes.
5919 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5921 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5923 2001-02-23 Per Bothner <per@bothner.com>
5925 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5926 so they can be called from java/jvspec.c.
5927 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5929 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5931 * i386.c (ix86_frame): New structure.
5932 (ix86_compute_frame_size): Kill.
5933 (ix86_compute_frame_layout): New.
5934 (ix86_save_reg): New.
5935 (ix86_can_use_return_insn_p): Use frame layout stuff.
5936 (ix86_expand_prologue): Likewise.
5937 (ix86_expand_epilogue): Likewise.
5938 (ix86_initial_elimination_offset): Likewise.
5939 (ix86_nsaved_regs): Use ix86_save_reg.
5940 (ix86_emit_save_regs): Likewise.
5942 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5944 * flow.c (find_sub_basic_blocks): New function.
5945 (split_block): Be ready for basic block introduced by CODE_LABEL.
5946 (commit_one_edge_insertion): Call find_sub_basic_block.
5948 * flow.c (make_edges): Add edge from entry for blocks starting with
5949 label having ALTERNATE_NAME
5951 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5953 * function.c (epilogue_done): Be ready for first basic block not
5954 containing PROLOGUE_END note.
5955 (reposition_prologue_and_epilogue_notes): Avoid placing
5956 PROLOGUE_END note between BASIC_BLOCK.
5958 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5960 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5962 2001-02-21 DJ Delorie <dj@redhat.com>
5964 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5965 check for current_function_has_nonlocal_goto from 1999-11-12.
5967 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5969 * diagnostic.c (trim_filename): No longer static.
5970 * toplev.h (trim_filename): Declare.
5971 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5972 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5973 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5974 (rtvec_check_failed_bounds): Likewise.
5975 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5977 * convert.c (convert_to_integer): Don't do unsigned unless result or
5978 both inputs are unsigned.
5980 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5983 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5985 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5987 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5989 * Makefile.in (resource.o): Add params.h dependence.
5990 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5991 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5992 * resource.c: Add dependence on params.h.
5993 (current_live_regs): Fix explanatory comment.
5994 (find_basic_block): Add new parameter to permit limiting search
5996 (mark_target_live_regs): Add new argument to find_basic_block call.
5997 (incr_ticks_for_insn): Likewise.
5999 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6001 * diagnostic.c (output_to_stream): Rename to
6002 output_buffer_to_stream. Loses the stream parameter.
6003 (init_output_buffer): Set diagnosic_buffer's stream.
6004 (flush_diagnostic_buffer): Adjust.
6005 (default_print_error_function): Likewise.
6006 (finish_diagnostic): Likewise.
6007 (verbatim): Likewise.
6009 * diagnostic.h (struct output_buffer): Add `stream' field.
6010 (output_buffer_attached_stream): New macro.
6012 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6014 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6015 check if either operand is divisible by C.
6016 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6017 If type is signed, consider negative numbers as well.
6019 2001-02-22 Richard Henderson <rth@redhat.com>
6021 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6022 reach .text instead of gp-relative relocs.
6023 * config/ia64/crtend.asm (.init): Likewise.
6025 2001-02-22 Andreas Jaeger <aj@suse.de>
6027 * extend.texi (C++ Attributes): Fix typo.
6029 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6031 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6032 functions, drop current_function_args_info.words test.
6033 (ia64_compute_frame_size): Mark syscall_linkage functions as
6034 using eight input registers.
6036 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6037 Bruce Korb <bkorb@gnu.org>
6039 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6040 * fixinc/README: Document how to convert sed substitutions
6041 to format style c_fix-es.
6042 * fixinc/fixincl.x: regen
6044 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6046 * gcc.c: Add comment explaining how to add a command-line option.
6047 Add title to specs language comment.
6049 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6051 * gcc.c (cc1_options): Add "-param".
6052 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6053 (option_map): Likewise.
6054 * toplev.c (display_help): Add entry for "--param".
6055 (independent_decode_option): Fix typographical error.
6057 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6058 Bernd Schmidt <bernds@redhat.com>
6059 Jan Hubicka <jh@suse.cz>
6061 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6062 (function_arg): Likewise.
6064 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6066 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6068 2001-02-21 Kazu Hirata <kazu@hxi.com>
6070 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6074 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6076 * flow.c (init_propagate_block_info): Canon address and use single_set
6077 for killing dead memory stores.
6079 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6081 * Makefile.in (reorg.o): Add params.h dependence.
6082 * params.def: Fix typographical error in comment.
6083 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6084 * params.h: Modify introductory comment.
6085 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6086 * reorg.c: Add dependence on params.h.
6087 (redundant_insn): Add parameterized throttle for search.
6088 (fill_simple_delay_slots): Add a comment explaining a variable.
6089 Move conditional out of loop, simplifying code.
6090 (fill_eager_delay_slots): Fix typographical error in comment.
6092 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6094 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6096 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6097 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6099 2001-02-21 Jason Merrill <jason@redhat.com>
6101 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6102 (struct tree_decl): Add uninlinable bitfield.
6103 * c-decl.c (duplicate_decls): Set it.
6104 * integrate.c (function_cannot_inline_p): Check it.
6106 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6107 DW_AT_MIPS_linkage_name to abstract methods.
6108 (dwarf2out_abstract_function): Emit class context before calling
6109 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6110 (gen_subprogram_die): Remove obsolete code.
6111 (gen_member_die): Don't include clones in the member list.
6112 (gen_decl_die): Emit abstract info for clone origin.
6113 * dwarfout.c (output_type): Don't include clones in the member list.
6114 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6115 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6116 DECL_ABSTRACT on a function that already has it set.
6118 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6119 (get_subprogram_die): Pass it in.
6121 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6123 * flow.c (mark_set_1): Make not_dead unsigned long. For
6124 non-pseudos, use it as a bitmask of the hard regs that
6127 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6129 * cppfiles.c: Update comments.
6130 (_cpp_read_file): Don't check for NULL filenames any more.
6131 * cppinit.c (cpp_start_read): Don't do canonicalization of
6132 in_fname and out_fname. Use the passed file name exclusively.
6133 (_cpp_handle_options): Don't treat "-" as a command line option,
6134 but as a normal filename.
6135 (_cpp_post_options): Canonicalize in_fname and out_fname.
6136 * cppmain.c (printer_init): Don't check out_fname for NULL.
6137 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6138 (init_c_lex): Update, and use "" to represent stdin to CPP.
6141 2001-02-20 Will Cohen <wcohen@redhat.com>
6143 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6144 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6145 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6148 2001-02-20 Stan Shebs <shebs@apple.com>
6150 * config/rs6000/rs6000.c (output_cbranch): Output branches
6151 on separate lines instead of using ';' to separate.
6153 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6155 * cppinit.c (set_lang): Move builtin handling to...
6156 (init_builtins): ...here.
6157 (_cpp_create_reader): Move call to set_lang.
6159 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6161 * stmt.c (expand_return): If an attempt is made to return the
6162 error_mar_node, treat the return like a return without a value.
6164 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6166 * sibcall.c (skip_copy_to_return_value): Call
6167 identify_call_return_value here, and return orig_insn if it
6168 returns zero. Hardret and softret arguments now unnecessary.
6169 (call_ends_block_p): Don't call identify_call_return_value here.
6171 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6173 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6174 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6176 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6178 * pa.c (move_operand): Accept code to load the address of a
6179 symbol out of the DLT as a valid move operand.
6180 (print_operand, case 'A'): New to handle generating a DLT
6181 reference for a LO_SUM expression.
6182 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6183 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6185 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6187 * README, cpp.texi, gcc.texi, version.c: Update version number to
6189 * cpp.1, gcov.1, gcc.1: Regenerate.
6191 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6193 * cppfiles.c (stack_include_file): Generate dependencies
6194 here, and manage include_count here too.
6195 (PRINT_THIS_DEP): Delete.
6196 (_cpp_execute_include): Do not generate dependencies here,
6197 apart from the case of a missing header. Do not manage
6199 (_cpp_read_file): Leave dependency generation to
6202 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6204 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6205 target_cpu_default. Remove dead assignment to
6208 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6210 * regclass.c (contains_reg_of_mode): Make global.
6211 (init_reg_sets): Remove contains_reg_of_mode; take into account
6212 CLASS_MAX_NREGS when looking for the proper mode.
6213 (dump_regclass): Dump only classes considered for the pseudo.
6214 (regclass): Use contains_reg_of_mode.
6216 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6218 * gcc.c (do_spec_1): 'n' for printing notices.
6219 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6221 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6223 * reg-stack.c (next_flags_user): Use current_block->end
6224 (swap_rtx_condition): Look for next user if flags don't die;
6225 give up on CALL_INSNs; use current_block->end.
6227 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6229 * sibcall.c (call_ends_block_p): New function.
6230 (optimize_sibling_and_tail_recursive_call): Use it.
6232 2001-02-18 Kazu Hirata <kazu@hxi.com>
6234 * config/h8300/h8300.md: Update copyright.
6235 (andsi3): Do not output an extra newline character.
6237 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6239 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6240 FNDECL may be unused.
6242 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6243 follow jumps after first run.
6244 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6245 it doesn't change any jumps.
6247 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6249 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6250 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6251 (mostlyclean): Corresponding changes.
6252 * rtlanal.c (hard-reg-set.h): Include.
6253 (rtx_unstable_p): Do not treat the argument pointer specially
6254 if it is not a fixed register.
6255 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6257 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6259 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6260 against last real insn in basic block.
6261 Rework to avoid gotos.
6263 * Makefile.in (gcse.o): Now includes ggc.h.
6264 * gcse.c: Include ggc.h.
6265 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6266 (try_replace_reg): Remove warning of uninitialize variable.
6267 (process_insert_insn): Call invalid_insn_p to validate insn.
6268 * recog.c (insn_invalid_p): Now global.
6269 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6270 * recog.h (insn_invalid_p): New declaration.
6272 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6274 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6275 assignments from FP constants since 'Y' output code can't handle it.
6276 (eligible_for_sibcall_delay): Likewise.
6278 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6279 Call fancy_abort directly, passing args.
6280 (print_rtl_and_abort): Now a macro, like fancy_abort.
6282 * final.c (output_operand_lossage): Use internal_error, not error.
6284 2001-02-18 Shane Nay <shane@agendacomputing.com>
6286 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6287 structure shift insns.
6289 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6291 * invoke.texi (-fsquangle): Remove documentation.
6292 (-fname-mangling-version): Likewise.
6294 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6296 * optabs.c (expand_abs): Remove reference to
6297 HAVE_contitional_arithmetic.
6298 * combine.c (simplify_set): Likewise.
6300 2001-02-18 Richard Henderson <rth@redhat.com>
6302 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6305 2001-02-18 Richard Henderson <rth@redhat.com>
6307 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6309 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6311 * reload1.c (reload_cse_simplify_set): Fix typo.
6313 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6315 * diagnostic.c (_fatal_insn): Decrement errorcount.
6317 * invoke.texi (-I): Add note avoiding use for system header files.
6319 * rtl.h (add_clobbers): Remove duplicate declaration.
6320 * recog.h (added_clobbers_hard_reg_p): New declaration.
6321 * genemit.c (struct clobber_pat): New field has_hard_reg.
6322 (gen_insn): Record if added clobbers clobber hard reg.
6323 (gen_split): Avoid unused warning if number of operands is 0.
6324 (output_added_clobbers_hard_reg_p): New function.
6327 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6329 * pa.c (hppa_expand_prologue): Simplify code storing return
6330 pointer. For large (>=8k) frames with a post_store, adjust stack
6331 pointer by 8k-64 first rather than by 64. When testing with
6332 VAL_14_BITS_P, always use the actual value rather than the value
6333 negated. Add blockage to prevent scheduling of spills before
6334 stack frame has been created.
6335 (hppa_expand_epilogue): Simplify code loading return pointer.
6336 Allow a slightly larger range for merge_sp_adjust_with_load case.
6337 When testing with VAL_14_BITS_P, always use the actual value.
6339 * pa.c (pa_adjust_insn_length): Check that block move
6340 pattern is a set before looking at operands.
6342 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6344 * fold-const.c (fold_binary_op_with_conditional_arg): New
6345 function, split out from ...
6347 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6348 conditional arms that throw exceptions.
6350 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6353 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6355 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6356 define HAVE_DECL_* to 1 to mask potential backup declarations.
6357 * configure: Regenerated.
6359 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6361 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6363 2001-02-17 Richard Henderson <rth@redhat.com>
6365 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6366 when replacing a memory load with a register.
6368 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6369 Jan Hubicka <jh@suse.cz>
6371 * recog.c (validate_replace_src_1): New.
6372 (validate_replace_src_data): Likewise.
6373 (validate_replace_src): Use note_uses.
6374 * rtl.h (note_uses): Declare.
6375 * rtlanal.c (note_uses): New.
6377 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6379 * reg-stack.c (stack_def): Make field reg unsigned.
6380 (remove_regno_note): Unsignetize parameter.
6382 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6384 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6385 shladd_operand() call.
6387 2001-02-16 Bruce Korb <bkorb@gnu.org>
6388 Rodney Brown <RodneyBrown@mynd.com>
6390 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6391 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6392 machine restrictions
6393 * fixinc/fixincl.x: regen
6395 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6397 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6399 (hash_scan_insn): Clean up calls to hash_scan_set.
6400 (compute_kill_rd): REGNO now unsigned.
6401 (try_replace_reg): Rework to use simplify_replace_rtx.
6402 (cprop_jump, cprop_cc0_jump): Likewise.
6403 (cprop_insn): Call find_reg_equal_equiv_note.
6404 Reflect changes to cprop_jump and cprop_cc0_jump.
6406 * recog.c (validate_replace_src): Replace in operands of
6407 ZERO_EXTRACT in SET_DEST.
6409 * cse.c (new_label_ref): New variable.
6410 (insert): Set it instead of recorded_label_ref.
6411 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6412 CODE_LABEL for this function, and not already in REG_LABEL note.
6414 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6416 * resource.c (mark_referenced_resources): Fix typo in introductory
6418 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6421 2001-02-16 Jason Merrill <jason@redhat.com>
6423 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6425 (gen_subprogram_die): Don't abort on seeing a second definition if
6426 the previous one was abstract. Don't replace an abstract instance
6427 in the lookup table.
6429 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6430 gen_abstract_function.
6431 * dwarf2out.h: Declare it.
6432 * toplev.c (note_outlining_of_inline_function): New fn.
6433 * toplev.h: Declare it.
6434 * integrate.c (output_inline_function): Call it.
6435 * c-decl.c (duplicate_decls): Call it when redefining an extern
6436 inline. Don't inline the new defn.
6438 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6440 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6442 * .gdbinit: Rename to gdbinit.in.
6443 * gdbinit.in: New file,
6444 * configure.in: Generate .gdbinit from gdbinit.in.
6445 * configure: Regenerated.
6446 * Makefile.in (distclean): Always remove .gdbinit.
6448 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6450 * objc/objc-act.c (start_class): Register implemented_classes with
6453 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6455 * cppfiles.c (_cpp_make_system_header): Generate a file
6458 2001-02-15 Jim Meyering <meyering@lucent.com>
6460 * Makefile.in (install-common): Don't depend on installdirs here.
6461 Instead, make each of the lang.install-common targets (e.g.,
6462 c++.install-common in cp/Make-lang.in) depend on it.
6463 (install-driver): Depend on installdirs.
6465 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6467 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6469 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6472 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6474 * invoke.texi (--param): Document.
6476 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6478 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6480 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6482 * i386.md (extendsfdf2_2): Fix constraints.
6484 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6486 * i386.md (fop_df_3 splitter): Fix operand number.
6488 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6490 * invoke.texi (-mreg-alloc): Nuke.
6491 * i386.c (ix86_reg_alloc_order, regs_allocated,
6492 order_regs_for_local_alloc): Nuke.
6493 (override_options): Kill reg_alloc code.
6494 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6495 (REG_ALLOC_ORDER): SSE goes before I387.
6496 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6497 (ix86_reg_alloc_order): Likewise.
6498 * i386-protos.h (ix86_reg_alloc_order): Kill.
6500 2001-02-14 Richard Henderson <rth@redhat.com>
6502 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6504 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6506 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6508 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6510 * i386-protos.h (ix86_memory_move_cost): Move offline.
6511 * i386.c (ix86_register_move_cost): Compute properly cost of
6512 SSE, MMX and i387 instructions.
6513 (*_cost): Add costs of SSE/MMX moves.
6514 (ix86_memory_move_cost): Move offline from ....; Likewise.
6515 * i386.h (MEMORY_MOVE_COST): .... here;
6516 (struct processor costs): Add new fields to represent costs
6519 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6521 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6522 move_cost together with Matt Kraai's fix.
6524 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6526 * Makefile.in (OBJS): Add params.o.
6528 2001-02-14 Richard Henderson <rth@redhat.com>
6529 DJ Delorie <dj@redhat.com>
6531 * jump.c (jump_optimize_1): When we delete a conditional jump
6532 preceeding a non-conditional jump to effectively the same place,
6533 make sure that the combined jump skips any clobber insns between
6536 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6538 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6540 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6542 * Makefile.in (toplev.o): Depend on params.h.
6543 (intergate.o): Likewise.
6544 (params.o): New target.
6545 * flags.h (inline_max_insns): Remove.
6546 * integrate.c: Include params.h.
6547 Use MAX_INLINE_INSNS instead of inline_max_insns.
6548 * params.c: New file.
6549 * params.h: Likewise.
6550 * params.def: Likewise.
6551 * toplev.c: Include params.h.
6552 (lang_independent_params): New variable.
6553 (decode_f_option): Use the param machinery instead of setting
6555 (independent_decode_option): Handle "--param name=value".
6556 (main): Register language-independent parameters.
6558 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6560 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6562 2001-02-14 Richard Henderson <rth@redhat.com>
6564 * regclass.c (init_reg_sets_1): Revert last two changes.
6566 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6568 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6569 (variable_size): Call put_pending_size.
6570 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6571 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6572 sizes list, put newly created SAVE_EXPR there as well.
6574 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6576 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6577 (errata_find_address_regs): load_group has only 2 entries.
6578 (errata_emit_nops): Likewise. shladd is not problematic.
6579 Clear last_group if nop was emitted.
6580 (fixup_errata): load_group has only 2 entries.
6583 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6585 * c-lex.c (lex_number): Only warn traditionally for U suffix
6586 outside system macros.
6587 * cppexp.c (parse_number): Similarly.
6588 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6589 * cppmacro.c (struct cpp_macro): New member node.
6590 (parse_args): Only warn about missing rest args if not
6592 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6593 (cpp_sys_objmacro_p): New.
6594 (_cpp_create_definition): Store the node with the macro defn.
6595 Remember if the macro is defined in a system header.
6597 2001-02-13 DJ Delorie <dj@redhat.com>
6599 * configure.in (check_languages): determine languages to check
6600 * Makefile.in (check-c++): alias for check-g++
6601 (check-f77): alias for check-g77
6602 (CHECK_TARGETS): depend on configured languages
6604 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6606 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6607 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6608 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6609 (sqrtextendsfdf2): Disable for SSE2.
6611 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6613 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6614 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6615 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6616 (sqrtextendsfdf2): Disable for SSE2.
6618 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6620 * i386.md (movsfcc_1): Support integer cmove instruction.
6621 (movdfcc_1): Likewise; new splitter.
6623 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6625 * i386.c (output_fp_compare): Support SSE.
6626 (prepare_fp_compare_args): SSE comparisons always support memory.
6627 * i386.h (TARGET_CMOVE): SSE imply cmove.
6628 * i386.md (cmp?f2): Enable for SSE too.
6629 (cmpfp_i*): Support SSE.
6631 (cmpfp_i_sse_only): New.
6632 (s*, b* fp expanters): Enable for SSE too.
6633 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6636 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6638 * regclass.c (init_reg_sets_1): Silence warning.
6640 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6642 * i386.md (sqrt?f2): Change to expander.
6643 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6645 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6647 * rtlanal.c (find_reg_equal_equiv_note): New function.
6648 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6649 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6650 * rtl.h: Add declarations for above functions.
6652 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6654 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6656 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6657 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6658 * flow.c (mark_regs_live_at_end): Likewise.
6659 (calculate_global_regs_live): Likewise.
6660 * gcse.c (compute_hash_table): Likewise.
6661 (compute_kill_rd): Likewise.
6662 * resource.c (mark_target_live_regs): Likewise.
6663 * rtl.h (INVALID_REGNUM): New macro.
6665 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6667 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6669 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6671 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6674 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6676 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6678 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6679 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6680 (fop_sf_1_sse, fop_df_1_sse): New patterns
6681 (fop_*): Disable float_extend and float patterns for SSE compilation.
6682 * i386.c (output_387_binary_op): Support SSE.
6684 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6686 * i386.md (dummy_extendsfdf2): Support SSE2
6687 (extendsfdf2): Enable if 80387 or SSE2.
6688 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6689 and no MIX_I387_SSE2
6690 (extendsfdf2_1_sse_only): New pattern.
6691 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6693 (truncdfsf2_1): Support SSE.
6694 (truncdfsf2_2): Support SSE.
6695 (truncdfsf2_2_1_sse): New pattern.
6696 (fixtruncsfsi2): Always use SSE if available.
6697 (fix_truncsfsi_sse): New pattern.
6698 (fix_truncdfsi_sse): New pattern.
6699 (floatsis?f2): Support SSE.
6700 (floatsidf2_i387): New pattern.
6701 (floatsidf2_sse): Likewise.
6703 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6705 * configure.in: Use "have_gnat" variable, not "gnat".
6706 * configure: Regenerated.
6708 * config/sparc/sparc.c (function_value): Treat all non-record
6709 aggregate types like used to treat UNION_TYPE.
6711 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6713 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6714 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6716 (MASK_MIX_SSE_I387): New.
6717 (TARGET_SSE): SSE2 imply SSE.
6718 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6719 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6720 (enum reg_class): Add new classes.
6721 (REG_CLASS_NAMES): Likewise.
6722 (REG_CLASS_CONTENTS): Likewise.
6723 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6724 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6725 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6726 (CLASS_MAX_NREGS): Use new macros.
6727 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6728 * i386.md (pushsf, movsf): Support SSE.
6729 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6730 splitters to use ANY_FP_REGNO_P.
6731 (movdf_nointeger, movdf_integer): Likewise.
6733 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6735 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6736 (try_combine): Use it.
6738 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6740 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6741 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6742 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6743 (REGISTER_MOVE_COST): Likewise.
6744 * i386-protos.h (ix86_secondary_memory_needed,
6745 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6746 * i386.c (ix86_secondary_memory_needed,
6747 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6749 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6751 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6752 (HARD_REGNO_MODE_OK): Move offline to ....
6753 * i386.c (ix86_hard_regno_mode_ok) ... here;
6754 refuse all incorrect modes.
6755 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6757 2001-02-13 Richard Henderson <rth@redhat.com>
6759 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6760 entire operator; replicate that and match_dup the operands.
6761 (cmp_ccx_arith_op_set): Likewise.
6762 (cmp_cc_arith_op_not_set): Likewise.
6763 (cmp_ccx_arith_op_not_set): Likewise.
6765 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6767 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6769 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6771 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6772 (TARGET_NO_BITFIELD_WORD): New macro.
6773 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6774 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6776 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6778 * cselib.c: New file, from simplify-rtx.c.
6779 * simplify-rtx.c: Remove cselib parts.
6780 * Makefile.in: Add cselib.o.
6782 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6784 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6785 (setup_incoming_varargs): Remove warning.
6787 * config/rs6000/rs6000.c (validate_condition_mode): When
6788 flag_fast_math, allow floating-point conditionals to be reversed.
6789 (rs6000_generate_compare): When flag_fast_math, don't generate
6790 cror operations for FP conditionals.
6792 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6794 (ASM_SPEC): Likewise.
6795 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6796 (CC1_SPEC): Likewise.
6797 (LINK_TARGET_SPEC): Likewise.
6798 (CPP_ENDIAN_SPEC): Likewise.
6799 * Makefile.in (check-consistency): New target.
6801 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6803 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6804 "return type defaults" warning for functions with return type
6806 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6807 function declarations by default rather than only when pedantic.
6809 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6811 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6814 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6816 * extend.texi (Deprecated): Deprecate new initializer lists.
6818 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6820 * mkdeps.c (deps_add_default_target): Robustify. Add
6821 basename component only.
6822 * cpp.texi (-M): Describe how default target is generated.
6823 * invoke.texi (-M): Likewise.
6825 2001-02-12 Kazu Hirata <kazu@hxi.com>
6827 * toplev.c (push_float_handler): Remove.
6828 (pop_float_handler): Remove.
6829 * toplev.h: Remove prototypes for the above functions.
6831 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6833 * c-common.c (constant_fits_type_p): New function.
6834 (convert_and_check): Use it.
6836 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6838 * Makefile.in (GXX_ABI_FLAG): Don't define.
6839 * configure.in (--enable-new-gxx-abi): Remove option.
6840 * config.in: Regenerated.
6841 * configure: Likewise.
6843 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6845 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6847 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6848 regular basic block, and arrange for all edges into it to switch
6851 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6853 * Makefile.in (distclean): Do not remove .gdbinit.
6855 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6857 * Makefile.in (gcc.o): Fix typos.
6858 (protize.o): Likewise.
6859 (unprotoize.o): Likewise.
6861 2001-02-11 Richard Henderson <rth@redhat.com>
6863 * tree.c (build1): Check for null operand in last change.
6865 2001-02-11 Richard Henderson <rth@redhat.com>
6867 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6868 (fold): Don't assume a constant isn't foldable.
6869 * tree.c (build): Set TREE_CONSTANT for an expression with no
6870 side-effects and constant operands.
6873 2001-02-10 Richard Henderson <rth@redhat.com>
6875 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6877 2001-02-10 Anthony Green <green@redhat.com>
6879 * cpp.texi (Standard Predefined): Add documentation for
6882 * c-common.c (combine_strings): Improve warning message.
6884 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6886 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6888 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6890 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6892 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6895 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6897 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6900 2001-02-09 Nick Clifton <nickc@redhat.com>
6902 * config/arm/arm.md: Change output contraint on post inc
6903 load/store multiple patterns to be a read/write contraint.
6905 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6907 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6908 .o files when using the -M options.
6910 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6911 David Edelsohn <edelsohn@gnu.org>
6913 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6914 handle DImode constants. Use one TOC entry for SImode and smaller
6915 constants, aligned properly.
6917 2001-02-08 Jason Merrill <jason@redhat.com>
6919 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6920 about the SP adjustment for saving the static chain pointer.
6921 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6922 offset when setting a temporary CFA register.
6924 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6926 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6927 powerpc-*-chorusos* .
6928 * config/rs6000/chorus.h : New file.
6929 * config/i386/chorus.h : New file.
6930 * config/sparc/chorus.h : New file.
6931 * config/sparc/t-chorus-elf : New file.
6933 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6935 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6936 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6937 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6938 (__WCHAR_TYPE__): Correct macro name.
6940 2001-02-08 Richard Henderson <rth@redhat.com>
6942 * config/i386/i386.c (ix86_frame_pointer_required): New.
6943 (ix86_setup_frame_addresses): New.
6944 (struct machine_funciton): Add accesses_prev_frame.
6945 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6946 ix86_frame_pointer_required.
6947 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6948 (SETUP_FRAME_ADDRESSES): New.
6949 * config/i386/i386-protos.h: Update.
6950 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6951 from FRAME_POINTER_REQUIRED.
6952 * config/i386/svr3gas.h: Likewise.
6953 * config/i386/sysv3.h: Likewise.
6954 * config/i386/v3gas.h: Likewise.
6956 2001-02-08 Richard Henderson <rth@redhat.com>
6958 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6959 calculation of the number of integer registers required.
6960 (function_arg_record_value): Likewise.
6962 2001-02-08 Jason Merrill <jason@redhat.com>
6964 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6965 two. Print file and line with "confused" message.
6967 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6969 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6971 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6973 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6975 * final.c (cleanup_subreg_operands): The address of a MEM can
6978 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6981 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6983 * gcc.texi (Incompatibilities): Update documentation of
6984 preprocessing numbers.
6986 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6988 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6990 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6992 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6994 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6995 * gcc.c (struct compiler): Add cpp_spec field.
6996 (input_file_compiler): New variable.
6997 (do_spec_1): Allow a particular compiler to handle `%C'
6999 (main): Store the current compiler in input_file_compiler.
7000 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7002 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7004 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7005 * cppinit.c (cpp_create_reader): Initialize them.
7006 (append_include_chain): cxx_aware arg might be unused.
7007 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7008 keywords and give them their phase 7 meaning. Pedwarn about
7009 this unless '__bool_true_false_are_defined' is defined.
7011 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7013 * lcm.c (optimize_mode_switching): Emit mode_set before the
7014 JUMP_INSN of an abnormal edge.
7016 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7018 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7019 a scheduling barrier at the end.
7021 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7023 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7025 * config/sh/sh.md (reload_outsf): Removed.
7026 (movsf_ie): Introduce constraints for FPUL loads and stores.
7027 (reload_insf): Broaden the output constraint.
7029 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7031 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7032 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7034 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7036 * final.c: Revert my previous changes.
7037 * output.h: Make profile_label_no extern.
7038 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7039 for generating label.
7041 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7043 * config/i386/djgpp.h: Add comments about standard paths.
7044 (MD_EXEC_PREFIX): Undefine before defining.
7045 (MD_STARTFILE_PREFIX): New.
7047 2001-01-30 Bruce Korb <bkorb@gnu.org>
7049 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7050 (load_file): do not rely on load_file_data() to close file pointer
7051 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7052 fixinc/inclhack.def(irix_limits_const): add test_text
7054 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7056 * cppexp.c (parse_defined): Improve diagnostics for invalid
7059 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7061 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7063 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7065 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7066 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7067 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7068 (rs6000_output_symbol_ref): New function.
7069 (output_toc): Use VTABLE_NAME_P.
7071 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7073 * print-tree.c (print_node, case PARM_DECL):
7074 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7076 * stor-layout.c (reference_types_internal): New variable.
7077 (internal_reference_types): New function.
7078 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7079 * tree.h (internal_reference_types): New declaration.
7081 * cse.c (find_best_addr): Fix typo in computing cost.
7083 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7085 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7086 and this is the sum of a pointer and a constant, we know the result
7088 (num_sign_bit_copies, case PLUS): Likewise.
7089 * explow.c (convert_memory_address): Remove opposite SUBREG.
7090 * function.c (instantiate_new_reg): New function (from common code).
7091 (instantiate_virtual_regs_1): Call it.
7092 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7093 if pointers sign- or zero-extend.
7094 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7095 If pointers extend unsigned, use inside of SUBREG.
7096 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7098 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7100 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7101 subdir of gcc_gxx_include_dir.
7102 (gcc_gxx_target_include_dir): Remove.
7104 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7106 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7107 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7108 a high-level description.
7110 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7112 * final.c: Move the declaration of profile_label_no to ...
7113 * output.h: ... here.
7114 * function.c (expand_function_start): Call PROFILE_HOOK.
7115 * config/rs6000/aix.h: Define PROFILE_HOOK.
7116 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7117 * config/rs6000/rs6000.c (output_profile_hook): Define.
7118 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7119 output_profile_hook.
7120 tm.texi : Explain new macro PROFILE_HOOK.
7122 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7124 * extend.texi (Extended Asm): Do not say that semicolon is always
7125 a valid line-breaking character for GNU assemblers. Use
7126 newline-tab as the most commonly supported syntax. Use
7127 newline-tab rather than semicolon in multi-insn examples.
7129 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7131 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7133 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7134 David Edelsohn <edelsohn@gnu.org>
7136 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7137 code for AIX, even without flag_pic.
7139 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7141 * c-typeck.c (common_type): push and pop binding level around
7142 calling common_type on function parameters.
7144 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7146 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7148 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7150 * config/mips/mips.c (override_options): Fix typo in last change.
7151 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7152 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7154 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7156 * invoke.texi (-fdump-class-layout): Document.
7157 (-fdump-translation-unit): Use `=' as filename separator.
7159 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7161 * Makefile.in (s-mlib): Don't build multilibs if
7163 (DRIVER_DEFINES): Adjust accordingly.
7165 (protoize.o): Likewise.
7166 (unprotoize.o): Likewise.
7167 * configure.in: Recognize --enable-multilib.
7169 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7171 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7173 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7174 * configure.in: Remove --enable-libstdcxx_v3 support.
7175 * configure: Regenerated.
7177 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7179 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7180 Call abort instead of fatal.
7181 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7182 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7183 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7184 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7185 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7186 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7188 * diagnostic.h (set_internal_error_function): Renamed.
7189 * toplev.h (internal_error): Renamed from fatal.
7190 (pfatal_with_name): Deleted.
7191 (fatal_io_error): Now has printf-style arguments.
7192 * diagnostic.c (pfatal_with_name): Deleted.
7193 (fatal_io_error): Rework to have args in printf-style.
7194 (set_internal_error_function): Renamed from set_fatal_function.
7195 (internal_error): Renamed from fatal.
7196 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7197 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7198 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7199 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7200 * flow.c (verify_flow_info): Likewise.
7201 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7202 * config/mips/mips.c (save_restore_insns): Likewise.
7204 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7205 * flow.c (verify_flow_info): Likewise.
7206 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7207 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7208 (avr_normalize_condition): Likewise.
7209 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7210 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7211 (limit_reload_class, double_reg_to_memory): Likewise.
7212 (print_operand_address, emit_1600_code_shift): Likewise.
7213 (gen_tst_reg, gen_compare_reg): Likewise.
7214 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7215 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7217 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7219 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7220 * objc/objc-act.c (build_ivar_chain): Likewise.
7221 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7223 * graph.c (clean_graph_dump_file): Likewise.
7224 * profile.c (init_branch_prob): Likewise.
7225 * objc/objc-act.c (objc_init): Likewise.
7227 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7228 * config/avr/avr.c (avr_override_options): Likewise.
7229 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7230 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7231 * config/h8300/h8300.c (h8300_init_once): Likewise.
7232 * config/mips/mips.c (override_options): Likewise.
7233 * config/i386/i386.c (override_options): Likewise, rework.
7234 * config/m68k/m68k.c (override_options): Likewise.
7236 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7238 * config/mips/mips.c (print_operand): Likewise.
7239 * hash.c (hash_allocate): Don't check for failure returns from
7240 obstack functions that can't fail.
7241 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7242 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7243 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7244 (get_object_reference): Likewise.
7246 2001-02-04 Nick Clifton <nickc@redhat.com>
7248 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7249 StrongARM1110, 10TDMI, and 1020T.
7251 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7253 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7255 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7257 * config/sh/sh.md (movdf load split): Pass register number to
7258 FP_OR_XD_REGISTER_P.
7260 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7262 * cppinit.c (BC): New macro.
7263 (builtin_array): Add __GXX_WEAK__.
7264 * cpplib.h (builtin_type): Add BT_WEAK.
7265 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7266 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7267 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7269 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7271 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7273 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7275 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7276 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7278 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7280 * cpphash.h: Rename ALIGN _ALIGN.
7281 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7283 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7285 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7286 compilation environment.
7287 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7288 control over location of cygwin includes and libs.
7290 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7292 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7294 2001-02-02 lars brinkhoff <lars@nocrew.org>
7296 * md.texi (Standard Names): remove reference to spur.md.
7298 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7300 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7301 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7302 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7303 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7304 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7306 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7308 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7309 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7310 number before reload.
7311 (c4x_adjust_cost): Return zero before reload.
7312 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7313 split before reload.
7315 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7317 * c4x.c (c4x_hard_regno_rename_ok): New.
7318 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7319 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7321 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7323 * diagnostic.h: Add missing "extern" in all declarations.
7325 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7327 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7328 as for gcc_gxx_include_dir.
7330 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7332 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7334 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7336 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7337 label before alignment to be used as the braf base address.
7338 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7340 (casesi_jump_2): Require at least TARGET_SH2.
7342 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7343 truncation to 32-bit doubles on -m3e and -m4-single-only.
7345 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7347 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7348 the default when building a shared object.
7349 (init_spec): Use it.
7350 * testsuite/lib/g++.exp: Include the directory where libgcc
7351 is located to the LD_LIBRARY_PATH list.
7352 * invoke.texi (-shared-libgcc): Document the cases in which
7353 GCC defaults to using the shared libgcc.
7355 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7357 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7358 unsigned is wide enough.
7360 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7361 (si_to_float): Likewise.
7362 (float_to_si, float_to_usi): Use BITS_PER_SI.
7364 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7366 * dwarf2out.c: Added explanation of abbreviations.
7367 (def_cfa_1): Added comments listing DWARF2 instructions.
7368 (cfa_temp_reg): Removed in favor of cfa_temp.
7369 (cfa_temp_value): Removed in favor of cfa_temp.
7370 (cfa_temp): New global variable.
7371 (dwarf2out_frame_debug_expr): Added extensive introductory
7372 comments explaining the function's transformations. Revised to
7373 use cfa_temp. Added some rtx checking. Generalize IOR case.
7374 (dwarf2out_frame_debug): Revised to use cfa_temp.
7375 (output_aranges): Cast as "unsigned" to avoid warning.
7376 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7377 explain which instructions must be marked.
7379 2001-02-01 Richard Henderson <rth@redhat.com>
7381 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7384 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7386 * config/sh/crt1.asm (main_k): Modified so that start calls
7387 ___setup_argv_and_call_main.
7389 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7391 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7392 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7393 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7394 * cppmacro.c (builtin_macro): Set builtin flags here.
7395 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7396 (replace_args): Clarify intent.
7397 (cpp_get_token): Macro expansion tokens get the saved flags.
7399 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7402 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7404 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7407 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7409 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7410 returns Pmode pseudo, but we need ptr_mode.
7411 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7412 Remove bogus conversions; use HOST_WIDE_INT for size.
7413 Don't use TARGET if wrong mode.
7415 * config/i386/i386.c (ix86_compute_frame_size): Allow
7416 stack_alignment_needed to be non-default even if size is zero.
7418 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7420 * pa.c (hppa_init_pic_save): New function.
7421 * pa.h (hppa_init_pic_save): Declare.
7422 * pa.md (call, call_value, sibcall, sibcall_value): Use
7423 the above instead of duplicated code.
7425 * pa.c (hppa_encode_label): Correct size of alloca buffer
7426 so we don't overrun it. Correct leading `*' case.
7427 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7428 need to handle `*@'.
7429 (FUNCTION_NAME_P): Likewise.
7431 2001-01-31 Richard Henderson <rth@redhat.com>
7433 * config.gcc (alpha-osf5): Use float-i128.h.
7435 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7436 * config/float-i32.h: Likewise.
7437 * config/float-i64.h: Likewise.
7438 * config/float-sh.h: Likewise.
7439 * config/float-sparc.h: Likewise.
7441 2001-01-31 DJ Delorie <dj@redhat.com>
7443 * expmed.c (extract_bit_field): allow non-integral modes if we
7444 want to extract a whole register from itself.
7446 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7448 * c-typeck.c (set_init_index): If first is equal to last, assume as
7449 if it was not a range at all.
7451 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7453 * config/fp-bit.c: Include tm.h.
7454 (float_to_si): Don't assume SImode is 32-bits wide.
7455 (float_to_usi): Likewise.
7457 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7459 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7461 (typename): Call pending_xref_error after parsing typed_typespecs.
7462 * c-decl.c (lookup_tag): Give error immediately rather than
7463 leaving it pending if the tag of the wrong type is in the same
7465 (xref_tag): Don't pedwarn for forward declarations of enum types
7467 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7470 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7472 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7474 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7476 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7477 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7479 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7481 * cpphash.h (struct cpp_reader): New saved_flags.
7482 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7483 to avoid a paste after a pasted token.
7485 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7487 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7488 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7489 Wtype_MIN instead of LONG_MIN.
7491 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7493 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7495 * fixinc/fixincl.x: Regenerated.
7496 * fixinc/inclhack.def (irix_limits_const): New definition to
7497 convert "const" to "__const" in limits.h.
7499 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7501 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7503 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7505 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7506 when register dies in the insn.
7508 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7510 * diagnostic.c (fatal): Fix word wrap.
7512 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7514 * combine.c (try_combine): Fix SUBREG setting for
7515 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7517 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7519 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7522 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7524 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7526 * toplev.c (decode_W_option): Update warn_larger_than
7527 unconditionally for each processed switch.
7529 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7531 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7533 (hppa_expand_prologue): Delete code to save pic offset table register
7534 in the function prologue.
7535 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7536 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7537 table register at the beginning of the function after the prologue.
7539 2001-01-29 lars brinkhoff <lars@nocrew.org>
7541 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7543 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7544 Jeff Law <law@redhat.com>
7546 * pa.md (return): Revise comment for trivial return.
7547 (return_internal): Non-trivial return pattern for non-PIC code.
7548 (return_internal_pic): Non-trivial return pattern for PIC code.
7549 It uses the PIC register to ensure it is restored after
7551 (epilogue): Generate appropriate return for PIC and non-PIC code.
7553 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7555 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7557 2001-01-29 DJ Delorie <dj@redhat.com>
7559 * combine.c (if_then_else_cond): Pass the correct mode to
7560 operand_subword() for constants.
7562 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7564 * config/i386/cygwin.h: Add w32api to include search. Search different
7565 directories in a cross-build environment.
7567 2001-11-29 Tim Josling <tej@melbpc.org.au>
7569 * tree.h (TYPE_STUB_DECL): Add documentation.
7571 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7573 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7574 (sdbout_field_types): Likwise. Fix use of host_integerp.
7576 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7578 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7581 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7583 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7584 to use flag_gnu_linker.
7586 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7588 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7589 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7591 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7593 * tree.c, tree.h (build_parse_node): Remove; was identical to
7595 * c-lang.c (start_cdtor), objc/objc-act.c
7596 (build_module_descriptor): Use build_nt instead of
7599 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7601 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7602 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7603 not have any upper bits set.
7605 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7607 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7609 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7611 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7613 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7615 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7616 (integer_minus_one_node): Define.
7618 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7620 * Makefile.in (bootstrap2-lean): Fix typo.
7622 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7624 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7625 : Don't set fe_value.
7626 * cpplib.h (AVOID_LPASTE): New flag.
7627 (struct cpp_hashnode): Remove fe_value.
7628 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7629 * cppmacro.c (builtin_macro): Don't set flags here.
7630 (replace_args): Set AVOID_LPASTE flag on first token of an
7631 argument, and the token following it.
7632 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7633 macro expansion, and on the token following it. Do it for
7635 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7637 2001-01-27 Richard Henderson <rth@redhat.com>
7639 * config/alpha/t-ieee: Remove multilibbing.
7640 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7642 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7644 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7646 * Makefile.in: Remove all dependencies on defaults.h.
7647 * builtins.c: Don't include defaults.h.
7648 * c-common.c: Likewise.
7649 * c-decl.c: Likewise.
7650 * c-pragma.c: Likewise.
7651 * c-typeck.c: Likewise.
7652 * combine.c: Likewise.
7654 * frame-ia64.c: Likewise.
7655 * cppexp.c: Likewise.
7656 * crtstuff.c: Likewise.
7657 * dbxout.c: Likewise.
7658 * dwarf2out.c: Likewise.
7659 * dwarfout.c: Likewise.
7660 * emit-rtl.c: Likewise.
7661 * except.c: Likewise.
7663 * final.c: Likewise.
7664 * frame-dwarf2.c: Likewise.
7665 * libgcc2.c: Likewise.
7666 * optabs.c: Likewise.
7667 * profile.c: Likewise.
7668 * sdbout.c: Likewise.
7669 * toplev.c: Likewise.
7670 * tradcif.y: Likewise.
7672 * varasm.c: Likewise.
7674 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7676 * builtins.c (expand_builtin_fputs): Use size_one_node when
7677 transforming into fwrite.
7679 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7681 * extend.texi (Attribute Syntax): New section.
7683 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7685 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7686 they didn't need fixing.
7688 2001-01-27 Janis Johnson <janis@us.ibm.com>
7690 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7692 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7693 to remove macro definitions that are duplicated from elfos.h.
7695 2001-01-27 Richard Henderson <rth@redhat.com>
7697 * config/i386/sco5gas.h: Move ...
7698 * config/usegas.h: ... here.
7699 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7701 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7703 * c-typeck.c (struct constructor_stack): Add range_stack member.
7704 (really_start_incremental_init): Clear it.
7705 (push_init_level): Save constructor_range_stack and clear it if
7706 pushing explicit braces.
7707 (pop_init_level): abort if constructor_range_stack is non-zero at
7708 explicit closing brace. Restore saved constructor_range_stack if
7711 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7713 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7714 into register was forced into memory.
7716 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7718 * Makefile.in: Remove uses of + before $(MAKE).
7720 2001-01-26 Richard Henderson <rth@redhat.com>
7722 * stmt.c (cost_table): Remove.
7723 (COST_TABLE, cost_table_initialized): New.
7724 (estimate_case_costs): Use the later instead of the former.
7725 (balance_case_nodes): Likewise.
7727 2001-01-26 Richard Henderson <rth@redhat.com>
7729 * alias.c (objects_must_conflict_p): Read-only slots may not
7730 conflict despite having the same type.
7732 2001-01-27 Michael Hayes <mhayes@redhat.com>
7734 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7736 (check_ext_dependant_givs): Initialise u_start_val and
7738 (load_mems): Make last_max_reg unsigned.
7739 (try_swap_copy_prop): Use INSN_P and initialise set.
7741 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7743 * README.AVR : Removed.
7745 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7747 * pa-64.h (text_section): Remove declaration.
7749 * pa.md (return_internal): Remove mode on PIC register use.
7751 2001-01-25 lars brinkhoff <lars@nocrew.org>
7753 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7754 ASM_CLOSE_PAREN): fix typos.
7756 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7758 * acconfig.h: Define `const' to the empty string if neither
7759 __STDC__ nor __cplusplus is defined.
7760 * config.in: Regenerated.
7762 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7764 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7765 * collect2.c (main): Delete importf. Add ".obj" file extension.
7766 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7767 (aix_std_libs): Add additional AIX libraries to skip.
7768 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7769 * config/rs6000/aix51.h: New file.
7771 2001-01-25 Michael Hayes <mhayes@redhat.com>
7773 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7774 (loop_insn_emit_before): No longer static.
7775 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7776 (loop_givs_rescan, load_mems): Likewise.
7777 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7778 (maybe_eliminate_biv_1):
7779 (move_movables): Replace emit_call_insn_before with
7780 loop_call_insn_hoist.
7781 * loop.h (loop_insn_emit_before): Add.
7782 * unroll.c (copy_loop_body): Replace emit_insn_before with
7783 loop_insn_emit_before.
7785 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7787 * diagnostic.c (fatal): Request preprocessed source.
7789 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7791 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7792 olddecl has argument types and newdecl has none, use the argument
7795 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7797 * dwarf2out.c (prefix_of): New function. Determine longest common
7798 prefix of the two arguments. The units are whole path components.
7799 (output_file_names): When adding a new directory find the one entry
7800 with the longest common prefix already in the list. Artificially
7801 generate entry if there is none for this prefix.
7802 Fix test to check whether the zeroth directory entry is used.
7804 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7806 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7807 Changed all callers. Take it into account when deciding if a
7808 previously loaded value matches.
7810 2001-01-24 Richard Henderson <rth@redhat.com>
7812 * reload.c (find_reloads_subreg_address): Fail the substitution
7813 if the resulting address is insufficiently aligned.
7815 2001-01-24 DJ Delorie <dj@redhat.com>
7817 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7818 check the original operand's mode also.
7819 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7821 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7823 * c-parse.in (cast_expr): Move compound literals from here ...
7824 (primary): ... to here. Use standard terminology "compound
7825 literal" instead of "constructor expression".
7827 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7829 * gcc.1, cpp.1: Regenerate.
7831 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7833 * calls.c (emit_library_call_value_1): Memory slot for
7834 pass-by-reference argument should have the mode of the argument,
7835 not of the pointer to it.
7837 2001-01-24 Tom Tromey <tromey@redhat.com>
7839 * gcc.texi (G++ and GCC): Mention gcj manual.
7840 (Standards): Link to section of manual mentioning gcj/Java
7843 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7845 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7846 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7847 * tradcpp.c (main): Add -imacros or -include'd dependencies
7849 * cpp.texi (-M, -MM): Document -M -include behaviour.
7851 2001-01-24 Roger Collins <roger@ProProject.com>
7853 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7855 2001-01-24 Will Cohen <wcohen@redhat.com>
7857 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7858 whether registers are 32 bits or 64 bits in size.
7860 2001-01-24 Ben Elliston <bje@redhat.com>
7862 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7864 2001-01-24 Richard Henderson <rth@redhat.com>
7866 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7867 (builtin_longjmp): Use it instead of emit_indirect_jump.
7869 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7871 * bb-reorder.c (make_reorder_chain_1): Handle case where
7872 jump edge goes to the same block as the fallthru edge.
7874 2001-01-23 Jim Wilson <wilson@redhat.com>
7876 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7877 * frame.h (__ia64_personality_v1): Add prototype.
7878 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7879 prototype form. Add void * cast to first argument to personality
7881 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7882 (asctoe113): Likewise.
7883 * config/ia64/frame-ia64.c: Include eh-common.h.
7884 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7886 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7888 (itanium_split_issue): Add prototype.
7889 (gen_nop_type): Ifdef out.
7890 (find_best_packet): Initialize best_packet.
7891 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7893 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7894 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7895 (flushrs): Add explicit stop bit at end.
7896 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7899 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7901 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7903 * libgcc2.c (__terminate_func): Make variable static.
7904 (__terminate_set_func): New function to set __terminate_func.
7905 * libgcc2.h (__terminate_func_ptr): New typedef.
7906 (__terminate_set_func): New function.
7908 2001-01-23 Richard Henderson <rth@redhat.com>
7910 * flow.c (init_propagate_block_info): Don't consider unchanging
7911 memories for dead frame store elimination.
7913 2001-01-23 Richard Henderson <rth@redhat.com>
7915 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7916 * defaults.h: ... here.
7918 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7920 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7922 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7924 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7926 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7928 * rs6000.h (rs6000_return_addr): Move prototype from here...
7929 * rs6000-protos.h (rs6000_return_addr): ...to here.
7930 (rs6000_init_expanders): Delete prototype.
7932 2001-01-23 Nick Clifton <nickc@redhat.com>
7934 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7935 (Spec Files): Document %B and %j and %. and %v3 and %M and
7936 %{S*&T} spec switches.
7938 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7940 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7942 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7943 Neil Booth <neil@daikokuya.demon.co.uk>
7945 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7946 Have -Werror make pedantic warnings errors, like the
7949 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7951 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7953 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7955 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7956 * integrate.c (expand_inline_function): Initialize them.
7957 (subst_constants): If changing COMPARE so that both its arguments
7958 will be VOIDmode and the comparison mode will be lost, note
7959 compare_mode. Use the recorded compare_mode to optimize
7962 2001-01-23 Jason Merrill <jason@redhat.com>
7964 * dwarf2out.c (new_die): Use xcalloc.
7965 (output_die): Abort rather than emit a local reference to offset 0.
7967 2001-01-17 Andrew Haley <aph@redhat.com>
7969 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7970 of a saved register; return NULL instead.
7971 (copy_reg): Take a pointer to a source register rather than a
7973 (next_stack_level): Remember the address in the stack frame of all
7975 Use the saved register pointer array as the source of the CFA.
7976 (throw_helper): Rewrite. Unwind once rather than twice and keep
7977 track of saved registers as we go.
7979 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7981 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7982 * c4x.c (c4x_legitimize_reload_address): Remove.
7983 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7984 reload address for ldp(k) insn.
7986 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7988 * pa.md (return_internal): Add a USE of the PIC register to ensure
7989 it is restored after each call.
7990 (return expander): Corresponding changes.
7992 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7994 * rs6000.h (INIT_EXPANDERS): Delete.
7995 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7996 * rs6000.c (rs6000_override_options): Call *_machine_status from
7998 (rs6000_init_expanders): ...instead of here. Delete.
7999 (rs6000_mark_machine_status): New function.
8000 (rs6000_init_machine_status): Use xcalloc.
8001 (rs6000_return_addr): Generate RTX for the return address.
8002 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8003 (rs6000_stack_info): Use it.
8005 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8007 * gthr-win32.h: Include errno.h to get a declaration for
8008 EINVAL and _mingw.h if the target is mingw32.
8010 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8012 * cpp.texi: Correct typos.
8014 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8016 * explow.c (probe_stack_range): Ensure value passed to
8017 stack_check_libfunc is ptr_mode, not Pmode.
8019 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8021 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8022 case, don't use operand_subword to calculate a SUBREG that is
8025 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8027 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8029 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8030 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8031 valid. If not replace it by equivalent insns.
8033 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8035 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8036 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8037 (c4x_U_constraint, symbolic_address_operand): Likewise.
8038 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8040 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8041 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8042 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8043 anulling slot because of silicon bug.
8044 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8046 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8048 * cppexp.c (parse_charconst): Change `mask' type to agree
8051 2001-01-21 Richard Henderson <rth@redhat.com>
8053 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8054 pic_label_name in a linkonce section.
8056 2001-01-17 Philipp Thomas <pthomas@suse.de>
8058 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8060 * configure: Regenerate.
8062 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8064 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8065 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8067 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8069 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8070 If REVERSE nonzero then condition code in X must be reversed.
8071 (encode_section_info): Optimise if/else.
8072 (avr_function_value): Fix formatting.
8074 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8075 (difficult_branch): Likewise.
8076 (rvbranch): Likewise.
8077 (difficult_rvbranch): Likewise.
8079 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8081 * config/avr/libgcc.S: Fix comment.
8083 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8085 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8087 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8089 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8091 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8093 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8094 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8095 * configure, config.in: Regenerate.
8096 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8097 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8098 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8099 (doprint.o): New rule.
8101 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8103 * c-typeck.c (digest_init): Handle boolean types as scalars.
8105 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8107 * stmt.c (expand_return): Don't return anything if size is zero.
8108 Delete redundant assignment to BYTES.
8109 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8111 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8113 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8114 the same as the default library function names.
8115 * config/avr/avr.md: Document special characters after '%'.
8116 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8117 knowing which of the call-used registers are really clobbered.
8118 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8119 New. Both quotient and remainder from one libgcc.S call.
8120 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8121 clobber as few registers as possible.
8122 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8124 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8126 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8127 context of the top of the stack.
8129 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8131 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8132 (fixup_var_refs_insns): ...here.
8134 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8136 * function.c (fixup_var_refs_insns): Break up into
8137 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8138 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8139 [loop over hash table entries].
8140 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8141 fixup_var_refs_insns_with_hash, to match above changes.
8143 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8145 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8146 (libgcc.a): Likewise.
8147 (stmp-multilib): Likewise.
8148 (STAGE2_FLAGS_TO_PASS): Likewise.
8150 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8152 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8153 temporary if no_new_pseudos.
8155 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8157 * cppinternals.texi: Update.
8159 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8161 * arm.c (arm_init_builtins): Re-enable builtins.
8163 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8165 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8166 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8167 element to be null, and always expect an EXPR_LIST.
8168 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8169 * sched-deps.c (sched_analyze_1): Likewise.
8170 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8172 * regclass.c (max_set_parallel): New variable.
8173 (reg_scan): Take it into account in computation of max_parallel.
8174 (reg_scan_mark_refs, case SET): Compute it.
8176 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8178 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8179 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8181 2001-01-19 Jason Merrill <jason@redhat.com>
8183 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8184 for the abstract instance of an inline function.
8186 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8187 J"orn Rennecke <amylaar@redhat.com>
8189 * reload1.c (move2add_note_store): Treat all registers directly or
8190 indirectly derived from a base register as members of the same set
8192 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8193 of base register into account.
8195 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8197 * alias.c (find_base_value): Recognize TRUNCATE.
8198 (record_set): In PLUS case, invalidate if other summand is also a
8201 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8203 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8204 entry to be EXPR_LIST.
8205 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8206 be an EXPR_LIST (but not null, which other code doesn't allow).
8207 (note_stores): Properly handle PARALLEL in SET.
8208 Recursively call for top-level PARALLEL.
8209 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8210 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8212 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8214 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8216 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8217 not pfile->skipping (== 0).
8219 2001-01-17 Nick Clifton <nickc@redhat.com>
8221 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8224 2001-01-17 Jim Wilson <wilson@redhat.com>
8226 * invoke.texi (IA-64 options): Improve.
8228 2001-01-17 Tom Tromey <tromey@redhat.com>
8230 * invoke.texi (Optimize Options): Use `{}' to around @samp
8233 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8235 * invoke.texi (-fno-guess-branch-probability): New option.
8237 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8239 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8240 case of making new double-word constant.
8241 Revert last change: instead just test i3_subst_into_i2.
8243 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8245 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8246 Use q constraints instead of r.
8248 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8250 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8251 (machine_function): Define.
8252 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8253 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8254 pa_free_machine_status): New functions.
8255 (override_options): Set {init,mark,free}_machine_status to above.
8256 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8257 PIC_OFFSET_TABLE_REGNUM_SAVED.
8258 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8259 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8260 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8261 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8262 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8264 2001-01-15 DJ Delorie <dj@redhat.com>
8266 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8270 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8272 * flow.c (propagate_on_insn): Make trying to delete a prologue
8273 or epilogue insn an ICE, not a warning. Allow doing this if
8274 the current function returns with stack pointer depressed.
8276 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8277 I3 having more than one SET.
8279 2001-01-16 Jim Wilson <wilson@redhat.com>
8281 * invoke.texi: Document IA-64 options.
8283 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8284 (fixup_errata): Delete TARGET_A_STEP use.
8285 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8286 (TARGET_SWITCHES): Delete -ma-step option.
8287 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8288 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8289 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8290 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8291 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8292 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8294 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8295 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8296 cmovsi_internal): Delete ! TARGET_A_STEP check.
8298 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8300 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8301 possibility to report bugs via postal mail. Change a URL and
8302 merge in a nearly duplicate statement...
8303 (Bug Reporting): ...from here.
8304 (Service): Refer to the Bug Reporting section instead of
8306 (Contributing): Remove trivial explanations concerning snapshots.
8308 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8310 * cppmain.c (general_init): Don't use ANSI prototype.
8312 2001-01-16 Tom Tromey <tromey@redhat.com>
8314 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8316 2001-01-16 Richard Henderson <rth@redhat.com>
8318 * config/i386/i386.h: Fix comment typo.
8319 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8320 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8322 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8324 * gcc.c: Revert previous -fsyntax-only-related change; move
8327 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8329 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8330 inmode after checking GET_CODE (op).
8332 2001-01-16 Richard Henderson <rth@redhat.com>
8334 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8335 (MAX_MEM_SET_LIST_LEN): New.
8336 (propagate_one_insn): Update mem_set_list_len.
8337 (invalidate_mems_from_autoinc): Likewise.
8338 (invalidate_mems_from_set): Likewise.
8339 (mark_used_regs): Likewise.
8340 (init_propagate_block_info): Likewise. Stop collecting memories
8341 when we reach MAX_MEM_SET_LIST_LEN.
8342 (mark_set_1): Likewise.
8344 2001-01-16 Richard Henderson <rth@redhat.com>
8346 * unroll.c (precondition_loop_p): Fail if no iteration
8349 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8351 * gcc.c: When -fsyntax-only is given, do not complain about
8354 2001-01-15 Richard Henderson <rth@redhat.com>
8356 * config/i386/i386.c (asm_output_function_prefix): Remove.
8357 (ix86_asm_file_end): New.
8358 (load_pic_register): Generate pic_label_name into a
8359 staticly allocated buffer.
8360 * config/i386/i386-protos.h: Update.
8361 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8362 (ASM_FILE_END): New.
8363 * config/i386/i386afe.h: New file.
8364 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8365 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8366 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8367 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8368 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8369 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8370 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8372 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8374 * Makefile.in (install-man): Remove explicit dependency on
8377 * configure.in, configure: Revert previous patch requiring perl
8380 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8382 * toplev.c (flag_guess_branch_prob): New.
8383 (f_options): Add guess-branch-probability option.
8384 (rest_of_decl_compilation): Only estimate branch probability if
8386 (main): set flag_guess_branch_prob.
8388 * flags.h (flag_guess_branch_prob): New.
8390 2001-01-15 DJ Delorie <dj@redhat.com>
8392 * gcc.texi (Makefile): Add documentation for Makefile targets.
8394 2001-01-15 Philip Blundell <philb@gnu.org>
8396 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8398 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8399 (is_pic): Delete declaration.
8400 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8401 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8402 * config/arm/arm.md (builtin_setjmp_receiver): New.
8404 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8406 * arm.c (use_return_insn): Don't try to determine the function type
8407 until after reload has completed.
8408 (arm_output_epilogue): Don't adjust the sp value recovered from the
8410 (emit_multi_reg_push): Don't record dwarf information for the pc.
8411 * arm.md (eh_epilogue): The function type may have changed, so it
8412 needs to be recalculated.
8413 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8414 unwind tables on arm/netbsd.
8416 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8418 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8419 (negated_cbranchsi4): Likewise.
8421 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8423 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8424 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8425 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8426 pass -mapcs-* options to assembler.
8427 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8428 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8429 (ASM_SPEC): Call subtarget_extra_asm_spec.
8431 2001-01-15 Andreas Jaeger <aj@suse.de>
8433 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8435 (ix86_expand_builtin): Likewise.
8437 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8438 warning about comparison between signed and unsigned.
8440 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8442 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8444 2001-01-14 Ralf Baechle <ralf@gnu.org>
8446 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8447 SUBTARGET_CPP_SPEC apropriatly.
8449 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8451 * varasm.c (make_decl_rtl): Fix typo in last change.
8453 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8455 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8456 linker supports the init_priority C++ attribute.
8457 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8458 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8459 linker does not support init_priority C++ attribute.
8461 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8463 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8465 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8467 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8468 * cp/lex.c (finish_parse): Similarly.
8469 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8470 Return the number of errors encountered.
8471 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8472 * cppmain.c (main): Don't call cpp_destroy.
8474 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8476 * configure.in: Require at least perl 5.6.0 to regenerate
8478 * configure: Regenerate.
8480 2001-01-14 Richard Henderson <rth@redhat.com>
8482 * genrecog.c (DT_veclen_ge): New.
8483 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8484 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8485 (nodes_identical_1): Handle DT_veclen_ge.
8486 (write_cond, debug_decision_2): Likewise.
8488 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8490 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8492 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8494 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8496 * cppmain.c (do_preprocessing): New function; most of the old
8498 (main): Call it to do most of the work.
8499 (cb): Move from global scope to set_callbacks ().
8500 (setup_callbacks): Get the callback pointer.
8501 (general_init, printer_init): Clean up code and comments.
8503 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8505 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8508 2001-01-14 Kazu Hirata <kazu@hxi.com>
8510 * config/h8300/h8300.c (get_shift_alg): Update comments.
8512 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8514 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8515 (alloc_page, ggc_alloc): Add casts to remove warnings.
8517 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8519 * combine.c (simplify_comparison): Don't change `code' when
8520 can't reverse comparison.
8522 2001-01-14 Richard Henderson <rth@redhat.com>
8524 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8525 update all call sites. Return true for all non-label constants.
8527 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8529 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8531 (ix86_expand_branch): Update.
8532 (ix86_expand_setcc): Update to handle multiple test conditions.
8533 (expand_int_movcc): Likewise.
8534 (expand_fp_movcc): Likewise.
8535 * i386-protos.h (ix86_expand_compare): New.
8536 * i386.md (andqi_?_slp, orqi_?_slp): New.
8537 (conditional trap expander): Update call to ix86_expand_compare.
8539 2001-01-14 Richard Henderson <rth@redhat.com>
8541 * config/vax/vax.md: Use nonimmediate_operand instead of
8542 general_operand in destinations.
8544 * config/vax/vax.md (indirect_jump): Use register_operand.
8546 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8547 * config/vax/vax.md (call_pop): Turn into an expander.
8548 (call_value_pop): Likewise.
8549 (call, call_value): New.
8551 2001-01-14 Andreas Jaeger <aj@suse.de>
8553 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8555 (ix86_fp_compare_mode): Add unused attribute.
8556 (ix86_expand_fp_movcc): Remove unused variable.
8557 (ix86_expand_builtin): Make fcode unsigned.
8559 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8560 (expand_expr): Add cast to avoid signed warning.
8561 (store_field): Likewise.
8562 (store_constructor_field): Likewise.
8563 (store_constructor): Likewise.
8564 (store_expr): Likewise.
8565 (clear_storage): Likewise.
8566 (emit_group_store): Likewise.
8567 (emit_group_load): Likewise.
8569 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8571 * c-common.c: Move format checking code to ...
8572 * c-format.c: ... here. New file. Reorder some functions and
8574 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8576 * c-common.h (decl_handle_format_attribute,
8577 decl_handle_format_arg_attribute): Declare.
8578 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8579 (c-common.o): Adjust dependencies.
8580 (c-format.o): New list of dependencies.
8582 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8584 * unroll.c (loop_iterations): If we cannot prove iteration variable
8585 is set once in each iteration, punt.
8587 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8589 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8590 (*strlenhi): Remove clobber (which was buggy) of output address.
8592 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8594 * Makefile.in (generated-manpages): Add gcc.1
8595 ($(srcdir)/gcc.1): New target.
8596 (maintainer-clean): Delete $(srcdir)/gcc.1.
8597 * gcc.texi: Add macros @gccoptlist and @gol.
8598 * invoke.texi: Include option summary in manpage. Mark up option
8599 summary with @gccoptlist and @gol. Use @r in one place where
8601 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8602 * gcc.1: Generate from invoke.texi.
8604 2001-01-13 Richard Henderson <rth@redhat.com>
8606 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8607 (struct page_entry): Add group member.
8608 (struct page_group): New.
8609 (struct globals): Add page_groups member.
8610 (alloc_anon): Only define for using mmap; remove valloc call.
8611 (page_group_index): New.
8612 (set_page_group_in_use): New.
8613 (clear_page_group_in_use): New.
8614 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8615 (free_page, release_pages): Likewise.
8616 * configure.in (with-gc): Default to ggc-page always.
8618 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8620 * reload1.c (replace_pseudos_in_call_usage): Use
8621 reg_equiv_constant and reg_equiv_address, and don't try
8622 regno_reg_rtx first.
8624 2001-01-13 Richard Henderson <rth@redhat.com>
8626 * ggc-page.c (alloc_page): Round up allocation size to one page.
8627 Set e->order on extra pages.
8629 2001-01-13 Richard Henderson <rth@redhat.com>
8631 * genrecog.c (nodes_identical): Expand commentary.
8632 (write_switch): Watch out for identical nodes.
8634 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8636 * cppfiles.c (_cpp_fake_include): New function.
8637 * cpphash.h (_cpp_fake_include): New.
8638 * cpplib.c (do_line): Call _cpp_fake_include when entering
8639 header files in preprocessed input.
8640 * cppmain.c (cb_pragma_implementation): Remove handling.
8641 (setup_callbacks): Don't register pragmas.
8643 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8645 * extend.texi: Udate for CPP.
8647 2001-01-13 Andreas Jaeger <aj@suse.de>
8649 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8651 * regmove.c: Add prototype for replace_in_call_usage.
8653 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8655 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8656 struct cpp_chunk, struct htab, struct toklist,
8657 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8658 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8659 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8660 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8661 (struct macro_args): Delete.
8662 * cpphash.h: See above.
8664 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8666 * cppmain.c (struct printer): Remove no_line_dirs.
8668 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8669 : Use options rather than CPP_OPTION.
8670 (setup_callbacks): Use cb rather than pfile->cb.
8671 (main): No need to check for a buffer. Use cpp_errors.
8672 (printer_init): Don't set no_line_dirs.
8673 (maybe_print_line): Use options not no_line_dirs.
8674 (cb_file_change): Don't call print_line if -P.
8676 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8678 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8680 * c-parse.in (finish_parse): Use cpp_errors.
8681 (__yylex): Use return value of cpp_pop_buffer.
8682 * cp/lex.c (finish_parse): Use cpp_errors.
8683 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8685 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8687 * README.AVR: URLs corrected.
8689 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8691 * c-decl.c (start_function): Don't warn if old prototype is builtin
8692 that's not in C's namespace.
8693 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8694 (_bb): Add prototype for ctime.
8695 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8697 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8699 * i386.c (ix86_fp_comparison_arithmetics_cost,
8700 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8701 ix86_fp_comparison_cost): New functions.
8702 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8703 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8704 two-branch sequences; make static.
8705 (ix86_use_fcomi_compare): Do decision according to the costs.
8706 (split_fp_branch): New.
8707 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8708 * i386-protos.h (ix86_expand_fp_compare): Remove
8709 (ix86_split_fp_branch): Declare.
8711 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8712 and ix86_comparison_operator.
8714 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8717 * i386.c (put_condition_code): Output properly the unordered/ordered
8718 compares in fp case.
8719 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8721 * tm.texi (REVERSE_CONDITION): Document.
8722 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8723 in -ffast-math mode.
8724 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8726 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8728 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8730 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8733 * config/sh/sh.c (mova_p): Fix test for mova_const.
8735 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8737 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8738 cpp_get_options rather than dereferencing pfile and using
8740 * scan-decls.c (scan_decls): Use return value of
8741 cpp_pop_buffer rather than CPP_BUFFER.
8743 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8745 * cppinit.c (cpp_handle_option): help_only is now part of the
8746 cpp_options structure.
8747 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8748 cpp_set_callbacks): New functions.
8749 * cpplib.h (cpp_callbacks): Break out as a named structure.
8750 (cpp_options): Move help_only here from cpp_reader.
8751 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8752 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8753 cpp_set_callbacks): New prototypes.
8754 * cppmain.c (main): Update for help_only.
8756 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8758 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8759 Also build and remove and install and uninstall c-tree.info and
8761 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8762 ($(srcdir)/cppinternals.info): New target.
8763 * c-tree.texi: Change file name used when makeinfo used without -o
8764 from ir.info to c-tree.info. Add info directory entry.
8765 * cppinternals.texi: Add info directory entry.
8766 * .cvsignore: Update.
8768 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8770 * c-typeck.c (store_init_value): Don't require constant initializer
8771 elements with -pedantic -std=c99.
8772 (digest_init): Change error about non-constant initializer elements
8774 (constructor_range_end): Remove.
8775 (constructor_incremental, designator_depth,
8776 designator_errorneous): New variables.
8777 (struct constructor_stack): Remove range_end, add incremental.
8778 (struct constructor_range_stack, constructor_range_stack): New.
8779 (struct initializer_stack): Add constructor_range_stack.
8780 (finish_init): Set it.
8781 (start_init): Likewise. require_constant_elements for non-static
8782 trees only if not flag_isoc99.
8783 (really_start_incremental_init): Remove constructor_range_end, add
8784 constructor_incremental.
8785 (pop_init_level): Likewise.
8786 (push_init_level): Likewise. If implicit and the subobject had some
8787 value set already, preinitialize the level with it.
8788 Warn about missing braces only if not pushing due to designators.
8789 (set_designator, push_range_stack): New functions.
8790 (set_init_label): Use them.
8791 (set_init_index): Likewise. Remove constructor_range_end.
8792 Error if designator index is outside of array bounds.
8793 (add_pending_init): Compare values of purpose index trees, not the
8794 trees themselves. Allow overwriting of already initialized element.
8795 Issue a warning if it had side-effects.
8796 (set_nonincremental_init, set_nonincremental_init_from_string): New
8798 (pending_init_member): Rename to...
8799 (find_init_member): ...this function. Call set_nonincremental_init
8800 if necessary. Compare values of purpose index trees, not the trees
8801 themselves. Return the actual value, not just non-zero if something
8803 (output_init_element): Remove checks for duplicates.
8804 If field has zero size, only check the initializer for correctness.
8805 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8806 if constructor_incremental is zero. Change error about initializers
8807 not computable at load time into pedwarn.
8808 (output_pending_init_elements): Compare bit positions, not
8809 FIELD_DECLs to take into account zero-sized fields.
8810 (process_init_element): Use constructor_range_stack to fill all
8811 ranges in the designator lists from current level up.
8812 * extend.texi: Update documentation for labeled elements.
8814 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8816 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8817 to function usage for arguments passed by reference. Optimize
8818 callee-copied arguments.
8819 * regmove.c (replace_in_call_usage): New function.
8820 (fixup_match_1): Call it.
8821 * cse.c (cse_insn): Canonicalize registers in function usage.
8822 * reload1.c (replace_pseudos_in_call_usage): New function.
8825 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8828 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8830 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8833 2001-01-12 DJ Delorie <dj@redhat.com>
8835 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8836 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8839 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8841 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8842 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8843 -std options alongside references to -ansi. Update some
8844 documentation for C99.
8845 * cpp.1: Regenerate.
8847 2001-01-12 Andreas Jaeger <aj@suse.de>
8849 * haifa-sched.c (restore_line_notes): Remove argument block B
8851 * sched-ebb.c (schedule_ebb): Change caller.
8852 * sched-rgn.c (schedule_region): Likewise.
8853 * sched-int.h (restore_line_notes): Adjust prototype.
8855 * loop.h: Remove wrong declaration of doloop_condition_get.
8857 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8859 * extend.texi: Move C++-extension-related node from the C section
8860 into the C++ section.
8862 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8864 * extend.texi: Refer to an array of pointers to functions instead
8865 of one of functions.
8867 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8868 Jan Hubicka <jh@suse.cz>
8870 * combine.c (reversed_comparison): Fix typo in last patch.
8872 (combine_reversed_comparison_code): Make static to follow
8873 prototype declaration.
8875 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8877 * install.texi: Remove misplaced duplicate entry.
8879 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8881 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8883 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8885 * final.c: (leaf_function_p): Fix typo.
8887 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8889 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8890 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8892 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8893 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8894 mmap_anon, and valloc is available.
8895 * ggc-page.c: Restructure ifdef logic to match new autoconf
8896 spec. Don't throw away the test page in init_ggc.
8898 * configure, config.in: Regenerate.
8900 2001-01-12 Michael Hayes <mhayes@redhat.com>
8902 * loop.h (total_biv_increment): Constify iv_class pointer.
8903 (struct induction): Replace `mem_mode' with `mem' rtx.
8904 * unroll.c (total_biv_increment): Constify iv_class pointer.
8905 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8906 (find_mem_givs, combine_givs_p): Likewise.
8907 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8909 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8911 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8913 (__gthread_getspecific): Ditto.
8915 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8917 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8918 put_condition_code): Convert fp comparison codes to integer
8920 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8923 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8924 * i386-protos.h (no_comparison_operator): Kill.
8926 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8928 * combine.c (REVERSIBLE_CC_MODE): Remove.
8929 (reversible_comparison_p): Remove.
8930 (combine_reversed_comparison_code): New.
8931 (reversed_comparison): New.
8932 (combine_simplify_rtx): Use
8933 combine_reversed_comparison_code/reversed_comparison instead
8934 of reversible_comparison_p.
8935 (simplify_if_then_else): Likewise.
8936 (simplify_set): Likewise.
8937 (simplify_logical): Likewise.
8938 (if_then_else_cond): Likewise.
8939 (known_cond): Likewise.
8940 (simplify_comparison): Likewise.
8942 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8944 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8945 sizeof (int) is larger than sizeof(__word__).
8947 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8949 * cppinit.c (do_includes): Fix typo.
8951 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8953 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8954 in S_REGS does not occur because not all sources are possible
8955 when a S_REGS is a destination (sometimes needs a clobber).
8956 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8957 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8958 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8959 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8960 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8961 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8962 (lshrdi_const1, lshrsi3_const16): Likewise.
8963 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8964 (*movhi_68hc12, *movqi_68hc12): Likewise.
8965 (movstrictqi): Make sure reloading in D_REGS as a destination
8968 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8970 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8972 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8974 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8975 -D, -U and -A, and don't initialize the builtins.
8976 (do_includes): Error if -include or -imacros with -fpreprocessed.
8977 * cppmain.c (cb_define, cb_undef): Unconditionally process
8979 * tradcpp.c (main): Fix typo.
8981 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8983 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8984 (read_name_map): Use IS_ABSOLUTE_PATH.
8985 * tradcpp.c (get_filename): Likewise.
8987 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8989 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8990 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8991 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8992 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8993 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8994 (cmphi_z_used): Don't use '@' for the output.
8995 (tstqi_z_used): Likewise.
8996 (cmpqi_z_used): Likewise.
8997 (one_cmplsi2): Likewise.
8999 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9001 * config/sh/sh.c (barrier_align): Recognize branch around far
9002 branch and redundant insn.
9004 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9006 * invoke.texi: Restore documentation of the drivers' switches -MD
9009 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9011 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9013 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9014 check-objc//%): Support parallel testing of multilibs.
9015 (TESTSUITEDIR): Set to testsuite by default, but override for
9017 (check-gcc, check-g++, check-g77, check-objc): Enter
9020 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9022 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9023 * sched-deps.c (deps_may_trap_p): Likewise.
9024 * basic-block.h: Remove a comment.
9025 * flow.c (PROP_POSTRELOAD): Remove.
9026 (update_life_info): Don't add it to prop_flags.
9027 (mark_set_1): Lose the code that was enabled by it.
9029 2001-01-11 Michael Hayes <mhayes@redhat.com>
9031 * flow.c (flow_call_edges_add): New.
9032 * basic_block.h (flow_call_edges_add): New.
9034 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9036 * reload1.c (move2add_note_store): Update reg_set_luid even if
9037 base reg remains the same.
9039 2001-01-10 Nick Clifton <nickc@redhat.com>
9041 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9042 machine_function structure to zero.
9043 Add prototypes for machine_status functions.
9045 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9047 * c-common.h (CTI_VOID_LIST): Remove.
9048 (void_list_node): Likewise.
9049 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9050 (void_list_node): New macro.
9051 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9052 * config/i386/i386.c (ix86_init_builtins): Likewise.
9053 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9055 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9057 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9058 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9060 * tradcpp.c: Include mkdeps.h.
9061 (deps, print_deps_phony_targets, deps_append, output_deps,
9062 init_dependency_output, output_deps): New.
9063 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9064 deps_output): Delete.
9065 (print_deps_missing_files): Rename deps_missing_files.
9066 (inhibit_output): Make global.
9067 (main): Delete inhibit_output, deps_stream, deps_target.
9068 Use mkdeps functionality in the same way as cpplib. Remove
9069 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9070 -M and -MM. Remove old handling of deps via deps_out, and
9071 old reading of environment variables.
9072 (get_filename): Update to use deps_add_dep.
9074 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9076 * output.h (make_function_rtl): Remove prototype.
9077 (make_decl_rtl): Likewise.
9078 * varasm.c (make_function_rtl): Remove.
9079 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9080 than from a third parameter.
9081 * tree.h (make_decl_rtl): Remove last parameter.
9082 * c-decl.c (builtin_function): Remove last argument in call to
9083 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9084 (start_function): Likewise.
9085 * except.c (call_get_eh_context): Likewise.
9086 * expr.c (emit_block_move): Likewise.
9087 (clear_storage): Likewise.
9088 * profile.c (output_func_start_profiler): Likewise.
9089 * toplev.c (rest_of_decl_compilation): Likewise.
9090 * objc/objc-act.c (create_builtin_decl): Likewise.
9091 (synth_module_prologue): Likewise.
9092 (generate_static_reference): Likewise.
9093 (build_selector_reference_decl): Likewise.
9094 (build_class_reference_decl): Likewise.
9095 (build_objc_string_decl): Likewise.
9096 (build_protocol_reference): Likewise.
9098 2001-01-10 Richard Henderson <rth@redhat.com>
9100 * hwint.h: Revert yesterday's change.
9102 2001-01-10 Nick Clifton <nickc@redhat.com>
9104 * function.h (save_machine_status): Delete.
9105 (restore_machine_status): Delete.
9106 Amend comment describing {init|mark|free}_machine_status.
9108 * function.c (save_machine_status): Delete.
9109 (restore_machine_status): Delete.
9110 Amend comment describing {init|mark|free}_machine_status.
9111 (push_function_context_to): Remove invocation of
9112 save_machine_status.
9113 (pop_function_context_from): Remove invocation of
9114 restore_machine_status.
9116 * emit-rtl.c (init_emit_once): Amend comment describing
9117 {init|mark|free}_machine_status.
9119 * tm.texi (Per-Function Data): New node. Describe the
9120 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9123 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9125 * cppinit.c (OPT_g): Remove.
9126 (cpp_handle_option): Update for removed -g3.
9127 (print_help): Update.
9128 * cpplib.h (struct cpp_options): Remove debug_output.
9129 * cppmain.c (setup_callbacks, cb_define): Update.
9130 * gcc.c (cpp_options): Translate -g3 to -dD.
9132 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9134 * config/i960/i960.md: Change modifier to + on the zero_extract
9135 pattern after the (rotate -2 reg) canonicalization pattern.
9137 2001-01-10 Richard Henderson <rth@redhat.com>
9139 * config/alpha/alpha.c (alpha_free_machine_status): New.
9140 (override_options): Install it.
9141 (alpha_mark_machine_status): Verify machine non-null.
9142 * config/i386/i386.c (ix86_free_machine_status): New.
9143 (override_options): Install it.
9144 (ix86_init_machine_status): Use xcalloc.
9145 (ix86_mark_machine_status): Verify machine non-null.
9146 * config/ia64/ia64.c (ia64_free_machine_status): New.
9147 (ia64_override_options): Install it.
9148 (ia64_mark_machine_status): Verify machine non-null.
9150 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9152 * function.c (instantiate_virtual_regs): Instantiate virtual
9153 registers found in CALL_INSN_FUNCTION_USAGE.
9155 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9157 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9158 equivalent to -ansi in disabling -Di386.
9160 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9162 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9164 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9166 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9168 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9170 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9172 * invoke.texi: Document that -fcond-mismatch isn't supported for
9175 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9177 * gcc.texi: Define macro gcctabopt.
9178 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9179 @command, @env and @option in some places where appropriate. Use
9180 @gcctabopt where appropriate. Put URLs and email addresses inside
9183 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9185 * gcc.c (cpp_options): Set MD file name from output
9186 filename, if specified.
9187 (suffix_subst): New static variable.
9188 (do_spec): Clear it.
9189 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9191 (give_switch): Handle suffix_subst.
9193 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9195 * invoke.texi: Fix another typo.
9197 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9199 * invoke.texi: Fix typo.
9201 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9203 * c-lang.c (lang_hooks): Update.
9204 (lang_decode_option): Remove.
9205 (lang_init_options): Rename c_init_options.
9206 * toplev.c (main): Use lang_hooks for lang_init_options
9207 and lang_decode_option.
9208 * toplev.h (lang_hooks): Add 2 new hooks.
9209 * tree.h: Remove lang_init_options and lang_decode_option.
9210 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9211 * cp/decl2.c: Similarly.
9212 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9213 (lang_hooks): Update.
9214 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9216 (lang_init_options): Rename ffe_init_options.
9217 (lang_hooks): Update.
9218 (lang_decode_option): Remove.
9219 * java/lang.c (lang_init_options): Rename java_init_options.
9220 (lang_decode_option): Rename java_decode_option.
9221 (lang_hooks): Update.
9222 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9223 (lang_decode_option): Rename objc_decode_option.
9224 (lang_hooks): Update.
9226 2001-01-09 Nick Clifton <nickc@redhat.com>
9228 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9229 (d30v_return_addr_rtx): Delete.
9230 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9231 cfun->machine structure.
9232 (struct machine_function): Move to d30v.h
9233 (d30v_save_machine_status): Delete.
9234 (d30v_restore_machine_status): Delete.
9235 (d30v_init_machine_status): New Function.
9236 (d30v_mark_machine_status): New Function.
9237 (d30v_free_machine_status): New Function.
9238 (d30v_init_expanders): Use new functions.
9239 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9240 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9241 d30v_return_addr_rtx.
9243 * config/d30v/d30v.h (struct_machine): Move here.
9244 Add eh_epilogue_sp_ofs field.
9246 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9247 field in cfun->machine structure.
9249 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9251 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9252 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9253 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9255 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9257 * objc/lang-options.h: Remove bogus reference to
9260 2001-01-09 Kazu Hirata <kazu@hxi.com>
9262 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9265 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9267 * reload.c (find_reloads_address): Check for eliminable registers
9268 when substituting a constant expression for a pseudo.
9270 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9272 * c-common.c (enum format_type): Add format_type_error.
9273 (decode_format_type): New function.
9274 (decl_attributes): Use it.
9275 (format_kind_info): Adjust comment.
9277 2001-01-09 David O'Brien <obrien@BSDi.com>
9279 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9280 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9282 * config/i386/gnu.h: Don't include required platform specific .h files,
9283 tm.h will do it instead.
9284 * config/i386/i386elf.h: Likewise.
9285 * config/i386/linux.h: Likewise.
9286 * config/i386/moss.h: Likewise.
9287 * config/mips/gnu.h: Likewise.
9289 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9291 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9292 (rs6000-ibm-aix3.[01]*): Likewise.
9293 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9294 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9295 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9296 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9297 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9298 (powerpc-*-eabiaix*): Likewise.
9299 (powerpc-*-eabisim*): Likewise.
9300 (powerpc-*-elf*): Likewise.
9301 (powerpc-*-eabi*): Likewise.
9302 (powerpc-*-rtems*): Likewise.
9303 (powerpc-*-linux*libc1): Likewise.
9304 (powerpc-*-linux*): Likewise.
9305 (powerpc-wrs-vxworks*): Likewise.
9306 (powerpcle-wrs-vxworks*): Likewise.
9307 (powerpcle-*-sysv*): Likewise.
9308 (powerpcle-*-elf*): Likewise.
9309 (powerpcle-*-eabisim*): Likewise.
9310 (powerpcle-*-eabi*): Likewise.
9311 (powerpcle-*-solaris2*): Likewise.
9312 * config/rs6000/aix31.h: Delete includes.
9313 * config/rs6000/aix3newas.h: Likewise.
9314 * config/rs6000/aix41.h: Likewise.
9315 * config/rs6000/aix43.h: Likewise.
9316 * config/rs6000/beos.h: Likewise.
9317 * config/rs6000/rtems.h: Likewise.
9318 * config/rs6000/sysv4.h: Likewise.
9320 2001-01-09 Kazu Hirata <kazu@hxi.com>
9322 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9323 Change an argument mode of machine_mode to shift_mode of
9324 shift_mode. Remove an extra error check.
9325 (emit_a_shift): Adopt to the new calling prototype of
9327 (function_prologue): Fix code for a monitor
9328 function. Support H8/S.
9329 (function_epilogue): Do not output pop for a monitor function.
9331 2001-01-09 Nick Clifton <nickc@redhat.com>
9333 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9334 (setup_incoming_varargs): Use sysv_varargs_p field of the
9335 cfun->machine structure.
9336 (struct machine_function): Move to rs6000.h
9337 (rs6000_save_machine_status): Delete.
9338 (rs6000_restore_machine_status): Delete.
9339 (rs6000_init_machine_status): New Function.
9340 (rs6000_free_machine_status): New Function.
9341 (rs6000_init_expanders): Use new functions.
9343 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9345 (struct machine_function): Move here.
9347 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9348 sysv_varargs_p field of the cfun->machine structure.
9350 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9352 (rs6000_restore_machine_status): Remove prototype.
9354 2001-01-09 Richard Henderson <rth@redhat.com>
9356 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9357 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9358 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9359 (sched_analyze_2, sched_analyze_insn): Likewise.
9360 (sched_analyze, init_deps): Likewise.
9361 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9362 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9363 (compute_block_backward_dependences): Update propagate_deps call.
9365 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9367 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9369 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9371 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9372 (cpp_handle_option): Handle them.
9373 (cpp_post_options): Ensure one of -M or -MM is specified with
9374 any other -M? option.
9375 (init_dependency_output): Suppress output with -MG.
9377 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9380 * invoke.texi: Update.
9382 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9384 * sh.md (reload_outsf): Generate recognizable patterns for
9387 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9389 * c-lang.c (lang_hooks): Update.
9390 (lang_init): Rename c_init.
9391 (lang_finish): Remove.
9392 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9394 * toplev.h (lang_hooks): Add init () and finish ().
9395 * tree.h (lang_init, lang_finish): Remove.
9396 * cp/tree.h (lang_init, lang_finish): Remove.
9397 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9398 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9400 (lang_init, lang_finish): Remove.
9401 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9402 (lang_hooks): Update.
9403 * java/lang.c (lang_init): Rename java_init.
9404 (lang_finish): Remove.
9405 (lang_hooks): Update.
9406 * objc/objc-act.c (lang_init): Rename objc_init.
9407 (lang_finish): Remove.
9408 (lang_hoooks): Update.
9410 20001-01-09 Graham Stott <grahams@redhat.com>
9412 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9413 after `ptr` is initialised.
9415 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9417 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9418 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9419 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9420 stack adjusts, instead of r3.
9422 2001-01-09 Michael Hayes <mhayes@redhat.com>
9424 * flow.c (flow_loop_scan): Break out of ...
9425 (flow_loops_find) ... here.
9426 * basic-block.h (flow_loop_scan): New.
9427 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9428 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9430 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9432 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9434 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9435 realloc()ing macro_buffer.
9437 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9438 if it's wider than long and the target's long is wider than the
9441 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9443 Remove support for using UWIN as a host machine.
9444 * configure.in: Issue an error message.
9445 * configure: Regenerated.
9446 * config.gcc: Remove xm_* UWIN configury.
9447 * config/i386/xm-uwin.h: Remove.
9449 2001-01-08 Nick Clifton <nickc@redhat.com>
9451 * config/v850/v850.c (ra_rtx): Delete.
9452 (v850_save_machine_status): Delete.
9453 (v850_restore_machine_status): Delete.
9454 (v850_init_machine_status): New function.
9455 (v850_mark_machine_status): New function.
9456 (v850_free_machine_status): New function.
9457 (v850_return_addr): Use ra_rtx field in machine structure.
9458 (v850_init_expanders): Use new functions.
9460 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9461 * config/v850/v850.c: Change arguments to v850_output+* functions
9462 to take a const char *, to avoid compile time warning.
9463 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9464 (USER_LABEL_PREFIX): Redefine.
9466 2000-01-08 Jim Wilson <wilson@redhat.com>
9468 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9469 1 to unsigned HOST_WIDE_INT before left shift.
9471 2001-01-08 Nick Clifton <nickc@redhat.com>
9473 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9474 the machine structure has been allocated.
9475 (arm_free_machine_status): New function: Free the machine
9476 specific function structure.
9478 2001-01-08 Richard Henderson <rth@redhat.com>
9480 * jump.c (simplejump_p): Revert last change.
9482 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9484 * cppinit.c (init): Rename init_library.
9485 (cpp_create_reader): Update.
9486 * gcc.c (cpp_options): If -o given, use it as the target of
9489 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9491 * arm.c (arm_arch5e): New variable.
9492 (all_cores): XScale is a 5TE device.
9493 (arm_override_options): Set arm_arch5e.
9494 (arm_init_builtins): __builtin_prefetch is in arch5e.
9495 * arm.h (arm_arch5e): Declare it.
9497 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9499 * arm.md (define_constants): Add defines for UNSPEC and
9500 UNSPEC_VOLATILE insns. Update all users.
9501 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9502 * arm.c (multi_register_push, note_invalid_constants)
9503 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9504 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9505 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9507 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9509 * jump.c (jump_optimize_1): Use reversed_comparison_code
9510 instead of can_reverse_comparison_p.
9511 (jump_back_p): Likewise.
9512 (invert_exp_1): Likewise.
9513 (thread_jumps): Likewise.
9514 * simplify-rtx.c (simplify_unary_operation): Likewise.
9515 (simplify_ternary_operation): Likewise.
9516 * cse.c (find_comparison_args): Convert to use
9517 can_reverse_comparison_p.
9518 (record_jump_equiv): Likewise.
9520 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9522 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9523 (EPILOGUE_USES): Define.
9524 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9525 automatically stack the LR if it isn't live.
9527 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9529 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9532 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9534 * ggc-page.c (max_alignment): New structure.
9535 (MAX_ALIGNMENT): New macro.
9536 (init_ggc): Use it to round up the sizes in the
9537 extra_order_size_table.
9539 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9541 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9544 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9546 * builtins.def (BUILT_IN_FPRINTF): New entry.
9548 * c-common.c (c_expand_builtin_fprintf): New function.
9549 (init_function_format_info): Handle __builtin_fprintf.
9550 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9551 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9553 * c-decl.c (duplicate_decls): Adjust comment.
9555 * extend.texi (fprintf): Document new builtin.
9557 2001-01-07 Richard Henderson <rth@redhat.com>
9559 * jump.c (simplejump_p): Recognize any single_set jump
9562 2001-01-07 Richard Henderson <rth@redhat.com>
9564 * configure.in (slibdir): Accept an --with-slibdir option.
9565 Use "test" not "[" in configure. Default to $(libdir).
9567 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9569 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9570 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9571 (SHLIB_LINK): Create links for the soname.
9572 * config/mips/t-iris6: Likewise.
9573 * config/sparc/t-slibgcc: Likewise.
9574 * config/sparc/t-slibgcc-sld: Likewise.
9576 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9578 * config/i386/i386.c (constant_call_address_operand): Accept
9579 (const (plus (symbol_ref) (const_int))).
9580 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9581 constant_call_address_operand.
9583 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9585 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9586 and LONG_LONG_TYPE_SIZE > 32.
9588 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9590 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9591 the previous change.
9593 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9595 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9597 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9598 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9599 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9602 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9604 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9606 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9608 * c-lang.c (c_post_options): Call cpp_post_options.
9609 * objc/objc-act.c (objc_post_options): Similarly.
9610 * cppmain.c (main): Similarly.
9611 * fix-header.c (read_scan_file): Similarly.
9612 * cppinit.c (cpp_start_read): Move option consistency checks
9613 to cpp_post_options. Don't call init_dependency_output.
9614 If needed, add default target and main file dependency.
9615 (OPT_MD, OPT_MMD): Remove.
9617 (cpp_handle_option): Update for OPT_* changes.
9618 (cpp_post_options): New.
9619 (init_dependency_output): Command line -MF overrides environment
9620 variables. Don't set default target etc. Suppress output
9621 if dependencies are going to stdout.
9622 (print_help): Update.
9623 * cpplib.h (cpp_post_options): New.
9624 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9626 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9628 * jump.c (comparison_dominates_p): Support unordered compares.
9630 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9632 * simplify-rtx.c (simplify_relational_operation): Always simplify
9633 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9636 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9638 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9639 (nonzero_bits): Likewise.
9640 (simplify_comparison): Likewise.
9641 (num_sign_bit_copies): Likewise; return more sane value depending
9642 on STORE_FLAG_VALUE.
9643 (known_cond): Do not assume EQ to be always true for equivalent
9646 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9648 * cse.c (fold_rtx): Handle unordered comparisons.
9650 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9652 * rtlanal.c (set_of_1): New static function.
9653 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9654 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9655 reg_set_last_last_regno): Remove.
9656 (set_of): New global function.
9657 (set_of_data): New structure.
9658 (reg_set_p, reg_set_last): Revamp for set_of.
9659 * rtl.h (set_of): New.
9661 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9663 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9664 * extend.texi: Document _Exit builtin.
9666 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9668 * (initialize, initialize_builtins,
9669 initialize_dependency_output, initialize_standard_includes):
9670 Rename s/initialize/init. Update.
9671 (init_dependency_output): Move to after
9672 cpp_handle_options, the correct location temporally at least.
9673 (opt_comp): Move next to init (), its caller. Fix prototype.
9674 (init): Make "initialized" local scope.
9675 (cpp_create_reader): Always call init ().
9676 (cpp_start_read): Update.
9677 (output_deps): New function, broken out of cpp_finish.
9678 (cpp_finish): Break out output_deps.
9680 2001-01-07 Richard Henderson <rth@redhat.com>
9682 * collect2.c (COFF specific stuff): Revert 12-06 patch
9683 to prototype system functions.
9685 2001-01-07 Michael Hayes <mhayes@redhat.com>
9687 * hard-reg-set.h: Add multiple include guard.
9688 * basic-block.h (struct loop): Add `sink' field.
9689 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9690 (emit_iv_add_mult): Delete.
9691 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9692 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9693 (unroll_loop): Remove end_insert_before argument.
9694 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9695 (maybe_eliminate_biv_1): Likewise.
9696 (emit_iv_add_mult): Delete.
9697 (gen_add_mult, loop_regs_update): New.
9698 (loop_insn_emit_after, loop_insn_emit_before): New.
9699 (loop_insn_sink, loop_insn_sink_or_swim): New.
9700 (emit_iv_add_mult): Delete.
9701 (scan_loop): Set loop->sink.
9702 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9703 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9704 (maybe_eliminate_biv_1): Likewise.
9705 (maybe_eliminate_biv_1): Add basic block argument.
9706 * unroll.c (unroll_loop): Remove end_insert_before argument.
9707 (find_splittable_regs): Likewise.
9708 (find_splittable_regs): Use loop_insn_sink and its ilk.
9709 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9711 2001-01-07 Michael Hayes <mhayes@redhat.com>
9713 * loop.h (loop_insn_hoist): New prototype.
9714 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9715 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9716 (check_dbra_loop, load_mems): Likewise.
9717 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9718 (find_splittable_givs): Likewise.
9720 2001-01-07 Michael Hayes <mhayes@redhat.com>
9722 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9724 2001-01-07 Richard Henderson <rth@redhat.com>
9726 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9728 2001-01-07 Richard Henderson <rth@redhat.com>
9730 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9731 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9732 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9733 variant that handles a shared libgcc.
9734 (process_command): Always validate -{static,shared}-libgcc.
9735 (do_spec_1): New 'M' case.
9736 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9738 2001-01-07 Richard Henderson <rth@redhat.com>
9740 * Makefile.in (slibdir): New variable.
9741 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9742 (installdirs): Create slibdir.
9743 (install-libgcc, install-multilib): Defer to libgcc.mk.
9744 * configure.in (slibdir): Substitute.
9745 * mklibgcc.in (install): New target.
9747 * config/t-linux (SHLIB_LINK): Create links for the soname.
9748 (SHLIB_INSTALL): New.
9749 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9750 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9751 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9752 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9753 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9755 2001-01-07 Richard Henderson <rth@redhat.com>
9757 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9758 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9759 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9761 2001-01-07 Michael Hayes <mhayes@redhat.com>
9763 * loop.c (count_loop_regs_set): Delete.
9764 (load_mems_and_recount_loop_regs_set): Delete.
9765 (loop_regs_scan): Merge common code from count_loop_regs_set,
9766 scan_loop, and load_mems_and_recount_loop_regs_set.
9767 (scan_loop): Call load_mems directly and loop_regs_scan
9768 again if new registers created.
9770 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9772 * toplev.c (main): Call the front-end specific post_options
9773 hook if one is given.
9774 * toplev.h (struct_lang_hooks, lang_hooks): New.
9775 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9776 for the C front end.
9777 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9778 lang_hooks for the C++ front end.
9779 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9780 lang_hooks for the ObjC front end.
9781 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9782 * java/lang.c (lang_hooks): Hooks for the Java front end.
9784 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9786 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9787 for verbose DWARF[2] debugging.
9788 (cb_define, cb_undef): The new callbacks.
9789 * toplev.h (debug_define, debug_undef): Make const correct.
9790 * toplev.c (debug_define, debug_undef): Similarly. Do not
9791 perform the verbosity tests here anymore.
9793 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9795 * reload.c (subst_reloads): Take INSN argument. When
9796 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9797 * reload.h (subst_reloads): Adjust prototype.
9798 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9799 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9800 present in JUMP_INSNs and copy them to JUMP_LABEL.
9801 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9802 JUMP_INSNs and insns with REG_LABELs that are followed by
9803 JUMP_INSNs with the same REG_LABEL.
9804 * sched-rgn.c (is_cfg_nonregular): Likewise.
9805 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9807 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9809 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9811 2001-01-06 Richard Henderson <rth@redhat.com>
9813 * loop.c (scan_loop): Use xcalloc for the regs array.
9814 (load_mems_and_recount_loop_regs_set): Zero the new memory
9815 received from xrealloc.
9817 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9819 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9821 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9823 * integrate.c (copy_rtx_and_substitute): When copying
9824 an ignored return value, strip REG_FUNCTION_VALUE_P.
9826 2001-01-06 Michael Hayes <mhayes@redhat.com>
9828 * loop.c (debug_biv, debug_giv): New.
9829 (loop_biv_dump): Break out from ...
9830 (record_biv): ... here.
9831 (loop_giv_dump): Break out from ...
9832 (record_giv): ... here.
9833 (loop_bivs_check): Use print_simple_rtl.
9834 * unroll.c (loop_iterations): Use print_simple_rtl.
9836 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9838 * pa.md (return, return_internal): Modify patterns to prevent regrename
9839 mucking with the return pointer.
9841 2001-01-05 Richard Henderson <rth@redhat.com>
9843 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9845 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9847 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9848 version supplied by Matteo Frigo.
9850 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9852 * cpp.texi: Update for -MQ.
9853 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9854 (cpp_cleanup): Always free pfile->deps.
9855 (initialize_dependency_output): Don't create pfile->deps.
9856 (cpp_handle_option): Similarly.
9858 * gcc.c (cpp_options): Handle -MQ.
9859 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9860 * mkdeps.c (base_name): Remove.
9861 (deps_init): Don't allocate vector space until it's needed.
9862 (deps_free): Only free vectors if allocated.
9863 (deps_add_target, deps_add_dep): Update for initial allocation.
9864 (deps_add_default_target): Don't strip to the base_name.
9866 2001-01-05 DJ Delorie <dj@redhat.com>
9868 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9869 (INIT_EXPANDERS): Define.
9871 * config/v850/v850.c (struct machine_function): Define.
9872 (v850_save_machine_status): New function.
9873 (v850_restore_machine_status): New function.
9874 (v850_return_addr): New function.
9875 (v850_init_expanders): New function.
9877 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9878 and v850_init_expanders.
9880 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9882 * cpplib.h (struct cpp_reader): Add help_only field.
9883 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9884 (cpp_handle_option): Set pfile->help_only if we see -h,
9885 --help, -target-help, or --version. Print version string but
9886 do not set help_only if we see -v or -version. Make text
9887 printed by -v match that printed by (-)-version.
9889 * cppmain.c (main): Exit after option parsing if
9890 pfile->help_only is true.
9892 * toplev.c (independent_decode_option): Call print_version,
9893 then exit, if we see --version (but not -version).
9894 (print_version): Split lengthy message into two lines.
9896 2001-01-05 Nick Clifton <nickc@redhat.com>
9898 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9899 temporary string for initialisation before calling ggc_alloc_string.
9901 2001-01-06 Michael Hayes <mhayes@redhat.com>
9903 * rtl.h (print_simple_rtl): New.
9904 * print-rtl.c (print_simple_rtl): New.
9906 (print_rtx): Disable printing of flags and modes, etc.,
9907 if `flag_simple` nonzero.
9909 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9911 * function.c (fixup_var_refs): Use push_to_full_sequence where
9914 2001-01-05 Michael Meissner <meissner@redhat.com>
9916 * flags.h (flag_reorder_blocks): Add declaration.
9917 (flag_rename_block): Ditto.
9919 2001-01-05 DJ Delorie <dj@redhat.com>
9921 * function.c (reorder_blocks): Make sure the flags are all reset
9922 before using them to mark blocks, else a second invocation will
9923 corrupt the block chain.
9924 (reorder_blocks_0): New, resets the flags.
9926 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9928 * cse.c (find_comparison_args): Stop if the argument is known to
9931 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9933 * config/sh/sh.md (movdf): When splitting load into pair of
9934 registers, don't clobber the register used in the address too
9937 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9939 * varasm.c (mark_constant_pool): Improve initial comments.
9940 (mark_constants): Move marking of constants to mark_constant.
9941 (mark_constant): New function to recursively mark all constants
9942 referred to by a constant.
9944 2001-01-05 Catherine Moore <clm@redhat.com>
9946 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9948 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9950 * cp/lang-options.h: Bring comment in line with reality.
9951 * f/lang-options.h: Likewise.
9952 * java/lang-options.h: Likewise.
9953 * objc/lang-options.h: Likewise.
9954 * ch/lang-options.h: Likewise.
9955 * f/g77.texi: And update the manual.
9957 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9958 Denis Chertykov <denisc@overta.ru>
9960 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9961 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9962 * config/avr/avr.md (all peepholes that request a scratch register):
9963 Call it, FAIL the peephole if not safe (in interrupt functions).
9965 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9967 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9969 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9971 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9973 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9974 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9975 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9976 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9977 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9979 * extend.texi: Document these builtins.
9981 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9983 * c-common.c (lang_get_alias_set): Say we know nothing of
9984 VECTOR_TYPE aliasing.
9986 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9988 2001-01-05 Bruce Korb <bkorb@gnu.org>
9990 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9991 their x* equivalent versions for atexit-less systems
9992 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9993 systems (or any other system any more).
9995 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9997 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9998 output operands. Use arm_hard_register_operand for operand 4.
9999 (stmsi_postinc): Similarly.
10000 (ldmsi): Use arm_hard_register_operand for opernand 2.
10001 (stmsi): Similarly.
10002 * arm.c (arm_hard_register_operand): New function.
10003 * arm-protos.h (arm_hard_register_operand): Prototype it.
10005 * arm.h (HARD_REGNO_RENAME_OK): Define.
10007 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10009 * simplify-rtx.c (cfc_args): add "unordered" field.
10010 (check_fold_consts): Set unordered field.
10011 (simplify_relational_operation): Simplify the unordered
10014 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10017 * emit-rtl.c (try_split): Fix code to mark labels.
10018 * jump.c (mark_jump_label): Make global.
10019 * rtl.h (mark_jump_label): Declare.
10021 * predict.c (estimate_probability): Handle unordred comparisons.
10023 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10025 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10026 * cppinit.c (initialize_dependency_output): Update.
10027 (cpp_finish): Output dummy targets for -MP.
10029 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10030 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10031 * gcc.c (cpp_options): Update to handle -MP.
10032 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10033 to quote only the default target.
10034 (deps_phony_targets): Insert a preceding newline. Rename from
10035 deps_dummy_targets for consistency.
10038 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10040 * calls.c (emit_library_call_value_1): Support
10041 INIT_CUMULATIVE_LIBCALL_ARGS.
10042 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10044 2001-01-04 Richard Henderson <rth@redhat.com>
10046 * c-decl.c (finish_struct): Detect flexible array members
10047 used in an inappropriate context.
10048 * c-typeck.c (really_start_incremental_init): Special case
10049 constructor_max_index for zero length arrays.
10050 (pop_init_level): Allow initialization of flexible array
10051 members. Deprecate initialization of zero length arrays.
10052 Don't issue missing initializer warning for flexible array
10053 members or zero length arrays.
10054 (process_init_element): Don't dereference null DECL_SIZE.
10055 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10056 Don't abort for empty constructors. Use size_binop
10057 (output_constructor): Add commentary regarding zero length
10058 array futures. Abort if we try to initialize an array of
10059 unspecified length with a non-empty constructor in the middle
10062 * extend.texi (Zero Length): Update and clarify documentation
10063 on static initialization.
10065 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10067 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10068 with more than 32767 words of local storage.
10070 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10072 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10073 for 'abs', 'labs', and 'fabs'.
10074 (c4x_expand_builtin): Likewise.
10075 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10077 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10079 * config/sh/sh.md (prget, prset): New insn types.
10080 (return delay slot): Dont' allow prset.
10081 (call, sfunc delay slot): Don't allow prget.
10082 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10083 for prset and prget.
10085 2001-01-05 Michael Hayes <mhayes@redhat.com>
10087 * loop.h (struct loop_reg): New.
10088 (struct loop_regs): Change to use array of `struct loop_reg'.
10089 * loop.c: Replace assortment of varrays with single regs array.
10090 (count_one_set): Delete may_not_move array argument
10091 and use regs array instead. All caller's changed.
10092 (count_loop_regs_set): Delete may_not_move and single_usage
10093 arguments and use regs array instead. All caller's changed.
10094 (find_single_use_in_loop): Replace usage array argument with pointer
10095 to regs structure. All caller's changed.
10096 (loop_optimize): Delete `moved_once' array.
10098 2001-01-05 Michael Hayes <mhayes@redhat.com>
10100 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10101 Use it instead of loop_info->has_call for scanning loop mems.
10102 (check_dbra_loop): Replace loop_info->has_call test with
10103 loop_info->has_nonconst_call.
10105 2000-01-04 Matthew Hiller <hiller@redhat.com>
10107 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10110 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10112 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10113 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10115 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10117 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10118 (flag_short_double, flag_short_wchar): Define.
10119 (c_common_nodes_and_builtins): Create many tree nodes shared
10120 between C and C++ here instead of in cp/decl.c and ...
10121 * c-decl.c (init_decl_processing): ... here.
10122 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10123 (flag_short_double, flag_short_wchar): Don't define.
10124 (record_builtin_type): New function.
10125 (build_void_list_node): New function.
10126 * c-common.h (flag_short_double, flag_short_wchar,
10127 record_builtin_type, build_void_list_node): Declare.
10129 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10131 * integrate.c (expand_inline_function): Don't put a virtual
10132 register into the reg map.
10134 * function.c (fixup_var_refs_1): If force_operand didn't put
10135 the address into the target, move it there.
10137 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10139 Special-case tree_decl/tree_list allocations.
10140 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10141 (OBJECT_SIZE): New macro.
10142 (NUM_EXTRA_ORDER): Likewise.
10143 (extra_order_size_table): New variable.
10144 (NUM_ORDERS): New macro.
10145 (objects_per_page_table): New variable.
10146 (object_size_table): New variable.
10147 (G.pages): Use NUM_ORDERS to bound the array.
10148 (G.page_tails): Likewise.
10149 (DIV_ROUND_UP): Remove.
10150 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10151 (alloc_page): Use OBJECT_SIZE.
10152 (size_lookup): Don't make it const.
10153 (ggc_alloc): Use OBJECT_SIZE.
10154 (ggc_set_mark): Likewise.
10155 (ggc_get_size): Likewise.
10156 (init_ggc): Set up the object_size_table, objects_per_page_table,
10157 and adjust size_lookup.
10158 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10159 (ggc_pop_context): Use NUM_ORDERS.
10160 (clear_marks): Likewise.
10161 (sweep_pages): Likewise.
10162 (poison_pages): Likewise.
10163 (ggc_print_statistics): Use OBJECT_SIZE.
10165 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10167 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10168 Only call array_size_for_constructor if last field and array type
10169 with no upper bound.
10171 2001-01-04 Philip Blundell <philb@gnu.org>
10173 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10174 from bit 31 downwards, if this requires no more insns.
10175 (count_insns_for_constant): New helper function for above.
10177 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10179 * gencodes.c (output_predicate_decls): Remove empty initializer.
10181 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10183 * tree.c (copy_node): Remove documentation about obstacks.
10184 (buidl1): Check that nobody tries to build 2-argument nodes this
10187 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10189 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10192 * gencodes.c (output_predicate_decls): Fill empty initializer
10195 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10197 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10198 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10200 (do_include): Handle missing headers like cpp0.
10201 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10202 paths with first include pathname. Don't strcat to uninitialized
10205 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10207 * regrename.c (regrename_optimize): Don't rename from frame pointer
10208 if frame_pointer_needed.
10209 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10210 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10211 (ia64_reorg): Use it instead of scheduling if ! optimize.
10212 (errata_emit_nops): Properly call asm_noperands.
10213 (ia64_sched_reorder): Finish cycle if we see an asm.
10214 (ia64_variable_issue): Clear scheduling state after asms.
10216 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10218 * cpp.texi: Update for -MT.
10219 * cppinit.c (initialize_dependency_output): Add a default
10220 target if none has been given already.
10221 (no_tgt, OPT_MT): New.
10222 (cpp_handle_option): Handle -MT. Update -M etc.
10223 * cpplib.h (struct cpp_options): Remove deps_target.
10224 * gcc.c (cpp_options): Handle -MT.
10225 * mkdeps.c (struct deps): Move from mkdeps.h.
10226 (deps_calc_target): Rename deps_add_default_target. Add a
10227 default target if none has been specified already.
10228 * mkdeps.h (struct deps): Move to mkdeps.c.
10229 (deps_calc_target): Rename deps_add_default_target.
10231 2000-01-03 Richard Henderson <rth@redhat.com>
10233 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10235 * c-typeck.c (push_init_level): Move checks for flexible array
10236 members and zero length arrays ...
10237 (pop_init_level): ... here. Silently discard empty initializations.
10239 * varasm.c (output_constructor): Update for sizeof change to
10240 zero-length arrays.
10242 * extend.texi (Zero Length): Clarify semantics.
10244 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10246 * configure.in (tm.h): Include isns-codes.h last.
10247 * configure: Rebuilt.
10249 2001-01-03 Richard Henderson <rth@redhat.com>
10251 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10252 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10254 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10256 * tradcpp.c (main): Make sure finclude() is called with a valid
10257 indepth value while handling -include.
10259 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10261 * gencodes.c (output_predicate_decls): New function.
10263 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10264 even if it is not the first time machmode.h is #included.
10265 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10266 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10267 * gcc.texi (Copyright): Added 2001.
10269 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10271 * c-common.c (c_common_lang_init): New function. Warn if format
10272 warning options which only have effects when used with -Wformat
10273 are used without -Wformat.
10274 * c-common.h (c_common_lang_init): Declare.
10275 * c-lang.c (lang_init): Call c_common_lang_init.
10276 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10278 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10280 * configure.in: Check for the mktemp command.
10281 * configure: Regenerate.
10282 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10283 $TEMP. Create temporary files with mktemp, if available at
10284 configure time; otherwise use set -C. Remove temporary files
10287 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10289 * configure.in: Require at least texinfo 4.0. Check for whether
10290 Pod::Man is sufficiently recent to regenerate GCC manpages.
10291 * configure: Regenerate.
10292 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10294 (GENERATED_MANPAGES): Define.
10295 (generated-manpages): New target. Depend on cpp.1 as well as
10297 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10298 configure to generated-manpages or empty) rather than on the
10299 manpages directly. Remove execute permission from installed
10300 gcov.1 as well as cpp.1.
10301 * cpp.1, gcov.1: Regenerate.
10303 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10305 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10306 tree_low_cst. Allow using cmpstrsi in more cases.
10308 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10310 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10313 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10315 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10316 * Makefile.in (HOST_CFLAGS): Mention build-make.
10318 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10320 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10323 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10325 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10328 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10331 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10332 reg_base_value and reg_known_value arrays.
10333 (init_alias_analysis): Add more cases to detect known values.
10334 * sched-deps.c (deps_may_trap_p): New function.
10335 (sched_analyze_2): Use it.
10337 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10339 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10340 don't discard an ASHIFTRT if we're shifting in a wider mode.
10342 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10344 * toplev.c (rest_of_compilation): Don't print basic block information
10345 when CFG isn't up to date.
10347 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10349 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10350 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10351 (UNALIGNED_SHORT_ASM_OP): Define.
10352 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10354 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10356 * fold-const.c (fold_convert): Fix typo.
10358 2001-01-02 Richard Henderson <rth@redhat.com>
10360 * c-common.h (ASM_INPUT_P): New.
10361 * c-parse.in (asm): Set it when needed.
10362 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10363 existance of an operand.
10365 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10367 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10368 (dwarf2out_frame_debug_expr): Likewise.
10369 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10371 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10373 * i386.c (ix86_split_to_parts): Return number of part required;
10375 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10377 (ix86_split_long_move): Use number of part returned
10378 by ix86_split_to_parts
10379 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10381 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10382 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10383 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10384 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10385 (ALIGN_MODE_128): Add TFmode.
10386 (IS_STACK_MODE): Likewise.
10387 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10388 (HARD_REGNO_OK): Support TFmodes.
10389 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10390 * i386.md (scheduler definitions): Use memory operand to determine
10391 fst/fld instructions; use mode attribute to determine real mode of
10393 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10394 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10396 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10398 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10400 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10402 * expr.c (store_constructor_field): Update ALIGN before calling
10405 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10407 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10410 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10412 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10415 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10417 * c-decl.c (start_function): Don't warn on third parameter to main.
10419 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10421 * tsystem.h: Define HAVE_DECL_GETOPT.
10423 2001-01-02 Philip Blundell <pb@futuretv.com>
10425 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10428 2001-01-02 Richard Henderson <rth@redhat.com>
10430 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10432 2001-01-02 Andreas Jaeger <aj@suse.de>
10434 * c-decl.c (c_decode_option): Remove support of
10435 -Wmissing-noreturn.
10437 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10438 (W_options): Add -Wmissing-noreturn here.
10440 * flow.c: Define lang_missing_noreturn_ok_p.
10441 (check_function_return_warnings): Use it.
10443 * c-common.h: Declare lang_missing_noreturn_ok_p.
10445 * c-lang.c (c_missing_noreturn_ok_p): New function.
10446 (lang_init): Set lang_missing_noreturn_ok_p.
10448 * invoke.texi (Warning Options): Document this.
10450 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10452 * extend.texi (C++ Extensions): New node for C++ attributes;
10453 describe init_priority and com_interface.
10454 * invoke.texi: Remove -finit-priority as it now has zero effect.
10455 * install.texi: Fix xref syntax.
10456 * md.texi: Likewise.
10458 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10460 * config.gcc (sparc64-wrs-vxworks*): New case.
10461 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10463 * config/sparc/sparc.c (sparc_override_options): Do support different
10464 pointer and architecture size.
10465 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10466 (POINTERS_EXTEND_UNSIGNED): Define.
10467 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10468 (FUNCTION_MODE): Define to be Pmode.
10469 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10471 * function.c (expand_function_end): Properly handle DECL_RESULT
10472 and copy when ptr_mode != Pmode.
10473 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10475 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10477 * c-common.c (c_common_nodes_and_builtins): Set prototype
10478 parameters for __builtin_fputs, __builtin_fputc and
10479 __builtin_fwrite. Don't declare plain fputc as a builtin.
10481 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10483 * loop.c (add_label_notes): Increment the label usage count when
10484 a note is added to an insn which refers to a CODE_LABEL.
10485 * gcse.c (add_label_notes): Likewise.
10487 2001-01-01 Andreas Jaeger <aj@suse.de>
10489 * loop.c (scan_loop): Use xmalloc to allocate movables.
10491 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10493 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10494 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10495 * reload1.c (REGISTER_MOVE_COST): Likewise.
10496 * regclass.c (REGISTER_MOVE_COST): Likewise.
10497 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10498 dimension. Adjust all users.
10499 (init_reg_sets_1): Iterate on all modes.
10500 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10501 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10502 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10503 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10504 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10505 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10506 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10507 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10508 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10509 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10510 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10511 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10512 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10513 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10514 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10515 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10516 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10517 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10518 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10519 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10520 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10521 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10522 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10523 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10524 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10525 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10526 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10528 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10530 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10531 arg VARIES_P. Call it with extra arg.
10532 (true_dependence): Likewise.
10533 * rtl.h (rtx_addr_can_trap_p): Declare.
10534 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10536 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10537 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10538 pic offset table register if it's zero. All callers changed.
10539 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10541 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10543 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10544 STRING_POOL_ADDRESS_P.
10546 * config/sparc/sparc.c (input_operand): Properly test for short op.
10548 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10549 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10550 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10551 * config/sparc/elf.h: No longer include sol2.h.
10552 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10553 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10555 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10557 2001-01-01 Michael Hayes <mhayes@redhat.com>
10559 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10560 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10561 (record_initial): Likewise.
10562 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10563 (remap_split_bivs): Likewise.
10565 2001-01-01 Michael Hayes <mhayes@redhat.com>
10567 * loop.c (loop_ivs_free): New function.
10568 (strength_reduce): Break out from...
10570 2001-01-01 Michael Hayes <mhayes@redhat.com>
10572 * loop.h (struct iv): New.
10573 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10574 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10575 'reg_biv_class' fields with 'regs' and 'n_regs'.
10576 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10577 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10578 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10580 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10582 * resource.c (mark_referenced_resources): Abort() before
10583 attempting to mark a pseudo register.
10584 (mark_set_resources): Likewise.
10586 2001-01-01 Michael Hayes <mhayes@redhat.com>
10588 * loop.h (REG_IV_CLASS): New accessor macro.
10589 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10590 * unroll.c (REG_IV_CLASS): Likewise.
10592 See ChangeLog.4 for earlier changes.